public INodeModel CreateStackedNode(Type nodeTypeToCreate, string nodeName = "", int index = -1, SpawnFlags spawnFlags = SpawnFlags.Default, Action <NodeModel> preDefineSetup = null, GUID?guid = null)
{
SpawnFlags createNodeFlags = (spawnFlags & SpawnFlags.CreateNodeAsset) | SpawnFlags.Orphan; // we don't want to CreateNode to add the node to the graph nor to register undo
var graphModel = (GraphModel)GraphModel;
NodeModel nodeModel = (NodeModel)graphModel.CreateNodeInternal(nodeTypeToCreate, nodeName, Vector2.zero, createNodeFlags, preDefineSetup, guid);
graphModel.RegisterNodeGuid(nodeModel);
if (!spawnFlags.IsOrphan())
{
if (spawnFlags.IsUndoable())
{
AddStackedNode(nodeModel, index);
AssetModel.SetAssetDirty();
}
else
{
AddStackedNode(nodeModel, index);
}
}
nodeModel.DefineNode();
return(nodeModel);
}