BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
};
+ChessSquare ChuChessArray[2][BOARD_FILES] = {
+ { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
+ WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
+ { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
+ BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
+};
+
#ifdef GOTHIC
ChessSquare GothicArray[2][BOARD_FILES] = {
{ WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
case VariantGrand: /* should work */
case VariantSpartan: /* should work */
case VariantLion: /* should work */
+ case VariantChuChess: /* should work */
break;
}
}
found = TRUE;
} else
for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
- if (StrCaseStr(e, variantNames[i])) {
+ if (p = StrCaseStr(e, variantNames[i])) {
+ if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
v = (VariantClass) i;
found = TRUE;
break;
char buf[MSG_SIZ];
if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
- if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChu) {
+ if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
SendToProgram(buf, cps);
return;
int dragging;
static ClickType lastClickType;
+int
+Partner (ChessSquare *p)
+{ // change piece into promotion partner if one shogi-promotes to the other
+ int stride = gameInfo.variant == VariantChu ? 22 : 11;
+ ChessSquare partner;
+ partner = (*p/stride & 1 ? *p - stride : *p + stride);
+ if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
+ *p = partner;
+ return 1;
+}
+
void
Sweep (int step)
{
ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
+ static int toggleFlag;
if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
+ if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
do {
- promoSweep -= step;
+ if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
else if((int)promoSweep == -1) promoSweep = WhiteKing;
else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
if(!step) step = -1;
} while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
- appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion) ||
- IS_SHOGI(gameInfo.variant) && promoSweep != CHUPROMOTED last && last != CHUPROMOTED promoSweep && last != promoSweep);
+ !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
+ appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion));
if(toX >= 0) {
int victim = boards[currentMove][toY][toX];
boards[currentMove][toY][toX] = promoSweep;
pieces = lionArray;
SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
break;
+ case VariantChuChess:
+ pieces = ChuChessArray;
+ gameInfo.boardWidth = 10;
+ gameInfo.boardHeight = 10;
+ SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
+ break;
case VariantFairy:
pieces = fairyArray;
SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
if(pawnRow < 1) pawnRow = 1;
- if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
+ if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
+ gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
if(gameInfo.variant == VariantChu) pawnRow = 3;
/* User pieceToChar list overrules defaults */
initialPosition[i][j] = s;
if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
- initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
+ initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
initialPosition[pawnRow][j] = WhitePawn;
initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
if(gameInfo.variant == VariantXiangqi) {
initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
}
}
- if(gameInfo.variant == VariantGrand) {
+ if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
initialPosition[0][j] = WhiteRook;
initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
}
}
- initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
+ initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
}
+ if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
if( (gameInfo.variant == VariantShogi) && !overrule ) {
j=BOARD_LEFT+1;
/* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
/* [HGM] add Shogi promotions */
int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
- ChessSquare piece;
+ ChessSquare piece, partner;
ChessMove moveType;
Boolean premove;
int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
promotionZoneSize = BOARD_HEIGHT/3;
highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
- } else if(gameInfo.variant == VariantShogi) {
+ } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
promotionZoneSize = BOARD_HEIGHT/3;
highestPromotingPiece = (int)WhiteAlfil;
- } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
+ } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
promotionZoneSize = 3;
}
if((int)piece >= BlackPawn) {
if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
return FALSE;
+ if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
} else {
if( toY < BOARD_HEIGHT - promotionZoneSize &&
fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
+ if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
+ return FALSE;
}
if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
}
// give caller the default choice even if we will not make it
*promoChoice = ToLower(PieceToChar(defaultPromoChoice));
- if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
+ partner = piece; // pieces can promote if the pieceToCharTable says so
+ if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
+ else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
if( sweepSelect && gameInfo.variant != VariantGreat
&& gameInfo.variant != VariantGrand
&& gameInfo.variant != VariantSuper) return FALSE;
gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
if(appData.testLegality && !premove) {
moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
- fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) ? '+' : NULLCHAR);
+ fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
+ if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
if(moveType != WhitePromotion && moveType != BlackPromotion)
return FALSE;
}
int
CanPromote (ChessSquare piece, int y)
{
+ int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
if(gameMode == EditPosition) return FALSE; // no promotions when editing position
// some variants have fixed promotion piece, no promotion at all, or another selection mechanism
if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
- return (piece == BlackPawn && y == 1 ||
- piece == WhitePawn && y == BOARD_HEIGHT-2 ||
+ return (piece == BlackPawn && y <= zone ||
+ piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
piece == BlackLance && y == 1 ||
piece == WhiteLance && y == BOARD_HEIGHT-2 );
}
toY = y;
}
+ piece = boards[currentMove][fromY][fromX];
+
saveAnimate = appData.animate;
if (clickType == Press) {
+ if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
// must be Edit Position mode with empty-square selected
fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
if(appData.sweepSelect) {
- ChessSquare piece = boards[currentMove][fromY][fromX];
promoSweep = defaultPromoChoice;
- if(PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
+ if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
selectFlag = 0; lastX = xPix; lastY = yPix;
Sweep(0); // Pawn that is going to promote: preview promotion piece
sweepSelecting = 1;
ClearHighlights();
}
} else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
- sweepSelecting = 0;
+ sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
if (appData.animate || appData.highlightLastMove) {
SetHighlights(fromX, fromY, toX, toY);
} else {
ClearHighlights();
}
#endif
+ if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
dragging *= 2; // flag button-less dragging if we are dragging
MarkTargetSquares(1);
DisplayMessage("Click in holdings to choose piece", "");
return;
}
- PromotionPopUp();
+ PromotionPopUp(promoChoice);
} else {
int oldMove = currentMove;
UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
{
ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
- int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
+ int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
/* [HGM] compute & store e.p. status and castling rights for new position */
/* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
if(promoChar == '+') {
/* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
+ if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
+ board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
} else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
if( v == VariantGreat ) width = 10, holdings = 8;
if( v == VariantSChess ) holdings = 7;
if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
+ if( v == VariantChuChess) width = 10, height = 10;
if( v == VariantChu ) width = 12, height = 12;
return boardWidth >= 0 && boardWidth != width || // -1 is default,
boardHeight >= 0 && boardHeight != height || // and thus by definition OK