Method BreakLinks

Source/Editor/Modules/PrefabsModule.cs:179–218

Breaks any prefab links for the selected objects. Supports undo/redo.

()

        /// 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();
                }
            }
        }

        /// <summary>
        /// Selects in Content Window the prefab asset used by the selected objects.