public void OnNodeDelete(BTEditorGraphNode node)
{
if (node != null)
{
BTUndoSystem.RegisterUndo(new UndoNodeDeleted(node));
node.OnDelete();
}
}
public void OnDeleteChild(int index)
{
BTEditorGraphNode child = GetChild(index);
if (child != null)
{
child.OnDelete();
}
}
public override void Undo()
{
if (CanUndo)
{
BTEditorGraphNode createdNode = m_graph.GetNodeByHash(m_createdNodeHash);
m_parentNodeHash = m_graph.GetNodeHash(createdNode.Parent);
m_serializedNode = BTUtils.SerializeNode(createdNode.Node);
createdNode.OnDelete();
m_createdNodeHash = null;
}
}
public void OnNodeSwitchType(BTEditorGraphNode target, Type newType)
{
if (target == null || newType == null)
{
return;
}
BTEditorGraphNode parentNode = target.Parent;
Vector2 oldPosition = target.NodePosition;
int oldIndex = target.Parent.GetChildIndex(target);
BehaviourNode node = BTUtils.CreateNode(newType);
if (node != null)
{
node.Constraints.AddRange(target.Node.Constraints);
if (node is Decorator)
{
Decorator original = target.Node as Decorator;
Decorator decorator = node as Decorator;
decorator.SetChild(original.GetChild());
}
else if (node is Composite)
{
Composite original = target.Node as Composite;
Composite composite = node as Composite;
for (int i = 0; i < original.ChildCount; i++)
{
composite.AddChild(original.GetChild(i));
}
}
BTUndoSystem.BeginUndoGroup("Changed node type");
BTUndoSystem.RegisterUndo(new UndoNodeDeleted(target));
target.OnDelete();
BTEditorGraphNode newNode = parentNode.OnInsertChild(oldIndex, node);
if (newNode != null)
{
newNode.NodePosition = oldPosition;
BTUndoSystem.RegisterUndo(new UndoNodeCreated(newNode));
}
BTUndoSystem.EndUndoGroup();
}
}