public void OnNodeBeginDrag(BTEditorGraphNode node, Vector2 position)
{
if (m_selection.Contains(node))
{
BTUndoSystem.BeginUndoGroup("Moved node(s)");
for (int i = 0; i < m_selection.Count; i++)
{
BTUndoSystem.RegisterUndo(new UndoNodeMoved(m_selection[i]));
m_selection[i].OnBeginDrag(position);
}
}
}
public void OnNodeDeleteChildren(BTEditorGraphNode node)
{
if (node != null)
{
BTUndoSystem.BeginUndoGroup("Delete children");
int childIndex = 0;
while (node.ChildCount > 0)
{
BTUndoSystem.RegisterUndo(new UndoNodeDeleted(node.GetChild(0), childIndex));
node.OnDeleteChild(0);
childIndex++;
}
BTUndoSystem.EndUndoGroup();
}
}
public void OnNodeSwitchType(BTEditorGraphNode target, Type newType)
{
if (target == null || newType == null)
{
return;
}
BTEditorGraphNode parentNode = target.Parent;
Vector2 oldPosition = target.NodePositon;
int oldIndex = target.Parent.GetChildIndex(target);
BehaviourNode node = BTUtils.CreateNode(newType);
if (node != null)
{
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.NodePositon = oldPosition;
BTUndoSystem.RegisterUndo(new UndoNodeCreated(newNode));
}
BTUndoSystem.EndUndoGroup();
}
}
