rf, ff, rf + 1, ff + s, closure);
}
if (rf >= BOARD_HEIGHT+1>>1) {// [HGM] grand: 4th & 5th rank on 10-board
+ int victimFile = (board[LAST_FILE] == 100 ? ff + s : board[LAST_FILE]);
if (ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&
- (epfile == ff + s || epfile == EP_UNKNOWN) && rf < BOARD_HEIGHT-3 &&
- board[rf][ff + s] == BlackPawn &&
+ (board[EP_FILE] == ff + s || epfile == EP_UNKNOWN) && rf < BOARD_HEIGHT-3 &&
+ (board[rf][victimFile] == BlackPawn || board[rf][victimFile] == BlackLance) &&
board[rf+1][ff + s] == EmptySquare) {
callback(board, flags, WhiteCapturesEnPassant,
rf, ff, rf+1, ff + s, closure);
rf, ff, rf - 1, ff + s, closure);
}
if (rf < BOARD_HEIGHT>>1) {
+ int victimFile = (board[LAST_FILE] == 100 ? ff + s : board[LAST_FILE]);
if (ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&
- (epfile == ff + s || epfile == EP_UNKNOWN) && rf > 2 &&
- board[rf][ff + s] == WhitePawn &&
+ (board[EP_FILE] == ff + s || epfile == EP_UNKNOWN) && rf > 2 &&
+ (board[rf][victimFile] == WhitePawn || board[rf][victimFile] == WhiteLance) &&
board[rf-1][ff + s] == EmptySquare) {
callback(board, flags, BlackCapturesEnPassant,
rf, ff, rf-1, ff + s, closure);
if(gameInfo.variant == VariantShogi) goto WhiteGold;
case SHOGI (PROMO BlackPawn):
if(gameInfo.variant == VariantShogi) goto BlackGold;
+ case SHOGI WhiteAxe:
+ case SHOGI BlackAxe:
SlideVertical(board, flags, rf, ff, callback, closure);
break;
case SHOGI (PROMO WhiteKnight):
if(gameInfo.variant == VariantShogi) goto WhiteGold;
+ case SHOGI WhiteClaw:
case SHOGI BlackDrunk:
case SHOGI BlackAlfil:
Ferz(board, flags, rf, ff, callback, closure);
case SHOGI (PROMO BlackKnight):
if(gameInfo.variant == VariantShogi) goto BlackGold;
+ case SHOGI BlackClaw:
case SHOGI WhiteDrunk:
case SHOGI WhiteAlfil:
Ferz(board, flags, rf, ff, callback, closure);
case WhiteWazir:
case BlackWazir:
+ if(gameInfo.variant == VariantXiangqi) {
+ int palace = (piece == WhiteWazir ? 1 : BOARD_HEIGHT-2); // Palace center
+ if(ff <= BOARD_WIDTH/2 && !SameColor(board[rf][ff+1], piece)) callback(board, flags, NormalMove, rf, ff, rf, ff+1, closure);
+ if(ff >= BOARD_WIDTH/2 && !SameColor(board[rf][ff-1], piece)) callback(board, flags, NormalMove, rf, ff, rf, ff-1, closure);
+ if(rf >= palace && !SameColor(board[rf-1][ff], piece)) callback(board, flags, NormalMove, rf, ff, rf-1, ff, closure);
+ if(rf <= palace && !SameColor(board[rf+1][ff], piece)) callback(board, flags, NormalMove, rf, ff, rf+1, ff, closure);
+ break;
+ }
Wazir(board, flags, rf, ff, callback, closure);
break;
/* Make Dragon-King Dababba & Rook-like outside Shogi, for better disambiguation in variant Fairy */
case WhiteDragon:
case BlackDragon:
- if(gameInfo.variant == VariantChuChess) goto DragonKing;
+ if(gameInfo.variant == VariantChuChess || gameInfo.variant == VariantSpartan) goto DragonKing;
for (d = 0; d <= 1; d++) // Dababba moves that Rook cannot do
for (s = -2; s <= 2; s += 4) {
rt = rf + s * d;
ft = ff + s * (1 - d);
if (rt < 0 || rt >= BOARD_HEIGHT || ft < BOARD_LEFT || ft >= BOARD_RGHT) continue;
- if (board[rf+rt>>1][ff+ft>>1] == EmptySquare && gameInfo.variant != VariantSpartan) continue;
+ if (board[rf+rt>>1][ff+ft>>1] == EmptySquare) continue;
if (SameColor(board[rf][ff], board[rt][ft])) continue;
callback(board, flags, NormalMove, rf, ff, rt, ft, closure);
}
- if(gameInfo.variant == VariantSpartan) // in Spartan Chess restrict range to modern Dababba
- Wazir(board, flags, rf, ff, callback, closure);
- else
Rook(board, flags, rf, ff, callback, closure);
break;
Knight(board, flags, rf, ff, callback, closure);
break;
+ case WhiteTower:
+ case BlackTower:
+ for (d = 0; d <= 1; d++) // Dababba moves
+ for (s = -2; s <= 2; s += 4) {
+ rt = rf + s * d;
+ ft = ff + s * (1 - d);
+ if (rt < 0 || rt >= BOARD_HEIGHT || ft < BOARD_LEFT || ft >= BOARD_RGHT) continue;
+ if (SameColor(board[rf][ff], board[rt][ft])) continue;
+ callback(board, flags, NormalMove, rf, ff, rt, ft, closure);
+ }
+ Wazir(board, flags, rf, ff, callback, closure);
+ break;
+
/* Shogi Rooks are ordinary Rooks */
case SHOGI WhiteRook:
case SHOGI BlackRook:
case WhiteFerz:
case BlackFerz:
+ if(gameInfo.variant == VariantXiangqi && ff != BOARD_WIDTH>>1) {
+ int rt = (piece == BlackFerz ? BOARD_HEIGHT-2 : 1);
+ int ft = BOARD_WIDTH>>1;
+ if(!SameColor(board[rf][ff], board[rt][ft]))
+ callback(board, flags, NormalMove, rf, ff, rt, ft, closure);
+ } else
/* [HGM] support Shatranj pieces */
Ferz(board, flags, rf, ff, callback, closure);
break;
}
break;
- case SHOGI WhiteFalcon:
- case SHOGI BlackFalcon:
+ case SHOGI WhiteDagger:
+ case SHOGI BlackDagger:
case SHOGI WhitePDagger:
case SHOGI BlackPDagger:
SlideSideways(board, flags, rf, ff, callback, closure);
if(gameInfo.variant == VariantShogi) goto WhiteGold;
case SHOGI (PROMO BlackFerz):
if(gameInfo.variant == VariantShogi) goto BlackGold;
+ case SHOGI WhiteSword:
+ case SHOGI BlackSword:
case SHOGI WhitePSword:
case SHOGI BlackPSword:
SlideVertical(board, flags, rf, ff, callback, closure);
StepSideways(board, flags, rf, ff, callback, closure);
break;
- case SHOGI WhiteUnicorn:
- case SHOGI BlackUnicorn:
+ case SHOGI WhiteCat:
+ case SHOGI BlackCat:
Ferz(board, flags, rf, ff, callback, closure);
StepVertical(board, flags, rf, ff, callback, closure);
break;
- case SHOGI WhiteMan:
+ case SHOGI WhiteCopper:
StepDiagForward(board, flags, rf, ff, callback, closure);
StepVertical(board, flags, rf, ff, callback, closure);
break;
- case SHOGI BlackMan:
+ case SHOGI BlackCopper:
StepDiagBackward(board, flags, rf, ff, callback, closure);
StepVertical(board, flags, rf, ff, callback, closure);
break;
SlideVertical(board, flags, rf, ff, callback, closure);
break;
- case SHOGI WhiteCat:
+ case SHOGI WhiteUnicorn:
Sting(board, flags, rf, ff, 1, 0, callback, closure);
callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
if(killX >= 0) break;
SlideBackward(board, flags, rf, ff, callback, closure);
break;
- case SHOGI BlackCat:
+ case SHOGI BlackUnicorn:
Sting(board, flags, rf, ff, -1, 0, callback, closure);
callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
if(killX >= 0) break;
SlideForward(board, flags, rf, ff, callback, closure);
break;
- case SHOGI WhiteDagger:
+ case SHOGI WhiteFalcon:
Sting(board, flags, rf, ff, 1, 1, callback, closure);
Sting(board, flags, rf, ff, 1, -1, callback, closure);
callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
SlideDiagBackward(board, flags, rf, ff, callback, closure);
break;
- case SHOGI BlackDagger:
+ case SHOGI BlackFalcon:
Sting(board, flags, rf, ff, -1, 1, callback, closure);
Sting(board, flags, rf, ff, -1, -1, callback, closure);
callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
if(rFilter >= 0 && rFilter != rt || fFilter >= 0 && fFilter != ft) return; // [HGM] speed: ignore moves with wrong to-square
- if (board[EP_STATUS] == EP_IRON_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)) return; //[HGM] lion
+ if ((int)board[EP_STATUS] == EP_IRON_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)) return; //[HGM] lion
if (!(flags & F_IGNORE_CHECK) ) {
int check, promo = (gameInfo.variant == VariantSpartan && kind == BlackPromotion);
register CheckTestClosure *cl = (CheckTestClosure *) closure;
if (rt == cl->rking && ft == cl->fking) {
- if(xqCheckers[EP_STATUS] >= 2 && xqCheckers[rf][ff]) return; // checker is piece with suspended checking power
+ if((int)xqCheckers[EP_STATUS] >= 2 && xqCheckers[rf][ff]) return; // checker is piece with suspended checking power
cl->check++;
xqCheckers[rf][ff] = xqCheckers[EP_STATUS] & 1; // remember who is checking (if status == 1)
}
- if( board[EP_STATUS] == EP_ROYAL_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)
+ if( (int)board[EP_STATUS] == EP_ROYAL_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)
&& (gameInfo.variant != VariantLion || board[rf][ff] != WhiteKing && board[rf][ff] != BlackKing) )
cl->check++; // [HGM] lion: forbidden counterstrike against Lion equated to putting yourself in check
}
}
}
+ if(PieceToChar(king) == '.') return 0; // never in check if the royal piece does not participate
+
if (rt >= 0) {
if (enPassant) {
captured = board[rf][ft];
// [HGM] wild: for wild-card pieces rt and rf are dummies
if(piece == WhiteFalcon || piece == BlackFalcon ||
piece == WhiteCobra || piece == BlackCobra)
- wildCard = TRUE;
+ wildCard = !pieceDefs; // no wildcards when engine defined pieces
if ((cl->pieceIn == EmptySquare || cl->pieceIn == board[rf][ff]
|| PieceToChar(board[rf][ff]) == '~'
return;
}
}
- } else if(pieceDefs && closure->count > 1) { // [HGM] gen: move is ambiguous under engine-defined rules
+ } else if(pieceDefs && closure->count > 1 && closure->rtIn >=0) { // [HGM] gen: move is ambiguous under engine-defined rules (and not one-click)
DisambiguateClosure spare = *closure;
+ if(gameInfo.variant == VariantXiangqi && closure->pieceIn == EmptySquare && closure->ffIn < 0) {
+ closure->ffIn = closure->ftIn; //closure->pieceIn = (flags & 1 ? BlackPawn : WhitePawn); // forward Pawn push has priority
+ Disambiguate(board, flags, closure);
+ return;
+ }
pieceDefs = FALSE; spare.count = 0; // See if the (erroneous) built-in rules would resolve that
GenLegal(board, flags, DisambiguateCallback, (VOIDSTAR) &spare, closure->pieceIn);
if(spare.count == 1) *closure = spare; // It does, so use those in stead (game from file saved before gen patch?)
projects / xboard.git / blobdiff