X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=cb564b42810a15433c14541af23d4cdebe8b27e3;hb=7dd2dda538db6438283c4a92c24080b0bb122230;hp=fe70fd2be192d2395d5e9333b48e42584b371759;hpb=52b7a0dbc7bd4926fed4cbf668953a97cd5e8937;p=xboard.git diff --git a/backend.c b/backend.c index fe70fd2..cb564b4 100644 --- a/backend.c +++ b/backend.c @@ -848,7 +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; @@ -1202,7 +1202,7 @@ InitBackEnd1 () return; case VariantNormal: /* definitely works! */ - if(strcmp(appData.variant, "normal") && appData.chessProgram) { // [HGM] hope this is an engine-defined variant + if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant safeStrCpy(engineVariant, appData.variant, MSG_SIZ); return; } @@ -2108,14 +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++ != '_'); } @@ -2125,7 +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; @@ -6551,7 +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) { @@ -8908,6 +8908,7 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h /* 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; @@ -9888,7 +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 */ @@ -10009,15 +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 @@ -10056,15 +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) { @@ -12857,7 +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); @@ -12876,6 +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); @@ -17870,7 +17877,7 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) q = (boards[move][CASTLING][1] == BOARD_LEFT && boards[move][CASTLING][2] != NoRights ); 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 && j; i--) + 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'; } @@ -17881,7 +17888,7 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts) q = (boards[move][CASTLING][4] == BOARD_LEFT && boards[move][CASTLING][5] != NoRights ); if(handB) { - for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--) + 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; }