private static void Unattach(this TreeHierarchyNodeAsset self, TreeHierarchyNodeAsset child)
{
Debug.Assert(self._children.Contains(child));
self._children.Remove(child);
child._isFloating = true;
child._tree._floaters.Add(child);
}
public static void DeleteHierarchy(this TreeHierarchyNodeAsset self)
{
if (self._parent != null)
{
self.UnattachFromParent();
}
foreach (var node in self.Postorder())
{
GameObject.DestroyImmediate(self, true);
}
}
public static void ChangeParentTo(this TreeHierarchyNodeAsset child, TreeHierarchyNodeAsset newParent)
{
Debug.Assert(newParent._tree == child._tree);
if (child._parent != null)
{
child._parent.Unattach(child);
}
child._parent = newParent;
newParent._children.Add(child);
child._isFloating = false;
child._tree._floaters.Remove(child);
}
public static void ChangeParentTo(this TreeHierarchyNodeAsset child, TreeHierarchyNodeAsset newParent, int index)
{
Debug.Assert(newParent._tree == child._tree);
if (child._parent == newParent && index > newParent._children.IndexOf(child))
{
index--;
}
if (child._parent != null)
{
child._parent.Unattach(child);
}
child._parent = newParent;
newParent._children.Insert(index, child);
child._isFloating = false;
child._tree._floaters.Remove(child);
}
public static void UnattachFromParent(this TreeHierarchyNodeAsset child)
{
child._parent.Unattach(child);
}
public static void ChangeParentTo(this TreeHierarchyNodeAsset child, TreeHierarchyNodeAsset newParent)
{
ChangeParentTo(child, newParent, newParent._children.Count);
}