コード例 #1
0
TSharedRef<FObjectBindingNode> FSequencerNodeTree::AddObjectBinding(const FString& ObjectName, const FGuid& ObjectBinding, TMap<FGuid, const FMovieSceneBinding*>& GuidToBindingMap, TArray< TSharedRef<FSequencerDisplayNode> >& OutNodeList)
{
	TSharedPtr<FObjectBindingNode> ObjectNode;
	TSharedPtr<FObjectBindingNode>* FoundObjectNode = ObjectBindingMap.Find(ObjectBinding);
	if (FoundObjectNode != nullptr)
	{
		ObjectNode = *FoundObjectNode;
	}
	else
	{
		// The node name is the object guid
		FName ObjectNodeName = *ObjectBinding.ToString();

		// Try to get the parent object node if there is one.
		TSharedPtr<FObjectBindingNode> ParentNode;
		TArray<UObject*> RuntimeObjects;
		UMovieSceneSequence* Animation = Sequencer.GetFocusedMovieSceneSequence();
		UObject* RuntimeObject = Animation->FindObject(ObjectBinding);
		if ( RuntimeObject != nullptr)
		{
			UObject* ParentObject = Animation->GetParentObject(RuntimeObject);
			if (ParentObject != nullptr)
			{
				FGuid ParentBinding = Animation->FindObjectId(*ParentObject);
				TSharedPtr<FObjectBindingNode>* FoundParentNode = ObjectBindingMap.Find( ParentBinding );
				if ( FoundParentNode != nullptr )
				{
					ParentNode = *FoundParentNode;
				}
				else
				{
					const FMovieSceneBinding** FoundParentMovieSceneBinding = GuidToBindingMap.Find( ParentBinding );
					if ( FoundParentMovieSceneBinding != nullptr )
					{
						ParentNode = AddObjectBinding( (*FoundParentMovieSceneBinding)->GetName(), ParentBinding, GuidToBindingMap, OutNodeList );
					}
				}
			}
		}

		// Create the node.
		ObjectNode = MakeShareable( new FObjectBindingNode( ObjectNodeName, ObjectName, ObjectBinding, ParentNode, *this ) );
		if (ParentNode.IsValid())
		{
			ParentNode->AddObjectBindingNode(ObjectNode.ToSharedRef());
		}
		else
		{
			OutNodeList.Add( ObjectNode.ToSharedRef() );
		}

		// Map the guid to the object binding node for fast lookup later
		ObjectBindingMap.Add( ObjectBinding, ObjectNode );
	}

	return ObjectNode.ToSharedRef();
}