public bool ValidateMove(ChessBitBoard bitBoard, ChessMove moveToCheck, ChessColor colorOfPlayerMoving)
{
// When playing against an AI opponent, the framework will only call this method
// if the AI didn't declare a stalemate or go over its time. This means we're
// guaranteed to have a move and only need to check for check and stalemate.
// We'll still check for stalemate in case it's a human player though.
if (moveToCheck.Flag == ChessFlag.Stalemate)
{
var allWhiteMoves = new Queue <Move>();
var allBlackMoves = new Queue <Move>();
bitBoard.getAllValidMoves(Team.White, allWhiteMoves);
bitBoard.getAllValidMoves(Team.Black, allBlackMoves);
return(allWhiteMoves.Count == 0 && allBlackMoves.Count == 0);
}
// convert from the frameworks coordinates to cartesian
var srcy = 7 - moveToCheck.From.Y;
var desty = 7 - moveToCheck.To.Y;
var team = colorOfPlayerMoving == ChessColor.White ? Team.White : Team.Black;
var enemyTeam = team == Team.White ? Team.Black : Team.White;
var actualTeam = bitBoard.getPieceTeam(moveToCheck.From.X, srcy);
if (team != actualTeam)
{
return(false);
}
if (!bitBoard.validateMove(moveToCheck.From.X, srcy, moveToCheck.To.X, desty))
{
return(false);
}
bitBoard.move(moveToCheck.From.X, srcy, moveToCheck.To.X, desty);
if (bitBoard.lastMove().causesCheck)
{
var allEnemyMoves = new Queue <Move>();
bitBoard.getAllValidMoves(enemyTeam, allEnemyMoves);
if (allEnemyMoves.Count == 0)
{
return(moveToCheck.Flag == ChessFlag.Checkmate);
}
else
{
return(moveToCheck.Flag == ChessFlag.Check);
}
}
return(moveToCheck.Flag == ChessFlag.NoFlag);
}
public static ChessBoard ToChessBoard(this ChessBitBoard bitBoard)
{
var chessBoard = new ChessBoard();
for (int x = 0; x < 8; ++x)
{
for (int y = 0; y < 8; ++y)
{
var pieceTeam = bitBoard.getPieceTeam(x, y);
var pieceType = bitBoard.getPieceType(x, y);
var y2 = 7 - y;
if (pieceTeam == Team.Black)
{
switch (pieceType)
{
case Piece.Bishop:
chessBoard[x, y2] = ChessPiece.BlackBishop;
break;
case Piece.King:
chessBoard[x, y2] = ChessPiece.BlackKing;
break;
case Piece.Knight:
chessBoard[x, y2] = ChessPiece.BlackKnight;
break;
case Piece.Pawn:
chessBoard[x, y2] = ChessPiece.BlackPawn;
break;
case Piece.Queen:
chessBoard[x, y2] = ChessPiece.BlackQueen;
break;
case Piece.Rook:
chessBoard[x, y2] = ChessPiece.BlackRook;
break;
default:
chessBoard[x, y2] = ChessPiece.Empty;
break;
}
}
else
{
switch (pieceType)
{
case Piece.Bishop:
chessBoard[x, y2] = ChessPiece.WhiteBishop;
break;
case Piece.King:
chessBoard[x, y2] = ChessPiece.WhiteKing;
break;
case Piece.Knight:
chessBoard[x, y2] = ChessPiece.WhiteKnight;
break;
case Piece.Pawn:
chessBoard[x, y2] = ChessPiece.WhitePawn;
break;
case Piece.Queen:
chessBoard[x, y2] = ChessPiece.WhiteQueen;
break;
case Piece.Rook:
chessBoard[x, y2] = ChessPiece.WhiteRook;
break;
default:
chessBoard[x, y2] = ChessPiece.Empty;
break;
}
}
}
}
return(chessBoard);
}