public virtual bool WouldBeInCheckAfter(Move move, Player player)
{
ChessUtilities.ThrowIfNull(move, "move");
GameCreationData gcd = new GameCreationData();
gcd.Board = Board;
gcd.CanWhiteCastleKingSide = CanWhiteCastleKingSide;
gcd.CanWhiteCastleQueenSide = CanWhiteCastleQueenSide;
gcd.CanBlackCastleKingSide = CanBlackCastleKingSide;
gcd.CanBlackCastleQueenSide = CanBlackCastleQueenSide;
gcd.EnPassant = null;
if (_moves.Count > 0)
{
DetailedMove last = _moves.Last();
if (last.Piece is Pawn && new PositionDistance(last.OriginalPosition, last.NewPosition).DistanceY == 2)
{
gcd.EnPassant = new Position(last.NewPosition.File, last.Player == Player.White ? 3 : 6);
}
}
gcd.HalfMoveClock = i_halfMoveClock;
gcd.FullMoveNumber = i_fullMoveNumber;
ChessGame copy = new ChessGame(gcd);
Piece p = copy.GetPieceAt(move.OriginalPosition);
copy.SetPieceAt(move.OriginalPosition.File, move.OriginalPosition.Rank, null);
copy.SetPieceAt(move.NewPosition.File, move.NewPosition.Rank, p);
return(copy.IsInCheck(player));
}
void UseGameCreationData(GameCreationData data)
{
Board = CloneBoard(data.Board);
WhoseTurn = data.WhoseTurn;
Piece e1 = GetPieceAt(File.E, 1);
Piece e8 = GetPieceAt(File.E, 8);
Piece a1 = GetPieceAt(File.A, 1);
Piece h1 = GetPieceAt(File.H, 1);
Piece a8 = GetPieceAt(File.A, 8);
Piece h8 = GetPieceAt(File.H, 8);
_whiteKingMoved |= (!(e1 is King) || e1.Owner != Player.White);
_blackKingMoved |= (!(e8 is King) || e8.Owner != Player.Black);
_whiteRookAMoved |= (!(a1 is Rook) || a1.Owner != Player.White || !data.CanWhiteCastleQueenSide);
_whiteRookHMoved |= (!(h1 is Rook) || h1.Owner != Player.White || !data.CanWhiteCastleKingSide);
_blackRookAMoved |= (!(a8 is Rook) || a8.Owner != Player.Black || !data.CanBlackCastleQueenSide);
_blackRookHMoved |= (!(h8 is Rook) || h8.Owner != Player.Black || !data.CanBlackCastleKingSide);
if (data.EnPassant != null)
{
var latestMove =
new DetailedMove(
new Move(new Square(data.EnPassant.File, data.WhoseTurn == Player.White ? 7 : 2),
new Square(data.EnPassant.File, data.WhoseTurn == Player.White ? 5 : 4),
ChessUtilities.GetOpponentOf(data.WhoseTurn)),
new Pawn(ChessUtilities.GetOpponentOf(data.WhoseTurn)),
false,
CastlingType.None);
_moves.Add(latestMove);
}
_halfMoveClock = data.HalfMoveClock;
_fullMoveNumber = data.FullMoveNumber;
}
public virtual bool WouldBeInCheckAfter(Move move, ChessPlayer player)
{
ChessUtility.ThrowIfNull(move, "move");
GameCreationData gcd = new GameCreationData
{
Board = Board,
CanWhiteCastleKingSide = CanWhiteCastleKingSide,
CanWhiteCastleQueenSide = CanWhiteCastleQueenSide,
CanBlackCastleKingSide = CanBlackCastleKingSide,
CanBlackCastleQueenSide = CanBlackCastleQueenSide,
EnPassant = null
};
if (_moves.Count > 0)
{
DetailedMove last = _moves.Last();
if (last.Piece is Pawn && new BoardDistance(last.OriginalPosition, last.NewPosition).Y == 2)
{
gcd.EnPassant = new BoardPosition(last.NewPosition.File, last.Player == ChessPlayer.White ? 3 : 6);
}
}
gcd.HalfMoveClock = _halfMoveClock;
gcd.FullMoveNumber = _fullMoveNumber;
ChessGame copy = new ChessGame(gcd);
copy.ApplyMove(move, true);
return(copy.IsInCheck(player));
}
protected virtual void UseGameCreationData(GameCreationData data)
{
Board = CloneBoard(data.Board);
WhoseTurn = data.WhoseTurn;
ChessPiece e1 = GetPieceAt(ChessFile.E, 1);
ChessPiece e8 = GetPieceAt(ChessFile.E, 8);
ChessPiece a1 = GetPieceAt(ChessFile.A, 1);
ChessPiece h1 = GetPieceAt(ChessFile.H, 1);
ChessPiece a8 = GetPieceAt(ChessFile.A, 8);
ChessPiece h8 = GetPieceAt(ChessFile.H, 8);
CanBlackCastleKingSide = CanBlackCastleQueenSide = CanWhiteCastleKingSide = CanWhiteCastleQueenSide = CastlingCanBeLegal;
if (CastlingCanBeLegal)
{
if (!(e1 is King) || e1.Owner != ChessPlayer.White)
{
CanWhiteCastleKingSide = CanWhiteCastleQueenSide = false;
}
if (!(e8 is King) || e8.Owner != ChessPlayer.Black)
{
CanBlackCastleKingSide = CanBlackCastleQueenSide = false;
}
if (!(a1 is Rook) || a1.Owner != ChessPlayer.White || !data.CanWhiteCastleQueenSide)
{
CanWhiteCastleQueenSide = false;
}
if (!(h1 is Rook) || h1.Owner != ChessPlayer.White || !data.CanWhiteCastleKingSide)
{
CanWhiteCastleKingSide = false;
}
if (!(a8 is Rook) || a8.Owner != ChessPlayer.Black || !data.CanBlackCastleQueenSide)
{
CanBlackCastleQueenSide = false;
}
if (!(h8 is Rook) || h8.Owner != ChessPlayer.Black || !data.CanBlackCastleKingSide)
{
CanBlackCastleKingSide = false;
}
}
if (data.EnPassant != null)
{
DetailedMove latestMove = new DetailedMove(new Move(new BoardPosition(data.EnPassant.File, data.WhoseTurn == ChessPlayer.White ? 7 : 2),
new BoardPosition(data.EnPassant.File, data.WhoseTurn == ChessPlayer.White ? 5 : 4),
ChessUtility.GetOpponentOf(data.WhoseTurn)),
new Pawn(ChessUtility.GetOpponentOf(data.WhoseTurn)),
false,
CastlingType.None);
_moves.Add(latestMove);
}
_halfMoveClock = data.HalfMoveClock;
_fullMoveNumber = data.FullMoveNumber;
}
protected virtual void UseGameCreationData(GameCreationData data)
{
Board = CloneBoard(data.Board);
WhoseTurn = data.WhoseTurn;
Piece[] eighthRank = Board[0];
Piece[] firstRank = Board[7];
CanBlackCastleKingSide = CanBlackCastleQueenSide = CanWhiteCastleKingSide = CanWhiteCastleQueenSide = CastlingCanBeLegal;
InitialWhiteKingFile = (File)Array.IndexOf(firstRank, new King(Player.White));
InitialBlackKingFile = (File)Array.IndexOf(eighthRank, new King(Player.Black));
if (CastlingCanBeLegal)
{
CanBlackCastleKingSide = data.CanBlackCastleKingSide;
CanBlackCastleQueenSide = data.CanBlackCastleQueenSide;
CanWhiteCastleKingSide = data.CanWhiteCastleKingSide;
CanWhiteCastleQueenSide = data.CanWhiteCastleQueenSide;
}
InitialBlackRookFileQueensideCastling = CanBlackCastleQueenSide ? (File)Array.IndexOf(eighthRank, new Rook(Player.Black)) : File.None;
InitialBlackRookFileKingsideCastling = CanBlackCastleKingSide ? (File)Array.LastIndexOf(eighthRank, new Rook(Player.Black)) : File.None;
InitialWhiteRookFileQueensideCastling = CanWhiteCastleQueenSide ? (File)Array.IndexOf(firstRank, new Rook(Player.White)) : File.None;
InitialWhiteRookFileKingsideCastling = CanWhiteCastleKingSide ? (File)Array.LastIndexOf(firstRank, new Rook(Player.White)) : File.None;
if (InitialBlackRookFileQueensideCastling == File.None)
{
CanBlackCastleQueenSide = false;
}
if (InitialBlackRookFileKingsideCastling == File.None)
{
CanBlackCastleKingSide = false;
}
if (InitialWhiteRookFileKingsideCastling == File.None)
{
CanWhiteCastleKingSide = false;
}
if (InitialWhiteRookFileQueensideCastling == File.None)
{
CanWhiteCastleQueenSide = false;
}
if (data.EnPassant != null)
{
DetailedMove latestMove = new DetailedMove(new Move(new Position(data.EnPassant.File, data.WhoseTurn == Player.White ? 7 : 2),
new Position(data.EnPassant.File, data.WhoseTurn == Player.White ? 5 : 4),
ChessUtilities.GetOpponentOf(data.WhoseTurn)),
new Pawn(ChessUtilities.GetOpponentOf(data.WhoseTurn)),
false,
CastlingType.None);
_moves.Add(latestMove);
}
i_halfMoveClock = data.HalfMoveClock;
i_fullMoveNumber = data.FullMoveNumber;
}
protected virtual void AddDetailedMove(DetailedMove dm)
{
_moves.Add(dm);
}
protected virtual void UseGameCreationData(GameCreationData data)
{
Board = CloneBoard(data.Board);
WhoseTurn = data.WhoseTurn;
Piece e1 = GetPieceAt(File.E, 1);
Piece e8 = GetPieceAt(File.E, 8);
Piece a1 = GetPieceAt(File.A, 1);
Piece h1 = GetPieceAt(File.H, 1);
Piece a8 = GetPieceAt(File.A, 8);
Piece h8 = GetPieceAt(File.H, 8);
CanBlackCastleKingSide = CanBlackCastleQueenSide = CanWhiteCastleKingSide = CanWhiteCastleQueenSide = CastlingCanBeLegal;
if (CastlingCanBeLegal)
{
if (!(e1 is King) || e1.Owner != Player.White)
CanWhiteCastleKingSide = CanWhiteCastleQueenSide = false;
if (!(e8 is King) || e8.Owner != Player.Black)
CanBlackCastleKingSide = CanBlackCastleQueenSide = false;
if (!(a1 is Rook) || a1.Owner != Player.White || !data.CanWhiteCastleQueenSide)
CanWhiteCastleQueenSide = false;
if (!(h1 is Rook) || h1.Owner != Player.White || !data.CanWhiteCastleKingSide)
CanWhiteCastleKingSide = false;
if (!(a8 is Rook) || a8.Owner != Player.Black || !data.CanBlackCastleQueenSide)
CanBlackCastleQueenSide = false;
if (!(h8 is Rook) || h8.Owner != Player.Black || !data.CanBlackCastleKingSide)
CanBlackCastleKingSide = false;
}
if (data.EnPassant != null)
{
DetailedMove latestMove = new DetailedMove(new Move(new Position(data.EnPassant.File, data.WhoseTurn == Player.White ? 7 : 2),
new Position(data.EnPassant.File, data.WhoseTurn == Player.White ? 5 : 4),
ChessUtilities.GetOpponentOf(data.WhoseTurn)),
new Pawn(ChessUtilities.GetOpponentOf(data.WhoseTurn)),
false,
CastlingType.None);
_moves.Add(latestMove);
}
_halfMoveClock = data.HalfMoveClock;
_fullMoveNumber = data.FullMoveNumber;
}