Leave the default (temperate) variants out of the pairing data

Pig, cow, chicken, frog and zombie nautilus define DATA_VARIANT_ID as
their registry's TEMPERATE, so vanilla's getNonDefaultValues leaves it
out of the add packet; server_entities caught the extra entry.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
(cherry picked from commit 604025a53b)

AGENTS.md

@@ -11,7 +11,7 @@ Feature → files → harness for the most-changed areas: [docs/architecture.md]
 - **Keep your runs away from real player data.** Any game or launcher you start gets fresh `mktemp -d`
   folders in `HORIZON_HOME` (the game's data), `HORIZON_LAUNCHER_HOME`, `XDG_DATA_HOME` and
   `XDG_CONFIG_HOME`, plus `HORIZON_LAUNCHER_NO_SELF_UPDATE=1` and `HORIZON_NO_AUDIO=1`, and, for the
-  launcher, `HORIZON_LAUNCHER_TRASH` and `HORIZON_LAUNCHER_CLIPBOARD` pointing into the scratch home. Never write to
+  launcher, `HORIZON_LAUNCHER_TRASH`, `HORIZON_LAUNCHER_CLIPBOARD` and `HORIZON_LAUNCHER_DESKTOP` pointing into the scratch home. Never write to
   `~/.local/share/{applications,horizon,horizon-launcher}` or `~/.local/bin`.
 - **Mark what an agent posts.** A PR body starts with a line naming whose agent opened it and with what.
   Ludovic's agents write `> 🤖 Opened by Ludovic's AI agent (Claude), not by Ludovic himself.`, and a

Cargo.lock

@@ -1398,6 +1398,7 @@ dependencies = [
  "sha1",
  "sha2",
  "symphonia",
+ "unicode-bidi",
  "ureq",
  "wgpu",
  "winit",
@@ -3767,6 +3768,12 @@ version = "1.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6f5e870be6c3b371b77fe0ee0bafb859fa4964b4404c27de1d380043c4dda20"
 
+[[package]]
+name = "unicode-bidi"
+version = "0.3.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c1cb5db39152898a79168971543b1cb5020dff7fe43c8dc468b0885f5e29df5"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.26"

crates/horizon-client-core/src/component.rs

@@ -174,19 +174,31 @@ fn object_style(o: &serde_json::Map<String, Value>) -> Style {
         let text = |k: &str| e.get(k).and_then(Value::as_str).map(str::to_owned);
         style.click = match e.get("action").and_then(Value::as_str) {
             Some("suggest_command") => text("command").map(crate::text::ClickEvent::SuggestCommand),
+            Some("run_command") => text("command").map(crate::text::ClickEvent::RunCommand),
             Some("copy_to_clipboard") => {
                 text("value").map(crate::text::ClickEvent::CopyToClipboard)
             }
             _ => None,
         };
     }
-    // HoverEvent.ShowText.
-    if let Some(e) = o.get("hover_event").and_then(Value::as_object)
-        && e.get("action").and_then(Value::as_str) == Some("show_text")
-        && let Some(value) = e.get("value")
-    {
-        style.hover = Some(Box::new(to_text(value, &mut |s| Text::literal(s))));
+    // HoverEvent.ShowText and ShowItem.
+    if let Some(e) = o.get("hover_event").and_then(Value::as_object) {
+        match e.get("action").and_then(Value::as_str) {
+            Some("show_text") => {
+                if let Some(value) = e.get("value") {
+                    style.hover = Some(Box::new(to_text(value, &mut |s| Text::literal(s))));
+                }
+            }
+            Some("show_item") if e.get("id").is_some_and(Value::is_string) => {
+                style.hover_item = Some(Box::new(Value::Object(e.clone())));
+            }
+            _ => {}
+        }
     }
+    style.insertion = o
+        .get("insertion")
+        .and_then(Value::as_str)
+        .map(str::to_owned);
     style
 }
 /// `ComponentSerialization.CODEC` decoding into text. `selector` components

crates/horizon-client-core/src/lang.rs

@@ -4,7 +4,10 @@
 //! language used by every screen.
 use std::{
     collections::{BTreeMap, HashMap},
-    sync::{Arc, RwLock},
+    sync::{
+        Arc, RwLock,
+        atomic::{AtomicBool, Ordering},
+    },
 };
 
 #[derive(Clone, Debug, PartialEq, Eq)]
@@ -23,11 +26,16 @@ impl LanguageInfo {
 #[derive(Default)]
 pub struct Language {
     pub code: String,
+    /// `LanguageInfo.bidirectional`: text without a strong character reads
+    /// right to left (`ClientLanguage.defaultRightToLeft`).
+    bidirectional: bool,
     map: HashMap<String, String>,
 }
 pub const DEFAULT: &str = "en_us";
 
 static CURRENT: RwLock<Option<Arc<Language>>> = RwLock::new(None);
+/// The current language's `bidirectional`, read for every drawn string.
+static BIDIRECTIONAL: AtomicBool = AtomicBool::new(false);
 
 /// A source of resource files: the prepared root plus packs, highest priority last.
 pub trait ResourceSource {
@@ -134,8 +142,12 @@ impl Language {
         {
             apply_deprecated(&mut map, &bytes);
         }
+        let bidirectional = available(sources)
+            .iter()
+            .any(|info| info.code == code && info.bidirectional);
         Self {
             code: code.to_owned(),
+            bidirectional,
             map,
         }
     }
@@ -197,11 +209,16 @@ pub fn available(sources: &[&dyn ResourceSource]) -> Vec<LanguageInfo> {
 }
 
 pub fn set(language: Language) {
+    BIDIRECTIONAL.store(language.bidirectional, Ordering::Relaxed);
     *CURRENT.write().unwrap_or_else(|e| e.into_inner()) = Some(Arc::new(language));
 }
 pub fn current() -> Option<Arc<Language>> {
     CURRENT.read().unwrap_or_else(|e| e.into_inner()).clone()
 }
+/// `ClientLanguage.defaultRightToLeft` of the current language.
+pub fn bidirectional() -> bool {
+    BIDIRECTIONAL.load(Ordering::Relaxed)
+}
 pub fn code() -> String {
     current().map_or_else(|| DEFAULT.to_owned(), |l| l.code.clone())
 }

crates/horizon-client-core/src/scoreboard.rs

@@ -662,10 +662,22 @@ pub fn name_shown(own: Option<&Team>, viewer: Option<&Team>, v: NameView) -> boo
     }
     !v.hud_hidden && !v.is_camera && visible && !v.is_vehicle
 }
-/// `ServerPlayer.die`: whether a player's death message reaches the player
-/// themselves (the team broadcasts leave out the dying player).
-pub fn own_death_message_shown(team: Option<&Team>) -> bool {
-    team.is_none_or(|t| t.death_message_visibility == Visibility::Always)
+/// `ServerPlayer.die`: whether `other` hears the death message of `dying`
+/// (`broadcastSystemMessage`, `broadcastSystemToTeam` or
+/// `broadcastSystemToAllExceptTeam`, by the team's death message visibility).
+pub fn death_message_reaches(board: &Scoreboard, dying: &str, other: &str) -> bool {
+    let Some(team) = board.players_team(dying) else {
+        return true;
+    };
+    let same_team = board
+        .players_team(other)
+        .is_some_and(|t| t.name == team.name);
+    match team.death_message_visibility {
+        Visibility::Always => true,
+        Visibility::Never => false,
+        Visibility::HideForOtherTeams => same_team && other != dying,
+        Visibility::HideForOwnTeam => !same_team,
+    }
 }
 
 // ---- objectives and scores ---------------------------------------------

crates/horizon-client-core/src/text.rs

@@ -43,6 +43,8 @@ pub fn named_color(name: &str) -> Option<u32> {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum ClickEvent {
     SuggestCommand(String),
+    /// `ClickEvent.RunCommand`: the command, with or without its `/`.
+    RunCommand(String),
     CopyToClipboard(String),
     /// A local file to open with the system handler.
     /// Only allow this in locally constructed messages, never server/LAN text.
@@ -61,6 +63,10 @@ pub struct Style {
     pub click: Option<ClickEvent>,
     /// Hover text.
     pub hover: Option<Box<Text>>,
+    /// `HoverEvent.ShowItem`: the event's `{id, count?, components?}` object.
+    pub hover_item: Option<Box<Value>>,
+    /// `Style.insertion`: the text a Shift-click puts in the chat box.
+    pub insertion: Option<String>,
     /// The font (`FontDescription.Resource`), a full id like
     /// `minecraft:alt`; the default font when unset.
     pub font: Option<String>,
@@ -90,6 +96,12 @@ impl Style {
         if self.hover.is_none() {
             self.hover.clone_from(&base.hover);
         }
+        if self.hover_item.is_none() {
+            self.hover_item.clone_from(&base.hover_item);
+        }
+        if self.insertion.is_none() {
+            self.insertion.clone_from(&base.insertion);
+        }
         if self.font.is_none() {
             self.font.clone_from(&base.font);
         }
@@ -495,7 +507,7 @@ impl Text {
 }
 
 /// The style fields of a component's JSON.
-const STYLE_KEYS: [&str; 9] = [
+const STYLE_KEYS: [&str; 10] = [
     "color",
     "bold",
     "italic",
@@ -504,6 +516,7 @@ const STYLE_KEYS: [&str; 9] = [
     "obfuscated",
     "click_event",
     "hover_event",
+    "insertion",
     "font",
 ];
 /// Style.Serializer: the fields a style sets.
@@ -535,6 +548,9 @@ fn style_json(style: &Style) -> Vec<(String, Value)> {
             ClickEvent::CopyToClipboard(value) => {
                 json!({ "action": "copy_to_clipboard", "value": value })
             }
+            ClickEvent::RunCommand(command) => {
+                json!({ "action": "run_command", "command": command })
+            }
             ClickEvent::OpenFile(path) => json!({ "action": "open_file", "path": path }),
         };
         out.push(("click_event".to_owned(), event));
@@ -544,6 +560,13 @@ fn style_json(style: &Style) -> Vec<(String, Value)> {
             "hover_event".to_owned(),
             json!({ "action": "show_text", "value": hover.component() }),
         ));
+    } else if let Some(Value::Object(item)) = style.hover_item.as_deref() {
+        let mut event = item.clone();
+        event.insert("action".into(), "show_item".into());
+        out.push(("hover_event".to_owned(), Value::Object(event)));
+    }
+    if let Some(insertion) = &style.insertion {
+        out.push(("insertion".to_owned(), insertion.clone().into()));
     }
     if let Some(font) = &style.font {
         out.push(("font".to_owned(), font.clone().into()));

crates/horizon-client/Cargo.toml

@@ -62,6 +62,7 @@ gilrs = { version = "0.11", optional = true }
 horizon-dualsense = { path = "../horizon-dualsense", optional = true }
 # HTTPS to the Minecraft services (online-mode session join).
 ureq = { version = "2", default-features = false, features = ["tls"] }
+unicode-bidi = "0.3.18"
 
 [target.'cfg(unix)'.dependencies]
 # The server thread's CPU time per tick (`HORIZON_SPIKES`, spans.rs).

crates/horizon-client/examples/probe/entity_death_loot_fixture.rs

@@ -24,6 +24,7 @@ fn stack(spec: &str) -> LootStack {
         exploration: None,
         ominous_amplifier: None,
         stew_effects: Vec::new(),
+        names: Vec::new(),
     };
     for e in parts {
         let (name, level) = e.rsplit_once(':').unwrap_or((e, "1"));

crates/horizon-client/examples/probe/hud_fixture.rs

@@ -223,6 +223,7 @@ fn decorations(c: &Value, atlas: &HudAtlas) -> Vec<GuiDraw> {
             display_health: int("displayHealth", 0),
             last_health_time: millis - i64::from(int("lastHealthAgo", 0)),
             health_blink_time: i64::from(int("healthBlinkTime", 0)),
+            ..HealthHud::default()
         };
         let kind = if has("minecraft:poison") {
             HeartKind::Poisoned

crates/horizon-client/examples/probe/hud_fixture/kinds.rs

@@ -101,7 +101,7 @@ fn title(c: &Value, w: i32, h: i32, atlas: &HudAtlas) -> Vec<GuiDraw> {
     }
     let partial = float(c, "partial", 0.0);
     let bg = background(c);
-    let mut out = t.overlay_message(w, h, partial, &atlas.font, bg);
+    let mut out = t.overlay_message(w, h, 39, partial, &atlas.font, bg);
     out.extend(t.title(w, h, partial, &atlas.font, bg));
     out
 }
@@ -129,7 +129,7 @@ fn selected(c: &Value, w: i32, h: i32, atlas: &HudAtlas) -> Vec<GuiDraw> {
     }
     let mode = c["gameMode"].as_str().unwrap_or("survival");
     let can_hurt = mode == "survival" || mode == "adventure";
-    highlight.draw(w, h, can_hurt, &atlas.font, background(c))
+    highlight.draw(w, h, 39, can_hurt, &atlas.font, background(c))
 }
 
 fn boss(c: &Value, w: i32, h: i32, atlas: &HudAtlas) -> Vec<GuiDraw> {

crates/horizon-client/examples/probe/marker_particles_probe.rs

@@ -74,6 +74,9 @@ pub fn main() -> Result<()> {
             biomes: &biomes,
             registry: assets.registry,
             raining_at: &|_| false,
+            height_no_leaves: &|_| 0,
+            firefly_bush_sounds: false,
+            sky_darken: 0,
             marker: target.map(|name| (name, &options as &dyn Fn(_) -> _)),
         };
         engine.seed_randoms(1057, 0, 0);

crates/horizon-client/examples/probe/mob_ai_probe.rs

@@ -568,6 +568,10 @@ fn print_heart(
 fn player_damage(e: &MobEvent) -> f32 {
     match e {
         MobEvent::AttackPlayer(amount, _) | MobEvent::DamagePlayer { amount, .. } => *amount,
+        MobEvent::SonicBoom {
+            target: Who::Player,
+            ..
+        } => 10.0,
         _ => 0.0,
     }
 }
@@ -579,6 +583,10 @@ fn player_hurt(player: Option<&PlayerView>, e: &MobEvent) -> bool {
     };
     match e {
         MobEvent::AttackPlayer(amount, _) | MobEvent::DamagePlayer { amount, .. } => *amount > 0.0,
+        MobEvent::SonicBoom {
+            target: Who::Player,
+            ..
+        } => true,
         // ServerExplosion.hurtEntities: within twice the radius every hit does damage.
         MobEvent::Explode(at, radius) => {
             let d = Vec3::new(at[0], at[1], at[2])
@@ -1045,6 +1053,7 @@ pub fn main() -> horizon_client::Result<()> {
                 alive: true,
                 creative: s.creative,
                 sneaking: false,
+                swimming: false,
                 look: [0.0, 0.0, 1.0],
                 main_hand: s.hand.as_deref().map(Into::into),
                 off_hand: None,
@@ -1056,11 +1065,15 @@ pub fn main() -> horizon_client::Result<()> {
                 last_hurt: None,
                 velocity: Vec3::ZERO,
                 yaw: 0.0,
+                sprinting: false,
+                riding: false,
                 hero: false,
                 effects: Vec::new(),
                 uuid: PLAYER_UUID,
                 allies: Default::default(),
                 remote: false,
+                sleeping: false,
+                sleep_timer: 0,
             }
         });
         let mut scratch = LegacyRandom::new(0);
@@ -1070,6 +1083,8 @@ pub fn main() -> horizon_client::Result<()> {
         for (i, m) in mobs.iter().enumerate() {
             print(&mut out, 0, i, m, s.creative, world.game_time);
         }
+        // No player has a chest open in the scenarios.
+        let lid_openers = std::collections::HashMap::new();
         // The MobWorld every step sees, over a snapshot of the mobs.
         macro_rules! mob_world {
             ($snapshot:expr) => {
@@ -1081,6 +1096,7 @@ pub fn main() -> horizon_client::Result<()> {
                     world: &world,
                     registry,
                     facts: &facts,
+                    fluid_tables: &motion.fluids,
                     movement: &motion.blocks,
                     collision: &collision,
                     data: &data,
@@ -1104,6 +1120,7 @@ pub fn main() -> horizon_client::Result<()> {
                     // FlatLevelSource.getSeaLevel.
                     sea_level: -63,
                     items: Some(&items),
+                    lid_openers: &lid_openers,
                 }
             };
         }

crates/horizon-client/src/animate_tick.rs

@@ -36,8 +36,9 @@ enum Animate {
         spawn_particles: bool,
     },
     /// Leaves: optional falling-leaf particle and chance; a tinted leaf takes
-    /// the biome foliage colour unless a fixed colour is given (azalea).
-    Leaves(Option<(T, f32)>, Option<u32>),
+    /// the biome foliage colour unless a fixed colour is given (azalea); and
+    /// whether they have the poplar ambient sound (`AmbientLeavesBlockSoundPlayer`).
+    Leaves(Option<(T, f32)>, Option<u32>, bool),
     NetherPortal,
     EnchantingTable,
     EndRod([i32; 3]),
@@ -48,8 +49,9 @@ enum Animate {
     CandleCake,
     BrewingStand,
     EnderChest,
-    /// FallingBlock with its dust colour.
-    Falling(u32),
+    /// FallingBlock with its dust colour; sand also has the ambient desert sound
+    /// (`SandBlock.animateTick`).
+    Falling(u32, bool),
     /// A beehive or bee nest full of honey (`BeehiveBlock.animateTick`).
     Beehive,
     RedstoneOre,
@@ -73,6 +75,16 @@ enum Animate {
         waterlogged: bool,
     },
     EndPortal,
+    /// `WetSpongeBlock.animateTick`.
+    WetSponge,
+    FireflyBush,
+    /// An open eyeblossom (`Type.OPEN.emitSounds()`).
+    OpenEyeblossom,
+    PaleHangingMoss,
+    /// `DryVegetationBlock`: a dead bush.
+    DeadBush,
+    /// `ShortDryGrassBlock` and `TallDryGrassBlock`.
+    DryGrass,
 }
 fn step(facing: &str) -> [i32; 3] {
     match facing {
@@ -107,17 +119,17 @@ fn classify(name: &str, prop: &dyn Fn(&str) -> Option<String>) -> Animate {
             spawn_particles: false,
         },
         "oak_leaves" | "birch_leaves" | "jungle_leaves" | "acacia_leaves" | "dark_oak_leaves"
-        | "mangrove_leaves" => Animate::Leaves(Some((T::TintedLeaves, 0.01)), None),
-        "cherry_leaves" => Animate::Leaves(Some((T::CherryLeaves, 0.1)), None),
-        "pale_oak_leaves" => Animate::Leaves(Some((T::PaleOakLeaves, 0.02)), None),
-        "red_poplar_leaves" => Animate::Leaves(Some((T::RedPoplarLeaves, 0.01)), None),
-        "orange_poplar_leaves" => Animate::Leaves(Some((T::OrangePoplarLeaves, 0.01)), None),
-        "yellow_poplar_leaves" => Animate::Leaves(Some((T::YellowPoplarLeaves, 0.01)), None),
+        | "mangrove_leaves" => Animate::Leaves(Some((T::TintedLeaves, 0.01)), None, false),
+        "cherry_leaves" => Animate::Leaves(Some((T::CherryLeaves, 0.1)), None, false),
+        "pale_oak_leaves" => Animate::Leaves(Some((T::PaleOakLeaves, 0.02)), None, false),
+        "red_poplar_leaves" => Animate::Leaves(Some((T::RedPoplarLeaves, 0.01)), None, true),
+        "orange_poplar_leaves" => Animate::Leaves(Some((T::OrangePoplarLeaves, 0.01)), None, true),
+        "yellow_poplar_leaves" => Animate::Leaves(Some((T::YellowPoplarLeaves, 0.01)), None, true),
         // The azalea blocks drop tinted leaves of the fixed colour -9399763.
         "azalea_leaves" | "flowering_azalea_leaves" => {
-            Animate::Leaves(Some((T::TintedLeaves, 0.01)), Some(0x0070_922D))
+            Animate::Leaves(Some((T::TintedLeaves, 0.01)), Some(0x0070_922D), false)
         }
-        "spruce_leaves" => Animate::Leaves(None, None),
+        "spruce_leaves" => Animate::Leaves(None, None, false),
         "nether_portal" => Animate::NetherPortal,
         "enchanting_table" => Animate::EnchantingTable,
         "end_rod" => Animate::EndRod(facing()),
@@ -126,16 +138,17 @@ fn classify(name: &str, prop: &dyn Fn(&str) -> Option<String>) -> Animate {
         "mycelium" => Animate::Mycelium,
         "brewing_stand" => Animate::BrewingStand,
         "ender_chest" => Animate::EnderChest,
-        "sand" => Animate::Falling(0xDBD3A0),
-        "red_sand" => Animate::Falling(0xA95821),
-        "gravel" => Animate::Falling(0x807C7B),
+        "sand" => Animate::Falling(0xDBD3A0, true),
+        "red_sand" => Animate::Falling(0xA95821, true),
+        "gravel" => Animate::Falling(0x807C7B, false),
         // AnvilBlock/ConcretePowderBlock.getDustColor is the map colour;
         // DragonEggBlock's is black.
-        "anvil" | "chipped_anvil" | "damaged_anvil" => Animate::Falling(0xA7A7A7),
-        "dragon_egg" => Animate::Falling(0x000000),
-        _ if name.ends_with("_concrete_powder") => Animate::Falling(concrete_powder_color(
-            name.trim_end_matches("_concrete_powder"),
-        )),
+        "anvil" | "chipped_anvil" | "damaged_anvil" => Animate::Falling(0xA7A7A7, false),
+        "dragon_egg" => Animate::Falling(0x000000, false),
+        _ if name.ends_with("_concrete_powder") => Animate::Falling(
+            concrete_powder_color(name.trim_end_matches("_concrete_powder")),
+            false,
+        ),
         "beehive" | "bee_nest" if prop("honey_level").as_deref() == Some("5") => Animate::Beehive,
         "redstone_ore" | "deepslate_redstone_ore" if lit => Animate::RedstoneOre,
         "redstone_wire" => {
@@ -167,6 +180,15 @@ fn classify(name: &str, prop: &dyn Fn(&str) -> Option<String>) -> Animate {
             waterlogged: prop("waterlogged").as_deref() == Some("true"),
         },
         "end_portal" => Animate::EndPortal,
+        "wet_sponge" => Animate::WetSponge,
+        // BrushableBlock has no dust colour of its own, so the dust is the map colour.
+        "suspicious_sand" => Animate::Falling(0xF7E9A3, false),
+        "suspicious_gravel" => Animate::Falling(0x707070, false),
+        "firefly_bush" => Animate::FireflyBush,
+        "open_eyeblossom" => Animate::OpenEyeblossom,
+        "pale_hanging_moss" => Animate::PaleHangingMoss,
+        "dead_bush" => Animate::DeadBush,
+        "short_dry_grass" | "tall_dry_grass" => Animate::DryGrass,
         "sculk_sensor" | "calibrated_sculk_sensor"
             if prop("sculk_sensor_phase").as_deref() == Some("active") =>
         {
@@ -233,6 +255,14 @@ pub struct AnimateTables {
     power_transmitter: Vec<bool>,
     /// `#triggers_ambient_dried_ghast_block_sounds` (soul sand, soul soil).
     dried_ghast_sounds: Vec<bool>,
+    /// `#triggers_ambient_desert_sand_block_sounds` (sand, red sand).
+    desert_sand_sounds: Vec<bool>,
+    /// `#required_for_poplar_leaf_ambience` (overworld natural logs).
+    poplar_leaf_logs: Vec<bool>,
+    /// `#triggers_ambient_desert_dry_vegetation_block_sounds`.
+    desert_dry_vegetation_sounds: Vec<bool>,
+    terracotta: Vec<bool>,
+    pale_oak_logs: Vec<bool>,
     /// `FireBlock.canBurn`: states with ignite odds above zero (none waterlogged).
     burnable: Vec<bool>,
     /// Biome id -> ambient particles and probabilities (`minecraft:visual/ambient_particles`).
@@ -308,6 +338,13 @@ impl AnimateTables {
             power_provider: by_state("minecraft:enchantment_power_provider"),
             power_transmitter: by_state("minecraft:enchantment_power_transmitter"),
             dried_ghast_sounds: by_state("minecraft:triggers_ambient_dried_ghast_block_sounds"),
+            desert_sand_sounds: by_state("minecraft:triggers_ambient_desert_sand_block_sounds"),
+            poplar_leaf_logs: by_state("minecraft:required_for_poplar_leaf_ambience"),
+            desert_dry_vegetation_sounds: by_state(
+                "minecraft:triggers_ambient_desert_dry_vegetation_block_sounds",
+            ),
+            terracotta: by_state("minecraft:terracotta"),
+            pale_oak_logs: by_state("minecraft:pale_oak_logs"),
             burnable,
             ambient,
         })
@@ -333,6 +370,12 @@ pub struct AnimateContext<'a> {
     pub registry: &'a BlockRegistry,
     /// `Level.isRainingAt`.
     pub raining_at: &'a dyn Fn([i32; 3]) -> bool,
+    /// `getHeight(MOTION_BLOCKING_NO_LEAVES, x, z)` at a position's column.
+    pub height_no_leaves: &'a dyn Fn([i32; 3]) -> i32,
+    /// `EnvironmentAttributes.FIREFLY_BUSH_SOUNDS` (overworld day timeline).
+    pub firefly_bush_sounds: bool,
+    /// `Level.getSkyDarken`, for `getMaxLocalRawBrightness`.
+    pub sky_darken: i32,
     /// Creative main-hand marker block and a resolver for each placed state's sprite.
     pub marker: Option<(&'a str, &'a dyn Fn(BlockStateId) -> Option<ParticleOptions>)>,
 }
@@ -383,6 +426,12 @@ impl AnimateContext<'_> {
             ],
         ))
     }
+    /// `Level.getMaxLocalRawBrightness`: the brighter of block light and
+    /// sky light less the sky darkening.
+    fn max_local_raw_brightness(&self, p: [i32; 3]) -> i32 {
+        let light = self.world.light(p[0], p[1], p[2]);
+        i32::from(light & 15).max(i32::from(light >> 4) - self.sky_darken)
+    }
     fn foliage(&self, p: [i32; 3]) -> u32 {
         let biome = self
             .world
@@ -396,6 +445,10 @@ impl AnimateContext<'_> {
 fn add(engine: &mut ParticleEngine, ty: T, p: [f64; 3], v: [f64; 3]) {
     engine.add(&ParticleOptions::simple(ty), p, v);
 }
+/// `Level.addAlwaysVisibleParticle`: still shown under the Minimal option now and then.
+fn add_visible(engine: &mut ParticleEngine, ty: T, p: [f64; 3], v: [f64; 3]) {
+    engine.add_with(&ParticleOptions::simple(ty), p, v, false, true);
+}
 fn sound(engine: &mut ParticleEngine, name: &'static str, p: [f64; 3], volume: f32, pitch: f32) {
     engine.sounds.push((name, p, volume, pitch));
 }
@@ -434,7 +487,7 @@ fn do_animate_tick(
         return;
     }
     let state = ctx.state(pos);
-    block_animate_tick(tables, engine, ctx, state, pos);
+    block_animate_tick(tables, engine, ctx, state, pos, center);
     let facts = ctx.facts.get(state);
     if facts.fluid != Fluid::None {
         fluid_animate_tick(
@@ -590,6 +643,22 @@ fn beehive_drip(
     ];
     add(engine, T::DrippingHoney, p, [0.0; 3]);
 }
+/// `AmbientDesertBlockSoundsPlayer.shouldPlayDesertDryVegetationBlockSounds`:
+/// sand or terracotta two blocks deep.
+fn desert_dry_vegetation_sounds(
+    tables: &AnimateTables,
+    ctx: &AnimateContext,
+    below: [i32; 3],
+) -> bool {
+    let triggers = |p: [i32; 3]| {
+        tables
+            .desert_dry_vegetation_sounds
+            .get(ctx.state(p).0 as usize)
+            .copied()
+            .unwrap_or(false)
+    };
+    triggers(below) && triggers([below[0], below[1] - 1, below[2]])
+}
 /// `WaterFluid.animateTick` / `LavaFluid.animateTick`.
 fn fluid_animate_tick(
     engine: &mut ParticleEngine,
@@ -665,6 +734,7 @@ fn block_animate_tick(
     ctx: &AnimateContext,
     state: BlockStateId,
     pos: [i32; 3],
+    player: [i32; 3],
 ) {
     let (fx, fy, fz) = (f64::from(pos[0]), f64::from(pos[1]), f64::from(pos[2]));
     match tables.kind(state) {
@@ -771,7 +841,7 @@ fn block_animate_tick(
                 }
             }
         }
-        Animate::Leaves(falling, fixed_tint) => {
+        Animate::Leaves(falling, fixed_tint, poplar) => {
             let below = [pos[0], pos[1] - 1, pos[2]];
             // LeavesBlock.makeDrippingWaterParticles.
             if (ctx.raining_at)([pos[0], pos[1] + 1, pos[2]]) && next_int(engine.random(), 15) == 1
@@ -783,6 +853,9 @@ fn block_animate_tick(
                     add(engine, T::DrippingWater, p, [0.0; 3]);
                 }
             }
+            if poplar {
+                leaves_ambient_sound(tables, engine, ctx, state, pos);
+            }
             // FallingParticlesLeavesBlock.makeFallingLeavesParticles.
             if let Some((ty, chance)) = falling
                 && engine.random().next_float() < chance
@@ -955,7 +1028,7 @@ fn block_animate_tick(
                         fy + 1.0 + f64::from(r.next_float()),
                         fz + f64::from(r.next_float()),
                     ];
-                    add(engine, T::SulfurBubbles, p, [0.0; 3]);
+                    add_visible(engine, T::SulfurBubbles, p, [0.0; 3]);
                 }
                 if next_int(engine.random(), 10) == 0 {
                     let name = "minecraft:block.potent_sulfur.noxious_gas";
@@ -963,6 +1036,36 @@ fn block_animate_tick(
                 }
             }
         }
+        Animate::WetSponge => {
+            // Direction.getRandom: DOWN, UP, NORTH, SOUTH, WEST, EAST.
+            const DIRECTIONS: [[i32; 3]; 6] = [
+                [0, -1, 0],
+                [0, 1, 0],
+                [0, 0, -1],
+                [0, 0, 1],
+                [-1, 0, 0],
+                [1, 0, 0],
+            ];
+            let d = DIRECTIONS[next_int(engine.random(), 6) as usize];
+            // The sponge occludes, so only a sturdy neighbour face hides the drip.
+            if d != [0, 1, 0] && !ctx.sturdy([pos[0] + d[0], pos[1] + d[1], pos[2] + d[2]]) {
+                let r = engine.random();
+                let p = match d {
+                    [0, -1, 0] => [fx + r.next_double(), fy - 0.05, fz + r.next_double()],
+                    [dx, _, 0] => {
+                        let y = fy + r.next_double() * 0.8;
+                        let z = fz + r.next_double();
+                        [fx + if dx > 0 { 1.1 } else { 0.05 }, y, z]
+                    }
+                    [_, _, dz] => {
+                        let y = fy + r.next_double() * 0.8;
+                        let x = fx + r.next_double();
+                        [x, y, fz + if dz > 0 { 1.1 } else { 0.05 }]
+                    }
+                };
+                add(engine, T::DrippingWater, p, [0.0; 3]);
+            }
+        }
         Animate::Mycelium => {
             let r = engine.random();
             if next_int(r, 10) == 0 {
@@ -1021,6 +1124,99 @@ fn block_animate_tick(
                 }
             }
         }
+        Animate::FireflyBush => {
+            // FireflyBushBlock.animateTick: the idle sound on a quiet night
+            // under open sky, and fireflies in the dark within 5 blocks.
+            if next_int(engine.random(), 30) == 0
+                && ctx.firefly_bush_sounds
+                && (ctx.height_no_leaves)(pos) <= pos[1]
+            {
+                let name = "minecraft:block.firefly_bush.idle";
+                sound(engine, name, [fx, fy, fz], 1.0, 1.0);
+            }
+            if ctx.max_local_raw_brightness(pos) <= 13 {
+                let r = engine.random();
+                if r.next_double() <= 0.7 {
+                    let p = [
+                        fx + r.next_double() * 10.0 - 5.0,
+                        fy + r.next_double() * 5.0,
+                        fz + r.next_double() * 10.0 - 5.0,
+                    ];
+                    add(engine, T::Firefly, p, [0.0; 3]);
+                }
+            }
+        }
+        Animate::OpenEyeblossom => {
+            // EyeblossomBlock.animateTick: pale moss below.
+            if next_int(engine.random(), 700) == 0 {
+                let below = ctx.state([pos[0], pos[1] - 1, pos[2]]);
+                if ctx
+                    .registry
+                    .state(below)
+                    .is_some_and(|s| s.name == "minecraft:pale_moss_block")
+                {
+                    let name = "minecraft:block.eyeblossom.idle";
+                    sound(engine, name, [fx, fy, fz], 1.0, 1.0);
+                }
+            }
+        }
+        Animate::PaleHangingMoss => {
+            // HangingMossBlock.animateTick: under pale oak logs or leaves.
+            if next_int(engine.random(), 500) == 0 {
+                let above = ctx.state([pos[0], pos[1] + 1, pos[2]]);
+                let pale_leaves = ctx
+                    .registry
+                    .state(above)
+                    .is_some_and(|s| s.name == "minecraft:pale_oak_leaves");
+                if pale_leaves
+                    || tables
+                        .pale_oak_logs
+                        .get(above.0 as usize)
+                        .copied()
+                        .unwrap_or(false)
+                {
+                    let name = "minecraft:block.pale_hanging_moss.idle";
+                    sound(engine, name, [fx, fy, fz], 1.0, 1.0);
+                }
+            }
+        }
+        Animate::DeadBush => {
+            // AmbientDesertBlockSoundsPlayer.playAmbientDeadBushSounds.
+            if next_int(engine.random(), 130) == 0 {
+                let below = [pos[0], pos[1] - 1, pos[2]];
+                let state = ctx.state(below);
+                let red_sand = ctx
+                    .registry
+                    .state(state)
+                    .is_some_and(|s| s.name == "minecraft:red_sand");
+                let terracotta = tables
+                    .terracotta
+                    .get(state.0 as usize)
+                    .copied()
+                    .unwrap_or(false);
+                if (red_sand || terracotta) && next_int(engine.random(), 3) != 0 {
+                    return;
+                }
+                if desert_dry_vegetation_sounds(tables, ctx, below) {
+                    let name = "minecraft:block.deadbush.idle";
+                    sound(engine, name, [fx, fy, fz], 1.0, 1.0);
+                }
+            }
+        }
+        Animate::DryGrass => {
+            // AmbientDesertBlockSoundsPlayer.playAmbientDryGrassSounds:
+            // played at the player.
+            if next_int(engine.random(), 200) == 0
+                && desert_dry_vegetation_sounds(tables, ctx, [pos[0], pos[1] - 1, pos[2]])
+            {
+                let at = [
+                    f64::from(player[0]) + 0.5,
+                    f64::from(player[1]),
+                    f64::from(player[2]) + 0.5,
+                ];
+                sound(engine, "minecraft:block.dry_grass.ambient", at, 1.0, 1.0);
+            }
+        }
         Animate::EndPortal => {
             // EndPortalBlock.animateTick: one smoke particle above the surface.
             let r = engine.random();
@@ -1045,7 +1241,7 @@ fn block_animate_tick(
                 add(engine, T::Portal, p, v);
             }
         }
-        Animate::Falling(color) => {
+        Animate::Falling(color, sand) => {
             if next_int(engine.random(), 16) == 0 {
                 let below = ctx.facts.get(ctx.state([pos[0], pos[1] - 1, pos[2]]));
                 // FallingBlock.isFree: air, fire, liquids or replaceable.
@@ -1062,6 +1258,14 @@ fn block_animate_tick(
                     );
                 }
             }
+            // AmbientDesertBlockSoundsPlayer.playAmbientSandSounds: only for the air block.
+            if sand
+                && ctx.state([pos[0], pos[1] + 1, pos[2]]) == ctx.world.air
+                && next_int(engine.random(), 2100) == 0
+                && sand_sound_nearby(tables, ctx, pos)
+            {
+                sound(engine, "minecraft:block.sand.idle", [fx, fy, fz], 1.0, 1.0);
+            }
         }
         Animate::Beehive => {
             // BeehiveBlock.animateTick: nextInt(1) + 1 attempts.
@@ -1179,7 +1383,7 @@ fn block_animate_tick(
         }
         Animate::BubbleColumn { drag } => {
             if drag {
-                add(engine, T::CurrentDown, [fx + 0.5, fy + 0.8, fz], [0.0; 3]);
+                add_visible(engine, T::CurrentDown, [fx + 0.5, fy + 0.8, fz], [0.0; 3]);
                 let r = engine.random();
                 if next_int(r, 200) == 0 {
                     let (volume, pitch) = (0.2 + r.next_float() * 0.2, 0.9 + r.next_float() * 0.15);
@@ -1192,7 +1396,7 @@ fn block_animate_tick(
                     );
                 }
             } else {
-                add(
+                add_visible(
                     engine,
                     T::BubbleColumnUp,
                     [fx + 0.5, fy, fz + 0.5],
@@ -1204,7 +1408,7 @@ fn block_animate_tick(
                     fy + f64::from(r.next_float()),
                     fz + f64::from(r.next_float()),
                 ];
-                add(engine, T::BubbleColumnUp, p, [0.0, 0.04, 0.0]);
+                add_visible(engine, T::BubbleColumnUp, p, [0.0, 0.04, 0.0]);
                 let r = engine.random();
                 if next_int(r, 200) == 0 {
                     let (volume, pitch) = (0.2 + r.next_float() * 0.2, 0.9 + r.next_float() * 0.15);
@@ -1282,6 +1486,91 @@ fn block_animate_tick(
         }
     }
 }
+/// `AmbientLeavesBlockSoundPlayer.playAmbientLeavesSounds` for the poplar leaves:
+/// one log and three leaves of the same kind around the block.
+fn leaves_ambient_sound(
+    tables: &AnimateTables,
+    engine: &mut ParticleEngine,
+    ctx: &AnimateContext,
+    state: BlockStateId,
+    pos: [i32; 3],
+) {
+    if next_int(engine.random(), 300) != 0 {
+        return;
+    }
+    let Some(name) = ctx.registry.state(state).map(|s| &s.name) else {
+        return;
+    };
+    let (mut logs, mut leaves) = (0, 0);
+    for d in [[0, -1], [1, 0], [0, 1], [-1, 0]] {
+        let neighbor = ctx.state([pos[0] + d[0], pos[1], pos[2] + d[1]]);
+        if tables
+            .poplar_leaf_logs
+            .get(neighbor.0 as usize)
+            .copied()
+            .unwrap_or(false)
+        {
+            logs += 1;
+        }
+        if ctx
+            .registry
+            .state(neighbor)
+            .is_some_and(|s| &s.name == name)
+        {
+            leaves += 1;
+        }
+        if logs == 1 && leaves == 3 {
+            let p = pos.map(f64::from);
+            sound(engine, "minecraft:block.poplar_leaves.ambient", p, 1.0, 1.0);
+            return;
+        }
+    }
+}
+/// `AmbientDesertBlockSoundsPlayer.shouldPlayAmbientSandSound`: sand in the
+/// surface column eight blocks away on all four sides.
+fn sand_sound_nearby(tables: &AnimateTables, ctx: &AnimateContext, pos: [i32; 3]) -> bool {
+    let is_sand = |p: [i32; 3]| {
+        tables
+            .desert_sand_sounds
+            .get(ctx.state(p).0 as usize)
+            .copied()
+            .unwrap_or(false)
+    };
+    let (mut found, mut checked) = (0, 0);
+    for d in [[0, -8], [8, 0], [0, 8], [-8, 0]] {
+        let (x, z) = (pos[0] + d[0], pos[2] + d[1]);
+        // columnContainsTriggeringBlock.
+        let surface = ctx.world.world_surface(x, z, |s| ctx.facts.is_air(s)) - 1;
+        let matches = if (surface - pos[1]).abs() > 5 {
+            let mut y = pos[1] + 6;
+            let mut above_air = ctx.is_air([x, y, z]);
+            y -= 1;
+            let mut hit = false;
+            for _ in 0..10 {
+                if above_air && is_sand([x, y, z]) {
+                    hit = true;
+                    break;
+                }
+                above_air = ctx.is_air([x, y, z]);
+                y -= 1;
+            }
+            hit
+        } else {
+            ctx.is_air([x, surface + 1, z]) && is_sand([x, surface, z])
+        };
+        if matches {
+            found += 1;
+            if found > 3 {
+                return true;
+            }
+        }
+        checked += 1;
+        if 4 - checked + found < 3 {
+            return false;
+        }
+    }
+    false
+}
 /// `AbstractCandleBlock.addParticlesAndSound`.
 fn candle(engine: &mut ParticleEngine, p: [f64; 3]) {
     let r = engine.random();

crates/horizon-client/src/audio.rs

@@ -719,11 +719,6 @@ impl Audio {
         self.play(event, at, volume, pitch);
         self.capture = capture;
     }
-    /// `LivingEntity.handleDamageEvent`'s pitch, `(r - r) * 0.2 + 1`, drawn on the
-    /// client (the entity's own random there, never the server's world random).
-    pub fn hurt_pitch(&mut self) -> f32 {
-        (self.random.next_float() - self.random.next_float()) * 0.2 + 1.0
-    }
     /// `AbstractWidget.playButtonClickSound`: an unseeded, relative UI sound.
     pub fn play_button_click(&mut self) {
         self.play_instance(

crates/horizon-client/src/bidi.rs

@@ -0,0 +1,302 @@
+//! Right-to-left text (`FormattedBidiReorder.reorder`, behind
+//! `Language.getVisualOrder`): the logical text a player types becomes the
+//! glyphs a font draws left to right. Arabic letters are shaped into their
+//! joined presentation forms (ICU's `ArabicShaping` with `LETTERS_SHAPE`), the
+//! text is reordered by the Unicode bidirectional algorithm, and characters in
+//! right-to-left runs are mirrored. Left-to-right text comes back unchanged.
+use crate::text::{Span, Text};
+use std::borrow::Cow;
+use unicode_bidi::{
+    BidiClass, Direction, Level, ParagraphBidiInfo, bidi_class, get_base_direction,
+};
+
+/// How a letter joins its neighbours, as ICU's shaper sees it: `Right` joins
+/// the letter before it only, `Dual` both neighbours, `Mark` is skipped over
+/// (diacritics) and `None` never joins.
+#[derive(Clone, Copy, PartialEq)]
+enum Join {
+    None,
+    Right,
+    Dual,
+    Mark,
+}
+use Join::{Dual, Mark, Right};
+
+/// ICU's joining table (`araLink`): code point ranges and their class, with the
+/// lam-alef ligatures at the end. Anything else is `Join::None`.
+const JOINS: &[(u32, u32, Join)] = &[
+    (0x0622, 0x0625, Right),
+    (0x0626, 0x0626, Dual),
+    (0x0627, 0x0627, Right),
+    (0x0628, 0x0628, Dual),
+    (0x0629, 0x0629, Right),
+    (0x062A, 0x062E, Dual),
+    (0x062F, 0x0632, Right),
+    (0x0633, 0x063A, Dual),
+    (0x0640, 0x0647, Dual),
+    (0x0648, 0x0649, Right),
+    (0x064A, 0x064A, Dual),
+    (0x064B, 0x0656, Mark),
+    (0x0670, 0x0670, Mark),
+    (0x0671, 0x0673, Right),
+    (0x0675, 0x0677, Right),
+    (0x0678, 0x0687, Dual),
+    (0x0688, 0x0699, Right),
+    (0x069A, 0x06B9, Dual),
+    (0x06BA, 0x06BA, Right),
+    (0x06BB, 0x06BF, Dual),
+    (0x06C0, 0x06C0, Right),
+    (0x06C1, 0x06C1, Dual),
+    (0x06C2, 0x06CB, Right),
+    (0x06CC, 0x06CC, Dual),
+    (0x06CD, 0x06CD, Right),
+    (0x06CE, 0x06D1, Dual),
+    (0x06D2, 0x06D3, Right),
+    (0x200D, 0x200D, Dual),
+    (0x206D, 0x206F, Mark),
+    (0xFEF5, 0xFEFC, Right),
+];
+
+/// Letters that have joined forms and the code point of the isolated one; the
+/// final, initial and medial forms follow it (a right-joining letter has the
+/// isolated and final only). The lam-alef ligatures are their own letters.
+/// ICU leaves the extended letters (پ چ ژ ک گ ی and the rest of U+0679 to
+/// U+06D3) unchanged, so they are in `JOINS` but not here.
+#[rustfmt::skip]
+const FORMS: &[(u32, u32)] = &[
+    (0x0622, 0xFE81), (0x0623, 0xFE83), (0x0624, 0xFE85), (0x0625, 0xFE87), (0x0626, 0xFE89),
+    (0x0627, 0xFE8D), (0x0628, 0xFE8F), (0x0629, 0xFE93), (0x062A, 0xFE95), (0x062B, 0xFE99),
+    (0x062C, 0xFE9D), (0x062D, 0xFEA1), (0x062E, 0xFEA5), (0x062F, 0xFEA9), (0x0630, 0xFEAB),
+    (0x0631, 0xFEAD), (0x0632, 0xFEAF), (0x0633, 0xFEB1), (0x0634, 0xFEB5), (0x0635, 0xFEB9),
+    (0x0636, 0xFEBD), (0x0637, 0xFEC1), (0x0638, 0xFEC5), (0x0639, 0xFEC9), (0x063A, 0xFECD),
+    (0x0641, 0xFED1), (0x0642, 0xFED5), (0x0643, 0xFED9), (0x0644, 0xFEDD), (0x0645, 0xFEE1),
+    (0x0646, 0xFEE5), (0x0647, 0xFEE9), (0x0648, 0xFEED), (0x0649, 0xFEEF), (0x064A, 0xFEF1),
+    (0xFEF5, 0xFEF5), (0xFEF7, 0xFEF7), (0xFEF9, 0xFEF9), (0xFEFB, 0xFEFB),
+];
+
+/// `Bidi_Mirroring_Glyph` (`UCharacter.getMirror`): each pair is two
+/// neighbouring characters that mirror each other.
+const MIRRORED: &str = "\
+        ()<>[]{}«»༺༻༼༽᚛᚜‹›⁅⁆⁽⁾₍₎∈∋∉∌∊∍∕⧵∟⯾∠⦣∡⦛∢⦠∤⫮∼∽≃⋍≅≌≒≓\
+        ≔≕≤≥≦≧≨≩≪≫≮≯≰≱≲≳≴≵≶≷≸≹≺≻≼≽≾≿⊀⊁⊂⊃⊄⊅⊆⊇⊈⊉⊊⊋⊏⊐⊑⊒⊘⦸⊢⊣⊦⫞\
+        ⊨⫤⊩⫣⊫⫥⊰⊱⊲⊳⊴⊵⊶⊷⊸⟜⋉⋊⋋⋌⋐⋑⋖⋗⋘⋙⋚⋛⋜⋝⋞⋟⋠⋡⋢⋣⋤⋥⋦⋧⋨⋩⋪⋫⋬⋭⋰⋱⋲⋺\
+        ⋳⋻⋴⋼⋶⋽⋷⋾⌈⌉⌊⌋〈〉❨❩❪❫❬❭❮❯❰❱❲❳❴❵⟃⟄⟅⟆⟈⟉⟋⟍⟕⟖⟝⟞⟢⟣⟤⟥⟦⟧⟨⟩⟪⟫\
+        ⟬⟭⟮⟯⦃⦄⦅⦆⦇⦈⦉⦊⦋⦌⦍⦐⦎⦏⦑⦒⦓⦔⦕⦖⦗⦘⦤⦥⦨⦩⦪⦫⦬⦭⦮⦯⧀⧁⧄⧅⧏⧐⧑⧒⧔⧕⧘⧙⧚⧛\
+        ⧨⧩⧸⧹⧼⧽⨫⨬⨭⨮⨴⨵⨼⨽⩤⩥⩹⩺⩻⩼⩽⩾⩿⪀⪁⪂⪃⪄⪅⪆⪇⪈⪉⪊⪋⪌⪍⪎⪏⪐⪑⪒⪓⪔⪕⪖⪗⪘⪙⪚\
+        ⪛⪜⪝⪞⪟⪠⪡⪢⪦⪧⪨⪩⪪⪫⪬⪭⪯⪰⪱⪲⪳⪴⪵⪶⪷⪸⪹⪺⪻⪼⪽⪾⪿⫀⫁⫂⫃⫄⫅⫆⫇⫈⫉⫊⫋⫌⫍⫎⫏⫐\
+        ⫑⫒⫓⫔⫕⫖⫬⫭⫷⫸⫹⫺⸂⸃⸄⸅⸉⸊⸌⸍⸜⸝⸠⸡⸢⸣⸤⸥⸦⸧⸨⸩⹕⹖⹗⹘⹙⹚⹛⹜〈〉《》「」『』【】\
+        〔〕〖〗〘〙〚〛﹙﹚﹛﹜﹝﹞﹤﹥（）＜＞［］｛｝｟｠｢｣";
+
+fn join(c: char) -> Join {
+    let c = c as u32;
+    JOINS
+        .iter()
+        .find(|&&(from, to, _)| (from..=to).contains(&c))
+        .map_or(Join::None, |&(_, _, join)| join)
+}
+
+/// The letter whose joined form `c` is (ICU shapes the forms again), or `c`.
+fn letter_of(c: char) -> char {
+    let c32 = c as u32;
+    if !matches!(c32, 0xFE70..=0xFEFC) {
+        return c;
+    }
+    if (0xFE70..0xFE80).contains(&c32) {
+        // The diacritics' forms pair up from fathatan on.
+        return char::from_u32(0x064B + (c32 - 0xFE70) / 2).unwrap_or(c);
+    }
+    FORMS
+        .iter()
+        .find(|&&(letter, iso)| {
+            let forms = if join(char::from_u32(letter).unwrap_or(c)) == Dual {
+                4
+            } else {
+                2
+            };
+            (iso..iso + forms).contains(&c32)
+        })
+        .and_then(|&(letter, _)| char::from_u32(letter))
+        .unwrap_or(c)
+}
+
+/// `ArabicShaping(LETTERS_SHAPE).shape`: lam followed by an alef (diacritics
+/// may sit between) becomes one ligature, then every letter takes the isolated,
+/// final, initial or medial form its neighbours call for. Diacritics take the
+/// tatweel form between two joined letters. The text can only get shorter.
+fn shape(text: &[char]) -> Vec<char> {
+    let letters: Vec<char> = text.iter().map(|&c| letter_of(c)).collect();
+    let mut chars = Vec::with_capacity(letters.len());
+    let mut i = 0;
+    while i < letters.len() {
+        if letters[i] == '\u{644}' {
+            let mut at = i + 1;
+            while letters.get(at).is_some_and(|&c| join(c) == Mark) {
+                at += 1;
+            }
+            let alef = letters.get(at).and_then(|&c| {
+                ['\u{622}', '\u{623}', '\u{625}', '\u{627}']
+                    .iter()
+                    .position(|&a| a == c)
+            });
+            if let Some(alef) = alef {
+                chars.push(char::from_u32(0xFEF5 + 2 * alef as u32).unwrap_or('\u{644}'));
+                chars.extend_from_slice(&letters[i + 1..at]);
+                i = at + 1;
+                continue;
+            }
+        }
+        chars.push(letters[i]);
+        i += 1;
+    }
+    // Whether the nearest letter before joins the next one, and the joins of
+    // the nearest letter after.
+    let mut joins_next = false;
+    let mut out = Vec::with_capacity(chars.len());
+    for (i, &c) in chars.iter().enumerate() {
+        let next_joins = chars[i + 1..]
+            .iter()
+            .map(|&n| join(n))
+            .find(|&j| j != Mark)
+            .is_some_and(|j| j != Join::None);
+        let kind = join(c);
+        let shaped = match kind {
+            Join::None => {
+                joins_next = false;
+                c
+            }
+            Mark => match c as u32 {
+                m @ 0x064B..=0x0652 => {
+                    let iso = 0xFE70 + 2 * (m - 0x064B);
+                    let tatweel = joins_next && next_joins && !matches!(m, 0x064C | 0x064D);
+                    char::from_u32(iso + u32::from(tatweel)).unwrap_or(c)
+                }
+                _ => c,
+            },
+            Right | Dual => {
+                let to_next = kind == Dual && next_joins;
+                let form = match (joins_next, to_next) {
+                    (false, false) => 0,
+                    (true, false) => 1,
+                    (false, true) => 2,
+                    (true, true) => 3,
+                };
+                joins_next = kind == Dual;
+                FORMS
+                    .binary_search_by_key(&(c as u32), |&(letter, _)| letter)
+                    .ok()
+                    .and_then(|at| char::from_u32(FORMS[at].1 + form))
+                    .unwrap_or(c)
+            }
+        };
+        out.push(shaped);
+    }
+    out
+}
+
+/// `UCharacter.getMirror`.
+fn mirror(c: char) -> char {
+    if bidi_class(c) != BidiClass::ON {
+        return c;
+    }
+    let mut pairs = MIRRORED.chars();
+    while let (Some(a), Some(b)) = (pairs.next(), pairs.next()) {
+        if c == a {
+            return b;
+        }
+        if c == b {
+            return a;
+        }
+    }
+    c
+}
+
+/// Whether a character can change anything: right-to-left letters and numbers,
+/// the explicit direction controls and the diacritics that shaping turns into
+/// letters. Without any, left-to-right text keeps its order.
+fn directional(c: char) -> bool {
+    c as u32 >= 0x0590
+        && (matches!(c as u32, 0x064B..=0x0652)
+            || matches!(
+                bidi_class(c),
+                BidiClass::R
+                    | BidiClass::AL
+                    | BidiClass::AN
+                    | BidiClass::LRE
+                    | BidiClass::RLE
+                    | BidiClass::LRO
+                    | BidiClass::RLO
+                    | BidiClass::PDF
+                    | BidiClass::LRI
+                    | BidiClass::RLI
+                    | BidiClass::FSI
+                    | BidiClass::PDI
+            ))
+}
+
+/// Whether `chars` keep their order and shapes: left-to-right text without
+/// anything directional, in a language that reads left to right by default.
+fn unchanged(mut chars: impl Iterator<Item = char>, default_rtl: bool) -> bool {
+    !default_rtl && !chars.any(directional)
+}
+
+/// `FormattedBidiReorder.reorder`: `chars` shaped, in visual order, with each
+/// character's position in the shaped text. A character's style is the one at
+/// its position in the shaped text, as `SubStringSource` takes it (the text
+/// shrinks at a lam-alef ligature).
+fn reorder(chars: &[char], default_rtl: bool) -> Vec<(char, usize)> {
+    let shaped = shape(chars);
+    let plain: String = shaped.iter().collect();
+    // DEFAULT_RTL only changes text without a strong character.
+    let level =
+        (default_rtl && get_base_direction(plain.as_str()) == Direction::Mixed).then(Level::rtl);
+    let info = ParagraphBidiInfo::new(&plain, level);
+    let levels = info.reordered_levels_per_char(0..plain.len());
+    ParagraphBidiInfo::reorder_visual(&levels)
+        .into_iter()
+        .map(|i| {
+            let c = if levels[i].is_rtl() {
+                mirror(shaped[i])
+            } else {
+                shaped[i]
+            };
+            (c, i)
+        })
+        .collect()
+}
+
+/// `Language.getVisualOrder` of a text (its `§` codes already resolved), for
+/// the current language's direction.
+pub fn visual(text: &Text) -> Cow<'_, Text> {
+    let default_rtl = crate::lang::bidirectional();
+    if unchanged(text.chars().map(|(c, _)| c), default_rtl) {
+        return Cow::Borrowed(text);
+    }
+    let chars: Vec<char> = text.chars().map(|(c, _)| c).collect();
+    let styles: Vec<_> = text.chars().map(|(_, style)| style).collect();
+    let mut out = Text::default();
+    for (c, at) in reorder(&chars, default_rtl) {
+        match out.spans.last_mut() {
+            Some(span) if span.style == *styles[at] => span.text.push(c),
+            _ => out.spans.push(Span {
+                text: c.to_string(),
+                style: styles[at].clone(),
+            }),
+        }
+    }
+    Cow::Owned(out)
+}
+
+/// The same for a plain string.
+pub fn visual_str(s: &str) -> Cow<'_, str> {
+    let default_rtl = crate::lang::bidirectional();
+    if unchanged(s.chars(), default_rtl) {
+        return Cow::Borrowed(s);
+    }
+    let chars: Vec<char> = s.chars().collect();
+    Cow::Owned(
+        reorder(&chars, default_rtl)
+            .into_iter()
+            .map(|(c, _)| c)
+            .collect(),
+    )
+}

crates/horizon-client/src/biome.rs

@@ -66,6 +66,13 @@ impl BiomeInfo {
         }
         .height_adjusted(pos, sea_level)
     }
+    /// `Biome.getPrecipitationAt` in the Overworld (sea level 63): None
+    /// without precipitation, else whether it falls as snow
+    /// (`getHeightAdjustedTemperature` below 0.15).
+    pub fn snows_at(&self, x: i32, y: i32, z: i32) -> Option<bool> {
+        self.precipitation
+            .then(|| self.temperature_at(BlockPos::new(x, y, z), 63) < 0.15)
+    }
 }
 pub struct Biomes {
     pub list: Vec<BiomeInfo>,

crates/horizon-client/src/block_entity_render.rs

@@ -610,7 +610,9 @@ fn sign_text_calls(
         .iter()
         .enumerate()
         .map(|(i, line)| {
+            // The line that fits, in the order it is drawn (getVisualOrder).
             let shown = first_line(line, data.max_line_width(), &advance);
+            let shown = crate::bidi::visual_str(&shown).into_owned();
             TextCall {
                 matrix: m,
                 x: -((width(&shown) as i32) / 2) as f32,

crates/horizon-client/src/brewing.rs

@@ -7,7 +7,12 @@ use crate::{
     items::{ItemStack, Items},
 };
 use serde_json::Value;
-use std::{collections::HashSet, fs, path::Path, sync::Arc};
+use std::{
+    collections::{HashMap, HashSet},
+    fs,
+    path::Path,
+    sync::{Arc, OnceLock},
+};
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum Category {
@@ -94,6 +99,24 @@ pub fn effect(id: &str) -> Option<&'static EffectDef> {
     let id = id.trim_start_matches("minecraft:");
     EFFECTS.iter().find(|e| e.id == id)
 }
+/// Namespaced effect ids for mob effect storage.
+pub fn namespaced(id: &'static str) -> &'static str {
+    static IDS: OnceLock<HashMap<&'static str, &'static str>> = OnceLock::new();
+    IDS.get_or_init(|| {
+        EFFECTS
+            .iter()
+            .map(|e| {
+                (
+                    e.id,
+                    &*Box::leak(format!("minecraft:{}", e.id).into_boxed_str()),
+                )
+            })
+            .collect()
+    })
+    .get(id)
+    .copied()
+    .unwrap_or(id)
+}
 /// A `Potion`: id, name suffix (`item.minecraft.potion.effect.<name>`) and
 /// effects as (effect, duration ticks, amplifier).
 #[derive(Clone, Copy, Debug)]

crates/horizon-client/src/bundle.rs

@@ -50,10 +50,12 @@ impl Weight {
 
 /// The sounds of `BundleItem` (`Entity.playSound` at the player): insert
 /// and remove one at volume 0.8 and pitch `0.8 + random * 0.4`, a failed
-/// insert at 1, 1.
+/// insert at 1, 1; the drop of its contents is played at the player's block
+/// like remove one.
 pub const INSERT: &str = "minecraft:item.bundle.insert";
 pub const INSERT_FAIL: &str = "minecraft:item.bundle.insert_fail";
 pub const REMOVE_ONE: &str = "minecraft:item.bundle.remove_one";
+pub const DROP_CONTENTS: &str = "minecraft:item.bundle.drop_contents";
 
 fn max_stack(items: &Items, stack: &ItemStack) -> u32 {
     items.get(&stack.item).map_or(64, |i| i.max_stack).max(1)
@@ -211,6 +213,17 @@ impl Contents {
         self.weight.n >= self.weight.d
     }
 
+    /// `BundleItem.isBarVisible`, `getBarWidth` and `getBarColor`: the fullness bar
+    /// (width, RGB), blue until the bundle is full, then red.
+    pub fn bar(&self) -> Option<(i32, u32)> {
+        if self.weight.n <= 0 {
+            return None;
+        }
+        let width = (1 + self.weight.n * 12 / self.weight.d).min(13) as i32;
+        let color = if self.is_full() { 0xFF5454 } else { 0x7087FF };
+        Some((width, color))
+    }
+
     /// `toImmutable`, written back into the bundle's component.
     pub fn store(self, bundle: &mut ItemStack) {
         let data = bundle.data_mut();

crates/horizon-client/src/chat.rs

@@ -16,6 +16,9 @@ use crate::{
 #[path = "chat_tests.rs"]
 mod tests;
 
+/// `CommandHistory.PERSISTED_COMMANDS_FILE_NAME` and its size cap.
+const COMMAND_HISTORY_FILE: &str = "command_history.txt";
+const MAX_PERSISTED_COMMAND_HISTORY: usize = 50;
 /// GuiMessageTag.systemSinglePlayer's indicator colour.
 pub const SYSTEM_INDICATOR: u32 = 0xD0D0D0;
 
@@ -80,6 +83,10 @@ impl ChatAbilities {
             ChatSource::Client => true,
         }
     }
+    /// `ChatAbilities.hasAnyRestrictions`: the Chat option takes something.
+    pub fn any_restriction(&self) -> bool {
+        *self != Self::new(ChatVisibility::Full)
+    }
     /// Whether the chat screen may send `input` (`hasAllowedInput`).
     pub fn allows(&self, input: &str) -> bool {
         if input.starts_with('/') {
@@ -185,6 +192,10 @@ pub struct Chat {
     lines: Vec<Line>,
     /// Sent messages and commands (ChatComponent.recentChat).
     pub recent: Vec<String>,
+    /// `CommandHistory`: the last commands, kept in `command_history.txt`
+    /// in the game folder once `load_history` has set it.
+    commands: Vec<String>,
+    history_file: Option<std::path::PathBuf>,
     scroll: usize,
     new_since_scroll: bool,
     pub options: ChatOptions,
@@ -310,6 +321,17 @@ impl Chat {
         self.lines.clear();
         self.scroll = 0;
     }
+    /// `new CommandHistory(gameFolder)`: the commands kept from earlier runs
+    /// start the chat's history (`ChatComponent`'s constructor).
+    pub fn load_history(&mut self, game_folder: &std::path::Path) {
+        let file = game_folder.join(COMMAND_HISTORY_FILE);
+        if let Ok(text) = std::fs::read_to_string(&file) {
+            self.commands = text.lines().map(str::to_owned).collect();
+            self.recent.extend(self.commands.iter().cloned());
+        }
+        self.history_file = Some(file);
+    }
+    /// `ChatComponent.addRecentChat`: a command also goes to the saved history.
     pub fn add_recent(&mut self, message: &str) {
         if self.recent.last().map(String::as_str) != Some(message) {
             if self.recent.len() >= 100 {
@@ -317,6 +339,21 @@ impl Chat {
             }
             self.recent.push(message.to_owned());
         }
+        if message.starts_with('/') && self.commands.last().map(String::as_str) != Some(message) {
+            if self.commands.len() >= MAX_PERSISTED_COMMAND_HISTORY {
+                self.commands.remove(0);
+            }
+            self.commands.push(message.to_owned());
+            if let Some(file) = &self.history_file {
+                let mut text = self.commands.join("\n");
+                text.push('\n');
+                if let Err(e) = std::fs::write(file, text) {
+                    log::error!(
+                        "Failed to write {COMMAND_HISTORY_FILE}, command history will be missing: {e}"
+                    );
+                }
+            }
+        }
     }
     pub fn reset_scroll(&mut self) {
         self.scroll = 0;
@@ -438,10 +475,71 @@ impl Chat {
         out.push(GuiDraw::Pop);
         out
     }
-    /// Draws [`Chat::layout`] into the HUD batch.
+    /// Draws [`Chat::layout`] into the HUD batch, and with the chat screen
+    /// open the restricted prompt above the lines.
     pub fn draw(&self, batch: &mut HudBatch, atlas: &HudAtlas, ticks: u64, focused: bool) {
         let draws = self.layout(batch.height as i32, ticks, focused);
         hud_layout::paint(batch, atlas, &draws);
+        if focused && self.abilities.any_restriction() {
+            let prompt = self.restricted_prompt(&atlas.font, batch.height as i32);
+            hud_layout::paint(batch, atlas, &prompt);
+        }
+    }
+    /// `ChatComponent.extractRenderState` for `FOREGROUND_RESTRICTED`: a
+    /// background row and the red, underlined "Chat is restricted" line in
+    /// the row above the messages, clipped to the chat's width.
+    fn restricted_prompt(&self, font: &crate::font::Font, height: i32) -> Vec<GuiDraw> {
+        let o = &self.options;
+        let scale = o.scale as f32;
+        let max_width = hud_layout::ceil(o.width_px() as f32 / scale);
+        let chat_bottom = hud_layout::floor((height - 40) as f32 / scale);
+        let entry_height = o.line_height();
+        let bottom_to_text =
+            (8.0 * (o.line_spacing + 1.0) - 4.0 * o.line_spacing + 0.5).floor() as i32;
+        let shown = self
+            .lines
+            .len()
+            .saturating_sub(self.scroll)
+            .min(self.lines_per_page(true));
+        let top = chat_bottom - (shown as i32 + 1) * entry_height;
+        let mut prompt = Text::translate("chat_screen.restricted", &[]).with_style(&Style {
+            color: Some(text::RED),
+            underlined: Some(true),
+            ..Style::default()
+        });
+        // ComponentRenderUtils.clipText.
+        let mut width = 0.0;
+        let fits = prompt
+            .chars()
+            .take_while(|(c, style)| {
+                width += font.advance(*c, style);
+                width <= max_width as f32
+            })
+            .count();
+        if fits < prompt.chars().count() {
+            prompt = prompt.slice(0, fits);
+        }
+        vec![
+            GuiDraw::Push(vec![
+                PoseOp::Scale(scale, scale),
+                PoseOp::Translate(4.0, 0.0),
+            ]),
+            hud_layout::fill(
+                -2,
+                top,
+                max_width + 4 + 4,
+                top + entry_height,
+                hud_layout::as8(o.background_opacity as f32) << 24,
+            ),
+            GuiDraw::Text {
+                text: prompt,
+                x: 0,
+                y: top + entry_height - bottom_to_text - 1,
+                color: hud_layout::white(o.opacity as f32 * 0.9 + 0.1),
+                shadow: true,
+            },
+            GuiDraw::Pop,
+        ]
     }
     /// The click action under a GUI-space cursor while chat is focused.
     pub fn click_at(
@@ -458,26 +556,34 @@ impl Chat {
     pub fn hover_at(&self, font: &crate::font::Font, height: i32, x: f64, y: f64) -> Option<Text> {
         self.style_at(font, height, x, y)?.hover.map(|h| *h)
     }
-    /// ChatComponent.getClickedComponentStyleAt.
-    fn style_at(
-        &self,
-        font: &crate::font::Font,
-        height: i32,
-        x: f64,
-        y: f64,
-    ) -> Option<crate::text::Style> {
+    /// The wrapped line under a GUI-space cursor while chat is focused, and
+    /// the cursor's x within it (the text starts at 0).
+    fn line_at(&self, height: i32, x: f64, y: f64) -> Option<(&Line, f64)> {
         let scale = self.options.scale as f32;
-        let mut x = x / f64::from(scale) - 4.0;
+        let x = x / f64::from(scale) - 4.0;
         let bottom = hud_layout::floor((height - 40) as f32 / scale);
         let from_bottom = f64::from(bottom) - y / f64::from(scale);
-        if x < 0.0 || x >= f64::from(self.max_width()) || from_bottom <= 0.0 {
+        if x >= f64::from(self.max_width()) || from_bottom <= 0.0 {
             return None;
         }
         let row = (from_bottom / f64::from(self.options.line_height())).ceil() as usize - 1;
         if row >= self.lines_per_page(true) {
             return None;
         }
-        let line = self.lines.get(self.scroll + row)?;
+        Some((self.lines.get(self.scroll + row)?, x))
+    }
+    /// ChatComponent.getClickedComponentStyleAt.
+    pub fn style_at(
+        &self,
+        font: &crate::font::Font,
+        height: i32,
+        x: f64,
+        y: f64,
+    ) -> Option<crate::text::Style> {
+        let (line, mut x) = self.line_at(height, x, y)?;
+        if x < 0.0 {
+            return None;
+        }
         let content = line.content.resolve_legacy();
         for (c, style) in content.chars() {
             x -= f64::from(font.advance(c, style));
@@ -487,6 +593,13 @@ impl Chat {
         }
         None
     }
+    /// Whether the cursor is on a line's indicator bar while chat is focused
+    /// (`DrawingFocusedGraphicsAccess.handleTag`), whose tooltip is the
+    /// message tag's text.
+    pub fn indicator_at(&self, height: i32, x: f64, y: f64) -> bool {
+        self.line_at(height, x, y)
+            .is_some_and(|(line, x)| line.indicator.is_some() && (-4.0..-2.0).contains(&x))
+    }
     /// Plain text of the newest messages (for tests and the control socket).
     pub fn recent_lines(&self, n: usize) -> Vec<String> {
         self.messages

crates/horizon-client/src/command_block.rs

@@ -35,6 +35,23 @@ impl Mode {
             Self::Redstone => "minecraft:command_block",
         }
     }
+    /// `Enum.ordinal`, which `ServerboundSetCommandBlockPacket` writes.
+    pub fn ordinal(self) -> i32 {
+        match self {
+            Self::Sequence => 0,
+            Self::Auto => 1,
+            Self::Redstone => 2,
+        }
+    }
+    /// The mode of a packet's ordinal; `handleSetCommandBlock` treats any
+    /// other value as a plain command block (its `default` branch).
+    pub fn from_ordinal(ordinal: i32) -> Self {
+        match ordinal {
+            0 => Self::Sequence,
+            1 => Self::Auto,
+            _ => Self::Redstone,
+        }
+    }
     /// `CycleButton`: the next value, wrapping round.
     pub fn next(self) -> Self {
         match self {

crates/horizon-client/src/confirm_screen.rs

@@ -63,13 +63,24 @@ impl Confirm {
         atlas: &HudAtlas,
         cursor: (f32, f32),
         labels: [&Text; 2],
+    ) {
+        self.draw_active(batch, atlas, cursor, labels, true);
+    }
+    /// `draw` with the buttons greyed out while `setDelay` runs (`active` false).
+    pub fn draw_active(
+        &self,
+        batch: &mut HudBatch,
+        atlas: &HudAtlas,
+        cursor: (f32, f32),
+        labels: [&Text; 2],
+        active: bool,
     ) {
         for (line, x, y) in &self.lines {
             batch.text_styled(atlas, line, *x, *y, u32::MAX, true);
         }
         for ((bx, by), label) in self.buttons.into_iter().zip(labels) {
-            let hover = ui::hovered(cursor, bx, by, 150.0, 20.0);
-            ui::button(batch, atlas, bx, by, 150.0, 20.0, label, true, hover);
+            let hover = active && ui::hovered(cursor, bx, by, 150.0, 20.0);
+            ui::button(batch, atlas, bx, by, 150.0, 20.0, label, active, hover);
         }
     }
 }

crates/horizon-client/src/containers.rs

@@ -101,6 +101,22 @@ pub enum BlockEntity {
     /// `DaylightDetectorBlockEntity`: no data, only the ticker
     /// (`DaylightDetectorBlock.tickEntity`).
     DaylightDetector,
+    /// `ChiseledBookShelfBlockEntity`: a `Container` of six one-book slots.
+    ChiseledBookshelf(Box<ChiseledBookshelf>),
+}
+/// `ChiseledBookShelfBlockEntity`: six slots and `lastInteractedSlot`.
+#[derive(Clone, Debug, PartialEq)]
+pub struct ChiseledBookshelf {
+    pub items: [Option<ItemStack>; 6],
+    pub last_slot: i32,
+}
+impl Default for ChiseledBookshelf {
+    fn default() -> Self {
+        Self {
+            items: Default::default(),
+            last_slot: -1,
+        }
+    }
 }
 /// `CampfireBlockEntity`: four cooking slots, each with its
 /// `cookingProgress` and `cookingTime` (the recipe's).
@@ -381,6 +397,9 @@ impl BlockEntity {
         if name == "minecraft:campfire" || name == "minecraft:soul_campfire" {
             return Some(Self::Campfire(Box::default()));
         }
+        if name == "minecraft:chiseled_bookshelf" {
+            return Some(Self::ChiseledBookshelf(Box::default()));
+        }
         let size = match name {
             "minecraft:chest" | "minecraft:trapped_chest" | "minecraft:barrel" => 27,
             n if n.ends_with("copper_chest") => 27,
@@ -420,6 +439,7 @@ impl BlockEntity {
             Self::Skull(_) => "minecraft:skull",
             Self::DaylightDetector => "minecraft:daylight_detector",
             Self::Campfire(_) => "minecraft:campfire",
+            Self::ChiseledBookshelf(_) => "minecraft:chiseled_bookshelf",
         }
     }
     pub fn contents(&self) -> Vec<ItemStack> {
@@ -443,6 +463,7 @@ impl BlockEntity {
             Self::Banner(_) => Vec::new(),
             Self::Crafter(c) => c.items.iter().flatten().cloned().collect(),
             Self::Campfire(c) => c.items.iter().flatten().cloned().collect(),
+            Self::ChiseledBookshelf(b) => b.items.iter().flatten().cloned().collect(),
         }
     }
     pub fn slots(&self) -> &[Option<ItemStack>] {
@@ -459,6 +480,7 @@ impl BlockEntity {
             | Self::Skull(_)
             | Self::DaylightDetector => &[],
             Self::Crafter(c) => &c.items,
+            Self::ChiseledBookshelf(b) => &b.items,
             Self::CreakingHeart(_)
             | Self::Spawner(_)
             | Self::TrialSpawner(_)
@@ -483,6 +505,7 @@ impl BlockEntity {
             | Self::Skull(_)
             | Self::DaylightDetector => &mut [],
             Self::Crafter(c) => &mut c.items,
+            Self::ChiseledBookshelf(b) => &mut b.items,
             Self::CreakingHeart(_)
             | Self::Spawner(_)
             | Self::TrialSpawner(_)

crates/horizon-client/src/effects.rs

@@ -179,13 +179,14 @@ impl PlayerEffects {
         self.list.clear();
     }
     /// The effects of a saved player (`Player.active_effects`: id,
-    /// duration, amplifier, ambient, visible).
+    /// duration, amplifier, ambient, particles visible).
     pub fn from_saved(saved: &[(String, i32, i32, bool, bool)]) -> Self {
         let mut effects = Self::default();
-        for (id, duration, amplifier, ambient, _) in saved {
+        for (id, duration, amplifier, ambient, particles) in saved {
             if let Some(def) = brewing::effect(id) {
                 let mut e = EffectInstance::new(def.id, *duration, *amplifier);
                 e.ambient = *ambient;
+                e.visible = *particles;
                 effects.add(e);
             }
         }

crates/horizon-client/src/entities.rs

@@ -19,6 +19,8 @@ pub struct ItemEntity {
     pub id: u32,
     pub stack: ItemStack,
     pub thrower: Option<[i32; 4]>,
+    /// `ItemEntity.target`: the only player who may pick the item up.
+    pub target: Option<[i32; 4]>,
     pub position: Vec3,
     pub previous: Vec3,
     pub velocity: Vec3,
@@ -355,7 +357,10 @@ pub fn merge_with_neighbours(
         }
         // ItemEntity.areMergable: both fit one stack of the same item and components.
         let (this, other) = (&items[i].stack, &items[j].stack);
-        if this.count + other.count > max_stack(other) || !this.same_item_same_components(other) {
+        if items[i].target != items[j].target
+            || this.count + other.count > max_stack(other)
+            || !this.same_item_same_components(other)
+        {
             continue;
         }
         let (to, from) = if other.count < this.count {
@@ -582,17 +587,21 @@ impl Experience {
             7 + level * 2
         }
     }
-    /// Returns true when a level was gained.
-    pub fn give(&mut self, points: i32) -> bool {
-        let start = self.level;
+    /// Returns the first multiple of 5 the player reached, where each level
+    /// gained would play the level-up sound (`Player.giveExperienceLevels`).
+    pub fn give(&mut self, points: i32) -> Option<i32> {
+        let mut sound_level = None;
         self.progress += points as f32 / Self::needed(self.level) as f32;
         self.total = self.total.saturating_add(points).max(0);
         while self.progress >= 1.0 {
             self.progress = (self.progress - 1.0) * Self::needed(self.level) as f32;
             self.level += 1;
+            if self.level % 5 == 0 {
+                sound_level.get_or_insert(self.level);
+            }
             self.progress /= Self::needed(self.level) as f32;
         }
-        self.level > start
+        sound_level
     }
 }
 /// A painting (`Painting`, a `HangingEntity`): the block it hangs in, the
@@ -767,9 +776,24 @@ pub struct ArmorStand {
     pub name_visible: bool,
     /// Game time of the last hit (the wobble and the second-hit window).
     pub last_hit: i64,
+    /// `DATA_HEAD_POSE` to `DATA_RIGHT_LEG_POSE`: head, body, left arm, right
+    /// arm, left leg, right leg, in degrees (`POSE_KEYS` order).
+    pub pose: [[f32; 3]; 6],
 }
 impl ArmorStand {
     pub const SLOTS: [&'static str; 6] = ["mainhand", "offhand", "feet", "legs", "chest", "head"];
+    /// The `Pose` compound's keys.
+    pub const POSE_KEYS: [&'static str; 6] =
+        ["Head", "Body", "LeftArm", "RightArm", "LeftLeg", "RightLeg"];
+    /// `ArmorStand.DEFAULT_*_POSE`.
+    pub const DEFAULT_POSE: [[f32; 3]; 6] = [
+        [0.0, 0.0, 0.0],
+        [0.0, 0.0, 0.0],
+        [-10.0, 0.0, -10.0],
+        [-15.0, 0.0, 10.0],
+        [-1.0, 0.0, -1.0],
+        [1.0, 0.0, 1.0],
+    ];
     pub fn new(id: u32, position: Vec3, yaw: f32) -> Self {
         Self {
             fire_ticks: 0,
@@ -788,6 +812,7 @@ impl ArmorStand {
             custom_name: None,
             name_visible: false,
             last_hit: i64::MIN / 2,
+            pose: Self::DEFAULT_POSE,
         }
     }
     pub fn environment_tick(
@@ -931,6 +956,7 @@ mod fire_environment_tests {
         let make = |id: &str| ItemEntity {
             id: 1,
             thrower: None,
+            target: None,
             stack: ItemStack {
                 item: std::sync::Arc::from(id),
                 count: 1,
@@ -1027,6 +1053,7 @@ mod merge_tests {
         ItemEntity {
             id: 0,
             thrower: None,
+            target: None,
             stack: ItemStack {
                 item: std::sync::Arc::from(id),
                 count,

crates/horizon-client/src/entities/fluids.rs

@@ -189,6 +189,7 @@ mod tests {
                 extra: None,
             },
             thrower: None,
+            target: None,
             position: at,
             previous: at,
             velocity: Vec3::ZERO,

crates/horizon-client/src/entity.wgsl

@@ -203,7 +203,7 @@ fn crumbling_uv(uv: vec2<f32>, packed_origin: vec2<f32>, sprite_size: vec2<f32>,
     // lit texture, then the lightmap, then the glint and fog.
     color = vec4(mix(in.overlay_color.rgb, color.rgb, in.overlay_color.a), color.a);
     color *= in.light_color;
-    if in.overlay == 7u || in.overlay == 8u {
+    if in.overlay == 7u || in.overlay == 8u || in.overlay == 33u {
         // Enchantment glint (overlay 7, 8 with the hurt tint): the purple
         // enchanted_glint sheen drifting diagonally over the item's shape.
         let px = in.uv * vec2<f32>(textureDimensions(atlas));
@@ -219,11 +219,32 @@ fn crumbling_uv(uv: vec2<f32>, packed_origin: vec2<f32>, sprite_size: vec2<f32>,
     return vec4(mix(color.rgb, globals.fog_color.rgb, f * globals.fog_color.a), color.a);
 }
 
+// rendertype_outline.fsh: the vertex colour (the team colour; outline vertices carry no
+// normal, so no cardinal light) wherever the texture is not fully clear.
+@fragment fn fs_outline(in: Out) -> @location(0) vec4<f32> {
+    if textureSample(atlas, atlas_sampler, in.uv).a == 0.0 { discard; }
+    return vec4(in.color.rgb, 1.0);
+}
+
 @fragment fn fs_celestial(in: Out) -> @location(0) vec4<f32> {
     let color = textureSample(atlas, atlas_sampler, in.uv) * in.color * in.light_color;
     return color;
 }
 
+// RenderPipelines.ENERGY_SWIRL (entity.fsh with EMISSIVE and NO_OVERLAY): the sprite, scrolled by
+// the UV and repeated within itself, times the layer colour 0xFF808080, unlit; the pipeline adds
+// it to the frame. The light bytes carry the sprite's origin and the colour bytes its size, both
+// as breaking::stage_light packs them.
+@fragment fn fs_energy_swirl(in: Out) -> @location(0) vec4<f32> {
+    let bytes = round(in.color * 255.0);
+    let size = vec2(bytes.x + bytes.y * 256.0, bytes.z + bytes.w * 256.0) / 65535.0;
+    let color = textureSample(atlas, atlas_sampler, crumbling_uv(in.uv, in.wrap, size, textureDimensions(atlas)));
+    if color.a < 0.1 { discard; }
+    let f = max(linear_fog(in.spherical, globals.fog.x, globals.fog.y),
+                linear_fog(in.cylindrical, globals.fog.z, globals.fog.w));
+    return vec4(mix(color.rgb * (128.0 / 255.0), globals.fog_color.rgb, f * globals.fog_color.a), color.a);
+}
+
 // RenderPipelines.WATER_MASK: depth only (the pipeline masks the colour off).
 @fragment fn fs_water_mask() -> @location(0) vec4<f32> {
     return vec4(0.0);

crates/horizon-client/src/entity_nbt.rs

@@ -187,6 +187,31 @@ pub fn mob_to_nbt(m: &Mob, uuid: [i32; 4], raw: Option<&Tag>) -> Tag {
             map.remove(&horizon_world::nbt::JavaString::from(key));
         }
     }
+    // LivingEntity.addAdditionalSaveData: `active_effects` only when there are
+    // any (MobEffectInstance.CODEC; a mob's effects are never ambient, and one
+    // given with `hideParticles` shows neither particles nor its icon).
+    if m.extra.effects.is_empty() {
+        map.remove(&horizon_world::nbt::JavaString::from("active_effects"));
+    } else {
+        let effects = m
+            .extra
+            .effects
+            .iter()
+            .map(|&(effect, duration, amplifier)| {
+                let shown = !m.extra.hidden_effects.contains(&effect);
+                let mut e = vec![
+                    ("id", string(crate::brewing::namespaced(effect))),
+                    ("amplifier", Tag::Byte(amplifier.clamp(0, 255) as u8 as i8)),
+                    ("duration", Tag::Int(duration)),
+                ];
+                if !shown {
+                    e.push(("show_particles", Tag::Byte(0)));
+                }
+                e.push(("show_icon", Tag::Byte(i8::from(shown))));
+                Tag::compound(e)
+            });
+        map.insert("active_effects".into(), Tag::List(effects.collect()));
+    }
     map.insert(
         "Invulnerable".into(),
         Tag::Byte(i8::from(m.invulnerable_flag)),
@@ -278,6 +303,18 @@ pub fn mob_to_nbt(m: &Mob, uuid: [i32; 4], raw: Option<&Tag>) -> Tag {
             map.entry("sound_variant".into())
                 .or_insert_with(|| string("minecraft:classic"));
         }
+        "minecraft:panda" => {
+            use crate::mobs::panda::GENES;
+            for (key, gene) in [
+                ("MainGene", m.extra.variant),
+                ("HiddenGene", m.extra.variant2),
+            ] {
+                map.insert(
+                    key.into(),
+                    string(GENES[usize::from(gene).min(GENES.len() - 1)]),
+                );
+            }
+        }
         "minecraft:piglin" | "minecraft:piglin_brute" | "minecraft:hoglin" => {
             // Only Piglin.addAdditionalSaveData writes CannotHunt.
             if id == "minecraft:piglin_brute" {
@@ -426,7 +463,42 @@ pub fn mob_to_nbt(m: &Mob, uuid: [i32; 4], raw: Option<&Tag>) -> Tag {
             crate::mobs::villager::write_nbt(m, map);
         }
         "minecraft:wandering_trader" => put_offers(map, m),
-        "minecraft:axolotl" => write_axolotl_memories(m, map),
+        "minecraft:axolotl" => {
+            write_axolotl_memories(m, map);
+            map.insert(
+                "Variant".into(),
+                Tag::Int(i32::from(m.extra.variant.min(4))),
+            );
+        }
+        // Rabbit.addAdditionalSaveData (the legacy id; 99 is the killer bunny).
+        "minecraft:rabbit" => {
+            map.insert("RabbitType".into(), Tag::Int(i32::from(m.extra.variant)));
+        }
+        "minecraft:parrot" => {
+            map.insert(
+                "Variant".into(),
+                Tag::Int(i32::from(m.extra.variant.min(4))),
+            );
+            if let Some(owner) = m.extra.owner {
+                map.insert("Owner".into(), Tag::IntArray(owner.to_vec()));
+            } else {
+                map.remove(&"Owner".into());
+            }
+            map.insert("Sitting".into(), Tag::Byte(i8::from(m.extra.sitting)));
+        }
+        "minecraft:salmon" => {
+            let size = SALMON_SIZES[usize::from(m.extra.variant).min(2)];
+            map.insert("type".into(), string(size));
+        }
+        // TropicalFish.addAdditionalSaveData: the packed variant.
+        "minecraft:tropical_fish" => {
+            let pattern = m.extra.variant.min(11);
+            let packed = i32::from(pattern >= 6)
+                | i32::from(pattern % 6) << 8
+                | i32::from(m.extra.variant2 & 15) << 16
+                | i32::from(m.extra.variant3 & 15) << 24;
+            map.insert("Variant".into(), Tag::Int(packed));
+        }
         "minecraft:allay" => {
             // InventoryCarrier: the fetched stack; the liked player memory.
             let mut inv = Vec::new();
@@ -450,7 +522,10 @@ pub fn mob_to_nbt(m: &Mob, uuid: [i32; 4], raw: Option<&Tag>) -> Tag {
                         "memories",
                         Tag::compound([(
                             "minecraft:liked_player",
-                            Tag::compound([("value", Tag::IntArray(vec![0, 0, 0, 1]))]),
+                            Tag::compound([(
+                                "value",
+                                Tag::IntArray(m.extra.owner.unwrap_or([0, 0, 0, 1]).to_vec()),
+                            )]),
                         )]),
                     )]),
                 );
@@ -500,6 +575,9 @@ pub fn mob_to_nbt(m: &Mob, uuid: [i32; 4], raw: Option<&Tag>) -> Tag {
                 map.insert("life_ticks".into(), Tag::Int(m.extra.egg_time));
             }
         }
+        "minecraft:endermite" => {
+            map.insert("Lifetime".into(), Tag::Int(m.extra.counter));
+        }
         "minecraft:shulker" => {
             map.insert("AttachFace".into(), Tag::Byte(m.extra.variant3 as i8));
             map.insert("Peek".into(), Tag::Byte(m.extra.counter as i8));
@@ -606,6 +684,17 @@ pub fn mob_to_nbt(m: &Mob, uuid: [i32; 4], raw: Option<&Tag>) -> Tag {
                 equipment.insert(slot.into(), crate::save::item_to_nbt(&stack));
                 continue;
             }
+            // A wolf's armor keeps the durability it lost.
+            if slot == "body"
+                && m.species() == crate::mobs::Species::Wolf
+                && let Some(id) = item
+            {
+                let mut stack = crate::items::ItemStack::new(id, 1);
+                stack.damage = m.extra.body_damage.max(0) as u32;
+                stack.extra = m.extra.body_extra.clone();
+                equipment.insert(slot.into(), crate::save::item_to_nbt(&stack));
+                continue;
+            }
             match item {
                 Some(id) => {
                     let keep = matches!(
@@ -854,6 +943,25 @@ pub fn mob_from_nbt(tag: &Tag, types: &HashMap<String, Arc<MobType>>, id: u32) -
     m.no_gravity = flag(tag, "NoGravity");
     m.glowing = flag(tag, "Glowing");
     m.ticks_frozen = number(tag.get("TicksFrozen")).unwrap_or(0) as i32;
+    // LivingEntity.readAdditionalSaveData: the saved `active_effects`, the last
+    // entry of an effect winning.
+    if let Some(Tag::List(effects)) = tag.get("active_effects") {
+        for e in effects {
+            let Some(def) = text(e.get("id")).and_then(|id| crate::brewing::effect(&id)) else {
+                continue;
+            };
+            let effect = crate::brewing::namespaced(def.id);
+            let duration = number(e.get("duration")).unwrap_or(0) as i32;
+            let amplifier = number(e.get("amplifier")).unwrap_or(0) as i32;
+            m.extra.effects.retain(|x| x.0 != effect);
+            m.extra.effects.push((effect, duration, amplifier));
+            // Details.CODEC: `show_particles` defaults to true.
+            m.extra.hidden_effects.retain(|h| *h != effect);
+            if number(e.get("show_particles")) == Some(0) {
+                m.extra.hidden_effects.push(effect);
+            }
+        }
+    }
     m.silent = flag(tag, "Silent");
     m.invulnerable_flag = flag(tag, "Invulnerable");
     if m.species() == crate::mobs::Species::Bat {
@@ -950,6 +1058,16 @@ pub fn mob_from_nbt(tag: &Tag, types: &HashMap<String, Arc<MobType>>, id: u32) -
                 .unwrap_or(0) as u8;
         }
     }
+    if m.species() == crate::mobs::Species::Panda {
+        let gene = |key| text(tag.get(key)).map_or(0, |n| crate::mobs::panda::gene_from_name(&n));
+        m.extra.variant = gene("MainGene");
+        m.extra.variant2 = gene("HiddenGene");
+    }
+    if m.species() == crate::mobs::Species::Parrot {
+        m.extra.owner = crate::save::uuid_from_tag(tag.get("Owner"));
+        m.extra.tame = m.extra.owner.is_some();
+        m.extra.sitting = flag(tag, "Sitting");
+    }
     if m.species() == crate::mobs::Species::Wolf {
         let health = m.health;
         m.extra.owner = crate::save::uuid_from_tag(tag.get("Owner"));
@@ -957,6 +1075,12 @@ pub fn mob_from_nbt(tag: &Tag, types: &HashMap<String, Arc<MobType>>, id: u32) -
         crate::mobs::tame::set_tame(&mut m, tame);
         m.health = health;
         m.extra.sitting = flag(tag, "Sitting");
+        let armor = tag
+            .get("equipment")
+            .and_then(|e| e.get("body"))
+            .and_then(crate::save::item_from_nbt);
+        m.extra.body_damage = armor.as_ref().map_or(0, |s| s.damage as i32);
+        m.extra.body_extra = armor.and_then(|s| s.extra);
         m.extra.color =
             number(tag.get("CollarColor")).map_or(crate::mobs::tame::RED, |c| (c as u8) & 15);
         if let Some(Tag::String(v)) = tag.get("variant") {
@@ -985,6 +1109,7 @@ pub fn mob_from_nbt(tag: &Tag, types: &HashMap<String, Arc<MobType>>, id: u32) -
     if m.species() == crate::mobs::Species::Axolotl {
         restore_axolotl_memories(&mut m, tag);
     }
+    read_variant(&mut m, tag);
     m.fire_ticks = number(tag.get("Fire")).unwrap_or(0) as i32;
     m.air = number(tag.get("Air")).unwrap_or(300) as i32;
     if m.species() == crate::mobs::Species::Allay {
@@ -994,11 +1119,14 @@ pub fn mob_from_nbt(tag: &Tag, types: &HashMap<String, Arc<MobType>>, id: u32) -
             m.extra.ints[1] = number(first.get("count")).unwrap_or(1) as i32;
         }
         m.extra.egg_time = number(tag.get("DuplicationCooldown")).unwrap_or(0) as i32;
-        m.extra.tame = tag
+        let liked = tag
             .get("Brain")
             .and_then(|b| b.get("memories"))
-            .and_then(|b| b.get("minecraft:liked_player"))
-            .is_some();
+            .and_then(|b| b.get("minecraft:liked_player"));
+        m.extra.tame = liked.is_some();
+        m.extra.owner = liked
+            .and_then(|l| l.get("value"))
+            .and_then(|v| crate::save::uuid_from_tag(Some(v)));
     }
     if crate::mobs::camel::is_camel(m.species()) {
         let sitting = matches!(tag.get("LastPoseTick"), Some(Tag::Long(v)) if *v < 0);
@@ -1070,6 +1198,9 @@ pub fn mob_from_nbt(tag: &Tag, types: &HashMap<String, Arc<MobType>>, id: u32) -
         m.extra.counter2 = number(tag.get("StunTick")).unwrap_or(0) as i32;
         m.extra.anim_ticks = number(tag.get("RoarTick")).unwrap_or(0) as i32;
     }
+    if m.species() == crate::mobs::Species::Endermite {
+        m.extra.counter = number(tag.get("Lifetime")).unwrap_or(0) as i32;
+    }
     if m.species() == crate::mobs::Species::Vex {
         if let Some(Tag::IntArray(v)) = tag.get("bound_pos")
             && v.len() == 3
@@ -1160,6 +1291,11 @@ pub fn item_entity_to_nbt(e: &ItemEntity, uuid: [i32; 4], raw: Option<&Tag>) ->
     } else if let Tag::Compound(map) = &mut tag {
         map.remove(&"Thrower".into());
     }
+    if let Some(target) = e.target {
+        put(&mut tag, "Owner", Tag::IntArray(target.to_vec()));
+    } else if let Tag::Compound(map) = &mut tag {
+        map.remove(&"Owner".into());
+    }
     tag
 }
 pub fn item_entity_from_nbt(tag: &Tag, id: u32, bob_offset: f32) -> Option<ItemEntity> {
@@ -1171,6 +1307,7 @@ pub fn item_entity_from_nbt(tag: &Tag, id: u32, bob_offset: f32) -> Option<ItemE
         id,
         stack,
         thrower: uuid_from_tag(tag.get("Thrower")),
+        target: uuid_from_tag(tag.get("Owner")),
         position,
         previous: position,
         velocity: motion(tag),
@@ -1689,6 +1826,15 @@ pub fn armor_stand_to_nbt(a: &ArmorStand, uuid: [i32; 4], raw: Option<&Tag>) ->
     }
     put(&mut tag, "Health", Tag::Float(a.health.to_bits()));
     put(&mut tag, "Fire", Tag::Short(a.fire_ticks as i16));
+    // ArmorStand.addAdditionalSaveData: the `Pose` parts that are not default.
+    let pose: Vec<(&str, Tag)> = ArmorStand::POSE_KEYS
+        .into_iter()
+        .zip(a.pose)
+        .zip(ArmorStand::DEFAULT_POSE)
+        .filter(|((_, rotation), default)| rotation != default)
+        .map(|((key, rotation), _)| (key, floats(&rotation)))
+        .collect();
+    put(&mut tag, "Pose", Tag::compound(pose));
     // LivingEntity.addAdditionalSaveData and ArmorStand's own fields.
     if let Tag::Compound(map) = &mut tag {
         for (key, value) in [
@@ -1728,6 +1874,19 @@ pub fn armor_stand_from_nbt(tag: &Tag, id: u32) -> Option<ArmorStand> {
     a.invisible = flag(tag, "Invisible");
     a.marker = flag(tag, "Marker");
     a.on_ground = flag(tag, "OnGround");
+    // ArmorStand.readAdditionalSaveData: each part of `Pose` that is a list of
+    // three numbers, the others staying at their defaults.
+    if let Some(pose) = tag.get("Pose") {
+        for (rotation, key) in a.pose.iter_mut().zip(ArmorStand::POSE_KEYS) {
+            if let Some(Tag::List(values)) = pose.get(key)
+                && values.len() == 3
+            {
+                for (r, v) in rotation.iter_mut().zip(values) {
+                    *r = float(Some(v)).unwrap_or(0.0) as f32;
+                }
+            }
+        }
+    }
     Some(a)
 }
 /// A boat entity (`minecraft:<wood>_boat`, `minecraft:bamboo_chest_raft`...):
@@ -2058,6 +2217,7 @@ mod tests {
             health: 2,
             fire_ticks: 73,
             thrower: Some([5, 6, 7, 8]),
+            target: None,
             id: 7,
             stack: ItemStack {
                 item: Arc::from("minecraft:diamond_pickaxe"),
@@ -2166,6 +2326,41 @@ fn write_axolotl_memories(m: &Mob, map: &mut Compound) {
         }
     }
 }
+/// The variant tags `Axolotl`, `Rabbit`, `Parrot`, `Salmon` and
+/// `TropicalFish` read; a missing tag is the default variant (a medium
+/// salmon, otherwise index 0).
+fn read_variant(m: &mut Mob, tag: &Tag) {
+    use crate::mobs::Species as S;
+    let int = |key| number(tag.get(key)).unwrap_or(0) as i32;
+    match m.species() {
+        S::Axolotl | S::Parrot => m.extra.variant = int("Variant").clamp(0, 4) as u8,
+        // Rabbit.Variant.LEGACY_CODEC: an unknown id is brown.
+        S::Rabbit => {
+            m.extra.variant = match int("RabbitType") {
+                v @ (0..=5 | 99) => v as u8,
+                _ => 0,
+            }
+        }
+        S::Salmon => {
+            m.extra.variant = text(tag.get("type"))
+                .and_then(|t| SALMON_SIZES.iter().position(|v| *v == t))
+                .unwrap_or(1) as u8;
+        }
+        S::TropicalFish => {
+            let packed = int("Variant");
+            let (size, index) = (packed & 0xFF, (packed >> 8) & 0xFF);
+            // TropicalFish.Pattern.byId: an unknown id is a kob.
+            m.extra.variant = if size <= 1 && index < 6 {
+                (size * 6 + index) as u8
+            } else {
+                0
+            };
+            m.extra.variant2 = ((packed >> 16) & 15) as u8;
+            m.extra.variant3 = ((packed >> 24) & 15) as u8;
+        }
+        _ => {}
+    }
+}
 fn restore_axolotl_memories(m: &mut Mob, tag: &Tag) {
     let memories = tag.get("Brain").and_then(|b| b.get("memories"));
     let ttl = memories

crates/horizon-client/src/first_person.rs

@@ -26,6 +26,13 @@ pub enum ItemPose {
     Bow {
         ticks_used: f32,
     },
+    /// A spear being charged (`ItemUseAnimation.SPEAR`): the time held and
+    /// the ticks since its last hit's feedback.
+    Spear {
+        kinetic: crate::spear::Kinetic,
+        time_held: f32,
+        ticks_since_hit: f32,
+    },
     Crossbow {
         ticks_used: Option<f32>,
         charge_duration: f32,
@@ -69,6 +76,16 @@ pub fn item_pose(left: bool, inverse_height: f32, attack: f32, pose: ItemPose) -
     if matches!(pose, ItemPose::Using) {
         return m;
     }
+    // The spear's own place in the hand, without the equip height.
+    if let ItemPose::Spear {
+        kinetic,
+        time_held,
+        ticks_since_hit,
+    } = pose
+    {
+        return Mat4::from_translation(Vec3::new(invert * 0.56, -0.52, -0.72))
+            * crate::spear::first_person_use(&kinetic, ticks_since_hit, time_held, !left);
+    }
     if matches!(pose, ItemPose::SpinAttack) {
         return m
             * Mat4::from_translation(Vec3::new(invert * -0.4, 0.8, 0.3))

crates/horizon-client/src/fog.rs

@@ -203,6 +203,13 @@ pub struct FogInputs<'a> {
     /// `BossHealthOverlay.shouldCreateWorldFog`: a boss bar with
     /// `createWorldFog` is shown (the Ender Dragon's).
     pub boss_world_fog: bool,
+    /// The camera entity is a spectator (`LavaFogEnvironment`).
+    pub spectator: bool,
+    /// The camera entity has Fire Resistance (`LavaFogEnvironment`).
+    pub fire_resistance: bool,
+    /// `GameRenderer.nightVisionScale` while Night Vision is on without
+    /// Darkness, else 0 (`FogRenderer.computeFogColor`'s brightenFactor).
+    pub night_vision: f32,
 }
 
 /// `FogRenderer.setupFog` + `computeFogColor`.
@@ -272,7 +279,11 @@ pub fn setup_fog(tables: &FogTables, state: &FogState, input: &FogInputs) -> Fog
         color[1] += (color[1] * 0.6 - color[1]) * t;
         color[2] += (color[2] * 0.6 - color[2]) * t;
     }
-    let brighten = if eye_in_water { water_vision } else { 0.0 };
+    let brighten = if eye_in_water {
+        water_vision
+    } else {
+        input.night_vision
+    };
     if color.iter().all(|&c| c != 0.0) {
         let scale = 1.0 / color[0].max(color[1]).max(color[2]);
         color = color.map(|c| c + (c * scale - c) * brighten);
@@ -288,10 +299,16 @@ pub fn setup_fog(tables: &FogTables, state: &FogState, input: &FogInputs) -> Fog
     };
     match input.fog_type {
         FogType::Lava => {
-            fog.environmental_start = 0.25;
-            fog.environmental_end = 1.0;
-            fog.sky_end = 1.0;
-            fog.cloud_end = 1.0;
+            // LavaFogEnvironment.setupFog.
+            (fog.environmental_start, fog.environmental_end) = if input.spectator {
+                (-8.0, rd * 0.5)
+            } else if input.fire_resistance {
+                (0.0, 5.0)
+            } else {
+                (0.25, 1.0)
+            };
+            fog.sky_end = fog.environmental_end;
+            fog.cloud_end = fog.environmental_end;
         }
         FogType::PowderSnow => {
             fog.environmental_start = 0.0;
@@ -405,6 +422,9 @@ mod tests {
             darkness: None,
             darken_world: 0.0,
             boss_world_fog: false,
+            spectator: false,
+            fire_resistance: false,
+            night_vision: 0.0,
         }
     }
     #[test]

crates/horizon-client/src/font.rs

@@ -889,12 +889,17 @@ impl Font {
         if s.contains('§') {
             return self.width_text(&Text::legacy(s));
         }
-        s.chars().map(|c| self.glyph(c).advance).sum::<f32>().ceil()
+        crate::bidi::visual_str(s)
+            .chars()
+            .map(|c| self.glyph(c).advance)
+            .sum::<f32>()
+            .ceil()
     }
     /// Font.width of a component: `§` codes in the spans are formatting,
-    /// not glyphs.
+    /// not glyphs. Right-to-left text is measured as it is drawn, shaped.
     pub fn width_text(&self, t: &Text) -> f32 {
-        t.resolved()
+        let t = t.resolved();
+        crate::bidi::visual(&t)
             .chars()
             .map(|(c, s)| self.advance(c, s))
             .sum::<f32>()

crates/horizon-client/src/game/advancements.rs

@@ -21,6 +21,9 @@ pub(super) struct Toast {
     frame: Frame,
     title: Text,
     slide: Slide,
+    /// `ToastInstance.firstSlotIndex`: the 32-pixel slot it stacks in once it
+    /// leaves the queue.
+    slot: Option<usize>,
     /// A `RecipeToast`: the crafting station and result of each display
     /// unlocked while it lasts (`recipeItems`); empty for an advancement.
     recipes: Vec<(String, ItemStack)>,
@@ -36,6 +39,7 @@ impl Toast {
             frame: Frame::Task,
             title: Text::literal(""),
             slide: Slide::default(),
+            slot: None,
             recipes: items,
             changed: true,
             last_changed: 0,
@@ -524,6 +528,7 @@ impl Game<'_> {
                     frame: d.frame,
                     title: text_of(&d.title),
                     slide: Slide::default(),
+                    slot: None,
                     recipes: Vec::new(),
                     changed: false,
                     last_changed: 0,
@@ -546,10 +551,17 @@ impl Game<'_> {
                             .announced
                             .push(Text::translate(key, &[player, name]));
                     }
-                    None => self.system_message(Text::translate(
-                        key,
-                        &[Text::literal(super::chat::PLAYER_NAME), name],
-                    )),
+                    None => {
+                        let text = Text::translate(key, &[self.player_display_text(), name]);
+                        // The guests hear of the host's advancement too.
+                        if let Some(host) = &self.lan {
+                            host.hub
+                                .system_message(horizon_client::lan::data::component_nbt(
+                                    &text.component(),
+                                ));
+                        }
+                        self.system_message(text);
+                    }
                 }
             }
         }
@@ -806,58 +818,105 @@ impl Game<'_> {
             c["from"].as_str().is_none_or(|f| f == from) && c["to"].as_str().is_none_or(|t| t == to)
         });
     }
-    /// `ToastManager` with the `AdvancementToast` and the `RecipeToast`,
-    /// one at a time.
-    pub(super) fn draw_toasts(&mut self, batch: &mut HudBatch) {
+    /// `ToastManager.SLOT_COUNT`.
+    pub(super) const TOAST_SLOTS: usize = 5;
+    /// `ToastManager.update` and `extractRenderState` for the `AdvancementToast`s and
+    /// `RecipeToast`s: up to five stack in 32-pixel slots, the rest queue. `hidden` (F1)
+    /// keeps them timing out without drawing them.
+    pub(super) fn draw_toasts(&mut self, batch: &mut HudBatch, hidden: bool) {
         let multiplier = f64::from(self.settings.notification_display_time);
-        let Some(t) = self.adv.toasts.front_mut() else {
-            return;
-        };
-        let first = t.slide.origin.is_none();
-        let origin = *t.slide.origin.get_or_insert_with(Instant::now);
-        let now = origin.elapsed().as_millis() as i64;
-        let mut slide = std::mem::take(&mut t.slide);
-        let (sound, finished) = slide.update(now, |fully| t.wants_show(fully, multiplier));
-        t.slide = slide;
-        if finished {
-            self.adv.toasts.pop_front();
+        let mut sound_played = false;
+        let mut i = 0;
+        while i < self.adv.toasts.len() {
+            let t = &mut self.adv.toasts[i];
+            if t.slot.is_none() {
+                i += 1;
+                continue;
+            }
+            let origin = *t.slide.origin.get_or_insert_with(Instant::now);
+            let now = origin.elapsed().as_millis() as i64;
+            let mut slide = std::mem::take(&mut t.slide);
+            let (sound, finished) = slide.update(now, |fully| t.wants_show(fully, multiplier));
+            t.slide = slide;
+            if finished {
+                self.adv.toasts.remove(i);
+                continue;
+            }
+            // Only the first visibility change of an update plays its sound.
+            if let Some(show) = sound
+                && !std::mem::replace(&mut sound_played, true)
+            {
+                let event = if show { "ui.toast.in" } else { "ui.toast.out" };
+                self.audio
+                    .play(&format!("minecraft:{event}"), None, 1.0, 1.0);
+            }
+            i += 1;
+        }
+        // The queued toasts take the free slots in order; a challenge's own sound
+        // plays once as it leaves the queue.
+        let mut used = self.toast_slots_used();
+        let mut challenge_sound = false;
+        for t in &mut self.adv.toasts {
+            if t.slot.is_some() {
+                continue;
+            }
+            let Some(slot) = (0..Self::TOAST_SLOTS).find(|s| used & (1 << s) == 0) else {
+                break;
+            };
+            used |= 1 << slot;
+            t.slot = Some(slot);
+            challenge_sound |= !t.is_recipe() && t.frame == Frame::Challenge;
+        }
+        if challenge_sound {
+            self.audio
+                .play("minecraft:ui.toast.challenge_complete", None, 1.0, 1.0);
+        }
+        if hidden {
             return;
         }
+        for i in 0..self.adv.toasts.len() {
+            if let Some(slot) = self.adv.toasts[i].slot {
+                self.draw_toast(batch, i, 32.0 * slot as f32, multiplier);
+            }
+        }
+    }
+    /// The slots held by shown advancement, recipe and pack toasts, as bits.
+    pub(super) fn toast_slots_used(&self) -> u32 {
+        let packs = self.server_packs.toast_slots();
+        self.adv
+            .toasts
+            .iter()
+            .filter_map(|t| t.slot)
+            .chain(packs)
+            .fold(0, |used, slot| used | 1 << slot)
+    }
+    /// The `AdvancementToast` or `RecipeToast` at `index` in its slot at `y`.
+    fn draw_toast(&mut self, batch: &mut HudBatch, index: usize, y: f32, multiplier: f64) {
+        let t = &self.adv.toasts[index];
         let x = batch.width - 160.0 * t.slide.portion;
         let fully_for = t.slide.fully_for;
         let (title, frame, icon) = (t.title.clone(), t.frame, t.icon.clone());
         let recipe = t
             .is_recipe()
             .then(|| t.recipes[t.displayed_recipe(fully_for, multiplier)].clone());
-        // ToastManager.update: the sound of the new visibility, and a
-        // challenge's own sound as it leaves the queue.
-        if let Some(show) = sound {
-            let event = if show { "ui.toast.in" } else { "ui.toast.out" };
-            self.audio
-                .play(&format!("minecraft:{event}"), None, 1.0, 1.0);
-        }
-        if first && recipe.is_none() && frame == Frame::Challenge {
-            self.audio
-                .play("minecraft:ui.toast.challenge_complete", None, 1.0, 1.0);
-        }
         if let Some((station, item)) = recipe {
             // RecipeToast: black description under a purple title, the
             // station at 0.6 scale in the corner over the cycling result.
             let atlas = &self.gui.atlas;
-            batch.sprite(atlas, "gui/sprites/toast/recipe", x, 0.0);
+            batch.sprite(atlas, "gui/sprites/toast/recipe", x, y);
             let title = self.translate("recipe.toast.title", "New Recipe(s) Unlocked!");
             let description = self.translate("recipe.toast.description", "Check your recipe book");
             let atlas = &self.gui.atlas;
-            batch.text(atlas, &title, x + 30.0, 7.0, 0xFF50_0050, false);
-            batch.text(atlas, &description, x + 30.0, 18.0, 0xFF00_0000, false);
+            batch.text(atlas, &title, x + 30.0, y + 7.0, 0xFF50_0050, false);
+            batch.text(atlas, &description, x + 30.0, y + 18.0, 0xFF00_0000, false);
             let start = batch.vertices.len();
-            self.draw_item_model(batch, &ItemStack::new(&station, 1), x + 3.0, 3.0);
-            batch.scale_since(start, x, 0.0, 0.6, 0.6);
-            self.draw_item_model(batch, &item, x + 8.0, 8.0);
+            self.draw_item_model(batch, &ItemStack::new(&station, 1), x + 3.0, y + 3.0);
+            batch.scale_since(start, x, y, 0.6, 0.6);
+            self.draw_item_model(batch, &item, x + 8.0, y + 8.0);
             return;
         }
         let atlas = &self.gui.atlas;
-        batch.sprite(atlas, "gui/sprites/toast/advancement", x, 0.0);
+        batch.sprite(atlas, "gui/sprites/toast/advancement", x, y);
         let (key, color) = match frame {
             Frame::Task => ("advancements.toast.task", 0xFF00_FFFF),
             Frame::Goal => ("advancements.toast.goal", 0xFF00_FFFF),
@@ -867,12 +926,12 @@ impl Game<'_> {
             atlas,
             &Text::translate(key, &[]),
             x + 30.0,
-            7.0,
+            y + 7.0,
             color,
             false,
         );
-        batch.text_styled(atlas, &title, x + 30.0, 18.0, u32::MAX, false);
-        self.draw_item(batch, &ItemStack::new(&icon, 1), x + 8.0, 8.0);
+        batch.text_styled(atlas, &title, x + 30.0, y + 18.0, u32::MAX, false);
+        self.draw_item(batch, &ItemStack::new(&icon, 1), x + 8.0, y + 8.0);
     }
 }
 /// `Advancement.name`: the bracketed title in the frame's colour, with the
@@ -1053,6 +1112,7 @@ impl Game<'_> {
                     frame: d.frame,
                     title: text_of(&d.title),
                     slide: Slide::default(),
+                    slot: None,
                     recipes: Vec::new(),
                     changed: false,
                     last_changed: 0,

crates/horizon-client/src/game/allays.rs

@@ -8,7 +8,6 @@ use horizon_core::random::RandomSource;
 impl Game<'_> {
     pub(super) fn tick_allays(&mut self) {
         let griefing = self.ui.rules.bool("mob_griefing");
-        let player = self.player.as_ref().map(|p| p.position);
         // The playing jukeboxes, found at the first allay: no allay starts
         // or stops one, and the block entities run into the thousands.
         let mut jukeboxes: Option<Vec<(i32, i32, i32)>> = None;
@@ -58,7 +57,7 @@ impl Game<'_> {
             };
             let Some((j, _)) = wanted else {
                 self.mobs[i].extra.point = None;
-                self.allay_deliver(i, player);
+                self.allay_deliver(i);
                 continue;
             };
             let e = &self.dropped[j];
@@ -90,14 +89,46 @@ impl Game<'_> {
             }
         }
     }
+    /// `AllayAi.getLikedPlayer`: the player the allay was given an item by,
+    /// found by UUID among the host and the guests of the level (the window
+    /// is a guest on the server thread), when they are not a spectator and
+    /// within 64 blocks.
+    fn allay_liked_player(&self, i: usize) -> Option<horizon_core::geometry::Vec3> {
+        let m = &self.mobs[i];
+        if !m.extra.tame {
+            return None;
+        }
+        // An allay saved before its player was kept belongs to the host.
+        let uuid = m
+            .extra
+            .owner
+            .filter(|u| *u != [0, 0, 0, 1])
+            .or(self.level.player_uuid)
+            .unwrap_or([0, 0, 0, 1]);
+        let host = self
+            .player_view()
+            .filter(|p| !p.spectator && self.level.player_uuid.unwrap_or([0, 0, 0, 1]) == uuid)
+            .map(|p| p.position);
+        let found = host.or_else(|| {
+            self.lan_present()
+                .into_iter()
+                .find(|p| p.uuid == uuid && !p.spectator)
+                .map(|p| {
+                    horizon_core::geometry::Vec3::new(p.position[0], p.position[1], p.position[2])
+                })
+        });
+        found.filter(|p| p.distance_squared(m.position) < 64.0 * 64.0)
+    }
     /// `GoAndGiveItemsToTarget` / `AllayAi.throwItem`: within 3 blocks of
     /// the deposit, one item a tick, each restarting the three-second pause
     /// before it picks anything up again.
-    fn allay_deliver(&mut self, i: usize, player: Option<horizon_core::geometry::Vec3>) {
+    fn allay_deliver(&mut self, i: usize) {
         let m = &self.mobs[i];
         if m.extra.ints[1] <= 0 {
             return;
         }
+        let player = self.allay_liked_player(i);
+        let m = &self.mobs[i];
         let target = match m.extra.home.filter(|_| m.extra.ints[2] > 0) {
             Some(h) => horizon_core::geometry::Vec3::new(
                 f64::from(h[0]) + 0.5,
@@ -166,11 +197,14 @@ impl Game<'_> {
             self.consume_held();
             return true;
         }
+        let acting = self.acting_uuid();
         let holds = m.extra.main_hand.is_some();
         if !holds && !item.is_empty() {
             let m = &mut self.mobs[index];
             m.extra.main_hand = Some(item.into());
             m.extra.tame = true;
+            // `Allay.mobInteract` remembers LIKED_PLAYER by UUID.
+            m.extra.owner = Some(acting);
             self.audio
                 .play("minecraft:entity.allay.item_given", Some(at), 2.0, 1.0);
             self.consume_held();
@@ -185,6 +219,7 @@ impl Game<'_> {
                 .unwrap_or_else(|| "minecraft:air".into());
             let carried = std::mem::take(&mut m.extra.ints[1]);
             m.extra.tame = false;
+            m.extra.owner = None;
             self.audio
                 .play("minecraft:entity.allay.item_taken", Some(at), 2.0, 1.0);
             if carried > 0 {

crates/horizon-client/src/game/armor_stands.rs

@@ -627,21 +627,8 @@ impl Game<'_> {
                 * glam::Mat4::from_scale(glam::Vec3::new(-1.0, -1.0, 1.0))
                 * glam::Mat4::from_translation(glam::Vec3::new(0.0, -1.501, 0.0));
             let mut poses = Poses::new(model);
-            // ArmorStand.DEFAULT_*_POSE and ArmorStandModel part visibility.
-            let deg = |v: f32| v.to_radians();
-            for (name, rot) in [
-                ("left_arm", [-10.0, 0.0, -10.0]),
-                ("right_arm", [-15.0, 0.0, 10.0]),
-                ("left_leg", [-1.0, 0.0, -1.0]),
-                ("right_leg", [1.0, 0.0, 1.0]),
-            ] {
-                if poses.has(name) {
-                    let pose = poses.get(name);
-                    pose[3] = deg(rot[0]);
-                    pose[4] = deg(rot[1]);
-                    pose[5] = deg(rot[2]);
-                }
-            }
+            // ArmorStandModel.setupAnim: the stand's pose and part visibility.
+            apply_pose(&mut poses, &a.pose);
             // Item layers pose from the hidden arms too (`visible` only skips drawing).
             let posed = poses.clone();
             let mut hide = |name: &str| {
@@ -711,7 +698,9 @@ impl Game<'_> {
                 let color = undyed.map_or(0xFFFF_FFFF, |c| {
                     0xFF00_0000 | (c & 0xFF) << 16 | (c & 0xFF00) | (c >> 16) & 0xFF
                 });
-                let layer_poses = Poses::new(part);
+                // ArmorStandArmorModel.setupAnim: the same pose as the stand.
+                let mut layer_poses = Poses::new(part);
+                apply_pose(&mut layer_poses, &a.pose);
                 horizon_client::mobs::render::draw(
                     part,
                     base,
@@ -743,6 +732,33 @@ impl Game<'_> {
         }
     }
 }
+/// The `Pose` rotations on the parts of an armor stand model or its armor
+/// (`ArmorStandArmorModel.setupAnim`); the body also turns the sticks.
+fn apply_pose(poses: &mut Poses, pose: &[[f32; 3]; 6]) {
+    let parts: [&[&str]; 6] = [
+        &["head"],
+        &[
+            "body",
+            "right_body_stick",
+            "left_body_stick",
+            "shoulder_stick",
+        ],
+        &["left_arm"],
+        &["right_arm"],
+        &["left_leg"],
+        &["right_leg"],
+    ];
+    for (names, rotation) in parts.into_iter().zip(pose) {
+        for name in names {
+            if poses.has(name) {
+                let part = poses.get(name);
+                part[3] = rotation[0].to_radians();
+                part[4] = rotation[1].to_radians();
+                part[5] = rotation[2].to_radians();
+            }
+        }
+    }
+}
 fn overlaps(a: Aabb, b: Aabb) -> bool {
     let (a0, a1, b0, b1) = (
         a.min_position(),

crates/horizon-client/src/game/block_entity_anims.rs

@@ -547,7 +547,7 @@ impl Game<'_> {
         });
     }
     /// `Entity.isInRain`: rain at the block position or at the top of the box.
-    fn in_rain(&mut self, at: Vec3, top: f64) -> bool {
+    pub(super) fn in_rain(&mut self, at: Vec3, top: f64) -> bool {
         let p = BlockPos::new(
             at.x.floor() as i32,
             at.y.floor() as i32,

crates/horizon-client/src/game/block_items.rs

@@ -4,9 +4,13 @@
 //! placed item gives its block entity.
 use super::Game;
 use horizon_client::{
-    block_entity_item, block_entity_nbt, containers::BlockEntity, item_data, items::ItemStack, save,
+    Result, block_entity_item, block_entity_nbt, containers::BlockEntity, item_data,
+    items::ItemStack, save,
+};
+use horizon_world::{
+    nbt::{Compound, Tag},
+    registry::BlockStateId,
 };
-use horizon_world::nbt::{Compound, Tag};
 
 /// The component patch of `stack`.
 fn components(stack: &ItemStack) -> Compound {
@@ -77,6 +81,42 @@ impl Game<'_> {
         Some(stack)
     }
 
+    /// `BlockItem.updateBlockStateFromTag`: the properties of the item's
+    /// `block_state` component (a hive's honey level, a statue's pose) set on
+    /// the block just placed at `pos`. Returns the state it has now.
+    pub(super) fn apply_item_block_state(
+        &mut self,
+        pos: [i32; 3],
+        state: BlockStateId,
+        stack: &ItemStack,
+    ) -> Result<BlockStateId> {
+        let Some(Tag::Compound(saved)) =
+            stack.data().and_then(|d| d.other("minecraft:block_state"))
+        else {
+            return Ok(state);
+        };
+        let Some(current) = self.pack.assets.registry.state(state) else {
+            return Ok(state);
+        };
+        // Only the properties the block has.
+        let props: Vec<(String, String)> = saved
+            .iter()
+            .filter_map(|(k, v)| match v {
+                Tag::String(v) => Some((k.to_string_lossy(), v.to_string_lossy())),
+                _ => None,
+            })
+            .filter(|(k, v)| current.properties.get(k).is_some_and(|old| old != v))
+            .collect();
+        let props: Vec<(&str, &str)> = props.iter().map(|(k, v)| (&**k, &**v)).collect();
+        match self.with_props(state, &props) {
+            Some(new) if !props.is_empty() && new != state => {
+                self.level_set(pos, new)?;
+                Ok(new)
+            }
+            _ => Ok(state),
+        }
+    }
+
     /// `BlockItem.updateCustomBlockEntityTag` and `updateBlockEntityComponents`
     /// for the block entity just placed at `pos` from `stack`; `game_master`:
     /// the placer can use game master blocks (a dispenser can't).

crates/horizon-client/src/game/books.rs

@@ -1077,7 +1077,12 @@ impl Game<'_> {
                         BLACK,
                     );
                 }
-                let by = tr("book.byAuthor", "by %1$s").replace("%1$s", super::chat::PLAYER_NAME);
+                // BookSignScreen: `owner.getName()`, the account's name on a server.
+                let owner = self
+                    .remote
+                    .as_ref()
+                    .map_or(super::chat::PLAYER_NAME, |r| r.profile_name.as_str());
+                let by = tr("book.byAuthor", "by %1$s").replace("%1$s", owner);
                 let tw = HudBatch::text_width(atlas, &by);
                 batch.text(
                     atlas,

crates/horizon-client/src/game/brush.rs

@@ -0,0 +1,246 @@
+//! Brushing suspicious sand and gravel: `BrushItem.onUseTick` and
+//! `BrushableBlockEntity`. The block's loot table stays in its saved block
+//! entity (like a decorated pot's) until the first counted stroke rolls it.
+use super::{Game, Hit, decorated_pot, spill, view_vector};
+use horizon_client::{
+    particles::{ParticleOptions, ParticleType},
+    save,
+};
+use horizon_core::random::RandomSource;
+use std::collections::HashMap;
+
+/// `BrushItem.USE_DURATION`.
+const USE_DURATION: u32 = 200;
+
+/// A brushable block's counters. Vanilla never saves them: the block's
+/// `dusted` state is all that is left after a reload.
+#[derive(Default)]
+pub(super) struct BrushState {
+    count: i32,
+    resets_at: i64,
+    cooldown_ends_at: i64,
+    hit_face: Option<[i32; 3]>,
+}
+
+/// `BrushableBlockEntity.getCompletionState`: the `dusted` property.
+fn completion_state(count: i32) -> i32 {
+    match count {
+        0 => 0,
+        1..=2 => 1,
+        3..=5 => 2,
+        _ => 3,
+    }
+}
+
+pub(super) type Brushing = HashMap<[i32; 3], BrushState>;
+
+impl Game<'_> {
+    /// `BrushItem.onUseTick` for a brush used `ticks` ticks so far, the
+    /// hand of `slot` acting.
+    pub(super) fn tick_brush(&mut self, slot: usize, ticks: u32) {
+        // No block under the crosshair: releaseUsingItem.
+        let Some(hit) = self.pick() else {
+            self.using = None;
+            return;
+        };
+        let elapsed = ticks + 1;
+        // The last tick before the backswing.
+        if elapsed % 10 == 5 {
+            self.brush_stroke(&hit, slot);
+        }
+        // The use ends after 200 ticks; the held button starts it again.
+        self.using = (elapsed < USE_DURATION).then_some((slot, elapsed));
+    }
+
+    /// One stroke on the block aimed at: dust (this window only), the brush
+    /// sound, and the block entity's count. The brush wears when the block
+    /// changed state.
+    fn brush_stroke(&mut self, hit: &Hit, slot: usize) {
+        let state = self.world.block(hit.pos[0], hit.pos[1], hit.pos[2]);
+        let name = self.res.facts().get(state).name.clone();
+        let (sound, brushable) = match &*name {
+            "minecraft:suspicious_sand" => ("minecraft:item.brush.brushing.sand", true),
+            "minecraft:suspicious_gravel" => ("minecraft:item.brush.brushing.gravel", true),
+            _ => ("minecraft:item.brush.brushing.generic", false),
+        };
+        if self.lan_acting.is_none() {
+            self.brush_dust(hit, slot == super::shield::OFFHAND_SLOT);
+        }
+        let at = hit.pos.map(|v| f64::from(v) + 0.5);
+        self.audio.play(sound, Some(at), 1.0, 1.0);
+        if brushable && self.brush_block(hit.pos, hit.face) {
+            self.damage_held(1);
+        }
+    }
+
+    /// `BrushItem.spawnDustParticles`.
+    pub(super) fn brush_dust(&mut self, hit: &Hit, off_hand: bool) {
+        let state = self.world.block(hit.pos[0], hit.pos[1], hit.pos[2]);
+        let Some((sprite, tint)) = self.particle_sprite(state, hit.pos) else {
+            return;
+        };
+        let options = ParticleOptions::block(ParticleType::Block, sprite, tint);
+        // The arm that brushes: the main arm, or the other one for the off hand.
+        let flip = if off_hand == self.settings.main_hand_left {
+            1.0
+        } else {
+            -1.0
+        };
+        let view = view_vector(self.yaw, self.pitch);
+        // DustParticlesDelta.fromDirection.
+        let (dx, dz) = match hit.face {
+            [0, _, 0] => (view[2], -view[0]),
+            [0, 0, -1] => (1.0, -0.1),
+            [0, 0, 1] => (-1.0, 0.1),
+            [-1, 0, 0] => (-0.1, -1.0),
+            _ => (0.1, 1.0),
+        };
+        let count = 7 + self.particles.level_random().next_int_bound(5).unwrap_or(0);
+        let x = hit.point[0] - if hit.face == [-1, 0, 0] { 1.0e-6 } else { 0.0 };
+        let z = hit.point[2] - if hit.face == [0, 0, -1] { 1.0e-6 } else { 0.0 };
+        for _ in 0..count {
+            let random = self.particles.level_random();
+            let v = [
+                dx * flip * 3.0 * random.next_double(),
+                0.0,
+                dz * flip * 3.0 * random.next_double(),
+            ];
+            self.particles.add(&options, [x, hit.point[1], z], v);
+        }
+    }
+
+    /// `BrushableBlockEntity.brush`: whether the block changed (the brush wears).
+    fn brush_block(&mut self, pos: [i32; 3], face: [i32; 3]) -> bool {
+        let time = self.world.game_time;
+        let mut brush = self.brushing.remove(&pos).unwrap_or_default();
+        brush.hit_face.get_or_insert(face);
+        brush.resets_at = time + 40;
+        if time < brush.cooldown_ends_at {
+            self.brushing.insert(pos, brush);
+            return false;
+        }
+        brush.cooldown_ends_at = time + 10;
+        self.unpack_brush_loot(pos);
+        let before = completion_state(brush.count);
+        brush.count += 1;
+        if brush.count >= 10 {
+            self.brushing_completed(pos, brush.hit_face);
+            return true;
+        }
+        self.schedule_brushable_tick(pos);
+        let after = completion_state(brush.count);
+        self.brushing.insert(pos, brush);
+        if before != after {
+            self.set_dusted(pos, after);
+        }
+        false
+    }
+
+    /// `BrushableBlockEntity.unpackLootTable`: the table's roll becomes the
+    /// block entity's item.
+    fn unpack_brush_loot(&mut self, pos: [i32; 3]) {
+        let Some(mut tag) = spill::saved_entity(&self.world, pos) else {
+            return;
+        };
+        if tag.get("LootTable").is_none() {
+            return;
+        }
+        let loot = horizon_client::structure_blocks::loot_data(&self.options.resources);
+        decorated_pot::unpack_loot(
+            &mut tag,
+            loot.as_deref(),
+            &mut self.world.random,
+            &mut self.rand_sequences,
+            self.level.seed,
+        );
+        spill::put_saved_entity(&mut self.world, pos, tag);
+    }
+
+    /// `BrushableBlockEntity.brushingCompleted`: the item drops out of the
+    /// brushed face and the block turns into its sand or gravel.
+    fn brushing_completed(&mut self, pos: [i32; 3], face: Option<[i32; 3]>) {
+        let state = self.world.block(pos[0], pos[1], pos[2]);
+        let turns_into = match &*self.res.facts().get(state).name {
+            "minecraft:suspicious_sand" => "minecraft:sand",
+            "minecraft:suspicious_gravel" => "minecraft:gravel",
+            _ => "minecraft:air",
+        };
+        // dropContent: the item at the middle of the block beside that face.
+        let item = spill::saved_entity(&self.world, pos)
+            .and_then(|tag| tag.get("item").and_then(save::item_from_nbt));
+        if let Some(mut item) = item {
+            let face = face.unwrap_or([0, 1, 0]);
+            let take = 10 + self.world.random.next_int_bound(21).unwrap_or(0);
+            item.count = item.count.min(take as u32);
+            let at = [
+                f64::from(pos[0] + face[0]) + 0.5,
+                f64::from(pos[1] + face[1]) + 0.625,
+                f64::from(pos[2] + face[2]) + 0.5,
+            ];
+            self.spawn_item(item, at, [0.0; 3], 0);
+        }
+        // Level event 3008 for every player, then the block change.
+        self.level_event_at(3008, pos, state.0 as i32);
+        if let Some(base) = self.pack.assets.registry.default_state(turns_into) {
+            let _ = self.level_set(pos, base);
+        }
+    }
+
+    fn set_dusted(&mut self, pos: [i32; 3], dusted: i32) {
+        let registry = self.pack.assets.registry;
+        let Some(mut state) = registry
+            .state(self.world.block(pos[0], pos[1], pos[2]))
+            .cloned()
+        else {
+            return;
+        };
+        state.properties.insert("dusted".into(), dusted.to_string());
+        if let Ok(state) = registry.resolve(&state) {
+            let _ = self.level_set(pos, state);
+        }
+    }
+
+    fn schedule_brushable_tick(&mut self, pos: [i32; 3]) {
+        let at = horizon_core::position::BlockPos::new(pos[0], pos[1], pos[2]);
+        self.with_level(|b, level, ticks| b.schedule_tick(level, ticks, at, 2));
+    }
+
+    /// `BrushableBlockEntity.checkReset`, from `BrushableBlock.tick`: a block
+    /// left alone loses two counts, again every four ticks.
+    pub(super) fn brushable_tick(&mut self, pos: [i32; 3]) {
+        let time = self.world.game_time;
+        let Some(mut brush) = self.brushing.remove(&pos) else {
+            return;
+        };
+        let before = completion_state(brush.count);
+        if brush.count != 0 && time >= brush.resets_at {
+            brush.count = (brush.count - 2).max(0);
+            brush.resets_at = time + 4;
+        }
+        let after = completion_state(brush.count);
+        if brush.count != 0 {
+            self.brushing.insert(pos, brush);
+            self.schedule_brushable_tick(pos);
+        }
+        if before != after {
+            self.set_dusted(pos, after);
+        }
+    }
+
+    /// Level event 3008 (`LevelEventHandler`): the finished block's sound
+    /// and break particles.
+    pub(super) fn brush_complete_event(&mut self, pos: [i32; 3], data: i32) {
+        let state = horizon_world::registry::BlockStateId(data as u32);
+        let sound = match &*self.res.facts().get(state).name {
+            "minecraft:suspicious_sand" => "minecraft:item.brush.brushing.sand.complete",
+            "minecraft:suspicious_gravel" => "minecraft:item.brush.brushing.gravel.complete",
+            _ => "",
+        };
+        if !sound.is_empty() {
+            let at = pos.map(|v| f64::from(v) + 0.5);
+            // Each client plays it from the event itself.
+            self.audio.play_unshared(sound, Some(at), 1.0, 1.0);
+        }
+        self.destroy_particles(pos, state);
+    }
+}

crates/horizon-client/src/game/campfire_douse.rs

@@ -2,8 +2,60 @@
 //! shovels) put on a lit campfire puts it out.
 use super::Game;
 use horizon_client::{Result, animate_tick::make_campfire_smoke, items::ItemStack};
+use horizon_core::position::BlockPos;
+use horizon_world::chunk::BlockState;
+use winit::keyboard::KeyCode;
 
 impl Game<'_> {
+    /// The lit campfire at `pos` that `held` puts out, when the item is in
+    /// `#minecraft:douses_campfires` (`CampfireBlock.useItemOn`).
+    fn campfire_to_douse(&self, pos: [i32; 3], held: Option<&ItemStack>) -> Option<BlockState> {
+        held.filter(|s| {
+            self.res
+                .items()
+                .item_tags
+                .get("minecraft:douses_campfires")
+                .is_some_and(|members| members.contains(&*s.item))
+        })?;
+        self.pack
+            .assets
+            .registry
+            .state(self.world.block(pos[0], pos[1], pos[2]))
+            .filter(|s| matches!(&*s.name, "minecraft:campfire" | "minecraft:soul_campfire"))
+            .filter(|s| s.properties.get("lit").map(String::as_str) == Some("true"))
+            .cloned()
+    }
+
+    /// `CampfireBlock.useItemOn` as this client runs it before the server's
+    /// answer (`MultiPlayerGameMode.useItemOn`): the twenty smoke puffs of
+    /// `CampfireBlock.douse` and the campfire gone out, kept as predicted
+    /// under `seq`. The level event's sound comes from the server. True when
+    /// it doused (SUCCESS), which ends the click for both hands.
+    pub(super) fn predict_campfire_douse(
+        &mut self,
+        pos: [i32; 3],
+        held: Option<&ItemStack>,
+        seq: i32,
+    ) -> bool {
+        // Player.isSecondaryUseActive: a held item means both hands count.
+        if self.keys.contains(&KeyCode::ShiftLeft) {
+            return false;
+        }
+        let Some(mut state) = self.campfire_to_douse(pos, held) else {
+            return false;
+        };
+        let signal = state.properties.get("signal_fire").map(String::as_str) == Some("true");
+        for _ in 0..20 {
+            make_campfire_smoke(&mut self.particles, pos, signal, true);
+        }
+        state.properties.insert("lit".into(), "false".into());
+        if let Ok(unlit) = self.pack.assets.registry.resolve(&state) {
+            let at = BlockPos::new(pos[0], pos[1], pos[2]);
+            self.predict_blocks(&vec![(at, unlit)], seq);
+        }
+        true
+    }
+
     /// `CampfireBlock.useItemOn` with `held` in the hand that acts, the block
     /// at `pos` clicked: true when it doused a lit campfire (SUCCESS).
     pub(super) fn use_campfire_douse(
@@ -11,24 +63,11 @@ impl Game<'_> {
         pos: [i32; 3],
         held: Option<&ItemStack>,
     ) -> Result<bool> {
-        let Some(tool) = held.filter(|s| {
-            self.res
-                .items()
-                .item_tags
-                .get("minecraft:douses_campfires")
-                .is_some_and(|members| members.contains(&*s.item))
-        }) else {
-            return Ok(false);
-        };
-        let registry = self.pack.assets.registry;
-        let Some(mut state) = registry
-            .state(self.world.block(pos[0], pos[1], pos[2]))
-            .filter(|s| matches!(&*s.name, "minecraft:campfire" | "minecraft:soul_campfire"))
-            .filter(|s| s.properties.get("lit").map(String::as_str) == Some("true"))
-            .cloned()
+        let (Some(used), Some(mut state)) = (held.cloned(), self.campfire_to_douse(pos, held))
         else {
             return Ok(false);
         };
+        let registry = self.pack.assets.registry;
         // Level event 1009 (SOUND_EXTINGUISH_FIRE) goes to every player.
         self.level_event_at(1009, pos, 0);
         // CampfireBlock.douse: the acting client's own smoke (twenty puffs),
@@ -44,7 +83,6 @@ impl Game<'_> {
         if let Ok(unlit) = registry.resolve(&state) {
             self.level_set(pos, unlit)?;
         }
-        let used = tool.clone();
         self.damage_held(1);
         // ServerPlayerGameMode.useItemOn: the action was consumed.
         self.trigger_block("minecraft:item_used_on_block", pos, &used);

crates/horizon-client/src/game/cat_spawner.rs

@@ -0,0 +1,138 @@
+//! `CatSpawner`: every 1200 ticks a cat may appear near a random player,
+//! in a village with enough occupied beds or inside a swamp hut.
+use super::{
+    Dim, Game,
+    raids::{section, sections_to_village},
+};
+use horizon_client::mobs::{Species, spawn_rules};
+use horizon_core::{geometry::Vec3, random::RandomSource};
+
+const TICK_DELAY: i32 = 1200;
+
+impl Game<'_> {
+    /// `CatSpawner.tick` (the overworld's custom spawner).
+    pub(super) fn tick_cat_spawner(&mut self) {
+        if self.dim != Dim::Overworld {
+            return;
+        }
+        self.creatures.cat_tick -= 1;
+        if self.creatures.cat_tick > 0 {
+            return;
+        }
+        self.creatures.cat_tick = TICK_DELAY;
+        // ServerLevel.getRandomPlayer: one of the living players.
+        let alive: Vec<Vec3> = self
+            .level_players()
+            .into_iter()
+            .filter(|p| p.alive)
+            .map(|p| p.position)
+            .collect();
+        if alive.is_empty() {
+            return;
+        }
+        let pick = self
+            .world
+            .random
+            .next_int_bound(alive.len() as i32)
+            .unwrap_or(0);
+        let p = alive[pick as usize];
+        let mut offset = || {
+            let n = 8 + self.world.random.next_int_bound(24).unwrap_or(0);
+            if self.world.random.next_boolean() {
+                -n
+            } else {
+                n
+            }
+        };
+        let x = offset();
+        let z = offset();
+        let pos = [
+            p.x.floor() as i32 + x,
+            p.y.floor() as i32,
+            p.z.floor() as i32 + z,
+        ];
+        // hasChunksAt(pos +- 10)
+        let loaded = ((pos[0] - 10) >> 4..=(pos[0] + 10) >> 4).all(|cx| {
+            ((pos[2] - 10) >> 4..=(pos[2] + 10) >> 4)
+                .all(|cz| self.world.chunks.contains_key(&(cx, cz)))
+        });
+        if !loaded {
+            return;
+        }
+        let ok = spawn_rules::is_spawn_position_ok(
+            Species::Cat,
+            &self.mob_world_base(&[]),
+            pos[0],
+            pos[1],
+            pos[2],
+        );
+        if !ok {
+            return;
+        }
+        if sections_to_village(&self.village_centers(), section(pos)) <= 2 {
+            self.spawn_cat_in_village(pos);
+        } else {
+            let hut = self.structure_tag("minecraft:cats_spawn_in");
+            if self.structures_at(pos).iter().any(|s| hut.contains(s)) {
+                self.spawn_cat_in_hut(pos);
+            }
+        }
+    }
+    /// `spawnInVillage`: more than four occupied beds within 48 blocks and
+    /// fewer than five cats around.
+    fn spawn_cat_in_village(&mut self, pos: [i32; 3]) {
+        // PoiManager.getCountInRange(HOME, IS_OCCUPIED): beds villagers have claimed.
+        let mut beds: Vec<[i32; 3]> = self
+            .mobs
+            .iter()
+            .filter(|m| m.species() == Species::Villager && m.alive())
+            .filter_map(|m| m.extra.bed)
+            .filter(|b| {
+                let d = |i: usize| i64::from(b[i] - pos[i]);
+                d(0).abs() <= 48
+                    && d(2).abs() <= 48
+                    && d(0).pow(2) + d(1).pow(2) + d(2).pow(2) <= 48 * 48
+            })
+            .collect();
+        beds.sort_unstable();
+        beds.dedup();
+        if beds.len() > 4 && self.cats_near(pos, 48.0) < 5 {
+            self.spawn_cat(pos, false);
+        }
+    }
+    /// `spawnInHut`: no cat within 16 blocks; the cat stays.
+    fn spawn_cat_in_hut(&mut self, pos: [i32; 3]) {
+        if self.cats_near(pos, 16.0) == 0 {
+            self.spawn_cat(pos, true);
+        }
+    }
+    /// Cats in `AABB(pos).inflate(radius, 8, radius)`.
+    fn cats_near(&self, pos: [i32; 3], radius: f64) -> usize {
+        let [x, y, z] = pos.map(f64::from);
+        let min = Vec3::new(x - radius, y - 8.0, z - radius);
+        let max = Vec3::new(x + 1.0 + radius, y + 9.0, z + 1.0 + radius);
+        self.mobs
+            .iter()
+            .filter(|m| {
+                m.species() == Species::Cat && m.alive() && m.bounds().intersects_corners(min, max)
+            })
+            .count()
+    }
+    /// `spawnCat`: finalized for a natural spawn, black inside
+    /// `#cats_spawn_as_black` structures (`Cat.finalizeSpawn`).
+    fn spawn_cat(&mut self, pos: [i32; 3], persistent: bool) {
+        let at = [
+            f64::from(pos[0]) + 0.5,
+            f64::from(pos[1]),
+            f64::from(pos[2]) + 0.5,
+        ];
+        let Some(id) = self.spawn_mob("minecraft:cat", at, persistent) else {
+            return;
+        };
+        let black = self.structure_tag("minecraft:cats_spawn_as_black");
+        let in_black = self.structures_at(pos).iter().any(|s| black.contains(s));
+        if in_black && let Some(m) = self.mobs.iter_mut().find(|m| m.id == id) {
+            m.extra.variant = 10;
+        }
+    }
+}

crates/horizon-client/src/game/chat.rs

@@ -81,6 +81,8 @@ pub struct UiState {
     pub chat_screen: Option<ChatScreen>,
     /// When the chat screen opened (its input took the focus: the cursor blink).
     pub chat_opened: Option<std::time::Instant>,
+    /// The chat screen is `InBedChatScreen`: the sleeper's, with a Leave Bed button.
+    pub in_bed_chat: bool,
     pub registries: Registries,
     pub rules: GameRules,
     pub clock: WorldClock,
@@ -102,10 +104,25 @@ pub struct UiState {
     /// Death screen cause and when the player died (buttons wait 20 ticks).
     pub death_text: Option<Text>,
     pub died_at: Option<std::time::Instant>,
+    /// `DeathScreen.TitleConfirmScreen` and when it opened (its buttons wait
+    /// 20 ticks, `setDelay`).
+    pub death_confirm: Option<std::time::Instant>,
     /// `LivingEntity.deathTime` of the window's player: ticks since it died.
     pub death_time: u32,
 }
 
+impl UiState {
+    /// The state a window starts with: the chat remembers the commands kept
+    /// in the game folder (`ChatComponent`'s constructor).
+    pub fn new() -> Self {
+        let mut ui = Self::default();
+        if let Ok(dir) = std::env::current_dir() {
+            ui.chat.load_history(&dir);
+        }
+        ui
+    }
+}
+
 impl Game<'_> {
     /// `PlayerList.isOp` for the single-player owner: the world's Allow Commands.
     pub(super) fn allow_commands(&self) -> bool {
@@ -440,6 +457,12 @@ impl Game<'_> {
         self.capture(false);
     }
     pub(super) fn close_chat(&mut self) {
+        // InBedChatScreen.onClose: leaving the screen means getting up; the
+        // screen goes once the player has woken (`tick_in_bed_chat`).
+        if self.ui.in_bed_chat && self.sleeping.is_some() {
+            self.wake_up();
+            return;
+        }
         self.ui.chat_screen = None;
         self.ui.chat.reset_scroll();
         if self.screen == Screen::Chat {
@@ -447,6 +470,35 @@ impl Game<'_> {
             self.capture(true);
         }
     }
+    /// `Gui.tick`: a sleeper gets `InBedChatScreen`; when the player has
+    /// woken (`onPlayerWokeUp`) it closes, or turns into the plain chat
+    /// screen if something was typed.
+    pub(super) fn tick_in_bed_chat(&mut self) {
+        if self.screen != Screen::Chat {
+            self.ui.in_bed_chat = false;
+        }
+        if self.ui.in_bed_chat {
+            if self.sleeping.is_none() {
+                self.ui.in_bed_chat = false;
+                let text = self
+                    .ui
+                    .chat_screen
+                    .as_ref()
+                    .map_or_else(String::new, |s| s.value().to_owned());
+                self.close_chat();
+                if !text.is_empty() {
+                    self.open_chat(&text);
+                }
+            }
+        } else if self.sleeping.is_some() && self.screen == Screen::Playing {
+            self.open_chat("");
+            self.ui.in_bed_chat = self.screen == Screen::Chat;
+        }
+    }
+    /// The Leave Bed button of `InBedChatScreen`: its bounds.
+    fn leave_bed_button(width: f32, height: f32) -> (i32, i32, i32, i32) {
+        (width as i32 / 2 - 100, height as i32 - 40, 200, 20)
+    }
     /// `Minecraft.computeChatAbilities` from the Chat option.
     pub(super) fn chat_abilities(&self) -> ChatAbilities {
         ChatAbilities::new(ChatVisibility::from_option(self.settings.chat_visibility))
@@ -559,7 +611,15 @@ impl Game<'_> {
         match screen.key(&m, &c, &self.ui.chat.recent, key, shift, ctrl) {
             ChatAction::Close => self.close_chat(),
             ChatAction::Submit(message) => {
-                self.close_chat();
+                // InBedChatScreen sends without closing (`closeOnSubmit` is
+                // false): the box empties and the screen stays.
+                if self.ui.in_bed_chat && self.sleeping.is_some() {
+                    screen.suggest_command(&m, &c, "");
+                    self.ui.chat.reset_scroll();
+                    self.ui.chat_screen = Some(screen);
+                } else {
+                    self.close_chat();
+                }
                 if !message.is_empty() {
                     self.handle_chat_input(&message);
                 }
@@ -661,7 +721,8 @@ impl Game<'_> {
         {
             return;
         }
-        let shift = self.keys.contains(&KeyCode::ShiftLeft);
+        // ChatScreen.mouseScrolled: `hasShiftDown`, either Shift key.
+        let shift = self.has_shift_down();
         let amount = amount.clamp(-1.0, 1.0) * if shift { 1.0 } else { 7.0 };
         self.ui.chat.scroll_by(amount as i32, true);
     }
@@ -675,6 +736,16 @@ impl Game<'_> {
             dispatcher: chat_tree(&self.remote, &self.mods),
             registries: &self.ui.registries,
         };
+        if self.ui.in_bed_chat && self.sleeping.is_some() {
+            let width = self.renderer.as_ref().map_or(1280.0, |r| {
+                HudBatch::new([r.config.width, r.config.height]).width
+            });
+            let (x, y, w, h) = Self::leave_bed_button(width, height);
+            if horizon_client::screen_draw::inside((cursor.0 as i32, cursor.1 as i32), x, y, w, h) {
+                self.wake_up();
+                return;
+            }
+        }
         if let Some(screen) = self.ui.chat_screen.as_mut() {
             if screen.click(&m, &c, cursor.0 as f64, cursor.1 as f64) {
                 return;
@@ -682,12 +753,25 @@ impl Game<'_> {
         } else {
             return;
         }
-        match self.ui.chat.click_at(
+        let Some(style) = self.ui.chat.style_at(
             &self.gui.atlas.font,
             height as i32,
             cursor.0 as f64,
             cursor.1 as f64,
-        ) {
+        ) else {
+            return;
+        };
+        // ChatScreen.handleComponentClicked: with Shift held only an
+        // insertion acts, else only the click event.
+        if self.has_shift_down() {
+            if let Some(insertion) = style.insertion
+                && let Some(screen) = self.ui.chat_screen.as_mut()
+            {
+                screen.type_text(&m, &c, &insertion);
+            }
+            return;
+        }
+        match style.click {
             Some(ClickEvent::CopyToClipboard(value)) => {
                 use horizon_client::clipboard::Clipboard;
                 self.clipboard.set(&value);
@@ -700,9 +784,26 @@ impl Game<'_> {
                     screen.suggest_command(&m, &c, &command);
                 }
             }
+            Some(ClickEvent::RunCommand(command)) => self.click_command(&command),
             None => {}
         }
     }
+    /// `Screen.clickCommandAction`: run a clicked command as the player
+    /// without adding it to the chat history. A client mod's command goes
+    /// first, as `ClientPacketListener.sendUnattendedCommand` lets client
+    /// commands take it. (Vanilla asks first when the command fails to
+    /// parse; here the server answers it.)
+    fn click_command(&mut self, command: &str) {
+        let command = command.strip_prefix('/').unwrap_or(command);
+        if self.mod_command(command) {
+            return;
+        }
+        if self.remote.is_some() {
+            self.send_chat(&format!("/{command}"));
+        } else if !self.local_server_mod_command(command) {
+            self.run_command(command);
+        }
+    }
     /// Chat lines over the HUD (focused while the chat screen is open).
     pub(super) fn draw_chat(&mut self, batch: &mut HudBatch) {
         let focused = self.screen == Screen::Chat;
@@ -737,17 +838,59 @@ impl Game<'_> {
         let draws = screen.draw(&m, mouse, blink, background);
         horizon_client::screen_draw::paint(batch, &self.gui.atlas, &draws);
         self.ui.chat_screen = Some(screen);
-        // The hovered message part's tooltip, one row per line of its text.
-        if let Some(hover) = self.ui.chat.hover_at(
-            &self.gui.atlas.font,
-            batch.height as i32,
-            f64::from(self.cursor.0),
-            f64::from(self.cursor.1),
-        ) {
-            let lines = hover_rows(&hover);
+        if self.ui.in_bed_chat && self.sleeping.is_some() {
+            let (x, y, w, h) = Self::leave_bed_button(batch.width, batch.height);
+            let label = Text::literal(horizon_client::lang::get_or(
+                "multiplayer.stopSleeping",
+                "Leave Bed",
+            ));
+            let mut button = Vec::new();
+            horizon_client::screen_draw::button(
+                &mut button,
+                &m,
+                &label,
+                x,
+                y,
+                w,
+                h,
+                true,
+                horizon_client::screen_draw::inside(mouse, x, y, w, h),
+            );
+            horizon_client::screen_draw::paint(batch, &self.gui.atlas, &button);
+        }
+        // The hovered message part's tooltip (`renderComponentHoverEffect`),
+        // or the text of the message tag under the cursor.
+        let height = batch.height as i32;
+        let (cx, cy) = (f64::from(self.cursor.0), f64::from(self.cursor.1));
+        let wrap = (batch.width as i32 / 2).max(200);
+        if let Some(style) = self.ui.chat.style_at(&self.gui.atlas.font, height, cx, cy) {
+            if let Some(hover) = style.hover {
+                let lines = self.wrapped_rows(&hover, wrap);
+                self.draw_tooltip_lines(batch, &lines, self.cursor.0, self.cursor.1);
+            } else if let Some(stack) = style
+                .hover_item
+                .as_deref()
+                .and_then(horizon_client::item_data::stack_from_hover)
+                .filter(|s| self.res.items().get(&s.item).is_some())
+            {
+                self.draw_stack_tooltip(batch, &stack, self.cursor.0, self.cursor.1);
+            }
+        } else if self.ui.chat.indicator_at(height, cx, cy) {
+            // GuiMessageTag.systemSinglePlayer's text, split at 210.
+            let tag = Text::translate("chat.tag.system_single_player", &[]);
+            let lines = self.wrapped_rows(&tag, 210);
             self.draw_tooltip_lines(batch, &lines, self.cursor.0, self.cursor.1);
         }
     }
+    /// `Font.split`: a tooltip text wrapped at `width`, one white row per line.
+    fn wrapped_rows(&self, text: &Text, width: i32) -> Vec<(Text, u32)> {
+        let split = self
+            .gui
+            .atlas
+            .font
+            .split(&text.resolve_legacy(), width as f32);
+        split.into_iter().map(|row| (row, u32::MAX)).collect()
+    }
     /// Advance the overworld clock (ServerClockManager.tick) when
     /// `advance_time` allows it.
     pub(super) fn advance_clock(&mut self) {
@@ -801,7 +944,11 @@ impl Game<'_> {
     pub(super) fn load_world_state(&mut self) {
         self.ui.rules = GameRules::load(&self.world_root);
         self.ui.clock = WorldClock::default();
-        self.ui.difficulty = read_difficulty(&self.world_root).unwrap_or(2);
+        // PrimaryLevelData: the difficulty comes back from level.dat's difficulty_settings.
+        self.ui.difficulty = horizon_client::title::DIFFICULTIES
+            .iter()
+            .position(|d| *d == self.level.difficulty)
+            .map_or(2, |i| i as u8);
         if let Ok(bytes) = std::fs::read(self.world_root.join("data/minecraft/world_clocks.dat"))
             && let Ok(raw) = horizon_world::compression::Compression::Gzip.decode(&bytes, 1 << 20)
             && let Ok((root, _)) =
@@ -826,9 +973,9 @@ impl Game<'_> {
         self.build_registries();
         self.sync_rules();
     }
-    /// Save the clock and the difficulty beside level.dat (Level.write saves
-    /// the game rules: a second writer of game_rules.dat could leave it with
-    /// the rules loaded when the world opened).
+    /// Save the clock beside level.dat (Level.write saves the game rules: a
+    /// second writer of game_rules.dat could leave it with the rules loaded
+    /// when the world opened).
     pub(super) fn save_world_state(&mut self) {
         if self.world_root.as_os_str().is_empty() {
             return;
@@ -876,9 +1023,6 @@ impl Game<'_> {
         if let Err(e) = horizon_client::save::write_dat(&path, root) {
             log::warn!("the world clocks were not written: {e}");
         }
-        if let Err(e) = write_difficulty(&self.world_root, self.ui.difficulty) {
-            log::warn!("the difficulty was not written: {e}");
-        }
     }
     /// Death message in chat (CombatTracker.getDeathMessage, as far as the
     /// cause is known to the client).
@@ -886,6 +1030,7 @@ impl Game<'_> {
         let cause = self.ui.death_cause.take();
         self.ui.died_at = Some(std::time::Instant::now());
         self.ui.death_text = None;
+        self.ui.death_confirm = None;
         if !self.ui.rules.bool("show_death_messages") {
             return;
         }
@@ -900,9 +1045,19 @@ impl Game<'_> {
             None => self.combat_death_message(),
         };
         self.ui.death_text = Some(message.clone());
-        // ServerPlayer.die: a team that hides death messages keeps it out of
-        // the dying player's own chat (the death screen still shows it).
-        if horizon_client::scoreboard::own_death_message_shown(self.player_team()) {
+        // ServerPlayer.die: the team's death message visibility decides who
+        // hears it, the dying player's own chat included (the death screen
+        // still shows it).
+        let board = &self.score.board;
+        if let Some(host) = &self.lan {
+            host.hub.system_message_to(
+                horizon_client::lan::data::component_nbt(&message.component()),
+                |other| {
+                    horizon_client::scoreboard::death_message_reaches(board, PLAYER_NAME, other)
+                },
+            );
+        }
+        if horizon_client::scoreboard::death_message_reaches(board, PLAYER_NAME, PLAYER_NAME) {
             self.system_message(message);
         }
     }
@@ -988,60 +1143,9 @@ pub fn screenshot_name(dir: &std::path::Path) -> String {
         n += 1;
     }
 }
-fn read_difficulty(world: &std::path::Path) -> Option<u8> {
-    let bytes = std::fs::read(world.join("level.dat")).ok()?;
-    let raw = horizon_world::compression::Compression::Gzip
-        .decode(&bytes, 64 << 20)
-        .ok()?;
-    let (root, _) =
-        horizon_world::nbt::read_named(&raw, horizon_world::nbt::Limits::default()).ok()?;
-    match root.tag.get("Data")?.get("Difficulty")? {
-        horizon_world::nbt::Tag::Byte(b) => Some((*b).clamp(0, 3) as u8),
-        _ => None,
-    }
-}
-/// Patch `Data.Difficulty` in level.dat (Level::write stores the default).
-fn write_difficulty(world: &std::path::Path, difficulty: u8) -> horizon_client::Result<()> {
-    use horizon_world::{compression::Compression, nbt};
-    let path = world.join("level.dat");
-    let bytes = std::fs::read(&path)?;
-    let raw = Compression::Gzip.decode(&bytes, 64 << 20)?;
-    let (mut root, _) = nbt::read_named(&raw, nbt::Limits::default()).map_err(|e| e.to_string())?;
-    if let Some(data) = root.tag.get_mut("Data")
-        && let Some(d) = data.get_mut("Difficulty")
-    {
-        *d = nbt::Tag::Byte(difficulty as i8);
-    }
-    let out = nbt::write_named(&root, nbt::Limits::default()).map_err(|e| e.to_string())?;
-    std::fs::write(&path, Compression::Gzip.encode(&out)?)?;
-    Ok(())
-}
 
 /// `IntegratedServer.getProfilePermissions` for the owner: `OWNER` (4) when
 /// commands are allowed, else `ALL` (0).
 fn owner_permission(allow_commands: bool) -> u8 {
     if allow_commands { 4 } else { 0 }
 }
-
-/// A hover text's rows for the tooltip: split at line breaks, each in the
-/// colour of its first styled character (white without one).
-fn hover_rows(hover: &horizon_client::text::Text) -> Vec<(String, u32)> {
-    let mut rows = vec![(String::new(), None)];
-    for (c, style) in hover.resolve_legacy().chars() {
-        if c == '\n' {
-            rows.push((String::new(), None));
-            continue;
-        }
-        let row = rows.last_mut().expect("one row");
-        if row.0.is_empty() {
-            row.1 = style.color;
-        }
-        row.0.push(c);
-    }
-    rows.into_iter()
-        .map(|(text, color)| {
-            let [_, r, g, b] = color.unwrap_or(0xFF_FFFF).to_be_bytes();
-            (text, horizon_client::hud::rgba(r, g, b, 255))
-        })
-        .collect()
-}

crates/horizon-client/src/game/chiseled_bookshelf.rs

@@ -0,0 +1,178 @@
+//! Chiseled bookshelves: `ChiseledBookShelfBlock.useItemOn` / `useWithoutItem`
+//! (a book into the slot under the crosshair, or out of it) and
+//! `ChiseledBookShelfBlockEntity.updateState`, which also follows the books a
+//! hopper or dropper moved (`machines::container_changed`). The slots' books
+//! show through the block state's `slot_N_occupied`, which reaches a server's
+//! clients with the block update.
+use super::{Game, Hit, machines::dir_from_name};
+use horizon_client::{containers::BlockEntity, items::ItemStack, mobs::Who};
+use horizon_core::{
+    geometry::{Direction, Vec3},
+    position::BlockPos,
+};
+use horizon_world::level::{flags, hit_slot};
+
+const BLOCK: &str = "minecraft:chiseled_bookshelf";
+
+impl Game<'_> {
+    /// `useItemOn` with `held` in the acting hand, then `useWithoutItem` on
+    /// the main hand's turn: None when the block passes the click, else
+    /// whether the use succeeded and the arm swings (a click on an empty slot
+    /// without a book only consumes it).
+    pub(super) fn use_chiseled_bookshelf(
+        &mut self,
+        hit: &Hit,
+        held: Option<&ItemStack>,
+    ) -> Option<bool> {
+        let pos = hit.pos;
+        let state = self.world.block(pos[0], pos[1], pos[2]);
+        let info = self
+            .pack
+            .assets
+            .registry
+            .state(state)
+            .filter(|s| s.name == BLOCK)?;
+        let facing = info
+            .properties
+            .get("facing")
+            .and_then(|f| dir_from_name(f))?;
+        let face = Direction::ALL
+            .into_iter()
+            .find(|d| d.normal() == hit.face)?;
+        let at = Vec3::new(hit.point[0], hit.point[1], hit.point[2]);
+        let slot = hit_slot(
+            facing,
+            face,
+            BlockPos::new(pos[0], pos[1], pos[2]),
+            at,
+            2,
+            3,
+        )?;
+        let occupied = info
+            .properties
+            .get(&format!("slot_{slot}_occupied"))
+            .map(String::as_str)
+            == Some("true");
+        let book = held.filter(|s| {
+            self.res
+                .items()
+                .item_tags
+                .get("minecraft:bookshelf_books")
+                .is_some_and(|m| m.contains(&*s.item))
+        });
+        let centre = pos.map(|v| f64::from(v) + 0.5);
+        if let Some(book) = book
+            && !occupied
+        {
+            // addBook: one book goes in (a creative player keeps theirs).
+            let book = book.clone();
+            self.stats.add("used", &book.item, 1);
+            let sound = if &*book.item == "minecraft:enchanted_book" {
+                "minecraft:block.chiseled_bookshelf.insert.enchanted"
+            } else {
+                "minecraft:block.chiseled_bookshelf.insert"
+            };
+            self.bookshelf_items(pos)?[slot] = Some(ItemStack {
+                count: 1,
+                ..book.clone()
+            });
+            self.consume_held();
+            self.chiseled_bookshelf_update_state(pos, slot);
+            self.audio.play(sound, Some(centre), 1.0, 1.0);
+            self.trigger_block("minecraft:item_used_on_block", pos, &book);
+            return Some(true);
+        }
+        // TRY_WITH_EMPTY_HAND: only the main hand goes on to useWithoutItem.
+        if self.hand != horizon_client::first_person::Hand::Main {
+            return None;
+        }
+        if !occupied {
+            return Some(false);
+        }
+        // removeBook: the book goes to the inventory, or is dropped.
+        let retrieved = self.bookshelf_items(pos)?[slot].take()?;
+        self.chiseled_bookshelf_update_state(pos, slot);
+        let sound = if &*retrieved.item == "minecraft:enchanted_book" {
+            "minecraft:block.chiseled_bookshelf.pickup.enchanted"
+        } else {
+            "minecraft:block.chiseled_bookshelf.pickup"
+        };
+        self.audio.play(sound, Some(centre), 1.0, 1.0);
+        self.give_or_drop(retrieved);
+        self.post_block_game_event("minecraft:block_change", pos, Some(Who::Player), None);
+        Some(true)
+    }
+
+    /// The bookshelf's six slots (made if the block has no block entity yet).
+    fn bookshelf_items(&mut self, pos: [i32; 3]) -> Option<&mut [Option<ItemStack>; 6]> {
+        let entity = self
+            .world
+            .block_entities
+            .get_or_insert_with((pos[0], pos[1], pos[2]), || {
+                BlockEntity::ChiseledBookshelf(Box::default())
+            });
+        match entity {
+            BlockEntity::ChiseledBookshelf(b) => Some(&mut b.items),
+            _ => None,
+        }
+    }
+
+    /// `ChiseledBookShelfBlockEntity.updateState`: `slot` becomes the last
+    /// one touched, the block state takes the slots' occupancy
+    /// (`setBlockAndUpdate`) and `BLOCK_CHANGE` goes out.
+    fn chiseled_bookshelf_update_state(&mut self, pos: [i32; 3], slot: usize) {
+        let key = (pos[0], pos[1], pos[2]);
+        let Some(BlockEntity::ChiseledBookshelf(b)) = self.world.block_entities.get_mut(&key)
+        else {
+            return;
+        };
+        b.last_slot = slot as i32;
+        let occupied: Vec<bool> = b.items.iter().map(Option::is_some).collect();
+        let registry = self.pack.assets.registry;
+        let Some(mut state) = registry
+            .state(self.world.block(pos[0], pos[1], pos[2]))
+            .cloned()
+        else {
+            return;
+        };
+        for (i, occupied) in occupied.into_iter().enumerate() {
+            state
+                .properties
+                .insert(format!("slot_{i}_occupied"), occupied.to_string());
+        }
+        let Some(new) = registry.id(&state) else {
+            return;
+        };
+        let at = BlockPos::new(pos[0], pos[1], pos[2]);
+        self.with_level(|b, level, ticks| b.set_block(level, ticks, at, new, flags::UPDATE_ALL));
+        self.world.modified.insert((pos[0] >> 4, pos[2] >> 4));
+        self.post_block_game_event("minecraft:block_change", pos, None, Some(new));
+    }
+
+    /// The books a hopper or dropper put in or took out: the slot whose
+    /// occupancy no longer matches the block state is the one `setItem` or
+    /// `removeItem` updated.
+    pub(super) fn chiseled_bookshelf_synced(&mut self, pos: (i32, i32, i32)) {
+        let Some(BlockEntity::ChiseledBookshelf(b)) = self.world.block_entities.get(&pos) else {
+            return;
+        };
+        let Some(info) = self
+            .pack
+            .assets
+            .registry
+            .state(self.world.block(pos.0, pos.1, pos.2))
+        else {
+            return;
+        };
+        let moved = (0..6).rev().find(|i| {
+            let shown = info
+                .properties
+                .get(&format!("slot_{i}_occupied"))
+                .map(String::as_str);
+            b.items[*i].is_some() != (shown == Some("true"))
+        });
+        if let Some(slot) = moved {
+            self.chiseled_bookshelf_update_state([pos.0, pos.1, pos.2], slot);
+        }
+    }
+}

crates/horizon-client/src/game/client_ambient.rs

@@ -17,8 +17,10 @@ impl Game<'_> {
             return;
         }
         let mut events = Vec::new();
+        let random = self.particles.level_random();
         for m in self.mobs.iter_mut().filter(|m| !m.removed) {
             ambient::client_ai_step(m, &mut events);
+            ambient::client_particles(m, random, &mut events);
         }
         for event in events {
             match event {
@@ -37,6 +39,7 @@ impl Game<'_> {
             }
         }
         self.eye_particles();
+        self.panda_effects();
         self.sprint_dust();
         self.effect_swirls();
     }

crates/horizon-client/src/game/combat.rs

@@ -1,7 +1,16 @@
 //! The player's `CombatTracker`: the damage taken lately, who dealt it and
 //! where the player fell from, turned into the vanilla death message.
 use super::{Game, chat::PLAYER_NAME};
-use horizon_client::{health::HealthEvent, motion::MotionEvent, text::Text};
+use horizon_client::{
+    health::HealthEvent,
+    motion::MotionEvent,
+    particles::{ParticleOptions, ParticleType},
+    text::Text,
+};
+use horizon_core::random::RandomSource;
+
+/// `EntityEvent.DROWN_PARTICLES`: broadcast with the drowning damage.
+pub(super) const DROWN_EVENT: i8 = 67;
 
 struct Entry {
     damage_type: String,
@@ -33,6 +42,10 @@ pub(super) struct CombatTracker {
     /// The projectile hitting the player now is another player's that
     /// `ServerPlayer.canHarmPlayer` refuses (the `pvp` rule, an ally).
     pub(super) refuse_player_hit: bool,
+    /// The player whose melee hit is landing on the player now: where they
+    /// stand and the seconds their weapon disables a shield for
+    /// (`getSecondsToDisableBlocking`).
+    pub(super) player_attacker: Option<([f64; 3], f32)>,
     /// The mob exploding now (`ServerExplosion.source`): its team's friendly
     /// fire decides whom the blast may hurt.
     pub(super) explosion_source: Option<u32>,
@@ -45,6 +58,38 @@ pub(super) struct CombatTracker {
     fall_before: f64,
 }
 impl Game<'_> {
+    /// `LivingEntity.makeDrownParticles`: eight bubbles around the entity,
+    /// moving with it.
+    pub(super) fn drown_particles(&mut self, at: [f64; 3], velocity: [f64; 3]) {
+        let bubble = ParticleOptions::simple(ParticleType::Bubble);
+        for _ in 0..8 {
+            let mut triangle = || {
+                let r = self.particles.random();
+                r.next_double() - r.next_double()
+            };
+            let p = [at[0] + triangle(), at[1] + triangle(), at[2] + triangle()];
+            self.particles.add(&bubble, p, velocity);
+        }
+    }
+    /// Entity event 67 from a server, for this client's own player or an
+    /// entity it draws.
+    pub(super) fn remote_drown(&mut self, id: i32) {
+        let own = self.remote.as_ref().is_some_and(|r| r.entity_id == id);
+        let body = if own {
+            self.player.as_ref().map(|p| {
+                let (at, v) = (p.position, p.velocity);
+                ([at.x, at.y, at.z], [v.x, v.y, v.z])
+            })
+        } else {
+            self.mobs.iter().find(|m| m.id == id as u32).map(|m| {
+                let (at, v) = (m.position, m.velocity);
+                ([at.x, at.y, at.z], [v.x, v.y, v.z])
+            })
+        };
+        if let Some((at, v)) = body {
+            self.drown_particles(at, v);
+        }
+    }
     /// The display name of a mob: its custom name or its type's name.
     pub(super) fn mob_display_name(&self, id: u32) -> Option<Text> {
         let m = self.mobs.iter().find(|m| m.id == id)?;
@@ -82,8 +127,8 @@ impl Game<'_> {
     /// `LivingEntity.handleDamageEvent` for the player: the hurt sound of the
     /// source's `DamageEffects` (`Player.getHurtSound`).
     pub(super) fn player_hurt_sound(&mut self, sound: &str, at: [f64; 3]) {
-        let pitch = self.audio.hurt_pitch();
-        self.audio.play(sound, Some(at), 1.0, pitch);
+        // Player.getVoicePitch: always 1.0.
+        self.audio.play(sound, Some(at), 1.0, 1.0);
     }
     /// `CombatTracker.recordDamage` for the motion events of this tick.
     pub(super) fn record_combat(&mut self, events: &[MotionEvent]) {

crates/horizon-client/src/game/command_blocks.rs

@@ -2,7 +2,7 @@
 //! tick (`execute`, `executeChain`), `BaseCommandBlock.performCommand`
 //! through the command system with the block's output, and
 //! `CommandBlockEditScreen` with what `handleSetCommandBlock` does with it.
-use super::{Game, Screen, commands::execute::Source};
+use super::{Game, Screen, commands::execute::Source, lan::LanHost};
 use horizon_client::{
     command_block::{self, CommandBlock, Mode},
     containers::BlockEntity,
@@ -12,6 +12,7 @@ use horizon_client::{
     world::World,
 };
 use horizon_core::position::BlockPos;
+use horizon_protocol::packets::play::{self, Serverbound as S};
 use horizon_world::{
     chunk::BlockState,
     level::flags,
@@ -35,6 +36,16 @@ pub(super) struct CommandBlockScreen {
     auto: bool,
 }
 
+/// What `ServerboundSetCommandBlockPacket` carries.
+struct CommandBlockEdit {
+    pos: Pos,
+    command: String,
+    track_output: bool,
+    mode: Mode,
+    conditional: bool,
+    auto: bool,
+}
+
 #[derive(Clone, Copy, PartialEq)]
 enum Button {
     Output,
@@ -186,6 +197,18 @@ impl Game<'_> {
     pub(super) fn can_use_game_master_blocks(&self) -> bool {
         self.creative && self.ui.registries.permission >= 2
     }
+    /// `CommandBlock.useWithoutItem` on a server's client, which opens the
+    /// screen itself (`Player.openCommandBlock`) while the server only
+    /// answers the click: the block at `pos`, when it is a command block the
+    /// player may edit.
+    pub(super) fn open_command_block_if_editable(&mut self, pos: Pos) {
+        let is_command_block = self
+            .block_state_at(pos)
+            .is_some_and(|state| Mode::of_block(&state.name).is_some());
+        if is_command_block && self.can_use_game_master_blocks() {
+            self.open_command_block(pos);
+        }
+    }
     fn command_block(&self, pos: Pos) -> Option<&CommandBlock> {
         match self.world.block_entities.get(&pos)? {
             BlockEntity::CommandBlock(c) => Some(c),
@@ -572,12 +595,66 @@ impl Game<'_> {
             s.command.insert_text(&allowed);
         }
     }
-    /// `ServerGamePacketListenerImpl.handleSetCommandBlock`.
+    /// The edit screen's Done: a server's client sends the packet, the
+    /// window's own world applies it (`handleSetCommandBlock`).
     fn set_command_block(&mut self, s: &CommandBlockScreen) {
         if !self.can_use_game_master_blocks() {
             self.system_message(Text::translate("advMode.notAllowed", &[]));
             return;
         }
+        let edit = CommandBlockEdit {
+            pos: s.pos,
+            command: s.command.value.clone(),
+            track_output: s.track_output,
+            mode: s.mode,
+            conditional: s.conditional,
+            auto: s.auto,
+        };
+        if self.remote.is_some() {
+            self.send(S::SetCommandBlock(play::SetCommandBlock {
+                pos: [edit.pos.0, edit.pos.1, edit.pos.2],
+                command: edit.command,
+                mode: edit.mode.ordinal(),
+                flags: i8::from(edit.track_output)
+                    | (i8::from(edit.conditional) << 1)
+                    | (i8::from(edit.auto) << 2),
+            }));
+        } else {
+            self.apply_command_block(&edit);
+        }
+    }
+    /// `ServerGamePacketListenerImpl.handleSetCommandBlock` for a guest: the
+    /// block is edited only by a creative player with game master commands.
+    pub(super) fn lan_set_command_block(
+        &mut self,
+        host: &mut LanHost,
+        conn: u32,
+        p: play::SetCommandBlock,
+    ) {
+        let Some(g) = host.hub.guest(conn) else {
+            return;
+        };
+        let allowed = g.creative() && g.permission >= 2;
+        let edit = CommandBlockEdit {
+            pos: (p.pos[0], p.pos[1], p.pos[2]),
+            command: p.command,
+            track_output: p.flags & 1 != 0,
+            mode: Mode::from_ordinal(p.mode),
+            conditional: p.flags & 2 != 0,
+            auto: p.flags & 4 != 0,
+        };
+        self.as_guest(host, conn, |game| {
+            if allowed {
+                game.apply_command_block(&edit);
+                // BaseCommandBlock.onUpdated: the clients get the new command.
+                game.mark_block_entity_updated(edit.pos);
+            } else {
+                game.system_message(Text::translate("advMode.notAllowed", &[]));
+            }
+        });
+    }
+    /// What `handleSetCommandBlock` does once the player may edit the block.
+    fn apply_command_block(&mut self, s: &CommandBlockEdit) {
         let pos = s.pos;
         let registry = self.pack.assets.registry;
         let Some(current) = self.block_state_at(pos) else {
@@ -609,7 +686,7 @@ impl Game<'_> {
             }
             let _ = self.process_level_events();
         }
-        let command = s.command.value.clone();
+        let command = s.command.clone();
         let Some(c) = command_block_mut(&mut self.world, pos) else {
             return;
         };

crates/horizon-client/src/game/commands.rs

@@ -1041,6 +1041,17 @@ impl Game<'_> {
         // An air stack is empty: nothing is given (but the message still is).
         let empty = id == "minecraft:air";
         for &t in targets.iter().filter(|_| !empty) {
+            // The player's UUID, which an item they could not hold is set to.
+            let conn = match t {
+                Target::Guest(conn) => Some(conn),
+                _ => self.lan_acting,
+            };
+            let uuid = match conn {
+                Some(conn) => self
+                    .command_guest(conn)
+                    .map(|g| horizon_client::lan::playerdata::uuid_ints(g.uuid)),
+                None => Some(self.level.ensure_player_uuid()),
+            };
             self.for_player(t, |g| {
                 let mut remaining = count;
                 while remaining > 0 {
@@ -1057,8 +1068,19 @@ impl Game<'_> {
                         .target_position(Target::Player)
                         .unwrap_or(g.source_position());
                     if let Some(rest) = left {
-                        // Inventory full: drop the rest at the player's feet without pickup delay.
-                        g.spawn_item(rest, [p[0], p[1] + 1.32, p[2]], [0.0, 0.0, 0.0], 0);
+                        // Inventory full: Player.createItemStackToDrop (thrown from
+                        // the eyes), then setNoPickUpDelay and setTarget(player).
+                        let eye = g.eye_position().unwrap_or([
+                            p[0],
+                            p[1] + g.target_eye_height(Target::Player),
+                            p[2],
+                        ]);
+                        g.throw_from_eyes(rest, eye, false);
+                        if let Some(item) = g.dropped.last_mut() {
+                            item.thrower = None;
+                            item.pickup_delay = 0;
+                            item.target = uuid;
+                        }
                     } else {
                         let r = &mut g.world.random;
                         let pitch = ((r.next_float() - r.next_float()) * 0.7 + 1.0) * 2.0;
@@ -1311,7 +1333,7 @@ impl Game<'_> {
         {
             return Err(err("commands.teleport.invalidPosition", &[]));
         }
-        let mut rotation = match ctx.get("rotation") {
+        let rotation = match ctx.get("rotation") {
             Some(Arg::Coords(c)) => Some(c.rotation(self.source_rotation())),
             _ => None,
         };
@@ -1326,21 +1348,31 @@ impl Game<'_> {
             (Some(f), _) => Some(f),
             (None, Some(_)) => {
                 let e = self.entities(ctx, "facingEntity", false)?[0];
+                // EntityAnchorArgument.Anchor.apply: the feet, or the eyes.
                 let eyes = matches!(ctx.get("facingAnchor"), Some(Arg::Anchor(true)));
+                let eye_height = if eyes { self.target_eye_height(e) } else { 0.0 };
                 self.target_position(e)
-                    .map(|p| [p[0], p[1] + if eyes { 1.62 } else { 0.0 }, p[2]])
+                    .map(|p| [p[0], p[1] + eye_height, p[2]])
             }
             _ => None,
         };
-        if let Some(f) = facing {
-            let eye = pos[1] + 1.62;
+        // Entity.lookAt: from the source's anchor (the feet, unless `anchored
+        // eyes`) on the teleported entity, so the eyes depend on the target.
+        let anchored_eyes = self.command_source.is_some_and(|s| s.eyes);
+        let look_at = |this: &Self, t: Target| {
+            let f = facing?;
+            let eye = if anchored_eyes {
+                pos[1] + this.target_eye_height(t)
+            } else {
+                pos[1]
+            };
             let (dx, dy, dz) = (f[0] - pos[0], f[1] - eye, f[2] - pos[2]);
             let horizontal = (dx * dx + dz * dz).sqrt();
-            rotation = Some([
+            Some([
                 ((dz.atan2(dx).to_degrees()) - 90.0) as f32,
                 (-(dy.atan2(horizontal).to_degrees())) as f32,
-            ]);
-        }
+            ])
+        };
         // A server's player in another level than the source's (`execute
         // in`, the console's Overworld) moves there (ServerPlayer.teleport
         // into another level), after the command.
@@ -1350,6 +1382,7 @@ impl Game<'_> {
             None => self.dim,
         };
         for &t in &targets {
+            let rotation = look_at(self, t).or(rotation);
             if self.teleport_across(t, source_level, pos, rotation) {
                 continue;
             }
@@ -2057,7 +2090,8 @@ impl Game<'_> {
         let dmax = [dest[0] + size[0], dest[1] + size[1], dest[2] + size[2]];
         let overlap = (0..3).all(|i| dest[i] <= max[i] && dmax[i] >= min[i]);
         let moving = ctx.has("move");
-        if !ctx.has("force") && overlap {
+        // Mode.canOverlap: only the normal mode refuses overlapping regions.
+        if !ctx.has("force") && !moving && overlap {
             return Err(err("commands.clone.overlap", &[]));
         }
         let area = (0..3).map(|i| i64::from(size[i] + 1)).product::<i64>();
@@ -2266,26 +2300,54 @@ impl Game<'_> {
         let levels = ctx.has("levels");
         let unit = if levels { "levels" } else { "points" };
         if ctx.has("query") {
-            let _ = self.entities(ctx, "target", true)?;
-            let e = &self.experience;
-            let value = if levels {
-                e.level
-            } else {
-                (e.progress * horizon_client::entities::Experience::needed(e.level) as f32) as i32
-            };
+            let target = self.entities(ctx, "target", true)?[0];
+            // ExperienceCommand.queryExperience: the target's own level or points.
+            let value = self
+                .for_player(target, |g| {
+                    let e = &g.experience;
+                    if levels {
+                        e.level
+                    } else {
+                        (e.progress * horizon_client::entities::Experience::needed(e.level) as f32)
+                            as i32
+                    }
+                })
+                .unwrap_or(0);
             self.system_message(Text::translate(
                 &format!("commands.experience.query.{unit}"),
-                &[
-                    Text::literal(self.acting_player_name()),
-                    Text::literal(value.to_string()),
-                ],
+                &[self.target_name(target), Text::literal(value.to_string())],
             ));
             return Ok(value);
         }
         let targets = self.entities(ctx, "target", true)?;
         let amount = Self::int(ctx, "amount").unwrap_or(0);
-        let op = if ctx.has("add") { "add" } else { "set" };
-        if op == "add" {
+        let add = ctx.has("add");
+        let op = if add { "add" } else { "set" };
+        // Every target changes (a set of points can be refused for some).
+        let changed: Vec<Target> = targets
+            .iter()
+            .copied()
+            .filter(|&t| {
+                self.for_player(t, |g| g.change_experience(add, levels, amount)) == Some(true)
+            })
+            .collect();
+        if changed.is_empty() {
+            return Err(err("commands.experience.set.points.invalid", &[]));
+        }
+        let (key, who) = match changed[..] {
+            [only] => ("single", self.target_name(only)),
+            _ => ("multiple", Text::literal(changed.len().to_string())),
+        };
+        self.feedback(Text::translate(
+            &format!("commands.experience.{op}.{unit}.success.{key}"),
+            &[Text::literal(amount.to_string()), who],
+        ));
+        Ok(changed.len() as i32)
+    }
+    /// ExperienceCommand's add and set on the player in place: false when
+    /// the points to set do not fit the level.
+    fn change_experience(&mut self, add: bool, levels: bool, amount: i32) -> bool {
+        if add {
             if levels {
                 self.experience.level = (self.experience.level + amount).max(0);
                 if self.experience.level == 0 && amount < 0 {
@@ -2299,26 +2361,11 @@ impl Game<'_> {
         } else {
             let needed = horizon_client::entities::Experience::needed(self.experience.level);
             if amount > needed - 1 {
-                return Err(err("commands.experience.set.points.invalid", &[]));
+                return false;
             }
             self.experience.progress = amount as f32 / needed as f32;
         }
-        let key = format!(
-            "commands.experience.{op}.{unit}.success.{}",
-            if targets.len() == 1 {
-                "single"
-            } else {
-                "multiple"
-            }
-        );
-        self.feedback(Text::translate(
-            &key,
-            &[
-                Text::literal(amount.to_string()),
-                Text::literal(self.acting_player_name()),
-            ],
-        ));
-        Ok(targets.len() as i32)
+        true
     }
     fn cmd_gamerule(&mut self, ctx: &Context) -> R<i32> {
         let Some(name) = ctx.literals.get(1).cloned() else {
@@ -2403,21 +2450,26 @@ impl Game<'_> {
         };
         let yaw = ((rot[0] + 180.0).rem_euclid(360.0)) - 180.0;
         let pitch = rot[1].clamp(-90.0, 90.0);
-        // SetSpawnCommand: a forced point in the source's level.
-        if self.dim == Dim::Overworld {
-            self.spawn = Some(Vec3::new(
-                f64::from(pos[0]) + 0.5,
-                f64::from(pos[1]),
-                f64::from(pos[2]) + 0.5,
-            ));
-            self.respawn_config = None;
-        } else {
-            self.spawn = None;
-            self.respawn_config = Some(super::respawn_anchor::RespawnConfig {
-                dim: self.dim,
-                pos,
-                yaw,
-                forced: true,
+        // SetSpawnCommand: a forced point in the source's level, for each target.
+        let level = self.dim;
+        for &t in &targets {
+            self.for_player(t, |g| {
+                if level == Dim::Overworld {
+                    g.spawn = Some(Vec3::new(
+                        f64::from(pos[0]) + 0.5,
+                        f64::from(pos[1]),
+                        f64::from(pos[2]) + 0.5,
+                    ));
+                    g.respawn_config = None;
+                } else {
+                    g.spawn = None;
+                    g.respawn_config = Some(super::respawn_anchor::RespawnConfig {
+                        dim: level,
+                        pos,
+                        yaw,
+                        forced: true,
+                    });
+                }
             });
         }
         let dim = Text::literal(self.dim.id());
@@ -2597,6 +2649,44 @@ impl Game<'_> {
             },
         };
         let max = Self::int(ctx, "maxCount").unwrap_or(-1);
+        let counting = max == 0;
+        // ClearInventoryCommands.clearInventory: each player on their own.
+        let mut removed = 0i32;
+        let mut found = Vec::new();
+        for &t in &targets {
+            let n = self
+                .for_player(t, |g| g.clear_matching(&predicate, max))
+                .unwrap_or(0);
+            removed += n;
+            if n != 0 {
+                found.push(t);
+            }
+        }
+        if removed == 0 {
+            return Err(if targets.len() == 1 {
+                CommandError::new(Text::translate(
+                    "clear.failed.single",
+                    &[self.target_name(targets[0])],
+                ))
+            } else {
+                err("clear.failed.multiple", &[&targets.len()])
+            });
+        }
+        let kind = if counting { "test" } else { "success" };
+        let (key, who) = match found[..] {
+            [only] => ("single", self.target_name(only)),
+            _ => ("multiple", Text::literal(found.len().to_string())),
+        };
+        self.feedback(Text::translate(
+            &format!("commands.clear.{kind}.{key}"),
+            &[Text::literal(removed.to_string()), who],
+        ));
+        Ok(removed)
+    }
+    /// Inventory.clearOrCountMatchingItems for the player in place: `max`
+    /// of the matching items go (all when negative, none and only counted
+    /// when 0). Returns how many matched.
+    fn clear_matching(&mut self, predicate: &ItemInput, max: i32) -> i32 {
         let counting = max == 0;
         // Inventory slots 0..40: main, armor feet to head, off hand;
         // then clearOrCountMatchingItems visits the crafting grid and carried stack.
@@ -2612,10 +2702,7 @@ impl Game<'_> {
         };
         let matching: Vec<bool> = all(self)
             .iter()
-            .map(|s| {
-                s.as_ref()
-                    .is_some_and(|s| self.stack_matches(&predicate, s))
-            })
+            .map(|s| s.as_ref().is_some_and(|s| self.stack_matches(predicate, s)))
             .collect();
         let mut slots: Vec<&mut Option<ItemStack>> = Vec::new();
         slots.extend(self.inventory.iter_mut());
@@ -2645,25 +2732,7 @@ impl Game<'_> {
                 }
             }
         }
-        if removed == 0 {
-            return Err(if targets.len() == 1 {
-                CommandError::new(Text::translate(
-                    "clear.failed.single",
-                    &[Text::literal(self.acting_player_name())],
-                ))
-            } else {
-                err("clear.failed.multiple", &[&targets.len()])
-            });
-        }
-        let kind = if counting { "test" } else { "success" };
-        self.feedback(Text::translate(
-            &format!("commands.clear.{kind}.single"),
-            &[
-                Text::literal(removed.to_string()),
-                Text::literal(self.acting_player_name()),
-            ],
-        ));
-        Ok(removed)
+        removed
     }
     /// `PoiTypes`: the point of interest type of a block state.
     fn poi_type(&self, state: horizon_world::registry::BlockStateId) -> Option<&'static str> {

crates/horizon-client/src/game/commands/effects.rs

@@ -1,11 +1,10 @@
 //! `/effect` (EffectCommands) and `/enchant` (EnchantCommand).
 use super::{Arg, Context, Game, R, Target, err, texts};
 use horizon_client::{
-    brewing,
+    brewing::{self, namespaced},
     effects::EffectInstance,
     text::{self, Style, Text},
 };
-use std::{collections::HashMap, sync::OnceLock};
 
 /// `CommandResponseTracker` over targets: elements with a non-zero result.
 #[derive(Default)]
@@ -21,24 +20,6 @@ impl Tracker {
         }
     }
 }
-/// Namespaced effect ids for mob effect storage.
-fn namespaced(id: &'static str) -> &'static str {
-    static IDS: OnceLock<HashMap<&'static str, &'static str>> = OnceLock::new();
-    IDS.get_or_init(|| {
-        brewing::EFFECTS
-            .iter()
-            .map(|e| {
-                (
-                    e.id,
-                    &*Box::leak(format!("minecraft:{}", e.id).into_boxed_str()),
-                )
-            })
-            .collect()
-    })
-    .get(id)
-    .copied()
-    .unwrap_or(id)
-}
 fn effect_name(id: &str) -> Text {
     Text::translate(&format!("effect.minecraft.{id}"), &[])
 }

crates/horizon-client/src/game/commands/world_cmds.rs

@@ -105,6 +105,7 @@ impl Game<'_> {
         match ty.trim_start_matches("minecraft:") {
             "player_attack" => DamageKind::PlayerAttack,
             "mace_smash" => DamageKind::MaceSmash,
+            "spear" => DamageKind::Spear,
             "mob_attack" | "mob_attack_no_aggro" => DamageKind::MobAttack,
             "arrow" => DamageKind::Arrow,
             "thrown" | "trident" | "mob_projectile" => DamageKind::Thrown,
@@ -118,7 +119,9 @@ impl Game<'_> {
             "dry_out" => DamageKind::DryOut,
             "magic" | "indirect_magic" | "dragon_breath" => DamageKind::Magic,
             "sting" => DamageKind::Sting,
-            "cactus" | "sweet_berry_bush" => DamageKind::Cactus,
+            "cactus" => DamageKind::Cactus,
+            "sweet_berry_bush" => DamageKind::SweetBerryBush,
+            "freeze" => DamageKind::Freeze,
             "in_wall" => DamageKind::InWall,
             "thorns" => DamageKind::Thorns,
             _ => DamageKind::Generic,
@@ -1218,7 +1221,7 @@ impl Game<'_> {
     /// LivingEntity.stopRiding for a mob: off its vehicle
     /// (Entity.removePassenger), then to where the vehicle lets it out
     /// (LivingEntity.dismountVehicle).
-    fn dismount_mob(&mut self, rider: u32) {
+    pub(in crate::game) fn dismount_mob(&mut self, rider: u32) {
         let Some(i) = self.mobs.iter().position(|m| m.id == rider) else {
             return;
         };

crates/horizon-client/src/game/creative_hotbar.rs

@@ -0,0 +1,39 @@
+//! The creative toolbars, `hotbar.nbt` beside `options.txt`: hold the save or
+//! load key and press a hotbar key (`Minecraft.handleKeybinds`).
+use super::Game;
+use horizon_client::{hotbar, keybinds, text::Text};
+
+impl Game<'_> {
+    /// Whether the key bound to `mapping` is held.
+    pub(super) fn mapped_key_down(&self, mapping: &str) -> bool {
+        keybinds::key_code(self.settings.keys.get(mapping))
+            .is_some_and(|k| self.physical_keys.contains(&k))
+    }
+
+    /// `CreativeModeInventoryScreen.handleHotbarLoadOrSave` for the hotbar key
+    /// `index`: load puts the saved row in the hotbar (the creative slot
+    /// packets follow from the inventory change), save stores the hotbar and
+    /// says so on the action bar.
+    pub(super) fn hotbar_load_or_save(&mut self, index: usize, load: bool) {
+        let path = Self::options_path().with_file_name("hotbar.nbt");
+        let known = |id: &str| self.res.items().get(id).is_some();
+        let mut rows = hotbar::load(&path, &known);
+        if load {
+            for (slot, stack) in rows[index].iter().enumerate() {
+                self.inventory[slot] = stack.clone();
+            }
+            return;
+        }
+        rows[index] = self.inventory[..hotbar::SIZE].to_vec();
+        let _ = hotbar::save(&path, &rows);
+        let key = |mapping: &str| keybinds::display_name(self.settings.keys.get(mapping));
+        let message = Text::translate(
+            "inventory.hotbarSaved",
+            &[
+                key("key.loadToolbarActivator"),
+                key(&format!("key.hotbar.{}", index + 1)),
+            ],
+        );
+        self.titles.set_overlay(message, false);
+    }
+}

crates/horizon-client/src/game/debug_keys.rs

@@ -13,7 +13,7 @@ use horizon_client::{
     save::VERSION_NAME,
     text::Text,
 };
-use horizon_core::geometry::Axis;
+use horizon_core::geometry::{Axis, Vec3};
 use winit::keyboard::KeyCode;
 
 /// `ChatFormatting.YELLOW` and `RED`.
@@ -244,7 +244,8 @@ impl Game<'_> {
                 if on { "visible" } else { "hidden" }
             )
         };
-        let remote = self.remote.is_some();
+        // `DebugScreenOverlay`: the single-player variants for a local server.
+        let remote = !self.has_singleplayer_server();
         let c = &self.debug_charts;
         [
             format!(
@@ -463,7 +464,7 @@ impl Game<'_> {
             height,
             self.settings.max_fps,
             1000.0 / self.clock.rate(),
-            self.remote.is_some(),
+            !self.has_singleplayer_server(),
         );
         draws.push(hud_layout::GuiDraw::Push(vec![hud_layout::PoseOp::Scale(
             scale, scale,
@@ -766,7 +767,8 @@ impl Game<'_> {
         }
         let lerp = |a: f64, b: f64| a + f64::from(alpha) * (b - a);
         let lerpf = |a: f32, b: f32| a + alpha * (b - a);
-        for m in &self.mobs {
+        let guests = self.lan.iter().flat_map(|h| h.models.values());
+        for m in self.mobs.iter().chain(guests) {
             if m.removed || m.invisible || m.has_effect("minecraft:invisibility") {
                 continue;
             }
@@ -796,6 +798,159 @@ impl Game<'_> {
             // EntityType.ITEM: 0.25 by 0.25, eyes at 0.2125.
             g.hitbox(pos, (0.25, 0.25), 0.2125, false, (0.0, 0.0));
         }
+        // The other entities (EntityTypes sizes; eyes at 0.85 of the height
+        // unless the type sets one). `at` is the interpolated position.
+        let at = |previous: Vec3, now: Vec3| {
+            [
+                lerp(previous.x, now.x),
+                lerp(previous.y, now.y),
+                lerp(previous.z, now.z),
+            ]
+        };
+        for p in &self.paintings {
+            let (min, max) = p.bounds();
+            let centre = std::array::from_fn(|i| (min[i] + max[i]) / 2.0);
+            g.entity_box(min, max, centre, 0.425, false, step_view(p.step()));
+        }
+        for f in self.item_frames.iter().filter(|f| !f.invisible) {
+            let (min, max) = f.bounds();
+            let centre = std::array::from_fn(|i| (min[i] + max[i]) / 2.0);
+            g.entity_box(min, max, centre, 0.0, false, step_view(f.step()));
+        }
+        for c in &self.cushions {
+            let (min, max) = c.bounds();
+            let p = c.position;
+            g.entity_box(min, max, [p.x, p.y, p.z], 0.2125, false, (0.0, c.yaw));
+        }
+        for a in self.armor_stands.iter().filter(|a| !a.invisible) {
+            // ArmorStand.getDimensions: a marker has none, a small one is
+            // half scale with its eyes at 0.9875.
+            let (size, eye) = match (a.marker, a.small) {
+                (true, _) => ((0.0, 0.0), 0.0),
+                (_, true) => ((0.25, 0.9875), 0.9875),
+                _ => ((0.5, 1.975), 1.7775),
+            };
+            let p = a.position;
+            g.hitbox([p.x, p.y, p.z], size, eye, true, (0.0, a.yaw));
+        }
+        for b in &self.boats {
+            let h = super::boats::HEIGHT as f32;
+            g.hitbox(
+                at(b.previous, b.position),
+                (super::boats::WIDTH as f32, h),
+                h,
+                false,
+                (0.0, b.yaw),
+            );
+        }
+        for c in &self.carts {
+            let (w, h) = (
+                super::minecarts::WIDTH as f32,
+                super::minecarts::HEIGHT as f32,
+            );
+            g.hitbox(
+                at(c.previous, c.position),
+                (w, h),
+                h * 0.85,
+                false,
+                (0.0, c.yaw),
+            );
+        }
+        for o in &self.orbs {
+            g.hitbox(
+                at(o.previous, o.position),
+                (0.5, 0.5),
+                0.425,
+                false,
+                (0.0, 0.0),
+            );
+        }
+        for f in &self.falling {
+            g.hitbox(
+                at(f.previous, f.position),
+                (0.98, 0.98),
+                0.833,
+                false,
+                (0.0, 0.0),
+            );
+        }
+        for t in &self.tnts {
+            g.hitbox(
+                at(t.previous, t.position),
+                (0.98, 0.98),
+                0.15,
+                false,
+                (0.0, 0.0),
+            );
+        }
+        for c in &self.crystals {
+            let p = c.position;
+            g.hitbox([p.x, p.y, p.z], (2.0, 2.0), 1.7, false, (0.0, 0.0));
+        }
+        for p in &self.creatures.projectiles {
+            use horizon_client::projectiles::ProjectileKind as K;
+            let (size, eye) = match p.kind {
+                K::Arrow { .. } | K::Trident => (0.5, 0.13),
+                K::Snowball | K::Egg | K::EnderPearl | K::LlamaSpit | K::Potion { .. } => {
+                    (0.25, 0.2125)
+                }
+                K::SmallFireball | K::ShulkerBullet { .. } | K::WitherSkull { .. } => {
+                    (0.3125, 0.265_625)
+                }
+                K::WindCharge | K::BreezeWindCharge => (0.3125, 0.0),
+                K::LargeFireball { .. } => (1.0, 0.85),
+            };
+            g.hitbox(
+                at(p.previous, p.position),
+                (size, size),
+                eye,
+                false,
+                (p.pitch, p.yaw),
+            );
+        }
+        for t in &self.tridents {
+            g.hitbox(
+                at(t.previous, t.position),
+                (0.5, 0.5),
+                0.13,
+                false,
+                (t.pitch, t.yaw),
+            );
+        }
+        for r in &self.rockets {
+            // Projectile.updateRotation: the look follows the motion.
+            let v = r.velocity;
+            let yaw = v.x.atan2(v.z).to_degrees() as f32;
+            let pitch = v.y.atan2(v.x.hypot(v.z)).to_degrees() as f32;
+            g.hitbox(
+                at(r.previous, r.position),
+                (0.25, 0.25),
+                0.2125,
+                false,
+                (pitch, yaw),
+            );
+        }
+        for h in self
+            .hook
+            .iter()
+            .map(|h| (h.previous, h.position))
+            .chain(self.remote_hooks.iter().map(|h| (h.previous, h.position)))
+        {
+            g.hitbox(at(h.0, h.1), (0.25, 0.25), 0.2125, false, (0.0, 0.0));
+        }
+        for b in &self.bolts {
+            g.hitbox(b.at, (0.0, 0.0), 0.0, false, (0.0, 0.0));
+        }
+        // The dragon: 16 by 8, a living entity; its parts follow.
+        if let Some(d) = &self.dragon {
+            g.hitbox(
+                at(d.previous, d.position),
+                (16.0, 8.0),
+                6.8,
+                true,
+                (0.0, d.yaw),
+            );
+        }
         // The dragon's parts.
         for (id, b) in self.special_targets() {
             if (super::dragon::SPECIAL..super::dragon::SPECIAL + 8).contains(&id) {
@@ -828,3 +983,12 @@ impl Game<'_> {
         g
     }
 }
+
+/// The (x, y) rotations whose view vector is the step of a direction.
+fn step_view(step: [i32; 3]) -> (f32, f32) {
+    let [x, y, z] = step.map(f64::from);
+    (
+        (-y).asin().to_degrees() as f32,
+        (-x.atan2(z)).to_degrees() as f32,
+    )
+}

crates/horizon-client/src/game/dedicated.rs

@@ -409,6 +409,8 @@ struct ServerState {
     paused: bool,
     /// `broadcast-console-to-ops`.
     broadcast_console: bool,
+    /// `op-permission-level`: what `/op` grants (operatorUserPermissions).
+    op_level: i32,
 }
 
 /// The dedicated-only commands' replies vanilla sends with `broadcast`
@@ -570,6 +572,14 @@ impl Game<'_> {
         // DedicatedServer.initServer: worldData.setGameType; forceDifficulty.
         self.set_default_game_mode(game_mode);
         self.ui.difficulty = props.difficulty as u8;
+        // DedicatedServer.initServer: a legacy `announce-player-achievements`
+        // sets the show_advancement_messages rule once, as the file is read.
+        if let Some(announce) = props.announce_player_achievements {
+            self.ui.rules.set(
+                "show_advancement_messages",
+                horizon_client::gamerules::Value::Bool(announce),
+            );
+        }
         self.settings.render_distance = props.view_distance.clamp(2, 32);
         self.settings.simulation_distance = props.simulation_distance.clamp(2, 32);
         self.streaming.radius = self.settings.render_distance;
@@ -644,6 +654,9 @@ impl Game<'_> {
             return Ok(());
         }
         self.sync_ops(&lists);
+        if let Some(host) = self.lan.as_mut() {
+            host.hub.spawn_protection = props.spawn_protection;
+        }
         log(
             "INFO",
             &format!(
@@ -666,6 +679,7 @@ impl Game<'_> {
             ticks: Default::default(),
             paused: false,
             broadcast_console: props.broadcast_console_to_ops,
+            op_level: props.op_permission_level,
         };
         let pause_after = props.pause_when_empty_seconds * 20;
         let idle_timeout = props.player_idle_timeout;
@@ -927,7 +941,7 @@ impl Game<'_> {
                 let Some(user) = self.resolve(rest[0]) else {
                     return;
                 };
-                let level = 4;
+                let level = state.op_level;
                 let changed = {
                     let mut l = state.lists.lock().unwrap();
                     if command == "op" {
@@ -953,6 +967,10 @@ impl Game<'_> {
                 self.console_reply(Text::translate(key, &[lit(&user.name)]));
                 let lists = state.lists.clone();
                 self.sync_ops(&lists);
+                // DeOpCommands.deopPlayers.
+                if command == "deop" && changed {
+                    self.kick_unlisted_players(&lists);
+                }
             }
             "whitelist" => self.console_whitelist(state, &rest),
             "ban" if !rest.is_empty() => {
@@ -1164,6 +1182,7 @@ impl Game<'_> {
             ["on"] | ["off"] => {
                 let on = rest[0] == "on";
                 let mut l = state.lists.lock().unwrap();
+                let turned_on = on && !l.use_whitelist;
                 let key = match (on, l.use_whitelist) {
                     (true, true) => "commands.whitelist.alreadyOn",
                     (true, false) => "commands.whitelist.enabled",
@@ -1174,6 +1193,10 @@ impl Game<'_> {
                 drop(l);
                 self.store_property("white-list", on.to_string());
                 self.console_reply(Text::translate(key, &[]));
+                if turned_on {
+                    let lists = state.lists.clone();
+                    self.kick_unlisted_players(&lists);
+                }
             }
             ["list"] => {
                 let names: Vec<String> = state
@@ -1197,6 +1220,8 @@ impl Game<'_> {
             ["reload"] => {
                 let _ = state.lists.lock().unwrap().white.load();
                 self.console_reply(Text::translate("commands.whitelist.reloaded", &[]));
+                let lists = state.lists.clone();
+                self.kick_unlisted_players(&lists);
             }
             ["add", name] | ["remove", name] => {
                 let Some(user) = self.resolve(name) else {
@@ -1222,6 +1247,10 @@ impl Game<'_> {
                     Vec::new()
                 };
                 self.console_reply(Text::translate(key, &args));
+                if ok && rest[0] == "remove" {
+                    let lists = state.lists.clone();
+                    self.kick_unlisted_players(&lists);
+                }
             }
             _ => self.console_reply(Text::translate("command.unknown.argument", &[])),
         }
@@ -1237,6 +1266,38 @@ impl Game<'_> {
         }
     }
 
+    /// MinecraftServer.kickUnlistedPlayers: with `enforce-whitelist` and the
+    /// whitelist on, whoever is online and not on the whitelist file is
+    /// disconnected (operators are not spared here).
+    fn kick_unlisted_players(&mut self, lists: &Arc<Mutex<Lists>>) {
+        let unlisted: Vec<u128> = {
+            let l = lists.lock().unwrap();
+            let Some(host) = self.lan.as_ref() else {
+                return;
+            };
+            if !(l.enforce_whitelist && l.use_whitelist) {
+                return;
+            }
+            host.hub
+                .guests
+                .iter()
+                .filter(|g| {
+                    !l.white.contains(&NameAndId {
+                        id: g.uuid,
+                        name: g.name.clone(),
+                    })
+                })
+                .map(|g| g.uuid)
+                .collect()
+        };
+        for uuid in unlisted {
+            self.kick_uuid(
+                uuid,
+                translatable("multiplayer.disconnect.not_whitelisted", &[]),
+            );
+        }
+    }
+
     fn kick_uuid(&mut self, uuid: u128, reason: Tag) {
         if let Some(h) = self.lan.as_mut() {
             let conns: Vec<u32> = h

crates/horizon-client/src/game/dispense_fixture.rs

@@ -672,6 +672,7 @@ impl Game<'_> {
         }
         let source = match source.kind {
             horizon_client::mobs::DamageKind::MaceSmash => "minecraft:mace_smash",
+            horizon_client::mobs::DamageKind::Spear => "minecraft:spear",
             _ => "minecraft:player_attack",
         };
         out.push(format!(

crates/horizon-client/src/game/dispenser.rs

@@ -1548,6 +1548,7 @@ impl Game<'_> {
             return Ok((Some(stack), FAIL));
         };
         let target = (placed.x, placed.y, placed.z);
+        let state = self.apply_item_block_state([target.0, target.1, target.2], state, &stack)?;
         if let Some(entity) = BlockEntity::for_block(&self.res.facts().get(state).name) {
             self.world.block_entities.insert(target, entity);
             self.apply_placed_item([target.0, target.1, target.2], &stack, false);

crates/horizon-client/src/game/dragon.rs

@@ -48,6 +48,9 @@ pub(super) struct Fight {
     respawn: Option<(Respawn, i32)>,
     /// The four crystals on the exit portal driving the respawn.
     respawn_crystals: Vec<Vec3>,
+    /// The player behind the crystal blast under way, whose `explosion`
+    /// damage source names them (`EndCrystal.hurtServer`).
+    blast_by: Option<FightWho>,
     dirty: bool,
 }
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -262,6 +265,9 @@ pub(super) struct Dragon {
     /// only damage above the last hit lands, and only the excess.
     invulnerable: i32,
     last_hurt: f32,
+    /// `lastHurtByPlayer` with its 100 tick memory: the player credited with
+    /// the kill, and the dragon tick of their last hit.
+    hurt_by_player: Option<(FightWho, i32)>,
     pub death_time: i32,
     pub flap: f32,
     pub old_flap: f32,
@@ -385,6 +391,7 @@ impl Dragon {
             hurt_time: 0,
             invulnerable: 0,
             last_hurt: 0.0,
+            hurt_by_player: None,
             death_time: 0,
             flap: 0.0,
             old_flap: 0.0,
@@ -426,6 +433,10 @@ impl Dragon {
     pub fn alive(&self) -> bool {
         self.health > 0.0
     }
+    /// `isDeadOrDying` for the killing blow: the dying flight, or no health.
+    fn down(&self) -> bool {
+        matches!(self.phase, Phase::Dying { .. }) || !self.alive()
+    }
     fn part_box(&self, i: usize) -> Aabb {
         let (w, h) = PART_SIZES[i];
         let p = self.parts[i].0;
@@ -891,8 +902,12 @@ impl Game<'_> {
                 .any(|p| p.distance_squared(c.position) < 0.01);
         if damage == CrystalDamage::Direct {
             let at = [c.position.x, c.position.y, c.position.z];
+            // The blast's damage source carries the player, so the dragon
+            // remembers them before the blast can kill it.
+            self.fight.blast_by = by;
             let _ =
                 self.server_explode(at, 6.0, super::explosion::BlockInteraction::Destroy, false);
+            self.fight.blast_by = None;
         }
         if respawn_crystal {
             self.abort_respawn();
@@ -903,7 +918,7 @@ impl Game<'_> {
         if let Some(d) = self.dragon.as_mut() {
             if d.nearest_crystal == Some(index) {
                 d.nearest_crystal = None;
-                self.hurt_dragon(0, 10.0, true, false);
+                self.hurt_dragon(0, 10.0, true, by, false);
             } else if let Some(n) = d.nearest_crystal.as_mut()
                 && *n > index
             {
@@ -975,17 +990,43 @@ impl Game<'_> {
             self.destroy_crystal(index, by, CrystalDamage::Direct);
             Hurt::Landed { full: true }
         } else if id >= SPECIAL {
-            self.hurt_dragon((id - SPECIAL) as usize, amount, by_player, arrow)
+            let by = by_player.then(|| self.acting_player());
+            self.hurt_dragon((id - SPECIAL) as usize, amount, by_player, by, arrow)
         } else {
             Hurt::Refused
         }
     }
     /// `EnderDragon.hurt(part, source, damage)` on the dragon in the level.
-    fn hurt_dragon(&mut self, part: usize, damage: f32, counts: bool, arrow: bool) -> Hurt {
+    /// `by` is the player behind the hit, remembered for the kill credit.
+    fn hurt_dragon(
+        &mut self,
+        part: usize,
+        damage: f32,
+        counts: bool,
+        by: Option<FightWho>,
+        arrow: bool,
+    ) -> Hurt {
         let Some(d) = self.dragon.as_mut() else {
             return Hurt::Refused;
         };
+        let was_down = d.down();
+        let (cooldown, last_hurt) = (d.invulnerable, d.last_hurt);
         let hurt = d.hurt(part, damage, counts, arrow);
+        // LivingEntity.hurtServer: damage that is applied sets lastHurtByPlayer
+        // (100 ticks); a hit the damage cooldown absorbs returns before that.
+        if counts
+            && matches!(hurt, Hurt::Landed { .. })
+            && (d.invulnerable != cooldown || d.last_hurt != last_hurt)
+            && let Some(who) = by
+        {
+            d.hurt_by_player = Some((who, d.ticks));
+        }
+        if !was_down && d.down() {
+            self.credit_dragon_kill();
+        }
+        let Some(d) = self.dragon.as_ref() else {
+            return hurt;
+        };
         if hurt == (Hurt::Landed { full: true }) {
             let at = [d.position.x, d.position.y, d.position.z];
             let pitch = 0.8 + self.world.random.next_float() * 0.3;
@@ -994,6 +1035,47 @@ impl Game<'_> {
         }
         hurt
     }
+    /// `LivingEntity.die`: `getKillCredit().awardKillScore`, for the player
+    /// who hurt the dragon within the last 100 ticks. A guest's kill is
+    /// theirs: their statistics, scores and advancements.
+    fn credit_dragon_kill(&mut self) {
+        let Some(d) = self.dragon.as_ref() else {
+            return;
+        };
+        let Some((who, _)) = d.hurt_by_player.filter(|(_, hit)| d.ticks - hit <= 100) else {
+            return;
+        };
+        let view = horizon_client::advancements::EntityView {
+            kind: "minecraft:ender_dragon".to_owned(),
+            position: [d.position.x, d.position.y, d.position.z],
+            ..Default::default()
+        };
+        let id = d.id;
+        let guest = match who {
+            FightWho::Guest(conn) if self.lan_acting.is_none() => Some(conn),
+            _ => None,
+        };
+        let credited = guest.is_some_and(|conn| {
+            let Some(mut host) = self.lan.take() else {
+                return false;
+            };
+            let done = self
+                .as_guest(&mut host, conn, |g| g.award_dragon_kill(id, &view))
+                .is_some();
+            self.lan = Some(host);
+            done
+        });
+        if !credited {
+            self.award_dragon_kill(id, &view);
+        }
+    }
+    /// `ServerPlayer.awardKillScore` for the dragon, on the killer's state.
+    fn award_dragon_kill(&mut self, id: u32, view: &horizon_client::advancements::EntityView) {
+        self.stats.add("killed", "minecraft:ender_dragon", 1);
+        self.stats.custom("mob_kills", 1);
+        self.score_player_killed(super::commands::Target::Mob(id));
+        self.trigger_entity("minecraft:player_killed_entity", "entity", view);
+    }
     /// Player melee on the dragon's parts or a crystal under the crosshair.
     /// The dragon part under the crosshair within reach: its id and distance.
     pub(super) fn dragon_hit(&self) -> Option<(u32, f64)> {
@@ -1031,14 +1113,11 @@ impl Game<'_> {
         if !self.before_block(d) || self.mob_hit().is_some_and(|m| m.1 < d) {
             return false;
         }
-        let modifiers = self
-            .attack_item_info()
-            .map(|i| (i.attack_damage, i.attack_speed))
-            .unwrap_or((0.0, 0.0));
-        let speed = (4.0 + modifiers.1).max(0.1);
-        let scale = ((self.attack_ticks as f32 + 0.5) / (20.0 / speed)).clamp(0.0, 1.0);
+        let hand_damage = self.attack_item_info().map_or(0.0, |i| i.attack_damage);
+        let delay = horizon_client::attack_strength::delay(self.main_hand_attack_speed());
+        let scale = ((self.attack_ticks as f32 + 0.5) / delay).clamp(0.0, 1.0);
         let mut amount =
-            (1.0 + modifiers.0 + self.effect_attack_bonus()) * (0.2 + scale * scale * 0.8);
+            (1.0 + hand_damage + self.effect_attack_bonus()) * (0.2 + scale * scale * 0.8);
         let falling = self
             .player
             .as_ref()
@@ -1374,7 +1453,16 @@ impl Game<'_> {
                     }
                 }
                 let d2 = (pp.x - pos.x).powi(2) + (pp.y - pos.y).powi(2) + (pp.z - pos.z).powi(2);
-                if d2 < 4096.0 {
+                // Entity.hasLineOfSight: eye to eye (the dragon's eye is 0.85 of
+                // its 8 block height), blocks only.
+                let sees = d2 < 4096.0 && {
+                    let eye = Vec3::new(pos.x, pos.y + 6.8, pos.z);
+                    let target_eye =
+                        tracked.map_or(pp.y + 1.62, |p| p.bounds.max_position().y - 0.18);
+                    self.mob_world_base(&[])
+                        .line_of_sight(eye, Vec3::new(pp.x, target_eye, pp.z))
+                };
+                if sees {
                     *charge += 1;
                     let d = self.dragon.as_ref().expect("dragon");
                     let r = d.yaw.to_radians();
@@ -2127,10 +2215,12 @@ impl Game<'_> {
                     c.at[1],
                     c.at[2] + f64::from(a.sin() * d),
                 ];
-                self.particles.add(
+                self.particles.add_with(
                     &ParticleOptions::simple(ParticleType::DragonBreath),
                     at,
                     [0.0, 0.0, 0.0],
+                    false,
+                    true,
                 );
             }
             // AreaEffectCloud: after its 20-tick wait, every 20 ticks per entity.
@@ -2720,8 +2810,9 @@ impl Game<'_> {
             let (lo, hi) = (b.min_position(), b.max_position());
             self.seen_percent(center, [lo.x, lo.y, lo.z], [hi.x, hi.y, hi.z])
         });
+        let by = self.fight.blast_by;
         for (part, amount) in hits {
-            self.hurt_dragon(part, amount, true, false);
+            self.hurt_dragon(part, amount, true, by, false);
         }
     }
 }
@@ -2859,14 +2950,11 @@ impl Game<'_> {
             let (a, b) = (room.min_position(), room.max_position());
             lo.x < b.x && hi.x > a.x && lo.y < b.y && hi.y > a.y && lo.z < b.z && hi.z > a.z
         };
-        let player = self.player.as_ref().is_some_and(|p| {
-            let w = f64::from(p.dimensions.width) / 2.0;
-            let h = f64::from(p.dimensions.height);
-            touches(
-                Vec3::new(p.position.x - w, p.position.y, p.position.z - w),
-                Vec3::new(p.position.x + w, p.position.y + h, p.position.z + w),
-            )
-        });
+        // Level.getEntities: the host's player and every guest in the level.
+        let player = self
+            .fight_players()
+            .iter()
+            .any(|p| !p.spectator && touches(p.bounds.min_position(), p.bounds.max_position()));
         player
             || self.crystals.iter().any(|c| {
                 touches(

crates/horizon-client/src/game/enchant_effects.rs

@@ -3,14 +3,18 @@
 //! unbreaking (`minecraft:item_damage`), sharpness/smite/bane and power
 //! (`minecraft:damage`), knockback, fire aspect, infinity (`minecraft:ammo_use`),
 //! thorns (`minecraft:post_attack`), mending (`minecraft:repair_with_xp`) and
-//! the armor attribute effects (respiration, depth strider, ...) and Soul
-//! Speed's `location_changed` and `tick` effects.
+//! the armor attribute effects (respiration, depth strider, ...), Soul
+//! Speed's `location_changed` and `tick` effects and the
+//! `minecraft:location_changed` disk effect (frost walker).
 use super::Game;
 use horizon_client::{
     enchant::{EffectContext, Enchantments, level_value},
     items::ItemStack,
+    mobs::Who,
 };
 use horizon_core::{position::BlockPos, random::RandomSource};
+use horizon_world::{fluid::FluidKind, level::LevelAccess, registry::BlockStateId};
+use serde_json::Value;
 
 /// Where Mending found a damaged item (`EnchantedItemInUse.inSlot`).
 #[derive(Clone, Copy)]
@@ -69,7 +73,7 @@ impl Game<'_> {
     }
     /// `getEnchantedDamage - base`: damage bonus of the held weapon against a mob type.
     pub(super) fn enchant_damage_bonus(&mut self, target: &str) -> f32 {
-        let Some(held) = self.inventory[self.selected].clone() else {
+        let Some(held) = self.held().cloned() else {
             return 0.0;
         };
         let ctx = EffectContext {
@@ -102,7 +106,7 @@ impl Game<'_> {
     /// whether the hit is that knockback attack.
     pub(super) fn extra_knockback(&mut self, target_kind: &str, scale: f32) -> (f32, bool) {
         let knockback_attack = scale > 0.9 && self.player.as_ref().is_some_and(|p| p.sprinting);
-        let enchanted = match self.inventory[self.selected].clone() {
+        let enchanted = match self.held().cloned() {
             Some(held) => {
                 let ctx = EffectContext {
                     this: Some(target_kind),
@@ -144,7 +148,7 @@ impl Game<'_> {
     }
     /// After a successful melee hit: fire aspect and wind burst.
     pub(super) fn post_attack(&mut self, mob: usize) {
-        let Some(held) = self.inventory[self.selected].clone() else {
+        let Some(held) = self.held().cloned() else {
             return;
         };
         let Some(m) = self.mobs.get(mob) else { return };
@@ -157,8 +161,10 @@ impl Game<'_> {
             items: Some(self.res.items()),
             ..Default::default()
         };
-        // minecraft:post_attack ignite effects of the attacker's weapon (fire aspect).
+        // minecraft:post_attack effects of the attacker's weapon on the victim:
+        // ignite (fire aspect) and apply_mob_effect (bane of arthropods).
         let mut ignite = 0.0f32;
+        let mut mob_effects = Vec::new();
         for (id, level) in held.enchantments() {
             let Some(def) = self.res.stations().enchantments.get(id) else {
                 continue;
@@ -168,24 +174,33 @@ impl Game<'_> {
                 .into_iter()
                 .flatten()
             {
-                if effect["enchanted"] == "attacker"
-                    && effect["affected"] == "victim"
-                    && effect["effect"]["type"] == "minecraft:ignite"
+                let e = &effect["effect"];
+                let kind_of = e["type"].as_str();
+                if effect["enchanted"] != "attacker"
+                    || effect["affected"] != "victim"
+                    || !matches!(
+                        kind_of,
+                        Some("minecraft:ignite" | "minecraft:apply_mob_effect")
+                    )
                 {
-                    let mut random = self.world.random.clone();
-                    let ok = effect.get("requirements").is_none_or(|r| {
-                        self.res
-                            .stations()
-                            .enchantments
-                            .condition(r, *level, &ctx, &mut random)
-                    });
-                    self.world.random = random;
-                    if ok {
-                        ignite = ignite.max(horizon_client::enchant::level_value(
-                            &effect["effect"]["duration"],
-                            *level,
-                        ));
-                    }
+                    continue;
+                }
+                let mut random = self.world.random.clone();
+                let ok = effect.get("requirements").is_none_or(|r| {
+                    self.res
+                        .stations()
+                        .enchantments
+                        .condition(r, *level, &ctx, &mut random)
+                });
+                self.world.random = random;
+                if !ok {
+                    continue;
+                }
+                if kind_of == Some("minecraft:ignite") {
+                    ignite =
+                        ignite.max(horizon_client::enchant::level_value(&e["duration"], *level));
+                } else {
+                    mob_effects.push((e.clone(), *level));
                 }
             }
         }
@@ -195,8 +210,41 @@ impl Game<'_> {
         {
             m.ignite_for_ticks((ignite * 20.0) as i32);
         }
+        for (effect, level) in mob_effects {
+            self.apply_mob_effect(mob, &effect, level);
+        }
         self.post_attack_bursts(&held, &kind);
     }
+    /// `ApplyMobEffect.apply`: one of `to_apply` (a single id or a list) for a
+    /// random duration and amplifier between the level-based bounds.
+    fn apply_mob_effect(&mut self, mob: usize, effect: &serde_json::Value, level: u32) {
+        use horizon_client::enchant::level_value;
+        let Some(m) = self.mobs.get_mut(mob) else {
+            return;
+        };
+        let ids: Vec<&str> = match &effect["to_apply"] {
+            serde_json::Value::String(id) => vec![id.as_str()],
+            serde_json::Value::Array(list) => list.iter().filter_map(|v| v.as_str()).collect(),
+            _ => Vec::new(),
+        };
+        if ids.is_empty() {
+            return;
+        }
+        // HolderSet.getRandomElement, then Mth.randomBetween for both values.
+        let pick = m.random.next_int_bound(ids.len() as i32).unwrap_or(0) as usize;
+        let mut between = |min: &str, max: &str| {
+            let (lo, hi) = (
+                level_value(&effect[min], level),
+                level_value(&effect[max], level),
+            );
+            m.random.next_float() * (hi - lo) + lo
+        };
+        let ticks = (between("min_duration", "max_duration") * 20.0).round() as i32;
+        let amplifier = (between("min_amplifier", "max_amplifier").round() as i32).max(0);
+        if let Some(id) = super::potions::mob_effect_id(ids[pick]) {
+            m.add_effect(id, ticks, amplifier);
+        }
+    }
     /// `minecraft:post_attack` explode effects on the attacker (wind burst):
     /// a burst at the player's feet that only knocks back and triggers
     /// blocks (`ExplodeEffect` with `block_interaction: trigger`).
@@ -307,8 +355,10 @@ impl Game<'_> {
                 continue;
             }
             hits.push(1.0 + self.world.random.next_float() * 4.0);
+            // ChangeItemDamage -> ItemStack.hurtAndBreak: unbreaking applies.
+            let loss = self.durability_loss(&stack, 2);
             if let Some(s) = self.armor[slot].as_mut() {
-                s.damage += 2;
+                s.damage += loss;
                 if self
                     .res
                     .items()
@@ -590,6 +640,173 @@ impl Game<'_> {
             self.apply_equipment();
         }
     }
+    /// `EnchantmentHelper.runLocationChangedEffects` for the worn armor of the
+    /// player, run on the server once the player has moved: `LivingEntity.baseTick`
+    /// runs it when the block position changed, `checkFallDamage` when it lands.
+    /// `from` and `was_on_ground` are where and how the tick began.
+    pub(super) fn location_changed_effects(&mut self, from: [f64; 3], was_on_ground: bool) {
+        let Some(p) = self.player.as_ref() else {
+            return;
+        };
+        let at = [p.position.x, p.position.y, p.position.z];
+        let on_ground = p.ground.on_ground;
+        let cell = |v: [f64; 3]| v.map(|c| c.floor() as i32);
+        if cell(from) == cell(at) && !(on_ground && !was_on_ground) {
+            return;
+        }
+        let riding = self.riding.is_some();
+        let mut disks = Vec::new();
+        for (stack, slot) in self.armor.iter().zip(["head", "chest", "legs", "feet"]) {
+            let Some(stack) = stack else { continue };
+            for (id, level) in stack.enchantments() {
+                let Some(def) = self.res.stations().enchantments.get(id) else {
+                    continue;
+                };
+                if !def
+                    .slots
+                    .iter()
+                    .any(|s| s == slot || s == "armor" || s == "any")
+                {
+                    continue;
+                }
+                for effect in def.effects["minecraft:location_changed"]
+                    .as_array()
+                    .into_iter()
+                    .flatten()
+                {
+                    if effect["effect"]["type"] == "minecraft:replace_disk"
+                        && location_requirements(&effect["requirements"], on_ground, riding)
+                    {
+                        disks.push((effect["effect"].clone(), *level));
+                    }
+                }
+            }
+        }
+        for (effect, level) in disks {
+            self.replace_disk(&effect, level, at);
+        }
+    }
+    /// `ReplaceDisk.apply`: the blocks of the disk around `at` that pass the
+    /// predicate become the effect's state, and each placement is a game event.
+    fn replace_disk(&mut self, effect: &Value, level: u32, at: [f64; 3]) {
+        let registry = self.pack.assets.registry;
+        let spec = &effect["block_state"];
+        let Some(default) = spec["id"].as_str().and_then(|n| registry.default_state(n)) else {
+            return;
+        };
+        let Some(mut state) = registry.state(default).cloned() else {
+            return;
+        };
+        for (k, v) in spec["properties"].as_object().into_iter().flatten() {
+            state
+                .properties
+                .insert(k.clone(), v.as_str().unwrap_or("").to_owned());
+        }
+        let new = registry.resolve(&state).unwrap_or(default);
+        let radius = level_value(&effect["radius"], level) as i32;
+        let height = level_value(&effect["height"], level) as i32;
+        let offset = cell_offset(effect);
+        let center = [0, 1, 2].map(|i| at[i].floor() as i32 + offset[i]);
+        let event = effect["trigger_game_event"].as_str() == Some("minecraft:block_place");
+        for dy in (height - 1).min(0)..=0 {
+            for dz in -radius..=radius {
+                for dx in -radius..=radius {
+                    let pos = [center[0] + dx, center[1] + dy, center[2] + dz];
+                    let (x, z) = (
+                        f64::from(pos[0]) + 0.5 - at[0],
+                        f64::from(pos[2]) + 0.5 - at[2],
+                    );
+                    if x * x + z * z >= f64::from(radius * radius)
+                        || !self.disk_predicate(&effect["predicate"], pos, new)
+                        || self.level_set(pos, new).is_err()
+                    {
+                        continue;
+                    }
+                    if event {
+                        self.post_block_game_event(
+                            "minecraft:block_place",
+                            pos,
+                            Some(Who::Player),
+                            Some(new),
+                        );
+                    }
+                }
+            }
+        }
+    }
+    /// The `BlockPredicate` subset the disk effect uses, tested at `pos`; no
+    /// predicate matches everything.
+    fn disk_predicate(&mut self, p: &Value, pos: [i32; 3], placed: BlockStateId) -> bool {
+        if p.is_null() {
+            return true;
+        }
+        let offset = cell_offset(p);
+        let at = [0, 1, 2].map(|i| pos[i] + offset[i]);
+        let state = self.world.block(at[0], at[1], at[2]);
+        let b = self.res.behaviours();
+        let names = |v: &Value| -> Vec<String> {
+            match v {
+                Value::String(s) => vec![s.clone()],
+                Value::Array(a) => a
+                    .iter()
+                    .filter_map(|n| n.as_str().map(String::from))
+                    .collect(),
+                _ => Vec::new(),
+            }
+        };
+        match p["type"].as_str().unwrap_or("") {
+            "minecraft:all_of" => p["predicates"]
+                .as_array()
+                .into_iter()
+                .flatten()
+                .all(|q| self.disk_predicate(q, pos, placed)),
+            // `MatchingBlockTagPredicate`
+            "minecraft:matching_block_tag" => b
+                .tag(p["tag"].as_str().unwrap_or("").trim_start_matches('#'))
+                .is_some_and(|t| t.contains(b.block(state))),
+            // `MatchingBlocksPredicate`
+            "minecraft:matching_blocks" => {
+                names(&p["blocks"]).iter().any(|n| n == b.table.name(state))
+            }
+            // `MatchingFluidsPredicate`: Fluids.WATER is the source.
+            "minecraft:matching_fluids" => {
+                let fluid = b.fluid(state);
+                names(&p["fluids"]).iter().any(|n| match n.as_str() {
+                    "minecraft:water" => fluid.kind() == FluidKind::Water && fluid.is_source(),
+                    "minecraft:flowing_water" => {
+                        fluid.kind() == FluidKind::Water && !fluid.is_source()
+                    }
+                    _ => false,
+                })
+            }
+            // `UnobstructedPredicate`: no building-blocking entity in the block.
+            "minecraft:unobstructed" => self.with_level(|_, level, _| {
+                level.is_unobstructed(BlockPos::new(pos[0], pos[1], pos[2]), placed)
+            }),
+            _ => false,
+        }
+    }
+    /// Whether a worn enchantment gives immunity to `#burn_from_stepping`
+    /// damage (frost walker's `minecraft:damage_immunity`).
+    pub(crate) fn wears_burn_from_stepping_immunity(&self) -> bool {
+        self.armor
+            .iter()
+            .zip(["head", "chest", "legs", "feet"])
+            .any(|(stack, slot)| {
+                stack
+                    .iter()
+                    .flat_map(ItemStack::enchantments)
+                    .any(|(id, _)| {
+                        self.res.stations().enchantments.get(id).is_some_and(|def| {
+                            def.effects.get("minecraft:damage_immunity").is_some()
+                                && def
+                                    .slots
+                                    .iter()
+                                    .any(|s| s == slot || s == "armor" || s == "any")
+                        })
+                    })
+            })
+    }
     /// Enchantment attribute modifiers of worn armor (respiration, depth strider...).
     /// Each piece's modifier id ends with its slot (`EnchantmentAttributeEffect.idForSlot`),
     /// so the same enchantment on two pieces stacks instead of replacing itself.
@@ -638,3 +855,35 @@ fn soul_speed_modifiers(
         })
         .collect()
 }
+
+/// An effect's or predicate's `offset` vector (zero when absent).
+fn cell_offset(v: &Value) -> [i32; 3] {
+    let at = |i: usize| {
+        v["offset"]
+            .get(i)
+            .and_then(Value::as_i64)
+            .map_or(0, |n| n as i32)
+    };
+    [at(0), at(1), at(2)]
+}
+/// The loot-condition subset a `location_changed` effect requires of the
+/// wearer: standing on the ground and not riding (frost walker).
+fn location_requirements(req: &Value, on_ground: bool, riding: bool) -> bool {
+    match req["type"].as_str().unwrap_or("") {
+        "" if req.is_null() => true,
+        "minecraft:all_of" => req["terms"]
+            .as_array()
+            .into_iter()
+            .flatten()
+            .all(|t| location_requirements(t, on_ground, riding)),
+        "minecraft:inverted" => !location_requirements(&req["term"], on_ground, riding),
+        "minecraft:entity_properties" => {
+            let p = &req["predicate"];
+            p["minecraft:flags"]["is_on_ground"]
+                .as_bool()
+                .is_none_or(|v| v == on_ground)
+                && (p["minecraft:vehicle"].is_null() || riding)
+        }
+        _ => false,
+    }
+}

crates/horizon-client/src/game/end.rs

@@ -11,6 +11,7 @@ use horizon_client::{
     motion::PlayerMotion,
     particles::{ParticleOptions, ParticleType},
     vanillagen::VanillaTerrain,
+    world_spawn::PlayerSpawnFinder,
 };
 use horizon_core::{
     geometry::Vec3,
@@ -253,10 +254,17 @@ impl Game<'_> {
         out
     }
 
-    /// LightmapRenderStateExtractor: End flashes add to the sky light factor.
+    /// LightmapRenderStateExtractor: End flashes add to the sky light factor
+    /// unless Hide Lightning Flashes is on (the sky sprite is not gated), a
+    /// third of it under a boss bar's world fog.
     pub(super) fn end_flash_sky(&self, sky: &mut horizon_client::environment::Sky, partial: f64) {
-        if self.dim == Dim::End {
-            sky.sky_light_factor += self.end.flash.intensity(partial as f32);
+        if self.dim == Dim::End && !self.settings.file.bool("hideLightningFlashes") {
+            let intensity = self.end.flash.intensity(partial as f32);
+            sky.sky_light_factor += if self.boss_overlay.should_create_world_fog() {
+                intensity / 3.0
+            } else {
+                intensity
+            };
         }
     }
 
@@ -521,7 +529,15 @@ impl Game<'_> {
         let position = if let Some(job) = self.end.job.take() {
             self.resolve_gateway(job, target)?
         } else {
-            let (position, yaw) = self.end_arrival(target)?;
+            let mut finder = self.player_spawn.take();
+            let arrival = self.end_arrival(target, &mut finder);
+            self.player_spawn = finder;
+            let Some((position, yaw)) = arrival? else {
+                // A spawn candidate's chunk is loading: try again next tick.
+                self.travelling = Some((player, target));
+                self.end_travel = true;
+                return Ok(());
+            };
             if let Some(yaw) = yaw {
                 self.yaw = yaw;
                 player.yaw = yaw;
@@ -546,7 +562,13 @@ impl Game<'_> {
     /// Where an End portal's traveller lands once `target` has loaded, and
     /// the yaw it faces there: the platform below the End's spawn point,
     /// facing west, or the top of the Overworld's spawn column.
-    pub(super) fn end_arrival(&mut self, target: Vec3) -> Result<(Vec3, Option<f32>)> {
+    /// None while a candidate of the world spawn's search loads (`finder`
+    /// keeps it, see `search_spawn`).
+    pub(super) fn end_arrival(
+        &mut self,
+        target: Vec3,
+        finder: &mut Option<PlayerSpawnFinder>,
+    ) -> Result<Option<(Vec3, Option<f32>)>> {
         if self.dim == Dim::End {
             // EndPlatformFeature.createEndPlatform below the spawn point.
             let origin = [END_SPAWN[0], END_SPAWN[1] - 1, END_SPAWN[2]];
@@ -566,22 +588,32 @@ impl Game<'_> {
                 }
             }
             // Direction.WEST.toYRot().
-            return Ok((target, Some(90.0)));
+            return Ok(Some((target, Some(90.0))));
         }
         // ServerPlayer.findRespawnPositionAndUseSpawnBlock: where the bed or
         // anchor puts the player, facing it; else onto the spawn column.
         let mut target = target;
         if let Some(c) = self.respawn_config.filter(|c| c.dim == self.dim) {
             if let Some((at, yaw)) = self.find_respawn_and_use(c, false)? {
-                return Ok((at, Some(yaw)));
+                return Ok(Some((at, Some(yaw))));
             }
             let s = self.level.spawn.unwrap_or([0.0, 64.0, 0.0]);
             target = Vec3::new(s[0].floor() + 0.5, s[1], s[2].floor() + 0.5);
         }
-        let y = self
-            .land_column(target.x.floor() as i32, target.z.floor() as i32)
-            .map_or(target.y, f64::from);
-        Ok((Vec3::new(target.x, y, target.z), None))
+        let (x, z) = (target.x.floor() as i32, target.z.floor() as i32);
+        // TeleportTransition.missingRespawnBlock: PlayerSpawnFinder around
+        // the world spawn.
+        if let Some(world) = self.level.world_spawn.filter(|w| w[0] == x && w[2] == z) {
+            return Ok(match self.search_spawn(world, finder) {
+                Ok(at) => Some((at, None)),
+                Err(chunk) => {
+                    self.spawn_wait.push(chunk);
+                    None
+                }
+            });
+        }
+        let y = self.land_column(x, z).map_or(target.y, f64::from);
+        Ok(Some((Vec3::new(target.x, y, target.z), None)))
     }
 
     /// Dying away from the Overworld respawns at the world spawn there.
@@ -599,7 +631,9 @@ impl Game<'_> {
 
     /// EnderDragonFight without a dragon: once the centre of the main island
     /// is loaded, place the active exit portal (EndPodiumFeature) and the
-    /// first gateway (spawnNewGateway) if the portal is not there yet.
+    /// first gateway (spawnNewGateway) if the portal is not there yet. Like
+    /// scanState and spawnExitPortal, only while the fight has no exit portal
+    /// location: a podium that is later broken stays broken.
     fn ensure_exit_portal(&mut self) -> Result<()> {
         if self.travelling.is_some()
             || !(-1..=0).all(|cz| (-1..=0).all(|cx| self.streaming.is_lit(cx, cz)))
@@ -609,8 +643,14 @@ impl Game<'_> {
         }
         let won = self.fight.previously_killed;
         let gateway = self.first_gateway();
-        if (0..256).any(|y| &*self.block_name([0, y, 0]) == "minecraft:bedrock") {
-            // The podium exists; the gateway may have been out of range when it was placed.
+        if self.exit_portal().is_none() {
+            // findExitPortal remembers the location of a podium that is already there.
+            if let Some(level) = self.podium_level() {
+                self.set_exit_portal([0, level, 0]);
+            }
+        }
+        if self.exit_portal().is_some() {
+            // The gateway may have been out of range when it was placed.
             if won
                 && self.world.loaded(gateway[0], gateway[2])
                 && &*self.block_name(gateway) != "minecraft:end_gateway"
@@ -641,17 +681,40 @@ impl Game<'_> {
         }
         Ok(())
     }
+    /// The portal level of the podium around the centre column, read from the
+    /// bedrock that EndPodiumFeature places (rim at the portal level, disc
+    /// below it, the torch column) so a broken column does not hide it.
+    fn podium_level(&self) -> Option<i32> {
+        let mut offsets: Vec<[i32; 3]> = (0..4).map(|dy| [0, dy, 0]).collect();
+        for z in -4..=4i32 {
+            for x in -4..=4i32 {
+                let flat = f64::from(x * x + z * z);
+                if (6.25..12.25).contains(&flat) {
+                    offsets.push([x, 0, z]);
+                } else if flat + 1.0 < 6.25 {
+                    offsets.push([x, -1, z]);
+                }
+            }
+        }
+        (1..253)
+            .map(|y| {
+                let score = offsets
+                    .iter()
+                    .filter(|o| &*self.block_name([o[0], y + o[1], o[2]]) == "minecraft:bedrock")
+                    .count();
+                (score, y)
+            })
+            .filter(|&(score, _)| score >= 3)
+            .max()
+            .map(|(_, y)| y)
+    }
     /// `spawnExitPortal(true)` after the dragon dies.
     pub(super) fn activate_exit_portal(&mut self) -> Result<()> {
         let origin = match self.exit_portal() {
             Some(o) => o,
             None => {
-                // The rim's level: the top of the bedrock column minus three.
-                let top = (0..256)
-                    .rev()
-                    .find(|&y| &*self.block_name([0, y, 0]) == "minecraft:bedrock")
-                    .unwrap_or(64);
-                [0, top - 3, 0]
+                // The rim's level, found without assuming the centre column is intact.
+                [0, self.podium_level().unwrap_or(61), 0]
             }
         };
         self.place_podium(origin, true)

crates/horizon-client/src/game/fireworks.rs

@@ -23,7 +23,7 @@ pub(super) struct Rocket {
     /// The entity id a server tracks it by (0 until it is tracked).
     pub id: u32,
     pub(super) position: Vec3,
-    previous: Vec3,
+    pub(super) previous: Vec3,
     pub(super) velocity: Vec3,
     life: i32,
     lifetime: i32,

crates/horizon-client/src/game/fishing.rs

@@ -1,7 +1,7 @@
 //! Fishing: `FishingRodItem.use` (cast / reel in), the `FishingHook` (flight,
 //! bobbing, lure and bite timers, open water, hooking mobs, retrieving the
 //! `gameplay/fishing` loot) and `FishingHookRenderer` (bobber and line).
-use super::{Game, view_vector};
+use super::{Game, lan::LanHost, lan_mobs::guest_bounds, view_vector};
 use horizon_client::lan::{entity::States, hub::Hub};
 use horizon_client::{
     blocks::Fluid,
@@ -14,6 +14,7 @@ use horizon_client::{
 };
 use horizon_core::{
     geometry::{Aabb, Vec3, trig},
+    position::BlockPos,
     random::RandomSource,
 };
 use horizon_protocol::entity_data::{Value, serializer};
@@ -30,8 +31,8 @@ enum State {
 pub(super) struct Hook {
     /// Its entity id, which a server's players track it under.
     id: u32,
-    position: Vec3,
-    previous: Vec3,
+    pub(super) position: Vec3,
+    pub(super) previous: Vec3,
     velocity: Vec3,
     state: State,
     life: i32,
@@ -45,6 +46,13 @@ pub(super) struct Hook {
     luck: i32,
     lure: i32,
 }
+/// A player a hook can catch (`canHitEntity`): their entity id, which
+/// guest they are (none: the host) and their box.
+pub(super) struct HookTarget {
+    id: u32,
+    conn: Option<u32>,
+    bounds: Aabb,
+}
 const SIZE: f64 = 0.25;
 fn bounds(p: Vec3) -> Aabb {
     let h = SIZE / 2.0;
@@ -166,6 +174,11 @@ impl Game<'_> {
             } else if let Some(item) = self.dropped.iter_mut().find(|i| i.id == id) {
                 item.velocity = pulled(item.velocity);
                 hooked_item = true;
+            } else if self.creatures.hook_targets.iter().any(|t| t.id == id) {
+                // A player: the hub moves them when the tick ends.
+                self.creatures
+                    .hook_pulls
+                    .push((id, Vec3::new(d.x * 0.1, d.y * 0.1, d.z * 0.1)));
             }
             // `hookedIn instanceof ItemEntity ? 3 : 5`.
             damage = if hooked_item { 3 } else { 5 };
@@ -236,7 +249,7 @@ impl Game<'_> {
                     item,
                     [hook.position.x, hook.position.y, hook.position.z],
                     v,
-                    10,
+                    0,
                 );
                 let xp = self.world.random.next_int_bound(6).unwrap_or(0) as u32 + 1;
                 self.spawn_orbs([owner.x, owner.y + 0.5, owner.z + 0.5], xp);
@@ -318,9 +331,12 @@ impl Game<'_> {
         let mut speed = 1;
         let above = [b[0], b[1] + 1, b[2]];
         let sky = self.world.light(above[0], above[1], above[2]) >> 4 == 15;
-        let raining = self.world.weather.raining;
-        let r = &mut self.world.random;
-        if r.next_float() < 0.25 && raining && sky {
+        // Level.isRainingAt: rain (not snow) reaches the position.
+        if self.world.random.next_float() < 0.25
+            && self.with_level(|b, level, _| {
+                b.is_raining_at(level, BlockPos::new(above[0], above[1], above[2]))
+            })
+        {
             speed += 1;
         }
         let r = &mut self.world.random;
@@ -449,6 +465,15 @@ impl Game<'_> {
         if !self.holds_rod() || d2 > 1024.0 {
             return;
         }
+        // The players it can catch, as they stand now (the host's own hook;
+        // guests' hooks use the ones taken as their turns start).
+        if self.lan_acting.is_none()
+            && matches!(h.state, State::Flying | State::Hooked(_))
+            && let Some(host) = self.lan.take()
+        {
+            self.refresh_hook_targets(&host);
+            self.lan = Some(host);
+        }
         h.previous = h.position;
         if h.on_ground {
             h.life += 1;
@@ -474,8 +499,8 @@ impl Game<'_> {
                     self.hook = Some(h);
                     return;
                 }
-                // checkCollision: hook the first living mob it touches, or (via
-                // `canHitEntity`) a dropped item.
+                // checkCollision: hook the first living mob or other player it
+                // touches, or (via `canHitEntity`) a dropped item.
                 let bb = bounds(h.position);
                 let (lo, hi) = (bb.min_position(), bb.max_position());
                 let touches = |b: Aabb| {
@@ -487,6 +512,14 @@ impl Game<'_> {
                     .iter()
                     .find(|m| m.alive() && touches(m.bounds()))
                     .map(|m| m.id)
+                    .or_else(|| {
+                        let owner = self.lan_acting;
+                        self.creatures
+                            .hook_targets
+                            .iter()
+                            .find(|t| t.conn != owner && touches(t.bounds))
+                            .map(|t| t.id)
+                    })
                     .or_else(|| {
                         self.dropped
                             .iter()
@@ -501,12 +534,25 @@ impl Game<'_> {
                 }
             }
             State::Hooked(id) => {
-                // updateHookedEntity: ride the hooked mob or item at 0.8 of its height.
+                // updateHookedEntity: ride the hooked mob, player or item at 0.8 of its height.
                 let hooked = self
                     .mobs
                     .iter()
                     .find(|m| m.id == id && m.alive())
                     .map(|m| (m.position, f64::from(m.height())))
+                    .or_else(|| {
+                        self.creatures
+                            .hook_targets
+                            .iter()
+                            .find(|t| t.id == id)
+                            .map(|t| {
+                                let (lo, hi) = (t.bounds.min_position(), t.bounds.max_position());
+                                (
+                                    Vec3::new((lo.x + hi.x) / 2.0, lo.y, (lo.z + hi.z) / 2.0),
+                                    hi.y - lo.y,
+                                )
+                            })
+                    })
                     .or_else(|| {
                         self.dropped
                             .iter()
@@ -575,6 +621,59 @@ impl Game<'_> {
         );
         self.hook = Some(h);
     }
+    /// The players a hook can catch: everyone but spectators and the dead
+    /// (`Projectile.canHitEntity`), the host and the guests in the level.
+    pub(super) fn refresh_hook_targets(&mut self, host: &LanHost) {
+        let mut targets = Vec::new();
+        if self.options.dedicated.is_none()
+            && !self.spectator()
+            && let Some(p) = self.player.as_ref()
+            && !p.health.dead_or_dying()
+        {
+            targets.push(HookTarget {
+                id: host.host_entity as u32,
+                conn: None,
+                bounds: p.bounds(),
+            });
+        }
+        for g in &host.hub.guests {
+            if host.hub.here(g) && g.loaded && !g.dead && !g.spectator() {
+                targets.push(HookTarget {
+                    id: g.entity_id as u32,
+                    conn: Some(g.conn),
+                    bounds: guest_bounds(g),
+                });
+            }
+        }
+        self.creatures.hook_targets = targets;
+    }
+    /// `FishingHook.pullEntity` on the players the hooks reeled in this tick
+    /// pulled: their velocity moves, and a guest's reaches their client.
+    pub(super) fn flush_hook_pulls(&mut self) {
+        let pulls = std::mem::take(&mut self.creatures.hook_pulls);
+        let Some(mut host) = self.lan.take() else {
+            return;
+        };
+        for (id, delta) in pulls {
+            let push = |g: &mut Self| {
+                if let Some(p) = g.player.as_mut() {
+                    p.velocity = p.velocity.add_vector(delta);
+                }
+            };
+            if id == host.host_entity as u32 {
+                push(self);
+            } else if let Some(conn) = host
+                .hub
+                .guests
+                .iter()
+                .find(|g| g.entity_id as u32 == id)
+                .map(|g| g.conn)
+            {
+                self.guest_hit_by(&mut host, conn, push);
+            }
+        }
+        self.lan = Some(host);
+    }
     /// `FishingRodCast`: the stack in the arm holding the rod
     /// (`FishingHookRenderer.getHoldingArm`) while the hook is out.
     pub(super) fn cast_rod(&self) -> Option<&ItemStack> {
@@ -770,8 +869,8 @@ impl Game<'_> {
 pub(super) struct RemoteHook {
     id: u32,
     owner: u32,
-    position: Vec3,
-    previous: Vec3,
+    pub(super) position: Vec3,
+    pub(super) previous: Vec3,
 }
 
 impl Hook {

crates/horizon-client/src/game/frames.rs

@@ -7,6 +7,7 @@ use horizon_assets::{bake::bake_model, model::CuboidModel, resolve::ModelLibrary
 use horizon_client::{entities::ItemFrame, items::ItemStack, mesher::Vertex};
 use horizon_core::{
     geometry::{Aabb, Vec3},
+    position::BlockPos,
     random::RandomSource,
 };
 use std::sync::Arc;
@@ -223,6 +224,7 @@ impl Game<'_> {
         }
         let p = self.item_frames[i].pos;
         self.world.modified.insert((p[0] >> 4, p[2] >> 4));
+        self.frame_output_changed(p);
         self.swing_arm();
         true
     }
@@ -255,8 +257,17 @@ impl Game<'_> {
         }
         self.drop_frame_items(&f, with_frame, true);
         self.world.modified.insert((f.pos[0] >> 4, f.pos[2] >> 4));
+        if f.item.is_some() {
+            self.frame_output_changed(f.pos);
+        }
         true
     }
+    /// `ItemFrame.setItem` / `setRotation`: `updateNeighbourForOutputSignal`, so
+    /// the comparators reading the frame take its new signal.
+    fn frame_output_changed(&mut self, pos: [i32; 3]) {
+        let at = BlockPos::new(pos[0], pos[1], pos[2]);
+        self.with_level(|b, level, ticks| b.update_neighbour_for_output_signal(level, ticks, at));
+    }
     /// `ItemFrame.dropItem`: the frame (when breaking) and the held item.
     fn drop_frame_items(&mut self, f: &ItemFrame, with_frame: bool, by_player: bool) {
         if !self.ui.rules.bool("entity_drops") || (by_player && self.creative) {
@@ -300,6 +311,9 @@ impl Game<'_> {
                     self.audio
                         .play(&sound(&f, "break"), Some(center(&f)), 1.0, 1.0);
                     self.drop_frame_items(&f, true, false);
+                    if f.item.is_some() {
+                        self.frame_output_changed(f.pos);
+                    }
                     continue;
                 }
             }
@@ -456,7 +470,7 @@ impl Game<'_> {
         }
         for (id, m, light) in maps {
             let entity_start = out.len();
-            self.map_vertices(id, m, light, out);
+            self.map_vertices(id, true, m, light, out);
             self.cull_entity_vertices(out, entity_start);
         }
     }

crates/horizon-client/src/game/glowing.rs

@@ -0,0 +1,53 @@
+//! Glowing entities (`EntityRenderer.extractRenderState`'s outlineColor): which entities
+//! appear glowing, in which team colour, and their silhouettes for the renderer's entity
+//! outline (`OutlineBufferSource`).
+use super::{Game, Vertex};
+use horizon_client::{mobs::Mob, scoreboard as sb};
+
+/// `Entity.getTeamColor`: the team's colour, else white.
+pub(super) fn team_color(team: Option<&sb::Team>) -> u32 {
+    team.and_then(|t| t.color.as_deref())
+        .and_then(sb::team_color_rgb)
+        .unwrap_or(0xFF_FFFF)
+}
+
+impl Game<'_> {
+    /// `Entity.isCurrentlyGlowing` of an entity that is not living (an item, a projectile):
+    /// its `Glowing` tag, or shared flag 6 as a server sent it.
+    pub(super) fn entity_glowing(&self, id: u32) -> bool {
+        self.remote_glowing(id).unwrap_or_else(|| {
+            self.persist_raw(id)
+                .and_then(|t| horizon_client::save::number(t.get("Glowing")))
+                .is_some_and(|b| b != 0)
+        })
+    }
+
+    /// `Minecraft.shouldEntityAppearGlowing` of a mob or another player, with its outline
+    /// colour (`getTeamColor`; another player's team goes by name).
+    pub(super) fn mob_outline(&self, m: &Mob) -> Option<u32> {
+        if !m.is_currently_glowing() {
+            return None;
+        }
+        let team = if &*m.kind.id == "minecraft:player" {
+            let names = self.remote_player_names();
+            let name = names.into_iter().find(|(id, _)| *id == m.id);
+            name.and_then(|(_, name)| self.score.board.players_team(&name))
+        } else {
+            self.mob_team(m.id)
+        };
+        Some(team_color(team))
+    }
+
+    /// Adds one glowing entity's geometry to the outline pass in `rgb`, the textures'
+    /// alpha kept (`OutlineBufferSource`'s team-coloured copy of each draw).
+    pub(super) fn mark_outline(&self, vertices: &[Vertex], rgb: u32) {
+        let color = horizon_client::mobs::render::abgr(rgb);
+        self.glowing_vertices
+            .borrow_mut()
+            .extend(vertices.iter().map(|v| Vertex {
+                color,
+                normal: [0; 4],
+                ..*v
+            }));
+    }
+}

crates/horizon-client/src/game/hand.rs

@@ -3,7 +3,7 @@
 //! `continueAttack`, `MultiPlayerGameMode` block breaking), the arm swing
 //! (`LivingEntity.SwingState`) and the first-person equip heights
 //! (`FirstPersonHandsAndItems`) with the item swap ticker they read.
-use super::{Game, Mining, Screen};
+use super::{Game, Mining, Screen, minecarts::CartKind};
 use horizon_client::{
     Result,
     attack_strength::HeldStack,
@@ -144,6 +144,11 @@ impl Game<'_> {
         let harvest = !facts.requires_tool || self.res.items().correct_for_drops(held, &facts.name);
         speed / facts.hardness / if harvest { 30.0 } else { 100.0 }
     }
+    /// A key for the main-hand stack (`destroyingItem`): its item and components.
+    pub(super) fn main_hand_key(&self) -> String {
+        self.held()
+            .map_or(String::new(), |s| format!("{} {:?}", s.item, s.extra))
+    }
     /// Whether an attack would hit an entity rather than the block behind
     /// it: the crosshair's `EntityHitResult`.
     pub(super) fn entity_targeted(&self) -> bool {
@@ -289,12 +294,79 @@ impl Game<'_> {
         // Only alive mobs are hit, so a picked living entity is alive.
         Some(true)
     }
-    /// `Attributes.ATTACK_SPEED` with the main-hand item's modifier.
+    /// `Hud.canRenderCrosshairForSpectator` for the nearest hit in reach: an
+    /// entity that is a `MenuProvider` (a chest or hopper minecart, a chest
+    /// boat), or a block whose `showAsInteractableInSpectatorMode` holds.
+    pub(super) fn spectator_crosshair(&self) -> bool {
+        let cart = self.cart_hit().map(|(i, d)| {
+            let kind = &self.carts[i].kind;
+            (d, matches!(kind, CartKind::Chest | CartKind::Hopper))
+        });
+        let boat = self.boat_hit().map(|(i, d)| (d, self.boats[i].chest));
+        let others = [
+            self.mob_hit().map(|h| h.1),
+            self.armor_stand_hit().map(|h| h.1),
+            self.cushion_hit().map(|h| h.1),
+            self.painting_hit().map(|h| h.1),
+            self.frame_hit().map(|h| h.1),
+            self.dragon_hit().map(|h| h.1),
+        ];
+        let nearest = cart
+            .into_iter()
+            .chain(boat)
+            .chain(others.into_iter().flatten().map(|d| (d, false)))
+            .min_by(|a, b| a.0.total_cmp(&b.0));
+        if let Some((distance, menu)) = nearest
+            && self.before_block(distance)
+        {
+            return menu;
+        }
+        let Some(hit) = self.pick() else {
+            return false;
+        };
+        let name = &*self
+            .res
+            .facts()
+            .get(self.world.block(hit.pos[0], hit.pos[1], hit.pos[2]))
+            .name;
+        let name = name.trim_start_matches("minecraft:");
+        match name {
+            // BlockBehaviour.getMenuProvider and `instanceof Portal`.
+            "crafting_table" | "enchanting_table" | "anvil" | "chipped_anvil" | "damaged_anvil"
+            | "stonecutter" | "loom" | "cartography_table" | "grindstone" | "smithing_table"
+            | "barrel" | "furnace" | "blast_furnace" | "smoker" | "brewing_stand" | "hopper"
+            | "dispenser" | "dropper" | "crafter" | "lectern" | "beacon" | "nether_portal"
+            | "end_portal" | "end_gateway" => true,
+            // ChestBlock.getMenuProvider: none while a redstone conductor
+            // sits on top of either half (a sitting cat aside).
+            "chest" | "trapped_chest" => {
+                let key = (hit.pos[0], hit.pos[1], hit.pos[2]);
+                let blocked = |p: (i32, i32, i32)| {
+                    let above = self.world.block(p.0, p.1 + 1, p.2);
+                    self.res.behaviours().facts(above).flags
+                        & horizon_world::level::data::state_flags::CONDUCTOR
+                        != 0
+                };
+                !blocked(key) && self.chest_other_half(key).is_none_or(|o| !blocked(o))
+            }
+            _ => name.ends_with("shulker_box"),
+        }
+    }
+    /// `Attributes.ATTACK_SPEED` with the main-hand item's modifier and the
+    /// Haste and Mining Fatigue modifiers (`ADD_MULTIPLIED_TOTAL`), clamped to
+    /// the attribute's range.
     pub(super) fn main_hand_attack_speed(&self) -> f64 {
-        horizon_client::attack_strength::BASE_ATTACK_SPEED
+        let value = horizon_client::attack_strength::BASE_ATTACK_SPEED
             + self
                 .attack_item_info()
-                .map_or(0.0, |i| f64::from(i.attack_speed))
+                .map_or(0.0, |i| f64::from(i.attack_speed));
+        self.potions
+            .effects
+            .modifiers()
+            .into_iter()
+            .filter(|m| m.0 == "minecraft:attack_speed")
+            .fold(value, |v, m| v * (1.0 + m.2))
+            .clamp(0.0, 1024.0)
     }
     /// The item whose attack damage and speed modifiers the player has (`attack_item`).
     pub(super) fn attack_item_info(&self) -> Option<&horizon_client::items::ItemInfo> {
@@ -445,9 +517,7 @@ impl HandWorld for GameHands<'_, '_> {
         true
     }
     fn main_hand_key(&mut self) -> String {
-        self.game
-            .held()
-            .map_or(String::new(), |s| format!("{} {:?}", s.item, s.extra))
+        self.game.main_hand_key()
     }
     fn destroy_stage(&mut self, _: [i32; 3], _: Option<i32>) {}
     fn swing(&mut self, hand: Hand, animation: SwingAnimation) {

crates/horizon-client/src/game/initial_spawn.rs

@@ -212,39 +212,58 @@ impl Game<'_> {
             )
             .is_ok_and(|shape| shape.is_empty())
     }
-    /// PlayerSpawnFinder.findSpawn around the world spawn: the feet of a
-    /// player who has no position yet. None while a candidate's chunk loads.
-    pub(super) fn find_player_spawn(&mut self, suggestion: [i32; 3]) -> Result<Option<Vec3>> {
-        let mut finder = match self.player_spawn {
-            Some(finder) => finder,
-            None => self.spawn_finder(suggestion),
-        };
-        let found = loop {
+    /// PlayerSpawnFinder.findSpawn around the world spawn, as far as the loaded
+    /// chunks allow: the feet of the first free column within the respawn
+    /// radius, else the suggestion's own column. The finder waits in `state`
+    /// (None to begin); Err gives the chunk of the candidate being waited for,
+    /// which the caller must have loaded (the finder tries at most 1024
+    /// columns).
+    pub(super) fn search_spawn(
+        &self,
+        suggestion: [i32; 3],
+        state: &mut Option<PlayerSpawnFinder>,
+    ) -> std::result::Result<Vec3, (i32, i32)> {
+        let mut finder = state
+            .take()
+            .unwrap_or_else(|| self.spawn_finder(suggestion));
+        let suggestion = finder.suggestion;
+        loop {
             let Some(candidate) = finder.next_candidate() else {
-                break Some(self.fixup_spawn_height(suggestion));
+                return Ok(self.fixup_spawn_height(suggestion));
             };
             let (x, z) = match candidate {
                 SpawnCandidate::Column(x, z) => (x, z),
                 SpawnCandidate::Suggestion => (suggestion[0], suggestion[2]),
             };
             if !self.streaming.is_lit(x >> 4, z >> 4) {
-                self.streaming.center = (x >> 4, z >> 4);
                 finder.retry();
-                break None;
+                *state = Some(finder);
+                return Err((x >> 4, z >> 4));
             }
             match candidate {
                 SpawnCandidate::Column(x, z) => {
                     if let Some(pos) = level_respawn_pos(&self.spawn_columns(), x, z)
                         && self.player_fits(pos)
                     {
-                        break Some(bottom_center(pos));
+                        return Ok(bottom_center(pos));
                     }
                 }
-                SpawnCandidate::Suggestion => break Some(self.fixup_spawn_height(suggestion)),
+                SpawnCandidate::Suggestion => return Ok(self.fixup_spawn_height(suggestion)),
             }
-        };
-        self.player_spawn = found.is_none().then_some(finder);
-        Ok(found)
+        }
+    }
+    /// PlayerSpawnFinder.findSpawn around the world spawn: the feet of a
+    /// player who has no position yet. None while a candidate's chunk loads.
+    pub(super) fn find_player_spawn(&mut self, suggestion: [i32; 3]) -> Result<Option<Vec3>> {
+        let mut state = self.player_spawn.take();
+        match self.search_spawn(suggestion, &mut state) {
+            Ok(feet) => Ok(Some(feet)),
+            Err(chunk) => {
+                self.streaming.center = chunk;
+                self.player_spawn = state;
+                Ok(None)
+            }
+        }
     }
     /// A new PlayerSpawnFinder around `suggestion`: the respawn radius, cut
     /// by the world border; the suggestion itself in adventure mode.

crates/horizon-client/src/game/item_draw.rs

@@ -164,12 +164,18 @@ pub(super) fn owner_at(position: [f64; 3], yaw: f32, entity_type: &str) -> Owner
         ..Default::default()
     }
 }
-/// `UseDuration` of a stack: 72000 for drawn items, the consume time for food.
+/// `UseDuration` of a stack (`Item.getUseDuration`): 72000 for drawn items
+/// and for `blocks_attacks` items (shields), the consume time for food.
 fn use_duration(components: &Components) -> i32 {
     if let Some(c) = components.get("minecraft:consumable") {
         let seconds = c["consume_seconds"].as_f64().unwrap_or(1.6);
         return (seconds * 20.0) as i32;
     }
+    if components.get("minecraft:blocks_attacks").is_some()
+        || components.get("minecraft:kinetic_weapon").is_some()
+    {
+        return 72_000;
+    }
     let item_model = components
         .get("minecraft:item_model")
         .and_then(Value::as_str)
@@ -179,8 +185,9 @@ fn use_duration(components: &Components) -> i32 {
         | "minecraft:crossbow"
         | "minecraft:trident"
         | "minecraft:spyglass"
-        | "minecraft:goat_horn"
-        | "minecraft:brush" => 72_000,
+        | "minecraft:goat_horn" => 72_000,
+        // BrushItem.USE_DURATION.
+        "minecraft:brush" => 200,
         _ => 0,
     }
 }
@@ -247,6 +254,11 @@ impl Game<'_> {
         owner.main_arm_left = self.settings.main_hand_left;
         owner.is_local_player = true;
         owner.is_view_entity = true;
+        owner.last_death_location = self
+            .level
+            .last_death
+            .clone()
+            .map(|(dimension, pos)| GlobalPos { dimension, pos });
         if let (Some((slot, ticks)), Some(stack)) = (self.using, stack)
             && self.stack_in(slot) == Some(stack)
         {
@@ -405,7 +417,12 @@ impl Game<'_> {
             ) {
                 self.submit_item_world(&state, copy, vertex_light(packed), out);
             }
-            self.cull_entity_vertices(out, entity_start);
+            if self.entity_glowing(item.id) {
+                let rgb = super::glowing::team_color(self.mob_team(item.id));
+                self.mark_outline(&out[entity_start..], rgb);
+            } else {
+                self.cull_entity_vertices(out, entity_start);
+            }
         }
     }
 }

crates/horizon-client/src/game/jukebox.rs

@@ -6,10 +6,15 @@ use super::Game;
 use horizon_client::{
     containers::{BlockEntity, Jukebox},
     items::ItemStack,
+    mobs::Species,
     particles::{ParticleOptions, ParticleType},
     text::Text,
 };
-use horizon_core::{position::BlockPos, random::RandomSource};
+use horizon_core::{
+    geometry::{Aabb, Vec3},
+    position::BlockPos,
+    random::RandomSource,
+};
 use horizon_world::level::flags as level_flags;
 
 impl Game<'_> {
@@ -94,7 +99,7 @@ impl Game<'_> {
     }
     /// Level event 1010: the song from the jukebox, and the "Now Playing" overlay.
     fn start_song(&mut self, pos: [i32; 3], song: &str) {
-        self.stop_song(pos);
+        self.stop_sound(pos);
         let Some(s) = self.res.items().songs.get(song).cloned() else {
             return;
         };
@@ -106,12 +111,38 @@ impl Game<'_> {
         self.titles
             .set_overlay(Text::translate("record.nowPlaying", &[description]), true);
         self.update_song_volumes();
+        self.notify_record_playing(pos, true);
+        if self.audio.capture.is_some() {
+            self.lan_songs.push((pos, Some(song.to_owned())));
+        }
     }
-    fn stop_song(&mut self, pos: [i32; 3]) {
+    fn stop_sound(&mut self, pos: [i32; 3]) {
         if let Some(id) = self.jukebox_sounds.remove(&(pos[0], pos[1], pos[2])) {
             self.audio.stop_and_release(id);
         }
     }
+    /// Level event 1011: the song ends, here and for the guests.
+    fn stop_song(&mut self, pos: [i32; 3]) {
+        self.stop_sound(pos);
+        self.notify_record_playing(pos, false);
+        if self.audio.capture.is_some() {
+            self.lan_songs.push((pos, None));
+        }
+    }
+    /// `LevelEventHandler.notifyNearbyEntities` (level events 1010 and 1011):
+    /// parrots within three blocks of the jukebox start or stop dancing.
+    pub(super) fn notify_record_playing(&mut self, pos: [i32; 3], playing: bool) {
+        let min = Vec3::new(f64::from(pos[0]), f64::from(pos[1]), f64::from(pos[2]));
+        let area = Aabb::new(min, min.add_vector(Vec3::new(1.0, 1.0, 1.0)))
+            .inflate(Vec3::new(3.0, 3.0, 3.0));
+        for m in self
+            .mobs
+            .iter_mut()
+            .filter(|m| m.species() == Species::Parrot && m.bounds().intersects(area))
+        {
+            m.extra.party_jukebox = playing.then_some(pos);
+        }
+    }
     /// `popOutTheItem`: the disc above the jukebox, and the song stops.
     fn eject_record(&mut self, pos: [i32; 3]) {
         let key = (pos[0], pos[1], pos[2]);

crates/horizon-client/src/game/lan.rs

@@ -14,7 +14,7 @@ use horizon_client::{
         hub::{BodyFlags, HostEvent, HostState, Hub, HubConfig, TickCtx},
         playerdata,
     },
-    mobs::{Mob, Who, leash::Holder},
+    mobs::{Mob, Species, Who, leash::Holder},
     text::Text,
 };
 use horizon_core::geometry::Vec3;
@@ -140,6 +140,7 @@ pub(super) fn baby_index(kind: &str) -> Option<u8> {
         | "minecraft:zombie_villager"
         | "minecraft:zombified_piglin"
         | "minecraft:hoglin"
+        | "minecraft:zoglin"
         | "minecraft:goat"
         | "minecraft:ocelot"
         | "minecraft:turtle"
@@ -191,10 +192,18 @@ fn mob_variant_meta(
                     "minecraft:zombie_nautilus_variant",
                 ),
             };
+            // Each registry's default (`define(DATA_VARIANT_ID, ... TEMPERATE)`)
+            // stays out of the pairing data, as other default values do.
             let name = horizon_client::mobs::finalize::variant_name(m.species(), e.variant);
-            if let Some(v) = id(registry, name.trim_start_matches("minecraft:")) {
+            let name = name.trim_start_matches("minecraft:");
+            if let Some(v) = id(registry, name)
+                && name != "temperate"
+            {
                 meta.push((index, serializer, Value::Id(v)));
             }
+            if let Some(v) = id(registry, "temperate") {
+                defaults.push((index, serializer, Value::Id(v)));
+            }
         }
         // Rabbit.DATA_TYPE_ID (after AgeableMob's two) and
         // Parrot.DATA_VARIANT_ID (after TamableAnimal's two and its flags and
@@ -288,8 +297,27 @@ fn mob_meta(
     defaults: &mut Vec<(u8, i32, Value)>,
 ) {
     let kind = m.kind.id.as_str();
-    if m.fire_ticks > 0 {
-        meta.push((0, serializer::BYTE, Value::Byte(1)));
+    // Entity.DATA_SHARED_FLAGS_ID: on fire 1, swimming 16 (a drowned under
+    // water, `Drowned.setSwimming`), invisible 32 (the effect's flag) and
+    // glowing 64 (LivingEntity.updateGlowingStatus).
+    let shared = i8::from(m.is_on_fire())
+        | i8::from(m.species() == Species::Drowned && m.extra.flag) << 4
+        | i8::from(m.invisible || horizon_client::mobs::trader::is_invisible(m)) << 5
+        | i8::from(m.is_currently_glowing()) << 6;
+    if shared != 0 {
+        meta.push((0, serializer::BYTE, Value::Byte(shared)));
+    }
+    // Entity.DATA_POSE: the pose the species keeps in its own fields (a
+    // pose back at standing goes out by the entity's own default).
+    let pose = horizon_client::mobs::sync::pose_id(m);
+    if pose != 0 {
+        meta.push((6, serializer::POSE, Value::Id(i32::from(pose))));
+    }
+    // LivingEntity.DATA_SLEEPING_POS_ID: the bed a sleeping villager lies in.
+    if horizon_client::mobs::villager::sleeping(m)
+        && let Some(bed) = m.extra.bed
+    {
+        meta.push((14, serializer::OPTIONAL_BLOCK_POS, Value::OptPos(Some(bed))));
     }
     if let Some(name) = &m.custom_name {
         meta.push((
@@ -385,8 +413,14 @@ fn mob_meta(
             }
             defaults.push((17, serializer::INT, Value::Int(0)));
         }
-        // Piglin.DATA_IS_DANCING (after the baby flag and the crossbow charge).
+        // AbstractPiglin.DATA_IMMUNE_TO_ZOMBIFICATION (with the dimension it
+        // makes them shake) and Piglin.DATA_IS_DANCING (after the baby flag
+        // and the crossbow charge).
         "minecraft:piglin" => {
+            if e.flag2 {
+                meta.push((16, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((16, serializer::BOOLEAN, Value::Bool(false)));
             if e.scratch[0] > 0 {
                 meta.push((19, serializer::BOOLEAN, Value::Bool(true)));
             }
@@ -400,6 +434,25 @@ fn mob_meta(
             }
             defaults.push((18, serializer::BYTE, Value::Byte(0)));
         }
+        // Fox.DATA_TYPE_ID and DATA_FLAGS_ID (after AgeableMob's two; sleeping 32, ...).
+        "minecraft:fox" => {
+            if e.variant != 0 {
+                meta.push((18, serializer::INT, Value::Int(i32::from(e.variant))));
+            }
+            defaults.push((18, serializer::INT, Value::Int(0)));
+            let flags = (e.ints[0] & 0xff) as u8 as i8;
+            if flags != 0 {
+                meta.push((19, serializer::BYTE, Value::Byte(flags)));
+            }
+            defaults.push((19, serializer::BYTE, Value::Byte(0)));
+        }
+        "minecraft:parrot" => {
+            // TamableAnimal.DATA_FLAGS_ID: sitting 1, tame 4.
+            let flags = i8::from(e.sitting) | if e.tame { 4 } else { 0 };
+            if flags != 0 {
+                meta.push((18, serializer::BYTE, Value::Byte(flags)));
+            }
+        }
         "minecraft:cat" | "minecraft:wolf" => {
             // TamableAnimal.DATA_FLAGS_ID: sitting 1, tame 4.
             let flags = i8::from(e.sitting) | if e.tame { 4 } else { 0 };
@@ -421,6 +474,15 @@ fn mob_meta(
             if let Some(v) = id(registry, name) {
                 meta.push((index, serializer, Value::Id(v)));
             }
+            // Cat.IS_LYING and RELAX_STATE_ONE.
+            if kind == "minecraft:cat" {
+                for (index, on) in [(21, e.flag), (22, e.relax_one)] {
+                    if on {
+                        meta.push((index, serializer::BOOLEAN, Value::Bool(true)));
+                    }
+                    defaults.push((index, serializer::BOOLEAN, Value::Bool(false)));
+                }
+            }
             // Wolf.DATA_COLLAR_COLOR and Cat's, red by default.
             let collar = if kind == "minecraft:cat" { 23 } else { 21 };
             let red = i32::from(horizon_client::mobs::tame::RED);
@@ -445,10 +507,16 @@ fn mob_meta(
         | "minecraft:skeleton_horse"
         | "minecraft:zombie_horse"
         | "minecraft:camel" => {
-            // AbstractHorse.DATA_ID_FLAGS: tame 2.
-            if e.tame {
-                meta.push((18, serializer::BYTE, Value::Byte(2)));
+            // AbstractHorse.DATA_ID_FLAGS: tame 2, eating 16 (grazing), standing
+            // 32 (rearing).
+            let grazes = horizon_client::mobs::equine::grazes(m.species());
+            let flags = if e.tame { 2 } else { 0 }
+                | if grazes && e.flag { 16 } else { 0 }
+                | if grazes && e.counter > 0 { 32 } else { 0 };
+            if flags != 0 {
+                meta.push((18, serializer::BYTE, Value::Byte(flags)));
             }
+            defaults.push((18, serializer::BYTE, Value::Byte(0)));
             if kind == "minecraft:horse" {
                 let v = i32::from(e.variant) | i32::from(e.variant2) << 8;
                 if v != 0 {
@@ -473,6 +541,15 @@ fn mob_meta(
         // Villager.DATA_VILLAGER_DATA and ZombieVillager's (after Zombie's three).
         "minecraft:villager" | "minecraft:zombie_villager" => {
             use horizon_client::mobs::render::{PROFESSIONS, VILLAGER_TYPES};
+            if kind == "minecraft:villager" {
+                unhappy_counter(m, meta, defaults);
+            } else {
+                // ZombieVillager.DATA_CONVERTING_ID: the cure's shaking.
+                if horizon_client::mobs::zombie_villager::is_converting(m) {
+                    meta.push((19, serializer::BOOLEAN, Value::Bool(true)));
+                }
+                defaults.push((19, serializer::BOOLEAN, Value::Bool(false)));
+            }
             let villager_type = VILLAGER_TYPES[e.variant as usize % VILLAGER_TYPES.len()];
             let profession = PROFESSIONS[e.variant2 as usize % PROFESSIONS.len()];
             if let (Some(t), Some(p)) = (
@@ -514,6 +591,29 @@ fn mob_meta(
             }
             defaults.push((17, serializer::BOOLEAN, Value::Bool(false)));
         }
+        // Panda: UNHAPPY_COUNTER, SNEEZE_COUNTER and EAT_COUNTER (after
+        // AgeableMob's two), MAIN_GENE_ID, HIDDEN_GENE_ID and DATA_ID_FLAGS;
+        // the client animates the states from them.
+        "minecraft:panda" => {
+            let (flags, counters) = horizon_client::mobs::panda::get(m)
+                .map_or((0, [0; 3]), |s| (s.flags, [s.unhappy, s.sneeze, s.eat]));
+            for (index, value) in (18..).zip(counters) {
+                if value != 0 {
+                    meta.push((index, serializer::INT, Value::Int(value)));
+                }
+                defaults.push((index, serializer::INT, Value::Int(0)));
+            }
+            for (index, gene) in [(21, e.variant), (22, e.variant2)] {
+                if gene != 0 {
+                    meta.push((index, serializer::BYTE, Value::Byte(gene as i8)));
+                }
+                defaults.push((index, serializer::BYTE, Value::Byte(0)));
+            }
+            if flags != 0 {
+                meta.push((23, serializer::BYTE, Value::Byte(flags as i8)));
+            }
+            defaults.push((23, serializer::BYTE, Value::Byte(0)));
+        }
         // PolarBear.DATA_STANDING_ID (after AgeableMob's two): the bear
         // rears up; the client animates it.
         "minecraft:polar_bear" => {
@@ -529,7 +629,122 @@ fn mob_meta(
             }
             defaults.push((17, serializer::BYTE, Value::Byte(0)));
         }
-        // Enderman.DATA_CARRY_STATE.
+        // Warden.CLIENT_ANGER_LEVEL: the heartbeat's pace.
+        "minecraft:warden" => {
+            let anger = e.warden.as_ref().map_or(0, |w| w.client_anger);
+            if anger != 0 {
+                meta.push((16, serializer::INT, Value::Int(anger)));
+            }
+            defaults.push((16, serializer::INT, Value::Int(0)));
+        }
+        // Sniffer.DATA_STATE (after AgeableMob's two).
+        "minecraft:sniffer" => {
+            if e.variant != 0 {
+                meta.push((
+                    18,
+                    serializer::SNIFFER_STATE,
+                    Value::Id(i32::from(e.variant)),
+                ));
+            }
+            defaults.push((18, serializer::SNIFFER_STATE, Value::Id(0)));
+        }
+        // Shulker.DATA_ATTACH_FACE_ID, DATA_PEEK_ID and DATA_COLOR_ID (16
+        // for none).
+        "minecraft:shulker" => {
+            if e.variant3 != 0 {
+                meta.push((16, serializer::DIRECTION, Value::Id(i32::from(e.variant3))));
+            }
+            defaults.push((16, serializer::DIRECTION, Value::Id(0)));
+            if e.counter != 0 {
+                meta.push((17, serializer::BYTE, Value::Byte(e.counter as i8)));
+            }
+            defaults.push((17, serializer::BYTE, Value::Byte(0)));
+            if e.color != 16 {
+                meta.push((18, serializer::BYTE, Value::Byte(e.color as i8)));
+            }
+            defaults.push((18, serializer::BYTE, Value::Byte(16)));
+        }
+        // Vex.DATA_FLAGS_ID: charging in bit 0 (the arms and the glowing
+        // texture).
+        "minecraft:vex" => {
+            if e.flag {
+                meta.push((16, serializer::BYTE, Value::Byte(1)));
+            }
+            defaults.push((16, serializer::BYTE, Value::Byte(0)));
+        }
+        // Creaking.CAN_MOVE, IS_ACTIVE and IS_TEARING_DOWN.
+        "minecraft:creaking" => {
+            if e.flag2 {
+                meta.push((16, serializer::BOOLEAN, Value::Bool(false)));
+            }
+            defaults.push((16, serializer::BOOLEAN, Value::Bool(true)));
+            if e.flag {
+                meta.push((17, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((17, serializer::BOOLEAN, Value::Bool(false)));
+            if horizon_client::mobs::creaking::tearing_down(m) {
+                meta.push((18, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((18, serializer::BOOLEAN, Value::Bool(false)));
+        }
+        // Allay.DATA_DANCING and DATA_CAN_DUPLICATE (the held item is its
+        // main hand equipment).
+        "minecraft:allay" => {
+            if e.flag {
+                meta.push((16, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((16, serializer::BOOLEAN, Value::Bool(false)));
+            if e.egg_time > 0 {
+                meta.push((17, serializer::BOOLEAN, Value::Bool(false)));
+            }
+            defaults.push((17, serializer::BOOLEAN, Value::Bool(true)));
+        }
+        // Axolotl.DATA_PLAYING_DEAD (after DATA_VARIANT).
+        "minecraft:axolotl" => {
+            if horizon_client::mobs::axolotl::is_playing_dead(m) {
+                meta.push((19, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((19, serializer::BOOLEAN, Value::Bool(false)));
+        }
+        // CopperGolem.COPPER_GOLEM_STATE (after DATA_WEATHER_STATE).
+        "minecraft:copper_golem" => {
+            if e.variant3 != 0 {
+                meta.push((
+                    17,
+                    serializer::COPPER_GOLEM_STATE,
+                    Value::Id(i32::from(e.variant3)),
+                ));
+            }
+            defaults.push((17, serializer::COPPER_GOLEM_STATE, Value::Id(0)));
+        }
+        // Armadillo.ARMADILLO_STATE (after AgeableMob's two).
+        "minecraft:armadillo" => {
+            let state = horizon_client::mobs::armadillo::state(m);
+            if state != 0 {
+                meta.push((18, serializer::ARMADILLO_STATE, Value::Id(i32::from(state))));
+            }
+            defaults.push((18, serializer::ARMADILLO_STATE, Value::Id(0)));
+        }
+        // Frog.DATA_TONGUE_TARGET_ID (after the variant): the entity id plus
+        // one, 0 for none.
+        "minecraft:frog" => {
+            if let Some(target) = e.frog.tongue_target {
+                let id = i32::try_from(target).map_or(0, |t| t + 1);
+                meta.push((19, serializer::OPTIONAL_UNSIGNED_INT, Value::Id(id)));
+            }
+            defaults.push((19, serializer::OPTIONAL_UNSIGNED_INT, Value::Id(0)));
+        }
+        // Goat.DATA_HAS_LEFT_HORN and DATA_HAS_RIGHT_HORN (after
+        // DATA_IS_SCREAMING_GOAT): both true by default.
+        "minecraft:goat" => {
+            for (index, lost) in [(19, e.lost_horns[0]), (20, e.lost_horns[1])] {
+                if lost {
+                    meta.push((index, serializer::BOOLEAN, Value::Bool(false)));
+                }
+                defaults.push((index, serializer::BOOLEAN, Value::Bool(true)));
+            }
+        }
+        // Enderman.DATA_CARRY_STATE and DATA_CREEPY (angry: the open mouth).
         "minecraft:enderman" => {
             if let Some(state) = e.carried {
                 meta.push((
@@ -538,9 +753,112 @@ fn mob_meta(
                     Value::Id(state.0 as i32),
                 ));
             }
+            if e.flag {
+                meta.push((17, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((17, serializer::BOOLEAN, Value::Bool(false)));
+            defaults.push((16, serializer::OPTIONAL_BLOCK_STATE, Value::Id(0)));
+        }
+        // Zombie.DATA_DROWNED_CONVERSION_ID (after DATA_BABY_ID and
+        // DATA_SPECIAL_TYPE_ID): the shaking of the conversion under water.
+        "minecraft:zombie" | "minecraft:husk" => {
+            if e.counter2 > 0 {
+                meta.push((18, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((18, serializer::BOOLEAN, Value::Bool(false)));
+        }
+        // AbstractVillager.DATA_UNHAPPY_COUNTER (after AgeableMob's two).
+        "minecraft:wandering_trader" => unhappy_counter(m, meta, defaults),
+        // Hoglin.DATA_IMMUNE_TO_ZOMBIFICATION (after AgeableMob's two) and
+        // AbstractPiglin's, the first entry of its subclasses: with the
+        // dimension it makes them shake.
+        "minecraft:hoglin" | "minecraft:piglin_brute" => {
+            let index = if kind == "minecraft:hoglin" { 18 } else { 16 };
+            if e.flag2 {
+                meta.push((index, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((index, serializer::BOOLEAN, Value::Bool(false)));
+        }
+        // Blaze.DATA_FLAGS_ID: charged 1, which makes it burn.
+        "minecraft:blaze" => {
+            if e.flag {
+                meta.push((16, serializer::BYTE, Value::Byte(1)));
+            }
+            defaults.push((16, serializer::BYTE, Value::Byte(0)));
+        }
+        // Turtle.HAS_EGG and LAYING_EGG (after AgeableMob's two).
+        "minecraft:turtle" => {
+            if e.flag {
+                meta.push((18, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            if e.flag2 {
+                meta.push((19, serializer::BOOLEAN, Value::Bool(true)));
+            }
+            defaults.push((18, serializer::BOOLEAN, Value::Bool(false)));
+            defaults.push((19, serializer::BOOLEAN, Value::Bool(false)));
+        }
+        // WitherBoss.DATA_TARGET_B and DATA_TARGET_C (after DATA_TARGET_A, the
+        // main target): the entities the side heads look at, by id.
+        "minecraft:wither" => {
+            for (k, index) in [(0, 17), (1, 18)] {
+                let target = match e.ints[k] {
+                    0 => None,
+                    -1 => player_entity,
+                    id => Some(id),
+                };
+                if let Some(target) = target {
+                    meta.push((index, serializer::INT, Value::Int(target)));
+                }
+                defaults.push((index, serializer::INT, Value::Int(0)));
+            }
         }
         _ => {}
     }
+    // Camel.DASH and LAST_POSE_CHANGE_TICK (after AbstractHorse's flags).
+    if horizon_client::mobs::camel::is_camel(m.species()) {
+        if e.flag2 {
+            meta.push((19, serializer::BOOLEAN, Value::Bool(true)));
+        }
+        defaults.push((19, serializer::BOOLEAN, Value::Bool(false)));
+        let tick = horizon_client::mobs::camel::synced_pose_tick(m, game_time);
+        if tick != 0 {
+            meta.push((20, serializer::LONG, Value::Long(tick)));
+        }
+        defaults.push((20, serializer::LONG, Value::Long(0)));
+    }
+}
+
+/// What a client shakes a mob by: Entity.DATA_TICKS_FROZEN (7), whose full
+/// count is `isFullyFrozen`, and Strider.DATA_SUFFOCATING (19, after
+/// AgeableMob's two and DATA_BOOST_TIME).
+fn mob_freeze_meta(
+    m: &Mob,
+    meta: &mut Vec<(u8, i32, Value)>,
+    defaults: &mut Vec<(u8, i32, Value)>,
+) {
+    if m.ticks_frozen > 0 {
+        meta.push((7, serializer::INT, Value::Int(m.ticks_frozen)));
+    }
+    defaults.push((7, serializer::INT, Value::Int(0)));
+    if m.kind.id == "minecraft:strider" {
+        if m.extra.flag {
+            meta.push((19, serializer::BOOLEAN, Value::Bool(true)));
+        }
+        defaults.push((19, serializer::BOOLEAN, Value::Bool(false)));
+    }
+}
+
+/// AbstractVillager.DATA_UNHAPPY_COUNTER (after AgeableMob's two): the head
+/// shake of a villager saying no counts it down from 40.
+fn unhappy_counter(
+    m: &Mob,
+    meta: &mut Vec<(u8, i32, Value)>,
+    defaults: &mut Vec<(u8, i32, Value)>,
+) {
+    if m.extra.ints[0] > 0 {
+        meta.push((18, serializer::INT, Value::Int(m.extra.ints[0])));
+    }
+    defaults.push((18, serializer::INT, Value::Int(0)));
 }
 
 /// The equipment a mob shows (ClientboundSetEquipmentPacket slots: main hand,
@@ -551,21 +869,33 @@ fn mob_equipment(
     out: &mut Vec<(u8, Option<horizon_protocol::item::Stack>)>,
 ) {
     let e = &m.extra;
+    // A horse's armour, a llama's carpet, a harness: Horizon keeps the body
+    // slot's item (6) in `head`.
+    let body = horizon_client::mobs::drops::head_is_body(m.species());
     let slots = [
         (0u8, &e.main_hand),
         (1, &e.off_hand),
         (2, &e.feet),
         (3, &e.legs),
         (4, &e.chest),
-        (5, &e.head),
+        (if body { 6 } else { 5 }, &e.head),
     ];
     for (slot, item) in slots {
         if let Some(item) = item {
             let stack = ItemStack {
                 item: item.clone(),
                 count: 1,
-                damage: 0,
-                extra: None,
+                // A wolf's armor shows its cracks.
+                damage: if slot == 6 && m.species() == horizon_client::mobs::Species::Wolf {
+                    e.body_damage.max(0) as u32
+                } else {
+                    0
+                },
+                extra: if slot == 6 && m.species() == horizon_client::mobs::Species::Wolf {
+                    e.body_extra.clone()
+                } else {
+                    None
+                },
             };
             out.push((slot, hub.stack(&Some(stack))));
         }
@@ -846,6 +1176,7 @@ impl Game<'_> {
         self.world.light_log = None;
         self.audio.capture = None;
         self.lan_events.clear();
+        self.lan_songs.clear();
         self.lan_critical_hits.clear();
         self.streaming.extra.clear();
         if announce {
@@ -1067,6 +1398,7 @@ impl Game<'_> {
                 &mut e.meta,
                 &mut e.defaults,
             );
+            mob_freeze_meta(m, &mut e.meta, &mut e.defaults);
             mob_equipment(m, hub, &mut e.equipment);
             self.mob_attributes(m, &mut e.attributes);
             e.leash = leash;
@@ -1077,6 +1409,10 @@ impl Game<'_> {
             e.position = [d.position.x, d.position.y, d.position.z];
             e.on_ground = d.on_ground;
             e.velocity = [d.velocity.x, d.velocity.y, d.velocity.z];
+            // Entity.DATA_SHARED_FLAGS_ID: glowing 0x40 (the Glowing tag).
+            if self.entity_glowing(d.id) {
+                e.meta.push((0, serializer::BYTE, Value::Byte(0x40)));
+            }
             e.meta.push((8, serializer::ITEM_STACK, Value::Item(stack)));
         }
         for o in &self.orbs {
@@ -1183,6 +1519,8 @@ impl Game<'_> {
                     self.ui.rules.bool("player_movement_check"),
                     self.ui.rules.bool("elytra_movement_check"),
                 );
+                host.hub
+                    .set_immediate_respawn(self.ui.rules.bool("immediate_respawn"));
                 // A server with several levels runs a pass for each
                 // (`tick_server`): the network is read once, before the first.
                 let pass = self.level_pass;
@@ -1235,6 +1573,16 @@ impl Game<'_> {
                                 "INFO",
                                 &format!("System chat: {} joined the game", g.name),
                             );
+                        } else if self.player.is_some()
+                            && let Some(g) = host.hub.guest(conn)
+                            && g.placed
+                        {
+                            // The host's chat hears of the newcomer as the guests do.
+                            let who = self.player_text(&g.name, g.uuid);
+                            self.system_message(
+                                Text::translate("multiplayer.player.joined", &[who])
+                                    .with_color(horizon_client::text::YELLOW),
+                            );
                         }
                     }
                     HostEvent::Left(mut guest) => {
@@ -1266,6 +1614,13 @@ impl Game<'_> {
                                 "INFO",
                                 &format!("System chat: {} left the game", guest.name),
                             );
+                        } else if self.player.is_some() && guest.placed {
+                            // ServerGamePacketListenerImpl.removePlayerFromWorld.
+                            let who = self.player_text(&guest.name, guest.uuid);
+                            self.system_message(
+                                Text::translate("multiplayer.player.left", &[who])
+                                    .with_color(horizon_client::text::YELLOW),
+                            );
                         }
                     }
                     HostEvent::Packet(conn, packet) => {
@@ -1305,6 +1660,10 @@ impl Game<'_> {
         self.lan = Some(host);
         // A mace's wind burst from a guest's attack.
         let _ = self.flush_wind_bursts();
+        // A sweep attack's reach to the other players from a guest's attack.
+        self.flush_sweeps();
+        // A reeled-in hook pulling a player.
+        self.flush_hook_pulls();
     }
 
     fn lan_guest_joined(
@@ -1405,9 +1764,11 @@ impl Game<'_> {
             match e {
                 horizon_world::level::LevelEvent::LevelEvent { id, pos, data } => {
                     // The acting guest does not predict the egg's teleport
-                    // particles, bone meal's growth, or anvil result sounds
-                    // (these levelEvent calls name no excluded player).
-                    let except = if matches!(*id, 2015 | 1505 | 1029 | 1030) {
+                    // particles, bone meal's growth, anvil result sounds, or a
+                    // finished brushing (these levelEvent calls name no
+                    // excluded player), nor the digger's own crack and hit
+                    // sound (2019, 2020).
+                    let except = if matches!(*id, 2015 | 1505 | 1029 | 1030 | 2019 | 2020 | 3008) {
                         None
                     } else {
                         self.lan_acting
@@ -1441,6 +1802,11 @@ impl Game<'_> {
         if self.audio.capture.is_some() {
             self.lan_entity_events.push((id, event, at));
         }
+        // Event 21: a window that simulates the world itself is its own
+        // client, and hears the guardian's hum too.
+        if event == 21 && self.options.execution_role.is_client() {
+            self.start_guardian_sound(id as u32);
+        }
     }
     /// `ServerPlayer.crit` (or `magicCrit` when `magic`): this window's
     /// emitter, and an animation for the attacker's client and observers once
@@ -1469,6 +1835,7 @@ impl Game<'_> {
     /// Send the tick's level events, sounds and mob animations.
     fn lan_flush_effects(&mut self, host: &mut LanHost) {
         let critical_hits = std::mem::take(&mut self.lan_critical_hits);
+        let kinetic_hits = std::mem::take(&mut self.lan_kinetic_hits);
         for (kind, pos, data, acting) in std::mem::take(&mut self.lan_events) {
             if kind == 2001 {
                 host.broken
@@ -1476,6 +1843,16 @@ impl Game<'_> {
             }
             host.hub.level_event(kind, pos, data, acting);
         }
+        // Level events 1010 and 1011: the guests' parrots dance or stop.
+        for (pos, song) in std::mem::take(&mut self.lan_songs) {
+            match song {
+                Some(name) => {
+                    let id = host.hub.registry_id("minecraft:jukebox_song", &name);
+                    host.hub.level_event(1010, pos, id.unwrap_or(0), None);
+                }
+                None => host.hub.level_event(1011, pos, 0, None),
+            }
+        }
         for (pos, b0, b1, state) in std::mem::take(&mut self.lan_block_events) {
             host.hub.block_event(pos, b0, b1, state);
         }
@@ -1520,7 +1897,12 @@ impl Game<'_> {
                 // A projectile is the direct entity of its hit: not tracked here.
                 let melee = matches!(
                     source.kind,
-                    K::PlayerAttack | K::MaceSmash | K::MobAttack | K::Sting | K::SonicBoom
+                    K::PlayerAttack
+                        | K::MaceSmash
+                        | K::Spear
+                        | K::MobAttack
+                        | K::Sting
+                        | K::SonicBoom
                 );
                 let direct = cause.filter(|_| melee);
                 host.hub.damage_event(m.id as i32, kind, cause, direct, at);
@@ -1541,6 +1923,19 @@ impl Game<'_> {
             seen.insert(m.id, (m.hurt_time, dead, swing));
         }
         host.mob_state.insert(self.dim, seen);
+        // Level.broadcastEntityEvent(player, 2) of a spear's stab.
+        for attacker in kinetic_hits {
+            let hit = match attacker {
+                None => self
+                    .player
+                    .as_ref()
+                    .map(|p| (host.host_entity, [p.position.x, p.position.y, p.position.z])),
+                Some(conn) => host.hub.guest(conn).map(|g| (g.entity_id, g.position)),
+            };
+            if let Some((id, at)) = hit {
+                host.hub.entity_event(id, 2, at);
+            }
+        }
         for (attacker, target, magic) in critical_hits {
             let Some(attacker) = attacker.map_or(Some(host.host_entity), |conn| {
                 host.hub.guest(conn).map(|g| g.entity_id)
@@ -1630,13 +2025,45 @@ impl Game<'_> {
                 .each_ref()
                 .map(|s| s.as_ref().map(|s| s.item.clone()));
             m.extra.crouching = g.sneaking;
+            m.extra.avatar_pose = g.pose();
             m.extra.sprinting = g.sprinting;
+            // Entity.DATA_POSE and the shared and living flags the others
+            // get (hub::guest_body): gliding, swimming, Riptide's spin.
+            let body = lan::hub::guest_body(g);
+            m.extra.fall_flying = body.gliding;
+            m.extra.synced_pose = if body.swimming || body.crawling { 3 } else { 0 };
+            m.extra.auto_spin_attack = body.spin_attack;
+            m.velocity = g
+                .motion
+                .as_ref()
+                .map_or(Vec3::new(dx, dy, dz), |motion| motion.velocity);
+            m.tick_avatar_pose(
+                g.motion
+                    .as_ref()
+                    .is_some_and(|motion| motion.fluids.was_touching_water),
+            );
+            // CrossbowItem.isCharged: the held crossbow's projectiles.
+            m.extra.charged = g
+                .inventory
+                .get(g.selected)
+                .and_then(|s| s.as_ref())
+                .is_some_and(|s| s.data().is_some_and(|d| !d.charged.is_empty()));
+            // ClientInformation.mainHand (HumanoidArm: 0 left, 1 right).
+            m.extra.main_hand_left = g.info.main_hand == 0;
             // LivingEntity.DATA_EFFECT_PARTICLES: the swirls of its visible effects.
             let visible = || g.effects.list.iter().filter(|e| e.visible);
             m.extra.effect_particles = visible()
                 .filter_map(|e| super::client_ambient::effect_particle(e.id, e.ambient))
                 .collect();
             m.extra.effect_ambient = visible().all(|e| e.ambient);
+            // Entity.isInvisible: the invisibility effect hides the body (the
+            // model pass, the name tag rules and `trader::is_invisible` read it).
+            m.extra.effects.retain(|e| e.0 != "minecraft:invisibility");
+            if let Some(e) = g.effects.get("invisibility") {
+                m.extra
+                    .effects
+                    .push(("minecraft:invisibility", e.duration, e.amplifier));
+            }
             // Lying in its bed (LivingEntity.getBedOrientation).
             m.extra.ints[1] = g.bed.map_or(0, |b| self.bed_facing(b));
             // LivingEntity.updateSwingTime: the arm swing lan_swings started.
@@ -1647,6 +2074,18 @@ impl Game<'_> {
             let using = host.play.get(&g.conn).and_then(|p| p.using());
             m.extra.using_item = using.map_or(0, |(_, ticks)| ticks as i32 + 1);
             m.extra.using_off_hand = using.is_some_and(|(slot, _)| slot == OFFHAND_SLOT);
+            // AvatarRenderer.getArmPose: the used item's BLOCK animation (an
+            // item with `blocks_attacks`) raises the arm.
+            m.extra.blocking = using
+                .and_then(|(slot, _)| {
+                    if slot == OFFHAND_SLOT {
+                        m.extra.off_hand.as_ref()
+                    } else {
+                        m.extra.main_hand.as_ref()
+                    }
+                })
+                .and_then(|i| self.res.items().get(i))
+                .is_some_and(|i| i.blocks_attacks.is_some());
         }
     }
 
@@ -1697,8 +2136,22 @@ impl Game<'_> {
                 ),
                 out,
             );
+            self.player_elytra_geometry(
+                m,
+                m.extra.chest.as_deref(),
+                camera,
+                alpha as f32,
+                packed,
+                out,
+            );
+            self.spin_attack_geometry(m, camera, alpha as f32, packed, out);
             self.held_item_geometry(m, camera, alpha, packed, true, out);
-            if !m.glowing {
+            // LivingEntity.isCurrentlyGlowing: the guest's Glowing effect.
+            let guest = host.hub.guest(*conn);
+            if m.glowing || guest.is_some_and(|g| g.effects.get("glowing").is_some()) {
+                let team = guest.and_then(|g| self.score.board.players_team(&g.name));
+                self.mark_outline(&out[entity_start..], super::glowing::team_color(team));
+            } else {
                 self.cull_entity_vertices(out, entity_start);
             }
         }

crates/horizon-client/src/game/lan_actions.rs

@@ -5,7 +5,9 @@
 //! blocks, attacking and the commands all behave exactly as they do for the
 //! host, and every world change they cause reaches all players through the
 //! block log, the level events and the entity tracker.
-use super::{Game, GuestUse, Hit, Mining, Screen, lan::LanHost, respawn_anchor::RespawnConfig};
+use super::{
+    Dim, Game, GuestUse, Hit, Mining, Screen, lan::LanHost, respawn_anchor::RespawnConfig,
+};
 use horizon_client::{
     command::vanilla,
     containers::BlockEntity,
@@ -378,6 +380,7 @@ impl Game<'_> {
         std::mem::swap(&mut self.adv.changed, &mut g.advancements_changed);
         std::mem::swap(&mut self.adv.unlocked, &mut g.recipes_unlocked);
         std::mem::swap(&mut self.level.recipe_book, &mut g.recipe_book);
+        std::mem::swap(&mut self.level.player_extra, &mut g.saved);
         std::mem::swap(&mut self.stats, &mut play.stats);
         std::mem::swap(&mut self.hook, &mut play.hook);
         let adv_loaded = std::mem::replace(&mut self.adv.loaded, true);
@@ -610,6 +613,7 @@ impl Game<'_> {
         std::mem::swap(&mut self.adv.changed, &mut g.advancements_changed);
         std::mem::swap(&mut self.adv.unlocked, &mut g.recipes_unlocked);
         std::mem::swap(&mut self.level.recipe_book, &mut g.recipe_book);
+        std::mem::swap(&mut self.level.player_extra, &mut g.saved);
         std::mem::swap(&mut self.stats, &mut play.stats);
         std::mem::swap(&mut self.hook, &mut play.hook);
         self.adv.loaded = adv_loaded;
@@ -926,6 +930,45 @@ impl Game<'_> {
         d[0] * d[0] + d[1] * d[1] + d[2] * d[2] < range * range
     }
 
+    /// DedicatedServer.isUnderSpawnProtection: no operators, an operator or a
+    /// radius of 0 or less is never under it; else a block within the radius
+    /// of the world spawn (square, in the Overworld) is.
+    fn under_spawn_protection(&self, host: &LanHost, gi: usize, pos: [i32; 3]) -> bool {
+        let g = &host.hub.guests[gi];
+        let radius = host.hub.spawn_protection;
+        if self.options.dedicated.is_none() || radius <= 0 || g.dimension != "minecraft:overworld" {
+            return false;
+        }
+        let Some(spawn) = self.level.world_spawn else {
+            return false;
+        };
+        if host.hub.ops.is_empty() || host.hub.ops.contains_key(&g.uuid) {
+            return false;
+        }
+        let dx = pos[0].abs_diff(spawn[0]);
+        let dz = pos[2].abs_diff(spawn[2]);
+        dx.max(dz) <= radius as u32
+    }
+
+    /// ServerPlayer.sendSpawnProtectionMessage.
+    fn spawn_protection_message(&self, host: &LanHost, conn: u32, pos: [i32; 3]) {
+        let message = horizon_client::text::Text::translate(
+            "build.spawn_protection",
+            &[horizon_client::text::Text::literal(format!(
+                "{}, {}, {}",
+                pos[0], pos[1], pos[2]
+            ))],
+        )
+        .with_color(horizon_client::text::RED);
+        host.hub.send_to(
+            conn,
+            &C::SystemChat(play::SystemChat {
+                content: horizon_client::lan::data::component_nbt(&message.component()),
+                overlay: true,
+            }),
+        );
+    }
+
     /// A packet from a guest that the hub does not handle itself.
     pub(super) fn lan_guest_packet(&mut self, host: &mut LanHost, conn: u32, packet: S) {
         let Some(gi) = host.hub.guests.iter().position(|g| g.conn == conn) else {
@@ -950,6 +993,12 @@ impl Game<'_> {
                     if spectator {
                         return;
                     }
+                    // ServerPlayerGameMode.handleBlockBreakAction: no dig starts
+                    // under spawn protection (the ack puts the block back).
+                    if self.under_spawn_protection(host, gi, a.pos) {
+                        self.spawn_protection_message(host, conn, a.pos);
+                        return;
+                    }
                     let face = direction(i32::from(a.direction));
                     let play = host.play.entry(conn).or_default();
                     play.digging = Some((a.pos, face));
@@ -1063,19 +1112,25 @@ impl Game<'_> {
                     ],
                 };
                 let hand = if p.hand == 1 { Hand::Off } else { Hand::Main };
-                let logged = self.world.block_log.as_ref().map_or(0, Vec::len);
-                let heard = self.audio.capture.as_ref().map_or(0, Vec::len);
-                let swung = self.as_guest(host, conn, |g| {
-                    g.forced_hit = Some(hit);
-                    g.guest_use = Some(GuestUse::OnBlock(hand));
-                    let swings = g.swings_started;
-                    let _ = g.use_item();
-                    g.forced_hit = None;
-                    g.guest_use = None;
-                    g.swings_started != swings
-                });
-                self.lan_swing_back(host, conn, swung);
-                self.guest_use_sounds(host, conn, logged, heard);
+                // handleUseItemOn: under spawn protection nothing is used or
+                // placed; the player is told and the blocks below go back.
+                if self.under_spawn_protection(host, gi, p.pos) {
+                    self.spawn_protection_message(host, conn, p.pos);
+                } else {
+                    let logged = self.world.block_log.as_ref().map_or(0, Vec::len);
+                    let heard = self.audio.capture.as_ref().map_or(0, Vec::len);
+                    let swung = self.as_guest(host, conn, |g| {
+                        g.forced_hit = Some(hit);
+                        g.guest_use = Some(GuestUse::OnBlock(hand));
+                        let swings = g.swings_started;
+                        let _ = g.use_item();
+                        g.forced_hit = None;
+                        g.guest_use = None;
+                        g.swings_started != swings
+                    });
+                    self.lan_swing_back(host, conn, swung);
+                    self.guest_use_sounds(host, conn, logged, heard);
+                }
                 // The client predicted a result: correct it with what really is.
                 for pos in [
                     p.pos,
@@ -1097,14 +1152,25 @@ impl Game<'_> {
                 let hand = if p.hand == 1 { Hand::Off } else { Hand::Main };
                 let g = &mut host.hub.guests[gi];
                 (g.yaw, g.pitch) = (p.yaw, p.pitch);
-                let swung = self.as_guest(host, conn, |g| {
+                let heard = self.audio.capture.as_ref().map_or(0, Vec::len);
+                let used = self.as_guest(host, conn, |g| {
+                    // A horn's sound, inline instruments included.
+                    let horn = g.with_hand(hand, |g| {
+                        let held = g.held()?;
+                        g.res.items().instrument(held).map(|i| i.sound)
+                    });
                     g.guest_use = Some(GuestUse::Item(hand));
                     let swings = g.swings_started;
                     let _ = g.use_item();
                     g.guest_use = None;
-                    g.swings_started != swings
+                    (g.swings_started != swings, horn)
                 });
+                let (swung, horn) = match used {
+                    Some((swung, horn)) => (Some(swung), horn),
+                    None => (None, None),
+                };
                 self.lan_swing_back(host, conn, swung);
+                self.guest_instrument_sound(host, conn, heard, horn);
             }
             S::Attack(p) => self.guest_attack(host, conn, p.id),
             S::Interact(p) => {
@@ -1200,6 +1266,7 @@ impl Game<'_> {
             }
             S::RenameItem(p) => self.lan_station_rename(host, conn, &p.name),
             S::SignUpdate(p) => self.lan_sign_update(host, conn, p),
+            S::SetCommandBlock(p) => self.lan_set_command_block(host, conn, p),
             S::EditBook(p) => self.lan_edit_book(host, conn, p),
             S::ContainerSlotStateChanged(p) => {
                 self.lan_crafter_slot_state(host, conn, p.container, p.slot, p.enabled);
@@ -1324,6 +1391,9 @@ impl Game<'_> {
                 }
                 self.sync_rules();
             }
+            // handleTeleportToEntityPacket: a spectator goes to the player,
+            // in whichever level they are.
+            S::TeleportToEntity(p) if spectator => self.guest_spectate_teleport(host, gi, p.uuid),
             S::ChangeGameMode(p) if host.hub.guests[gi].permission >= 2 => {
                 if let Some(mode) = usize::try_from(p.mode)
                     .ok()
@@ -1374,19 +1444,68 @@ impl Game<'_> {
                     .unwrap_or_default();
                 host.hub.send_stats(conn, &stats);
             }
+            // handlePickItemFromBlock: a block within the block reach plus 1, its
+            // data only with infinite materials.
             S::PickItemFromBlock(p) => {
-                let state = self.world.block(p.pos[0], p.pos[1], p.pos[2]);
-                let item = self.res.facts().get(state).item.clone();
-                let g = &mut host.hub.guests[gi];
-                if g.creative() && &*item != "minecraft:air" {
-                    let slot = g.selected;
-                    g.inventory[slot] = Some(ItemStack::new(&item, 1));
-                }
+                self.guest_pick_item(host, conn, |g| {
+                    let eye = g.eye_position()?;
+                    let d2: f64 = (0..3)
+                        .map(|a| {
+                            let lo = f64::from(p.pos[a]);
+                            (eye[a] - eye[a].clamp(lo, lo + 1.0)).powi(2)
+                        })
+                        .sum();
+                    let range = g.reach() + 1.0;
+                    if d2 >= range * range {
+                        return None;
+                    }
+                    g.picked_stack(p.pos, g.creative && p.include_data)
+                });
+            }
+            // handlePickItemFromEntity.
+            S::PickItemFromEntity(p) => {
+                self.guest_pick_item(host, conn, |g| {
+                    g.within_entity_range(p.id)
+                        .then(|| g.entity_pick_result(p.id))
+                        .flatten()
+                });
             }
             _ => {}
         }
     }
 
+    /// `ServerGamePacketListenerImpl.tryPickItem` for the guest: a matching stack
+    /// is selected, else a creative player gets the item; the held slot is sent
+    /// back and the changed slots follow with the tick's inventory changes.
+    fn guest_pick_item(
+        &mut self,
+        host: &mut LanHost,
+        conn: u32,
+        stack: impl FnOnce(&mut Self) -> Option<ItemStack>,
+    ) {
+        let picked = self.as_guest(host, conn, |g| {
+            let stack = stack(g)?;
+            let infinite = g.creative;
+            horizon_client::pick_item::pick(
+                &mut g.inventory[..36],
+                &mut g.selected,
+                &stack,
+                infinite,
+            );
+            Some(())
+        });
+        if picked.flatten().is_some()
+            && let Some(g) = host.hub.guests.iter().find(|g| g.conn == conn)
+        {
+            host.hub.send_to(
+                conn,
+                &C::SetHeldSlot(play::SetHeldSlot {
+                    slot: g.selected as i32,
+                }),
+            );
+        }
+    }
+
     fn item_from_network(
         &self,
         host: &LanHost,
@@ -1402,6 +1521,51 @@ impl Game<'_> {
     /// and `Player.remove`'s `inventoryMenu.removed` drops what the cursor
     /// held (`dropOrPlaceInInventory` for a removed player). Respawning
     /// sooner removes it too.
+    /// `ServerGamePacketListenerImpl.handleTeleportToEntityPacket` for a
+    /// player: the host's own, or a guest in the world.
+    fn guest_spectate_teleport(&mut self, host: &mut LanHost, gi: usize, uuid: u128) {
+        let own = host.hub.guests[gi].conn;
+        let host_player = self
+            .player
+            .as_ref()
+            .filter(|_| self.options.dedicated.is_none() && uuid == host.host_uuid)
+            .map(|p| {
+                (
+                    [p.position.x, p.position.y, p.position.z],
+                    self.yaw,
+                    self.pitch,
+                    self.dim,
+                )
+            });
+        let target = host_player.or_else(|| {
+            host.hub
+                .guests
+                .iter()
+                .find(|g| g.placed && g.conn != own && g.uuid == uuid)
+                .map(|g| (g.position, g.yaw, g.pitch, Dim::from_id(&g.dimension)))
+        });
+        let Some((at, yaw, pitch, dim)) = target else {
+            return;
+        };
+        if Dim::from_id(&host.hub.guests[gi].dimension) != dim {
+            // Only a dedicated server keeps its players in different levels.
+            if self.options.dedicated.is_some() {
+                self.level_teleports
+                    .push(super::server_travel::LevelTeleport {
+                        conn: own,
+                        dim,
+                        at,
+                        rotation: Some([yaw, pitch]),
+                    });
+            }
+            return;
+        }
+        let g = &mut host.hub.guests[gi];
+        (g.yaw, g.pitch) = (yaw, pitch);
+        // A new body there: no fall distance or motion carried over.
+        g.motion = None;
+        host.hub.teleport(gi, Some(at));
+    }
     fn guest_tick_death(&mut self, host: &mut LanHost, gi: usize) {
         let g = &mut host.hub.guests[gi];
         g.death_time += 1;
@@ -1859,6 +2023,10 @@ impl Game<'_> {
         }
         if let Some(config) = elsewhere {
             self.respawn_trip(conn, config);
+        } else if in_frame_bed.is_none() && host.hub.guests[i].spawn.is_none() {
+            // TeleportTransition.createDefault: no point of its own, so the
+            // world spawn's free column once its chunks have loaded.
+            self.world_spawn_trip(conn);
         }
         if let Some(c) = in_frame_bed
             && self.dim == super::Dim::Overworld
@@ -1877,6 +2045,10 @@ impl Game<'_> {
                 host.hub.guests[i].yaw = yaw;
                 [at.x, at.y, at.z]
             });
+            if found.is_none() {
+                // TeleportTransition.missingRespawnBlock.
+                self.world_spawn_trip(conn);
+            }
             host.hub.teleport(i, Some(at));
         }
         if away && let Err(e) = self.enter_level(Some(host), back) {
@@ -1899,6 +2071,10 @@ impl Game<'_> {
             .filter(|g| host.hub.here(g) && g.loaded)
             .map(|g| g.conn)
             .collect();
+        // The players the guests' hooks can catch.
+        if host.play.values().any(|p| p.hook.is_some()) {
+            self.refresh_hook_targets(host);
+        }
         for conn in conns {
             let Some(gi) = host.hub.guests.iter().position(|g| g.conn == conn) else {
                 continue;
@@ -1935,7 +2111,13 @@ impl Game<'_> {
             let using = play.using.is_some();
             let delayed = play.destroy_delay > 0 || play.use_delay > 0 || play.attack_ticks < 100;
             if digging.is_some() || using || delayed {
+                // ServerPlayer.getKnownMovement: the move their client just sent.
+                let movement = host.hub.guests[gi]
+                    .moves
+                    .last()
+                    .map_or(Vec3::ZERO, |m| Vec3::new(m.0[0], m.0[1], m.0[2]));
                 self.as_guest(host, conn, |g| {
+                    g.known_movement = movement;
                     g.attack_ticks = g.attack_ticks.saturating_add(1);
                     if let Some((pos, face)) = digging {
                         g.forced_hit = Some(Hit {
@@ -1989,6 +2171,7 @@ impl Game<'_> {
             self.as_guest(host, conn, |g| {
                 g.tick_fishing();
                 g.tick_maps();
+                g.tick_lodestone_compasses();
                 g.count_tick_stats(sleeping);
                 g.tick_advancements();
                 g.update_player_attributes();
@@ -2015,7 +2198,7 @@ impl Game<'_> {
         let g = &mut host.hub.guests[gi];
         if g.health <= 0.0 && !g.dead {
             g.dead = true;
-            g.last_death = Some(g.position.map(|v| v.floor() as i32));
+            g.last_death = Some((g.dimension.clone(), g.position.map(|v| v.floor() as i32)));
             let (id, at) = (g.entity_id, g.position);
             let reward = Experience {
                 level: g.xp_level,
@@ -2041,14 +2224,25 @@ impl Game<'_> {
                     None => self.guest_death_message(conn, me),
                 };
                 let message = horizon_client::lan::data::component_nbt(&text.component());
-                let team = self.score.board.players_team(&name);
-                if horizon_client::scoreboard::own_death_message_shown(team) {
-                    host.hub.system_message(message.clone());
-                    if self.options.dedicated.is_some() {
+                let board = &self.score.board;
+                host.hub.system_message_to(message.clone(), |other| {
+                    horizon_client::scoreboard::death_message_reaches(board, &name, other)
+                });
+                if self.options.dedicated.is_some() {
+                    // Only a message for everyone is logged (`broadcastSystemMessage`).
+                    if board.players_team(&name).is_none_or(|t| {
+                        t.death_message_visibility == horizon_client::scoreboard::Visibility::Always
+                    }) {
                         super::dedicated::log("INFO", &format!("System chat: {}", text.plain()));
-                    } else if self.player.is_some() {
-                        self.system_message(text);
                     }
+                } else if self.player.is_some()
+                    && horizon_client::scoreboard::death_message_reaches(
+                        board,
+                        &name,
+                        super::chat::PLAYER_NAME,
+                    )
+                {
+                    self.system_message(text);
                 }
                 message
             } else {
@@ -2096,11 +2290,10 @@ impl Game<'_> {
         }
     }
 
-    /// `SleepStatus.areEnoughSleeping` and `areEnoughDeepSleeping` over the
-    /// host's player and the guests: of the players not in spectator mode,
-    /// players_sleeping_percentage of them (at least one) are in bed, and as
-    /// many have slept 100 ticks.
-    pub(super) fn enough_slept(&self) -> bool {
+    /// `SleepStatus.update`'s counts over the host's player and the guests:
+    /// the players not in spectator mode, how many are in bed, and how many
+    /// of those have slept 100 ticks.
+    fn sleep_counts(&self) -> (i64, i64, i64) {
         let (mut active, mut sleeping, mut deep) = (0i64, 0i64, 0i64);
         let mut count = |in_bed: bool, timer: u32| {
             active += 1;
@@ -2124,11 +2317,64 @@ impl Game<'_> {
                 count(g.bed.is_some(), g.sleep_timer);
             }
         }
+        (active, sleeping, deep)
+    }
+
+    /// `SleepStatus.sleepersNeeded`.
+    fn sleepers_needed(&self, active: i64) -> i64 {
         let percent = i64::from(self.ui.rules.int("players_sleeping_percentage").max(0));
-        let needed = ((active * percent + 99) / 100).max(1);
+        ((active * percent + 99) / 100).max(1)
+    }
+
+    /// `SleepStatus.areEnoughSleeping` and `areEnoughDeepSleeping` over the
+    /// host's player and the guests: of the players not in spectator mode,
+    /// players_sleeping_percentage of them (at least one) are in bed, and as
+    /// many have slept 100 ticks.
+    pub(super) fn enough_slept(&self) -> bool {
+        let (active, sleeping, deep) = self.sleep_counts();
+        let needed = self.sleepers_needed(active);
         sleeping >= needed && deep >= needed
     }
 
+    /// `ServerLevel.updateSleepingPlayerList` and `announceSleepStatus`: when
+    /// the players or the sleepers change, a published or dedicated world
+    /// shows everyone "n/m players sleeping", or "Sleeping through this
+    /// night" once enough are in bed, on the action bar.
+    pub(super) fn announce_sleep_status(&mut self) {
+        let (active, sleeping, _) = self.sleep_counts();
+        let (old_active, old_sleeping) = self.sleep_seen;
+        self.sleep_seen = (active, sleeping);
+        let changed = (old_sleeping > 0 || sleeping > 0)
+            && (old_active != active || old_sleeping != sleeping);
+        let published = self.lan.is_some() || self.options.dedicated.is_some();
+        if !changed || !published {
+            return;
+        }
+        // ServerLevel.canSleepThroughNights.
+        if self.ui.rules.int("players_sleeping_percentage") > 100 {
+            return;
+        }
+        let needed = self.sleepers_needed(active);
+        let text = if sleeping >= needed {
+            horizon_client::text::Text::translate("sleep.skipping_night", &[])
+        } else {
+            horizon_client::text::Text::translate(
+                "sleep.players_sleeping",
+                &[
+                    horizon_client::text::Text::literal(sleeping.to_string()),
+                    horizon_client::text::Text::literal(needed.to_string()),
+                ],
+            )
+        };
+        if let Some(host) = self.lan.as_ref() {
+            host.hub
+                .overlay_message(horizon_client::lan::data::component_nbt(&text.component()));
+        }
+        if self.options.dedicated.is_none() {
+            self.titles.set_overlay(text, false);
+        }
+    }
+
     /// `ServerLevel.wakeUpAllPlayers` for the guests.
     pub(super) fn wake_guests(&mut self) {
         if let Some(host) = self.lan.as_mut() {
@@ -2184,16 +2430,18 @@ impl Game<'_> {
             if !g.effects.list.is_empty() {
                 self.as_guest(host, conn, |game| game.tick_mob_effects());
             }
+            self.as_guest(host, conn, |game| game.handle_shoulder_entities());
             return;
         }
         let in_wall = !g.sleeping && self.in_wall(g.position, g.eye_height());
         let at = g.position;
-        let sneaking = g.sneaking;
+        let (sneaking, sleeping) = (g.sneaking, g.sleeping);
         let mut soul = None;
         let events = self.as_guest(host, conn, |game| {
             let (rules, motion) = (game.world.health_rules, game.motion);
             let health = &motion.health;
             let freeze_immune = game.wears_freeze_immune();
+            let burn_immune = game.wears_burn_from_stepping_immunity();
             let Some(player) = game.player.as_mut() else {
                 return (Vec::new(), None);
             };
@@ -2257,7 +2505,9 @@ impl Game<'_> {
             // Entity.applyEffectsFromBlocks along those moves: magma, cactus,
             // lit campfires and grown sweet berry bushes hurt (#1305).
             w.player.shift_key_down = sneaking;
+            let _ = w.player.set_sleeping(sleeping);
             w.player.freeze_immune = freeze_immune;
+            w.player.burn_from_stepping_immune = burn_immune;
             let _ = w.server_block_damage(start);
             let _ = w.update_soul_speed_block();
             let _ = w.tick_environment_damage();
@@ -2273,6 +2523,8 @@ impl Game<'_> {
                     game.cauldron_extinguish(*pos);
                 }
             }
+            // Entity.baseTick: rain puts out a burning player.
+            game.rain_extinguish_player();
             // WitherRoseBlock.entityInside along those moves.
             for event in &events {
                 if matches!(event, MotionEvent::InsideWitherRose) {
@@ -2284,12 +2536,16 @@ impl Game<'_> {
             for d in travelled {
                 game.movement_stats(Vec3::new(d[0], d[1], d[2]));
             }
+            // LivingEntity.baseTick: a new block position runs the worn
+            // enchantments' location_changed effects (frost walker).
+            game.location_changed_effects([start.x, start.y, start.z], from_ground);
             // LivingEntity.baseTick: outside the world border, then tickEffects.
             game.border_damage();
             game.tick_mob_effects();
             // Soul Speed's effects (LivingEntity.baseTick's location_changed
             // and tick effects); its particle goes to the players around.
             soul = game.tick_soul_speed();
+            game.handle_shoulder_entities();
             let Some(player) = game.player.as_mut() else {
                 return (Vec::new(), None);
             };
@@ -2321,7 +2577,10 @@ impl Game<'_> {
         if let Some((at, velocity)) = soul {
             super::lan_particles::send_soul_particle(host, at, velocity);
         }
-        self.as_guest(host, conn, |game| game.tick_player_sculk_events());
+        self.as_guest(host, conn, |game| {
+            game.sculk_step_on_player();
+            game.tick_player_sculk_events();
+        });
         for event in events {
             match event {
                 MotionEvent::HurtSound(sound) => self.player_hurt_sound(sound, at),
@@ -2333,6 +2592,15 @@ impl Game<'_> {
                     speed,
                 }) => self.landing_dust(Some(host), state, position, count, speed),
                 MotionEvent::Fall(event) => self.landing_block_updates(&event),
+                // LivingEntity.baseTick's entity event 67, to every client
+                // around, the guest's own included; this window draws it too.
+                MotionEvent::Drown => {
+                    if let Some(g) = host.hub.guest(conn) {
+                        host.hub
+                            .entity_event(g.entity_id, super::combat::DROWN_EVENT, at);
+                    }
+                    self.drown_particles(at, [0.0; 3]);
+                }
                 // HoneyBlock.maybeDoSlideEffects: the sound reaches the
                 // others (Player.playSound excludes the player, whose client
                 // plays it), the entity event 53 everyone around.
@@ -2616,9 +2884,15 @@ impl Game<'_> {
 
     /// Dropped items touching a guest go into their inventory.
     fn guest_pickups(&mut self, host: &mut LanHost, gi: usize) {
-        let (conn, mode, position, id) = {
+        let (conn, mode, position, id, uuid) = {
             let g = &host.hub.guests[gi];
-            (g.conn, g.game_mode, g.position, g.entity_id)
+            (
+                g.conn,
+                g.game_mode,
+                g.position,
+                g.entity_id,
+                horizon_client::lan::playerdata::uuid_ints(g.uuid),
+            )
         };
         if mode == SPECTATOR || self.dropped.is_empty() {
             return;
@@ -2629,6 +2903,7 @@ impl Game<'_> {
             .enumerate()
             .filter(|(_, d)| {
                 d.pickup_delay == 0
+                    && d.target.is_none_or(|t| t == uuid)
                     && (d.position.x - position[0]).abs() < 1.5
                     && (d.position.z - position[2]).abs() < 1.5
                     && d.position.y > position[1] - 0.6
@@ -2668,8 +2943,7 @@ impl Game<'_> {
     /// with Mending and gives the rest as points. Everyone near hears it.
     fn guest_orbs(&mut self, host: &mut LanHost, gi: usize) {
         let g = &host.hub.guests[gi];
-        // Player's standing and crouching boxes: 1.8 and 1.5 high.
-        let height = if g.sneaking { 1.5 } else { 1.8 };
+        let height = f64::from(g.dimensions().height);
         let (conn, id, at) = (g.conn, g.entity_id, g.position);
         let unable = g.spectator() || g.dead || g.health <= 0.0;
         let play = host.play.entry(conn).or_default();
@@ -2811,6 +3085,30 @@ impl Game<'_> {
         }
     }
 
+    /// `InstrumentItem.play`'s `level.playSound(player, ...)`: the others hear
+    /// a guest's horn now, the guest's own client played it as it used it.
+    fn guest_instrument_sound(
+        &mut self,
+        host: &mut LanHost,
+        conn: u32,
+        heard: usize,
+        horn: Option<String>,
+    ) {
+        let (Some(horn), Some(capture)) = (horn, self.audio.capture.as_mut()) else {
+            return;
+        };
+        let mut i = heard.min(capture.len());
+        while i < capture.len() {
+            if capture[i].0 == horn {
+                let (name, at, volume, pitch) = capture.remove(i);
+                let source = horizon_client::settings::sound_source(&name) as i32;
+                host.hub.sound(&name, at, volume, pitch, source, Some(conn));
+            } else {
+                i += 1;
+            }
+        }
+    }
+
     /// Positional sounds and level events of the tick, for the guests.
     pub(super) fn lan_broadcast_effects(&mut self, host: &mut LanHost) {
         let sounds = self.audio.capture.take().unwrap_or_default();
@@ -2872,7 +3170,8 @@ impl Game<'_> {
                 let packet = swing_packet(id, c.hand, c.animation);
                 host.hub.broadcast_near(at, 128.0, &packet, Some(conn));
                 if let Some(m) = host.models.get_mut(&conn) {
-                    m.swing();
+                    // The duration already counts the guest's haste or fatigue.
+                    m.swing_hand(c.hand == Hand::Off, c.duration_ticks);
                 }
             }
             play.swing.tick();

crates/horizon-client/src/game/lan_attributes.rs

@@ -24,6 +24,37 @@ fn slot_in_group(group: &str, slot: &str) -> bool {
 }
 
 impl Game<'_> {
+    /// `getAttributeValue(KNOCKBACK_RESISTANCE)` of a mob: its own value plus
+    /// the modifiers of the items it wears or holds in matching slots.
+    pub(super) fn mob_knockback_resistance(&self, m: &Mob) -> f64 {
+        let e = &m.extra;
+        let slots = [
+            ("mainhand", &e.main_hand),
+            ("offhand", &e.off_hand),
+            ("feet", &e.feet),
+            ("legs", &e.legs),
+            ("chest", &e.chest),
+            ("head", &e.head),
+        ];
+        let mut extra = Vec::new();
+        for (slot, item) in slots {
+            let Some(info) = item.as_ref().and_then(|i| self.res.items().get(i)) else {
+                continue;
+            };
+            for (attribute, _, amount, op, group) in &info.modifiers {
+                if attribute == "minecraft:knockback_resistance" && slot_in_group(group, slot) {
+                    let op = match operation_named(op) {
+                        1 => Op::AddMultipliedBase,
+                        2 => Op::AddMultipliedTotal,
+                        _ => Op::AddValue,
+                    };
+                    extra.push((*amount, op));
+                }
+            }
+        }
+        finalize::value_with(m, Attr::KnockbackResistance, &extra)
+    }
+
     /// The registry id of a client-syncable attribute the entity type has
     /// (`AttributeMap.getInstance` is null for the others), by name.
     fn synced_attribute(&self, entity: &str, name: &str) -> Option<i32> {

crates/horizon-client/src/game/lan_entities.rs

@@ -11,18 +11,6 @@ use horizon_client::lan::{
 use horizon_protocol::entity_data::{Value, serializer};
 use horizon_world::nbt::Tag;
 
-/// `ArmorStand`'s default poses (head, body, left arm, right arm, left leg,
-/// right leg), DATA_HEAD_POSE to DATA_RIGHT_LEG_POSE (entries 16 to 21),
-/// under their `Pose` keys.
-const STAND_POSES: [(&str, [f32; 3]); 6] = [
-    ("Head", [0.0, 0.0, 0.0]),
-    ("Body", [0.0, 0.0, 0.0]),
-    ("LeftArm", [-10.0, 0.0, -10.0]),
-    ("RightArm", [-15.0, 0.0, 10.0]),
-    ("LeftLeg", [-1.0, 0.0, -1.0]),
-    ("RightLeg", [1.0, 0.0, 1.0]),
-];
-
 fn state(id: u32, kind: &str, position: [f64; 3], yaw: f32, on_ground: bool) -> EntityState {
     EntityState {
         id: id as i32,
@@ -61,28 +49,21 @@ fn vehicle_meta(hurt_time: i32, hurt_dir: i32, damage: f32) -> Vec<(u8, i32, Val
     meta
 }
 
-/// An armor stand's pose from its compound (`ArmorStandPose`), each part
-/// that differs from the default.
-fn stand_poses(raw: Option<&Tag>) -> Vec<(u8, i32, Value)> {
-    let Some(pose) = raw.and_then(|t| t.get("Pose")) else {
-        return Vec::new();
-    };
+/// An armor stand's pose (`ArmorStandPose`), each part that differs from the
+/// default, as DATA_HEAD_POSE to DATA_RIGHT_LEG_POSE (entries 16 to 21).
+fn stand_poses(a: &horizon_client::entities::ArmorStand) -> Vec<(u8, i32, Value)> {
     let mut meta = Vec::new();
-    for (i, (key, default)) in STAND_POSES.iter().enumerate() {
-        let Some(Tag::List(values)) = pose.get(key) else {
-            continue;
-        };
-        let mut r = *default;
-        for (k, v) in values.iter().take(3).enumerate() {
-            if let Tag::Float(bits) = v {
-                r[k] = f32::from_bits(*bits);
-            }
-        }
-        if r != *default {
+    for (i, (rotation, default)) in a
+        .pose
+        .iter()
+        .zip(horizon_client::entities::ArmorStand::DEFAULT_POSE)
+        .enumerate()
+    {
+        if *rotation != default {
             meta.push((
                 16 + i as u8,
                 serializer::ROTATIONS,
-                Value::Floats(r.to_vec()),
+                Value::Floats(rotation.to_vec()),
             ));
         }
     }
@@ -185,7 +166,19 @@ impl Game<'_> {
             if flags != 0 {
                 e.meta.push((15, serializer::BYTE, Value::Byte(flags)));
             }
-            e.meta.extend(stand_poses(self.persist.raw.get(&a.id)));
+            e.meta.extend(stand_poses(a));
+            // A pose put back to its default (`/data`) is sent as that default.
+            e.defaults.push((15, serializer::BYTE, Value::Byte(0)));
+            for (i, default) in horizon_client::entities::ArmorStand::DEFAULT_POSE
+                .iter()
+                .enumerate()
+            {
+                e.defaults.push((
+                    16 + i as u8,
+                    serializer::ROTATIONS,
+                    Value::Floats(default.to_vec()),
+                ));
+            }
             // Stored main hand, off hand, feet, legs, chest, head: the wire's slots 0 to 5.
             for (slot, item) in a.equipment.iter().enumerate() {
                 if item.is_some() {
@@ -403,6 +396,9 @@ impl Game<'_> {
             let mut e = state(t.id, "minecraft:trident", at(t.position), t.yaw, false);
             e.pitch = t.pitch;
             e.velocity = at(t.velocity);
+            // Projectile.getAddEntityPacket: the owner's id; a trident here is
+            // always the host player's.
+            e.data = owner(Some(horizon_client::mobs::Who::Player));
             e.meta = arrow_meta(false, t.no_physics, 0, t.in_ground);
             // ThrownTrident.ID_LOYALTY and ID_FOIL.
             if t.loyalty != 0 {
@@ -469,7 +465,9 @@ impl Game<'_> {
         // The dragon's breath clouds (AreaEffectCloud's DATA_RADIUS,
         // DATA_WAITING for its 20-tick wait, and DATA_PARTICLE): the
         // client draws them from these (`tick_remote_clouds`).
-        let breath = self.network_particle(
+        // The hub is out of `self.lan` meanwhile, so it is passed in.
+        let breath = Self::hub_particle(
+            hub,
             &horizon_client::particles::ParticleOptions::simple(
                 horizon_client::particles::ParticleType::DragonBreath,
             ),
@@ -527,11 +525,9 @@ mod tests {
 
     #[test]
     fn armor_stand_poses_send_only_what_differs() {
-        let tag =
-            horizon_world::nbt::parse_snbt("{Pose:{Head:[10f,20f,0f],LeftArm:[-10f,0f,-10f]}}")
-                .unwrap()
-                .0;
-        let meta = stand_poses(Some(&tag));
+        let mut stand = horizon_client::entities::ArmorStand::new(1, Default::default(), 0.0);
+        stand.pose[0] = [10.0, 20.0, 0.0];
+        let meta = stand_poses(&stand);
         assert_eq!(
             meta,
             vec![(
@@ -540,6 +536,7 @@ mod tests {
                 Value::Floats(vec![10.0, 20.0, 0.0])
             )]
         );
-        assert!(stand_poses(None).is_empty());
+        let plain = horizon_client::entities::ArmorStand::new(1, Default::default(), 0.0);
+        assert!(stand_poses(&plain).is_empty());
     }
 }

crates/horizon-client/src/game/lan_mobs.rs

@@ -5,7 +5,7 @@
 //! (hits, pushes, fire, its projectiles) runs with that guest swapped in.
 use super::{Game, lan::LanHost};
 use horizon_client::{
-    mobs::{Mob, MobEvent, PlayerView, Who},
+    mobs::{Mob, MobEvent, PlayerView, Species, Who},
     projectiles::{Hit, Projectile},
 };
 use horizon_core::geometry::{Aabb, Vec3};
@@ -26,8 +26,38 @@ pub(super) fn player_for(
     guests: &GuestViews,
     bound: Option<u32>,
 ) -> Option<u32> {
+    // A tame cat reads its owner wherever they are while they sleep, or just
+    // woke up (`CatRelaxOnOwnerGoal` uses `getOwner`, not the nearest player).
+    if m.species() == Species::Cat
+        && m.extra.tame
+        && let Some(owner) = m.extra.owner
+    {
+        let asleep = |v: &PlayerView| v.uuid == owner && (v.sleeping || v.sleep_timer > 0);
+        if host.is_some_and(asleep) {
+            return None;
+        }
+        if let Some((conn, _)) = guests.iter().find(|(_, v)| asleep(v)) {
+            return Some(*conn);
+        }
+    }
     let targeting = m.ai.target == Some(Who::Player)
         || m.ai.last_hurt_by == Some(Who::Player) && m.age as i32 - m.ai.last_hurt_by_time <= 100;
+    // A tame wolf, cat or parrot sees its owner (`TamableAnimal.getOwner`), while they
+    // are in play, whoever is nearer. Not while it targets or was just hurt by
+    // a player: then `Who::Player` is that attacker, whoever it is, and the
+    // owner goals ignore it until the wolf lets go.
+    if !targeting
+        && matches!(m.species(), Species::Wolf | Species::Cat | Species::Parrot)
+        && m.extra.tame
+        && let Some(owner) = m.extra.owner
+    {
+        if host.is_some_and(|v| v.alive && v.uuid == owner) {
+            return None;
+        }
+        if let Some((conn, _)) = guests.iter().find(|(_, v)| v.alive && v.uuid == owner) {
+            return Some(*conn);
+        }
+    }
     choose(m.position, targeting, host, guests, bound)
 }
 
@@ -65,11 +95,20 @@ pub(super) fn acts_on_player(e: &MobEvent) -> bool {
     matches!(
         e,
         MobEvent::AttackPlayer(..)
+            | MobEvent::AttackPlayerWithEffect { .. }
             | MobEvent::DamagePlayer { .. }
+            | MobEvent::SonicBoom {
+                target: Who::Player,
+                ..
+            }
             | MobEvent::Push {
                 target: Who::Player,
                 ..
             }
+            | MobEvent::Knockback {
+                target: Who::Player,
+                ..
+            }
             | MobEvent::Ignite {
                 target: Who::Player,
                 ..
@@ -80,6 +119,7 @@ pub(super) fn acts_on_player(e: &MobEvent) -> bool {
             }
             | MobEvent::EffectPlayer { .. }
             | MobEvent::AxolotlSupportPlayer
+            | MobEvent::ParrotToShoulder { .. }
     )
 }
 
@@ -175,9 +215,9 @@ impl Game<'_> {
             .iter()
             .filter(|g| host.hub.here(g) && g.loaded && !g.dead && !g.spectator())
             .map(|g| {
-                let [x, y, z] = g.position;
-                let height = if g.sneaking { 1.5 } else { 1.8 };
-                ([x - 0.3, y, z - 0.3], [x + 0.3, y + height, z + 0.3])
+                let b = g.bounds();
+                let (lo, hi) = (b.min_position(), b.max_position());
+                ([lo.x, lo.y, lo.z], [hi.x, hi.y, hi.z])
             })
             .collect()
     }
@@ -319,7 +359,7 @@ impl Game<'_> {
                     uuid: horizon_client::lan::playerdata::uuid_ints(g.uuid),
                     position: g.position,
                     eye: [x, y + g.eye_height(), z],
-                    height: if g.sneaking { 1.5 } else { 1.8 },
+                    height: g.dimensions().height,
                     creative: g.creative(),
                     spectator: g.spectator(),
                     alive: !g.dead,
@@ -336,14 +376,9 @@ impl Game<'_> {
     }
 }
 
-/// A guest's bounding box (0.6 wide, 1.8 tall, 1.5 crouching).
+/// A guest's bounding box, by its pose (`Avatar.POSES`).
 pub(super) fn guest_bounds(g: &horizon_client::lan::guest::Guest) -> Aabb {
-    let [x, y, z] = g.position;
-    let height = if g.sneaking { 1.5 } else { 1.8 };
-    Aabb::new(
-        Vec3::new(x - 0.3, y, z - 0.3),
-        Vec3::new(x + 0.3, y + height, z + 0.3),
-    )
+    g.bounds()
 }
 
 #[cfg(test)]
@@ -358,6 +393,7 @@ mod tests {
             alive: true,
             creative,
             sneaking: false,
+            swimming: false,
             look: [0.0; 3],
             main_hand: None,
             off_hand: None,
@@ -369,11 +405,15 @@ mod tests {
             last_hurt: None,
             velocity: Vec3::ZERO,
             yaw: 0.0,
+            sprinting: false,
+            riding: false,
             hero: false,
             effects: Vec::new(),
             uuid: [0; 4],
             allies: Default::default(),
             remote: false,
+            sleeping: false,
+            sleep_timer: 0,
         }
     }
 

crates/horizon-client/src/game/lan_particles.rs

@@ -82,6 +82,40 @@ impl Game<'_> {
         }
     }
 
+    /// `ServerLevel.sendParticles` of a mob's particles: a packet to each
+    /// player within 32 blocks. The window draws its own copy.
+    pub(super) fn lan_level_particles(
+        &self,
+        options: &ParticleOptions,
+        at: [f64; 3],
+        spread: [f64; 3],
+        speed: f64,
+        count: u32,
+    ) {
+        let (Some(host), Some(particle)) = (&self.lan, self.network_particle(options, None)) else {
+            return;
+        };
+        let packet = C::LevelParticles(play::LevelParticles {
+            particle,
+            override_limiter: false,
+            always_show: false,
+            pos: at,
+            dist: spread.map(|d| d as f32),
+            max_speed: [speed as f32; 3],
+            count: count as i32,
+            randomization: 0,
+        });
+        for g in host.hub.guests.iter().filter(|g| host.hub.here(g)) {
+            // ServerLevel compares the player's block centre, strictly within 32.
+            let distance: f64 = (0..3)
+                .map(|k| (g.position[k].floor() + 0.5 - at[k]).powi(2))
+                .sum();
+            if distance < 32.0 * 32.0 {
+                g.send(&packet);
+            }
+        }
+    }
+
     /// `LivingEntity.checkFallDamage`'s `ServerLevel.sendParticles` of the
     /// landing block's crumbs: drawn in this window, when it has one, and
     /// sent to each player within 32 blocks. `host` is the hub of a guest's
@@ -156,7 +190,7 @@ impl Game<'_> {
 
     /// `network_particle` for a hub that is out of `self.lan` meanwhile (a
     /// guest's turn).
-    fn hub_particle(
+    pub(super) fn hub_particle(
         hub: &Hub,
         options: &ParticleOptions,
         state: Option<BlockStateId>,
@@ -247,14 +281,10 @@ impl Game<'_> {
             return;
         };
         let (d, s) = (p.dist.map(f64::from), p.max_speed.map(f64::from));
-        // ClientLevel.addParticle: the camera's 32 blocks unless the packet
-        // (`force`) or the type overrides the limiter.
+        // ClientLevel.addParticle: the camera's 32 blocks and the Particles
+        // option, unless the packet or the type overrides the limiter.
         let add = |particles: &mut horizon_client::particles::ParticleEngine, at, v| {
-            if p.override_limiter {
-                particles.create(&options, at, v);
-            } else {
-                particles.add(&options, at, v);
-            }
+            particles.add_with(&options, at, v, p.override_limiter, p.always_show);
         };
         if p.count == 0 {
             add(

crates/horizon-client/src/game/lan_pvp.rs

@@ -12,6 +12,7 @@ use horizon_client::{
     mobs::Who,
     projectiles::{Hit, Projectile, ProjectileKind},
 };
+use horizon_core::geometry::{Aabb, Vec3};
 
 /// The player projectiles that meet other players: arrows (their hurt), and
 /// snowballs and eggs, which break on them (`Player.hurtServer` takes no 0
@@ -24,7 +25,7 @@ pub(super) fn meets_players(kind: &ProjectileKind) -> bool {
 }
 
 /// Who a player's attack lands on.
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, PartialEq, Eq)]
 pub(super) enum Victim {
     Host,
     Guest(u32),
@@ -40,6 +41,8 @@ pub(super) struct Strike {
     /// `Player.attack`'s `magicBoost > 0`: the enchantments added damage.
     magic: bool,
     from: [f64; 3],
+    /// `getSecondsToDisableBlocking` of the attacker's weapon.
+    disable_blocking: f32,
     sweep: Option<[f64; 3]>,
     /// `causeExtraKnockback`: its strength and direction (the attacker's
     /// yaw), and whether the hit is a sprinting knockback attack.
@@ -47,6 +50,26 @@ pub(super) struct Strike {
     knockback_attack: bool,
     /// The attacker's team, for the victim's `Player.canHarmPlayer`.
     team: Option<horizon_client::scoreboard::Team>,
+    /// The sweep's damage to the players around the victim.
+    sweep_hit: Option<Sweep>,
+}
+
+/// A sweep attack's reach to the other players (`Player.doSweepAttack`),
+/// worked out as the attacker.
+#[derive(Clone)]
+pub(super) struct Sweep {
+    /// The attacking guest (none: the host).
+    attacker: Option<u32>,
+    from: [f64; 3],
+    /// The damage after the enchantments and the attack strength.
+    damage: f32,
+    /// The push along the attacker's yaw.
+    knockback: (f64, f64),
+    team: Option<horizon_client::scoreboard::Team>,
+    /// The target's box grown by (1, 0.25, 1).
+    pub(super) hit_box: Aabb,
+    /// The player the sweep started from, which it spares.
+    skip: Option<Victim>,
 }
 
 impl Strike {
@@ -113,6 +136,10 @@ impl Game<'_> {
         let from = [p.position.x, p.position.y, p.position.z];
         let (amount, scale, crit, magic) = self.melee_damage("minecraft:player");
         let sweep = self.sweep_attack_position(scale, crit);
+        let sweep_hit = sweep.map(|_| {
+            let base = self.sweep_base_damage(scale);
+            self.player_sweep(base, scale)
+        });
         let (strength, knockback_attack) = self.extra_knockback("minecraft:player", scale);
         let (xd, zd) = self.extra_knockback_direction();
         self.attack_ticks = 0;
@@ -122,6 +149,14 @@ impl Game<'_> {
             p.cause_food_exhaustion(0.1);
         }
         self.swing_arm();
+        // LivingEntity.getSecondsToDisableBlocking: the held weapon's value,
+        // none while another item is in use.
+        let disable_blocking = if self.using.is_some() {
+            0.0
+        } else {
+            self.attack_item_info()
+                .map_or(0.0, |i| i.disable_blocking_seconds)
+        };
         Some(Strike {
             attacker: self.lan_acting,
             amount,
@@ -129,10 +164,12 @@ impl Game<'_> {
             crit,
             magic,
             from,
+            disable_blocking,
             sweep,
             knockback: (strength, xd, zd),
             knockback_attack,
             team: self.player_team().cloned(),
+            sweep_hit,
         })
     }
 
@@ -243,7 +280,9 @@ impl Game<'_> {
         // Player.attack: the hurt (with its knockback away from the
         // attacker), then causeExtraKnockback along the attacker's yaw.
         let land = |g: &mut Self| {
+            g.combat.player_attacker = Some((s.from, s.disable_blocking));
             let hurt = g.mob_hits_player(s.amount, s.from, "minecraft:player_attack");
+            g.combat.player_attacker = None;
             let (strength, xd, zd) = s.knockback;
             if hurt && strength > 0.0 {
                 g.knock_back_player(f64::from(strength), xd, zd);
@@ -300,9 +339,118 @@ impl Game<'_> {
         };
         if let Some(at) = s.sweep.filter(|_| hurt) {
             self.sweep_attack(at, Some(s.from));
+            // The other players next to the victim (Player.doSweepAttack).
+            let bounds = match victim {
+                Victim::Host => self.player.as_ref().map(|p| p.bounds()),
+                Victim::Guest(conn) => host.hub.guest(conn).map(guest_bounds),
+            };
+            if let (Some(sweep), Some(bounds)) = (&s.sweep_hit, bounds) {
+                self.sweep_players(
+                    host,
+                    &Sweep {
+                        hit_box: bounds.inflate(Vec3::new(1.0, 0.25, 1.0)),
+                        skip: Some(victim),
+                        ..sweep.clone()
+                    },
+                );
+            }
         } else {
             self.audio.play(sound, Some(s.from), 1.0, 1.0);
         }
         hurt
     }
+
+    /// The sweep of the player in place, for the players it reaches: the
+    /// damage (`1 + ratio * baseDamage`, plus the enchantments against a
+    /// player, scaled by the attack strength) and who hits. The box is set
+    /// by the caller.
+    pub(super) fn player_sweep(&mut self, base: f32, scale: f32) -> Sweep {
+        let from = self
+            .player
+            .as_ref()
+            .map_or([0.0; 3], |p| [p.position.x, p.position.y, p.position.z]);
+        let damage = (base + self.enchant_damage_bonus("minecraft:player")) * scale;
+        Sweep {
+            attacker: self.lan_acting,
+            from,
+            damage,
+            knockback: self.extra_knockback_direction(),
+            team: self.player_team().cloned(),
+            hit_box: Aabb::new(Vec3::ZERO, Vec3::ZERO),
+            skip: None,
+        }
+    }
+
+    /// A sweep from a mob hit reaches the other players. Inside a guest's
+    /// turn the host holds the other players (`as_guest`), so it waits for
+    /// the turn to end.
+    pub(super) fn sweep_other_players(&mut self, sweep: Sweep) {
+        if self.lan_acting.is_some() {
+            self.creatures.sweeps.push(sweep);
+        } else if let Some(mut host) = self.lan.take() {
+            self.sweep_players(&mut host, &sweep);
+            self.lan = Some(host);
+        }
+    }
+
+    /// The sweeps guests' turns put off.
+    pub(super) fn flush_sweeps(&mut self) {
+        for sweep in std::mem::take(&mut self.creatures.sweeps) {
+            self.sweep_other_players(sweep);
+        }
+    }
+
+    /// `Player.doSweepAttack` on the players: each other player in the box,
+    /// closer than 3 blocks (`distanceToSqr < 9`) and not an ally
+    /// (`isAlliedTo`), is hurt (`ServerPlayer.canHarmPlayer`: the `pvp` rule)
+    /// and pushed 0.4 along the attacker's yaw.
+    pub(super) fn sweep_players(&mut self, host: &mut LanHost, sweep: &Sweep) {
+        let from = Vec3::new(sweep.from[0], sweep.from[1], sweep.from[2]);
+        let mut victims = Vec::new();
+        if sweep.attacker.is_some()
+            && self.options.dedicated.is_none()
+            && !self.spectator()
+            && let Some(p) = self.player.as_ref()
+            && !p.health.dead_or_dying()
+            && p.bounds().intersects(sweep.hit_box)
+            && p.position.distance_squared(from) < 9.0
+        {
+            victims.push((Victim::Host, self.player_team().cloned()));
+        }
+        for g in &host.hub.guests {
+            if host.hub.here(g)
+                && g.loaded
+                && !g.dead
+                && !g.spectator()
+                && sweep.attacker != Some(g.conn)
+                && guest_bounds(g).intersects(sweep.hit_box)
+                && Vec3::new(g.position[0], g.position[1], g.position[2]).distance_squared(from)
+                    < 9.0
+            {
+                let team = self.score.board.players_team(&g.name).cloned();
+                victims.push((Victim::Guest(g.conn), team));
+            }
+        }
+        let (xd, zd) = sweep.knockback;
+        let land = |g: &mut Self| {
+            let hurt = g.mob_hits_player(sweep.damage, sweep.from, "minecraft:player_attack");
+            if hurt {
+                g.knock_back_player(0.4, xd, zd);
+            }
+        };
+        for (victim, team) in victims {
+            if sweep.skip == Some(victim)
+                || horizon_client::scoreboard::teams_allied(team.as_ref(), sweep.team.as_ref())
+                || !self.ui.rules.bool("pvp")
+            {
+                continue;
+            }
+            match victim {
+                Victim::Host => land(self),
+                Victim::Guest(conn) => {
+                    self.guest_struck_by(host, conn, land);
+                }
+            }
+        }
+    }
 }

crates/horizon-client/src/game/lan_screen.rs

@@ -5,14 +5,10 @@
 //! forcing the game mode. Its difficulty lock asks first (PopupScreen), and
 //! Restrictions opens RestrictionsScreen.
 //! Parity reference: https://mcsrc.dev/2/26.3/net/minecraft/client/gui/screens/WorldOptionsScreen
-use super::{
-    Game, Screen,
-    game_rules_screen::{Exit, RulesScreen},
-    integrated::ServerOptions,
-    lan::LanSettings,
-};
+use super::{Game, Screen, integrated::ServerOptions, lan::LanSettings};
 use horizon_client::{
     font::Font,
+    game_rules_screen::{Exit, RulesScreen},
     hud::{HudBatch, rgba},
     text::{Text, named_color},
     ui::{self, EditBox},

crates/horizon-client/src/game/level_particles.rs

@@ -1,7 +1,7 @@
 //! Level events whose client handler (`LevelEventHandler`) spawns particles
 //! on a block: bone meal's growth (1505), dragon egg teleportation (2015), a
-//! consumable's teleport (2017), electric sparks (3002), waxing (3003), wax
-//! off (3004) and scraping (3005).
+//! consumable's teleport (2017), an enderman's (2018), electric sparks (3002),
+//! waxing (3003), wax off (3004) and scraping (3005).
 use super::Game;
 use horizon_client::items::ItemStack;
 use horizon_client::particles::{self, ParticleOptions, ParticleType};
@@ -10,13 +10,17 @@ use horizon_world::level::LevelEvent;
 
 impl Game<'_> {
     pub(super) fn dragon_egg_particles(&mut self, pos: [i32; 3], data: i32) {
-        self.particles
-            .block_teleportation(pos, data, [16, 8, 16], self.settings.particles);
+        self.particles.block_teleportation(pos, data, [16, 8, 16]);
     }
     /// Event 2017: `TeleportRandomlyConsumeEffect`'s directional particles.
     pub(super) fn consume_teleport_particles(&mut self, pos: [i32; 3], data: i32) {
         self.particles
-            .block_teleportation(pos, data, [127, 127, 127], self.settings.particles);
+            .block_teleportation(pos, data, [127, 127, 127]);
+    }
+    /// Event 2018: an enderman's portal trail.
+    pub(super) fn enderman_teleport_particles(&mut self, pos: [i32; 3], data: i32) {
+        self.particles
+            .enderman_teleportation(pos, data, self.settings.particles);
     }
     /// `LevelEventHandler.levelEvent` 3002 to 3005, drawing from the client
     /// level's random.
@@ -135,6 +139,30 @@ impl Game<'_> {
         // Each guest plays it from the global packet.
         self.audio.play_unshared(sound, at, volume, 1.0);
     }
+    /// `ClientLevel.addBreakingBlockEffects`: the block's hit sound (only for
+    /// `play_sound`) and one crumb on the face being mined; nothing for air.
+    pub(super) fn breaking_block_effects(
+        &mut self,
+        pos: [i32; 3],
+        face: [i32; 3],
+        play_sound: bool,
+    ) {
+        let state = self.world.block(pos[0], pos[1], pos[2]);
+        if self.res.facts().is_air(state) {
+            return;
+        }
+        if play_sound {
+            let sounds = self.res.facts().get(state).sounds.clone();
+            // Each guest plays it from the level event itself.
+            self.audio.play_unshared(
+                &sounds.hit,
+                Some(pos.map(|v| f64::from(v) + 0.5)),
+                (sounds.volume + 1.0) / 8.0,
+                sounds.pitch * 0.5,
+            );
+        }
+        self.crack_particle(pos, face, state);
+    }
     /// `LevelEventHandler.potionSplashParticles` (2002 with `Effect`, 2007
     /// with `InstantEffect`): eight splash potion crumbs, and a hundred
     /// spell particles in the potion's colour `data`, flung out in a disc.

crates/horizon-client/src/game/lightning.rs

@@ -46,8 +46,12 @@ impl Game<'_> {
             if !self.with_level(|b, level, _| b.is_raining_at(level, p)) {
                 continue;
             }
-            // Skeleton trap: effective difficulty / 100 (regional difficulty approximated).
-            let difficulty = f64::from(self.ui.difficulty) * 0.75;
+            // Skeleton trap: the local effective difficulty / 100
+            // (`getCurrentDifficultyAt(pos)`).
+            let difficulty = f64::from(
+                self.local_difficulty([f64::from(pos[0]), f64::from(pos[1]), f64::from(pos[2])])
+                    .effective,
+            );
             let below = &self
                 .res
                 .facts()

crates/horizon-client/src/game/mace.rs

@@ -6,6 +6,7 @@
 use super::Game;
 use horizon_client::{
     enchant::EffectContext,
+    items::ItemStack,
     mobs::{Damage, Mob, Species},
     particles::{ParticleOptions, ParticleType},
 };
@@ -37,6 +38,41 @@ pub(super) fn ally_of_player(m: &Mob, player: Option<[i32; 4]>) -> bool {
         || m.species() == Species::Allay && m.extra.tame
 }
 
+/// A smash's knockback on the players, put off while a guest's turn holds
+/// the other players.
+pub(super) struct SmashPush {
+    center: Vec3,
+    heavy: f64,
+    attacker: Option<u32>,
+    team: Option<horizon_client::scoreboard::Team>,
+}
+/// `MaceItem.getKnockbackPower` and the push of one entity at `at`, `heavy`
+/// being 2 after a fall of more than five blocks.
+fn smash_push(center: Vec3, heavy: f64, at: Vec3, velocity: &mut Vec3, resistance: f64) {
+    let d = [at.x - center.x, at.y - center.y, at.z - center.z];
+    let distance_sqr = d[0] * d[0] + d[1] * d[1] + d[2] * d[2];
+    if distance_sqr > KNOCKBACK_RADIUS.powi(2) {
+        return;
+    }
+    let length = distance_sqr.sqrt();
+    let power =
+        (KNOCKBACK_RADIUS - length) * f64::from(KNOCKBACK_POWER) * heavy * (1.0 - resistance);
+    if power <= 0.0 {
+        return;
+    }
+    // Vec3.normalize: a vector shorter than 1e-5 has no direction.
+    let (x, z) = if length < f64::from(1.0e-5f32) {
+        (0.0, 0.0)
+    } else {
+        (d[0] / length * power, d[2] / length * power)
+    };
+    *velocity = Vec3::new(
+        velocity.x + x,
+        velocity.y + f64::from(KNOCKBACK_POWER),
+        velocity.z + z,
+    );
+}
+
 impl Game<'_> {
     fn holds_mace(&self) -> bool {
         self.inventory[self.selected]
@@ -100,7 +136,7 @@ impl Game<'_> {
     /// `LivingEntity.hurtServer` of the mob at `index` by the player's hit:
     /// the weapon's `armor_effectiveness` enchantments (Breach) thin its armor.
     pub(super) fn hurt_by_player(&mut self, index: usize, amount: f32, source: Damage) -> bool {
-        let held = self.inventory[self.selected].clone();
+        let held = self.held().cloned();
         let kind = self.mobs[index].kind.id.clone();
         let ctx = EffectContext {
             this: Some(&kind),
@@ -109,6 +145,7 @@ impl Game<'_> {
             is_direct: true,
             damage_type: Some(match source.kind {
                 horizon_client::mobs::DamageKind::MaceSmash => "minecraft:mace_smash",
+                horizon_client::mobs::DamageKind::Spear => "minecraft:spear",
                 _ => "minecraft:player_attack",
             }),
             items: Some(self.res.items()),
@@ -138,7 +175,7 @@ impl Game<'_> {
     /// the post-attack enchantments, then `postHurtEnemy` with the weapon's
     /// wear.
     pub(super) fn weapon_hit(&mut self, index: usize) {
-        let Some(stack) = self.inventory[self.selected].clone() else {
+        let Some(stack) = self.held().cloned() else {
             return;
         };
         let weapon = self
@@ -158,16 +195,26 @@ impl Game<'_> {
         if smash && let Some(p) = self.player.as_mut() {
             p.fall_distance = 0.0;
         }
-        // ItemStack.postHurtEnemy: hurtAndBreak(weapon.itemDamagePerAttack).
+        self.weapon_wear(&stack);
+    }
+    /// `ItemStack.postHurtEnemy`: `hurtAndBreak(weapon.itemDamagePerAttack)` of
+    /// the weapon in the acting hand.
+    pub(super) fn weapon_wear(&mut self, stack: &ItemStack) {
+        let weapon = self
+            .res
+            .items()
+            .get(&stack.item)
+            .and_then(|i| i.weapon_damage.map(|d| (d, i.max_damage)));
         if let Some((per_attack, max)) = weapon
             && max > 0
             && !self.creative
         {
-            let loss = self.durability_loss(&stack, per_attack);
-            if let Some(held) = self.inventory[self.selected].as_mut() {
+            let loss = self.durability_loss(stack, per_attack);
+            let cell = self.held_mut();
+            if let Some(held) = cell.as_mut() {
                 held.damage += loss;
                 if held.damage >= max {
-                    self.inventory[self.selected] = None;
+                    *cell = None;
                 }
             }
         }
@@ -220,44 +267,75 @@ impl Game<'_> {
         ];
         self.level_event_at(2013, on_pos, 750);
         let heavy = if fall > HEAVY_THRESHOLD { 2.0 } else { 1.0 };
-        // getKnockbackPower and the push of one entity at `at`.
-        let push = |at: Vec3, velocity: &mut Vec3, resistance: f64| {
-            let d = [at.x - center.x, at.y - center.y, at.z - center.z];
-            let distance_sqr = d[0] * d[0] + d[1] * d[1] + d[2] * d[2];
-            if distance_sqr > KNOCKBACK_RADIUS.powi(2) {
-                return;
-            }
-            let length = distance_sqr.sqrt();
-            let power = (KNOCKBACK_RADIUS - length)
-                * f64::from(KNOCKBACK_POWER)
-                * heavy
-                * (1.0 - resistance);
-            if power <= 0.0 {
-                return;
-            }
-            // Vec3.normalize: a vector shorter than 1e-5 has no direction.
-            let (x, z) = if length < f64::from(1.0e-5f32) {
-                (0.0, 0.0)
-            } else {
-                (d[0] / length * power, d[2] / length * power)
-            };
-            *velocity = Vec3::new(
-                velocity.x + x,
-                velocity.y + f64::from(KNOCKBACK_POWER),
-                velocity.z + z,
-            );
-        };
         let player = self.level.player_uuid.or(Some([0, 0, 0, 1]));
         for m in self
             .mobs
             .iter_mut()
             .filter(|m| m.id != id && m.alive() && !m.removed && !ally_of_player(m, player))
         {
-            push(m.position, &mut m.velocity, m.attrs.knockback_resistance);
+            smash_push(
+                center,
+                heavy,
+                m.position,
+                &mut m.velocity,
+                m.attrs.knockback_resistance,
+            );
         }
         for s in self.armor_stands.iter_mut().filter(|s| !s.marker) {
-            push(s.position, &mut s.velocity, 0.0);
+            smash_push(center, heavy, s.position, &mut s.velocity, 0.0);
         }
+        // The host and the LAN guests are living entities too. A guest's turn
+        // holds the other players (`as_guest`): the push waits for it to end.
+        let push = SmashPush {
+            center,
+            heavy,
+            attacker: self.lan_acting,
+            team: self.player_team().cloned(),
+        };
+        if self.lan_acting.is_some() {
+            self.creatures.smash_pushes.push(push);
+        } else {
+            self.smash_push_players(&push);
+        }
+    }
+    /// `MaceItem.knockback` on the players but the attacker: the host unless
+    /// it attacked, and every guest but the attacker.
+    fn smash_push_players(&mut self, push: &SmashPush) {
+        if push.attacker.is_some() {
+            self.smash_push_player(push);
+        }
+        self.each_guest_hit_except(push.attacker, |g| g.smash_push_player(push));
+    }
+    /// The pushes guests' smashes put off.
+    pub(super) fn flush_smash_pushes(&mut self) {
+        for push in std::mem::take(&mut self.creatures.smash_pushes) {
+            self.smash_push_players(&push);
+        }
+    }
+    /// `MaceItem.knockback` on the player here (the host, or the guest swapped
+    /// in): not a spectator, an ally of the attacker (`isAlliedTo`: the same
+    /// team) or a creative player flying.
+    fn smash_push_player(&mut self, push: &SmashPush) {
+        if self.spectator()
+            || horizon_client::scoreboard::teams_allied(push.team.as_ref(), self.player_team())
+        {
+            return;
+        }
+        let creative = self.creative;
+        let Some(p) = self.player.as_mut() else {
+            return;
+        };
+        if creative && p.flying {
+            return;
+        }
+        let resistance = p.attribute("minecraft:knockback_resistance").unwrap_or(0.0);
+        smash_push(
+            push.center,
+            push.heavy,
+            p.position,
+            &mut p.velocity,
+            resistance,
+        );
     }
     /// `ServerPlayer.checkFallDamage` after a smash on a grounded target:
     /// the landing block's particles, 50 for every block fallen (200 at most).

crates/horizon-client/src/game/machines.rs

@@ -41,6 +41,8 @@ enum Kind {
     Crafter,
     /// `BrewingStandBlockEntity` (a `WorldlyContainer`).
     Brewing,
+    /// `ChiseledBookShelfBlockEntity`: books only, one to a slot.
+    Bookshelf,
     /// `ComposterBlock.getContainer` at this level (a `WorldlyContainerHolder`
     /// without a block entity): input below 7, empty at 7, bone meal at 8.
     Composter(i32),
@@ -82,7 +84,7 @@ impl View {
     }
 }
 
-fn dir_from_name(name: &str) -> Option<Direction> {
+pub(super) fn dir_from_name(name: &str) -> Option<Direction> {
     Some(match name {
         "down" => Direction::Down,
         "up" => Direction::Up,
@@ -169,6 +171,7 @@ impl Containers<'_> {
             (BlockEntity::Furnace(_), _) => Kind::Furnace,
             (BlockEntity::Crafter(_), _) => Kind::Crafter,
             (BlockEntity::Brewing(_), _) => Kind::Brewing,
+            (BlockEntity::ChiseledBookshelf(_), _) => Kind::Bookshelf,
             (_, "minecraft:hopper") => Kind::Hopper,
             _ => Kind::Generic,
         };
@@ -250,6 +253,16 @@ impl Containers<'_> {
                 _ => false,
             };
         }
+        if view.kind == Kind::Bookshelf {
+            // ListBackedContainer.canPlaceItem: `acceptsItemType` (the books)
+            // and a free slot, as `getMaxStackSize` is 1.
+            return self
+                .items
+                .item_tags
+                .get("minecraft:bookshelf_books")
+                .is_some_and(|m| m.contains(&*stack.item))
+                && self.get(view, slot).is_none();
+        }
         if view.kind == Kind::Brewing {
             // BrewingStandBlockEntity.canPlaceItem
             return match slot {
@@ -399,6 +412,45 @@ pub(super) fn container_signal(
         .map_or(0, |v| c.signal(&v))
 }
 
+/// `ChiseledBookShelfBlock.getAnalogOutputSignal` and
+/// `ShelfBlock.getAnalogOutputSignal`, from the block entity Horizon keeps as
+/// it was loaded; `None` for any other block. `direction` points from the
+/// block to the comparator.
+pub(super) fn shelf_signal(
+    world: &World,
+    registry: &'static horizon_world::registry::BlockRegistry,
+    state: BlockStateId,
+    pos: BlockPos,
+    direction: Direction,
+) -> Option<i32> {
+    let info = registry.state(state)?;
+    let chiseled = info.name == "minecraft:chiseled_bookshelf";
+    if !chiseled && !info.name.ends_with("_shelf") {
+        return None;
+    }
+    if chiseled {
+        // The last slot touched, plus one (`lastInteractedSlot` starts at -1).
+        return Some(match world.block_entities.get(&(pos.x, pos.y, pos.z)) {
+            Some(BlockEntity::ChiseledBookshelf(b)) => b.last_slot + 1,
+            _ => 0,
+        });
+    }
+    let tag = super::spill::saved_entity(world, [pos.x, pos.y, pos.z]);
+    // Only read from the back: a bit for each of the three slots in use.
+    let facing = info.properties.get("facing").and_then(|f| dir_from_name(f));
+    if facing.map(Direction::opposite) != Some(direction) {
+        return Some(0);
+    }
+    let items = horizon_client::save::decode_items(tag.as_ref().and_then(|t| t.get("Items")), 3);
+    Some(
+        items
+            .iter()
+            .enumerate()
+            .map(|(slot, item)| i32::from(item.is_some()) << slot)
+            .sum(),
+    )
+}
+
 impl Game<'_> {
     fn containers(&self) -> Containers<'_> {
         Containers {
@@ -433,6 +485,7 @@ impl Game<'_> {
         if pos.1 == super::minecarts::CART_KEY_Y {
             return;
         }
+        self.chiseled_bookshelf_synced(pos);
         // A double chest's other half changes with it.
         let halves: Vec<Pos> = std::iter::once(pos)
             .chain(self.chest_other_half(pos))
@@ -595,27 +648,41 @@ impl Game<'_> {
             self.container_changed(pos);
         }
     }
-    /// `HopperBlockEntity.ejectItems`.
+    /// `HopperBlockEntity.ejectItems`: into the block container in front, else
+    /// a container entity there (`getContainerAt`).
     fn hopper_eject(&mut self, pos: Pos, hopper: &View) -> bool {
         let state = self.world.block(pos.0, pos.1, pos.2);
         let c = self.containers();
         let Some(facing) = c.prop(state, "facing").and_then(dir_from_name) else {
             return false;
         };
-        let Some(target) = c.view(offset(pos, facing), false) else {
+        let front = offset(pos, facing);
+        let face = facing.opposite();
+        if let Some(target) = c.view(front, false) {
+            return self.eject_into(pos, hopper, &target, face);
+        }
+        let Some(id) = self.entity_container_at([
+            f64::from(front.0) + 0.5,
+            f64::from(front.1) + 0.5,
+            f64::from(front.2) + 0.5,
+        ]) else {
             return false;
         };
-        let face = facing.opposite();
-        if c.is_full(&target, face) {
+        self.with_entity_container(id, |g, target| g.eject_into(pos, hopper, target, face))
+            .unwrap_or(false)
+    }
+    /// The rest of `HopperBlockEntity.ejectItems`: one item into `target`.
+    fn eject_into(&mut self, pos: Pos, hopper: &View, target: &View, face: Direction) -> bool {
+        if self.containers().is_full(target, face) {
             return false;
         }
         for slot in 0..hopper.len() {
             let Some(one) = self.take_one(hopper, slot) else {
                 continue;
             };
-            match self.add_item(Some(pos), &target, one, Some(face)) {
+            match self.add_item(Some(pos), target, one, Some(face)) {
                 None => {
-                    self.view_changed(&target);
+                    self.view_changed(target);
                     return true;
                 }
                 Some(rest) => self.put_back(hopper, slot, rest),
@@ -626,46 +693,13 @@ impl Game<'_> {
     /// `HopperBlockEntity.suckInItems`: from the container above, or item entities.
     fn hopper_suck(&mut self, pos: Pos, hopper: &View) -> bool {
         let above = (pos.0, pos.1 + 1, pos.2);
-        let c = self.containers();
-        if let Some(source) = c.view(above, false) {
-            if let Kind::Composter(level) = source.kind {
-                if level != 8 {
-                    return false;
-                }
-                // tryTakeInItemFromSlot on the OutputContainer: removeItem calls
-                // its setChanged, which empties the composter, and so does the
-                // second setChanged after the move or, when the hopper has no
-                // room, the setItem putting the bone meal back into the detached
-                // container (whose bone meal is lost with it).
-                let bone_meal = c.bone_meal.clone();
-                let at = BlockPos::new(above.0, above.1, above.2);
-                self.with_level(|b, level, ticks| b.composter_empty(level, ticks, at));
-                let moved = self.add_item(None, hopper, bone_meal, None).is_none();
-                self.with_level(|b, level, ticks| b.composter_empty(level, ticks, at));
-                self.world.modified.insert((above.0 >> 4, above.2 >> 4));
-                return moved;
-            }
-            let source_hopper = (source.kind == Kind::Hopper).then_some(above);
-            for slot in source.slots_for_face(Some(Direction::Down)) {
-                let c = self.containers();
-                let Some(stack) = c.get(&source, slot) else {
-                    continue;
-                };
-                if !c.can_take(&source, slot, stack, Direction::Down) {
-                    continue;
-                }
-                let Some(one) = self.take_one(&source, slot) else {
-                    continue;
-                };
-                match self.add_item(source_hopper, hopper, one, None) {
-                    None => {
-                        self.view_changed(&source);
-                        return true;
-                    }
-                    Some(rest) => self.put_back(&source, slot, rest),
-                }
-            }
-            return false;
+        let at = [
+            f64::from(pos.0) + 0.5,
+            f64::from(pos.1) + 1.5,
+            f64::from(pos.2) + 0.5,
+        ];
+        if let Some(took) = self.suck_from_container(above, at, hopper) {
+            return took;
         }
         let above_state = self.world.block(above.0, above.1, above.2);
         let blocked = self.res.facts().get(above_state).full_collision
@@ -695,6 +729,168 @@ impl Game<'_> {
         {
             return false;
         }
+        self.suck_item_entities(hopper, min, max)
+    }
+    /// The container half of `HopperBlockEntity.suckInItems`: one item from the
+    /// container at `above`, through its bottom face; with no block container
+    /// there, from a container entity whose box meets the one around `at`
+    /// (`getSourceContainerOrHandler`). `None` when there is no container.
+    fn suck_from_container(&mut self, above: Pos, at: [f64; 3], hopper: &View) -> Option<bool> {
+        let c = self.containers();
+        let Some(source) = c.view(above, false) else {
+            let id = self.entity_container_at(at)?;
+            return self
+                .with_entity_container(id, |g, source| g.suck_from_slots(None, source, hopper));
+        };
+        if let Kind::Composter(level) = source.kind {
+            if level != 8 {
+                return Some(false);
+            }
+            // tryTakeInItemFromSlot on the OutputContainer: removeItem calls
+            // its setChanged, which empties the composter, and so does the
+            // second setChanged after the move or, when the hopper has no
+            // room, the setItem putting the bone meal back into the detached
+            // container (whose bone meal is lost with it).
+            let bone_meal = c.bone_meal.clone();
+            let at = BlockPos::new(above.0, above.1, above.2);
+            self.with_level(|b, level, ticks| b.composter_empty(level, ticks, at));
+            let moved = self.add_item(None, hopper, bone_meal, None).is_none();
+            self.with_level(|b, level, ticks| b.composter_empty(level, ticks, at));
+            self.world.modified.insert((above.0 >> 4, above.2 >> 4));
+            return Some(moved);
+        }
+        let source_hopper = (source.kind == Kind::Hopper).then_some(above);
+        Some(self.suck_from_slots(source_hopper, &source, hopper))
+    }
+    /// `HopperBlockEntity.tryTakeInItemFromSlot` over the `DOWN` face of `source`.
+    fn suck_from_slots(
+        &mut self,
+        source_hopper: Option<Pos>,
+        source: &View,
+        hopper: &View,
+    ) -> bool {
+        for slot in source.slots_for_face(Some(Direction::Down)) {
+            let c = self.containers();
+            let Some(stack) = c.get(source, slot) else {
+                continue;
+            };
+            if !c.can_take(source, slot, stack, Direction::Down) {
+                continue;
+            }
+            let Some(one) = self.take_one(source, slot) else {
+                continue;
+            };
+            match self.add_item(source_hopper, hopper, one, None) {
+                None => {
+                    self.view_changed(source);
+                    return true;
+                }
+                Some(rest) => self.put_back(source, slot, rest),
+            }
+        }
+        false
+    }
+    /// `HopperBlockEntity.getEntityContainer`: one of the alive container
+    /// entities (`EntitySelector.CONTAINER_ENTITY_SELECTOR`: chest and hopper
+    /// minecarts, chest boats) whose box meets the 1x1x1 box around `at`,
+    /// picked at random.
+    fn entity_container_at(&mut self, at: [f64; 3]) -> Option<u32> {
+        let meets = |b: horizon_core::geometry::Aabb| {
+            let (lo, hi) = (b.min_position(), b.max_position());
+            lo.x < at[0] + 0.5
+                && hi.x > at[0] - 0.5
+                && lo.y < at[1] + 0.5
+                && hi.y > at[1] - 0.5
+                && lo.z < at[2] + 0.5
+                && hi.z > at[2] - 0.5
+        };
+        let mut found: Vec<u32> = self
+            .carts
+            .iter()
+            .filter(|c| {
+                matches!(
+                    c.kind,
+                    super::minecarts::CartKind::Chest | super::minecarts::CartKind::Hopper
+                ) && meets(c.bounds())
+            })
+            .map(|c| c.id)
+            .collect();
+        found.extend(
+            self.boats
+                .iter()
+                .filter(|b| b.chest && meets(b.bounds()))
+                .map(|b| b.id),
+        );
+        if found.is_empty() {
+            return None;
+        }
+        let pick = self
+            .world
+            .random
+            .next_int_bound(found.len() as i32)
+            .unwrap_or(0);
+        found.get(pick as usize).copied()
+    }
+    /// Runs `f` on a container entity's items as a container, under the
+    /// placeholder key its menu uses (the open menu's copy when it is open),
+    /// then hands the items back to the entity.
+    fn with_entity_container<R>(
+        &mut self,
+        id: u32,
+        f: impl FnOnce(&mut Self, &View) -> R,
+    ) -> Option<R> {
+        let mut items = if let Some(c) = self.carts.iter_mut().find(|c| c.id == id) {
+            std::mem::take(&mut c.items)
+        } else {
+            std::mem::take(&mut self.boats.iter_mut().find(|b| b.id == id)?.items)
+        };
+        let key = (i32::MAX - 15, super::minecarts::CART_KEY_Y, id as i32);
+        let (view, open) = self.lend_items(key, &mut items);
+        let result = f(self, &view);
+        self.reclaim_items(key, open, &mut items);
+        if let Some(c) = self.carts.iter_mut().find(|c| c.id == id) {
+            c.items = items;
+        } else if let Some(b) = self.boats.iter_mut().find(|b| b.id == id) {
+            b.items = items;
+        }
+        Some(result)
+    }
+    /// A vehicle's slots as a container under its placeholder `key`. When its
+    /// menu is open the placeholder is the live copy and stays as it is.
+    /// Returns the view and whether the menu was open.
+    fn lend_items(&mut self, key: Pos, items: &mut Vec<Option<ItemStack>>) -> (View, bool) {
+        let open = self.world.block_entities.contains_key(&key);
+        if !open {
+            let slots = BlockEntity::Chest(std::mem::take(items));
+            self.world.block_entities.insert(key, slots);
+        }
+        let size = self
+            .world
+            .block_entities
+            .get(&key)
+            .map_or(0, |e| e.slots().len());
+        let view = View {
+            parts: vec![(key, size)],
+            kind: Kind::Generic,
+        };
+        (view, open)
+    }
+    /// Gives `lend_items`' slots back to the vehicle, so its own items stay
+    /// the one source of truth: a menu copy that is still around (open, or
+    /// left by a guest's close) gets the changed items copied to `items`.
+    fn reclaim_items(&mut self, key: Pos, open: bool, items: &mut Vec<Option<ItemStack>>) {
+        let slots = if open {
+            self.world.block_entities.get(&key).cloned()
+        } else {
+            self.world.block_entities.remove(&key)
+        };
+        if let Some(BlockEntity::Chest(slots)) = slots {
+            *items = slots;
+        }
+    }
+    /// The item half of `HopperBlockEntity.suckInItems` (`getItemsAtAndAbove`):
+    /// adds the item entities that meet the box, until one is taken whole.
+    fn suck_item_entities(&mut self, hopper: &View, min: [f64; 3], max: [f64; 3]) -> bool {
         let mut i = 0;
         while i < self.dropped.len() {
             let b = self.dropped[i].bounds();
@@ -719,6 +915,44 @@ impl Game<'_> {
         }
         false
     }
+    /// `MinecartHopper.tick`'s `tryConsumeItems` (`suckInItems`) for an enabled
+    /// hopper minecart: one item from the container above, else the item
+    /// entities over it or touching it, each tick without a cooldown.
+    pub(super) fn hopper_cart_suck(&mut self, cart: &mut super::minecarts::Minecart) {
+        // The cart's slots are edited as a container under the placeholder key
+        // its menu uses; when that menu is open the placeholder is the live copy.
+        let key = (i32::MAX - 15, super::minecarts::CART_KEY_Y, cart.id as i32);
+        let (view, open) = self.lend_items(key, &mut cart.items);
+        let p = cart.position;
+        // getLevelY is the cart's y + 0.5, so the container is the block at
+        // y + 1.5, and Hopper.SUCK_AABB (moved by getLevel - 0.5) starts 11/16
+        // above the cart.
+        let above = (
+            p.x.floor() as i32,
+            (p.y + 1.5).floor() as i32,
+            p.z.floor() as i32,
+        );
+        let at = [p.x, p.y + 1.5, p.z];
+        let took = match self.suck_from_container(above, at, &view) {
+            Some(took) => took,
+            None => self.suck_item_entities(
+                &view,
+                [p.x - 0.5, p.y + 11.0 / 16.0, p.z - 0.5],
+                [p.x + 0.5, p.y + 2.0, p.z + 0.5],
+            ),
+        };
+        if !took {
+            // The cart's own box, inflated by 0.25 sideways.
+            let b = cart.bounds();
+            let (lo, hi) = (b.min_position(), b.max_position());
+            self.suck_item_entities(
+                &view,
+                [lo.x - 0.25, lo.y, lo.z - 0.25],
+                [hi.x + 0.25, hi.y, hi.z + 0.25],
+            );
+        }
+        self.reclaim_items(key, open, &mut cart.items);
+    }
 
     // ---- dispensers and droppers ----
 
@@ -955,6 +1189,7 @@ mod item_column_tests {
             id,
             stack: ItemStack::new("minecraft:stone", 1),
             thrower: None,
+            target: None,
             position: at,
             previous: at,
             velocity: Vec3::ZERO,

crates/horizon-client/src/game/maps.rs

@@ -324,6 +324,13 @@ const DECORATION_TYPES: [(&str, &str); 24] = [
     ("mineshaft", "map/decorations/mineshaft"),
     ("ocean_ruin_warm", "map/decorations/warm_ocean_ruins"),
 ];
+/// `MapDecorationType.showOnItemFrame` is false for the player arrows and the two markers.
+fn shown_on_frame(sprite: &str) -> bool {
+    !matches!(
+        decoration_type(sprite),
+        Some("player" | "red_marker" | "blue_marker" | "player_off_map" | "player_off_limits")
+    )
+}
 /// The sprite of a decoration type that a `minecraft:map_decorations`
 /// entry or a server's packet names.
 fn decoration_sprite(id: &str) -> Option<&'static str> {
@@ -714,6 +721,93 @@ impl Game<'_> {
         self.swing_arm();
         true
     }
+    /// `CompassItem.useOn`: a compass used on a lodestone locks onto it (a
+    /// single one in survival changes in place, else one is split off).
+    pub(super) fn use_lodestone_compass(&mut self, hit: &super::Hit, stack: &ItemStack) -> bool {
+        if &*stack.item != "minecraft:compass" {
+            return false;
+        }
+        let [x, y, z] = hit.pos;
+        if self
+            .res
+            .facts()
+            .get(self.world.block(x, y, z))
+            .name
+            .as_ref()
+            != "minecraft:lodestone"
+        {
+            return false;
+        }
+        let at = [x, y, z].map(|v| f64::from(v) + 0.5);
+        self.audio
+            .play("minecraft:item.lodestone_compass.lock", Some(at), 1.0, 1.0);
+        let target = Tag::compound([(
+            "target",
+            Tag::compound([
+                ("dimension", Tag::String(self.dimension_id().into())),
+                ("pos", Tag::IntArray(vec![x, y, z])),
+            ]),
+        )]);
+        if !self.creative && stack.count == 1 {
+            if let Some(held) = self.held_mut() {
+                held.data_mut()
+                    .set_other("minecraft:lodestone_tracker", Some(target));
+            }
+        } else {
+            let mut locked = stack.clone();
+            locked.count = 1;
+            locked
+                .data_mut()
+                .set_other("minecraft:lodestone_tracker", Some(target));
+            self.consume_held();
+            self.give_or_drop_stack(locked);
+        }
+        self.stats.add("used", &stack.item, 1);
+        self.swing_arm();
+        true
+    }
+    /// `CompassItem.inventoryTick` / `LodestoneTracker.tick`: a compass whose
+    /// lodestone is gone loses its target. A target in an unloaded chunk waits.
+    pub(super) fn tick_lodestone_compasses(&mut self) {
+        let dim = self.dimension_id();
+        let gone = |game: &Self, stack: &ItemStack| -> bool {
+            let Some(tracker) = stack
+                .data()
+                .and_then(|d| d.other("minecraft:lodestone_tracker"))
+            else {
+                return false;
+            };
+            let (Some(target), true) = (
+                tracker.get("target"),
+                horizon_client::save::number(tracker.get("tracked")).is_none_or(|v| v != 0),
+            ) else {
+                return false;
+            };
+            let Some(Tag::IntArray(pos)) = target.get("pos") else {
+                return false;
+            };
+            let [x, y, z] = [pos[0], pos[1], pos[2]];
+            horizon_client::save::text(target.get("dimension")).as_deref() == Some(dim)
+                && game.world.chunks.contains_key(&(x >> 4, z >> 4))
+                && game
+                    .res
+                    .facts()
+                    .get(game.world.block(x, y, z))
+                    .name
+                    .as_ref()
+                    != "minecraft:lodestone"
+        };
+        for slot in (0..self.inventory.len()).chain([super::shield::OFFHAND_SLOT]) {
+            if self.stack_in(slot).is_some_and(|s| gone(self, s))
+                && let Some(s) = self.stack_in_mut(slot)
+            {
+                s.data_mut().set_other(
+                    "minecraft:lodestone_tracker",
+                    Some(Tag::Compound(Default::default())),
+                );
+            }
+        }
+    }
     fn give_or_drop_stack(&mut self, stack: ItemStack) {
         if let Some(rest) = self.give(stack)
             && let Some(eye) = self.eye_position()
@@ -774,9 +868,8 @@ impl Game<'_> {
                         (d * 2.0 + 0.5) as i8
                     }
                 };
-                let y = f64::from(yaw);
-                let adjusted = if y < 0.0 { y - 8.0 } else { y + 8.0 };
-                let rot = ((adjusted * 16.0 / 360.0) as i32 & 15) as u8;
+                // calculateRotation: the arrow spins in the Nether.
+                let rot = decoration_rotation(nether, game_time, f64::from(yaw));
                 let sprite = if inside {
                     Some("map/decorations/player")
                 } else if dx.abs() < 320.0 && dz.abs() < 320.0 {
@@ -1114,9 +1207,12 @@ impl Game<'_> {
     }
     /// `MapRenderer.render`: the map texture and its decorations under `m`
     /// (map pixels 0..128, y down), drawn at depth offsets toward the viewer.
+    /// `show_only_frame` (a map in an item frame) leaves out the decorations that
+    /// do not show on frames.
     pub(super) fn map_vertices(
         &mut self,
         id: i32,
+        show_only_frame: bool,
         m: glam::Mat4,
         light: u32,
         out: &mut Vec<Vertex>,
@@ -1158,14 +1254,18 @@ impl Game<'_> {
             .get(&id)
             .map(|m| m.decorations.clone())
             .unwrap_or_default();
-        for (i, d) in decorations.iter().enumerate() {
+        let mut count = 0;
+        for d in &decorations {
+            if show_only_frame && !shown_on_frame(d.sprite) {
+                continue;
+            }
             let Some(s) = self.gui.atlas.sprites.get(d.sprite).copied() else {
                 continue;
             };
             let dm = glam::Mat4::from_translation(glam::Vec3::new(
                 f32::from(d.x) / 2.0 + 64.0,
                 f32::from(d.y) / 2.0 + 64.0,
-                -0.02 - i as f32 * 0.001,
+                -0.02 - count as f32 * 0.001,
             )) * glam::Mat4::from_rotation_z(
                 (f32::from(d.rot) * 360.0 / 16.0).to_radians(),
             ) * glam::Mat4::from_scale(glam::Vec3::splat(4.0))
@@ -1187,6 +1287,7 @@ impl Game<'_> {
                 [p(-1.0, 1.0), p(1.0, 1.0), p(1.0, -1.0), p(-1.0, -1.0)],
                 [[s.u0, s.v0], [s.u1, s.v0], [s.u1, s.v1], [s.u0, s.v1]],
             );
+            count += 1;
         }
     }
     /// `renderTwoHandedMap`: map `id` held in both hands, in view space (the
@@ -1255,7 +1356,7 @@ impl Game<'_> {
             }
         }
         if has_data {
-            self.map_vertices(id, m, light, out);
+            self.map_vertices(id, false, m, light, out);
         }
     }
 }

crates/horizon-client/src/game/minecarts.rs

@@ -646,50 +646,6 @@ impl Game<'_> {
         self.carts.retain(|x| x.id != c.id);
         let _ = self.server_explode(at, power, BlockInteraction::Destroy, false);
     }
-    /// `MinecartHopper.suckInItems`: items above, into the five slots.
-    fn hopper_cart_pickup(&mut self, c: &mut Minecart) {
-        if !c.enabled {
-            return;
-        }
-        let p = c.position;
-        let zone = Aabb::new(
-            Vec3::new(p.x - 0.5, p.y - 0.5 + 0.0, p.z - 0.5),
-            Vec3::new(p.x + 0.5, p.y + 1.5, p.z + 0.5),
-        );
-        let mut i = 0;
-        while i < self.dropped.len() {
-            let e = &self.dropped[i];
-            if e.pickup_delay > 0 || !zone.contains(e.position) {
-                i += 1;
-                continue;
-            }
-            let mut stack = e.stack.clone();
-            for slot in c.items.iter_mut() {
-                match slot {
-                    None => {
-                        *slot = Some(stack.clone());
-                        stack.count = 0;
-                    }
-                    Some(s) if s.same_item_same_components(&stack) => {
-                        let max = self.res.items().get(&s.item).map_or(64, |i| i.max_stack);
-                        let moved = stack.count.min(max.saturating_sub(s.count));
-                        s.count += moved;
-                        stack.count -= moved;
-                    }
-                    _ => {}
-                }
-                if stack.count == 0 {
-                    break;
-                }
-            }
-            if stack.count == 0 {
-                self.dropped.remove(i);
-            } else {
-                self.dropped[i].stack = stack;
-                i += 1;
-            }
-        }
-    }
     /// `AbstractMinecart.push` from each player walking into a cart
     /// (`LivingEntity.pushEntities`): the window's player and every server
     /// player (single player's own on its server thread, LAN guests). A
@@ -713,12 +669,7 @@ impl Game<'_> {
                 host.hub.here(g) && g.loaded && !g.dead && !g.spectator() && g.vehicle.is_none()
             }) {
                 let [x, y, z] = g.position;
-                let height = if g.sneaking { 1.5 } else { 1.8 };
-                let bb = Aabb::new(
-                    Vec3::new(x - 0.3, y, z - 0.3),
-                    Vec3::new(x + 0.3, y + height, z + 0.3),
-                );
-                pushers.push((Vec3::new(x, y, z), bb));
+                pushers.push((Vec3::new(x, y, z), g.bounds()));
             }
         }
         for (feet, bb) in pushers {
@@ -827,8 +778,8 @@ impl Game<'_> {
             }
             let mut c = self.carts[i].clone();
             let alive = self.tick_cart(&mut c, [0.0; 2]);
-            if c.kind == CartKind::Hopper {
-                self.hopper_cart_pickup(&mut c);
+            if c.kind == CartKind::Hopper && c.enabled {
+                self.hopper_cart_suck(&mut c);
             }
             let Some(i) = self.carts.iter().position(|c| c.id == id) else {
                 continue;

crates/horizon-client/src/game/mob_blocks.rs

@@ -384,13 +384,15 @@ impl Game<'_> {
                 owner.use_item_remaining_ticks = 72_000 - mob.extra.using_item;
                 owner.crossbow_charge_duration = 25;
             }
-            let context = if left {
-                horizon_assets::item_model::DisplayContext::ThirdPersonLeftHand
-            } else {
-                horizon_assets::item_model::DisplayContext::ThirdPersonRightHand
+            use horizon_assets::item_model::DisplayContext as Context;
+            // PandaHoldsItemLayer shows the item as it lies on the ground.
+            let (context, ordinal) = match (mob.species(), left) {
+                (Species::Panda, _) => (Context::Ground, 7),
+                (_, true) => (Context::ThirdPersonLeftHand, 1),
+                (_, false) => (Context::ThirdPersonRightHand, 2),
             };
             // `updateForLiving`: seeded by the entity id plus the context ordinal.
-            let seed = mob.id as i32 + if left { 1 } else { 2 };
+            let seed = mob.id as i32 + ordinal;
             let state = self.resolve_item(&stack, context, Some(&owner), seed);
             if lit {
                 self.submit_item_world(&state, t, light, out);

crates/horizon-client/src/game/mob_gear.rs

@@ -5,11 +5,15 @@ use super::Game;
 use horizon_client::{
     mobs::{
         Species,
+        drops::{self, SLOTS},
+        finalize::equip_stack,
         gear::{self, ARMOR, MAIN},
+        spawner::equipment_table,
     },
     raid::{self, RaiderType},
 };
 use horizon_core::random::RandomSource;
+use horizon_world::{loot::EntityLootParams, nbt::Tag};
 
 /// `EnchantmentsByCostWithDifficulty` of `mob_spawn_equipment`.
 const MIN_COST: i32 = 5;
@@ -47,6 +51,58 @@ fn slot_item(m: &horizon_client::mobs::Mob, slot: usize) -> Option<std::sync::Ar
 }
 
 impl Game<'_> {
+    /// `Mob.equip(EquipmentTable)` for a spawner's `equipment`: the loot table
+    /// (the mob as `this`, its random sequence) is rolled and each stack goes
+    /// in the slot `EquipmentUser.resolveSlot` picks, with the table's drop
+    /// chance for that slot.
+    pub(super) fn equip_from_table(&mut self, id: u32, table: &Tag) {
+        let Some((name, chances)) = equipment_table(table) else {
+            return;
+        };
+        let Some(loot) = horizon_client::structure_blocks::loot_data(&self.options.resources)
+        else {
+            return;
+        };
+        let Some(m) = self.mobs.iter().find(|m| m.id == id) else {
+            return;
+        };
+        if !loot.has_table(&name) {
+            return;
+        }
+        let params = EntityLootParams {
+            this: drops::loot_entity(m, None),
+            ..EntityLootParams::default()
+        };
+        let seed = self.level.seed;
+        let stacks = match loot.random_sequence(&name) {
+            Some(sequence) => {
+                let random = self.rand_sequences.get(sequence, seed);
+                loot.roll_entity(&name, random, &params)
+            }
+            None => loot.roll_entity(&name, &mut self.world.random, &params),
+        };
+        let mut inserted: Vec<usize> = Vec::new();
+        for stack in stacks.iter().filter(|s| !s.is_empty()) {
+            // `resolveSlot`: an `equippable` item goes in its own slot, any
+            // other in the main hand, each slot once.
+            let slot = match self
+                .res
+                .items()
+                .get(&stack.item)
+                .and_then(|i| i.equip_slot.as_deref())
+            {
+                Some(name) => SLOTS.iter().position(|s| *s == name),
+                None => Some(0),
+            };
+            let Some(slot) = slot.filter(|s| !inserted.contains(s)) else {
+                continue;
+            };
+            if let Some(m) = self.mobs.iter_mut().find(|m| m.id == id) {
+                equip_stack(m, slot, stack, chances[slot]);
+            }
+            inserted.push(slot);
+        }
+    }
     /// `Mob.populateDefaultEquipmentEnchantments`: the weapon one time in
     /// four and each piece of armour one time in two, scaled by the local
     /// difficulty, enchanted as if at an enchanting table of cost 5 to 22.

crates/horizon-client/src/game/mob_sounds.rs

@@ -0,0 +1,82 @@
+//! The looping sound instances of mobs: a bee's buzz
+//! (`ClientPacketListener.postAddEntitySoundInstance`) and a guardian's
+//! attack hum (entity event 21). The sound engine ticks them with what
+//! `start_mob_sounds` reads off the mobs.
+use super::Game;
+use horizon_client::{
+    mobs::{Species, bee, guardian},
+    sound_engine::{MobSound, SoundEngine, SoundInstance, Sounds},
+};
+
+impl Game<'_> {
+    /// Start the buzz of each bee that has none (or whose anger changed, which
+    /// swaps the flying loop for the aggressive one and back), forget the mobs
+    /// that are gone, and read what the instances follow.
+    pub(super) fn start_mob_sounds(&mut self) -> Vec<MobSound> {
+        let game_time = self.world.game_time;
+        let mobs: Vec<MobSound> = self
+            .mobs
+            .iter()
+            .filter(|m| {
+                !m.removed
+                    && matches!(
+                        m.species(),
+                        Species::Bee | Species::Guardian | Species::ElderGuardian
+                    )
+            })
+            .map(|m| MobSound {
+                id: m.id,
+                position: [m.position.x, m.position.y, m.position.z],
+                // Vec3.horizontalDistance.
+                speed: m.velocity.x.hypot(m.velocity.z),
+                baby: m.is_baby(),
+                // NeutralMob.isAngry: the anger end time is ahead.
+                angry: m.species() == Species::Bee
+                    && bee::get(m).is_some_and(|b| b.anger_end > 0 && b.anger_end - game_time > 0),
+                silent: m.silent,
+                attack_scale: guardian::attack_scale(m),
+            })
+            .collect();
+        self.guardian_sounds
+            .retain(|id| mobs.iter().any(|m| m.id == *id));
+        self.bee_sounds
+            .retain(|id, _| mobs.iter().any(|m| m.id == *id));
+        for sound in &mobs {
+            let is_bee = self
+                .mobs
+                .iter()
+                .any(|m| m.id == sound.id && m.species() == Species::Bee);
+            if is_bee && self.bee_sounds.get(&sound.id) != Some(&sound.angry) {
+                self.bee_sounds.insert(sound.id, sound.angry);
+                let instance = SoundInstance::bee(sound, sound.angry, SoundEngine::unseeded());
+                self.audio.play_instance(instance, false);
+            }
+        }
+        mobs
+    }
+
+    /// `ClientPacketListener.handleEntityEvent` 21: a guardian's attack
+    /// hum starts (one loop per guardian; the loops of its earlier beams are
+    /// the same loop, as each one follows the guardian's charge).
+    pub(super) fn start_guardian_sound(&mut self, id: u32) {
+        let Some(m) = self.mobs.iter().find(|m| {
+            m.id == id && matches!(m.species(), Species::Guardian | Species::ElderGuardian)
+        }) else {
+            return;
+        };
+        if !self.guardian_sounds.insert(id) {
+            return;
+        }
+        let sound = MobSound {
+            id,
+            position: [m.position.x, m.position.y, m.position.z],
+            speed: 0.0,
+            baby: false,
+            angry: false,
+            silent: m.silent,
+            attack_scale: guardian::attack_scale(m),
+        };
+        let instance = SoundInstance::guardian_attack(&sound, SoundEngine::unseeded());
+        self.audio.play_instance(instance, false);
+    }
+}

crates/horizon-client/src/game/mounts.rs

@@ -253,10 +253,7 @@ impl Game<'_> {
     /// `LocalPlayer.aiStep`'s riding jump: the bar charges while jump is
     /// held; on release, the jump's strength (0 when there is none).
     pub(super) fn charge_mount_jump(&mut self, i: usize, keys: Keys) -> f32 {
-        // PlayerRideableJumping: horses, camels and nautili (the dash).
-        let saddled = self.mobs[i].extra.saddled
-            && (equine::is_equine(self.mobs[i].species())
-                || horizon_client::mobs::nautilus::is_nautilus(self.mobs[i].species()));
+        let saddled = self.mobs[i].extra.saddled && Self::jumps(self.mobs[i].species());
         let mut jump = 0.0;
         if saddled {
             let st = &mut self.mount;
@@ -463,10 +460,15 @@ impl Game<'_> {
             _ => {}
         }
     }
-    /// `Player.jumpableVehicle`: a saddled mount that jumps.
+    /// `PlayerRideableJumping`: horses, camels and nautili (the dash).
+    fn jumps(species: Species) -> bool {
+        equine::is_equine(species) || horizon_client::mobs::nautilus::is_nautilus(species)
+    }
+    /// `Player.jumpableVehicle`: a saddled mount that jumps (not a pig or a
+    /// strider, which a saddle only steers).
     pub(super) fn jumpable_mount(&self) -> bool {
         self.mount_index()
-            .is_some_and(|i| self.mobs[i].extra.saddled)
+            .is_some_and(|i| self.mobs[i].extra.saddled && Self::jumps(self.mobs[i].species()))
     }
     /// `willPrioritizeJumpInfo`: charging a jump or recharging.
     pub(super) fn mount_jumping(&self) -> bool {
@@ -491,8 +493,13 @@ impl Game<'_> {
         let draws = horizon_client::hud_layout::vehicle_health(w, h, hearts, m.health);
         horizon_client::hud_layout::paint(batch, atlas, &draws);
         if jump_bar {
-            // JumpableVehicleBar: the cooldown shows while the jump recharges.
-            let cooldown = i32::from(self.mount.jump_ticks < 0);
+            // JumpableVehicleBar: `getJumpCooldown`, which only the camel's and
+            // the nautilus' dash have; a horse always shows the progress.
+            let cooldown = i32::from(
+                self.mount.jump_ticks < 0
+                    && (matches!(m.species(), Species::Camel | Species::CamelHusk)
+                        || horizon_client::mobs::nautilus::is_nautilus(m.species())),
+            );
             let draws =
                 horizon_client::hud_overlays::jump_bar(w, h, cooldown, self.mount.jump_scale);
             horizon_client::hud_layout::paint(batch, atlas, &draws);

crates/horizon-client/src/game/music.rs

@@ -34,11 +34,13 @@ impl Game<'_> {
             self.sound_paused = self.pause;
         }
         let (vehicle, carts) = self.start_cart_sounds();
+        let mobs = self.start_mob_sounds();
         let ctx = TickContext {
             player_underwater: self.ambience.was_underwater(),
             player_removed: self.player.is_none(),
             vehicle,
             carts,
+            mobs,
             frozen: !self.clock.runs_normally(),
         };
         self.audio.tick(self.pause, &ctx);

crates/horizon-client/src/game/names.rs

@@ -338,7 +338,9 @@ impl Game<'_> {
             let (r, u) = (right.as_vec3() * 0.025, up.as_vec3() * 0.025);
             // Text space: x right, y down (scale 0.025, -0.025).
             let at = |x: f32, y: f32| o + r * x - u * y;
-            let chars: Vec<(char, u32)> = text
+            // Component.getVisualOrderText.
+            let shown = horizon_client::bidi::visual(text);
+            let chars: Vec<(char, u32)> = shown
                 .spans
                 .iter()
                 .flat_map(|s| {

crates/horizon-client/src/game/natural_spawning.rs

@@ -504,7 +504,8 @@ impl<'a> Game<'a> {
                         m.position.z.floor() as i32,
                     ],
                     is_mob: true,
-                    persistent: m.persistent,
+                    persistent: m.persistent
+                        || horizon_client::mobs::ai::requires_custom_persistence(m),
                 })
                 .collect();
             let players = players

crates/horizon-client/src/game/nether_portal.rs

@@ -505,6 +505,17 @@ impl Game<'_> {
             );
         }
     }
+    /// `Entity.setPortalCooldown` on an entity that has just spawned in a
+    /// portal: it stands in the portal for 300 ticks without going through.
+    pub(super) fn set_portal_cooldown(&mut self, id: u32) {
+        self.portals.entities.insert(
+            id,
+            PortalState {
+                cooldown: ENTITY_DELAY,
+                process: None,
+            },
+        );
+    }
     /// `canUsePortal(false)` of a mob: alive, riding nothing, not asleep,
     /// not carrying the player, and not a boss that never travels.
     fn mob_can_use_portal(&self, m: &horizon_client::mobs::Mob) -> bool {

crates/horizon-client/src/game/pandas.rs

@@ -0,0 +1,165 @@
+//! Pandas on the game side: the food they find on the ground and pick up
+//! (`Mob.aiStep`, `Panda.pickUpItem`), the bamboo a player gives them
+//! (`Panda.mobInteract`), the start a sneeze gives the grown pandas about,
+//! and the crumbs and the sneeze a window draws.
+use super::{
+    Game,
+    pickups::{Collector, Taken},
+};
+use horizon_client::{
+    items::ItemStack,
+    mobs::{Species, panda},
+    particles::{ParticleOptions, ParticleType},
+};
+use horizon_core::geometry::Vec3;
+
+impl Game<'_> {
+    /// `Panda.canPickUpAndEat`'s tag.
+    fn panda_eats_from_ground(&self, item: &str) -> bool {
+        self.res
+            .items()
+            .item_tags
+            .get("minecraft:panda_eats_from_ground")
+            .is_some_and(|tag| tag.contains(item))
+    }
+    /// A panda takes what lies at its feet when its mouth is free, and
+    /// looks for food within 6 and 8 blocks for `PandaSitGoal`.
+    pub(super) fn tick_pandas(&mut self) {
+        let griefing = self.ui.rules.bool("mob_griefing");
+        for i in 0..self.mobs.len() {
+            let m = &self.mobs[i];
+            if m.species() != Species::Panda || !m.alive() {
+                continue;
+            }
+            let id = m.id;
+            let wants = |g: &Self, e: &horizon_client::entities::ItemEntity| {
+                e.pickup_delay == 0 && g.panda_eats_from_ground(&e.stack.item)
+            };
+            // Mob.aiStep: the items within the box grown by (1, 0, 1).
+            if griefing && m.can_pick_up_loot() && m.extra.main_hand.is_none() {
+                let reach = m.bounds().inflate(Vec3::new(1.0, 0.0, 1.0));
+                let taken = self
+                    .dropped
+                    .iter()
+                    .position(|e| wants(self, e) && reach.intersects(e.bounds()));
+                if let Some(j) = taken {
+                    let e = self.dropped.remove(j);
+                    self.add_pickup(Taken::Item(Box::new(e.clone())), Collector::Mob(id));
+                    panda::hold(&mut self.mobs[i], &e.stack.item, e.stack.count, true);
+                }
+            }
+            let m = &self.mobs[i];
+            let area = |r: f64| m.bounds().inflate(Vec3::new(r, r, r));
+            let (near, wide) = (area(6.0), area(8.0));
+            let food_near = self
+                .dropped
+                .iter()
+                .any(|e| wants(self, e) && near.intersects(e.bounds()));
+            let food_at = self
+                .dropped
+                .iter()
+                .find(|e| wants(self, e) && wide.intersects(e.bounds()))
+                .map(|e| [e.position.x, e.position.y, e.position.z]);
+            panda::set_food(&mut self.mobs[i], food_near, food_at);
+        }
+    }
+    /// `Panda.mobInteract` for a click with `item`; whether the click is taken.
+    pub(super) fn interact_panda(&mut self, index: usize, item: &str) -> bool {
+        let creative = self.creative;
+        let m = &mut self.mobs[index];
+        if panda::scared(m) {
+            return false;
+        }
+        if panda::get_up(m) {
+            return true;
+        }
+        if !m.kind.food.iter().any(|f| f == item) {
+            return false;
+        }
+        if m.ai.target.is_some() {
+            panda::got_bamboo(m);
+        }
+        let at = [m.position.x, m.position.y, m.position.z];
+        let mut dropped = None;
+        if m.is_baby() {
+            // ageUp((int) (-getAge() / 20 * 0.1F), true).
+            let seconds = ((-m.extra.age / 20) as f32 * 0.1) as i32;
+            horizon_client::mobs::ai::age_up(m, seconds, true);
+        } else if m.extra.age == 0 && m.extra.in_love <= 0 {
+            m.extra.in_love = 600;
+            m.extra.love_player = true;
+        } else {
+            if panda::is_sitting(m) || m.fluids.in_water {
+                return false;
+            }
+            panda::try_to_sit(m);
+            panda::start_eating(m);
+            // What it held falls, unless the player has infinite materials.
+            if let Some(held) = m.extra.main_hand.clone()
+                && !creative
+            {
+                dropped = Some(ItemStack::new(&held, panda::held_count(m)));
+            }
+            panda::hold(m, item, 1, false);
+        }
+        self.consume_held();
+        if let Some(stack) = dropped {
+            self.spawn_item(stack, at, [0.0, 0.2, 0.0], 10);
+        }
+        true
+    }
+    /// `Panda.afterSneeze`: the grown pandas within 10 blocks of a cub jump.
+    pub(super) fn panda_sneezed(&mut self, id: u32) {
+        let Some(area) = self
+            .mobs
+            .iter()
+            .find(|m| m.id == id)
+            .map(|m| m.bounds().inflate(Vec3::new(10.0, 10.0, 10.0)))
+        else {
+            return;
+        };
+        for m in &mut self.mobs {
+            if m.species() == Species::Panda
+                && !m.is_baby()
+                && m.on_ground
+                && !m.fluids.in_water
+                && panda::can_perform_action(m, panda::scared(m))
+                && area.intersects(m.bounds())
+            {
+                // LivingEntity.jumpFromGround.
+                m.needs_sync = true;
+                let power = f64::from(m.jump_power());
+                if power > 1.0e-5 {
+                    m.velocity.y = power.max(m.velocity.y);
+                }
+            }
+        }
+    }
+    /// What a window draws of its pandas: the crumbs of a bite
+    /// (`addEatingParticles`) and the sneeze's particle.
+    pub(super) fn panda_effects(&mut self) {
+        let mut bites = Vec::new();
+        let mut sneezes = Vec::new();
+        for m in self
+            .mobs
+            .iter_mut()
+            .filter(|m| m.species() == Species::Panda)
+        {
+            let (crumbs, sneeze) = panda::effects(m);
+            if let (Some(crumbs), Some(item)) = (crumbs, m.extra.main_hand.clone()) {
+                bites.push((item, crumbs));
+            }
+            sneezes.extend(sneeze);
+        }
+        for (item, crumbs) in bites {
+            let options = self.item_particle(&ItemStack::new(&item, 1));
+            for (at, velocity) in crumbs {
+                self.particles.add(&options, at, velocity);
+            }
+        }
+        let options = ParticleOptions::simple(ParticleType::Sneeze);
+        for (at, velocity) in sneezes {
+            self.particles.add(&options, at, velocity);
+        }
+    }
+}

crates/horizon-client/src/game/passengers.rs

@@ -279,11 +279,13 @@ impl Game<'_> {
     /// horse is a trap for fifteen minutes; a player within ten blocks springs
     /// it.
     pub(super) fn tick_skeleton_traps(&mut self) {
-        let player = self
-            .player
-            .as_ref()
-            .filter(|p| !p.health.dead_or_dying())
-            .map(|p| p.position);
+        // `Level.hasNearbyAlivePlayer`: alive, not a spectator, in the level.
+        let players: Vec<_> = self
+            .level_players()
+            .into_iter()
+            .filter(|p| p.alive && !p.spectator)
+            .map(|p| p.position)
+            .collect();
         let mut sprung = Vec::new();
         for m in &mut self.mobs {
             if m.species() != Species::SkeletonHorse || !m.extra.trap || !m.alive() {
@@ -296,7 +298,10 @@ impl Game<'_> {
                     continue;
                 }
             }
-            if player.is_some_and(|p| m.distance_sqr(p) < TRAP_RANGE * TRAP_RANGE) {
+            if players
+                .iter()
+                .any(|&p| m.distance_sqr(p) < TRAP_RANGE * TRAP_RANGE)
+            {
                 sprung.push(m.id);
             }
         }

crates/horizon-client/src/game/perspective.rs

@@ -443,6 +443,7 @@ impl Game<'_> {
         let packed = (u32::from(light >> 4) * 16) | ((u32::from(light & 15) * 16) << 8);
         let atlas = &self.gui.atlas;
         let lookup = |name: &str| atlas.sprites.get(name).map(|r| [r.u0, r.v0, r.u1, r.v1]);
+        let start = out.len();
         horizon_client::mobs::render::render_with(
             m,
             alpha as f32,
@@ -453,9 +454,25 @@ impl Game<'_> {
             &self.player_armor_layers(),
             out,
         );
-        self.player_elytra_geometry(m, camera, alpha as f32, packed, out);
+        self.player_elytra_geometry(
+            m,
+            self.armor[1].as_ref().map(|s| &*s.item),
+            camera,
+            alpha as f32,
+            packed,
+            out,
+        );
         self.spin_attack_geometry(m, camera, alpha as f32, packed, out);
         self.held_item_geometry(m, camera, alpha, packed, true, out);
+        // LivingEntity.isCurrentlyGlowing: the Glowing effect. A server's client is
+        // in its team by its profile name.
+        if self.potions.effects.get("glowing").is_some() {
+            let team = match &self.remote {
+                Some(r) => self.score.board.players_team(&r.profile_name),
+                None => self.player_team(),
+            };
+            self.mark_outline(&out[start..], super::glowing::team_color(team));
+        }
     }
     /// `extractEntityInInventoryFollowsMouse`: the player in the box
     /// `[x0, x1) x [y0, y1)`, `size` pixels per block, turned toward the
@@ -509,7 +526,14 @@ impl Game<'_> {
             &self.player_armor_layers(),
             &mut verts,
         );
-        self.player_elytra_geometry(&m, camera, 1.0, 240 | 240 << 8, &mut verts);
+        self.player_elytra_geometry(
+            &m,
+            self.armor[1].as_ref().map(|s| &*s.item),
+            camera,
+            1.0,
+            240 | 240 << 8,
+            &mut verts,
+        );
         self.held_item_geometry(&m, camera, 1.0, 240 | 240 << 8, false, &mut verts);
         let height = if m.extra.crouching { 1.5 } else { 1.8 };
         // PictureInPictureRenderer: the box centre, (size, size, -size);
@@ -548,17 +572,18 @@ impl Game<'_> {
 }
 
 impl Game<'_> {
-    fn player_elytra_geometry(
+    /// `WingsLayer` for a player wearing `chest`.
+    pub(super) fn player_elytra_geometry(
         &self,
         m: &Mob,
+        chest: Option<&str>,
         camera: glam::DVec3,
         partial: f32,
         light: u32,
         out: &mut Vec<horizon_client::mesher::Vertex>,
     ) {
-        let Some(asset) = self.armor[1]
-            .as_ref()
-            .and_then(|s| self.res.items().get(&s.item))
+        let Some(asset) = chest
+            .and_then(|item| self.res.items().get(item))
             .and_then(|i| i.equip_asset.as_ref())
         else {
             return;
@@ -598,7 +623,7 @@ impl Game<'_> {
     }
     /// `SpinAttackEffectLayer`: Riptide's two boxes turning around a spinning
     /// player (`SpinAttackEffectModel.setupAnim`).
-    fn spin_attack_geometry(
+    pub(super) fn spin_attack_geometry(
         &self,
         m: &Mob,
         camera: glam::DVec3,

crates/horizon-client/src/game/pick_entity.rs

@@ -0,0 +1,98 @@
+//! Pick Block on an entity (`Minecraft.pickBlockOrEntity`'s entity case and
+//! `ServerGamePacketListenerImpl.handlePickItemFromEntity`): the client aims,
+//! the server answers with `Entity.getPickResult`.
+use super::Game;
+use horizon_client::items::ItemStack;
+
+impl Game<'_> {
+    /// The entity the crosshair hits before any block, as `Entity.getId`; an
+    /// entity with nothing to pick (a projectile, a player, the dragon) is
+    /// `Some(None)`. `None` when the view hits a block or nothing.
+    pub(super) fn pick_entity_hit(&self) -> Option<Option<i32>> {
+        let mut best: Option<(f64, Option<i32>)> = None;
+        let mut offer = |distance: f64, id: Option<i32>| {
+            if self.before_block(distance) && best.is_none_or(|b| distance < b.0) {
+                best = Some((distance, id));
+            }
+        };
+        if let Some(hit) = self.remote_object_hit(true) {
+            offer(hit.distance, Some(hit.id));
+        }
+        if let Some((i, d)) = self.mob_hit() {
+            offer(d, Some(self.mobs[i].id as i32));
+        }
+        if let Some((_, d)) = self.guest_hit() {
+            offer(d, None);
+        }
+        if let Some((_, d)) = self.redirectable_hit() {
+            offer(d, None);
+        }
+        if let Some((_, d)) = self.dragon_hit() {
+            offer(d, None);
+        }
+        best.map(|b| b.1)
+    }
+
+    /// `Entity.getPickResult` of the entity `id`: a mob's spawn egg, the item
+    /// of a boat, minecart, armor stand, cushion, painting, item frame (the
+    /// framed item when it holds one) or end crystal.
+    pub(super) fn entity_pick_result(&self, id: i32) -> Option<ItemStack> {
+        let id = u32::try_from(id).ok()?;
+        let item = if let Some(m) = self.mobs.iter().find(|m| m.id == id) {
+            // Mob.getPickResult: SpawnEggItem.byId.
+            let egg = format!("{}_spawn_egg", m.kind.id);
+            return self.res.items().get(&egg).map(|_| ItemStack::new(&egg, 1));
+        } else if let Some(b) = self.boats.iter().find(|b| b.id == id) {
+            b.entity_type()
+        } else if let Some(c) = self.carts.iter().find(|c| c.id == id) {
+            c.kind.id().to_owned()
+        } else if self.armor_stands.iter().any(|a| a.id == id) {
+            "minecraft:armor_stand".to_owned()
+        } else if let Some(c) = self.cushions.iter().find(|c| c.id == id) {
+            c.item()
+        } else if let Some(f) = self.item_frames.iter().find(|f| f.id == id) {
+            // ItemFrame.getPickResult: what it frames, else the frame itself.
+            return Some(
+                f.item
+                    .clone()
+                    .unwrap_or_else(|| ItemStack::new(f.kind(), 1)),
+            );
+        } else if self.paintings.iter().any(|p| p.id == id) {
+            "minecraft:painting".to_owned()
+        } else if self.crystals.iter().any(|c| c.id == id) {
+            "minecraft:end_crystal".to_owned()
+        } else {
+            return None;
+        };
+        Some(ItemStack::new(&item, 1))
+    }
+
+    /// `Player.isWithinEntityInteractionRange(entity, 3.0)`: the entity's box
+    /// within the interaction range plus 3 of the eyes.
+    pub(super) fn within_entity_range(&self, id: i32) -> bool {
+        let Some(eye) = self.eye_position() else {
+            return false;
+        };
+        let mob = u32::try_from(id)
+            .ok()
+            .and_then(|id| self.mobs.iter().find(|m| m.id == id))
+            .map(|m| m.bounds());
+        let Some(b) = self
+            .object_target(id)
+            .map(|(lo, hi, _)| (lo, hi))
+            .or_else(|| {
+                mob.or_else(|| self.tracked_special_box(id)).map(|b| {
+                    let (lo, hi) = (b.min_position(), b.max_position());
+                    ([lo.x, lo.y, lo.z], [hi.x, hi.y, hi.z])
+                })
+            })
+        else {
+            return false;
+        };
+        let d2: f64 = (0..3)
+            .map(|a| (eye[a] - eye[a].clamp(b.0[a], b.1[a])).powi(2))
+            .sum();
+        let range = if self.creative { 5.0 } else { 3.0 } + 3.0;
+        d2 < range * range
+    }
+}

crates/horizon-client/src/game/potions.rs

@@ -32,7 +32,7 @@ pub(super) struct ThrownPotion {
     owner: Option<Text>,
 }
 /// A mob's effect ids carry the `minecraft:` namespace.
-fn mob_effect_id(id: &str) -> Option<&'static str> {
+pub(super) fn mob_effect_id(id: &str) -> Option<&'static str> {
     use std::{collections::HashMap, sync::OnceLock};
     static IDS: OnceLock<HashMap<&'static str, &'static str>> = OnceLock::new();
     let id = id.trim_start_matches("minecraft:");
@@ -806,9 +806,28 @@ impl Game<'_> {
             }
         }
     }
-    /// `Hud.extractEffects`: icons top-right, beneficial row then harmful row.
+    /// `Screen.showsActiveEffects`: the survival and creative inventories
+    /// draw their own effect list when `EffectsInInventory.canSeeEffects`
+    /// (32 or more pixels right of the screen).
+    fn screen_shows_active_effects(&self, batch: &HudBatch) -> bool {
+        let (ox, image_width) = match self.screen {
+            Screen::Inventory
+                if self.container.is_none() && self.craft_size == 2 && !self.mount_active() =>
+            {
+                (self.inventory_origin(batch).0, 176)
+            }
+            Screen::Creative => (
+                Self::creative_origin(batch).0,
+                horizon_client::creative::Creative::WIDTH as i32,
+            ),
+            _ => return false,
+        };
+        batch.width as i32 - (ox as i32 + image_width + 2) >= 32
+    }
+    /// `Hud.extractEffects`: icons top-right, beneficial row then harmful row;
+    /// every screen but the inventories keeps them.
     pub(super) fn draw_effect_icons(&self, batch: &mut HudBatch) {
-        if self.screen != Screen::Playing || self.potions.effects.list.is_empty() {
+        if self.potions.effects.list.is_empty() || self.screen_shows_active_effects(batch) {
             return;
         }
         let icons: Vec<hud_overlays::EffectIcon> = self

crates/horizon-client/src/game/powder_snow.rs

@@ -53,7 +53,11 @@ impl Game<'_> {
         if let Some(player) = self.player.as_mut() {
             player.fire_ticks = 0;
         }
-        // Entity.playEntityOnFireExtinguishedSound
+        self.extinguish_sound(at);
+        Ok(())
+    }
+    /// Entity.playEntityOnFireExtinguishedSound
+    fn extinguish_sound(&mut self, at: [f64; 3]) {
         let r = self.particles.random();
         let pitch = 1.6 + (r.next_float() - r.next_float()) * 0.4;
         self.audio.play(
@@ -62,7 +66,29 @@ impl Game<'_> {
             0.7,
             pitch,
         );
-        Ok(())
+    }
+    /// `Entity.applyEffectsFromBlocks`: a burning player in the rain
+    /// (`isInRain`) has the fire put out (`clearFire`), with the extinguish
+    /// sound that everyone near hears.
+    pub(super) fn rain_extinguish_player(&mut self) {
+        let Some(player) = self.player.as_ref() else {
+            return;
+        };
+        let (at, top) = (player.position, player.bounds().max_position().y);
+        if player.fire_ticks <= 0 || !self.in_rain(at, top) {
+            return;
+        }
+        if let Some(player) = self.player.as_mut() {
+            player.fire_ticks = 0;
+        }
+        self.extinguish_sound([at.x, at.y, at.z]);
+    }
+    /// The in-window player's rain extinguish (a server's player has its
+    /// fire put out by the server).
+    pub(super) fn rain_extinguish_in_frame(&mut self) {
+        if self.remote.is_none() {
+            self.rain_extinguish_player();
+        }
     }
     /// Whether the block at `pos` is powder snow.
     pub(super) fn is_powder_snow(&self, pos: [i32; 3]) -> bool {

crates/horizon-client/src/game/raids.rs

@@ -23,6 +23,7 @@ use std::collections::{HashMap, HashSet};
 #[derive(Default)]
 pub(super) struct Raiding {
     patrol: PatrolSpawner,
+    siege: Siege,
     /// The raids of the dimension the player is in, and that dimension.
     raids: Raids,
     loaded: Option<Dim>,
@@ -38,6 +39,17 @@ pub(super) struct Raiding {
     homes: HashMap<i32, (i64, std::sync::Arc<Vec<[i32; 3]>>)>,
 }
 
+/// `VillageSiege`: whether tonight is a siege, whether the spot is chosen,
+/// and the zombies still to spawn there.
+#[derive(Default)]
+struct Siege {
+    tonight: bool,
+    set_up: bool,
+    zombies_to_spawn: i32,
+    next_spawn_time: i32,
+    spot: [i32; 3],
+}
+
 impl Raiding {
     /// Exchange the level-held parts (`ServerLevel.getRaids`) with another
     /// level's (game/levels.rs).
@@ -102,11 +114,12 @@ impl RaidLevel for Lvl<'_, '_> {
                 && g.res.facts().is_air(g.world.block(x, y, z))
     }
     fn player(&self) -> Option<RaidPlayer> {
-        let p = self.game.player.as_ref()?;
+        // The first player in the level: a server has no player of its own.
+        let p = self.game.level_players().into_iter().next()?;
         Some(RaidPlayer {
             position: [p.position.x, p.position.y, p.position.z],
             block: block_of(p.position),
-            alive: !p.health.dead_or_dying(),
+            alive: p.alive,
         })
     }
 }
@@ -174,12 +187,13 @@ impl PatrolLevel for PatrolCx<'_, '_, '_> {
     fn bright_outside(&self) -> bool {
         self.level.game.dim == Dim::Overworld && self.level.game.sky_darken() < 4
     }
+    /// `PatrolSpawner.tick` picks from `level.players()`: the local player
+    /// and every guest in the level.
     fn patrol_players(&self) -> Vec<([i32; 3], bool)> {
-        let g = self.level.game;
-        g.player
-            .as_ref()
-            .map(|p| (block_of(p.position), g.spectator()))
-            .into_iter()
+        self.level
+            .players
+            .iter()
+            .map(|p| (block_of(p.position), p.spectator))
             .collect()
     }
     fn sections_to_village(&self, pos: [i32; 3]) -> i32 {
@@ -633,7 +647,7 @@ impl Game<'_> {
     /// `Raid.playSound`: the horn, 13 blocks away from the player toward the
     /// wave, for players within 64 blocks or in the raid.
     fn raid_horn(&mut self, id: i32, pos: [i32; 3]) {
-        let Some(p) = self.player.as_ref().map(|p| p.position) else {
+        let Some(p) = self.level_players().first().map(|p| p.position) else {
             return;
         };
         let in_raid = self.raiding.raids.get(id).is_some_and(|r| r.bar.player);
@@ -762,7 +776,7 @@ impl Game<'_> {
             }
             positions.push((m.id, m.position, s.active_raid));
         }
-        let banners: Vec<(usize, Vec3)> = self
+        let banners: Vec<(usize, u32, Vec3)> = self
             .dropped
             .iter()
             .enumerate()
@@ -771,7 +785,7 @@ impl Game<'_> {
                     && e.stack.data().is_some_and(|d| d.ominous_banner)
                     && e.pickup_delay == 0
             })
-            .map(|(i, e)| (i, e.position))
+            .map(|(i, e)| (i, e.id, e.position))
             .collect();
         let mut taken: Vec<usize> = Vec::new();
         let mut collectors: Vec<(usize, u32)> = Vec::new();
@@ -791,7 +805,7 @@ impl Game<'_> {
             let has_rider = ridden.contains(&m.id);
             let target_golem = matches!(m.ai.target, Some(horizon_client::mobs::Who::Mob(t)) if golems.contains(&t));
             let target_player = m.ai.target == Some(horizon_client::mobs::Who::Player);
-            let (health, age, range) = (m.health, m.age, m.attrs.follow_range);
+            let (health, range) = (m.health, m.attrs.follow_range);
             let raids = &mut self.raiding.raids;
             let s = m.extra.raider.get_or_insert_with(Box::default);
             s.rider = has_rider;
@@ -821,14 +835,11 @@ impl Game<'_> {
             if !alive {
                 continue;
             }
-            // Raider.updateNoActionTime adds two per tick, and a raider
-            // fighting a player or golem in a raid is never idle.
-            if s.raid_id.is_some() {
-                m.ai.no_action_time = if target_player || target_golem {
-                    0
-                } else {
-                    m.ai.no_action_time + 1
-                };
+            // Raider.aiStep: a raider fighting a player or golem in a raid is
+            // never idle. The per-tick growth (+1 serverAiStep, +2
+            // Raider.updateNoActionTime) is added by the mob's own step.
+            if s.raid_id.is_some() && (target_player || target_golem) {
+                m.ai.no_action_time = 0;
             }
             // Raider.aiStep: join the raid the raider stands in.
             if s.raid_id.is_none()
@@ -839,11 +850,9 @@ impl Game<'_> {
             {
                 joins.push((m.id, id, health));
             }
-            // PathfindToRaidGoal.recruitNearby.
-            if s.active_raid
-                && !s.raid_over
-                && !s.in_village
-                && age % 20 == 0
+            // PathfindToRaidGoal.tick: recruitNearby, only while the goal runs.
+            if std::mem::take(&mut s.recruit_due)
+                && s.active_raid
                 && let Some(id) = s.raid_id
             {
                 recruit.push((id, position));
@@ -858,20 +867,33 @@ impl Game<'_> {
                 && raids.get(id).is_some_and(|r| r.leader(s.wave).is_none())
                 && !leaders.contains(&(id, s.wave))
             {
+                let in_reach = |(i, _, p): &&(usize, u32, Vec3)| {
+                    !taken.contains(i)
+                        && (p.x - position.x).abs() <= range
+                        && (p.z - position.z).abs() <= range
+                        && (p.y - position.y).abs() <= 8.0
+                };
+                let by_distance = |a: &&(usize, u32, Vec3), b: &&(usize, u32, Vec3)| {
+                    a.2.distance_squared(position)
+                        .total_cmp(&b.2.distance_squared(position))
+                };
+                // The unreachable cache only picks the navigation target;
+                // a banner next to the raider is still picked up.
                 let near = banners
                     .iter()
-                    .filter(|(i, p)| {
-                        !taken.contains(i)
-                            && (p.x - position.x).abs() <= range
-                            && (p.z - position.z).abs() <= range
-                            && (p.y - position.y).abs() <= 8.0
+                    .filter(in_reach)
+                    .filter(|(_, item, _)| {
+                        !s.unreachable_banners
+                            .iter()
+                            .any(|&(b, until)| b == *item && now < until)
                     })
-                    .min_by(|a, b| {
-                        a.1.distance_squared(position)
-                            .total_cmp(&b.1.distance_squared(position))
-                    });
-                if let Some((i, p)) = near {
+                    .min_by(by_distance);
+                let nearest = banners.iter().filter(in_reach).min_by(by_distance);
+                let adjacent =
+                    nearest.filter(|(_, _, p)| p.distance_squared(position) < 1.414 * 1.414);
+                if let Some((i, item, p)) = adjacent.or(near) {
                     s.banner_at = Some([p.x, p.y, p.z]);
+                    s.banner_item = *item;
                     if p.distance_squared(position) < 1.414 * 1.414 {
                         // pickUpItem: the banner becomes the wave's leader.
                         taken.push(*i);
@@ -1036,6 +1058,7 @@ impl Game<'_> {
     /// read it).
     fn sync_villager_raids(&mut self, infos: &HashMap<i32, Vec<RaiderInfo>>) {
         let raids = &self.raiding.raids;
+        let mut ongoing = Vec::new();
         for m in &mut self.mobs {
             if m.species() != Species::Villager {
                 continue;
@@ -1061,7 +1084,27 @@ impl Game<'_> {
             let ext = mobs_villager::ext_mut(m);
             ext.raid = status;
             ext.raid_wave = wave;
+            if !m.no_ai && matches!(status, mobs_villager::PRE_RAID | mobs_villager::RAID) {
+                ongoing.push(m.id);
+            }
         }
+        // Villager.customServerAiStep: a 1 in 100 chance each tick, in an
+        // ongoing raid, of entity event 42 (`handleEntityEvent` splashes).
+        for id in ongoing {
+            if self.particles.random().next_int_bound(100) == Ok(0) {
+                self.mob_raid_splash(id);
+            }
+        }
+    }
+    /// Entity event 42 for villager `id`: the guests get the byte, and this
+    /// game draws `AbstractVillager.addParticlesAroundSelf(SPLASH)` itself.
+    fn mob_raid_splash(&mut self, id: u32) {
+        let Some(m) = self.mobs.iter().find(|m| m.id == id) else {
+            return;
+        };
+        let at = [m.position.x, m.position.y, m.position.z];
+        self.lan_entity_event(id as i32, 42, at);
+        self.particles_around_mob(id, "splash", horizon_client::particles::Burst::VILLAGER);
     }
 
     /// The raid bar a living player at `at` is in (`Raid.getPlayers`): red,
@@ -1187,6 +1230,140 @@ impl Game<'_> {
             self.spawn_event_mob("minecraft:pillager", at, m.leader, raider::Reason::Patrol);
         }
     }
+    /// `VillageSiege.tick`: at midnight one night in ten, 20 zombies spawn
+    /// two ticks apart near a village 32 blocks from a player standing in it.
+    pub(super) fn tick_village_siege(&mut self) {
+        if self.dim != Dim::Overworld {
+            return;
+        }
+        let enemies = self.ui.rules.bool("spawn_mobs") && self.ui.rules.bool("spawn_monsters");
+        if self.sky_darken() < 4 || !enemies {
+            self.raiding.siege.tonight = false;
+            self.raiding.siege.set_up = false;
+            return;
+        }
+        // ClockTimeMarkers.ROLL_VILLAGE_SIEGE: tick 18000 of the 24000 tick day.
+        if self.world.day_time.rem_euclid(24000) == 18000 {
+            self.raiding.siege.tonight = self.world.random.next_int_bound(10).unwrap_or(1) == 0;
+        }
+        if !self.raiding.siege.tonight {
+            return;
+        }
+        if !self.raiding.siege.set_up {
+            if !self.try_to_setup_siege() {
+                return;
+            }
+            self.raiding.siege.set_up = true;
+        }
+        if self.raiding.siege.next_spawn_time > 0 {
+            self.raiding.siege.next_spawn_time -= 1;
+            return;
+        }
+        self.raiding.siege.next_spawn_time = 2;
+        if self.raiding.siege.zombies_to_spawn > 0 {
+            self.try_spawn_siege_zombie();
+            self.raiding.siege.zombies_to_spawn -= 1;
+        } else {
+            self.raiding.siege.tonight = false;
+        }
+    }
+    /// `ServerLevel.isVillage`: within one section of a village.
+    fn is_village(centers: &HashSet<(i32, i32, i32)>, pos: [i32; 3]) -> bool {
+        sections_to_village(centers, section(pos)) <= 1
+    }
+    /// `VillageSiege.tryToSetupSiege`: the first player standing in a village
+    /// picks a spot 32 blocks away (ten tries); true when one stood in a
+    /// village, even if no spot was found.
+    fn try_to_setup_siege(&mut self) -> bool {
+        let centers = self.village_centers();
+        for player in self.level_players() {
+            if player.spectator {
+                continue;
+            }
+            let center = block_of(player.position);
+            if !Self::is_village(&centers, center)
+                || self.natural_level().biome_tag(
+                    "minecraft:without_zombie_sieges",
+                    center[0],
+                    center[1],
+                    center[2],
+                )
+            {
+                continue;
+            }
+            for _ in 0..10 {
+                let angle = self.world.random.next_float() * std::f32::consts::TAU;
+                let spot = [
+                    center[0] + (angle.cos() * 32.0).floor() as i32,
+                    center[1],
+                    center[2] + (angle.sin() * 32.0).floor() as i32,
+                ];
+                if self.find_siege_spawn_pos(&centers, spot).is_some() {
+                    self.raiding.siege.spot = spot;
+                    self.raiding.siege.next_spawn_time = 0;
+                    self.raiding.siege.zombies_to_spawn = 20;
+                    break;
+                }
+            }
+            return true;
+        }
+        false
+    }
+    /// `VillageSiege.trySpawn`: one zombie, in a random yaw.
+    fn try_spawn_siege_zombie(&mut self) {
+        let centers = self.village_centers();
+        let spot = self.raiding.siege.spot;
+        let Some(at) = self.find_siege_spawn_pos(&centers, spot) else {
+            return;
+        };
+        let Some(id) = self.spawn_event_mob("minecraft:zombie", at, false, raider::Reason::Event)
+        else {
+            return;
+        };
+        let yaw = self.world.random.next_float() * 360.0;
+        if let Some(m) = self.mobs.iter_mut().find(|m| m.id == id) {
+            (m.yaw, m.previous_yaw, m.body_yaw, m.previous_body_yaw) = (yaw, yaw, yaw, yaw);
+            (m.head_yaw, m.previous_head_yaw) = (yaw, yaw);
+        }
+        self.spawn_jockeys(id, false);
+    }
+    /// `VillageSiege.findRandomSpawnPos`: ten tries within 8 blocks of the
+    /// spot for a village column where a zombie may spawn.
+    fn find_siege_spawn_pos(
+        &mut self,
+        centers: &HashSet<(i32, i32, i32)>,
+        spot: [i32; 3],
+    ) -> Option<[f64; 3]> {
+        let mut random = std::mem::replace(
+            &mut self.world.random,
+            horizon_core::random::LegacyRandom::new(0),
+        );
+        let mut found = None;
+        for _ in 0..10 {
+            let x = spot[0] + random.next_int_bound(16).unwrap_or(0) - 8;
+            let z = spot[2] + random.next_int_bound(16).unwrap_or(0) - 8;
+            if !self.world.chunks.contains_key(&(x >> 4, z >> 4)) {
+                continue;
+            }
+            let y = self.surface_height(x, z);
+            if Self::is_village(centers, [x, y, z])
+                && spawn_rules::check_spawn_rules(
+                    Species::Zombie,
+                    &self.natural_level(),
+                    spawn_rules::Reason::Event,
+                    &mut random,
+                    x,
+                    y,
+                    z,
+                )
+            {
+                found = Some([f64::from(x) + 0.5, f64::from(y), f64::from(z) + 0.5]);
+                break;
+            }
+        }
+        self.world.random = random;
+        found
+    }
     /// A raider's ominous banner (drop chance 2.0: always dropped) and a
     /// patrol captain's ominous bottle (`entities/pillager`).
     /// `OminousBottleAmplifier.onConsume`: Bad Omen for 100 minutes at the

crates/horizon-client/src/game/remote.rs

@@ -182,16 +182,23 @@ pub(super) struct Remote {
     online_mode: bool,
     /// Player entities in the level: entity id to profile UUID.
     level_players: HashMap<i32, u128>,
+    /// Entities with shared flag 6 (`Entity.isCurrentlyGlowing` on a client); mobs keep
+    /// theirs in `Mob::glowing`.
+    glowing: std::collections::HashSet<i32>,
     /// The local player's profile UUID (always in the level).
     profile: u128,
     /// The local player's profile name: its score holder and team member.
     pub(super) profile_name: String,
     destroying: Option<([i32; 3], u8, f32)>,
+    /// `MultiPlayerGameMode.destroyingItem`: the held item key the break began with.
+    destroying_item: String,
     destroy_delay: u32,
     input: horizon_client::interaction_input::InteractionInput,
     stop_mining: bool,
     placing: Option<([i32; 3], u64)>,
-    death_message: Option<String>,
+    death_message: Option<horizon_client::text::Text>,
+    /// `LocalPlayer.showDeathScreen`: off with `immediate_respawn`.
+    show_death_screen: bool,
     player_type: Option<Arc<MobType>>,
     /// Inventory as last synchronised, for creative-mode slot updates.
     synced: Vec<Option<ItemStack>>,
@@ -468,14 +475,17 @@ impl Game<'_> {
             listed: Default::default(),
             online_mode: false,
             level_players: HashMap::new(),
+            glowing: Default::default(),
             profile: 0,
             profile_name: String::new(),
             destroying: None,
+            destroying_item: String::new(),
             destroy_delay: 0,
             input: Default::default(),
             stop_mining: false,
             placing: None,
             death_message: None,
+            show_death_screen: true,
             player_type,
             synced: vec![None; 36],
             decode_errors: 0,
@@ -666,10 +676,14 @@ impl Game<'_> {
         }
         let text = content.plain();
         log::info!("[chat] {text}");
+        // addServerSystemMessage and addClientSystemMessage both carry
+        // GuiMessageTag.systemSinglePlayer: the grey bar at the line's left.
+        let indicator = (source != horizon_client::chat::ChatSource::Player)
+            .then_some(horizon_client::chat::SYSTEM_INDICATOR);
         self.ui.chat.add(
             &self.gui.atlas,
             content,
-            None,
+            indicator,
             source,
             self.ticks,
             self.screen == Screen::Chat,
@@ -995,6 +1009,12 @@ impl Game<'_> {
         r.predictions.clear();
         self.set_mode_id(spawn.game_type);
         self.dim = Dim::from_id(&spawn.dimension);
+        // ClientPacketListener.handleLogin / handleRespawn: the server's
+        // Player.getLastDeathLocation, for the recovery compass.
+        self.level.last_death = spawn
+            .last_death
+            .as_ref()
+            .map(|d| (d.dimension.clone(), d.pos));
         if !same {
             let mut streaming = Streaming::new(
                 Arc::new(NoTerrain),
@@ -1408,6 +1428,17 @@ impl Game<'_> {
             {
                 return;
             }
+            // A thrown trident is an arrow: placed at once, flown on by its tick.
+            if let Some(t) = self.tridents.iter_mut().find(|t| t.id == id as u32) {
+                if path.is_some() {
+                    t.position = Vec3::new(position[0], position[1], position[2]);
+                }
+                if let Some((yaw, pitch)) = rotation {
+                    t.yaw = yaw;
+                    t.pitch = pitch;
+                }
+                return;
+            }
             // A dragon fireball keeps Entity's NO_OP InterpolationHandler too:
             // the server's position replaces its own at once.
             if let Some(b) = self.dragon_fireballs.iter_mut().find(|b| b.id == id as u32) {
@@ -1466,7 +1497,9 @@ impl Game<'_> {
         self.remove_remote_dragon(id);
         self.remove_remote_object(id as u32);
         self.remove_remote_projectile(id as u32);
+        self.persist.uuids.remove(&(id as u32));
         if let Some(r) = self.remote.as_mut() {
+            r.glowing.remove(&id);
             r.entities.remove(&id);
             r.lerps.remove(&id);
             r.stepped.remove(&id);
@@ -1609,6 +1642,41 @@ impl Game<'_> {
         }
     }
 
+    /// `ClientPacketListener.handleUpdateAttributes` for a mob: its maximum
+    /// health (the hearts drawn over its mount) takes the server's value, from
+    /// `AttributeInstance.calculateValue`.
+    fn remote_mob_attributes(&mut self, id: i32, values: &[play::AttributeSnapshot]) {
+        let catalog = &self.motion.attributes;
+        let Some(max_health) = catalog.id("minecraft:max_health") else {
+            return;
+        };
+        let Some(s) = values
+            .iter()
+            .find(|s| s.attribute == max_health.registry_id())
+        else {
+            return;
+        };
+        let amounts = |op: i32| {
+            s.modifiers
+                .iter()
+                .filter(move |m| m.operation == op)
+                .map(|m| m.amount)
+        };
+        let base = s.base + amounts(0).sum::<f64>();
+        let mut value = base + amounts(1).map(|a| base * a).sum::<f64>();
+        for amount in amounts(2) {
+            value *= 1.0 + amount;
+        }
+        let value = catalog.attribute(max_health).definition.sanitize(value);
+        if let Some(m) = self.mobs.iter_mut().find(|m| m.id == id as u32) {
+            horizon_client::mobs::finalize::set_base(
+                m,
+                horizon_client::mobs::finalize::Attr::MaxHealth,
+                value,
+            );
+        }
+    }
+
     fn handle_packet(&mut self, packet: C) -> Result<()> {
         match packet {
             // ClientCommonPacketListenerImpl.handlePing runs on the game
@@ -1625,6 +1693,7 @@ impl Game<'_> {
                     r.online_mode = p.online_mode;
                     r.entity_id = p.player_id;
                     r.view_distance = p.chunk_radius;
+                    r.show_death_screen = p.show_death_screen;
                 }
                 self.streaming.radius =
                     self.settings.render_distance.min(p.chunk_radius + 1).max(2);
@@ -1777,6 +1846,11 @@ impl Game<'_> {
                         r.level_players.remove(&p.id);
                     }
                 }
+                // Entity.getTeam: a mob is on a team by its UUID.
+                self.persist.uuids.insert(
+                    p.id as u32,
+                    horizon_client::lan::playerdata::uuid_ints(p.uuid),
+                );
                 self.spawn_entity(p.id, &kind, p.position, rotation);
                 // Entity.recreateFromPacket: setDeltaMovement(packet.getMovement()).
                 self.remote_motion(p.id, p.velocity);
@@ -1895,7 +1969,13 @@ impl Game<'_> {
                 if let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32) {
                     for (index, _, value) in &p.values {
                         match (index, value) {
-                            (0, Value::Byte(flags)) => m.invisible = flags & 0x20 != 0,
+                            (0, Value::Byte(flags)) => {
+                                // An invisible illusioner draws its mirror
+                                // images instead (`illusioner::set_invisible`).
+                                m.invisible = flags & 0x20 != 0
+                                    && m.species() != horizon_client::mobs::Species::Illusioner;
+                                m.glowing = flags & 0x40 != 0;
+                            }
                             (2, Value::OptText(name)) => {
                                 let text = name.as_ref().map(horizon_client::entity_nbt::name_text);
                                 m.custom_name =
@@ -1912,6 +1992,15 @@ impl Game<'_> {
                         }
                     }
                 }
+                if let Some((_, _, Value::Byte(flags))) = p.values.iter().find(|v| v.0 == 0)
+                    && let Some(r) = self.remote.as_mut()
+                {
+                    if flags & 0x40 != 0 {
+                        r.glowing.insert(p.id);
+                    } else {
+                        r.glowing.remove(&p.id);
+                    }
+                }
                 self.remote_mob_data(p.id, &p.values);
                 if let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32)
                     && m.species() == horizon_client::mobs::Species::Creeper
@@ -1926,6 +2015,22 @@ impl Game<'_> {
                         }
                     }
                 }
+                if let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32) {
+                    for (index, _, value) in &p.values {
+                        match (index, value) {
+                            // Entity.DATA_TICKS_FROZEN: isFullyFrozen shakes it.
+                            (7, Value::Int(ticks)) => m.ticks_frozen = *ticks,
+                            // Strider.DATA_SUFFOCATING (after AgeableMob's two
+                            // and DATA_BOOST_TIME): a cold strider shakes.
+                            (19, Value::Bool(cold))
+                                if m.species() == horizon_client::mobs::Species::Strider =>
+                            {
+                                m.extra.flag = *cold;
+                            }
+                            _ => {}
+                        }
+                    }
+                }
                 // LivingEntity.DATA_LIVING_ENTITY_FLAGS: for another player
                 // too, remote_mob_data's apply reads index 8 above.
                 let mannequin = self
@@ -1946,6 +2051,13 @@ impl Game<'_> {
                                 m.extra.ints[1] = code;
                             }
                         }
+                        // Avatar.DATA_PLAYER_MAIN_HAND (HumanoidArm: 0 left, 1
+                        // right): the arm a swing of the main hand moves.
+                        if let (15, Value::Id(arm)) = (index, value)
+                            && let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32)
+                        {
+                            m.extra.main_hand_left = *arm == 0;
+                        }
                     }
                 }
                 // LivingEntity.onSyncedDataUpdated(SLEEPING_POS_ID): this
@@ -2024,13 +2136,38 @@ impl Game<'_> {
             // player holds and wears (EquipmentSlot ordinals).
             C::SetEquipment(p) => {
                 self.remote_object_equipment(p.id, &p.slots);
-                let items: Vec<(u8, Option<Arc<str>>)> = p
+                let items: Vec<(u8, Option<Arc<str>>, Option<ItemStack>)> = p
                     .slots
                     .iter()
-                    .map(|(slot, stack)| (*slot, stack.as_ref().map(|s| self.item_name(s.item))))
+                    .map(|(slot, stack)| {
+                        (
+                            *slot,
+                            stack.as_ref().map(|s| self.item_name(s.item)),
+                            self.to_stack(stack),
+                        )
+                    })
                     .collect();
+                // CrossbowItem.isCharged: the main hand's `charged_projectiles`
+                // (AvatarRenderer.getArmPose holds a loaded crossbow up).
+                let charged = p.slots.iter().find(|(slot, _)| *slot == 0).map(|(_, s)| {
+                    s.as_ref().is_some_and(|s| {
+                        matches!(
+                            s.component(horizon_protocol::item::component::CHARGED_PROJECTILES),
+                            Some(horizon_protocol::item::Component::Stacks(list))
+                                if !list.is_empty()
+                        )
+                    })
+                });
                 if let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32) {
-                    for (slot, item) in items {
+                    if let Some(charged) = charged
+                        && &*m.kind.id == "minecraft:player"
+                    {
+                        m.extra.charged = charged;
+                    }
+                    // The body slot (6: horse armour, llama carpet, harness)
+                    // is kept in `head`, as Horizon's own mobs do.
+                    let body = horizon_client::mobs::drops::head_is_body(m.species());
+                    for (slot, item, stack) in items {
                         let e = &mut m.extra;
                         match slot {
                             0 => e.main_hand = item,
@@ -2038,7 +2175,13 @@ impl Game<'_> {
                             2 => e.feet = item,
                             3 => e.legs = item,
                             4 => e.chest = item,
-                            5 => e.head = item,
+                            5 if !body => e.head = item,
+                            6 if body => {
+                                // A wolf's armor shows its cracks.
+                                e.body_damage = stack.as_ref().map_or(0, |s| s.damage as i32);
+                                e.head = item;
+                            }
+                            7 => m.set_saddle(stack),
                             _ => {}
                         }
                     }
@@ -2123,6 +2266,10 @@ impl Game<'_> {
                     self.remote_firework_explosion(p.id);
                 }
                 self.remote_fangs_event(p.id as u32, p.event);
+                // LivingEntity.handleEntityEvent 2: a spear's hit felt.
+                if p.event == 2 {
+                    self.remote_kinetic_hit(p.id);
+                }
                 // LocalPlayer.setPermissions also refreshes an open World Options screen.
                 if (24..=28).contains(&p.event)
                     && self.remote.as_ref().is_some_and(|r| r.entity_id == p.id)
@@ -2130,6 +2277,14 @@ impl Game<'_> {
                     self.ui.registries.permission = (p.event - 24) as u8;
                     self.remote_world_options_permission(p.event >= 26);
                 }
+                // Ravager.handleEntityEvent 69: the roar's puff and push.
+                if p.event == 69 {
+                    self.remote_ravager_roar(p.id);
+                }
+                // ClientPacketListener.handleEntityEvent 21: a guardian's hum.
+                if p.event == 21 {
+                    self.start_guardian_sound(p.id as u32);
+                }
                 if p.event == 1
                     && let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32)
                     && m.species() == horizon_client::mobs::Species::Rabbit
@@ -2147,6 +2302,10 @@ impl Game<'_> {
                 {
                     m.health = 0.0;
                 }
+                // The events that start a mob's animation (the warden's).
+                if let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32) {
+                    horizon_client::mobs::sync::entity_event(m, p.event as u8);
+                }
                 // LivingEntity.handleEntityEvent 60: the poof as the dead body goes.
                 if p.event == 60
                     && let Some(m) = self.mobs.iter().find(|m| m.id == p.id as u32)
@@ -2157,6 +2316,9 @@ impl Game<'_> {
                 if p.event == super::totem::TOTEM_EVENT {
                     self.remote_totem(p.id);
                 }
+                if p.event == super::combat::DROWN_EVENT {
+                    self.remote_drown(p.id);
+                }
                 // Entity event 53: the honey slide particles of a player
                 // sliding down a honey block (HoneyBlock.showSlideParticles).
                 if p.event == 53 {
@@ -2187,7 +2349,7 @@ impl Game<'_> {
                 if self.remote.as_ref().is_some_and(|r| r.entity_id == p.id) {
                     self.swing_hand(hand, animation);
                 } else if let Some(m) = self.mobs.iter_mut().find(|m| m.id == p.id as u32) {
-                    m.swing();
+                    m.swing_hand_modified(hand == Hand::Off, animation.duration);
                 }
             }
             // The player's own instances: its maximum health (the hearts the
@@ -2199,6 +2361,7 @@ impl Game<'_> {
                 }
                 self.apply_remote_health();
             }
+            C::UpdateAttributes(p) => self.remote_mob_attributes(p.id, &p.values),
             C::UpdateMobEffect(p) => self.remote_effect(&p),
             C::RemoveMobEffect(p) => {
                 if self.remote.as_ref().is_some_and(|r| r.entity_id == p.id)
@@ -2223,9 +2386,14 @@ impl Game<'_> {
                     pl.health.flash_health_change(p.health);
                 }
                 self.apply_remote_health();
-                if p.health <= 0.0 && self.screen != Screen::Dead && self.player.is_some() {
+                // The death screen opens (or the respawn is asked for) with the
+                // death packet when the rule hides it.
+                let shown = self.remote.as_ref().is_none_or(|r| r.show_death_screen);
+                if p.health <= 0.0 && shown && self.screen != Screen::Dead && self.player.is_some()
+                {
                     self.screen = Screen::Dead;
                     self.ui.death_time = 0;
+                    self.ui.death_confirm = None;
                     self.capture(false);
                 }
             }
@@ -2233,17 +2401,23 @@ impl Game<'_> {
                 // The component resolves in the client's current language, as
                 // the chat line does, not in the language the session joined
                 // with (`Remote.lang` is the vanilla server-language table).
-                let message = remote_text(&p.message).plain();
+                let message = remote_text(&p.message);
                 let me = self.remote.as_ref().is_some_and(|r| r.entity_id == p.id);
                 if let Some(r) = self.remote.as_mut() {
                     r.death_message = Some(message);
                 }
                 // ClientPacketListener.handlePlayerCombatKill: the death
-                // screen, whatever health was last sent.
+                // screen, whatever health was last sent, or `respawn()` at
+                // once when it is hidden.
                 if me && self.screen != Screen::Dead && self.player.is_some() {
-                    self.screen = Screen::Dead;
-                    self.ui.death_time = 0;
-                    self.capture(false);
+                    if self.remote.as_ref().is_none_or(|r| r.show_death_screen) {
+                        self.screen = Screen::Dead;
+                        self.ui.death_time = 0;
+                        self.ui.death_confirm = None;
+                        self.capture(false);
+                    } else {
+                        self.respawn_player()?;
+                    }
                 }
             }
             C::TrackedWaypoint(p) => self.handle_waypoint(&p),
@@ -2319,6 +2493,12 @@ impl Game<'_> {
                         r.game_mode = mode;
                     }
                 }
+                // IMMEDIATE_RESPAWN: LocalPlayer.setShowDeathScreen.
+                11 => {
+                    if let Some(r) = self.remote.as_mut() {
+                        r.show_death_screen = p.param == 0.0;
+                    }
+                }
                 7 => {
                     self.world.weather.rain_level = (p.param, p.param);
                     self.world.weather.raining = p.param > 0.0;
@@ -2358,6 +2538,20 @@ impl Game<'_> {
                     r.state_id = p.state;
                 }
                 let stack = self.to_stack(&p.item);
+                // ClientPacketListener.handleContainerSetSlot: a hotbar slot that
+                // gains items squeezes for 5 ticks.
+                if p.container == 0
+                    && (36..=45).contains(&p.slot)
+                    && let Some(new) = &stack
+                {
+                    let (pop, old) = match p.slot {
+                        45 => (9, self.offhand.as_ref()),
+                        s => (s as usize - 36, self.inventory[s as usize - 36].as_ref()),
+                    };
+                    if old.is_none_or(|old| old.count < new.count) {
+                        self.hotbar_pop[pop] = 5;
+                    }
+                }
                 self.set_menu_slot(p.container, i32::from(p.slot), stack);
                 self.remote_synced();
             }
@@ -3021,6 +3215,7 @@ impl Game<'_> {
             health: 5,
             fire_ticks: 0,
             thrower: None,
+            target: None,
             id: id as u32,
             stack,
             position: at,
@@ -3057,6 +3252,8 @@ impl Game<'_> {
             p.velocity = v;
         } else if let Some(b) = self.dragon_fireballs.iter_mut().find(|b| b.id == id as u32) {
             b.velocity = v;
+        } else if let Some(t) = self.tridents.iter_mut().find(|t| t.id == id as u32) {
+            t.velocity = v;
         } else if let Some(p) = self
             .remote
             .as_mut()
@@ -3177,6 +3374,10 @@ impl Game<'_> {
         // server says the entry ended. `onCooldownEnded` is the plain
         // ItemCooldowns' no-op on a client.
         self.cooldowns.tick();
+        // Inventory.tick's ItemStack.inventoryTick: the pop time runs down.
+        for pop in &mut self.hotbar_pop {
+            *pop = pop.saturating_sub(1);
+        }
         // Leaving a slot clears its bundle's selection here and on the server.
         self.tick_bundle_hover();
         // Options.broadcastOptions: a changed render distance or Chat option
@@ -3216,6 +3417,7 @@ impl Game<'_> {
         self.border.tick();
         self.player_border();
         self.tick_remote_entities(running);
+        self.tick_remote_guardian_eyes(running);
         // ClientLevel.tickBlockEntities: chest lids, shulker boxes, bells,
         // and the moving pistons a block event's client-side moveBlocks made
         // (their progress advances between the server's block updates).
@@ -3348,13 +3550,12 @@ impl Game<'_> {
         let events = std::mem::take(&mut player.events);
         self.previous_eye = self.eye;
         self.eye += (player.dimensions.eye_height - self.eye) * 0.5;
-        let crouching = player.pose == horizon_client::pose::Pose::Crouching;
         let feet = [player.position.x, player.position.y, player.position.z];
         for event in events {
             match event {
                 horizon_client::motion::MotionEvent::Emission {
                     state, in_water, ..
-                } if !crouching => {
+                } => {
                     let sounds = self.res.facts().get(state).sounds.clone();
                     // Player.playStepSound: muffled under the swim sound in water.
                     let (volume, pitch) = if in_water {
@@ -3368,6 +3569,14 @@ impl Game<'_> {
                     self.audio
                         .play("minecraft:entity.player.swim", Some(feet), volume, pitch);
                 }
+                horizon_client::motion::MotionEvent::Chime { volume, pitch } => {
+                    self.audio.play(
+                        "minecraft:block.amethyst_block.chime",
+                        Some(feet),
+                        volume,
+                        pitch,
+                    );
+                }
                 // NetherPortalBlock.entityInside on the client's own level:
                 // the portal overlay and its trigger sound (the server moves
                 // the player).
@@ -3510,6 +3719,43 @@ impl Game<'_> {
     }
     /// ClientLevel.tickEntities; a frozen level only ticks the players
     /// (`TickRateManager.isEntityFrozen`).
+    /// `GuardianRenderer.getEntityToLookAt`: a guardian's eye follows its
+    /// synched attack target, else the camera.
+    fn tick_remote_guardian_eyes(&mut self, running: bool) {
+        use horizon_client::mobs::{Species, Who, guardian};
+        if !running {
+            return;
+        }
+        let camera = self.player.as_ref().map(|p| {
+            [
+                p.position.x,
+                p.position.y + f64::from(p.dimensions.eye_height),
+                p.position.z,
+            ]
+        });
+        let looks: Vec<_> = self
+            .mobs
+            .iter()
+            .enumerate()
+            .filter(|(_, m)| {
+                matches!(m.species(), Species::Guardian | Species::ElderGuardian) && m.alive()
+            })
+            .filter_map(|(i, m)| {
+                let look = match m.ai.target.filter(|_| m.extra.flag) {
+                    Some(Who::Mob(id)) => self
+                        .mobs
+                        .iter()
+                        .find(|t| t.id == id)
+                        .map(|t| [t.position.x, t.eye_y(), t.position.z]),
+                    _ => camera,
+                };
+                look.map(|look| (i, look))
+            })
+            .collect();
+        for (i, look) in looks {
+            guardian::look_at(&mut self.mobs[i], look);
+        }
+    }
     fn tick_remote_entities(&mut self, running: bool) {
         if running {
             self.tick_text_displays();
@@ -3518,22 +3764,53 @@ impl Game<'_> {
         // server never sends the fluid contact, and the renderers read it (cod, salmon and
         // tropical fish lie on their side without `in_water`, #1591).
         // A frozen level ticks only the players, as below.
-        let fluids: Vec<_> = {
+        let (fluids, thundering): (Vec<_>, bool) = {
             let w = self.mob_world_base(&[]);
             let players = self.remote.as_ref().map(|r| &r.level_players);
-            self.mobs
+            let fluids = self
+                .mobs
                 .iter()
                 .map(|m| {
                     (running || players.is_some_and(|p| p.contains_key(&(m.id as i32))))
                         .then(|| w.fluids(m.bounds(), m.eye_y()))
                 })
-                .collect()
+                .collect();
+            (fluids, w.thundering)
         };
         for (m, fluids) in self.mobs.iter_mut().zip(fluids) {
             if let Some(fluids) = fluids {
                 m.fluids = fluids;
             }
         }
+        let game_time = self.world.game_time;
+        // `AbstractPiglin.isConverting`: the dimension is not piglin safe.
+        let nether = self.dim == super::Dim::Nether;
+        // What a wither's side heads can look at, by network entity id: the
+        // mobs and the player (position and eye height).
+        let wither_targets: Vec<(i32, [f64; 3], f64)> = if self
+            .mobs
+            .iter()
+            .any(|m| m.species() == horizon_client::mobs::Species::Wither)
+        {
+            let own = self
+                .remote
+                .as_ref()
+                .zip(self.eye_position())
+                .map(|(r, eye)| (r.entity_id, eye, eye[1]));
+            self.mobs
+                .iter()
+                .map(|m| {
+                    (
+                        m.id as i32,
+                        [m.position.x, m.position.y, m.position.z],
+                        m.eye_y(),
+                    )
+                })
+                .chain(own)
+                .collect()
+        } else {
+            Vec::new()
+        };
         let Some(r) = self.remote.as_mut() else {
             return;
         };
@@ -3542,6 +3819,7 @@ impl Game<'_> {
         let head_lerps = &mut r.head_lerps;
         let players = &r.level_players;
         let mut using = Vec::new();
+        let mut mob_fx = Vec::new();
         for m in &mut self.mobs {
             let player = players.contains_key(&(m.id as i32));
             if !running && !player {
@@ -3581,6 +3859,17 @@ impl Game<'_> {
             if m.species() == horizon_client::mobs::Species::PolarBear {
                 horizon_client::mobs::polar_bear::client_tick(m);
             }
+            // The particles these mobs' own ticks draw on the client side.
+            {
+                use horizon_client::mobs::{Species as S, cube, illusioner, nautilus, wither};
+                match m.species() {
+                    S::Slime | S::MagmaCube | S::SulfurCube => cube::client_tick(m, &mut mob_fx),
+                    S::Nautilus | S::ZombieNautilus => nautilus::client_tick(m, &mut mob_fx),
+                    S::Illusioner => illusioner::client_tick(m, &mut mob_fx),
+                    S::Wither => wither::client_smoke(m, &mut mob_fx),
+                    _ => {}
+                }
+            }
             if m.hurt_time > 0 {
                 m.hurt_time -= 1;
             }
@@ -3604,6 +3893,15 @@ impl Game<'_> {
                 m.head_yaw += wrap_degrees(*yaw - m.head_yaw) / *steps as f32;
                 *steps -= 1;
             }
+            // Fox.tick: the head tilt and crouch follow the synched flags.
+            if m.species() == horizon_client::mobs::Species::Fox {
+                horizon_client::mobs::fox::client_tick(m);
+            }
+            // Cat.tick: the lying and relaxing amounts follow the synched flags.
+            if m.species() == horizon_client::mobs::Species::Cat {
+                m.anim.vo = m.anim.v;
+                horizon_client::mobs::tame::cat_amounts(m);
+            }
             // Chicken.aiStep: the wings follow the server's on-ground flag.
             if m.species() == horizon_client::mobs::Species::Chicken {
                 horizon_client::mobs::farm::chicken_flap(m);
@@ -3611,6 +3909,20 @@ impl Game<'_> {
             // LivingEntity.updatingUsingItem: the ticks the item has been
             // used before this one. Another player's use particles; a mob's
             // drawn bow only needs the count (its pull follows it).
+            if player {
+                // AvatarRenderer.getArmPose: the used item's BLOCK animation
+                // (an item with `blocks_attacks`) raises the arm.
+                let used = if m.extra.using_off_hand {
+                    &m.extra.off_hand
+                } else {
+                    &m.extra.main_hand
+                };
+                m.extra.blocking = m.extra.using_item > 0
+                    && used
+                        .as_ref()
+                        .and_then(|i| self.res.items().get(i))
+                        .is_some_and(|i| i.blocks_attacks.is_some());
+            }
             if m.extra.using_item > 0 {
                 if player {
                     let item = if m.extra.using_off_hand {
@@ -3619,7 +3931,7 @@ impl Game<'_> {
                         m.extra.main_hand.clone()
                     };
                     if let Some(item) = item {
-                        let eye = if m.extra.crouching { 1.27 } else { 1.62 };
+                        let eye = m.eye_height();
                         let at = [m.position.x, m.position.y, m.position.z];
                         using.push((
                             item,
@@ -3637,6 +3949,8 @@ impl Game<'_> {
             // a player's body following its walk and look.
             if player {
                 remote_player_head_turn(m);
+                // LivingEntity.tick: the glide count, wings and swim amount.
+                m.tick_avatar_pose(m.fluids.in_water);
             } else if m.alive() {
                 m.body_rotation_tick();
             }
@@ -3653,6 +3967,29 @@ impl Game<'_> {
             if m.species() == horizon_client::mobs::Species::Bat {
                 horizon_client::mobs::bat::setup_animation_states(m);
             }
+            // The animation states a server computes in its own `ai_step`.
+            horizon_client::mobs::sync::client_tick(m, game_time);
+            if m.species() == horizon_client::mobs::Species::Panda {
+                horizon_client::mobs::panda::client_tick(m, thundering);
+            }
+            match m.species() {
+                // WitherBoss.aiStep: the side heads turn toward their targets.
+                horizon_client::mobs::Species::Wither => {
+                    horizon_client::mobs::wither::client_tick(m, |id| {
+                        wither_targets
+                            .iter()
+                            .find(|t| t.0 == id)
+                            .map(|t| (t.1, t.2))
+                    });
+                }
+                // Hoglin and piglin `isConverting` outside the Nether.
+                horizon_client::mobs::Species::Hoglin
+                | horizon_client::mobs::Species::Piglin
+                | horizon_client::mobs::Species::PiglinBrute => {
+                    horizon_client::mobs::piglin::client_converting(m, nether);
+                }
+                _ => {}
+            }
         }
         for o in self.orbs.iter_mut().filter(|_| running) {
             o.previous = o.position;
@@ -3677,10 +4014,12 @@ impl Game<'_> {
             d.tick(world, facts, collision, false, &self.res.motion().fluids);
         }
         head_lerps.retain(|_, (_, steps)| *steps > 0);
+        let _ = self.handle_mob_events(mob_fx);
         for (item, ticks, at, eye, pitch, yaw) in using {
             self.remote_player_eating(&item, ticks, at, eye, pitch, yaw);
         }
         if running {
+            self.guardian_bubbles();
             // The dragon: LivingEntity's interpolation, inside its aiStep.
             let dragon_lerp = self
                 .dragon
@@ -3842,6 +4181,8 @@ impl Game<'_> {
         }
     }
 
+    /// `MultiPlayerGameMode.stopDestroyBlock`: aborts the break and starts
+    /// the attack strength again.
     pub(super) fn stop_remote_mining(&mut self) {
         if let Some((pos, _, _)) = self.remote.as_mut().and_then(|r| r.destroying.take()) {
             self.send(S::PlayerAction(play::PlayerAction {
@@ -3850,6 +4191,7 @@ impl Game<'_> {
                 direction: 0,
                 sequence: 0,
             }));
+            self.reset_attack_strength();
         }
     }
 
@@ -3903,11 +4245,11 @@ impl Game<'_> {
         } else {
             self.destroy_progress(hit.pos)
         };
-        let same = self
-            .remote
-            .as_ref()
-            .and_then(|r| r.destroying)
-            .is_some_and(|(p, _, _)| p == hit.pos);
+        // sameDestroyTarget: the same block and still the item the break began with.
+        let held = self.main_hand_key();
+        let same = self.remote.as_ref().is_some_and(|r| {
+            r.destroying.is_some_and(|(p, _, _)| p == hit.pos) && r.destroying_item == held
+        });
         if start && same {
             return;
         }
@@ -3934,7 +4276,11 @@ impl Game<'_> {
             }
             if let Some(r) = self.remote.as_mut() {
                 r.destroying = Some((hit.pos, face, 0.0));
+                r.destroying_item = held;
             }
+            // startDestroyBlock plays the first hit and crack itself; the
+            // server's level events 2019 and 2020 do the rest.
+            self.breaking_block_effects(hit.pos, hit.face, true);
             self.mining = Some(Mining {
                 pos: hit.pos,
                 progress: 0.0,
@@ -3947,20 +4293,6 @@ impl Game<'_> {
         };
         let done = done + progress;
         let ticks = self.mining.as_ref().map_or(0, |m| m.ticks) + 1;
-        if ticks % 4 == 1 {
-            let c = [
-                f64::from(pos[0]) + 0.5,
-                f64::from(pos[1]) + 0.5,
-                f64::from(pos[2]) + 0.5,
-            ];
-            self.audio.play(
-                &facts.sounds.hit,
-                Some(c),
-                (facts.sounds.volume + 1.0) / 8.0,
-                facts.sounds.pitch * 0.5,
-            );
-        }
-        self.crack_particle(pos, hit.face, state);
         if done >= 1.0 {
             let seq = self.next_sequence();
             self.predict_break(pos, state, seq);
@@ -4128,6 +4460,21 @@ impl Game<'_> {
             }
             if reacts {
                 self.predict_use(&changes, seq);
+                self.open_command_block_if_editable((hit.pos[0], hit.pos[1], hit.pos[2]));
+            } else if held.as_ref().is_some_and(|s| &*s.item == "minecraft:brush") {
+                // BrushItem.useOn: brushing starts here (CONSUME, no swing); the
+                // server brushes and the dust is this client's own.
+                self.with_hand(hand, |g| {
+                    if g.using.is_none() {
+                        g.using = Some((g.held_slot(), 0));
+                    }
+                });
+                return true;
+            } else if self.predict_campfire_douse(hit.pos, held.as_ref(), seq) {
+                // CampfireBlock.useItemOn succeeded: this hand swings and the
+                // click ends, so a shield in the other hand is not raised.
+                self.with_hand(hand, Game::swing_arm);
+                return true;
             } else if let Some(stack) = held.as_ref()
                 && self.predict_item_on_block(stack, &hit)
             {
@@ -4295,7 +4642,7 @@ impl Game<'_> {
     /// predicted under the use's sequence until the server acknowledges it
     /// (`BlockStatePredictionHandler.retainKnownServerState`): a use the
     /// server refused goes back.
-    fn predict_blocks(&mut self, changes: &DryChanges, seq: i32) {
+    pub(super) fn predict_blocks(&mut self, changes: &DryChanges, seq: i32) {
         for &(p, state) in changes {
             let pos = [p.x, p.y, p.z];
             let before = self.world.block(p.x, p.y, p.z);
@@ -4383,7 +4730,10 @@ impl Game<'_> {
         if self.using.is_some() {
             return;
         }
+        let bundle = self.res.items().get(&held.item).is_some_and(|i| i.bundle);
         let start = match &*held.item {
+            // BundleItem.use: always starts; the server drops the contents.
+            _ if bundle => true,
             // BowItem.use: with an arrow, or in creative.
             "minecraft:bow" => self.creative || self.projectile_slot("minecraft:bow").is_some(),
             // CrossbowItem.use: charging when not charged and with ammunition;
@@ -4399,6 +4749,14 @@ impl Game<'_> {
             }
             // SpyglassItem.use (its sound is the server's).
             "minecraft:spyglass" => true,
+            // InstrumentItem.use: the horn plays here too (`playSound(player, ...)`
+            // skips the player's own client), the server's copy tells the others.
+            "minecraft:goat_horn" => {
+                self.remote_use_instrument(held);
+                return;
+            }
+            // Item.use: a kinetic weapon starts being used.
+            id if horizon_client::spear::Kinetic::of(id).is_some() => true,
             // ShieldItem.use: anything that blocks attacks, off cooldown.
             _ => {
                 self.raise_shield(self.held_slot());
@@ -4409,13 +4767,35 @@ impl Game<'_> {
             self.using = Some((self.held_slot(), 0));
         }
     }
+    /// `InstrumentItem.use` on this client: unless the horn is on cooldown,
+    /// it is held up, plays its sound at the player and starts its cooldown.
+    fn remote_use_instrument(&mut self, held: &ItemStack) {
+        let Some(instrument) = self.res.items().instrument(held) else {
+            return;
+        };
+        let group = horizon_client::cooldowns::group(held, None);
+        if self.cooldowns.is_on_cooldown(&group) {
+            return;
+        }
+        self.using = Some((self.held_slot(), 0));
+        let at = self
+            .player
+            .as_ref()
+            .map(|p| [p.position.x, p.position.y, p.position.z]);
+        self.audio
+            .play(&instrument.sound, at, instrument.range / 16.0, 1.0);
+        if instrument.use_duration > 0.0 {
+            self.add_cooldown(group, instrument.use_ticks());
+        }
+    }
     /// Whether `stack` stays in use until the button lets go (bows,
     /// crossbows, tridents, spyglasses, shields): its use only counts ticks here.
     fn held_until_released(&self, stack: &ItemStack) -> bool {
         matches!(
             &*stack.item,
             "minecraft:bow" | "minecraft:crossbow" | "minecraft:trident" | "minecraft:spyglass"
-        ) || self.blocks_attacks(stack).is_some()
+        ) || horizon_client::spear::Kinetic::of(&stack.item).is_some()
+            || self.blocks_attacks(stack).is_some()
     }
 
     /// The rest of Minecraft.startUseItem once the main hand's target passed:
@@ -4448,12 +4828,53 @@ impl Game<'_> {
         // Another hotbar slot picked: LivingEntity.updatingUsingItem sees a
         // different stack in the hand. The off hand keeps its item.
         let in_hand = slot == self.selected || slot == super::shield::OFFHAND_SLOT;
+        // BrushItem.onUseTick: with no block aimed the use ends (the server
+        // ends it too); a stroke shows its dust. Its sounds are the server's.
+        if stack
+            .as_ref()
+            .is_some_and(|s| &*s.item == "minecraft:brush")
+        {
+            let elapsed = ticks + 1;
+            let hit = self.pick().filter(|_| in_hand);
+            if let Some(hit) = &hit
+                && elapsed % 10 == 5
+            {
+                self.brush_dust(hit, slot == super::shield::OFFHAND_SLOT);
+            }
+            if hit.is_none() && in_hand {
+                self.send(S::PlayerAction(play::PlayerAction {
+                    action: 6,
+                    pos: [0; 3],
+                    direction: 0,
+                    sequence: 0,
+                }));
+            }
+            self.using = hit.and(Some((slot, elapsed))).filter(|_| elapsed < 200);
+            return;
+        }
+        // BundleItem.getUseDuration: 200 ticks, the server drops the contents.
+        if stack
+            .as_ref()
+            .is_some_and(|s| self.res.items().get(&s.item).is_some_and(|i| i.bundle))
+        {
+            self.using = (in_hand && ticks + 1 < 200).then_some((slot, ticks + 1));
+            return;
+        }
         // A drawn bow, a charging crossbow, a raised shield...: held until
         // the button lets go.
         if stack.as_ref().is_some_and(|s| self.held_until_released(s)) {
             self.using = in_hand.then_some((slot, ticks + 1));
             return;
         }
+        // A goat horn is held up for its instrument's use duration.
+        if let Some(duration) = stack
+            .as_ref()
+            .and_then(|s| self.res.items().instrument(s))
+            .map(|i| i.use_ticks().max(0) as u32)
+        {
+            self.using = (in_hand && ticks + 1 < duration).then_some((slot, ticks + 1));
+            return;
+        }
         let consumable = stack
             .as_ref()
             .and_then(|s| self.res.items().get(&s.item))
@@ -5230,10 +5651,23 @@ impl Game<'_> {
         if self.screen == Screen::Dead
             && let Some(message) = &r.death_message
         {
-            let tw = HudBatch::text_width(atlas, message);
-            batch.text(atlas, message, (w - tw) / 2.0, 85.0, u32::MAX, true);
+            // DeathScreen draws the styled cause component.
+            let tw = atlas.font.width_text(message);
+            batch.text_styled(
+                atlas,
+                message,
+                ((w - tw) / 2.0).floor(),
+                85.0,
+                u32::MAX,
+                true,
+            );
         }
     }
+    /// Shared flag 6 of an entity on a server's client (`None` without a server).
+    pub(super) fn remote_glowing(&self, id: u32) -> Option<bool> {
+        let r = self.remote.as_ref()?;
+        Some(r.glowing.contains(&(id as i32)))
+    }
     /// Status for `horizon-ctl status`.
     /// The other players' entities in the level and their names (from the
     /// player list).
@@ -5521,7 +5955,8 @@ fn hand_id(hand: Hand) -> i32 {
 /// server decides; this is the client's guess of whether to go on.
 fn item_has_use(info: &horizon_client::items::ItemInfo) -> bool {
     let id = info.id.trim_start_matches("minecraft:");
-    info.consumable.is_some()
+    id.ends_with("_spear")
+        || info.consumable.is_some()
         || info.equip_slot.is_some()
         || info.blocks_attacks.is_some()
         || horizon_client::items::bucket_contents(&info.id).is_some()
@@ -5600,7 +6035,16 @@ impl horizon_client::interaction_input::InteractionWorld for RemoteInputWorld<'_
         self.0.remote_use();
     }
     fn pick(&mut self) {
-        if let Some(hit) = self.0.pick() {
+        // Minecraft.pickBlockOrEntity: an entity before the block is asked
+        // for (`handlePickItemFromEntity`), else the block.
+        if let Some(entity) = self.0.pick_entity_hit() {
+            if let Some(id) = entity {
+                self.0.send(S::PickItemFromEntity(play::PickItemFromEntity {
+                    id,
+                    include_data: self.0.has_control_down(),
+                }));
+            }
+        } else if let Some(hit) = self.0.pick() {
             self.0.send(S::PickItemFromBlock(play::PickItemFromBlock {
                 pos: hit.pos,
                 include_data: self.0.has_control_down(),

crates/horizon-client/src/game/remote_mob_data.rs

@@ -4,10 +4,14 @@
 //! own simulation, which a client of a server doesn't run.
 use super::Game;
 use horizon_client::mobs::render::{PROFESSIONS, VILLAGER_TYPES};
-use horizon_client::mobs::{Mob, Species, Who, bat, bee, finalize, tame};
+use horizon_client::mobs::{
+    Mob, Species, Who, armadillo, bat, bee, camel, creaking, equine, finalize, illusioner, panda,
+    sniffer, sync, tame, zombie_villager,
+};
 use horizon_client::particles::{ParticleOptions, ParticleType};
 use horizon_protocol::entity_data::{Particle, ParticleData, Value};
 use horizon_protocol::registry::{Builtin, Dynamic};
+use horizon_world::registry::BlockStateId;
 
 /// The values `apply` takes from one SetEntityData packet, by vanilla's entry
 /// indices (Entity 0..=7, LivingEntity 8..=14, Mob 15, then the subclasses).
@@ -15,12 +19,37 @@ use horizon_protocol::registry::{Builtin, Dynamic};
 fn apply(m: &mut Mob, values: &[(u8, i32, Value)], builtin: &Builtin, local_entity: i32) {
     let species = m.species();
     let baby = super::lan::baby_index(&m.kind.id);
+    if &*m.kind.id == "minecraft:player" {
+        player_poses(m, values);
+    }
     for (index, _, value) in values {
         match (*index, value) {
+            // Entity.DATA_POSE: a player's or mannequin's box follows it.
+            (6, Value::Id(pose))
+                if matches!(&*m.kind.id, "minecraft:player" | "minecraft:mannequin") =>
+            {
+                m.extra.avatar_pose = horizon_client::pose::Pose::from_id(*pose);
+            }
             // Entity.DATA_SHARED_FLAGS_ID's FLAG_ONFIRE: Entity.isOnFire on a
             // client, which draws the flames. A client doesn't count the
             // fire down: the flag goes off when the server's fire is out.
-            (0, Value::Byte(flags)) => m.fire_ticks = i32::from(flags & 1),
+            (0, Value::Byte(flags)) => {
+                m.fire_ticks = i32::from(flags & 1);
+                // Drowned.setSwimming: the shared flag of swimming.
+                if species == Species::Drowned {
+                    m.extra.flag = flags & 16 != 0;
+                }
+                // The shared flag of invisibility: Entity.isInvisible hides
+                // the model (an illusioner shows its mirror images).
+                let invisible = flags & 32 != 0;
+                if species == Species::Illusioner {
+                    illusioner::set_invisible(m, invisible);
+                } else if &*m.kind.id != "minecraft:player" {
+                    m.invisible = invisible;
+                }
+            }
+            // Entity.DATA_POSE: the pose the species animates by.
+            (6, Value::Id(pose)) => sync::set_pose(m, (*pose).clamp(0, 17) as u8),
             // LivingEntity.DATA_LIVING_ENTITY_FLAGS: using an item 1, in the
             // off hand 2. The flag starts and stops the use; the client ticks
             // the count itself (a bow's pull follows it).
@@ -64,10 +93,23 @@ fn apply(m: &mut Mob, values: &[(u8, i32, Value)], builtin: &Builtin, local_enti
                     Who::Mob(*target as u32)
                 });
             }
+            // Panda: the counters, the two genes and DATA_ID_FLAGS (after
+            // AgeableMob's two entries).
+            (Species::Panda, 18, Value::Int(n)) => panda::set_unhappy(m, *n),
+            (Species::Panda, 19, Value::Int(n)) => panda::set_sneeze(m, *n),
+            (Species::Panda, 20, Value::Int(n)) => panda::set_eat(m, *n),
+            (Species::Panda, 21, Value::Byte(gene)) => m.extra.variant = (*gene).clamp(0, 6) as u8,
+            (Species::Panda, 22, Value::Byte(gene)) => m.extra.variant2 = (*gene).clamp(0, 6) as u8,
+            (Species::Panda, 23, Value::Byte(flags)) => panda::set_flags(m, *flags as u8),
             // PolarBear.DATA_STANDING_ID: the client animates the rearing.
             (Species::PolarBear, 18, Value::Bool(standing)) => m.extra.flag = *standing,
             // Bat.DATA_ID_FLAGS: resting in bit 0.
             (Species::Bat, 16, Value::Byte(flags)) => bat::set_resting(m, flags & 1 != 0),
+            // Fox.DATA_TYPE_ID and DATA_FLAGS_ID.
+            (Species::Fox, 18, Value::Int(variant)) => {
+                m.extra.variant = (*variant).clamp(0, 1) as u8
+            }
+            (Species::Fox, 19, Value::Byte(flags)) => m.extra.ints[0] = i32::from(*flags as u8),
             // Sheep.DATA_WOOL_ID: the colour in the low nibble, 16 sheared.
             (Species::Sheep, 18, Value::Byte(wool)) => {
                 m.extra.color = (*wool & 15) as u8;
@@ -86,6 +128,9 @@ fn apply(m: &mut Mob, values: &[(u8, i32, Value)], builtin: &Builtin, local_enti
                 m.extra.sitting = flags & 1 != 0;
                 m.extra.tame = flags & 4 != 0;
             }
+            // Cat.IS_LYING and RELAX_STATE_ONE.
+            (Species::Cat, 21, Value::Bool(lying)) => m.extra.flag = *lying,
+            (Species::Cat, 22, Value::Bool(relaxing)) => m.extra.relax_one = *relaxing,
             // Wolf.DATA_COLLAR_COLOR and Cat's.
             (Species::Wolf, 21, Value::Int(c)) | (Species::Cat, 23, Value::Int(c)) => {
                 m.extra.color = (*c & 15) as u8;
@@ -94,6 +139,55 @@ fn apply(m: &mut Mob, values: &[(u8, i32, Value)], builtin: &Builtin, local_enti
             (Species::Slime | Species::MagmaCube, 18, Value::Int(size)) => {
                 m.extra.size = (*size).clamp(1, 127);
             }
+            // Warden.CLIENT_ANGER_LEVEL: the heartbeat's pace.
+            (Species::Warden, 16, Value::Int(anger)) => {
+                if let Some(st) = m.extra.warden.as_mut() {
+                    st.client_anger = *anger;
+                }
+            }
+            // Sniffer.DATA_STATE (after AgeableMob's two): the animation
+            // follows it in `sync::client_tick`.
+            (Species::Sniffer, 18, Value::Id(state)) => {
+                sniffer::set_state(m, (*state).clamp(0, 6) as u8);
+            }
+            // Armadillo.ARMADILLO_STATE (after AgeableMob's two): the shell and
+            // its animations follow it in `sync::client_tick`.
+            (Species::Armadillo, 18, Value::Id(state)) => {
+                armadillo::set_state(m, (*state).clamp(0, 3) as u8);
+            }
+            // Goat.DATA_HAS_LEFT_HORN and DATA_HAS_RIGHT_HORN: the model hides
+            // a horn the goat lost.
+            (Species::Goat, 19, Value::Bool(has)) => m.extra.lost_horns[0] = !*has,
+            (Species::Goat, 20, Value::Bool(has)) => m.extra.lost_horns[1] = !*has,
+            // Shulker.DATA_ATTACH_FACE_ID, DATA_PEEK_ID and DATA_COLOR_ID.
+            (Species::Shulker, 16, Value::Id(face)) => m.extra.variant3 = (*face).clamp(0, 5) as u8,
+            (Species::Shulker, 17, Value::Byte(peek)) => m.extra.counter = i32::from(*peek),
+            (Species::Shulker, 18, Value::Byte(color)) => m.extra.color = *color as u8,
+            // Camel.DASH and LAST_POSE_CHANGE_TICK (after AbstractHorse's
+            // flags).
+            (Species::Camel | Species::CamelHusk, 19, Value::Bool(dashing)) => {
+                camel::set_dashing(m, *dashing);
+            }
+            (Species::Camel | Species::CamelHusk, 20, Value::Long(tick)) => {
+                camel::set_synced_pose_tick(m, *tick);
+            }
+            // Vex.DATA_FLAGS_ID: charging in bit 0.
+            (Species::Vex, 16, Value::Byte(flags)) => m.extra.flag = flags & 1 != 0,
+            // Creaking.CAN_MOVE, IS_ACTIVE and IS_TEARING_DOWN.
+            (Species::Creaking, 16, Value::Bool(can_move)) => m.extra.flag2 = !*can_move,
+            (Species::Creaking, 17, Value::Bool(active)) => m.extra.flag = *active,
+            (Species::Creaking, 18, Value::Bool(true)) => creaking::set_tearing_down(m),
+            // Allay.DATA_DANCING and DATA_CAN_DUPLICATE (a cooldown running
+            // is any non-zero `egg_time`).
+            (Species::Allay, 16, Value::Bool(dancing)) => m.extra.flag = *dancing,
+            (Species::Allay, 17, Value::Bool(can)) => m.extra.egg_time = i32::from(!*can),
+            // Axolotl.DATA_PLAYING_DEAD (after DATA_VARIANT): the factors
+            // ease in `sync::client_tick`.
+            (Species::Axolotl, 19, Value::Bool(dead)) => m.extra.axolotl.playing_dead = *dead,
+            // CopperGolem.COPPER_GOLEM_STATE (after DATA_WEATHER_STATE).
+            (Species::CopperGolem, 17, Value::Id(state)) => {
+                m.extra.variant3 = (*state).clamp(0, 4) as u8;
+            }
             // AbstractHorse's flags take 18. Horse.DATA_ID_TYPE_VARIANT: the
             // colour in the low byte, the markings in the next.
             (Species::Horse, 19, Value::Int(v)) => {
@@ -137,6 +231,45 @@ fn apply(m: &mut Mob, values: &[(u8, i32, Value)], builtin: &Builtin, local_enti
             (Species::CopperGolem, 16, Value::Id(state)) => {
                 m.extra.variant = (*state).clamp(0, 3) as u8;
             }
+            // Enderman.DATA_CREEPY (after DATA_CARRY_STATE): the open mouth
+            // and raised head of an angry enderman.
+            (Species::Enderman, 17, Value::Bool(creepy)) => m.extra.flag = *creepy,
+            // AbstractHorse.DATA_ID_FLAGS: eating 16 and standing 32 (the
+            // graze and the rear), which `sync::client_tick` animates.
+            (s, 18, Value::Byte(flags)) if equine::grazes(s) => equine::set_flags(m, *flags as u8),
+            // Enderman.DATA_CARRY_STATE (0 for none): the block it holds.
+            (Species::Enderman, 16, Value::Id(state)) => {
+                m.extra.carried = (*state > 0).then_some(BlockStateId(*state as u32));
+            }
+            // Zombie.DATA_DROWNED_CONVERSION_ID (after DATA_BABY_ID and
+            // DATA_SPECIAL_TYPE_ID): the conversion's shaking.
+            (Species::Zombie | Species::Husk, 18, Value::Bool(converting)) => {
+                m.extra.counter2 = i32::from(*converting);
+            }
+            // ZombieVillager.DATA_CONVERTING_ID (before its villager data).
+            (Species::ZombieVillager, 19, Value::Bool(converting)) => {
+                zombie_villager::set_converting(m, *converting);
+            }
+            // AbstractVillager.DATA_UNHAPPY_COUNTER (after AgeableMob's two):
+            // the head shake of `no`, which the server counts down.
+            (Species::Villager | Species::WanderingTrader, 18, Value::Int(ticks)) => {
+                m.extra.ints[0] = *ticks;
+            }
+            // Hoglin.DATA_IMMUNE_TO_ZOMBIFICATION (after AgeableMob's two) and
+            // AbstractPiglin's: `sync`'s conversion shake reads it.
+            (Species::Hoglin, 18, Value::Bool(immune))
+            | (Species::Piglin | Species::PiglinBrute, 16, Value::Bool(immune)) => {
+                m.extra.flag2 = *immune;
+            }
+            // Blaze.DATA_FLAGS_ID: charged 1, which makes it burn.
+            (Species::Blaze, 16, Value::Byte(flags)) => m.extra.flag = flags & 1 != 0,
+            // Turtle.HAS_EGG and LAYING_EGG (after AgeableMob's two).
+            (Species::Turtle, 18, Value::Bool(has_egg)) => m.extra.flag = *has_egg,
+            (Species::Turtle, 19, Value::Bool(laying)) => m.extra.flag2 = *laying,
+            // WitherBoss.DATA_TARGET_B and _C (after DATA_TARGET_A): the
+            // entities the side heads turn toward in `wither::client_tick`.
+            (Species::Wither, 17, Value::Int(id)) => m.extra.ints[0] = *id,
+            (Species::Wither, 18, Value::Int(id)) => m.extra.ints[1] = *id,
             // Pillager.IS_CHARGING_CROSSBOW: the charge pose (Raider's
             // IS_CELEBRATING takes 16).
             (Species::Pillager, 17, Value::Bool(charging)) => m.extra.flag = *charging,
@@ -208,6 +341,21 @@ fn apply_registry_data(
     }
 }
 
+/// What another player's pose draws from: gliding (Entity.isFallFlying, flag
+/// 0x80 of the shared flags), the pose (swimming), Riptide's spin
+/// (LivingEntity.isAutoSpinAttack, flag 4) and a loaded crossbow in the
+/// hand (the held stack comes with SetEquipment).
+fn player_poses(m: &mut Mob, values: &[(u8, i32, Value)]) {
+    for (index, _, value) in values {
+        match (*index, value) {
+            (0, Value::Byte(flags)) => m.extra.fall_flying = flags & -128 != 0,
+            (6, Value::Id(pose)) => m.extra.synced_pose = (*pose).clamp(0, 17) as u8,
+            (8, Value::Byte(flags)) => m.extra.auto_spin_attack = flags & 4 != 0,
+            _ => {}
+        }
+    }
+}
+
 /// The options of a synched particle list: an entity effect carries its ARGB
 /// colour, the omens none.
 fn swirls(list: &[Particle], builtin: &Builtin) -> Vec<ParticleOptions> {
@@ -260,9 +408,20 @@ impl Game<'_> {
         let Some(r) = &self.remote else {
             return;
         };
+        // LivingEntity.onSyncedDataUpdated(SLEEPING_POS_ID): a villager lies
+        // in its bed the way the bed faces, or gets up.
+        let bed = values.iter().find_map(|v| match v {
+            (14, _, Value::OptPos(bed)) => Some(bed.map_or(0, |b| self.bed_facing(b))),
+            _ => None,
+        });
         if let Some(m) = self.mobs.iter_mut().find(|m| m.id == id as u32) {
             apply(m, values, &r.builtin, r.entity_id);
             apply_registry_data(m, values, &r.registries, self.world.game_time);
+            if let Some(code) = bed
+                && m.species() == Species::Villager
+            {
+                m.extra.ints[1] = code;
+            }
         }
     }
 }

crates/horizon-client/src/game/remote_mob_particles.rs

@@ -0,0 +1,50 @@
+//! Particles a client of a server draws for a mob's entity event, which the
+//! server does not send as a particle packet.
+use super::Game;
+use horizon_client::{
+    mobs::Species,
+    particles::{ParticleOptions, ParticleType},
+};
+use horizon_core::{geometry::Vec3, random::RandomSource};
+
+impl Game<'_> {
+    /// `Ravager.handleEntityEvent(69)`: forty puffs of smoke from the middle
+    /// of its box, then `applyRoarKnockbackClient`: this client's own player
+    /// within 4 blocks is thrown away from it.
+    pub(super) fn remote_ravager_roar(&mut self, id: i32) {
+        let Some(m) = self
+            .mobs
+            .iter()
+            .find(|m| m.id == id as u32 && m.species() == Species::Ravager)
+        else {
+            return;
+        };
+        let (center, at, area) = (
+            m.center(),
+            m.position,
+            m.bounds().inflate(Vec3::new(4.0, 4.0, 4.0)),
+        );
+        let options = ParticleOptions::simple(ParticleType::Poof);
+        for _ in 0..40 {
+            let r = self.particles.random();
+            let v = [
+                r.next_gaussian() * 0.2,
+                r.next_gaussian() * 0.2,
+                r.next_gaussian() * 0.2,
+            ];
+            self.particles.add(&options, center, v);
+        }
+        if let Some(view) = self.player_view()
+            && view.alive
+            && view.bounds.intersects(area)
+            && let Some(p) = self.player.as_mut()
+        {
+            // strongKnockback.
+            let (xd, zd) = (p.position.x - at.x, p.position.z - at.z);
+            let dd = (xd * xd + zd * zd).max(0.001);
+            p.velocity = p
+                .velocity
+                .add_vector(Vec3::new(xd / dd * 4.0, 0.2, zd / dd * 4.0));
+        }
+    }
+}

crates/horizon-client/src/game/remote_mob_use.rs

@@ -61,6 +61,8 @@ impl Game<'_> {
                 ) && !baby
             }
             Species::Sheep => item == "minecraft:shears" || item.ends_with("_dye"),
+            // SnowGolem.mobInteract: shears take the pumpkin off.
+            Species::SnowGolem => item == "minecraft:shears" && !m.extra.sheared,
             // Bucketable.bucketMobPickup.
             Species::Cod
             | Species::Salmon

crates/horizon-client/src/game/remote_objects.rs

@@ -153,6 +153,10 @@ impl Game<'_> {
                     }
                     (3, Value::Bool(visible)) => a.name_visible = *visible,
                     (9, Value::Float(health)) => a.health = *health,
+                    // ArmorStand.DATA_HEAD_POSE to DATA_RIGHT_LEG_POSE.
+                    (16..=21, Value::Floats(r)) if r.len() == 3 => {
+                        a.pose[usize::from(index - 16)] = [r[0], r[1], r[2]];
+                    }
                     // ArmorStand.DATA_CLIENT_FLAGS.
                     (15, Value::Byte(flags)) => {
                         a.small = flags & 1 != 0;