public void IsCheckMate(Game.PieceColor color)
{
ulong allmoves = 0;
for (int i = 0; i < 64; i++)
{
char piece = _myboard[i / 8, i % 8];
if (piece.Equals('-'))
{
continue;
}
else if (char.IsUpper(piece) && color == Game.PieceColor.White)
{
allmoves |= GetMoves(i / 8, i % 8);
}
else if (char.IsLower(piece) && color == Game.PieceColor.Black)
{
allmoves |= GetMoves(i / 8, i % 8);
}
}
if (allmoves == 0)
{
game.GameOver = true;
}
}
public AI(ChessBoard chessboard, Board board, Game game, int depth, Game.PieceColor mycolor)
{
this.chessboard = chessboard;
this.board = board;
this.game = game;
this.depth = depth;
this.mycolor = mycolor;
GameOver = false;
}
private bool Win(Game.PieceColor color)
{
if (color == Game.PieceColor.White)
{
return(chessboard.BlackKing == 0);
}
else
{
return(chessboard.WhiteKing == 0);
}
}
public bool InCheck(Game.PieceColor color)
{
ulong attacks;
ulong king;
if (color == Game.PieceColor.White)
{
king = chessboard.WhiteKing;
attacks = Moves.GetAllBlackMoves(chessboard);
}
else
{
king = chessboard.BlackKing;
attacks = Moves.GetAllWhiteMoves(chessboard);
}
return((king & attacks) != 0);
}
private List <int[]> GetQueenMoves(List <int> indexes, Game.PieceColor color)
{
List <int[]> moves = new List <int[]>();
foreach (int ind in indexes)
{
int rank = ind / 8;
int file = ind % 8;
if (color == Game.PieceColor.White)
{
List <int[]> thesemoves = ConvertMove(board.ClipCheck(Moves.GetQueenMoves(rank, file, chessboard.AllPieces, chessboard.AllWhite), ind), ind);
moves.AddRange(thesemoves);
}
else
{
List <int[]> thesemoves = ConvertMove(board.ClipCheck(Moves.GetQueenMoves(rank, file, chessboard.AllPieces, chessboard.AllBlack), ind), ind);
moves.AddRange(thesemoves);
}
}
return(moves);
}
public bool IsCheck(ulong move, int selected, Game.PieceColor color)
{
List <int> index = Moves.ConvertBitboard(move);
MoveBitBoard(selected, index[0]);
ulong attacks;
ulong king;
if (color == Game.PieceColor.White)
{
king = chessboard.WhiteKing;
attacks = Moves.GetAllBlackMoves(chessboard);
}
else
{
king = chessboard.BlackKing;
attacks = Moves.GetAllWhiteMoves(chessboard);
}
UndoLastMoveBitBoard();
return((king & attacks) != 0);
}
private List <int[]> GetKingMoves(List <int> indexes, Game.PieceColor color)
{
List <int[]> moves = new List <int[]>();
foreach (int ind in indexes)
{
int rank = ind / 8;
int file = ind % 8;
if (color == Game.PieceColor.White)
{
ulong wkmoves = Moves.GetKingMoves(rank, file, chessboard.AllWhite) | Moves.GetWhiteCastleMoves(rank, file, chessboard.AllWhite, board, chessboard);
List <int[]> thesemoves = ConvertMove(board.ClipCheck(wkmoves, ind), ind);
moves.AddRange(thesemoves);
}
else
{
ulong bkmoves = Moves.GetKingMoves(rank, file, chessboard.AllBlack) | Moves.GetBlackCastleMoves(rank, file, chessboard.AllBlack, board, chessboard);
List <int[]> thesemoves = ConvertMove(board.ClipCheck(bkmoves, ind), ind);
moves.AddRange(thesemoves);
}
}
return(moves);
}
