X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=358e04028b7b3d4d08aac5c0e8c88b0923b6699f;hb=efab60384cfd7e6fd55040a310d38a35ac766334;hp=9b60f388c8e0c0455f334edc6f7f083fd93f2aad;hpb=ee4ddd563d4ed12d520ecdd2914b553d52345600;p=xboard.git diff --git a/backend.c b/backend.c index 9b60f38..358e040 100644 --- a/backend.c +++ b/backend.c @@ -1351,6 +1351,19 @@ establish() } } +void EscapeExpand(char *p, char *q) +{ // [HGM] initstring: routine to shape up string arguments + while(*p++ = *q++) if(p[-1] == '\\') + switch(*q++) { + case 'n': p[-1] = '\n'; break; + case 'r': p[-1] = '\r'; break; + case 't': p[-1] = '\t'; break; + case '\\': p[-1] = '\\'; break; + case 0: *p = 0; return; + default: p[-1] = q[-1]; break; + } +} + void show_bytes(fp, buf, count) FILE *fp; @@ -6253,7 +6266,7 @@ void LeftClick(ClickType clickType, int xPix, int yPix) { int x, y; Boolean saveAnimate; - static int second = 0, promotionChoice = 0; + static int second = 0, promotionChoice = 0, dragging = 0; char promoChoice = NULLCHAR; if(appData.seekGraph && appData.icsActive && loggedOn && @@ -6313,11 +6326,14 @@ void LeftClick(ClickType clickType, int xPix, int yPix) fromY = y; second = 0; MarkTargetSquares(0); - DragPieceBegin(xPix, yPix); + DragPieceBegin(xPix, yPix); dragging = 1; if (appData.highlightDragging) { SetHighlights(x, y, -1, -1); } } + } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press + DragPieceEnd(xPix, yPix); dragging = 0; + DrawPosition(FALSE, NULL); } return; } @@ -6354,7 +6370,7 @@ void LeftClick(ClickType clickType, int xPix, int yPix) } if (OKToStartUserMove(x, y)) { fromX = x; - fromY = y; + fromY = y; dragging = 1; MarkTargetSquares(0); DragPieceBegin(xPix, yPix); } @@ -6366,7 +6382,7 @@ void LeftClick(ClickType clickType, int xPix, int yPix) } if (clickType == Release && x == fromX && y == fromY) { - DragPieceEnd(xPix, yPix); + DragPieceEnd(xPix, yPix); dragging = 0; if (appData.animateDragging) { /* Undo animation damage if any */ DrawPosition(FALSE, NULL); @@ -6404,7 +6420,7 @@ void LeftClick(ClickType clickType, int xPix, int yPix) } else { ClearHighlights(); } - DragPieceEnd(xPix, yPix); + DragPieceEnd(xPix, yPix); dragging = 0; /* Don't animate move and drag both */ appData.animate = FALSE; } @@ -6624,8 +6640,10 @@ Adjudicate(ChessProgramState *cps) case BlackRook: NrBR++; break; case WhiteQueen: + case WhiteCannon: NrWQ++; break; case BlackQueen: + case BlackCannon: NrBQ++; break; case EmptySquare: break; @@ -6747,7 +6765,10 @@ Adjudicate(ChessProgramState *cps) if( NrPieces == 2 || gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 || - NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color + NrPieces == NrBB+NrWB+2 && bishopsColor != 3) // [HGM] all Bishops (Ferz!) same color + || gameInfo.variant == VariantXiangqi && + (NrPieces == 3 && (NrWQ==1 && NrWB==0 && NrBB<2 || NrBQ==1 && NrBB==0 && NrWB<2) || + NrPieces == 4 && NrWQ==1 && NrBQ==1 && NrWB==0 && NrBB==0)) { /* KBK, KNK, KK of KBKB with like Bishops */ /* always flag draws, for judging claims */ @@ -6772,7 +6793,7 @@ Adjudicate(ChessProgramState *cps) || NrWN==2 || NrBN==2 /* KNNK */ || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */ ) ) { - if(canAdjudicate && --moveCount < 0 && appData.trivialDraws) + if(--moveCount < 0 && appData.trivialDraws && canAdjudicate) { /* if the first 3 moves do not show a tactical win, declare draw */ if(engineOpponent) { SendToProgram("force\n", engineOpponent); // suppress reply @@ -6823,14 +6844,11 @@ Adjudicate(ChessProgramState *cps) boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] ) rights++; } - if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2 + if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate && appData.drawRepeats > 1) { /* adjudicate after user-specified nr of repeats */ - if(engineOpponent) { - SendToProgram("force\n", engineOpponent); // suppress reply - SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */ - } - ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/ + int result = GameIsDrawn; + char *details = "XBoard adjudication: repetition draw"; if(gameInfo.variant == VariantXiangqi && appData.testLegality) { // [HGM] xiangqi: check for forbidden perpetuals int m, ourPerpetual = 1, hisPerpetual = 1; @@ -6843,27 +6861,31 @@ Adjudicate(ChessProgramState *cps) if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n", ourPerpetual, hisPerpetual); if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit - GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, - "Xboard adjudication: perpetual checking", GE_XBOARD ); - return 1; - } - if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet + result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; + details = "Xboard adjudication: perpetual checking"; + } else + if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet break; // (or we would have caught him before). Abort repetition-checking loop. + } else // Now check for perpetual chases if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase hisPerpetual = PerpetualChase(k, forwardMostMove); ourPerpetual = PerpetualChase(k+1, forwardMostMove); if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit - GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins, - "Xboard adjudication: perpetual chasing", GE_XBOARD ); - return 1; - } + result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; + details = "Xboard adjudication: perpetual chasing"; + } else if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet break; // Abort repetition-checking loop. } // if neither of us is checking or chasing all the time, or both are, it is draw } - GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD ); + if(engineOpponent) { + SendToProgram("force\n", engineOpponent); // suppress reply + SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */ + } + ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/ + GameEnds( result, details, GE_XBOARD ); return 1; } if( rights == 0 && count > 1 ) /* occurred 2 or more times before */ @@ -6880,6 +6902,17 @@ Adjudicate(ChessProgramState *cps) if( count == backwardMostMove ) count -= initialRulePlies; count = forwardMostMove - count; + if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) { + // adjust reversible move counter for checks in Xiangqi + int i = forwardMostMove - count, inCheck = 0, lastCheck; + if(i < backwardMostMove) i = backwardMostMove; + while(i <= forwardMostMove) { + lastCheck = inCheck; // check evasion does not count + inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK); + if(inCheck || lastCheck) count--; // check does not count + i++; + } + } if( count >= 100) boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW; /* this is used to judge if draw claims are legal */ @@ -6948,8 +6981,7 @@ char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial) // after a book hit we never send 'go', and the code after the call to this routine // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove'). char buf[MSG_SIZ]; - if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :( - sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it + sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it SendToProgram(buf, cps); if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go' } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine @@ -7166,6 +7198,11 @@ FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book h strcat(machineMove, "\n"); strcpy(moveList[forwardMostMove], machineMove); + /* [AS] Save move info*/ + pvInfoList[ forwardMostMove ].score = programStats.score; + pvInfoList[ forwardMostMove ].depth = programStats.depth; + pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats + MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/ /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */ @@ -7225,10 +7262,7 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats. } #endif - /* [AS] Save move info and clear stats for next move */ - pvInfoList[ forwardMostMove-1 ].score = programStats.score; - pvInfoList[ forwardMostMove-1 ].depth = programStats.depth; - pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats + /* [AS] Clear stats for next move */ ClearProgramStats(); thinkOutput[0] = NULLCHAR; hiddenThinkOutputState = 0; @@ -7334,11 +7368,13 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats. * Look for communication commands */ if (!strncmp(message, "telluser ", 9)) { + EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box DisplayNote(message + 9); return; } if (!strncmp(message, "tellusererror ", 14)) { cps->userError = 1; + EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box DisplayError(message + 14, 0); return; } @@ -7792,6 +7828,7 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats. } if (!ignore) { + ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines buf1[0] = NULLCHAR; if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n", &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) { @@ -7813,11 +7850,11 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats. } - programStats.depth = plylev; - programStats.nodes = nodes; - programStats.time = time; - programStats.score = curscore; - programStats.got_only_move = 0; + tempStats.depth = plylev; + tempStats.nodes = nodes; + tempStats.time = time; + tempStats.score = curscore; + tempStats.got_only_move = 0; if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */ int ticklen; @@ -7834,31 +7871,34 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats. /* Buffer overflow protection */ if (buf1[0] != NULLCHAR) { - if (strlen(buf1) >= sizeof(programStats.movelist) + if (strlen(buf1) >= sizeof(tempStats.movelist) && appData.debugMode) { fprintf(debugFP, "PV is too long; using the first %u bytes.\n", - (unsigned) sizeof(programStats.movelist) - 1); + (unsigned) sizeof(tempStats.movelist) - 1); } - safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) ); + safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) ); } else { - sprintf(programStats.movelist, " no PV\n"); + sprintf(tempStats.movelist, " no PV\n"); } - if (programStats.seen_stat) { - programStats.ok_to_send = 1; + if (tempStats.seen_stat) { + tempStats.ok_to_send = 1; } - if (strchr(programStats.movelist, '(') != NULL) { - programStats.line_is_book = 1; - programStats.nr_moves = 0; - programStats.moves_left = 0; + if (strchr(tempStats.movelist, '(') != NULL) { + tempStats.line_is_book = 1; + tempStats.nr_moves = 0; + tempStats.moves_left = 0; } else { - programStats.line_is_book = 0; + tempStats.line_is_book = 0; } - SendProgramStatsToFrontend( cps, &programStats ); + if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0) + programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line + + SendProgramStatsToFrontend( cps, &tempStats ); /* [AS] Protect the thinkOutput buffer from overflow... this @@ -8557,7 +8597,7 @@ MakeMove(fromX, fromY, toX, toY, promoChar) if( (boards[forwardMostMove][fromY][fromX] == WhitePawn || boards[forwardMostMove][fromY][fromX] == BlackPawn ) && boards[forwardMostMove][toY][toX] == EmptySquare - && fromX != toX ) + && fromX != toX && fromY != toY) fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY); // promotion suffix if(promoChar != NULLCHAR) @@ -10148,6 +10188,7 @@ LoadGame(f, gameNumber, title, useList) /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */ if(gameInfo.variant != oldVariant) { 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); oldVariant = gameInfo.variant; if (appData.debugMode) @@ -13763,7 +13804,6 @@ ParseFeatures(args, cps) } continue; } - if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue; /* End of additions by HGM */ /* unknown feature: complain and skip */