X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=295b6001ec30e8a252404e928499145998b904d0;hb=ba12e63149a003b88b8525d6eb50d48539c660b6;hp=e68b3af7347dec3a490729c8391f3a662ad54580;hpb=dd94bfa89dd6dd1238c3f7063e532ab3ed2d0858;p=xboard.git diff --git a/backend.c b/backend.c index e68b3af..295b600 100644 --- a/backend.c +++ b/backend.c @@ -5141,10 +5141,17 @@ SendMoveToProgram (int moveNum, ChessProgramState *cps) else SendToProgram(moveList[moveNum], cps); } else if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square - snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves - moveList[moveNum][5], moveList[moveNum][6] - '0', - moveList[moveNum][5], moveList[moveNum][6] - '0', - moveList[moveNum][2], moveList[moveNum][3] - '0'); + char *m = moveList[moveNum]; + if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling + snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves + m[2], m[3] - '0', + m[5], m[6] - '0', + m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0'); + else + snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves + m[5], m[6] - '0', + m[5], m[6] - '0', + m[2], m[3] - '0'); SendToProgram(buf, cps); } else if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed @@ -5327,11 +5334,11 @@ UploadGameEvent () SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n"); } -int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove +int killX = -1, killY = -1, kill2X, kill2Y; // [HGM] lion: used for passing e.p. capture square to MakeMove int legNr = 1; void -CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7]) +CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9]) { if (rf == DROP_RANK) { if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass @@ -5341,7 +5348,10 @@ CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char if (promoChar == 'x' || promoChar == NULLCHAR) { sprintf(move, "%c%c%c%c\n", AAA + ff, ONE + rf, AAA + ft, ONE + rt); - if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY); + if(killX >= 0 && killY >= 0) { + sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY); + if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY); + } } else { sprintf(move, "%c%c%c%c%c\n", AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar); @@ -5392,8 +5402,8 @@ Sweep (int 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; + else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn; + else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing; if(!step) step = -1; } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn || !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other @@ -5520,6 +5530,12 @@ ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fro case BlackASideCastleFR: /* End of code added by Tord */ case IllegalMove: /* bug or odd chess variant */ + if(currentMoveString[1] == '@') { // illegal drop + *fromX = WhiteOnMove(moveNum) ? + (int) CharToPiece(ToUpper(currentMoveString[0])) : + (int) CharToPiece(ToLower(currentMoveString[0])); + goto drop; + } *fromX = currentMoveString[0] - AAA; *fromY = currentMoveString[1] - ONE; *toX = currentMoveString[2] - AAA; @@ -5546,6 +5562,7 @@ ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fro *fromX = *moveType == WhiteDrop ? (int) CharToPiece(ToUpper(currentMoveString[0])) : (int) CharToPiece(ToLower(currentMoveString[0])); + drop: *fromY = DROP_RANK; *toX = currentMoveString[2] - AAA; *toY = currentMoveString[3] - ONE; @@ -5933,23 +5950,40 @@ SetUpShuffle (Board board, int number) } int -SetCharTable (char *table, const char * map) +ptclen (const char *s, char *escapes) +{ + int n = 0; + if(!*escapes) return strlen(s); + while(*s) n += (*s != ':' && !strchr(escapes, *s)), s++; + return n; +} + +int +SetCharTableEsc (unsigned char *table, const char * map, char * escapes) /* [HGM] moved here from winboard.c because of its general usefulness */ /* Basically a safe strcpy that uses the last character as King */ { int result = FALSE; int NrPieces; - if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare + if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare && NrPieces >= 12 && !(NrPieces&1)) { - int i; /* [HGM] Accept even length from 12 to 34 */ + int i, j = 0; /* [HGM] Accept even length from 12 to 88 */ for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.'; for( i=0; i= 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) { - promotionZoneSize = BOARD_HEIGHT/3; + } else if(gameInfo.variant == VariantShogi) { + promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8); highestPromotingPiece = (int)WhiteAlfil; } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) { promotionZoneSize = 3; @@ -6950,7 +6990,7 @@ UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar) /* 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) { @@ -7021,6 +7061,7 @@ UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar) if(addToBookFlag) { // adding moves to book char buf[MSG_SIZ], move[MSG_SIZ]; CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move); + if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d", fromX + AAA, fromY + ONE - '0', killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0'); snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move); AddBookMove(buf); addToBookFlag = FALSE; @@ -7325,8 +7366,8 @@ CanPromote (ChessSquare piece, int y) gameInfo.variant == VariantMakruk) 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 @@ -7369,6 +7410,8 @@ void ReportClick(char *action, int x, int y) SendToProgram(buf, &first); } +Boolean right; // instructs front-end to use button-1 events as if they were button 3 + void LeftClick (ClickType clickType, int xPix, int yPix) { @@ -7379,13 +7422,6 @@ LeftClick (ClickType clickType, int xPix, int yPix) ChessSquare piece; static TimeMark lastClickTime, prevClickTime; - if(SeekGraphClick(clickType, xPix, yPix, 0)) return; - - prevClickTime = lastClickTime; GetTimeMark(&lastClickTime); - - if (clickType == Press) ErrorPopDown(); - lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state - x = EventToSquare(xPix, BOARD_WIDTH); y = EventToSquare(yPix, BOARD_HEIGHT); if (!flipView && y >= 0) { @@ -7395,6 +7431,20 @@ LeftClick (ClickType clickType, int xPix, int yPix) x = BOARD_WIDTH - 1 - x; } + if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) { + static int dummy; + RightClick(clickType, xPix, yPix, &dummy, &dummy); + right = TRUE; + return; + } + + if(SeekGraphClick(clickType, xPix, yPix, 0)) return; + + prevClickTime = lastClickTime; GetTimeMark(&lastClickTime); + + if (clickType == Press) ErrorPopDown(); + lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state + if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece defaultPromoChoice = promoSweep; promoSweep = EmptySquare; // terminate sweep @@ -7488,7 +7538,7 @@ LeftClick (ClickType clickType, int xPix, int yPix) return; } } - +printf("to click %d,%d\n",x,y); /* fromX != -1 */ if (clickType == Press && gameMode != EditPosition) { ChessSquare fromP; @@ -7503,6 +7553,7 @@ LeftClick (ClickType clickType, int xPix, int yPix) 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! + marker[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) && @@ -7534,7 +7585,7 @@ LeftClick (ClickType clickType, int xPix, int yPix) else gatingPiece = doubleClick ? fromP : EmptySquare; fromX = x; fromY = y; dragging = 1; - ReportClick("lift", x, y); + if(!second) ReportClick("lift", x, y); MarkTargetSquares(0); DragPieceBegin(xPix, yPix, FALSE); if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) { @@ -7550,8 +7601,14 @@ LeftClick (ClickType clickType, int xPix, int yPix) // ignore clicks on holdings if(x < BOARD_LEFT || x >= BOARD_RGHT) return; } +printf("A type=%d\n",clickType); - if (clickType == Release && x == fromX && y == fromY && killX < 0) { + if(x == fromX && y == fromY && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) { + gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move + return; + } + + if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) { DragPieceEnd(xPix, yPix); dragging = 0; if(clearFlag) { // a deferred attempt to click-click move an empty square on top of a piece @@ -7565,10 +7622,9 @@ LeftClick (ClickType clickType, int xPix, int yPix) /* Undo animation damage if any */ DrawPosition(FALSE, NULL); } - if (second || sweepSelecting) { + if (second) { /* Second up/down in same square; just abort move */ - if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]); - second = sweepSelecting = 0; + second = 0; fromX = fromY = -1; gatingPiece = EmptySquare; MarkTargetSquares(1); @@ -7583,7 +7639,7 @@ LeftClick (ClickType clickType, int xPix, int yPix) } clearFlag = 0; - +printf("B\n"); if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) { if(dragging) DragPieceEnd(xPix, yPix), dragging = 0; @@ -7591,7 +7647,7 @@ LeftClick (ClickType clickType, int xPix, int yPix) DrawPosition(TRUE, NULL); return; // ignore to-click } - +printf("(%d,%d)-(%d,%d) %d %d\n",fromX,fromY,toX,toY,x,y); /* we now have a different from- and (possibly off-board) to-square */ /* Completed move */ if(!sweepSelecting) { @@ -7656,7 +7712,9 @@ LeftClick (ClickType clickType, int xPix, int yPix) 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); - if(x == killX && y == killY) killX = killY = -1; else { + if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill + else { + kill2X = killX; kill2Y = killY; killX = x; killY = y; //remeber this square as intermediate ReportClick("put", x, y); // and inform engine ReportClick("lift", x, y); @@ -7703,7 +7761,9 @@ LeftClick (ClickType clickType, int xPix, int yPix) if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece)); - if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) { + if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion + + if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) { SetHighlights(fromX, fromY, toX, toY); MarkTargetSquares(1); if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) { @@ -8639,17 +8699,23 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h if(cps->alphaRank) AlphaRank(machineMove, 4); // [HGM] lion: (some very limited) support for Alien protocol - killX = killY = -1; + killX = killY = kill2X = kill2Y = -1; if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives return; - } else if(firstLeg[0]) { // there was a previous leg; - // only support case where same piece makes two step (and don't even test that!) + } + if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move) + safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off + safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20); + } + if(firstLeg[0]) { // there was a previous leg; + // only support case where same piece makes two step char buf[20], *p = machineMove+1, *q = buf+1, f; safeStrCpy(buf, machineMove, 20); while(isdigit(*q)) q++; // find start of to-square safeStrCpy(machineMove, firstLeg, 20); - while(isdigit(*p)) p++; + while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove) + if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling) safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global firstLeg[0] = NULLCHAR; @@ -8661,8 +8727,8 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"), machineMove, _(cps->which)); DisplayMoveError(buf1); - snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d", - machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType); + snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d", + machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType); if (gameMode == TwoMachinesPlay) { GameEnds(machineWhite ? BlackWins : WhiteWins, buf1, GE_XBOARD); @@ -8877,7 +8943,7 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h if(appData.icsActive || forwardMostMove != 0 || cps != &first) return; *buf = NULLCHAR; if(sscanf(message, "setup (%s", buf) == 1) { - s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf); + s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES); ASSIGN(appData.pieceToCharTable, buf); } dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName); @@ -8888,7 +8954,7 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book 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 - if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition + if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition startedFromSetupPosition = FALSE; } } @@ -8901,9 +8967,10 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h } if(sscanf(message, "piece %s %s", buf2, buf1) == 2) { ChessSquare piece = WhitePawn; - char *p=buf2; - if(*p == '+') piece = CHUPROMOTED WhitePawn, p++; - piece += CharToPiece(*p) - WhitePawn; + char *p=buf2, *q, *s = SUFFIXES, ID = *p; + if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p; + if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++; + piece += CharToPiece(ID) - WhitePawn; if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra @@ -9038,7 +9105,7 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h return; } if(!strncmp(message, "highlight ", 10)) { - if(appData.testLegality && appData.markers) return; + if(appData.testLegality && !*engineVariant && appData.markers) return; MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares return; } @@ -9891,14 +9958,14 @@ ParseGameHistory (char *game) void 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; + ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; 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; @@ -9913,10 +9980,14 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) // ChessSquare victim; int i; - if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something + 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( kill2X >= 0 && kill2Y >= 0) + killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare; + } if( board[toY][toX] != EmptySquare ) { board[EP_STATUS] = EP_CAPTURE; @@ -9927,15 +9998,18 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) } } - 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; @@ -9944,11 +10018,11 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) 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; @@ -9983,6 +10057,12 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) if(gameInfo.variant == VariantKnightmate) king += (int) WhiteUnicorn - (int) WhiteKing; + if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled + && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples 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 || @@ -10010,17 +10090,19 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) } else if (board[fromY][fromX] == king && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */ && toY == fromY && toX > fromX+1) { + for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece + board[fromY][toX-1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX-1] = board[fromY][BOARD_RGHT-1]; - board[fromY][BOARD_RGHT-1] = EmptySquare; } else if (board[fromY][fromX] == king && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */ && toY == fromY && toX < fromX-1) { + for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece + board[fromY][toX+1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX+1] = board[fromY][BOARD_LEFT]; - board[fromY][BOARD_LEFT] = EmptySquare; } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi || board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere @@ -10035,12 +10117,14 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) && (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 @@ -10057,17 +10141,19 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) } else if (board[fromY][fromX] == king && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */ && toY == fromY && toX > fromX+1) { + for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++); + board[fromY][toX-1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX-1] = board[fromY][BOARD_RGHT-1]; - board[fromY][BOARD_RGHT-1] = EmptySquare; } else if (board[fromY][fromX] == king && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */ && toY == fromY && toX < fromX-1) { + for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); + board[fromY][toX+1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX+1] = board[fromY][BOARD_LEFT]; - board[fromY][BOARD_LEFT] = EmptySquare; } else if (fromY == 7 && fromX == 3 && board[fromY][fromX] == BlackKing && toY == 7 && toX == 5) { @@ -10096,12 +10182,14 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) && (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 @@ -12027,8 +12115,13 @@ LoadGameOneMove (ChessMove readAhead) if (appData.debugMode) fprintf(debugFP, "Parsed %s into IllegalMove %s\n", yy_text, currentMoveString); - fromX = currentMoveString[0] - AAA; - fromY = currentMoveString[1] - ONE; + if(currentMoveString[1] == '@') { + fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0])); + fromY = DROP_RANK; + } else { + fromX = currentMoveString[0] - AAA; + fromY = currentMoveString[1] - ONE; + } toX = currentMoveString[2] - AAA; toY = currentMoveString[3] - ONE; promoChar = currentMoveString[4]; @@ -12645,7 +12738,10 @@ LoadGame (FILE *f, int gameNumber, char *title, int useList) int numPGNTags = 0; int err, pos = -1; GameMode oldGameMode; - VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */ + VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */ + char oldName[MSG_SIZ]; + + safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant; if (appData.debugMode) fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode); @@ -13003,6 +13099,10 @@ LoadGame (FILE *f, int gameNumber, char *title, int useList) StartChessProgram(&first); } InitChessProgram(&first, FALSE); + if(gameInfo.variant == VariantUnknown && *oldName) { + safeStrCpy(engineVariant, oldName, MSG_SIZ); + gameInfo.variant = v; + } SendToProgram("force\n", &first); if (startedFromSetupPosition) { SendBoard(&first, forwardMostMove); @@ -13195,8 +13295,8 @@ LoadPosition (FILE *f, int positionNumber, char *title) DisplayError(_("Position not found in file"), 0); return FALSE; } - // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces - fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare; + // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout) + fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare; if (pn >= 2) { if (fenMode || line[0] == '#') pn--; @@ -15104,7 +15204,7 @@ EditPositionMenuEvent (ChessSquare selection, int x, int y) 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; } @@ -17788,6 +17888,7 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) piece = (ChessSquare)(CHUDEMOTED piece); } *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece)); + if(*p = PieceSuffix(piece)) p++; if(p[-1] == '~') { /* [HGM] flag promoted pieces as '~' (Crazyhouse) */ p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece)); @@ -17957,7 +18058,7 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) Boolean ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) { - int i, j, k, w=0, subst=0, shuffle=0; + int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1; char *p, c; int emptycount, virgin[BOARD_FILES]; ChessSquare piece; @@ -18007,13 +18108,20 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder } else if (*p == '+' || isalpha(*p)) { + char *q, *s = SUFFIXES; if (j >= gameInfo.boardWidth) return FALSE; if(*p=='+') { - piece = CharToPiece(*++p); + char c = *++p; + if(q = strchr(s, p[1])) p++; + piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0)); if(piece == EmptySquare) return FALSE; /* unknown piece */ piece = (ChessSquare) (CHUPROMOTED piece ); p++; if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */ - } else piece = CharToPiece(*p++); + } else { + char c = *p++; + if(q = strchr(s, *p)) p++; + piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0)); + } if(piece==EmptySquare) return FALSE; /* unknown piece */ if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */ @@ -18022,6 +18130,8 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) p++; } board[i][(j++)+gameInfo.holdingsWidth] = piece; + if(piece == WhiteKing) wKingRank = i; + if(piece == BlackKing) bKingRank = i; } else { return FALSE; } @@ -18121,6 +18231,13 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) /* [HGM] We NO LONGER ignore the rest of the FEN notation */ /* return the extra info in global variiables */ + while(*p==' ') p++; + + if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is. + if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank; + if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank; + } + /* set defaults in case FEN is incomplete */ board[EP_STATUS] = EP_UNKNOWN; for(i=0; i> 1; // for these variant scanning fails @@ -18165,7 +18281,7 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights; switch(c) { case'K': - for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--); + for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--); board[CASTLING][0] = i != whiteKingFile ? i : NoRights; board[CASTLING][2] = whiteKingFile; if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W; @@ -18173,7 +18289,7 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1; break; case'Q': - for(i=BOARD_LEFT; i>1|| i != BOARD_LEFT) fischer = 1; break; case'k': - for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--); + for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--); board[CASTLING][3] = i != blackKingFile ? i : NoRights; board[CASTLING][5] = blackKingFile; if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B; @@ -18189,7 +18305,7 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize) if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1; break; case'q': - for(i=BOARD_LEFT; i