Remove mock GameObject/Prefab code from managed MapEntity Add CMapGameObject map node with managed counter part that wraps a GameObject Hammer world's Scene uses HammerSceneEditorSession Add HammerManagedInspector that can take over if it likes the MapNode. We only like MapGameObject for now Run Scene.EditorDraw() on MapView for gizmos, remove old Entity.DrawGizmos Hammer: Create GameObject Test option