/// <summary>
/// Makes the passed ref undo object the current undo if it wasn't, and returns it afterwards.
/// Use this in your editor scripts to be able to undo/redo via the menu items (Ctrl+Alt+u, Ctrl+Alt+r)
/// ex:
/// private BetterUndo _undo;
/// public BetterUndo undo { get { return BetterUndo.MakeCurrent(ref _undo); } }
/// And then from this point on, you just use 'undo' - that way this instace becomes the current undo,
/// and thus available to be accessed from the menu items.
/// </summary>
public static BetterUndo MakeCurrent(ref BetterUndo undo)
{
if (current != undo)
{
current = undo;
}
return(undo);
}
private void HandleUndoAndSet(object value)
{
if (UnityTarget != null)
{
Undo.RecordObject(UnityTarget, "Editor Member Modification");
}
_undoTimer = EditorApplication.timeSinceStartup - _undoLastTime;
if (_undoTimer > kUndoTick)
{
_undoTimer = 0f;
_undoLastTime = EditorApplication.timeSinceStartup;
BetterUndo.MakeCurrent(ref _undo);
_setVar.ToValue = value;
_undo.RegisterThenPerform(_setVar);
}
else
{
_set(value);
}
}
