/// <summary>
/// Breaks any prefab links for the selected objects. Supports undo/redo.
/// </summary>
public void BreakLinks()
{
// Skip in invalid states
if (!Editor.StateMachine.CurrentState.CanEditScene)
{
return;
}
// Get valid objects (the top ones, C++ backend will process the child objects)
var selection = Editor.SceneEditing.Selection.Where(x => x is ActorNode actorNode && actorNode.HasPrefabLink).ToList().BuildNodesParents();
if (selection.Count == 0)
{
return;
}
// Perform action
if (Editor.StateMachine.CurrentState.CanUseUndoRedo)
{
if (selection.Count == 1)
{
var action = BreakPrefabLinkAction.Break(((ActorNode)selection[0]).Actor);
Undo.AddAction(action);
action.Do();
}
else
{
var actions = new IUndoAction[selection.Count];
for (int i = 0; i < selection.Count; i++)
{
var action = BreakPrefabLinkAction.Break(((ActorNode)selection[i]).Actor);
actions[i] = action;
action.Do();
}
Undo.AddAction(new MultiUndoAction(actions));
}
}
else
{
for (int i = 0; i < selection.Count; i++)
{
((ActorNode)selection[i]).Actor.BreakPrefabLink();
}
}
}
private void OnPrefabCreated(ContentItem contentItem)
{
if (contentItem is PrefabItem prefabItem)
{
PrefabCreated?.Invoke(prefabItem);
}
// Skip in invalid states
if (!Editor.StateMachine.CurrentState.CanEditScene)
{
return;
}
// Record undo for prefab creating (backend links the target instance with the prefab)
if (Editor.Undo.Enabled)
{
var selection = Editor.SceneEditing.Selection.Where(x => x is ActorNode).ToList().BuildNodesParents();
if (selection.Count == 0)
{
return;
}
if (selection.Count == 1)
{
var action = BreakPrefabLinkAction.Linked(((ActorNode)selection[0]).Actor);
Undo.AddAction(action);
}
else
{
var actions = new IUndoAction[selection.Count];
for (int i = 0; i < selection.Count; i++)
{
var action = BreakPrefabLinkAction.Linked(((ActorNode)selection[i]).Actor);
actions[i] = action;
}
Undo.AddAction(new MultiUndoAction(actions));
}
}
Editor.Instance.Windows.PropertiesWin.Presenter.BuildLayout();
}