X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=a3ce9edf0fc5f073c1c1284a20c6426e15d886a4;hb=48d27c1a58658e51013cca580e37840f54419e13;hp=f0289bc1b6614871dd44f0a08d316c43a147cb86;hpb=6dc1a307d4ec7c6a793865d8a0bee6e48109435e;p=xboard.git diff --git a/backend.c b/backend.c index f0289bc..a3ce9ed 100644 --- a/backend.c +++ b/backend.c @@ -4861,6 +4861,11 @@ SendMoveToProgram(moveNum, cps) { char buf[MSG_SIZ]; + if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') { + // null move in variant where engine does not understand it (for analysis purposes) + SendBoard(cps, moveNum + 1); // send position after move in stead. + return; + } if (cps->useUsermove) { SendToProgram("usermove ", cps); } @@ -4901,6 +4906,7 @@ SendMoveToProgram(moveNum, cps) } else if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move + if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0], moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4); } else @@ -5076,6 +5082,7 @@ CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move) char move[7]; { if (rf == DROP_RANK) { + if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass sprintf(move, "%c@%c%c\n", ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt); } else { @@ -6224,7 +6231,6 @@ OKToStartUserMove(x, y) (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */ switch (gameMode) { - case PlayFromGameFile: case AnalyzeFile: case TwoMachinesPlay: case EndOfGame: @@ -6252,6 +6258,8 @@ OKToStartUserMove(x, y) } break; + case PlayFromGameFile: + if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode case EditGame: if (!white_piece && WhiteOnMove(currentMove)) { DisplayMoveError(_("It is White's turn")); @@ -6295,6 +6303,7 @@ OKToStartUserMove(x, y) } if (currentMove != forwardMostMove && gameMode != AnalyzeMode && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode + && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line && gameMode != AnalyzeFile && gameMode != Training) { DisplayMoveError(_("Displayed position is not current")); return FALSE; @@ -6386,7 +6395,6 @@ UserMoveEvent(fromX, fromY, toX, toY, promoChar) */ switch (gameMode) { - case PlayFromGameFile: case AnalyzeFile: case TwoMachinesPlay: case EndOfGame: @@ -6412,6 +6420,8 @@ UserMoveEvent(fromX, fromY, toX, toY, promoChar) } break; + case PlayFromGameFile: + if(!shiftKey ||!appData.variations) return; // [HGM] only variations case EditGame: case IcsExamining: case BeginningOfGame: @@ -6527,6 +6537,9 @@ UserMoveEvent(fromX, fromY, toX, toY, promoChar) /* [HGM] always test for legality, to get promotion info */ moveType = LegalityTest(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar); + + if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove; + /* [HGM] but possibly ignore an IllegalMove result */ if (appData.testLegality) { if (moveType == IllegalMove || moveType == ImpossibleMove) { @@ -6603,7 +6616,7 @@ FinishMove(moveType, fromX, fromY, toX, toY, promoChar) /* Ok, now we know that the move is good, so we can kill the previous line in Analysis Mode */ - if ((gameMode == AnalyzeMode || gameMode == EditGame) + if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey) && currentMove < forwardMostMove) { if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game else forwardMostMove = currentMove; @@ -6668,6 +6681,9 @@ FinishMove(moveType, fromX, fromY, toX, toY, promoChar) // [HGM] book: if program might be playing, let it use book bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE); first.maybeThinking = TRUE; + } else if(fromY == DROP_RANK && fromX == EmptySquare) { + if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard + SendBoard(&first, currentMove+1); } else SendMoveToProgram(forwardMostMove-1, &first); if (currentMove == cmailOldMove + 1) { cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE; @@ -9006,15 +9022,19 @@ ApplyMove(fromX, fromY, toX, toY, promoChar, board) oldEP = (signed char)board[EP_STATUS]; board[EP_STATUS] = EP_NONE; - if( board[toY][toX] != EmptySquare ) - board[EP_STATUS] = EP_CAPTURE; - if (fromY == DROP_RANK) { /* must be first */ + if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change. + board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible + return; + } piece = board[toY][toX] = (ChessSquare) fromX; } else { int i; + if( board[toY][toX] != EmptySquare ) + board[EP_STATUS] = EP_CAPTURE; + 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 @@ -10445,6 +10465,7 @@ Reset(redraw, init) redraw, init, gameMode); } CleanupTail(); // [HGM] vari: delete any stored variations + CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on pausing = pauseExamInvalid = FALSE; startedFromSetupPosition = blackPlaysFirst = FALSE; firstMove = TRUE; @@ -10552,8 +10573,8 @@ AutoPlayOneMove() if (currentMove >= forwardMostMove) { if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); } - gameMode = EditGame; - ModeHighlight(); +// gameMode = EndOfGame; +// ModeHighlight(); /* [AS] Clear current move marker at the end of a game */ /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */ @@ -11442,8 +11463,6 @@ LoadGame(f, gameNumber, title, useList) if (matchMode || appData.timeDelay == 0) { ToEndEvent(); - gameMode = EditGame; - ModeHighlight(); } else if (appData.timeDelay > 0) { AutoPlayGameLoop(); } @@ -13559,7 +13578,9 @@ ClockClick(int which) if (gameMode == EditPosition || gameMode == IcsExamining) { if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0); SetBlackToPlayEvent(); - } else if (gameMode == EditGame || shiftKey) { + } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) { + UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move + } else if (shiftKey) { AdjustClock(which, -1); } else if (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack) { @@ -13569,7 +13590,9 @@ ClockClick(int which) if (gameMode == EditPosition || gameMode == IcsExamining) { if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0); SetWhiteToPlayEvent(); - } else if (gameMode == EditGame || shiftKey) { + } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) { + UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move + } else if (shiftKey) { AdjustClock(which, -1); } else if (gameMode == IcsPlayingBlack || gameMode == MachinePlaysWhite) { @@ -13846,6 +13869,16 @@ BackwardInner(target) if (gameMode == EditGame || gameMode==AnalyzeMode || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) { while (currentMove > target) { + if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') { + // null move cannot be undone. Reload program with move history before it. + int i; + for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move + if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break; + } + SendBoard(&first, i); + for(currentMove=i; currentMove