Fixing some stuff related to attacks

src/CharacterState.h

@@ -114,7 +114,7 @@ public:
     // --- Non-serializable callbacks (re-wired after each load) ---
     std::function<void()>             onArrivedCallback;
     std::function<void()>             onDeathAnimComplete;
-    std::function<void(float, float)> onHpChanged;
+    std::function<void(float, float, int)> onHpChanged;
 
     // Global Lua function name backing onArrivedCallback, if it was sourced from a
     // script (see ScriptEngine::rehydrateNamedCallback). Serialized so the callback