private void Click_MovePiece(object sender, MouseButtonEventArgs e)
{
Rectangle rect = (Rectangle)sender;
int row = (int)rect.GetValue(Grid.RowProperty);
int column = (int)rect.GetValue(Grid.ColumnProperty);
Coord pos = GridPointToCoordinate(new Point(column, row));
PieceControl p = _pieces.Where(x => x.Piece.Position == pos && _lastClicked.Piece.Color != x.Piece.Color).FirstOrDefault();
if (p != null) // TODO This doesn't remove the PieceControl from the Chessboard
{
Pieces.Children.Remove(p);
_pieces.Remove(p);
}
_lastClicked.Piece.Position = pos;
_lastClicked.SetValue(Grid.RowProperty, row);
_lastClicked.SetValue(Grid.ColumnProperty, column);
_lastClicked = null;
Overlay.Children.Clear();
}
private void Click_ShowPieceMoves(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
_lastClicked = ((PieceControl)sender);
Overlay.Children.Clear();
List <Coord> movePositions = _lastClicked.Piece.MovePositions();
List <Piece> blockingPieces = new List <Piece>();
foreach (Coord c in movePositions)
{
blockingPieces.AddRange(_pieces.Where(x => x.Piece.Position == c).Select(x => x.Piece));
}
foreach (Piece pc in blockingPieces)
{
// Remove vertical blocked spaces
if (pc.Position.Column == _lastClicked.Piece.Position.Column)
{
// remove all move positions above pc
if (pc.Position.Row > _lastClicked.Piece.Position.Row)
{
movePositions.RemoveAll(x => x.Row > pc.Position.Row && x.Column == pc.Position.Column);
}
// remove all move positions bellow pc
else if (pc.Position.Row < _lastClicked.Piece.Position.Row)
{
movePositions.RemoveAll(x => x.Row < pc.Position.Row && x.Column == pc.Position.Column);
}
}
// Remove horizontal blocked spaces
else if (pc.Position.Row == _lastClicked.Piece.Position.Row)
{
// Remove possitions right of pc
if (pc.Position.Column > _lastClicked.Piece.Position.Column)
{
movePositions.RemoveAll(x => x.Row == pc.Position.Row && x.Column > pc.Position.Column);
}
// Remove positions left of pc
else if (pc.Position.Column < _lastClicked.Piece.Position.Column)
{
movePositions.RemoveAll(x => x.Row == pc.Position.Row && x.Column < pc.Position.Column);
}
}
// Remove all diagonal blocked spaces
else if (Math.Abs(pc.Position.Row - _lastClicked.Piece.Position.Row) == Math.Abs(pc.Position.Column - _lastClicked.Piece.Position.Column))
{
if (pc.Position.Row > _lastClicked.Piece.Position.Row)
{
// Top Right
if (pc.Position.Column > _lastClicked.Piece.Position.Column)
{
movePositions.RemoveAll(x => x.Row > pc.Position.Row && x.Column > pc.Position.Column);
}
// Top Left
else if (pc.Position.Column < _lastClicked.Piece.Position.Column)
{
movePositions.RemoveAll(x => x.Row > pc.Position.Row && x.Column < pc.Position.Column);
}
}
else if (pc.Position.Row < _lastClicked.Piece.Position.Row)
{
// Bottom Right
if (pc.Position.Column > _lastClicked.Piece.Position.Column)
{
movePositions.RemoveAll(x => x.Row <pc.Position.Row && x.Column> pc.Position.Column);
}
// Bottom Left
else if (pc.Position.Column < _lastClicked.Piece.Position.Column)
{
movePositions.RemoveAll(x => x.Row < pc.Position.Row && x.Column < pc.Position.Column);
}
}
}
}
foreach (Coord c in movePositions)
{
Rectangle rect = new Rectangle()
{
Fill = Brushes.Green,
Opacity = 0.5
};
rect.MouseDown += Click_MovePiece;
PieceControl pc = _pieces.Where(x => x.Piece.Position == c).FirstOrDefault();
if (pc != null)
{
if (pc.Piece.Color != _lastClicked.Piece.Color)
{
rect.Fill = Brushes.Red;
}
else
{
continue;
}
}
if (_pieces.Any(x => x.Piece.Position == c && x.Piece.Color != _lastClicked.Piece.Color))
{
rect.Fill = Brushes.Red;
}
Point pos = CoordinateToGridPoint(c);
rect.SetValue(Grid.RowProperty, (int)pos.Y);
rect.SetValue(Grid.ColumnProperty, (int)pos.X);
Overlay.Children.Add(rect);
}
e.Handled = true;
}