public void Add(ICommand state, bool callDo = true)
{
while (_list.Last != _currentState)
{
_list.RemoveLast();
}
ICommand clonedState = state.ShallowClone();
if (_currentState == null)
{
_list.AddFirst(clonedState);
}
else
{
_list.AddAfter(_currentState, clonedState);
}
if (callDo)
{
clonedState.Do();
}
if (_list.Count > UndoSteps + 1)
{
_list.RemoveFirst();
}
_currentState = _list.Last;
}
