/// <summary>
/// Records the multi-stage action in the undo stack.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="action"></param>
public void FinishMultiStageAction()
{
if (_activeMultiAction == null)
{
return;
}
// We check if the action ended properly so it can be stored in undo.
if (_activeMultiAction.OnActionEnd())
{
clearRedoStack();
_undoStack.Push(_activeMultiAction);
}
// There is no longer an active multi-stage action.
_activeMultiAction = null;
}
/// <summary>
/// Starts a multi stage action but does not record it in the undo stack.
/// </summary>
/// <typeparam name="T"></typeparam>
public void StartMultiStageAction <T>() where T : MultiStageAction, new()
{
// Only run 1 multi-action at a time.
if (_activeMultiAction != null)
{
return;
}
T action = new T();
action.manager = this;
if (action.Init())
{
_activeMultiAction = action;
_activeMultiAction.OnActionStart();
}
}
public void Reset()
{
_activeMultiAction = null;
clearUndoStack();
clearRedoStack();
}