queue object destruction

include/game/gamemanager.hpp

@@ -56,6 +56,7 @@ namespace Game {
             static T* getEntityByName(const std::string& name);
             template<typename T>
             static void destroyEntity(T* entity);
+            static void processPendingEntityRemovals();
 
         private:
             int mTargetUpdatesPerSecond = TARGET_UPDATE_RATE;
@@ -140,7 +141,8 @@ namespace Game {
     void GameManager::destroyEntity(T* entity) {
         static_assert(std::is_base_of_v<Object::Entity, T>, "T must derive from Object::Entity");
         if (entity) {
-            State::GameState::getInstance().removeEntity(entity->getName());
+            entity->setActive(false);
+            State::GameState::getInstance().queueEntityRemoval(entity->getName());
         }
     }
 }