Fixed Serializer

- Fixed Serializer skipping entities with id 0
- EditorLayer now serializes the scene upon destruction

Engine/src/Engine/Utility/Serializer.cpp

@@ -91,7 +91,7 @@ namespace Light {
 		m_Scene->m_Registry.each([&](auto entityID)
 		{
 			Entity entity = { entityID, m_Scene.get() };
-			if (!entity)
+			if (!entity.IsValid())
 				return;
 
 			SerializeEntity(out, entity);

Mirror/src/EditorLayer.cpp

@@ -19,6 +19,12 @@ namespace Light {
 
 		m_CameraEntity = m_Scene->GetEntityByTag("Game Camera");
 	}
+
+	EditorLayer::~EditorLayer()
+	{
+		SceneSerializer serializer(m_Scene);
+		serializer.Serialize("../../Mirror/res/Scenes/editorlayer.yaml");
+	}
 	
 	void EditorLayer::OnUpdate(float deltaTime)
 	{

Mirror/src/EditorLayer.h

@@ -29,6 +29,7 @@ namespace Light {
 
 	public:
 		EditorLayer(const std::string& name);
+		~EditorLayer();
 
 		void OnUpdate(float deltaTime) override;