From 05bc471106110bc3348acc04268f60b27215886c Mon Sep 17 00:00:00 2001
From: makscoder <maksim.s.kolosov@gmail.com>
Date: Thu, 5 Nov 2026 20:59:03 +0300
Subject: [PATCH] A refused spectator opening gets the red action bar

ServerPlayer.openMenu, when createMenu returns null for a spectator, sends
container.spectatorCantOpen to the action bar (red). Horizon's refusal in
spectator_open_menu and the chest-boat guest handler was silent.
---
 crates/horizon-client/src/game/lan_actions.rs | 11 +++++++++++
 crates/horizon-client/src/game/storage.rs     |  5 +++++
 2 files changed, 16 insertions(+)

diff --git a/crates/horizon-client/src/game/lan_actions.rs b/crates/horizon-client/src/game/lan_actions.rs
index 1729b2ad2a..7cd8f4bd98 100644
--- a/crates/horizon-client/src/game/lan_actions.rs
+++ b/crates/horizon-client/src/game/lan_actions.rs
@@ -1510,6 +1510,17 @@ impl Game<'_> {
             // loot table is still to roll, and the table stays.
             let spectator = host.hub.guest(conn).is_some_and(|g| g.spectator());
             if spectator && self.boat_loot_pending(self.boats[i].id) {
+                // ServerPlayer.openMenu: the refused spectator's action bar, red.
+                let message =
+                    horizon_client::text::Text::translate("container.spectatorCantOpen", &[])
+                        .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,
+                    }),
+                );
                 return false;
             }
             self.unpack_boat_loot(i);
diff --git a/crates/horizon-client/src/game/storage.rs b/crates/horizon-client/src/game/storage.rs
index cbcfb215e4..a37634e594 100644
--- a/crates/horizon-client/src/game/storage.rs
+++ b/crates/horizon-client/src/game/storage.rs
@@ -51,6 +51,7 @@ impl Game<'_> {
         }
         // BaseContainerBlockEntity.canOpen: a spectator opens no container that still
         // has a loot table to unpack (it clears while it rolls, on first open).
+        // ServerPlayer.openMenu sends the refused spectator a red action bar.
         if self
             .world
             .chunks
@@ -58,6 +59,10 @@ impl Game<'_> {
             .and_then(|c| c.saved.as_ref())
             .is_some_and(|s| s.rolled_loot.iter().any(|r| r.pos == key))
         {
+            self.send_overlay_message(
+                Text::translate("container.spectatorCantOpen", &[])
+                    .with_color(horizon_client::text::RED),
+            );
             return;
         }
         let Some(entity) = BlockEntity::for_block(&name) else {