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Implement vanilla armor, toughness and magic damage reduction
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Ludovic Marie committed
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|
||||
"crates/horizon-world/src/movement_emission.rs": "76e7d6f5b19c94676190f54389f9c4ce12cf89945ccfcb9c750de473223e7753",
|
||||
"crates/horizon-world/src/movement_properties.rs": "6f01ab920b376a13f5ae12c3718f4dd067e1dff2b829585af00a8b2100f3775d",
|
||||
"crates/horizon-world/src/movement_restitution.rs": "04b4fe0947e7e52576145bd8ed15920278e8a538afcc74d125eaca513dffa0ef",
|
||||
"crates/horizon-world/src/movement_support.rs": "02d85cf572847f2e60b5a7f9d60b856888a67b3c1f4df03e81998c66fdf874be",
|
||||
"crates/horizon-world/src/nbt.rs": "60262c3de8c8f68bc2da0370ccb17393d32b85f5f5022c6358599a7d32119ea6",
|
||||
"crates/horizon-world/src/piston_movement.rs": "7a3fd2549a582b5f3a5c21aa05d67d944d62ca1105856679e100ac5b44e9a52f",
|
||||
"crates/horizon-world/src/piston_shape.rs": "399c2337103b8e7e0eb5667227c5aa14f9549d6a467b7be7da3d0717f0263500",
|
||||
"crates/horizon-world/src/player_travel.rs": "6841a677a900495eb6223031ef3ebe8d859bb98908dda0e2209e5f28839dc593",
|
||||
"crates/horizon-world/src/powder_snow_collision.rs": "7289946a21478d11abfd2bdcdddff3d7f98e25bf6a68564fed45c3cc01ac2a36",
|
||||
"crates/horizon-world/src/region.rs": "72b642e87fed37ed17f54d4c30f96c3b64d26c14bc0589c31ef40ff1616188fc",
|
||||
"crates/horizon-world/src/registry/json.rs": "7a683afcd1742c5307756927d7f0aa779c7d7992af87d8d371dd98108728e235",
|
||||
"crates/horizon-world/src/registry.rs": "f2e58b2b4d944ac8fc6226bd3352cefc3d2052d8473e02ccf7dc402b176df435",
|
||||
"crates/horizon-world/src/registry_collision_scan.rs": "97cc950a9a4ba387b78e368f36d595f8664ab7730d132900d220ce23b92826ea",
|
||||
"crates/horizon-world/src/registry_fall_ray.rs": "52935436132df505691144840dcbd858b15d00d8305997284e3a542ecf6bc0dc",
|
||||
"crates/horizon-world/src/registry_fluid.rs": "b8959c05850cfeaaad1e4de8ca7c7d0d6ac56da9b2c1de3ebefa5871a11ed35e",
|
||||
"crates/horizon-world/src/retrogen.rs": "6efd36a6293756688c1990a7965bd65609d7c5e2bf2a5f4f01d54932d2b9386b",
|
||||
"crates/horizon-world/src/suffocation.rs": "bed219dd5bbab6263b98fbe3d0eb512cb96c52ae847210efe49514d05f22f11e",
|
||||
"crates/horizon-world/src/swimming.rs": "49d2dae13c109b37ff832cde98a857944ff45247b864a527b9c4f03ecca7a7b7",
|
||||
"crates/horizon-world/src/tick_data.rs": "f8d04a69ea263f4168bce33f92e5b4ee2fe07d7caf50a1621c6b3ef6eb2479f3",
|
||||
"crates/horizon-world/src/water_splash.rs": "e0461ae1b2e8c851cca6e3251a188334293292201d7f80dc9e7d60fd1815f4d1",
|
||||
"crates/horizon-world/src/world_movement.rs": "f8fe9e34f2395d2a04c839d1c8ba78e09ce493c26de6f6e4e237b9c19c061da5",
|
||||
"crates/horizon-world/src/world_ray.rs": "879bdbbe12f56deb705cc183933431489e840b71eade40c33391eed5949c2e61",
|
||||
"crates/horizon-world/src/worldgen/anchor.rs": "d156b8a0b147a274cdd143409b441f4f43edecde6e8ee14ef9cf0309f743143a",
|
||||
"crates/horizon-world/src/worldgen/aquifer/config.rs": "fcd2cc3a520c1527c88f095a3b5d38487e7ebb1ccecc5f757f93d04a069add4f",
|
||||
"crates/horizon-world/src/worldgen/aquifer/noise_based.rs": "74daaa389b5c3dfdc99214dfff256a9e172f83548d2326cbc941d9637cc53fb7",
|
||||
"crates/horizon-world/src/worldgen/aquifer.rs": "cb4b66d87de3f9f79ae6ffe4badd6f0f44886cd42ad9de2771b8b56c4f1e28c7",
|
||||
"crates/horizon-world/src/worldgen/bamboo.rs": "d9b47113c99be34256e58308bc6f40072ff25c579d6bf995182aa862c0006102",
|
||||
"crates/horizon-world/src/worldgen/biome.rs": "3fe316b875aa32683759c337dc71f624910faf0812a2d6d83b8098d6d0bac7a0",
|
||||
"crates/horizon-world/src/worldgen/biome_chunk.rs": "8fdfe6ebe3ffeca97611fd5991a5bc6b2783ea1c62f4d8ef3b2dd53c04a5dc1d",
|
||||
"crates/horizon-world/src/worldgen/biome_predicate.rs": "bfc581bc40077cc74ffda43e990a55fe997adc04c7130f98e039c3305ca79aac",
|
||||
"crates/horizon-world/src/worldgen/biome_source/codec.rs": "2b9e4f5d679eb444cb73174f511e3b9f32e9eb138248ab12cffc6cfd76adf3a8",
|
||||
"crates/horizon-world/src/worldgen/biome_source/runtime.rs": "f0b02c1521178e4d0377c6ca62694604b6a773f1f234f070ff0cde4685911d45",
|
||||
"crates/horizon-world/src/worldgen/biome_source.rs": "e181e1736f3e0b75f7091a24c88de3fd116e01b98424d02382aea7a503d1eb54",
|
||||
"crates/horizon-world/src/worldgen/biome_temperature.rs": "cde4bbab5e260c4065b113376c423b8511ade93c5aa5fd976e245ee8a58b5ad1",
|
||||
"crates/horizon-world/src/worldgen/biome_weather.rs": "96b1f9494559ed31d06257b83d604d00cc069ccc8c7b68094117e034b4a71bd7",
|
||||
"crates/horizon-world/src/worldgen/block_blob.rs": "c608c57b3d77279646ecb89e50677dd8e452b0422ffd357ba755536c5589eb89",
|
||||
"crates/horizon-world/src/worldgen/block_column.rs": "f72c21a9066ee0aa68c2fb79fba436d05afb14c6ef5a2cb012f1ed35fc17cd22",
|
||||
"crates/horizon-world/src/worldgen/block_feature.rs": "36b4e46ee7f7f73bcb94d8bce8d99013e4b16234c9a03542eeb3186e88dd1c21",
|
||||
"crates/horizon-world/src/worldgen/block_pile.rs": "623e369b77e0526ed2756485a6c0bb09683cd28ad8876dea907360ca6665b39d",
|
||||
"crates/horizon-world/src/worldgen/block_predicate.rs": "074c692367e3f2191a1bb28d87b23402430a843c246bd30a4ea838ee3500280e",
|
||||
"crates/horizon-world/src/worldgen/blue_ice.rs": "eedd77bdaff808330b864166d303378096daa5c7d235e925770b171c05109247",
|
||||
"crates/horizon-world/src/worldgen/bonus_chest.rs": "05d0f63fbc7412f13ba1fa37a7238114b8f70bfff318beb2dece590482d49cc0",
|
||||
"crates/horizon-world/src/worldgen/bulk_section.rs": "eecf61532d7793f853884c5a18a7f436a59835c7b13d3ec9075804511553c9ba",
|
||||
"crates/horizon-world/src/worldgen/carver/canyon.rs": "509c4d5a9d689849e98e894ab14a9fbf82d10707d38e9cc688ded3c4778df3e2",
|
||||
"crates/horizon-world/src/worldgen/carver/generation.rs": "a4498d0d1457536de3922a08e9c40ccce8d2ef9cc263801c15a412327513c098",
|
||||
"crates/horizon-world/src/worldgen/carver.rs": "46b251e28225fe1250de38f49dec5dacda4e2c4ba1e556e21e6d1e14e2651fc3",
|
||||
"crates/horizon-world/src/worldgen/carving.rs": "4e77d4e5c4a0ca55ca3563b9bdf6f379342e0bdf9d019d60f7bc57ce4afb5fbd",
|
||||
"crates/horizon-world/src/worldgen/chorus_plant.rs": "29224c164ede919e280a65a68f155c873e2c8fd0aa7d7e244d8fa9e468760250",
|
||||
"crates/horizon-world/src/worldgen/climate/codec.rs": "d567adeb5d837816fca69102db51d790f71aec1b51c09298230d24612e400a14",
|
||||
"crates/horizon-world/src/worldgen/climate/index.rs": "c5ce61679a5f0e0f2f0af2a373424effa124d0cce8250609eff38b7034650756",
|
||||
"crates/horizon-world/src/worldgen/climate.rs": "1b9ad44407f40aee4c1cd5357a5c9c443c1b105728f01cf5c644072f99f8357e",
|
||||
"crates/horizon-world/src/worldgen/decoration.rs": "75a79b20b21e133816e729f16e758be6165d0db18a64bfbd5fd3618325a2adf3",
|
||||
"crates/horizon-world/src/worldgen/delta.rs": "c2bf49ddf3231d28c109e68871429bc13d76a7bebe14eb33e84aa856bdd66145",
|
||||
"crates/horizon-world/src/worldgen/density.rs": "65a98c156a290a6b374ef670d28cd5dfbe0aa93171824d1bbd96422536273f84",
|
||||
"crates/horizon-world/src/worldgen/disk.rs": "6f8f9e059755af44c9bfa1b91eba54a7d13fad811dce31717c5502d7f6df33d7",
|
||||
"crates/horizon-world/src/worldgen/end_gateway.rs": "f53fde77d6a36a525cd15d890003b2c129d0689a4cbfa2cf443a0c2e3acae040",
|
||||
"crates/horizon-world/src/worldgen/end_podium.rs": "8f6d0d6d60ff0fde63de5781e867239db321f82cf12639f0537d410a3731ee1d",
|
||||
"crates/horizon-world/src/worldgen/feature.rs": "40500af71ee6628dfb27518262d99f08d0383ae6c7b9397452feef0c213eadd9",
|
||||
"crates/horizon-world/src/worldgen/feature_catalog.rs": "efc7b17b227e71622ef34108be9abd010f5675b68ea0409fcab82581d9aab88a",
|
||||
"crates/horizon-world/src/worldgen/feature_graph.rs": "da132fca9fdafb0d89a917d5f4b68c60b70fb33cadf948a107da0e35d83dcd91",
|
||||
"crates/horizon-world/src/worldgen/feature_region.rs": "df0ff142a461cafa9a3b42b949ad3376887f2be8d4ea5cc794a3ed2e977bb499",
|
||||
"crates/horizon-world/src/worldgen/feature_sort.rs": "3488a093dfe1321aaa29d8a30cfb115d8e666a81bf195514e87b170de626835c",
|
||||
"crates/horizon-world/src/worldgen/fluid_predicate.rs": "64197c9e63bebf1ce04bc280bfe980bb6c1b9aa887ca5cded904aeb0d9ae6c46",
|
||||
"crates/horizon-world/src/worldgen/height_provider.rs": "368d4dc119854742a045c4a717679c921456da681fc5f71aa9b37102d6f33b47",
|
||||
"crates/horizon-world/src/worldgen/material_condition/codec.rs": "09b909bc384472f76d163c8069ec6b507c7d5c6a028a36d5e0e3df20deff7b3b",
|
||||
"crates/horizon-world/src/worldgen/material_condition/density.rs": "df9d0761e978e5010663ae8b44f2d6c1ecb4907331e333bdb6a2b487c1e107de",
|
||||
"crates/horizon-world/src/worldgen/material_condition/library.rs": "a55534c5da97575a819af5a7dc0dbec9069993fa8b2619c6c9d5576946e683fa",
|
||||
"crates/horizon-world/src/worldgen/material_condition/noise.rs": "ffb59cc6be2275d7a5621bf7d768527e74a8326ed7ad78618746711540921675",
|
||||
"crates/horizon-world/src/worldgen/material_condition/rule.rs": "fed643352efbcb1f68f29b6241896617db889fc7c577a6247564e01922fec1fe",
|
||||
"crates/horizon-world/src/worldgen/material_condition.rs": "d638dcb8cbcb5da20b3cb29602b0ae6a86c4fdf9d8c0fb725de8ec5fc108717e",
|
||||
"crates/horizon-world/src/worldgen/material_extensions.rs": "ab806eb679d5116e1aebb64fca70e1499ae71f83c9507a8cb4c3201c2b1bf037",
|
||||
"crates/horizon-world/src/worldgen/material_stage.rs": "698cbc786eff13c246e2bc2ea062401918cd4265899fbc3d53abc87e45a8e7a1",
|
||||
"crates/horizon-world/src/worldgen/material_surface.rs": "5d37b90099df3d6da0845dab164e71469fb287019c2ee74bc6714f3b9d6d6d5b",
|
||||
"crates/horizon-world/src/worldgen/ore_feature.rs": "83b89fd3be691c5412c0215b6abefdcaa44119a05aa41217e061970eb7e12ebd",
|
||||
"crates/horizon-world/src/worldgen/placement/chain.rs": "9218399b4d3757f7bbc550d7729a7201f32a1c83a7030865e0c12aab8a80d116",
|
||||
"crates/horizon-world/src/worldgen/placement/context.rs": "a278304795136677ad4b4933ea50c972b9729a1c671c03fa309c193e224b1fd6",
|
||||
"crates/horizon-world/src/worldgen/placement/layer.rs": "a0f5ca776f33f9d4f72b8fdcd163426152e5e43cb4a7572fc1d4fc57bf965de1",
|
||||
"crates/horizon-world/src/worldgen/placement.rs": "b0397e5818fae84358546193a95f84bcb0b5bffafce909e6fcb3386179ee8023",
|
||||
"crates/horizon-world/src/worldgen/replace_blobs.rs": "bf3377d86d2570cd15288ba69dde64a2cf67c5bcbb9a31d0c23421964af74afa",
|
||||
"crates/horizon-world/src/worldgen/router.rs": "2cee7cf15a0d2ada12be6b39d83e78177fd3033922e4f4cce87a64073cec2847",
|
||||
"crates/horizon-world/src/worldgen/rule_test.rs": "d1662ec492489ebaa4b87e20f9a8c809dcf3a223a151211bd65ec241a63692fc",
|
||||
"crates/horizon-world/src/worldgen/settings.rs": "a8fe87752e1982ef11cb67f8d80d8e3428b2c27db178044cb425ba803e689e59",
|
||||
"crates/horizon-world/src/worldgen/simple_block.rs": "9ba1a88d5db4925f8c37366557887f776c805f9a6444781615b5dbaff52e92a4",
|
||||
"crates/horizon-world/src/worldgen/snow_freeze.rs": "9040be3d5c7f8f0fd812d2df45e154bf8a9eeef038530b83fa4159d246eac35f",
|
||||
"crates/horizon-world/src/worldgen/speleothem.rs": "c71651c1c97818a8a85863e14414d6139ea3bdeb897fa422043bcc1499d99aae",
|
||||
"crates/horizon-world/src/worldgen/spike.rs": "eacf0d9d3d2bc3d4bcf62bc87555f90031138236a5bfef0eb5270204f7c2a4fc",
|
||||
"crates/horizon-world/src/worldgen/spring.rs": "830849e9b89fcdf09e9b06fbefdcdebe3c8c3f82804f60b8bd5de04ba303cb62",
|
||||
"crates/horizon-world/src/worldgen/state_provider/catalog.rs": "c8687e15a4887a9200c8d365857d801efaa8f90e669eee3e600a1db4905119eb",
|
||||
"crates/horizon-world/src/worldgen/state_provider/noise.rs": "7ee369c2a032e5620cb9bdf9ee7adad1f70870fb0a27efb7b7c514d92f83491f",
|
||||
"crates/horizon-world/src/worldgen/state_provider/properties.rs": "9909139aaca1dc4f743957257fadaa9d423d21fa401fa9abc050505f79365139",
|
||||
"crates/horizon-world/src/worldgen/state_provider.rs": "be29ada818826a90afe01ab60916360fdfc4cbde5af15c9359cd56b1f1f7b156",
|
||||
"crates/horizon-world/src/worldgen/tags.rs": "d35ded93fe6e95ea045cadcf4925e656dc34ef832b742179b9ad0cc49f902f31",
|
||||
"crates/horizon-world/src/worldgen/terrain.rs": "fd1f2e0afc15daf66f484ea40a1f2b7013650bda0941b23c64c81ee9f79cb673",
|
||||
"crates/horizon-world/src/worldgen/underwater_magma.rs": "7317e40af5ee5a9780f90ce358fa5d3e7f5b3d513b731df6ff97754d9c2a0154",
|
||||
"crates/horizon-world/src/worldgen/value_provider.rs": "3358b563db8cb0bc8a9cfbbe2b8b3e70941cd2d37a0b519fbb6545f8d0dcbb69",
|
||||
"crates/horizon-world/src/worldgen/vines.rs": "ee9b79b65012bd86a838241d2ef708680f7fe8eafc8aa656dae9cf2abf3c6418",
|
||||
"crates/horizon-world/src/worldgen/weighted.rs": "839840aae25302933bbd97a81a2336330e2d03a0ad1684e1e16ac769ed408e6b",
|
||||
"crates/horizon-world/src/worldgen/write_zone.rs": "8e17a179764d3f68c05882aef35f6810c28a0000f9a83e58bd6030660b76e64e",
|
||||
"crates/horizon-world/src/worldgen.rs": "e8e9f099ee1fcec8eedce31805d676d3f89c18e84f494a147ffcbfee23d3d54f",
|
||||
"crates/horizon-world/examples/combat_rules_fixture.rs": "8b1467cff4323625f9f176e826399799fd1fbbbce65b4728d4a6b474d52c5798"
|
||||
},
|
||||
"fixtures_sha256": {
|
||||
".local/rust-combat-rules-parity/inputs.txt": "25f1cf8b2613906d7188a88703921c24e31a33b69d825535dc0787463511128d"
|
||||
},
|
||||
"rust_output_sha256": "d4fb8f05b3c687c4e113c736c746c422e60e39e5f567a46aa1d1ee764d4d46d2",
|
||||
"references": [
|
||||
{
|
||||
"side": "client",
|
||||
"jar_sha256": "4508d006323f24fa02876310c192d739af56516eb259000ac50f0909a68c9a2d",
|
||||
"output_sha256": "d4fb8f05b3c687c4e113c736c746c422e60e39e5f567a46aa1d1ee764d4d46d2",
|
||||
"matched_output_lines": 184248
|
||||
},
|
||||
{
|
||||
"side": "server",
|
||||
"jar_sha256": "a362163eec5d1612d520772bc16e5b39c09e3b234fdc045f56bf544284ee8ae6",
|
||||
"output_sha256": "d4fb8f05b3c687c4e113c736c746c422e60e39e5f567a46aa1d1ee764d4d46d2",
|
||||
"matched_output_lines": 184248
|
||||
}
|
||||
],
|
||||
"scope": "Actual CombatRules armor/toughness and magic protection arithmetic; null/empty/unenchanted weapons, nonserver/server branches, native no-enchantment helper with explicitly empty stack components, query order/mutations/failures, nonfinite/signed-zero and random float bit patterns. The armor-effectiveness enchantment hook is exposed but enchanted components, damage tags/equipment and the full damage pipeline remain pending."
|
||||
}
|
||||
@@ -0,0 +1,87 @@
|
||||
use horizon_world::combat_rules::{self, ArmorWorld};
|
||||
use serde_json::Value;
|
||||
use std::{
|
||||
fs,
|
||||
io::{self, Write},
|
||||
path::Path,
|
||||
};
|
||||
fn single(v: &Value) -> f32 {
|
||||
f32::from_bits(u32::from_str_radix(v.as_str().unwrap(), 16).unwrap())
|
||||
}
|
||||
fn bits(v: f32) -> u32 {
|
||||
if v.is_nan() {
|
||||
f32::NAN.to_bits()
|
||||
} else {
|
||||
v.to_bits()
|
||||
}
|
||||
}
|
||||
struct World<'a> {
|
||||
f: &'a Value,
|
||||
out: &'a mut dyn Write,
|
||||
calls: i64,
|
||||
changed: bool,
|
||||
}
|
||||
impl World<'_> {
|
||||
fn query(&mut self, s: &str) -> io::Result<()> {
|
||||
writeln!(self.out, "{s}")?;
|
||||
let n = self.calls;
|
||||
self.calls += 1;
|
||||
if n == self.f["fail"].as_i64().unwrap() {
|
||||
return Err(io::Error::other("injected armor query failure"));
|
||||
}
|
||||
if n == self.f["mutate_at"].as_i64().unwrap() {
|
||||
self.changed = true;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
fn flag(&self, name: &str) -> bool {
|
||||
self.f[format!("{}{name}", if self.changed { "after_" } else { "" })]
|
||||
.as_bool()
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
impl ArmorWorld for World<'_> {
|
||||
type Error = io::Error;
|
||||
type Weapon = ();
|
||||
type ServerLevel = ();
|
||||
fn weapon(&mut self) -> io::Result<Option<()>> {
|
||||
self.query("weapon")?;
|
||||
Ok(self.flag("weapon").then_some(()))
|
||||
}
|
||||
fn server_level(&mut self) -> io::Result<Option<()>> {
|
||||
self.query("level")?;
|
||||
Ok(self.flag("server").then_some(()))
|
||||
}
|
||||
fn modify_armor_effectiveness(&mut self, _: (), _: (), v: f32) -> io::Result<f32> {
|
||||
Ok(v)
|
||||
}
|
||||
}
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
let arg = std::env::args().nth(1).unwrap();
|
||||
let dir = Path::new(&arg);
|
||||
let mut out = io::BufWriter::new(fs::File::create(dir.join("rust.txt"))?);
|
||||
for line in fs::read_to_string(dir.join("inputs.txt"))?.lines() {
|
||||
let f: Value = serde_json::from_str(line)?;
|
||||
let mut w = World {
|
||||
f: &f,
|
||||
out: &mut out,
|
||||
calls: 0,
|
||||
changed: false,
|
||||
};
|
||||
let damage = single(&f["damage"]);
|
||||
let armor = single(&f["armor"]);
|
||||
let result = if f["mode"] == "magic" {
|
||||
Ok(combat_rules::after_magic(damage, armor))
|
||||
} else {
|
||||
combat_rules::after_armor(&mut w, damage, armor, single(&f["toughness"]))
|
||||
};
|
||||
match result {
|
||||
Ok(v) => {
|
||||
writeln!(w.out, "value {:08x}\nresult ok", bits(v))?;
|
||||
}
|
||||
Err(_) => writeln!(w.out, "result error")?,
|
||||
}
|
||||
writeln!(w.out, "queries {}", w.calls)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
@@ -0,0 +1,51 @@
|
||||
//! Native armor/toughness and enchantment-protection damage arithmetic.
|
||||
fn clamp(value: f32, min: f32, max: f32) -> f32 {
|
||||
if value < min {
|
||||
min
|
||||
} else if value.is_nan() || max.is_nan() {
|
||||
f32::NAN
|
||||
} else if value == 0.0 && max == 0.0 {
|
||||
f32::from_bits(value.to_bits() | max.to_bits())
|
||||
} else {
|
||||
value.min(max)
|
||||
}
|
||||
}
|
||||
pub trait ArmorWorld {
|
||||
type Error;
|
||||
type Weapon: Copy;
|
||||
type ServerLevel: Copy;
|
||||
fn weapon(&mut self) -> Result<Option<Self::Weapon>, Self::Error>;
|
||||
fn server_level(&mut self) -> Result<Option<Self::ServerLevel>, Self::Error>;
|
||||
/// Called only with a nonnull weapon and a server level. Implementations
|
||||
/// apply the weapon's actual armor-effectiveness enchantment components.
|
||||
fn modify_armor_effectiveness(
|
||||
&mut self,
|
||||
level: Self::ServerLevel,
|
||||
weapon: Self::Weapon,
|
||||
effectiveness: f32,
|
||||
) -> Result<f32, Self::Error>;
|
||||
}
|
||||
pub fn after_armor<W: ArmorWorld>(
|
||||
world: &mut W,
|
||||
damage: f32,
|
||||
armor: f32,
|
||||
toughness: f32,
|
||||
) -> Result<f32, W::Error> {
|
||||
let divisor = 2.0 + toughness / 4.0;
|
||||
let protection = clamp(armor - damage / divisor, armor * 0.2, 20.0);
|
||||
let mut effectiveness = protection / 25.0;
|
||||
if let Some(weapon) = world.weapon()? {
|
||||
if let Some(level) = world.server_level()? {
|
||||
effectiveness = clamp(
|
||||
world.modify_armor_effectiveness(level, weapon, effectiveness)?,
|
||||
0.0,
|
||||
1.0,
|
||||
);
|
||||
}
|
||||
}
|
||||
Ok(damage * (1.0 - effectiveness))
|
||||
}
|
||||
pub fn after_magic(damage: f32, protection: f32) -> f32 {
|
||||
let protection = clamp(protection, 0.0, 20.0);
|
||||
damage * (1.0 - protection / 25.0)
|
||||
}
|
||||
@@ -18,6 +18,7 @@ pub mod chunk_status;
|
||||
pub mod climbing;
|
||||
pub mod collision;
|
||||
pub mod collision_context;
|
||||
pub mod combat_rules;
|
||||
pub mod compression;
|
||||
pub mod dynamic_support;
|
||||
pub mod edge_backoff;
|
||||
|
||||
@@ -1221,3 +1221,17 @@ The optimized implementation passes both pinned JAR comparisons again:
|
||||
(**1,771,555 lines per JAR**) and
|
||||
[health/hunger composition](../benchmarks/rust-attribute-memory-2026-10-07/health-regression.json)
|
||||
(**666,082 lines per JAR**). Targeted Clippy passes.
|
||||
|
||||
|
||||
`combat_rules` implements armor/toughness and magic-protection damage arithmetic.
|
||||
It preserves the nonnull-weapon/server-level guards and clamps modified armor
|
||||
effectiveness only after the server enchantment hook.
|
||||
|
||||
`python3 tools/test_combat_rules_parity.py` compares actual `CombatRules` methods.
|
||||
The [combat rules report](../benchmarks/rust-combat-rules-2026-10-07/scoped-parity.json)
|
||||
records **184,248 matching lines per JAR**, including armor/toughness boundaries,
|
||||
random float bit patterns, nonfinite/signed-zero values, query mutations/failures,
|
||||
null/empty/unenchanted weapons and server/nonserver branches. Native unenchanted
|
||||
stacks have explicitly empty components. Targeted Clippy passes. Enchanted item
|
||||
components, damage tags, armor durability and the complete damage pipeline remain
|
||||
pending; the exposed enchantment hook is not an enchantment implementation.
|
||||
@@ -0,0 +1,21 @@
|
||||
package dev.horizonlab.parity;
|
||||
import com.google.gson.*;import java.io.*;import java.nio.file.*;import java.util.*;
|
||||
import net.minecraft.world.damagesource.*;import net.minecraft.world.entity.player.Player;import net.minecraft.world.item.*;import net.minecraft.world.level.Level;import net.minecraft.server.level.ServerLevel;
|
||||
/** Actual CombatRules; weapon paths use empty or unenchanted native stacks. */
|
||||
public final class VanillaCombatRulesOracle {
|
||||
static final class Stop extends RuntimeException {}
|
||||
static float single(JsonElement v){return Float.intBitsToFloat(Integer.parseUnsignedInt(v.getAsString(),16));}
|
||||
static String bits(float v){return String.format("%08x",Float.floatToIntBits(v));}
|
||||
static final class Data {JsonObject f;PrintWriter out;int calls;boolean changed;Level level;ItemStack stack;
|
||||
void query(String text){out.println(text);int n=calls++;if(n==f.get("fail").getAsInt())throw new Stop();if(n==f.get("mutate_at").getAsInt())changed=true;}
|
||||
boolean flag(String name){return f.get((changed?"after_":"")+name).getAsBoolean();}}
|
||||
static final class Source extends DamageSource {Data d;Source(){super(null);}@Override public ItemStack getWeaponItem(){d.query("weapon");return d.flag("weapon")?d.stack:null;}}
|
||||
static final class Actor extends Player {Data d;Actor(){super(null,null);}@Override public net.minecraft.world.level.GameType gameMode(){return net.minecraft.world.level.GameType.SURVIVAL;}@Override public Level level(){d.query("level");return d.flag("server")?d.level:null;}}
|
||||
static final class Server extends ServerLevel {Server(){super(null,null,null,null,null,null,false,0L,List.of(),false);}}
|
||||
public static void main(String[] args)throws Exception {
|
||||
net.minecraft.SharedConstants.tryDetectVersion();net.minecraft.server.Bootstrap.bootStrap();var u=Class.forName("sun.misc.Unsafe");var uf=u.getDeclaredField("theUnsafe");uf.setAccessible(true);var unsafe=uf.get(null);var allocate=u.getMethod("allocateInstance",Class.class);var level=(Server)allocate.invoke(unsafe,Server.class);var stackConstructor=ItemStack.class.getDeclaredConstructor(net.minecraft.core.Holder.class,int.class,net.minecraft.core.component.PatchedDataComponentMap.class);stackConstructor.setAccessible(true);var unenchanted=(ItemStack)stackConstructor.newInstance(net.minecraft.core.registries.BuiltInRegistries.ITEM.wrapAsHolder(Items.DIAMOND_SWORD),1,new net.minecraft.core.component.PatchedDataComponentMap(net.minecraft.core.component.DataComponentMap.EMPTY));Path dir=Path.of(args[1]);
|
||||
try(var out=new PrintWriter(Files.newBufferedWriter(dir.resolve(args[0]+".txt")));var lines=Files.lines(dir.resolve("inputs.txt"))){for(var line:(Iterable<String>)lines::iterator){var f=JsonParser.parseString(line).getAsJsonObject();var d=new Data();d.f=f;d.out=out;d.level=level;d.stack=f.get("empty").getAsBoolean()?ItemStack.EMPTY:unenchanted;var source=(Source)allocate.invoke(unsafe,Source.class);source.d=d;var actor=(Actor)allocate.invoke(unsafe,Actor.class);actor.d=d;
|
||||
try{float value=f.get("mode").getAsString().equals("magic")?CombatRules.getDamageAfterMagicAbsorb(single(f.get("damage")),single(f.get("armor"))):CombatRules.getDamageAfterAbsorb(actor,single(f.get("damage")),source,single(f.get("armor")),single(f.get("toughness")));out.println("value "+bits(value));out.println("result ok");}catch(Stop e){out.println("result error");}out.println("queries "+d.calls);
|
||||
}}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,73 @@
|
||||
#!/usr/bin/env python3
|
||||
"""Compare native armor, toughness and magic protection arithmetic with vanilla."""
|
||||
import argparse
|
||||
import json
|
||||
import os
|
||||
from pathlib import Path
|
||||
import platform
|
||||
import subprocess
|
||||
import random
|
||||
import struct
|
||||
import math
|
||||
try:
|
||||
from . import lab, test_rust_parity as base
|
||||
except ImportError:
|
||||
import lab
|
||||
import test_rust_parity as base
|
||||
|
||||
|
||||
def corpus():
|
||||
def bits(v):return struct.pack('>f',v).hex()
|
||||
def row(damage,armor,toughness,**kw):
|
||||
f=dict(mode='armor',damage=bits(damage),armor=bits(armor),toughness=bits(toughness),weapon=False,server=False,after_weapon=True,after_server=True,empty=True,fail=-1,mutate_at=-1);f.update(kw);return f
|
||||
values=[-float('inf'),-1e30,-25,-20,-8,-1,-0.,0.,1e-40,.1,1,2,4,8,20,25,40,1e30,float('inf'),float('nan')]
|
||||
for damage in values:
|
||||
for armor in values:
|
||||
yield row(damage,armor,0,mode='magic')
|
||||
for toughness in values:
|
||||
for weapon,server,empty in [(False,False,True),(True,False,True),(True,True,True),(True,True,False)]:yield row(damage,armor,toughness,weapon=weapon,server=server,empty=empty)
|
||||
for weapon in [False,True]:
|
||||
for server in [False,True]:
|
||||
for after_weapon in [False,True]:
|
||||
for after_server in [False,True]:
|
||||
for fail in range(-1,3):
|
||||
for mutation in range(-1,3):yield row(17,20,8,weapon=weapon,server=server,after_weapon=after_weapon,after_server=after_server,fail=fail,mutate_at=mutation)
|
||||
rng=random.Random(0x41524d4f52)
|
||||
for _ in range(8000):
|
||||
f=row(0,0,0,weapon=bool(rng.randrange(2)),server=bool(rng.randrange(2)),empty=bool(rng.randrange(2)),mode=rng.choice(['armor','magic']))
|
||||
for key in ['damage','armor','toughness']:f[key]=f'{rng.getrandbits(32):08x}'
|
||||
yield f
|
||||
|
||||
|
||||
def main():
|
||||
parser=argparse.ArgumentParser(description=__doc__);parser.add_argument('--prepare',action='store_true');args=parser.parse_args()
|
||||
build=lab.LOCAL/'rust-combat-rules-parity';build.mkdir(parents=True,exist_ok=True)
|
||||
report_path=build/'report.json';report_path.unlink(missing_ok=True)
|
||||
if args.prepare:lab.prepare()
|
||||
lock,jars,libraries=base.verify_artifacts()
|
||||
oracle=lab.ROOT/'mods/horizon/src/test/java/dev/horizonlab/parity/VanillaCombatRulesOracle.java'
|
||||
sources=[oracle,Path(__file__),lab.ROOT/'tools/test_rust_parity.py',lab.ROOT/'tools/lab.py',lab.ROOT/'Cargo.toml',lab.ROOT/'Cargo.lock',lab.ROOT/'crates/horizon-core/Cargo.toml',lab.ROOT/'crates/horizon-world/Cargo.toml',*sorted((lab.ROOT/'crates/horizon-core/src').rglob('*.rs')),*sorted((lab.ROOT/'crates/horizon-world/src').rglob('*.rs')),lab.ROOT/'crates/horizon-world/examples/combat_rules_fixture.rs']
|
||||
tested_sources=base.source_hashes(sources)
|
||||
classes=build/'classes';classes.mkdir(exist_ok=True)
|
||||
def run(command,name):
|
||||
with (build/(name+'.log')).open('w',encoding='utf-8') as log:base.run(list(map(str,command)),stdout=log,stderr=subprocess.STDOUT)
|
||||
dependency_path=os.pathsep.join(map(str,libraries))
|
||||
run(['javac','--release',lock['minecraft']['java_major'],'-proc:none','-cp',str(jars['server'])+os.pathsep+dependency_path,'-d',classes,oracle],'compile-java')
|
||||
def java(side,mode,path):
|
||||
run(['java','-Xmx512M','-cp',os.pathsep.join([str(classes),str(jars[side]),dependency_path]),'dev.horizonlab.parity.VanillaCombatRulesOracle',mode,path],side+'-'+mode)
|
||||
fixtures=list(corpus());inputs=build/'inputs.txt';inputs.write_text(''.join(json.dumps(value,separators=(',',':'))+'\n' for value in fixtures),encoding='utf-8')
|
||||
fixture_paths=[inputs];tested_fixtures=base.source_hashes(fixture_paths)
|
||||
run(['cargo','build','--release','-p','horizon-world','--example','combat_rules_fixture'],'compile-rust')
|
||||
metadata=json.loads(subprocess.check_output(['cargo','metadata','--no-deps','--format-version','1'],cwd=lab.ROOT,text=True))
|
||||
binary=Path(metadata['target_directory'])/'release/examples'/('combat_rules_fixture.exe' if os.name=='nt' else 'combat_rules_fixture')
|
||||
run([binary,build],'rust');references=[]
|
||||
for side,jar in jars.items():
|
||||
java(side,side,build);reference=build/f'{side}.txt';matched=base.compare(reference,build/'rust.txt')
|
||||
references.append({'side':side,'jar_sha256':lab.digest(jar,'sha256'),'output_sha256':lab.digest(reference,'sha256'),'matched_output_lines':matched})
|
||||
print(f'{side}: {matched:,} combat rules output lines match Rust',flush=True)
|
||||
base.ensure_sources_unchanged(sources,tested_sources);base.ensure_sources_unchanged(fixture_paths,tested_fixtures)
|
||||
report={'schema':1,'minecraft':lock['minecraft']['version'],'manifest_sha1':lock['minecraft']['manifest_sha1'],'platform':platform.platform(),'java':subprocess.check_output(['java','--version'],text=True).splitlines()[0],'rustc':subprocess.check_output(['rustc','--version'],text=True).strip(),'fixtures':len(fixtures),'sources_sha256':tested_sources,'fixtures_sha256':tested_fixtures,'rust_output_sha256':lab.digest(build/'rust.txt','sha256'),'references':references,'scope':'Actual CombatRules armor/toughness and magic protection arithmetic; null/empty/unenchanted weapons, nonserver/server branches, native no-enchantment helper with explicitly empty stack components, query order/mutations/failures, nonfinite/signed-zero and random float bit patterns. The armor-effectiveness enchantment hook is exposed but enchanted components, damage tags/equipment and the full damage pipeline remain pending.'}
|
||||
lab.write_json(report_path,report);print(f'Scoped combat rules parity passed: {report_path}')
|
||||
|
||||
|
||||
if __name__=='__main__':main()
|
||||
Reference in new issue
Block a user