private async Task UpdateGameSideReference([NotNull] AssetCompositeEditorViewModel editor, [NotNull] IGraphNode gameSideNode, ContentChangeType changeType, object oldValue, object newValue, NodeIndex index)
{
if (editor == null)
{
throw new ArgumentNullException(nameof(editor));
}
if (!AssetRegistry.IsContentType(gameSideNode.Descriptor.GetInnerCollectionType()))
{
return;
}
// Grab the old referenced object if it's not null
AttachedReference reference = null;
if (!ReferenceEquals(oldValue, null))
{
reference = AttachedReferenceManager.GetAttachedReference(oldValue);
}
// Switch to game thread to actually update objects
await editor.Controller.InvokeTask(() =>
{
// For references, push null instead of the real value, the editor asset loader will set the actual value later
switch (changeType)
{
case ContentChangeType.ValueChange:
((IMemberNode)gameSideNode).Update(null);
break;
case ContentChangeType.CollectionUpdate:
((IObjectNode)gameSideNode).Update(null, index);
break;
case ContentChangeType.CollectionAdd:
((IObjectNode)gameSideNode).Add(null, index);
break;
case ContentChangeType.CollectionRemove:
var oldValueGameSide = gameSideNode.Retrieve(index);
((IObjectNode)gameSideNode).Remove(oldValueGameSide, index);
break;
default:
throw new ArgumentOutOfRangeException(nameof(changeType), changeType, null);
}
if (oldValue == newValue)
{
return(Task.CompletedTask);
}
// Unregister the previous value
if (reference != null)
{
return(editor.Controller.Loader.Manager.ClearContentReference(Owner.Id, reference.Id, gameSideNode, index));
}
return(Task.CompletedTask);
});
}
public GameEditorChangePropagator([NotNull] AssetCompositeEditorViewModel editor, [NotNull] TItemViewModel owner, [NotNull] TAssetPart assetSidePart)
{
Editor = editor;
Owner = owner;
// We want to start listening to change right away, in case a change occurs immedately after creating/adding the entity
var rootNode = (IAssetNode)Editor.NodeContainer.GetNode(assetSidePart);
listener = new AssetGraphNodeChangeListener(rootNode, owner.Asset.PropertyGraph.Definition);
listener.Initialize();
listener.ValueChanged += AssetSideNodeChanged;
listener.ItemChanged += AssetSideNodeChanged;
gameObjectLinker = new AssetGraphNodeLinker(owner.Asset.PropertyGraph.Definition)
{
LinkAction = LinkNode
};
Task.Run(() => PropagatorTask(assetSidePart));
}
