}\r
\r
char pieceToChar[] = {\r
- 'P', 'N', 'B', 'R', 'Q', \r
-#ifdef FAIRY\r
- 'F', 'W', 'E', 'H', 'A', 'C', 'G', 'O', 'M', 'U', \r
-#endif\r
- 'K', 'p', 'n', 'b', 'r', 'q', \r
-#ifdef FAIRY \r
- 'f', 'w', 'e', 'h', 'a', 'c', 'g', 'o', 'm', 'u',\r
-#endif\r
- 'k', 'x'\r
- };\r
+ 'P', 'N', 'B', 'R', 'Q', 'F', 'E', 'A', 'C', 'W', 'M', \r
+ 'O', 'H', 'I', 'J', 'G', 'D', 'V', 'S', 'L', 'U', 'K',\r
+ 'p', 'n', 'b', 'r', 'q', 'f', 'e', 'a', 'c', 'w', 'm', \r
+ 'o', 'h', 'i', 'j', 'g', 'd', 'v', 's', 'l', 'u', 'k', \r
+ 'x' };\r
\r
char PieceToChar(p)\r
ChessSquare p;\r
{\r
+ if((int)p < 0 || (int)p >= (int)EmptySquare) return('x'); /* [HGM] for safety */\r
return pieceToChar[(int) p];\r
}\r
\r
+int PieceToNumber(p) /* [HGM] holdings: count piece type, ignoring non-participating piece types */\r
+ ChessSquare p;\r
+{\r
+ int i=0;\r
+ ChessSquare start = (int)p >= (int)BlackPawn ? BlackPawn : WhitePawn;\r
+\r
+ while(start++ != p) if(pieceToChar[(int)start-1] != '.') i++;\r
+ return i;\r
+}\r
+\r
ChessSquare CharToPiece(c)\r
int c;\r
{\r
for(i=0; i< (int) EmptySquare; i++)\r
if(pieceToChar[i] == c) return (ChessSquare) i;\r
return EmptySquare;\r
-/* [HGM] code marked for deletion\r
- switch (c) {\r
- default:\r
- case 'x': return EmptySquare;\r
- case 'P': return WhitePawn;\r
- case 'R': return WhiteRook;\r
- case 'N': return WhiteKnight;\r
- case 'B': return WhiteBishop;\r
- case 'Q': return WhiteQueen;\r
- case 'K': return WhiteKing;\r
- case 'p': return BlackPawn;\r
- case 'r': return BlackRook;\r
- case 'n': return BlackKnight;\r
- case 'b': return BlackBishop;\r
- case 'q': return BlackQueen;\r
- case 'k': return BlackKing;\r
-#ifdef FAIRY\r
- case 'A': return WhiteCardinal;\r
- case 'C': return WhiteMarshall;\r
- case 'F': return WhiteFerz;\r
- case 'H': return WhiteNightrider;\r
- case 'E': return WhiteAlfil;\r
- case 'W': return WhiteWazir;\r
- case 'U': return WhiteUnicorn;\r
- case 'O': return WhiteCannon;\r
- case 'G': return WhiteGrasshopper;\r
- case 'M': return WhiteMan;\r
- \r
- case 'a': return BlackCardinal;\r
- case 'c': return BlackMarshall;\r
- case 'f': return BlackFerz;\r
- case 'h': return BlackNightrider;\r
- case 'e': return BlackAlfil;\r
- case 'w': return BlackWazir;\r
- case 'u': return BlackUnicorn;\r
- case 'o': return BlackCannon;\r
- case 'g': return BlackGrasshopper;\r
- case 'm': return BlackMan;\r
- \r
-#endif\r
- }\r
-*/\r
}\r
\r
void CopyBoard(to, from)\r
if (!BlackPiece(board[rf][ff])) continue;\r
}\r
m = 0; piece = board[rf][ff];\r
- if(gameInfo.variant == VariantCrazyhouse &&\r
- ( (int) piece > (int) WhiteQueen && (int) piece < (int) WhiteKing\r
- || (int) piece > (int) BlackQueen && (int) piece < (int) BlackKing ))\r
+ if(PieceToChar(piece) == '~') \r
piece = (ChessSquare) ( DEMOTED piece );\r
if(gameInfo.variant == VariantShogi)\r
piece = (ChessSquare) ( SHOGI piece );\r
/* can't happen ([HGM] except for faries...) */\r
break;\r
\r
- case WhitePawn:\r
-#ifdef FAIRY\r
+ case WhitePawn:\r
if(gameInfo.variant == VariantXiangqi) {\r
/* [HGM] capture and move straight ahead in Xiangqi */\r
if (rf < BOARD_HEIGHT-1 &&\r
}\r
break;\r
}\r
-#endif\r
if (rf < BOARD_HEIGHT-1 && board[rf + 1][ff] == EmptySquare) {\r
callback(board, flags,\r
rf == BOARD_HEIGHT-2 ? WhitePromotionQueen : NormalMove,\r
break;\r
\r
case BlackPawn:\r
-#ifdef FAIRY\r
if(gameInfo.variant == VariantXiangqi) {\r
/* [HGM] capture straight ahead in Xiangqi */\r
if (rf > 0 && !SameColor(board[rf][ff], board[rf - 1][ff]) ) {\r
}\r
break;\r
}\r
-#endif\r
if (rf > 0 && board[rf - 1][ff] == EmptySquare) {\r
callback(board, flags, \r
rf == 1 ? BlackPromotionQueen : NormalMove,\r
} \r
break;\r
\r
-#ifdef FAIRY\r
case WhiteUnicorn:\r
case BlackUnicorn:\r
-#endif\r
case WhiteKnight:\r
case BlackKnight:\r
mounted:\r
}\r
break;\r
\r
-#ifdef FAIRY\r
case SHOGI WhiteKnight:\r
for (s = -1; s <= 1; s += 2) {\r
if (rf < BOARD_HEIGHT-2 && ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&\r
!SameColor(board[rf][ff], board[rf + 2][ff + s])) {\r
- callback(board, flags, \r
- rf == BOARD_HEIGHT-2 ? WhitePromotionQueen : NormalMove,\r
+ callback(board, flags, NormalMove,\r
rf, ff, rf + 2, ff + s, closure);\r
}\r
}\r
for (s = -1; s <= 1; s += 2) {\r
if (rf > 1 && ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&\r
!SameColor(board[rf][ff], board[rf - 2][ff + s])) {\r
- callback(board, flags, \r
- rf == 1 ? BlackPromotionQueen : NormalMove,\r
+ callback(board, flags, NormalMove,\r
rf, ff, rf - 2, ff + s, closure);\r
}\r
} \r
for (s = -1; s <= 1; s += 2) {\r
if (rf < BOARD_HEIGHT-1 && ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&\r
!SameColor(board[rf][ff], board[rf + 1][ff + s])) {\r
- callback(board, flags, \r
- rf == BOARD_HEIGHT-2 ? WhitePromotionQueen : NormalMove,\r
+ callback(board, flags, NormalMove,\r
rf, ff, rf + 1, ff + s, closure);\r
}\r
}\r
for (s = -1; s <= 1; s += 2) {\r
if (rf > 0 && ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&\r
!SameColor(board[rf][ff], board[rf - 1][ff + s])) {\r
- callback(board, flags, \r
- rf == 1 ? BlackPromotionQueen : NormalMove,\r
+ callback(board, flags, NormalMove,\r
rf, ff, rf - 1, ff + s, closure);\r
}\r
} \r
m++;\r
\r
/* Capablanca Archbishop continues as Knight */\r
- case WhiteCardinal:\r
- case BlackCardinal:\r
+ case WhiteAngel:\r
+ case BlackAngel:\r
m++;\r
\r
/* Shogi Bishops are ordinary Bishops */\r
case SHOGI WhiteBishop:\r
case SHOGI BlackBishop:\r
-#endif\r
case WhiteBishop:\r
case BlackBishop:\r
for (rs = -1; rs <= 1; rs += 2) \r
/* Bishop falls through */\r
break;\r
\r
-#ifdef FAIRY\r
/* Shogi Lance is unlike anything, and asymmetric at that */\r
case SHOGI WhiteQueen:\r
for(i = 1;; i++) {\r
break;\r
\r
/* Shogi Dragon King has to continue as Ferz after Rook moves */\r
- case SHOGI WhiteMarshall:\r
- case SHOGI BlackMarshall:\r
+ case SHOGI WhiteDragon:\r
+ case SHOGI BlackDragon:\r
m++;\r
\r
/* Capablanca Chancellor sets flag to continue as Knight */\r
/* Shogi Rooks are ordinary Rooks */\r
case SHOGI WhiteRook:\r
case SHOGI BlackRook:\r
-#endif\r
case WhiteRook:\r
case BlackRook:\r
for (d = 0; d <= 1; d++)\r
}\r
break;\r
\r
-#ifdef FAIRY\r
/* Shogi Pawn and Silver General: first the Pawn move, */\r
/* then the General continues like a Ferz */\r
case SHOGI WhitePawn:\r
for (fs = -1; fs <= 1; fs += 2) {\r
rt = rf + rs;\r
ft = ff + fs;\r
- if (rt < 0 || rt >= BOARD_HEIGHT || ft < BOARD_LEFT || ft >= BOARD_RGHT) break;\r
+ if (rt < 0 || rt >= BOARD_HEIGHT || ft < BOARD_LEFT || ft >= BOARD_RGHT) continue;\r
if (!SameColor(board[rf][ff], board[rt][ft]) &&\r
(gameInfo.variant != VariantXiangqi || InPalace(rt, ft) ) )\r
callback(board, flags, NormalMove,\r
case BlackMan:\r
case SHOGI WhiteKing:\r
case SHOGI BlackKing:\r
-#endif\r
case WhiteKing:\r
case BlackKing:\r
walking:\r
rf, ff, rt, ft, closure);\r
}\r
break;\r
+\r
+ case WhiteNightrider:\r
+ case BlackNightrider:\r
+ for (i = -1; i <= 1; i += 2)\r
+ for (j = -1; j <= 1; j += 2)\r
+ for (s = 1; s <= 2; s++) { int k;\r
+ for(k=1;; k++) {\r
+ rt = rf + k*i*s;\r
+ ft = ff + k*j*(3-s);\r
+ if (rt < 0 || rt >= BOARD_HEIGHT || ft < BOARD_LEFT || ft >= BOARD_RGHT) break;\r
+ if (SameColor(board[rf][ff], board[rt][ft])) break;\r
+ callback(board, flags, NormalMove,\r
+ rf, ff, rt, ft, closure);\r
+ if (board[rt][ft] != EmptySquare) break;\r
+ }\r
+ }\r
+ break;\r
+\r
}\r
}\r
}\r
VOIDSTAR closure;\r
{\r
GenLegalClosure cl;\r
- int ff, ft;\r
+ int ff, ft, k, left, right;\r
int ignoreCheck = (flags & F_IGNORE_CHECK) != 0;\r
+ ChessSquare wKing = WhiteKing, bKing = BlackKing;\r
\r
cl.cb = callback;\r
cl.cl = closure;\r
CheckTest(board, flags, -1, -1, -1, -1, FALSE)) return TRUE;\r
\r
/* Generate castling moves */\r
+ if(gameInfo.variant == VariantKnightmate) { /* [HGM] Knightmate */\r
+ wKing = WhiteUnicorn; bKing = BlackUnicorn;\r
+ }\r
+\r
for (ff = BOARD_WIDTH>>1; ff >= (BOARD_WIDTH-1)>>1; ff-- /*ics wild 1*/) {\r
if ((flags & F_WHITE_ON_MOVE) &&\r
(flags & F_WHITE_KCASTLE_OK) &&\r
- board[0][ff] == WhiteKing &&\r
+ board[0][ff] == wKing &&\r
board[0][ff + 1] == EmptySquare &&\r
board[0][ff + 2] == EmptySquare &&\r
board[0][BOARD_RGHT-3] == EmptySquare &&\r
(ignoreCheck || \r
(!CheckTest(board, flags, 0, ff, 0, ff + 1, FALSE) &&\r
!CheckTest(board, flags, 0, ff, 0, BOARD_RGHT-3, FALSE) &&\r
+ (gameInfo.variant != VariantJanus || !CheckTest(board, flags, 0, ff, 0, BOARD_RGHT-2, FALSE)) &&\r
!CheckTest(board, flags, 0, ff, 0, ff + 2, FALSE)))) {\r
\r
callback(board, flags,\r
- ff==4 ? WhiteKingSideCastle : WhiteKingSideCastleWild,\r
- 0, ff, 0, ff + ((gameInfo.boardWidth+2)>>2), closure);\r
+ ff==BOARD_WIDTH>>1 ? WhiteKingSideCastle : WhiteKingSideCastleWild,\r
+ 0, ff, 0, ff + ((gameInfo.boardWidth+2)>>2) + (gameInfo.variant == VariantJanus), closure);\r
}\r
if ((flags & F_WHITE_ON_MOVE) &&\r
(flags & F_WHITE_QCASTLE_OK) &&\r
- board[0][ff] == WhiteKing &&\r
+ board[0][ff] == wKing &&\r
board[0][ff - 1] == EmptySquare &&\r
board[0][ff - 2] == EmptySquare &&\r
board[0][BOARD_LEFT+2] == EmptySquare &&\r
( castlingRights[2] == ff || castlingRights[6] == ff ) &&\r
(ignoreCheck ||\r
(!CheckTest(board, flags, 0, ff, 0, ff - 1, FALSE) &&\r
- !CheckTest(board, flags, 0, ff, 0, BOARD_LEFT+3, FALSE) &&\r
+ !CheckTest(board, flags, 0, ff, 0, BOARD_LEFT+3, FALSE) &&\r
!CheckTest(board, flags, 0, ff, 0, ff - 2, FALSE)))) {\r
\r
callback(board, flags,\r
}\r
if (!(flags & F_WHITE_ON_MOVE) &&\r
(flags & F_BLACK_KCASTLE_OK) &&\r
- board[BOARD_HEIGHT-1][ff] == BlackKing &&\r
+ board[BOARD_HEIGHT-1][ff] == bKing &&\r
board[BOARD_HEIGHT-1][ff + 1] == EmptySquare &&\r
board[BOARD_HEIGHT-1][ff + 2] == EmptySquare &&\r
board[BOARD_HEIGHT-1][BOARD_RGHT-3] == EmptySquare &&\r
(ignoreCheck ||\r
(!CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff + 1, FALSE) &&\r
!CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, BOARD_RGHT-3, FALSE) &&\r
+ (gameInfo.variant != VariantJanus || !CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, BOARD_RGHT-2, FALSE)) &&\r
!CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff + 2, FALSE)))) {\r
\r
callback(board, flags,\r
ff==BOARD_WIDTH>>1 ? BlackKingSideCastle : BlackKingSideCastleWild,\r
- BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff + ((gameInfo.boardWidth+2)>>2), closure);\r
+ BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff + ((gameInfo.boardWidth+2)>>2) + (gameInfo.variant == VariantJanus), closure);\r
}\r
if (!(flags & F_WHITE_ON_MOVE) &&\r
(flags & F_BLACK_QCASTLE_OK) &&\r
- board[BOARD_HEIGHT-1][ff] == BlackKing &&\r
+ board[BOARD_HEIGHT-1][ff] == bKing &&\r
board[BOARD_HEIGHT-1][ff - 1] == EmptySquare &&\r
board[BOARD_HEIGHT-1][ff - 2] == EmptySquare &&\r
board[BOARD_HEIGHT-1][BOARD_LEFT+2] == EmptySquare &&\r
( castlingRights[5] == ff || castlingRights[7] == ff ) &&\r
(ignoreCheck ||\r
(!CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff - 1, FALSE) &&\r
- !CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, BOARD_LEFT+3, FALSE) &&\r
- !CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff - 1, FALSE)))) {\r
+ !CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, BOARD_LEFT+3, FALSE) &&\r
+ !CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ff - 2, FALSE)))) {\r
\r
callback(board, flags,\r
ff==BOARD_WIDTH>>1 ? BlackQueenSideCastle : BlackQueenSideCastleWild,\r
}\r
}\r
\r
- /* PUSH Fabien */\r
+ if(gameInfo.variant == VariantFischeRandom) {\r
\r
/* generate all potential FRC castling moves (KxR), ignoring flags */\r
- /* [HGM] Tord! Help requested! */\r
-\r
- if ((flags & F_WHITE_ON_MOVE) != 0) {\r
+ /* [HGM] test if the Rooks we find have castling rights */\r
\r
- for (ff = BOARD_LEFT+1; ff < BOARD_RGHT-1; ff++) {\r
- if (board[0][ff] == WhiteKing) {\r
- for (ft = BOARD_LEFT+0; ft < BOARD_RGHT; ft++) {\r
- if (board[0][ft] == WhiteRook) {\r
- callback(board, flags, \r
- (ft > ff) ? WhiteHSideCastleFR : WhiteASideCastleFR,\r
- 0, ff, 0, ft, closure);\r
- }\r
- }\r
- }\r
- }\r
\r
+ if ((flags & F_WHITE_ON_MOVE) != 0) {\r
+ ff = castlingRights[2]; /* King file if we have any rights */\r
+ if(ff > 0 && board[0][ff] == WhiteKing) {\r
+ if (appData.debugMode) {\r
+ fprintf(debugFP, "FRC castling, %d %d %d %d %d %d\n",\r
+ castlingRights[0],castlingRights[1],ff,castlingRights[3],castlingRights[4],castlingRights[5]);\r
+ }\r
+ ft = castlingRights[0]; /* Rook file if we have H-side rights */\r
+ left = ff+1;\r
+ right = BOARD_RGHT-2;\r
+ if(ff == BOARD_RGHT-2) left = right = ff-1; /* special case */\r
+ for(k=left; k<=right && ft >= 0; k++) /* first test if blocked */\r
+ if(k != ft && board[0][k] != EmptySquare) ft = -1;\r
+ for(k=left; k<right && ft >= 0; k++) /* then if not checked */\r
+ if(!ignoreCheck && CheckTest(board, flags, 0, ff, 0, k, FALSE)) ft = -1;\r
+ if(ft >= 0 && board[0][ft] == WhiteRook)\r
+ callback(board, flags, WhiteHSideCastleFR, 0, ff, 0, ft, closure);\r
+\r
+ ft = castlingRights[1]; /* Rook file if we have A-side rights */\r
+ left = BOARD_LEFT+2;\r
+ right = ff-1;\r
+ if(ff <= BOARD_LEFT+2) { left = ff+1; right = BOARD_LEFT+3; }\r
+ for(k=left; k<=right && ft >= 0; k++) /* first test if blocked */\r
+ if(k != ft && board[0][k] != EmptySquare) ft = -1;\r
+ if(ff > BOARD_LEFT+2) \r
+ for(k=left+1; k<=right && ft >= 0; k++) /* then if not checked */\r
+ if(!ignoreCheck && CheckTest(board, flags, 0, ff, 0, k, FALSE)) ft = -1;\r
+ if(ft >= 0 && board[0][ft] == WhiteRook)\r
+ callback(board, flags, WhiteASideCastleFR, 0, ff, 0, ft, closure);\r
+ }\r
} else {\r
-\r
- for (ff = BOARD_LEFT+1; ff < BOARD_RGHT-1; ff++) {\r
- if (board[BOARD_HEIGHT-1][ff] == BlackKing) {\r
- for (ft = BOARD_LEFT+0; ft < BOARD_RGHT; ft++) {\r
- if (board[BOARD_HEIGHT-1][ft] == BlackRook) {\r
- callback(board, flags, \r
- (ft > ff) ? BlackHSideCastleFR : BlackASideCastleFR,\r
- BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ft, closure);\r
- }\r
- }\r
- }\r
- }\r
+ ff = castlingRights[5]; /* King file if we have any rights */\r
+ if(ff > 0 && board[BOARD_HEIGHT-1][ff] == BlackKing) {\r
+ ft = castlingRights[3]; /* Rook file if we have H-side rights */\r
+ left = ff+1;\r
+ right = BOARD_RGHT-2;\r
+ if(ff == BOARD_RGHT-2) left = right = ff-1; /* special case */\r
+ for(k=left; k<=right && ft >= 0; k++) /* first test if blocked */\r
+ if(k != ft && board[BOARD_HEIGHT-1][k] != EmptySquare) ft = -1;\r
+ for(k=left; k<right && ft >= 0; k++) /* then if not checked */\r
+ if(!ignoreCheck && CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, k, FALSE)) ft = -1;\r
+ if(ft >= 0 && board[BOARD_HEIGHT-1][ft] == BlackRook)\r
+ callback(board, flags, BlackHSideCastleFR, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ft, closure);\r
+\r
+ ft = castlingRights[4]; /* Rook file if we have A-side rights */\r
+ left = BOARD_LEFT+2;\r
+ right = ff-1;\r
+ if(ff <= BOARD_LEFT+2) { left = ff+1; right = BOARD_LEFT+3; }\r
+ for(k=left; k<=right && ft >= 0; k++) /* first test if blocked */\r
+ if(k != ft && board[BOARD_HEIGHT-1][k] != EmptySquare) ft = -1;\r
+ if(ff > BOARD_LEFT+2) \r
+ for(k=left+1; k<=right && ft >= 0; k++) /* then if not checked */\r
+ if(!ignoreCheck && CheckTest(board, flags, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, k, FALSE)) ft = -1;\r
+ if(ft >= 0 && board[BOARD_HEIGHT-1][ft] == BlackRook)\r
+ callback(board, flags, BlackASideCastleFR, BOARD_HEIGHT-1, ff, BOARD_HEIGHT-1, ft, closure);\r
+ }\r
}\r
\r
- /* POP Fabien */\r
+ }\r
\r
return FALSE;\r
}\r
for (cl.fking = BOARD_LEFT+0; cl.fking < BOARD_RGHT; cl.fking++)\r
for (cl.rking = 0; cl.rking < BOARD_HEIGHT; cl.rking++) {\r
if (board[cl.rking][cl.fking] == king) {\r
+ if(gameInfo.variant == VariantXiangqi) {\r
+ /* [HGM] In Xiangqi opposing Kings means check as well */\r
+ int i, dir;\r
+ dir = (king >= BlackPawn) ? -1 : 1;\r
+ for( i=cl.rking+dir; i>=0 && i<BOARD_HEIGHT &&\r
+ board[i][cl.fking] == EmptySquare; i+=dir );\r
+ if(i>=0 && i<BOARD_HEIGHT &&\r
+ board[i][cl.fking] == (dir>0 ? BlackWazir : WhiteWazir) )\r
+ cl.check++;\r
+ }\r
+\r
GenPseudoLegal(board, flags ^ F_WHITE_ON_MOVE, -1,\r
CheckTestCallback, (VOIDSTAR) &cl);\r
goto undo_move; /* 2-level break */\r
{\r
register LegalityTestClosure *cl = (LegalityTestClosure *) closure;\r
\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "Legality test: %c%c%c%c\n", ff+AAA, rf+ONE, ft+AAA, rt+ONE);\r
- }\r
+// if (appData.debugMode) {\r
+// fprintf(debugFP, "Legality test: %c%c%c%c\n", ff+AAA, rf+ONE, ft+AAA, rt+ONE);\r
+// }\r
if (rf == cl->rf && ff == cl->ff && rt == cl->rt && ft == cl->ft)\r
cl->kind = kind;\r
}\r
int rf, ff, rt, ft, promoChar;\r
char castlingRights[];\r
{\r
- LegalityTestClosure cl;\r
+ LegalityTestClosure cl; ChessSquare piece = board[rf][ff];\r
\r
+ if (appData.debugMode) {\r
+ int i;\r
+ for(i=0; i<6; i++) fprintf(debugFP, "%d ", castlingRights[i]);\r
+ fprintf(debugFP, "Legality test? %c%c%c%c\n", ff+AAA, rf+ONE, ft+AAA, rt+ONE);\r
+ }\r
+ /* [HGM] Lance, Cobra and Falcon are wildcard pieces; consider all their moves legal */\r
+ /* (perhaps we should disallow moves that obviously leave us in check?) */\r
+ if(piece == WhiteFalcon || piece == BlackFalcon ||\r
+ piece == WhiteCobra || piece == BlackCobra ||\r
+ piece == WhiteLance || piece == BlackLance)\r
+ return NormalMove;\r
+\r
cl.rf = rf;\r
cl.ff = ff;\r
cl.rt = rt;\r
cl.ft = ft;\r
cl.kind = IllegalMove;\r
GenLegal(board, flags, epfile, castlingRights, LegalityTestCallback, (VOIDSTAR) &cl);\r
+\r
+ if(gameInfo.variant == VariantShogi) {\r
+ /* [HGM] Shogi promotions. '=' means defer */\r
+ if(rf != DROP_RANK && cl.kind == NormalMove) {\r
+ ChessSquare piece = board[rf][ff];\r
+\r
+ if(promoChar == PieceToChar(BlackQueen)) promoChar = NULLCHAR; /* [HGM] Kludge */\r
+ if(promoChar != NULLCHAR && promoChar != 'x' &&\r
+ promoChar != '+' && promoChar != '=' &&\r
+ ToUpper(PieceToChar(PROMOTED piece)) != ToUpper(promoChar) )\r
+ cl.kind = IllegalMove;\r
+ else if(flags & F_WHITE_ON_MOVE) {\r
+ if( (int) piece < (int) WhiteWazir &&\r
+ (rf > BOARD_HEIGHT-4 || rt > BOARD_HEIGHT-4) ) {\r
+ if( (piece == WhitePawn || piece == WhiteQueen) && rt > BOARD_HEIGHT-2 ||\r
+ piece == WhiteKnight && rt > BOARD_HEIGHT-3) /* promotion mandatory */\r
+ cl.kind = promoChar == '=' ? IllegalMove : WhitePromotionKnight;\r
+ else /* promotion optional, default is promote */\r
+ cl.kind = promoChar == '=' ? NormalMove : WhitePromotionQueen;\r
+ \r
+ } else cl.kind = (promoChar == NULLCHAR || promoChar == 'x' || promoChar == '=') ?\r
+ NormalMove : IllegalMove;\r
+ } else {\r
+ if( (int) piece < (int) BlackWazir && (rf < 3 || rt < 3) ) {\r
+ if( (piece == BlackPawn || piece == BlackQueen) && rt < 1 ||\r
+ piece == BlackKnight && rt < 2 ) /* promotion obligatory */\r
+ cl.kind = promoChar == '=' ? IllegalMove : BlackPromotionKnight;\r
+ else /* promotion optional, default is promote */\r
+ cl.kind = promoChar == '=' ? NormalMove : BlackPromotionQueen;\r
+\r
+ } else cl.kind = (promoChar == NULLCHAR || promoChar == 'x' || promoChar == '=') ?\r
+ NormalMove : IllegalMove;\r
+ }\r
+ }\r
+ } else\r
if (promoChar != NULLCHAR && promoChar != 'x') {\r
if (cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen) {\r
cl.kind = \r
cl.kind = IllegalMove;\r
}\r
}\r
+ /* [HGM] For promotions, 'ToQueen' = optional, 'ToKnight' = mandatory */\r
return cl.kind;\r
}\r
\r
if (cl.count > 0) {\r
return inCheck ? MT_CHECK : MT_NONE;\r
} else {\r
- return inCheck || gameInfo.variant == VariantXiangqi ?\r
+ return inCheck || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShatranj ?\r
MT_CHECKMATE : MT_STALEMATE;\r
}\r
}\r
{\r
register DisambiguateClosure *cl = (DisambiguateClosure *) closure;\r
\r
- if ((cl->pieceIn == EmptySquare || cl->pieceIn == board[rf][ff]) &&\r
+ if ((cl->pieceIn == EmptySquare || cl->pieceIn == board[rf][ff]\r
+ || PieceToChar(board[rf][ff]) == '~'\r
+ && cl->pieceIn == (ChessSquare)(DEMOTED board[rf][ff])\r
+ ) &&\r
(cl->rfIn == -1 || cl->rfIn == rf) &&\r
(cl->ffIn == -1 || cl->ffIn == ff) &&\r
(cl->rtIn == -1 || cl->rtIn == rt) &&\r
(cl->ftIn == -1 || cl->ftIn == ft)) {\r
\r
cl->count++;\r
- cl->piece = board[rf][ff];\r
+ cl->piece = board[rf][ff];\r
cl->rf = rf;\r
cl->ff = ff;\r
cl->rt = rt;\r
int flags, epfile;\r
DisambiguateClosure *closure;\r
{\r
- int illegal = 0;\r
+ int illegal = 0; char c = closure->promoCharIn;\r
closure->count = 0;\r
closure->rf = closure->ff = closure->rt = closure->ft = 0;\r
closure->kind = ImpossibleMove;\r
+ if (appData.debugMode) {\r
+ fprintf(debugFP, "Disambiguate in: %d(%d,%d)-(%d,%d) = %d (%c)\n",\r
+ closure->pieceIn,closure->ffIn,closure->rfIn,closure->ftIn,closure->rtIn,\r
+ closure->promoCharIn, closure->promoCharIn >= ' ' ? closure->promoCharIn : '-');\r
+ }\r
GenLegal(board, flags, epfile, initialRights, DisambiguateCallback, (VOIDSTAR) closure);\r
if (closure->count == 0) {\r
/* See if it's an illegal move due to check */\r
(VOIDSTAR) closure); \r
if (closure->count == 0) {\r
/* No, it's not even that */\r
+ if (appData.debugMode) { int i, j;\r
+ for(i=BOARD_HEIGHT-1; i>=0; i--) {\r
+ for(j=0; j<BOARD_WIDTH; j++)\r
+ fprintf(debugFP, "%3d", (int) board[i][j]);\r
+ fprintf(debugFP, "\n");\r
+ }\r
+ }\r
return;\r
}\r
}\r
+\r
+ if(gameInfo.variant == VariantShogi) {\r
+ /* [HGM] Shogi promotions. '=' means defer */\r
+ if(closure->rfIn != DROP_RANK && closure->kind == NormalMove) {\r
+ ChessSquare piece = closure->piece;\r
+#if 0\r
+ if (appData.debugMode) {\r
+ fprintf(debugFP, "Disambiguate A: %d(%d,%d)-(%d,%d) = %d (%c)\n",\r
+ closure->pieceIn,closure->ffIn,closure->rfIn,closure->ftIn,closure->rtIn,\r
+ closure->promoCharIn,closure->promoCharIn);\r
+ }\r
+#endif\r
+ if(c != NULLCHAR && c != 'x' && c != '+' && c != '=' &&\r
+ ToUpper(PieceToChar(PROMOTED piece)) != ToUpper(c) ) \r
+ closure->kind = IllegalMove;\r
+ else if(flags & F_WHITE_ON_MOVE) {\r
+#if 0\r
+ if (appData.debugMode) {\r
+ fprintf(debugFP, "Disambiguate B: %d(%d,%d)-(%d,%d) = %d (%c)\n",\r
+ closure->pieceIn,closure->ffIn,closure->rfIn,closure->ftIn,closure->rtIn,\r
+ closure->promoCharIn,closure->promoCharIn);\r
+ }\r
+#endif\r
+ if( (int) piece < (int) WhiteWazir &&\r
+ (closure->rf > BOARD_HEIGHT-4 || closure->rt > BOARD_HEIGHT-4) ) {\r
+ if( (piece == WhitePawn || piece == WhiteQueen) && closure->rt > BOARD_HEIGHT-2 ||\r
+ piece == WhiteKnight && closure->rt > BOARD_HEIGHT-3) /* promotion mandatory */\r
+ closure->kind = c == '=' ? IllegalMove : WhitePromotionKnight;\r
+ else /* promotion optional, default is promote */\r
+ closure->kind = c == '=' ? NormalMove : WhitePromotionQueen;\r
+ \r
+ } else closure->kind = (c == NULLCHAR || c == 'x' || c == '=') ?\r
+ NormalMove : IllegalMove;\r
+ } else {\r
+ if( (int) piece < (int) BlackWazir && (closure->rf < 3 || closure->rt < 3) ) {\r
+ if( (piece == BlackPawn || piece == BlackQueen) && closure->rt < 1 ||\r
+ piece == BlackKnight && closure->rt < 2 ) /* promotion obligatory */\r
+ closure->kind = c == '=' ? IllegalMove : BlackPromotionKnight;\r
+ else /* promotion optional, default is promote */\r
+ closure->kind = c == '=' ? NormalMove : BlackPromotionQueen;\r
+\r
+ } else closure->kind = (c == NULLCHAR || c == 'x' || c == '=') ?\r
+ NormalMove : IllegalMove;\r
+ }\r
+ }\r
+ } else\r
if (closure->promoCharIn != NULLCHAR && closure->promoCharIn != 'x') {\r
if (closure->kind == WhitePromotionQueen\r
|| closure->kind == BlackPromotionQueen) {\r
closure->kind = IllegalMove;\r
}\r
}\r
- closure->promoChar = ToLower(PieceToChar(PromoPiece(closure->kind)));\r
+#if 0\r
+ if (appData.debugMode) {\r
+ fprintf(debugFP, "Disambiguate C: %d(%d,%d)-(%d,%d) = %d (%c)\n",\r
+ closure->pieceIn,closure->ffIn,closure->rfIn,closure->ftIn,closure->rtIn,\r
+ closure->promoCharIn,closure->promoCharIn);\r
+ }\r
+#endif\r
+ /* [HGM] returns 'q' for optional promotion, 'n' for mandatory */\r
+ if(closure->promoCharIn != '=')\r
+ closure->promoChar = ToLower(PieceToChar(PromoPiece(closure->kind)));\r
+ else closure->promoChar = '=';\r
if (closure->promoChar == 'x') closure->promoChar = NULLCHAR;\r
if (closure->count > 1) {\r
closure->kind = AmbiguousMove;\r
*/\r
closure->kind = IllegalMove;\r
}\r
+ if(closure->kind == IllegalMove)\r
+ /* [HGM] might be a variant we don't understand, pass on promotion info */\r
+ closure->promoChar = closure->promoCharIn;\r
+ if (appData.debugMode) {\r
+ fprintf(debugFP, "Disambiguate out: %d(%d,%d)-(%d,%d) = %d (%c)\n",\r
+ closure->piece,closure->ff,closure->rf,closure->ft,closure->rt,closure->promoChar,\r
+ closure->promoChar >= ' ' ? closure->promoChar:'-');\r
+ }\r
}\r
\r
\r
(CoordsToAlgebraicClosure *) closure;\r
\r
if (rt == cl->rt && ft == cl->ft &&\r
- board[rf][ff] == cl->piece) {\r
+ (board[rf][ff] == cl->piece\r
+ || PieceToChar(board[rf][ff]) == '~' &&\r
+ (ChessSquare) (DEMOTED board[rf][ff]) == cl->piece)\r
+ ) {\r
if (rf == cl->rf) {\r
if (ff == cl->ff) {\r
cl->kind = kind; /* this is the move we want */\r
{\r
ChessSquare piece;\r
ChessMove kind;\r
- char *outp = out;\r
+ char *outp = out, c;\r
CoordsToAlgebraicClosure cl;\r
\r
if (rf == DROP_RANK) {\r
*outp++ = rt + ONE;\r
else { *outp++ = (rt+ONE-'0')/10 + '0';*outp++ = (rt+ONE-'0')%10 + '0'; }\r
*outp = NULLCHAR;\r
- AlphaRank(out, 5);\r
return (flags & F_WHITE_ON_MOVE) ? WhiteDrop : BlackDrop;\r
}\r
\r
if (promoChar == 'x') promoChar = NULLCHAR;\r
piece = board[rf][ff];\r
+ if(PieceToChar(piece)=='~') piece = (ChessSquare)(DEMOTED piece);\r
+\r
+ if (appData.debugMode)\r
+ fprintf(debugFP, "CoordsToAlgebraic, piece=%d (%d,%d)-(%d,%d) %c\n", (int)piece,ff,rf,ft,rt,promoChar >= ' ' ? promoChar : '-');\r
switch (piece) {\r
case WhitePawn:\r
case BlackPawn:\r
else { *outp++ = (rt+ONE-'0')/10 + '0';*outp++ = (rt+ONE-'0')%10 + '0'; }\r
}\r
/* Use promotion suffix style "=Q" */\r
- if (promoChar != NULLCHAR && promoChar != 'x') {\r
- *outp++ = '=';\r
- *outp++ = ToUpper(promoChar);\r
- }\r
*outp = NULLCHAR;\r
- AlphaRank(out, 10);\r
+ if (appData.debugMode)\r
+ fprintf(debugFP, "movetype=%d, promochar=%d=%c\n", (int)kind, promoChar, promoChar >= ' ' ? promoChar : '-');\r
+ if (promoChar != NULLCHAR) {\r
+ if(gameInfo.variant == VariantShogi) {\r
+ /* [HGM] ... but not in Shogi! */\r
+ *outp++ = promoChar == '=' ? '=' : '+';\r
+ } else {\r
+ *outp++ = '=';\r
+ *outp++ = ToUpper(promoChar);\r
+ }\r
+ *outp = NULLCHAR;\r
+ }\r
return kind;\r
\r
\r
else "N1f3" or "N5xf7",\r
else "Ng1f3" or "Ng5xf7".\r
*/\r
- *outp++ = ToUpper(PieceToChar(piece));\r
- \r
+ c = PieceToChar(piece) ;\r
+ if( c == '~' || c == '+') {\r
+ /* [HGM] print nonexistent piece as its demoted version */\r
+ piece = (ChessSquare) (DEMOTED piece);\r
+ }\r
+ if(c=='+') *outp++ = c;\r
+ *outp++ = ToUpper(PieceToChar(piece));\r
+\r
if (cl.file || (cl.either && !cl.rank)) {\r
*outp++ = ff + AAA;\r
}\r
*outp++ = rt + ONE;\r
else { *outp++ = (rt+ONE-'0')/10 + '0';*outp++ = (rt+ONE-'0')%10 + '0'; }\r
*outp = NULLCHAR;\r
- AlphaRank(out, 10);\r
+ if (gameInfo.variant == VariantShogi) {\r
+ /* [HGM] in Shogi non-pawns can promote */\r
+ if(flags & F_WHITE_ON_MOVE) {\r
+ if( (int) cl.piece < (int) WhiteWazir &&\r
+ (rf > BOARD_HEIGHT-4 || rt > BOARD_HEIGHT-4) ) {\r
+ if( (piece == WhitePawn || piece == WhiteQueen) && rt > BOARD_HEIGHT-2 ||\r
+ piece == WhiteKnight && rt > BOARD_HEIGHT-3) /* promotion mandatory */\r
+ cl.kind = promoChar == '=' ? IllegalMove : WhitePromotionKnight;\r
+ else cl.kind = WhitePromotionQueen; /* promotion optional */\r
+ \r
+ } else cl.kind = (promoChar == NULLCHAR || promoChar == 'x' || promoChar == '=') ?\r
+ NormalMove : IllegalMove;\r
+ } else {\r
+ if( (int) cl.piece < (int) BlackWazir && (rf < 3 || rt < 3) ) {\r
+ if( (piece == BlackPawn || piece == BlackQueen) && rt < 1 ||\r
+ piece == BlackKnight && rt < 2 ) /* promotion obligatory */\r
+ cl.kind = promoChar == '=' ? IllegalMove : BlackPromotionKnight;\r
+ else cl.kind = BlackPromotionQueen; /* promotion optional */\r
+ } else cl.kind = (promoChar == NULLCHAR || promoChar == 'x' || promoChar == '=') ?\r
+ NormalMove : IllegalMove;\r
+ }\r
+ if(cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen) {\r
+ /* for optional promotions append '+' or '=' */\r
+ if(promoChar == '=') {\r
+ *outp++ = '=';\r
+ cl.kind = NormalMove;\r
+ } else *outp++ = '+';\r
+ *outp = NULLCHAR;\r
+ } else if(cl.kind == IllegalMove) {\r
+ /* Illegal move specifies any given promotion */\r
+ if(promoChar != NULLCHAR && promoChar != 'x') {\r
+ *outp++ = '=';\r
+ *outp++ = ToUpper(promoChar);\r
+ *outp = NULLCHAR;\r
+ }\r
+ }\r
+ }\r
return cl.kind;\r
\r
-#ifdef FAIRY\r
- /* [HGM] Always long notation for fairies, don't know how they move */\r
- case WhiteNightrider:\r
- case BlackNightrider:\r
+ /* [HGM] Always long notation for fairies we don't know */\r
+ case WhiteFalcon:\r
+ case BlackFalcon:\r
+ case WhiteSilver:\r
+ case BlackSilver:\r
+ case WhiteLance:\r
+ case BlackLance:\r
case WhiteGrasshopper:\r
case BlackGrasshopper:\r
-#endif\r
case EmptySquare:\r
/* Moving a nonexistent piece */\r
break;\r
}\r
*outp = NULLCHAR;\r
\r
- AlphaRank(out, 0);\r
return IllegalMove;\r
}\r
\r