public void Undo()
{
if (_current > 0)
{
_current--;
MapClipboard r = new MapClipboard(_parent);
r.Width = Actions[_current].Clipboard.Width;
r.Height = Actions[_current].Clipboard.Height;
r.Copy(Actions[_current].X, Actions[_current].Y);
RedoActions.Push(new HistoryElement(r, Actions[_current].X, Actions[_current].Y));
Actions[_current].Clipboard.Paste(Actions[_current].X, Actions[_current].Y);
}
}
public void Add(int x, int y, int w, int h)
{
MapClipboard t = new MapClipboard(_parent);
t.Width = w;
t.Height = h;
t.Copy(x, y);
if (_current == Actions.Count)
{
Actions.Add(new HistoryElement(t, x, y));
}
else
{
Actions.RemoveRange(_current, Actions.Count - _current);
Actions.Add(new HistoryElement(t, x, y));
}
_current = Actions.Count;
RedoActions.Clear();
}
public Selector(MapEditor parent)
{
_parent = parent;
Input = parent.Input;
_clipboard = new MapClipboard(_parent);
}
public HistoryElement(MapClipboard c, int x, int y)
{
X = x;
Y = y;
Clipboard = c;
}