Fixing some stuff related to attacks

src/Character.h

@@ -31,6 +31,8 @@ public:
     // All serializable game state (position, hp, flags, pathfinding, etc.)
     CharacterState state;
 
+    int index = CharacterState::kNoTarget;
+
     // ---- Asset loading ----
     void loadAnimation(AnimationState animState, const std::string& filename, const std::string& zipFile = "");
     void loadBinaryAnimation(AnimationState animState, const std::string& filename, const std::string& zipFile = "");
@@ -64,7 +66,7 @@ public:
     void resetPlayerAfterDeath();
 
     // ---- Damage ----
-    void applyDamage(float damageAmount, const Eigen::Vector3f& attackDirection = Eigen::Vector3f::Zero());
+    void applyDamage(float damageAmount, const Eigen::Vector3f& attackDirection = Eigen::Vector3f::Zero(), int attackerIndex = CharacterState::kNoTarget);
 
     // ---- Spark setup ----
     void setupHitSparks(std::shared_ptr<Texture> sparkTexture);