private void OnActorParentChanged(Actor actor, Actor prevParent)
{
ActorNode node = null;
var parentNode = GetActorNode(actor.Parent);
// Try use previous parent actor to find actor node
var prevParentNode = GetActorNode(prevParent);
if (prevParentNode != null)
{
// If should be one of the children
node = prevParentNode.FindChildActor(actor);
// Search whole tree if node was not found
if (node == null)
{
node = GetActorNode(actor);
}
}
else if (parentNode != null)
{
// Create new node for that actor (user may unlink it from the scene before and now link it)
node = SceneGraphFactory.BuildActorNode(actor);
}
if (node == null)
{
return;
}
// Get the new parent node (may be missing)
if (parentNode != null)
{
// Change parent
node.TreeNode.UnlockChildrenRecursive();
node.ParentNode = parentNode;
}
else
{
// Check if actor is selected in editor
if (Editor.SceneEditing.Selection.Contains(node))
{
Editor.SceneEditing.Deselect();
}
// Remove node (user may unlink actor from the scene but not destroy the actor)
node.Dispose();
}
}
private void OnActorDeleted(ActorNode node)
{
for (int i = 0; i < node.ChildNodes.Count; i++)
{
if (node.ChildNodes[i] is ActorNode child)
{
i--;
OnActorDeleted(child);
}
}
ActorRemoved?.Invoke(node);
// Cleanup part of the graph
node.Dispose();
}
private void OnActorParentChanged(Actor actor, Actor prevParent)
{
ActorNode node = null;
// Try use previous parent actor to find actor node
var prevParentNode = GetActorNode(prevParent);
if (prevParentNode != null)
{
// If should be one of the children
node = prevParentNode.FindChildActor(actor);
// Search whole tree if node was not found
if (node == null)
{
node = GetActorNode(actor);
}
}
else
{
// Create new node for that actor (user may unlink it from the scene before and now link it)
node = SceneGraphFactory.BuildActorNode(actor);
}
if (node == null)
{
return;
}
// Get the new parent node (may be missing)
var parentNode = GetActorNode(actor.Parent);
if (parentNode != null)
{
// Change parent
node.ParentNode = parentNode;
}
else
{
// Remove node (user may unlink actor from the scene but not destroy the actor)
node.Dispose();
}
}
