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"
113 # define _(s) gettext (s)
114 # define N_(s) gettext_noop (s)
121 /* A point in time */
123 long sec; /* Assuming this is >= 32 bits */
124 int ms; /* Assuming this is >= 16 bits */
127 /* Search stats from chessprogram */
129 char movelist[2*MSG_SIZ]; /* Last PV we were sent */
130 int depth; /* Current search depth */
131 int nr_moves; /* Total nr of root moves */
132 int moves_left; /* Moves remaining to be searched */
133 char move_name[MOVE_LEN]; /* Current move being searched, if provided */
134 u64 nodes; /* # of nodes searched */
135 int time; /* Search time (centiseconds) */
136 int score; /* Score (centipawns) */
137 int got_only_move; /* If last msg was "(only move)" */
138 int got_fail; /* 0 - nothing, 1 - got "--", 2 - got "++" */
139 int ok_to_send; /* handshaking between send & recv */
140 int line_is_book; /* 1 if movelist is book moves */
141 int seen_stat; /* 1 if we've seen the stat01: line */
144 int establish P((void));
145 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
146 char *buf, int count, int error));
147 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void SendToICS P((char *s));
150 void SendToICSDelayed P((char *s, long msdelay));
151 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
153 void InitPosition P((int redraw));
154 void HandleMachineMove P((char *message, ChessProgramState *cps));
155 int AutoPlayOneMove P((void));
156 int LoadGameOneMove P((ChessMove readAhead));
157 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
158 int LoadPositionFromFile P((char *filename, int n, char *title));
159 int SavePositionToFile P((char *filename));
160 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
162 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
163 void ShowMove P((int fromX, int fromY, int toX, int toY));
164 void FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
165 /*char*/int promoChar));
166 void BackwardInner P((int target));
167 void ForwardInner P((int target));
168 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
169 void EditPositionDone P((void));
170 void PrintOpponents P((FILE *fp));
171 void PrintPosition P((FILE *fp, int move));
172 void StartChessProgram P((ChessProgramState *cps));
173 void SendToProgram P((char *message, ChessProgramState *cps));
174 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
175 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
176 char *buf, int count, int error));
177 void SendTimeControl P((ChessProgramState *cps,
178 int mps, long tc, int inc, int sd, int st));
179 char *TimeControlTagValue P((void));
180 void Attention P((ChessProgramState *cps));
181 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
182 void ResurrectChessProgram P((void));
183 void DisplayComment P((int moveNumber, char *text));
184 void DisplayMove P((int moveNumber));
185 void DisplayAnalysis P((void));
187 void ParseGameHistory P((char *game));
188 void ParseBoard12 P((char *string));
189 void StartClocks P((void));
190 void SwitchClocks P((void));
191 void StopClocks P((void));
192 void ResetClocks P((void));
193 char *PGNDate P((void));
194 void SetGameInfo P((void));
195 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
196 int RegisterMove P((void));
197 void MakeRegisteredMove P((void));
198 void TruncateGame P((void));
199 int looking_at P((char *, int *, char *));
200 void CopyPlayerNameIntoFileName P((char **, char *));
201 char *SavePart P((char *));
202 int SaveGameOldStyle P((FILE *));
203 int SaveGamePGN P((FILE *));
204 void GetTimeMark P((TimeMark *));
205 long SubtractTimeMarks P((TimeMark *, TimeMark *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps));
215 double u64ToDouble P((u64 value));
218 extern void ConsoleCreate();
221 extern int tinyLayout, smallLayout;
222 static ChessProgramStats programStats;
224 /* States for ics_getting_history */
226 #define H_REQUESTED 1
227 #define H_GOT_REQ_HEADER 2
228 #define H_GOT_UNREQ_HEADER 3
229 #define H_GETTING_MOVES 4
230 #define H_GOT_UNWANTED_HEADER 5
232 /* whosays values for GameEnds */
239 /* Maximum number of games in a cmail message */
240 #define CMAIL_MAX_GAMES 20
242 /* Different types of move when calling RegisterMove */
244 #define CMAIL_RESIGN 1
246 #define CMAIL_ACCEPT 3
248 /* Different types of result to remember for each game */
249 #define CMAIL_NOT_RESULT 0
250 #define CMAIL_OLD_RESULT 1
251 #define CMAIL_NEW_RESULT 2
253 /* Telnet protocol constants */
263 /* Some compiler can't cast u64 to double
264 * This function do the job for us:
266 * We use the highest bit for cast, this only
267 * works if the highest bit is not
268 * in use (This should not happen)
270 * We used this for all compiler
273 u64ToDouble(u64 value)
276 u64 tmp = value & u64Const(0x7fffffffffffffff);
277 r = (double)(s64)tmp;
278 if (value & u64Const(0x8000000000000000))
279 r += 9.2233720368547758080e18; /* 2^63 */
283 /* Fake up flags for now, as we aren't keeping track of castling
288 int flags = F_ALL_CASTLE_OK;
289 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
290 switch (gameInfo.variant) {
292 case VariantGiveaway:
293 flags |= F_IGNORE_CHECK;
294 flags &= ~F_ALL_CASTLE_OK;
297 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
299 case VariantKriegspiel:
300 flags |= F_KRIEGSPIEL_CAPTURE;
302 case VariantNoCastle:
303 flags &= ~F_ALL_CASTLE_OK;
311 FILE *gameFileFP, *debugFP;
313 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
314 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
315 char thinkOutput1[MSG_SIZ*10];
317 ChessProgramState first, second;
319 /* premove variables */
322 int premoveFromX = 0;
323 int premoveFromY = 0;
324 int premovePromoChar = 0;
326 Boolean alarmSounded;
327 /* end premove variables */
329 char *ics_prefix = "$";
330 int ics_type = ICS_GENERIC;
332 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
333 int pauseExamForwardMostMove = 0;
334 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
335 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
336 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
337 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
338 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
339 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
340 int whiteFlag = FALSE, blackFlag = FALSE;
341 int userOfferedDraw = FALSE;
342 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
343 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
344 int cmailMoveType[CMAIL_MAX_GAMES];
345 long ics_clock_paused = 0;
346 ProcRef icsPR = NoProc, cmailPR = NoProc;
347 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
348 GameMode gameMode = BeginningOfGame;
349 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
350 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
351 char white_holding[64], black_holding[64];
352 TimeMark lastNodeCountTime;
353 long lastNodeCount=0;
354 int have_sent_ICS_logon = 0;
356 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
357 long timeRemaining[2][MAX_MOVES];
359 TimeMark programStartTime;
360 char ics_handle[MSG_SIZ];
361 int have_set_title = 0;
363 /* animateTraining preserves the state of appData.animate
364 * when Training mode is activated. This allows the
365 * response to be animated when appData.animate == TRUE and
366 * appData.animateDragging == TRUE.
368 Boolean animateTraining;
374 Board boards[MAX_MOVES];
375 Board initialPosition = {
376 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
377 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
378 { WhitePawn, WhitePawn, WhitePawn, WhitePawn,
379 WhitePawn, WhitePawn, WhitePawn, WhitePawn },
380 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
381 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
382 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
383 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
384 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
385 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
386 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
387 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
388 { BlackPawn, BlackPawn, BlackPawn, BlackPawn,
389 BlackPawn, BlackPawn, BlackPawn, BlackPawn },
390 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
391 BlackKing, BlackBishop, BlackKnight, BlackRook }
393 Board twoKingsPosition = {
394 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
395 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
396 { WhitePawn, WhitePawn, WhitePawn, WhitePawn,
397 WhitePawn, WhitePawn, WhitePawn, WhitePawn },
398 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
399 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
400 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
401 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
402 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
403 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
404 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
405 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
406 { BlackPawn, BlackPawn, BlackPawn, BlackPawn,
407 BlackPawn, BlackPawn, BlackPawn, BlackPawn },
408 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
409 BlackKing, BlackKing, BlackKnight, BlackRook }
413 /* Convert str to a rating. Checks for special cases of "----",
414 "++++", etc. Also strips ()'s */
416 string_to_rating(str)
419 while(*str && !isdigit(*str)) ++str;
421 return 0; /* One of the special "no rating" cases */
429 /* Init programStats */
430 programStats.movelist[0] = 0;
431 programStats.depth = 0;
432 programStats.nr_moves = 0;
433 programStats.moves_left = 0;
434 programStats.nodes = 0;
435 programStats.time = 100;
436 programStats.score = 0;
437 programStats.got_only_move = 0;
438 programStats.got_fail = 0;
439 programStats.line_is_book = 0;
445 int matched, min, sec;
447 GetTimeMark(&programStartTime);
450 programStats.ok_to_send = 1;
451 programStats.seen_stat = 0;
454 * Initialize game list
460 * Internet chess server status
462 if (appData.icsActive) {
463 appData.matchMode = FALSE;
464 appData.matchGames = 0;
466 appData.noChessProgram = !appData.zippyPlay;
468 appData.zippyPlay = FALSE;
469 appData.zippyTalk = FALSE;
470 appData.noChessProgram = TRUE;
472 if (*appData.icsHelper != NULLCHAR) {
473 appData.useTelnet = TRUE;
474 appData.telnetProgram = appData.icsHelper;
477 appData.zippyTalk = appData.zippyPlay = FALSE;
481 * Parse timeControl resource
483 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
484 appData.movesPerSession)) {
486 sprintf(buf, _("bad timeControl option %s"), appData.timeControl);
487 DisplayFatalError(buf, 0, 2);
491 * Parse searchTime resource
493 if (*appData.searchTime != NULLCHAR) {
494 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
496 searchTime = min * 60;
497 } else if (matched == 2) {
498 searchTime = min * 60 + sec;
501 sprintf(buf, _("bad searchTime option %s"), appData.searchTime);
502 DisplayFatalError(buf, 0, 2);
506 first.which = "first";
507 second.which = "second";
508 first.maybeThinking = second.maybeThinking = FALSE;
509 first.pr = second.pr = NoProc;
510 first.isr = second.isr = NULL;
511 first.sendTime = second.sendTime = 2;
512 first.sendDrawOffers = 1;
513 if (appData.firstPlaysBlack) {
514 first.twoMachinesColor = "black\n";
515 second.twoMachinesColor = "white\n";
517 first.twoMachinesColor = "white\n";
518 second.twoMachinesColor = "black\n";
520 first.program = appData.firstChessProgram;
521 second.program = appData.secondChessProgram;
522 first.host = appData.firstHost;
523 second.host = appData.secondHost;
524 first.dir = appData.firstDirectory;
525 second.dir = appData.secondDirectory;
526 first.other = &second;
527 second.other = &first;
528 first.initString = appData.initString;
529 second.initString = appData.secondInitString;
530 first.computerString = appData.firstComputerString;
531 second.computerString = appData.secondComputerString;
532 first.useSigint = second.useSigint = TRUE;
533 first.useSigterm = second.useSigterm = TRUE;
534 first.reuse = appData.reuseFirst;
535 second.reuse = appData.reuseSecond;
536 first.useSetboard = second.useSetboard = FALSE;
537 first.useSAN = second.useSAN = FALSE;
538 first.usePing = second.usePing = FALSE;
539 first.lastPing = second.lastPing = 0;
540 first.lastPong = second.lastPong = 0;
541 first.usePlayother = second.usePlayother = FALSE;
542 first.useColors = second.useColors = TRUE;
543 first.useUsermove = second.useUsermove = FALSE;
544 first.sendICS = second.sendICS = FALSE;
545 first.sendName = second.sendName = appData.icsActive;
546 first.sdKludge = second.sdKludge = FALSE;
547 first.stKludge = second.stKludge = FALSE;
548 TidyProgramName(first.program, first.host, first.tidy);
549 TidyProgramName(second.program, second.host, second.tidy);
550 first.matchWins = second.matchWins = 0;
551 strcpy(first.variants, appData.variant);
552 strcpy(second.variants, appData.variant);
553 first.analysisSupport = second.analysisSupport = 2; /* detect */
554 first.analyzing = second.analyzing = FALSE;
555 first.initDone = second.initDone = FALSE;
557 if (appData.firstProtocolVersion > PROTOVER ||
558 appData.firstProtocolVersion < 1) {
560 sprintf(buf, _("protocol version %d not supported"),
561 appData.firstProtocolVersion);
562 DisplayFatalError(buf, 0, 2);
564 first.protocolVersion = appData.firstProtocolVersion;
567 if (appData.secondProtocolVersion > PROTOVER ||
568 appData.secondProtocolVersion < 1) {
570 sprintf(buf, _("protocol version %d not supported"),
571 appData.secondProtocolVersion);
572 DisplayFatalError(buf, 0, 2);
574 second.protocolVersion = appData.secondProtocolVersion;
577 if (appData.icsActive) {
578 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
579 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
580 appData.clockMode = FALSE;
581 first.sendTime = second.sendTime = 0;
585 /* Override some settings from environment variables, for backward
586 compatibility. Unfortunately it's not feasible to have the env
587 vars just set defaults, at least in xboard. Ugh.
589 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
594 if (appData.noChessProgram) {
595 programVersion = (char*) malloc(5 + strlen(PRODUCT) + strlen(VERSION)
596 + strlen(PATCHLEVEL));
597 sprintf(programVersion, "%s %s.%s", PRODUCT, VERSION, PATCHLEVEL);
601 while (*q != ' ' && *q != NULLCHAR) q++;
603 while (p > first.program && *(p-1) != '/') p--;
604 programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)
605 + strlen(PATCHLEVEL) + (q - p));
606 sprintf(programVersion, "%s %s.%s + ", PRODUCT, VERSION, PATCHLEVEL);
607 strncat(programVersion, p, q - p);
610 if (!appData.icsActive) {
612 /* Check for variants that are supported only in ICS mode,
613 or not at all. Some that are accepted here nevertheless
614 have bugs; see comments below.
616 VariantClass variant = StringToVariant(appData.variant);
618 case VariantBughouse: /* need four players and two boards */
619 case VariantKriegspiel: /* need to hide pieces and move details */
620 case VariantFischeRandom: /* castling doesn't work, shuffle not done */
621 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
622 DisplayFatalError(buf, 0, 2);
626 case VariantLoadable:
636 sprintf(buf, _("Unknown variant name %s"), appData.variant);
637 DisplayFatalError(buf, 0, 2);
640 case VariantNormal: /* definitely works! */
641 case VariantWildCastle: /* pieces not automatically shuffled */
642 case VariantNoCastle: /* pieces not automatically shuffled */
643 case VariantCrazyhouse: /* holdings not shown,
644 offboard interposition not understood */
645 case VariantLosers: /* should work except for win condition,
646 and doesn't know captures are mandatory */
647 case VariantSuicide: /* should work except for win condition,
648 and doesn't know captures are mandatory */
649 case VariantGiveaway: /* should work except for win condition,
650 and doesn't know captures are mandatory */
651 case VariantTwoKings: /* should work */
652 case VariantAtomic: /* should work except for win condition */
653 case Variant3Check: /* should work except for win condition */
654 case VariantShatranj: /* might work if TestLegality is off */
661 ParseTimeControl(tc, ti, mps)
666 int matched, min, sec;
668 matched = sscanf(tc, "%d:%d", &min, &sec);
670 timeControl = min * 60 * 1000;
671 } else if (matched == 2) {
672 timeControl = (min * 60 + sec) * 1000;
678 timeIncrement = ti * 1000; /* convert to ms */
682 movesPerSession = mps;
690 if (appData.debugMode) {
691 fprintf(debugFP, "%s\n", programVersion);
694 if (appData.matchGames > 0) {
695 appData.matchMode = TRUE;
696 } else if (appData.matchMode) {
697 appData.matchGames = 1;
700 if (appData.noChessProgram || first.protocolVersion == 1) {
703 /* kludge: allow timeout for initial "feature" commands */
705 DisplayMessage("", "Starting chess program");
706 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
711 InitBackEnd3 P((void))
713 GameMode initialMode;
717 InitChessProgram(&first);
720 /* Make a console window if needed */
721 if (appData.icsActive) ConsoleCreate();
724 if (appData.icsActive) {
727 if (*appData.icsCommPort != NULLCHAR) {
728 sprintf(buf, _("Could not open comm port %s"),
729 appData.icsCommPort);
731 sprintf(buf, _("Could not connect to host %s, port %s"),
732 appData.icsHost, appData.icsPort);
734 DisplayFatalError(buf, err, 1);
739 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
741 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
742 } else if (appData.noChessProgram) {
748 if (*appData.cmailGameName != NULLCHAR) {
750 OpenLoopback(&cmailPR);
752 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
756 DisplayMessage("", "");
757 if (StrCaseCmp(appData.initialMode, "") == 0) {
758 initialMode = BeginningOfGame;
759 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
760 initialMode = TwoMachinesPlay;
761 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
762 initialMode = AnalyzeFile;
763 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
764 initialMode = AnalyzeMode;
765 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
766 initialMode = MachinePlaysWhite;
767 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
768 initialMode = MachinePlaysBlack;
769 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
770 initialMode = EditGame;
771 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
772 initialMode = EditPosition;
773 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
774 initialMode = Training;
776 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
777 DisplayFatalError(buf, 0, 2);
781 if (appData.matchMode) {
782 /* Set up machine vs. machine match */
783 if (appData.noChessProgram) {
784 DisplayFatalError(_("Can't have a match with no chess programs"),
790 if (*appData.loadGameFile != NULLCHAR) {
791 if (!LoadGameFromFile(appData.loadGameFile,
792 appData.loadGameIndex,
793 appData.loadGameFile, FALSE)) {
794 DisplayFatalError(_("Bad game file"), 0, 1);
797 } else if (*appData.loadPositionFile != NULLCHAR) {
798 if (!LoadPositionFromFile(appData.loadPositionFile,
799 appData.loadPositionIndex,
800 appData.loadPositionFile)) {
801 DisplayFatalError(_("Bad position file"), 0, 1);
806 } else if (*appData.cmailGameName != NULLCHAR) {
807 /* Set up cmail mode */
808 ReloadCmailMsgEvent(TRUE);
810 /* Set up other modes */
811 if (initialMode == AnalyzeFile) {
812 if (*appData.loadGameFile == NULLCHAR) {
813 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
817 if (*appData.loadGameFile != NULLCHAR) {
818 (void) LoadGameFromFile(appData.loadGameFile,
819 appData.loadGameIndex,
820 appData.loadGameFile, TRUE);
821 } else if (*appData.loadPositionFile != NULLCHAR) {
822 (void) LoadPositionFromFile(appData.loadPositionFile,
823 appData.loadPositionIndex,
824 appData.loadPositionFile);
826 if (initialMode == AnalyzeMode) {
827 if (appData.noChessProgram) {
828 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
831 if (appData.icsActive) {
832 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
836 } else if (initialMode == AnalyzeFile) {
837 ShowThinkingEvent(TRUE);
839 AnalysisPeriodicEvent(1);
840 } else if (initialMode == MachinePlaysWhite) {
841 if (appData.noChessProgram) {
842 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
846 if (appData.icsActive) {
847 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
852 } else if (initialMode == MachinePlaysBlack) {
853 if (appData.noChessProgram) {
854 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
858 if (appData.icsActive) {
859 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
864 } else if (initialMode == TwoMachinesPlay) {
865 if (appData.noChessProgram) {
866 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
870 if (appData.icsActive) {
871 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
876 } else if (initialMode == EditGame) {
878 } else if (initialMode == EditPosition) {
880 } else if (initialMode == Training) {
881 if (*appData.loadGameFile == NULLCHAR) {
882 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
891 * Establish will establish a contact to a remote host.port.
892 * Sets icsPR to a ProcRef for a process (or pseudo-process)
893 * used to talk to the host.
894 * Returns 0 if okay, error code if not.
901 if (*appData.icsCommPort != NULLCHAR) {
902 /* Talk to the host through a serial comm port */
903 return OpenCommPort(appData.icsCommPort, &icsPR);
905 } else if (*appData.gateway != NULLCHAR) {
906 if (*appData.remoteShell == NULLCHAR) {
907 /* Use the rcmd protocol to run telnet program on a gateway host */
908 sprintf(buf, "%s %s %s",
909 appData.telnetProgram, appData.icsHost, appData.icsPort);
910 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
913 /* Use the rsh program to run telnet program on a gateway host */
914 if (*appData.remoteUser == NULLCHAR) {
915 sprintf(buf, "%s %s %s %s %s", appData.remoteShell,
916 appData.gateway, appData.telnetProgram,
917 appData.icsHost, appData.icsPort);
919 sprintf(buf, "%s %s -l %s %s %s %s",
920 appData.remoteShell, appData.gateway,
921 appData.remoteUser, appData.telnetProgram,
922 appData.icsHost, appData.icsPort);
924 return StartChildProcess(buf, "", &icsPR);
927 } else if (appData.useTelnet) {
928 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
931 /* TCP socket interface differs somewhat between
932 Unix and NT; handle details in the front end.
934 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
939 show_bytes(fp, buf, count)
945 if (*buf < 040 || *(unsigned char *) buf > 0177) {
946 fprintf(fp, "\\%03o", *buf & 0xff);
955 /* Returns an errno value */
957 OutputMaybeTelnet(pr, message, count, outError)
963 char buf[8192], *p, *q, *buflim;
964 int left, newcount, outcount;
966 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
967 *appData.gateway != NULLCHAR) {
968 if (appData.debugMode) {
969 fprintf(debugFP, ">ICS: ");
970 show_bytes(debugFP, message, count);
971 fprintf(debugFP, "\n");
973 return OutputToProcess(pr, message, count, outError);
976 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
983 if (appData.debugMode) {
984 fprintf(debugFP, ">ICS: ");
985 show_bytes(debugFP, buf, newcount);
986 fprintf(debugFP, "\n");
988 outcount = OutputToProcess(pr, buf, newcount, outError);
989 if (outcount < newcount) return -1; /* to be sure */
996 } else if (((unsigned char) *p) == TN_IAC) {
997 *q++ = (char) TN_IAC;
1004 if (appData.debugMode) {
1005 fprintf(debugFP, ">ICS: ");
1006 show_bytes(debugFP, buf, newcount);
1007 fprintf(debugFP, "\n");
1009 outcount = OutputToProcess(pr, buf, newcount, outError);
1010 if (outcount < newcount) return -1; /* to be sure */
1015 read_from_player(isr, closure, message, count, error)
1022 int outError, outCount;
1023 static int gotEof = 0;
1025 /* Pass data read from player on to ICS */
1028 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1029 if (outCount < count) {
1030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1032 } else if (count < 0) {
1033 RemoveInputSource(isr);
1034 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1035 } else if (gotEof++ > 0) {
1036 RemoveInputSource(isr);
1037 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1045 int count, outCount, outError;
1047 if (icsPR == NULL) return;
1050 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1051 if (outCount < count) {
1052 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1056 /* This is used for sending logon scripts to the ICS. Sending
1057 without a delay causes problems when using timestamp on ICC
1058 (at least on my machine). */
1060 SendToICSDelayed(s,msdelay)
1064 int count, outCount, outError;
1066 if (icsPR == NULL) return;
1069 if (appData.debugMode) {
1070 fprintf(debugFP, ">ICS: ");
1071 show_bytes(debugFP, s, count);
1072 fprintf(debugFP, "\n");
1074 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1076 if (outCount < count) {
1077 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1082 /* Remove all highlighting escape sequences in s
1083 Also deletes any suffix starting with '('
1086 StripHighlightAndTitle(s)
1089 static char retbuf[MSG_SIZ];
1092 while (*s != NULLCHAR) {
1093 while (*s == '\033') {
1094 while (*s != NULLCHAR && !isalpha(*s)) s++;
1095 if (*s != NULLCHAR) s++;
1097 while (*s != NULLCHAR && *s != '\033') {
1098 if (*s == '(' || *s == '[') {
1109 /* Remove all highlighting escape sequences in s */
1114 static char retbuf[MSG_SIZ];
1117 while (*s != NULLCHAR) {
1118 while (*s == '\033') {
1119 while (*s != NULLCHAR && !isalpha(*s)) s++;
1120 if (*s != NULLCHAR) s++;
1122 while (*s != NULLCHAR && *s != '\033') {
1130 char *variantNames[] = VARIANT_NAMES;
1135 return variantNames[v];
1139 /* Identify a variant from the strings the chess servers use or the
1140 PGN Variant tag names we use. */
1147 VariantClass v = VariantNormal;
1148 int i, found = FALSE;
1153 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1154 if (StrCaseStr(e, variantNames[i])) {
1155 v = (VariantClass) i;
1162 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1163 || StrCaseStr(e, "wild/fr")) {
1164 v = VariantFischeRandom;
1165 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1166 (i = 1, p = StrCaseStr(e, "w"))) {
1168 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1175 case 0: /* FICS only, actually */
1177 /* Castling legal even if K starts on d-file */
1178 v = VariantWildCastle;
1183 /* Castling illegal even if K & R happen to start in
1184 normal positions. */
1185 v = VariantNoCastle;
1198 /* Castling legal iff K & R start in normal positions */
1204 /* Special wilds for position setup; unclear what to do here */
1205 v = VariantLoadable;
1208 /* Bizarre ICC game */
1209 v = VariantTwoKings;
1212 v = VariantKriegspiel;
1218 v = VariantFischeRandom;
1221 v = VariantCrazyhouse;
1224 v = VariantBughouse;
1230 /* Not quite the same as FICS suicide! */
1231 v = VariantGiveaway;
1237 v = VariantShatranj;
1240 /* Temporary names for future ICC types. The name *will* change in
1241 the next xboard/WinBoard release after ICC defines it. */
1268 /* Found "wild" or "w" in the string but no number;
1269 must assume it's normal chess. */
1273 sprintf(buf, "Unknown wild type %d", wnum);
1274 DisplayError(buf, 0);
1280 if (appData.debugMode) {
1281 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1282 e, wnum, VariantName(v));
1287 static int leftover_start = 0, leftover_len = 0;
1288 char star_match[STAR_MATCH_N][MSG_SIZ];
1290 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1291 advance *index beyond it, and set leftover_start to the new value of
1292 *index; else return FALSE. If pattern contains the character '*', it
1293 matches any sequence of characters not containing '\r', '\n', or the
1294 character following the '*' (if any), and the matched sequence(s) are
1295 copied into star_match.
1298 looking_at(buf, index, pattern)
1303 char *bufp = &buf[*index], *patternp = pattern;
1305 char *matchp = star_match[0];
1308 if (*patternp == NULLCHAR) {
1309 *index = leftover_start = bufp - buf;
1313 if (*bufp == NULLCHAR) return FALSE;
1314 if (*patternp == '*') {
1315 if (*bufp == *(patternp + 1)) {
1317 matchp = star_match[++star_count];
1321 } else if (*bufp == '\n' || *bufp == '\r') {
1323 if (*patternp == NULLCHAR)
1328 *matchp++ = *bufp++;
1332 if (*patternp != *bufp) return FALSE;
1339 SendToPlayer(data, length)
1343 int error, outCount;
1344 outCount = OutputToProcess(NoProc, data, length, &error);
1345 if (outCount < length) {
1346 DisplayFatalError(_("Error writing to display"), error, 1);
1351 PackHolding(packed, holding)
1363 switch (runlength) {
1374 sprintf(q, "%d", runlength);
1386 /* Telnet protocol requests from the front end */
1388 TelnetRequest(ddww, option)
1389 unsigned char ddww, option;
1391 unsigned char msg[3];
1392 int outCount, outError;
1394 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1396 if (appData.debugMode) {
1397 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1413 sprintf(buf1, "%d", ddww);
1422 sprintf(buf2, "%d", option);
1425 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1430 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1432 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1439 if (!appData.icsActive) return;
1440 TelnetRequest(TN_DO, TN_ECHO);
1446 if (!appData.icsActive) return;
1447 TelnetRequest(TN_DONT, TN_ECHO);
1450 static int loggedOn = FALSE;
1452 /*-- Game start info cache: --*/
1454 char gs_kind[MSG_SIZ];
1455 static char player1Name[128] = "";
1456 static char player2Name[128] = "";
1457 static int player1Rating = -1;
1458 static int player2Rating = -1;
1459 /*----------------------------*/
1462 read_from_ics(isr, closure, data, count, error)
1469 #define BUF_SIZE 8192
1470 #define STARTED_NONE 0
1471 #define STARTED_MOVES 1
1472 #define STARTED_BOARD 2
1473 #define STARTED_OBSERVE 3
1474 #define STARTED_HOLDINGS 4
1475 #define STARTED_CHATTER 5
1476 #define STARTED_COMMENT 6
1477 #define STARTED_MOVES_NOHIDE 7
1479 static int started = STARTED_NONE;
1480 static char parse[20000];
1481 static int parse_pos = 0;
1482 static char buf[BUF_SIZE + 1];
1483 static int firstTime = TRUE, intfSet = FALSE;
1484 static ColorClass curColor = ColorNormal;
1485 static ColorClass prevColor = ColorNormal;
1486 static int savingComment = FALSE;
1495 if (appData.debugMode) {
1497 fprintf(debugFP, "<ICS: ");
1498 show_bytes(debugFP, data, count);
1499 fprintf(debugFP, "\n");
1504 /* If last read ended with a partial line that we couldn't parse,
1505 prepend it to the new read and try again. */
1506 if (leftover_len > 0) {
1507 for (i=0; i<leftover_len; i++)
1508 buf[i] = buf[leftover_start + i];
1511 /* Copy in new characters, removing nulls and \r's */
1512 buf_len = leftover_len;
1513 for (i = 0; i < count; i++) {
1514 if (data[i] != NULLCHAR && data[i] != '\r')
1515 buf[buf_len++] = data[i];
1518 buf[buf_len] = NULLCHAR;
1519 next_out = leftover_len;
1523 while (i < buf_len) {
1524 /* Deal with part of the TELNET option negotiation
1525 protocol. We refuse to do anything beyond the
1526 defaults, except that we allow the WILL ECHO option,
1527 which ICS uses to turn off password echoing when we are
1528 directly connected to it. We reject this option
1529 if localLineEditing mode is on (always on in xboard)
1530 and we are talking to port 23, which might be a real
1531 telnet server that will try to keep WILL ECHO on permanently.
1533 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
1534 static int remoteEchoOption = FALSE; /* telnet ECHO option */
1535 unsigned char option;
1537 switch ((unsigned char) buf[++i]) {
1539 if (appData.debugMode)
1540 fprintf(debugFP, "\n<WILL ");
1541 switch (option = (unsigned char) buf[++i]) {
1543 if (appData.debugMode)
1544 fprintf(debugFP, "ECHO ");
1545 /* Reply only if this is a change, according
1546 to the protocol rules. */
1547 if (remoteEchoOption) break;
1548 if (appData.localLineEditing &&
1549 atoi(appData.icsPort) == TN_PORT) {
1550 TelnetRequest(TN_DONT, TN_ECHO);
1553 TelnetRequest(TN_DO, TN_ECHO);
1554 remoteEchoOption = TRUE;
1558 if (appData.debugMode)
1559 fprintf(debugFP, "%d ", option);
1560 /* Whatever this is, we don't want it. */
1561 TelnetRequest(TN_DONT, option);
1566 if (appData.debugMode)
1567 fprintf(debugFP, "\n<WONT ");
1568 switch (option = (unsigned char) buf[++i]) {
1570 if (appData.debugMode)
1571 fprintf(debugFP, "ECHO ");
1572 /* Reply only if this is a change, according
1573 to the protocol rules. */
1574 if (!remoteEchoOption) break;
1576 TelnetRequest(TN_DONT, TN_ECHO);
1577 remoteEchoOption = FALSE;
1580 if (appData.debugMode)
1581 fprintf(debugFP, "%d ", (unsigned char) option);
1582 /* Whatever this is, it must already be turned
1583 off, because we never agree to turn on
1584 anything non-default, so according to the
1585 protocol rules, we don't reply. */
1590 if (appData.debugMode)
1591 fprintf(debugFP, "\n<DO ");
1592 switch (option = (unsigned char) buf[++i]) {
1594 /* Whatever this is, we refuse to do it. */
1595 if (appData.debugMode)
1596 fprintf(debugFP, "%d ", option);
1597 TelnetRequest(TN_WONT, option);
1602 if (appData.debugMode)
1603 fprintf(debugFP, "\n<DONT ");
1604 switch (option = (unsigned char) buf[++i]) {
1606 if (appData.debugMode)
1607 fprintf(debugFP, "%d ", option);
1608 /* Whatever this is, we are already not doing
1609 it, because we never agree to do anything
1610 non-default, so according to the protocol
1611 rules, we don't reply. */
1616 if (appData.debugMode)
1617 fprintf(debugFP, "\n<IAC ");
1618 /* Doubled IAC; pass it through */
1622 if (appData.debugMode)
1623 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
1624 /* Drop all other telnet commands on the floor */
1627 if (oldi > next_out)
1628 SendToPlayer(&buf[next_out], oldi - next_out);
1634 /* OK, this at least will *usually* work */
1635 if (!loggedOn && looking_at(buf, &i, "ics%")) {
1639 if (loggedOn && !intfSet) {
1640 if (ics_type == ICS_ICC) {
1642 "/set-quietly interface %s\n/set-quietly style 12\n",
1645 } else if (ics_type == ICS_CHESSNET) {
1646 sprintf(str, "/style 12\n");
1648 strcpy(str, "alias $ @\n$set interface ");
1649 strcat(str, programVersion);
1650 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
1652 strcat(str, "$iset nohighlight 1\n");
1654 strcat(str, "$iset lock 1\n$style 12\n");
1660 if (started == STARTED_COMMENT) {
1661 /* Accumulate characters in comment */
1662 parse[parse_pos++] = buf[i];
1663 if (buf[i] == '\n') {
1664 parse[parse_pos] = NULLCHAR;
1665 AppendComment(forwardMostMove, StripHighlight(parse));
1666 started = STARTED_NONE;
1668 /* Don't match patterns against characters in chatter */
1673 if (started == STARTED_CHATTER) {
1674 if (buf[i] != '\n') {
1675 /* Don't match patterns against characters in chatter */
1679 started = STARTED_NONE;
1682 /* Kludge to deal with rcmd protocol */
1683 if (firstTime && looking_at(buf, &i, "\001*")) {
1684 DisplayFatalError(&buf[1], 0, 1);
1690 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
1693 if (appData.debugMode)
1694 fprintf(debugFP, "ics_type %d\n", ics_type);
1697 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
1698 ics_type = ICS_FICS;
1700 if (appData.debugMode)
1701 fprintf(debugFP, "ics_type %d\n", ics_type);
1704 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
1705 ics_type = ICS_CHESSNET;
1707 if (appData.debugMode)
1708 fprintf(debugFP, "ics_type %d\n", ics_type);
1713 (looking_at(buf, &i, "\"*\" is *a registered name") ||
1714 looking_at(buf, &i, "Logging you in as \"*\"") ||
1715 looking_at(buf, &i, "will be \"*\""))) {
1716 strcpy(ics_handle, star_match[0]);
1720 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
1722 sprintf(buf, "%s@%s", ics_handle, appData.icsHost);
1723 DisplayIcsInteractionTitle(buf);
1724 have_set_title = TRUE;
1727 /* skip finger notes */
1728 if (started == STARTED_NONE &&
1729 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
1730 (buf[i] == '1' && buf[i+1] == '0')) &&
1731 buf[i+2] == ':' && buf[i+3] == ' ') {
1732 started = STARTED_CHATTER;
1737 /* skip formula vars */
1738 if (started == STARTED_NONE &&
1739 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
1740 started = STARTED_CHATTER;
1746 if (appData.zippyTalk || appData.zippyPlay) {
1747 /* Backup address for color zippy lines */
1751 if (loggedOn == TRUE)
1752 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
1753 (appData.zippyPlay && ZippyMatch(buf, &backup)));
1755 if (ZippyControl(buf, &i) ||
1756 ZippyConverse(buf, &i) ||
1757 (appData.zippyPlay && ZippyMatch(buf, &i))) {
1759 if (!appData.colorize) continue;
1764 if (/* Don't color "message" or "messages" output */
1765 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
1766 looking_at(buf, &i, "*. * at *:*: ") ||
1767 looking_at(buf, &i, "--* (*:*): ") ||
1768 /* Regular tells and says */
1769 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
1770 looking_at(buf, &i, "* (your partner) tells you: ") ||
1771 looking_at(buf, &i, "* says: ") ||
1772 /* Message notifications (same color as tells) */
1773 looking_at(buf, &i, "* has left a message ") ||
1774 looking_at(buf, &i, "* just sent you a message:\n") ||
1775 /* Whispers and kibitzes */
1776 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
1777 looking_at(buf, &i, "* kibitzes: ") ||
1779 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
1781 if (tkind == 1 && strchr(star_match[0], ':')) {
1782 /* Avoid "tells you:" spoofs in channels */
1785 if (star_match[0][0] == NULLCHAR ||
1786 strchr(star_match[0], ' ') ||
1787 (tkind == 3 && strchr(star_match[1], ' '))) {
1788 /* Reject bogus matches */
1791 if (appData.colorize) {
1792 if (oldi > next_out) {
1793 SendToPlayer(&buf[next_out], oldi - next_out);
1798 Colorize(ColorTell, FALSE);
1799 curColor = ColorTell;
1802 Colorize(ColorKibitz, FALSE);
1803 curColor = ColorKibitz;
1806 p = strrchr(star_match[1], '(');
1813 Colorize(ColorChannel1, FALSE);
1814 curColor = ColorChannel1;
1816 Colorize(ColorChannel, FALSE);
1817 curColor = ColorChannel;
1821 curColor = ColorNormal;
1825 if (started == STARTED_NONE && appData.autoComment &&
1826 (gameMode == IcsObserving ||
1827 gameMode == IcsPlayingWhite ||
1828 gameMode == IcsPlayingBlack)) {
1829 parse_pos = i - oldi;
1830 memcpy(parse, &buf[oldi], parse_pos);
1831 parse[parse_pos] = NULLCHAR;
1832 started = STARTED_COMMENT;
1833 savingComment = TRUE;
1835 started = STARTED_CHATTER;
1836 savingComment = FALSE;
1843 if (looking_at(buf, &i, "* s-shouts: ") ||
1844 looking_at(buf, &i, "* c-shouts: ")) {
1845 if (appData.colorize) {
1846 if (oldi > next_out) {
1847 SendToPlayer(&buf[next_out], oldi - next_out);
1850 Colorize(ColorSShout, FALSE);
1851 curColor = ColorSShout;
1854 started = STARTED_CHATTER;
1858 if (looking_at(buf, &i, "--->")) {
1863 if (looking_at(buf, &i, "* shouts: ") ||
1864 looking_at(buf, &i, "--> ")) {
1865 if (appData.colorize) {
1866 if (oldi > next_out) {
1867 SendToPlayer(&buf[next_out], oldi - next_out);
1870 Colorize(ColorShout, FALSE);
1871 curColor = ColorShout;
1874 started = STARTED_CHATTER;
1878 if (looking_at( buf, &i, "Challenge:")) {
1879 if (appData.colorize) {
1880 if (oldi > next_out) {
1881 SendToPlayer(&buf[next_out], oldi - next_out);
1884 Colorize(ColorChallenge, FALSE);
1885 curColor = ColorChallenge;
1891 if (looking_at(buf, &i, "* offers you") ||
1892 looking_at(buf, &i, "* offers to be") ||
1893 looking_at(buf, &i, "* would like to") ||
1894 looking_at(buf, &i, "* requests to") ||
1895 looking_at(buf, &i, "Your opponent offers") ||
1896 looking_at(buf, &i, "Your opponent requests")) {
1898 if (appData.colorize) {
1899 if (oldi > next_out) {
1900 SendToPlayer(&buf[next_out], oldi - next_out);
1903 Colorize(ColorRequest, FALSE);
1904 curColor = ColorRequest;
1909 if (looking_at(buf, &i, "* (*) seeking")) {
1910 if (appData.colorize) {
1911 if (oldi > next_out) {
1912 SendToPlayer(&buf[next_out], oldi - next_out);
1915 Colorize(ColorSeek, FALSE);
1916 curColor = ColorSeek;
1921 if (looking_at(buf, &i, "\\ ")) {
1922 if (prevColor != ColorNormal) {
1923 if (oldi > next_out) {
1924 SendToPlayer(&buf[next_out], oldi - next_out);
1927 Colorize(prevColor, TRUE);
1928 curColor = prevColor;
1930 if (savingComment) {
1931 parse_pos = i - oldi;
1932 memcpy(parse, &buf[oldi], parse_pos);
1933 parse[parse_pos] = NULLCHAR;
1934 started = STARTED_COMMENT;
1936 started = STARTED_CHATTER;
1941 if (looking_at(buf, &i, "Black Strength :") ||
1942 looking_at(buf, &i, "<<< style 10 board >>>") ||
1943 looking_at(buf, &i, "<10>") ||
1944 looking_at(buf, &i, "#@#")) {
1945 /* Wrong board style */
1947 SendToICS(ics_prefix);
1948 SendToICS("set style 12\n");
1949 SendToICS(ics_prefix);
1950 SendToICS("refresh\n");
1954 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
1956 have_sent_ICS_logon = 1;
1960 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
1961 (looking_at(buf, &i, "\n<12> ") ||
1962 looking_at(buf, &i, "<12> "))) {
1964 if (oldi > next_out) {
1965 SendToPlayer(&buf[next_out], oldi - next_out);
1968 started = STARTED_BOARD;
1973 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
1974 looking_at(buf, &i, "<b1> ")) {
1975 if (oldi > next_out) {
1976 SendToPlayer(&buf[next_out], oldi - next_out);
1979 started = STARTED_HOLDINGS;
1984 if (looking_at(buf, &i, "* *vs. * *--- *")) {
1986 /* Header for a move list -- first line */
1988 switch (ics_getting_history) {
1992 case BeginningOfGame:
1993 /* User typed "moves" or "oldmoves" while we
1994 were idle. Pretend we asked for these
1995 moves and soak them up so user can step
1996 through them and/or save them.
1999 gameMode = IcsObserving;
2002 ics_getting_history = H_GOT_UNREQ_HEADER;
2004 case EditGame: /*?*/
2005 case EditPosition: /*?*/
2006 /* Should above feature work in these modes too? */
2007 /* For now it doesn't */
2008 ics_getting_history = H_GOT_UNWANTED_HEADER;
2011 ics_getting_history = H_GOT_UNWANTED_HEADER;
2016 /* Is this the right one? */
2017 if (gameInfo.white && gameInfo.black &&
2018 strcmp(gameInfo.white, star_match[0]) == 0 &&
2019 strcmp(gameInfo.black, star_match[2]) == 0) {
2021 ics_getting_history = H_GOT_REQ_HEADER;
2024 case H_GOT_REQ_HEADER:
2025 case H_GOT_UNREQ_HEADER:
2026 case H_GOT_UNWANTED_HEADER:
2027 case H_GETTING_MOVES:
2028 /* Should not happen */
2029 DisplayError(_("Error gathering move list: two headers"), 0);
2030 ics_getting_history = H_FALSE;
2034 /* Save player ratings into gameInfo if needed */
2035 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2036 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2037 (gameInfo.whiteRating == -1 ||
2038 gameInfo.blackRating == -1)) {
2040 gameInfo.whiteRating = string_to_rating(star_match[1]);
2041 gameInfo.blackRating = string_to_rating(star_match[3]);
2042 if (appData.debugMode)
2043 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2044 gameInfo.whiteRating, gameInfo.blackRating);
2049 if (looking_at(buf, &i,
2050 "* * match, initial time: * minute*, increment: * second")) {
2051 /* Header for a move list -- second line */
2052 /* Initial board will follow if this is a wild game */
2054 if (gameInfo.event != NULL) free(gameInfo.event);
2055 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2056 gameInfo.event = StrSave(str);
2057 gameInfo.variant = StringToVariant(gameInfo.event);
2061 if (looking_at(buf, &i, "Move ")) {
2062 /* Beginning of a move list */
2063 switch (ics_getting_history) {
2065 /* Normally should not happen */
2066 /* Maybe user hit reset while we were parsing */
2069 /* Happens if we are ignoring a move list that is not
2070 * the one we just requested. Common if the user
2071 * tries to observe two games without turning off
2074 case H_GETTING_MOVES:
2075 /* Should not happen */
2076 DisplayError(_("Error gathering move list: nested"), 0);
2077 ics_getting_history = H_FALSE;
2079 case H_GOT_REQ_HEADER:
2080 ics_getting_history = H_GETTING_MOVES;
2081 started = STARTED_MOVES;
2083 if (oldi > next_out) {
2084 SendToPlayer(&buf[next_out], oldi - next_out);
2087 case H_GOT_UNREQ_HEADER:
2088 ics_getting_history = H_GETTING_MOVES;
2089 started = STARTED_MOVES_NOHIDE;
2092 case H_GOT_UNWANTED_HEADER:
2093 ics_getting_history = H_FALSE;
2099 if (looking_at(buf, &i, "% ") ||
2100 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2101 && looking_at(buf, &i, "}*"))) {
2102 savingComment = FALSE;
2105 case STARTED_MOVES_NOHIDE:
2106 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2107 parse[parse_pos + i - oldi] = NULLCHAR;
2108 ParseGameHistory(parse);
2110 if (appData.zippyPlay && first.initDone) {
2111 FeedMovesToProgram(&first, forwardMostMove);
2112 if (gameMode == IcsPlayingWhite) {
2113 if (WhiteOnMove(forwardMostMove)) {
2114 if (first.sendTime) {
2115 if (first.useColors) {
2116 SendToProgram("black\n", &first);
2118 SendTimeRemaining(&first, TRUE);
2120 if (first.useColors) {
2121 SendToProgram("white\ngo\n", &first);
2123 SendToProgram("go\n", &first);
2125 first.maybeThinking = TRUE;
2127 if (first.usePlayother) {
2128 if (first.sendTime) {
2129 SendTimeRemaining(&first, TRUE);
2131 SendToProgram("playother\n", &first);
2137 } else if (gameMode == IcsPlayingBlack) {
2138 if (!WhiteOnMove(forwardMostMove)) {
2139 if (first.sendTime) {
2140 if (first.useColors) {
2141 SendToProgram("white\n", &first);
2143 SendTimeRemaining(&first, FALSE);
2145 if (first.useColors) {
2146 SendToProgram("black\ngo\n", &first);
2148 SendToProgram("go\n", &first);
2150 first.maybeThinking = TRUE;
2152 if (first.usePlayother) {
2153 if (first.sendTime) {
2154 SendTimeRemaining(&first, FALSE);
2156 SendToProgram("playother\n", &first);
2165 if (gameMode == IcsObserving && ics_gamenum == -1) {
2166 /* Moves came from oldmoves or moves command
2167 while we weren't doing anything else.
2169 currentMove = forwardMostMove;
2170 ClearHighlights();/*!!could figure this out*/
2171 flipView = appData.flipView;
2172 DrawPosition(FALSE, boards[currentMove]);
2173 DisplayBothClocks();
2174 sprintf(str, "%s vs. %s",
2175 gameInfo.white, gameInfo.black);
2179 /* Moves were history of an active game */
2180 if (gameInfo.resultDetails != NULL) {
2181 free(gameInfo.resultDetails);
2182 gameInfo.resultDetails = NULL;
2185 HistorySet(parseList, backwardMostMove,
2186 forwardMostMove, currentMove-1);
2187 DisplayMove(currentMove - 1);
2188 if (started == STARTED_MOVES) next_out = i;
2189 started = STARTED_NONE;
2190 ics_getting_history = H_FALSE;
2193 case STARTED_OBSERVE:
2194 started = STARTED_NONE;
2195 SendToICS(ics_prefix);
2196 SendToICS("refresh\n");
2205 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2206 started == STARTED_HOLDINGS ||
2207 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2208 /* Accumulate characters in move list or board */
2209 parse[parse_pos++] = buf[i];
2212 /* Start of game messages. Mostly we detect start of game
2213 when the first board image arrives. On some versions
2214 of the ICS, though, we need to do a "refresh" after starting
2215 to observe in order to get the current board right away. */
2216 if (looking_at(buf, &i, "Adding game * to observation list")) {
2217 started = STARTED_OBSERVE;
2221 /* Handle auto-observe */
2222 if (appData.autoObserve &&
2223 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2224 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2226 /* Choose the player that was highlighted, if any. */
2227 if (star_match[0][0] == '\033' ||
2228 star_match[1][0] != '\033') {
2229 player = star_match[0];
2231 player = star_match[2];
2233 sprintf(str, "%sobserve %s\n",
2234 ics_prefix, StripHighlightAndTitle(player));
2237 /* Save ratings from notify string */
2238 strcpy(player1Name, star_match[0]);
2239 player1Rating = string_to_rating(star_match[1]);
2240 strcpy(player2Name, star_match[2]);
2241 player2Rating = string_to_rating(star_match[3]);
2243 if (appData.debugMode)
2245 "Ratings from 'Game notification:' %s %d, %s %d\n",
2246 player1Name, player1Rating,
2247 player2Name, player2Rating);
2252 /* Deal with automatic examine mode after a game,
2253 and with IcsObserving -> IcsExamining transition */
2254 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2255 looking_at(buf, &i, "has made you an examiner of game *")) {
2257 int gamenum = atoi(star_match[0]);
2258 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2259 gamenum == ics_gamenum) {
2260 /* We were already playing or observing this game;
2261 no need to refetch history */
2262 gameMode = IcsExamining;
2264 pauseExamForwardMostMove = forwardMostMove;
2265 } else if (currentMove < forwardMostMove) {
2266 ForwardInner(forwardMostMove);
2269 /* I don't think this case really can happen */
2270 SendToICS(ics_prefix);
2271 SendToICS("refresh\n");
2276 /* Error messages */
2277 if (ics_user_moved) {
2278 if (looking_at(buf, &i, "Illegal move") ||
2279 looking_at(buf, &i, "Not a legal move") ||
2280 looking_at(buf, &i, "Your king is in check") ||
2281 looking_at(buf, &i, "It isn't your turn") ||
2282 looking_at(buf, &i, "It is not your move")) {
2285 if (forwardMostMove > backwardMostMove) {
2286 currentMove = --forwardMostMove;
2287 DisplayMove(currentMove - 1); /* before DMError */
2288 DisplayMoveError("Illegal move (rejected by ICS)");
2289 DrawPosition(FALSE, boards[currentMove]);
2291 DisplayBothClocks();
2297 if (looking_at(buf, &i, "still have time") ||
2298 looking_at(buf, &i, "not out of time") ||
2299 looking_at(buf, &i, "either player is out of time") ||
2300 looking_at(buf, &i, "has timeseal; checking")) {
2301 /* We must have called his flag a little too soon */
2302 whiteFlag = blackFlag = FALSE;
2306 if (looking_at(buf, &i, "added * seconds to") ||
2307 looking_at(buf, &i, "seconds were added to")) {
2308 /* Update the clocks */
2309 SendToICS(ics_prefix);
2310 SendToICS("refresh\n");
2314 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
2315 ics_clock_paused = TRUE;
2320 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
2321 ics_clock_paused = FALSE;
2326 /* Grab player ratings from the Creating: message.
2327 Note we have to check for the special case when
2328 the ICS inserts things like [white] or [black]. */
2329 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
2330 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
2332 0 player 1 name (not necessarily white)
2334 2 empty, white, or black (IGNORED)
2335 3 player 2 name (not necessarily black)
2338 The names/ratings are sorted out when the game
2339 actually starts (below).
2341 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
2342 player1Rating = string_to_rating(star_match[1]);
2343 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
2344 player2Rating = string_to_rating(star_match[4]);
2346 if (appData.debugMode)
2348 "Ratings from 'Creating:' %s %d, %s %d\n",
2349 player1Name, player1Rating,
2350 player2Name, player2Rating);
2355 /* Improved generic start/end-of-game messages */
2356 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
2357 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
2358 /* If tkind == 0: */
2359 /* star_match[0] is the game number */
2360 /* [1] is the white player's name */
2361 /* [2] is the black player's name */
2362 /* For end-of-game: */
2363 /* [3] is the reason for the game end */
2364 /* [4] is a PGN end game-token, preceded by " " */
2365 /* For start-of-game: */
2366 /* [3] begins with "Creating" or "Continuing" */
2367 /* [4] is " *" or empty (don't care). */
2368 int gamenum = atoi(star_match[0]);
2369 char *whitename, *blackname, *why, *endtoken;
2370 ChessMove endtype = (ChessMove) 0;
2373 whitename = star_match[1];
2374 blackname = star_match[2];
2375 why = star_match[3];
2376 endtoken = star_match[4];
2378 whitename = star_match[1];
2379 blackname = star_match[3];
2380 why = star_match[5];
2381 endtoken = star_match[6];
2384 /* Game start messages */
2385 if (strncmp(why, "Creating ", 9) == 0 ||
2386 strncmp(why, "Continuing ", 11) == 0) {
2387 gs_gamenum = gamenum;
2388 strcpy(gs_kind, strchr(why, ' ') + 1);
2390 if (appData.zippyPlay) {
2391 ZippyGameStart(whitename, blackname);
2397 /* Game end messages */
2398 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
2399 ics_gamenum != gamenum) {
2402 while (endtoken[0] == ' ') endtoken++;
2403 switch (endtoken[0]) {
2406 endtype = GameUnfinished;
2409 endtype = BlackWins;
2412 if (endtoken[1] == '/')
2413 endtype = GameIsDrawn;
2415 endtype = WhiteWins;
2418 GameEnds(endtype, why, GE_ICS);
2420 if (appData.zippyPlay && first.initDone) {
2421 ZippyGameEnd(endtype, why);
2422 if (first.pr == NULL) {
2423 /* Start the next process early so that we'll
2424 be ready for the next challenge */
2425 StartChessProgram(&first);
2427 /* Send "new" early, in case this command takes
2428 a long time to finish, so that we'll be ready
2429 for the next challenge. */
2436 if (looking_at(buf, &i, "Removing game * from observation") ||
2437 looking_at(buf, &i, "no longer observing game *") ||
2438 looking_at(buf, &i, "Game * (*) has no examiners")) {
2439 if (gameMode == IcsObserving &&
2440 atoi(star_match[0]) == ics_gamenum)
2442 /* icsEngineAnalyze */
2443 if (appData.icsEngineAnalyze) {
2450 ics_user_moved = FALSE;
2455 if (looking_at(buf, &i, "no longer examining game *")) {
2456 if (gameMode == IcsExamining &&
2457 atoi(star_match[0]) == ics_gamenum)
2461 ics_user_moved = FALSE;
2466 /* Advance leftover_start past any newlines we find,
2467 so only partial lines can get reparsed */
2468 if (looking_at(buf, &i, "\n")) {
2469 prevColor = curColor;
2470 if (curColor != ColorNormal) {
2471 if (oldi > next_out) {
2472 SendToPlayer(&buf[next_out], oldi - next_out);
2475 Colorize(ColorNormal, FALSE);
2476 curColor = ColorNormal;
2478 if (started == STARTED_BOARD) {
2479 started = STARTED_NONE;
2480 parse[parse_pos] = NULLCHAR;
2481 ParseBoard12(parse);
2484 /* Send premove here */
2485 if (appData.premove) {
2487 if (currentMove == 0 &&
2488 gameMode == IcsPlayingWhite &&
2489 appData.premoveWhite) {
2490 sprintf(str, "%s%s\n", ics_prefix,
2491 appData.premoveWhiteText);
2492 if (appData.debugMode)
2493 fprintf(debugFP, "Sending premove:\n");
2495 } else if (currentMove == 1 &&
2496 gameMode == IcsPlayingBlack &&
2497 appData.premoveBlack) {
2498 sprintf(str, "%s%s\n", ics_prefix,
2499 appData.premoveBlackText);
2500 if (appData.debugMode)
2501 fprintf(debugFP, "Sending premove:\n");
2503 } else if (gotPremove) {
2505 ClearPremoveHighlights();
2506 if (appData.debugMode)
2507 fprintf(debugFP, "Sending premove:\n");
2508 UserMoveEvent(premoveFromX, premoveFromY,
2509 premoveToX, premoveToY,
2514 /* Usually suppress following prompt */
2515 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
2516 if (looking_at(buf, &i, "*% ")) {
2517 savingComment = FALSE;
2521 } else if (started == STARTED_HOLDINGS) {
2523 char new_piece[MSG_SIZ];
2524 started = STARTED_NONE;
2525 parse[parse_pos] = NULLCHAR;
2526 if (appData.debugMode)
2527 fprintf(debugFP, "Parsing holdings: %s\n", parse);
2528 if (sscanf(parse, " game %d", &gamenum) == 1 &&
2529 gamenum == ics_gamenum) {
2530 if (gameInfo.variant == VariantNormal) {
2531 gameInfo.variant = VariantCrazyhouse; /*temp guess*/
2532 /* Get a move list just to see the header, which
2533 will tell us whether this is really bug or zh */
2534 if (ics_getting_history == H_FALSE) {
2535 ics_getting_history = H_REQUESTED;
2536 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2540 new_piece[0] = NULLCHAR;
2541 sscanf(parse, "game %d white [%s black [%s <- %s",
2542 &gamenum, white_holding, black_holding,
2544 white_holding[strlen(white_holding)-1] = NULLCHAR;
2545 black_holding[strlen(black_holding)-1] = NULLCHAR;
2547 if (appData.zippyPlay && first.initDone) {
2548 ZippyHoldings(white_holding, black_holding,
2552 if (tinyLayout || smallLayout) {
2553 char wh[16], bh[16];
2554 PackHolding(wh, white_holding);
2555 PackHolding(bh, black_holding);
2556 sprintf(str, "[%s-%s] %s-%s", wh, bh,
2557 gameInfo.white, gameInfo.black);
2559 sprintf(str, "%s [%s] vs. %s [%s]",
2560 gameInfo.white, white_holding,
2561 gameInfo.black, black_holding);
2563 DrawPosition(FALSE, NULL);
2566 /* Suppress following prompt */
2567 if (looking_at(buf, &i, "*% ")) {
2568 savingComment = FALSE;
2575 i++; /* skip unparsed character and loop back */
2578 if (started != STARTED_MOVES && started != STARTED_BOARD &&
2579 started != STARTED_HOLDINGS && i > next_out) {
2580 SendToPlayer(&buf[next_out], i - next_out);
2584 leftover_len = buf_len - leftover_start;
2585 /* if buffer ends with something we couldn't parse,
2586 reparse it after appending the next read */
2588 } else if (count == 0) {
2589 RemoveInputSource(isr);
2590 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
2592 DisplayFatalError(_("Error reading from ICS"), error, 1);
2597 /* Board style 12 looks like this:
2599 <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
2601 * The "<12> " is stripped before it gets to this routine. The two
2602 * trailing 0's (flip state and clock ticking) are later addition, and
2603 * some chess servers may not have them, or may have only the first.
2604 * Additional trailing fields may be added in the future.
2607 #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"
2609 #define RELATION_OBSERVING_PLAYED 0
2610 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
2611 #define RELATION_PLAYING_MYMOVE 1
2612 #define RELATION_PLAYING_NOTMYMOVE -1
2613 #define RELATION_EXAMINING 2
2614 #define RELATION_ISOLATED_BOARD -3
2615 #define RELATION_STARTING_POSITION -4 /* FICS only */
2618 ParseBoard12(string)
2621 GameMode newGameMode;
2622 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
2623 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
2624 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
2625 char to_play, board_chars[72];
2626 char move_str[500], str[500], elapsed_time[500];
2627 char black[32], white[32];
2629 int prevMove = currentMove;
2632 int fromX, fromY, toX, toY;
2635 fromX = fromY = toX = toY = -1;
2639 if (appData.debugMode)
2640 fprintf(debugFP, _("Parsing board: %s\n"), string);
2642 move_str[0] = NULLCHAR;
2643 elapsed_time[0] = NULLCHAR;
2644 n = sscanf(string, PATTERN, board_chars, &to_play, &double_push,
2645 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
2646 &gamenum, white, black, &relation, &basetime, &increment,
2647 &white_stren, &black_stren, &white_time, &black_time,
2648 &moveNum, str, elapsed_time, move_str, &ics_flip,
2652 sprintf(str, _("Failed to parse board string:\n\"%s\""), string);
2653 DisplayError(str, 0);
2657 /* Convert the move number to internal form */
2658 moveNum = (moveNum - 1) * 2;
2659 if (to_play == 'B') moveNum++;
2660 if (moveNum >= MAX_MOVES) {
2661 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
2667 case RELATION_OBSERVING_PLAYED:
2668 case RELATION_OBSERVING_STATIC:
2669 if (gamenum == -1) {
2670 /* Old ICC buglet */
2671 relation = RELATION_OBSERVING_STATIC;
2673 newGameMode = IcsObserving;
2675 case RELATION_PLAYING_MYMOVE:
2676 case RELATION_PLAYING_NOTMYMOVE:
2678 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
2679 IcsPlayingWhite : IcsPlayingBlack;
2681 case RELATION_EXAMINING:
2682 newGameMode = IcsExamining;
2684 case RELATION_ISOLATED_BOARD:
2686 /* Just display this board. If user was doing something else,
2687 we will forget about it until the next board comes. */
2688 newGameMode = IcsIdle;
2690 case RELATION_STARTING_POSITION:
2691 newGameMode = gameMode;
2695 /* Modify behavior for initial board display on move listing
2698 switch (ics_getting_history) {
2702 case H_GOT_REQ_HEADER:
2703 case H_GOT_UNREQ_HEADER:
2704 /* This is the initial position of the current game */
2705 gamenum = ics_gamenum;
2706 moveNum = 0; /* old ICS bug workaround */
2707 if (to_play == 'B') {
2708 startedFromSetupPosition = TRUE;
2709 blackPlaysFirst = TRUE;
2711 if (forwardMostMove == 0) forwardMostMove = 1;
2712 if (backwardMostMove == 0) backwardMostMove = 1;
2713 if (currentMove == 0) currentMove = 1;
2715 newGameMode = gameMode;
2716 relation = RELATION_STARTING_POSITION; /* ICC needs this */
2718 case H_GOT_UNWANTED_HEADER:
2719 /* This is an initial board that we don't want */
2721 case H_GETTING_MOVES:
2722 /* Should not happen */
2723 DisplayError(_("Error gathering move list: extra board"), 0);
2724 ics_getting_history = H_FALSE;
2728 /* Take action if this is the first board of a new game, or of a
2729 different game than is currently being displayed. */
2730 if (gamenum != ics_gamenum || newGameMode != gameMode ||
2731 relation == RELATION_ISOLATED_BOARD) {
2733 /* Forget the old game and get the history (if any) of the new one */
2734 if (gameMode != BeginningOfGame) {
2738 if (appData.autoRaiseBoard) BoardToTop();
2740 if (gamenum == -1) {
2741 newGameMode = IcsIdle;
2742 } else if (moveNum > 0 && newGameMode != IcsIdle &&
2743 appData.getMoveList) {
2744 /* Need to get game history */
2745 ics_getting_history = H_REQUESTED;
2746 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2750 /* Initially flip the board to have black on the bottom if playing
2751 black or if the ICS flip flag is set, but let the user change
2752 it with the Flip View button. */
2753 flipView = appData.autoFlipView ?
2754 (newGameMode == IcsPlayingBlack) || ics_flip :
2757 /* Done with values from previous mode; copy in new ones */
2758 gameMode = newGameMode;
2760 ics_gamenum = gamenum;
2761 if (gamenum == gs_gamenum) {
2762 int klen = strlen(gs_kind);
2763 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
2764 sprintf(str, "ICS %s", gs_kind);
2765 gameInfo.event = StrSave(str);
2767 gameInfo.event = StrSave("ICS game");
2769 gameInfo.site = StrSave(appData.icsHost);
2770 gameInfo.date = PGNDate();
2771 gameInfo.round = StrSave("-");
2772 gameInfo.white = StrSave(white);
2773 gameInfo.black = StrSave(black);
2774 timeControl = basetime * 60 * 1000;
2775 timeIncrement = increment * 1000;
2776 movesPerSession = 0;
2777 gameInfo.timeControl = TimeControlTagValue();
2778 gameInfo.variant = StringToVariant(gameInfo.event);
2780 /* Do we have the ratings? */
2781 if (strcmp(player1Name, white) == 0 &&
2782 strcmp(player2Name, black) == 0) {
2783 if (appData.debugMode)
2784 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
2785 player1Rating, player2Rating);
2786 gameInfo.whiteRating = player1Rating;
2787 gameInfo.blackRating = player2Rating;
2788 } else if (strcmp(player2Name, white) == 0 &&
2789 strcmp(player1Name, black) == 0) {
2790 if (appData.debugMode)
2791 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
2792 player2Rating, player1Rating);
2793 gameInfo.whiteRating = player2Rating;
2794 gameInfo.blackRating = player1Rating;
2796 player1Name[0] = player2Name[0] = NULLCHAR;
2798 /* Silence shouts if requested */
2799 if (appData.quietPlay &&
2800 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
2801 SendToICS(ics_prefix);
2802 SendToICS("set shout 0\n");
2806 /* Deal with midgame name changes */
2808 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
2809 if (gameInfo.white) free(gameInfo.white);
2810 gameInfo.white = StrSave(white);
2812 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
2813 if (gameInfo.black) free(gameInfo.black);
2814 gameInfo.black = StrSave(black);
2818 /* Throw away game result if anything actually changes in examine mode */
2819 if (gameMode == IcsExamining && !newGame) {
2820 gameInfo.result = GameUnfinished;
2821 if (gameInfo.resultDetails != NULL) {
2822 free(gameInfo.resultDetails);
2823 gameInfo.resultDetails = NULL;
2827 /* In pausing && IcsExamining mode, we ignore boards coming
2828 in if they are in a different variation than we are. */
2829 if (pauseExamInvalid) return;
2830 if (pausing && gameMode == IcsExamining) {
2831 if (moveNum <= pauseExamForwardMostMove) {
2832 pauseExamInvalid = TRUE;
2833 forwardMostMove = pauseExamForwardMostMove;
2838 /* Parse the board */
2839 for (k = 0; k < 8; k++)
2840 for (j = 0; j < 8; j++)
2841 board[k][j] = CharToPiece(board_chars[(7-k)*9 + j]);
2842 CopyBoard(boards[moveNum], board);
2844 startedFromSetupPosition =
2845 !CompareBoards(board, initialPosition);
2848 if (ics_getting_history == H_GOT_REQ_HEADER ||
2849 ics_getting_history == H_GOT_UNREQ_HEADER) {
2850 /* This was an initial position from a move list, not
2851 the current position */
2855 /* Update currentMove and known move number limits */
2856 newMove = newGame || moveNum > forwardMostMove;
2858 /* If we found takebacks during icsEngineAnalyze
2859 try send to engine */
2860 if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
2861 takeback = forwardMostMove - moveNum;
2862 for (i = 0; i < takeback; i++) {
2863 if (appData.debugMode) fprintf(debugFP, "take back move\n");
2864 SendToProgram("undo\n", &first);
2868 forwardMostMove = backwardMostMove = currentMove = moveNum;
2869 if (gameMode == IcsExamining && moveNum == 0) {
2870 /* Workaround for ICS limitation: we are not told the wild
2871 type when starting to examine a game. But if we ask for
2872 the move list, the move list header will tell us */
2873 ics_getting_history = H_REQUESTED;
2874 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2877 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
2878 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
2879 forwardMostMove = moveNum;
2880 if (!pausing || currentMove > forwardMostMove)
2881 currentMove = forwardMostMove;
2883 /* New part of history that is not contiguous with old part */
2884 if (pausing && gameMode == IcsExamining) {
2885 pauseExamInvalid = TRUE;
2886 forwardMostMove = pauseExamForwardMostMove;
2889 forwardMostMove = backwardMostMove = currentMove = moveNum;
2890 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
2891 ics_getting_history = H_REQUESTED;
2892 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2897 /* Update the clocks */
2898 if (strchr(elapsed_time, '.')) {
2900 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
2901 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
2903 /* Time is in seconds */
2904 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
2905 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
2910 if (appData.zippyPlay && newGame &&
2911 gameMode != IcsObserving && gameMode != IcsIdle &&
2912 gameMode != IcsExamining)
2913 ZippyFirstBoard(moveNum, basetime, increment);
2916 /* Put the move on the move list, first converting
2917 to canonical algebraic form. */
2919 if (moveNum <= backwardMostMove) {
2920 /* We don't know what the board looked like before
2922 strcpy(parseList[moveNum - 1], move_str);
2923 strcat(parseList[moveNum - 1], " ");
2924 strcat(parseList[moveNum - 1], elapsed_time);
2925 moveList[moveNum - 1][0] = NULLCHAR;
2926 } else if (ParseOneMove(move_str, moveNum - 1, &moveType,
2927 &fromX, &fromY, &toX, &toY, &promoChar)) {
2928 (void) CoordsToAlgebraic(boards[moveNum - 1],
2929 PosFlags(moveNum - 1), EP_UNKNOWN,
2930 fromY, fromX, toY, toX, promoChar,
2931 parseList[moveNum-1]);
2932 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN)){
2938 strcat(parseList[moveNum - 1], "+");
2941 strcat(parseList[moveNum - 1], "#");
2944 strcat(parseList[moveNum - 1], " ");
2945 strcat(parseList[moveNum - 1], elapsed_time);
2946 /* currentMoveString is set as a side-effect of ParseOneMove */
2947 strcpy(moveList[moveNum - 1], currentMoveString);
2948 strcat(moveList[moveNum - 1], "\n");
2949 } else if (strcmp(move_str, "none") == 0) {
2950 /* Again, we don't know what the board looked like;
2951 this is really the start of the game. */
2952 parseList[moveNum - 1][0] = NULLCHAR;
2953 moveList[moveNum - 1][0] = NULLCHAR;
2954 backwardMostMove = moveNum;
2955 startedFromSetupPosition = TRUE;
2956 fromX = fromY = toX = toY = -1;
2958 /* Move from ICS was illegal!? Punt. */
2960 if (appData.testLegality && appData.debugMode) {
2961 sprintf(str, "Illegal move \"%s\" from ICS", move_str);
2962 DisplayError(str, 0);
2965 strcpy(parseList[moveNum - 1], move_str);
2966 strcat(parseList[moveNum - 1], " ");
2967 strcat(parseList[moveNum - 1], elapsed_time);
2968 moveList[moveNum - 1][0] = NULLCHAR;
2969 fromX = fromY = toX = toY = -1;
2973 /* Send move to chess program (BEFORE animating it). */
2974 if (appData.zippyPlay && !newGame && newMove &&
2975 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
2977 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
2978 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
2979 if (moveList[moveNum - 1][0] == NULLCHAR) {
2980 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
2982 DisplayError(str, 0);
2984 if (first.sendTime) {
2985 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
2987 SendMoveToProgram(moveNum - 1, &first);
2990 if (first.useColors) {
2991 SendToProgram(gameMode == IcsPlayingWhite ?
2993 "black\ngo\n", &first);
2995 SendToProgram("go\n", &first);
2997 first.maybeThinking = TRUE;
3000 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3001 if (moveList[moveNum - 1][0] == NULLCHAR) {
3002 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3003 DisplayError(str, 0);
3005 SendMoveToProgram(moveNum - 1, &first);
3012 if (moveNum > 0 && !gotPremove) {
3013 /* If move comes from a remote source, animate it. If it
3014 isn't remote, it will have already been animated. */
3015 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3016 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3018 if (!pausing && appData.highlightLastMove) {
3019 SetHighlights(fromX, fromY, toX, toY);
3023 /* Start the clocks */
3024 whiteFlag = blackFlag = FALSE;
3025 appData.clockMode = !(basetime == 0 && increment == 0);
3027 ics_clock_paused = TRUE;
3029 } else if (ticking == 1) {
3030 ics_clock_paused = FALSE;
3032 if (gameMode == IcsIdle ||
3033 relation == RELATION_OBSERVING_STATIC ||
3034 relation == RELATION_EXAMINING ||
3036 DisplayBothClocks();
3040 /* Display opponents and material strengths */
3041 if (gameInfo.variant != VariantBughouse &&
3042 gameInfo.variant != VariantCrazyhouse) {
3043 if (tinyLayout || smallLayout) {
3044 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3045 gameInfo.white, white_stren, gameInfo.black, black_stren,
3046 basetime, increment);
3048 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3049 gameInfo.white, white_stren, gameInfo.black, black_stren,
3050 basetime, increment);
3056 /* Display the board */
3059 if (appData.premove)
3061 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3062 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3063 ClearPremoveHighlights();
3065 DrawPosition(FALSE, boards[currentMove]);
3066 DisplayMove(moveNum - 1);
3067 if (appData.ringBellAfterMoves && !ics_user_moved)
3071 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3078 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
3079 ics_getting_history = H_REQUESTED;
3080 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
3086 AnalysisPeriodicEvent(force)
3089 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
3090 && !force) || !appData.periodicUpdates)
3093 /* Send . command to Crafty to collect stats */
3094 SendToProgram(".\n", &first);
3096 /* Don't send another until we get a response (this makes
3097 us stop sending to old Crafty's which don't understand
3098 the "." command (sending illegal cmds resets node count & time,
3099 which looks bad)) */
3100 programStats.ok_to_send = 0;
3104 SendMoveToProgram(moveNum, cps)
3106 ChessProgramState *cps;
3109 if (cps->useUsermove) {
3110 SendToProgram("usermove ", cps);
3114 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
3115 int len = space - parseList[moveNum];
3116 memcpy(buf, parseList[moveNum], len);
3118 buf[len] = NULLCHAR;
3120 sprintf(buf, "%s\n", parseList[moveNum]);
3122 SendToProgram(buf, cps);
3124 SendToProgram(moveList[moveNum], cps);
3129 SendMoveToICS(moveType, fromX, fromY, toX, toY)
3131 int fromX, fromY, toX, toY;
3133 char user_move[MSG_SIZ];
3137 sprintf(user_move, "say Internal error; bad moveType %d (%d,%d-%d,%d)",
3138 (int)moveType, fromX, fromY, toX, toY);
3139 DisplayError(user_move + strlen("say "), 0);
3141 case WhiteKingSideCastle:
3142 case BlackKingSideCastle:
3143 case WhiteQueenSideCastleWild:
3144 case BlackQueenSideCastleWild:
3145 sprintf(user_move, "o-o\n");
3147 case WhiteQueenSideCastle:
3148 case BlackQueenSideCastle:
3149 case WhiteKingSideCastleWild:
3150 case BlackKingSideCastleWild:
3151 sprintf(user_move, "o-o-o\n");
3153 case WhitePromotionQueen:
3154 case BlackPromotionQueen:
3155 case WhitePromotionRook:
3156 case BlackPromotionRook:
3157 case WhitePromotionBishop:
3158 case BlackPromotionBishop:
3159 case WhitePromotionKnight:
3160 case BlackPromotionKnight:
3161 case WhitePromotionKing:
3162 case BlackPromotionKing:
3163 sprintf(user_move, "%c%c%c%c=%c\n",
3164 'a' + fromX, '1' + fromY, 'a' + toX, '1' + toY,
3165 PieceToChar(PromoPiece(moveType)));
3169 sprintf(user_move, "%c@%c%c\n",
3170 ToUpper(PieceToChar((ChessSquare) fromX)),
3171 'a' + toX, '1' + toY);
3174 case WhiteCapturesEnPassant:
3175 case BlackCapturesEnPassant:
3176 case IllegalMove: /* could be a variant we don't quite understand */
3177 sprintf(user_move, "%c%c%c%c\n",
3178 'a' + fromX, '1' + fromY, 'a' + toX, '1' + toY);
3181 SendToICS(user_move);
3185 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
3190 if (rf == DROP_RANK) {
3191 sprintf(move, "%c@%c%c\n",
3192 ToUpper(PieceToChar((ChessSquare) ff)), 'a' + ft, '1' + rt);
3194 if (promoChar == 'x' || promoChar == NULLCHAR) {
3195 sprintf(move, "%c%c%c%c\n",
3196 'a' + ff, '1' + rf, 'a' + ft, '1' + rt);
3198 sprintf(move, "%c%c%c%c%c\n",
3199 'a' + ff, '1' + rf, 'a' + ft, '1' + rt, promoChar);
3205 ProcessICSInitScript(f)
3210 while (fgets(buf, MSG_SIZ, f)) {
3211 SendToICSDelayed(buf,(long)appData.msLoginDelay);
3218 /* Parser for moves from gnuchess, ICS, or user typein box */
3220 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
3223 ChessMove *moveType;
3224 int *fromX, *fromY, *toX, *toY;
3227 *moveType = yylexstr(moveNum, move);
3228 switch (*moveType) {
3229 case WhitePromotionQueen:
3230 case BlackPromotionQueen:
3231 case WhitePromotionRook:
3232 case BlackPromotionRook:
3233 case WhitePromotionBishop:
3234 case BlackPromotionBishop:
3235 case WhitePromotionKnight:
3236 case BlackPromotionKnight:
3237 case WhitePromotionKing:
3238 case BlackPromotionKing:
3240 case WhiteCapturesEnPassant:
3241 case BlackCapturesEnPassant:
3242 case WhiteKingSideCastle:
3243 case WhiteQueenSideCastle:
3244 case BlackKingSideCastle:
3245 case BlackQueenSideCastle:
3246 case WhiteKingSideCastleWild:
3247 case WhiteQueenSideCastleWild:
3248 case BlackKingSideCastleWild:
3249 case BlackQueenSideCastleWild:
3250 case IllegalMove: /* bug or odd chess variant */
3251 *fromX = currentMoveString[0] - 'a';
3252 *fromY = currentMoveString[1] - '1';
3253 *toX = currentMoveString[2] - 'a';
3254 *toY = currentMoveString[3] - '1';
3255 *promoChar = currentMoveString[4];
3256 if (*fromX < 0 || *fromX > 7 || *fromY < 0 || *fromY > 7 ||
3257 *toX < 0 || *toX > 7 || *toY < 0 || *toY > 7) {
3258 *fromX = *fromY = *toX = *toY = 0;
3261 if (appData.testLegality) {
3262 return (*moveType != IllegalMove);
3264 return !(fromX == fromY && toX == toY);
3269 *fromX = *moveType == WhiteDrop ?
3270 (int) CharToPiece(ToUpper(currentMoveString[0])) :
3271 (int) CharToPiece(ToLower(currentMoveString[0]));
3273 *toX = currentMoveString[2] - 'a';
3274 *toY = currentMoveString[3] - '1';
3275 *promoChar = NULLCHAR;
3279 case ImpossibleMove:
3280 case (ChessMove) 0: /* end of file */
3290 *fromX = *fromY = *toX = *toY = 0;
3291 *promoChar = NULLCHAR;
3298 InitPosition(redraw)
3301 currentMove = forwardMostMove = backwardMostMove = 0;
3302 switch (gameInfo.variant) {
3304 CopyBoard(boards[0], initialPosition);
3306 case VariantTwoKings:
3307 CopyBoard(boards[0], twoKingsPosition);
3308 startedFromSetupPosition = TRUE;
3310 case VariantWildCastle:
3311 CopyBoard(boards[0], initialPosition);
3312 /* !!?shuffle with kings guaranteed to be on d or e file */
3314 case VariantNoCastle:
3315 CopyBoard(boards[0], initialPosition);
3316 /* !!?unconstrained back-rank shuffle */
3318 case VariantFischeRandom:
3319 CopyBoard(boards[0], initialPosition);
3320 /* !!shuffle according to FR rules */
3324 DrawPosition(FALSE, boards[currentMove]);
3328 SendBoard(cps, moveNum)
3329 ChessProgramState *cps;
3332 char message[MSG_SIZ];
3334 if (cps->useSetboard) {
3335 char* fen = PositionToFEN(moveNum);
3336 sprintf(message, "setboard %s\n", fen);
3337 SendToProgram(message, cps);
3343 /* Kludge to set black to move, avoiding the troublesome and now
3344 * deprecated "black" command.
3346 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
3348 SendToProgram("edit\n", cps);
3349 SendToProgram("#\n", cps);
3350 for (i = BOARD_SIZE - 1; i >= 0; i--) {
3351 bp = &boards[moveNum][i][0];
3352 for (j = 0; j < BOARD_SIZE; j++, bp++) {
3353 if ((int) *bp < (int) BlackPawn) {
3354 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
3356 SendToProgram(message, cps);
3361 SendToProgram("c\n", cps);
3362 for (i = BOARD_SIZE - 1; i >= 0; i--) {
3363 bp = &boards[moveNum][i][0];
3364 for (j = 0; j < BOARD_SIZE; j++, bp++) {
3365 if (((int) *bp != (int) EmptySquare)
3366 && ((int) *bp >= (int) BlackPawn)) {
3367 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
3369 SendToProgram(message, cps);
3374 SendToProgram(".\n", cps);
3379 IsPromotion(fromX, fromY, toX, toY)
3380 int fromX, fromY, toX, toY;
3382 return gameMode != EditPosition &&
3383 fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0 &&
3384 ((boards[currentMove][fromY][fromX] == WhitePawn && toY == 7) ||
3385 (boards[currentMove][fromY][fromX] == BlackPawn && toY == 0));
3390 PieceForSquare (x, y)
3394 if (x < 0 || x >= BOARD_SIZE || y < 0 || y >= BOARD_SIZE)
3397 return boards[currentMove][y][x];
3401 OKToStartUserMove(x, y)
3404 ChessSquare from_piece;
3407 if (matchMode) return FALSE;
3408 if (gameMode == EditPosition) return TRUE;
3410 if (x >= 0 && y >= 0)
3411 from_piece = boards[currentMove][y][x];
3413 from_piece = EmptySquare;
3415 if (from_piece == EmptySquare) return FALSE;
3417 white_piece = (int)from_piece >= (int)WhitePawn &&
3418 (int)from_piece <= (int)WhiteKing;
3421 case PlayFromGameFile:
3423 case TwoMachinesPlay:
3431 case MachinePlaysWhite:
3432 case IcsPlayingBlack:
3433 if (appData.zippyPlay) return FALSE;
3435 DisplayMoveError(_("You are playing Black"));
3440 case MachinePlaysBlack:
3441 case IcsPlayingWhite:
3442 if (appData.zippyPlay) return FALSE;
3444 DisplayMoveError(_("You are playing White"));
3450 if (!white_piece && WhiteOnMove(currentMove)) {
3451 DisplayMoveError(_("It is White's turn"));
3454 if (white_piece && !WhiteOnMove(currentMove)) {
3455 DisplayMoveError(_("It is Black's turn"));
3458 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
3459 /* Editing correspondence game history */
3460 /* Could disallow this or prompt for confirmation */
3463 if (currentMove < forwardMostMove) {
3464 /* Discarding moves */
3465 /* Could prompt for confirmation here,
3466 but I don't think that's such a good idea */
3467 forwardMostMove = currentMove;
3471 case BeginningOfGame:
3472 if (appData.icsActive) return FALSE;
3473 if (!appData.noChessProgram) {
3475 DisplayMoveError(_("You are playing White"));
3482 if (!white_piece && WhiteOnMove(currentMove)) {
3483 DisplayMoveError(_("It is White's turn"));
3486 if (white_piece && !WhiteOnMove(currentMove)) {
3487 DisplayMoveError(_("It is Black's turn"));
3496 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
3497 && gameMode != AnalyzeFile && gameMode != Training) {
3498 DisplayMoveError(_("Displayed position is not current"));
3504 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
3505 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
3506 int lastLoadGameUseList = FALSE;
3507 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
3508 ChessMove lastLoadGameStart = (ChessMove) 0;
3512 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
3513 int fromX, fromY, toX, toY;
3518 if (fromX < 0 || fromY < 0) return;
3519 if ((fromX == toX) && (fromY == toY)) {
3523 /* Check if the user is playing in turn. This is complicated because we
3524 let the user "pick up" a piece before it is his turn. So the piece he
3525 tried to pick up may have been captured by the time he puts it down!
3526 Therefore we use the color the user is supposed to be playing in this
3527 test, not the color of the piece that is currently on the starting
3528 square---except in EditGame mode, where the user is playing both
3529 sides; fortunately there the capture race can't happen. (It can
3530 now happen in IcsExamining mode, but that's just too bad. The user
3531 will get a somewhat confusing message in that case.)
3535 case PlayFromGameFile:
3537 case TwoMachinesPlay:
3541 /* We switched into a game mode where moves are not accepted,
3542 perhaps while the mouse button was down. */
3545 case MachinePlaysWhite:
3546 /* User is moving for Black */
3547 if (WhiteOnMove(currentMove)) {
3548 DisplayMoveError(_("It is White's turn"));
3553 case MachinePlaysBlack:
3554 /* User is moving for White */
3555 if (!WhiteOnMove(currentMove)) {
3556 DisplayMoveError(_("It is Black's turn"));
3563 case BeginningOfGame:
3566 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
3567 (int) boards[currentMove][fromY][fromX] <= (int) BlackKing) {
3568 /* User is moving for Black */
3569 if (WhiteOnMove(currentMove)) {
3570 DisplayMoveError(_("It is White's turn"));
3574 /* User is moving for White */
3575 if (!WhiteOnMove(currentMove)) {
3576 DisplayMoveError(_("It is Black's turn"));
3582 case IcsPlayingBlack:
3583 /* User is moving for Black */
3584 if (WhiteOnMove(currentMove)) {
3585 if (!appData.premove) {
3586 DisplayMoveError(_("It is White's turn"));
3587 } else if (toX >= 0 && toY >= 0) {
3590 premoveFromX = fromX;
3591 premoveFromY = fromY;
3592 premovePromoChar = promoChar;
3594 if (appData.debugMode)
3595 fprintf(debugFP, "Got premove: fromX %d,"
3596 "fromY %d, toX %d, toY %d\n",
3597 fromX, fromY, toX, toY);
3603 case IcsPlayingWhite:
3604 /* User is moving for White */
3605 if (!WhiteOnMove(currentMove)) {
3606 if (!appData.premove) {
3607 DisplayMoveError(_("It is Black's turn"));
3608 } else if (toX >= 0 && toY >= 0) {
3611 premoveFromX = fromX;
3612 premoveFromY = fromY;
3613 premovePromoChar = promoChar;
3615 if (appData.debugMode)
3616 fprintf(debugFP, "Got premove: fromX %d,"
3617 "fromY %d, toX %d, toY %d\n",
3618 fromX, fromY, toX, toY);
3628 if (toX == -2 || toY == -2) {
3629 boards[0][fromY][fromX] = EmptySquare;
3630 DrawPosition(FALSE, boards[currentMove]);
3631 } else if (toX >= 0 && toY >= 0) {
3632 boards[0][toY][toX] = boards[0][fromY][fromX];
3633 boards[0][fromY][fromX] = EmptySquare;
3634 DrawPosition(FALSE, boards[currentMove]);
3639 if (toX < 0 || toY < 0) return;
3640 userOfferedDraw = FALSE;
3642 if (appData.testLegality) {
3643 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
3644 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar);
3645 if (moveType == IllegalMove || moveType == ImpossibleMove) {
3646 DisplayMoveError(_("Illegal move"));
3650 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
3653 if (gameMode == Training) {
3654 /* compare the move played on the board to the next move in the
3655 * game. If they match, display the move and the opponent's response.
3656 * If they don't match, display an error message.
3660 CopyBoard(testBoard, boards[currentMove]);
3661 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
3663 if (CompareBoards(testBoard, boards[currentMove+1])) {
3664 ForwardInner(currentMove+1);
3666 /* Autoplay the opponent's response.
3667 * if appData.animate was TRUE when Training mode was entered,
3668 * the response will be animated.
3670 saveAnimate = appData.animate;
3671 appData.animate = animateTraining;
3672 ForwardInner(currentMove+1);
3673 appData.animate = saveAnimate;
3675 /* check for the end of the game */
3676 if (currentMove >= forwardMostMove) {
3677 gameMode = PlayFromGameFile;
3679 SetTrainingModeOff();
3680 DisplayInformation(_("End of game"));
3683 DisplayError(_("Incorrect move"), 0);
3688 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
3691 /* Common tail of UserMoveEvent and DropMenuEvent */
3693 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
3695 int fromX, fromY, toX, toY;
3696 /*char*/int promoChar;
3698 /* Ok, now we know that the move is good, so we can kill
3699 the previous line in Analysis Mode */
3700 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
3701 forwardMostMove = currentMove;
3704 /* If we need the chess program but it's dead, restart it */
3705 ResurrectChessProgram();
3707 /* A user move restarts a paused game*/
3711 thinkOutput[0] = NULLCHAR;
3713 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
3715 if (gameMode == BeginningOfGame) {
3716 if (appData.noChessProgram) {
3717 gameMode = EditGame;
3721 gameMode = MachinePlaysBlack;
3723 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
3725 if (first.sendName) {
3726 sprintf(buf, "name %s\n", gameInfo.white);
3727 SendToProgram(buf, &first);
3733 /* Relay move to ICS or chess engine */
3734 if (appData.icsActive) {
3735 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
3736 gameMode == IcsExamining) {
3737 SendMoveToICS(moveType, fromX, fromY, toX, toY);
3741 if (first.sendTime && (gameMode == BeginningOfGame ||
3742 gameMode == MachinePlaysWhite ||
3743 gameMode == MachinePlaysBlack)) {
3744 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
3746 SendMoveToProgram(forwardMostMove-1, &first);
3747 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
3748 first.maybeThinking = TRUE;
3750 if (currentMove == cmailOldMove + 1) {
3751 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
3755 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
3759 switch (MateTest(boards[currentMove], PosFlags(currentMove),
3765 if (WhiteOnMove(currentMove)) {
3766 GameEnds(BlackWins, "Black mates", GE_PLAYER);
3768 GameEnds(WhiteWins, "White mates", GE_PLAYER);
3772 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
3777 case MachinePlaysBlack:
3778 case MachinePlaysWhite:
3779 /* disable certain menu options while machine is thinking */
3780 SetMachineThinkingEnables();
3789 HandleMachineMove(message, cps)
3791 ChessProgramState *cps;
3793 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
3794 char realname[MSG_SIZ];
3795 int fromX, fromY, toX, toY;
3802 * Kludge to ignore BEL characters
3804 while (*message == '\007') message++;
3807 * Look for book output
3809 if (cps == &first && bookRequested) {
3810 if (message[0] == '\t' || message[0] == ' ') {
3811 /* Part of the book output is here; append it */
3812 strcat(bookOutput, message);
3813 strcat(bookOutput, " \n");
3815 } else if (bookOutput[0] != NULLCHAR) {
3816 /* All of book output has arrived; display it */
3817 char *p = bookOutput;
3818 while (*p != NULLCHAR) {
3819 if (*p == '\t') *p = ' ';
3822 DisplayInformation(bookOutput);
3823 bookRequested = FALSE;
3824 /* Fall through to parse the current output */
3829 * Look for machine move.
3831 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 &&
3832 strcmp(buf2, "...") == 0) ||
3833 (sscanf(message, "%s %s", buf1, machineMove) == 2 &&
3834 strcmp(buf1, "move") == 0)) {
3836 /* This method is only useful on engines that support ping */
3837 if (cps->lastPing != cps->lastPong) {
3838 if (gameMode == BeginningOfGame) {
3839 /* Extra move from before last new; ignore */
3840 if (appData.debugMode) {
3841 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
3844 if (appData.debugMode) {
3845 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
3846 cps->which, gameMode);
3848 SendToProgram("undo\n", cps);
3854 case BeginningOfGame:
3855 /* Extra move from before last reset; ignore */
3856 if (appData.debugMode) {
3857 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
3864 /* Extra move after we tried to stop. The mode test is
3865 not a reliable way of detecting this problem, but it's
3866 the best we can do on engines that don't support ping.
3868 if (appData.debugMode) {
3869 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
3870 cps->which, gameMode);
3872 SendToProgram("undo\n", cps);
3875 case MachinePlaysWhite:
3876 case IcsPlayingWhite:
3877 machineWhite = TRUE;
3880 case MachinePlaysBlack:
3881 case IcsPlayingBlack:
3882 machineWhite = FALSE;
3885 case TwoMachinesPlay:
3886 machineWhite = (cps->twoMachinesColor[0] == 'w');
3889 if (WhiteOnMove(forwardMostMove) != machineWhite) {
3890 if (appData.debugMode) {
3892 "Ignoring move out of turn by %s, gameMode %d"
3893 ", forwardMost %d\n",
3894 cps->which, gameMode, forwardMostMove);
3899 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
3900 &fromX, &fromY, &toX, &toY, &promoChar)) {
3901 /* Machine move could not be parsed; ignore it. */
3902 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
3903 machineMove, cps->which);
3904 DisplayError(buf1, 0);
3905 if (gameMode == TwoMachinesPlay) {
3906 GameEnds(machineWhite ? BlackWins : WhiteWins,
3907 "Forfeit due to illegal move", GE_XBOARD);
3912 hintRequested = FALSE;
3913 lastHint[0] = NULLCHAR;
3914 bookRequested = FALSE;
3915 /* Program may be pondering now */
3916 cps->maybeThinking = TRUE;
3917 if (cps->sendTime == 2) cps->sendTime = 1;
3918 if (cps->offeredDraw) cps->offeredDraw--;
3921 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
3923 SendMoveToICS(moveType, fromX, fromY, toX, toY);
3927 /* currentMoveString is set as a side-effect of ParseOneMove */
3928 strcpy(machineMove, currentMoveString);
3929 strcat(machineMove, "\n");
3930 strcpy(moveList[forwardMostMove], machineMove);
3932 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
3934 if (gameMode == TwoMachinesPlay) {
3935 if (cps->other->sendTime) {
3936 SendTimeRemaining(cps->other,
3937 cps->other->twoMachinesColor[0] == 'w');
3939 SendMoveToProgram(forwardMostMove-1, cps->other);
3942 if (cps->other->useColors) {
3943 SendToProgram(cps->other->twoMachinesColor, cps->other);
3945 SendToProgram("go\n", cps->other);
3947 cps->other->maybeThinking = TRUE;
3950 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
3951 if (!pausing && appData.ringBellAfterMoves) {
3955 * Reenable menu items that were disabled while
3956 * machine was thinking
3958 if (gameMode != TwoMachinesPlay)
3959 SetUserThinkingEnables();
3963 /* Set special modes for chess engines. Later something general
3964 * could be added here; for now there is just one kludge feature,
3965 * needed because Crafty 15.10 and earlier don't ignore SIGINT
3966 * when "xboard" is given as an interactive command.
3968 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
3969 cps->useSigint = FALSE;
3970 cps->useSigterm = FALSE;
3974 * Look for communication commands
3976 if (!strncmp(message, "telluser ", 9)) {
3977 DisplayNote(message + 9);
3980 if (!strncmp(message, "tellusererror ", 14)) {
3981 DisplayError(message + 14, 0);
3984 if (!strncmp(message, "tellopponent ", 13)) {
3985 if (appData.icsActive) {
3987 sprintf(buf1, "%ssay %s\n", ics_prefix, message + 13);
3991 DisplayNote(message + 13);
3995 if (!strncmp(message, "tellothers ", 11)) {
3996 if (appData.icsActive) {
3998 sprintf(buf1, "%swhisper %s\n", ics_prefix, message + 11);
4004 if (!strncmp(message, "tellall ", 8)) {
4005 if (appData.icsActive) {
4007 sprintf(buf1, "%skibitz %s\n", ics_prefix, message + 8);
4011 DisplayNote(message + 8);
4015 if (strncmp(message, "warning", 7) == 0) {
4016 /* Undocumented feature, use tellusererror in new code */
4017 DisplayError(message, 0);
4020 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
4021 strcpy(realname, cps->tidy);
4022 strcat(realname, " query");
4023 AskQuestion(realname, buf2, buf1, cps->pr);
4026 /* Commands from the engine directly to ICS. We don't allow these to be
4027 * sent until we are logged on. Crafty kibitzes have been known to
4028 * interfere with the login process.
4031 if (!strncmp(message, "tellics ", 8)) {
4032 SendToICS(message + 8);
4036 if (!strncmp(message, "tellicsnoalias ", 15)) {
4037 SendToICS(ics_prefix);
4038 SendToICS(message + 15);
4042 /* The following are for backward compatibility only */
4043 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
4044 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
4045 SendToICS(ics_prefix);
4051 if (strncmp(message, "feature ", 8) == 0) {
4052 ParseFeatures(message+8, cps);
4054 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
4058 * If the move is illegal, cancel it and redraw the board.
4059 * Also deal with other error cases. Matching is rather loose
4060 * here to accommodate engines written before the spec.
4062 if (strncmp(message + 1, "llegal move", 11) == 0 ||
4063 strncmp(message, "Error", 5) == 0) {
4064 if (StrStr(message, "name") ||
4065 StrStr(message, "rating") || StrStr(message, "?") ||
4066 StrStr(message, "result") || StrStr(message, "board") ||
4067 StrStr(message, "bk") || StrStr(message, "computer") ||
4068 StrStr(message, "variant") || StrStr(message, "hint") ||
4069 StrStr(message, "random") || StrStr(message, "depth") ||
4070 StrStr(message, "accepted")) {
4073 if (StrStr(message, "protover")) {
4074 /* Program is responding to input, so it's apparently done
4075 initializing, and this error message indicates it is
4076 protocol version 1. So we don't need to wait any longer
4077 for it to initialize and send feature commands. */
4078 FeatureDone(cps, 1);
4079 cps->protocolVersion = 1;
4082 cps->maybeThinking = FALSE;
4084 if (StrStr(message, "draw")) {
4085 /* Program doesn't have "draw" command */
4086 cps->sendDrawOffers = 0;
4089 if (cps->sendTime != 1 &&
4090 (StrStr(message, "time") || StrStr(message, "otim"))) {
4091 /* Program apparently doesn't have "time" or "otim" command */
4095 if (StrStr(message, "analyze")) {
4096 cps->analysisSupport = FALSE;
4097 cps->analyzing = FALSE;
4099 sprintf(buf2, "%s does not support analysis", cps->tidy);
4100 DisplayError(buf2, 0);
4103 if (StrStr(message, "(no matching move)st")) {
4104 /* Special kludge for GNU Chess 4 only */
4105 cps->stKludge = TRUE;
4106 SendTimeControl(cps, movesPerSession, timeControl,
4107 timeIncrement, appData.searchDepth,
4111 if (StrStr(message, "(no matching move)sd")) {
4112 /* Special kludge for GNU Chess 4 only */
4113 cps->sdKludge = TRUE;
4114 SendTimeControl(cps, movesPerSession, timeControl,
4115 timeIncrement, appData.searchDepth,
4119 if (!StrStr(message, "llegal")) return;
4120 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
4121 gameMode == IcsIdle) return;
4122 if (forwardMostMove <= backwardMostMove) return;
4124 /* Following removed: it caused a bug where a real illegal move
4125 message in analyze mored would be ignored. */
4126 if (cps == &first && programStats.ok_to_send == 0) {
4127 /* Bogus message from Crafty responding to "." This filtering
4128 can miss some of the bad messages, but fortunately the bug
4129 is fixed in current Crafty versions, so it doesn't matter. */
4133 if (pausing) PauseEvent();
4134 if (gameMode == PlayFromGameFile) {
4135 /* Stop reading this game file */
4136 gameMode = EditGame;
4139 currentMove = --forwardMostMove;
4140 DisplayMove(currentMove-1); /* before DisplayMoveError */
4142 DisplayBothClocks();
4143 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
4144 parseList[currentMove], cps->which);
4145 DisplayMoveError(buf1);
4146 DrawPosition(FALSE, boards[currentMove]);
4149 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
4150 /* Program has a broken "time" command that
4151 outputs a string not ending in newline.
4157 * If chess program startup fails, exit with an error message.
4158 * Attempts to recover here are futile.
4160 if ((StrStr(message, "unknown host") != NULL)
4161 || (StrStr(message, "No remote directory") != NULL)
4162 || (StrStr(message, "not found") != NULL)
4163 || (StrStr(message, "No such file") != NULL)
4164 || (StrStr(message, "can't alloc") != NULL)
4165 || (StrStr(message, "Permission denied") != NULL)) {
4167 cps->maybeThinking = FALSE;
4168 sprintf(buf1, _("Failed to start %s chess program %s on %s: %s\n"),
4169 cps->which, cps->program, cps->host, message);
4170 RemoveInputSource(cps->isr);
4171 DisplayFatalError(buf1, 0, 1);
4176 * Look for hint output
4178 if (sscanf(message, "Hint: %s", buf1) == 1) {
4179 if (cps == &first && hintRequested) {
4180 hintRequested = FALSE;
4181 if (ParseOneMove(buf1, forwardMostMove, &moveType,
4182 &fromX, &fromY, &toX, &toY, &promoChar)) {
4183 (void) CoordsToAlgebraic(boards[forwardMostMove],
4184 PosFlags(forwardMostMove), EP_UNKNOWN,
4185 fromY, fromX, toY, toX, promoChar, buf1);
4186 sprintf(buf2, "Hint: %s", buf1);
4187 DisplayInformation(buf2);
4189 /* Hint move could not be parsed!? */
4191 _("Illegal hint move \"%s\"\nfrom %s chess program"),
4193 DisplayError(buf2, 0);
4196 strcpy(lastHint, buf1);
4202 * Ignore other messages if game is not in progress
4204 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
4205 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
4208 * look for win, lose, draw, or draw offer
4210 if (strncmp(message, "1-0", 3) == 0) {
4211 char *p, *q, *r = "";
4212 p = strchr(message, '{');
4220 GameEnds(WhiteWins, r, GE_ENGINE);
4222 } else if (strncmp(message, "0-1", 3) == 0) {
4223 char *p, *q, *r = "";
4224 p = strchr(message, '{');
4232 /* Kludge for Arasan 4.1 bug */
4233 if (strcmp(r, "Black resigns") == 0) {
4234 GameEnds(WhiteWins, r, GE_ENGINE);
4237 GameEnds(BlackWins, r, GE_ENGINE);
4239 } else if (strncmp(message, "1/2", 3) == 0) {
4240 char *p, *q, *r = "";
4241 p = strchr(message, '{');
4249 GameEnds(GameIsDrawn, r, GE_ENGINE);
4252 } else if (strncmp(message, "White resign", 12) == 0) {
4253 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4255 } else if (strncmp(message, "Black resign", 12) == 0) {
4256 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4258 } else if (strncmp(message, "White", 5) == 0 &&
4259 message[5] != '(' &&
4260 StrStr(message, "Black") == NULL) {
4261 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4263 } else if (strncmp(message, "Black", 5) == 0 &&
4264 message[5] != '(') {
4265 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4267 } else if (strcmp(message, "resign") == 0 ||
4268 strcmp(message, "computer resigns") == 0) {
4270 case MachinePlaysBlack:
4271 case IcsPlayingBlack:
4272 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4274 case MachinePlaysWhite:
4275 case IcsPlayingWhite:
4276 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4278 case TwoMachinesPlay:
4279 if (cps->twoMachinesColor[0] == 'w')
4280 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4282 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4289 } else if (strncmp(message, "opponent mates", 14) == 0) {
4291 case MachinePlaysBlack:
4292 case IcsPlayingBlack:
4293 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4295 case MachinePlaysWhite:
4296 case IcsPlayingWhite:
4297 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4299 case TwoMachinesPlay:
4300 if (cps->twoMachinesColor[0] == 'w')
4301 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4303 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4310 } else if (strncmp(message, "computer mates", 14) == 0) {
4312 case MachinePlaysBlack:
4313 case IcsPlayingBlack:
4314 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4316 case MachinePlaysWhite:
4317 case IcsPlayingWhite:
4318 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4320 case TwoMachinesPlay:
4321 if (cps->twoMachinesColor[0] == 'w')
4322 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4324 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4331 } else if (strncmp(message, "checkmate", 9) == 0) {
4332 if (WhiteOnMove(forwardMostMove)) {
4333 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4335 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4338 } else if (strstr(message, "Draw") != NULL ||
4339 strstr(message, "game is a draw") != NULL) {
4340 GameEnds(GameIsDrawn, "Draw", GE_ENGINE);
4342 } else if (strstr(message, "offer") != NULL &&
4343 strstr(message, "draw") != NULL) {
4345 if (appData.zippyPlay && first.initDone) {
4346 /* Relay offer to ICS */
4347 SendToICS(ics_prefix);
4348 SendToICS("draw\n");
4351 cps->offeredDraw = 2; /* valid until this engine moves twice */
4352 if (gameMode == TwoMachinesPlay) {
4353 if (cps->other->offeredDraw) {
4354 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
4356 if (cps->other->sendDrawOffers) {
4357 SendToProgram("draw\n", cps->other);
4360 } else if (gameMode == MachinePlaysWhite ||
4361 gameMode == MachinePlaysBlack) {
4362 if (userOfferedDraw) {
4363 DisplayInformation(_("Machine accepts your draw offer"));
4364 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
4366 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
4373 * Look for thinking output
4375 if (appData.showThinking) {
4376 int plylev, mvleft, mvtot, curscore, time;
4377 char mvname[MOVE_LEN];
4381 int prefixHint = FALSE;
4382 mvname[0] = NULLCHAR;
4385 case MachinePlaysBlack:
4386 case IcsPlayingBlack:
4387 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
4389 case MachinePlaysWhite:
4390 case IcsPlayingWhite:
4391 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
4396 /* icsEngineAnalyze */
4398 if (!appData.icsEngineAnalyze) ignore = TRUE;
4400 case TwoMachinesPlay:
4401 if ((cps->twoMachinesColor[0] == 'w') !=
4402 WhiteOnMove(forwardMostMove)) {
4413 if (sscanf(message, "%d%c %d %d" u64Display "%[^\n]\n",
4414 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
4416 if (plyext != ' ' && plyext != '\t') {
4419 programStats.depth = plylev;
4420 programStats.nodes = nodes;
4421 programStats.time = time;
4422 programStats.score = curscore;
4423 programStats.got_only_move = 0;
4425 /* Buffer overflow protection */
4426 if (buf1[0] != NULLCHAR) {
4427 if (strlen(buf1) >= sizeof(programStats.movelist)
4428 && appData.debugMode) {
4430 "PV is too long; using the first %d bytes.\n",
4431 sizeof(programStats.movelist) - 1);
4433 strncpy(programStats.movelist, buf1,
4434 sizeof(programStats.movelist));
4435 programStats.movelist[sizeof(programStats.movelist) - 1]
4438 sprintf(programStats.movelist, " no PV\n");
4441 if (programStats.seen_stat) {
4442 programStats.ok_to_send = 1;
4445 if (strchr(programStats.movelist, '(') != NULL) {
4446 programStats.line_is_book = 1;
4447 programStats.nr_moves = 0;
4448 programStats.moves_left = 0;
4450 programStats.line_is_book = 0;
4453 sprintf(thinkOutput, "[%d]%c%+.2f %s%s%s",
4455 (gameMode == TwoMachinesPlay ?
4456 ToUpper(cps->twoMachinesColor[0]) : ' '),
4457 ((double) curscore) / 100.0,
4458 prefixHint ? lastHint : "",
4459 prefixHint ? " " : "", buf1);
4461 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
4462 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
4463 DisplayMove(currentMove - 1);
4468 } else if ((p=StrStr(message, "(only move)")) != NULL) {
4469 /* crafty (9.25+) says "(only move) <move>"
4470 * if there is only 1 legal move
4472 sscanf(p, "(only move) %s", buf1);
4473 sprintf(thinkOutput, "%s (only move)", buf1);
4474 sprintf(programStats.movelist, "%s (only move)", buf1);
4475 programStats.depth = 1;
4476 programStats.nr_moves = 1;
4477 programStats.moves_left = 1;
4478 programStats.nodes = 1;
4479 programStats.time = 1;
4480 programStats.got_only_move = 1;
4482 /* Not really, but we also use this member to
4483 mean "line isn't going to change" (Crafty
4484 isn't searching, so stats won't change) */
4485 programStats.line_is_book = 1;
4487 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
4488 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
4489 DisplayMove(currentMove - 1);
4493 } else if (sscanf(message,"stat01: %d" u64Display "%d %d %d %s",
4494 &time, &nodes, &plylev, &mvleft,
4495 &mvtot, mvname) >= 5) {
4496 /* The stat01: line is from Crafty (9.29+) in response
4497 to the "." command */
4498 programStats.seen_stat = 1;
4499 cps->maybeThinking = TRUE;
4501 if (programStats.got_only_move || !appData.periodicUpdates)
4504 programStats.depth = plylev;
4505 programStats.time = time;
4506 programStats.nodes = nodes;
4507 programStats.moves_left = mvleft;
4508 programStats.nr_moves = mvtot;
4509 strcpy(programStats.move_name, mvname);
4510 programStats.ok_to_send = 1;
4514 } else if (strncmp(message,"++",2) == 0) {
4515 /* Crafty 9.29+ outputs this */
4516 programStats.got_fail = 2;
4519 } else if (strncmp(message,"--",2) == 0) {
4520 /* Crafty 9.29+ outputs this */
4521 programStats.got_fail = 1;
4524 } else if (thinkOutput[0] != NULLCHAR &&
4525 strncmp(message, " ", 4) == 0) {
4527 while (*p && *p == ' ') p++;
4528 strcat(thinkOutput, " ");
4529 strcat(thinkOutput, p);
4530 strcat(programStats.movelist, " ");
4531 strcat(programStats.movelist, p);
4532 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
4533 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
4534 DisplayMove(currentMove - 1);
4544 /* Parse a game score from the character string "game", and
4545 record it as the history of the current game. The game
4546 score is NOT assumed to start from the standard position.
4547 The display is not updated in any way.
4550 ParseGameHistory(game)
4554 int fromX, fromY, toX, toY, boardIndex;
4559 if (appData.debugMode)
4560 fprintf(debugFP, "Parsing game history: %s\n", game);
4562 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
4563 gameInfo.site = StrSave(appData.icsHost);
4564 gameInfo.date = PGNDate();
4565 gameInfo.round = StrSave("-");
4567 /* Parse out names of players */
4568 while (*game == ' ') game++;
4570 while (*game != ' ') *p++ = *game++;
4572 gameInfo.white = StrSave(buf);
4573 while (*game == ' ') game++;
4575 while (*game != ' ' && *game != '\n') *p++ = *game++;
4577 gameInfo.black = StrSave(buf);
4580 boardIndex = blackPlaysFirst ? 1 : 0;
4583 yyboardindex = boardIndex;
4584 moveType = (ChessMove) yylex();
4586 case WhitePromotionQueen:
4587 case BlackPromotionQueen:
4588 case WhitePromotionRook:
4589 case BlackPromotionRook:
4590 case WhitePromotionBishop:
4591 case BlackPromotionBishop:
4592 case WhitePromotionKnight:
4593 case BlackPromotionKnight:
4594 case WhitePromotionKing:
4595 case BlackPromotionKing:
4597 case WhiteCapturesEnPassant:
4598 case BlackCapturesEnPassant:
4599 case WhiteKingSideCastle:
4600 case WhiteQueenSideCastle:
4601 case BlackKingSideCastle:
4602 case BlackQueenSideCastle:
4603 case WhiteKingSideCastleWild:
4604 case WhiteQueenSideCastleWild:
4605 case BlackKingSideCastleWild:
4606 case BlackQueenSideCastleWild:
4607 case IllegalMove: /* maybe suicide chess, etc. */
4608 fromX = currentMoveString[0] - 'a';
4609 fromY = currentMoveString[1] - '1';
4610 toX = currentMoveString[2] - 'a';
4611 toY = currentMoveString[3] - '1';
4612 promoChar = currentMoveString[4];
4616 fromX = moveType == WhiteDrop ?
4617 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4618 (int) CharToPiece(ToLower(currentMoveString[0]));
4620 toX = currentMoveString[2] - 'a';
4621 toY = currentMoveString[3] - '1';
4622 promoChar = NULLCHAR;
4626 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
4627 DisplayError(buf, 0);
4629 case ImpossibleMove:
4631 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
4632 DisplayError(buf, 0);
4634 case (ChessMove) 0: /* end of file */
4635 if (boardIndex < backwardMostMove) {
4636 /* Oops, gap. How did that happen? */
4637 DisplayError(_("Gap in move list"), 0);
4640 backwardMostMove = blackPlaysFirst ? 1 : 0;
4641 if (boardIndex > forwardMostMove) {
4642 forwardMostMove = boardIndex;
4646 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
4647 strcat(parseList[boardIndex-1], " ");
4648 strcat(parseList[boardIndex-1], yy_text);
4660 case GameUnfinished:
4661 if (gameMode == IcsExamining) {
4662 if (boardIndex < backwardMostMove) {
4663 /* Oops, gap. How did that happen? */
4666 backwardMostMove = blackPlaysFirst ? 1 : 0;
4669 gameInfo.result = moveType;
4670 p = strchr(yy_text, '{');
4671 if (p == NULL) p = strchr(yy_text, '(');
4674 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
4676 q = strchr(p, *p == '{' ? '}' : ')');
4677 if (q != NULL) *q = NULLCHAR;
4680 gameInfo.resultDetails = StrSave(p);
4683 if (boardIndex >= forwardMostMove &&
4684 !(gameMode == IcsObserving && ics_gamenum == -1)) {
4685 backwardMostMove = blackPlaysFirst ? 1 : 0;
4688 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
4689 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
4690 parseList[boardIndex]);
4691 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
4692 /* currentMoveString is set as a side-effect of yylex */
4693 strcpy(moveList[boardIndex], currentMoveString);
4694 strcat(moveList[boardIndex], "\n");
4696 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
4697 switch (MateTest(boards[boardIndex],
4698 PosFlags(boardIndex), EP_UNKNOWN)) {
4704 strcat(parseList[boardIndex - 1], "+");
4707 strcat(parseList[boardIndex - 1], "#");
4714 /* Apply a move to the given board */
4716 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
4717 int fromX, fromY, toX, toY;
4721 ChessSquare captured = board[toY][toX];
4722 if (fromY == DROP_RANK) {
4724 board[toY][toX] = (ChessSquare) fromX;
4725 } else if (fromX == toX && fromY == toY) {
4727 } else if (fromY == 0 && fromX == 4
4728 && board[fromY][fromX] == WhiteKing
4729 && toY == 0 && toX == 6) {
4730 board[fromY][fromX] = EmptySquare;
4731 board[toY][toX] = WhiteKing;
4732 board[fromY][7] = EmptySquare;
4733 board[toY][5] = WhiteRook;
4734 } else if (fromY == 0 && fromX == 4
4735 && board[fromY][fromX] == WhiteKing
4736 && toY == 0 && toX == 2) {
4737 board[fromY][fromX] = EmptySquare;
4738 board[toY][toX] = WhiteKing;
4739 board[fromY][0] = EmptySquare;
4740 board[toY][3] = WhiteRook;
4741 } else if (fromY == 0 && fromX == 3
4742 && board[fromY][fromX] == WhiteKing
4743 && toY == 0 && toX == 5) {
4744 board[fromY][fromX] = EmptySquare;
4745 board[toY][toX] = WhiteKing;
4746 board[fromY][7] = EmptySquare;
4747 board[toY][4] = WhiteRook;
4748 } else if (fromY == 0 && fromX == 3
4749 && board[fromY][fromX] == WhiteKing
4750 && toY == 0 && toX == 1) {
4751 board[fromY][fromX] = EmptySquare;
4752 board[toY][toX] = WhiteKing;
4753 board[fromY][0] = EmptySquare;
4754 board[toY][2] = WhiteRook;
4755 } else if (board[fromY][fromX] == WhitePawn
4757 /* white pawn promotion */
4758 board[7][toX] = CharToPiece(ToUpper(promoChar));
4759 if (board[7][toX] == EmptySquare) {
4760 board[7][toX] = WhiteQueen;
4762 board[fromY][fromX] = EmptySquare;
4763 } else if ((fromY == 4)
4765 && (board[fromY][fromX] == WhitePawn)
4766 && (board[toY][toX] == EmptySquare)) {
4767 board[fromY][fromX] = EmptySquare;
4768 board[toY][toX] = WhitePawn;
4769 captured = board[toY - 1][toX];
4770 board[toY - 1][toX] = EmptySquare;
4771 } else if (fromY == 7 && fromX == 4
4772 && board[fromY][fromX] == BlackKing
4773 && toY == 7 && toX == 6) {
4774 board[fromY][fromX] = EmptySquare;
4775 board[toY][toX] = BlackKing;
4776 board[fromY][7] = EmptySquare;
4777 board[toY][5] = BlackRook;
4778 } else if (fromY == 7 && fromX == 4
4779 && board[fromY][fromX] == BlackKing
4780 && toY == 7 && toX == 2) {
4781 board[fromY][fromX] = EmptySquare;
4782 board[toY][toX] = BlackKing;
4783 board[fromY][0] = EmptySquare;
4784 board[toY][3] = BlackRook;
4785 } else if (fromY == 7 && fromX == 3
4786 && board[fromY][fromX] == BlackKing
4787 && toY == 7 && toX == 5) {
4788 board[fromY][fromX] = EmptySquare;
4789 board[toY][toX] = BlackKing;
4790 board[fromY][7] = EmptySquare;
4791 board[toY][4] = BlackRook;
4792 } else if (fromY == 7 && fromX == 3
4793 && board[fromY][fromX] == BlackKing
4794 && toY == 7 && toX == 1) {
4795 board[fromY][fromX] = EmptySquare;
4796 board[toY][toX] = BlackKing;
4797 board[fromY][0] = EmptySquare;
4798 board[toY][2] = BlackRook;
4799 } else if (board[fromY][fromX] == BlackPawn
4801 /* black pawn promotion */
4802 board[0][toX] = CharToPiece(ToLower(promoChar));
4803 if (board[0][toX] == EmptySquare) {
4804 board[0][toX] = BlackQueen;
4806 board[fromY][fromX] = EmptySquare;
4807 } else if ((fromY == 3)
4809 && (board[fromY][fromX] == BlackPawn)
4810 && (board[toY][toX] == EmptySquare)) {
4811 board[fromY][fromX] = EmptySquare;
4812 board[toY][toX] = BlackPawn;
4813 captured = board[toY + 1][toX];
4814 board[toY + 1][toX] = EmptySquare;
4816 board[toY][toX] = board[fromY][fromX];
4817 board[fromY][fromX] = EmptySquare;
4819 if (gameInfo.variant == VariantCrazyhouse) {
4821 /* !!A lot more code needs to be written to support holdings */
4822 if (fromY == DROP_RANK) {
4823 /* Delete from holdings */
4824 if (holdings[(int) fromX] > 0) holdings[(int) fromX]--;
4826 if (captured != EmptySquare) {
4827 /* Add to holdings */
4828 if (captured < BlackPawn) {
4829 holdings[(int)captured - (int)BlackPawn + (int)WhitePawn]++;
4831 holdings[(int)captured - (int)WhitePawn + (int)BlackPawn]++;
4835 } else if (gameInfo.variant == VariantAtomic) {
4836 if (captured != EmptySquare) {
4838 for (y = toY-1; y <= toY+1; y++) {
4839 for (x = toX-1; x <= toX+1; x++) {
4840 if (y >= 0 && y <= 7 && x >= 0 && x <= 7 &&
4841 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
4842 board[y][x] = EmptySquare;
4846 board[toY][toX] = EmptySquare;
4851 /* Updates forwardMostMove */
4853 MakeMove(fromX, fromY, toX, toY, promoChar)
4854 int fromX, fromY, toX, toY;
4858 if (forwardMostMove >= MAX_MOVES) {
4859 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4864 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
4865 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
4866 if (commentList[forwardMostMove] != NULL) {
4867 free(commentList[forwardMostMove]);
4868 commentList[forwardMostMove] = NULL;
4870 CopyBoard(boards[forwardMostMove], boards[forwardMostMove - 1]);
4871 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove]);
4872 gameInfo.result = GameUnfinished;
4873 if (gameInfo.resultDetails != NULL) {
4874 free(gameInfo.resultDetails);
4875 gameInfo.resultDetails = NULL;
4877 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
4878 moveList[forwardMostMove - 1]);
4879 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
4880 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
4881 fromY, fromX, toY, toX, promoChar,
4882 parseList[forwardMostMove - 1]);
4883 switch (MateTest(boards[forwardMostMove],
4884 PosFlags(forwardMostMove), EP_UNKNOWN)){
4890 strcat(parseList[forwardMostMove - 1], "+");
4893 strcat(parseList[forwardMostMove - 1], "#");
4898 /* Updates currentMove if not pausing */
4900 ShowMove(fromX, fromY, toX, toY)
4902 int instant = (gameMode == PlayFromGameFile) ?
4903 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
4904 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
4906 if (forwardMostMove == currentMove + 1) {
4907 AnimateMove(boards[forwardMostMove - 1],
4908 fromX, fromY, toX, toY);
4910 if (appData.highlightLastMove) {
4911 SetHighlights(fromX, fromY, toX, toY);
4914 currentMove = forwardMostMove;
4917 if (instant) return;
4918 DisplayMove(currentMove - 1);
4919 DrawPosition(FALSE, boards[currentMove]);
4920 DisplayBothClocks();
4921 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
4926 InitChessProgram(cps)
4927 ChessProgramState *cps;
4930 if (appData.noChessProgram) return;
4931 hintRequested = FALSE;
4932 bookRequested = FALSE;
4933 SendToProgram(cps->initString, cps);
4934 if (gameInfo.variant != VariantNormal &&
4935 gameInfo.variant != VariantLoadable) {
4936 char *v = VariantName(gameInfo.variant);
4937 if (StrStr(cps->variants, v) == NULL) {
4938 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
4939 DisplayFatalError(buf, 0, 1);
4942 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
4943 SendToProgram(buf, cps);
4946 sprintf(buf, "ics %s\n", appData.icsActive ? appData.icsHost : "-");
4947 SendToProgram(buf, cps);
4949 cps->maybeThinking = FALSE;
4950 cps->offeredDraw = 0;
4951 if (!appData.icsActive) {
4952 SendTimeControl(cps, movesPerSession, timeControl,
4953 timeIncrement, appData.searchDepth,
4956 if (appData.showThinking) {
4957 SendToProgram("post\n", cps);
4959 SendToProgram("hard\n", cps);
4960 if (!appData.ponderNextMove) {
4961 /* Warning: "easy" is a toggle in GNU Chess, so don't send
4962 it without being sure what state we are in first. "hard"
4963 is not a toggle, so that one is OK.
4965 SendToProgram("easy\n", cps);
4968 sprintf(buf, "ping %d\n", ++cps->lastPing);
4969 SendToProgram(buf, cps);
4971 cps->initDone = TRUE;
4976 StartChessProgram(cps)
4977 ChessProgramState *cps;
4982 if (appData.noChessProgram) return;
4983 cps->initDone = FALSE;
4985 if (strcmp(cps->host, "localhost") == 0) {
4986 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
4987 } else if (*appData.remoteShell == NULLCHAR) {
4988 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
4990 if (*appData.remoteUser == NULLCHAR) {
4991 sprintf(buf, "%s %s %s", appData.remoteShell, cps->host,
4994 sprintf(buf, "%s %s -l %s %s", appData.remoteShell,
4995 cps->host, appData.remoteUser, cps->program);
4997 err = StartChildProcess(buf, "", &cps->pr);
5001 sprintf(buf, "Startup failure on '%s'", cps->program);
5002 DisplayFatalError(buf, err, 1);
5008 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
5009 if (cps->protocolVersion > 1) {
5010 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
5011 SendToProgram(buf, cps);
5013 SendToProgram("xboard\n", cps);
5019 TwoMachinesEventIfReady P((void))
5021 if (first.lastPing != first.lastPong) {
5022 DisplayMessage("", "Waiting for first chess program");
5023 ScheduleDelayedEvent(TwoMachinesEventIfReady, 1000);
5026 if (second.lastPing != second.lastPong) {
5027 DisplayMessage("", "Waiting for second chess program");
5028 ScheduleDelayedEvent(TwoMachinesEventIfReady, 1000);
5036 NextMatchGame P((void))
5039 if (*appData.loadGameFile != NULLCHAR) {
5040 LoadGameFromFile(appData.loadGameFile,
5041 appData.loadGameIndex,
5042 appData.loadGameFile, FALSE);
5043 } else if (*appData.loadPositionFile != NULLCHAR) {
5044 LoadPositionFromFile(appData.loadPositionFile,
5045 appData.loadPositionIndex,
5046 appData.loadPositionFile);
5048 TwoMachinesEventIfReady();
5052 GameEnds(result, resultDetails, whosays)
5054 char *resultDetails;
5057 GameMode nextGameMode;
5060 if (appData.debugMode) {
5061 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
5062 result, resultDetails ? resultDetails : "(null)", whosays);
5065 if (appData.icsActive && whosays == GE_ENGINE) {
5066 /* If we are playing on ICS, the server decides when the
5067 game is over, but the engine can offer to draw, claim
5071 if (appData.zippyPlay && first.initDone) {
5072 if (result == GameIsDrawn) {
5073 /* In case draw still needs to be claimed */
5074 SendToICS(ics_prefix);
5075 SendToICS("draw\n");
5076 } else if (StrCaseStr(resultDetails, "resign")) {
5077 SendToICS(ics_prefix);
5078 SendToICS("resign\n");
5085 /* If we're loading the game from a file, stop */
5086 if (whosays == GE_FILE) {
5087 (void) StopLoadGameTimer();
5091 /* Cancel draw offers */
5092 first.offeredDraw = second.offeredDraw = 0;
5094 /* If this is an ICS game, only ICS can really say it's done;
5095 if not, anyone can. */
5096 isIcsGame = (gameMode == IcsPlayingWhite ||
5097 gameMode == IcsPlayingBlack ||
5098 gameMode == IcsObserving ||
5099 gameMode == IcsExamining);
5101 if (!isIcsGame || whosays == GE_ICS) {
5102 /* OK -- not an ICS game, or ICS said it was done */
5104 if (!isIcsGame && !appData.noChessProgram)
5105 SetUserThinkingEnables();
5107 if (resultDetails != NULL) {
5108 gameInfo.result = result;
5109 gameInfo.resultDetails = StrSave(resultDetails);
5111 /* Tell program how game ended in case it is learning */
5112 if (gameMode == MachinePlaysWhite ||
5113 gameMode == MachinePlaysBlack ||
5114 gameMode == TwoMachinesPlay ||
5115 gameMode == IcsPlayingWhite ||
5116 gameMode == IcsPlayingBlack ||
5117 gameMode == BeginningOfGame) {
5119 sprintf(buf, "result %s {%s}\n", PGNResult(result),
5121 if (first.pr != NoProc) {
5122 SendToProgram(buf, &first);
5124 if (second.pr != NoProc &&
5125 gameMode == TwoMachinesPlay) {
5126 SendToProgram(buf, &second);
5130 /* display last move only if game was not loaded from file */
5131 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
5132 DisplayMove(currentMove - 1);
5134 if (forwardMostMove != 0) {
5135 if (gameMode != PlayFromGameFile && gameMode != EditGame) {
5136 if (*appData.saveGameFile != NULLCHAR) {
5137 SaveGameToFile(appData.saveGameFile, TRUE);
5138 } else if (appData.autoSaveGames) {
5141 if (*appData.savePositionFile != NULLCHAR) {
5142 SavePositionToFile(appData.savePositionFile);
5148 if (appData.icsActive) {
5149 if (appData.quietPlay &&
5150 (gameMode == IcsPlayingWhite ||
5151 gameMode == IcsPlayingBlack)) {
5152 SendToICS(ics_prefix);
5153 SendToICS("set shout 1\n");
5155 nextGameMode = IcsIdle;
5156 ics_user_moved = FALSE;
5157 /* clean up premove. It's ugly when the game has ended and the
5158 * premove highlights are still on the board.
5162 ClearPremoveHighlights();
5163 DrawPosition(FALSE, boards[currentMove]);
5165 if (whosays == GE_ICS) {
5168 if (gameMode == IcsPlayingWhite)
5170 else if(gameMode == IcsPlayingBlack)
5174 if (gameMode == IcsPlayingBlack)
5176 else if(gameMode == IcsPlayingWhite)
5183 PlayIcsUnfinishedSound();
5186 } else if (gameMode == EditGame ||
5187 gameMode == PlayFromGameFile ||
5188 gameMode == AnalyzeMode ||
5189 gameMode == AnalyzeFile) {
5190 nextGameMode = gameMode;
5192 nextGameMode = EndOfGame;
5197 nextGameMode = gameMode;
5200 if (appData.noChessProgram) {
5201 gameMode = nextGameMode;
5207 /* Put first chess program into idle state */
5208 if (first.pr != NoProc &&
5209 (gameMode == MachinePlaysWhite ||
5210 gameMode == MachinePlaysBlack ||
5211 gameMode == TwoMachinesPlay ||
5212 gameMode == IcsPlayingWhite ||
5213 gameMode == IcsPlayingBlack ||
5214 gameMode == BeginningOfGame)) {
5215 SendToProgram("force\n", &first);
5216 if (first.usePing) {
5218 sprintf(buf, "ping %d\n", ++first.lastPing);
5219 SendToProgram(buf, &first);
5222 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
5223 /* Kill off first chess program */
5224 if (first.isr != NULL)
5225 RemoveInputSource(first.isr);
5228 if (first.pr != NoProc) {
5230 SendToProgram("quit\n", &first);
5231 DestroyChildProcess(first.pr, first.useSigterm);
5236 /* Put second chess program into idle state */
5237 if (second.pr != NoProc &&
5238 gameMode == TwoMachinesPlay) {
5239 SendToProgram("force\n", &second);
5240 if (second.usePing) {
5242 sprintf(buf, "ping %d\n", ++second.lastPing);
5243 SendToProgram(buf, &second);
5246 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
5247 /* Kill off second chess program */
5248 if (second.isr != NULL)
5249 RemoveInputSource(second.isr);
5252 if (second.pr != NoProc) {
5253 SendToProgram("quit\n", &second);
5254 DestroyChildProcess(second.pr, second.useSigterm);
5259 if (matchMode && gameMode == TwoMachinesPlay) {
5262 if (first.twoMachinesColor[0] == 'w') {
5269 if (first.twoMachinesColor[0] == 'b') {
5278 if (matchGame < appData.matchGames) {
5280 tmp = first.twoMachinesColor;
5281 first.twoMachinesColor = second.twoMachinesColor;
5282 second.twoMachinesColor = tmp;
5283 gameMode = nextGameMode;
5285 ScheduleDelayedEvent(NextMatchGame, 10000);
5289 gameMode = nextGameMode;
5290 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
5291 first.tidy, second.tidy,
5292 first.matchWins, second.matchWins,
5293 appData.matchGames - (first.matchWins + second.matchWins));
5294 DisplayFatalError(buf, 0, 0);
5297 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
5298 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
5300 gameMode = nextGameMode;
5304 /* Assumes program was just initialized (initString sent).
5305 Leaves program in force mode. */
5307 FeedMovesToProgram(cps, upto)
5308 ChessProgramState *cps;
5313 if (appData.debugMode)
5314 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
5315 startedFromSetupPosition ? "position and " : "",
5316 backwardMostMove, upto, cps->which);
5317 SendToProgram("force\n", cps);
5318 if (startedFromSetupPosition) {
5319 SendBoard(cps, backwardMostMove);
5321 for (i = backwardMostMove; i < upto; i++) {
5322 SendMoveToProgram(i, cps);
5328 ResurrectChessProgram()
5330 /* The chess program may have exited.
5331 If so, restart it and feed it all the moves made so far. */
5333 if (appData.noChessProgram || first.pr != NoProc) return;
5335 StartChessProgram(&first);
5336 InitChessProgram(&first);
5337 FeedMovesToProgram(&first, currentMove);
5339 if (!first.sendTime) {
5340 /* can't tell gnuchess what its clock should read,
5341 so we bow to its notion. */
5343 timeRemaining[0][currentMove] = whiteTimeRemaining;
5344 timeRemaining[1][currentMove] = blackTimeRemaining;
5347 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
5348 appData.icsEngineAnalyze) && first.analysisSupport) {
5349 SendToProgram("analyze\n", &first);
5350 first.analyzing = TRUE;
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
5365 redraw, init, gameMode);
5368 pausing = pauseExamInvalid = FALSE;
5369 startedFromSetupPosition = blackPlaysFirst = FALSE;
5371 whiteFlag = blackFlag = FALSE;
5372 userOfferedDraw = FALSE;
5373 hintRequested = bookRequested = FALSE;
5374 first.maybeThinking = FALSE;
5375 second.maybeThinking = FALSE;
5376 thinkOutput[0] = NULLCHAR;
5377 lastHint[0] = NULLCHAR;
5378 ClearGameInfo(&gameInfo);
5379 gameInfo.variant = StringToVariant(appData.variant);
5380 ics_user_moved = ics_clock_paused = FALSE;
5381 ics_getting_history = H_FALSE;
5383 white_holding[0] = black_holding[0] = NULLCHAR;
5384 ClearProgramStats();
5388 flipView = appData.flipView;
5389 ClearPremoveHighlights();
5391 alarmSounded = FALSE;
5393 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
5395 gameMode = BeginningOfGame;
5397 InitPosition(redraw);
5398 for (i = 0; i < MAX_MOVES; i++) {
5399 if (commentList[i] != NULL) {
5400 free(commentList[i]);
5401 commentList[i] = NULL;
5405 timeRemaining[0][0] = whiteTimeRemaining;
5406 timeRemaining[1][0] = blackTimeRemaining;
5407 if (first.pr == NULL) {
5408 StartChessProgram(&first);
5410 if (init) InitChessProgram(&first);
5412 DisplayMessage("", "");
5413 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5420 if (!AutoPlayOneMove())
5422 if (matchMode || appData.timeDelay == 0)
5424 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
5426 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
5435 int fromX, fromY, toX, toY;
5437 if (appData.debugMode) {
5438 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
5441 if (gameMode != PlayFromGameFile)
5444 if (currentMove >= forwardMostMove) {
5445 gameMode = EditGame;
5450 toX = moveList[currentMove][2] - 'a';
5451 toY = moveList[currentMove][3] - '1';
5453 if (moveList[currentMove][1] == '@') {
5454 if (appData.highlightLastMove) {
5455 SetHighlights(-1, -1, toX, toY);
5458 fromX = moveList[currentMove][0] - 'a';
5459 fromY = moveList[currentMove][1] - '1';
5460 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
5462 if (appData.highlightLastMove) {
5463 SetHighlights(fromX, fromY, toX, toY);
5466 DisplayMove(currentMove);
5467 SendMoveToProgram(currentMove++, &first);
5468 DisplayBothClocks();
5469 DrawPosition(FALSE, boards[currentMove]);
5470 if (commentList[currentMove] != NULL) {
5471 DisplayComment(currentMove - 1, commentList[currentMove]);
5478 LoadGameOneMove(readAhead)
5479 ChessMove readAhead;
5481 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
5482 char promoChar = NULLCHAR;
5487 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
5488 gameMode != AnalyzeMode && gameMode != Training) {
5493 yyboardindex = forwardMostMove;
5494 if (readAhead != (ChessMove)0) {
5495 moveType = readAhead;
5497 if (gameFileFP == NULL)
5499 moveType = (ChessMove) yylex();
5505 if (appData.debugMode)
5506 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
5508 if (*p == '{' || *p == '[' || *p == '(') {
5509 p[strlen(p) - 1] = NULLCHAR;
5513 /* append the comment but don't display it */
5514 while (*p == '\n') p++;
5515 AppendComment(currentMove, p);
5518 case WhiteCapturesEnPassant:
5519 case BlackCapturesEnPassant:
5520 case WhitePromotionQueen:
5521 case BlackPromotionQueen:
5522 case WhitePromotionRook:
5523 case BlackPromotionRook:
5524 case WhitePromotionBishop:
5525 case BlackPromotionBishop:
5526 case WhitePromotionKnight:
5527 case BlackPromotionKnight:
5528 case WhitePromotionKing:
5529 case BlackPromotionKing:
5531 case WhiteKingSideCastle:
5532 case WhiteQueenSideCastle:
5533 case BlackKingSideCastle:
5534 case BlackQueenSideCastle:
5535 case WhiteKingSideCastleWild:
5536 case WhiteQueenSideCastleWild:
5537 case BlackKingSideCastleWild:
5538 case BlackQueenSideCastleWild:
5539 if (appData.debugMode)
5540 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
5541 fromX = currentMoveString[0] - 'a';
5542 fromY = currentMoveString[1] - '1';
5543 toX = currentMoveString[2] - 'a';
5544 toY = currentMoveString[3] - '1';
5545 promoChar = currentMoveString[4];
5550 if (appData.debugMode)
5551 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
5552 fromX = moveType == WhiteDrop ?
5553 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5554 (int) CharToPiece(ToLower(currentMoveString[0]));
5556 toX = currentMoveString[2] - 'a';
5557 toY = currentMoveString[3] - '1';
5563 case GameUnfinished:
5564 if (appData.debugMode)
5565 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
5566 p = strchr(yy_text, '{');
5567 if (p == NULL) p = strchr(yy_text, '(');
5570 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
5572 q = strchr(p, *p == '{' ? '}' : ')');
5573 if (q != NULL) *q = NULLCHAR;
5576 GameEnds(moveType, p, GE_FILE);
5578 if (cmailMsgLoaded) {
5580 flipView = WhiteOnMove(currentMove);
5581 if (moveType == GameUnfinished) flipView = !flipView;
5582 if (appData.debugMode)
5583 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
5587 case (ChessMove) 0: /* end of file */
5588 if (appData.debugMode)
5589 fprintf(debugFP, "Parser hit end of file\n");
5590 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5596 if (WhiteOnMove(currentMove)) {
5597 GameEnds(BlackWins, "Black mates", GE_FILE);
5599 GameEnds(WhiteWins, "White mates", GE_FILE);
5603 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
5610 if (lastLoadGameStart == GNUChessGame) {
5611 /* GNUChessGames have numbers, but they aren't move numbers */
5612 if (appData.debugMode)
5613 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
5614 yy_text, (int) moveType);
5615 return LoadGameOneMove((ChessMove)0); /* tail recursion */
5617 /* else fall thru */
5622 /* Reached start of next game in file */
5623 if (appData.debugMode)
5624 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
5625 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5631 if (WhiteOnMove(currentMove)) {
5632 GameEnds(BlackWins, "Black mates", GE_FILE);
5634 GameEnds(WhiteWins, "White mates", GE_FILE);
5638 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
5644 case PositionDiagram: /* should not happen; ignore */
5645 case ElapsedTime: /* ignore */
5646 case NAG: /* ignore */
5647 if (appData.debugMode)
5648 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
5649 yy_text, (int) moveType);
5650 return LoadGameOneMove((ChessMove)0); /* tail recursion */
5653 if (appData.testLegality) {
5654 if (appData.debugMode)
5655 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
5656 sprintf(move, _("Illegal move: %d.%s%s"),
5657 (forwardMostMove / 2) + 1,
5658 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5659 DisplayError(move, 0);
5662 if (appData.debugMode)
5663 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
5664 yy_text, currentMoveString);
5665 fromX = currentMoveString[0] - 'a';
5666 fromY = currentMoveString[1] - '1';
5667 toX = currentMoveString[2] - 'a';
5668 toY = currentMoveString[3] - '1';
5669 promoChar = currentMoveString[4];
5674 if (appData.debugMode)
5675 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
5676 sprintf(move, _("Ambiguous move: %d.%s%s"),
5677 (forwardMostMove / 2) + 1,
5678 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5679 DisplayError(move, 0);
5684 case ImpossibleMove:
5685 if (appData.debugMode)
5686 fprintf(debugFP, "Parsed ImpossibleMove: %s\n", yy_text);
5687 sprintf(move, _("Illegal move: %d.%s%s"),
5688 (forwardMostMove / 2) + 1,
5689 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5690 DisplayError(move, 0);
5696 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
5697 DrawPosition(FALSE, boards[currentMove]);
5698 DisplayBothClocks();
5699 if (!appData.matchMode && commentList[currentMove] != NULL)
5700 DisplayComment(currentMove - 1, commentList[currentMove]);
5702 (void) StopLoadGameTimer();
5704 cmailOldMove = forwardMostMove;
5707 /* currentMoveString is set as a side-effect of yylex */
5708 strcat(currentMoveString, "\n");
5709 strcpy(moveList[forwardMostMove], currentMoveString);
5711 thinkOutput[0] = NULLCHAR;
5712 MakeMove(fromX, fromY, toX, toY, promoChar);
5713 currentMove = forwardMostMove;
5718 /* Load the nth game from the given file */
5720 LoadGameFromFile(filename, n, title, useList)
5724 /*Boolean*/ int useList;
5729 if (strcmp(filename, "-") == 0) {
5733 f = fopen(filename, "rb");
5735 sprintf(buf, _("Can't open \"%s\""), filename);
5736 DisplayError(buf, errno);
5740 if (fseek(f, 0, 0) == -1) {
5741 /* f is not seekable; probably a pipe */
5744 if (useList && n == 0) {
5745 int error = GameListBuild(f);
5747 DisplayError(_("Cannot build game list"), error);
5748 } else if (!ListEmpty(&gameList) &&
5749 ((ListGame *) gameList.tailPred)->number > 1) {
5750 GameListPopUp(f, title);
5757 return LoadGame(f, n, title, FALSE);
5762 MakeRegisteredMove()
5764 int fromX, fromY, toX, toY;
5766 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
5767 switch (cmailMoveType[lastLoadGameNumber - 1]) {
5770 if (appData.debugMode)
5771 fprintf(debugFP, "Restoring %s for game %d\n",
5772 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
5774 thinkOutput[0] = NULLCHAR;
5775 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
5776 fromX = cmailMove[lastLoadGameNumber - 1][0] - 'a';
5777 fromY = cmailMove[lastLoadGameNumber - 1][1] - '1';
5778 toX = cmailMove[lastLoadGameNumber - 1][2] - 'a';
5779 toY = cmailMove[lastLoadGameNumber - 1][3] - '1';
5780 promoChar = cmailMove[lastLoadGameNumber - 1][4];
5781 MakeMove(fromX, fromY, toX, toY, promoChar);
5782 ShowMove(fromX, fromY, toX, toY);
5784 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5791 if (WhiteOnMove(currentMove)) {
5792 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5794 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5799 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5806 if (WhiteOnMove(currentMove)) {
5807 GameEnds(BlackWins, "White resigns", GE_PLAYER);
5809 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
5814 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
5825 /* Wrapper around LoadGame for use when a Cmail message is loaded */
5827 CmailLoadGame(f, gameNumber, title, useList)
5835 if (gameNumber > nCmailGames) {
5836 DisplayError(_("No more games in this message"), 0);
5839 if (f == lastLoadGameFP) {
5840 int offset = gameNumber - lastLoadGameNumber;
5842 cmailMsg[0] = NULLCHAR;
5843 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
5844 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
5845 nCmailMovesRegistered--;
5847 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5848 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
5849 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
5852 if (! RegisterMove()) return FALSE;
5856 retVal = LoadGame(f, gameNumber, title, useList);
5858 /* Make move registered during previous look at this game, if any */
5859 MakeRegisteredMove();
5861 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
5862 commentList[currentMove]
5863 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
5864 DisplayComment(currentMove - 1, commentList[currentMove]);
5870 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
5875 int gameNumber = lastLoadGameNumber + offset;
5876 if (lastLoadGameFP == NULL) {
5877 DisplayError(_("No game has been loaded yet"), 0);
5880 if (gameNumber <= 0) {
5881 DisplayError(_("Can't back up any further"), 0);
5884 if (cmailMsgLoaded) {
5885 return CmailLoadGame(lastLoadGameFP, gameNumber,
5886 lastLoadGameTitle, lastLoadGameUseList);
5888 return LoadGame(lastLoadGameFP, gameNumber,
5889 lastLoadGameTitle, lastLoadGameUseList);
5895 /* Load the nth game from open file f */
5897 LoadGame(f, gameNumber, title, useList)
5905 int gn = gameNumber;
5906 ListGame *lg = NULL;
5909 GameMode oldGameMode;
5911 if (appData.debugMode)
5912 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
5914 if (gameMode == Training )
5915 SetTrainingModeOff();
5917 oldGameMode = gameMode;
5918 if (gameMode != BeginningOfGame) {
5923 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
5924 fclose(lastLoadGameFP);
5928 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
5931 fseek(f, lg->offset, 0);
5932 GameListHighlight(gameNumber);
5936 DisplayError(_("Game number out of range"), 0);
5941 if (fseek(f, 0, 0) == -1) {
5942 if (f == lastLoadGameFP ?
5943 gameNumber == lastLoadGameNumber + 1 :
5947 DisplayError(_("Can't seek on game file"), 0);
5953 lastLoadGameNumber = gameNumber;
5954 strcpy(lastLoadGameTitle, title);
5955 lastLoadGameUseList = useList;
5960 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
5961 sprintf(buf, "%s vs. %s", lg->gameInfo.white,
5962 lg->gameInfo.black);
5964 } else if (*title != NULLCHAR) {
5965 if (gameNumber > 1) {
5966 sprintf(buf, "%s %d", title, gameNumber);
5969 DisplayTitle(title);
5973 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
5974 gameMode = PlayFromGameFile;
5978 currentMove = forwardMostMove = backwardMostMove = 0;
5979 CopyBoard(boards[0], initialPosition);
5983 * Skip the first gn-1 games in the file.
5984 * Also skip over anything that precedes an identifiable
5985 * start of game marker, to avoid being confused by
5986 * garbage at the start of the file. Currently
5987 * recognized start of game markers are the move number "1",
5988 * the pattern "gnuchess .* game", the pattern
5989 * "^[#;%] [^ ]* game file", and a PGN tag block.
5990 * A game that starts with one of the latter two patterns
5991 * will also have a move number 1, possibly
5992 * following a position diagram.
5993 * 5-4-02: Let's try being more lenient and allowing a game to
5994 * start with an unnumbered move. Does that break anything?
5996 cm = lastLoadGameStart = (ChessMove) 0;
5998 yyboardindex = forwardMostMove;
5999 cm = (ChessMove) yylex();
6002 if (cmailMsgLoaded) {
6003 nCmailGames = CMAIL_MAX_GAMES - gn;
6006 DisplayError(_("Game not found in file"), 0);
6013 lastLoadGameStart = cm;
6017 switch (lastLoadGameStart) {
6024 gn--; /* count this game */
6025 lastLoadGameStart = cm;
6034 switch (lastLoadGameStart) {
6039 gn--; /* count this game */
6040 lastLoadGameStart = cm;
6043 lastLoadGameStart = cm; /* game counted already */
6051 yyboardindex = forwardMostMove;
6052 cm = (ChessMove) yylex();
6053 } while (cm == PGNTag || cm == Comment);
6060 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
6061 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
6062 != CMAIL_OLD_RESULT) {
6064 cmailResult[ CMAIL_MAX_GAMES
6065 - gn - 1] = CMAIL_OLD_RESULT;
6071 /* Only a NormalMove can be at the start of a game
6072 * without a position diagram. */
6073 if (lastLoadGameStart == (ChessMove) 0) {
6075 lastLoadGameStart = MoveNumberOne;
6084 if (appData.debugMode)
6085 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
6087 if (cm == XBoardGame) {
6088 /* Skip any header junk before position diagram and/or move 1 */
6090 yyboardindex = forwardMostMove;
6091 cm = (ChessMove) yylex();
6093 if (cm == (ChessMove) 0 ||
6094 cm == GNUChessGame || cm == XBoardGame) {
6095 /* Empty game; pretend end-of-file and handle later */
6100 if (cm == MoveNumberOne || cm == PositionDiagram ||
6101 cm == PGNTag || cm == Comment)
6104 } else if (cm == GNUChessGame) {
6105 if (gameInfo.event != NULL) {
6106 free(gameInfo.event);
6108 gameInfo.event = StrSave(yy_text);
6111 startedFromSetupPosition = FALSE;
6112 while (cm == PGNTag) {
6113 if (appData.debugMode)
6114 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
6115 err = ParsePGNTag(yy_text, &gameInfo);
6116 if (!err) numPGNTags++;
6118 if (gameInfo.fen != NULL) {
6119 Board initial_position;
6120 startedFromSetupPosition = TRUE;
6121 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
6123 DisplayError(_("Bad FEN position in file"), 0);
6126 CopyBoard(boards[0], initial_position);
6127 if (blackPlaysFirst) {
6128 currentMove = forwardMostMove = backwardMostMove = 1;
6129 CopyBoard(boards[1], initial_position);
6130 strcpy(moveList[0], "");
6131 strcpy(parseList[0], "");
6132 timeRemaining[0][1] = whiteTimeRemaining;
6133 timeRemaining[1][1] = blackTimeRemaining;
6134 if (commentList[0] != NULL) {
6135 commentList[1] = commentList[0];
6136 commentList[0] = NULL;
6139 currentMove = forwardMostMove = backwardMostMove = 0;
6141 yyboardindex = forwardMostMove;
6143 gameInfo.fen = NULL;
6146 yyboardindex = forwardMostMove;
6147 cm = (ChessMove) yylex();
6149 /* Handle comments interspersed among the tags */
6150 while (cm == Comment) {
6152 if (appData.debugMode)
6153 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
6155 if (*p == '{' || *p == '[' || *p == '(') {
6156 p[strlen(p) - 1] = NULLCHAR;
6159 while (*p == '\n') p++;
6160 AppendComment(currentMove, p);
6161 yyboardindex = forwardMostMove;
6162 cm = (ChessMove) yylex();
6166 /* don't rely on existence of Event tag since if game was
6167 * pasted from clipboard the Event tag may not exist
6169 if (numPGNTags > 0){
6171 if (gameInfo.variant == VariantNormal) {
6172 gameInfo.variant = StringToVariant(gameInfo.event);
6175 tags = PGNTags(&gameInfo);
6176 TagsPopUp(tags, CmailMsg());
6180 /* Make something up, but don't display it now */
6185 if (cm == PositionDiagram) {
6188 Board initial_position;
6190 if (appData.debugMode)
6191 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
6193 if (!startedFromSetupPosition) {
6195 for (i = BOARD_SIZE - 1; i >= 0; i--)
6196 for (j = 0; j < BOARD_SIZE; p++)
6206 initial_position[i][j++] = CharToPiece(*p);
6209 while (*p == ' ' || *p == '\t' ||
6210 *p == '\n' || *p == '\r') p++;
6212 if (strncmp(p, "black", strlen("black"))==0)
6213 blackPlaysFirst = TRUE;
6215 blackPlaysFirst = FALSE;
6216 startedFromSetupPosition = TRUE;
6218 CopyBoard(boards[0], initial_position);
6219 if (blackPlaysFirst) {
6220 currentMove = forwardMostMove = backwardMostMove = 1;
6221 CopyBoard(boards[1], initial_position);
6222 strcpy(moveList[0], "");
6223 strcpy(parseList[0], "");
6224 timeRemaining[0][1] = whiteTimeRemaining;
6225 timeRemaining[1][1] = blackTimeRemaining;
6226 if (commentList[0] != NULL) {
6227 commentList[1] = commentList[0];
6228 commentList[0] = NULL;
6231 currentMove = forwardMostMove = backwardMostMove = 0;
6234 yyboardindex = forwardMostMove;
6235 cm = (ChessMove) yylex();
6238 if (first.pr == NoProc) {
6239 StartChessProgram(&first);
6241 InitChessProgram(&first);
6242 SendToProgram("force\n", &first);
6243 if (startedFromSetupPosition) {
6244 SendBoard(&first, forwardMostMove);
6245 DisplayBothClocks();
6248 while (cm == Comment) {
6250 if (appData.debugMode)
6251 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
6253 if (*p == '{' || *p == '[' || *p == '(') {
6254 p[strlen(p) - 1] = NULLCHAR;
6257 while (*p == '\n') p++;
6258 AppendComment(currentMove, p);
6259 yyboardindex = forwardMostMove;
6260 cm = (ChessMove) yylex();
6263 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
6264 cm == WhiteWins || cm == BlackWins ||
6265 cm == GameIsDrawn || cm == GameUnfinished) {
6266 DisplayMessage("", _("No moves in game"));
6267 if (cmailMsgLoaded) {
6268 if (appData.debugMode)
6269 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
6273 DrawPosition(FALSE, boards[currentMove]);
6274 DisplayBothClocks();
6275 gameMode = EditGame;
6282 if (commentList[currentMove] != NULL) {
6283 if (!matchMode && (pausing || appData.timeDelay != 0)) {
6284 DisplayComment(currentMove - 1, commentList[currentMove]);
6287 if (!matchMode && appData.timeDelay != 0)
6288 DrawPosition(FALSE, boards[currentMove]);
6290 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
6291 programStats.ok_to_send = 1;
6294 /* if the first token after the PGN tags is a move
6295 * and not move number 1, retrieve it from the parser
6297 if (cm != MoveNumberOne)
6298 LoadGameOneMove(cm);
6300 /* load the remaining moves from the file */
6301 while (LoadGameOneMove((ChessMove)0)) {
6302 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
6303 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
6306 /* rewind to the start of the game */
6307 currentMove = backwardMostMove;
6309 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
6311 if (oldGameMode == AnalyzeFile ||
6312 oldGameMode == AnalyzeMode) {
6316 if (matchMode || appData.timeDelay == 0) {
6318 gameMode = EditGame;
6320 } else if (appData.timeDelay > 0) {
6324 if (appData.debugMode)
6325 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
6329 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
6331 ReloadPosition(offset)
6334 int positionNumber = lastLoadPositionNumber + offset;
6335 if (lastLoadPositionFP == NULL) {
6336 DisplayError(_("No position has been loaded yet"), 0);
6339 if (positionNumber <= 0) {
6340 DisplayError(_("Can't back up any further"), 0);
6343 return LoadPosition(lastLoadPositionFP, positionNumber,
6344 lastLoadPositionTitle);
6347 /* Load the nth position from the given file */
6349 LoadPositionFromFile(filename, n, title)
6357 if (strcmp(filename, "-") == 0) {
6358 return LoadPosition(stdin, n, "stdin");
6360 f = fopen(filename, "rb");
6362 sprintf(buf, _("Can't open \"%s\""), filename);
6363 DisplayError(buf, errno);
6366 return LoadPosition(f, n, title);
6371 /* Load the nth position from the given open file, and close it */
6373 LoadPosition(f, positionNumber, title)
6378 char *p, line[MSG_SIZ];
6379 Board initial_position;
6380 int i, j, fenMode, pn;
6382 if (gameMode == Training )
6383 SetTrainingModeOff();
6385 if (gameMode != BeginningOfGame) {
6388 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
6389 fclose(lastLoadPositionFP);
6391 if (positionNumber == 0) positionNumber = 1;
6392 lastLoadPositionFP = f;
6393 lastLoadPositionNumber = positionNumber;
6394 strcpy(lastLoadPositionTitle, title);
6395 if (first.pr == NoProc) {
6396 StartChessProgram(&first);
6397 InitChessProgram(&first);
6399 pn = positionNumber;
6400 if (positionNumber < 0) {
6401 /* Negative position number means to seek to that byte offset */
6402 if (fseek(f, -positionNumber, 0) == -1) {
6403 DisplayError(_("Can't seek on position file"), 0);
6408 if (fseek(f, 0, 0) == -1) {
6409 if (f == lastLoadPositionFP ?
6410 positionNumber == lastLoadPositionNumber + 1 :
6411 positionNumber == 1) {
6414 DisplayError(_("Can't seek on position file"), 0);
6419 /* See if this file is FEN or old-style xboard */
6420 if (fgets(line, MSG_SIZ, f) == NULL) {
6421 DisplayError(_("Position not found in file"), 0);
6429 case 'p': case 'n': case 'b': case 'r': case 'q': case 'k':
6430 case 'P': case 'N': case 'B': case 'R': case 'Q': case 'K':
6431 case '1': case '2': case '3': case '4': case '5': case '6':
6438 if (fenMode || line[0] == '#') pn--;
6440 /* skip postions before number pn */
6441 if (fgets(line, MSG_SIZ, f) == NULL) {
6443 DisplayError(_("Position not found in file"), 0);
6446 if (fenMode || line[0] == '#') pn--;
6451 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
6452 DisplayError(_("Bad FEN position in file"), 0);
6456 (void) fgets(line, MSG_SIZ, f);
6457 (void) fgets(line, MSG_SIZ, f);
6459 for (i = BOARD_SIZE - 1; i >= 0; i--) {
6460 (void) fgets(line, MSG_SIZ, f);
6461 for (p = line, j = 0; j < BOARD_SIZE; p++) {
6464 initial_position[i][j++] = CharToPiece(*p);
6468 blackPlaysFirst = FALSE;
6470 (void) fgets(line, MSG_SIZ, f);
6471 if (strncmp(line, "black", strlen("black"))==0)
6472 blackPlaysFirst = TRUE;
6475 startedFromSetupPosition = TRUE;
6477 SendToProgram("force\n", &first);
6478 CopyBoard(boards[0], initial_position);
6479 if (blackPlaysFirst) {
6480 currentMove = forwardMostMove = backwardMostMove = 1;
6481 strcpy(moveList[0], "");
6482 strcpy(parseList[0], "");
6483 CopyBoard(boards[1], initial_position);
6484 DisplayMessage("", _("Black to play"));
6486 currentMove = forwardMostMove = backwardMostMove = 0;
6487 DisplayMessage("", _("White to play"));
6489 SendBoard(&first, forwardMostMove);
6491 if (positionNumber > 1) {
6492 sprintf(line, "%s %d", title, positionNumber);
6495 DisplayTitle(title);
6497 gameMode = EditGame;
6500 timeRemaining[0][1] = whiteTimeRemaining;
6501 timeRemaining[1][1] = blackTimeRemaining;
6502 DrawPosition(FALSE, boards[currentMove]);
6509 CopyPlayerNameIntoFileName(dest, src)
6512 while (*src != NULLCHAR && *src != ',') {
6517 *(*dest)++ = *src++;
6522 char *DefaultFileName(ext)
6525 static char def[MSG_SIZ];
6528 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
6530 CopyPlayerNameIntoFileName(&p, gameInfo.white);
6532 CopyPlayerNameIntoFileName(&p, gameInfo.black);
6541 /* Save the current game to the given file */
6543 SaveGameToFile(filename, append)
6550 if (strcmp(filename, "-") == 0) {
6551 return SaveGame(stdout, 0, NULL);
6553 f = fopen(filename, append ? "a" : "w");
6555 sprintf(buf, _("Can't open \"%s\""), filename);
6556 DisplayError(buf, errno);
6559 return SaveGame(f, 0, NULL);
6568 static char buf[MSG_SIZ];
6571 p = strchr(str, ' ');
6572 if (p == NULL) return str;
6573 strncpy(buf, str, p - str);
6574 buf[p - str] = NULLCHAR;
6578 #define PGN_MAX_LINE 75
6580 /* Save game in PGN style and close the file */
6585 int i, offset, linelen, newblock;
6589 int movelen, numlen, blank;
6591 tm = time((time_t *) NULL);
6593 PrintPGNTags(f, &gameInfo);
6595 if (backwardMostMove > 0 || startedFromSetupPosition) {
6596 char *fen = PositionToFEN(backwardMostMove);
6597 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
6598 fprintf(f, "\n{--------------\n");
6599 PrintPosition(f, backwardMostMove);
6600 fprintf(f, "--------------}\n");
6606 i = backwardMostMove;
6607 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
6611 while (i < forwardMostMove) {
6612 /* Print comments preceding this move */
6613 if (commentList[i] != NULL) {
6614 if (linelen > 0) fprintf(f, "\n");
6615 fprintf(f, "{\n%s}\n", commentList[i]);
6620 /* Format move number */
6622 sprintf(numtext, "%d.", (i - offset)/2 + 1);
6625 sprintf(numtext, "%d...", (i - offset)/2 + 1);
6627 numtext[0] = NULLCHAR;
6630 numlen = strlen(numtext);
6633 /* Print move number */
6634 blank = linelen > 0 && numlen > 0;
6635 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
6644 fprintf(f, numtext);
6648 movetext = SavePart(parseList[i]);
6649 movelen = strlen(movetext);
6652 blank = linelen > 0 && movelen > 0;
6653 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
6662 fprintf(f, movetext);
6668 /* Start a new line */
6669 if (linelen > 0) fprintf(f, "\n");
6671 /* Print comments after last move */
6672 if (commentList[i] != NULL) {
6673 fprintf(f, "{\n%s}\n", commentList[i]);
6677 if (gameInfo.resultDetails != NULL &&
6678 gameInfo.resultDetails[0] != NULLCHAR) {
6679 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
6680 PGNResult(gameInfo.result));
6682 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
6689 /* Save game in old style and close the file */
6697 tm = time((time_t *) NULL);
6699 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
6702 if (backwardMostMove > 0 || startedFromSetupPosition) {
6703 fprintf(f, "\n[--------------\n");
6704 PrintPosition(f, backwardMostMove);
6705 fprintf(f, "--------------]\n");
6710 i = backwardMostMove;
6711 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
6713 while (i < forwardMostMove) {
6714 if (commentList[i] != NULL) {
6715 fprintf(f, "[%s]\n", commentList[i]);
6719 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
6722 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
6724 if (commentList[i] != NULL) {
6728 if (i >= forwardMostMove) {
6732 fprintf(f, "%s\n", parseList[i]);
6737 if (commentList[i] != NULL) {
6738 fprintf(f, "[%s]\n", commentList[i]);
6741 /* This isn't really the old style, but it's close enough */
6742 if (gameInfo.resultDetails != NULL &&
6743 gameInfo.resultDetails[0] != NULLCHAR) {
6744 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
6745 gameInfo.resultDetails);
6747 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
6754 /* Save the current game to open file f and close the file */
6756 SaveGame(f, dummy, dummy2)
6761 if (gameMode == EditPosition) EditPositionDone();
6762 if (appData.oldSaveStyle)
6763 return SaveGameOldStyle(f);
6765 return SaveGamePGN(f);
6768 /* Save the current position to the given file */
6770 SavePositionToFile(filename)
6776 if (strcmp(filename, "-") == 0) {
6777 return SavePosition(stdout, 0, NULL);
6779 f = fopen(filename, "a");
6781 sprintf(buf, _("Can't open \"%s\""), filename);
6782 DisplayError(buf, errno);
6785 SavePosition(f, 0, NULL);
6791 /* Save the current position to the given open file and close the file */
6793 SavePosition(f, dummy, dummy2)
6801 if (appData.oldSaveStyle) {
6802 tm = time((time_t *) NULL);
6804 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
6806 fprintf(f, "[--------------\n");
6807 PrintPosition(f, currentMove);
6808 fprintf(f, "--------------]\n");
6810 fen = PositionToFEN(currentMove);
6811 fprintf(f, "%s\n", fen);
6819 ReloadCmailMsgEvent(unregister)
6823 static char *inFilename = NULL;
6824 static char *outFilename;
6826 struct stat inbuf, outbuf;
6829 /* Any registered moves are unregistered if unregister is set, */
6830 /* i.e. invoked by the signal handler */
6832 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
6833 cmailMoveRegistered[i] = FALSE;
6834 if (cmailCommentList[i] != NULL) {
6835 free(cmailCommentList[i]);
6836 cmailCommentList[i] = NULL;
6839 nCmailMovesRegistered = 0;
6842 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
6843 cmailResult[i] = CMAIL_NOT_RESULT;
6847 if (inFilename == NULL) {
6848 /* Because the filenames are static they only get malloced once */
6849 /* and they never get freed */
6850 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
6851 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
6853 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
6854 sprintf(outFilename, "%s.out", appData.cmailGameName);
6857 status = stat(outFilename, &outbuf);
6859 cmailMailedMove = FALSE;
6861 status = stat(inFilename, &inbuf);
6862 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
6865 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
6866 counts the games, notes how each one terminated, etc.
6868 It would be nice to remove this kludge and instead gather all
6869 the information while building the game list. (And to keep it
6870 in the game list nodes instead of having a bunch of fixed-size
6871 parallel arrays.) Note this will require getting each game's
6872 termination from the PGN tags, as the game list builder does
6873 not process the game moves. --mann
6875 cmailMsgLoaded = TRUE;
6876 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
6878 /* Load first game in the file or popup game menu */
6879 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
6889 char string[MSG_SIZ];
6891 if ( cmailMailedMove
6892 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
6893 return TRUE; /* Allow free viewing */
6896 /* Unregister move to ensure that we don't leave RegisterMove */
6897 /* with the move registered when the conditions for registering no */
6899 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
6900 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
6901 nCmailMovesRegistered --;
6903 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
6905 free(cmailCommentList[lastLoadGameNumber - 1]);
6906 cmailCommentList[lastLoadGameNumber - 1] = NULL;
6910 if (cmailOldMove == -1) {
6911 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
6915 if (currentMove > cmailOldMove + 1) {
6916 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
6920 if (currentMove < cmailOldMove) {
6921 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
6925 if (forwardMostMove > currentMove) {
6926 /* Silently truncate extra moves */
6930 if ( (currentMove == cmailOldMove + 1)
6931 || ( (currentMove == cmailOldMove)
6932 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
6933 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
6934 if (gameInfo.result != GameUnfinished) {
6935 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
6938 if (commentList[currentMove] != NULL) {
6939 cmailCommentList[lastLoadGameNumber - 1]
6940 = StrSave(commentList[currentMove]);
6942 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
6944 if (appData.debugMode)
6945 fprintf(debugFP, "Saving %s for game %d\n",
6946 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
6949 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
6951 f = fopen(string, "w");
6952 if (appData.oldSaveStyle) {
6953 SaveGameOldStyle(f); /* also closes the file */
6955 sprintf(string, "%s.pos.out", appData.cmailGameName);
6956 f = fopen(string, "w");
6957 SavePosition(f, 0, NULL); /* also closes the file */
6959 fprintf(f, "{--------------\n");
6960 PrintPosition(f, currentMove);
6961 fprintf(f, "--------------}\n\n");
6963 SaveGame(f, 0, NULL); /* also closes the file*/
6966 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
6967 nCmailMovesRegistered ++;
6968 } else if (nCmailGames == 1) {
6969 DisplayError(_("You have not made a move yet"), 0);
6980 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
6981 FILE *commandOutput;
6982 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
6983 int nBytes = 0; /* Suppress warnings on uninitialized variables */
6989 if (! cmailMsgLoaded) {
6990 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
6994 if (nCmailGames == nCmailResults) {
6995 DisplayError(_("No unfinished games"), 0);
6999 #if CMAIL_PROHIBIT_REMAIL
7000 if (cmailMailedMove) {
7001 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);
7002 DisplayError(msg, 0);
7007 if (! (cmailMailedMove || RegisterMove())) return;
7009 if ( cmailMailedMove
7010 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
7011 sprintf(string, partCommandString,
7012 appData.debugMode ? " -v" : "", appData.cmailGameName);
7013 commandOutput = popen(string, "r");
7015 if (commandOutput == NULL) {
7016 DisplayError(_("Failed to invoke cmail"), 0);
7018 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
7019 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
7022 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
7023 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
7024 nBytes = MSG_SIZ - 1;
7026 (void) memcpy(msg, buffer, nBytes);
7028 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
7030 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
7031 cmailMailedMove = TRUE; /* Prevent >1 moves */
7034 for (i = 0; i < nCmailGames; i ++) {
7035 if (cmailResult[i] == CMAIL_NOT_RESULT) {
7040 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
7042 sprintf(buffer, "%s/%s.%s.archive",
7044 appData.cmailGameName,
7046 LoadGameFromFile(buffer, 1, buffer, FALSE);
7047 cmailMsgLoaded = FALSE;
7051 DisplayInformation(msg);
7052 pclose(commandOutput);
7055 if ((*cmailMsg) != '\0') {
7056 DisplayInformation(cmailMsg);
7070 int prependComma = 0;
7072 char string[MSG_SIZ]; /* Space for game-list */
7075 if (!cmailMsgLoaded) return "";
7077 if (cmailMailedMove) {
7078 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
7080 /* Create a list of games left */
7081 sprintf(string, "[");
7082 for (i = 0; i < nCmailGames; i ++) {
7083 if (! ( cmailMoveRegistered[i]
7084 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
7086 sprintf(number, ",%d", i + 1);
7088 sprintf(number, "%d", i + 1);
7092 strcat(string, number);
7095 strcat(string, "]");
7097 if (nCmailMovesRegistered + nCmailResults == 0) {
7098 switch (nCmailGames) {
7101 _("Still need to make move for game\n"));
7106 _("Still need to make moves for both games\n"));
7111 _("Still need to make moves for all %d games\n"),
7116 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
7119 _("Still need to make a move for game %s\n"),
7124 if (nCmailResults == nCmailGames) {
7125 sprintf(cmailMsg, _("No unfinished games\n"));
7127 sprintf(cmailMsg, _("Ready to send mail\n"));
7133 _("Still need to make moves for games %s\n"),
7145 if (gameMode == Training)
7146 SetTrainingModeOff();
7149 cmailMsgLoaded = FALSE;
7150 if (appData.icsActive) {
7151 SendToICS(ics_prefix);
7152 SendToICS("refresh\n");
7156 static int exiting = 0;
7164 /* Give up on clean exit */
7168 /* Keep trying for clean exit */
7172 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
7174 if (telnetISR != NULL) {
7175 RemoveInputSource(telnetISR);
7177 if (icsPR != NoProc) {
7178 DestroyChildProcess(icsPR, TRUE);
7180 /* Save game if resource set and not already saved by GameEnds() */
7181 if (gameInfo.resultDetails == NULL && forwardMostMove > 0) {
7182 if (*appData.saveGameFile != NULLCHAR) {
7183 SaveGameToFile(appData.saveGameFile, TRUE);
7184 } else if (appData.autoSaveGames) {
7187 if (*appData.savePositionFile != NULLCHAR) {
7188 SavePositionToFile(appData.savePositionFile);
7191 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
7193 /* Kill off chess programs */
7194 if (first.pr != NoProc) {
7196 SendToProgram("quit\n", &first);
7197 DestroyChildProcess(first.pr, first.useSigterm);
7199 if (second.pr != NoProc) {
7200 SendToProgram("quit\n", &second);
7201 DestroyChildProcess(second.pr, second.useSigterm);
7203 if (first.isr != NULL) {
7204 RemoveInputSource(first.isr);
7206 if (second.isr != NULL) {
7207 RemoveInputSource(second.isr);
7217 if (appData.debugMode)
7218 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
7222 if (gameMode == MachinePlaysWhite ||
7223 gameMode == MachinePlaysBlack) {
7226 DisplayBothClocks();
7228 if (gameMode == PlayFromGameFile) {
7229 if (appData.timeDelay >= 0)
7231 } else if (gameMode == IcsExamining && pauseExamInvalid) {
7233 SendToICS(ics_prefix);
7234 SendToICS("refresh\n");
7235 } else if (currentMove < forwardMostMove) {
7236 ForwardInner(forwardMostMove);
7238 pauseExamInvalid = FALSE;
7244 pauseExamForwardMostMove = forwardMostMove;
7245 pauseExamInvalid = FALSE;
7248 case IcsPlayingWhite:
7249 case IcsPlayingBlack:
7253 case PlayFromGameFile:
7254 (void) StopLoadGameTimer();
7258 case BeginningOfGame:
7259 if (appData.icsActive) return;
7260 /* else fall through */
7261 case MachinePlaysWhite:
7262 case MachinePlaysBlack:
7263 case TwoMachinesPlay:
7264 if (forwardMostMove == 0)
7265 return; /* don't pause if no one has moved */
7266 if ((gameMode == MachinePlaysWhite &&
7267 !WhiteOnMove(forwardMostMove)) ||
7268 (gameMode == MachinePlaysBlack &&
7269 WhiteOnMove(forwardMostMove))) {
7282 char title[MSG_SIZ];
7284 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
7285 strcpy(title, _("Edit comment"));
7287 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
7288 WhiteOnMove(currentMove - 1) ? " " : ".. ",
7289 parseList[currentMove - 1]);
7292 EditCommentPopUp(currentMove, title, commentList[currentMove]);
7299 char *tags = PGNTags(&gameInfo);
7300 EditTagsPopUp(tags);
7307 if (appData.noChessProgram || gameMode == AnalyzeMode)
7310 if (gameMode != AnalyzeFile) {
7311 if (!appData.icsEngineAnalyze) {
7313 if (gameMode != EditGame) return;
7315 ResurrectChessProgram();
7316 SendToProgram("analyze\n", &first);
7317 first.analyzing = TRUE;
7318 /*first.maybeThinking = TRUE;*/
7319 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
7320 AnalysisPopUp(_("Analysis"),
7321 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
7323 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
7328 StartAnalysisClock();
7329 GetTimeMark(&lastNodeCountTime);
7336 if (appData.noChessProgram || gameMode == AnalyzeFile)
7339 if (gameMode != AnalyzeMode) {
7341 if (gameMode != EditGame) return;
7342 ResurrectChessProgram();
7343 SendToProgram("analyze\n", &first);
7344 first.analyzing = TRUE;
7345 /*first.maybeThinking = TRUE;*/
7346 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
7347 AnalysisPopUp(_("Analysis"),
7348 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
7350 gameMode = AnalyzeFile;
7355 StartAnalysisClock();
7356 GetTimeMark(&lastNodeCountTime);
7365 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
7369 if (gameMode == PlayFromGameFile ||
7370 gameMode == TwoMachinesPlay ||
7371 gameMode == Training ||
7372 gameMode == AnalyzeMode ||
7373 gameMode == EndOfGame)
7376 if (gameMode == EditPosition)
7379 if (!WhiteOnMove(currentMove)) {
7380 DisplayError(_("It is not White's turn"), 0);
7384 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
7387 if (gameMode == EditGame || gameMode == AnalyzeMode ||
7388 gameMode == AnalyzeFile)
7391 ResurrectChessProgram(); /* in case it isn't running */
7392 gameMode = MachinePlaysWhite;
7396 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7398 if (first.sendName) {
7399 sprintf(buf, "name %s\n", gameInfo.black);
7400 SendToProgram(buf, &first);
7402 if (first.sendTime) {
7403 if (first.useColors) {
7404 SendToProgram("black\n", &first); /*gnu kludge*/
7406 SendTimeRemaining(&first, TRUE);
7408 if (first.useColors) {
7409 SendToProgram("white\ngo\n", &first);
7411 SendToProgram("go\n", &first);
7413 SetMachineThinkingEnables();
7414 first.maybeThinking = TRUE;
7417 if (appData.autoFlipView && !flipView) {
7418 flipView = !flipView;
7419 DrawPosition(FALSE, NULL);
7428 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
7432 if (gameMode == PlayFromGameFile ||
7433 gameMode == TwoMachinesPlay ||
7434 gameMode == Training ||
7435 gameMode == AnalyzeMode ||
7436 gameMode == EndOfGame)
7439 if (gameMode == EditPosition)
7442 if (WhiteOnMove(currentMove)) {
7443 DisplayError(_("It is not Black's turn"), 0);
7447 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
7450 if (gameMode == EditGame || gameMode == AnalyzeMode ||
7451 gameMode == AnalyzeFile)
7454 ResurrectChessProgram(); /* in case it isn't running */
7455 gameMode = MachinePlaysBlack;
7459 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7461 if (first.sendName) {
7462 sprintf(buf, "name %s\n", gameInfo.white);
7463 SendToProgram(buf, &first);
7465 if (first.sendTime) {
7466 if (first.useColors) {
7467 SendToProgram("white\n", &first); /*gnu kludge*/
7469 SendTimeRemaining(&first, FALSE);
7471 if (first.useColors) {
7472 SendToProgram("black\ngo\n", &first);
7474 SendToProgram("go\n", &first);
7476 SetMachineThinkingEnables();
7477 first.maybeThinking = TRUE;
7480 if (appData.autoFlipView && flipView) {
7481 flipView = !flipView;
7482 DrawPosition(FALSE, NULL);
7488 DisplayTwoMachinesTitle()
7491 if (appData.matchGames > 0) {
7492 if (first.twoMachinesColor[0] == 'w') {
7493 sprintf(buf, "%s vs. %s (%d-%d-%d)",
7494 gameInfo.white, gameInfo.black,
7495 first.matchWins, second.matchWins,
7496 matchGame - 1 - (first.matchWins + second.matchWins));
7498 sprintf(buf, "%s vs. %s (%d-%d-%d)",
7499 gameInfo.white, gameInfo.black,
7500 second.matchWins, first.matchWins,
7501 matchGame - 1 - (first.matchWins + second.matchWins));
7504 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7510 TwoMachinesEvent P((void))
7514 ChessProgramState *onmove;
7516 if (appData.noChessProgram) return;
7519 case TwoMachinesPlay:
7521 case MachinePlaysWhite:
7522 case MachinePlaysBlack:
7523 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
7524 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
7528 case BeginningOfGame:
7529 case PlayFromGameFile:
7532 if (gameMode != EditGame) return;
7546 forwardMostMove = currentMove;
7547 ResurrectChessProgram(); /* in case first program isn't running */
7549 if (second.pr == NULL) {
7550 StartChessProgram(&second);
7551 if (second.protocolVersion == 1) {
7552 TwoMachinesEventIfReady();
7554 /* kludge: allow timeout for initial "feature" command */
7556 DisplayMessage("", _("Starting second chess program"));
7557 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
7561 DisplayMessage("", "");
7562 InitChessProgram(&second);
7563 SendToProgram("force\n", &second);
7564 if (startedFromSetupPosition) {
7565 SendBoard(&second, backwardMostMove);
7567 for (i = backwardMostMove; i < forwardMostMove; i++) {
7568 SendMoveToProgram(i, &second);
7571 gameMode = TwoMachinesPlay;
7575 DisplayTwoMachinesTitle();
7577 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
7583 SendToProgram(first.computerString, &first);
7584 if (first.sendName) {
7585 sprintf(buf, "name %s\n", second.tidy);
7586 SendToProgram(buf, &first);
7588 SendToProgram(second.computerString, &second);
7589 if (second.sendName) {
7590 sprintf(buf, "name %s\n", first.tidy);
7591 SendToProgram(buf, &second);
7594 if (!first.sendTime || !second.sendTime) {
7596 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7597 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7599 if (onmove->sendTime) {
7600 if (onmove->useColors) {
7601 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
7603 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
7605 if (onmove->useColors) {
7606 SendToProgram(onmove->twoMachinesColor, onmove);
7608 SendToProgram("go\n", onmove);
7609 onmove->maybeThinking = TRUE;
7610 SetMachineThinkingEnables();
7618 if (gameMode == Training) {
7619 SetTrainingModeOff();
7620 gameMode = PlayFromGameFile;
7621 DisplayMessage("", _("Training mode off"));
7623 gameMode = Training;
7624 animateTraining = appData.animate;
7626 /* make sure we are not already at the end of the game */
7627 if (currentMove < forwardMostMove) {
7628 SetTrainingModeOn();
7629 DisplayMessage("", _("Training mode on"));
7631 gameMode = PlayFromGameFile;
7632 DisplayError(_("Already at end of game"), 0);
7641 if (!appData.icsActive) return;
7643 case IcsPlayingWhite:
7644 case IcsPlayingBlack:
7647 case BeginningOfGame:
7681 SetTrainingModeOff();
7683 case MachinePlaysWhite:
7684 case MachinePlaysBlack:
7685 case BeginningOfGame:
7686 SendToProgram("force\n", &first);
7687 SetUserThinkingEnables();
7689 case PlayFromGameFile:
7690 (void) StopLoadGameTimer();
7691 if (gameFileFP != NULL) {
7701 SendToProgram("force\n", &first);
7703 case TwoMachinesPlay:
7704 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
7705 ResurrectChessProgram();
7706 SetUserThinkingEnables();
7709 ResurrectChessProgram();
7711 case IcsPlayingBlack:
7712 case IcsPlayingWhite:
7713 DisplayError(_("Warning: You are still playing a game"), 0);
7716 DisplayError(_("Warning: You are still observing a game"), 0);
7719 DisplayError(_("Warning: You are still examining a game"), 0);
7730 first.offeredDraw = second.offeredDraw = 0;
7732 if (gameMode == PlayFromGameFile) {
7733 whiteTimeRemaining = timeRemaining[0][currentMove];
7734 blackTimeRemaining = timeRemaining[1][currentMove];
7738 if (gameMode == MachinePlaysWhite ||
7739 gameMode == MachinePlaysBlack ||
7740 gameMode == TwoMachinesPlay ||
7741 gameMode == EndOfGame) {
7742 i = forwardMostMove;
7743 while (i > currentMove) {
7744 SendToProgram("undo\n", &first);
7747 whiteTimeRemaining = timeRemaining[0][currentMove];
7748 blackTimeRemaining = timeRemaining[1][currentMove];
7749 DisplayBothClocks();
7750 if (whiteFlag || blackFlag) {
7751 whiteFlag = blackFlag = 0;
7756 gameMode = EditGame;
7765 if (gameMode == EditPosition) {
7771 if (gameMode != EditGame) return;
7773 gameMode = EditPosition;
7776 if (currentMove > 0)
7777 CopyBoard(boards[0], boards[currentMove]);
7779 blackPlaysFirst = !WhiteOnMove(currentMove);
7781 currentMove = forwardMostMove = backwardMostMove = 0;
7782 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
7789 /* icsEngineAnalyze - possible call from other functions */
7790 if (appData.icsEngineAnalyze) {
7791 appData.icsEngineAnalyze = FALSE;
7792 DisplayMessage("","Close ICS engine analyze...");
7794 if (first.analysisSupport && first.analyzing) {
7795 SendToProgram("exit\n", &first);
7796 first.analyzing = FALSE;
7799 thinkOutput[0] = NULLCHAR;
7805 startedFromSetupPosition = TRUE;
7806 InitChessProgram(&first);
7807 SendToProgram("force\n", &first);
7808 if (blackPlaysFirst) {
7809 strcpy(moveList[0], "");
7810 strcpy(parseList[0], "");
7811 currentMove = forwardMostMove = backwardMostMove = 1;
7812 CopyBoard(boards[1], boards[0]);
7814 currentMove = forwardMostMove = backwardMostMove = 0;
7816 SendBoard(&first, forwardMostMove);
7818 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7819 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7820 gameMode = EditGame;
7822 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
7825 /* Pause for `ms' milliseconds */
7826 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
7836 } while (SubtractTimeMarks(&m2, &m1) < ms);
7839 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
7841 SendMultiLineToICS(buf)
7844 char temp[MSG_SIZ+1], *p;
7851 strncpy(temp, buf, len);
7856 if (*p == '\n' || *p == '\r')
7863 SendToPlayer(temp, strlen(temp));
7867 SetWhiteToPlayEvent()
7869 if (gameMode == EditPosition) {
7870 blackPlaysFirst = FALSE;
7871 DisplayBothClocks(); /* works because currentMove is 0 */
7872 } else if (gameMode == IcsExamining) {
7873 SendToICS(ics_prefix);
7874 SendToICS("tomove white\n");
7879 SetBlackToPlayEvent()
7881 if (gameMode == EditPosition) {
7882 blackPlaysFirst = TRUE;
7883 currentMove = 1; /* kludge */
7884 DisplayBothClocks();
7886 } else if (gameMode == IcsExamining) {
7887 SendToICS(ics_prefix);
7888 SendToICS("tomove black\n");
7893 EditPositionMenuEvent(selection, x, y)
7894 ChessSquare selection;
7899 if (gameMode != EditPosition && gameMode != IcsExamining) return;
7901 switch (selection) {
7903 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
7904 SendToICS(ics_prefix);
7905 SendToICS("bsetup clear\n");
7906 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
7907 SendToICS(ics_prefix);
7908 SendToICS("clearboard\n");
7910 for (x = 0; x < BOARD_SIZE; x++) {
7911 for (y = 0; y < BOARD_SIZE; y++) {
7912 if (gameMode == IcsExamining) {
7913 if (boards[currentMove][y][x] != EmptySquare) {
7914 sprintf(buf, "%sx@%c%c\n", ics_prefix,
7919 boards[0][y][x] = EmptySquare;
7924 if (gameMode == EditPosition) {
7925 DrawPosition(FALSE, boards[0]);
7930 SetWhiteToPlayEvent();
7934 SetBlackToPlayEvent();
7938 if (gameMode == IcsExamining) {
7939 sprintf(buf, "%sx@%c%c\n", ics_prefix, 'a' + x, '1' + y);
7942 boards[0][y][x] = EmptySquare;
7943 DrawPosition(FALSE, boards[0]);
7948 if (gameMode == IcsExamining) {
7949 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
7950 PieceToChar(selection), 'a' + x, '1' + y);
7953 boards[0][y][x] = selection;
7954 DrawPosition(FALSE, boards[0]);
7962 DropMenuEvent(selection, x, y)
7963 ChessSquare selection;
7969 case IcsPlayingWhite:
7970 case MachinePlaysBlack:
7971 if (!WhiteOnMove(currentMove)) {
7972 DisplayMoveError(_("It is Black's turn"));
7975 moveType = WhiteDrop;
7977 case IcsPlayingBlack:
7978 case MachinePlaysWhite:
7979 if (WhiteOnMove(currentMove)) {
7980 DisplayMoveError(_("It is White's turn"));
7983 moveType = BlackDrop;
7986 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7992 if (moveType == BlackDrop && selection < BlackPawn) {
7993 selection = (ChessSquare) ((int) selection
7994 + (int) BlackPawn - (int) WhitePawn);
7996 if (boards[currentMove][y][x] != EmptySquare) {
7997 DisplayMoveError(_("That square is occupied"));
8001 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
8007 /* Accept a pending offer of any kind from opponent */
8009 if (appData.icsActive) {
8010 SendToICS(ics_prefix);
8011 SendToICS("accept\n");
8012 } else if (cmailMsgLoaded) {
8013 if (currentMove == cmailOldMove &&
8014 commentList[cmailOldMove] != NULL &&
8015 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
8016 "Black offers a draw" : "White offers a draw")) {
8018 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8019 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
8021 DisplayError(_("There is no pending offer on this move"), 0);
8022 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8025 /* Not used for offers from chess program */
8032 /* Decline a pending offer of any kind from opponent */
8034 if (appData.icsActive) {
8035 SendToICS(ics_prefix);
8036 SendToICS("decline\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")) {
8043 AppendComment(cmailOldMove, "Draw declined");
8044 DisplayComment(cmailOldMove - 1, "Draw declined");
8047 DisplayError(_("There is no pending offer on this move"), 0);
8050 /* Not used for offers from chess program */
8057 /* Issue ICS rematch command */
8058 if (appData.icsActive) {
8059 SendToICS(ics_prefix);
8060 SendToICS("rematch\n");
8067 /* Call your opponent's flag (claim a win on time) */
8068 if (appData.icsActive) {
8069 SendToICS(ics_prefix);
8070 SendToICS("flag\n");
8075 case MachinePlaysWhite:
8078 GameEnds(GameIsDrawn, "Both players ran out of time",
8081 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
8083 DisplayError(_("Your opponent is not out of time"), 0);
8086 case MachinePlaysBlack:
8089 GameEnds(GameIsDrawn, "Both players ran out of time",
8092 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
8094 DisplayError(_("Your opponent is not out of time"), 0);
8104 /* Offer draw or accept pending draw offer from opponent */
8106 if (appData.icsActive) {
8107 /* Note: tournament rules require draw offers to be
8108 made after you make your move but before you punch
8109 your clock. Currently ICS doesn't let you do that;
8110 instead, you immediately punch your clock after making
8111 a move, but you can offer a draw at any time. */
8113 SendToICS(ics_prefix);
8114 SendToICS("draw\n");
8115 } else if (cmailMsgLoaded) {
8116 if (currentMove == cmailOldMove &&
8117 commentList[cmailOldMove] != NULL &&
8118 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
8119 "Black offers a draw" : "White offers a draw")) {
8120 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8121 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
8122 } else if (currentMove == cmailOldMove + 1) {
8123 char *offer = WhiteOnMove(cmailOldMove) ?
8124 "White offers a draw" : "Black offers a draw";
8125 AppendComment(currentMove, offer);
8126 DisplayComment(currentMove - 1, offer);
8127 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
8129 DisplayError(_("You must make your move before offering a draw"), 0);
8130 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8132 } else if (first.offeredDraw) {
8133 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8135 if (first.sendDrawOffers) {
8136 SendToProgram("draw\n", &first);
8137 userOfferedDraw = TRUE;
8145 /* Offer Adjourn or accept pending Adjourn offer from opponent */
8147 if (appData.icsActive) {
8148 SendToICS(ics_prefix);
8149 SendToICS("adjourn\n");
8151 /* Currently GNU Chess doesn't offer or accept Adjourns */
8159 /* Offer Abort or accept pending Abort offer from opponent */
8161 if (appData.icsActive) {
8162 SendToICS(ics_prefix);
8163 SendToICS("abort\n");
8165 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
8172 /* Resign. You can do this even if it's not your turn. */
8174 if (appData.icsActive) {
8175 SendToICS(ics_prefix);
8176 SendToICS("resign\n");
8179 case MachinePlaysWhite:
8180 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8182 case MachinePlaysBlack:
8183 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8186 if (cmailMsgLoaded) {
8188 if (WhiteOnMove(cmailOldMove)) {
8189 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8191 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8193 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
8204 StopObservingEvent()
8206 /* Stop observing current games */
8207 SendToICS(ics_prefix);
8208 SendToICS("unobserve\n");
8212 StopExaminingEvent()
8214 /* Stop observing current game */
8215 SendToICS(ics_prefix);
8216 SendToICS("unexamine\n");
8220 ForwardInner(target)
8225 if (appData.debugMode)
8226 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
8227 target, currentMove, forwardMostMove);
8229 if (gameMode == EditPosition)
8232 if (gameMode == PlayFromGameFile && !pausing)
8235 if (gameMode == IcsExamining && pausing)
8236 limit = pauseExamForwardMostMove;
8238 limit = forwardMostMove;
8240 if (target > limit) target = limit;
8242 if (target > 0 && moveList[target - 1][0]) {
8243 int fromX, fromY, toX, toY;
8244 toX = moveList[target - 1][2] - 'a';
8245 toY = moveList[target - 1][3] - '1';
8246 if (moveList[target - 1][1] == '@') {
8247 if (appData.highlightLastMove) {
8248 SetHighlights(-1, -1, toX, toY);
8251 fromX = moveList[target - 1][0] - 'a';
8252 fromY = moveList[target - 1][1] - '1';
8253 if (target == currentMove + 1) {
8254 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8256 if (appData.highlightLastMove) {
8257 SetHighlights(fromX, fromY, toX, toY);
8261 if (gameMode == EditGame || gameMode == AnalyzeMode ||
8262 gameMode == Training || gameMode == PlayFromGameFile ||
8263 gameMode == AnalyzeFile) {
8264 while (currentMove < target) {
8265 SendMoveToProgram(currentMove++, &first);
8268 currentMove = target;
8271 if (gameMode == EditGame || gameMode == EndOfGame) {
8272 whiteTimeRemaining = timeRemaining[0][currentMove];
8273 blackTimeRemaining = timeRemaining[1][currentMove];
8275 DisplayBothClocks();
8276 DisplayMove(currentMove - 1);
8277 DrawPosition(FALSE, boards[currentMove]);
8278 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8279 if (commentList[currentMove] && !matchMode && gameMode != Training) {
8280 DisplayComment(currentMove - 1, commentList[currentMove]);
8288 if (gameMode == IcsExamining && !pausing) {
8289 SendToICS(ics_prefix);
8290 SendToICS("forward\n");
8292 ForwardInner(currentMove + 1);
8299 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8300 /* to optimze, we temporarily turn off analysis mode while we feed
8301 * the remaining moves to the engine. Otherwise we get analysis output
8304 if (first.analysisSupport) {
8305 SendToProgram("exit\nforce\n", &first);
8306 first.analyzing = FALSE;
8310 if (gameMode == IcsExamining && !pausing) {
8311 SendToICS(ics_prefix);
8312 SendToICS("forward 999999\n");
8314 ForwardInner(forwardMostMove);
8317 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8318 /* we have fed all the moves, so reactivate analysis mode */
8319 SendToProgram("analyze\n", &first);
8320 first.analyzing = TRUE;
8321 /*first.maybeThinking = TRUE;*/
8322 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
8327 BackwardInner(target)
8330 if (appData.debugMode)
8331 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
8332 target, currentMove, forwardMostMove);
8334 if (gameMode == EditPosition) return;
8335 if (currentMove <= backwardMostMove) {
8337 DrawPosition(FALSE, boards[currentMove]);
8340 if (gameMode == PlayFromGameFile && !pausing)
8343 if (moveList[target][0]) {
8344 int fromX, fromY, toX, toY;
8345 toX = moveList[target][2] - 'a';
8346 toY = moveList[target][3] - '1';
8347 if (moveList[target][1] == '@') {
8348 if (appData.highlightLastMove) {
8349 SetHighlights(-1, -1, toX, toY);
8352 fromX = moveList[target][0] - 'a';
8353 fromY = moveList[target][1] - '1';
8354 if (target == currentMove - 1) {
8355 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
8357 if (appData.highlightLastMove) {
8358 SetHighlights(fromX, fromY, toX, toY);
8362 if (gameMode == EditGame || gameMode==AnalyzeMode ||
8363 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8364 while (currentMove > target) {
8365 SendToProgram("undo\n", &first);
8369 currentMove = target;
8372 if (gameMode == EditGame || gameMode == EndOfGame) {
8373 whiteTimeRemaining = timeRemaining[0][currentMove];
8374 blackTimeRemaining = timeRemaining[1][currentMove];
8376 DisplayBothClocks();
8377 DisplayMove(currentMove - 1);
8378 DrawPosition(FALSE, boards[currentMove]);
8379 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8380 if (commentList[currentMove] != NULL) {
8381 DisplayComment(currentMove - 1, commentList[currentMove]);
8388 if (gameMode == IcsExamining && !pausing) {
8389 SendToICS(ics_prefix);
8390 SendToICS("backward\n");
8392 BackwardInner(currentMove - 1);
8399 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8400 /* to optimze, we temporarily turn off analysis mode while we undo
8401 * all the moves. Otherwise we get analysis output after each undo.
8403 if (first.analysisSupport) {
8404 SendToProgram("exit\nforce\n", &first);
8405 first.analyzing = FALSE;
8409 if (gameMode == IcsExamining && !pausing) {
8410 SendToICS(ics_prefix);
8411 SendToICS("backward 999999\n");
8413 BackwardInner(backwardMostMove);
8416 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8417 /* we have fed all the moves, so reactivate analysis mode */
8418 SendToProgram("analyze\n", &first);
8419 first.analyzing = TRUE;
8420 /*first.maybeThinking = TRUE;*/
8421 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
8428 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
8429 if (to >= forwardMostMove) to = forwardMostMove;
8430 if (to <= backwardMostMove) to = backwardMostMove;
8431 if (to < currentMove) {
8441 if (gameMode != IcsExamining) {
8442 DisplayError(_("You are not examining a game"), 0);
8446 DisplayError(_("You can't revert while pausing"), 0);
8449 SendToICS(ics_prefix);
8450 SendToICS("revert\n");
8457 case MachinePlaysWhite:
8458 case MachinePlaysBlack:
8459 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
8460 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
8463 if (forwardMostMove < 2) return;
8464 currentMove = forwardMostMove = forwardMostMove - 2;
8465 whiteTimeRemaining = timeRemaining[0][currentMove];
8466 blackTimeRemaining = timeRemaining[1][currentMove];
8467 DisplayBothClocks();
8468 DisplayMove(currentMove - 1);
8469 ClearHighlights();/*!! could figure this out*/
8470 DrawPosition(FALSE, boards[currentMove]);
8471 SendToProgram("remove\n", &first);
8472 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
8475 case BeginningOfGame:
8479 case IcsPlayingWhite:
8480 case IcsPlayingBlack:
8481 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
8482 SendToICS(ics_prefix);
8483 SendToICS("takeback 2\n");
8485 SendToICS(ics_prefix);
8486 SendToICS("takeback 1\n");
8495 ChessProgramState *cps;
8498 case MachinePlaysWhite:
8499 if (!WhiteOnMove(forwardMostMove)) {
8500 DisplayError(_("It is your turn"), 0);
8505 case MachinePlaysBlack:
8506 if (WhiteOnMove(forwardMostMove)) {
8507 DisplayError(_("It is your turn"), 0);
8512 case TwoMachinesPlay:
8513 if (WhiteOnMove(forwardMostMove) ==
8514 (first.twoMachinesColor[0] == 'w')) {
8520 case BeginningOfGame:
8524 SendToProgram("?\n", cps);
8531 if (gameMode != EditGame) return;
8538 if (forwardMostMove > currentMove) {
8539 if (gameInfo.resultDetails != NULL) {
8540 free(gameInfo.resultDetails);
8541 gameInfo.resultDetails = NULL;
8542 gameInfo.result = GameUnfinished;
8544 forwardMostMove = currentMove;
8545 HistorySet(parseList, backwardMostMove, forwardMostMove,
8553 if (appData.noChessProgram) return;
8555 case MachinePlaysWhite:
8556 if (WhiteOnMove(forwardMostMove)) {
8557 DisplayError(_("Wait until your turn"), 0);
8561 case BeginningOfGame:
8562 case MachinePlaysBlack:
8563 if (!WhiteOnMove(forwardMostMove)) {
8564 DisplayError(_("Wait until your turn"), 0);
8569 DisplayError(_("No hint available"), 0);
8572 SendToProgram("hint\n", &first);
8573 hintRequested = TRUE;
8579 if (appData.noChessProgram) return;
8581 case MachinePlaysWhite:
8582 if (WhiteOnMove(forwardMostMove)) {
8583 DisplayError(_("Wait until your turn"), 0);
8587 case BeginningOfGame:
8588 case MachinePlaysBlack:
8589 if (!WhiteOnMove(forwardMostMove)) {
8590 DisplayError(_("Wait until your turn"), 0);
8597 case TwoMachinesPlay:
8602 SendToProgram("bk\n", &first);
8603 bookOutput[0] = NULLCHAR;
8604 bookRequested = TRUE;
8610 char *tags = PGNTags(&gameInfo);
8611 TagsPopUp(tags, CmailMsg());
8615 /* end button procedures */
8618 PrintPosition(fp, move)
8624 for (i = BOARD_SIZE - 1; i >= 0; i--) {
8625 for (j = 0; j < BOARD_SIZE; j++) {
8626 char c = PieceToChar(boards[move][i][j]);
8627 fputc(c == 'x' ? '.' : c, fp);
8628 fputc(j == BOARD_SIZE - 1 ? '\n' : ' ', fp);
8631 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
8632 fprintf(fp, "white to play\n");
8634 fprintf(fp, "black to play\n");
8641 if (gameInfo.white != NULL) {
8642 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
8648 /* Find last component of program's own name, using some heuristics */
8650 TidyProgramName(prog, host, buf)
8651 char *prog, *host, buf[MSG_SIZ];
8654 int local = (strcmp(host, "localhost") == 0);
8655 while (!local && (p = strchr(prog, ';')) != NULL) {
8657 while (*p == ' ') p++;
8660 if (*prog == '"' || *prog == '\'') {
8661 q = strchr(prog + 1, *prog);
8663 q = strchr(prog, ' ');
8665 if (q == NULL) q = prog + strlen(prog);
8667 while (p >= prog && *p != '/' && *p != '\\') p--;
8669 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
8670 memcpy(buf, p, q - p);
8671 buf[q - p] = NULLCHAR;
8679 TimeControlTagValue()
8682 if (!appData.clockMode) {
8684 } else if (movesPerSession > 0) {
8685 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
8686 } else if (timeIncrement == 0) {
8687 sprintf(buf, "%ld", timeControl/1000);
8689 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
8691 return StrSave(buf);
8697 /* This routine is used only for certain modes */
8698 VariantClass v = gameInfo.variant;
8699 ClearGameInfo(&gameInfo);
8700 gameInfo.variant = v;
8703 case MachinePlaysWhite:
8704 gameInfo.event = StrSave("Computer chess game");
8705 gameInfo.site = StrSave(HostName());
8706 gameInfo.date = PGNDate();
8707 gameInfo.round = StrSave("-");
8708 gameInfo.white = StrSave(first.tidy);
8709 gameInfo.black = StrSave(UserName());
8710 gameInfo.timeControl = TimeControlTagValue();
8713 case MachinePlaysBlack:
8714 gameInfo.event = StrSave("Computer chess game");
8715 gameInfo.site = StrSave(HostName());
8716 gameInfo.date = PGNDate();
8717 gameInfo.round = StrSave("-");
8718 gameInfo.white = StrSave(UserName());
8719 gameInfo.black = StrSave(first.tidy);
8720 gameInfo.timeControl = TimeControlTagValue();
8723 case TwoMachinesPlay:
8724 gameInfo.event = StrSave("Computer chess game");
8725 gameInfo.site = StrSave(HostName());
8726 gameInfo.date = PGNDate();
8727 if (matchGame > 0) {
8729 sprintf(buf, "%d", matchGame);
8730 gameInfo.round = StrSave(buf);
8732 gameInfo.round = StrSave("-");
8734 if (first.twoMachinesColor[0] == 'w') {
8735 gameInfo.white = StrSave(first.tidy);
8736 gameInfo.black = StrSave(second.tidy);
8738 gameInfo.white = StrSave(second.tidy);
8739 gameInfo.black = StrSave(first.tidy);
8741 gameInfo.timeControl = TimeControlTagValue();
8745 gameInfo.event = StrSave("Edited game");
8746 gameInfo.site = StrSave(HostName());
8747 gameInfo.date = PGNDate();
8748 gameInfo.round = StrSave("-");
8749 gameInfo.white = StrSave("-");
8750 gameInfo.black = StrSave("-");
8754 gameInfo.event = StrSave("Edited position");
8755 gameInfo.site = StrSave(HostName());
8756 gameInfo.date = PGNDate();
8757 gameInfo.round = StrSave("-");
8758 gameInfo.white = StrSave("-");
8759 gameInfo.black = StrSave("-");
8762 case IcsPlayingWhite:
8763 case IcsPlayingBlack:
8768 case PlayFromGameFile:
8769 gameInfo.event = StrSave("Game from non-PGN file");
8770 gameInfo.site = StrSave(HostName());
8771 gameInfo.date = PGNDate();
8772 gameInfo.round = StrSave("-");
8773 gameInfo.white = StrSave("?");
8774 gameInfo.black = StrSave("?");
8783 ReplaceComment(index, text)
8789 while (*text == '\n') text++;
8791 while (len > 0 && text[len - 1] == '\n') len--;
8793 if (commentList[index] != NULL)
8794 free(commentList[index]);
8797 commentList[index] = NULL;
8800 commentList[index] = (char *) malloc(len + 2);
8801 strncpy(commentList[index], text, len);
8802 commentList[index][len] = '\n';
8803 commentList[index][len + 1] = NULLCHAR;
8816 if (ch == '\r') continue;
8818 } while (ch != '\0');
8822 AppendComment(index, text)
8830 while (*text == '\n') text++;
8832 while (len > 0 && text[len - 1] == '\n') len--;
8834 if (len == 0) return;
8836 if (commentList[index] != NULL) {
8837 old = commentList[index];
8838 oldlen = strlen(old);
8839 commentList[index] = (char *) malloc(oldlen + len + 2);
8840 strcpy(commentList[index], old);
8842 strncpy(&commentList[index][oldlen], text, len);
8843 commentList[index][oldlen + len] = '\n';
8844 commentList[index][oldlen + len + 1] = NULLCHAR;
8846 commentList[index] = (char *) malloc(len + 2);
8847 strncpy(commentList[index], text, len);
8848 commentList[index][len] = '\n';
8849 commentList[index][len + 1] = NULLCHAR;
8854 SendToProgram(message, cps)
8856 ChessProgramState *cps;
8858 int count, outCount, error;
8861 if (cps->pr == NULL) return;
8864 if (appData.debugMode) {
8867 fprintf(debugFP, "%ld >%-6s: %s",
8868 SubtractTimeMarks(&now, &programStartTime),
8869 cps->which, message);
8872 count = strlen(message);
8873 outCount = OutputToProcess(cps->pr, message, count, &error);
8874 if (outCount < count && !exiting) {
8875 sprintf(buf, _("Error writing to %s chess program"), cps->which);
8876 DisplayFatalError(buf, error, 1);
8881 ReceiveFromProgram(isr, closure, message, count, error)
8890 ChessProgramState *cps = (ChessProgramState *)closure;
8892 if (isr != cps->isr) return; /* Killed intentionally */
8896 _("Error: %s chess program (%s) exited unexpectedly"),
8897 cps->which, cps->program);
8898 RemoveInputSource(cps->isr);
8899 DisplayFatalError(buf, 0, 1);
8902 _("Error reading from %s chess program (%s)"),
8903 cps->which, cps->program);
8904 RemoveInputSource(cps->isr);
8905 DisplayFatalError(buf, error, 1);
8907 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8911 if ((end_str = strchr(message, '\r')) != NULL)
8912 *end_str = NULLCHAR;
8913 if ((end_str = strchr(message, '\n')) != NULL)
8914 *end_str = NULLCHAR;
8916 if (appData.debugMode) {
8919 fprintf(debugFP, "%ld <%-6s: %s\n",
8920 SubtractTimeMarks(&now, &programStartTime),
8921 cps->which, message);
8923 /* if icsEngineAnalyze is active we block all
8924 whisper and kibitz output, because nobody want
8927 if (appData.icsEngineAnalyze) {
8928 if (strstr(message, "whisper") != NULL ||
8929 strstr(message, "kibitz") != NULL ||
8930 strstr(message, "tellics") != NULL) return;
8931 HandleMachineMove(message, cps);
8933 HandleMachineMove(message, cps);
8939 SendTimeControl(cps, mps, tc, inc, sd, st)
8940 ChessProgramState *cps;
8941 int mps, inc, sd, st;
8945 int seconds = (tc / 1000) % 60;
8948 /* Set exact time per move, normally using st command */
8949 if (cps->stKludge) {
8950 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
8953 sprintf(buf, "level 1 %d\n", st/60);
8955 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
8958 sprintf(buf, "st %d\n", st);
8961 /* Set conventional or incremental time control, using level command */
8963 /* Note old gnuchess bug -- minutes:seconds used to not work.
8964 Fixed in later versions, but still avoid :seconds
8965 when seconds is 0. */
8966 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
8968 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
8972 SendToProgram(buf, cps);
8974 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
8975 /* Orthogonally, limit search to given depth */
8977 if (cps->sdKludge) {
8978 sprintf(buf, "depth\n%d\n", sd);
8980 sprintf(buf, "sd %d\n", sd);
8982 SendToProgram(buf, cps);
8987 SendTimeRemaining(cps, machineWhite)
8988 ChessProgramState *cps;
8989 int /*boolean*/ machineWhite;
8991 char message[MSG_SIZ];
8994 /* Note: this routine must be called when the clocks are stopped
8995 or when they have *just* been set or switched; otherwise
8996 it will be off by the time since the current tick started.
8999 time = whiteTimeRemaining / 10;
9000 otime = blackTimeRemaining / 10;
9002 time = blackTimeRemaining / 10;
9003 otime = whiteTimeRemaining / 10;
9005 if (time <= 0) time = 1;
9006 if (otime <= 0) otime = 1;
9008 sprintf(message, "time %ld\notim %ld\n", time, otime);
9009 SendToProgram(message, cps);
9013 BoolFeature(p, name, loc, cps)
9017 ChessProgramState *cps;
9020 int len = strlen(name);
9022 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
9024 sscanf(*p, "%d", &val);
9026 while (**p && **p != ' ') (*p)++;
9027 sprintf(buf, "accepted %s\n", name);
9028 SendToProgram(buf, cps);
9035 IntFeature(p, name, loc, cps)
9039 ChessProgramState *cps;
9042 int len = strlen(name);
9043 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
9045 sscanf(*p, "%d", loc);
9046 while (**p && **p != ' ') (*p)++;
9047 sprintf(buf, "accepted %s\n", name);
9048 SendToProgram(buf, cps);
9055 StringFeature(p, name, loc, cps)
9059 ChessProgramState *cps;
9062 int len = strlen(name);
9063 if (strncmp((*p), name, len) == 0
9064 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
9066 sscanf(*p, "%[^\"]", loc);
9067 while (**p && **p != '\"') (*p)++;
9068 if (**p == '\"') (*p)++;
9069 sprintf(buf, "accepted %s\n", name);
9070 SendToProgram(buf, cps);
9077 FeatureDone(cps, val)
9078 ChessProgramState* cps;
9081 DelayedEventCallback cb = GetDelayedEvent();
9082 if ((cb == InitBackEnd3 && cps == &first) ||
9083 (cb == TwoMachinesEventIfReady && cps == &second)) {
9084 CancelDelayedEvent();
9085 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
9087 cps->initDone = val;
9090 /* Parse feature command from engine */
9092 ParseFeatures(args, cps)
9094 ChessProgramState *cps;
9102 while (*p == ' ') p++;
9103 if (*p == NULLCHAR) return;
9105 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
9106 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
9107 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
9108 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
9109 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
9110 if (BoolFeature(&p, "reuse", &val, cps)) {
9111 /* Engine can disable reuse, but can't enable it if user said no */
9112 if (!val) cps->reuse = FALSE;
9115 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
9116 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
9117 if (gameMode == TwoMachinesPlay) {
9118 DisplayTwoMachinesTitle();
9124 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
9125 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
9126 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
9127 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
9128 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
9129 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
9130 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
9131 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
9132 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
9133 if (IntFeature(&p, "done", &val, cps)) {
9134 FeatureDone(cps, val);
9138 /* unknown feature: complain and skip */
9140 while (*q && *q != '=') q++;
9141 sprintf(buf, "rejected %.*s\n", q-p, p);
9142 SendToProgram(buf, cps);
9148 while (*p && *p != '\"') p++;
9149 if (*p == '\"') p++;
9151 while (*p && *p != ' ') p++;
9159 PeriodicUpdatesEvent(newState)
9162 if (newState == appData.periodicUpdates)
9165 appData.periodicUpdates=newState;
9167 /* Display type changes, so update it now */
9170 /* Get the ball rolling again... */
9172 AnalysisPeriodicEvent(1);
9173 StartAnalysisClock();
9178 PonderNextMoveEvent(newState)
9181 if (newState == appData.ponderNextMove) return;
9182 if (gameMode == EditPosition) EditPositionDone();
9184 SendToProgram("hard\n", &first);
9185 if (gameMode == TwoMachinesPlay) {
9186 SendToProgram("hard\n", &second);
9189 SendToProgram("easy\n", &first);
9190 thinkOutput[0] = NULLCHAR;
9191 if (gameMode == TwoMachinesPlay) {
9192 SendToProgram("easy\n", &second);
9195 appData.ponderNextMove = newState;
9199 ShowThinkingEvent(newState)
9202 if (newState == appData.showThinking) return;
9203 if (gameMode == EditPosition) EditPositionDone();
9205 SendToProgram("post\n", &first);
9206 if (gameMode == TwoMachinesPlay) {
9207 SendToProgram("post\n", &second);
9210 SendToProgram("nopost\n", &first);
9211 thinkOutput[0] = NULLCHAR;
9212 if (gameMode == TwoMachinesPlay) {
9213 SendToProgram("nopost\n", &second);
9216 appData.showThinking = newState;
9220 AskQuestionEvent(title, question, replyPrefix, which)
9221 char *title; char *question; char *replyPrefix; char *which;
9223 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
9224 if (pr == NoProc) return;
9225 AskQuestion(title, question, replyPrefix, pr);
9229 DisplayMove(moveNumber)
9232 char message[MSG_SIZ];
9234 char cpThinkOutput[MSG_SIZ];
9236 if (moveNumber == forwardMostMove - 1 ||
9237 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
9239 strcpy(cpThinkOutput, thinkOutput);
9240 if (strchr(cpThinkOutput, '\n'))
9241 *strchr(cpThinkOutput, '\n') = NULLCHAR;
9243 *cpThinkOutput = NULLCHAR;
9246 if (moveNumber == forwardMostMove - 1 &&
9247 gameInfo.resultDetails != NULL) {
9248 if (gameInfo.resultDetails[0] == NULLCHAR) {
9249 sprintf(res, " %s", PGNResult(gameInfo.result));
9251 sprintf(res, " {%s} %s",
9252 gameInfo.resultDetails, PGNResult(gameInfo.result));
9258 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
9259 DisplayMessage(res, cpThinkOutput);
9261 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
9262 WhiteOnMove(moveNumber) ? " " : ".. ",
9263 parseList[moveNumber], res);
9264 DisplayMessage(message, cpThinkOutput);
9269 DisplayAnalysisText(text)
9274 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile
9275 || appData.icsEngineAnalyze) {
9276 sprintf(buf, "Analysis (%s)", first.tidy);
9277 AnalysisPopUp(buf, text);
9285 while (*str && isspace(*str)) ++str;
9286 while (*str && !isspace(*str)) ++str;
9287 if (!*str) return 1;
9288 while (*str && isspace(*str)) ++str;
9289 if (!*str) return 1;
9298 static char *xtra[] = { "", " (--)", " (++)" };
9301 if (programStats.time == 0) {
9302 programStats.time = 1;
9305 if (programStats.got_only_move) {
9306 strcpy(buf, programStats.movelist);
9308 nps = (u64ToDouble(programStats.nodes) /
9309 ((double)programStats.time /100.0));
9311 cs = programStats.time % 100;
9312 s = programStats.time / 100;
9318 if (programStats.moves_left > 0 && appData.periodicUpdates) {
9319 if (programStats.move_name[0] != NULLCHAR) {
9320 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: "u64Display" NPS: %d\nTime: %02d:%02d:%02d.%02d",
9322 programStats.nr_moves-programStats.moves_left,
9323 programStats.nr_moves, programStats.move_name,
9324 ((float)programStats.score)/100.0, programStats.movelist,
9325 only_one_move(programStats.movelist)?
9326 xtra[programStats.got_fail] : "",
9327 (u64)programStats.nodes, (int)nps, h, m, s, cs);
9329 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: "u64Display" NPS: %d\nTime: %02d:%02d:%02d.%02d",
9331 programStats.nr_moves-programStats.moves_left,
9332 programStats.nr_moves, ((float)programStats.score)/100.0,
9333 programStats.movelist,
9334 only_one_move(programStats.movelist)?
9335 xtra[programStats.got_fail] : "",
9336 (u64)programStats.nodes, (int)nps, h, m, s, cs);
9339 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: "u64Display" NPS: %d\nTime: %02d:%02d:%02d.%02d",
9341 ((float)programStats.score)/100.0,
9342 programStats.movelist,
9343 only_one_move(programStats.movelist)?
9344 xtra[programStats.got_fail] : "",
9345 (u64)programStats.nodes, (int)nps, h, m, s, cs);
9348 DisplayAnalysisText(buf);
9352 DisplayComment(moveNumber, text)
9356 char title[MSG_SIZ];
9358 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
9359 strcpy(title, "Comment");
9361 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
9362 WhiteOnMove(moveNumber) ? " " : ".. ",
9363 parseList[moveNumber]);
9366 CommentPopUp(title, text);
9369 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
9370 * might be busy thinking or pondering. It can be omitted if your
9371 * gnuchess is configured to stop thinking immediately on any user
9372 * input. However, that gnuchess feature depends on the FIONREAD
9373 * ioctl, which does not work properly on some flavors of Unix.
9377 ChessProgramState *cps;
9380 if (!cps->useSigint) return;
9381 if (appData.noChessProgram || (cps->pr == NoProc)) return;
9383 case MachinePlaysWhite:
9384 case MachinePlaysBlack:
9385 case TwoMachinesPlay:
9386 case IcsPlayingWhite:
9387 case IcsPlayingBlack:
9390 /* Skip if we know it isn't thinking */
9391 if (!cps->maybeThinking) return;
9392 if (appData.debugMode)
9393 fprintf(debugFP, "Interrupting %s\n", cps->which);
9394 InterruptChildProcess(cps->pr);
9395 cps->maybeThinking = FALSE;
9400 #endif /*ATTENTION*/
9406 if (whiteTimeRemaining <= 0) {
9409 if (appData.icsActive) {
9410 if (appData.autoCallFlag &&
9411 gameMode == IcsPlayingBlack && !blackFlag) {
9412 SendToICS(ics_prefix);
9413 SendToICS("flag\n");
9417 DisplayTitle(_("Both flags fell"));
9419 DisplayTitle(_("White's flag fell"));
9420 if (appData.autoCallFlag) {
9421 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
9428 if (blackTimeRemaining <= 0) {
9431 if (appData.icsActive) {
9432 if (appData.autoCallFlag &&
9433 gameMode == IcsPlayingWhite && !whiteFlag) {
9434 SendToICS(ics_prefix);
9435 SendToICS("flag\n");
9439 DisplayTitle(_("Both flags fell"));
9441 DisplayTitle(_("Black's flag fell"));
9442 if (appData.autoCallFlag) {
9443 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
9456 if (!appData.clockMode || appData.icsActive ||
9457 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
9459 if (timeIncrement >= 0) {
9460 if (WhiteOnMove(forwardMostMove)) {
9461 blackTimeRemaining += timeIncrement;
9463 whiteTimeRemaining += timeIncrement;
9467 * add time to clocks when time control is achieved
9469 if (movesPerSession) {
9470 switch ((forwardMostMove + 1) % (movesPerSession * 2)) {
9472 /* White made time control */
9473 whiteTimeRemaining += timeControl;
9476 /* Black made time control */
9477 blackTimeRemaining += timeControl;
9488 int wom = gameMode == EditPosition ?
9489 !blackPlaysFirst : WhiteOnMove(currentMove);
9490 DisplayWhiteClock(whiteTimeRemaining, wom);
9491 DisplayBlackClock(blackTimeRemaining, !wom);
9495 /* Timekeeping seems to be a portability nightmare. I think everyone
9496 has ftime(), but I'm really not sure, so I'm including some ifdefs
9497 to use other calls if you don't. Clocks will be less accurate if
9498 you have neither ftime nor gettimeofday.
9501 /* Get the current time as a TimeMark */
9506 #if HAVE_GETTIMEOFDAY
9508 struct timeval timeVal;
9509 struct timezone timeZone;
9511 gettimeofday(&timeVal, &timeZone);
9512 tm->sec = (long) timeVal.tv_sec;
9513 tm->ms = (int) (timeVal.tv_usec / 1000L);
9515 #else /*!HAVE_GETTIMEOFDAY*/
9518 #include <sys/timeb.h>
9522 tm->sec = (long) timeB.time;
9523 tm->ms = (int) timeB.millitm;
9525 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
9526 tm->sec = (long) time(NULL);
9532 /* Return the difference in milliseconds between two
9533 time marks. We assume the difference will fit in a long!
9536 SubtractTimeMarks(tm2, tm1)
9537 TimeMark *tm2, *tm1;
9539 return 1000L*(tm2->sec - tm1->sec) +
9540 (long) (tm2->ms - tm1->ms);
9545 * Code to manage the game clocks.
9547 * In tournament play, black starts the clock and then white makes a move.
9548 * We give the human user a slight advantage if he is playing white---the
9549 * clocks don't run until he makes his first move, so it takes zero time.
9550 * Also, we don't account for network lag, so we could get out of sync
9551 * with GNU Chess's clock -- but then, referees are always right.
9554 static TimeMark tickStartTM;
9555 static long intendedTickLength;
9558 NextTickLength(timeRemaining)
9561 long nominalTickLength, nextTickLength;
9563 if (timeRemaining > 0L && timeRemaining <= 10000L)
9564 nominalTickLength = 100L;
9566 nominalTickLength = 1000L;
9567 nextTickLength = timeRemaining % nominalTickLength;
9568 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
9570 return nextTickLength;
9573 /* Stop clocks and reset to a fresh time control */
9577 (void) StopClockTimer();
9578 if (appData.icsActive) {
9579 whiteTimeRemaining = blackTimeRemaining = 0;
9581 whiteTimeRemaining = blackTimeRemaining = timeControl;
9583 if (whiteFlag || blackFlag) {
9585 whiteFlag = blackFlag = FALSE;
9587 DisplayBothClocks();
9590 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
9592 /* Decrement running clock by amount of time that has passed */
9597 long lastTickLength, fudge;
9600 if (!appData.clockMode) return;
9601 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
9605 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9607 /* Fudge if we woke up a little too soon */
9608 fudge = intendedTickLength - lastTickLength;
9609 if (fudge < 0 || fudge > FUDGE) fudge = 0;
9611 if (WhiteOnMove(forwardMostMove)) {
9612 timeRemaining = whiteTimeRemaining -= lastTickLength;
9613 DisplayWhiteClock(whiteTimeRemaining - fudge,
9614 WhiteOnMove(currentMove));
9616 timeRemaining = blackTimeRemaining -= lastTickLength;
9617 DisplayBlackClock(blackTimeRemaining - fudge,
9618 !WhiteOnMove(currentMove));
9621 if (CheckFlags()) return;
9624 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
9625 StartClockTimer(intendedTickLength);
9627 /* if the time remaining has fallen below the alarm threshold, sound the
9628 * alarm. if the alarm has sounded and (due to a takeback or time control
9629 * with increment) the time remaining has increased to a level above the
9630 * threshold, reset the alarm so it can sound again.
9633 if (appData.icsActive && appData.icsAlarm) {
9635 /* make sure we are dealing with the user's clock */
9636 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
9637 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
9640 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
9641 alarmSounded = FALSE;
9642 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
9644 alarmSounded = TRUE;
9650 /* A player has just moved, so stop the previously running
9651 clock and (if in clock mode) start the other one.
9652 We redisplay both clocks in case we're in ICS mode, because
9653 ICS gives us an update to both clocks after every move.
9654 Note that this routine is called *after* forwardMostMove
9655 is updated, so the last fractional tick must be subtracted
9656 from the color that is *not* on move now.
9661 long lastTickLength;
9663 int flagged = FALSE;
9667 if (StopClockTimer() && appData.clockMode) {
9668 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9669 if (WhiteOnMove(forwardMostMove)) {
9670 blackTimeRemaining -= lastTickLength;
9672 whiteTimeRemaining -= lastTickLength;
9674 flagged = CheckFlags();
9678 if (flagged || !appData.clockMode) return;
9681 case MachinePlaysBlack:
9682 case MachinePlaysWhite:
9683 case BeginningOfGame:
9684 if (pausing) return;
9688 case PlayFromGameFile:
9697 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
9698 whiteTimeRemaining : blackTimeRemaining);
9699 StartClockTimer(intendedTickLength);
9703 /* Stop both clocks */
9707 long lastTickLength;
9710 if (!StopClockTimer()) return;
9711 if (!appData.clockMode) return;
9715 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9716 if (WhiteOnMove(forwardMostMove)) {
9717 whiteTimeRemaining -= lastTickLength;
9718 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
9720 blackTimeRemaining -= lastTickLength;
9721 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
9726 /* Start clock of player on move. Time may have been reset, so
9727 if clock is already running, stop and restart it. */
9731 (void) StopClockTimer(); /* in case it was running already */
9732 DisplayBothClocks();
9733 if (CheckFlags()) return;
9735 if (!appData.clockMode) return;
9736 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
9738 GetTimeMark(&tickStartTM);
9739 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
9740 whiteTimeRemaining : blackTimeRemaining);
9741 StartClockTimer(intendedTickLength);
9748 long second, minute, hour, day;
9750 static char buf[32];
9752 if (ms > 0 && ms <= 9900) {
9753 /* convert milliseconds to tenths, rounding up */
9754 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
9756 sprintf(buf, " %03.1f ", tenths/10.0);
9760 /* convert milliseconds to seconds, rounding up */
9761 /* use floating point to avoid strangeness of integer division
9762 with negative dividends on many machines */
9763 second = (long) floor(((double) (ms + 999L)) / 1000.0);
9770 day = second / (60 * 60 * 24);
9771 second = second % (60 * 60 * 24);
9772 hour = second / (60 * 60);
9773 second = second % (60 * 60);
9774 minute = second / 60;
9775 second = second % 60;
9778 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
9779 sign, day, hour, minute, second);
9781 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
9783 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
9790 * This is necessary because some C libraries aren't ANSI C compliant yet.
9793 StrStr(string, match)
9794 char *string, *match;
9798 length = strlen(match);
9800 for (i = strlen(string) - length; i >= 0; i--, string++)
9801 if (!strncmp(match, string, length))
9808 StrCaseStr(string, match)
9809 char *string, *match;
9813 length = strlen(match);
9815 for (i = strlen(string) - length; i >= 0; i--, string++) {
9816 for (j = 0; j < length; j++) {
9817 if (ToLower(match[j]) != ToLower(string[j]))
9820 if (j == length) return string;
9834 c1 = ToLower(*s1++);
9835 c2 = ToLower(*s2++);
9836 if (c1 > c2) return 1;
9837 if (c1 < c2) return -1;
9838 if (c1 == NULLCHAR) return 0;
9847 return isupper(c) ? tolower(c) : c;
9855 return islower(c) ? toupper(c) : c;
9857 #endif /* !_amigados */
9865 if ((ret = (char *) malloc(strlen(s) + 1))) {
9872 StrSavePtr(s, savePtr)
9878 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
9879 strcpy(*savePtr, s);
9891 clock = time((time_t *)NULL);
9892 tm = localtime(&clock);
9893 sprintf(buf, "%04d.%02d.%02d",
9894 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
9895 return StrSave(buf);
9903 int i, j, fromX, fromY, toX, toY;
9909 whiteToPlay = (gameMode == EditPosition) ?
9910 !blackPlaysFirst : (move % 2 == 0);
9913 /* Piece placement data */
9914 for (i = BOARD_SIZE - 1; i >= 0; i--) {
9916 for (j = 0; j < BOARD_SIZE; j++) {
9917 if (boards[move][i][j] == EmptySquare) {
9920 if (emptycount > 0) {
9921 *p++ = '0' + emptycount;
9924 *p++ = PieceToChar(boards[move][i][j]);
9927 if (emptycount > 0) {
9928 *p++ = '0' + emptycount;
9936 *p++ = whiteToPlay ? 'w' : 'b';
9939 /* !!We don't keep track of castling availability, so fake it */
9941 if (boards[move][0][4] == WhiteKing) {
9942 if (boards[move][0][7] == WhiteRook) *p++ = 'K';
9943 if (boards[move][0][0] == WhiteRook) *p++ = 'Q';
9945 if (boards[move][7][4] == BlackKing) {
9946 if (boards[move][7][7] == BlackRook) *p++ = 'k';
9947 if (boards[move][7][0] == BlackRook) *p++ = 'q';
9949 if (q == p) *p++ = '-';
9952 /* En passant target square */
9953 if (move > backwardMostMove) {
9954 fromX = moveList[move - 1][0] - 'a';
9955 fromY = moveList[move - 1][1] - '1';
9956 toX = moveList[move - 1][2] - 'a';
9957 toY = moveList[move - 1][3] - '1';
9958 if (fromY == (whiteToPlay ? 6 : 1) &&
9959 toY == (whiteToPlay ? 4 : 3) &&
9960 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
9962 /* 2-square pawn move just happened */
9964 *p++ = whiteToPlay ? '6' : '3';
9972 /* !!We don't keep track of halfmove clock for 50-move rule */
9976 /* Fullmove number */
9977 sprintf(p, "%d", (move / 2) + 1);
9979 return StrSave(buf);
9983 ParseFEN(board, blackPlaysFirst, fen)
9985 int *blackPlaysFirst;
9994 /* Piece placement data */
9995 for (i = BOARD_SIZE - 1; i >= 0; i--) {
9998 if (*p == '/' || *p == ' ') {
10000 emptycount = BOARD_SIZE - j;
10001 while (emptycount--) board[i][j++] = EmptySquare;
10003 } else if (isdigit(*p)) {
10004 emptycount = *p++ - '0';
10005 if (j + emptycount > BOARD_SIZE) return FALSE;
10006 while (emptycount--) board[i][j++] = EmptySquare;
10007 } else if (isalpha(*p)) {
10008 if (j >= BOARD_SIZE) return FALSE;
10009 board[i][j++] = CharToPiece(*p++);
10015 while (*p == '/' || *p == ' ') p++;
10020 *blackPlaysFirst = FALSE;
10023 *blackPlaysFirst = TRUE;
10028 /* !!We ignore the rest of the FEN notation */
10033 EditPositionPasteFEN(char *fen)
10036 Board initial_position;
10038 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
10039 DisplayError(_("Bad FEN position in clipboard"), 0);
10042 int savedBlackPlaysFirst = blackPlaysFirst;
10043 EditPositionEvent();
10044 blackPlaysFirst = savedBlackPlaysFirst;
10045 CopyBoard(boards[0], initial_position);
10046 EditPositionDone();
10047 DisplayBothClocks();
10048 DrawPosition(FALSE, boards[currentMove]);