X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=7cc8f9cc9c214fc80a781d97ea02c728f6b55d68;hb=494c14427dd2854d928019558e1cf8f87ba30ca7;hp=12aadc1d5fc0ba5640c2fa52f2e7882a8c6523fe;hpb=bcf2f5c3aa7c039f0dca16dd6e4e741b7f184ba2;p=xboard.git diff --git a/backend.c b/backend.c index 12aadc1..7cc8f9c 100644 --- a/backend.c +++ b/backend.c @@ -261,7 +261,7 @@ void ics_update_width P((int new_width)); extern char installDir[MSG_SIZ]; VariantClass startVariant; /* [HGM] nicks: initial variant */ Boolean abortMatch; -int deadRanks; +int deadRanks, handSize, handOffsets; extern int tinyLayout, smallLayout; ChessProgramStats programStats; @@ -2485,7 +2485,7 @@ CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece) if( (int)lowestPiece >= BlackPawn ) { holdingsColumn = 0; countsColumn = 1; - holdingsStartRow = BOARD_HEIGHT-1; + holdingsStartRow = handSize-1; direction = -1; } else { holdingsColumn = BOARD_WIDTH-1; @@ -2494,7 +2494,7 @@ CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece) direction = 1; } - for(i=0; i= BlackPawn && old < BlackCannon) boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion else boards[moveNum][k][j] = old; // preserve type of Gold - } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!) + } else if(old == WhitePawn || old == BlackPawn) // Pawn promotions (but not e.p.capture!) boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece } } else { @@ -6126,19 +6129,19 @@ Prelude (Board board) j = seed%4; seed /= 4; p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p); board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++; - board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++; + board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++; j = seed%3 + (seed%3 >= j); seed /= 3; p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p); board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++; - board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++; + board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++; j = seed%3; seed /= 3; p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p); board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++; - board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++; + board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++; j = seed%2 + (seed%2 >= j); seed /= 2; p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p); board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++; - board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++; + board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++; j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY); j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY); j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY); @@ -6356,13 +6359,14 @@ InitPosition (int redraw) } if(appData.holdingsSize >= 0) { i = appData.holdingsSize; - if(i > gameInfo.boardHeight) i = gameInfo.boardHeight; +// if(i > gameInfo.boardHeight) i = gameInfo.boardHeight; gameInfo.holdingsSize = i; } if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2; if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES) DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2); + if(!handSize) handSize = BOARD_HEIGHT; pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */ if(pawnRow < 1) pawnRow = 1; if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || @@ -6440,8 +6444,8 @@ InitPosition (int redraw) if(gameInfo.variant == VariantGreat) { // promotion commoners initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan; initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9; - initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan; - initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9; + initialPosition[handSize-1-PieceToNumber(WhiteMan)][0] = BlackMan; + initialPosition[handSize-1-PieceToNumber(WhiteMan)][1] = 9; } if( gameInfo.variant == VariantSChess ) { initialPosition[1][0] = BlackMarshall; @@ -6451,6 +6455,7 @@ InitPosition (int redraw) initialPosition[1][1] = initialPosition[2][1] = initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1; } + initialPosition[CHECK_COUNT] = (gameInfo.variant == Variant3Check ? 0x303 : 0); if (appData.debugMode) { fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings); } @@ -6707,12 +6712,13 @@ HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, i piece = boards[currentMove][fromY][fromX]; if(gameInfo.variant == VariantChu) { - promotionZoneSize = BOARD_HEIGHT/3; + promotionZoneSize = (BOARD_HEIGHT - deadRanks)/3; if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing; } else if(gameInfo.variant == VariantShogi) { - promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8); + promotionZoneSize = (BOARD_HEIGHT- deadRanks)/3 +(BOARD_HEIGHT == 8); highestPromotingPiece = (int)WhiteAlfil; + if(PieceToChar(piece) != '+' || PieceToChar(CHUPROMOTED(piece)) == '+') highestPromotingPiece = piece; } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) { promotionZoneSize = 3; } @@ -6730,9 +6736,9 @@ HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, i 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) + if( toY < BOARD_HEIGHT - deadRanks - promotionZoneSize && + fromY < BOARD_HEIGHT - deadRanks - promotionZoneSize) return FALSE; + if(fromY >= BOARD_HEIGHT - deadRanks - promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE; } @@ -6748,9 +6754,9 @@ HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, i return FALSE; } } else { - if(toY == BOARD_HEIGHT-1 && piece == WhitePawn || - toY == BOARD_HEIGHT-1 && piece == WhiteQueen || - toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) { + if(toY == BOARD_HEIGHT-deadRanks-1 && piece == WhitePawn || + toY == BOARD_HEIGHT-deadRanks-1 && piece == WhiteQueen || + toY >= BOARD_HEIGHT-deadRanks-2 && piece == WhiteKnight) { *promoChoice = '+'; return FALSE; } @@ -6817,12 +6823,45 @@ InPalace (int row, int column) int PieceForSquare (int x, int y) { - if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT) - return -1; - else + if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT) return -1; + if(x == BOARD_RGHT+1 && handOffsets & 1) y += handSize - BOARD_HEIGHT; + if(x == BOARD_LEFT-2 && !(handOffsets & 2)) y += handSize - BOARD_HEIGHT; return boards[currentMove][y][x]; } +ChessSquare +More (Board board, int col, int start, int end) +{ + int k; + for(k=start; k BOARD_HEIGHT && board) { + int k; + CopyBoard(compactedBoard, board); + if(handOffsets & 1) { + for(k=0; k1) capt++; if(capt) - for(x=0; x= BOARD_HEIGHT-1-zone || + piece == WhitePawn && y >= BOARD_HEIGHT-1-deadRanks-zone || piece == BlackLance && y <= zone || - piece == WhiteLance && y >= BOARD_HEIGHT-1-zone ); + piece == WhiteLance && y >= BOARD_HEIGHT-1-deadRanks-zone ); } void @@ -7565,6 +7604,20 @@ LeftClick (ClickType clickType, int xPix, int yPix) x = BOARD_WIDTH - 1 - x; } + // map clicks in offsetted holdings back to true coords (or switch the offset) + if(x == BOARD_RGHT+1) { + if(handOffsets & 1) { + if(y == 0) { handOffsets &= ~1; DrawPosition(TRUE, boards[currentMove]); return; } + y += handSize - BOARD_HEIGHT; + } else if(y == BOARD_HEIGHT-1) { handOffsets |= 1; DrawPosition(TRUE, boards[currentMove]); return; } + } + if(x == BOARD_LEFT-2) { + if(!(handOffsets & 2)) { + if(y == 0) { handOffsets |= 2; DrawPosition(TRUE, boards[currentMove]); return; } + y += handSize - BOARD_HEIGHT; + } else if(y == BOARD_HEIGHT-1) { handOffsets &= ~2; DrawPosition(TRUE, boards[currentMove]); return; } + } + if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) { static int dummy; RightClick(clickType, xPix, yPix, &dummy, &dummy); @@ -7880,8 +7933,8 @@ LeftClick (ClickType clickType, int xPix, int yPix) if(x == BOARD_LEFT-2 && piece >= BlackPawn) { n = PieceToNumber(piece - (int)BlackPawn); if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; } - boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece; - boards[currentMove][BOARD_HEIGHT-1 - n][1]++; + boards[currentMove][handSize-1 - n][0] = piece; + boards[currentMove][handSize-1 - n][1]++; } else if(x == BOARD_RGHT+1 && piece < BlackPawn) { n = PieceToNumber(piece); @@ -9151,7 +9204,8 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h while(message[s] && message[s++] != ' '); if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand || dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant - if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings +// if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings + if(hand > h) handSize = hand; else handSize = h; appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand; if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant InitPosition(1); // calls InitDrawingSizes to let new parameters take effect @@ -10030,7 +10084,7 @@ void ParseGameHistory (char *game) { ChessMove moveType; - int fromX, fromY, toX, toY, boardIndex; + int fromX, fromY, toX, toY, boardIndex, mask; char promoChar; char *p, *q; char buf[MSG_SIZ]; @@ -10191,15 +10245,18 @@ ParseGameHistory (char *game) strcat(moveList[boardIndex], "\n"); boardIndex++; ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]); + mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00); switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) { case MT_NONE: case MT_STALEMATE: default: break; case MT_CHECK: - if(!IS_SHOGI(gameInfo.variant)) - strcat(parseList[boardIndex - 1], "+"); - break; + if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101; + if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) { + if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+"); + break; + } case MT_CHECKMATE: case MT_STAINMATE: strcat(parseList[boardIndex - 1], "#"); @@ -10220,9 +10277,9 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) /* 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]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_FILE],lastRank = board[LAST_RANK]; + oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8; board[EP_STATUS] = EP_NONE; - board[EP_FILE] = board[EP_RANK] = board[LAST_FILE] = board[LAST_RANK] = 100; + board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040; if (fromY == DROP_RANK) { /* must be first */ @@ -10278,7 +10335,7 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) if(toX fromX) board[EP_STATUS] = toX; - board[LAST_FILE] = toX; board[LAST_RANK] = toY; + board[LAST_TO] = toX + 256*toY; } } else if( pawn == BlackPawn ) { @@ -10292,7 +10349,7 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) if(toX fromX) board[EP_STATUS] = toX; - board[LAST_FILE] = toX; board[LAST_RANK] = toY; + board[LAST_TO] = toX + 256*toY; } } @@ -10505,10 +10562,10 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) p -= (int)BlackPawn; p = PieceToNumber((ChessSquare)p); if(p >= gameInfo.holdingsSize) p = 0; - if(--board[BOARD_HEIGHT-1-p][1] <= 0) - board[BOARD_HEIGHT-1-p][0] = EmptySquare; - if((int)board[BOARD_HEIGHT-1-p][1] < 0) - board[BOARD_HEIGHT-1-p][1] = 0; + if(--board[handSize-1-p][1] <= 0) + board[handSize-1-p][0] = EmptySquare; + if((int)board[handSize-1-p][1] < 0) + board[handSize-1-p][1] = 0; } } if (captured != EmptySquare && gameInfo.holdingsSize > 0 @@ -10538,8 +10595,8 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) } p = PieceToNumber((ChessSquare)p); if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; } - board[BOARD_HEIGHT-1-p][1]++; - board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured; + board[handSize-1-p][1]++; + board[handSize-1-p][0] = WHITE_TO_BLACK captured; } } } else if (gameInfo.variant == VariantAtomic) { @@ -10579,8 +10636,8 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) if(!--board[k][BOARD_WIDTH-2]) board[k][BOARD_WIDTH-1] = EmptySquare; } else { - if(!--board[BOARD_HEIGHT-1-k][1]) - board[BOARD_HEIGHT-1-k][0] = EmptySquare; + if(!--board[handSize-1-k][1]) + board[handSize-1-k][0] = EmptySquare; } } } @@ -10589,7 +10646,7 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) void MakeMove (int fromX, int fromY, int toX, int toY, int promoChar) { - int x = toX, y = toY; + int x = toX, y = toY, mask; char *s = parseList[forwardMostMove]; ChessSquare p = boards[forwardMostMove][toY][toX]; // forwardMostMove++; // [HGM] bare: moved downstream @@ -10685,15 +10742,18 @@ MakeMove (int fromX, int fromY, int toX, int toY, int promoChar) } CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[forwardMostMove - 1]); + mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00); switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) { case MT_NONE: case MT_STALEMATE: default: break; case MT_CHECK: - if(!IS_SHOGI(gameInfo.variant)) - strcat(parseList[forwardMostMove - 1], "+"); - break; + if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101; + if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) { + if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+"); + break; + } case MT_CHECKMATE: case MT_STAINMATE: strcat(parseList[forwardMostMove - 1], "#"); @@ -11274,9 +11334,9 @@ void SaveEngineSettings (int n) { int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings; - if(!currentEngine[n] || !currentEngine[n][0]) return; // no engine from list is loaded + if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded p = strstr(firstChessProgramNames, currentEngine[n]); - if(!p) return; // sanity check; engine could be deleted from list after loading + if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading optionSettings = ResendOptions(n ? &second : &first, FALSE); len = strlen(currentEngine[n]); q = p + len; *p = 0; // cut list into head and tail piece @@ -11343,6 +11403,7 @@ GetEngineLine (char *s, int n) if(n == 1) SwapEngines(n); ParseArgsFromString(buf); if(n == 1) SwapEngines(n); + if(n < 2) { ASSIGN(currentEngine[n], command[i]); } if(n == 0 && *appData.secondChessProgram == NULLCHAR) { SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog) ParseArgsFromString(buf); @@ -12089,6 +12150,7 @@ Reset (int redraw, int init) } pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves deadRanks = 0; // assume entire board is used + handSize = 0; for(i=0; i= BOARD_RGHT) { if(x == BOARD_LEFT-2) { - if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break; + if(y < handSize-1-gameInfo.holdingsSize) break; boards[0][y][1] = 0; } else if(x == BOARD_RGHT+1) { @@ -15702,8 +15764,8 @@ EditPositionMenuEvent (ChessSquare selection, int x, int y) if(x == BOARD_LEFT-2 && selection >= BlackPawn) { n = PieceToNumber(selection - BlackPawn); if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; } - boards[0][BOARD_HEIGHT-1-n][0] = selection; - boards[0][BOARD_HEIGHT-1-n][1]++; + boards[0][handSize-1-n][0] = selection; + boards[0][handSize-1-n][1]++; } else if(x == BOARD_RGHT+1 && selection < BlackPawn) { n = PieceToNumber(selection); @@ -18324,9 +18386,9 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) *p++ = PieceToChar(piece); } for(i=0; i fromY + 1) && + boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) ) { /* 2-square pawn move just happened */ - *p++ = toX + AAA; - *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3'; + *p++ = (3*toX + 5*fromX + 4)/8 + AAA; + *p++ = (3*toY + 5*fromY + 4)/8 + ONE; + if(gameInfo.variant == VariantBerolina) { + *p++ = toX + AAA; + *p++ = toY + ONE; + } } else { *p++ = '-'; } @@ -18459,6 +18523,12 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) } } + i = boards[move][CHECK_COUNT]; + if(i) { + sprintf(p, "%d+%d ", i&255, i>>8); + while(*p) p++; + } + if(moveCounts) { int i = 0, j=move; @@ -18572,7 +18642,7 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) /* [HGM] by default clear Crazyhouse holdings, if present */ if(gameInfo.holdingsWidth) { - for(i=0; i= gameInfo.holdingsSize ) return FALSE; - board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */ - board[BOARD_HEIGHT-1-i][1]++; /* black counts */ + board[handSize-1-i][0] = piece; /* black holdings */ + board[handSize-1-i][1]++; /* black counts */ bcnt++; } else { i = (int)piece - (int)WhitePawn; @@ -18623,9 +18693,9 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) if(board[BOARD_HEIGHT-1][j] == ClearBoard) { if(!bcnt) return FALSE; if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible - for(k=0, m=n; k= BOARD_RGHT) return TRUE; - if(*p >= '0' && *p <='9') p++; - board[EP_STATUS] = c; + int d, r, c = *p - AAA; + + if(c >= BOARD_LEFT && c < BOARD_RGHT) { + p++; + board[EP_STATUS] = board[EP_FILE] = c; r = 0; + if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE; + d = (r < BOARD_HEIGHT << 1 ? 1 : -1); // assume double-push (P next to e.p. square nearer center) + if(board[r+d][c] == EmptySquare) d *= 2; // but if no Pawn there, triple push + board[LAST_TO] = 256*(r + d) + c; + c = *p++ - AAA; + if(c >= BOARD_LEFT && c < BOARD_RGHT) { // mover explicitly mentioned + if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE; + board[LAST_TO] = 256*r + c; + if(!(board[EP_RANK]-r & 1)) board[EP_RANK] |= 128; + } + } } } + while(*p == ' ') p++; + + board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field + if(sscanf(p, "%d+%d", &i, &j) == 2) { + board[CHECK_COUNT] = i + 256*j; + while(*p && *p != ' ') p++; + } - if(sscanf(p, "%d", &i) == 1) { + c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k); + if(c > 0) { FENrulePlies = i; /* 50-move ply counter */ /* (The move number is still ignored) */ + if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count } return TRUE;