public static PawnPromotionType?PromotePawn(Player player)
{
using (var dialog = new DlgPawnPromotion(player))
{
if (dialog.ShowDialog() == DialogResult.OK)
{
return(dialog.SelectedPawnPromotion);
}
}
return(null);
}
private void UxChessBoard_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
int boardx = -1, boardy = -1;
switch (e.Button)
{
case MouseButtons.Left:
BoardHitTest(e.X, e.Y, ref boardx, ref boardy);
var boardLocation = ToBoardLocation(boardx, boardy);
//games over pal
if (Game.GameIsOver)
{
return;
}
if (MovingPiece == ChessPiece.None)
{
//if the piece does not belong to the current player do nothing
if (!Game.Board[boardLocation].BelongsTo(Game.CurrentPlayer))
{
return;
}
//we have a valid piece for this side...
MovingPieceBoardLocation = boardLocation;
mousex = e.X;
mousey = e.Y;
MovingPiece = Game.Board[boardLocation];
MovingPiecePossibleMoves = Game.FindMoves().Where(a => a.Source == boardLocation).ToList();
Invalidate();
}
else
{ //we are finishing a move...
var destination = ToBoardLocation(boardx, boardy);
var availableMoves = MovingPiecePossibleMoves
.Where(a => a.Destination == destination)
.ToList();
if (availableMoves.Count == 1)
{
Game.MakeMove(MovingPieceBoardLocation, destination);
}
else if (availableMoves.Count > 1)
{
var promotion = DlgPawnPromotion.PromotePawn(Game.CurrentPlayer);
if (promotion.HasValue)
{
Game.MakeMove(MovingPieceBoardLocation, destination, promotion);
}
}
else
{
//invalid move, notify??
}
MovingPiecePossibleMoves = null;
Invalidate();
UxChessBoard_MouseDown_CancelMove(e);
}
break;
case MouseButtons.Right:
UxChessBoard_MouseDown_CancelMove(e);
Invalidate();
break;
}
}