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 || gameInfo.variant == VariantChuChess) {
+ } else if(gameInfo.variant == VariantShogi) {
promotionZoneSize = BOARD_HEIGHT/3;
highestPromotingPiece = (int)WhiteAlfil;
} else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
/* EditPosition, empty square, or different color piece;
click-click move is possible */
if (toX == -2 || toY == -2) {
- boards[0][fromY][fromX] = EmptySquare;
+ boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
DrawPosition(FALSE, boards[currentMove]);
return;
} else if (toX >= 0 && toY >= 0) {
gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
return (piece == BlackPawn && y <= zone ||
piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
- piece == BlackLance && y == 1 ||
- piece == WhiteLance && y == BOARD_HEIGHT-2 );
+ piece == BlackLance && y <= zone ||
+ piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
}
void
toP = boards[currentMove][y][x];
frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
+ legal[y][x] == 0 && // if engine told we can move to here, do it even if own piece
((WhitePawn <= fromP && fromP <= WhiteKing &&
WhitePawn <= toP && toP <= WhiteKing &&
!(fromP == WhiteKing && toP == WhiteRook && frc) &&
void
ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
{
- ChessSquare captured = board[toY][toX], piece, king; int p, rookX, oldEP = EP_NONE, berolina = 0;
+ ChessSquare captured = board[toY][toX], piece, pawn, king, killed; int p, rookX, oldEP, epRank, berolina = 0;
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(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
- oldEP = (signed char)board[EP_STATUS];
+ oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
board[EP_STATUS] = EP_NONE;
board[EP_FILE] = board[EP_RANK] = 100;
if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
// victim = board[killY][killX],
+ killed = board[killY][killX],
board[killY][killX] = EmptySquare,
board[EP_STATUS] = EP_CAPTURE;
}
}
- if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
- if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
- board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
- } else
- if( board[fromY][fromX] == WhitePawn ) {
+ pawn = board[fromY][fromX];
+ if( pawn == WhiteLance || pawn == BlackLance ) {
+ if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
+ if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
+ else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
+ }
+ }
+ if( pawn == WhitePawn ) {
if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
board[EP_STATUS] = EP_PAWN_MOVE;
- if( toY-fromY==2) {
- board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
+ if( toY-fromY>=2) {
+ board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
gameInfo.variant != VariantBerolina || toX < fromX)
board[EP_STATUS] = toX | berolina;
board[EP_STATUS] = toX;
}
} else
- if( board[fromY][fromX] == BlackPawn ) {
+ if( pawn == BlackPawn ) {
if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
board[EP_STATUS] = EP_PAWN_MOVE;
- if( toY-fromY== -2) {
- board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
+ if( toY-fromY<= -2) {
+ board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
gameInfo.variant != VariantBerolina || toX < fromX)
board[EP_STATUS] = toX | berolina;
if(gameInfo.variant == VariantKnightmate)
king += (int) WhiteUnicorn - (int) WhiteKing;
+ if(piece != WhiteKing && piece != BlackKing && pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
+ && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and captures own
+ board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
+ board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
+ board[EP_STATUS] = EP_NONE; // capture was fake!
+ } else
/* Code added by Tord: */
/* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
&& (toX != fromX)
&& gameInfo.variant != VariantXiangqi
&& gameInfo.variant != VariantBerolina
- && (board[fromY][fromX] == WhitePawn)
+ && (pawn == WhitePawn)
&& (board[toY][toX] == EmptySquare)) {
board[fromY][fromX] = EmptySquare;
- board[toY][toX] = WhitePawn;
- captured = board[toY - 1][toX];
- board[toY - 1][toX] = EmptySquare;
+ board[toY][toX] = piece;
+ if(toY == epRank - 128 + 1)
+ captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
+ else
+ captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
} else if ((fromY == BOARD_HEIGHT-4)
&& (toX == fromX)
&& gameInfo.variant == VariantBerolina
&& (toX != fromX)
&& gameInfo.variant != VariantXiangqi
&& gameInfo.variant != VariantBerolina
- && (board[fromY][fromX] == BlackPawn)
+ && (pawn == BlackPawn)
&& (board[toY][toX] == EmptySquare)) {
board[fromY][fromX] = EmptySquare;
- board[toY][toX] = BlackPawn;
- captured = board[toY + 1][toX];
- board[toY + 1][toX] = EmptySquare;
+ board[toY][toX] = piece;
+ if(toY == epRank - 128 - 1)
+ captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
+ else
+ captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
} else if ((fromY == 3)
&& (toX == fromX)
&& gameInfo.variant == VariantBerolina
AAA + x, ONE + y);
SendToICS(buf);
}
- } else {
+ } else if(boards[0][y][x] != DarkSquare) {
if(boards[0][y][x] != p) nonEmpty++;
boards[0][y][x] = p;
}
projects / xboard.git / blobdiff