private static void Unregister(UTinyEntityView view)
{
if (!ActiveViews.Remove(view))
{
return;
}
if (ActiveViews.Count == 0)
{
Undo.postprocessModifications -= HandlePostProcessModification;
}
// From this point, we know that the entity view is being destroyed. What we do not know is if the view is
// being destroyed because we are unloading the scene or if the user deleted the entity through the hierarchy
// or the scene view.
var entity = view.EntityRef.Dereference(Registry);
if (entity?.EntityGroup == null)
{
return;
}
var entityGroupRef = (UTinyEntityGroup.Reference)entity.EntityGroup;
if (UnloadingEntityGroups.Contains(entityGroupRef))
{
return;
}
entity.View = null;
var graph = EntityGroupManager.GetSceneGraph(entityGroupRef);
if (null == graph)
{
return;
}
graph.Delete(graph.FindNode(view.EntityRef));
UTinyHierarchyWindow.InvalidateSceneGraph();
}
private static void HandleEntityGroupUnloaded(UTinyEntityGroup.Reference entityGroupRef)
{
UnloadingEntityGroups.Remove(entityGroupRef);
}
private static void HandleEntityGroupWillUnload(UTinyEntityGroup.Reference entityGroupRef)
{
UnloadingEntityGroups.Add(entityGroupRef);
}
