From 7b7379e75bb85f584d601153cbe2ccf3f0fa692f Mon Sep 17 00:00:00 2001
From: xsainteer <156868231+xsainteer@users.noreply.github.com>
Date: Fri, 28 Aug 2026 18:35:38 +0600
Subject: [PATCH] [HOTFIX] fixing chameleon projector (#45689)

SpriteSystem.CopySprite instead of direct Copy Component
---
 .../Systems/ChameleonProjectorSystem.cs       | 14 ++++++++++-
 .../Systems/SharedChameleonProjectorSystem.cs | 25 ++++++++++++++++++-
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/Content.Client/Polymorph/Systems/ChameleonProjectorSystem.cs b/Content.Client/Polymorph/Systems/ChameleonProjectorSystem.cs
index 9a25277b3f..3600e54864 100644
--- a/Content.Client/Polymorph/Systems/ChameleonProjectorSystem.cs
+++ b/Content.Client/Polymorph/Systems/ChameleonProjectorSystem.cs
@@ -28,7 +28,7 @@ public sealed partial class ChameleonProjectorSystem : SharedChameleonProjectorS
 
     private void OnHandleState(Entity<ChameleonDisguiseComponent> ent, ref AfterAutoHandleStateEvent args)
     {
-        CopyComp<SpriteComponent>(ent);
+        CopySprite(ent);
         CopyComp<GenericVisualizerComponent>(ent);
         CopyComp<SolutionContainerVisualsComponent>(ent);
         CopyComp<BurnStateVisualsComponent>(ent);
@@ -38,6 +38,18 @@ public sealed partial class ChameleonProjectorSystem : SharedChameleonProjectorS
             _appearance.QueueUpdate(ent, appearance);
     }
 
+    /// <summary>
+    /// Copies the source entity/prototype's sprite onto the disguise.
+    /// </summary>
+    private void CopySprite(Entity<ChameleonDisguiseComponent> ent)
+    {
+        if (!GetSrcEntity<SpriteComponent>(ent.Comp, out var src))
+            return;
+
+        var dest = EnsureComp<SpriteComponent>(ent);
+        _sprite.CopySprite(src, (ent.Owner, dest));
+    }
+
     private void OnStartup(Entity<ChameleonDisguisedComponent> ent, ref ComponentStartup args)
     {
         if (!_spriteQuery.TryComp(ent, out var sprite))
diff --git a/Content.Shared/Polymorph/Systems/SharedChameleonProjectorSystem.cs b/Content.Shared/Polymorph/Systems/SharedChameleonProjectorSystem.cs
index f57c81451d..6d18027b4e 100644
--- a/Content.Shared/Polymorph/Systems/SharedChameleonProjectorSystem.cs
+++ b/Content.Shared/Polymorph/Systems/SharedChameleonProjectorSystem.cs
@@ -338,7 +338,7 @@ public abstract partial class SharedChameleonProjectorSystem : EntitySystem
     /// <summary>
     /// Try to get a single component from the source entity/prototype.
     /// </summary>
-    private bool GetSrcComp<T>(ChameleonDisguiseComponent comp, [NotNullWhen(true)] out T? src) where T : Component, new()
+    protected bool GetSrcComp<T>(ChameleonDisguiseComponent comp, [NotNullWhen(true)] out T? src) where T : Component, new()
     {
         if (TryComp(comp.SourceEntity, out src))
             return true;
@@ -351,6 +351,29 @@ public abstract partial class SharedChameleonProjectorSystem : EntitySystem
 
         return proto.TryComp(out src, EntityManager.ComponentFactory);
     }
+
+    /// <summary>
+    /// Try to get a single component, paired with its owning entity, from the source entity/prototype.
+    /// </summary>
+    protected bool GetSrcEntity<T>(ChameleonDisguiseComponent comp, out Entity<T?> src) where T : Component, new()
+    {
+        if (TryComp<T>(comp.SourceEntity, out var liveComp))
+        {
+            src = (comp.SourceEntity, liveComp);
+            return true;
+        }
+
+        if (comp.SourceProto is { } protoId
+            && ProtoMan.TryIndex<EntityPrototype>(protoId, out var proto)
+            && proto.TryComp<T>(out var protoComp, EntityManager.ComponentFactory))
+        {
+            src = (EntityUid.Invalid, protoComp);
+            return true;
+        }
+
+        src = default;
+        return false;
+    }
 }
 
 /// <summary>