X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=cb564b42810a15433c14541af23d4cdebe8b27e3;hb=7dd2dda538db6438283c4a92c24080b0bb122230;hp=e37d1ebe6ac2ee645e74b33698528ae5f217512d;hpb=2827780f4ce2a51ac7f5ea1a85040682597de2a2;p=xboard.git diff --git a/backend.c b/backend.c index e37d1eb..cb564b4 100644 --- a/backend.c +++ b/backend.c @@ -295,6 +295,7 @@ ChessSquare promoSweep = EmptySquare, defaultPromoChoice; int promoDefaultAltered; int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */ static int initPing = -1; +int border; /* [HGM] width of board rim, needed to size seek graph */ /* States for ics_getting_history */ #define H_FALSE 0 @@ -847,7 +848,7 @@ InitEngine (ChessProgramState *cps, int n) if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ); TidyProgramName(cps->program, cps->host, cps->tidy); cps->matchWins = 0; - ASSIGN(cps->variants, appData.variant); + ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant); cps->analysisSupport = 2; /* detect */ cps->analyzing = FALSE; cps->initDone = FALSE; @@ -1200,6 +1201,11 @@ InitBackEnd1 () DisplayFatalError(buf, 0, 2); return; + case VariantNormal: /* definitely works! */ + if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant + safeStrCpy(engineVariant, appData.variant, MSG_SIZ); + return; + } case VariantXiangqi: /* [HGM] repetition rules not implemented */ case VariantFairy: /* [HGM] TestLegality definitely off! */ case VariantGothic: /* [HGM] should work */ @@ -1212,7 +1218,6 @@ InitBackEnd1 () case VariantFalcon: /* [HGM] untested */ case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!) offboard interposition not understood */ - case VariantNormal: /* definitely works! */ case VariantWildCastle: /* pieces not automatically shuffled */ case VariantNoCastle: /* pieces not automatically shuffled */ case VariantFischeRandom: /* [HGM] works and shuffles pieces */ @@ -2103,14 +2108,14 @@ StringToVariant (char *e) int wnum = -1; VariantClass v = VariantNormal; int i, found = FALSE; - char buf[MSG_SIZ]; + char buf[MSG_SIZ], c; int len; if (!e) return v; /* [HGM] skip over optional board-size prefixes */ - if( sscanf(e, "%dx%d_", &i, &i) == 2 || - sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) { + if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 || + sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) { while( *e++ != '_'); } @@ -2120,7 +2125,7 @@ StringToVariant (char *e) } else for (i=0; i= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue; + if(p && i >= VariantShogi && (p != e || isalpha(p[strlen(variantNames[i])]))) continue; v = (VariantClass) i; found = TRUE; break; @@ -2716,8 +2721,8 @@ DrawSeekGraph () { int i; if(!seekGraphUp) return FALSE; - h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap; - w = BOARD_WIDTH * (squareSize + lineGap) + lineGap; + h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border; + w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border; DrawSeekBackground(0, 0, w, h); DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin); @@ -5323,6 +5328,7 @@ UploadGameEvent () } int killX = -1, killY = -1; // [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]) @@ -6102,7 +6108,7 @@ InitPosition (int redraw) case VariantFalcon: pieces = FalconArray; gameInfo.boardWidth = 10; - SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk"); + SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk"); break; case VariantXiangqi: pieces = XiangqiArray; @@ -6545,7 +6551,7 @@ HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, i 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) { @@ -6985,7 +6991,7 @@ UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar) // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings - while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++; + while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++; fromY = DROP_RANK; } @@ -7258,7 +7264,7 @@ Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VO { typedef char Markers[BOARD_RANKS][BOARD_FILES]; Markers *m = (Markers *) closure; - if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2)) + if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2)) (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare || kind == WhiteCapturesEnPassant || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1; @@ -8872,7 +8878,6 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf); ASSIGN(appData.pieceToCharTable, buf); } - if(startedFromSetupPosition) return; dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName); if(dummy >= 3) { while(message[s] && message[s++] != ' '); @@ -8882,19 +8887,29 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h 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 + startedFromSetupPosition = FALSE; } } + if(startedFromSetupPosition) return; ParseFEN(boards[0], &dummy, message+s, FALSE); DrawPosition(TRUE, boards[0]); + CopyBoard(initialPosition, boards[0]); startedFromSetupPosition = TRUE; return; } if(sscanf(message, "piece %s %s", buf2, buf1) == 2) { ChessSquare piece = WhitePawn; char *p=buf2; - if(cps != &first || appData.testLegality) return; if(*p == '+') piece = CHUPROMOTED WhitePawn, p++; piece += CharToPiece(*p) - WhitePawn; + if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR + /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon + /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra + /* For variants we don't have */ && gameInfo.variant != VariantBerolina + /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder + /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown + && gameInfo.variant != VariantGreat + && gameInfo.variant != VariantFairy ) return; if(piece < EmptySquare) { pieceDefs = TRUE; ASSIGN(pieceDesc[piece], buf1); @@ -9874,7 +9889,7 @@ 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, king; int p, rookX, oldEP = EP_NONE, 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 */ @@ -9970,6 +9985,7 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */ if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook || board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) { + board[EP_STATUS] = EP_NONE; // capture was fake! board[fromY][fromX] = EmptySquare; board[toY][toX] = EmptySquare; if((toX > fromX) != (piece == WhiteRook)) { @@ -9979,6 +9995,7 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) } } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook || board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) { + board[EP_STATUS] = EP_NONE; board[fromY][fromX] = EmptySquare; board[toY][toX] = EmptySquare; if((toX > fromX) != (piece == BlackRook)) { @@ -9993,15 +10010,17 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) && toY == fromY && toX > fromX+1) { board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX-1] = board[fromY][BOARD_RGHT-1]; - board[fromY][BOARD_RGHT-1] = EmptySquare; + for(rookX=BOARD_RGHT-1; board[toY][rookX] == DarkSquare && rookX > toX + 1; rookX--); + board[toY][toX-1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; } else if (board[fromY][fromX] == king && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */ && toY == fromY && toX < fromX-1) { board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX+1] = board[fromY][BOARD_LEFT]; - board[fromY][BOARD_LEFT] = EmptySquare; + for(rookX=BOARD_LEFT; board[toY][rookX] == DarkSquare && rookX < toX - 1; rookX++); + board[toY][toX+1] = board[fromY][rookX]; + board[fromY][rookX] = 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 @@ -10040,15 +10059,17 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) && toY == fromY && toX > fromX+1) { board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX-1] = board[fromY][BOARD_RGHT-1]; - board[fromY][BOARD_RGHT-1] = EmptySquare; + for(rookX=BOARD_RGHT-1; board[toY][rookX] == DarkSquare && rookX > toX + 1; rookX--); + board[toY][toX-1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; } else if (board[fromY][fromX] == king && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */ && toY == fromY && toX < fromX-1) { board[fromY][fromX] = EmptySquare; board[toY][toX] = king; - board[toY][toX+1] = board[fromY][BOARD_LEFT]; - board[fromY][BOARD_LEFT] = EmptySquare; + for(rookX=BOARD_LEFT; board[toY][rookX] == DarkSquare && rookX < toX - 1; rookX++); + board[toY][toX+1] = board[fromY][rookX]; + board[fromY][rookX] = EmptySquare; } else if (fromY == 7 && fromX == 3 && board[fromY][fromX] == BlackKing && toY == 7 && toX == 5) { @@ -10142,8 +10163,8 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) p = (int) captured; if (p >= (int) BlackPawn) { p -= (int)BlackPawn; - if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) { - /* in Shogi restore piece to its original first */ + if(DEMOTED p >= 0 && PieceToChar(p) == '+') { + /* Restore shogi-promoted piece to its original first */ captured = (ChessSquare) (DEMOTED captured); p = DEMOTED p; } @@ -10153,7 +10174,7 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board) board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured; } else { p -= (int)WhitePawn; - if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) { + if(DEMOTED p >= 0 && PieceToChar(p) == '+') { captured = (ChessSquare) (DEMOTED captured); p = DEMOTED p; } @@ -10481,7 +10502,19 @@ InitChessProgram (ChessProgramState *cps, int setup) b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy); if (b == NULL) { - DisplayFatalError(variantError, 0, 1); + VariantClass v; + char c, *q = cps->variants, *p = strchr(q, ','); + if(p) *p = NULLCHAR; + v = StringToVariant(q); + DisplayError(variantError, 0); + if(v != VariantUnknown && cps == &first) { + int w, h, s; + if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any) + appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1; + ASSIGN(appData.variant, q); + Reset(TRUE, FALSE); + } + if(p) *p = ','; return; } @@ -12829,7 +12862,7 @@ LoadGame (FILE *f, int gameNumber, char *title, int useList) if (!err) numPGNTags++; /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */ - if(gameInfo.variant != oldVariant) { + if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) { startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */ ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-( InitPosition(TRUE); @@ -12848,6 +12881,8 @@ LoadGame (FILE *f, int gameNumber, char *title, int useList) return FALSE; } CopyBoard(boards[0], initial_position); + if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position + CopyBoard(initialPosition, initial_position); if (blackPlaysFirst) { currentMove = forwardMostMove = backwardMostMove = 1; CopyBoard(boards[1], initial_position); @@ -14640,8 +14675,10 @@ TwoMachinesEvent P((void)) if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) { - startingEngine = FALSE; + startingEngine = matchMode = FALSE; DisplayError("second engine does not play this", 0); + gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked + EditGameEvent(); // switch back to EditGame mode return; } @@ -15048,6 +15085,8 @@ EditPositionMenuEvent (ChessSquare selection, int x, int y) switch (selection) { case ClearBoard: + fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress + MarkTargetSquares(1); CopyBoard(currentBoard, boards[0]); CopyBoard(menuBoard, initialPosition); if (gameMode == IcsExamining && ics_type == ICS_FICS) { @@ -15499,6 +15538,7 @@ ForwardInner (int target) seekGraphUp = FALSE; MarkTargetSquares(1); + fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress if (gameMode == PlayFromGameFile && !pausing) PauseEvent(); @@ -15617,6 +15657,7 @@ BackwardInner (int target) if (gameMode == EditPosition) return; seekGraphUp = FALSE; MarkTargetSquares(1); + fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress if (currentMove <= backwardMostMove) { ClearHighlights(); DrawPosition(full_redraw, boards[currentMove]); @@ -17796,8 +17837,17 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p; } else { if(nrCastlingRights) { + int handW=0, handB=0; + if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed + for(i=0; i=BOARD_LEFT; i--) + if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a'; + } else { /* [HGM] write directly from rights */ if(boards[move][CASTLING][2] != NoRights && boards[move][CASTLING][0] != NoRights ) @@ -17805,12 +17855,18 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) if(boards[move][CASTLING][2] != NoRights && boards[move][CASTLING][1] != NoRights ) *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a'; + } + if(handB) { + for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) + if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA; + } else { if(boards[move][CASTLING][5] != NoRights && boards[move][CASTLING][3] != NoRights ) *p++ = boards[move][CASTLING][3] + AAA; if(boards[move][CASTLING][5] != NoRights && boards[move][CASTLING][4] != NoRights ) *p++ = boards[move][CASTLING][4] + AAA; + } } else { /* [HGM] write true castling rights */ @@ -17820,9 +17876,8 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K'; q = (boards[move][CASTLING][1] == BOARD_LEFT && boards[move][CASTLING][2] != NoRights ); - if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces - for(i=j=0; i=BOARD_LEFT+q && j; i--) + if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q + for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--) if((boards[move][0][i] != WhiteKing || k+q == 0) && boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a'; } @@ -17832,9 +17887,8 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k'; q = (boards[move][CASTLING][4] == BOARD_LEFT && boards[move][CASTLING][5] != NoRights ); - if(gameInfo.variant == VariantSChess) { - for(i=j=0; i=BOARD_LEFT+q && j; i--) + if(handB) { + for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--) if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) && boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA; }