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 void Update()
{
NeedToRender = false;
int dx = 0, dy = 0;
if (Input.Up.Clicked && _selectedY - 1 >= 0)
{
dy--;
}
else if (Input.Down.Clicked && _selectedY + 1 < _parent.LevelHeight)
{
dy++;
}
else if (Input.Left.Clicked && _selectedX - 1 >= 0)
{
dx--;
}
else if (Input.Right.Clicked && _selectedX + 1 < _parent.LevelWidth)
{
dx++;
}
if (Input.Shift.Clicked)
{
if (_selectedW + dx <= _parent.LevelWidth)
{
_selectedW += dx;
}
if (_selectedH + dy <= _parent.LevelHeight)
{
_selectedH += dy;
}
if (_selectedW == 0)
{
_selectedW = -1;
}
if (_selectedH == 0)
{
_selectedH = -1;
}
if (_selectedX + _selectedW - _parent._tileOffsetX > _parent.DisplayedElementsX)
{
_selectedW--;
}
if (_selectedY + _selectedH - _parent._tileOffsetY > _parent.DisplayedElementsY)
{
_selectedH--;
}
if (_selectedX + _selectedW < _parent._tileOffsetX)
{
_selectedW++;
}
if (_selectedY + _selectedH < _parent._tileOffsetY)
{
_selectedH++;
}
if (_selectedW == -1)
{
_selectedX++;
_selectedW = -2;
}
if (_selectedH == -1)
{
_selectedY++;
_selectedH = -2;
}
NeedToRender = true;
}
else if (dx != 0 || dy != 0)
{
_clear(_parent.Screen);
_selectedW = 1;
_selectedH = 1;
_selectedX += dx;
_selectedY += dy;
NeedToRender = true;
}
if (Input.Ctrl.Down && Input.C.Down && Width > 1 && Height > 1)
{
_clipboard.Clear();
_clipboard.Width = Width;
_clipboard.Height = Height;
_clipboard.Copy(X, Y);
}
else if (Input.Ctrl.Down && Input.V.Down)
{
if (!_clipboard.IsEmpty)
{
_parent._history.Add(X, Y, _clipboard.Width, _clipboard.Height);
_clipboard.Paste(X, Y);
NeedToRender = true;
}
}
else if (Input.Ctrl.Down && Input.X.Clicked)
{
_clipboard.Clear();
_clipboard.Width = Width;
_clipboard.Height = Height;
_clipboard.Copy(X, Y);
Delete();
NeedToRender = true;
}
if (X < _parent._tileOffsetX)
{
_parent._tileOffsetX--;
_parent._background.SetOffset(_parent._tileOffsetX * GTile.WIDTH, _parent._tileOffsetY * GTile.HEIGHT);
_parent.Render(_parent.Screen);
return;
}
else if (X > _parent._tileOffsetX + _parent.DisplayWidth / GTile.WIDTH)
{
_parent._tileOffsetX++;
_parent._background.SetOffset(_parent._tileOffsetX * GTile.WIDTH, _parent._tileOffsetY * GTile.HEIGHT);
_parent.Render(_parent.Screen);
return;
}
if (Y < _parent._tileOffsetY)
{
_parent._tileOffsetY--;
_parent._background.SetOffset(_parent._tileOffsetX * GTile.WIDTH, _parent._tileOffsetY * GTile.HEIGHT);
_parent.Render(_parent.Screen);
return;
}
else if (Y >= _parent._tileOffsetY + _parent.DisplayHeight / GTile.HEIGHT)
{
_parent._tileOffsetY++;
_parent._background.SetOffset(_parent._tileOffsetX * GTile.WIDTH, _parent._tileOffsetY * GTile.HEIGHT);
_parent.Render(_parent.Screen);
return;
}
if (Input.Delete.Clicked)
{
Delete();
NeedToRender = true;
}
if (_parent._isOutsideBorder(X, Y))
{
_rectColor = Color.Silver;
}
else if (_parent._isBorder(X, Y))
{
_rectColor = Color.Red;
}
else
{
_rectColor = Color.White;
}
}