public static LightList ConvertBuffer(BoardBuffer bf) { LightList ll = new LightList(); for (int i = 0; i < bf.capCount; ++i) { ll.Add(bf.captures[i]); } for (int i = 0; i < bf.thrCount; ++i) { ll.Add(bf.threats[i]); } for (int i = 0; i < bf.forCount; ++i) { ll.Add(bf.forward[i]); } for (int i = 0; i < bf.oCount; ++i) { ll.Add(bf.other[i]); } for (int i = 0; i < bf.nsCount; ++i) { ll.Add(bf.notSafe[i]); } return ll; }
public static void AddKingMoves(this byte[] board, bool white, int i, ref BoardBuffer moves, bool allowCheck) { byte[] temp; if (white) IsOpponent = IsLower; else IsOpponent = IsUpper; int idx = i + UPLEFT; if (idx < OUTOFBOUNDSHIGH) { if (idx % COLUMN != COL8 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) { if (!white) { moves.AddForward(temp); } else moves.Add(temp); } } if (board.IsValidMove(white, ++idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) { if (!white) { moves.AddForward(temp); } else moves.Add(temp); } } if (++idx % COLUMN != COL1 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) { if (!white) { moves.AddForward(temp); } else moves.Add(temp); } } } idx = i + RIGHT; if (idx % COLUMN != COL1 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) moves.Add(temp); } idx = i + LEFT; if (idx % COLUMN != COL8 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) moves.Add(temp); } idx = i + DOWNRIGHT; if (idx > -1) { if (i % COLUMN != COL8 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) { if (white) { moves.AddForward(temp); } else moves.Add(temp); } } if (board.IsValidMove(white, --idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) { if (white) { moves.AddForward(temp); } else moves.Add(temp); } } if (i % COLUMN != COL1 && board.IsValidMove(white, --idx)) { temp = board.Move(i, idx); if (allowCheck || !PieceNotSafe(temp, idx, white)) { if (white) { moves.AddForward(temp); } else moves.Add(temp); } } } }
public static void AddKnightMoves(this byte[] board, bool white, int i, ref BoardBuffer moves, bool allowCheck) { int originRow = i % COLUMN; int idx = i + UPUPRIGHT; byte[] temp; if (idx < OUTOFBOUNDSHIGH && originRow < COL8 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + UPUPLEFT; if (idx < OUTOFBOUNDSHIGH && originRow > COL1 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + UPRIGHTRIGHT; if (idx < OUTOFBOUNDSHIGH && originRow < COL7 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + UPLEFTLEFT; if (idx < OUTOFBOUNDSHIGH && originRow > COL2 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + DOWNDOWNLEFT; if (idx > OUTOFBOUNDSLOW && originRow > COL1 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + DOWNDOWNRIGHT; if (idx > OUTOFBOUNDSLOW && originRow < COL8 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + DOWNLEFTLEFT; if (idx > OUTOFBOUNDSLOW && originRow > COL2 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } } idx = i + DOWNRIGHTRIGHT; if (idx > OUTOFBOUNDSLOW && originRow < COL7 && board.IsValidMove(white, idx)) { temp = board.Move(i, idx); if (allowCheck || !InCheck(temp, white)) { if (white ? board[idx].IsLower() : board[idx].IsUpper()) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (KnightThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } } }
public static void AddDiagonalMaps(this byte[] board, bool white, int i, ref BoardBuffer moves, bool allowCheck) { byte[] temp; int idx = i + UPLEFT; while (idx < OUTOFBOUNDSHIGH && idx % COLUMN != COL8) { if (IsValidMove(board, white, idx)) { temp = board.Move(i, idx); bool cap = board.TakesOpponentPiece(white, idx); if (allowCheck || !InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (DiagThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } if (cap) break; } else break; idx += UPLEFT; } idx = i + UPRIGHT; while (idx < OUTOFBOUNDSHIGH && idx % COLUMN != COL1) { if (IsValidMove(board, white, idx)) { temp = board.Move(i, idx); bool cap = board.TakesOpponentPiece(white, idx); if (allowCheck || !InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (DiagThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } if (cap) break; } else break; idx += UPRIGHT; } idx = i + DOWNLEFT; while (idx > OUTOFBOUNDSLOW && idx % COLUMN != COL8) { if (board.IsValidMove(white, idx)) { temp = board.Move(i, idx); bool cap = board.TakesOpponentPiece(white, idx); if (allowCheck || !InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (DiagThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } if (cap) break; } else break; idx += DOWNLEFT; } idx = i + DOWNRIGHT; while (idx > OUTOFBOUNDSLOW && idx % COLUMN != 0) { if (board.IsValidMove(white, idx)) { temp = board.Move(i, idx); bool cap = board.TakesOpponentPiece(white, idx); if (allowCheck || !InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (DiagThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } if (cap) break; } else break; idx += DOWNRIGHT; } }
public static void AddAdjacentMaps(this byte[] board, bool white, int i, ref BoardBuffer moves, bool allowCheck) { int idx = i + UP; byte[] temp; while (idx < OUTOFBOUNDSHIGH) { if (board.IsValidMove(white, idx)) { temp = board.Move(i, idx); bool cap = board.TakesOpponentPiece(white, idx); if (!InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (AdjacentThreat(temp, idx)) moves.AddThreat(temp); else if (!white) moves.AddForward(temp); else moves.Add(temp); } if (cap) break; } else break; idx += UP; } idx = i + DOWN; while (idx > OUTOFBOUNDSLOW) { if (IsValidMove(board, white, idx)) { temp = board.Move(i, idx); bool cap = board.TakesOpponentPiece(white, idx); if (!InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, idx, white)) moves.AddUnSafe(temp); else if (AdjacentThreat(temp, idx)) moves.AddThreat(temp); else if (white) moves.AddForward(temp); else moves.Add(temp); } if (cap) break; } else break; idx += DOWN; } idx = i % COLUMN; int bse = i - idx; while (--idx > -1) { int ix = bse + idx; if (IsValidMove(board, white, ix)) { temp = board.Move(i, ix); bool cap = board.TakesOpponentPiece(white, ix); if (!InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, ix, white)) moves.AddUnSafe(temp); else if (AdjacentThreat(temp, ix)) moves.AddThreat(temp); else moves.Add(temp); } if (cap) break; } else break; } idx = i % COLUMN; bse = i - idx; while (++idx < 8) { int ix = bse + idx; if (IsValidMove(board, white, ix)) { temp = board.Move(i, ix); bool cap = board.TakesOpponentPiece(white, ix); if (!InCheck(temp, white)) { if (cap) moves.AddCapture(temp); else if (PieceNotSafe(temp, ix, white)) moves.AddUnSafe(temp); else if (AdjacentThreat(temp, ix)) moves.AddThreat(temp); else moves.Add(temp); } if (cap) break; } else break; } }
public static LightList GetAvailableMoves(byte[] board, ChessColor color, bool allowCheck) { bool white = color == ChessColor.White; LightList moves = new LightList(); BoardBuffer buff = new BoardBuffer(); //iterate thru entire board {64} including row delimiters {7} for (int i = 0; i < OUTOFBOUNDSHIGH; ++i) { if (!white) { switch (board[i]) { case 0x02: board.AddPawnMoves(white, i, ref buff, allowCheck); break; case 0x04: board.AddAdjacentMaps(white, i, ref buff, allowCheck); break; case 0x06: board.AddDiagonalMaps(white, i, ref buff, allowCheck); break; case 0x08: board.AddKnightMoves(white, i, ref buff, allowCheck); break; case 0x0A: board.AddAdjacentMaps(white, i, ref buff, allowCheck); board.AddDiagonalMaps(white, i, ref buff, allowCheck); break; case 0x0C: board.AddKingMoves(white, i, ref buff, allowCheck); break; default: break; } } else { switch (board[i]) { case 0x01: board.AddPawnMoves(white, i, ref buff, allowCheck); break; case 0x03: board.AddAdjacentMaps(white, i, ref buff, allowCheck); break; case 0x05: board.AddDiagonalMaps(white, i, ref buff, allowCheck); break; case 0x07: board.AddKnightMoves(white, i, ref buff, allowCheck); break; case 0x09: board.AddAdjacentMaps(white, i, ref buff, allowCheck); board.AddDiagonalMaps(white, i, ref buff, allowCheck); break; case 0x0B: board.AddKingMoves(white, i, ref buff, allowCheck); break; default: break; } } } return LightList.ConvertBuffer(buff); }
public static void AddPawnMoves(this byte[] board, bool white, int i, ref BoardBuffer moves, bool allowCheck) { byte[] temp; if (!white) { if (i / COLUMN == 1) { if (board[i + UPUP] == _ && board[i + UP] == _) { temp = board.MovePawn(i, i + UPUP, white); if (allowCheck || allowCheck || !InCheck(temp, white)) { if (PawnThreat(temp, i + UPUP)) moves.AddCapture(temp); else moves.AddForward(temp); } } } if (board[i + UP] == _) { temp = board.MovePawn(i, i + UP, white); if (allowCheck || !InCheck(temp, white)) { if (PawnThreat(temp, i + UP)) moves.AddCapture(temp); else moves.AddForward(temp); } } if (board[i + UPLEFT].IsUpper() && (i+UPLEFT) % COLUMN != COL8) { temp = board.MovePawn(i, i + UPLEFT, white); if (allowCheck || !InCheck(temp, white)) moves.AddCapture(temp); } if (i < 54 && board[i + UPRIGHT].IsUpper() && (i+UPRIGHT) % COLUMN != COL1) { temp = board.MovePawn(i, i + UPRIGHT, white); if (allowCheck || !InCheck(temp, white)) moves.AddCapture(temp); } } else { if (i / COLUMN == COL7) { if (board[i + DOWNDOWN] == _ && board[i + DOWN] == _) { temp = board.MovePawn(i, i + DOWNDOWN, white); if (allowCheck || !InCheck(temp, white)) { if (PawnThreat(temp, i + DOWNDOWN)) moves.AddCapture(temp); else moves.AddForward(temp); } } } if (board[i + DOWN] == _) { temp = board.MovePawn(i, i + DOWN, white); if (allowCheck || !InCheck(temp, white)) { if (PawnThreat(temp, i + DOWN)) moves.AddCapture(temp); else moves.AddForward(temp); } } if (board[i + DOWNRIGHT].IsLower() && (i+DOWNRIGHT) % COLUMN != COL1) { temp = board.MovePawn(i, i + DOWNRIGHT, white); if (allowCheck || !InCheck(temp, white)) moves.AddCapture(temp); } if (i > 8 && board[i + DOWNLEFT].IsLower() && (i+DOWNLEFT) % COLUMN != COL8) { temp = board.MovePawn(i, i + DOWNLEFT, white); if (!InCheck(temp, white)) moves.AddCapture(temp); } } }