entity destruction, etc.

include/state/gamestate.hpp

@@ -20,6 +20,7 @@ namespace Game::State {
             }
 
             void sort(); // Sort entities by zIndex for correct rendering order
+            void wipe();
             Object::Entity* getEntityByName(const std::string& name); // Get an entity by name, returns nullptr if no entity with the name exists
             std::vector<Object::Entity*> getEntitiesSnapshot(bool sortByZIndex = false); // Get a stable snapshot of entity pointers for iteration outside the lock
 
@@ -27,6 +28,7 @@ namespace Game::State {
             Object::Entity* getAtIndex(size_t at);
             // Add an entity to the gamestate.
             void addEntity(std::unique_ptr<Object::Entity> entity);
+            bool removeEntity(const std::string& name);
 
         private:
             mutable std::mutex mMutex; // Shared mutex for thread safety