public void RestoreCheckPoint(RoomMemento memento)
{
roomName = String.Copy(memento.roomName);
roomID = memento.roomID;
roomSize = memento.roomSize;
//Is an image included in the memento)?
if (memento.roomImage != null)
{
roomImage.RestoreCheckPoint(memento.roomImage);
}
walkBoxes.RestoreCheckpoint(memento.walkBoxes);
}
public RoomMemento Redo(RoomMemento current)
{
if (redoStack.Count != 0)
{
// Save current memento in undo
undoStack.Push(current);
RoomMemento m = redoStack.Pop();
return(m);
}
else
{
return(null);
}
}
public RoomMemento CreateCheckPoint(bool includeImage = true)
{
RoomMemento m;
if (includeImage)
{
m = new RoomMemento(roomName, roomID, roomSize, roomImage.CreateCheckPoint(), walkBoxes.CreateCheckPoint());
}
else
{
m = new RoomMemento(roomName, roomID, roomSize, null, walkBoxes.CreateCheckPoint());
}
return(m);
}
public void NewCheckPoint(RoomMemento rm)
{
undoStack.Push(rm);
}