2 * backend.c -- Common back end for X and Windows NT versions of
5 * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts.
6 * Enhancements Copyright 1992-2001 Free Software Foundation, Inc.
8 * The following terms apply to Digital Equipment Corporation's copyright
10 * ------------------------------------------------------------------------
13 * Permission to use, copy, modify, and distribute this software and its
14 * documentation for any purpose and without fee is hereby granted,
15 * provided that the above copyright notice appear in all copies and that
16 * both that copyright notice and this permission notice appear in
17 * supporting documentation, and that the name of Digital not be
18 * used in advertising or publicity pertaining to distribution of the
19 * software without specific, written prior permission.
21 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
22 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
23 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
24 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
25 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
26 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
28 * ------------------------------------------------------------------------
30 * The following terms apply to the enhanced version of XBoard distributed
31 * by the Free Software Foundation:
32 * ------------------------------------------------------------------------
33 * This program is free software; you can redistribute it and/or modify
34 * it under the terms of the GNU General Public License as published by
35 * the Free Software Foundation; either version 2 of the License, or
36 * (at your option) any later version.
38 * This program is distributed in the hope that it will be useful,
39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 * GNU General Public License for more details.
43 * You should have received a copy of the GNU General Public License
44 * along with this program; if not, write to the Free Software
45 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
46 * ------------------------------------------------------------------------
48 * See the file ChangeLog for a revision history. */
55 #include <sys/types.h>
62 #else /* not STDC_HEADERS */
65 # else /* not HAVE_STRING_H */
67 # endif /* not HAVE_STRING_H */
68 #endif /* not STDC_HEADERS */
71 # include <sys/fcntl.h>
72 #else /* not HAVE_SYS_FCNTL_H */
75 # endif /* HAVE_FCNTL_H */
76 #endif /* not HAVE_SYS_FCNTL_H */
78 #if TIME_WITH_SYS_TIME
79 # include <sys/time.h>
83 # include <sys/time.h>
89 #if defined(_amigados) && !defined(__GNUC__)
94 extern int gettimeofday(struct timeval *, struct timezone *);
102 #include "frontend.h"
109 #include "backendz.h"
111 /* A point in time */
113 long sec; /* Assuming this is >= 32 bits */
114 int ms; /* Assuming this is >= 16 bits */
117 /* Search stats from chessprogram */
119 char movelist[2*MSG_SIZ]; /* Last PV we were sent */
120 int depth; /* Current search depth */
121 int nr_moves; /* Total nr of root moves */
122 int moves_left; /* Moves remaining to be searched */
123 char move_name[MOVE_LEN]; /* Current move being searched, if provided */
124 unsigned long nodes; /* # of nodes searched */
125 int time; /* Search time (centiseconds) */
126 int score; /* Score (centipawns) */
127 int got_only_move; /* If last msg was "(only move)" */
128 int got_fail; /* 0 - nothing, 1 - got "--", 2 - got "++" */
129 int ok_to_send; /* handshaking between send & recv */
130 int line_is_book; /* 1 if movelist is book moves */
131 int seen_stat; /* 1 if we've seen the stat01: line */
134 int establish P((void));
135 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
136 char *buf, int count, int error));
137 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
138 char *buf, int count, int error));
139 void SendToICS P((char *s));
140 void SendToICSDelayed P((char *s, long msdelay));
141 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
143 void InitPosition P((int redraw));
144 void HandleMachineMove P((char *message, ChessProgramState *cps));
145 int AutoPlayOneMove P((void));
146 int LoadGameOneMove P((ChessMove readAhead));
147 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
148 int LoadPositionFromFile P((char *filename, int n, char *title));
149 int SavePositionToFile P((char *filename));
150 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
152 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
153 void ShowMove P((int fromX, int fromY, int toX, int toY));
154 void FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
155 /*char*/int promoChar));
156 void BackwardInner P((int target));
157 void ForwardInner P((int target));
158 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
159 void EditPositionDone P((void));
160 void PrintOpponents P((FILE *fp));
161 void PrintPosition P((FILE *fp, int move));
162 void StartChessProgram P((ChessProgramState *cps));
163 void SendToProgram P((char *message, ChessProgramState *cps));
164 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
165 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
166 char *buf, int count, int error));
167 void SendTimeControl P((ChessProgramState *cps,
168 int mps, long tc, int inc, int sd, int st));
169 char *TimeControlTagValue P((void));
170 void Attention P((ChessProgramState *cps));
171 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
172 void ResurrectChessProgram P((void));
173 void DisplayComment P((int moveNumber, char *text));
174 void DisplayMove P((int moveNumber));
175 void DisplayAnalysis P((void));
177 void ParseGameHistory P((char *game));
178 void ParseBoard12 P((char *string));
179 void StartClocks P((void));
180 void SwitchClocks P((void));
181 void StopClocks P((void));
182 void ResetClocks P((void));
183 char *PGNDate P((void));
184 void SetGameInfo P((void));
185 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
186 int RegisterMove P((void));
187 void MakeRegisteredMove P((void));
188 void TruncateGame P((void));
189 int looking_at P((char *, int *, char *));
190 void CopyPlayerNameIntoFileName P((char **, char *));
191 char *SavePart P((char *));
192 int SaveGameOldStyle P((FILE *));
193 int SaveGamePGN P((FILE *));
194 void GetTimeMark P((TimeMark *));
195 long SubtractTimeMarks P((TimeMark *, TimeMark *));
196 int CheckFlags P((void));
197 long NextTickLength P((long));
198 void CheckTimeControl P((void));
199 void show_bytes P((FILE *, char *, int));
200 int string_to_rating P((char *str));
201 void ParseFeatures P((char* args, ChessProgramState *cps));
202 void InitBackEnd3 P((void));
203 void FeatureDone P((ChessProgramState* cps, int val));
204 void InitChessProgram P((ChessProgramState *cps));
206 extern int tinyLayout, smallLayout;
207 static ChessProgramStats programStats;
209 /* States for ics_getting_history */
211 #define H_REQUESTED 1
212 #define H_GOT_REQ_HEADER 2
213 #define H_GOT_UNREQ_HEADER 3
214 #define H_GETTING_MOVES 4
215 #define H_GOT_UNWANTED_HEADER 5
217 /* whosays values for GameEnds */
224 /* Maximum number of games in a cmail message */
225 #define CMAIL_MAX_GAMES 20
227 /* Different types of move when calling RegisterMove */
229 #define CMAIL_RESIGN 1
231 #define CMAIL_ACCEPT 3
233 /* Different types of result to remember for each game */
234 #define CMAIL_NOT_RESULT 0
235 #define CMAIL_OLD_RESULT 1
236 #define CMAIL_NEW_RESULT 2
238 /* Telnet protocol constants */
248 /* Fake up flags for now, as we aren't keeping track of castling
253 int flags = F_ALL_CASTLE_OK;
254 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
255 switch (gameInfo.variant) {
257 case VariantGiveaway:
258 flags |= F_IGNORE_CHECK;
259 flags &= ~F_ALL_CASTLE_OK;
262 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
264 case VariantKriegspiel:
265 flags |= F_KRIEGSPIEL_CAPTURE;
267 case VariantNoCastle:
268 flags &= ~F_ALL_CASTLE_OK;
276 FILE *gameFileFP, *debugFP;
278 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
279 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
280 char thinkOutput1[MSG_SIZ*10];
282 ChessProgramState first, second;
284 /* premove variables */
287 int premoveFromX = 0;
288 int premoveFromY = 0;
289 int premovePromoChar = 0;
291 Boolean alarmSounded;
292 /* end premove variables */
294 #define ICS_GENERIC 0
297 #define ICS_CHESSNET 3 /* not really supported */
298 int ics_type = ICS_GENERIC;
299 char *ics_prefix = "$";
301 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
302 int pauseExamForwardMostMove = 0;
303 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
304 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
305 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
306 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
307 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
308 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
309 int whiteFlag = FALSE, blackFlag = FALSE;
310 int userOfferedDraw = FALSE;
311 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
312 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
313 int cmailMoveType[CMAIL_MAX_GAMES];
314 long ics_clock_paused = 0;
315 ProcRef icsPR = NoProc, cmailPR = NoProc;
316 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
317 GameMode gameMode = BeginningOfGame;
318 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
319 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
320 char white_holding[64], black_holding[64];
321 TimeMark lastNodeCountTime;
322 long lastNodeCount=0;
323 int have_sent_ICS_logon = 0;
325 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
326 long timeRemaining[2][MAX_MOVES];
328 TimeMark programStartTime;
329 char ics_handle[MSG_SIZ];
330 int have_set_title = 0;
332 /* animateTraining preserves the state of appData.animate
333 * when Training mode is activated. This allows the
334 * response to be animated when appData.animate == TRUE and
335 * appData.animateDragging == TRUE.
337 Boolean animateTraining;
343 Board boards[MAX_MOVES];
344 Board initialPosition = {
345 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
346 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
347 { WhitePawn, WhitePawn, WhitePawn, WhitePawn,
348 WhitePawn, WhitePawn, WhitePawn, WhitePawn },
349 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
350 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
351 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
352 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
353 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
354 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
355 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
356 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
357 { BlackPawn, BlackPawn, BlackPawn, BlackPawn,
358 BlackPawn, BlackPawn, BlackPawn, BlackPawn },
359 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
360 BlackKing, BlackBishop, BlackKnight, BlackRook }
362 Board twoKingsPosition = {
363 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
364 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
365 { WhitePawn, WhitePawn, WhitePawn, WhitePawn,
366 WhitePawn, WhitePawn, WhitePawn, WhitePawn },
367 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
368 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
369 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
370 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
371 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
372 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
373 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
374 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
375 { BlackPawn, BlackPawn, BlackPawn, BlackPawn,
376 BlackPawn, BlackPawn, BlackPawn, BlackPawn },
377 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
378 BlackKing, BlackKing, BlackKnight, BlackRook }
382 /* Convert str to a rating. Checks for special cases of "----",
383 "++++", etc. Also strips ()'s */
385 string_to_rating(str)
388 while(*str && !isdigit(*str)) ++str;
390 return 0; /* One of the special "no rating" cases */
398 /* Init programStats */
399 programStats.movelist[0] = 0;
400 programStats.depth = 0;
401 programStats.nr_moves = 0;
402 programStats.moves_left = 0;
403 programStats.nodes = 0;
404 programStats.time = 100;
405 programStats.score = 0;
406 programStats.got_only_move = 0;
407 programStats.got_fail = 0;
408 programStats.line_is_book = 0;
414 int matched, min, sec;
416 GetTimeMark(&programStartTime);
419 programStats.ok_to_send = 1;
420 programStats.seen_stat = 0;
423 * Initialize game list
429 * Internet chess server status
431 if (appData.icsActive) {
432 appData.matchMode = FALSE;
433 appData.matchGames = 0;
435 appData.noChessProgram = !appData.zippyPlay;
437 appData.zippyPlay = FALSE;
438 appData.zippyTalk = FALSE;
439 appData.noChessProgram = TRUE;
441 if (*appData.icsHelper != NULLCHAR) {
442 appData.useTelnet = TRUE;
443 appData.telnetProgram = appData.icsHelper;
446 appData.zippyTalk = appData.zippyPlay = FALSE;
450 * Parse timeControl resource
452 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
453 appData.movesPerSession)) {
455 sprintf(buf, "bad timeControl option %s", appData.timeControl);
456 DisplayFatalError(buf, 0, 2);
460 * Parse searchTime resource
462 if (*appData.searchTime != NULLCHAR) {
463 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
465 searchTime = min * 60;
466 } else if (matched == 2) {
467 searchTime = min * 60 + sec;
470 sprintf(buf, "bad searchTime option %s", appData.searchTime);
471 DisplayFatalError(buf, 0, 2);
475 first.which = "first";
476 second.which = "second";
477 first.maybeThinking = second.maybeThinking = FALSE;
478 first.pr = second.pr = NoProc;
479 first.isr = second.isr = NULL;
480 first.sendTime = second.sendTime = 2;
481 first.sendDrawOffers = 1;
482 if (appData.firstPlaysBlack) {
483 first.twoMachinesColor = "black\n";
484 second.twoMachinesColor = "white\n";
486 first.twoMachinesColor = "white\n";
487 second.twoMachinesColor = "black\n";
489 first.program = appData.firstChessProgram;
490 second.program = appData.secondChessProgram;
491 first.host = appData.firstHost;
492 second.host = appData.secondHost;
493 first.dir = appData.firstDirectory;
494 second.dir = appData.secondDirectory;
495 first.other = &second;
496 second.other = &first;
497 first.initString = appData.initString;
498 second.initString = appData.secondInitString;
499 first.computerString = appData.firstComputerString;
500 second.computerString = appData.secondComputerString;
501 first.useSigint = second.useSigint = TRUE;
502 first.useSigterm = second.useSigterm = TRUE;
503 first.reuse = appData.reuseFirst;
504 second.reuse = appData.reuseSecond;
505 first.useSetboard = second.useSetboard = FALSE;
506 first.useSAN = second.useSAN = FALSE;
507 first.usePing = second.usePing = FALSE;
508 first.lastPing = second.lastPing = 0;
509 first.lastPong = second.lastPong = 0;
510 first.usePlayother = second.usePlayother = FALSE;
511 first.useColors = second.useColors = TRUE;
512 first.useUsermove = second.useUsermove = FALSE;
513 first.sendICS = second.sendICS = FALSE;
514 first.sendName = second.sendName = appData.icsActive;
515 first.sdKludge = second.sdKludge = FALSE;
516 first.stKludge = second.stKludge = FALSE;
517 TidyProgramName(first.program, first.host, first.tidy);
518 TidyProgramName(second.program, second.host, second.tidy);
519 first.matchWins = second.matchWins = 0;
520 strcpy(first.variants, appData.variant);
521 strcpy(second.variants, appData.variant);
522 first.analysisSupport = second.analysisSupport = 2; /* detect */
523 first.analyzing = second.analyzing = FALSE;
524 first.initDone = second.initDone = FALSE;
526 if (appData.firstProtocolVersion > PROTOVER ||
527 appData.firstProtocolVersion < 1) {
529 sprintf(buf, "protocol version %d not supported",
530 appData.firstProtocolVersion);
531 DisplayFatalError(buf, 0, 2);
533 first.protocolVersion = appData.firstProtocolVersion;
536 if (appData.secondProtocolVersion > PROTOVER ||
537 appData.secondProtocolVersion < 1) {
539 sprintf(buf, "protocol version %d not supported",
540 appData.secondProtocolVersion);
541 DisplayFatalError(buf, 0, 2);
543 second.protocolVersion = appData.secondProtocolVersion;
546 if (appData.icsActive) {
547 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
548 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
549 appData.clockMode = FALSE;
550 first.sendTime = second.sendTime = 0;
554 /* Override some settings from environment variables, for backward
555 compatibility. Unfortunately it's not feasible to have the env
556 vars just set defaults, at least in xboard. Ugh.
558 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
563 if (appData.noChessProgram) {
564 programVersion = (char*) malloc(5 + strlen(PRODUCT) + strlen(VERSION)
565 + strlen(PATCHLEVEL));
566 sprintf(programVersion, "%s %s.%s", PRODUCT, VERSION, PATCHLEVEL);
570 while (*q != ' ' && *q != NULLCHAR) q++;
572 while (p > first.program && *(p-1) != '/') p--;
573 programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)
574 + strlen(PATCHLEVEL) + (q - p));
575 sprintf(programVersion, "%s %s.%s + ", PRODUCT, VERSION, PATCHLEVEL);
576 strncat(programVersion, p, q - p);
579 if (!appData.icsActive) {
581 /* Check for variants that are supported only in ICS mode,
582 or not at all. Some that are accepted here nevertheless
583 have bugs; see comments below.
585 VariantClass variant = StringToVariant(appData.variant);
587 case VariantBughouse: /* need four players and two boards */
588 case VariantKriegspiel: /* need to hide pieces and move details */
589 case VariantFischeRandom: /* castling doesn't work, shuffle not done */
590 sprintf(buf, "Variant %s supported only in ICS mode", appData.variant);
591 DisplayFatalError(buf, 0, 2);
595 case VariantLoadable:
605 sprintf(buf, "Unknown variant name %s", appData.variant);
606 DisplayFatalError(buf, 0, 2);
609 case VariantNormal: /* definitely works! */
610 case VariantWildCastle: /* pieces not automatically shuffled */
611 case VariantNoCastle: /* pieces not automatically shuffled */
612 case VariantCrazyhouse: /* holdings not shown,
613 offboard interposition not understood */
614 case VariantLosers: /* should work except for win condition,
615 and doesn't know captures are mandatory */
616 case VariantSuicide: /* should work except for win condition,
617 and doesn't know captures are mandatory */
618 case VariantGiveaway: /* should work except for win condition,
619 and doesn't know captures are mandatory */
620 case VariantTwoKings: /* should work */
621 case VariantAtomic: /* should work except for win condition */
622 case Variant3Check: /* should work except for win condition */
623 case VariantShatranj: /* might work if TestLegality is off */
630 ParseTimeControl(tc, ti, mps)
635 int matched, min, sec;
637 matched = sscanf(tc, "%d:%d", &min, &sec);
639 timeControl = min * 60 * 1000;
640 } else if (matched == 2) {
641 timeControl = (min * 60 + sec) * 1000;
647 timeIncrement = ti * 1000; /* convert to ms */
651 movesPerSession = mps;
659 if (appData.debugMode) {
660 fprintf(debugFP, "%s\n", programVersion);
663 if (appData.matchGames > 0) {
664 appData.matchMode = TRUE;
665 } else if (appData.matchMode) {
666 appData.matchGames = 1;
669 if (appData.noChessProgram || first.protocolVersion == 1) {
672 /* kludge: allow timeout for initial "feature" commands */
674 DisplayMessage("", "Starting chess program");
675 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
680 InitBackEnd3 P((void))
682 GameMode initialMode;
686 InitChessProgram(&first);
688 if (appData.icsActive) {
691 if (*appData.icsCommPort != NULLCHAR) {
692 sprintf(buf, "Could not open comm port %s",
693 appData.icsCommPort);
695 sprintf(buf, "Could not connect to host %s, port %s",
696 appData.icsHost, appData.icsPort);
698 DisplayFatalError(buf, err, 1);
703 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
705 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
706 } else if (appData.noChessProgram) {
712 if (*appData.cmailGameName != NULLCHAR) {
714 OpenLoopback(&cmailPR);
716 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
720 DisplayMessage("", "");
721 if (StrCaseCmp(appData.initialMode, "") == 0) {
722 initialMode = BeginningOfGame;
723 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
724 initialMode = TwoMachinesPlay;
725 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
726 initialMode = AnalyzeFile;
727 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
728 initialMode = AnalyzeMode;
729 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
730 initialMode = MachinePlaysWhite;
731 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
732 initialMode = MachinePlaysBlack;
733 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
734 initialMode = EditGame;
735 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
736 initialMode = EditPosition;
737 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
738 initialMode = Training;
740 sprintf(buf, "Unknown initialMode %s", appData.initialMode);
741 DisplayFatalError(buf, 0, 2);
745 if (appData.matchMode) {
746 /* Set up machine vs. machine match */
747 if (appData.noChessProgram) {
748 DisplayFatalError("Can't have a match with no chess programs",
754 if (*appData.loadGameFile != NULLCHAR) {
755 if (!LoadGameFromFile(appData.loadGameFile,
756 appData.loadGameIndex,
757 appData.loadGameFile, FALSE)) {
758 DisplayFatalError("Bad game file", 0, 1);
761 } else if (*appData.loadPositionFile != NULLCHAR) {
762 if (!LoadPositionFromFile(appData.loadPositionFile,
763 appData.loadPositionIndex,
764 appData.loadPositionFile)) {
765 DisplayFatalError("Bad position file", 0, 1);
770 } else if (*appData.cmailGameName != NULLCHAR) {
771 /* Set up cmail mode */
772 ReloadCmailMsgEvent(TRUE);
774 /* Set up other modes */
775 if (initialMode == AnalyzeFile) {
776 if (*appData.loadGameFile == NULLCHAR) {
777 DisplayFatalError("AnalyzeFile mode requires a game file", 0, 1);
781 if (*appData.loadGameFile != NULLCHAR) {
782 (void) LoadGameFromFile(appData.loadGameFile,
783 appData.loadGameIndex,
784 appData.loadGameFile, TRUE);
785 } else if (*appData.loadPositionFile != NULLCHAR) {
786 (void) LoadPositionFromFile(appData.loadPositionFile,
787 appData.loadPositionIndex,
788 appData.loadPositionFile);
790 if (initialMode == AnalyzeMode) {
791 if (appData.noChessProgram) {
792 DisplayFatalError("Analysis mode requires a chess engine", 0, 2);
795 if (appData.icsActive) {
796 DisplayFatalError("Analysis mode does not work with ICS mode",0,2);
800 } else if (initialMode == AnalyzeFile) {
801 ShowThinkingEvent(TRUE);
803 AnalysisPeriodicEvent(1);
804 } else if (initialMode == MachinePlaysWhite) {
805 if (appData.noChessProgram) {
806 DisplayFatalError("MachineWhite mode requires a chess engine",
810 if (appData.icsActive) {
811 DisplayFatalError("MachineWhite mode does not work with ICS mode",
816 } else if (initialMode == MachinePlaysBlack) {
817 if (appData.noChessProgram) {
818 DisplayFatalError("MachineBlack mode requires a chess engine",
822 if (appData.icsActive) {
823 DisplayFatalError("MachineBlack mode does not work with ICS mode",
828 } else if (initialMode == TwoMachinesPlay) {
829 if (appData.noChessProgram) {
830 DisplayFatalError("TwoMachines mode requires a chess engine",
834 if (appData.icsActive) {
835 DisplayFatalError("TwoMachines mode does not work with ICS mode",
840 } else if (initialMode == EditGame) {
842 } else if (initialMode == EditPosition) {
844 } else if (initialMode == Training) {
845 if (*appData.loadGameFile == NULLCHAR) {
846 DisplayFatalError("Training mode requires a game file", 0, 2);
855 * Establish will establish a contact to a remote host.port.
856 * Sets icsPR to a ProcRef for a process (or pseudo-process)
857 * used to talk to the host.
858 * Returns 0 if okay, error code if not.
865 if (*appData.icsCommPort != NULLCHAR) {
866 /* Talk to the host through a serial comm port */
867 return OpenCommPort(appData.icsCommPort, &icsPR);
869 } else if (*appData.gateway != NULLCHAR) {
870 if (*appData.remoteShell == NULLCHAR) {
871 /* Use the rcmd protocol to run telnet program on a gateway host */
872 sprintf(buf, "%s %s %s",
873 appData.telnetProgram, appData.icsHost, appData.icsPort);
874 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
877 /* Use the rsh program to run telnet program on a gateway host */
878 if (*appData.remoteUser == NULLCHAR) {
879 sprintf(buf, "%s %s %s %s %s", appData.remoteShell,
880 appData.gateway, appData.telnetProgram,
881 appData.icsHost, appData.icsPort);
883 sprintf(buf, "%s %s -l %s %s %s %s",
884 appData.remoteShell, appData.gateway,
885 appData.remoteUser, appData.telnetProgram,
886 appData.icsHost, appData.icsPort);
888 return StartChildProcess(buf, "", &icsPR);
891 } else if (appData.useTelnet) {
892 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
895 /* TCP socket interface differs somewhat between
896 Unix and NT; handle details in the front end.
898 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
903 show_bytes(fp, buf, count)
909 if (*buf < 040 || *(unsigned char *) buf > 0177) {
910 fprintf(fp, "\\%03o", *buf & 0xff);
919 /* Returns an errno value */
921 OutputMaybeTelnet(pr, message, count, outError)
927 char buf[8192], *p, *q, *buflim;
928 int left, newcount, outcount;
930 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
931 *appData.gateway != NULLCHAR) {
932 if (appData.debugMode) {
933 fprintf(debugFP, ">ICS: ");
934 show_bytes(debugFP, message, count);
935 fprintf(debugFP, "\n");
937 return OutputToProcess(pr, message, count, outError);
940 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
947 if (appData.debugMode) {
948 fprintf(debugFP, ">ICS: ");
949 show_bytes(debugFP, buf, newcount);
950 fprintf(debugFP, "\n");
952 outcount = OutputToProcess(pr, buf, newcount, outError);
953 if (outcount < newcount) return -1; /* to be sure */
960 } else if (((unsigned char) *p) == TN_IAC) {
961 *q++ = (char) TN_IAC;
968 if (appData.debugMode) {
969 fprintf(debugFP, ">ICS: ");
970 show_bytes(debugFP, buf, newcount);
971 fprintf(debugFP, "\n");
973 outcount = OutputToProcess(pr, buf, newcount, outError);
974 if (outcount < newcount) return -1; /* to be sure */
979 read_from_player(isr, closure, message, count, error)
986 int outError, outCount;
987 static int gotEof = 0;
989 /* Pass data read from player on to ICS */
992 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
993 if (outCount < count) {
994 DisplayFatalError("Error writing to ICS", outError, 1);
996 } else if (count < 0) {
997 RemoveInputSource(isr);
998 DisplayFatalError("Error reading from keyboard", error, 1);
999 } else if (gotEof++ > 0) {
1000 RemoveInputSource(isr);
1001 DisplayFatalError("Got end of file from keyboard", 0, 0);
1009 int count, outCount, outError;
1011 if (icsPR == NULL) return;
1014 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1015 if (outCount < count) {
1016 DisplayFatalError("Error writing to ICS", outError, 1);
1020 /* This is used for sending logon scripts to the ICS. Sending
1021 without a delay causes problems when using timestamp on ICC
1022 (at least on my machine). */
1024 SendToICSDelayed(s,msdelay)
1028 int count, outCount, outError;
1030 if (icsPR == NULL) return;
1033 if (appData.debugMode) {
1034 fprintf(debugFP, ">ICS: ");
1035 show_bytes(debugFP, s, count);
1036 fprintf(debugFP, "\n");
1038 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1040 if (outCount < count) {
1041 DisplayFatalError("Error writing to ICS", outError, 1);
1046 /* Remove all highlighting escape sequences in s
1047 Also deletes any suffix starting with '('
1050 StripHighlightAndTitle(s)
1053 static char retbuf[MSG_SIZ];
1056 while (*s != NULLCHAR) {
1057 while (*s == '\033') {
1058 while (*s != NULLCHAR && !isalpha(*s)) s++;
1059 if (*s != NULLCHAR) s++;
1061 while (*s != NULLCHAR && *s != '\033') {
1062 if (*s == '(' || *s == '[') {
1073 /* Remove all highlighting escape sequences in s */
1078 static char retbuf[MSG_SIZ];
1081 while (*s != NULLCHAR) {
1082 while (*s == '\033') {
1083 while (*s != NULLCHAR && !isalpha(*s)) s++;
1084 if (*s != NULLCHAR) s++;
1086 while (*s != NULLCHAR && *s != '\033') {
1094 char *variantNames[] = VARIANT_NAMES;
1099 return variantNames[v];
1103 /* Identify a variant from the strings the chess servers use or the
1104 PGN Variant tag names we use. */
1111 VariantClass v = VariantNormal;
1112 int i, found = FALSE;
1117 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1118 if (StrCaseStr(e, variantNames[i])) {
1119 v = (VariantClass) i;
1126 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1127 || StrCaseStr(e, "wild/fr")) {
1128 v = VariantFischeRandom;
1129 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1130 (i = 1, p = StrCaseStr(e, "w"))) {
1132 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1139 case 0: /* FICS only, actually */
1141 /* Castling legal even if K starts on d-file */
1142 v = VariantWildCastle;
1147 /* Castling illegal even if K & R happen to start in
1148 normal positions. */
1149 v = VariantNoCastle;
1162 /* Castling legal iff K & R start in normal positions */
1168 /* Special wilds for position setup; unclear what to do here */
1169 v = VariantLoadable;
1172 /* Bizarre ICC game */
1173 v = VariantTwoKings;
1176 v = VariantKriegspiel;
1182 v = VariantFischeRandom;
1185 v = VariantCrazyhouse;
1188 v = VariantBughouse;
1194 /* Not quite the same as FICS suicide! */
1195 v = VariantGiveaway;
1201 v = VariantShatranj;
1204 /* Temporary names for future ICC types. The name *will* change in
1205 the next xboard/WinBoard release after ICC defines it. */
1232 /* Found "wild" or "w" in the string but no number;
1233 must assume it's normal chess. */
1237 sprintf(buf, "Unknown wild type %d", wnum);
1238 DisplayError(buf, 0);
1244 if (appData.debugMode) {
1245 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
1246 e, wnum, VariantName(v));
1251 static int leftover_start = 0, leftover_len = 0;
1252 char star_match[STAR_MATCH_N][MSG_SIZ];
1254 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1255 advance *index beyond it, and set leftover_start to the new value of
1256 *index; else return FALSE. If pattern contains the character '*', it
1257 matches any sequence of characters not containing '\r', '\n', or the
1258 character following the '*' (if any), and the matched sequence(s) are
1259 copied into star_match.
1262 looking_at(buf, index, pattern)
1267 char *bufp = &buf[*index], *patternp = pattern;
1269 char *matchp = star_match[0];
1272 if (*patternp == NULLCHAR) {
1273 *index = leftover_start = bufp - buf;
1277 if (*bufp == NULLCHAR) return FALSE;
1278 if (*patternp == '*') {
1279 if (*bufp == *(patternp + 1)) {
1281 matchp = star_match[++star_count];
1285 } else if (*bufp == '\n' || *bufp == '\r') {
1287 if (*patternp == NULLCHAR)
1292 *matchp++ = *bufp++;
1296 if (*patternp != *bufp) return FALSE;
1303 SendToPlayer(data, length)
1307 int error, outCount;
1308 outCount = OutputToProcess(NoProc, data, length, &error);
1309 if (outCount < length) {
1310 DisplayFatalError("Error writing to display", error, 1);
1315 PackHolding(packed, holding)
1327 switch (runlength) {
1338 sprintf(q, "%d", runlength);
1350 /* Telnet protocol requests from the front end */
1352 TelnetRequest(ddww, option)
1353 unsigned char ddww, option;
1355 unsigned char msg[3];
1356 int outCount, outError;
1358 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1360 if (appData.debugMode) {
1361 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1377 sprintf(buf1, "%d", ddww);
1386 sprintf(buf2, "%d", option);
1389 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1394 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1396 DisplayFatalError("Error writing to ICS", outError, 1);
1403 if (!appData.icsActive) return;
1404 TelnetRequest(TN_DO, TN_ECHO);
1410 if (!appData.icsActive) return;
1411 TelnetRequest(TN_DONT, TN_ECHO);
1414 static int loggedOn = FALSE;
1416 /*-- Game start info cache: --*/
1418 char gs_kind[MSG_SIZ];
1419 static char player1Name[128] = "";
1420 static char player2Name[128] = "";
1421 static int player1Rating = -1;
1422 static int player2Rating = -1;
1423 /*----------------------------*/
1426 read_from_ics(isr, closure, data, count, error)
1433 #define BUF_SIZE 8192
1434 #define STARTED_NONE 0
1435 #define STARTED_MOVES 1
1436 #define STARTED_BOARD 2
1437 #define STARTED_OBSERVE 3
1438 #define STARTED_HOLDINGS 4
1439 #define STARTED_CHATTER 5
1440 #define STARTED_COMMENT 6
1441 #define STARTED_MOVES_NOHIDE 7
1443 static int started = STARTED_NONE;
1444 static char parse[20000];
1445 static int parse_pos = 0;
1446 static char buf[BUF_SIZE + 1];
1447 static int firstTime = TRUE, intfSet = FALSE;
1448 static ColorClass curColor = ColorNormal;
1449 static ColorClass prevColor = ColorNormal;
1450 static int savingComment = FALSE;
1459 /* If last read ended with a partial line that we couldn't parse,
1460 prepend it to the new read and try again. */
1461 if (leftover_len > 0) {
1462 for (i=0; i<leftover_len; i++)
1463 buf[i] = buf[leftover_start + i];
1466 /* Copy in new characters, removing nulls and \r's */
1467 buf_len = leftover_len;
1468 for (i = 0; i < count; i++) {
1469 if (data[i] != NULLCHAR && data[i] != '\r')
1470 buf[buf_len++] = data[i];
1473 buf[buf_len] = NULLCHAR;
1474 next_out = leftover_len;
1478 while (i < buf_len) {
1479 /* Deal with part of the TELNET option negotiation
1480 protocol. We refuse to do anything beyond the
1481 defaults, except that we allow the WILL ECHO option,
1482 which ICS uses to turn off password echoing when we are
1483 directly connected to it. We reject this option
1484 if localLineEditing mode is on (always on in xboard)
1485 and we are talking to port 23, which might be a real
1486 telnet server that will try to keep WILL ECHO on permanently.
1488 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
1489 static int remoteEchoOption = FALSE; /* telnet ECHO option */
1490 unsigned char option;
1492 switch ((unsigned char) buf[++i]) {
1494 if (appData.debugMode)
1495 fprintf(debugFP, "\n<WILL ");
1496 switch (option = (unsigned char) buf[++i]) {
1498 if (appData.debugMode)
1499 fprintf(debugFP, "ECHO ");
1500 /* Reply only if this is a change, according
1501 to the protocol rules. */
1502 if (remoteEchoOption) break;
1503 if (appData.localLineEditing &&
1504 atoi(appData.icsPort) == TN_PORT) {
1505 TelnetRequest(TN_DONT, TN_ECHO);
1508 TelnetRequest(TN_DO, TN_ECHO);
1509 remoteEchoOption = TRUE;
1513 if (appData.debugMode)
1514 fprintf(debugFP, "%d ", option);
1515 /* Whatever this is, we don't want it. */
1516 TelnetRequest(TN_DONT, option);
1521 if (appData.debugMode)
1522 fprintf(debugFP, "\n<WONT ");
1523 switch (option = (unsigned char) buf[++i]) {
1525 if (appData.debugMode)
1526 fprintf(debugFP, "ECHO ");
1527 /* Reply only if this is a change, according
1528 to the protocol rules. */
1529 if (!remoteEchoOption) break;
1531 TelnetRequest(TN_DONT, TN_ECHO);
1532 remoteEchoOption = FALSE;
1535 if (appData.debugMode)
1536 fprintf(debugFP, "%d ", (unsigned char) option);
1537 /* Whatever this is, it must already be turned
1538 off, because we never agree to turn on
1539 anything non-default, so according to the
1540 protocol rules, we don't reply. */
1545 if (appData.debugMode)
1546 fprintf(debugFP, "\n<DO ");
1547 switch (option = (unsigned char) buf[++i]) {
1549 /* Whatever this is, we refuse to do it. */
1550 if (appData.debugMode)
1551 fprintf(debugFP, "%d ", option);
1552 TelnetRequest(TN_WONT, option);
1557 if (appData.debugMode)
1558 fprintf(debugFP, "\n<DONT ");
1559 switch (option = (unsigned char) buf[++i]) {
1561 if (appData.debugMode)
1562 fprintf(debugFP, "%d ", option);
1563 /* Whatever this is, we are already not doing
1564 it, because we never agree to do anything
1565 non-default, so according to the protocol
1566 rules, we don't reply. */
1571 if (appData.debugMode)
1572 fprintf(debugFP, "\n<IAC ");
1573 /* Doubled IAC; pass it through */
1577 if (appData.debugMode)
1578 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
1579 /* Drop all other telnet commands on the floor */
1582 if (oldi > next_out)
1583 SendToPlayer(&buf[next_out], oldi - next_out);
1589 /* OK, this at least will *usually* work */
1590 if (!loggedOn && looking_at(buf, &i, "ics%")) {
1594 if (loggedOn && !intfSet) {
1595 if (ics_type == ICS_ICC) {
1597 "/set-quietly interface %s\n/set-quietly style 12\n",
1600 } else if (ics_type == ICS_CHESSNET) {
1601 sprintf(str, "/style 12\n");
1603 strcpy(str, "alias $ @\n$set interface ");
1604 strcat(str, programVersion);
1605 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
1607 strcat(str, "$iset nohighlight 1\n");
1609 strcat(str, "$iset lock 1\n$style 12\n");
1615 if (started == STARTED_COMMENT) {
1616 /* Accumulate characters in comment */
1617 parse[parse_pos++] = buf[i];
1618 if (buf[i] == '\n') {
1619 parse[parse_pos] = NULLCHAR;
1620 AppendComment(forwardMostMove, StripHighlight(parse));
1621 started = STARTED_NONE;
1623 /* Don't match patterns against characters in chatter */
1628 if (started == STARTED_CHATTER) {
1629 if (buf[i] != '\n') {
1630 /* Don't match patterns against characters in chatter */
1634 started = STARTED_NONE;
1637 /* Kludge to deal with rcmd protocol */
1638 if (firstTime && looking_at(buf, &i, "\001*")) {
1639 DisplayFatalError(&buf[1], 0, 1);
1645 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
1648 if (appData.debugMode)
1649 fprintf(debugFP, "ics_type %d\n", ics_type);
1652 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
1653 ics_type = ICS_FICS;
1655 if (appData.debugMode)
1656 fprintf(debugFP, "ics_type %d\n", ics_type);
1659 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
1660 ics_type = ICS_CHESSNET;
1662 if (appData.debugMode)
1663 fprintf(debugFP, "ics_type %d\n", ics_type);
1668 (looking_at(buf, &i, "\"*\" is *a registered name") ||
1669 looking_at(buf, &i, "Logging you in as \"*\"") ||
1670 looking_at(buf, &i, "will be \"*\""))) {
1671 strcpy(ics_handle, star_match[0]);
1675 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
1677 sprintf(buf, "%s@%s", ics_handle, appData.icsHost);
1678 DisplayIcsInteractionTitle(buf);
1679 have_set_title = TRUE;
1682 /* skip finger notes */
1683 if (started == STARTED_NONE &&
1684 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
1685 (buf[i] == '1' && buf[i+1] == '0')) &&
1686 buf[i+2] == ':' && buf[i+3] == ' ') {
1687 started = STARTED_CHATTER;
1692 /* skip formula vars */
1693 if (started == STARTED_NONE &&
1694 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
1695 started = STARTED_CHATTER;
1701 if (appData.zippyTalk || appData.zippyPlay) {
1703 if (ZippyControl(buf, &i) ||
1704 ZippyConverse(buf, &i) ||
1705 (appData.zippyPlay && ZippyMatch(buf, &i))) {
1711 if (/* Don't color "message" or "messages" output */
1712 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
1713 looking_at(buf, &i, "*. * at *:*: ") ||
1714 looking_at(buf, &i, "--* (*:*): ") ||
1715 /* Regular tells and says */
1716 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
1717 looking_at(buf, &i, "* (your partner) tells you: ") ||
1718 looking_at(buf, &i, "* says: ") ||
1719 /* Message notifications (same color as tells) */
1720 looking_at(buf, &i, "* has left a message ") ||
1721 looking_at(buf, &i, "* just sent you a message:\n") ||
1722 /* Whispers and kibitzes */
1723 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
1724 looking_at(buf, &i, "* kibitzes: ") ||
1726 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
1728 if (tkind == 1 && strchr(star_match[0], ':')) {
1729 /* Avoid "tells you:" spoofs in channels */
1732 if (star_match[0][0] == NULLCHAR ||
1733 strchr(star_match[0], ' ') ||
1734 (tkind == 3 && strchr(star_match[1], ' '))) {
1735 /* Reject bogus matches */
1738 if (appData.colorize) {
1739 if (oldi > next_out) {
1740 SendToPlayer(&buf[next_out], oldi - next_out);
1745 Colorize(ColorTell, FALSE);
1746 curColor = ColorTell;
1749 Colorize(ColorKibitz, FALSE);
1750 curColor = ColorKibitz;
1753 p = strrchr(star_match[1], '(');
1760 Colorize(ColorChannel1, FALSE);
1761 curColor = ColorChannel1;
1763 Colorize(ColorChannel, FALSE);
1764 curColor = ColorChannel;
1768 curColor = ColorNormal;
1772 if (started == STARTED_NONE && appData.autoComment &&
1773 (gameMode == IcsObserving ||
1774 gameMode == IcsPlayingWhite ||
1775 gameMode == IcsPlayingBlack)) {
1776 parse_pos = i - oldi;
1777 memcpy(parse, &buf[oldi], parse_pos);
1778 parse[parse_pos] = NULLCHAR;
1779 started = STARTED_COMMENT;
1780 savingComment = TRUE;
1782 started = STARTED_CHATTER;
1783 savingComment = FALSE;
1790 if (looking_at(buf, &i, "* s-shouts: ") ||
1791 looking_at(buf, &i, "* c-shouts: ")) {
1792 if (appData.colorize) {
1793 if (oldi > next_out) {
1794 SendToPlayer(&buf[next_out], oldi - next_out);
1797 Colorize(ColorSShout, FALSE);
1798 curColor = ColorSShout;
1801 started = STARTED_CHATTER;
1805 if (looking_at(buf, &i, "--->")) {
1810 if (looking_at(buf, &i, "* shouts: ") ||
1811 looking_at(buf, &i, "--> ")) {
1812 if (appData.colorize) {
1813 if (oldi > next_out) {
1814 SendToPlayer(&buf[next_out], oldi - next_out);
1817 Colorize(ColorShout, FALSE);
1818 curColor = ColorShout;
1821 started = STARTED_CHATTER;
1825 if (looking_at( buf, &i, "Challenge:")) {
1826 if (appData.colorize) {
1827 if (oldi > next_out) {
1828 SendToPlayer(&buf[next_out], oldi - next_out);
1831 Colorize(ColorChallenge, FALSE);
1832 curColor = ColorChallenge;
1838 if (looking_at(buf, &i, "* offers you") ||
1839 looking_at(buf, &i, "* offers to be") ||
1840 looking_at(buf, &i, "* would like to") ||
1841 looking_at(buf, &i, "* requests to") ||
1842 looking_at(buf, &i, "Your opponent offers") ||
1843 looking_at(buf, &i, "Your opponent requests")) {
1845 if (appData.colorize) {
1846 if (oldi > next_out) {
1847 SendToPlayer(&buf[next_out], oldi - next_out);
1850 Colorize(ColorRequest, FALSE);
1851 curColor = ColorRequest;
1856 if (looking_at(buf, &i, "* (*) seeking")) {
1857 if (appData.colorize) {
1858 if (oldi > next_out) {
1859 SendToPlayer(&buf[next_out], oldi - next_out);
1862 Colorize(ColorSeek, FALSE);
1863 curColor = ColorSeek;
1869 if (looking_at(buf, &i, "\\ ")) {
1870 if (prevColor != ColorNormal) {
1871 if (oldi > next_out) {
1872 SendToPlayer(&buf[next_out], oldi - next_out);
1875 Colorize(prevColor, TRUE);
1876 curColor = prevColor;
1878 if (savingComment) {
1879 parse_pos = i - oldi;
1880 memcpy(parse, &buf[oldi], parse_pos);
1881 parse[parse_pos] = NULLCHAR;
1882 started = STARTED_COMMENT;
1884 started = STARTED_CHATTER;
1889 if (looking_at(buf, &i, "Black Strength :") ||
1890 looking_at(buf, &i, "<<< style 10 board >>>") ||
1891 looking_at(buf, &i, "<10>") ||
1892 looking_at(buf, &i, "#@#")) {
1893 /* Wrong board style */
1895 SendToICS(ics_prefix);
1896 SendToICS("set style 12\n");
1897 SendToICS(ics_prefix);
1898 SendToICS("refresh\n");
1902 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
1904 have_sent_ICS_logon = 1;
1908 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
1909 (looking_at(buf, &i, "\n<12> ") ||
1910 looking_at(buf, &i, "<12> "))) {
1912 if (oldi > next_out) {
1913 SendToPlayer(&buf[next_out], oldi - next_out);
1916 started = STARTED_BOARD;
1921 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
1922 looking_at(buf, &i, "<b1> ")) {
1923 if (oldi > next_out) {
1924 SendToPlayer(&buf[next_out], oldi - next_out);
1927 started = STARTED_HOLDINGS;
1932 if (looking_at(buf, &i, "* *vs. * *--- *")) {
1934 /* Header for a move list -- first line */
1936 switch (ics_getting_history) {
1940 case BeginningOfGame:
1941 /* User typed "moves" or "oldmoves" while we
1942 were idle. Pretend we asked for these
1943 moves and soak them up so user can step
1944 through them and/or save them.
1947 gameMode = IcsObserving;
1950 ics_getting_history = H_GOT_UNREQ_HEADER;
1952 case EditGame: /*?*/
1953 case EditPosition: /*?*/
1954 /* Should above feature work in these modes too? */
1955 /* For now it doesn't */
1956 ics_getting_history = H_GOT_UNWANTED_HEADER;
1959 ics_getting_history = H_GOT_UNWANTED_HEADER;
1964 /* Is this the right one? */
1965 if (gameInfo.white && gameInfo.black &&
1966 strcmp(gameInfo.white, star_match[0]) == 0 &&
1967 strcmp(gameInfo.black, star_match[2]) == 0) {
1969 ics_getting_history = H_GOT_REQ_HEADER;
1972 case H_GOT_REQ_HEADER:
1973 case H_GOT_UNREQ_HEADER:
1974 case H_GOT_UNWANTED_HEADER:
1975 case H_GETTING_MOVES:
1976 /* Should not happen */
1977 DisplayError("Error gathering move list: two headers", 0);
1978 ics_getting_history = H_FALSE;
1982 /* Save player ratings into gameInfo if needed */
1983 if ((ics_getting_history == H_GOT_REQ_HEADER ||
1984 ics_getting_history == H_GOT_UNREQ_HEADER) &&
1985 (gameInfo.whiteRating == -1 ||
1986 gameInfo.blackRating == -1)) {
1988 gameInfo.whiteRating = string_to_rating(star_match[1]);
1989 gameInfo.blackRating = string_to_rating(star_match[3]);
1990 if (appData.debugMode)
1991 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
1992 gameInfo.whiteRating, gameInfo.blackRating);
1997 if (looking_at(buf, &i,
1998 "* * match, initial time: * minute*, increment: * second")) {
1999 /* Header for a move list -- second line */
2000 /* Initial board will follow if this is a wild game */
2002 if (gameInfo.event != NULL) free(gameInfo.event);
2003 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2004 gameInfo.event = StrSave(str);
2005 gameInfo.variant = StringToVariant(gameInfo.event);
2009 if (looking_at(buf, &i, "Move ")) {
2010 /* Beginning of a move list */
2011 switch (ics_getting_history) {
2013 /* Normally should not happen */
2014 /* Maybe user hit reset while we were parsing */
2017 /* Happens if we are ignoring a move list that is not
2018 * the one we just requested. Common if the user
2019 * tries to observe two games without turning off
2022 case H_GETTING_MOVES:
2023 /* Should not happen */
2024 DisplayError("Error gathering move list: nested", 0);
2025 ics_getting_history = H_FALSE;
2027 case H_GOT_REQ_HEADER:
2028 ics_getting_history = H_GETTING_MOVES;
2029 started = STARTED_MOVES;
2031 if (oldi > next_out) {
2032 SendToPlayer(&buf[next_out], oldi - next_out);
2035 case H_GOT_UNREQ_HEADER:
2036 ics_getting_history = H_GETTING_MOVES;
2037 started = STARTED_MOVES_NOHIDE;
2040 case H_GOT_UNWANTED_HEADER:
2041 ics_getting_history = H_FALSE;
2047 if (looking_at(buf, &i, "% ") ||
2048 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2049 && looking_at(buf, &i, "}*"))) {
2050 savingComment = FALSE;
2053 case STARTED_MOVES_NOHIDE:
2054 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2055 parse[parse_pos + i - oldi] = NULLCHAR;
2056 ParseGameHistory(parse);
2058 if (appData.zippyPlay && first.initDone) {
2059 FeedMovesToProgram(&first, forwardMostMove);
2060 if (gameMode == IcsPlayingWhite) {
2061 if (WhiteOnMove(forwardMostMove)) {
2062 if (first.sendTime) {
2063 if (first.useColors) {
2064 SendToProgram("black\n", &first);
2066 SendTimeRemaining(&first, TRUE);
2068 if (first.useColors) {
2069 SendToProgram("white\ngo\n", &first);
2071 SendToProgram("go\n", &first);
2073 first.maybeThinking = TRUE;
2075 if (first.usePlayother) {
2076 if (first.sendTime) {
2077 SendTimeRemaining(&first, TRUE);
2079 SendToProgram("playother\n", &first);
2085 } else if (gameMode == IcsPlayingBlack) {
2086 if (!WhiteOnMove(forwardMostMove)) {
2087 if (first.sendTime) {
2088 if (first.useColors) {
2089 SendToProgram("white\n", &first);
2091 SendTimeRemaining(&first, FALSE);
2093 if (first.useColors) {
2094 SendToProgram("black\ngo\n", &first);
2096 SendToProgram("go\n", &first);
2098 first.maybeThinking = TRUE;
2100 if (first.usePlayother) {
2101 if (first.sendTime) {
2102 SendTimeRemaining(&first, FALSE);
2104 SendToProgram("playother\n", &first);
2113 if (gameMode == IcsObserving && ics_gamenum == -1) {
2114 /* Moves came from oldmoves or moves command
2115 while we weren't doing anything else.
2117 currentMove = forwardMostMove;
2118 ClearHighlights();/*!!could figure this out*/
2119 flipView = appData.flipView;
2120 DrawPosition(FALSE, boards[currentMove]);
2121 DisplayBothClocks();
2122 sprintf(str, "%s vs. %s",
2123 gameInfo.white, gameInfo.black);
2127 /* Moves were history of an active game */
2128 if (gameInfo.resultDetails != NULL) {
2129 free(gameInfo.resultDetails);
2130 gameInfo.resultDetails = NULL;
2133 HistorySet(parseList, backwardMostMove,
2134 forwardMostMove, currentMove-1);
2135 DisplayMove(currentMove - 1);
2136 if (started == STARTED_MOVES) next_out = i;
2137 started = STARTED_NONE;
2138 ics_getting_history = H_FALSE;
2141 case STARTED_OBSERVE:
2142 started = STARTED_NONE;
2143 SendToICS(ics_prefix);
2144 SendToICS("refresh\n");
2153 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2154 started == STARTED_HOLDINGS ||
2155 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2156 /* Accumulate characters in move list or board */
2157 parse[parse_pos++] = buf[i];
2160 /* Start of game messages. Mostly we detect start of game
2161 when the first board image arrives. On some versions
2162 of the ICS, though, we need to do a "refresh" after starting
2163 to observe in order to get the current board right away. */
2164 if (looking_at(buf, &i, "Adding game * to observation list")) {
2165 started = STARTED_OBSERVE;
2169 /* Handle auto-observe */
2170 if (appData.autoObserve &&
2171 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2172 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2174 /* Choose the player that was highlighted, if any. */
2175 if (star_match[0][0] == '\033' ||
2176 star_match[1][0] != '\033') {
2177 player = star_match[0];
2179 player = star_match[2];
2181 sprintf(str, "%sobserve %s\n",
2182 ics_prefix, StripHighlightAndTitle(player));
2185 /* Save ratings from notify string */
2186 strcpy(player1Name, star_match[0]);
2187 player1Rating = string_to_rating(star_match[1]);
2188 strcpy(player2Name, star_match[2]);
2189 player2Rating = string_to_rating(star_match[3]);
2191 if (appData.debugMode)
2193 "Ratings from 'Game notification:' %s %d, %s %d\n",
2194 player1Name, player1Rating,
2195 player2Name, player2Rating);
2200 /* Deal with automatic examine mode after a game,
2201 and with IcsObserving -> IcsExamining transition */
2202 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2203 looking_at(buf, &i, "has made you an examiner of game *")) {
2205 int gamenum = atoi(star_match[0]);
2206 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2207 gamenum == ics_gamenum) {
2208 /* We were already playing or observing this game;
2209 no need to refetch history */
2210 gameMode = IcsExamining;
2212 pauseExamForwardMostMove = forwardMostMove;
2213 } else if (currentMove < forwardMostMove) {
2214 ForwardInner(forwardMostMove);
2217 /* I don't think this case really can happen */
2218 SendToICS(ics_prefix);
2219 SendToICS("refresh\n");
2224 /* Error messages */
2225 if (ics_user_moved) {
2226 if (looking_at(buf, &i, "Illegal move") ||
2227 looking_at(buf, &i, "Not a legal move") ||
2228 looking_at(buf, &i, "Your king is in check") ||
2229 looking_at(buf, &i, "It isn't your turn") ||
2230 looking_at(buf, &i, "It is not your move")) {
2233 if (forwardMostMove > backwardMostMove) {
2234 currentMove = --forwardMostMove;
2235 DisplayMove(currentMove - 1); /* before DMError */
2236 DisplayMoveError("Illegal move (rejected by ICS)");
2237 DrawPosition(FALSE, boards[currentMove]);
2239 DisplayBothClocks();
2245 if (looking_at(buf, &i, "still have time") ||
2246 looking_at(buf, &i, "not out of time") ||
2247 looking_at(buf, &i, "either player is out of time") ||
2248 looking_at(buf, &i, "has timeseal; checking")) {
2249 /* We must have called his flag a little too soon */
2250 whiteFlag = blackFlag = FALSE;
2254 if (looking_at(buf, &i, "added * seconds to") ||
2255 looking_at(buf, &i, "seconds were added to")) {
2256 /* Update the clocks */
2257 SendToICS(ics_prefix);
2258 SendToICS("refresh\n");
2262 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
2263 ics_clock_paused = TRUE;
2268 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
2269 ics_clock_paused = FALSE;
2274 /* Grab player ratings from the Creating: message.
2275 Note we have to check for the special case when
2276 the ICS inserts things like [white] or [black]. */
2277 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
2278 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
2280 0 player 1 name (not necessarily white)
2282 2 empty, white, or black (IGNORED)
2283 3 player 2 name (not necessarily black)
2286 The names/ratings are sorted out when the game
2287 actually starts (below).
2289 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
2290 player1Rating = string_to_rating(star_match[1]);
2291 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
2292 player2Rating = string_to_rating(star_match[4]);
2294 if (appData.debugMode)
2296 "Ratings from 'Creating:' %s %d, %s %d\n",
2297 player1Name, player1Rating,
2298 player2Name, player2Rating);
2303 /* Improved generic start/end-of-game messages */
2304 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
2305 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
2306 /* If tkind == 0: */
2307 /* star_match[0] is the game number */
2308 /* [1] is the white player's name */
2309 /* [2] is the black player's name */
2310 /* For end-of-game: */
2311 /* [3] is the reason for the game end */
2312 /* [4] is a PGN end game-token, preceded by " " */
2313 /* For start-of-game: */
2314 /* [3] begins with "Creating" or "Continuing" */
2315 /* [4] is " *" or empty (don't care). */
2316 int gamenum = atoi(star_match[0]);
2317 char *whitename, *blackname, *why, *endtoken;
2318 ChessMove endtype = (ChessMove) 0;
2321 whitename = star_match[1];
2322 blackname = star_match[2];
2323 why = star_match[3];
2324 endtoken = star_match[4];
2326 whitename = star_match[1];
2327 blackname = star_match[3];
2328 why = star_match[5];
2329 endtoken = star_match[6];
2332 /* Game start messages */
2333 if (strncmp(why, "Creating ", 9) == 0 ||
2334 strncmp(why, "Continuing ", 11) == 0) {
2335 gs_gamenum = gamenum;
2336 strcpy(gs_kind, strchr(why, ' ') + 1);
2338 if (appData.zippyPlay) {
2339 ZippyGameStart(whitename, blackname);
2345 /* Game end messages */
2346 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
2347 ics_gamenum != gamenum) {
2350 while (endtoken[0] == ' ') endtoken++;
2351 switch (endtoken[0]) {
2354 endtype = GameUnfinished;
2357 endtype = BlackWins;
2360 if (endtoken[1] == '/')
2361 endtype = GameIsDrawn;
2363 endtype = WhiteWins;
2366 GameEnds(endtype, why, GE_ICS);
2368 if (appData.zippyPlay && first.initDone) {
2369 ZippyGameEnd(endtype, why);
2370 if (first.pr == NULL) {
2371 /* Start the next process early so that we'll
2372 be ready for the next challenge */
2373 StartChessProgram(&first);
2375 /* Send "new" early, in case this command takes
2376 a long time to finish, so that we'll be ready
2377 for the next challenge. */
2384 if (looking_at(buf, &i, "Removing game * from observation") ||
2385 looking_at(buf, &i, "no longer observing game *") ||
2386 looking_at(buf, &i, "Game * (*) has no examiners")) {
2387 if (gameMode == IcsObserving &&
2388 atoi(star_match[0]) == ics_gamenum)
2393 ics_user_moved = FALSE;
2398 if (looking_at(buf, &i, "no longer examining game *")) {
2399 if (gameMode == IcsExamining &&
2400 atoi(star_match[0]) == ics_gamenum)
2404 ics_user_moved = FALSE;
2409 /* Advance leftover_start past any newlines we find,
2410 so only partial lines can get reparsed */
2411 if (looking_at(buf, &i, "\n")) {
2412 prevColor = curColor;
2413 if (curColor != ColorNormal) {
2414 if (oldi > next_out) {
2415 SendToPlayer(&buf[next_out], oldi - next_out);
2418 Colorize(ColorNormal, FALSE);
2419 curColor = ColorNormal;
2421 if (started == STARTED_BOARD) {
2422 started = STARTED_NONE;
2423 parse[parse_pos] = NULLCHAR;
2424 ParseBoard12(parse);
2427 /* Send premove here */
2428 if (appData.premove) {
2430 if (currentMove == 0 &&
2431 gameMode == IcsPlayingWhite &&
2432 appData.premoveWhite) {
2433 sprintf(str, "%s%s\n", ics_prefix,
2434 appData.premoveWhiteText);
2435 if (appData.debugMode)
2436 fprintf(debugFP, "Sending premove:\n");
2438 } else if (currentMove == 1 &&
2439 gameMode == IcsPlayingBlack &&
2440 appData.premoveBlack) {
2441 sprintf(str, "%s%s\n", ics_prefix,
2442 appData.premoveBlackText);
2443 if (appData.debugMode)
2444 fprintf(debugFP, "Sending premove:\n");
2446 } else if (gotPremove) {
2448 ClearPremoveHighlights();
2449 if (appData.debugMode)
2450 fprintf(debugFP, "Sending premove:\n");
2451 UserMoveEvent(premoveFromX, premoveFromY,
2452 premoveToX, premoveToY,
2457 /* Usually suppress following prompt */
2458 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
2459 if (looking_at(buf, &i, "*% ")) {
2460 savingComment = FALSE;
2464 } else if (started == STARTED_HOLDINGS) {
2466 char new_piece[MSG_SIZ];
2467 started = STARTED_NONE;
2468 parse[parse_pos] = NULLCHAR;
2469 if (appData.debugMode)
2470 fprintf(debugFP, "Parsing holdings: %s\n", parse);
2471 if (sscanf(parse, " game %d", &gamenum) == 1 &&
2472 gamenum == ics_gamenum) {
2473 if (gameInfo.variant == VariantNormal) {
2474 gameInfo.variant = VariantCrazyhouse; /*temp guess*/
2475 /* Get a move list just to see the header, which
2476 will tell us whether this is really bug or zh */
2477 if (ics_getting_history == H_FALSE) {
2478 ics_getting_history = H_REQUESTED;
2479 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2483 new_piece[0] = NULLCHAR;
2484 sscanf(parse, "game %d white [%s black [%s <- %s",
2485 &gamenum, white_holding, black_holding,
2487 white_holding[strlen(white_holding)-1] = NULLCHAR;
2488 black_holding[strlen(black_holding)-1] = NULLCHAR;
2490 if (appData.zippyPlay && first.initDone) {
2491 ZippyHoldings(white_holding, black_holding,
2495 if (tinyLayout || smallLayout) {
2496 char wh[16], bh[16];
2497 PackHolding(wh, white_holding);
2498 PackHolding(bh, black_holding);
2499 sprintf(str, "[%s-%s] %s-%s", wh, bh,
2500 gameInfo.white, gameInfo.black);
2502 sprintf(str, "%s [%s] vs. %s [%s]",
2503 gameInfo.white, white_holding,
2504 gameInfo.black, black_holding);
2506 DrawPosition(FALSE, NULL);
2509 /* Suppress following prompt */
2510 if (looking_at(buf, &i, "*% ")) {
2511 savingComment = FALSE;
2518 i++; /* skip unparsed character and loop back */
2521 if (started != STARTED_MOVES && started != STARTED_BOARD &&
2522 started != STARTED_HOLDINGS && i > next_out) {
2523 SendToPlayer(&buf[next_out], i - next_out);
2527 leftover_len = buf_len - leftover_start;
2528 /* if buffer ends with something we couldn't parse,
2529 reparse it after appending the next read */
2531 } else if (count == 0) {
2532 RemoveInputSource(isr);
2533 DisplayFatalError("Connection closed by ICS", 0, 0);
2535 DisplayFatalError("Error reading from ICS", error, 1);
2540 /* Board style 12 looks like this:
2542 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
2544 * The "<12> " is stripped before it gets to this routine. The two
2545 * trailing 0's (flip state and clock ticking) are later addition, and
2546 * some chess servers may not have them, or may have only the first.
2547 * Additional trailing fields may be added in the future.
2550 #define PATTERN "%72c%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
2552 #define RELATION_OBSERVING_PLAYED 0
2553 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
2554 #define RELATION_PLAYING_MYMOVE 1
2555 #define RELATION_PLAYING_NOTMYMOVE -1
2556 #define RELATION_EXAMINING 2
2557 #define RELATION_ISOLATED_BOARD -3
2558 #define RELATION_STARTING_POSITION -4 /* FICS only */
2561 ParseBoard12(string)
2564 GameMode newGameMode;
2565 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
2566 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
2567 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
2568 char to_play, board_chars[72];
2569 char move_str[500], str[500], elapsed_time[500];
2570 char black[32], white[32];
2572 int prevMove = currentMove;
2575 int fromX, fromY, toX, toY;
2578 fromX = fromY = toX = toY = -1;
2582 if (appData.debugMode)
2583 fprintf(debugFP, "Parsing board: %s\n", string);
2585 move_str[0] = NULLCHAR;
2586 elapsed_time[0] = NULLCHAR;
2587 n = sscanf(string, PATTERN, board_chars, &to_play, &double_push,
2588 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
2589 &gamenum, white, black, &relation, &basetime, &increment,
2590 &white_stren, &black_stren, &white_time, &black_time,
2591 &moveNum, str, elapsed_time, move_str, &ics_flip,
2595 sprintf(str, "Failed to parse board string:\n\"%s\"", string);
2596 DisplayError(str, 0);
2600 /* Convert the move number to internal form */
2601 moveNum = (moveNum - 1) * 2;
2602 if (to_play == 'B') moveNum++;
2603 if (moveNum >= MAX_MOVES) {
2604 DisplayFatalError("Game too long; increase MAX_MOVES and recompile",
2610 case RELATION_OBSERVING_PLAYED:
2611 case RELATION_OBSERVING_STATIC:
2612 if (gamenum == -1) {
2613 /* Old ICC buglet */
2614 relation = RELATION_OBSERVING_STATIC;
2616 newGameMode = IcsObserving;
2618 case RELATION_PLAYING_MYMOVE:
2619 case RELATION_PLAYING_NOTMYMOVE:
2621 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
2622 IcsPlayingWhite : IcsPlayingBlack;
2624 case RELATION_EXAMINING:
2625 newGameMode = IcsExamining;
2627 case RELATION_ISOLATED_BOARD:
2629 /* Just display this board. If user was doing something else,
2630 we will forget about it until the next board comes. */
2631 newGameMode = IcsIdle;
2633 case RELATION_STARTING_POSITION:
2634 newGameMode = gameMode;
2638 /* Modify behavior for initial board display on move listing
2641 switch (ics_getting_history) {
2645 case H_GOT_REQ_HEADER:
2646 case H_GOT_UNREQ_HEADER:
2647 /* This is the initial position of the current game */
2648 gamenum = ics_gamenum;
2649 moveNum = 0; /* old ICS bug workaround */
2650 if (to_play == 'B') {
2651 startedFromSetupPosition = TRUE;
2652 blackPlaysFirst = TRUE;
2654 if (forwardMostMove == 0) forwardMostMove = 1;
2655 if (backwardMostMove == 0) backwardMostMove = 1;
2656 if (currentMove == 0) currentMove = 1;
2658 newGameMode = gameMode;
2659 relation = RELATION_STARTING_POSITION; /* ICC needs this */
2661 case H_GOT_UNWANTED_HEADER:
2662 /* This is an initial board that we don't want */
2664 case H_GETTING_MOVES:
2665 /* Should not happen */
2666 DisplayError("Error gathering move list: extra board", 0);
2667 ics_getting_history = H_FALSE;
2671 /* Take action if this is the first board of a new game, or of a
2672 different game than is currently being displayed. */
2673 if (gamenum != ics_gamenum || newGameMode != gameMode ||
2674 relation == RELATION_ISOLATED_BOARD) {
2676 /* Forget the old game and get the history (if any) of the new one */
2677 if (gameMode != BeginningOfGame) {
2681 if (appData.autoRaiseBoard) BoardToTop();
2683 if (gamenum == -1) {
2684 newGameMode = IcsIdle;
2685 } else if (moveNum > 0 && newGameMode != IcsIdle &&
2686 appData.getMoveList) {
2687 /* Need to get game history */
2688 ics_getting_history = H_REQUESTED;
2689 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2693 /* Initially flip the board to have black on the bottom if playing
2694 black or if the ICS flip flag is set, but let the user change
2695 it with the Flip View button. */
2696 flipView = appData.autoFlipView ?
2697 (newGameMode == IcsPlayingBlack) || ics_flip :
2700 /* Done with values from previous mode; copy in new ones */
2701 gameMode = newGameMode;
2703 ics_gamenum = gamenum;
2704 if (gamenum == gs_gamenum) {
2705 int klen = strlen(gs_kind);
2706 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
2707 sprintf(str, "ICS %s", gs_kind);
2708 gameInfo.event = StrSave(str);
2710 gameInfo.event = StrSave("ICS game");
2712 gameInfo.site = StrSave(appData.icsHost);
2713 gameInfo.date = PGNDate();
2714 gameInfo.round = StrSave("-");
2715 gameInfo.white = StrSave(white);
2716 gameInfo.black = StrSave(black);
2717 timeControl = basetime * 60 * 1000;
2718 timeIncrement = increment * 1000;
2719 movesPerSession = 0;
2720 gameInfo.timeControl = TimeControlTagValue();
2721 gameInfo.variant = StringToVariant(gameInfo.event);
2723 /* Do we have the ratings? */
2724 if (strcmp(player1Name, white) == 0 &&
2725 strcmp(player2Name, black) == 0) {
2726 if (appData.debugMode)
2727 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
2728 player1Rating, player2Rating);
2729 gameInfo.whiteRating = player1Rating;
2730 gameInfo.blackRating = player2Rating;
2731 } else if (strcmp(player2Name, white) == 0 &&
2732 strcmp(player1Name, black) == 0) {
2733 if (appData.debugMode)
2734 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
2735 player2Rating, player1Rating);
2736 gameInfo.whiteRating = player2Rating;
2737 gameInfo.blackRating = player1Rating;
2739 player1Name[0] = player2Name[0] = NULLCHAR;
2741 /* Silence shouts if requested */
2742 if (appData.quietPlay &&
2743 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
2744 SendToICS(ics_prefix);
2745 SendToICS("set shout 0\n");
2749 /* Deal with midgame name changes */
2751 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
2752 if (gameInfo.white) free(gameInfo.white);
2753 gameInfo.white = StrSave(white);
2755 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
2756 if (gameInfo.black) free(gameInfo.black);
2757 gameInfo.black = StrSave(black);
2761 /* Throw away game result if anything actually changes in examine mode */
2762 if (gameMode == IcsExamining && !newGame) {
2763 gameInfo.result = GameUnfinished;
2764 if (gameInfo.resultDetails != NULL) {
2765 free(gameInfo.resultDetails);
2766 gameInfo.resultDetails = NULL;
2770 /* In pausing && IcsExamining mode, we ignore boards coming
2771 in if they are in a different variation than we are. */
2772 if (pauseExamInvalid) return;
2773 if (pausing && gameMode == IcsExamining) {
2774 if (moveNum <= pauseExamForwardMostMove) {
2775 pauseExamInvalid = TRUE;
2776 forwardMostMove = pauseExamForwardMostMove;
2781 /* Parse the board */
2782 for (k = 0; k < 8; k++)
2783 for (j = 0; j < 8; j++)
2784 board[k][j] = CharToPiece(board_chars[(7-k)*9 + j]);
2785 CopyBoard(boards[moveNum], board);
2787 startedFromSetupPosition =
2788 !CompareBoards(board, initialPosition);
2791 if (ics_getting_history == H_GOT_REQ_HEADER ||
2792 ics_getting_history == H_GOT_UNREQ_HEADER) {
2793 /* This was an initial position from a move list, not
2794 the current position */
2798 /* Update currentMove and known move number limits */
2799 newMove = newGame || moveNum > forwardMostMove;
2801 forwardMostMove = backwardMostMove = currentMove = moveNum;
2802 if (gameMode == IcsExamining && moveNum == 0) {
2803 /* Workaround for ICS limitation: we are not told the wild
2804 type when starting to examine a game. But if we ask for
2805 the move list, the move list header will tell us */
2806 ics_getting_history = H_REQUESTED;
2807 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2810 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
2811 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
2812 forwardMostMove = moveNum;
2813 if (!pausing || currentMove > forwardMostMove)
2814 currentMove = forwardMostMove;
2816 /* New part of history that is not contiguous with old part */
2817 if (pausing && gameMode == IcsExamining) {
2818 pauseExamInvalid = TRUE;
2819 forwardMostMove = pauseExamForwardMostMove;
2822 forwardMostMove = backwardMostMove = currentMove = moveNum;
2823 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
2824 ics_getting_history = H_REQUESTED;
2825 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2830 /* Update the clocks */
2831 if (strchr(elapsed_time, '.')) {
2833 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
2834 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
2836 /* Time is in seconds */
2837 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
2838 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
2843 if (appData.zippyPlay && newGame &&
2844 gameMode != IcsObserving && gameMode != IcsIdle &&
2845 gameMode != IcsExamining)
2846 ZippyFirstBoard(moveNum, basetime, increment);
2849 /* Put the move on the move list, first converting
2850 to canonical algebraic form. */
2852 if (moveNum <= backwardMostMove) {
2853 /* We don't know what the board looked like before
2855 strcpy(parseList[moveNum - 1], move_str);
2856 strcat(parseList[moveNum - 1], " ");
2857 strcat(parseList[moveNum - 1], elapsed_time);
2858 moveList[moveNum - 1][0] = NULLCHAR;
2859 } else if (ParseOneMove(move_str, moveNum - 1, &moveType,
2860 &fromX, &fromY, &toX, &toY, &promoChar)) {
2861 (void) CoordsToAlgebraic(boards[moveNum - 1],
2862 PosFlags(moveNum - 1), EP_UNKNOWN,
2863 fromY, fromX, toY, toX, promoChar,
2864 parseList[moveNum-1]);
2865 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN)){
2871 strcat(parseList[moveNum - 1], "+");
2874 strcat(parseList[moveNum - 1], "#");
2877 strcat(parseList[moveNum - 1], " ");
2878 strcat(parseList[moveNum - 1], elapsed_time);
2879 /* currentMoveString is set as a side-effect of ParseOneMove */
2880 strcpy(moveList[moveNum - 1], currentMoveString);
2881 strcat(moveList[moveNum - 1], "\n");
2882 } else if (strcmp(move_str, "none") == 0) {
2883 /* Again, we don't know what the board looked like;
2884 this is really the start of the game. */
2885 parseList[moveNum - 1][0] = NULLCHAR;
2886 moveList[moveNum - 1][0] = NULLCHAR;
2887 backwardMostMove = moveNum;
2888 startedFromSetupPosition = TRUE;
2889 fromX = fromY = toX = toY = -1;
2891 /* Move from ICS was illegal!? Punt. */
2893 if (appData.testLegality && appData.debugMode) {
2894 sprintf(str, "Illegal move \"%s\" from ICS", move_str);
2895 DisplayError(str, 0);
2898 strcpy(parseList[moveNum - 1], move_str);
2899 strcat(parseList[moveNum - 1], " ");
2900 strcat(parseList[moveNum - 1], elapsed_time);
2901 moveList[moveNum - 1][0] = NULLCHAR;
2902 fromX = fromY = toX = toY = -1;
2906 /* Send move to chess program (BEFORE animating it). */
2907 if (appData.zippyPlay && !newGame && newMove &&
2908 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
2910 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
2911 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
2912 if (moveList[moveNum - 1][0] == NULLCHAR) {
2913 sprintf(str, "Couldn't parse move \"%s\" from ICS",
2915 DisplayError(str, 0);
2917 if (first.sendTime) {
2918 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
2920 SendMoveToProgram(moveNum - 1, &first);
2923 if (first.useColors) {
2924 SendToProgram(gameMode == IcsPlayingWhite ?
2926 "black\ngo\n", &first);
2928 SendToProgram("go\n", &first);
2930 first.maybeThinking = TRUE;
2933 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
2934 if (moveList[moveNum - 1][0] == NULLCHAR) {
2935 sprintf(str, "Couldn't parse move \"%s\" from ICS", move_str);
2936 DisplayError(str, 0);
2938 SendMoveToProgram(moveNum - 1, &first);
2945 if (moveNum > 0 && !gotPremove) {
2946 /* If move comes from a remote source, animate it. If it
2947 isn't remote, it will have already been animated. */
2948 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
2949 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
2951 if (!pausing && appData.highlightLastMove) {
2952 SetHighlights(fromX, fromY, toX, toY);
2956 /* Start the clocks */
2957 whiteFlag = blackFlag = FALSE;
2958 appData.clockMode = !(basetime == 0 && increment == 0);
2960 ics_clock_paused = TRUE;
2962 } else if (ticking == 1) {
2963 ics_clock_paused = FALSE;
2965 if (gameMode == IcsIdle ||
2966 relation == RELATION_OBSERVING_STATIC ||
2967 relation == RELATION_EXAMINING ||
2969 DisplayBothClocks();
2973 /* Display opponents and material strengths */
2974 if (gameInfo.variant != VariantBughouse &&
2975 gameInfo.variant != VariantCrazyhouse) {
2976 if (tinyLayout || smallLayout) {
2977 sprintf(str, "%s(%d) %s(%d) {%d %d}",
2978 gameInfo.white, white_stren, gameInfo.black, black_stren,
2979 basetime, increment);
2981 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
2982 gameInfo.white, white_stren, gameInfo.black, black_stren,
2983 basetime, increment);
2989 /* Display the board */
2992 if (appData.premove)
2994 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
2995 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
2996 ClearPremoveHighlights();
2998 DrawPosition(FALSE, boards[currentMove]);
2999 DisplayMove(moveNum - 1);
3000 if (appData.ringBellAfterMoves && !ics_user_moved)
3004 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3011 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
3012 ics_getting_history = H_REQUESTED;
3013 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
3019 AnalysisPeriodicEvent(force)
3022 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
3023 && !force) || !appData.periodicUpdates)
3026 /* Send . command to Crafty to collect stats */
3027 SendToProgram(".\n", &first);
3029 /* Don't send another until we get a response (this makes
3030 us stop sending to old Crafty's which don't understand
3031 the "." command (sending illegal cmds resets node count & time,
3032 which looks bad)) */
3033 programStats.ok_to_send = 0;
3037 SendMoveToProgram(moveNum, cps)
3039 ChessProgramState *cps;
3042 if (cps->useUsermove) {
3043 SendToProgram("usermove ", cps);
3047 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
3048 int len = space - parseList[moveNum];
3049 memcpy(buf, parseList[moveNum], len);
3051 buf[len] = NULLCHAR;
3053 sprintf(buf, "%s\n", parseList[moveNum]);
3055 SendToProgram(buf, cps);
3057 SendToProgram(moveList[moveNum], cps);
3062 SendMoveToICS(moveType, fromX, fromY, toX, toY)
3064 int fromX, fromY, toX, toY;
3066 char user_move[MSG_SIZ];
3070 sprintf(user_move, "say Internal error; bad moveType %d (%d,%d-%d,%d)",
3071 (int)moveType, fromX, fromY, toX, toY);
3072 DisplayError(user_move + strlen("say "), 0);
3074 case WhiteKingSideCastle:
3075 case BlackKingSideCastle:
3076 case WhiteQueenSideCastleWild:
3077 case BlackQueenSideCastleWild:
3078 sprintf(user_move, "o-o\n");
3080 case WhiteQueenSideCastle:
3081 case BlackQueenSideCastle:
3082 case WhiteKingSideCastleWild:
3083 case BlackKingSideCastleWild:
3084 sprintf(user_move, "o-o-o\n");
3086 case WhitePromotionQueen:
3087 case BlackPromotionQueen:
3088 case WhitePromotionRook:
3089 case BlackPromotionRook:
3090 case WhitePromotionBishop:
3091 case BlackPromotionBishop:
3092 case WhitePromotionKnight:
3093 case BlackPromotionKnight:
3094 case WhitePromotionKing:
3095 case BlackPromotionKing:
3096 sprintf(user_move, "%c%c%c%c=%c\n",
3097 'a' + fromX, '1' + fromY, 'a' + toX, '1' + toY,
3098 PieceToChar(PromoPiece(moveType)));
3102 sprintf(user_move, "%c@%c%c\n",
3103 ToUpper(PieceToChar((ChessSquare) fromX)),
3104 'a' + toX, '1' + toY);
3107 case WhiteCapturesEnPassant:
3108 case BlackCapturesEnPassant:
3109 case IllegalMove: /* could be a variant we don't quite understand */
3110 sprintf(user_move, "%c%c%c%c\n",
3111 'a' + fromX, '1' + fromY, 'a' + toX, '1' + toY);
3114 SendToICS(user_move);
3118 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
3123 if (rf == DROP_RANK) {
3124 sprintf(move, "%c@%c%c\n",
3125 ToUpper(PieceToChar((ChessSquare) ff)), 'a' + ft, '1' + rt);
3127 if (promoChar == 'x' || promoChar == NULLCHAR) {
3128 sprintf(move, "%c%c%c%c\n",
3129 'a' + ff, '1' + rf, 'a' + ft, '1' + rt);
3131 sprintf(move, "%c%c%c%c%c\n",
3132 'a' + ff, '1' + rf, 'a' + ft, '1' + rt, promoChar);
3138 ProcessICSInitScript(f)
3143 while (fgets(buf, MSG_SIZ, f)) {
3144 SendToICSDelayed(buf,(long)appData.msLoginDelay);
3151 /* Parser for moves from gnuchess, ICS, or user typein box */
3153 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
3156 ChessMove *moveType;
3157 int *fromX, *fromY, *toX, *toY;
3160 *moveType = yylexstr(moveNum, move);
3161 switch (*moveType) {
3162 case WhitePromotionQueen:
3163 case BlackPromotionQueen:
3164 case WhitePromotionRook:
3165 case BlackPromotionRook:
3166 case WhitePromotionBishop:
3167 case BlackPromotionBishop:
3168 case WhitePromotionKnight:
3169 case BlackPromotionKnight:
3170 case WhitePromotionKing:
3171 case BlackPromotionKing:
3173 case WhiteCapturesEnPassant:
3174 case BlackCapturesEnPassant:
3175 case WhiteKingSideCastle:
3176 case WhiteQueenSideCastle:
3177 case BlackKingSideCastle:
3178 case BlackQueenSideCastle:
3179 case WhiteKingSideCastleWild:
3180 case WhiteQueenSideCastleWild:
3181 case BlackKingSideCastleWild:
3182 case BlackQueenSideCastleWild:
3183 case IllegalMove: /* bug or odd chess variant */
3184 *fromX = currentMoveString[0] - 'a';
3185 *fromY = currentMoveString[1] - '1';
3186 *toX = currentMoveString[2] - 'a';
3187 *toY = currentMoveString[3] - '1';
3188 *promoChar = currentMoveString[4];
3189 if (*fromX < 0 || *fromX > 7 || *fromY < 0 || *fromY > 7 ||
3190 *toX < 0 || *toX > 7 || *toY < 0 || *toY > 7) {
3191 *fromX = *fromY = *toX = *toY = 0;
3194 if (appData.testLegality) {
3195 return (*moveType != IllegalMove);
3197 return !(fromX == fromY && toX == toY);
3202 *fromX = *moveType == WhiteDrop ?
3203 (int) CharToPiece(ToUpper(currentMoveString[0])) :
3204 (int) CharToPiece(ToLower(currentMoveString[0]));
3206 *toX = currentMoveString[2] - 'a';
3207 *toY = currentMoveString[3] - '1';
3208 *promoChar = NULLCHAR;
3212 case ImpossibleMove:
3213 case (ChessMove) 0: /* end of file */
3223 *fromX = *fromY = *toX = *toY = 0;
3224 *promoChar = NULLCHAR;
3231 InitPosition(redraw)
3234 currentMove = forwardMostMove = backwardMostMove = 0;
3235 switch (gameInfo.variant) {
3237 CopyBoard(boards[0], initialPosition);
3239 case VariantTwoKings:
3240 CopyBoard(boards[0], twoKingsPosition);
3241 startedFromSetupPosition = TRUE;
3243 case VariantWildCastle:
3244 CopyBoard(boards[0], initialPosition);
3245 /* !!?shuffle with kings guaranteed to be on d or e file */
3247 case VariantNoCastle:
3248 CopyBoard(boards[0], initialPosition);
3249 /* !!?unconstrained back-rank shuffle */
3251 case VariantFischeRandom:
3252 CopyBoard(boards[0], initialPosition);
3253 /* !!shuffle according to FR rules */
3257 DrawPosition(FALSE, boards[currentMove]);
3261 SendBoard(cps, moveNum)
3262 ChessProgramState *cps;
3265 char message[MSG_SIZ];
3267 if (cps->useSetboard) {
3268 char* fen = PositionToFEN(moveNum);
3269 sprintf(message, "setboard %s\n", fen);
3270 SendToProgram(message, cps);
3276 /* Kludge to set black to move, avoiding the troublesome and now
3277 * deprecated "black" command.
3279 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
3281 SendToProgram("edit\n", cps);
3282 SendToProgram("#\n", cps);
3283 for (i = BOARD_SIZE - 1; i >= 0; i--) {
3284 bp = &boards[moveNum][i][0];
3285 for (j = 0; j < BOARD_SIZE; j++, bp++) {
3286 if ((int) *bp < (int) BlackPawn) {
3287 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
3289 SendToProgram(message, cps);
3294 SendToProgram("c\n", cps);
3295 for (i = BOARD_SIZE - 1; i >= 0; i--) {
3296 bp = &boards[moveNum][i][0];
3297 for (j = 0; j < BOARD_SIZE; j++, bp++) {
3298 if (((int) *bp != (int) EmptySquare)
3299 && ((int) *bp >= (int) BlackPawn)) {
3300 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
3302 SendToProgram(message, cps);
3307 SendToProgram(".\n", cps);
3312 IsPromotion(fromX, fromY, toX, toY)
3313 int fromX, fromY, toX, toY;
3315 return gameMode != EditPosition &&
3316 fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0 &&
3317 ((boards[currentMove][fromY][fromX] == WhitePawn && toY == 7) ||
3318 (boards[currentMove][fromY][fromX] == BlackPawn && toY == 0));
3323 PieceForSquare (x, y)
3327 if (x < 0 || x >= BOARD_SIZE || y < 0 || y >= BOARD_SIZE)
3330 return boards[currentMove][y][x];
3334 OKToStartUserMove(x, y)
3337 ChessSquare from_piece;
3340 if (matchMode) return FALSE;
3341 if (gameMode == EditPosition) return TRUE;
3343 if (x >= 0 && y >= 0)
3344 from_piece = boards[currentMove][y][x];
3346 from_piece = EmptySquare;
3348 if (from_piece == EmptySquare) return FALSE;
3350 white_piece = (int)from_piece >= (int)WhitePawn &&
3351 (int)from_piece <= (int)WhiteKing;
3354 case PlayFromGameFile:
3356 case TwoMachinesPlay:
3364 case MachinePlaysWhite:
3365 case IcsPlayingBlack:
3366 if (appData.zippyPlay) return FALSE;
3368 DisplayMoveError("You are playing Black");
3373 case MachinePlaysBlack:
3374 case IcsPlayingWhite:
3375 if (appData.zippyPlay) return FALSE;
3377 DisplayMoveError("You are playing White");
3383 if (!white_piece && WhiteOnMove(currentMove)) {
3384 DisplayMoveError("It is White's turn");
3387 if (white_piece && !WhiteOnMove(currentMove)) {
3388 DisplayMoveError("It is Black's turn");
3391 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
3392 /* Editing correspondence game history */
3393 /* Could disallow this or prompt for confirmation */
3396 if (currentMove < forwardMostMove) {
3397 /* Discarding moves */
3398 /* Could prompt for confirmation here,
3399 but I don't think that's such a good idea */
3400 forwardMostMove = currentMove;
3404 case BeginningOfGame:
3405 if (appData.icsActive) return FALSE;
3406 if (!appData.noChessProgram) {
3408 DisplayMoveError("You are playing White");
3415 if (!white_piece && WhiteOnMove(currentMove)) {
3416 DisplayMoveError("It is White's turn");
3419 if (white_piece && !WhiteOnMove(currentMove)) {
3420 DisplayMoveError("It is Black's turn");
3429 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
3430 && gameMode != AnalyzeFile && gameMode != Training) {
3431 DisplayMoveError("Displayed position is not current");
3437 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
3438 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
3439 int lastLoadGameUseList = FALSE;
3440 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
3441 ChessMove lastLoadGameStart = (ChessMove) 0;
3445 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
3446 int fromX, fromY, toX, toY;
3451 if (fromX < 0 || fromY < 0) return;
3452 if ((fromX == toX) && (fromY == toY)) {
3456 /* Check if the user is playing in turn. This is complicated because we
3457 let the user "pick up" a piece before it is his turn. So the piece he
3458 tried to pick up may have been captured by the time he puts it down!
3459 Therefore we use the color the user is supposed to be playing in this
3460 test, not the color of the piece that is currently on the starting
3461 square---except in EditGame mode, where the user is playing both
3462 sides; fortunately there the capture race can't happen. (It can
3463 now happen in IcsExamining mode, but that's just too bad. The user
3464 will get a somewhat confusing message in that case.)
3468 case PlayFromGameFile:
3470 case TwoMachinesPlay:
3474 /* We switched into a game mode where moves are not accepted,
3475 perhaps while the mouse button was down. */
3478 case MachinePlaysWhite:
3479 /* User is moving for Black */
3480 if (WhiteOnMove(currentMove)) {
3481 DisplayMoveError("It is White's turn");
3486 case MachinePlaysBlack:
3487 /* User is moving for White */
3488 if (!WhiteOnMove(currentMove)) {
3489 DisplayMoveError("It is Black's turn");
3496 case BeginningOfGame:
3499 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
3500 (int) boards[currentMove][fromY][fromX] <= (int) BlackKing) {
3501 /* User is moving for Black */
3502 if (WhiteOnMove(currentMove)) {
3503 DisplayMoveError("It is White's turn");
3507 /* User is moving for White */
3508 if (!WhiteOnMove(currentMove)) {
3509 DisplayMoveError("It is Black's turn");
3515 case IcsPlayingBlack:
3516 /* User is moving for Black */
3517 if (WhiteOnMove(currentMove)) {
3518 if (!appData.premove) {
3519 DisplayMoveError("It is White's turn");
3520 } else if (toX >= 0 && toY >= 0) {
3523 premoveFromX = fromX;
3524 premoveFromY = fromY;
3525 premovePromoChar = promoChar;
3527 if (appData.debugMode)
3528 fprintf(debugFP, "Got premove: fromX %d,"
3529 "fromY %d, toX %d, toY %d\n",
3530 fromX, fromY, toX, toY);
3536 case IcsPlayingWhite:
3537 /* User is moving for White */
3538 if (!WhiteOnMove(currentMove)) {
3539 if (!appData.premove) {
3540 DisplayMoveError("It is Black's turn");
3541 } else if (toX >= 0 && toY >= 0) {
3544 premoveFromX = fromX;
3545 premoveFromY = fromY;
3546 premovePromoChar = promoChar;
3548 if (appData.debugMode)
3549 fprintf(debugFP, "Got premove: fromX %d,"
3550 "fromY %d, toX %d, toY %d\n",
3551 fromX, fromY, toX, toY);
3561 if (toX == -2 || toY == -2) {
3562 boards[0][fromY][fromX] = EmptySquare;
3563 DrawPosition(FALSE, boards[currentMove]);
3564 } else if (toX >= 0 && toY >= 0) {
3565 boards[0][toY][toX] = boards[0][fromY][fromX];
3566 boards[0][fromY][fromX] = EmptySquare;
3567 DrawPosition(FALSE, boards[currentMove]);
3572 if (toX < 0 || toY < 0) return;
3573 userOfferedDraw = FALSE;
3575 if (appData.testLegality) {
3576 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
3577 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar);
3578 if (moveType == IllegalMove || moveType == ImpossibleMove) {
3579 DisplayMoveError("Illegal move");
3583 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
3586 if (gameMode == Training) {
3587 /* compare the move played on the board to the next move in the
3588 * game. If they match, display the move and the opponent's response.
3589 * If they don't match, display an error message.
3593 CopyBoard(testBoard, boards[currentMove]);
3594 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
3596 if (CompareBoards(testBoard, boards[currentMove+1])) {
3597 ForwardInner(currentMove+1);
3599 /* Autoplay the opponent's response.
3600 * if appData.animate was TRUE when Training mode was entered,
3601 * the response will be animated.
3603 saveAnimate = appData.animate;
3604 appData.animate = animateTraining;
3605 ForwardInner(currentMove+1);
3606 appData.animate = saveAnimate;
3608 /* check for the end of the game */
3609 if (currentMove >= forwardMostMove) {
3610 gameMode = PlayFromGameFile;
3612 SetTrainingModeOff();
3613 DisplayInformation("End of game");
3616 DisplayError("Incorrect move", 0);
3621 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
3624 /* Common tail of UserMoveEvent and DropMenuEvent */
3626 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
3628 int fromX, fromY, toX, toY;
3629 /*char*/int promoChar;
3631 /* Ok, now we know that the move is good, so we can kill
3632 the previous line in Analysis Mode */
3633 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
3634 forwardMostMove = currentMove;
3637 /* If we need the chess program but it's dead, restart it */
3638 ResurrectChessProgram();
3640 /* A user move restarts a paused game*/
3644 thinkOutput[0] = NULLCHAR;
3646 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
3648 if (gameMode == BeginningOfGame) {
3649 if (appData.noChessProgram) {
3650 gameMode = EditGame;
3654 gameMode = MachinePlaysBlack;
3656 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
3658 if (first.sendName) {
3659 sprintf(buf, "name %s\n", gameInfo.white);
3660 SendToProgram(buf, &first);
3666 /* Relay move to ICS or chess engine */
3667 if (appData.icsActive) {
3668 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
3669 gameMode == IcsExamining) {
3670 SendMoveToICS(moveType, fromX, fromY, toX, toY);
3674 if (first.sendTime && (gameMode == BeginningOfGame ||
3675 gameMode == MachinePlaysWhite ||
3676 gameMode == MachinePlaysBlack)) {
3677 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
3679 SendMoveToProgram(forwardMostMove-1, &first);
3680 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
3681 first.maybeThinking = TRUE;
3683 if (currentMove == cmailOldMove + 1) {
3684 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
3688 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
3692 switch (MateTest(boards[currentMove], PosFlags(currentMove),
3698 if (WhiteOnMove(currentMove)) {
3699 GameEnds(BlackWins, "Black mates", GE_PLAYER);
3701 GameEnds(WhiteWins, "White mates", GE_PLAYER);
3705 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
3710 case MachinePlaysBlack:
3711 case MachinePlaysWhite:
3712 /* disable certain menu options while machine is thinking */
3713 SetMachineThinkingEnables();
3722 HandleMachineMove(message, cps)
3724 ChessProgramState *cps;
3726 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
3727 char realname[MSG_SIZ];
3728 int fromX, fromY, toX, toY;
3735 * Kludge to ignore BEL characters
3737 while (*message == '\007') message++;
3740 * Look for book output
3742 if (cps == &first && bookRequested) {
3743 if (message[0] == '\t' || message[0] == ' ') {
3744 /* Part of the book output is here; append it */
3745 strcat(bookOutput, message);
3746 strcat(bookOutput, " \n");
3748 } else if (bookOutput[0] != NULLCHAR) {
3749 /* All of book output has arrived; display it */
3750 char *p = bookOutput;
3751 while (*p != NULLCHAR) {
3752 if (*p == '\t') *p = ' ';
3755 DisplayInformation(bookOutput);
3756 bookRequested = FALSE;
3757 /* Fall through to parse the current output */
3762 * Look for machine move.
3764 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 &&
3765 strcmp(buf2, "...") == 0) ||
3766 (sscanf(message, "%s %s", buf1, machineMove) == 2 &&
3767 strcmp(buf1, "move") == 0)) {
3769 /* This method is only useful on engines that support ping */
3770 if (cps->lastPing != cps->lastPong) {
3771 if (gameMode == BeginningOfGame) {
3772 /* Extra move from before last new; ignore */
3773 if (appData.debugMode) {
3774 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
3777 if (appData.debugMode) {
3778 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
3779 cps->which, gameMode);
3781 SendToProgram("undo\n", cps);
3787 case BeginningOfGame:
3788 /* Extra move from before last reset; ignore */
3789 if (appData.debugMode) {
3790 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
3797 /* Extra move after we tried to stop. The mode test is
3798 not a reliable way of detecting this problem, but it's
3799 the best we can do on engines that don't support ping.
3801 if (appData.debugMode) {
3802 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
3803 cps->which, gameMode);
3805 SendToProgram("undo\n", cps);
3808 case MachinePlaysWhite:
3809 case IcsPlayingWhite:
3810 machineWhite = TRUE;
3813 case MachinePlaysBlack:
3814 case IcsPlayingBlack:
3815 machineWhite = FALSE;
3818 case TwoMachinesPlay:
3819 machineWhite = (cps->twoMachinesColor[0] == 'w');
3822 if (WhiteOnMove(forwardMostMove) != machineWhite) {
3823 if (appData.debugMode) {
3825 "Ignoring move out of turn by %s, gameMode %d"
3826 ", forwardMost %d\n",
3827 cps->which, gameMode, forwardMostMove);
3832 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
3833 &fromX, &fromY, &toX, &toY, &promoChar)) {
3834 /* Machine move could not be parsed; ignore it. */
3835 sprintf(buf1, "Illegal move \"%s\" from %s machine",
3836 machineMove, cps->which);
3837 DisplayError(buf1, 0);
3838 if (gameMode == TwoMachinesPlay) {
3839 GameEnds(machineWhite ? BlackWins : WhiteWins,
3840 "Forfeit due to illegal move", GE_XBOARD);
3845 hintRequested = FALSE;
3846 lastHint[0] = NULLCHAR;
3847 bookRequested = FALSE;
3848 /* Program may be pondering now */
3849 cps->maybeThinking = TRUE;
3850 if (cps->sendTime == 2) cps->sendTime = 1;
3851 if (cps->offeredDraw) cps->offeredDraw--;
3854 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
3856 SendMoveToICS(moveType, fromX, fromY, toX, toY);
3860 /* currentMoveString is set as a side-effect of ParseOneMove */
3861 strcpy(machineMove, currentMoveString);
3862 strcat(machineMove, "\n");
3863 strcpy(moveList[forwardMostMove], machineMove);
3865 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
3867 if (gameMode == TwoMachinesPlay) {
3868 if (cps->other->sendTime) {
3869 SendTimeRemaining(cps->other,
3870 cps->other->twoMachinesColor[0] == 'w');
3872 SendMoveToProgram(forwardMostMove-1, cps->other);
3875 if (cps->other->useColors) {
3876 SendToProgram(cps->other->twoMachinesColor, cps->other);
3878 SendToProgram("go\n", cps->other);
3880 cps->other->maybeThinking = TRUE;
3883 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
3884 if (!pausing && appData.ringBellAfterMoves) {
3888 * Reenable menu items that were disabled while
3889 * machine was thinking
3891 if (gameMode != TwoMachinesPlay)
3892 SetUserThinkingEnables();
3896 /* Set special modes for chess engines. Later something general
3897 * could be added here; for now there is just one kludge feature,
3898 * needed because Crafty 15.10 and earlier don't ignore SIGINT
3899 * when "xboard" is given as an interactive command.
3901 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
3902 cps->useSigint = FALSE;
3903 cps->useSigterm = FALSE;
3907 * Look for communication commands
3909 if (!strncmp(message, "telluser ", 9)) {
3910 DisplayNote(message + 9);
3913 if (!strncmp(message, "tellusererror ", 14)) {
3914 DisplayError(message + 14, 0);
3917 if (!strncmp(message, "tellopponent ", 13)) {
3918 if (appData.icsActive) {
3920 sprintf(buf1, "%ssay %s\n", ics_prefix, message + 13);
3924 DisplayNote(message + 13);
3928 if (!strncmp(message, "tellothers ", 11)) {
3929 if (appData.icsActive) {
3931 sprintf(buf1, "%swhisper %s\n", ics_prefix, message + 11);
3937 if (!strncmp(message, "tellall ", 8)) {
3938 if (appData.icsActive) {
3940 sprintf(buf1, "%skibitz %s\n", ics_prefix, message + 8);
3944 DisplayNote(message + 8);
3948 if (strncmp(message, "warning", 7) == 0) {
3949 /* Undocumented feature, use tellusererror in new code */
3950 DisplayError(message, 0);
3953 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
3954 strcpy(realname, cps->tidy);
3955 strcat(realname, " query");
3956 AskQuestion(realname, buf2, buf1, cps->pr);
3959 /* Commands from the engine directly to ICS. We don't allow these to be
3960 * sent until we are logged on. Crafty kibitzes have been known to
3961 * interfere with the login process.
3964 if (!strncmp(message, "tellics ", 8)) {
3965 SendToICS(message + 8);
3969 if (!strncmp(message, "tellicsnoalias ", 15)) {
3970 SendToICS(ics_prefix);
3971 SendToICS(message + 15);
3975 /* The following are for backward compatibility only */
3976 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
3977 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
3978 SendToICS(ics_prefix);
3984 if (strncmp(message, "feature ", 8) == 0) {
3985 ParseFeatures(message+8, cps);
3987 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
3991 * If the move is illegal, cancel it and redraw the board.
3992 * Also deal with other error cases. Matching is rather loose
3993 * here to accommodate engines written before the spec.
3995 if (strncmp(message + 1, "llegal move", 11) == 0 ||
3996 strncmp(message, "Error", 5) == 0) {
3997 if (StrStr(message, "name") ||
3998 StrStr(message, "rating") || StrStr(message, "?") ||
3999 StrStr(message, "result") || StrStr(message, "board") ||
4000 StrStr(message, "bk") || StrStr(message, "computer") ||
4001 StrStr(message, "variant") || StrStr(message, "hint") ||
4002 StrStr(message, "random") || StrStr(message, "depth") ||
4003 StrStr(message, "accepted")) {
4006 if (StrStr(message, "protover")) {
4007 /* Program is responding to input, so it's apparently done
4008 initializing, and this error message indicates it is
4009 protocol version 1. So we don't need to wait any longer
4010 for it to initialize and send feature commands. */
4011 FeatureDone(cps, 1);
4012 cps->protocolVersion = 1;
4015 cps->maybeThinking = FALSE;
4017 if (StrStr(message, "draw")) {
4018 /* Program doesn't have "draw" command */
4019 cps->sendDrawOffers = 0;
4022 if (cps->sendTime != 1 &&
4023 (StrStr(message, "time") || StrStr(message, "otim"))) {
4024 /* Program apparently doesn't have "time" or "otim" command */
4028 if (StrStr(message, "analyze")) {
4029 cps->analysisSupport = FALSE;
4030 cps->analyzing = FALSE;
4032 sprintf(buf2, "%s does not support analysis", cps->tidy);
4033 DisplayError(buf2, 0);
4036 if (StrStr(message, "(no matching move)st")) {
4037 /* Special kludge for GNU Chess 4 only */
4038 cps->stKludge = TRUE;
4039 SendTimeControl(cps, movesPerSession, timeControl,
4040 timeIncrement, appData.searchDepth,
4044 if (StrStr(message, "(no matching move)sd")) {
4045 /* Special kludge for GNU Chess 4 only */
4046 cps->sdKludge = TRUE;
4047 SendTimeControl(cps, movesPerSession, timeControl,
4048 timeIncrement, appData.searchDepth,
4052 if (!StrStr(message, "llegal")) return;
4053 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
4054 gameMode == IcsIdle) return;
4055 if (forwardMostMove <= backwardMostMove) return;
4057 /* Following removed: it caused a bug where a real illegal move
4058 message in analyze mored would be ignored. */
4059 if (cps == &first && programStats.ok_to_send == 0) {
4060 /* Bogus message from Crafty responding to "." This filtering
4061 can miss some of the bad messages, but fortunately the bug
4062 is fixed in current Crafty versions, so it doesn't matter. */
4066 if (pausing) PauseEvent();
4067 if (gameMode == PlayFromGameFile) {
4068 /* Stop reading this game file */
4069 gameMode = EditGame;
4072 currentMove = --forwardMostMove;
4073 DisplayMove(currentMove-1); /* before DisplayMoveError */
4075 DisplayBothClocks();
4076 sprintf(buf1, "Illegal move \"%s\" (rejected by %s chess program)",
4077 parseList[currentMove], cps->which);
4078 DisplayMoveError(buf1);
4079 DrawPosition(FALSE, boards[currentMove]);
4082 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
4083 /* Program has a broken "time" command that
4084 outputs a string not ending in newline.
4090 * If chess program startup fails, exit with an error message.
4091 * Attempts to recover here are futile.
4093 if ((StrStr(message, "unknown host") != NULL)
4094 || (StrStr(message, "No remote directory") != NULL)
4095 || (StrStr(message, "not found") != NULL)
4096 || (StrStr(message, "No such file") != NULL)
4097 || (StrStr(message, "can't alloc") != NULL)
4098 || (StrStr(message, "Permission denied") != NULL)) {
4100 cps->maybeThinking = FALSE;
4101 sprintf(buf1, "Failed to start %s chess program %s on %s: %s\n",
4102 cps->which, cps->program, cps->host, message);
4103 RemoveInputSource(cps->isr);
4104 DisplayFatalError(buf1, 0, 1);
4109 * Look for hint output
4111 if (sscanf(message, "Hint: %s", buf1) == 1) {
4112 if (cps == &first && hintRequested) {
4113 hintRequested = FALSE;
4114 if (ParseOneMove(buf1, forwardMostMove, &moveType,
4115 &fromX, &fromY, &toX, &toY, &promoChar)) {
4116 (void) CoordsToAlgebraic(boards[forwardMostMove],
4117 PosFlags(forwardMostMove), EP_UNKNOWN,
4118 fromY, fromX, toY, toX, promoChar, buf1);
4119 sprintf(buf2, "Hint: %s", buf1);
4120 DisplayInformation(buf2);
4122 /* Hint move could not be parsed!? */
4124 "Illegal hint move \"%s\"\nfrom %s chess program",
4126 DisplayError(buf2, 0);
4129 strcpy(lastHint, buf1);
4135 * Ignore other messages if game is not in progress
4137 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
4138 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
4141 * look for win, lose, draw, or draw offer
4143 if (strncmp(message, "1-0", 3) == 0) {
4144 char *p, *q, *r = "";
4145 p = strchr(message, '{');
4153 GameEnds(WhiteWins, r, GE_ENGINE);
4155 } else if (strncmp(message, "0-1", 3) == 0) {
4156 char *p, *q, *r = "";
4157 p = strchr(message, '{');
4165 /* Kludge for Arasan 4.1 bug */
4166 if (strcmp(r, "Black resigns") == 0) {
4167 GameEnds(WhiteWins, r, GE_ENGINE);
4170 GameEnds(BlackWins, r, GE_ENGINE);
4172 } else if (strncmp(message, "1/2", 3) == 0) {
4173 char *p, *q, *r = "";
4174 p = strchr(message, '{');
4182 GameEnds(GameIsDrawn, r, GE_ENGINE);
4185 } else if (strncmp(message, "White resign", 12) == 0) {
4186 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4188 } else if (strncmp(message, "Black resign", 12) == 0) {
4189 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4191 } else if (strncmp(message, "White", 5) == 0 &&
4192 message[5] != '(' &&
4193 StrStr(message, "Black") == NULL) {
4194 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4196 } else if (strncmp(message, "Black", 5) == 0 &&
4197 message[5] != '(') {
4198 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4200 } else if (strcmp(message, "resign") == 0 ||
4201 strcmp(message, "computer resigns") == 0) {
4203 case MachinePlaysBlack:
4204 case IcsPlayingBlack:
4205 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4207 case MachinePlaysWhite:
4208 case IcsPlayingWhite:
4209 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4211 case TwoMachinesPlay:
4212 if (cps->twoMachinesColor[0] == 'w')
4213 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4215 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4222 } else if (strncmp(message, "opponent mates", 14) == 0) {
4224 case MachinePlaysBlack:
4225 case IcsPlayingBlack:
4226 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4228 case MachinePlaysWhite:
4229 case IcsPlayingWhite:
4230 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4232 case TwoMachinesPlay:
4233 if (cps->twoMachinesColor[0] == 'w')
4234 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4236 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4243 } else if (strncmp(message, "computer mates", 14) == 0) {
4245 case MachinePlaysBlack:
4246 case IcsPlayingBlack:
4247 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4249 case MachinePlaysWhite:
4250 case IcsPlayingWhite:
4251 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4253 case TwoMachinesPlay:
4254 if (cps->twoMachinesColor[0] == 'w')
4255 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4257 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4264 } else if (strncmp(message, "checkmate", 9) == 0) {
4265 if (WhiteOnMove(forwardMostMove)) {
4266 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4268 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4271 } else if (strstr(message, "Draw") != NULL ||
4272 strstr(message, "game is a draw") != NULL) {
4273 GameEnds(GameIsDrawn, "Draw", GE_ENGINE);
4275 } else if (strstr(message, "offer") != NULL &&
4276 strstr(message, "draw") != NULL) {
4278 if (appData.zippyPlay && first.initDone) {
4279 /* Relay offer to ICS */
4280 SendToICS(ics_prefix);
4281 SendToICS("draw\n");
4284 cps->offeredDraw = 2; /* valid until this engine moves twice */
4285 if (gameMode == TwoMachinesPlay) {
4286 if (cps->other->offeredDraw) {
4287 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
4289 if (cps->other->sendDrawOffers) {
4290 SendToProgram("draw\n", cps->other);
4293 } else if (gameMode == MachinePlaysWhite ||
4294 gameMode == MachinePlaysBlack) {
4295 if (userOfferedDraw) {
4296 DisplayInformation("Machine accepts your draw offer");
4297 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
4299 DisplayInformation("Machine offers a draw\nSelect Action / Draw to agree");
4306 * Look for thinking output
4308 if (appData.showThinking) {
4309 int plylev, mvleft, mvtot, curscore, time;
4310 char mvname[MOVE_LEN];
4311 unsigned long nodes;
4314 int prefixHint = FALSE;
4315 mvname[0] = NULLCHAR;
4318 case MachinePlaysBlack:
4319 case IcsPlayingBlack:
4320 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
4322 case MachinePlaysWhite:
4323 case IcsPlayingWhite:
4324 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
4329 case TwoMachinesPlay:
4330 if ((cps->twoMachinesColor[0] == 'w') !=
4331 WhiteOnMove(forwardMostMove)) {
4342 if (sscanf(message, "%d%c %d %d %lu %[^\n]\n",
4343 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
4345 if (plyext != ' ' && plyext != '\t') {
4348 programStats.depth = plylev;
4349 programStats.nodes = nodes;
4350 programStats.time = time;
4351 programStats.score = curscore;
4352 programStats.got_only_move = 0;
4354 /* Buffer overflow protection */
4355 if (buf1[0] != NULLCHAR) {
4356 if (strlen(buf1) >= sizeof(programStats.movelist)
4357 && appData.debugMode) {
4359 "PV is too long; using the first %d bytes.\n",
4360 sizeof(programStats.movelist) - 1);
4362 strncpy(programStats.movelist, buf1,
4363 sizeof(programStats.movelist));
4364 programStats.movelist[sizeof(programStats.movelist) - 1]
4367 sprintf(programStats.movelist, " no PV\n");
4370 if (programStats.seen_stat) {
4371 programStats.ok_to_send = 1;
4374 if (strchr(programStats.movelist, '(') != NULL) {
4375 programStats.line_is_book = 1;
4376 programStats.nr_moves = 0;
4377 programStats.moves_left = 0;
4379 programStats.line_is_book = 0;
4382 sprintf(thinkOutput, "[%d]%c%+.2f %s%s%s",
4384 (gameMode == TwoMachinesPlay ?
4385 ToUpper(cps->twoMachinesColor[0]) : ' '),
4386 ((double) curscore) / 100.0,
4387 prefixHint ? lastHint : "",
4388 prefixHint ? " " : "", buf1);
4390 if (currentMove == forwardMostMove ||
4391 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
4392 DisplayMove(currentMove - 1);
4397 } else if ((p=StrStr(message, "(only move)")) != NULL) {
4398 /* crafty (9.25+) says "(only move) <move>"
4399 * if there is only 1 legal move
4401 sscanf(p, "(only move) %s", buf1);
4402 sprintf(thinkOutput, "%s (only move)", buf1);
4403 sprintf(programStats.movelist, "%s (only move)", buf1);
4404 programStats.depth = 1;
4405 programStats.nr_moves = 1;
4406 programStats.moves_left = 1;
4407 programStats.nodes = 1;
4408 programStats.time = 1;
4409 programStats.got_only_move = 1;
4411 /* Not really, but we also use this member to
4412 mean "line isn't going to change" (Crafty
4413 isn't searching, so stats won't change) */
4414 programStats.line_is_book = 1;
4416 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
4417 gameMode == AnalyzeFile) {
4418 DisplayMove(currentMove - 1);
4422 } else if (sscanf(message,"stat01: %d %lu %d %d %d %s",
4423 &time, &nodes, &plylev, &mvleft,
4424 &mvtot, mvname) >= 5) {
4425 /* The stat01: line is from Crafty (9.29+) in response
4426 to the "." command */
4427 programStats.seen_stat = 1;
4428 cps->maybeThinking = TRUE;
4430 if (programStats.got_only_move || !appData.periodicUpdates)
4433 programStats.depth = plylev;
4434 programStats.time = time;
4435 programStats.nodes = nodes;
4436 programStats.moves_left = mvleft;
4437 programStats.nr_moves = mvtot;
4438 strcpy(programStats.move_name, mvname);
4439 programStats.ok_to_send = 1;
4443 } else if (strncmp(message,"++",2) == 0) {
4444 /* Crafty 9.29+ outputs this */
4445 programStats.got_fail = 2;
4448 } else if (strncmp(message,"--",2) == 0) {
4449 /* Crafty 9.29+ outputs this */
4450 programStats.got_fail = 1;
4453 } else if (thinkOutput[0] != NULLCHAR &&
4454 strncmp(message, " ", 4) == 0) {
4456 while (*p && *p == ' ') p++;
4457 strcat(thinkOutput, " ");
4458 strcat(thinkOutput, p);
4459 strcat(programStats.movelist, " ");
4460 strcat(programStats.movelist, p);
4461 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
4462 gameMode == AnalyzeFile) {
4463 DisplayMove(currentMove - 1);
4473 /* Parse a game score from the character string "game", and
4474 record it as the history of the current game. The game
4475 score is NOT assumed to start from the standard position.
4476 The display is not updated in any way.
4479 ParseGameHistory(game)
4483 int fromX, fromY, toX, toY, boardIndex;
4488 if (appData.debugMode)
4489 fprintf(debugFP, "Parsing game history: %s\n", game);
4491 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
4492 gameInfo.site = StrSave(appData.icsHost);
4493 gameInfo.date = PGNDate();
4494 gameInfo.round = StrSave("-");
4496 /* Parse out names of players */
4497 while (*game == ' ') game++;
4499 while (*game != ' ') *p++ = *game++;
4501 gameInfo.white = StrSave(buf);
4502 while (*game == ' ') game++;
4504 while (*game != ' ' && *game != '\n') *p++ = *game++;
4506 gameInfo.black = StrSave(buf);
4509 boardIndex = blackPlaysFirst ? 1 : 0;
4512 yyboardindex = boardIndex;
4513 moveType = (ChessMove) yylex();
4515 case WhitePromotionQueen:
4516 case BlackPromotionQueen:
4517 case WhitePromotionRook:
4518 case BlackPromotionRook:
4519 case WhitePromotionBishop:
4520 case BlackPromotionBishop:
4521 case WhitePromotionKnight:
4522 case BlackPromotionKnight:
4523 case WhitePromotionKing:
4524 case BlackPromotionKing:
4526 case WhiteCapturesEnPassant:
4527 case BlackCapturesEnPassant:
4528 case WhiteKingSideCastle:
4529 case WhiteQueenSideCastle:
4530 case BlackKingSideCastle:
4531 case BlackQueenSideCastle:
4532 case WhiteKingSideCastleWild:
4533 case WhiteQueenSideCastleWild:
4534 case BlackKingSideCastleWild:
4535 case BlackQueenSideCastleWild:
4536 case IllegalMove: /* maybe suicide chess, etc. */
4537 fromX = currentMoveString[0] - 'a';
4538 fromY = currentMoveString[1] - '1';
4539 toX = currentMoveString[2] - 'a';
4540 toY = currentMoveString[3] - '1';
4541 promoChar = currentMoveString[4];
4545 fromX = moveType == WhiteDrop ?
4546 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4547 (int) CharToPiece(ToLower(currentMoveString[0]));
4549 toX = currentMoveString[2] - 'a';
4550 toY = currentMoveString[3] - '1';
4551 promoChar = NULLCHAR;
4555 sprintf(buf, "Ambiguous move in ICS output: \"%s\"", yy_text);
4556 DisplayError(buf, 0);
4558 case ImpossibleMove:
4560 sprintf(buf, "Illegal move in ICS output: \"%s\"", yy_text);
4561 DisplayError(buf, 0);
4563 case (ChessMove) 0: /* end of file */
4564 if (boardIndex < backwardMostMove) {
4565 /* Oops, gap. How did that happen? */
4566 DisplayError("Gap in move list", 0);
4569 backwardMostMove = blackPlaysFirst ? 1 : 0;
4570 if (boardIndex > forwardMostMove) {
4571 forwardMostMove = boardIndex;
4575 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
4576 strcat(parseList[boardIndex-1], " ");
4577 strcat(parseList[boardIndex-1], yy_text);
4589 case GameUnfinished:
4590 if (gameMode == IcsExamining) {
4591 if (boardIndex < backwardMostMove) {
4592 /* Oops, gap. How did that happen? */
4595 backwardMostMove = blackPlaysFirst ? 1 : 0;
4598 gameInfo.result = moveType;
4599 p = strchr(yy_text, '{');
4600 if (p == NULL) p = strchr(yy_text, '(');
4603 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
4605 q = strchr(p, *p == '{' ? '}' : ')');
4606 if (q != NULL) *q = NULLCHAR;
4609 gameInfo.resultDetails = StrSave(p);
4612 if (boardIndex >= forwardMostMove &&
4613 !(gameMode == IcsObserving && ics_gamenum == -1)) {
4614 backwardMostMove = blackPlaysFirst ? 1 : 0;
4617 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
4618 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
4619 parseList[boardIndex]);
4620 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
4621 /* currentMoveString is set as a side-effect of yylex */
4622 strcpy(moveList[boardIndex], currentMoveString);
4623 strcat(moveList[boardIndex], "\n");
4625 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
4626 switch (MateTest(boards[boardIndex],
4627 PosFlags(boardIndex), EP_UNKNOWN)) {
4633 strcat(parseList[boardIndex - 1], "+");
4636 strcat(parseList[boardIndex - 1], "#");
4643 /* Apply a move to the given board */
4645 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
4646 int fromX, fromY, toX, toY;
4650 ChessSquare captured = board[toY][toX];
4651 if (fromY == DROP_RANK) {
4653 board[toY][toX] = (ChessSquare) fromX;
4654 } else if (fromX == toX && fromY == toY) {
4656 } else if (fromY == 0 && fromX == 4
4657 && board[fromY][fromX] == WhiteKing
4658 && toY == 0 && toX == 6) {
4659 board[fromY][fromX] = EmptySquare;
4660 board[toY][toX] = WhiteKing;
4661 board[fromY][7] = EmptySquare;
4662 board[toY][5] = WhiteRook;
4663 } else if (fromY == 0 && fromX == 4
4664 && board[fromY][fromX] == WhiteKing
4665 && toY == 0 && toX == 2) {
4666 board[fromY][fromX] = EmptySquare;
4667 board[toY][toX] = WhiteKing;
4668 board[fromY][0] = EmptySquare;
4669 board[toY][3] = WhiteRook;
4670 } else if (fromY == 0 && fromX == 3
4671 && board[fromY][fromX] == WhiteKing
4672 && toY == 0 && toX == 5) {
4673 board[fromY][fromX] = EmptySquare;
4674 board[toY][toX] = WhiteKing;
4675 board[fromY][7] = EmptySquare;
4676 board[toY][4] = WhiteRook;
4677 } else if (fromY == 0 && fromX == 3
4678 && board[fromY][fromX] == WhiteKing
4679 && toY == 0 && toX == 1) {
4680 board[fromY][fromX] = EmptySquare;
4681 board[toY][toX] = WhiteKing;
4682 board[fromY][0] = EmptySquare;
4683 board[toY][2] = WhiteRook;
4684 } else if (board[fromY][fromX] == WhitePawn
4686 /* white pawn promotion */
4687 board[7][toX] = CharToPiece(ToUpper(promoChar));
4688 if (board[7][toX] == EmptySquare) {
4689 board[7][toX] = WhiteQueen;
4691 board[fromY][fromX] = EmptySquare;
4692 } else if ((fromY == 4)
4694 && (board[fromY][fromX] == WhitePawn)
4695 && (board[toY][toX] == EmptySquare)) {
4696 board[fromY][fromX] = EmptySquare;
4697 board[toY][toX] = WhitePawn;
4698 captured = board[toY - 1][toX];
4699 board[toY - 1][toX] = EmptySquare;
4700 } else if (fromY == 7 && fromX == 4
4701 && board[fromY][fromX] == BlackKing
4702 && toY == 7 && toX == 6) {
4703 board[fromY][fromX] = EmptySquare;
4704 board[toY][toX] = BlackKing;
4705 board[fromY][7] = EmptySquare;
4706 board[toY][5] = BlackRook;
4707 } else if (fromY == 7 && fromX == 4
4708 && board[fromY][fromX] == BlackKing
4709 && toY == 7 && toX == 2) {
4710 board[fromY][fromX] = EmptySquare;
4711 board[toY][toX] = BlackKing;
4712 board[fromY][0] = EmptySquare;
4713 board[toY][3] = BlackRook;
4714 } else if (fromY == 7 && fromX == 3
4715 && board[fromY][fromX] == BlackKing
4716 && toY == 7 && toX == 5) {
4717 board[fromY][fromX] = EmptySquare;
4718 board[toY][toX] = BlackKing;
4719 board[fromY][7] = EmptySquare;
4720 board[toY][4] = BlackRook;
4721 } else if (fromY == 7 && fromX == 3
4722 && board[fromY][fromX] == BlackKing
4723 && toY == 7 && toX == 1) {
4724 board[fromY][fromX] = EmptySquare;
4725 board[toY][toX] = BlackKing;
4726 board[fromY][0] = EmptySquare;
4727 board[toY][2] = BlackRook;
4728 } else if (board[fromY][fromX] == BlackPawn
4730 /* black pawn promotion */
4731 board[0][toX] = CharToPiece(ToLower(promoChar));
4732 if (board[0][toX] == EmptySquare) {
4733 board[0][toX] = BlackQueen;
4735 board[fromY][fromX] = EmptySquare;
4736 } else if ((fromY == 3)
4738 && (board[fromY][fromX] == BlackPawn)
4739 && (board[toY][toX] == EmptySquare)) {
4740 board[fromY][fromX] = EmptySquare;
4741 board[toY][toX] = BlackPawn;
4742 captured = board[toY + 1][toX];
4743 board[toY + 1][toX] = EmptySquare;
4745 board[toY][toX] = board[fromY][fromX];
4746 board[fromY][fromX] = EmptySquare;
4748 if (gameInfo.variant == VariantCrazyhouse) {
4750 /* !!A lot more code needs to be written to support holdings */
4751 if (fromY == DROP_RANK) {
4752 /* Delete from holdings */
4753 if (holdings[(int) fromX] > 0) holdings[(int) fromX]--;
4755 if (captured != EmptySquare) {
4756 /* Add to holdings */
4757 if (captured < BlackPawn) {
4758 holdings[(int)captured - (int)BlackPawn + (int)WhitePawn]++;
4760 holdings[(int)captured - (int)WhitePawn + (int)BlackPawn]++;
4764 } else if (gameInfo.variant == VariantAtomic) {
4765 if (captured != EmptySquare) {
4767 for (y = toY-1; y <= toY+1; y++) {
4768 for (x = toX-1; x <= toX+1; x++) {
4769 if (y >= 0 && y <= 7 && x >= 0 && x <= 7 &&
4770 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
4771 board[y][x] = EmptySquare;
4775 board[toY][toX] = EmptySquare;
4780 /* Updates forwardMostMove */
4782 MakeMove(fromX, fromY, toX, toY, promoChar)
4783 int fromX, fromY, toX, toY;
4787 if (forwardMostMove >= MAX_MOVES) {
4788 DisplayFatalError("Game too long; increase MAX_MOVES and recompile",
4793 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
4794 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
4795 if (commentList[forwardMostMove] != NULL) {
4796 free(commentList[forwardMostMove]);
4797 commentList[forwardMostMove] = NULL;
4799 CopyBoard(boards[forwardMostMove], boards[forwardMostMove - 1]);
4800 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove]);
4801 gameInfo.result = GameUnfinished;
4802 if (gameInfo.resultDetails != NULL) {
4803 free(gameInfo.resultDetails);
4804 gameInfo.resultDetails = NULL;
4806 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
4807 moveList[forwardMostMove - 1]);
4808 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
4809 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
4810 fromY, fromX, toY, toX, promoChar,
4811 parseList[forwardMostMove - 1]);
4812 switch (MateTest(boards[forwardMostMove],
4813 PosFlags(forwardMostMove), EP_UNKNOWN)){
4819 strcat(parseList[forwardMostMove - 1], "+");
4822 strcat(parseList[forwardMostMove - 1], "#");
4827 /* Updates currentMove if not pausing */
4829 ShowMove(fromX, fromY, toX, toY)
4831 int instant = (gameMode == PlayFromGameFile) ?
4832 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
4833 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
4835 if (forwardMostMove == currentMove + 1) {
4836 AnimateMove(boards[forwardMostMove - 1],
4837 fromX, fromY, toX, toY);
4839 if (appData.highlightLastMove) {
4840 SetHighlights(fromX, fromY, toX, toY);
4843 currentMove = forwardMostMove;
4846 if (instant) return;
4847 DisplayMove(currentMove - 1);
4848 DrawPosition(FALSE, boards[currentMove]);
4849 DisplayBothClocks();
4850 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
4855 InitChessProgram(cps)
4856 ChessProgramState *cps;
4859 if (appData.noChessProgram) return;
4860 hintRequested = FALSE;
4861 bookRequested = FALSE;
4862 SendToProgram(cps->initString, cps);
4863 if (gameInfo.variant != VariantNormal &&
4864 gameInfo.variant != VariantLoadable) {
4865 char *v = VariantName(gameInfo.variant);
4866 if (StrStr(cps->variants, v) == NULL) {
4867 sprintf(buf, "Variant %s not supported by %s", v, cps->tidy);
4868 DisplayFatalError(buf, 0, 1);
4871 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
4872 SendToProgram(buf, cps);
4875 sprintf(buf, "ics %s\n", appData.icsActive ? appData.icsHost : "-");
4876 SendToProgram(buf, cps);
4878 cps->maybeThinking = FALSE;
4879 cps->offeredDraw = 0;
4880 if (!appData.icsActive) {
4881 SendTimeControl(cps, movesPerSession, timeControl,
4882 timeIncrement, appData.searchDepth,
4885 if (appData.showThinking) {
4886 SendToProgram("post\n", cps);
4888 SendToProgram("hard\n", cps);
4889 if (!appData.ponderNextMove) {
4890 /* Warning: "easy" is a toggle in GNU Chess, so don't send
4891 it without being sure what state we are in first. "hard"
4892 is not a toggle, so that one is OK.
4894 SendToProgram("easy\n", cps);
4897 sprintf(buf, "ping %d\n", ++cps->lastPing);
4898 SendToProgram(buf, cps);
4900 cps->initDone = TRUE;
4905 StartChessProgram(cps)
4906 ChessProgramState *cps;
4911 if (appData.noChessProgram) return;
4912 cps->initDone = FALSE;
4914 if (strcmp(cps->host, "localhost") == 0) {
4915 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
4916 } else if (*appData.remoteShell == NULLCHAR) {
4917 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
4919 if (*appData.remoteUser == NULLCHAR) {
4920 sprintf(buf, "%s %s %s", appData.remoteShell, cps->host,
4923 sprintf(buf, "%s %s -l %s %s", appData.remoteShell,
4924 cps->host, appData.remoteUser, cps->program);
4926 err = StartChildProcess(buf, "", &cps->pr);
4930 sprintf(buf, "Startup failure on '%s'", cps->program);
4931 DisplayFatalError(buf, err, 1);
4937 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
4938 if (cps->protocolVersion > 1) {
4939 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
4940 SendToProgram(buf, cps);
4942 SendToProgram("xboard\n", cps);
4948 TwoMachinesEventIfReady P((void))
4950 if (first.lastPing != first.lastPong) {
4951 DisplayMessage("", "Waiting for first chess program");
4952 ScheduleDelayedEvent(TwoMachinesEventIfReady, 1000);
4955 if (second.lastPing != second.lastPong) {
4956 DisplayMessage("", "Waiting for second chess program");
4957 ScheduleDelayedEvent(TwoMachinesEventIfReady, 1000);
4965 NextMatchGame P((void))
4968 if (*appData.loadGameFile != NULLCHAR) {
4969 LoadGameFromFile(appData.loadGameFile,
4970 appData.loadGameIndex,
4971 appData.loadGameFile, FALSE);
4972 } else if (*appData.loadPositionFile != NULLCHAR) {
4973 LoadPositionFromFile(appData.loadPositionFile,
4974 appData.loadPositionIndex,
4975 appData.loadPositionFile);
4977 TwoMachinesEventIfReady();
4981 GameEnds(result, resultDetails, whosays)
4983 char *resultDetails;
4986 GameMode nextGameMode;
4989 if (appData.debugMode) {
4990 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
4991 result, resultDetails ? resultDetails : "(null)", whosays);
4994 if (appData.icsActive && whosays == GE_ENGINE) {
4995 /* If we are playing on ICS, the server decides when the
4996 game is over, but the engine can offer to draw, claim
5000 if (appData.zippyPlay && first.initDone) {
5001 if (result == GameIsDrawn) {
5002 /* In case draw still needs to be claimed */
5003 SendToICS(ics_prefix);
5004 SendToICS("draw\n");
5005 } else if (StrCaseStr(resultDetails, "resign")) {
5006 SendToICS(ics_prefix);
5007 SendToICS("resign\n");
5014 /* If we're loading the game from a file, stop */
5015 if (whosays == GE_FILE) {
5016 (void) StopLoadGameTimer();
5020 /* Cancel draw offers */
5021 first.offeredDraw = second.offeredDraw = 0;
5023 /* If this is an ICS game, only ICS can really say it's done;
5024 if not, anyone can. */
5025 isIcsGame = (gameMode == IcsPlayingWhite ||
5026 gameMode == IcsPlayingBlack ||
5027 gameMode == IcsObserving ||
5028 gameMode == IcsExamining);
5030 if (!isIcsGame || whosays == GE_ICS) {
5031 /* OK -- not an ICS game, or ICS said it was done */
5033 if (!isIcsGame && !appData.noChessProgram)
5034 SetUserThinkingEnables();
5036 if (resultDetails != NULL) {
5037 gameInfo.result = result;
5038 gameInfo.resultDetails = StrSave(resultDetails);
5040 /* Tell program how game ended in case it is learning */
5041 if (gameMode == MachinePlaysWhite ||
5042 gameMode == MachinePlaysBlack ||
5043 gameMode == TwoMachinesPlay ||
5044 gameMode == IcsPlayingWhite ||
5045 gameMode == IcsPlayingBlack ||
5046 gameMode == BeginningOfGame) {
5048 sprintf(buf, "result %s {%s}\n", PGNResult(result),
5050 if (first.pr != NoProc) {
5051 SendToProgram(buf, &first);
5053 if (second.pr != NoProc &&
5054 gameMode == TwoMachinesPlay) {
5055 SendToProgram(buf, &second);
5059 /* display last move only if game was not loaded from file */
5060 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
5061 DisplayMove(currentMove - 1);
5063 if (forwardMostMove != 0) {
5064 if (gameMode != PlayFromGameFile && gameMode != EditGame) {
5065 if (*appData.saveGameFile != NULLCHAR) {
5066 SaveGameToFile(appData.saveGameFile, TRUE);
5067 } else if (appData.autoSaveGames) {
5070 if (*appData.savePositionFile != NULLCHAR) {
5071 SavePositionToFile(appData.savePositionFile);
5077 if (appData.icsActive) {
5078 if (appData.quietPlay &&
5079 (gameMode == IcsPlayingWhite ||
5080 gameMode == IcsPlayingBlack)) {
5081 SendToICS(ics_prefix);
5082 SendToICS("set shout 1\n");
5084 nextGameMode = IcsIdle;
5085 ics_user_moved = FALSE;
5086 /* clean up premove. It's ugly when the game has ended and the
5087 * premove highlights are still on the board.
5091 ClearPremoveHighlights();
5092 DrawPosition(FALSE, boards[currentMove]);
5094 if (whosays == GE_ICS) {
5097 if (gameMode == IcsPlayingWhite)
5099 else if(gameMode == IcsPlayingBlack)
5103 if (gameMode == IcsPlayingBlack)
5105 else if(gameMode == IcsPlayingWhite)
5112 PlayIcsUnfinishedSound();
5115 } else if (gameMode == EditGame ||
5116 gameMode == PlayFromGameFile ||
5117 gameMode == AnalyzeMode ||
5118 gameMode == AnalyzeFile) {
5119 nextGameMode = gameMode;
5121 nextGameMode = EndOfGame;
5126 nextGameMode = gameMode;
5129 if (appData.noChessProgram) {
5130 gameMode = nextGameMode;
5136 /* Put first chess program into idle state */
5137 if (first.pr != NoProc &&
5138 (gameMode == MachinePlaysWhite ||
5139 gameMode == MachinePlaysBlack ||
5140 gameMode == TwoMachinesPlay ||
5141 gameMode == IcsPlayingWhite ||
5142 gameMode == IcsPlayingBlack ||
5143 gameMode == BeginningOfGame)) {
5144 SendToProgram("force\n", &first);
5145 if (first.usePing) {
5147 sprintf(buf, "ping %d\n", ++first.lastPing);
5148 SendToProgram(buf, &first);
5151 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
5152 /* Kill off first chess program */
5153 if (first.isr != NULL)
5154 RemoveInputSource(first.isr);
5157 if (first.pr != NoProc) {
5159 SendToProgram("quit\n", &first);
5160 DestroyChildProcess(first.pr, first.useSigterm);
5165 /* Put second chess program into idle state */
5166 if (second.pr != NoProc &&
5167 gameMode == TwoMachinesPlay) {
5168 SendToProgram("force\n", &second);
5169 if (second.usePing) {
5171 sprintf(buf, "ping %d\n", ++second.lastPing);
5172 SendToProgram(buf, &second);
5175 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
5176 /* Kill off second chess program */
5177 if (second.isr != NULL)
5178 RemoveInputSource(second.isr);
5181 if (second.pr != NoProc) {
5182 SendToProgram("quit\n", &second);
5183 DestroyChildProcess(second.pr, second.useSigterm);
5188 if (matchMode && gameMode == TwoMachinesPlay) {
5191 if (first.twoMachinesColor[0] == 'w') {
5198 if (first.twoMachinesColor[0] == 'b') {
5207 if (matchGame < appData.matchGames) {
5209 tmp = first.twoMachinesColor;
5210 first.twoMachinesColor = second.twoMachinesColor;
5211 second.twoMachinesColor = tmp;
5212 gameMode = nextGameMode;
5214 ScheduleDelayedEvent(NextMatchGame, 10000);
5218 gameMode = nextGameMode;
5219 sprintf(buf, "Match %s vs. %s: final score %d-%d-%d",
5220 first.tidy, second.tidy,
5221 first.matchWins, second.matchWins,
5222 appData.matchGames - (first.matchWins + second.matchWins));
5223 DisplayFatalError(buf, 0, 0);
5226 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
5227 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
5229 gameMode = nextGameMode;
5233 /* Assumes program was just initialized (initString sent).
5234 Leaves program in force mode. */
5236 FeedMovesToProgram(cps, upto)
5237 ChessProgramState *cps;
5242 if (appData.debugMode)
5243 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
5244 startedFromSetupPosition ? "position and " : "",
5245 backwardMostMove, upto, cps->which);
5246 SendToProgram("force\n", cps);
5247 if (startedFromSetupPosition) {
5248 SendBoard(cps, backwardMostMove);
5250 for (i = backwardMostMove; i < upto; i++) {
5251 SendMoveToProgram(i, cps);
5257 ResurrectChessProgram()
5259 /* The chess program may have exited.
5260 If so, restart it and feed it all the moves made so far. */
5262 if (appData.noChessProgram || first.pr != NoProc) return;
5264 StartChessProgram(&first);
5265 InitChessProgram(&first);
5266 FeedMovesToProgram(&first, currentMove);
5268 if (!first.sendTime) {
5269 /* can't tell gnuchess what its clock should read,
5270 so we bow to its notion. */
5272 timeRemaining[0][currentMove] = whiteTimeRemaining;
5273 timeRemaining[1][currentMove] = blackTimeRemaining;
5276 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
5277 first.analysisSupport) {
5278 SendToProgram("analyze\n", &first);
5279 first.analyzing = TRUE;
5292 if (appData.debugMode) {
5293 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
5294 redraw, init, gameMode);
5297 pausing = pauseExamInvalid = FALSE;
5298 startedFromSetupPosition = blackPlaysFirst = FALSE;
5300 whiteFlag = blackFlag = FALSE;
5301 userOfferedDraw = FALSE;
5302 hintRequested = bookRequested = FALSE;
5303 first.maybeThinking = FALSE;
5304 second.maybeThinking = FALSE;
5305 thinkOutput[0] = NULLCHAR;
5306 lastHint[0] = NULLCHAR;
5307 ClearGameInfo(&gameInfo);
5308 gameInfo.variant = StringToVariant(appData.variant);
5309 ics_user_moved = ics_clock_paused = FALSE;
5310 ics_getting_history = H_FALSE;
5312 white_holding[0] = black_holding[0] = NULLCHAR;
5313 ClearProgramStats();
5317 flipView = appData.flipView;
5318 ClearPremoveHighlights();
5320 alarmSounded = FALSE;
5322 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
5324 gameMode = BeginningOfGame;
5326 InitPosition(redraw);
5327 for (i = 0; i < MAX_MOVES; i++) {
5328 if (commentList[i] != NULL) {
5329 free(commentList[i]);
5330 commentList[i] = NULL;
5334 timeRemaining[0][0] = whiteTimeRemaining;
5335 timeRemaining[1][0] = blackTimeRemaining;
5336 if (first.pr == NULL) {
5337 StartChessProgram(&first);
5339 if (init) InitChessProgram(&first);
5341 DisplayMessage("", "");
5342 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5349 if (!AutoPlayOneMove())
5351 if (matchMode || appData.timeDelay == 0)
5353 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
5355 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
5364 int fromX, fromY, toX, toY;
5366 if (appData.debugMode) {
5367 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
5370 if (gameMode != PlayFromGameFile)
5373 if (currentMove >= forwardMostMove) {
5374 gameMode = EditGame;
5379 toX = moveList[currentMove][2] - 'a';
5380 toY = moveList[currentMove][3] - '1';
5382 if (moveList[currentMove][1] == '@') {
5383 if (appData.highlightLastMove) {
5384 SetHighlights(-1, -1, toX, toY);
5387 fromX = moveList[currentMove][0] - 'a';
5388 fromY = moveList[currentMove][1] - '1';
5389 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
5391 if (appData.highlightLastMove) {
5392 SetHighlights(fromX, fromY, toX, toY);
5395 DisplayMove(currentMove);
5396 SendMoveToProgram(currentMove++, &first);
5397 DisplayBothClocks();
5398 DrawPosition(FALSE, boards[currentMove]);
5399 if (commentList[currentMove] != NULL) {
5400 DisplayComment(currentMove - 1, commentList[currentMove]);
5407 LoadGameOneMove(readAhead)
5408 ChessMove readAhead;
5410 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
5411 char promoChar = NULLCHAR;
5416 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
5417 gameMode != AnalyzeMode && gameMode != Training) {
5422 yyboardindex = forwardMostMove;
5423 if (readAhead != (ChessMove)0) {
5424 moveType = readAhead;
5426 if (gameFileFP == NULL)
5428 moveType = (ChessMove) yylex();
5434 if (appData.debugMode)
5435 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
5437 if (*p == '{' || *p == '[' || *p == '(') {
5438 p[strlen(p) - 1] = NULLCHAR;
5442 /* append the comment but don't display it */
5443 while (*p == '\n') p++;
5444 AppendComment(currentMove, p);
5447 case WhiteCapturesEnPassant:
5448 case BlackCapturesEnPassant:
5449 case WhitePromotionQueen:
5450 case BlackPromotionQueen:
5451 case WhitePromotionRook:
5452 case BlackPromotionRook:
5453 case WhitePromotionBishop:
5454 case BlackPromotionBishop:
5455 case WhitePromotionKnight:
5456 case BlackPromotionKnight:
5457 case WhitePromotionKing:
5458 case BlackPromotionKing:
5460 case WhiteKingSideCastle:
5461 case WhiteQueenSideCastle:
5462 case BlackKingSideCastle:
5463 case BlackQueenSideCastle:
5464 case WhiteKingSideCastleWild:
5465 case WhiteQueenSideCastleWild:
5466 case BlackKingSideCastleWild:
5467 case BlackQueenSideCastleWild:
5468 if (appData.debugMode)
5469 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
5470 fromX = currentMoveString[0] - 'a';
5471 fromY = currentMoveString[1] - '1';
5472 toX = currentMoveString[2] - 'a';
5473 toY = currentMoveString[3] - '1';
5474 promoChar = currentMoveString[4];
5479 if (appData.debugMode)
5480 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
5481 fromX = moveType == WhiteDrop ?
5482 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5483 (int) CharToPiece(ToLower(currentMoveString[0]));
5485 toX = currentMoveString[2] - 'a';
5486 toY = currentMoveString[3] - '1';
5492 case GameUnfinished:
5493 if (appData.debugMode)
5494 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
5495 p = strchr(yy_text, '{');
5496 if (p == NULL) p = strchr(yy_text, '(');
5499 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
5501 q = strchr(p, *p == '{' ? '}' : ')');
5502 if (q != NULL) *q = NULLCHAR;
5505 GameEnds(moveType, p, GE_FILE);
5507 if (cmailMsgLoaded) {
5509 flipView = WhiteOnMove(currentMove);
5510 if (moveType == GameUnfinished) flipView = !flipView;
5511 if (appData.debugMode)
5512 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
5516 case (ChessMove) 0: /* end of file */
5517 if (appData.debugMode)
5518 fprintf(debugFP, "Parser hit end of file\n");
5519 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5525 if (WhiteOnMove(currentMove)) {
5526 GameEnds(BlackWins, "Black mates", GE_FILE);
5528 GameEnds(WhiteWins, "White mates", GE_FILE);
5532 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
5539 if (lastLoadGameStart == GNUChessGame) {
5540 /* GNUChessGames have numbers, but they aren't move numbers */
5541 if (appData.debugMode)
5542 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
5543 yy_text, (int) moveType);
5544 return LoadGameOneMove((ChessMove)0); /* tail recursion */
5546 /* else fall thru */
5551 /* Reached start of next game in file */
5552 if (appData.debugMode)
5553 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
5554 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5560 if (WhiteOnMove(currentMove)) {
5561 GameEnds(BlackWins, "Black mates", GE_FILE);
5563 GameEnds(WhiteWins, "White mates", GE_FILE);
5567 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
5573 case PositionDiagram: /* should not happen; ignore */
5574 case ElapsedTime: /* ignore */
5575 case NAG: /* ignore */
5576 if (appData.debugMode)
5577 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
5578 yy_text, (int) moveType);
5579 return LoadGameOneMove((ChessMove)0); /* tail recursion */
5582 if (appData.testLegality) {
5583 if (appData.debugMode)
5584 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
5585 sprintf(move, "Illegal move: %d.%s%s",
5586 (forwardMostMove / 2) + 1,
5587 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5588 DisplayError(move, 0);
5591 if (appData.debugMode)
5592 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
5593 yy_text, currentMoveString);
5594 fromX = currentMoveString[0] - 'a';
5595 fromY = currentMoveString[1] - '1';
5596 toX = currentMoveString[2] - 'a';
5597 toY = currentMoveString[3] - '1';
5598 promoChar = currentMoveString[4];
5603 if (appData.debugMode)
5604 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
5605 sprintf(move, "Ambiguous move: %d.%s%s",
5606 (forwardMostMove / 2) + 1,
5607 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5608 DisplayError(move, 0);
5613 case ImpossibleMove:
5614 if (appData.debugMode)
5615 fprintf(debugFP, "Parsed ImpossibleMove: %s\n", yy_text);
5616 sprintf(move, "Illegal move: %d.%s%s",
5617 (forwardMostMove / 2) + 1,
5618 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5619 DisplayError(move, 0);
5625 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
5626 DrawPosition(FALSE, boards[currentMove]);
5627 DisplayBothClocks();
5628 if (!appData.matchMode && commentList[currentMove] != NULL)
5629 DisplayComment(currentMove - 1, commentList[currentMove]);
5631 (void) StopLoadGameTimer();
5633 cmailOldMove = forwardMostMove;
5636 /* currentMoveString is set as a side-effect of yylex */
5637 strcat(currentMoveString, "\n");
5638 strcpy(moveList[forwardMostMove], currentMoveString);
5640 thinkOutput[0] = NULLCHAR;
5641 MakeMove(fromX, fromY, toX, toY, promoChar);
5642 currentMove = forwardMostMove;
5647 /* Load the nth game from the given file */
5649 LoadGameFromFile(filename, n, title, useList)
5653 /*Boolean*/ int useList;
5658 if (strcmp(filename, "-") == 0) {
5662 f = fopen(filename, "rb");
5664 sprintf(buf, "Can't open \"%s\"", filename);
5665 DisplayError(buf, errno);
5669 if (fseek(f, 0, 0) == -1) {
5670 /* f is not seekable; probably a pipe */
5673 if (useList && n == 0) {
5674 int error = GameListBuild(f);
5676 DisplayError("Cannot build game list", error);
5677 } else if (!ListEmpty(&gameList) &&
5678 ((ListGame *) gameList.tailPred)->number > 1) {
5679 GameListPopUp(f, title);
5686 return LoadGame(f, n, title, FALSE);
5691 MakeRegisteredMove()
5693 int fromX, fromY, toX, toY;
5695 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
5696 switch (cmailMoveType[lastLoadGameNumber - 1]) {
5699 if (appData.debugMode)
5700 fprintf(debugFP, "Restoring %s for game %d\n",
5701 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
5703 thinkOutput[0] = NULLCHAR;
5704 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
5705 fromX = cmailMove[lastLoadGameNumber - 1][0] - 'a';
5706 fromY = cmailMove[lastLoadGameNumber - 1][1] - '1';
5707 toX = cmailMove[lastLoadGameNumber - 1][2] - 'a';
5708 toY = cmailMove[lastLoadGameNumber - 1][3] - '1';
5709 promoChar = cmailMove[lastLoadGameNumber - 1][4];
5710 MakeMove(fromX, fromY, toX, toY, promoChar);
5711 ShowMove(fromX, fromY, toX, toY);
5713 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5720 if (WhiteOnMove(currentMove)) {
5721 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5723 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5728 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5735 if (WhiteOnMove(currentMove)) {
5736 GameEnds(BlackWins, "White resigns", GE_PLAYER);
5738 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
5743 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
5754 /* Wrapper around LoadGame for use when a Cmail message is loaded */
5756 CmailLoadGame(f, gameNumber, title, useList)
5764 if (gameNumber > nCmailGames) {
5765 DisplayError("No more games in this message", 0);
5768 if (f == lastLoadGameFP) {
5769 int offset = gameNumber - lastLoadGameNumber;
5771 cmailMsg[0] = NULLCHAR;
5772 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
5773 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
5774 nCmailMovesRegistered--;
5776 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5777 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
5778 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
5781 if (! RegisterMove()) return FALSE;
5785 retVal = LoadGame(f, gameNumber, title, useList);
5787 /* Make move registered during previous look at this game, if any */
5788 MakeRegisteredMove();
5790 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
5791 commentList[currentMove]
5792 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
5793 DisplayComment(currentMove - 1, commentList[currentMove]);
5799 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
5804 int gameNumber = lastLoadGameNumber + offset;
5805 if (lastLoadGameFP == NULL) {
5806 DisplayError("No game has been loaded yet", 0);
5809 if (gameNumber <= 0) {
5810 DisplayError("Can't back up any further", 0);
5813 if (cmailMsgLoaded) {
5814 return CmailLoadGame(lastLoadGameFP, gameNumber,
5815 lastLoadGameTitle, lastLoadGameUseList);
5817 return LoadGame(lastLoadGameFP, gameNumber,
5818 lastLoadGameTitle, lastLoadGameUseList);
5824 /* Load the nth game from open file f */
5826 LoadGame(f, gameNumber, title, useList)
5834 int gn = gameNumber;
5835 ListGame *lg = NULL;
5838 GameMode oldGameMode;
5840 if (appData.debugMode)
5841 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
5843 if (gameMode == Training )
5844 SetTrainingModeOff();
5846 oldGameMode = gameMode;
5847 if (gameMode != BeginningOfGame) {
5852 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
5853 fclose(lastLoadGameFP);
5857 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
5860 fseek(f, lg->offset, 0);
5861 GameListHighlight(gameNumber);
5865 DisplayError("Game number out of range", 0);
5870 if (fseek(f, 0, 0) == -1) {
5871 if (f == lastLoadGameFP ?
5872 gameNumber == lastLoadGameNumber + 1 :
5876 DisplayError("Can't seek on game file", 0);
5882 lastLoadGameNumber = gameNumber;
5883 strcpy(lastLoadGameTitle, title);
5884 lastLoadGameUseList = useList;
5889 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
5890 sprintf(buf, "%s vs. %s", lg->gameInfo.white,
5891 lg->gameInfo.black);
5893 } else if (*title != NULLCHAR) {
5894 if (gameNumber > 1) {
5895 sprintf(buf, "%s %d", title, gameNumber);
5898 DisplayTitle(title);
5902 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
5903 gameMode = PlayFromGameFile;
5907 currentMove = forwardMostMove = backwardMostMove = 0;
5908 CopyBoard(boards[0], initialPosition);
5912 * Skip the first gn-1 games in the file.
5913 * Also skip over anything that precedes an identifiable
5914 * start of game marker, to avoid being confused by
5915 * garbage at the start of the file. Currently
5916 * recognized start of game markers are the move number "1",
5917 * the pattern "gnuchess .* game", the pattern
5918 * "^[#;%] [^ ]* game file", and a PGN tag block.
5919 * A game that starts with one of the latter two patterns
5920 * will also have a move number 1, possibly
5921 * following a position diagram.
5922 * 5-4-02: Let's try being more lenient and allowing a game to
5923 * start with an unnumbered move. Does that break anything?
5925 cm = lastLoadGameStart = (ChessMove) 0;
5927 yyboardindex = forwardMostMove;
5928 cm = (ChessMove) yylex();
5931 if (cmailMsgLoaded) {
5932 nCmailGames = CMAIL_MAX_GAMES - gn;
5935 DisplayError("Game not found in file", 0);
5942 lastLoadGameStart = cm;
5946 switch (lastLoadGameStart) {
5953 gn--; /* count this game */
5954 lastLoadGameStart = cm;
5963 switch (lastLoadGameStart) {
5968 gn--; /* count this game */
5969 lastLoadGameStart = cm;
5972 lastLoadGameStart = cm; /* game counted already */
5980 yyboardindex = forwardMostMove;
5981 cm = (ChessMove) yylex();
5982 } while (cm == PGNTag || cm == Comment);
5989 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
5990 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
5991 != CMAIL_OLD_RESULT) {
5993 cmailResult[ CMAIL_MAX_GAMES
5994 - gn - 1] = CMAIL_OLD_RESULT;
6000 /* Only a NormalMove can be at the start of a game
6001 * without a position diagram. */
6002 if (lastLoadGameStart == (ChessMove) 0) {
6004 lastLoadGameStart = MoveNumberOne;
6013 if (appData.debugMode)
6014 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
6016 if (cm == XBoardGame) {
6017 /* Skip any header junk before position diagram and/or move 1 */
6019 yyboardindex = forwardMostMove;
6020 cm = (ChessMove) yylex();
6022 if (cm == (ChessMove) 0 ||
6023 cm == GNUChessGame || cm == XBoardGame) {
6024 /* Empty game; pretend end-of-file and handle later */
6029 if (cm == MoveNumberOne || cm == PositionDiagram ||
6030 cm == PGNTag || cm == Comment)
6033 } else if (cm == GNUChessGame) {
6034 if (gameInfo.event != NULL) {
6035 free(gameInfo.event);
6037 gameInfo.event = StrSave(yy_text);
6040 startedFromSetupPosition = FALSE;
6041 while (cm == PGNTag) {
6042 if (appData.debugMode)
6043 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
6044 err = ParsePGNTag(yy_text, &gameInfo);
6045 if (!err) numPGNTags++;
6047 if (gameInfo.fen != NULL) {
6048 Board initial_position;
6049 startedFromSetupPosition = TRUE;
6050 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
6052 DisplayError("Bad FEN position in file", 0);
6055 CopyBoard(boards[0], initial_position);
6056 if (blackPlaysFirst) {
6057 currentMove = forwardMostMove = backwardMostMove = 1;
6058 CopyBoard(boards[1], initial_position);
6059 strcpy(moveList[0], "");
6060 strcpy(parseList[0], "");
6061 timeRemaining[0][1] = whiteTimeRemaining;
6062 timeRemaining[1][1] = blackTimeRemaining;
6063 if (commentList[0] != NULL) {
6064 commentList[1] = commentList[0];
6065 commentList[0] = NULL;
6068 currentMove = forwardMostMove = backwardMostMove = 0;
6070 yyboardindex = forwardMostMove;
6072 gameInfo.fen = NULL;
6075 yyboardindex = forwardMostMove;
6076 cm = (ChessMove) yylex();
6078 /* Handle comments interspersed among the tags */
6079 while (cm == Comment) {
6081 if (appData.debugMode)
6082 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
6084 if (*p == '{' || *p == '[' || *p == '(') {
6085 p[strlen(p) - 1] = NULLCHAR;
6088 while (*p == '\n') p++;
6089 AppendComment(currentMove, p);
6090 yyboardindex = forwardMostMove;
6091 cm = (ChessMove) yylex();
6095 /* don't rely on existence of Event tag since if game was
6096 * pasted from clipboard the Event tag may not exist
6098 if (numPGNTags > 0){
6100 if (gameInfo.variant == VariantNormal) {
6101 gameInfo.variant = StringToVariant(gameInfo.event);
6104 tags = PGNTags(&gameInfo);
6105 TagsPopUp(tags, CmailMsg());
6109 /* Make something up, but don't display it now */
6114 if (cm == PositionDiagram) {
6117 Board initial_position;
6119 if (appData.debugMode)
6120 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
6122 if (!startedFromSetupPosition) {
6124 for (i = BOARD_SIZE - 1; i >= 0; i--)
6125 for (j = 0; j < BOARD_SIZE; p++)
6135 initial_position[i][j++] = CharToPiece(*p);
6138 while (*p == ' ' || *p == '\t' ||
6139 *p == '\n' || *p == '\r') p++;
6141 if (strncmp(p, "black", strlen("black"))==0)
6142 blackPlaysFirst = TRUE;
6144 blackPlaysFirst = FALSE;
6145 startedFromSetupPosition = TRUE;
6147 CopyBoard(boards[0], initial_position);
6148 if (blackPlaysFirst) {
6149 currentMove = forwardMostMove = backwardMostMove = 1;
6150 CopyBoard(boards[1], initial_position);
6151 strcpy(moveList[0], "");
6152 strcpy(parseList[0], "");
6153 timeRemaining[0][1] = whiteTimeRemaining;
6154 timeRemaining[1][1] = blackTimeRemaining;
6155 if (commentList[0] != NULL) {
6156 commentList[1] = commentList[0];
6157 commentList[0] = NULL;
6160 currentMove = forwardMostMove = backwardMostMove = 0;
6163 yyboardindex = forwardMostMove;
6164 cm = (ChessMove) yylex();
6167 if (first.pr == NoProc) {
6168 StartChessProgram(&first);
6170 InitChessProgram(&first);
6171 SendToProgram("force\n", &first);
6172 if (startedFromSetupPosition) {
6173 SendBoard(&first, forwardMostMove);
6174 DisplayBothClocks();
6177 while (cm == Comment) {
6179 if (appData.debugMode)
6180 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
6182 if (*p == '{' || *p == '[' || *p == '(') {
6183 p[strlen(p) - 1] = NULLCHAR;
6186 while (*p == '\n') p++;
6187 AppendComment(currentMove, p);
6188 yyboardindex = forwardMostMove;
6189 cm = (ChessMove) yylex();
6192 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
6193 cm == WhiteWins || cm == BlackWins ||
6194 cm == GameIsDrawn || cm == GameUnfinished) {
6195 DisplayMessage("", "No moves in game");
6196 if (cmailMsgLoaded) {
6197 if (appData.debugMode)
6198 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
6202 DrawPosition(FALSE, boards[currentMove]);
6203 DisplayBothClocks();
6204 gameMode = EditGame;
6211 if (commentList[currentMove] != NULL) {
6212 if (!matchMode && (pausing || appData.timeDelay != 0)) {
6213 DisplayComment(currentMove - 1, commentList[currentMove]);
6216 if (!matchMode && appData.timeDelay != 0)
6217 DrawPosition(FALSE, boards[currentMove]);
6219 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
6220 programStats.ok_to_send = 1;
6223 /* if the first token after the PGN tags is a move
6224 * and not move number 1, retrieve it from the parser
6226 if (cm != MoveNumberOne)
6227 LoadGameOneMove(cm);
6229 /* load the remaining moves from the file */
6230 while (LoadGameOneMove((ChessMove)0)) {
6231 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
6232 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
6235 /* rewind to the start of the game */
6236 currentMove = backwardMostMove;
6238 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
6240 if (oldGameMode == AnalyzeFile ||
6241 oldGameMode == AnalyzeMode) {
6245 if (matchMode || appData.timeDelay == 0) {
6247 gameMode = EditGame;
6249 } else if (appData.timeDelay > 0) {
6253 if (appData.debugMode)
6254 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
6258 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
6260 ReloadPosition(offset)
6263 int positionNumber = lastLoadPositionNumber + offset;
6264 if (lastLoadPositionFP == NULL) {
6265 DisplayError("No position has been loaded yet", 0);
6268 if (positionNumber <= 0) {
6269 DisplayError("Can't back up any further", 0);
6272 return LoadPosition(lastLoadPositionFP, positionNumber,
6273 lastLoadPositionTitle);
6276 /* Load the nth position from the given file */
6278 LoadPositionFromFile(filename, n, title)
6286 if (strcmp(filename, "-") == 0) {
6287 return LoadPosition(stdin, n, "stdin");
6289 f = fopen(filename, "rb");
6291 sprintf(buf, "Can't open \"%s\"", filename);
6292 DisplayError(buf, errno);
6295 return LoadPosition(f, n, title);
6300 /* Load the nth position from the given open file, and close it */
6302 LoadPosition(f, positionNumber, title)
6307 char *p, line[MSG_SIZ];
6308 Board initial_position;
6309 int i, j, fenMode, pn;
6311 if (gameMode == Training )
6312 SetTrainingModeOff();
6314 if (gameMode != BeginningOfGame) {
6317 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
6318 fclose(lastLoadPositionFP);
6320 if (positionNumber == 0) positionNumber = 1;
6321 lastLoadPositionFP = f;
6322 lastLoadPositionNumber = positionNumber;
6323 strcpy(lastLoadPositionTitle, title);
6324 if (first.pr == NoProc) {
6325 StartChessProgram(&first);
6326 InitChessProgram(&first);
6328 pn = positionNumber;
6329 if (positionNumber < 0) {
6330 /* Negative position number means to seek to that byte offset */
6331 if (fseek(f, -positionNumber, 0) == -1) {
6332 DisplayError("Can't seek on position file", 0);
6337 if (fseek(f, 0, 0) == -1) {
6338 if (f == lastLoadPositionFP ?
6339 positionNumber == lastLoadPositionNumber + 1 :
6340 positionNumber == 1) {
6343 DisplayError("Can't seek on position file", 0);
6348 /* See if this file is FEN or old-style xboard */
6349 if (fgets(line, MSG_SIZ, f) == NULL) {
6350 DisplayError("Position not found in file", 0);
6358 case 'p': case 'n': case 'b': case 'r': case 'q': case 'k':
6359 case 'P': case 'N': case 'B': case 'R': case 'Q': case 'K':
6360 case '1': case '2': case '3': case '4': case '5': case '6':
6367 if (fenMode || line[0] == '#') pn--;
6369 /* skip postions before number pn */
6370 if (fgets(line, MSG_SIZ, f) == NULL) {
6372 DisplayError("Position not found in file", 0);
6375 if (fenMode || line[0] == '#') pn--;
6380 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
6381 DisplayError("Bad FEN position in file", 0);
6385 (void) fgets(line, MSG_SIZ, f);
6386 (void) fgets(line, MSG_SIZ, f);
6388 for (i = BOARD_SIZE - 1; i >= 0; i--) {
6389 (void) fgets(line, MSG_SIZ, f);
6390 for (p = line, j = 0; j < BOARD_SIZE; p++) {
6393 initial_position[i][j++] = CharToPiece(*p);
6397 blackPlaysFirst = FALSE;
6399 (void) fgets(line, MSG_SIZ, f);
6400 if (strncmp(line, "black", strlen("black"))==0)
6401 blackPlaysFirst = TRUE;
6404 startedFromSetupPosition = TRUE;
6406 SendToProgram("force\n", &first);
6407 CopyBoard(boards[0], initial_position);
6408 if (blackPlaysFirst) {
6409 currentMove = forwardMostMove = backwardMostMove = 1;
6410 strcpy(moveList[0], "");
6411 strcpy(parseList[0], "");
6412 CopyBoard(boards[1], initial_position);
6413 DisplayMessage("", "Black to play");
6415 currentMove = forwardMostMove = backwardMostMove = 0;
6416 DisplayMessage("", "White to play");
6418 SendBoard(&first, forwardMostMove);
6420 if (positionNumber > 1) {
6421 sprintf(line, "%s %d", title, positionNumber);
6424 DisplayTitle(title);
6426 gameMode = EditGame;
6429 timeRemaining[0][1] = whiteTimeRemaining;
6430 timeRemaining[1][1] = blackTimeRemaining;
6431 DrawPosition(FALSE, boards[currentMove]);
6438 CopyPlayerNameIntoFileName(dest, src)
6441 while (*src != NULLCHAR && *src != ',') {
6446 *(*dest)++ = *src++;
6451 char *DefaultFileName(ext)
6454 static char def[MSG_SIZ];
6457 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
6459 CopyPlayerNameIntoFileName(&p, gameInfo.white);
6461 CopyPlayerNameIntoFileName(&p, gameInfo.black);
6470 /* Save the current game to the given file */
6472 SaveGameToFile(filename, append)
6479 if (strcmp(filename, "-") == 0) {
6480 return SaveGame(stdout, 0, NULL);
6482 f = fopen(filename, append ? "a" : "w");
6484 sprintf(buf, "Can't open \"%s\"", filename);
6485 DisplayError(buf, errno);
6488 return SaveGame(f, 0, NULL);
6497 static char buf[MSG_SIZ];
6500 p = strchr(str, ' ');
6501 if (p == NULL) return str;
6502 strncpy(buf, str, p - str);
6503 buf[p - str] = NULLCHAR;
6507 #define PGN_MAX_LINE 75
6509 /* Save game in PGN style and close the file */
6514 int i, offset, linelen, newblock;
6518 int movelen, numlen, blank;
6520 tm = time((time_t *) NULL);
6522 PrintPGNTags(f, &gameInfo);
6524 if (backwardMostMove > 0 || startedFromSetupPosition) {
6525 char *fen = PositionToFEN(backwardMostMove);
6526 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
6527 fprintf(f, "\n{--------------\n");
6528 PrintPosition(f, backwardMostMove);
6529 fprintf(f, "--------------}\n");
6535 i = backwardMostMove;
6536 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
6540 while (i < forwardMostMove) {
6541 /* Print comments preceding this move */
6542 if (commentList[i] != NULL) {
6543 if (linelen > 0) fprintf(f, "\n");
6544 fprintf(f, "{\n%s}\n", commentList[i]);
6549 /* Format move number */
6551 sprintf(numtext, "%d.", (i - offset)/2 + 1);
6554 sprintf(numtext, "%d...", (i - offset)/2 + 1);
6556 numtext[0] = NULLCHAR;
6559 numlen = strlen(numtext);
6562 /* Print move number */
6563 blank = linelen > 0 && numlen > 0;
6564 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
6573 fprintf(f, numtext);
6577 movetext = SavePart(parseList[i]);
6578 movelen = strlen(movetext);
6581 blank = linelen > 0 && movelen > 0;
6582 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
6591 fprintf(f, movetext);
6597 /* Start a new line */
6598 if (linelen > 0) fprintf(f, "\n");
6600 /* Print comments after last move */
6601 if (commentList[i] != NULL) {
6602 fprintf(f, "{\n%s}\n", commentList[i]);
6606 if (gameInfo.resultDetails != NULL &&
6607 gameInfo.resultDetails[0] != NULLCHAR) {
6608 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
6609 PGNResult(gameInfo.result));
6611 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
6618 /* Save game in old style and close the file */
6626 tm = time((time_t *) NULL);
6628 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
6631 if (backwardMostMove > 0 || startedFromSetupPosition) {
6632 fprintf(f, "\n[--------------\n");
6633 PrintPosition(f, backwardMostMove);
6634 fprintf(f, "--------------]\n");
6639 i = backwardMostMove;
6640 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
6642 while (i < forwardMostMove) {
6643 if (commentList[i] != NULL) {
6644 fprintf(f, "[%s]\n", commentList[i]);
6648 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
6651 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
6653 if (commentList[i] != NULL) {
6657 if (i >= forwardMostMove) {
6661 fprintf(f, "%s\n", parseList[i]);
6666 if (commentList[i] != NULL) {
6667 fprintf(f, "[%s]\n", commentList[i]);
6670 /* This isn't really the old style, but it's close enough */
6671 if (gameInfo.resultDetails != NULL &&
6672 gameInfo.resultDetails[0] != NULLCHAR) {
6673 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
6674 gameInfo.resultDetails);
6676 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
6683 /* Save the current game to open file f and close the file */
6685 SaveGame(f, dummy, dummy2)
6690 if (gameMode == EditPosition) EditPositionDone();
6691 if (appData.oldSaveStyle)
6692 return SaveGameOldStyle(f);
6694 return SaveGamePGN(f);
6697 /* Save the current position to the given file */
6699 SavePositionToFile(filename)
6705 if (strcmp(filename, "-") == 0) {
6706 return SavePosition(stdout, 0, NULL);
6708 f = fopen(filename, "a");
6710 sprintf(buf, "Can't open \"%s\"", filename);
6711 DisplayError(buf, errno);
6714 SavePosition(f, 0, NULL);
6720 /* Save the current position to the given open file and close the file */
6722 SavePosition(f, dummy, dummy2)
6730 if (appData.oldSaveStyle) {
6731 tm = time((time_t *) NULL);
6733 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
6735 fprintf(f, "[--------------\n");
6736 PrintPosition(f, currentMove);
6737 fprintf(f, "--------------]\n");
6739 fen = PositionToFEN(currentMove);
6740 fprintf(f, "%s\n", fen);
6748 ReloadCmailMsgEvent(unregister)
6752 static char *inFilename = NULL;
6753 static char *outFilename;
6755 struct stat inbuf, outbuf;
6758 /* Any registered moves are unregistered if unregister is set, */
6759 /* i.e. invoked by the signal handler */
6761 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
6762 cmailMoveRegistered[i] = FALSE;
6763 if (cmailCommentList[i] != NULL) {
6764 free(cmailCommentList[i]);
6765 cmailCommentList[i] = NULL;
6768 nCmailMovesRegistered = 0;
6771 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
6772 cmailResult[i] = CMAIL_NOT_RESULT;
6776 if (inFilename == NULL) {
6777 /* Because the filenames are static they only get malloced once */
6778 /* and they never get freed */
6779 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
6780 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
6782 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
6783 sprintf(outFilename, "%s.out", appData.cmailGameName);
6786 status = stat(outFilename, &outbuf);
6788 cmailMailedMove = FALSE;
6790 status = stat(inFilename, &inbuf);
6791 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
6794 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
6795 counts the games, notes how each one terminated, etc.
6797 It would be nice to remove this kludge and instead gather all
6798 the information while building the game list. (And to keep it
6799 in the game list nodes instead of having a bunch of fixed-size
6800 parallel arrays.) Note this will require getting each game's
6801 termination from the PGN tags, as the game list builder does
6802 not process the game moves. --mann
6804 cmailMsgLoaded = TRUE;
6805 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
6807 /* Load first game in the file or popup game menu */
6808 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
6818 char string[MSG_SIZ];
6820 if ( cmailMailedMove
6821 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
6822 return TRUE; /* Allow free viewing */
6825 /* Unregister move to ensure that we don't leave RegisterMove */
6826 /* with the move registered when the conditions for registering no */
6828 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
6829 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
6830 nCmailMovesRegistered --;
6832 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
6834 free(cmailCommentList[lastLoadGameNumber - 1]);
6835 cmailCommentList[lastLoadGameNumber - 1] = NULL;
6839 if (cmailOldMove == -1) {
6840 DisplayError("You have edited the game history.\nUse Reload Same Game and make your move again.", 0);
6844 if (currentMove > cmailOldMove + 1) {
6845 DisplayError("You have entered too many moves.\nBack up to the correct position and try again.", 0);
6849 if (currentMove < cmailOldMove) {
6850 DisplayError("Displayed position is not current.\nStep forward to the correct position and try again.", 0);
6854 if (forwardMostMove > currentMove) {
6855 /* Silently truncate extra moves */
6859 if ( (currentMove == cmailOldMove + 1)
6860 || ( (currentMove == cmailOldMove)
6861 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
6862 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
6863 if (gameInfo.result != GameUnfinished) {
6864 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
6867 if (commentList[currentMove] != NULL) {
6868 cmailCommentList[lastLoadGameNumber - 1]
6869 = StrSave(commentList[currentMove]);
6871 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
6873 if (appData.debugMode)
6874 fprintf(debugFP, "Saving %s for game %d\n",
6875 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
6878 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
6880 f = fopen(string, "w");
6881 if (appData.oldSaveStyle) {
6882 SaveGameOldStyle(f); /* also closes the file */
6884 sprintf(string, "%s.pos.out", appData.cmailGameName);
6885 f = fopen(string, "w");
6886 SavePosition(f, 0, NULL); /* also closes the file */
6888 fprintf(f, "{--------------\n");
6889 PrintPosition(f, currentMove);
6890 fprintf(f, "--------------}\n\n");
6892 SaveGame(f, 0, NULL); /* also closes the file*/
6895 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
6896 nCmailMovesRegistered ++;
6897 } else if (nCmailGames == 1) {
6898 DisplayError("You have not made a move yet", 0);
6909 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
6910 FILE *commandOutput;
6911 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
6912 int nBytes = 0; /* Suppress warnings on uninitialized variables */
6918 if (! cmailMsgLoaded) {
6919 DisplayError("The cmail message is not loaded.\nUse Reload CMail Message and make your move again.", 0);
6923 if (nCmailGames == nCmailResults) {
6924 DisplayError("No unfinished games", 0);
6928 #if CMAIL_PROHIBIT_REMAIL
6929 if (cmailMailedMove) {
6930 sprintf(msg, "You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line.", appData.cmailGameName);
6931 DisplayError(msg, 0);
6936 if (! (cmailMailedMove || RegisterMove())) return;
6938 if ( cmailMailedMove
6939 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
6940 sprintf(string, partCommandString,
6941 appData.debugMode ? " -v" : "", appData.cmailGameName);
6942 commandOutput = popen(string, "rb");
6944 if (commandOutput == NULL) {
6945 DisplayError("Failed to invoke cmail", 0);
6947 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
6948 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
6951 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
6952 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
6953 nBytes = MSG_SIZ - 1;
6955 (void) memcpy(msg, buffer, nBytes);
6957 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
6959 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
6960 cmailMailedMove = TRUE; /* Prevent >1 moves */
6963 for (i = 0; i < nCmailGames; i ++) {
6964 if (cmailResult[i] == CMAIL_NOT_RESULT) {
6969 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
6971 sprintf(buffer, "%s/%s.%s.archive",
6973 appData.cmailGameName,
6975 LoadGameFromFile(buffer, 1, buffer, FALSE);
6976 cmailMsgLoaded = FALSE;
6980 DisplayInformation(msg);
6981 pclose(commandOutput);
6984 if ((*cmailMsg) != '\0') {
6985 DisplayInformation(cmailMsg);
6999 int prependComma = 0;
7001 char string[MSG_SIZ]; /* Space for game-list */
7004 if (!cmailMsgLoaded) return "";
7006 if (cmailMailedMove) {
7007 sprintf(cmailMsg, "Waiting for reply from opponent\n");
7009 /* Create a list of games left */
7010 sprintf(string, "[");
7011 for (i = 0; i < nCmailGames; i ++) {
7012 if (! ( cmailMoveRegistered[i]
7013 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
7015 sprintf(number, ",%d", i + 1);
7017 sprintf(number, "%d", i + 1);
7021 strcat(string, number);
7024 strcat(string, "]");
7026 if (nCmailMovesRegistered + nCmailResults == 0) {
7027 switch (nCmailGames) {
7030 "Still need to make move for game\n");
7035 "Still need to make moves for both games\n");
7040 "Still need to make moves for all %d games\n",
7045 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
7048 "Still need to make a move for game %s\n",
7053 if (nCmailResults == nCmailGames) {
7054 sprintf(cmailMsg, "No unfinished games\n");
7056 sprintf(cmailMsg, "Ready to send mail\n");
7062 "Still need to make moves for games %s\n",
7074 if (gameMode == Training)
7075 SetTrainingModeOff();
7078 cmailMsgLoaded = FALSE;
7079 if (appData.icsActive) {
7080 SendToICS(ics_prefix);
7081 SendToICS("refresh\n");
7085 static int exiting = 0;
7093 /* Give up on clean exit */
7097 /* Keep trying for clean exit */
7101 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
7103 if (telnetISR != NULL) {
7104 RemoveInputSource(telnetISR);
7106 if (icsPR != NoProc) {
7107 DestroyChildProcess(icsPR, TRUE);
7109 /* Save game if resource set and not already saved by GameEnds() */
7110 if (gameInfo.resultDetails == NULL && forwardMostMove > 0) {
7111 if (*appData.saveGameFile != NULLCHAR) {
7112 SaveGameToFile(appData.saveGameFile, TRUE);
7113 } else if (appData.autoSaveGames) {
7116 if (*appData.savePositionFile != NULLCHAR) {
7117 SavePositionToFile(appData.savePositionFile);
7120 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
7122 /* Kill off chess programs */
7123 if (first.pr != NoProc) {
7125 SendToProgram("quit\n", &first);
7126 DestroyChildProcess(first.pr, first.useSigterm);
7128 if (second.pr != NoProc) {
7129 SendToProgram("quit\n", &second);
7130 DestroyChildProcess(second.pr, second.useSigterm);
7132 if (first.isr != NULL) {
7133 RemoveInputSource(first.isr);
7135 if (second.isr != NULL) {
7136 RemoveInputSource(second.isr);
7146 if (appData.debugMode)
7147 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
7151 if (gameMode == MachinePlaysWhite ||
7152 gameMode == MachinePlaysBlack) {
7155 DisplayBothClocks();
7157 if (gameMode == PlayFromGameFile) {
7158 if (appData.timeDelay >= 0)
7160 } else if (gameMode == IcsExamining && pauseExamInvalid) {
7162 SendToICS(ics_prefix);
7163 SendToICS("refresh\n");
7164 } else if (currentMove < forwardMostMove) {
7165 ForwardInner(forwardMostMove);
7167 pauseExamInvalid = FALSE;
7173 pauseExamForwardMostMove = forwardMostMove;
7174 pauseExamInvalid = FALSE;
7177 case IcsPlayingWhite:
7178 case IcsPlayingBlack:
7182 case PlayFromGameFile:
7183 (void) StopLoadGameTimer();
7187 case BeginningOfGame:
7188 if (appData.icsActive) return;
7189 /* else fall through */
7190 case MachinePlaysWhite:
7191 case MachinePlaysBlack:
7192 case TwoMachinesPlay:
7193 if (forwardMostMove == 0)
7194 return; /* don't pause if no one has moved */
7195 if ((gameMode == MachinePlaysWhite &&
7196 !WhiteOnMove(forwardMostMove)) ||
7197 (gameMode == MachinePlaysBlack &&
7198 WhiteOnMove(forwardMostMove))) {
7211 char title[MSG_SIZ];
7213 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
7214 strcpy(title, "Edit comment");
7216 sprintf(title, "Edit comment on %d.%s%s", (currentMove - 1) / 2 + 1,
7217 WhiteOnMove(currentMove - 1) ? " " : ".. ",
7218 parseList[currentMove - 1]);
7221 EditCommentPopUp(currentMove, title, commentList[currentMove]);
7228 char *tags = PGNTags(&gameInfo);
7229 EditTagsPopUp(tags);
7236 if (appData.noChessProgram || gameMode == AnalyzeMode)
7239 if (gameMode != AnalyzeFile) {
7241 if (gameMode != EditGame) return;
7242 ResurrectChessProgram();
7243 SendToProgram("analyze\n", &first);
7244 first.analyzing = TRUE;
7245 /*first.maybeThinking = TRUE;*/
7246 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
7247 AnalysisPopUp("Analysis",
7248 "Starting analysis mode...\nIf this message stays up, your chess program does not support analysis.");
7250 gameMode = AnalyzeMode;
7255 StartAnalysisClock();
7256 GetTimeMark(&lastNodeCountTime);
7263 if (appData.noChessProgram || gameMode == AnalyzeFile)
7266 if (gameMode != AnalyzeMode) {
7268 if (gameMode != EditGame) return;
7269 ResurrectChessProgram();
7270 SendToProgram("analyze\n", &first);
7271 first.analyzing = TRUE;
7272 /*first.maybeThinking = TRUE;*/
7273 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
7274 AnalysisPopUp("Analysis",
7275 "Starting analysis mode...\nIf this message stays up, your chess program does not support analysis.");
7277 gameMode = AnalyzeFile;
7282 StartAnalysisClock();
7283 GetTimeMark(&lastNodeCountTime);
7292 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
7296 if (gameMode == PlayFromGameFile ||
7297 gameMode == TwoMachinesPlay ||
7298 gameMode == Training ||
7299 gameMode == AnalyzeMode ||
7300 gameMode == EndOfGame)
7303 if (gameMode == EditPosition)
7306 if (!WhiteOnMove(currentMove)) {
7307 DisplayError("It is not White's turn", 0);
7311 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
7314 if (gameMode == EditGame || gameMode == AnalyzeMode ||
7315 gameMode == AnalyzeFile)
7318 ResurrectChessProgram(); /* in case it isn't running */
7319 gameMode = MachinePlaysWhite;
7323 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7325 if (first.sendName) {
7326 sprintf(buf, "name %s\n", gameInfo.black);
7327 SendToProgram(buf, &first);
7329 if (first.sendTime) {
7330 if (first.useColors) {
7331 SendToProgram("black\n", &first); /*gnu kludge*/
7333 SendTimeRemaining(&first, TRUE);
7335 if (first.useColors) {
7336 SendToProgram("white\ngo\n", &first);
7338 SendToProgram("go\n", &first);
7340 SetMachineThinkingEnables();
7341 first.maybeThinking = TRUE;
7344 if (appData.autoFlipView && !flipView) {
7345 flipView = !flipView;
7346 DrawPosition(FALSE, NULL);
7355 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
7359 if (gameMode == PlayFromGameFile ||
7360 gameMode == TwoMachinesPlay ||
7361 gameMode == Training ||
7362 gameMode == AnalyzeMode ||
7363 gameMode == EndOfGame)
7366 if (gameMode == EditPosition)
7369 if (WhiteOnMove(currentMove)) {
7370 DisplayError("It is not Black's turn", 0);
7374 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
7377 if (gameMode == EditGame || gameMode == AnalyzeMode ||
7378 gameMode == AnalyzeFile)
7381 ResurrectChessProgram(); /* in case it isn't running */
7382 gameMode = MachinePlaysBlack;
7386 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7388 if (first.sendName) {
7389 sprintf(buf, "name %s\n", gameInfo.white);
7390 SendToProgram(buf, &first);
7392 if (first.sendTime) {
7393 if (first.useColors) {
7394 SendToProgram("white\n", &first); /*gnu kludge*/
7396 SendTimeRemaining(&first, FALSE);
7398 if (first.useColors) {
7399 SendToProgram("black\ngo\n", &first);
7401 SendToProgram("go\n", &first);
7403 SetMachineThinkingEnables();
7404 first.maybeThinking = TRUE;
7407 if (appData.autoFlipView && flipView) {
7408 flipView = !flipView;
7409 DrawPosition(FALSE, NULL);
7415 DisplayTwoMachinesTitle()
7418 if (appData.matchGames > 0) {
7419 if (first.twoMachinesColor[0] == 'w') {
7420 sprintf(buf, "%s vs. %s (%d-%d-%d)",
7421 gameInfo.white, gameInfo.black,
7422 first.matchWins, second.matchWins,
7423 matchGame - 1 - (first.matchWins + second.matchWins));
7425 sprintf(buf, "%s vs. %s (%d-%d-%d)",
7426 gameInfo.white, gameInfo.black,
7427 second.matchWins, first.matchWins,
7428 matchGame - 1 - (first.matchWins + second.matchWins));
7431 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7437 TwoMachinesEvent P((void))
7441 ChessProgramState *onmove;
7443 if (appData.noChessProgram) return;
7446 case TwoMachinesPlay:
7448 case MachinePlaysWhite:
7449 case MachinePlaysBlack:
7450 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
7451 DisplayError("Wait until your turn,\nor select Move Now", 0);
7455 case BeginningOfGame:
7456 case PlayFromGameFile:
7459 if (gameMode != EditGame) return;
7473 forwardMostMove = currentMove;
7474 ResurrectChessProgram(); /* in case first program isn't running */
7476 if (second.pr == NULL) {
7477 StartChessProgram(&second);
7478 if (second.protocolVersion == 1) {
7479 TwoMachinesEventIfReady();
7481 /* kludge: allow timeout for initial "feature" command */
7483 DisplayMessage("", "Starting second chess program");
7484 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
7488 DisplayMessage("", "");
7489 InitChessProgram(&second);
7490 SendToProgram("force\n", &second);
7491 if (startedFromSetupPosition) {
7492 SendBoard(&second, backwardMostMove);
7494 for (i = backwardMostMove; i < forwardMostMove; i++) {
7495 SendMoveToProgram(i, &second);
7498 gameMode = TwoMachinesPlay;
7502 DisplayTwoMachinesTitle();
7504 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
7510 SendToProgram(first.computerString, &first);
7511 if (first.sendName) {
7512 sprintf(buf, "name %s\n", second.tidy);
7513 SendToProgram(buf, &first);
7515 SendToProgram(second.computerString, &second);
7516 if (second.sendName) {
7517 sprintf(buf, "name %s\n", first.tidy);
7518 SendToProgram(buf, &second);
7521 if (!first.sendTime || !second.sendTime) {
7523 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7524 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7526 if (onmove->sendTime) {
7527 if (onmove->useColors) {
7528 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
7530 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
7532 if (onmove->useColors) {
7533 SendToProgram(onmove->twoMachinesColor, onmove);
7535 SendToProgram("go\n", onmove);
7536 onmove->maybeThinking = TRUE;
7537 SetMachineThinkingEnables();
7545 if (gameMode == Training) {
7546 SetTrainingModeOff();
7547 gameMode = PlayFromGameFile;
7548 DisplayMessage("", "Training mode off");
7550 gameMode = Training;
7551 animateTraining = appData.animate;
7553 /* make sure we are not already at the end of the game */
7554 if (currentMove < forwardMostMove) {
7555 SetTrainingModeOn();
7556 DisplayMessage("", "Training mode on");
7558 gameMode = PlayFromGameFile;
7559 DisplayError("Already at end of game", 0);
7568 if (!appData.icsActive) return;
7570 case IcsPlayingWhite:
7571 case IcsPlayingBlack:
7574 case BeginningOfGame:
7608 SetTrainingModeOff();
7610 case MachinePlaysWhite:
7611 case MachinePlaysBlack:
7612 case BeginningOfGame:
7613 SendToProgram("force\n", &first);
7614 SetUserThinkingEnables();
7616 case PlayFromGameFile:
7617 (void) StopLoadGameTimer();
7618 if (gameFileFP != NULL) {
7628 SendToProgram("force\n", &first);
7630 case TwoMachinesPlay:
7631 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
7632 ResurrectChessProgram();
7633 SetUserThinkingEnables();
7636 ResurrectChessProgram();
7638 case IcsPlayingBlack:
7639 case IcsPlayingWhite:
7640 DisplayError("Warning: You are still playing a game", 0);
7643 DisplayError("Warning: You are still observing a game", 0);
7646 DisplayError("Warning: You are still examining a game", 0);
7657 first.offeredDraw = second.offeredDraw = 0;
7659 if (gameMode == PlayFromGameFile) {
7660 whiteTimeRemaining = timeRemaining[0][currentMove];
7661 blackTimeRemaining = timeRemaining[1][currentMove];
7665 if (gameMode == MachinePlaysWhite ||
7666 gameMode == MachinePlaysBlack ||
7667 gameMode == TwoMachinesPlay ||
7668 gameMode == EndOfGame) {
7669 i = forwardMostMove;
7670 while (i > currentMove) {
7671 SendToProgram("undo\n", &first);
7674 whiteTimeRemaining = timeRemaining[0][currentMove];
7675 blackTimeRemaining = timeRemaining[1][currentMove];
7676 DisplayBothClocks();
7677 if (whiteFlag || blackFlag) {
7678 whiteFlag = blackFlag = 0;
7683 gameMode = EditGame;
7692 if (gameMode == EditPosition) {
7698 if (gameMode != EditGame) return;
7700 gameMode = EditPosition;
7703 if (currentMove > 0)
7704 CopyBoard(boards[0], boards[currentMove]);
7706 blackPlaysFirst = !WhiteOnMove(currentMove);
7708 currentMove = forwardMostMove = backwardMostMove = 0;
7709 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
7716 if (first.analysisSupport && first.analyzing) {
7717 SendToProgram("exit\n", &first);
7718 first.analyzing = FALSE;
7721 thinkOutput[0] = NULLCHAR;
7727 startedFromSetupPosition = TRUE;
7728 InitChessProgram(&first);
7729 SendToProgram("force\n", &first);
7730 if (blackPlaysFirst) {
7731 strcpy(moveList[0], "");
7732 strcpy(parseList[0], "");
7733 currentMove = forwardMostMove = backwardMostMove = 1;
7734 CopyBoard(boards[1], boards[0]);
7736 currentMove = forwardMostMove = backwardMostMove = 0;
7738 SendBoard(&first, forwardMostMove);
7740 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7741 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7742 gameMode = EditGame;
7744 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
7747 /* Pause for `ms' milliseconds */
7748 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
7758 } while (SubtractTimeMarks(&m2, &m1) < ms);
7761 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
7763 SendMultiLineToICS(buf)
7766 char temp[MSG_SIZ+1], *p;
7773 strncpy(temp, buf, len);
7778 if (*p == '\n' || *p == '\r')
7785 SendToPlayer(temp, strlen(temp));
7789 SetWhiteToPlayEvent()
7791 if (gameMode == EditPosition) {
7792 blackPlaysFirst = FALSE;
7793 DisplayBothClocks(); /* works because currentMove is 0 */
7794 } else if (gameMode == IcsExamining) {
7795 SendToICS(ics_prefix);
7796 SendToICS("tomove white\n");
7801 SetBlackToPlayEvent()
7803 if (gameMode == EditPosition) {
7804 blackPlaysFirst = TRUE;
7805 currentMove = 1; /* kludge */
7806 DisplayBothClocks();
7808 } else if (gameMode == IcsExamining) {
7809 SendToICS(ics_prefix);
7810 SendToICS("tomove black\n");
7815 EditPositionMenuEvent(selection, x, y)
7816 ChessSquare selection;
7821 if (gameMode != EditPosition && gameMode != IcsExamining) return;
7823 switch (selection) {
7825 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
7826 SendToICS(ics_prefix);
7827 SendToICS("bsetup clear\n");
7828 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
7829 SendToICS(ics_prefix);
7830 SendToICS("clearboard\n");
7832 for (x = 0; x < BOARD_SIZE; x++) {
7833 for (y = 0; y < BOARD_SIZE; y++) {
7834 if (gameMode == IcsExamining) {
7835 if (boards[currentMove][y][x] != EmptySquare) {
7836 sprintf(buf, "%sx@%c%c\n", ics_prefix,
7841 boards[0][y][x] = EmptySquare;
7846 if (gameMode == EditPosition) {
7847 DrawPosition(FALSE, boards[0]);
7852 SetWhiteToPlayEvent();
7856 SetBlackToPlayEvent();
7860 if (gameMode == IcsExamining) {
7861 sprintf(buf, "%sx@%c%c\n", ics_prefix, 'a' + x, '1' + y);
7864 boards[0][y][x] = EmptySquare;
7865 DrawPosition(FALSE, boards[0]);
7870 if (gameMode == IcsExamining) {
7871 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
7872 PieceToChar(selection), 'a' + x, '1' + y);
7875 boards[0][y][x] = selection;
7876 DrawPosition(FALSE, boards[0]);
7884 DropMenuEvent(selection, x, y)
7885 ChessSquare selection;
7891 case IcsPlayingWhite:
7892 case MachinePlaysBlack:
7893 if (!WhiteOnMove(currentMove)) {
7894 DisplayMoveError("It is Black's turn");
7897 moveType = WhiteDrop;
7899 case IcsPlayingBlack:
7900 case MachinePlaysWhite:
7901 if (WhiteOnMove(currentMove)) {
7902 DisplayMoveError("It is White's turn");
7905 moveType = BlackDrop;
7908 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7914 if (moveType == BlackDrop && selection < BlackPawn) {
7915 selection = (ChessSquare) ((int) selection
7916 + (int) BlackPawn - (int) WhitePawn);
7918 if (boards[currentMove][y][x] != EmptySquare) {
7919 DisplayMoveError("That square is occupied");
7923 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
7929 /* Accept a pending offer of any kind from opponent */
7931 if (appData.icsActive) {
7932 SendToICS(ics_prefix);
7933 SendToICS("accept\n");
7934 } else if (cmailMsgLoaded) {
7935 if (currentMove == cmailOldMove &&
7936 commentList[cmailOldMove] != NULL &&
7937 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
7938 "Black offers a draw" : "White offers a draw")) {
7940 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
7941 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
7943 DisplayError("There is no pending offer on this move", 0);
7944 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7947 /* Not used for offers from chess program */
7954 /* Decline a pending offer of any kind from opponent */
7956 if (appData.icsActive) {
7957 SendToICS(ics_prefix);
7958 SendToICS("decline\n");
7959 } else if (cmailMsgLoaded) {
7960 if (currentMove == cmailOldMove &&
7961 commentList[cmailOldMove] != NULL &&
7962 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
7963 "Black offers a draw" : "White offers a draw")) {
7965 AppendComment(cmailOldMove, "Draw declined");
7966 DisplayComment(cmailOldMove - 1, "Draw declined");
7969 DisplayError("There is no pending offer on this move", 0);
7972 /* Not used for offers from chess program */
7979 /* Issue ICS rematch command */
7980 if (appData.icsActive) {
7981 SendToICS(ics_prefix);
7982 SendToICS("rematch\n");
7989 /* Call your opponent's flag (claim a win on time) */
7990 if (appData.icsActive) {
7991 SendToICS(ics_prefix);
7992 SendToICS("flag\n");
7997 case MachinePlaysWhite:
8000 GameEnds(GameIsDrawn, "Both players ran out of time",
8003 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
8005 DisplayError("Your opponent is not out of time", 0);
8008 case MachinePlaysBlack:
8011 GameEnds(GameIsDrawn, "Both players ran out of time",
8014 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
8016 DisplayError("Your opponent is not out of time", 0);
8026 /* Offer draw or accept pending draw offer from opponent */
8028 if (appData.icsActive) {
8029 /* Note: tournament rules require draw offers to be
8030 made after you make your move but before you punch
8031 your clock. Currently ICS doesn't let you do that;
8032 instead, you immediately punch your clock after making
8033 a move, but you can offer a draw at any time. */
8035 SendToICS(ics_prefix);
8036 SendToICS("draw\n");
8037 } else if (cmailMsgLoaded) {
8038 if (currentMove == cmailOldMove &&
8039 commentList[cmailOldMove] != NULL &&
8040 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
8041 "Black offers a draw" : "White offers a draw")) {
8042 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8043 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
8044 } else if (currentMove == cmailOldMove + 1) {
8045 char *offer = WhiteOnMove(cmailOldMove) ?
8046 "White offers a draw" : "Black offers a draw";
8047 AppendComment(currentMove, offer);
8048 DisplayComment(currentMove - 1, offer);
8049 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
8051 DisplayError("You must make your move before offering a draw", 0);
8052 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8054 } else if (first.offeredDraw) {
8055 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8057 if (first.sendDrawOffers) {
8058 SendToProgram("draw\n", &first);
8059 userOfferedDraw = TRUE;
8067 /* Offer Adjourn or accept pending Adjourn offer from opponent */
8069 if (appData.icsActive) {
8070 SendToICS(ics_prefix);
8071 SendToICS("adjourn\n");
8073 /* Currently GNU Chess doesn't offer or accept Adjourns */
8081 /* Offer Abort or accept pending Abort offer from opponent */
8083 if (appData.icsActive) {
8084 SendToICS(ics_prefix);
8085 SendToICS("abort\n");
8087 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
8094 /* Resign. You can do this even if it's not your turn. */
8096 if (appData.icsActive) {
8097 SendToICS(ics_prefix);
8098 SendToICS("resign\n");
8101 case MachinePlaysWhite:
8102 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8104 case MachinePlaysBlack:
8105 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8108 if (cmailMsgLoaded) {
8110 if (WhiteOnMove(cmailOldMove)) {
8111 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8113 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8115 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
8126 StopObservingEvent()
8128 /* Stop observing current games */
8129 SendToICS(ics_prefix);
8130 SendToICS("unobserve\n");
8134 StopExaminingEvent()
8136 /* Stop observing current game */
8137 SendToICS(ics_prefix);
8138 SendToICS("unexamine\n");
8142 ForwardInner(target)
8147 if (appData.debugMode)
8148 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
8149 target, currentMove, forwardMostMove);
8151 if (gameMode == EditPosition)
8154 if (gameMode == PlayFromGameFile && !pausing)
8157 if (gameMode == IcsExamining && pausing)
8158 limit = pauseExamForwardMostMove;
8160 limit = forwardMostMove;
8162 if (target > limit) target = limit;
8164 if (target > 0 && moveList[target - 1][0]) {
8165 int fromX, fromY, toX, toY;
8166 toX = moveList[target - 1][2] - 'a';
8167 toY = moveList[target - 1][3] - '1';
8168 if (moveList[target - 1][1] == '@') {
8169 if (appData.highlightLastMove) {
8170 SetHighlights(-1, -1, toX, toY);
8173 fromX = moveList[target - 1][0] - 'a';
8174 fromY = moveList[target - 1][1] - '1';
8175 if (target == currentMove + 1) {
8176 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8178 if (appData.highlightLastMove) {
8179 SetHighlights(fromX, fromY, toX, toY);
8183 if (gameMode == EditGame || gameMode == AnalyzeMode ||
8184 gameMode == Training || gameMode == PlayFromGameFile ||
8185 gameMode == AnalyzeFile) {
8186 while (currentMove < target) {
8187 SendMoveToProgram(currentMove++, &first);
8190 currentMove = target;
8193 if (gameMode == EditGame || gameMode == EndOfGame) {
8194 whiteTimeRemaining = timeRemaining[0][currentMove];
8195 blackTimeRemaining = timeRemaining[1][currentMove];
8197 DisplayBothClocks();
8198 DisplayMove(currentMove - 1);
8199 DrawPosition(FALSE, boards[currentMove]);
8200 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8201 if (commentList[currentMove] && !matchMode && gameMode != Training) {
8202 DisplayComment(currentMove - 1, commentList[currentMove]);
8210 if (gameMode == IcsExamining && !pausing) {
8211 SendToICS(ics_prefix);
8212 SendToICS("forward\n");
8214 ForwardInner(currentMove + 1);
8221 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8222 /* to optimze, we temporarily turn off analysis mode while we feed
8223 * the remaining moves to the engine. Otherwise we get analysis output
8226 if (first.analysisSupport) {
8227 SendToProgram("exit\nforce\n", &first);
8228 first.analyzing = FALSE;
8232 if (gameMode == IcsExamining && !pausing) {
8233 SendToICS(ics_prefix);
8234 SendToICS("forward 999999\n");
8236 ForwardInner(forwardMostMove);
8239 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8240 /* we have fed all the moves, so reactivate analysis mode */
8241 SendToProgram("analyze\n", &first);
8242 first.analyzing = TRUE;
8243 /*first.maybeThinking = TRUE;*/
8244 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
8249 BackwardInner(target)
8252 if (appData.debugMode)
8253 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
8254 target, currentMove, forwardMostMove);
8256 if (gameMode == EditPosition) return;
8257 if (currentMove <= backwardMostMove) {
8259 DrawPosition(FALSE, boards[currentMove]);
8262 if (gameMode == PlayFromGameFile && !pausing)
8265 if (moveList[target][0]) {
8266 int fromX, fromY, toX, toY;
8267 toX = moveList[target][2] - 'a';
8268 toY = moveList[target][3] - '1';
8269 if (moveList[target][1] == '@') {
8270 if (appData.highlightLastMove) {
8271 SetHighlights(-1, -1, toX, toY);
8274 fromX = moveList[target][0] - 'a';
8275 fromY = moveList[target][1] - '1';
8276 if (target == currentMove - 1) {
8277 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
8279 if (appData.highlightLastMove) {
8280 SetHighlights(fromX, fromY, toX, toY);
8284 if (gameMode == EditGame || gameMode==AnalyzeMode ||
8285 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8286 while (currentMove > target) {
8287 SendToProgram("undo\n", &first);
8291 currentMove = target;
8294 if (gameMode == EditGame || gameMode == EndOfGame) {
8295 whiteTimeRemaining = timeRemaining[0][currentMove];
8296 blackTimeRemaining = timeRemaining[1][currentMove];
8298 DisplayBothClocks();
8299 DisplayMove(currentMove - 1);
8300 DrawPosition(FALSE, boards[currentMove]);
8301 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8302 if (commentList[currentMove] != NULL) {
8303 DisplayComment(currentMove - 1, commentList[currentMove]);
8310 if (gameMode == IcsExamining && !pausing) {
8311 SendToICS(ics_prefix);
8312 SendToICS("backward\n");
8314 BackwardInner(currentMove - 1);
8321 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8322 /* to optimze, we temporarily turn off analysis mode while we undo
8323 * all the moves. Otherwise we get analysis output after each undo.
8325 if (first.analysisSupport) {
8326 SendToProgram("exit\nforce\n", &first);
8327 first.analyzing = FALSE;
8331 if (gameMode == IcsExamining && !pausing) {
8332 SendToICS(ics_prefix);
8333 SendToICS("backward 999999\n");
8335 BackwardInner(backwardMostMove);
8338 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8339 /* we have fed all the moves, so reactivate analysis mode */
8340 SendToProgram("analyze\n", &first);
8341 first.analyzing = TRUE;
8342 /*first.maybeThinking = TRUE;*/
8343 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
8350 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
8351 if (to >= forwardMostMove) to = forwardMostMove;
8352 if (to <= backwardMostMove) to = backwardMostMove;
8353 if (to < currentMove) {
8363 if (gameMode != IcsExamining) {
8364 DisplayError("You are not examining a game", 0);
8368 DisplayError("You can't revert while pausing", 0);
8371 SendToICS(ics_prefix);
8372 SendToICS("revert\n");
8379 case MachinePlaysWhite:
8380 case MachinePlaysBlack:
8381 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
8382 DisplayError("Wait until your turn,\nor select Move Now", 0);
8385 if (forwardMostMove < 2) return;
8386 currentMove = forwardMostMove = forwardMostMove - 2;
8387 whiteTimeRemaining = timeRemaining[0][currentMove];
8388 blackTimeRemaining = timeRemaining[1][currentMove];
8389 DisplayBothClocks();
8390 DisplayMove(currentMove - 1);
8391 ClearHighlights();/*!! could figure this out*/
8392 DrawPosition(FALSE, boards[currentMove]);
8393 SendToProgram("remove\n", &first);
8394 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
8397 case BeginningOfGame:
8401 case IcsPlayingWhite:
8402 case IcsPlayingBlack:
8403 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
8404 SendToICS(ics_prefix);
8405 SendToICS("takeback 2\n");
8407 SendToICS(ics_prefix);
8408 SendToICS("takeback 1\n");
8417 ChessProgramState *cps;
8420 case MachinePlaysWhite:
8421 if (!WhiteOnMove(forwardMostMove)) {
8422 DisplayError("It is your turn", 0);
8427 case MachinePlaysBlack:
8428 if (WhiteOnMove(forwardMostMove)) {
8429 DisplayError("It is your turn", 0);
8434 case TwoMachinesPlay:
8435 if (WhiteOnMove(forwardMostMove) ==
8436 (first.twoMachinesColor[0] == 'w')) {
8442 case BeginningOfGame:
8446 SendToProgram("?\n", cps);
8453 if (gameMode != EditGame) return;
8460 if (forwardMostMove > currentMove) {
8461 if (gameInfo.resultDetails != NULL) {
8462 free(gameInfo.resultDetails);
8463 gameInfo.resultDetails = NULL;
8464 gameInfo.result = GameUnfinished;
8466 forwardMostMove = currentMove;
8467 HistorySet(parseList, backwardMostMove, forwardMostMove,
8475 if (appData.noChessProgram) return;
8477 case MachinePlaysWhite:
8478 if (WhiteOnMove(forwardMostMove)) {
8479 DisplayError("Wait until your turn", 0);
8483 case BeginningOfGame:
8484 case MachinePlaysBlack:
8485 if (!WhiteOnMove(forwardMostMove)) {
8486 DisplayError("Wait until your turn", 0);
8491 DisplayError("No hint available", 0);
8494 SendToProgram("hint\n", &first);
8495 hintRequested = TRUE;
8501 if (appData.noChessProgram) return;
8503 case MachinePlaysWhite:
8504 if (WhiteOnMove(forwardMostMove)) {
8505 DisplayError("Wait until your turn", 0);
8509 case BeginningOfGame:
8510 case MachinePlaysBlack:
8511 if (!WhiteOnMove(forwardMostMove)) {
8512 DisplayError("Wait until your turn", 0);
8519 case TwoMachinesPlay:
8524 SendToProgram("bk\n", &first);
8525 bookOutput[0] = NULLCHAR;
8526 bookRequested = TRUE;
8532 char *tags = PGNTags(&gameInfo);
8533 TagsPopUp(tags, CmailMsg());
8537 /* end button procedures */
8540 PrintPosition(fp, move)
8546 for (i = BOARD_SIZE - 1; i >= 0; i--) {
8547 for (j = 0; j < BOARD_SIZE; j++) {
8548 char c = PieceToChar(boards[move][i][j]);
8549 fputc(c == 'x' ? '.' : c, fp);
8550 fputc(j == BOARD_SIZE - 1 ? '\n' : ' ', fp);
8553 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
8554 fprintf(fp, "white to play\n");
8556 fprintf(fp, "black to play\n");
8563 if (gameInfo.white != NULL) {
8564 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
8570 /* Find last component of program's own name, using some heuristics */
8572 TidyProgramName(prog, host, buf)
8573 char *prog, *host, buf[MSG_SIZ];
8576 int local = (strcmp(host, "localhost") == 0);
8577 while (!local && (p = strchr(prog, ';')) != NULL) {
8579 while (*p == ' ') p++;
8582 if (*prog == '"' || *prog == '\'') {
8583 q = strchr(prog + 1, *prog);
8585 q = strchr(prog, ' ');
8587 if (q == NULL) q = prog + strlen(prog);
8589 while (p >= prog && *p != '/' && *p != '\\') p--;
8591 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
8592 memcpy(buf, p, q - p);
8593 buf[q - p] = NULLCHAR;
8601 TimeControlTagValue()
8604 if (!appData.clockMode) {
8606 } else if (movesPerSession > 0) {
8607 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
8608 } else if (timeIncrement == 0) {
8609 sprintf(buf, "%ld", timeControl/1000);
8611 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
8613 return StrSave(buf);
8619 /* This routine is used only for certain modes */
8620 VariantClass v = gameInfo.variant;
8621 ClearGameInfo(&gameInfo);
8622 gameInfo.variant = v;
8625 case MachinePlaysWhite:
8626 gameInfo.event = StrSave("Computer chess game");
8627 gameInfo.site = StrSave(HostName());
8628 gameInfo.date = PGNDate();
8629 gameInfo.round = StrSave("-");
8630 gameInfo.white = StrSave(first.tidy);
8631 gameInfo.black = StrSave(UserName());
8632 gameInfo.timeControl = TimeControlTagValue();
8635 case MachinePlaysBlack:
8636 gameInfo.event = StrSave("Computer chess game");
8637 gameInfo.site = StrSave(HostName());
8638 gameInfo.date = PGNDate();
8639 gameInfo.round = StrSave("-");
8640 gameInfo.white = StrSave(UserName());
8641 gameInfo.black = StrSave(first.tidy);
8642 gameInfo.timeControl = TimeControlTagValue();
8645 case TwoMachinesPlay:
8646 gameInfo.event = StrSave("Computer chess game");
8647 gameInfo.site = StrSave(HostName());
8648 gameInfo.date = PGNDate();
8649 if (matchGame > 0) {
8651 sprintf(buf, "%d", matchGame);
8652 gameInfo.round = StrSave(buf);
8654 gameInfo.round = StrSave("-");
8656 if (first.twoMachinesColor[0] == 'w') {
8657 gameInfo.white = StrSave(first.tidy);
8658 gameInfo.black = StrSave(second.tidy);
8660 gameInfo.white = StrSave(second.tidy);
8661 gameInfo.black = StrSave(first.tidy);
8663 gameInfo.timeControl = TimeControlTagValue();
8667 gameInfo.event = StrSave("Edited game");
8668 gameInfo.site = StrSave(HostName());
8669 gameInfo.date = PGNDate();
8670 gameInfo.round = StrSave("-");
8671 gameInfo.white = StrSave("-");
8672 gameInfo.black = StrSave("-");
8676 gameInfo.event = StrSave("Edited position");
8677 gameInfo.site = StrSave(HostName());
8678 gameInfo.date = PGNDate();
8679 gameInfo.round = StrSave("-");
8680 gameInfo.white = StrSave("-");
8681 gameInfo.black = StrSave("-");
8684 case IcsPlayingWhite:
8685 case IcsPlayingBlack:
8690 case PlayFromGameFile:
8691 gameInfo.event = StrSave("Game from non-PGN file");
8692 gameInfo.site = StrSave(HostName());
8693 gameInfo.date = PGNDate();
8694 gameInfo.round = StrSave("-");
8695 gameInfo.white = StrSave("?");
8696 gameInfo.black = StrSave("?");
8705 ReplaceComment(index, text)
8711 while (*text == '\n') text++;
8713 while (len > 0 && text[len - 1] == '\n') len--;
8715 if (commentList[index] != NULL)
8716 free(commentList[index]);
8719 commentList[index] = NULL;
8722 commentList[index] = (char *) malloc(len + 2);
8723 strncpy(commentList[index], text, len);
8724 commentList[index][len] = '\n';
8725 commentList[index][len + 1] = NULLCHAR;
8738 if (ch == '\r') continue;
8740 } while (ch != '\0');
8744 AppendComment(index, text)
8752 while (*text == '\n') text++;
8754 while (len > 0 && text[len - 1] == '\n') len--;
8756 if (len == 0) return;
8758 if (commentList[index] != NULL) {
8759 old = commentList[index];
8760 oldlen = strlen(old);
8761 commentList[index] = (char *) malloc(oldlen + len + 2);
8762 strcpy(commentList[index], old);
8764 strncpy(&commentList[index][oldlen], text, len);
8765 commentList[index][oldlen + len] = '\n';
8766 commentList[index][oldlen + len + 1] = NULLCHAR;
8768 commentList[index] = (char *) malloc(len + 2);
8769 strncpy(commentList[index], text, len);
8770 commentList[index][len] = '\n';
8771 commentList[index][len + 1] = NULLCHAR;
8776 SendToProgram(message, cps)
8778 ChessProgramState *cps;
8780 int count, outCount, error;
8783 if (cps->pr == NULL) return;
8786 if (appData.debugMode) {
8789 fprintf(debugFP, "%ld >%-6s: %s",
8790 SubtractTimeMarks(&now, &programStartTime),
8791 cps->which, message);
8794 count = strlen(message);
8795 outCount = OutputToProcess(cps->pr, message, count, &error);
8796 if (outCount < count && !exiting) {
8797 sprintf(buf, "Error writing to %s chess program", cps->which);
8798 DisplayFatalError(buf, error, 1);
8803 ReceiveFromProgram(isr, closure, message, count, error)
8812 ChessProgramState *cps = (ChessProgramState *)closure;
8814 if (isr != cps->isr) return; /* Killed intentionally */
8818 "Error: %s chess program (%s) exited unexpectedly",
8819 cps->which, cps->program);
8820 RemoveInputSource(cps->isr);
8821 DisplayFatalError(buf, 0, 1);
8824 "Error reading from %s chess program (%s)",
8825 cps->which, cps->program);
8826 RemoveInputSource(cps->isr);
8827 DisplayFatalError(buf, error, 1);
8829 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8833 if ((end_str = strchr(message, '\r')) != NULL)
8834 *end_str = NULLCHAR;
8835 if ((end_str = strchr(message, '\n')) != NULL)
8836 *end_str = NULLCHAR;
8838 if (appData.debugMode) {
8841 fprintf(debugFP, "%ld <%-6s: %s\n",
8842 SubtractTimeMarks(&now, &programStartTime),
8843 cps->which, message);
8845 HandleMachineMove(message, cps);
8850 SendTimeControl(cps, mps, tc, inc, sd, st)
8851 ChessProgramState *cps;
8852 int mps, inc, sd, st;
8856 int seconds = (tc / 1000) % 60;
8859 /* Set exact time per move, normally using st command */
8860 if (cps->stKludge) {
8861 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
8864 sprintf(buf, "level 1 %d\n", st/60);
8866 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
8869 sprintf(buf, "st %d\n", st);
8872 /* Set conventional or incremental time control, using level command */
8874 /* Note old gnuchess bug -- minutes:seconds used to not work.
8875 Fixed in later versions, but still avoid :seconds
8876 when seconds is 0. */
8877 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
8879 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
8883 SendToProgram(buf, cps);
8885 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
8886 /* Orthogonally, limit search to given depth */
8888 if (cps->sdKludge) {
8889 sprintf(buf, "depth\n%d\n", sd);
8891 sprintf(buf, "sd %d\n", sd);
8893 SendToProgram(buf, cps);
8898 SendTimeRemaining(cps, machineWhite)
8899 ChessProgramState *cps;
8900 int /*boolean*/ machineWhite;
8902 char message[MSG_SIZ];
8905 /* Note: this routine must be called when the clocks are stopped
8906 or when they have *just* been set or switched; otherwise
8907 it will be off by the time since the current tick started.
8910 time = whiteTimeRemaining / 10;
8911 otime = blackTimeRemaining / 10;
8913 time = blackTimeRemaining / 10;
8914 otime = whiteTimeRemaining / 10;
8916 if (time <= 0) time = 1;
8917 if (otime <= 0) otime = 1;
8919 sprintf(message, "time %ld\notim %ld\n", time, otime);
8920 SendToProgram(message, cps);
8924 BoolFeature(p, name, loc, cps)
8928 ChessProgramState *cps;
8931 int len = strlen(name);
8933 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
8935 sscanf(*p, "%d", &val);
8937 while (**p && **p != ' ') (*p)++;
8938 sprintf(buf, "accepted %s\n", name);
8939 SendToProgram(buf, cps);
8946 IntFeature(p, name, loc, cps)
8950 ChessProgramState *cps;
8953 int len = strlen(name);
8954 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
8956 sscanf(*p, "%d", loc);
8957 while (**p && **p != ' ') (*p)++;
8958 sprintf(buf, "accepted %s\n", name);
8959 SendToProgram(buf, cps);
8966 StringFeature(p, name, loc, cps)
8970 ChessProgramState *cps;
8973 int len = strlen(name);
8974 if (strncmp((*p), name, len) == 0
8975 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
8977 sscanf(*p, "%[^\"]", loc);
8978 while (**p && **p != '\"') (*p)++;
8979 if (**p == '\"') (*p)++;
8980 sprintf(buf, "accepted %s\n", name);
8981 SendToProgram(buf, cps);
8988 FeatureDone(cps, val)
8989 ChessProgramState* cps;
8992 DelayedEventCallback cb = GetDelayedEvent();
8993 if ((cb == InitBackEnd3 && cps == &first) ||
8994 (cb == TwoMachinesEventIfReady && cps == &second)) {
8995 CancelDelayedEvent();
8996 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
8998 cps->initDone = val;
9001 /* Parse feature command from engine */
9003 ParseFeatures(args, cps)
9005 ChessProgramState *cps;
9013 while (*p == ' ') p++;
9014 if (*p == NULLCHAR) return;
9016 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
9017 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
9018 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
9019 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
9020 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
9021 if (BoolFeature(&p, "reuse", &val, cps)) {
9022 /* Engine can disable reuse, but can't enable it if user said no */
9023 if (!val) cps->reuse = FALSE;
9026 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
9027 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
9028 if (gameMode == TwoMachinesPlay) {
9029 DisplayTwoMachinesTitle();
9035 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
9036 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
9037 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
9038 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
9039 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
9040 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
9041 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
9042 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
9043 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
9044 if (IntFeature(&p, "done", &val, cps)) {
9045 FeatureDone(cps, val);
9049 /* unknown feature: complain and skip */
9051 while (*q && *q != '=') q++;
9052 sprintf(buf, "rejected %.*s\n", q-p, p);
9053 SendToProgram(buf, cps);
9059 while (*p && *p != '\"') p++;
9060 if (*p == '\"') p++;
9062 while (*p && *p != ' ') p++;
9070 PeriodicUpdatesEvent(newState)
9073 if (newState == appData.periodicUpdates)
9076 appData.periodicUpdates=newState;
9078 /* Display type changes, so update it now */
9081 /* Get the ball rolling again... */
9083 AnalysisPeriodicEvent(1);
9084 StartAnalysisClock();
9089 PonderNextMoveEvent(newState)
9092 if (newState == appData.ponderNextMove) return;
9093 if (gameMode == EditPosition) EditPositionDone();
9095 SendToProgram("hard\n", &first);
9096 if (gameMode == TwoMachinesPlay) {
9097 SendToProgram("hard\n", &second);
9100 SendToProgram("easy\n", &first);
9101 thinkOutput[0] = NULLCHAR;
9102 if (gameMode == TwoMachinesPlay) {
9103 SendToProgram("easy\n", &second);
9106 appData.ponderNextMove = newState;
9110 ShowThinkingEvent(newState)
9113 if (newState == appData.showThinking) return;
9114 if (gameMode == EditPosition) EditPositionDone();
9116 SendToProgram("post\n", &first);
9117 if (gameMode == TwoMachinesPlay) {
9118 SendToProgram("post\n", &second);
9121 SendToProgram("nopost\n", &first);
9122 thinkOutput[0] = NULLCHAR;
9123 if (gameMode == TwoMachinesPlay) {
9124 SendToProgram("nopost\n", &second);
9127 appData.showThinking = newState;
9131 AskQuestionEvent(title, question, replyPrefix, which)
9132 char *title; char *question; char *replyPrefix; char *which;
9134 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
9135 if (pr == NoProc) return;
9136 AskQuestion(title, question, replyPrefix, pr);
9140 DisplayMove(moveNumber)
9143 char message[MSG_SIZ];
9145 char cpThinkOutput[MSG_SIZ];
9147 if (moveNumber == forwardMostMove - 1 ||
9148 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
9150 strcpy(cpThinkOutput, thinkOutput);
9151 if (strchr(cpThinkOutput, '\n'))
9152 *strchr(cpThinkOutput, '\n') = NULLCHAR;
9154 *cpThinkOutput = NULLCHAR;
9157 if (moveNumber == forwardMostMove - 1 &&
9158 gameInfo.resultDetails != NULL) {
9159 if (gameInfo.resultDetails[0] == NULLCHAR) {
9160 sprintf(res, " %s", PGNResult(gameInfo.result));
9162 sprintf(res, " {%s} %s",
9163 gameInfo.resultDetails, PGNResult(gameInfo.result));
9169 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
9170 DisplayMessage(res, cpThinkOutput);
9172 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
9173 WhiteOnMove(moveNumber) ? " " : ".. ",
9174 parseList[moveNumber], res);
9175 DisplayMessage(message, cpThinkOutput);
9180 DisplayAnalysisText(text)
9185 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
9186 sprintf(buf, "Analysis (%s)", first.tidy);
9187 AnalysisPopUp(buf, text);
9195 while (*str && isspace(*str)) ++str;
9196 while (*str && !isspace(*str)) ++str;
9197 if (!*str) return 1;
9198 while (*str && isspace(*str)) ++str;
9199 if (!*str) return 1;
9208 static char *xtra[] = { "", " (--)", " (++)" };
9211 if (programStats.time == 0) {
9212 programStats.time = 1;
9215 if (programStats.got_only_move) {
9216 strcpy(buf, programStats.movelist);
9218 nps = (((double)programStats.nodes) /
9219 (((double)programStats.time)/100.0));
9221 cs = programStats.time % 100;
9222 s = programStats.time / 100;
9228 if (programStats.moves_left > 0 && appData.periodicUpdates) {
9229 if (programStats.move_name[0] != NULLCHAR) {
9230 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: %lu NPS: %d\nTime: %02d:%02d:%02d.%02d",
9232 programStats.nr_moves-programStats.moves_left,
9233 programStats.nr_moves, programStats.move_name,
9234 ((float)programStats.score)/100.0, programStats.movelist,
9235 only_one_move(programStats.movelist)?
9236 xtra[programStats.got_fail] : "",
9237 programStats.nodes, (int)nps, h, m, s, cs);
9239 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: %lu NPS: %d\nTime: %02d:%02d:%02d.%02d",
9241 programStats.nr_moves-programStats.moves_left,
9242 programStats.nr_moves, ((float)programStats.score)/100.0,
9243 programStats.movelist,
9244 only_one_move(programStats.movelist)?
9245 xtra[programStats.got_fail] : "",
9246 programStats.nodes, (int)nps, h, m, s, cs);
9249 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: %lu NPS: %d\nTime: %02d:%02d:%02d.%02d",
9251 ((float)programStats.score)/100.0,
9252 programStats.movelist,
9253 only_one_move(programStats.movelist)?
9254 xtra[programStats.got_fail] : "",
9255 programStats.nodes, (int)nps, h, m, s, cs);
9258 DisplayAnalysisText(buf);
9262 DisplayComment(moveNumber, text)
9266 char title[MSG_SIZ];
9268 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
9269 strcpy(title, "Comment");
9271 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
9272 WhiteOnMove(moveNumber) ? " " : ".. ",
9273 parseList[moveNumber]);
9276 CommentPopUp(title, text);
9279 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
9280 * might be busy thinking or pondering. It can be omitted if your
9281 * gnuchess is configured to stop thinking immediately on any user
9282 * input. However, that gnuchess feature depends on the FIONREAD
9283 * ioctl, which does not work properly on some flavors of Unix.
9287 ChessProgramState *cps;
9290 if (!cps->useSigint) return;
9291 if (appData.noChessProgram || (cps->pr == NoProc)) return;
9293 case MachinePlaysWhite:
9294 case MachinePlaysBlack:
9295 case TwoMachinesPlay:
9296 case IcsPlayingWhite:
9297 case IcsPlayingBlack:
9300 /* Skip if we know it isn't thinking */
9301 if (!cps->maybeThinking) return;
9302 if (appData.debugMode)
9303 fprintf(debugFP, "Interrupting %s\n", cps->which);
9304 InterruptChildProcess(cps->pr);
9305 cps->maybeThinking = FALSE;
9310 #endif /*ATTENTION*/
9316 if (whiteTimeRemaining <= 0) {
9319 if (appData.icsActive) {
9320 if (appData.autoCallFlag &&
9321 gameMode == IcsPlayingBlack && !blackFlag) {
9322 SendToICS(ics_prefix);
9323 SendToICS("flag\n");
9327 DisplayTitle("Both flags fell");
9329 DisplayTitle("White's flag fell");
9330 if (appData.autoCallFlag) {
9331 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
9338 if (blackTimeRemaining <= 0) {
9341 if (appData.icsActive) {
9342 if (appData.autoCallFlag &&
9343 gameMode == IcsPlayingWhite && !whiteFlag) {
9344 SendToICS(ics_prefix);
9345 SendToICS("flag\n");
9349 DisplayTitle("Both flags fell");
9351 DisplayTitle("Black's flag fell");
9352 if (appData.autoCallFlag) {
9353 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
9366 if (!appData.clockMode || appData.icsActive ||
9367 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
9369 if (timeIncrement >= 0) {
9370 if (WhiteOnMove(forwardMostMove)) {
9371 blackTimeRemaining += timeIncrement;
9373 whiteTimeRemaining += timeIncrement;
9377 * add time to clocks when time control is achieved
9379 if (movesPerSession) {
9380 switch ((forwardMostMove + 1) % (movesPerSession * 2)) {
9382 /* White made time control */
9383 whiteTimeRemaining += timeControl;
9386 /* Black made time control */
9387 blackTimeRemaining += timeControl;
9398 int wom = gameMode == EditPosition ?
9399 !blackPlaysFirst : WhiteOnMove(currentMove);
9400 DisplayWhiteClock(whiteTimeRemaining, wom);
9401 DisplayBlackClock(blackTimeRemaining, !wom);
9405 /* Timekeeping seems to be a portability nightmare. I think everyone
9406 has ftime(), but I'm really not sure, so I'm including some ifdefs
9407 to use other calls if you don't. Clocks will be less accurate if
9408 you have neither ftime nor gettimeofday.
9411 /* Get the current time as a TimeMark */
9416 #if HAVE_GETTIMEOFDAY
9418 struct timeval timeVal;
9419 struct timezone timeZone;
9421 gettimeofday(&timeVal, &timeZone);
9422 tm->sec = (long) timeVal.tv_sec;
9423 tm->ms = (int) (timeVal.tv_usec / 1000L);
9425 #else /*!HAVE_GETTIMEOFDAY*/
9428 #include <sys/timeb.h>
9432 tm->sec = (long) timeB.time;
9433 tm->ms = (int) timeB.millitm;
9435 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
9436 tm->sec = (long) time(NULL);
9442 /* Return the difference in milliseconds between two
9443 time marks. We assume the difference will fit in a long!
9446 SubtractTimeMarks(tm2, tm1)
9447 TimeMark *tm2, *tm1;
9449 return 1000L*(tm2->sec - tm1->sec) +
9450 (long) (tm2->ms - tm1->ms);
9455 * Code to manage the game clocks.
9457 * In tournament play, black starts the clock and then white makes a move.
9458 * We give the human user a slight advantage if he is playing white---the
9459 * clocks don't run until he makes his first move, so it takes zero time.
9460 * Also, we don't account for network lag, so we could get out of sync
9461 * with GNU Chess's clock -- but then, referees are always right.
9464 static TimeMark tickStartTM;
9465 static long intendedTickLength;
9468 NextTickLength(timeRemaining)
9471 long nominalTickLength, nextTickLength;
9473 if (timeRemaining > 0L && timeRemaining <= 10000L)
9474 nominalTickLength = 100L;
9476 nominalTickLength = 1000L;
9477 nextTickLength = timeRemaining % nominalTickLength;
9478 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
9480 return nextTickLength;
9483 /* Stop clocks and reset to a fresh time control */
9487 (void) StopClockTimer();
9488 if (appData.icsActive) {
9489 whiteTimeRemaining = blackTimeRemaining = 0;
9491 whiteTimeRemaining = blackTimeRemaining = timeControl;
9493 if (whiteFlag || blackFlag) {
9495 whiteFlag = blackFlag = FALSE;
9497 DisplayBothClocks();
9500 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
9502 /* Decrement running clock by amount of time that has passed */
9507 long lastTickLength, fudge;
9510 if (!appData.clockMode) return;
9511 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
9515 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9517 /* Fudge if we woke up a little too soon */
9518 fudge = intendedTickLength - lastTickLength;
9519 if (fudge < 0 || fudge > FUDGE) fudge = 0;
9521 if (WhiteOnMove(forwardMostMove)) {
9522 timeRemaining = whiteTimeRemaining -= lastTickLength;
9523 DisplayWhiteClock(whiteTimeRemaining - fudge,
9524 WhiteOnMove(currentMove));
9526 timeRemaining = blackTimeRemaining -= lastTickLength;
9527 DisplayBlackClock(blackTimeRemaining - fudge,
9528 !WhiteOnMove(currentMove));
9531 if (CheckFlags()) return;
9534 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
9535 StartClockTimer(intendedTickLength);
9537 /* if the time remaining has fallen below the alarm threshold, sound the
9538 * alarm. if the alarm has sounded and (due to a takeback or time control
9539 * with increment) the time remaining has increased to a level above the
9540 * threshold, reset the alarm so it can sound again.
9543 if (appData.icsActive && appData.icsAlarm) {
9545 /* make sure we are dealing with the user's clock */
9546 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
9547 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
9550 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
9551 alarmSounded = FALSE;
9552 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
9554 alarmSounded = TRUE;
9560 /* A player has just moved, so stop the previously running
9561 clock and (if in clock mode) start the other one.
9562 We redisplay both clocks in case we're in ICS mode, because
9563 ICS gives us an update to both clocks after every move.
9564 Note that this routine is called *after* forwardMostMove
9565 is updated, so the last fractional tick must be subtracted
9566 from the color that is *not* on move now.
9571 long lastTickLength;
9573 int flagged = FALSE;
9577 if (StopClockTimer() && appData.clockMode) {
9578 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9579 if (WhiteOnMove(forwardMostMove)) {
9580 blackTimeRemaining -= lastTickLength;
9582 whiteTimeRemaining -= lastTickLength;
9584 flagged = CheckFlags();
9588 if (flagged || !appData.clockMode) return;
9591 case MachinePlaysBlack:
9592 case MachinePlaysWhite:
9593 case BeginningOfGame:
9594 if (pausing) return;
9598 case PlayFromGameFile:
9607 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
9608 whiteTimeRemaining : blackTimeRemaining);
9609 StartClockTimer(intendedTickLength);
9613 /* Stop both clocks */
9617 long lastTickLength;
9620 if (!StopClockTimer()) return;
9621 if (!appData.clockMode) return;
9625 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9626 if (WhiteOnMove(forwardMostMove)) {
9627 whiteTimeRemaining -= lastTickLength;
9628 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
9630 blackTimeRemaining -= lastTickLength;
9631 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
9636 /* Start clock of player on move. Time may have been reset, so
9637 if clock is already running, stop and restart it. */
9641 (void) StopClockTimer(); /* in case it was running already */
9642 DisplayBothClocks();
9643 if (CheckFlags()) return;
9645 if (!appData.clockMode) return;
9646 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
9648 GetTimeMark(&tickStartTM);
9649 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
9650 whiteTimeRemaining : blackTimeRemaining);
9651 StartClockTimer(intendedTickLength);
9658 long second, minute, hour, day;
9660 static char buf[32];
9662 if (ms > 0 && ms <= 9900) {
9663 /* convert milliseconds to tenths, rounding up */
9664 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
9666 sprintf(buf, " %03.1f ", tenths/10.0);
9670 /* convert milliseconds to seconds, rounding up */
9671 /* use floating point to avoid strangeness of integer division
9672 with negative dividends on many machines */
9673 second = (long) floor(((double) (ms + 999L)) / 1000.0);
9680 day = second / (60 * 60 * 24);
9681 second = second % (60 * 60 * 24);
9682 hour = second / (60 * 60);
9683 second = second % (60 * 60);
9684 minute = second / 60;
9685 second = second % 60;
9688 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
9689 sign, day, hour, minute, second);
9691 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
9693 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
9700 * This is necessary because some C libraries aren't ANSI C compliant yet.
9703 StrStr(string, match)
9704 char *string, *match;
9708 length = strlen(match);
9710 for (i = strlen(string) - length; i >= 0; i--, string++)
9711 if (!strncmp(match, string, length))
9718 StrCaseStr(string, match)
9719 char *string, *match;
9723 length = strlen(match);
9725 for (i = strlen(string) - length; i >= 0; i--, string++) {
9726 for (j = 0; j < length; j++) {
9727 if (ToLower(match[j]) != ToLower(string[j]))
9730 if (j == length) return string;
9744 c1 = ToLower(*s1++);
9745 c2 = ToLower(*s2++);
9746 if (c1 > c2) return 1;
9747 if (c1 < c2) return -1;
9748 if (c1 == NULLCHAR) return 0;
9757 return isupper(c) ? tolower(c) : c;
9765 return islower(c) ? toupper(c) : c;
9767 #endif /* !_amigados */
9775 if ((ret = (char *) malloc(strlen(s) + 1))) {
9782 StrSavePtr(s, savePtr)
9788 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
9789 strcpy(*savePtr, s);
9801 clock = time((time_t *)NULL);
9802 tm = localtime(&clock);
9803 sprintf(buf, "%04d.%02d.%02d",
9804 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
9805 return StrSave(buf);
9813 int i, j, fromX, fromY, toX, toY;
9819 whiteToPlay = (gameMode == EditPosition) ?
9820 !blackPlaysFirst : (move % 2 == 0);
9823 /* Piece placement data */
9824 for (i = BOARD_SIZE - 1; i >= 0; i--) {
9826 for (j = 0; j < BOARD_SIZE; j++) {
9827 if (boards[move][i][j] == EmptySquare) {
9830 if (emptycount > 0) {
9831 *p++ = '0' + emptycount;
9834 *p++ = PieceToChar(boards[move][i][j]);
9837 if (emptycount > 0) {
9838 *p++ = '0' + emptycount;
9846 *p++ = whiteToPlay ? 'w' : 'b';
9849 /* !!We don't keep track of castling availability, so fake it */
9851 if (boards[move][0][4] == WhiteKing) {
9852 if (boards[move][0][7] == WhiteRook) *p++ = 'K';
9853 if (boards[move][0][0] == WhiteRook) *p++ = 'Q';
9855 if (boards[move][7][4] == BlackKing) {
9856 if (boards[move][7][7] == BlackRook) *p++ = 'k';
9857 if (boards[move][7][0] == BlackRook) *p++ = 'q';
9859 if (q == p) *p++ = '-';
9862 /* En passant target square */
9863 if (move > backwardMostMove) {
9864 fromX = moveList[move - 1][0] - 'a';
9865 fromY = moveList[move - 1][1] - '1';
9866 toX = moveList[move - 1][2] - 'a';
9867 toY = moveList[move - 1][3] - '1';
9868 if (fromY == (whiteToPlay ? 6 : 1) &&
9869 toY == (whiteToPlay ? 4 : 3) &&
9870 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
9872 /* 2-square pawn move just happened */
9874 *p++ = whiteToPlay ? '6' : '3';
9882 /* !!We don't keep track of halfmove clock for 50-move rule */
9886 /* Fullmove number */
9887 sprintf(p, "%d", (move / 2) + 1);
9889 return StrSave(buf);
9893 ParseFEN(board, blackPlaysFirst, fen)
9895 int *blackPlaysFirst;
9904 /* Piece placement data */
9905 for (i = BOARD_SIZE - 1; i >= 0; i--) {
9908 if (*p == '/' || *p == ' ') {
9910 emptycount = BOARD_SIZE - j;
9911 while (emptycount--) board[i][j++] = EmptySquare;
9913 } else if (isdigit(*p)) {
9914 emptycount = *p++ - '0';
9915 if (j + emptycount > BOARD_SIZE) return FALSE;
9916 while (emptycount--) board[i][j++] = EmptySquare;
9917 } else if (isalpha(*p)) {
9918 if (j >= BOARD_SIZE) return FALSE;
9919 board[i][j++] = CharToPiece(*p++);
9925 while (*p == '/' || *p == ' ') p++;
9930 *blackPlaysFirst = FALSE;
9933 *blackPlaysFirst = TRUE;
9938 /* !!We ignore the rest of the FEN notation */
9943 EditPositionPasteFEN(char *fen)
9946 Board initial_position;
9948 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
9949 DisplayError("Bad FEN position in clipboard", 0);
9952 int savedBlackPlaysFirst = blackPlaysFirst;
9953 EditPositionEvent();
9954 blackPlaysFirst = savedBlackPlaysFirst;
9955 CopyBoard(boards[0], initial_position);
9957 DisplayBothClocks();
9958 DrawPosition(FALSE, boards[currentMove]);