static void MakeDict(int n, int[] moves) { destCells.Clear(); for (int q = 0; q < n; ++q) { destCells.Add(MovePackHelper.GetEndSquare(moves[q])); } }
public void Move(int move) { OnMove(move); board.BoardArray[HomeSquare] = null; board.BoardArray[MovePackHelper.GetEndSquare(move)] = this; board.ZKey ^= ZKey; HomeSquare = MovePackHelper.GetEndSquare(move); board.ZKey ^= ZKey; }
public void Move(int move) { halfMovesStack.Push(halfMoves); IPiece p = board[MovePackHelper.GetStartSquare(move)]; if (MovePackHelper.HasCapture(move)) { captured.Push(board[MovePackHelper.GetEndSquare(move)]); board[MovePackHelper.GetEndSquare(move)].Capture(); ZKey ^= ZKeyForCastling[(int)CastlingStatus]; CastlingStatus ^= MovePackHelper.GetCastleMask(move); ZKey ^= ZKeyForCastling[(int)CastlingStatus]; halfMoves = 0; } else { if (p.Type != PieceType.Pawn) { halfMoves++; } } p.Move(move); if (MovePackHelper.HasCastling(move)) { DoCastling(move); } PromotionTo to = MovePackHelper.GetPromotion(move); if (to != PromotionTo.None) { DoPromotion(p, move, to); } moveStack.Push(move); if (!epTouched) { PlaceEnpassant(Square.Invalid); } epTouched = false; if (ToMove == Side.Black) { movesCount++; } Flip(); Debug.Assert(ZKey == CalcZKey()); }
private void DoCastling(int move) { // queen side black castling if (MovePackHelper.GetEndSquare(move) == Square.c8) { ZKey ^= BoardArray[Square.a8].ZKey; BoardArray[Square.d8] = BoardArray[Square.a8]; BoardArray[Square.a8] = null; BoardArray[Square.d8].ForceSquare(Square.d8); ZKey ^= BoardArray[Square.d8].ZKey; } else // king side black castling if (MovePackHelper.GetEndSquare(move) == Square.g8) { ZKey ^= BoardArray[Square.h8].ZKey; BoardArray[Square.f8] = BoardArray[Square.h8]; BoardArray[Square.h8] = null; BoardArray[Square.f8].ForceSquare(Square.f8); ZKey ^= BoardArray[Square.f8].ZKey; } else // king side white castling if (MovePackHelper.GetEndSquare(move) == Square.g1) { ZKey ^= BoardArray[Square.h1].ZKey; BoardArray[Square.f1] = BoardArray[Square.h1]; BoardArray[Square.h1] = null; BoardArray[Square.f1].ForceSquare(Square.f1); ZKey ^= BoardArray[Square.f1].ZKey; } else // queen side white castling if (MovePackHelper.GetEndSquare(move) == Square.c1) { ZKey ^= BoardArray[Square.a1].ZKey; BoardArray[Square.d1] = BoardArray[Square.a1]; BoardArray[Square.a1] = null; BoardArray[Square.d1].ForceSquare(Square.d1); ZKey ^= BoardArray[Square.d1].ZKey; } }
private void UndoMove(int move) { IPiece p = board[MovePackHelper.GetEndSquare(move)]; p.UnMove(move); if (MovePackHelper.HasCapture(move)) { IPiece resumed = captured.Pop(); resumed.UnCapture(MovePackHelper.GetEndSquare(move)); board[resumed.HomeSquare] = resumed; ZKey ^= ZKeyForCastling[(int)CastlingStatus]; CastlingStatus ^= MovePackHelper.GetCastleMask(move); ZKey ^= ZKeyForCastling[(int)CastlingStatus]; } if (MovePackHelper.HasCastling(move)) { UndoCastling(move); } PromotionTo to = MovePackHelper.GetPromotion(move); if (to != PromotionTo.None) { UndoPromotion(p, move, to); } if (!epTouched) { UnplaceEnPassant(); } epTouched = false; if (ToMove == Side.White) { movesCount--; } halfMoves = halfMovesStack.Pop(); Flip(); Debug.Assert(ZKey == CalcZKey()); }
public static string ProduceShortAlgebraicString(IChessBoard board, int p) { board.TestInCheck(board.ToMove); int [] moves = new int[200]; board.GetMoves(0, moves); List <int> possibles = new List <int>(); int end = MovePackHelper.GetEndSquare(p); foreach (var m in moves) { if (GetEndSquare(m) == end && board.BoardArray[GetStartSquare(m)].Type == board.BoardArray[GetStartSquare(p)].Type) { possibles.Add(p); } } StringBuilder sb = new StringBuilder(); var spiece = board.BoardArray[GetStartSquare(p)]; if (spiece.Type != PieceType.Pawn) { sb.Append(spiece.ToString().ToUpper()); } if (possibles.Count > 1) { var squares = possibles.Select(k => GetSquareString(GetStartSquare(k))); if (squares.Select(k => k[0]).Distinct().Count() > 1) { sb.Append(GetSquareString(GetStartSquare(p))[0]); } else if (squares.Select(k => k[1]).Distinct().Count() > 1) { sb.Append(GetSquareString(GetStartSquare(p))[1]); } else { sb.Append(GetSquareString(GetStartSquare(p))); } } if (HasCapture(p)) { sb.Append("x"); } sb.Append(GetSquareString(GetEndSquare(p))); board.Move(p); board.TestInCheck(board.ToMove); int cnt = board.GetCheckCount(board.ToMove); if (cnt > 0) { int[] tmp = new int[200]; if (0 == board.GetMoves(0, tmp)) { sb.Append("#"); } else { sb.Append(new string('+', cnt)); } } board.UndoMove(); return(sb.ToString()); }