2 * backend.c -- Common back end for X and Windows NT versions of
5 * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts.
6 * Enhancements Copyright 1992-2001 Free Software Foundation, Inc.
8 * The following terms apply to Digital Equipment Corporation's copyright
10 * ------------------------------------------------------------------------
13 * Permission to use, copy, modify, and distribute this software and its
14 * documentation for any purpose and without fee is hereby granted,
15 * provided that the above copyright notice appear in all copies and that
16 * both that copyright notice and this permission notice appear in
17 * supporting documentation, and that the name of Digital not be
18 * used in advertising or publicity pertaining to distribution of the
19 * software without specific, written prior permission.
21 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
22 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
23 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
24 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
25 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
26 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
28 * ------------------------------------------------------------------------
30 * The following terms apply to the enhanced version of XBoard distributed
31 * by the Free Software Foundation:
32 * ------------------------------------------------------------------------
33 * This program is free software; you can redistribute it and/or modify
34 * it under the terms of the GNU General Public License as published by
35 * the Free Software Foundation; either version 2 of the License, or
36 * (at your option) any later version.
38 * This program is distributed in the hope that it will be useful,
39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 * GNU General Public License for more details.
43 * You should have received a copy of the GNU General Public License
44 * along with this program; if not, write to the Free Software
45 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
46 * ------------------------------------------------------------------------
48 * See the file ChangeLog for a revision history. */
55 #include <sys/types.h>
62 #else /* not STDC_HEADERS */
65 # else /* not HAVE_STRING_H */
67 # endif /* not HAVE_STRING_H */
68 #endif /* not STDC_HEADERS */
71 # include <sys/fcntl.h>
72 #else /* not HAVE_SYS_FCNTL_H */
75 # endif /* HAVE_FCNTL_H */
76 #endif /* not HAVE_SYS_FCNTL_H */
78 #if TIME_WITH_SYS_TIME
79 # include <sys/time.h>
83 # include <sys/time.h>
89 #if defined(_amigados) && !defined(__GNUC__)
94 extern int gettimeofday(struct timeval *, struct timezone *);
102 #include "frontend.h"
109 #include "backendz.h"
111 /* A point in time */
113 long sec; /* Assuming this is >= 32 bits */
114 int ms; /* Assuming this is >= 16 bits */
117 /* Search stats from chessprogram */
119 char movelist[MSG_SIZ]; /* Last PV we were sent */
120 int depth; /* Current search depth */
121 int nr_moves; /* Total nr of root moves */
122 int moves_left; /* Moves remaining to be searched */
123 char move_name[MOVE_LEN]; /* Current move being searched, if provided */
124 unsigned long nodes; /* # of nodes searched */
125 int time; /* Search time (centiseconds) */
126 int score; /* Score (centipawns) */
127 int got_only_move; /* If last msg was "(only move)" */
128 int got_fail; /* 0 - nothing, 1 - got "--", 2 - got "++" */
129 int ok_to_send; /* handshaking between send & recv */
130 int line_is_book; /* 1 if movelist is book moves */
131 int seen_stat; /* 1 if we've seen the stat01: line */
134 int establish P((void));
135 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
136 char *buf, int count, int error));
137 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
138 char *buf, int count, int error));
139 void SendToICS P((char *s));
140 void SendToICSDelayed P((char *s, long msdelay));
141 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
143 void InitPosition P((int redraw));
144 void HandleMachineMove P((char *message, ChessProgramState *cps));
145 int AutoPlayOneMove P((void));
146 int LoadGameOneMove P((ChessMove readAhead));
147 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
148 int LoadPositionFromFile P((char *filename, int n, char *title));
149 int SavePositionToFile P((char *filename));
150 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
152 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
153 void ShowMove P((int fromX, int fromY, int toX, int toY));
154 void FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
155 /*char*/int promoChar));
156 void BackwardInner P((int target));
157 void ForwardInner P((int target));
158 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
159 void EditPositionDone P((void));
160 void PrintOpponents P((FILE *fp));
161 void PrintPosition P((FILE *fp, int move));
162 void StartChessProgram P((ChessProgramState *cps));
163 void SendToProgram P((char *message, ChessProgramState *cps));
164 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
165 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
166 char *buf, int count, int error));
167 void SendTimeControl P((ChessProgramState *cps,
168 int mps, long tc, int inc, int sd, int st));
169 char *TimeControlTagValue P((void));
170 void Attention P((ChessProgramState *cps));
171 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
172 void ResurrectChessProgram P((void));
173 void DisplayComment P((int moveNumber, char *text));
174 void DisplayMove P((int moveNumber));
175 void DisplayAnalysis P((void));
177 void ParseGameHistory P((char *game));
178 void ParseBoard12 P((char *string));
179 void StartClocks P((void));
180 void SwitchClocks P((void));
181 void StopClocks P((void));
182 void ResetClocks P((void));
183 char *PGNDate P((void));
184 void SetGameInfo P((void));
185 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
186 int RegisterMove P((void));
187 void MakeRegisteredMove P((void));
188 void TruncateGame P((void));
189 int looking_at P((char *, int *, char *));
190 void CopyPlayerNameIntoFileName P((char **, char *));
191 char *SavePart P((char *));
192 int SaveGameOldStyle P((FILE *));
193 int SaveGamePGN P((FILE *));
194 void GetTimeMark P((TimeMark *));
195 long SubtractTimeMarks P((TimeMark *, TimeMark *));
196 int CheckFlags P((void));
197 long NextTickLength P((long));
198 void CheckTimeControl P((void));
199 void show_bytes P((FILE *, char *, int));
200 int string_to_rating P((char *str));
201 void ParseFeatures P((char* args, ChessProgramState *cps));
202 void InitBackEnd3 P((void));
203 void FeatureDone P((ChessProgramState* cps, int val));
204 void InitChessProgram P((ChessProgramState *cps));
206 extern int tinyLayout, smallLayout;
207 static ChessProgramStats programStats;
209 /* States for ics_getting_history */
211 #define H_REQUESTED 1
212 #define H_GOT_REQ_HEADER 2
213 #define H_GOT_UNREQ_HEADER 3
214 #define H_GETTING_MOVES 4
215 #define H_GOT_UNWANTED_HEADER 5
217 /* whosays values for GameEnds */
224 /* Maximum number of games in a cmail message */
225 #define CMAIL_MAX_GAMES 20
227 /* Different types of move when calling RegisterMove */
229 #define CMAIL_RESIGN 1
231 #define CMAIL_ACCEPT 3
233 /* Different types of result to remember for each game */
234 #define CMAIL_NOT_RESULT 0
235 #define CMAIL_OLD_RESULT 1
236 #define CMAIL_NEW_RESULT 2
238 /* Telnet protocol constants */
248 /* Fake up flags for now, as we aren't keeping track of castling
253 int flags = F_ALL_CASTLE_OK;
254 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
255 switch (gameInfo.variant) {
257 case VariantGiveaway:
258 flags |= F_IGNORE_CHECK;
259 flags &= ~F_ALL_CASTLE_OK;
262 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
264 case VariantKriegspiel:
265 flags |= F_KRIEGSPIEL_CAPTURE;
267 case VariantNoCastle:
268 flags &= ~F_ALL_CASTLE_OK;
276 FILE *gameFileFP, *debugFP;
278 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
279 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
280 char thinkOutput1[MSG_SIZ*10];
282 ChessProgramState first, second;
284 /* premove variables */
287 int premoveFromX = 0;
288 int premoveFromY = 0;
289 int premovePromoChar = 0;
291 Boolean alarmSounded;
292 /* end premove variables */
294 #define ICS_GENERIC 0
297 #define ICS_CHESSNET 3 /* not really supported */
298 int ics_type = ICS_GENERIC;
299 char *ics_prefix = "$";
301 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
302 int pauseExamForwardMostMove = 0;
303 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
304 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
305 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
306 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
307 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
308 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
309 int whiteFlag = FALSE, blackFlag = FALSE;
310 int userOfferedDraw = FALSE;
311 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
312 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
313 int cmailMoveType[CMAIL_MAX_GAMES];
314 long ics_clock_paused = 0;
315 ProcRef icsPR = NoProc, cmailPR = NoProc;
316 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
317 GameMode gameMode = BeginningOfGame;
318 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
319 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
320 char white_holding[64], black_holding[64];
321 TimeMark lastNodeCountTime;
322 long lastNodeCount=0;
323 int have_sent_ICS_logon = 0;
325 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
326 long timeRemaining[2][MAX_MOVES];
328 TimeMark programStartTime;
329 char ics_handle[MSG_SIZ];
330 int have_set_title = 0;
332 /* animateTraining preserves the state of appData.animate
333 * when Training mode is activated. This allows the
334 * response to be animated when appData.animate == TRUE and
335 * appData.animateDragging == TRUE.
337 Boolean animateTraining;
343 Board boards[MAX_MOVES];
344 Board initialPosition = {
345 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
346 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
347 { WhitePawn, WhitePawn, WhitePawn, WhitePawn,
348 WhitePawn, WhitePawn, WhitePawn, WhitePawn },
349 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
350 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
351 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
352 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
353 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
354 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
355 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
356 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
357 { BlackPawn, BlackPawn, BlackPawn, BlackPawn,
358 BlackPawn, BlackPawn, BlackPawn, BlackPawn },
359 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
360 BlackKing, BlackBishop, BlackKnight, BlackRook }
362 Board twoKingsPosition = {
363 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
364 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
365 { WhitePawn, WhitePawn, WhitePawn, WhitePawn,
366 WhitePawn, WhitePawn, WhitePawn, WhitePawn },
367 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
368 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
369 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
370 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
371 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
372 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
373 { EmptySquare, EmptySquare, EmptySquare, EmptySquare,
374 EmptySquare, EmptySquare, EmptySquare, EmptySquare },
375 { BlackPawn, BlackPawn, BlackPawn, BlackPawn,
376 BlackPawn, BlackPawn, BlackPawn, BlackPawn },
377 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
378 BlackKing, BlackKing, BlackKnight, BlackRook }
382 /* Convert str to a rating. Checks for special cases of "----",
383 "++++", etc. Also strips ()'s */
385 string_to_rating(str)
388 while(*str && !isdigit(*str)) ++str;
390 return 0; /* One of the special "no rating" cases */
398 /* Init programStats */
399 programStats.movelist[0] = 0;
400 programStats.depth = 0;
401 programStats.nr_moves = 0;
402 programStats.moves_left = 0;
403 programStats.nodes = 0;
404 programStats.time = 100;
405 programStats.score = 0;
406 programStats.got_only_move = 0;
407 programStats.got_fail = 0;
408 programStats.line_is_book = 0;
414 int matched, min, sec;
416 GetTimeMark(&programStartTime);
419 programStats.ok_to_send = 1;
420 programStats.seen_stat = 0;
423 * Initialize game list
429 * Internet chess server status
431 if (appData.icsActive) {
432 appData.matchMode = FALSE;
433 appData.matchGames = 0;
435 appData.noChessProgram = !appData.zippyPlay;
437 appData.zippyPlay = FALSE;
438 appData.zippyTalk = FALSE;
439 appData.noChessProgram = TRUE;
441 if (*appData.icsHelper != NULLCHAR) {
442 appData.useTelnet = TRUE;
443 appData.telnetProgram = appData.icsHelper;
446 appData.zippyTalk = appData.zippyPlay = FALSE;
450 * Parse timeControl resource
452 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
453 appData.movesPerSession)) {
455 sprintf(buf, "bad timeControl option %s", appData.timeControl);
456 DisplayFatalError(buf, 0, 2);
460 * Parse searchTime resource
462 if (*appData.searchTime != NULLCHAR) {
463 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
465 searchTime = min * 60;
466 } else if (matched == 2) {
467 searchTime = min * 60 + sec;
470 sprintf(buf, "bad searchTime option %s", appData.searchTime);
471 DisplayFatalError(buf, 0, 2);
475 first.which = "first";
476 second.which = "second";
477 first.maybeThinking = second.maybeThinking = FALSE;
478 first.pr = second.pr = NoProc;
479 first.isr = second.isr = NULL;
480 first.sendTime = second.sendTime = 2;
481 first.sendDrawOffers = 1;
482 if (appData.firstPlaysBlack) {
483 first.twoMachinesColor = "black\n";
484 second.twoMachinesColor = "white\n";
486 first.twoMachinesColor = "white\n";
487 second.twoMachinesColor = "black\n";
489 first.program = appData.firstChessProgram;
490 second.program = appData.secondChessProgram;
491 first.host = appData.firstHost;
492 second.host = appData.secondHost;
493 first.dir = appData.firstDirectory;
494 second.dir = appData.secondDirectory;
495 first.other = &second;
496 second.other = &first;
497 first.initString = appData.initString;
498 second.initString = appData.secondInitString;
499 first.computerString = appData.firstComputerString;
500 second.computerString = appData.secondComputerString;
501 first.useSigint = second.useSigint = TRUE;
502 first.useSigterm = second.useSigterm = TRUE;
503 first.reuse = appData.reuseFirst;
504 second.reuse = appData.reuseSecond;
505 first.useSetboard = second.useSetboard = FALSE;
506 first.useSAN = second.useSAN = FALSE;
507 first.usePing = second.usePing = FALSE;
508 first.lastPing = second.lastPing = 0;
509 first.lastPong = second.lastPong = 0;
510 first.usePlayother = second.usePlayother = FALSE;
511 first.useColors = second.useColors = TRUE;
512 first.useUsermove = second.useUsermove = FALSE;
513 first.sendICS = second.sendICS = FALSE;
514 first.sendName = second.sendName = appData.icsActive;
515 first.sdKludge = second.sdKludge = FALSE;
516 first.stKludge = second.stKludge = FALSE;
517 TidyProgramName(first.program, first.host, first.tidy);
518 TidyProgramName(second.program, second.host, second.tidy);
519 first.matchWins = second.matchWins = 0;
520 strcpy(first.variants, appData.variant);
521 strcpy(second.variants, appData.variant);
522 first.analysisSupport = second.analysisSupport = 2; /* detect */
523 first.analyzing = second.analyzing = FALSE;
524 first.initDone = second.initDone = FALSE;
526 if (appData.firstProtocolVersion > PROTOVER ||
527 appData.firstProtocolVersion < 1) {
529 sprintf(buf, "protocol version %d not supported",
530 appData.firstProtocolVersion);
531 DisplayFatalError(buf, 0, 2);
533 first.protocolVersion = appData.firstProtocolVersion;
536 if (appData.secondProtocolVersion > PROTOVER ||
537 appData.secondProtocolVersion < 1) {
539 sprintf(buf, "protocol version %d not supported",
540 appData.secondProtocolVersion);
541 DisplayFatalError(buf, 0, 2);
543 second.protocolVersion = appData.secondProtocolVersion;
546 if (appData.icsActive) {
547 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
548 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
549 appData.clockMode = FALSE;
550 first.sendTime = second.sendTime = 0;
554 /* Override some settings from environment variables, for backward
555 compatibility. Unfortunately it's not feasible to have the env
556 vars just set defaults, at least in xboard. Ugh.
558 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
563 if (appData.noChessProgram) {
564 programVersion = (char*) malloc(5 + strlen(PRODUCT) + strlen(VERSION)
565 + strlen(PATCHLEVEL));
566 sprintf(programVersion, "%s %s.%s", PRODUCT, VERSION, PATCHLEVEL);
570 while (*q != ' ' && *q != NULLCHAR) q++;
572 while (p > first.program && *(p-1) != '/') p--;
573 programVersion = (char*) malloc(8 + strlen(PRODUCT) + strlen(VERSION)
574 + strlen(PATCHLEVEL) + (q - p));
575 sprintf(programVersion, "%s %s.%s + ", PRODUCT, VERSION, PATCHLEVEL);
576 strncat(programVersion, p, q - p);
579 if (!appData.icsActive) {
581 /* Check for variants that are supported only in ICS mode,
582 or not at all. Some that are accepted here nevertheless
583 have bugs; see comments below.
585 VariantClass variant = StringToVariant(appData.variant);
587 case VariantBughouse: /* need four players and two boards */
588 case VariantKriegspiel: /* need to hide pieces and move details */
589 case VariantFischeRandom: /* castling doesn't work, shuffle not done */
590 sprintf(buf, "Variant %s supported only in ICS mode", appData.variant);
591 DisplayFatalError(buf, 0, 2);
595 case VariantLoadable:
605 sprintf(buf, "Unknown variant name %s", appData.variant);
606 DisplayFatalError(buf, 0, 2);
609 case VariantNormal: /* definitely works! */
610 case VariantWildCastle: /* pieces not automatically shuffled */
611 case VariantNoCastle: /* pieces not automatically shuffled */
612 case VariantCrazyhouse: /* holdings not shown,
613 offboard interposition not understood */
614 case VariantLosers: /* should work except for win condition,
615 and doesn't know captures are mandatory */
616 case VariantSuicide: /* should work except for win condition,
617 and doesn't know captures are mandatory */
618 case VariantGiveaway: /* should work except for win condition,
619 and doesn't know captures are mandatory */
620 case VariantTwoKings: /* should work */
621 case VariantAtomic: /* should work except for win condition */
622 case Variant3Check: /* should work except for win condition */
623 case VariantShatranj: /* might work if TestLegality is off */
630 ParseTimeControl(tc, ti, mps)
635 int matched, min, sec;
637 matched = sscanf(tc, "%d:%d", &min, &sec);
639 timeControl = min * 60 * 1000;
640 } else if (matched == 2) {
641 timeControl = (min * 60 + sec) * 1000;
647 timeIncrement = ti * 1000; /* convert to ms */
651 movesPerSession = mps;
659 if (appData.debugMode) {
660 fprintf(debugFP, "%s\n", programVersion);
663 if (appData.matchGames > 0) {
664 appData.matchMode = TRUE;
665 } else if (appData.matchMode) {
666 appData.matchGames = 1;
669 if (appData.noChessProgram || first.protocolVersion == 1) {
672 /* kludge: allow timeout for initial "feature" commands */
674 DisplayMessage("", "Starting chess program");
675 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
680 InitBackEnd3 P((void))
682 GameMode initialMode;
686 InitChessProgram(&first);
688 if (appData.icsActive) {
691 if (*appData.icsCommPort != NULLCHAR) {
692 sprintf(buf, "Could not open comm port %s",
693 appData.icsCommPort);
695 sprintf(buf, "Could not connect to host %s, port %s",
696 appData.icsHost, appData.icsPort);
698 DisplayFatalError(buf, err, 1);
703 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
705 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
706 } else if (appData.noChessProgram) {
712 if (*appData.cmailGameName != NULLCHAR) {
714 OpenLoopback(&cmailPR);
716 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
720 DisplayMessage("", "");
721 if (StrCaseCmp(appData.initialMode, "") == 0) {
722 initialMode = BeginningOfGame;
723 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
724 initialMode = TwoMachinesPlay;
725 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
726 initialMode = AnalyzeFile;
727 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
728 initialMode = AnalyzeMode;
729 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
730 initialMode = MachinePlaysWhite;
731 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
732 initialMode = MachinePlaysBlack;
733 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
734 initialMode = EditGame;
735 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
736 initialMode = EditPosition;
737 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
738 initialMode = Training;
740 sprintf(buf, "Unknown initialMode %s", appData.initialMode);
741 DisplayFatalError(buf, 0, 2);
745 if (appData.matchMode) {
746 /* Set up machine vs. machine match */
747 if (appData.noChessProgram) {
748 DisplayFatalError("Can't have a match with no chess programs",
754 if (*appData.loadGameFile != NULLCHAR) {
755 if (!LoadGameFromFile(appData.loadGameFile,
756 appData.loadGameIndex,
757 appData.loadGameFile, FALSE)) {
758 DisplayFatalError("Bad game file", 0, 1);
761 } else if (*appData.loadPositionFile != NULLCHAR) {
762 if (!LoadPositionFromFile(appData.loadPositionFile,
763 appData.loadPositionIndex,
764 appData.loadPositionFile)) {
765 DisplayFatalError("Bad position file", 0, 1);
770 } else if (*appData.cmailGameName != NULLCHAR) {
771 /* Set up cmail mode */
772 ReloadCmailMsgEvent(TRUE);
774 /* Set up other modes */
775 if (initialMode == AnalyzeFile) {
776 if (*appData.loadGameFile == NULLCHAR) {
777 DisplayFatalError("AnalyzeFile mode requires a game file", 0, 1);
781 if (*appData.loadGameFile != NULLCHAR) {
782 (void) LoadGameFromFile(appData.loadGameFile,
783 appData.loadGameIndex,
784 appData.loadGameFile, TRUE);
785 } else if (*appData.loadPositionFile != NULLCHAR) {
786 (void) LoadPositionFromFile(appData.loadPositionFile,
787 appData.loadPositionIndex,
788 appData.loadPositionFile);
790 if (initialMode == AnalyzeMode) {
791 if (appData.noChessProgram) {
792 DisplayFatalError("Analysis mode requires a chess engine", 0, 2);
795 if (appData.icsActive) {
796 DisplayFatalError("Analysis mode does not work with ICS mode",0,2);
800 } else if (initialMode == AnalyzeFile) {
801 ShowThinkingEvent(TRUE);
803 AnalysisPeriodicEvent(1);
804 } else if (initialMode == MachinePlaysWhite) {
805 if (appData.noChessProgram) {
806 DisplayFatalError("MachineWhite mode requires a chess engine",
810 if (appData.icsActive) {
811 DisplayFatalError("MachineWhite mode does not work with ICS mode",
816 } else if (initialMode == MachinePlaysBlack) {
817 if (appData.noChessProgram) {
818 DisplayFatalError("MachineBlack mode requires a chess engine",
822 if (appData.icsActive) {
823 DisplayFatalError("MachineBlack mode does not work with ICS mode",
828 } else if (initialMode == TwoMachinesPlay) {
829 if (appData.noChessProgram) {
830 DisplayFatalError("TwoMachines mode requires a chess engine",
834 if (appData.icsActive) {
835 DisplayFatalError("TwoMachines mode does not work with ICS mode",
840 } else if (initialMode == EditGame) {
842 } else if (initialMode == EditPosition) {
844 } else if (initialMode == Training) {
845 if (*appData.loadGameFile == NULLCHAR) {
846 DisplayFatalError("Training mode requires a game file", 0, 2);
855 * Establish will establish a contact to a remote host.port.
856 * Sets icsPR to a ProcRef for a process (or pseudo-process)
857 * used to talk to the host.
858 * Returns 0 if okay, error code if not.
865 if (*appData.icsCommPort != NULLCHAR) {
866 /* Talk to the host through a serial comm port */
867 return OpenCommPort(appData.icsCommPort, &icsPR);
869 } else if (*appData.gateway != NULLCHAR) {
870 if (*appData.remoteShell == NULLCHAR) {
871 /* Use the rcmd protocol to run telnet program on a gateway host */
872 sprintf(buf, "%s %s %s",
873 appData.telnetProgram, appData.icsHost, appData.icsPort);
874 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
877 /* Use the rsh program to run telnet program on a gateway host */
878 if (*appData.remoteUser == NULLCHAR) {
879 sprintf(buf, "%s %s %s %s %s", appData.remoteShell,
880 appData.gateway, appData.telnetProgram,
881 appData.icsHost, appData.icsPort);
883 sprintf(buf, "%s %s -l %s %s %s %s",
884 appData.remoteShell, appData.gateway,
885 appData.remoteUser, appData.telnetProgram,
886 appData.icsHost, appData.icsPort);
888 return StartChildProcess(buf, "", &icsPR);
891 } else if (appData.useTelnet) {
892 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
895 /* TCP socket interface differs somewhat between
896 Unix and NT; handle details in the front end.
898 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
903 show_bytes(fp, buf, count)
909 if (*buf < 040 || *(unsigned char *) buf > 0177) {
910 fprintf(fp, "\\%03o", *buf & 0xff);
919 /* Returns an errno value */
921 OutputMaybeTelnet(pr, message, count, outError)
927 char buf[8192], *p, *q, *buflim;
928 int left, newcount, outcount;
930 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
931 *appData.gateway != NULLCHAR) {
932 if (appData.debugMode) {
933 fprintf(debugFP, ">ICS: ");
934 show_bytes(debugFP, message, count);
935 fprintf(debugFP, "\n");
937 return OutputToProcess(pr, message, count, outError);
940 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
947 if (appData.debugMode) {
948 fprintf(debugFP, ">ICS: ");
949 show_bytes(debugFP, buf, newcount);
950 fprintf(debugFP, "\n");
952 outcount = OutputToProcess(pr, buf, newcount, outError);
953 if (outcount < newcount) return -1; /* to be sure */
960 } else if (((unsigned char) *p) == TN_IAC) {
961 *q++ = (char) TN_IAC;
968 if (appData.debugMode) {
969 fprintf(debugFP, ">ICS: ");
970 show_bytes(debugFP, buf, newcount);
971 fprintf(debugFP, "\n");
973 outcount = OutputToProcess(pr, buf, newcount, outError);
974 if (outcount < newcount) return -1; /* to be sure */
979 read_from_player(isr, closure, message, count, error)
986 int outError, outCount;
987 static int gotEof = 0;
989 /* Pass data read from player on to ICS */
992 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
993 if (outCount < count) {
994 DisplayFatalError("Error writing to ICS", outError, 1);
996 } else if (count < 0) {
997 RemoveInputSource(isr);
998 DisplayFatalError("Error reading from keyboard", error, 1);
999 } else if (gotEof++ > 0) {
1000 RemoveInputSource(isr);
1001 DisplayFatalError("Got end of file from keyboard", 0, 0);
1009 int count, outCount, outError;
1011 if (icsPR == NULL) return;
1014 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1015 if (outCount < count) {
1016 DisplayFatalError("Error writing to ICS", outError, 1);
1020 /* This is used for sending logon scripts to the ICS. Sending
1021 without a delay causes problems when using timestamp on ICC
1022 (at least on my machine). */
1024 SendToICSDelayed(s,msdelay)
1028 int count, outCount, outError;
1030 if (icsPR == NULL) return;
1033 if (appData.debugMode) {
1034 fprintf(debugFP, ">ICS: ");
1035 show_bytes(debugFP, s, count);
1036 fprintf(debugFP, "\n");
1038 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1040 if (outCount < count) {
1041 DisplayFatalError("Error writing to ICS", outError, 1);
1046 /* Remove all highlighting escape sequences in s
1047 Also deletes any suffix starting with '('
1050 StripHighlightAndTitle(s)
1053 static char retbuf[MSG_SIZ];
1056 while (*s != NULLCHAR) {
1057 while (*s == '\033') {
1058 while (*s != NULLCHAR && !isalpha(*s)) s++;
1059 if (*s != NULLCHAR) s++;
1061 while (*s != NULLCHAR && *s != '\033') {
1062 if (*s == '(' || *s == '[') {
1073 /* Remove all highlighting escape sequences in s */
1078 static char retbuf[MSG_SIZ];
1081 while (*s != NULLCHAR) {
1082 while (*s == '\033') {
1083 while (*s != NULLCHAR && !isalpha(*s)) s++;
1084 if (*s != NULLCHAR) s++;
1086 while (*s != NULLCHAR && *s != '\033') {
1094 char *variantNames[] = VARIANT_NAMES;
1099 return variantNames[v];
1103 /* Identify a variant from the strings the chess servers use or the
1104 PGN Variant tag names we use. */
1111 VariantClass v = VariantNormal;
1112 int i, found = FALSE;
1117 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1118 if (StrCaseStr(e, variantNames[i])) {
1119 v = (VariantClass) i;
1126 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1127 || StrCaseStr(e, "wild/fr")) {
1128 v = VariantFischeRandom;
1129 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1130 (i = 1, p = StrCaseStr(e, "w"))) {
1132 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1139 case 0: /* FICS only, actually */
1141 /* Castling legal even if K starts on d-file */
1142 v = VariantWildCastle;
1147 /* Castling illegal even if K & R happen to start in
1148 normal positions. */
1149 v = VariantNoCastle;
1162 /* Castling legal iff K & R start in normal positions */
1168 /* Special wilds for position setup; unclear what to do here */
1169 v = VariantLoadable;
1172 /* Bizarre ICC game */
1173 v = VariantTwoKings;
1176 v = VariantKriegspiel;
1182 v = VariantFischeRandom;
1185 v = VariantCrazyhouse;
1188 v = VariantBughouse;
1194 /* Not quite the same as FICS suicide! */
1195 v = VariantGiveaway;
1201 v = VariantShatranj;
1204 /* Temporary names for future ICC types. The name *will* change in
1205 the next xboard/WinBoard release after ICC defines it. */
1232 /* Found "wild" or "w" in the string but no number;
1233 must assume it's normal chess. */
1237 sprintf(buf, "Unknown wild type %d", wnum);
1238 DisplayError(buf, 0);
1244 if (appData.debugMode) {
1245 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
1246 e, wnum, VariantName(v));
1251 static int leftover_start = 0, leftover_len = 0;
1252 char star_match[STAR_MATCH_N][MSG_SIZ];
1254 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1255 advance *index beyond it, and set leftover_start to the new value of
1256 *index; else return FALSE. If pattern contains the character '*', it
1257 matches any sequence of characters not containing '\r', '\n', or the
1258 character following the '*' (if any), and the matched sequence(s) are
1259 copied into star_match.
1262 looking_at(buf, index, pattern)
1267 char *bufp = &buf[*index], *patternp = pattern;
1269 char *matchp = star_match[0];
1272 if (*patternp == NULLCHAR) {
1273 *index = leftover_start = bufp - buf;
1277 if (*bufp == NULLCHAR) return FALSE;
1278 if (*patternp == '*') {
1279 if (*bufp == *(patternp + 1)) {
1281 matchp = star_match[++star_count];
1285 } else if (*bufp == '\n' || *bufp == '\r') {
1287 if (*patternp == NULLCHAR)
1292 *matchp++ = *bufp++;
1296 if (*patternp != *bufp) return FALSE;
1303 SendToPlayer(data, length)
1307 int error, outCount;
1308 outCount = OutputToProcess(NoProc, data, length, &error);
1309 if (outCount < length) {
1310 DisplayFatalError("Error writing to display", error, 1);
1315 PackHolding(packed, holding)
1327 switch (runlength) {
1338 sprintf(q, "%d", runlength);
1350 /* Telnet protocol requests from the front end */
1352 TelnetRequest(ddww, option)
1353 unsigned char ddww, option;
1355 unsigned char msg[3];
1356 int outCount, outError;
1358 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1360 if (appData.debugMode) {
1361 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1377 sprintf(buf1, "%d", ddww);
1386 sprintf(buf2, "%d", option);
1389 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1394 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1396 DisplayFatalError("Error writing to ICS", outError, 1);
1403 if (!appData.icsActive) return;
1404 TelnetRequest(TN_DO, TN_ECHO);
1410 if (!appData.icsActive) return;
1411 TelnetRequest(TN_DONT, TN_ECHO);
1414 static int loggedOn = FALSE;
1416 /*-- Game start info cache: --*/
1418 char gs_kind[MSG_SIZ];
1419 static char player1Name[128] = "";
1420 static char player2Name[128] = "";
1421 static int player1Rating = -1;
1422 static int player2Rating = -1;
1423 /*----------------------------*/
1426 read_from_ics(isr, closure, data, count, error)
1433 #define BUF_SIZE 8192
1434 #define STARTED_NONE 0
1435 #define STARTED_MOVES 1
1436 #define STARTED_BOARD 2
1437 #define STARTED_OBSERVE 3
1438 #define STARTED_HOLDINGS 4
1439 #define STARTED_CHATTER 5
1440 #define STARTED_COMMENT 6
1441 #define STARTED_MOVES_NOHIDE 7
1443 static int started = STARTED_NONE;
1444 static char parse[20000];
1445 static int parse_pos = 0;
1446 static char buf[BUF_SIZE + 1];
1447 static int firstTime = TRUE, intfSet = FALSE;
1448 static ColorClass curColor = ColorNormal;
1449 static ColorClass prevColor = ColorNormal;
1450 static int savingComment = FALSE;
1459 /* If last read ended with a partial line that we couldn't parse,
1460 prepend it to the new read and try again. */
1461 if (leftover_len > 0) {
1462 for (i=0; i<leftover_len; i++)
1463 buf[i] = buf[leftover_start + i];
1466 /* Copy in new characters, removing nulls and \r's */
1467 buf_len = leftover_len;
1468 for (i = 0; i < count; i++) {
1469 if (data[i] != NULLCHAR && data[i] != '\r')
1470 buf[buf_len++] = data[i];
1473 buf[buf_len] = NULLCHAR;
1474 next_out = leftover_len;
1478 while (i < buf_len) {
1479 /* Deal with part of the TELNET option negotiation
1480 protocol. We refuse to do anything beyond the
1481 defaults, except that we allow the WILL ECHO option,
1482 which ICS uses to turn off password echoing when we are
1483 directly connected to it. We reject this option
1484 if localLineEditing mode is on (always on in xboard)
1485 and we are talking to port 23, which might be a real
1486 telnet server that will try to keep WILL ECHO on permanently.
1488 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
1489 static int remoteEchoOption = FALSE; /* telnet ECHO option */
1490 unsigned char option;
1492 switch ((unsigned char) buf[++i]) {
1494 if (appData.debugMode)
1495 fprintf(debugFP, "\n<WILL ");
1496 switch (option = (unsigned char) buf[++i]) {
1498 if (appData.debugMode)
1499 fprintf(debugFP, "ECHO ");
1500 /* Reply only if this is a change, according
1501 to the protocol rules. */
1502 if (remoteEchoOption) break;
1503 if (appData.localLineEditing &&
1504 atoi(appData.icsPort) == TN_PORT) {
1505 TelnetRequest(TN_DONT, TN_ECHO);
1508 TelnetRequest(TN_DO, TN_ECHO);
1509 remoteEchoOption = TRUE;
1513 if (appData.debugMode)
1514 fprintf(debugFP, "%d ", option);
1515 /* Whatever this is, we don't want it. */
1516 TelnetRequest(TN_DONT, option);
1521 if (appData.debugMode)
1522 fprintf(debugFP, "\n<WONT ");
1523 switch (option = (unsigned char) buf[++i]) {
1525 if (appData.debugMode)
1526 fprintf(debugFP, "ECHO ");
1527 /* Reply only if this is a change, according
1528 to the protocol rules. */
1529 if (!remoteEchoOption) break;
1531 TelnetRequest(TN_DONT, TN_ECHO);
1532 remoteEchoOption = FALSE;
1535 if (appData.debugMode)
1536 fprintf(debugFP, "%d ", (unsigned char) option);
1537 /* Whatever this is, it must already be turned
1538 off, because we never agree to turn on
1539 anything non-default, so according to the
1540 protocol rules, we don't reply. */
1545 if (appData.debugMode)
1546 fprintf(debugFP, "\n<DO ");
1547 switch (option = (unsigned char) buf[++i]) {
1549 /* Whatever this is, we refuse to do it. */
1550 if (appData.debugMode)
1551 fprintf(debugFP, "%d ", option);
1552 TelnetRequest(TN_WONT, option);
1557 if (appData.debugMode)
1558 fprintf(debugFP, "\n<DONT ");
1559 switch (option = (unsigned char) buf[++i]) {
1561 if (appData.debugMode)
1562 fprintf(debugFP, "%d ", option);
1563 /* Whatever this is, we are already not doing
1564 it, because we never agree to do anything
1565 non-default, so according to the protocol
1566 rules, we don't reply. */
1571 if (appData.debugMode)
1572 fprintf(debugFP, "\n<IAC ");
1573 /* Doubled IAC; pass it through */
1577 if (appData.debugMode)
1578 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
1579 /* Drop all other telnet commands on the floor */
1582 if (oldi > next_out)
1583 SendToPlayer(&buf[next_out], oldi - next_out);
1589 /* OK, this at least will *usually* work */
1590 if (!loggedOn && looking_at(buf, &i, "ics%")) {
1594 if (loggedOn && !intfSet) {
1595 if (ics_type == ICS_ICC) {
1597 "/set-quietly interface %s\n/set-quietly style 12\n",
1600 } else if (ics_type == ICS_CHESSNET) {
1601 sprintf(str, "/style 12\n");
1603 strcpy(str, "alias $ @\n$set interface ");
1604 strcat(str, programVersion);
1605 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
1607 strcat(str, "$iset nohighlight 1\n");
1609 strcat(str, "$iset lock 1\n$style 12\n");
1615 if (started == STARTED_COMMENT) {
1616 /* Accumulate characters in comment */
1617 parse[parse_pos++] = buf[i];
1618 if (buf[i] == '\n') {
1619 parse[parse_pos] = NULLCHAR;
1620 AppendComment(forwardMostMove, StripHighlight(parse));
1621 started = STARTED_NONE;
1623 /* Don't match patterns against characters in chatter */
1628 if (started == STARTED_CHATTER) {
1629 if (buf[i] != '\n') {
1630 /* Don't match patterns against characters in chatter */
1634 started = STARTED_NONE;
1637 /* Kludge to deal with rcmd protocol */
1638 if (firstTime && looking_at(buf, &i, "\001*")) {
1639 DisplayFatalError(&buf[1], 0, 1);
1645 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
1648 if (appData.debugMode)
1649 fprintf(debugFP, "ics_type %d\n", ics_type);
1652 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
1653 ics_type = ICS_FICS;
1655 if (appData.debugMode)
1656 fprintf(debugFP, "ics_type %d\n", ics_type);
1659 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
1660 ics_type = ICS_CHESSNET;
1662 if (appData.debugMode)
1663 fprintf(debugFP, "ics_type %d\n", ics_type);
1668 (looking_at(buf, &i, "\"*\" is *a registered name") ||
1669 looking_at(buf, &i, "Logging you in as \"*\"") ||
1670 looking_at(buf, &i, "will be \"*\""))) {
1671 strcpy(ics_handle, star_match[0]);
1675 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
1677 sprintf(buf, "%s@%s", ics_handle, appData.icsHost);
1678 DisplayIcsInteractionTitle(buf);
1679 have_set_title = TRUE;
1682 /* skip finger notes */
1683 if (started == STARTED_NONE &&
1684 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
1685 (buf[i] == '1' && buf[i+1] == '0')) &&
1686 buf[i+2] == ':' && buf[i+3] == ' ') {
1687 started = STARTED_CHATTER;
1692 /* skip formula vars */
1693 if (started == STARTED_NONE &&
1694 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
1695 started = STARTED_CHATTER;
1701 if (appData.zippyTalk || appData.zippyPlay) {
1703 if (ZippyControl(buf, &i) ||
1704 ZippyConverse(buf, &i) ||
1705 (appData.zippyPlay && ZippyMatch(buf, &i))) {
1711 if (/* Don't color "message" or "messages" output */
1712 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
1713 looking_at(buf, &i, "*. * at *:*: ") ||
1714 looking_at(buf, &i, "--* (*:*): ") ||
1715 /* Regular tells and says */
1716 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
1717 looking_at(buf, &i, "* (your partner) tells you: ") ||
1718 looking_at(buf, &i, "* says: ") ||
1719 /* Message notifications (same color as tells) */
1720 looking_at(buf, &i, "* has left a message ") ||
1721 looking_at(buf, &i, "* just sent you a message:\n") ||
1722 /* Whispers and kibitzes */
1723 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
1724 looking_at(buf, &i, "* kibitzes: ") ||
1726 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
1728 if (tkind == 1 && strchr(star_match[0], ':')) {
1729 /* Avoid "tells you:" spoofs in channels */
1732 if (star_match[0][0] == NULLCHAR ||
1733 strchr(star_match[0], ' ') ||
1734 (tkind == 3 && strchr(star_match[1], ' '))) {
1735 /* Reject bogus matches */
1738 if (appData.colorize) {
1739 if (oldi > next_out) {
1740 SendToPlayer(&buf[next_out], oldi - next_out);
1745 Colorize(ColorTell, FALSE);
1746 curColor = ColorTell;
1749 Colorize(ColorKibitz, FALSE);
1750 curColor = ColorKibitz;
1753 p = strrchr(star_match[1], '(');
1760 Colorize(ColorChannel1, FALSE);
1761 curColor = ColorChannel1;
1763 Colorize(ColorChannel, FALSE);
1764 curColor = ColorChannel;
1768 curColor = ColorNormal;
1772 if (started == STARTED_NONE && appData.autoComment &&
1773 (gameMode == IcsObserving ||
1774 gameMode == IcsPlayingWhite ||
1775 gameMode == IcsPlayingBlack)) {
1776 parse_pos = i - oldi;
1777 memcpy(parse, &buf[oldi], parse_pos);
1778 parse[parse_pos] = NULLCHAR;
1779 started = STARTED_COMMENT;
1780 savingComment = TRUE;
1782 started = STARTED_CHATTER;
1783 savingComment = FALSE;
1790 if (looking_at(buf, &i, "* s-shouts: ") ||
1791 looking_at(buf, &i, "* c-shouts: ")) {
1792 if (appData.colorize) {
1793 if (oldi > next_out) {
1794 SendToPlayer(&buf[next_out], oldi - next_out);
1797 Colorize(ColorSShout, FALSE);
1798 curColor = ColorSShout;
1801 started = STARTED_CHATTER;
1805 if (looking_at(buf, &i, "--->")) {
1810 if (looking_at(buf, &i, "* shouts: ") ||
1811 looking_at(buf, &i, "--> ")) {
1812 if (appData.colorize) {
1813 if (oldi > next_out) {
1814 SendToPlayer(&buf[next_out], oldi - next_out);
1817 Colorize(ColorShout, FALSE);
1818 curColor = ColorShout;
1821 started = STARTED_CHATTER;
1825 if (looking_at( buf, &i, "Challenge:")) {
1826 if (appData.colorize) {
1827 if (oldi > next_out) {
1828 SendToPlayer(&buf[next_out], oldi - next_out);
1831 Colorize(ColorChallenge, FALSE);
1832 curColor = ColorChallenge;
1838 if (looking_at(buf, &i, "* offers you") ||
1839 looking_at(buf, &i, "* offers to be") ||
1840 looking_at(buf, &i, "* would like to") ||
1841 looking_at(buf, &i, "* requests to") ||
1842 looking_at(buf, &i, "Your opponent offers") ||
1843 looking_at(buf, &i, "Your opponent requests")) {
1845 if (appData.colorize) {
1846 if (oldi > next_out) {
1847 SendToPlayer(&buf[next_out], oldi - next_out);
1850 Colorize(ColorRequest, FALSE);
1851 curColor = ColorRequest;
1856 if (looking_at(buf, &i, "* (*) seeking")) {
1857 if (appData.colorize) {
1858 if (oldi > next_out) {
1859 SendToPlayer(&buf[next_out], oldi - next_out);
1862 Colorize(ColorSeek, FALSE);
1863 curColor = ColorSeek;
1869 if (looking_at(buf, &i, "\\ ")) {
1870 if (prevColor != ColorNormal) {
1871 if (oldi > next_out) {
1872 SendToPlayer(&buf[next_out], oldi - next_out);
1875 Colorize(prevColor, TRUE);
1876 curColor = prevColor;
1878 if (savingComment) {
1879 parse_pos = i - oldi;
1880 memcpy(parse, &buf[oldi], parse_pos);
1881 parse[parse_pos] = NULLCHAR;
1882 started = STARTED_COMMENT;
1884 started = STARTED_CHATTER;
1889 if (looking_at(buf, &i, "Black Strength :") ||
1890 looking_at(buf, &i, "<<< style 10 board >>>") ||
1891 looking_at(buf, &i, "<10>") ||
1892 looking_at(buf, &i, "#@#")) {
1893 /* Wrong board style */
1895 SendToICS(ics_prefix);
1896 SendToICS("set style 12\n");
1897 SendToICS(ics_prefix);
1898 SendToICS("refresh\n");
1902 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
1904 have_sent_ICS_logon = 1;
1908 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
1909 (looking_at(buf, &i, "\n<12> ") ||
1910 looking_at(buf, &i, "<12> "))) {
1912 if (oldi > next_out) {
1913 SendToPlayer(&buf[next_out], oldi - next_out);
1916 started = STARTED_BOARD;
1921 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
1922 looking_at(buf, &i, "<b1> ")) {
1923 if (oldi > next_out) {
1924 SendToPlayer(&buf[next_out], oldi - next_out);
1927 started = STARTED_HOLDINGS;
1932 if (looking_at(buf, &i, "* *vs. * *--- *")) {
1934 /* Header for a move list -- first line */
1936 switch (ics_getting_history) {
1940 case BeginningOfGame:
1941 /* User typed "moves" or "oldmoves" while we
1942 were idle. Pretend we asked for these
1943 moves and soak them up so user can step
1944 through them and/or save them.
1947 gameMode = IcsObserving;
1950 ics_getting_history = H_GOT_UNREQ_HEADER;
1952 case EditGame: /*?*/
1953 case EditPosition: /*?*/
1954 /* Should above feature work in these modes too? */
1955 /* For now it doesn't */
1956 ics_getting_history = H_GOT_UNWANTED_HEADER;
1959 ics_getting_history = H_GOT_UNWANTED_HEADER;
1964 /* Is this the right one? */
1965 if (gameInfo.white && gameInfo.black &&
1966 strcmp(gameInfo.white, star_match[0]) == 0 &&
1967 strcmp(gameInfo.black, star_match[2]) == 0) {
1969 ics_getting_history = H_GOT_REQ_HEADER;
1972 case H_GOT_REQ_HEADER:
1973 case H_GOT_UNREQ_HEADER:
1974 case H_GOT_UNWANTED_HEADER:
1975 case H_GETTING_MOVES:
1976 /* Should not happen */
1977 DisplayError("Error gathering move list: two headers", 0);
1978 ics_getting_history = H_FALSE;
1982 /* Save player ratings into gameInfo if needed */
1983 if ((ics_getting_history == H_GOT_REQ_HEADER ||
1984 ics_getting_history == H_GOT_UNREQ_HEADER) &&
1985 (gameInfo.whiteRating == -1 ||
1986 gameInfo.blackRating == -1)) {
1988 gameInfo.whiteRating = string_to_rating(star_match[1]);
1989 gameInfo.blackRating = string_to_rating(star_match[3]);
1990 if (appData.debugMode)
1991 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
1992 gameInfo.whiteRating, gameInfo.blackRating);
1997 if (looking_at(buf, &i,
1998 "* * match, initial time: * minute*, increment: * second")) {
1999 /* Header for a move list -- second line */
2000 /* Initial board will follow if this is a wild game */
2002 if (gameInfo.event != NULL) free(gameInfo.event);
2003 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2004 gameInfo.event = StrSave(str);
2005 gameInfo.variant = StringToVariant(gameInfo.event);
2009 if (looking_at(buf, &i, "Move ")) {
2010 /* Beginning of a move list */
2011 switch (ics_getting_history) {
2013 /* Normally should not happen */
2014 /* Maybe user hit reset while we were parsing */
2017 /* Happens if we are ignoring a move list that is not
2018 * the one we just requested. Common if the user
2019 * tries to observe two games without turning off
2022 case H_GETTING_MOVES:
2023 /* Should not happen */
2024 DisplayError("Error gathering move list: nested", 0);
2025 ics_getting_history = H_FALSE;
2027 case H_GOT_REQ_HEADER:
2028 ics_getting_history = H_GETTING_MOVES;
2029 started = STARTED_MOVES;
2031 if (oldi > next_out) {
2032 SendToPlayer(&buf[next_out], oldi - next_out);
2035 case H_GOT_UNREQ_HEADER:
2036 ics_getting_history = H_GETTING_MOVES;
2037 started = STARTED_MOVES_NOHIDE;
2040 case H_GOT_UNWANTED_HEADER:
2041 ics_getting_history = H_FALSE;
2047 if (looking_at(buf, &i, "% ") ||
2048 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2049 && looking_at(buf, &i, "}*"))) {
2050 savingComment = FALSE;
2053 case STARTED_MOVES_NOHIDE:
2054 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2055 parse[parse_pos + i - oldi] = NULLCHAR;
2056 ParseGameHistory(parse);
2058 if (appData.zippyPlay && first.initDone) {
2059 FeedMovesToProgram(&first, forwardMostMove);
2060 if (gameMode == IcsPlayingWhite) {
2061 if (WhiteOnMove(forwardMostMove)) {
2062 if (first.sendTime) {
2063 if (first.useColors) {
2064 SendToProgram("black\n", &first);
2066 SendTimeRemaining(&first, TRUE);
2068 if (first.useColors) {
2069 SendToProgram("white\ngo\n", &first);
2071 SendToProgram("go\n", &first);
2073 first.maybeThinking = TRUE;
2075 if (first.usePlayother) {
2076 if (first.sendTime) {
2077 SendTimeRemaining(&first, TRUE);
2079 SendToProgram("playother\n", &first);
2085 } else if (gameMode == IcsPlayingBlack) {
2086 if (!WhiteOnMove(forwardMostMove)) {
2087 if (first.sendTime) {
2088 if (first.useColors) {
2089 SendToProgram("white\n", &first);
2091 SendTimeRemaining(&first, FALSE);
2093 if (first.useColors) {
2094 SendToProgram("black\ngo\n", &first);
2096 SendToProgram("go\n", &first);
2098 first.maybeThinking = TRUE;
2100 if (first.usePlayother) {
2101 if (first.sendTime) {
2102 SendTimeRemaining(&first, FALSE);
2104 SendToProgram("playother\n", &first);
2113 if (gameMode == IcsObserving && ics_gamenum == -1) {
2114 /* Moves came from oldmoves or moves command
2115 while we weren't doing anything else.
2117 currentMove = forwardMostMove;
2118 ClearHighlights();/*!!could figure this out*/
2119 flipView = appData.flipView;
2120 DrawPosition(FALSE, boards[currentMove]);
2121 DisplayBothClocks();
2122 sprintf(str, "%s vs. %s",
2123 gameInfo.white, gameInfo.black);
2127 /* Moves were history of an active game */
2128 if (gameInfo.resultDetails != NULL) {
2129 free(gameInfo.resultDetails);
2130 gameInfo.resultDetails = NULL;
2133 HistorySet(parseList, backwardMostMove,
2134 forwardMostMove, currentMove-1);
2135 DisplayMove(currentMove - 1);
2136 if (started == STARTED_MOVES) next_out = i;
2137 started = STARTED_NONE;
2138 ics_getting_history = H_FALSE;
2141 case STARTED_OBSERVE:
2142 started = STARTED_NONE;
2143 SendToICS(ics_prefix);
2144 SendToICS("refresh\n");
2153 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2154 started == STARTED_HOLDINGS ||
2155 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2156 /* Accumulate characters in move list or board */
2157 parse[parse_pos++] = buf[i];
2160 /* Start of game messages. Mostly we detect start of game
2161 when the first board image arrives. On some versions
2162 of the ICS, though, we need to do a "refresh" after starting
2163 to observe in order to get the current board right away. */
2164 if (looking_at(buf, &i, "Adding game * to observation list")) {
2165 started = STARTED_OBSERVE;
2169 /* Handle auto-observe */
2170 if (appData.autoObserve &&
2171 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2172 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2174 /* Choose the player that was highlighted, if any. */
2175 if (star_match[0][0] == '\033' ||
2176 star_match[1][0] != '\033') {
2177 player = star_match[0];
2179 player = star_match[2];
2181 sprintf(str, "%sobserve %s\n",
2182 ics_prefix, StripHighlightAndTitle(player));
2185 /* Save ratings from notify string */
2186 strcpy(player1Name, star_match[0]);
2187 player1Rating = string_to_rating(star_match[1]);
2188 strcpy(player2Name, star_match[2]);
2189 player2Rating = string_to_rating(star_match[3]);
2191 if (appData.debugMode)
2193 "Ratings from 'Game notification:' %s %d, %s %d\n",
2194 player1Name, player1Rating,
2195 player2Name, player2Rating);
2200 /* Deal with automatic examine mode after a game,
2201 and with IcsObserving -> IcsExamining transition */
2202 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2203 looking_at(buf, &i, "has made you an examiner of game *")) {
2205 int gamenum = atoi(star_match[0]);
2206 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2207 gamenum == ics_gamenum) {
2208 /* We were already playing or observing this game;
2209 no need to refetch history */
2210 gameMode = IcsExamining;
2212 pauseExamForwardMostMove = forwardMostMove;
2213 } else if (currentMove < forwardMostMove) {
2214 ForwardInner(forwardMostMove);
2217 /* I don't think this case really can happen */
2218 SendToICS(ics_prefix);
2219 SendToICS("refresh\n");
2224 /* Error messages */
2225 if (ics_user_moved) {
2226 if (looking_at(buf, &i, "Illegal move") ||
2227 looking_at(buf, &i, "Not a legal move") ||
2228 looking_at(buf, &i, "Your king is in check") ||
2229 looking_at(buf, &i, "It isn't your turn") ||
2230 looking_at(buf, &i, "It is not your move")) {
2233 if (forwardMostMove > backwardMostMove) {
2234 currentMove = --forwardMostMove;
2235 DisplayMove(currentMove - 1); /* before DMError */
2236 DisplayMoveError("Illegal move (rejected by ICS)");
2237 DrawPosition(FALSE, boards[currentMove]);
2239 DisplayBothClocks();
2245 if (looking_at(buf, &i, "still have time") ||
2246 looking_at(buf, &i, "not out of time") ||
2247 looking_at(buf, &i, "either player is out of time") ||
2248 looking_at(buf, &i, "has timeseal; checking")) {
2249 /* We must have called his flag a little too soon */
2250 whiteFlag = blackFlag = FALSE;
2254 if (looking_at(buf, &i, "added * seconds to") ||
2255 looking_at(buf, &i, "seconds were added to")) {
2256 /* Update the clocks */
2257 SendToICS(ics_prefix);
2258 SendToICS("refresh\n");
2262 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
2263 ics_clock_paused = TRUE;
2268 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
2269 ics_clock_paused = FALSE;
2274 /* Grab player ratings from the Creating: message.
2275 Note we have to check for the special case when
2276 the ICS inserts things like [white] or [black]. */
2277 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
2278 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
2280 0 player 1 name (not necessarily white)
2282 2 empty, white, or black (IGNORED)
2283 3 player 2 name (not necessarily black)
2286 The names/ratings are sorted out when the game
2287 actually starts (below).
2289 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
2290 player1Rating = string_to_rating(star_match[1]);
2291 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
2292 player2Rating = string_to_rating(star_match[4]);
2294 if (appData.debugMode)
2296 "Ratings from 'Creating:' %s %d, %s %d\n",
2297 player1Name, player1Rating,
2298 player2Name, player2Rating);
2303 /* Improved generic start/end-of-game messages */
2304 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
2305 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
2306 /* If tkind == 0: */
2307 /* star_match[0] is the game number */
2308 /* [1] is the white player's name */
2309 /* [2] is the black player's name */
2310 /* For end-of-game: */
2311 /* [3] is the reason for the game end */
2312 /* [4] is a PGN end game-token, preceded by " " */
2313 /* For start-of-game: */
2314 /* [3] begins with "Creating" or "Continuing" */
2315 /* [4] is " *" or empty (don't care). */
2316 int gamenum = atoi(star_match[0]);
2317 char *whitename, *blackname, *why, *endtoken;
2318 ChessMove endtype = (ChessMove) 0;
2321 whitename = star_match[1];
2322 blackname = star_match[2];
2323 why = star_match[3];
2324 endtoken = star_match[4];
2326 whitename = star_match[1];
2327 blackname = star_match[3];
2328 why = star_match[5];
2329 endtoken = star_match[6];
2332 /* Game start messages */
2333 if (strncmp(why, "Creating ", 9) == 0 ||
2334 strncmp(why, "Continuing ", 11) == 0) {
2335 gs_gamenum = gamenum;
2336 strcpy(gs_kind, strchr(why, ' ') + 1);
2338 if (appData.zippyPlay) {
2339 ZippyGameStart(whitename, blackname);
2345 /* Game end messages */
2346 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
2347 ics_gamenum != gamenum) {
2350 while (endtoken[0] == ' ') endtoken++;
2351 switch (endtoken[0]) {
2354 endtype = GameUnfinished;
2357 endtype = BlackWins;
2360 if (endtoken[1] == '/')
2361 endtype = GameIsDrawn;
2363 endtype = WhiteWins;
2366 GameEnds(endtype, why, GE_ICS);
2368 if (appData.zippyPlay && first.initDone) {
2369 ZippyGameEnd(endtype, why);
2370 if (first.pr == NULL) {
2371 /* Start the next process early so that we'll
2372 be ready for the next challenge */
2373 StartChessProgram(&first);
2375 /* Send "new" early, in case this command takes
2376 a long time to finish, so that we'll be ready
2377 for the next challenge. */
2384 if (looking_at(buf, &i, "Removing game * from observation") ||
2385 looking_at(buf, &i, "no longer observing game *") ||
2386 looking_at(buf, &i, "Game * (*) has no examiners")) {
2387 if (gameMode == IcsObserving &&
2388 atoi(star_match[0]) == ics_gamenum)
2393 ics_user_moved = FALSE;
2398 if (looking_at(buf, &i, "no longer examining game *")) {
2399 if (gameMode == IcsExamining &&
2400 atoi(star_match[0]) == ics_gamenum)
2404 ics_user_moved = FALSE;
2409 /* Advance leftover_start past any newlines we find,
2410 so only partial lines can get reparsed */
2411 if (looking_at(buf, &i, "\n")) {
2412 prevColor = curColor;
2413 if (curColor != ColorNormal) {
2414 if (oldi > next_out) {
2415 SendToPlayer(&buf[next_out], oldi - next_out);
2418 Colorize(ColorNormal, FALSE);
2419 curColor = ColorNormal;
2421 if (started == STARTED_BOARD) {
2422 started = STARTED_NONE;
2423 parse[parse_pos] = NULLCHAR;
2424 ParseBoard12(parse);
2427 /* Send premove here */
2428 if (appData.premove) {
2430 if (currentMove == 0 &&
2431 gameMode == IcsPlayingWhite &&
2432 appData.premoveWhite) {
2433 sprintf(str, "%s%s\n", ics_prefix,
2434 appData.premoveWhiteText);
2435 if (appData.debugMode)
2436 fprintf(debugFP, "Sending premove:\n");
2438 } else if (currentMove == 1 &&
2439 gameMode == IcsPlayingBlack &&
2440 appData.premoveBlack) {
2441 sprintf(str, "%s%s\n", ics_prefix,
2442 appData.premoveBlackText);
2443 if (appData.debugMode)
2444 fprintf(debugFP, "Sending premove:\n");
2446 } else if (gotPremove) {
2448 ClearPremoveHighlights();
2449 if (appData.debugMode)
2450 fprintf(debugFP, "Sending premove:\n");
2451 UserMoveEvent(premoveFromX, premoveFromY,
2452 premoveToX, premoveToY,
2457 /* Usually suppress following prompt */
2458 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
2459 if (looking_at(buf, &i, "*% ")) {
2460 savingComment = FALSE;
2464 } else if (started == STARTED_HOLDINGS) {
2466 char new_piece[MSG_SIZ];
2467 started = STARTED_NONE;
2468 parse[parse_pos] = NULLCHAR;
2469 if (appData.debugMode)
2470 fprintf(debugFP, "Parsing holdings: %s\n", parse);
2471 if (sscanf(parse, " game %d", &gamenum) == 1 &&
2472 gamenum == ics_gamenum) {
2473 if (gameInfo.variant == VariantNormal) {
2474 gameInfo.variant = VariantCrazyhouse; /*temp guess*/
2475 /* Get a move list just to see the header, which
2476 will tell us whether this is really bug or zh */
2477 if (ics_getting_history == H_FALSE) {
2478 ics_getting_history = H_REQUESTED;
2479 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2483 new_piece[0] = NULLCHAR;
2484 sscanf(parse, "game %d white [%s black [%s <- %s",
2485 &gamenum, white_holding, black_holding,
2487 white_holding[strlen(white_holding)-1] = NULLCHAR;
2488 black_holding[strlen(black_holding)-1] = NULLCHAR;
2490 if (appData.zippyPlay && first.initDone) {
2491 ZippyHoldings(white_holding, black_holding,
2495 if (tinyLayout || smallLayout) {
2496 char wh[16], bh[16];
2497 PackHolding(wh, white_holding);
2498 PackHolding(bh, black_holding);
2499 sprintf(str, "[%s-%s] %s-%s", wh, bh,
2500 gameInfo.white, gameInfo.black);
2502 sprintf(str, "%s [%s] vs. %s [%s]",
2503 gameInfo.white, white_holding,
2504 gameInfo.black, black_holding);
2506 DrawPosition(FALSE, NULL);
2509 /* Suppress following prompt */
2510 if (looking_at(buf, &i, "*% ")) {
2511 savingComment = FALSE;
2518 i++; /* skip unparsed character and loop back */
2521 if (started != STARTED_MOVES && started != STARTED_BOARD &&
2522 started != STARTED_HOLDINGS && i > next_out) {
2523 SendToPlayer(&buf[next_out], i - next_out);
2527 leftover_len = buf_len - leftover_start;
2528 /* if buffer ends with something we couldn't parse,
2529 reparse it after appending the next read */
2531 } else if (count == 0) {
2532 RemoveInputSource(isr);
2533 DisplayFatalError("Connection closed by ICS", 0, 0);
2535 DisplayFatalError("Error reading from ICS", error, 1);
2540 /* Board style 12 looks like this:
2542 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
2544 * The "<12> " is stripped before it gets to this routine. The two
2545 * trailing 0's (flip state and clock ticking) are later addition, and
2546 * some chess servers may not have them, or may have only the first.
2547 * Additional trailing fields may be added in the future.
2550 #define PATTERN "%72c%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
2552 #define RELATION_OBSERVING_PLAYED 0
2553 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
2554 #define RELATION_PLAYING_MYMOVE 1
2555 #define RELATION_PLAYING_NOTMYMOVE -1
2556 #define RELATION_EXAMINING 2
2557 #define RELATION_ISOLATED_BOARD -3
2558 #define RELATION_STARTING_POSITION -4 /* FICS only */
2561 ParseBoard12(string)
2564 GameMode newGameMode;
2565 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
2566 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
2567 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
2568 char to_play, board_chars[72];
2569 char move_str[500], str[500], elapsed_time[500];
2570 char black[32], white[32];
2572 int prevMove = currentMove;
2575 int fromX, fromY, toX, toY;
2578 fromX = fromY = toX = toY = -1;
2582 if (appData.debugMode)
2583 fprintf(debugFP, "Parsing board: %s\n", string);
2585 move_str[0] = NULLCHAR;
2586 elapsed_time[0] = NULLCHAR;
2587 n = sscanf(string, PATTERN, board_chars, &to_play, &double_push,
2588 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
2589 &gamenum, white, black, &relation, &basetime, &increment,
2590 &white_stren, &black_stren, &white_time, &black_time,
2591 &moveNum, str, elapsed_time, move_str, &ics_flip,
2595 sprintf(str, "Failed to parse board string:\n\"%s\"", string);
2596 DisplayError(str, 0);
2600 /* Convert the move number to internal form */
2601 moveNum = (moveNum - 1) * 2;
2602 if (to_play == 'B') moveNum++;
2603 if (moveNum >= MAX_MOVES) {
2604 DisplayFatalError("Game too long; increase MAX_MOVES and recompile",
2610 case RELATION_OBSERVING_PLAYED:
2611 case RELATION_OBSERVING_STATIC:
2612 if (gamenum == -1) {
2613 /* Old ICC buglet */
2614 relation = RELATION_OBSERVING_STATIC;
2616 newGameMode = IcsObserving;
2618 case RELATION_PLAYING_MYMOVE:
2619 case RELATION_PLAYING_NOTMYMOVE:
2621 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
2622 IcsPlayingWhite : IcsPlayingBlack;
2624 case RELATION_EXAMINING:
2625 newGameMode = IcsExamining;
2627 case RELATION_ISOLATED_BOARD:
2629 /* Just display this board. If user was doing something else,
2630 we will forget about it until the next board comes. */
2631 newGameMode = IcsIdle;
2633 case RELATION_STARTING_POSITION:
2634 newGameMode = gameMode;
2638 /* Modify behavior for initial board display on move listing
2641 switch (ics_getting_history) {
2645 case H_GOT_REQ_HEADER:
2646 case H_GOT_UNREQ_HEADER:
2647 /* This is the initial position of the current game */
2648 gamenum = ics_gamenum;
2649 moveNum = 0; /* old ICS bug workaround */
2650 if (to_play == 'B') {
2651 startedFromSetupPosition = TRUE;
2652 blackPlaysFirst = TRUE;
2654 if (forwardMostMove == 0) forwardMostMove = 1;
2655 if (backwardMostMove == 0) backwardMostMove = 1;
2656 if (currentMove == 0) currentMove = 1;
2658 newGameMode = gameMode;
2659 relation = RELATION_STARTING_POSITION; /* ICC needs this */
2661 case H_GOT_UNWANTED_HEADER:
2662 /* This is an initial board that we don't want */
2664 case H_GETTING_MOVES:
2665 /* Should not happen */
2666 DisplayError("Error gathering move list: extra board", 0);
2667 ics_getting_history = H_FALSE;
2671 /* Take action if this is the first board of a new game, or of a
2672 different game than is currently being displayed. */
2673 if (gamenum != ics_gamenum || newGameMode != gameMode ||
2674 relation == RELATION_ISOLATED_BOARD) {
2676 /* Forget the old game and get the history (if any) of the new one */
2677 if (gameMode != BeginningOfGame) {
2681 if (appData.autoRaiseBoard) BoardToTop();
2683 if (gamenum == -1) {
2684 newGameMode = IcsIdle;
2685 } else if (moveNum > 0 && newGameMode != IcsIdle &&
2686 appData.getMoveList) {
2687 /* Need to get game history */
2688 ics_getting_history = H_REQUESTED;
2689 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2693 /* Initially flip the board to have black on the bottom if playing
2694 black or if the ICS flip flag is set, but let the user change
2695 it with the Flip View button. */
2696 flipView = appData.autoFlipView ?
2697 (newGameMode == IcsPlayingBlack) || ics_flip :
2700 /* Done with values from previous mode; copy in new ones */
2701 gameMode = newGameMode;
2703 ics_gamenum = gamenum;
2704 if (gamenum == gs_gamenum) {
2705 int klen = strlen(gs_kind);
2706 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
2707 sprintf(str, "ICS %s", gs_kind);
2708 gameInfo.event = StrSave(str);
2710 gameInfo.event = StrSave("ICS game");
2712 gameInfo.site = StrSave(appData.icsHost);
2713 gameInfo.date = PGNDate();
2714 gameInfo.round = StrSave("-");
2715 gameInfo.white = StrSave(white);
2716 gameInfo.black = StrSave(black);
2717 timeControl = basetime * 60 * 1000;
2718 timeIncrement = increment * 1000;
2719 movesPerSession = 0;
2720 gameInfo.timeControl = TimeControlTagValue();
2721 gameInfo.variant = StringToVariant(gameInfo.event);
2723 /* Do we have the ratings? */
2724 if (strcmp(player1Name, white) == 0 &&
2725 strcmp(player2Name, black) == 0) {
2726 if (appData.debugMode)
2727 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
2728 player1Rating, player2Rating);
2729 gameInfo.whiteRating = player1Rating;
2730 gameInfo.blackRating = player2Rating;
2731 } else if (strcmp(player2Name, white) == 0 &&
2732 strcmp(player1Name, black) == 0) {
2733 if (appData.debugMode)
2734 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
2735 player2Rating, player1Rating);
2736 gameInfo.whiteRating = player2Rating;
2737 gameInfo.blackRating = player1Rating;
2739 player1Name[0] = player2Name[0] = NULLCHAR;
2741 /* Silence shouts if requested */
2742 if (appData.quietPlay &&
2743 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
2744 SendToICS(ics_prefix);
2745 SendToICS("set shout 0\n");
2749 /* Deal with midgame name changes */
2751 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
2752 if (gameInfo.white) free(gameInfo.white);
2753 gameInfo.white = StrSave(white);
2755 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
2756 if (gameInfo.black) free(gameInfo.black);
2757 gameInfo.black = StrSave(black);
2761 /* Throw away game result if anything actually changes in examine mode */
2762 if (gameMode == IcsExamining && !newGame) {
2763 gameInfo.result = GameUnfinished;
2764 if (gameInfo.resultDetails != NULL) {
2765 free(gameInfo.resultDetails);
2766 gameInfo.resultDetails = NULL;
2770 /* In pausing && IcsExamining mode, we ignore boards coming
2771 in if they are in a different variation than we are. */
2772 if (pauseExamInvalid) return;
2773 if (pausing && gameMode == IcsExamining) {
2774 if (moveNum <= pauseExamForwardMostMove) {
2775 pauseExamInvalid = TRUE;
2776 forwardMostMove = pauseExamForwardMostMove;
2781 /* Parse the board */
2782 for (k = 0; k < 8; k++)
2783 for (j = 0; j < 8; j++)
2784 board[k][j] = CharToPiece(board_chars[(7-k)*9 + j]);
2785 CopyBoard(boards[moveNum], board);
2787 startedFromSetupPosition =
2788 !CompareBoards(board, initialPosition);
2791 if (ics_getting_history == H_GOT_REQ_HEADER ||
2792 ics_getting_history == H_GOT_UNREQ_HEADER) {
2793 /* This was an initial position from a move list, not
2794 the current position */
2798 /* Update currentMove and known move number limits */
2799 newMove = newGame || moveNum > forwardMostMove;
2801 forwardMostMove = backwardMostMove = currentMove = moveNum;
2802 if (gameMode == IcsExamining && moveNum == 0) {
2803 /* Workaround for ICS limitation: we are not told the wild
2804 type when starting to examine a game. But if we ask for
2805 the move list, the move list header will tell us */
2806 ics_getting_history = H_REQUESTED;
2807 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2810 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
2811 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
2812 forwardMostMove = moveNum;
2813 if (!pausing || currentMove > forwardMostMove)
2814 currentMove = forwardMostMove;
2816 /* New part of history that is not contiguous with old part */
2817 if (pausing && gameMode == IcsExamining) {
2818 pauseExamInvalid = TRUE;
2819 forwardMostMove = pauseExamForwardMostMove;
2822 forwardMostMove = backwardMostMove = currentMove = moveNum;
2823 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
2824 ics_getting_history = H_REQUESTED;
2825 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
2830 /* Update the clocks */
2831 if (strchr(elapsed_time, '.')) {
2833 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
2834 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
2836 /* Time is in seconds */
2837 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
2838 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
2843 if (appData.zippyPlay && newGame &&
2844 gameMode != IcsObserving && gameMode != IcsIdle &&
2845 gameMode != IcsExamining)
2846 ZippyFirstBoard(moveNum, basetime, increment);
2849 /* Put the move on the move list, first converting
2850 to canonical algebraic form. */
2852 if (moveNum <= backwardMostMove) {
2853 /* We don't know what the board looked like before
2855 strcpy(parseList[moveNum - 1], move_str);
2856 strcat(parseList[moveNum - 1], " ");
2857 strcat(parseList[moveNum - 1], elapsed_time);
2858 moveList[moveNum - 1][0] = NULLCHAR;
2859 } else if (ParseOneMove(move_str, moveNum - 1, &moveType,
2860 &fromX, &fromY, &toX, &toY, &promoChar)) {
2861 (void) CoordsToAlgebraic(boards[moveNum - 1],
2862 PosFlags(moveNum - 1), EP_UNKNOWN,
2863 fromY, fromX, toY, toX, promoChar,
2864 parseList[moveNum-1]);
2865 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN)){
2871 strcat(parseList[moveNum - 1], "+");
2874 strcat(parseList[moveNum - 1], "#");
2877 strcat(parseList[moveNum - 1], " ");
2878 strcat(parseList[moveNum - 1], elapsed_time);
2879 /* currentMoveString is set as a side-effect of ParseOneMove */
2880 strcpy(moveList[moveNum - 1], currentMoveString);
2881 strcat(moveList[moveNum - 1], "\n");
2882 } else if (strcmp(move_str, "none") == 0) {
2883 /* Again, we don't know what the board looked like;
2884 this is really the start of the game. */
2885 parseList[moveNum - 1][0] = NULLCHAR;
2886 moveList[moveNum - 1][0] = NULLCHAR;
2887 backwardMostMove = moveNum;
2888 startedFromSetupPosition = TRUE;
2889 fromX = fromY = toX = toY = -1;
2891 /* Move from ICS was illegal!? Punt. */
2893 if (appData.testLegality && appData.debugMode) {
2894 sprintf(str, "Illegal move \"%s\" from ICS", move_str);
2895 DisplayError(str, 0);
2898 strcpy(parseList[moveNum - 1], move_str);
2899 strcat(parseList[moveNum - 1], " ");
2900 strcat(parseList[moveNum - 1], elapsed_time);
2901 moveList[moveNum - 1][0] = NULLCHAR;
2902 fromX = fromY = toX = toY = -1;
2906 /* Send move to chess program (BEFORE animating it). */
2907 if (appData.zippyPlay && !newGame && newMove &&
2908 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
2910 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
2911 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
2912 if (moveList[moveNum - 1][0] == NULLCHAR) {
2913 sprintf(str, "Couldn't parse move \"%s\" from ICS",
2915 DisplayError(str, 0);
2917 if (first.sendTime) {
2918 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
2920 SendMoveToProgram(moveNum - 1, &first);
2923 if (first.useColors) {
2924 SendToProgram(gameMode == IcsPlayingWhite ?
2926 "black\ngo\n", &first);
2928 SendToProgram("go\n", &first);
2930 first.maybeThinking = TRUE;
2933 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
2934 if (moveList[moveNum - 1][0] == NULLCHAR) {
2935 sprintf(str, "Couldn't parse move \"%s\" from ICS", move_str);
2936 DisplayError(str, 0);
2938 SendMoveToProgram(moveNum - 1, &first);
2945 if (moveNum > 0 && !gotPremove) {
2946 /* If move comes from a remote source, animate it. If it
2947 isn't remote, it will have already been animated. */
2948 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
2949 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
2951 if (!pausing && appData.highlightLastMove) {
2952 SetHighlights(fromX, fromY, toX, toY);
2956 /* Start the clocks */
2957 whiteFlag = blackFlag = FALSE;
2958 appData.clockMode = !(basetime == 0 && increment == 0);
2960 ics_clock_paused = TRUE;
2962 } else if (ticking == 1) {
2963 ics_clock_paused = FALSE;
2965 if (gameMode == IcsIdle ||
2966 relation == RELATION_OBSERVING_STATIC ||
2967 relation == RELATION_EXAMINING ||
2969 DisplayBothClocks();
2973 /* Display opponents and material strengths */
2974 if (gameInfo.variant != VariantBughouse &&
2975 gameInfo.variant != VariantCrazyhouse) {
2976 if (tinyLayout || smallLayout) {
2977 sprintf(str, "%s(%d) %s(%d) {%d %d}",
2978 gameInfo.white, white_stren, gameInfo.black, black_stren,
2979 basetime, increment);
2981 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
2982 gameInfo.white, white_stren, gameInfo.black, black_stren,
2983 basetime, increment);
2989 /* Display the board */
2992 if (appData.premove)
2994 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
2995 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
2996 ClearPremoveHighlights();
2998 DrawPosition(FALSE, boards[currentMove]);
2999 DisplayMove(moveNum - 1);
3000 if (appData.ringBellAfterMoves && !ics_user_moved)
3004 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3011 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
3012 ics_getting_history = H_REQUESTED;
3013 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
3019 AnalysisPeriodicEvent(force)
3022 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
3023 && !force) || !appData.periodicUpdates)
3026 /* Send . command to Crafty to collect stats */
3027 SendToProgram(".\n", &first);
3029 /* Don't send another until we get a response (this makes
3030 us stop sending to old Crafty's which don't understand
3031 the "." command (sending illegal cmds resets node count & time,
3032 which looks bad)) */
3033 programStats.ok_to_send = 0;
3037 SendMoveToProgram(moveNum, cps)
3039 ChessProgramState *cps;
3042 if (cps->useUsermove) {
3043 SendToProgram("usermove ", cps);
3047 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
3048 int len = space - parseList[moveNum];
3049 memcpy(buf, parseList[moveNum], len);
3051 buf[len] = NULLCHAR;
3053 sprintf(buf, "%s\n", parseList[moveNum]);
3055 SendToProgram(buf, cps);
3057 SendToProgram(moveList[moveNum], cps);
3062 SendMoveToICS(moveType, fromX, fromY, toX, toY)
3064 int fromX, fromY, toX, toY;
3066 char user_move[MSG_SIZ];
3070 sprintf(user_move, "say Internal error; bad moveType %d (%d,%d-%d,%d)",
3071 (int)moveType, fromX, fromY, toX, toY);
3072 DisplayError(user_move + strlen("say "), 0);
3074 case WhiteKingSideCastle:
3075 case BlackKingSideCastle:
3076 case WhiteQueenSideCastleWild:
3077 case BlackQueenSideCastleWild:
3078 sprintf(user_move, "o-o\n");
3080 case WhiteQueenSideCastle:
3081 case BlackQueenSideCastle:
3082 case WhiteKingSideCastleWild:
3083 case BlackKingSideCastleWild:
3084 sprintf(user_move, "o-o-o\n");
3086 case WhitePromotionQueen:
3087 case BlackPromotionQueen:
3088 case WhitePromotionRook:
3089 case BlackPromotionRook:
3090 case WhitePromotionBishop:
3091 case BlackPromotionBishop:
3092 case WhitePromotionKnight:
3093 case BlackPromotionKnight:
3094 case WhitePromotionKing:
3095 case BlackPromotionKing:
3096 sprintf(user_move, "%c%c%c%c=%c\n",
3097 'a' + fromX, '1' + fromY, 'a' + toX, '1' + toY,
3098 PieceToChar(PromoPiece(moveType)));
3102 sprintf(user_move, "%c@%c%c\n",
3103 ToUpper(PieceToChar((ChessSquare) fromX)),
3104 'a' + toX, '1' + toY);
3107 case WhiteCapturesEnPassant:
3108 case BlackCapturesEnPassant:
3109 case IllegalMove: /* could be a variant we don't quite understand */
3110 sprintf(user_move, "%c%c%c%c\n",
3111 'a' + fromX, '1' + fromY, 'a' + toX, '1' + toY);
3114 SendToICS(user_move);
3118 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
3123 if (rf == DROP_RANK) {
3124 sprintf(move, "%c@%c%c\n",
3125 ToUpper(PieceToChar((ChessSquare) ff)), 'a' + ft, '1' + rt);
3127 if (promoChar == 'x' || promoChar == NULLCHAR) {
3128 sprintf(move, "%c%c%c%c\n",
3129 'a' + ff, '1' + rf, 'a' + ft, '1' + rt);
3131 sprintf(move, "%c%c%c%c%c\n",
3132 'a' + ff, '1' + rf, 'a' + ft, '1' + rt, promoChar);
3138 ProcessICSInitScript(f)
3143 while (fgets(buf, MSG_SIZ, f)) {
3144 SendToICSDelayed(buf,(long)appData.msLoginDelay);
3151 /* Parser for moves from gnuchess, ICS, or user typein box */
3153 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
3156 ChessMove *moveType;
3157 int *fromX, *fromY, *toX, *toY;
3160 *moveType = yylexstr(moveNum, move);
3161 switch (*moveType) {
3162 case WhitePromotionQueen:
3163 case BlackPromotionQueen:
3164 case WhitePromotionRook:
3165 case BlackPromotionRook:
3166 case WhitePromotionBishop:
3167 case BlackPromotionBishop:
3168 case WhitePromotionKnight:
3169 case BlackPromotionKnight:
3170 case WhitePromotionKing:
3171 case BlackPromotionKing:
3173 case WhiteCapturesEnPassant:
3174 case BlackCapturesEnPassant:
3175 case WhiteKingSideCastle:
3176 case WhiteQueenSideCastle:
3177 case BlackKingSideCastle:
3178 case BlackQueenSideCastle:
3179 case WhiteKingSideCastleWild:
3180 case WhiteQueenSideCastleWild:
3181 case BlackKingSideCastleWild:
3182 case BlackQueenSideCastleWild:
3183 case IllegalMove: /* bug or odd chess variant */
3184 *fromX = currentMoveString[0] - 'a';
3185 *fromY = currentMoveString[1] - '1';
3186 *toX = currentMoveString[2] - 'a';
3187 *toY = currentMoveString[3] - '1';
3188 *promoChar = currentMoveString[4];
3189 if (*fromX < 0 || *fromX > 7 || *fromY < 0 || *fromY > 7 ||
3190 *toX < 0 || *toX > 7 || *toY < 0 || *toY > 7) {
3191 *fromX = *fromY = *toX = *toY = 0;
3194 if (appData.testLegality) {
3195 return (*moveType != IllegalMove);
3197 return !(fromX == fromY && toX == toY);
3202 *fromX = *moveType == WhiteDrop ?
3203 (int) CharToPiece(ToUpper(currentMoveString[0])) :
3204 (int) CharToPiece(ToLower(currentMoveString[0]));
3206 *toX = currentMoveString[2] - 'a';
3207 *toY = currentMoveString[3] - '1';
3208 *promoChar = NULLCHAR;
3212 case ImpossibleMove:
3213 case (ChessMove) 0: /* end of file */
3223 *fromX = *fromY = *toX = *toY = 0;
3224 *promoChar = NULLCHAR;
3231 InitPosition(redraw)
3234 currentMove = forwardMostMove = backwardMostMove = 0;
3235 switch (gameInfo.variant) {
3237 CopyBoard(boards[0], initialPosition);
3239 case VariantTwoKings:
3240 CopyBoard(boards[0], twoKingsPosition);
3241 startedFromSetupPosition = TRUE;
3243 case VariantWildCastle:
3244 CopyBoard(boards[0], initialPosition);
3245 /* !!?shuffle with kings guaranteed to be on d or e file */
3247 case VariantNoCastle:
3248 CopyBoard(boards[0], initialPosition);
3249 /* !!?unconstrained back-rank shuffle */
3251 case VariantFischeRandom:
3252 CopyBoard(boards[0], initialPosition);
3253 /* !!shuffle according to FR rules */
3257 DrawPosition(FALSE, boards[currentMove]);
3261 SendBoard(cps, moveNum)
3262 ChessProgramState *cps;
3265 char message[MSG_SIZ];
3267 if (cps->useSetboard) {
3268 char* fen = PositionToFEN(moveNum);
3269 sprintf(message, "setboard %s\n", fen);
3270 SendToProgram(message, cps);
3276 /* Kludge to set black to move, avoiding the troublesome and now
3277 * deprecated "black" command.
3279 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
3281 SendToProgram("edit\n", cps);
3282 SendToProgram("#\n", cps);
3283 for (i = BOARD_SIZE - 1; i >= 0; i--) {
3284 bp = &boards[moveNum][i][0];
3285 for (j = 0; j < BOARD_SIZE; j++, bp++) {
3286 if ((int) *bp < (int) BlackPawn) {
3287 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
3289 SendToProgram(message, cps);
3294 SendToProgram("c\n", cps);
3295 for (i = BOARD_SIZE - 1; i >= 0; i--) {
3296 bp = &boards[moveNum][i][0];
3297 for (j = 0; j < BOARD_SIZE; j++, bp++) {
3298 if (((int) *bp != (int) EmptySquare)
3299 && ((int) *bp >= (int) BlackPawn)) {
3300 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
3302 SendToProgram(message, cps);
3307 SendToProgram(".\n", cps);
3312 IsPromotion(fromX, fromY, toX, toY)
3313 int fromX, fromY, toX, toY;
3315 return gameMode != EditPosition &&
3316 fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0 &&
3317 ((boards[currentMove][fromY][fromX] == WhitePawn && toY == 7) ||
3318 (boards[currentMove][fromY][fromX] == BlackPawn && toY == 0));
3323 PieceForSquare (x, y)
3327 if (x < 0 || x >= BOARD_SIZE || y < 0 || y >= BOARD_SIZE)
3330 return boards[currentMove][y][x];
3334 OKToStartUserMove(x, y)
3337 ChessSquare from_piece;
3340 if (matchMode) return FALSE;
3341 if (gameMode == EditPosition) return TRUE;
3343 if (x >= 0 && y >= 0)
3344 from_piece = boards[currentMove][y][x];
3346 from_piece = EmptySquare;
3348 if (from_piece == EmptySquare) return FALSE;
3350 white_piece = (int)from_piece >= (int)WhitePawn &&
3351 (int)from_piece <= (int)WhiteKing;
3354 case PlayFromGameFile:
3356 case TwoMachinesPlay:
3364 case MachinePlaysWhite:
3365 case IcsPlayingBlack:
3366 if (appData.zippyPlay) return FALSE;
3368 DisplayMoveError("You are playing Black");
3373 case MachinePlaysBlack:
3374 case IcsPlayingWhite:
3375 if (appData.zippyPlay) return FALSE;
3377 DisplayMoveError("You are playing White");
3383 if (!white_piece && WhiteOnMove(currentMove)) {
3384 DisplayMoveError("It is White's turn");
3387 if (white_piece && !WhiteOnMove(currentMove)) {
3388 DisplayMoveError("It is Black's turn");
3391 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
3392 /* Editing correspondence game history */
3393 /* Could disallow this or prompt for confirmation */
3396 if (currentMove < forwardMostMove) {
3397 /* Discarding moves */
3398 /* Could prompt for confirmation here,
3399 but I don't think that's such a good idea */
3400 forwardMostMove = currentMove;
3404 case BeginningOfGame:
3405 if (appData.icsActive) return FALSE;
3406 if (!appData.noChessProgram) {
3408 DisplayMoveError("You are playing White");
3415 if (!white_piece && WhiteOnMove(currentMove)) {
3416 DisplayMoveError("It is White's turn");
3419 if (white_piece && !WhiteOnMove(currentMove)) {
3420 DisplayMoveError("It is Black's turn");
3429 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
3430 && gameMode != AnalyzeFile && gameMode != Training) {
3431 DisplayMoveError("Displayed position is not current");
3437 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
3438 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
3439 int lastLoadGameUseList = FALSE;
3440 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
3441 ChessMove lastLoadGameStart = (ChessMove) 0;
3445 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
3446 int fromX, fromY, toX, toY;
3451 if (fromX < 0 || fromY < 0) return;
3452 if ((fromX == toX) && (fromY == toY)) {
3456 /* Check if the user is playing in turn. This is complicated because we
3457 let the user "pick up" a piece before it is his turn. So the piece he
3458 tried to pick up may have been captured by the time he puts it down!
3459 Therefore we use the color the user is supposed to be playing in this
3460 test, not the color of the piece that is currently on the starting
3461 square---except in EditGame mode, where the user is playing both
3462 sides; fortunately there the capture race can't happen. (It can
3463 now happen in IcsExamining mode, but that's just too bad. The user
3464 will get a somewhat confusing message in that case.)
3468 case PlayFromGameFile:
3470 case TwoMachinesPlay:
3474 /* We switched into a game mode where moves are not accepted,
3475 perhaps while the mouse button was down. */
3478 case MachinePlaysWhite:
3479 /* User is moving for Black */
3480 if (WhiteOnMove(currentMove)) {
3481 DisplayMoveError("It is White's turn");
3486 case MachinePlaysBlack:
3487 /* User is moving for White */
3488 if (!WhiteOnMove(currentMove)) {
3489 DisplayMoveError("It is Black's turn");
3496 case BeginningOfGame:
3499 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
3500 (int) boards[currentMove][fromY][fromX] <= (int) BlackKing) {
3501 /* User is moving for Black */
3502 if (WhiteOnMove(currentMove)) {
3503 DisplayMoveError("It is White's turn");
3507 /* User is moving for White */
3508 if (!WhiteOnMove(currentMove)) {
3509 DisplayMoveError("It is Black's turn");
3515 case IcsPlayingBlack:
3516 /* User is moving for Black */
3517 if (WhiteOnMove(currentMove)) {
3518 if (!appData.premove) {
3519 DisplayMoveError("It is White's turn");
3520 } else if (toX >= 0 && toY >= 0) {
3523 premoveFromX = fromX;
3524 premoveFromY = fromY;
3525 premovePromoChar = promoChar;
3527 if (appData.debugMode)
3528 fprintf(debugFP, "Got premove: fromX %d,"
3529 "fromY %d, toX %d, toY %d\n",
3530 fromX, fromY, toX, toY);
3536 case IcsPlayingWhite:
3537 /* User is moving for White */
3538 if (!WhiteOnMove(currentMove)) {
3539 if (!appData.premove) {
3540 DisplayMoveError("It is Black's turn");
3541 } else if (toX >= 0 && toY >= 0) {
3544 premoveFromX = fromX;
3545 premoveFromY = fromY;
3546 premovePromoChar = promoChar;
3548 if (appData.debugMode)
3549 fprintf(debugFP, "Got premove: fromX %d,"
3550 "fromY %d, toX %d, toY %d\n",
3551 fromX, fromY, toX, toY);
3561 if (toX == -2 || toY == -2) {
3562 boards[0][fromY][fromX] = EmptySquare;
3563 DrawPosition(FALSE, boards[currentMove]);
3564 } else if (toX >= 0 && toY >= 0) {
3565 boards[0][toY][toX] = boards[0][fromY][fromX];
3566 boards[0][fromY][fromX] = EmptySquare;
3567 DrawPosition(FALSE, boards[currentMove]);
3572 if (toX < 0 || toY < 0) return;
3573 userOfferedDraw = FALSE;
3575 if (appData.testLegality) {
3576 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
3577 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar);
3578 if (moveType == IllegalMove || moveType == ImpossibleMove) {
3579 DisplayMoveError("Illegal move");
3583 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
3586 if (gameMode == Training) {
3587 /* compare the move played on the board to the next move in the
3588 * game. If they match, display the move and the opponent's response.
3589 * If they don't match, display an error message.
3593 CopyBoard(testBoard, boards[currentMove]);
3594 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
3596 if (CompareBoards(testBoard, boards[currentMove+1])) {
3597 ForwardInner(currentMove+1);
3599 /* Autoplay the opponent's response.
3600 * if appData.animate was TRUE when Training mode was entered,
3601 * the response will be animated.
3603 saveAnimate = appData.animate;
3604 appData.animate = animateTraining;
3605 ForwardInner(currentMove+1);
3606 appData.animate = saveAnimate;
3608 /* check for the end of the game */
3609 if (currentMove >= forwardMostMove) {
3610 gameMode = PlayFromGameFile;
3612 SetTrainingModeOff();
3613 DisplayInformation("End of game");
3616 DisplayError("Incorrect move", 0);
3621 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
3624 /* Common tail of UserMoveEvent and DropMenuEvent */
3626 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
3628 int fromX, fromY, toX, toY;
3629 /*char*/int promoChar;
3631 /* Ok, now we know that the move is good, so we can kill
3632 the previous line in Analysis Mode */
3633 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
3634 forwardMostMove = currentMove;
3637 /* If we need the chess program but it's dead, restart it */
3638 ResurrectChessProgram();
3640 /* A user move restarts a paused game*/
3644 thinkOutput[0] = NULLCHAR;
3646 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
3648 if (gameMode == BeginningOfGame) {
3649 if (appData.noChessProgram) {
3650 gameMode = EditGame;
3654 gameMode = MachinePlaysBlack;
3656 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
3658 if (first.sendName) {
3659 sprintf(buf, "name %s\n", gameInfo.white);
3660 SendToProgram(buf, &first);
3666 /* Relay move to ICS or chess engine */
3667 if (appData.icsActive) {
3668 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
3669 gameMode == IcsExamining) {
3670 SendMoveToICS(moveType, fromX, fromY, toX, toY);
3674 if (first.sendTime && (gameMode == BeginningOfGame ||
3675 gameMode == MachinePlaysWhite ||
3676 gameMode == MachinePlaysBlack)) {
3677 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
3679 SendMoveToProgram(forwardMostMove-1, &first);
3680 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
3681 first.maybeThinking = TRUE;
3683 if (currentMove == cmailOldMove + 1) {
3684 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
3688 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
3692 switch (MateTest(boards[currentMove], PosFlags(currentMove),
3698 if (WhiteOnMove(currentMove)) {
3699 GameEnds(BlackWins, "Black mates", GE_PLAYER);
3701 GameEnds(WhiteWins, "White mates", GE_PLAYER);
3705 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
3710 case MachinePlaysBlack:
3711 case MachinePlaysWhite:
3712 /* disable certain menu options while machine is thinking */
3713 SetMachineThinkingEnables();
3722 HandleMachineMove(message, cps)
3724 ChessProgramState *cps;
3726 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
3727 char realname[MSG_SIZ];
3728 int fromX, fromY, toX, toY;
3735 * Kludge to ignore BEL characters
3737 while (*message == '\007') message++;
3740 * Look for book output
3742 if (cps == &first && bookRequested) {
3743 if (message[0] == '\t' || message[0] == ' ') {
3744 /* Part of the book output is here; append it */
3745 strcat(bookOutput, message);
3746 strcat(bookOutput, " \n");
3748 } else if (bookOutput[0] != NULLCHAR) {
3749 /* All of book output has arrived; display it */
3750 char *p = bookOutput;
3751 while (*p != NULLCHAR) {
3752 if (*p == '\t') *p = ' ';
3755 DisplayInformation(bookOutput);
3756 bookRequested = FALSE;
3757 /* Fall through to parse the current output */
3762 * Look for machine move.
3764 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 &&
3765 strcmp(buf2, "...") == 0) ||
3766 (sscanf(message, "%s %s", buf1, machineMove) == 2 &&
3767 strcmp(buf1, "move") == 0)) {
3769 /* This method is only useful on engines that support ping */
3770 if (cps->lastPing != cps->lastPong) {
3771 if (gameMode == BeginningOfGame) {
3772 /* Extra move from before last new; ignore */
3773 if (appData.debugMode) {
3774 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
3777 if (appData.debugMode) {
3778 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
3779 cps->which, gameMode);
3781 SendToProgram("undo\n", cps);
3787 case BeginningOfGame:
3788 /* Extra move from before last reset; ignore */
3789 if (appData.debugMode) {
3790 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
3797 /* Extra move after we tried to stop. The mode test is
3798 not a reliable way of detecting this problem, but it's
3799 the best we can do on engines that don't support ping.
3801 if (appData.debugMode) {
3802 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
3803 cps->which, gameMode);
3805 SendToProgram("undo\n", cps);
3808 case MachinePlaysWhite:
3809 case IcsPlayingWhite:
3810 machineWhite = TRUE;
3813 case MachinePlaysBlack:
3814 case IcsPlayingBlack:
3815 machineWhite = FALSE;
3818 case TwoMachinesPlay:
3819 machineWhite = (cps->twoMachinesColor[0] == 'w');
3822 if (WhiteOnMove(forwardMostMove) != machineWhite) {
3823 if (appData.debugMode) {
3825 "Ignoring move out of turn by %s, gameMode %d"
3826 ", forwardMost %d\n",
3827 cps->which, gameMode, forwardMostMove);
3832 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
3833 &fromX, &fromY, &toX, &toY, &promoChar)) {
3834 /* Machine move could not be parsed; ignore it. */
3835 sprintf(buf1, "Illegal move \"%s\" from %s machine",
3836 machineMove, cps->which);
3837 DisplayError(buf1, 0);
3838 if (gameMode == TwoMachinesPlay) {
3839 GameEnds(machineWhite ? BlackWins : WhiteWins,
3840 "Forfeit due to illegal move", GE_XBOARD);
3845 hintRequested = FALSE;
3846 lastHint[0] = NULLCHAR;
3847 bookRequested = FALSE;
3848 /* Program may be pondering now */
3849 cps->maybeThinking = TRUE;
3850 if (cps->sendTime == 2) cps->sendTime = 1;
3851 if (cps->offeredDraw) cps->offeredDraw--;
3854 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
3856 SendMoveToICS(moveType, fromX, fromY, toX, toY);
3860 /* currentMoveString is set as a side-effect of ParseOneMove */
3861 strcpy(machineMove, currentMoveString);
3862 strcat(machineMove, "\n");
3863 strcpy(moveList[forwardMostMove], machineMove);
3865 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
3867 if (gameMode == TwoMachinesPlay) {
3868 if (cps->other->sendTime) {
3869 SendTimeRemaining(cps->other,
3870 cps->other->twoMachinesColor[0] == 'w');
3872 SendMoveToProgram(forwardMostMove-1, cps->other);
3875 if (cps->other->useColors) {
3876 SendToProgram(cps->other->twoMachinesColor, cps->other);
3878 SendToProgram("go\n", cps->other);
3880 cps->other->maybeThinking = TRUE;
3883 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
3884 if (!pausing && appData.ringBellAfterMoves) {
3888 * Reenable menu items that were disabled while
3889 * machine was thinking
3891 if (gameMode != TwoMachinesPlay)
3892 SetUserThinkingEnables();
3896 /* Set special modes for chess engines. Later something general
3897 * could be added here; for now there is just one kludge feature,
3898 * needed because Crafty 15.10 and earlier don't ignore SIGINT
3899 * when "xboard" is given as an interactive command.
3901 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
3902 cps->useSigint = FALSE;
3903 cps->useSigterm = FALSE;
3907 * Look for communication commands
3909 if (!strncmp(message, "telluser ", 9)) {
3910 DisplayInformation(message + 9);
3913 if (!strncmp(message, "tellusererror ", 14)) {
3914 DisplayError(message + 14, 0);
3917 if (!strncmp(message, "tellopponent ", 13)) {
3918 if (appData.icsActive) {
3920 sprintf(buf1, "%ssay %s\n", ics_prefix, message + 13);
3924 DisplayInformation(message + 13);
3928 if (!strncmp(message, "tellothers ", 11)) {
3929 if (appData.icsActive) {
3931 sprintf(buf1, "%swhisper %s\n", ics_prefix, message + 11);
3937 if (!strncmp(message, "tellall ", 8)) {
3938 if (appData.icsActive) {
3940 sprintf(buf1, "%skibitz %s\n", ics_prefix, message + 8);
3944 DisplayInformation(message + 8);
3948 if (strncmp(message, "warning", 7) == 0) {
3949 /* Undocumented feature, use tellusererror in new code */
3950 DisplayError(message, 0);
3953 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
3954 strcpy(realname, cps->tidy);
3955 strcat(realname, " query");
3956 AskQuestion(realname, buf2, buf1, cps->pr);
3959 /* Commands from the engine directly to ICS. We don't allow these to be
3960 * sent until we are logged on. Crafty kibitzes have been known to
3961 * interfere with the login process.
3964 if (!strncmp(message, "tellics ", 8)) {
3965 SendToICS(message + 8);
3969 if (!strncmp(message, "tellicsnoalias ", 15)) {
3970 SendToICS(ics_prefix);
3971 SendToICS(message + 15);
3975 /* The following are for backward compatibility only */
3976 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
3977 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
3978 SendToICS(ics_prefix);
3984 if (strncmp(message, "feature ", 8) == 0) {
3985 ParseFeatures(message+8, cps);
3987 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
3991 * If the move is illegal, cancel it and redraw the board.
3992 * Also deal with other error cases. Matching is rather loose
3993 * here to accommodate engines written before the spec.
3995 if (strncmp(message + 1, "llegal move", 11) == 0 ||
3996 strncmp(message, "Error", 5) == 0) {
3997 if (StrStr(message, "name") ||
3998 StrStr(message, "rating") || StrStr(message, "?") ||
3999 StrStr(message, "result") || StrStr(message, "board") ||
4000 StrStr(message, "bk") || StrStr(message, "computer") ||
4001 StrStr(message, "variant") || StrStr(message, "hint") ||
4002 StrStr(message, "random") || StrStr(message, "depth") ||
4003 StrStr(message, "accepted")) {
4006 if (StrStr(message, "protover")) {
4007 /* Program is responding to input, so it's apparently done
4008 initializing, and this error message indicates it is
4009 protocol version 1. So we don't need to wait any longer
4010 for it to initialize and send feature commands. */
4011 FeatureDone(cps, 1);
4012 cps->protocolVersion = 1;
4015 cps->maybeThinking = FALSE;
4017 if (StrStr(message, "draw")) {
4018 /* Program doesn't have "draw" command */
4019 cps->sendDrawOffers = 0;
4022 if (cps->sendTime != 1 &&
4023 (StrStr(message, "time") || StrStr(message, "otim"))) {
4024 /* Program apparently doesn't have "time" or "otim" command */
4028 if (StrStr(message, "analyze")) {
4029 cps->analysisSupport = FALSE;
4030 cps->analyzing = FALSE;
4032 sprintf(buf2, "%s does not support analysis", cps->tidy);
4033 DisplayError(buf2, 0);
4036 if (StrStr(message, "(no matching move)st")) {
4037 /* Special kludge for GNU Chess 4 only */
4038 cps->stKludge = TRUE;
4039 SendTimeControl(cps, movesPerSession, timeControl,
4040 timeIncrement, appData.searchDepth,
4044 if (StrStr(message, "(no matching move)sd")) {
4045 /* Special kludge for GNU Chess 4 only */
4046 cps->sdKludge = TRUE;
4047 SendTimeControl(cps, movesPerSession, timeControl,
4048 timeIncrement, appData.searchDepth,
4052 if (!StrStr(message, "llegal")) return;
4053 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
4054 gameMode == IcsIdle) return;
4055 if (forwardMostMove <= backwardMostMove) return;
4057 /* Following removed: it caused a bug where a real illegal move
4058 message in analyze mored would be ignored. */
4059 if (cps == &first && programStats.ok_to_send == 0) {
4060 /* Bogus message from Crafty responding to "." This filtering
4061 can miss some of the bad messages, but fortunately the bug
4062 is fixed in current Crafty versions, so it doesn't matter. */
4066 if (pausing) PauseEvent();
4067 if (gameMode == PlayFromGameFile) {
4068 /* Stop reading this game file */
4069 gameMode = EditGame;
4072 currentMove = --forwardMostMove;
4073 DisplayMove(currentMove-1); /* before DisplayMoveError */
4075 DisplayBothClocks();
4076 sprintf(buf1, "Illegal move \"%s\" (rejected by %s chess program)",
4077 parseList[currentMove], cps->which);
4078 DisplayMoveError(buf1);
4079 DrawPosition(FALSE, boards[currentMove]);
4082 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
4083 /* Program has a broken "time" command that
4084 outputs a string not ending in newline.
4090 * If chess program startup fails, exit with an error message.
4091 * Attempts to recover here are futile.
4093 if ((StrStr(message, "unknown host") != NULL)
4094 || (StrStr(message, "No remote directory") != NULL)
4095 || (StrStr(message, "not found") != NULL)
4096 || (StrStr(message, "No such file") != NULL)
4097 || (StrStr(message, "can't alloc") != NULL)
4098 || (StrStr(message, "Permission denied") != NULL)) {
4100 cps->maybeThinking = FALSE;
4101 sprintf(buf1, "Failed to start %s chess program %s on %s: %s\n",
4102 cps->which, cps->program, cps->host, message);
4103 RemoveInputSource(cps->isr);
4104 DisplayFatalError(buf1, 0, 1);
4109 * Look for hint output
4111 if (sscanf(message, "Hint: %s", buf1) == 1) {
4112 if (cps == &first && hintRequested) {
4113 hintRequested = FALSE;
4114 if (ParseOneMove(buf1, forwardMostMove, &moveType,
4115 &fromX, &fromY, &toX, &toY, &promoChar)) {
4116 (void) CoordsToAlgebraic(boards[forwardMostMove],
4117 PosFlags(forwardMostMove), EP_UNKNOWN,
4118 fromY, fromX, toY, toX, promoChar, buf1);
4119 sprintf(buf2, "Hint: %s", buf1);
4120 DisplayInformation(buf2);
4122 /* Hint move could not be parsed!? */
4124 "Illegal hint move \"%s\"\nfrom %s chess program",
4126 DisplayError(buf2, 0);
4129 strcpy(lastHint, buf1);
4135 * Ignore other messages if game is not in progress
4137 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
4138 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
4141 * look for win, lose, draw, or draw offer
4143 if (strncmp(message, "1-0", 3) == 0) {
4144 char *p, *q, *r = "";
4145 p = strchr(message, '{');
4153 GameEnds(WhiteWins, r, GE_ENGINE);
4155 } else if (strncmp(message, "0-1", 3) == 0) {
4156 char *p, *q, *r = "";
4157 p = strchr(message, '{');
4165 /* Kludge for Arasan 4.1 bug */
4166 if (strcmp(r, "Black resigns") == 0) {
4167 GameEnds(WhiteWins, r, GE_ENGINE);
4170 GameEnds(BlackWins, r, GE_ENGINE);
4172 } else if (strncmp(message, "1/2", 3) == 0) {
4173 char *p, *q, *r = "";
4174 p = strchr(message, '{');
4182 GameEnds(GameIsDrawn, r, GE_ENGINE);
4185 } else if (strncmp(message, "White resign", 12) == 0) {
4186 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4188 } else if (strncmp(message, "Black resign", 12) == 0) {
4189 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4191 } else if (strncmp(message, "White", 5) == 0 &&
4192 message[5] != '(' &&
4193 StrStr(message, "Black") == NULL) {
4194 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4196 } else if (strncmp(message, "Black", 5) == 0 &&
4197 message[5] != '(') {
4198 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4200 } else if (strcmp(message, "resign") == 0 ||
4201 strcmp(message, "computer resigns") == 0) {
4203 case MachinePlaysBlack:
4204 case IcsPlayingBlack:
4205 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4207 case MachinePlaysWhite:
4208 case IcsPlayingWhite:
4209 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4211 case TwoMachinesPlay:
4212 if (cps->twoMachinesColor[0] == 'w')
4213 GameEnds(BlackWins, "White resigns", GE_ENGINE);
4215 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
4222 } else if (strncmp(message, "opponent mates", 14) == 0) {
4224 case MachinePlaysBlack:
4225 case IcsPlayingBlack:
4226 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4228 case MachinePlaysWhite:
4229 case IcsPlayingWhite:
4230 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4232 case TwoMachinesPlay:
4233 if (cps->twoMachinesColor[0] == 'w')
4234 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4236 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4243 } else if (strncmp(message, "computer mates", 14) == 0) {
4245 case MachinePlaysBlack:
4246 case IcsPlayingBlack:
4247 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4249 case MachinePlaysWhite:
4250 case IcsPlayingWhite:
4251 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4253 case TwoMachinesPlay:
4254 if (cps->twoMachinesColor[0] == 'w')
4255 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4257 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4264 } else if (strncmp(message, "checkmate", 9) == 0) {
4265 if (WhiteOnMove(forwardMostMove)) {
4266 GameEnds(BlackWins, "Black mates", GE_ENGINE);
4268 GameEnds(WhiteWins, "White mates", GE_ENGINE);
4271 } else if (strstr(message, "Draw") != NULL ||
4272 strstr(message, "game is a draw") != NULL) {
4273 GameEnds(GameIsDrawn, "Draw", GE_ENGINE);
4275 } else if (strstr(message, "offer") != NULL &&
4276 strstr(message, "draw") != NULL) {
4278 if (appData.zippyPlay && first.initDone) {
4279 /* Relay offer to ICS */
4280 SendToICS(ics_prefix);
4281 SendToICS("draw\n");
4284 cps->offeredDraw = 2; /* valid until this engine moves twice */
4285 if (gameMode == TwoMachinesPlay) {
4286 if (cps->other->offeredDraw) {
4287 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
4289 if (cps->other->sendDrawOffers) {
4290 SendToProgram("draw\n", cps->other);
4293 } else if (gameMode == MachinePlaysWhite ||
4294 gameMode == MachinePlaysBlack) {
4295 if (userOfferedDraw) {
4296 DisplayInformation("Machine accepts your draw offer");
4297 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
4299 DisplayInformation("Machine offers a draw\nSelect Action / Draw to agree");
4306 * Look for thinking output
4308 if (appData.showThinking) {
4309 int plylev, mvleft, mvtot, curscore, time;
4310 char mvname[MOVE_LEN];
4311 unsigned long nodes;
4314 int prefixHint = FALSE;
4315 mvname[0] = NULLCHAR;
4318 case MachinePlaysBlack:
4319 case IcsPlayingBlack:
4320 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
4322 case MachinePlaysWhite:
4323 case IcsPlayingWhite:
4324 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
4329 case TwoMachinesPlay:
4330 if ((cps->twoMachinesColor[0] == 'w') !=
4331 WhiteOnMove(forwardMostMove)) {
4342 if (sscanf(message, "%d%c %d %d %lu %[^\n]\n",
4343 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
4345 if (plyext != ' ' && plyext != '\t') {
4348 programStats.depth = plylev;
4349 programStats.nodes = nodes;
4350 programStats.time = time;
4351 programStats.score = curscore;
4352 strcpy(programStats.movelist, buf1);
4353 programStats.got_only_move = 0;
4355 if (programStats.seen_stat) {
4356 programStats.ok_to_send = 1;
4359 if (strchr(programStats.movelist, '(') != NULL) {
4360 programStats.line_is_book = 1;
4361 programStats.nr_moves = 0;
4362 programStats.moves_left = 0;
4364 programStats.line_is_book = 0;
4367 sprintf(thinkOutput, "[%d]%c%+.2f %s%s%s",
4369 (gameMode == TwoMachinesPlay ?
4370 ToUpper(cps->twoMachinesColor[0]) : ' '),
4371 ((double) curscore) / 100.0,
4372 prefixHint ? lastHint : "",
4373 prefixHint ? " " : "", buf1);
4375 if (currentMove == forwardMostMove ||
4376 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
4377 DisplayMove(currentMove - 1);
4382 } else if ((p=StrStr(message, "(only move)")) != NULL) {
4383 /* crafty (9.25+) says "(only move) <move>"
4384 * if there is only 1 legal move
4386 sscanf(p, "(only move) %s", buf1);
4387 sprintf(thinkOutput, "%s (only move)", buf1);
4388 sprintf(programStats.movelist, "%s (only move)", buf1);
4389 programStats.depth = 1;
4390 programStats.nr_moves = 1;
4391 programStats.moves_left = 1;
4392 programStats.nodes = 1;
4393 programStats.time = 1;
4394 programStats.got_only_move = 1;
4396 /* Not really, but we also use this member to
4397 mean "line isn't going to change" (Crafty
4398 isn't searching, so stats won't change) */
4399 programStats.line_is_book = 1;
4401 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
4402 gameMode == AnalyzeFile) {
4403 DisplayMove(currentMove - 1);
4407 } else if (sscanf(message,"stat01: %d %lu %d %d %d %s",
4408 &time, &nodes, &plylev, &mvleft,
4409 &mvtot, mvname) >= 5) {
4410 /* The stat01: line is from Crafty (9.29+) in response
4411 to the "." command */
4412 programStats.seen_stat = 1;
4413 cps->maybeThinking = TRUE;
4415 if (programStats.got_only_move || !appData.periodicUpdates)
4418 programStats.depth = plylev;
4419 programStats.time = time;
4420 programStats.nodes = nodes;
4421 programStats.moves_left = mvleft;
4422 programStats.nr_moves = mvtot;
4423 strcpy(programStats.move_name, mvname);
4424 programStats.ok_to_send = 1;
4428 } else if (strncmp(message,"++",2) == 0) {
4429 /* Crafty 9.29+ outputs this */
4430 programStats.got_fail = 2;
4433 } else if (strncmp(message,"--",2) == 0) {
4434 /* Crafty 9.29+ outputs this */
4435 programStats.got_fail = 1;
4438 } else if (thinkOutput[0] != NULLCHAR &&
4439 strncmp(message, " ", 4) == 0) {
4441 while (*p && *p == ' ') p++;
4442 strcat(thinkOutput, " ");
4443 strcat(thinkOutput, p);
4444 strcat(programStats.movelist, " ");
4445 strcat(programStats.movelist, p);
4446 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
4447 gameMode == AnalyzeFile) {
4448 DisplayMove(currentMove - 1);
4458 /* Parse a game score from the character string "game", and
4459 record it as the history of the current game. The game
4460 score is NOT assumed to start from the standard position.
4461 The display is not updated in any way.
4464 ParseGameHistory(game)
4468 int fromX, fromY, toX, toY, boardIndex;
4473 if (appData.debugMode)
4474 fprintf(debugFP, "Parsing game history: %s\n", game);
4476 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
4477 gameInfo.site = StrSave(appData.icsHost);
4478 gameInfo.date = PGNDate();
4479 gameInfo.round = StrSave("-");
4481 /* Parse out names of players */
4482 while (*game == ' ') game++;
4484 while (*game != ' ') *p++ = *game++;
4486 gameInfo.white = StrSave(buf);
4487 while (*game == ' ') game++;
4489 while (*game != ' ' && *game != '\n') *p++ = *game++;
4491 gameInfo.black = StrSave(buf);
4494 boardIndex = blackPlaysFirst ? 1 : 0;
4497 yyboardindex = boardIndex;
4498 moveType = (ChessMove) yylex();
4500 case WhitePromotionQueen:
4501 case BlackPromotionQueen:
4502 case WhitePromotionRook:
4503 case BlackPromotionRook:
4504 case WhitePromotionBishop:
4505 case BlackPromotionBishop:
4506 case WhitePromotionKnight:
4507 case BlackPromotionKnight:
4508 case WhitePromotionKing:
4509 case BlackPromotionKing:
4511 case WhiteCapturesEnPassant:
4512 case BlackCapturesEnPassant:
4513 case WhiteKingSideCastle:
4514 case WhiteQueenSideCastle:
4515 case BlackKingSideCastle:
4516 case BlackQueenSideCastle:
4517 case WhiteKingSideCastleWild:
4518 case WhiteQueenSideCastleWild:
4519 case BlackKingSideCastleWild:
4520 case BlackQueenSideCastleWild:
4521 case IllegalMove: /* maybe suicide chess, etc. */
4522 fromX = currentMoveString[0] - 'a';
4523 fromY = currentMoveString[1] - '1';
4524 toX = currentMoveString[2] - 'a';
4525 toY = currentMoveString[3] - '1';
4526 promoChar = currentMoveString[4];
4530 fromX = moveType == WhiteDrop ?
4531 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4532 (int) CharToPiece(ToLower(currentMoveString[0]));
4534 toX = currentMoveString[2] - 'a';
4535 toY = currentMoveString[3] - '1';
4536 promoChar = NULLCHAR;
4540 sprintf(buf, "Ambiguous move in ICS output: \"%s\"", yy_text);
4541 DisplayError(buf, 0);
4543 case ImpossibleMove:
4545 sprintf(buf, "Illegal move in ICS output: \"%s\"", yy_text);
4546 DisplayError(buf, 0);
4548 case (ChessMove) 0: /* end of file */
4549 if (boardIndex < backwardMostMove) {
4550 /* Oops, gap. How did that happen? */
4551 DisplayError("Gap in move list", 0);
4554 backwardMostMove = blackPlaysFirst ? 1 : 0;
4555 if (boardIndex > forwardMostMove) {
4556 forwardMostMove = boardIndex;
4560 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
4561 strcat(parseList[boardIndex-1], " ");
4562 strcat(parseList[boardIndex-1], yy_text);
4574 case GameUnfinished:
4575 if (gameMode == IcsExamining) {
4576 if (boardIndex < backwardMostMove) {
4577 /* Oops, gap. How did that happen? */
4580 backwardMostMove = blackPlaysFirst ? 1 : 0;
4583 gameInfo.result = moveType;
4584 p = strchr(yy_text, '{');
4585 if (p == NULL) p = strchr(yy_text, '(');
4588 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
4590 q = strchr(p, *p == '{' ? '}' : ')');
4591 if (q != NULL) *q = NULLCHAR;
4594 gameInfo.resultDetails = StrSave(p);
4597 if (boardIndex >= forwardMostMove &&
4598 !(gameMode == IcsObserving && ics_gamenum == -1)) {
4599 backwardMostMove = blackPlaysFirst ? 1 : 0;
4602 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
4603 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
4604 parseList[boardIndex]);
4605 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
4606 /* currentMoveString is set as a side-effect of yylex */
4607 strcpy(moveList[boardIndex], currentMoveString);
4608 strcat(moveList[boardIndex], "\n");
4610 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
4611 switch (MateTest(boards[boardIndex],
4612 PosFlags(boardIndex), EP_UNKNOWN)) {
4618 strcat(parseList[boardIndex - 1], "+");
4621 strcat(parseList[boardIndex - 1], "#");
4628 /* Apply a move to the given board */
4630 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
4631 int fromX, fromY, toX, toY;
4635 ChessSquare captured = board[toY][toX];
4636 if (fromY == DROP_RANK) {
4638 board[toY][toX] = (ChessSquare) fromX;
4639 } else if (fromX == toX && fromY == toY) {
4641 } else if (fromY == 0 && fromX == 4
4642 && board[fromY][fromX] == WhiteKing
4643 && toY == 0 && toX == 6) {
4644 board[fromY][fromX] = EmptySquare;
4645 board[toY][toX] = WhiteKing;
4646 board[fromY][7] = EmptySquare;
4647 board[toY][5] = WhiteRook;
4648 } else if (fromY == 0 && fromX == 4
4649 && board[fromY][fromX] == WhiteKing
4650 && toY == 0 && toX == 2) {
4651 board[fromY][fromX] = EmptySquare;
4652 board[toY][toX] = WhiteKing;
4653 board[fromY][0] = EmptySquare;
4654 board[toY][3] = WhiteRook;
4655 } else if (fromY == 0 && fromX == 3
4656 && board[fromY][fromX] == WhiteKing
4657 && toY == 0 && toX == 5) {
4658 board[fromY][fromX] = EmptySquare;
4659 board[toY][toX] = WhiteKing;
4660 board[fromY][7] = EmptySquare;
4661 board[toY][4] = WhiteRook;
4662 } else if (fromY == 0 && fromX == 3
4663 && board[fromY][fromX] == WhiteKing
4664 && toY == 0 && toX == 1) {
4665 board[fromY][fromX] = EmptySquare;
4666 board[toY][toX] = WhiteKing;
4667 board[fromY][0] = EmptySquare;
4668 board[toY][2] = WhiteRook;
4669 } else if (board[fromY][fromX] == WhitePawn
4671 /* white pawn promotion */
4672 board[7][toX] = CharToPiece(ToUpper(promoChar));
4673 if (board[7][toX] == EmptySquare) {
4674 board[7][toX] = WhiteQueen;
4676 board[fromY][fromX] = EmptySquare;
4677 } else if ((fromY == 4)
4679 && (board[fromY][fromX] == WhitePawn)
4680 && (board[toY][toX] == EmptySquare)) {
4681 board[fromY][fromX] = EmptySquare;
4682 board[toY][toX] = WhitePawn;
4683 captured = board[toY - 1][toX];
4684 board[toY - 1][toX] = EmptySquare;
4685 } else if (fromY == 7 && fromX == 4
4686 && board[fromY][fromX] == BlackKing
4687 && toY == 7 && toX == 6) {
4688 board[fromY][fromX] = EmptySquare;
4689 board[toY][toX] = BlackKing;
4690 board[fromY][7] = EmptySquare;
4691 board[toY][5] = BlackRook;
4692 } else if (fromY == 7 && fromX == 4
4693 && board[fromY][fromX] == BlackKing
4694 && toY == 7 && toX == 2) {
4695 board[fromY][fromX] = EmptySquare;
4696 board[toY][toX] = BlackKing;
4697 board[fromY][0] = EmptySquare;
4698 board[toY][3] = BlackRook;
4699 } else if (fromY == 7 && fromX == 3
4700 && board[fromY][fromX] == BlackKing
4701 && toY == 7 && toX == 5) {
4702 board[fromY][fromX] = EmptySquare;
4703 board[toY][toX] = BlackKing;
4704 board[fromY][7] = EmptySquare;
4705 board[toY][4] = BlackRook;
4706 } else if (fromY == 7 && fromX == 3
4707 && board[fromY][fromX] == BlackKing
4708 && toY == 7 && toX == 1) {
4709 board[fromY][fromX] = EmptySquare;
4710 board[toY][toX] = BlackKing;
4711 board[fromY][0] = EmptySquare;
4712 board[toY][2] = BlackRook;
4713 } else if (board[fromY][fromX] == BlackPawn
4715 /* black pawn promotion */
4716 board[0][toX] = CharToPiece(ToLower(promoChar));
4717 if (board[0][toX] == EmptySquare) {
4718 board[0][toX] = BlackQueen;
4720 board[fromY][fromX] = EmptySquare;
4721 } else if ((fromY == 3)
4723 && (board[fromY][fromX] == BlackPawn)
4724 && (board[toY][toX] == EmptySquare)) {
4725 board[fromY][fromX] = EmptySquare;
4726 board[toY][toX] = BlackPawn;
4727 captured = board[toY + 1][toX];
4728 board[toY + 1][toX] = EmptySquare;
4730 board[toY][toX] = board[fromY][fromX];
4731 board[fromY][fromX] = EmptySquare;
4733 if (gameInfo.variant == VariantCrazyhouse) {
4735 /* !!A lot more code needs to be written to support holdings */
4736 if (fromY == DROP_RANK) {
4737 /* Delete from holdings */
4738 if (holdings[(int) fromX] > 0) holdings[(int) fromX]--;
4740 if (captured != EmptySquare) {
4741 /* Add to holdings */
4742 if (captured < BlackPawn) {
4743 holdings[(int)captured - (int)BlackPawn + (int)WhitePawn]++;
4745 holdings[(int)captured - (int)WhitePawn + (int)BlackPawn]++;
4749 } else if (gameInfo.variant == VariantAtomic) {
4750 if (captured != EmptySquare) {
4752 for (y = toY-1; y <= toY+1; y++) {
4753 for (x = toX-1; x <= toX+1; x++) {
4754 if (y >= 0 && y <= 7 && x >= 0 && x <= 7 &&
4755 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
4756 board[y][x] = EmptySquare;
4760 board[toY][toX] = EmptySquare;
4765 /* Updates forwardMostMove */
4767 MakeMove(fromX, fromY, toX, toY, promoChar)
4768 int fromX, fromY, toX, toY;
4772 if (forwardMostMove >= MAX_MOVES) {
4773 DisplayFatalError("Game too long; increase MAX_MOVES and recompile",
4778 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
4779 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
4780 if (commentList[forwardMostMove] != NULL) {
4781 free(commentList[forwardMostMove]);
4782 commentList[forwardMostMove] = NULL;
4784 CopyBoard(boards[forwardMostMove], boards[forwardMostMove - 1]);
4785 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove]);
4786 gameInfo.result = GameUnfinished;
4787 if (gameInfo.resultDetails != NULL) {
4788 free(gameInfo.resultDetails);
4789 gameInfo.resultDetails = NULL;
4791 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
4792 moveList[forwardMostMove - 1]);
4793 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
4794 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
4795 fromY, fromX, toY, toX, promoChar,
4796 parseList[forwardMostMove - 1]);
4797 switch (MateTest(boards[forwardMostMove],
4798 PosFlags(forwardMostMove), EP_UNKNOWN)){
4804 strcat(parseList[forwardMostMove - 1], "+");
4807 strcat(parseList[forwardMostMove - 1], "#");
4812 /* Updates currentMove if not pausing */
4814 ShowMove(fromX, fromY, toX, toY)
4816 int instant = (gameMode == PlayFromGameFile) ?
4817 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
4818 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
4820 if (forwardMostMove == currentMove + 1) {
4821 AnimateMove(boards[forwardMostMove - 1],
4822 fromX, fromY, toX, toY);
4824 if (appData.highlightLastMove) {
4825 SetHighlights(fromX, fromY, toX, toY);
4828 currentMove = forwardMostMove;
4831 if (instant) return;
4832 DisplayMove(currentMove - 1);
4833 DrawPosition(FALSE, boards[currentMove]);
4834 DisplayBothClocks();
4835 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
4840 InitChessProgram(cps)
4841 ChessProgramState *cps;
4844 if (appData.noChessProgram) return;
4845 hintRequested = FALSE;
4846 bookRequested = FALSE;
4847 SendToProgram(cps->initString, cps);
4848 if (gameInfo.variant != VariantNormal &&
4849 gameInfo.variant != VariantLoadable) {
4850 char *v = VariantName(gameInfo.variant);
4851 if (StrStr(cps->variants, v) == NULL) {
4852 sprintf(buf, "Variant %s not supported by %s", v, cps->tidy);
4853 DisplayFatalError(buf, 0, 1);
4856 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
4857 SendToProgram(buf, cps);
4860 sprintf(buf, "ics %s\n", appData.icsActive ? appData.icsHost : "-");
4861 SendToProgram(buf, cps);
4863 cps->maybeThinking = FALSE;
4864 cps->offeredDraw = 0;
4865 if (!appData.icsActive) {
4866 SendTimeControl(cps, movesPerSession, timeControl,
4867 timeIncrement, appData.searchDepth,
4870 if (appData.showThinking) {
4871 SendToProgram("post\n", cps);
4873 SendToProgram("hard\n", cps);
4874 if (!appData.ponderNextMove) {
4875 /* Warning: "easy" is a toggle in GNU Chess, so don't send
4876 it without being sure what state we are in first. "hard"
4877 is not a toggle, so that one is OK.
4879 SendToProgram("easy\n", cps);
4882 sprintf(buf, "ping %d\n", ++cps->lastPing);
4883 SendToProgram(buf, cps);
4885 cps->initDone = TRUE;
4890 StartChessProgram(cps)
4891 ChessProgramState *cps;
4896 if (appData.noChessProgram) return;
4897 cps->initDone = FALSE;
4899 if (strcmp(cps->host, "localhost") == 0) {
4900 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
4901 } else if (*appData.remoteShell == NULLCHAR) {
4902 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
4904 if (*appData.remoteUser == NULLCHAR) {
4905 sprintf(buf, "%s %s %s", appData.remoteShell, cps->host,
4908 sprintf(buf, "%s %s -l %s %s", appData.remoteShell,
4909 cps->host, appData.remoteUser, cps->program);
4911 err = StartChildProcess(buf, "", &cps->pr);
4915 sprintf(buf, "Startup failure on '%s'", cps->program);
4916 DisplayFatalError(buf, err, 1);
4922 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
4923 if (cps->protocolVersion > 1) {
4924 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
4925 SendToProgram(buf, cps);
4927 SendToProgram("xboard\n", cps);
4933 TwoMachinesEventIfReady P((void))
4935 if (first.lastPing != first.lastPong) {
4936 DisplayMessage("", "Waiting for first chess program");
4937 ScheduleDelayedEvent(TwoMachinesEventIfReady, 1000);
4940 if (second.lastPing != second.lastPong) {
4941 DisplayMessage("", "Waiting for second chess program");
4942 ScheduleDelayedEvent(TwoMachinesEventIfReady, 1000);
4950 NextMatchGame P((void))
4953 if (*appData.loadGameFile != NULLCHAR) {
4954 LoadGameFromFile(appData.loadGameFile,
4955 appData.loadGameIndex,
4956 appData.loadGameFile, FALSE);
4957 } else if (*appData.loadPositionFile != NULLCHAR) {
4958 LoadPositionFromFile(appData.loadPositionFile,
4959 appData.loadPositionIndex,
4960 appData.loadPositionFile);
4962 TwoMachinesEventIfReady();
4966 GameEnds(result, resultDetails, whosays)
4968 char *resultDetails;
4971 GameMode nextGameMode;
4974 if (appData.debugMode) {
4975 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
4976 result, resultDetails ? resultDetails : "(null)", whosays);
4979 if (appData.icsActive && whosays == GE_ENGINE) {
4980 /* If we are playing on ICS, the server decides when the
4981 game is over, but the engine can offer to draw, claim
4985 if (appData.zippyPlay && first.initDone) {
4986 if (result == GameIsDrawn) {
4987 /* In case draw still needs to be claimed */
4988 SendToICS(ics_prefix);
4989 SendToICS("draw\n");
4990 } else if (StrCaseStr(resultDetails, "resign")) {
4991 SendToICS(ics_prefix);
4992 SendToICS("resign\n");
4999 /* If we're loading the game from a file, stop */
5000 if (whosays == GE_FILE) {
5001 (void) StopLoadGameTimer();
5005 /* Cancel draw offers */
5006 first.offeredDraw = second.offeredDraw = 0;
5008 /* If this is an ICS game, only ICS can really say it's done;
5009 if not, anyone can. */
5010 isIcsGame = (gameMode == IcsPlayingWhite ||
5011 gameMode == IcsPlayingBlack ||
5012 gameMode == IcsObserving ||
5013 gameMode == IcsExamining);
5015 if (!isIcsGame || whosays == GE_ICS) {
5016 /* OK -- not an ICS game, or ICS said it was done */
5018 if (!isIcsGame && !appData.noChessProgram)
5019 SetUserThinkingEnables();
5021 if (resultDetails != NULL) {
5022 gameInfo.result = result;
5023 gameInfo.resultDetails = StrSave(resultDetails);
5025 /* Tell program how game ended in case it is learning */
5026 if (gameMode == MachinePlaysWhite ||
5027 gameMode == MachinePlaysBlack ||
5028 gameMode == TwoMachinesPlay ||
5029 gameMode == IcsPlayingWhite ||
5030 gameMode == IcsPlayingBlack ||
5031 gameMode == BeginningOfGame) {
5033 sprintf(buf, "result %s {%s}\n", PGNResult(result),
5035 if (first.pr != NoProc) {
5036 SendToProgram(buf, &first);
5038 if (second.pr != NoProc &&
5039 gameMode == TwoMachinesPlay) {
5040 SendToProgram(buf, &second);
5044 /* display last move only if game was not loaded from file */
5045 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
5046 DisplayMove(currentMove - 1);
5048 if (forwardMostMove != 0) {
5049 if (gameMode != PlayFromGameFile && gameMode != EditGame) {
5050 if (*appData.saveGameFile != NULLCHAR) {
5051 SaveGameToFile(appData.saveGameFile, TRUE);
5052 } else if (appData.autoSaveGames) {
5055 if (*appData.savePositionFile != NULLCHAR) {
5056 SavePositionToFile(appData.savePositionFile);
5062 if (appData.icsActive) {
5063 if (appData.quietPlay &&
5064 (gameMode == IcsPlayingWhite ||
5065 gameMode == IcsPlayingBlack)) {
5066 SendToICS(ics_prefix);
5067 SendToICS("set shout 1\n");
5069 nextGameMode = IcsIdle;
5070 ics_user_moved = FALSE;
5071 /* clean up premove. It's ugly when the game has ended and the
5072 * premove highlights are still on the board.
5076 ClearPremoveHighlights();
5077 DrawPosition(FALSE, boards[currentMove]);
5079 if (whosays == GE_ICS) {
5082 if (gameMode == IcsPlayingWhite)
5084 else if(gameMode == IcsPlayingBlack)
5088 if (gameMode == IcsPlayingBlack)
5090 else if(gameMode == IcsPlayingWhite)
5097 PlayIcsUnfinishedSound();
5100 } else if (gameMode == EditGame ||
5101 gameMode == PlayFromGameFile ||
5102 gameMode == AnalyzeMode ||
5103 gameMode == AnalyzeFile) {
5104 nextGameMode = gameMode;
5106 nextGameMode = EndOfGame;
5111 nextGameMode = gameMode;
5114 if (appData.noChessProgram) {
5115 gameMode = nextGameMode;
5121 /* Put first chess program into idle state */
5122 if (first.pr != NoProc &&
5123 (gameMode == MachinePlaysWhite ||
5124 gameMode == MachinePlaysBlack ||
5125 gameMode == TwoMachinesPlay ||
5126 gameMode == IcsPlayingWhite ||
5127 gameMode == IcsPlayingBlack ||
5128 gameMode == BeginningOfGame)) {
5129 SendToProgram("force\n", &first);
5130 if (first.usePing) {
5132 sprintf(buf, "ping %d\n", ++first.lastPing);
5133 SendToProgram(buf, &first);
5136 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
5137 /* Kill off first chess program */
5138 if (first.isr != NULL)
5139 RemoveInputSource(first.isr);
5142 if (first.pr != NoProc) {
5144 SendToProgram("quit\n", &first);
5145 DestroyChildProcess(first.pr, first.useSigterm);
5150 /* Put second chess program into idle state */
5151 if (second.pr != NoProc &&
5152 gameMode == TwoMachinesPlay) {
5153 SendToProgram("force\n", &second);
5154 if (second.usePing) {
5156 sprintf(buf, "ping %d\n", ++second.lastPing);
5157 SendToProgram(buf, &second);
5160 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
5161 /* Kill off second chess program */
5162 if (second.isr != NULL)
5163 RemoveInputSource(second.isr);
5166 if (second.pr != NoProc) {
5167 SendToProgram("quit\n", &second);
5168 DestroyChildProcess(second.pr, second.useSigterm);
5173 if (matchMode && gameMode == TwoMachinesPlay) {
5176 if (first.twoMachinesColor[0] == 'w') {
5183 if (first.twoMachinesColor[0] == 'b') {
5192 if (matchGame < appData.matchGames) {
5194 tmp = first.twoMachinesColor;
5195 first.twoMachinesColor = second.twoMachinesColor;
5196 second.twoMachinesColor = tmp;
5197 gameMode = nextGameMode;
5199 ScheduleDelayedEvent(NextMatchGame, 10000);
5203 gameMode = nextGameMode;
5204 sprintf(buf, "Match %s vs. %s: final score %d-%d-%d",
5205 first.tidy, second.tidy,
5206 first.matchWins, second.matchWins,
5207 appData.matchGames - (first.matchWins + second.matchWins));
5208 DisplayFatalError(buf, 0, 0);
5211 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
5212 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
5214 gameMode = nextGameMode;
5218 /* Assumes program was just initialized (initString sent).
5219 Leaves program in force mode. */
5221 FeedMovesToProgram(cps, upto)
5222 ChessProgramState *cps;
5227 if (appData.debugMode)
5228 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
5229 startedFromSetupPosition ? "position and " : "",
5230 backwardMostMove, upto, cps->which);
5231 SendToProgram("force\n", cps);
5232 if (startedFromSetupPosition) {
5233 SendBoard(cps, backwardMostMove);
5235 for (i = backwardMostMove; i < upto; i++) {
5236 SendMoveToProgram(i, cps);
5242 ResurrectChessProgram()
5244 /* The chess program may have exited.
5245 If so, restart it and feed it all the moves made so far. */
5247 if (appData.noChessProgram || first.pr != NoProc) return;
5249 StartChessProgram(&first);
5250 InitChessProgram(&first);
5251 FeedMovesToProgram(&first, currentMove);
5253 if (!first.sendTime) {
5254 /* can't tell gnuchess what its clock should read,
5255 so we bow to its notion. */
5257 timeRemaining[0][currentMove] = whiteTimeRemaining;
5258 timeRemaining[1][currentMove] = blackTimeRemaining;
5261 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
5262 first.analysisSupport) {
5263 SendToProgram("analyze\n", &first);
5264 first.analyzing = TRUE;
5277 if (appData.debugMode) {
5278 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
5279 redraw, init, gameMode);
5282 pausing = pauseExamInvalid = FALSE;
5283 startedFromSetupPosition = blackPlaysFirst = FALSE;
5285 whiteFlag = blackFlag = FALSE;
5286 userOfferedDraw = FALSE;
5287 hintRequested = bookRequested = FALSE;
5288 first.maybeThinking = FALSE;
5289 second.maybeThinking = FALSE;
5290 thinkOutput[0] = NULLCHAR;
5291 lastHint[0] = NULLCHAR;
5292 ClearGameInfo(&gameInfo);
5293 gameInfo.variant = StringToVariant(appData.variant);
5294 ics_user_moved = ics_clock_paused = FALSE;
5295 ics_getting_history = H_FALSE;
5297 white_holding[0] = black_holding[0] = NULLCHAR;
5298 ClearProgramStats();
5302 flipView = appData.flipView;
5303 ClearPremoveHighlights();
5305 alarmSounded = FALSE;
5307 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
5309 gameMode = BeginningOfGame;
5311 InitPosition(redraw);
5312 for (i = 0; i < MAX_MOVES; i++) {
5313 if (commentList[i] != NULL) {
5314 free(commentList[i]);
5315 commentList[i] = NULL;
5319 timeRemaining[0][0] = whiteTimeRemaining;
5320 timeRemaining[1][0] = blackTimeRemaining;
5321 if (first.pr == NULL) {
5322 StartChessProgram(&first);
5324 if (init) InitChessProgram(&first);
5326 DisplayMessage("", "");
5327 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5334 if (!AutoPlayOneMove())
5336 if (matchMode || appData.timeDelay == 0)
5338 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
5340 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
5349 int fromX, fromY, toX, toY;
5351 if (appData.debugMode) {
5352 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
5355 if (gameMode != PlayFromGameFile)
5358 if (currentMove >= forwardMostMove) {
5359 gameMode = EditGame;
5364 toX = moveList[currentMove][2] - 'a';
5365 toY = moveList[currentMove][3] - '1';
5367 if (moveList[currentMove][1] == '@') {
5368 if (appData.highlightLastMove) {
5369 SetHighlights(-1, -1, toX, toY);
5372 fromX = moveList[currentMove][0] - 'a';
5373 fromY = moveList[currentMove][1] - '1';
5374 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
5376 if (appData.highlightLastMove) {
5377 SetHighlights(fromX, fromY, toX, toY);
5380 DisplayMove(currentMove);
5381 SendMoveToProgram(currentMove++, &first);
5382 DisplayBothClocks();
5383 DrawPosition(FALSE, boards[currentMove]);
5384 if (commentList[currentMove] != NULL) {
5385 DisplayComment(currentMove - 1, commentList[currentMove]);
5392 LoadGameOneMove(readAhead)
5393 ChessMove readAhead;
5395 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
5396 char promoChar = NULLCHAR;
5401 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
5402 gameMode != AnalyzeMode && gameMode != Training) {
5407 yyboardindex = forwardMostMove;
5408 if (readAhead != (ChessMove)0) {
5409 moveType = readAhead;
5411 if (gameFileFP == NULL)
5413 moveType = (ChessMove) yylex();
5419 if (appData.debugMode)
5420 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
5422 if (*p == '{' || *p == '[' || *p == '(') {
5423 p[strlen(p) - 1] = NULLCHAR;
5427 /* append the comment but don't display it */
5428 while (*p == '\n') p++;
5429 AppendComment(currentMove, p);
5432 case WhiteCapturesEnPassant:
5433 case BlackCapturesEnPassant:
5434 case WhitePromotionQueen:
5435 case BlackPromotionQueen:
5436 case WhitePromotionRook:
5437 case BlackPromotionRook:
5438 case WhitePromotionBishop:
5439 case BlackPromotionBishop:
5440 case WhitePromotionKnight:
5441 case BlackPromotionKnight:
5442 case WhitePromotionKing:
5443 case BlackPromotionKing:
5445 case WhiteKingSideCastle:
5446 case WhiteQueenSideCastle:
5447 case BlackKingSideCastle:
5448 case BlackQueenSideCastle:
5449 case WhiteKingSideCastleWild:
5450 case WhiteQueenSideCastleWild:
5451 case BlackKingSideCastleWild:
5452 case BlackQueenSideCastleWild:
5453 if (appData.debugMode)
5454 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
5455 fromX = currentMoveString[0] - 'a';
5456 fromY = currentMoveString[1] - '1';
5457 toX = currentMoveString[2] - 'a';
5458 toY = currentMoveString[3] - '1';
5459 promoChar = currentMoveString[4];
5464 if (appData.debugMode)
5465 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
5466 fromX = moveType == WhiteDrop ?
5467 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5468 (int) CharToPiece(ToLower(currentMoveString[0]));
5470 toX = currentMoveString[2] - 'a';
5471 toY = currentMoveString[3] - '1';
5477 case GameUnfinished:
5478 if (appData.debugMode)
5479 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
5480 p = strchr(yy_text, '{');
5481 if (p == NULL) p = strchr(yy_text, '(');
5484 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
5486 q = strchr(p, *p == '{' ? '}' : ')');
5487 if (q != NULL) *q = NULLCHAR;
5490 GameEnds(moveType, p, GE_FILE);
5492 if (cmailMsgLoaded) {
5494 flipView = WhiteOnMove(currentMove);
5495 if (moveType == GameUnfinished) flipView = !flipView;
5496 if (appData.debugMode)
5497 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
5501 case (ChessMove) 0: /* end of file */
5502 if (appData.debugMode)
5503 fprintf(debugFP, "Parser hit end of file\n");
5504 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5510 if (WhiteOnMove(currentMove)) {
5511 GameEnds(BlackWins, "Black mates", GE_FILE);
5513 GameEnds(WhiteWins, "White mates", GE_FILE);
5517 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
5524 if (lastLoadGameStart == GNUChessGame) {
5525 /* GNUChessGames have numbers, but they aren't move numbers */
5526 if (appData.debugMode)
5527 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
5528 yy_text, (int) moveType);
5529 return LoadGameOneMove((ChessMove)0); /* tail recursion */
5531 /* else fall thru */
5536 /* Reached start of next game in file */
5537 if (appData.debugMode)
5538 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
5539 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5545 if (WhiteOnMove(currentMove)) {
5546 GameEnds(BlackWins, "Black mates", GE_FILE);
5548 GameEnds(WhiteWins, "White mates", GE_FILE);
5552 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
5558 case PositionDiagram: /* should not happen; ignore */
5559 case ElapsedTime: /* ignore */
5560 case NAG: /* ignore */
5561 if (appData.debugMode)
5562 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
5563 yy_text, (int) moveType);
5564 return LoadGameOneMove((ChessMove)0); /* tail recursion */
5567 if (appData.testLegality) {
5568 if (appData.debugMode)
5569 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
5570 sprintf(move, "Illegal move: %d.%s%s",
5571 (forwardMostMove / 2) + 1,
5572 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5573 DisplayError(move, 0);
5576 if (appData.debugMode)
5577 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
5578 yy_text, currentMoveString);
5579 fromX = currentMoveString[0] - 'a';
5580 fromY = currentMoveString[1] - '1';
5581 toX = currentMoveString[2] - 'a';
5582 toY = currentMoveString[3] - '1';
5583 promoChar = currentMoveString[4];
5588 if (appData.debugMode)
5589 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
5590 sprintf(move, "Ambiguous move: %d.%s%s",
5591 (forwardMostMove / 2) + 1,
5592 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5593 DisplayError(move, 0);
5598 case ImpossibleMove:
5599 if (appData.debugMode)
5600 fprintf(debugFP, "Parsed ImpossibleMove: %s\n", yy_text);
5601 sprintf(move, "Illegal move: %d.%s%s",
5602 (forwardMostMove / 2) + 1,
5603 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
5604 DisplayError(move, 0);
5610 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
5611 DrawPosition(FALSE, boards[currentMove]);
5612 DisplayBothClocks();
5613 if (!appData.matchMode && commentList[currentMove] != NULL)
5614 DisplayComment(currentMove - 1, commentList[currentMove]);
5616 (void) StopLoadGameTimer();
5618 cmailOldMove = forwardMostMove;
5621 /* currentMoveString is set as a side-effect of yylex */
5622 strcat(currentMoveString, "\n");
5623 strcpy(moveList[forwardMostMove], currentMoveString);
5625 thinkOutput[0] = NULLCHAR;
5626 MakeMove(fromX, fromY, toX, toY, promoChar);
5627 currentMove = forwardMostMove;
5632 /* Load the nth game from the given file */
5634 LoadGameFromFile(filename, n, title, useList)
5638 /*Boolean*/ int useList;
5643 if (strcmp(filename, "-") == 0) {
5647 f = fopen(filename, "rb");
5649 sprintf(buf, "Can't open \"%s\"", filename);
5650 DisplayError(buf, errno);
5654 if (fseek(f, 0, 0) == -1) {
5655 /* f is not seekable; probably a pipe */
5658 if (useList && n == 0) {
5659 int error = GameListBuild(f);
5661 DisplayError("Cannot build game list", error);
5662 } else if (!ListEmpty(&gameList) &&
5663 ((ListGame *) gameList.tailPred)->number > 1) {
5664 GameListPopUp(f, title);
5671 return LoadGame(f, n, title, FALSE);
5676 MakeRegisteredMove()
5678 int fromX, fromY, toX, toY;
5680 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
5681 switch (cmailMoveType[lastLoadGameNumber - 1]) {
5684 if (appData.debugMode)
5685 fprintf(debugFP, "Restoring %s for game %d\n",
5686 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
5688 thinkOutput[0] = NULLCHAR;
5689 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
5690 fromX = cmailMove[lastLoadGameNumber - 1][0] - 'a';
5691 fromY = cmailMove[lastLoadGameNumber - 1][1] - '1';
5692 toX = cmailMove[lastLoadGameNumber - 1][2] - 'a';
5693 toY = cmailMove[lastLoadGameNumber - 1][3] - '1';
5694 promoChar = cmailMove[lastLoadGameNumber - 1][4];
5695 MakeMove(fromX, fromY, toX, toY, promoChar);
5696 ShowMove(fromX, fromY, toX, toY);
5698 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5705 if (WhiteOnMove(currentMove)) {
5706 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5708 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5713 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5720 if (WhiteOnMove(currentMove)) {
5721 GameEnds(BlackWins, "White resigns", GE_PLAYER);
5723 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
5728 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
5739 /* Wrapper around LoadGame for use when a Cmail message is loaded */
5741 CmailLoadGame(f, gameNumber, title, useList)
5749 if (gameNumber > nCmailGames) {
5750 DisplayError("No more games in this message", 0);
5753 if (f == lastLoadGameFP) {
5754 int offset = gameNumber - lastLoadGameNumber;
5756 cmailMsg[0] = NULLCHAR;
5757 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
5758 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
5759 nCmailMovesRegistered--;
5761 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5762 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
5763 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
5766 if (! RegisterMove()) return FALSE;
5770 retVal = LoadGame(f, gameNumber, title, useList);
5772 /* Make move registered during previous look at this game, if any */
5773 MakeRegisteredMove();
5775 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
5776 commentList[currentMove]
5777 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
5778 DisplayComment(currentMove - 1, commentList[currentMove]);
5784 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
5789 int gameNumber = lastLoadGameNumber + offset;
5790 if (lastLoadGameFP == NULL) {
5791 DisplayError("No game has been loaded yet", 0);
5794 if (gameNumber <= 0) {
5795 DisplayError("Can't back up any further", 0);
5798 if (cmailMsgLoaded) {
5799 return CmailLoadGame(lastLoadGameFP, gameNumber,
5800 lastLoadGameTitle, lastLoadGameUseList);
5802 return LoadGame(lastLoadGameFP, gameNumber,
5803 lastLoadGameTitle, lastLoadGameUseList);
5809 /* Load the nth game from open file f */
5811 LoadGame(f, gameNumber, title, useList)
5819 int gn = gameNumber;
5820 ListGame *lg = NULL;
5823 GameMode oldGameMode;
5825 if (appData.debugMode)
5826 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
5828 if (gameMode == Training )
5829 SetTrainingModeOff();
5831 oldGameMode = gameMode;
5832 if (gameMode != BeginningOfGame) {
5837 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
5838 fclose(lastLoadGameFP);
5842 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
5845 fseek(f, lg->offset, 0);
5846 GameListHighlight(gameNumber);
5850 DisplayError("Game number out of range", 0);
5855 if (fseek(f, 0, 0) == -1) {
5856 if (f == lastLoadGameFP ?
5857 gameNumber == lastLoadGameNumber + 1 :
5861 DisplayError("Can't seek on game file", 0);
5867 lastLoadGameNumber = gameNumber;
5868 strcpy(lastLoadGameTitle, title);
5869 lastLoadGameUseList = useList;
5874 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
5875 sprintf(buf, "%s vs. %s", lg->gameInfo.white,
5876 lg->gameInfo.black);
5878 } else if (*title != NULLCHAR) {
5879 if (gameNumber > 1) {
5880 sprintf(buf, "%s %d", title, gameNumber);
5883 DisplayTitle(title);
5887 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
5888 gameMode = PlayFromGameFile;
5892 currentMove = forwardMostMove = backwardMostMove = 0;
5893 CopyBoard(boards[0], initialPosition);
5897 * Skip the first gn-1 games in the file.
5898 * Also skip over anything that precedes an identifiable
5899 * start of game marker, to avoid being confused by
5900 * garbage at the start of the file. Currently
5901 * recognized start of game markers are the move number "1",
5902 * the pattern "gnuchess .* game", the pattern
5903 * "^[#;%] [^ ]* game file", and a PGN tag block.
5904 * A game that starts with one of the latter two patterns
5905 * will also have a move number 1, possibly
5906 * following a position diagram.
5907 * 5-4-02: Let's try being more lenient and allowing a game to
5908 * start with an unnumbered move. Does that break anything?
5910 cm = lastLoadGameStart = (ChessMove) 0;
5912 yyboardindex = forwardMostMove;
5913 cm = (ChessMove) yylex();
5916 if (cmailMsgLoaded) {
5917 nCmailGames = CMAIL_MAX_GAMES - gn;
5920 DisplayError("Game not found in file", 0);
5927 lastLoadGameStart = cm;
5931 switch (lastLoadGameStart) {
5938 gn--; /* count this game */
5939 lastLoadGameStart = cm;
5948 switch (lastLoadGameStart) {
5953 gn--; /* count this game */
5954 lastLoadGameStart = cm;
5957 lastLoadGameStart = cm; /* game counted already */
5965 yyboardindex = forwardMostMove;
5966 cm = (ChessMove) yylex();
5967 } while (cm == PGNTag || cm == Comment);
5974 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
5975 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
5976 != CMAIL_OLD_RESULT) {
5978 cmailResult[ CMAIL_MAX_GAMES
5979 - gn - 1] = CMAIL_OLD_RESULT;
5985 /* Only a NormalMove can be at the start of a game
5986 * without a position diagram. */
5987 if (lastLoadGameStart == (ChessMove) 0) {
5989 lastLoadGameStart = MoveNumberOne;
5998 if (appData.debugMode)
5999 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
6001 if (cm == XBoardGame) {
6002 /* Skip any header junk before position diagram and/or move 1 */
6004 yyboardindex = forwardMostMove;
6005 cm = (ChessMove) yylex();
6007 if (cm == (ChessMove) 0 ||
6008 cm == GNUChessGame || cm == XBoardGame) {
6009 /* Empty game; pretend end-of-file and handle later */
6014 if (cm == MoveNumberOne || cm == PositionDiagram ||
6015 cm == PGNTag || cm == Comment)
6018 } else if (cm == GNUChessGame) {
6019 if (gameInfo.event != NULL) {
6020 free(gameInfo.event);
6022 gameInfo.event = StrSave(yy_text);
6025 startedFromSetupPosition = FALSE;
6026 while (cm == PGNTag) {
6027 if (appData.debugMode)
6028 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
6029 err = ParsePGNTag(yy_text, &gameInfo);
6030 if (!err) numPGNTags++;
6032 if (gameInfo.fen != NULL) {
6033 Board initial_position;
6034 startedFromSetupPosition = TRUE;
6035 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
6037 DisplayError("Bad FEN position in file", 0);
6040 CopyBoard(boards[0], initial_position);
6041 if (blackPlaysFirst) {
6042 currentMove = forwardMostMove = backwardMostMove = 1;
6043 CopyBoard(boards[1], initial_position);
6044 strcpy(moveList[0], "");
6045 strcpy(parseList[0], "");
6046 timeRemaining[0][1] = whiteTimeRemaining;
6047 timeRemaining[1][1] = blackTimeRemaining;
6048 if (commentList[0] != NULL) {
6049 commentList[1] = commentList[0];
6050 commentList[0] = NULL;
6053 currentMove = forwardMostMove = backwardMostMove = 0;
6055 yyboardindex = forwardMostMove;
6057 gameInfo.fen = NULL;
6060 yyboardindex = forwardMostMove;
6061 cm = (ChessMove) yylex();
6063 /* Handle comments interspersed among the tags */
6064 while (cm == Comment) {
6066 if (appData.debugMode)
6067 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
6069 if (*p == '{' || *p == '[' || *p == '(') {
6070 p[strlen(p) - 1] = NULLCHAR;
6073 while (*p == '\n') p++;
6074 AppendComment(currentMove, p);
6075 yyboardindex = forwardMostMove;
6076 cm = (ChessMove) yylex();
6080 /* don't rely on existence of Event tag since if game was
6081 * pasted from clipboard the Event tag may not exist
6083 if (numPGNTags > 0){
6085 if (gameInfo.variant == VariantNormal) {
6086 gameInfo.variant = StringToVariant(gameInfo.event);
6089 tags = PGNTags(&gameInfo);
6090 TagsPopUp(tags, CmailMsg());
6094 /* Make something up, but don't display it now */
6099 if (cm == PositionDiagram) {
6102 Board initial_position;
6104 if (appData.debugMode)
6105 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
6107 if (!startedFromSetupPosition) {
6109 for (i = BOARD_SIZE - 1; i >= 0; i--)
6110 for (j = 0; j < BOARD_SIZE; p++)
6120 initial_position[i][j++] = CharToPiece(*p);
6123 while (*p == ' ' || *p == '\t' ||
6124 *p == '\n' || *p == '\r') p++;
6126 if (strncmp(p, "black", strlen("black"))==0)
6127 blackPlaysFirst = TRUE;
6129 blackPlaysFirst = FALSE;
6130 startedFromSetupPosition = TRUE;
6132 CopyBoard(boards[0], initial_position);
6133 if (blackPlaysFirst) {
6134 currentMove = forwardMostMove = backwardMostMove = 1;
6135 CopyBoard(boards[1], initial_position);
6136 strcpy(moveList[0], "");
6137 strcpy(parseList[0], "");
6138 timeRemaining[0][1] = whiteTimeRemaining;
6139 timeRemaining[1][1] = blackTimeRemaining;
6140 if (commentList[0] != NULL) {
6141 commentList[1] = commentList[0];
6142 commentList[0] = NULL;
6145 currentMove = forwardMostMove = backwardMostMove = 0;
6148 yyboardindex = forwardMostMove;
6149 cm = (ChessMove) yylex();
6152 if (first.pr == NoProc) {
6153 StartChessProgram(&first);
6155 InitChessProgram(&first);
6156 SendToProgram("force\n", &first);
6157 if (startedFromSetupPosition) {
6158 SendBoard(&first, forwardMostMove);
6159 DisplayBothClocks();
6162 while (cm == Comment) {
6164 if (appData.debugMode)
6165 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
6167 if (*p == '{' || *p == '[' || *p == '(') {
6168 p[strlen(p) - 1] = NULLCHAR;
6171 while (*p == '\n') p++;
6172 AppendComment(currentMove, p);
6173 yyboardindex = forwardMostMove;
6174 cm = (ChessMove) yylex();
6177 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
6178 cm == WhiteWins || cm == BlackWins ||
6179 cm == GameIsDrawn || cm == GameUnfinished) {
6180 DisplayMessage("", "No moves in game");
6181 if (cmailMsgLoaded) {
6182 if (appData.debugMode)
6183 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
6187 DrawPosition(FALSE, boards[currentMove]);
6188 DisplayBothClocks();
6189 gameMode = EditGame;
6196 if (commentList[currentMove] != NULL) {
6197 if (!matchMode && (pausing || appData.timeDelay != 0)) {
6198 DisplayComment(currentMove - 1, commentList[currentMove]);
6201 if (!matchMode && appData.timeDelay != 0)
6202 DrawPosition(FALSE, boards[currentMove]);
6204 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
6205 programStats.ok_to_send = 1;
6208 /* if the first token after the PGN tags is a move
6209 * and not move number 1, retrieve it from the parser
6211 if (cm != MoveNumberOne)
6212 LoadGameOneMove(cm);
6214 /* load the remaining moves from the file */
6215 while (LoadGameOneMove((ChessMove)0)) {
6216 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
6217 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
6220 /* rewind to the start of the game */
6221 currentMove = backwardMostMove;
6223 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
6225 if (oldGameMode == AnalyzeFile ||
6226 oldGameMode == AnalyzeMode) {
6230 if (matchMode || appData.timeDelay == 0) {
6232 gameMode = EditGame;
6234 } else if (appData.timeDelay > 0) {
6238 if (appData.debugMode)
6239 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
6243 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
6245 ReloadPosition(offset)
6248 int positionNumber = lastLoadPositionNumber + offset;
6249 if (lastLoadPositionFP == NULL) {
6250 DisplayError("No position has been loaded yet", 0);
6253 if (positionNumber <= 0) {
6254 DisplayError("Can't back up any further", 0);
6257 return LoadPosition(lastLoadPositionFP, positionNumber,
6258 lastLoadPositionTitle);
6261 /* Load the nth position from the given file */
6263 LoadPositionFromFile(filename, n, title)
6271 if (strcmp(filename, "-") == 0) {
6272 return LoadPosition(stdin, n, "stdin");
6274 f = fopen(filename, "rb");
6276 sprintf(buf, "Can't open \"%s\"", filename);
6277 DisplayError(buf, errno);
6280 return LoadPosition(f, n, title);
6285 /* Load the nth position from the given open file, and close it */
6287 LoadPosition(f, positionNumber, title)
6292 char *p, line[MSG_SIZ];
6293 Board initial_position;
6294 int i, j, fenMode, pn;
6296 if (gameMode == Training )
6297 SetTrainingModeOff();
6299 if (gameMode != BeginningOfGame) {
6302 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
6303 fclose(lastLoadPositionFP);
6305 if (positionNumber == 0) positionNumber = 1;
6306 lastLoadPositionFP = f;
6307 lastLoadPositionNumber = positionNumber;
6308 strcpy(lastLoadPositionTitle, title);
6309 if (first.pr == NoProc) {
6310 StartChessProgram(&first);
6311 InitChessProgram(&first);
6313 pn = positionNumber;
6314 if (positionNumber < 0) {
6315 /* Negative position number means to seek to that byte offset */
6316 if (fseek(f, -positionNumber, 0) == -1) {
6317 DisplayError("Can't seek on position file", 0);
6322 if (fseek(f, 0, 0) == -1) {
6323 if (f == lastLoadPositionFP ?
6324 positionNumber == lastLoadPositionNumber + 1 :
6325 positionNumber == 1) {
6328 DisplayError("Can't seek on position file", 0);
6333 /* See if this file is FEN or old-style xboard */
6334 if (fgets(line, MSG_SIZ, f) == NULL) {
6335 DisplayError("Position not found in file", 0);
6343 case 'p': case 'n': case 'b': case 'r': case 'q': case 'k':
6344 case 'P': case 'N': case 'B': case 'R': case 'Q': case 'K':
6345 case '1': case '2': case '3': case '4': case '5': case '6':
6352 if (fenMode || line[0] == '#') pn--;
6354 /* skip postions before number pn */
6355 if (fgets(line, MSG_SIZ, f) == NULL) {
6357 DisplayError("Position not found in file", 0);
6360 if (fenMode || line[0] == '#') pn--;
6365 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
6366 DisplayError("Bad FEN position in file", 0);
6370 (void) fgets(line, MSG_SIZ, f);
6371 (void) fgets(line, MSG_SIZ, f);
6373 for (i = BOARD_SIZE - 1; i >= 0; i--) {
6374 (void) fgets(line, MSG_SIZ, f);
6375 for (p = line, j = 0; j < BOARD_SIZE; p++) {
6378 initial_position[i][j++] = CharToPiece(*p);
6382 blackPlaysFirst = FALSE;
6384 (void) fgets(line, MSG_SIZ, f);
6385 if (strncmp(line, "black", strlen("black"))==0)
6386 blackPlaysFirst = TRUE;
6389 startedFromSetupPosition = TRUE;
6391 SendToProgram("force\n", &first);
6392 CopyBoard(boards[0], initial_position);
6393 if (blackPlaysFirst) {
6394 currentMove = forwardMostMove = backwardMostMove = 1;
6395 strcpy(moveList[0], "");
6396 strcpy(parseList[0], "");
6397 CopyBoard(boards[1], initial_position);
6398 DisplayMessage("", "Black to play");
6400 currentMove = forwardMostMove = backwardMostMove = 0;
6401 DisplayMessage("", "White to play");
6403 SendBoard(&first, forwardMostMove);
6405 if (positionNumber > 1) {
6406 sprintf(line, "%s %d", title, positionNumber);
6409 DisplayTitle(title);
6411 gameMode = EditGame;
6414 timeRemaining[0][1] = whiteTimeRemaining;
6415 timeRemaining[1][1] = blackTimeRemaining;
6416 DrawPosition(FALSE, boards[currentMove]);
6423 CopyPlayerNameIntoFileName(dest, src)
6426 while (*src != NULLCHAR && *src != ',') {
6431 *(*dest)++ = *src++;
6436 char *DefaultFileName(ext)
6439 static char def[MSG_SIZ];
6442 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
6444 CopyPlayerNameIntoFileName(&p, gameInfo.white);
6446 CopyPlayerNameIntoFileName(&p, gameInfo.black);
6455 /* Save the current game to the given file */
6457 SaveGameToFile(filename, append)
6464 if (strcmp(filename, "-") == 0) {
6465 return SaveGame(stdout, 0, NULL);
6467 f = fopen(filename, append ? "a" : "w");
6469 sprintf(buf, "Can't open \"%s\"", filename);
6470 DisplayError(buf, errno);
6473 return SaveGame(f, 0, NULL);
6482 static char buf[MSG_SIZ];
6485 p = strchr(str, ' ');
6486 if (p == NULL) return str;
6487 strncpy(buf, str, p - str);
6488 buf[p - str] = NULLCHAR;
6492 #define PGN_MAX_LINE 75
6494 /* Save game in PGN style and close the file */
6499 int i, offset, linelen, newblock;
6503 int movelen, numlen, blank;
6505 tm = time((time_t *) NULL);
6507 PrintPGNTags(f, &gameInfo);
6509 if (backwardMostMove > 0 || startedFromSetupPosition) {
6510 char *fen = PositionToFEN(backwardMostMove);
6511 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
6512 fprintf(f, "\n{--------------\n");
6513 PrintPosition(f, backwardMostMove);
6514 fprintf(f, "--------------}\n");
6520 i = backwardMostMove;
6521 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
6525 while (i < forwardMostMove) {
6526 /* Print comments preceding this move */
6527 if (commentList[i] != NULL) {
6528 if (linelen > 0) fprintf(f, "\n");
6529 fprintf(f, "{\n%s}\n", commentList[i]);
6534 /* Format move number */
6536 sprintf(numtext, "%d.", (i - offset)/2 + 1);
6539 sprintf(numtext, "%d...", (i - offset)/2 + 1);
6541 numtext[0] = NULLCHAR;
6544 numlen = strlen(numtext);
6547 /* Print move number */
6548 blank = linelen > 0 && numlen > 0;
6549 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
6558 fprintf(f, numtext);
6562 movetext = SavePart(parseList[i]);
6563 movelen = strlen(movetext);
6566 blank = linelen > 0 && movelen > 0;
6567 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
6576 fprintf(f, movetext);
6582 /* Start a new line */
6583 if (linelen > 0) fprintf(f, "\n");
6585 /* Print comments after last move */
6586 if (commentList[i] != NULL) {
6587 fprintf(f, "{\n%s}\n", commentList[i]);
6591 if (gameInfo.resultDetails != NULL &&
6592 gameInfo.resultDetails[0] != NULLCHAR) {
6593 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
6594 PGNResult(gameInfo.result));
6596 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
6603 /* Save game in old style and close the file */
6611 tm = time((time_t *) NULL);
6613 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
6616 if (backwardMostMove > 0 || startedFromSetupPosition) {
6617 fprintf(f, "\n[--------------\n");
6618 PrintPosition(f, backwardMostMove);
6619 fprintf(f, "--------------]\n");
6624 i = backwardMostMove;
6625 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
6627 while (i < forwardMostMove) {
6628 if (commentList[i] != NULL) {
6629 fprintf(f, "[%s]\n", commentList[i]);
6633 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
6636 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
6638 if (commentList[i] != NULL) {
6642 if (i >= forwardMostMove) {
6646 fprintf(f, "%s\n", parseList[i]);
6651 if (commentList[i] != NULL) {
6652 fprintf(f, "[%s]\n", commentList[i]);
6655 /* This isn't really the old style, but it's close enough */
6656 if (gameInfo.resultDetails != NULL &&
6657 gameInfo.resultDetails[0] != NULLCHAR) {
6658 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
6659 gameInfo.resultDetails);
6661 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
6668 /* Save the current game to open file f and close the file */
6670 SaveGame(f, dummy, dummy2)
6675 if (gameMode == EditPosition) EditPositionDone();
6676 if (appData.oldSaveStyle)
6677 return SaveGameOldStyle(f);
6679 return SaveGamePGN(f);
6682 /* Save the current position to the given file */
6684 SavePositionToFile(filename)
6690 if (strcmp(filename, "-") == 0) {
6691 return SavePosition(stdout, 0, NULL);
6693 f = fopen(filename, "a");
6695 sprintf(buf, "Can't open \"%s\"", filename);
6696 DisplayError(buf, errno);
6699 SavePosition(f, 0, NULL);
6705 /* Save the current position to the given open file and close the file */
6707 SavePosition(f, dummy, dummy2)
6715 if (appData.oldSaveStyle) {
6716 tm = time((time_t *) NULL);
6718 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
6720 fprintf(f, "[--------------\n");
6721 PrintPosition(f, currentMove);
6722 fprintf(f, "--------------]\n");
6724 fen = PositionToFEN(currentMove);
6725 fprintf(f, "%s\n", fen);
6733 ReloadCmailMsgEvent(unregister)
6737 static char *inFilename = NULL;
6738 static char *outFilename;
6740 struct stat inbuf, outbuf;
6743 /* Any registered moves are unregistered if unregister is set, */
6744 /* i.e. invoked by the signal handler */
6746 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
6747 cmailMoveRegistered[i] = FALSE;
6748 if (cmailCommentList[i] != NULL) {
6749 free(cmailCommentList[i]);
6750 cmailCommentList[i] = NULL;
6753 nCmailMovesRegistered = 0;
6756 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
6757 cmailResult[i] = CMAIL_NOT_RESULT;
6761 if (inFilename == NULL) {
6762 /* Because the filenames are static they only get malloced once */
6763 /* and they never get freed */
6764 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
6765 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
6767 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
6768 sprintf(outFilename, "%s.out", appData.cmailGameName);
6771 status = stat(outFilename, &outbuf);
6773 cmailMailedMove = FALSE;
6775 status = stat(inFilename, &inbuf);
6776 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
6779 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
6780 counts the games, notes how each one terminated, etc.
6782 It would be nice to remove this kludge and instead gather all
6783 the information while building the game list. (And to keep it
6784 in the game list nodes instead of having a bunch of fixed-size
6785 parallel arrays.) Note this will require getting each game's
6786 termination from the PGN tags, as the game list builder does
6787 not process the game moves. --mann
6789 cmailMsgLoaded = TRUE;
6790 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
6792 /* Load first game in the file or popup game menu */
6793 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
6803 char string[MSG_SIZ];
6805 if ( cmailMailedMove
6806 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
6807 return TRUE; /* Allow free viewing */
6810 /* Unregister move to ensure that we don't leave RegisterMove */
6811 /* with the move registered when the conditions for registering no */
6813 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
6814 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
6815 nCmailMovesRegistered --;
6817 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
6819 free(cmailCommentList[lastLoadGameNumber - 1]);
6820 cmailCommentList[lastLoadGameNumber - 1] = NULL;
6824 if (cmailOldMove == -1) {
6825 DisplayError("You have edited the game history.\nUse Reload Same Game and make your move again.", 0);
6829 if (currentMove > cmailOldMove + 1) {
6830 DisplayError("You have entered too many moves.\nBack up to the correct position and try again.", 0);
6834 if (currentMove < cmailOldMove) {
6835 DisplayError("Displayed position is not current.\nStep forward to the correct position and try again.", 0);
6839 if (forwardMostMove > currentMove) {
6840 /* Silently truncate extra moves */
6844 if ( (currentMove == cmailOldMove + 1)
6845 || ( (currentMove == cmailOldMove)
6846 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
6847 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
6848 if (gameInfo.result != GameUnfinished) {
6849 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
6852 if (commentList[currentMove] != NULL) {
6853 cmailCommentList[lastLoadGameNumber - 1]
6854 = StrSave(commentList[currentMove]);
6856 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
6858 if (appData.debugMode)
6859 fprintf(debugFP, "Saving %s for game %d\n",
6860 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
6863 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
6865 f = fopen(string, "w");
6866 if (appData.oldSaveStyle) {
6867 SaveGameOldStyle(f); /* also closes the file */
6869 sprintf(string, "%s.pos.out", appData.cmailGameName);
6870 f = fopen(string, "w");
6871 SavePosition(f, 0, NULL); /* also closes the file */
6873 fprintf(f, "{--------------\n");
6874 PrintPosition(f, currentMove);
6875 fprintf(f, "--------------}\n\n");
6877 SaveGame(f, 0, NULL); /* also closes the file*/
6880 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
6881 nCmailMovesRegistered ++;
6882 } else if (nCmailGames == 1) {
6883 DisplayError("You have not made a move yet", 0);
6894 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
6895 FILE *commandOutput;
6896 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
6897 int nBytes = 0; /* Suppress warnings on uninitialized variables */
6903 if (! cmailMsgLoaded) {
6904 DisplayError("The cmail message is not loaded.\nUse Reload CMail Message and make your move again.", 0);
6908 if (nCmailGames == nCmailResults) {
6909 DisplayError("No unfinished games", 0);
6913 #if CMAIL_PROHIBIT_REMAIL
6914 if (cmailMailedMove) {
6915 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);
6916 DisplayError(msg, 0);
6921 if (! (cmailMailedMove || RegisterMove())) return;
6923 if ( cmailMailedMove
6924 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
6925 sprintf(string, partCommandString,
6926 appData.debugMode ? " -v" : "", appData.cmailGameName);
6927 commandOutput = popen(string, "rb");
6929 if (commandOutput == NULL) {
6930 DisplayError("Failed to invoke cmail", 0);
6932 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
6933 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
6936 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
6937 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
6938 nBytes = MSG_SIZ - 1;
6940 (void) memcpy(msg, buffer, nBytes);
6942 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
6944 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
6945 cmailMailedMove = TRUE; /* Prevent >1 moves */
6948 for (i = 0; i < nCmailGames; i ++) {
6949 if (cmailResult[i] == CMAIL_NOT_RESULT) {
6954 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
6956 sprintf(buffer, "%s/%s.%s.archive",
6958 appData.cmailGameName,
6960 LoadGameFromFile(buffer, 1, buffer, FALSE);
6961 cmailMsgLoaded = FALSE;
6965 DisplayInformation(msg);
6966 pclose(commandOutput);
6969 if ((*cmailMsg) != '\0') {
6970 DisplayInformation(cmailMsg);
6984 int prependComma = 0;
6986 char string[MSG_SIZ]; /* Space for game-list */
6989 if (!cmailMsgLoaded) return "";
6991 if (cmailMailedMove) {
6992 sprintf(cmailMsg, "Waiting for reply from opponent\n");
6994 /* Create a list of games left */
6995 sprintf(string, "[");
6996 for (i = 0; i < nCmailGames; i ++) {
6997 if (! ( cmailMoveRegistered[i]
6998 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
7000 sprintf(number, ",%d", i + 1);
7002 sprintf(number, "%d", i + 1);
7006 strcat(string, number);
7009 strcat(string, "]");
7011 if (nCmailMovesRegistered + nCmailResults == 0) {
7012 switch (nCmailGames) {
7015 "Still need to make move for game\n");
7020 "Still need to make moves for both games\n");
7025 "Still need to make moves for all %d games\n",
7030 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
7033 "Still need to make a move for game %s\n",
7038 if (nCmailResults == nCmailGames) {
7039 sprintf(cmailMsg, "No unfinished games\n");
7041 sprintf(cmailMsg, "Ready to send mail\n");
7047 "Still need to make moves for games %s\n",
7059 if (gameMode == Training)
7060 SetTrainingModeOff();
7063 cmailMsgLoaded = FALSE;
7064 if (appData.icsActive) {
7065 SendToICS(ics_prefix);
7066 SendToICS("refresh\n");
7070 static int exiting = 0;
7078 /* Give up on clean exit */
7082 /* Keep trying for clean exit */
7086 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
7088 if (telnetISR != NULL) {
7089 RemoveInputSource(telnetISR);
7091 if (icsPR != NoProc) {
7092 DestroyChildProcess(icsPR, TRUE);
7094 /* Save game if resource set and not already saved by GameEnds() */
7095 if (gameInfo.resultDetails == NULL && forwardMostMove > 0) {
7096 if (*appData.saveGameFile != NULLCHAR) {
7097 SaveGameToFile(appData.saveGameFile, TRUE);
7098 } else if (appData.autoSaveGames) {
7101 if (*appData.savePositionFile != NULLCHAR) {
7102 SavePositionToFile(appData.savePositionFile);
7105 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
7107 /* Kill off chess programs */
7108 if (first.pr != NoProc) {
7110 SendToProgram("quit\n", &first);
7111 DestroyChildProcess(first.pr, first.useSigterm);
7113 if (second.pr != NoProc) {
7114 SendToProgram("quit\n", &second);
7115 DestroyChildProcess(second.pr, second.useSigterm);
7117 if (first.isr != NULL) {
7118 RemoveInputSource(first.isr);
7120 if (second.isr != NULL) {
7121 RemoveInputSource(second.isr);
7131 if (appData.debugMode)
7132 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
7136 if (gameMode == MachinePlaysWhite ||
7137 gameMode == MachinePlaysBlack) {
7140 DisplayBothClocks();
7142 if (gameMode == PlayFromGameFile) {
7143 if (appData.timeDelay >= 0)
7145 } else if (gameMode == IcsExamining && pauseExamInvalid) {
7147 SendToICS(ics_prefix);
7148 SendToICS("refresh\n");
7149 } else if (currentMove < forwardMostMove) {
7150 ForwardInner(forwardMostMove);
7152 pauseExamInvalid = FALSE;
7158 pauseExamForwardMostMove = forwardMostMove;
7159 pauseExamInvalid = FALSE;
7162 case IcsPlayingWhite:
7163 case IcsPlayingBlack:
7167 case PlayFromGameFile:
7168 (void) StopLoadGameTimer();
7172 case BeginningOfGame:
7173 if (appData.icsActive) return;
7174 /* else fall through */
7175 case MachinePlaysWhite:
7176 case MachinePlaysBlack:
7177 case TwoMachinesPlay:
7178 if (forwardMostMove == 0)
7179 return; /* don't pause if no one has moved */
7180 if ((gameMode == MachinePlaysWhite &&
7181 !WhiteOnMove(forwardMostMove)) ||
7182 (gameMode == MachinePlaysBlack &&
7183 WhiteOnMove(forwardMostMove))) {
7196 char title[MSG_SIZ];
7198 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
7199 strcpy(title, "Edit comment");
7201 sprintf(title, "Edit comment on %d.%s%s", (currentMove - 1) / 2 + 1,
7202 WhiteOnMove(currentMove - 1) ? " " : ".. ",
7203 parseList[currentMove - 1]);
7206 EditCommentPopUp(currentMove, title, commentList[currentMove]);
7213 char *tags = PGNTags(&gameInfo);
7214 EditTagsPopUp(tags);
7221 if (appData.noChessProgram || gameMode == AnalyzeMode)
7224 if (gameMode != AnalyzeFile) {
7226 if (gameMode != EditGame) return;
7227 ResurrectChessProgram();
7228 SendToProgram("analyze\n", &first);
7229 first.analyzing = TRUE;
7230 /*first.maybeThinking = TRUE;*/
7231 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
7232 AnalysisPopUp("Analysis",
7233 "Starting analysis mode...\nIf this message stays up, your chess program does not support analysis.");
7235 gameMode = AnalyzeMode;
7240 StartAnalysisClock();
7241 GetTimeMark(&lastNodeCountTime);
7248 if (appData.noChessProgram || gameMode == AnalyzeFile)
7251 if (gameMode != AnalyzeMode) {
7253 if (gameMode != EditGame) return;
7254 ResurrectChessProgram();
7255 SendToProgram("analyze\n", &first);
7256 first.analyzing = TRUE;
7257 /*first.maybeThinking = TRUE;*/
7258 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
7259 AnalysisPopUp("Analysis",
7260 "Starting analysis mode...\nIf this message stays up, your chess program does not support analysis.");
7262 gameMode = AnalyzeFile;
7267 StartAnalysisClock();
7268 GetTimeMark(&lastNodeCountTime);
7277 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
7281 if (gameMode == PlayFromGameFile ||
7282 gameMode == TwoMachinesPlay ||
7283 gameMode == Training ||
7284 gameMode == AnalyzeMode ||
7285 gameMode == EndOfGame)
7288 if (gameMode == EditPosition)
7291 if (!WhiteOnMove(currentMove)) {
7292 DisplayError("It is not White's turn", 0);
7296 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
7299 if (gameMode == EditGame || gameMode == AnalyzeMode ||
7300 gameMode == AnalyzeFile)
7303 ResurrectChessProgram(); /* in case it isn't running */
7304 gameMode = MachinePlaysWhite;
7308 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7310 if (first.sendName) {
7311 sprintf(buf, "name %s\n", gameInfo.black);
7312 SendToProgram(buf, &first);
7314 if (first.sendTime) {
7315 if (first.useColors) {
7316 SendToProgram("black\n", &first); /*gnu kludge*/
7318 SendTimeRemaining(&first, TRUE);
7320 if (first.useColors) {
7321 SendToProgram("white\ngo\n", &first);
7323 SendToProgram("go\n", &first);
7325 SetMachineThinkingEnables();
7326 first.maybeThinking = TRUE;
7329 if (appData.autoFlipView && !flipView) {
7330 flipView = !flipView;
7331 DrawPosition(FALSE, NULL);
7340 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
7344 if (gameMode == PlayFromGameFile ||
7345 gameMode == TwoMachinesPlay ||
7346 gameMode == Training ||
7347 gameMode == AnalyzeMode ||
7348 gameMode == EndOfGame)
7351 if (gameMode == EditPosition)
7354 if (WhiteOnMove(currentMove)) {
7355 DisplayError("It is not Black's turn", 0);
7359 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
7362 if (gameMode == EditGame || gameMode == AnalyzeMode ||
7363 gameMode == AnalyzeFile)
7366 ResurrectChessProgram(); /* in case it isn't running */
7367 gameMode = MachinePlaysBlack;
7371 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7373 if (first.sendName) {
7374 sprintf(buf, "name %s\n", gameInfo.white);
7375 SendToProgram(buf, &first);
7377 if (first.sendTime) {
7378 if (first.useColors) {
7379 SendToProgram("white\n", &first); /*gnu kludge*/
7381 SendTimeRemaining(&first, FALSE);
7383 if (first.useColors) {
7384 SendToProgram("black\ngo\n", &first);
7386 SendToProgram("go\n", &first);
7388 SetMachineThinkingEnables();
7389 first.maybeThinking = TRUE;
7392 if (appData.autoFlipView && flipView) {
7393 flipView = !flipView;
7394 DrawPosition(FALSE, NULL);
7400 DisplayTwoMachinesTitle()
7403 if (appData.matchGames > 0) {
7404 if (first.twoMachinesColor[0] == 'w') {
7405 sprintf(buf, "%s vs. %s (%d-%d-%d)",
7406 gameInfo.white, gameInfo.black,
7407 first.matchWins, second.matchWins,
7408 matchGame - 1 - (first.matchWins + second.matchWins));
7410 sprintf(buf, "%s vs. %s (%d-%d-%d)",
7411 gameInfo.white, gameInfo.black,
7412 second.matchWins, first.matchWins,
7413 matchGame - 1 - (first.matchWins + second.matchWins));
7416 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
7422 TwoMachinesEvent P((void))
7426 ChessProgramState *onmove;
7428 if (appData.noChessProgram) return;
7431 case TwoMachinesPlay:
7433 case MachinePlaysWhite:
7434 case MachinePlaysBlack:
7435 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
7436 DisplayError("Wait until your turn,\nor select Move Now", 0);
7440 case BeginningOfGame:
7441 case PlayFromGameFile:
7444 if (gameMode != EditGame) return;
7458 forwardMostMove = currentMove;
7459 ResurrectChessProgram(); /* in case first program isn't running */
7461 if (second.pr == NULL) {
7462 StartChessProgram(&second);
7463 if (second.protocolVersion == 1) {
7464 TwoMachinesEventIfReady();
7466 /* kludge: allow timeout for initial "feature" command */
7468 DisplayMessage("", "Starting second chess program");
7469 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
7473 DisplayMessage("", "");
7474 InitChessProgram(&second);
7475 SendToProgram("force\n", &second);
7476 if (startedFromSetupPosition) {
7477 SendBoard(&second, backwardMostMove);
7479 for (i = backwardMostMove; i < forwardMostMove; i++) {
7480 SendMoveToProgram(i, &second);
7483 gameMode = TwoMachinesPlay;
7487 DisplayTwoMachinesTitle();
7489 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
7495 SendToProgram(first.computerString, &first);
7496 if (first.sendName) {
7497 sprintf(buf, "name %s\n", second.tidy);
7498 SendToProgram(buf, &first);
7500 SendToProgram(second.computerString, &second);
7501 if (second.sendName) {
7502 sprintf(buf, "name %s\n", first.tidy);
7503 SendToProgram(buf, &second);
7506 if (!first.sendTime || !second.sendTime) {
7508 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7509 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7511 if (onmove->sendTime) {
7512 if (onmove->useColors) {
7513 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
7515 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
7517 if (onmove->useColors) {
7518 SendToProgram(onmove->twoMachinesColor, onmove);
7520 SendToProgram("go\n", onmove);
7521 onmove->maybeThinking = TRUE;
7522 SetMachineThinkingEnables();
7530 if (gameMode == Training) {
7531 SetTrainingModeOff();
7532 gameMode = PlayFromGameFile;
7533 DisplayMessage("", "Training mode off");
7535 gameMode = Training;
7536 animateTraining = appData.animate;
7538 /* make sure we are not already at the end of the game */
7539 if (currentMove < forwardMostMove) {
7540 SetTrainingModeOn();
7541 DisplayMessage("", "Training mode on");
7543 gameMode = PlayFromGameFile;
7544 DisplayError("Already at end of game", 0);
7553 if (!appData.icsActive) return;
7555 case IcsPlayingWhite:
7556 case IcsPlayingBlack:
7559 case BeginningOfGame:
7593 SetTrainingModeOff();
7595 case MachinePlaysWhite:
7596 case MachinePlaysBlack:
7597 case BeginningOfGame:
7598 SendToProgram("force\n", &first);
7599 SetUserThinkingEnables();
7601 case PlayFromGameFile:
7602 (void) StopLoadGameTimer();
7603 if (gameFileFP != NULL) {
7613 SendToProgram("force\n", &first);
7615 case TwoMachinesPlay:
7616 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
7617 ResurrectChessProgram();
7618 SetUserThinkingEnables();
7621 ResurrectChessProgram();
7623 case IcsPlayingBlack:
7624 case IcsPlayingWhite:
7625 DisplayError("Warning: You are still playing a game", 0);
7628 DisplayError("Warning: You are still observing a game", 0);
7631 DisplayError("Warning: You are still examining a game", 0);
7642 first.offeredDraw = second.offeredDraw = 0;
7644 if (gameMode == PlayFromGameFile) {
7645 whiteTimeRemaining = timeRemaining[0][currentMove];
7646 blackTimeRemaining = timeRemaining[1][currentMove];
7650 if (gameMode == MachinePlaysWhite ||
7651 gameMode == MachinePlaysBlack ||
7652 gameMode == TwoMachinesPlay ||
7653 gameMode == EndOfGame) {
7654 i = forwardMostMove;
7655 while (i > currentMove) {
7656 SendToProgram("undo\n", &first);
7659 whiteTimeRemaining = timeRemaining[0][currentMove];
7660 blackTimeRemaining = timeRemaining[1][currentMove];
7661 DisplayBothClocks();
7662 if (whiteFlag || blackFlag) {
7663 whiteFlag = blackFlag = 0;
7668 gameMode = EditGame;
7677 if (gameMode == EditPosition) {
7683 if (gameMode != EditGame) return;
7685 gameMode = EditPosition;
7688 if (currentMove > 0)
7689 CopyBoard(boards[0], boards[currentMove]);
7691 blackPlaysFirst = !WhiteOnMove(currentMove);
7693 currentMove = forwardMostMove = backwardMostMove = 0;
7694 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
7701 if (first.analysisSupport && first.analyzing) {
7702 SendToProgram("exit\n", &first);
7703 first.analyzing = FALSE;
7706 thinkOutput[0] = NULLCHAR;
7712 startedFromSetupPosition = TRUE;
7713 InitChessProgram(&first);
7714 SendToProgram("force\n", &first);
7715 if (blackPlaysFirst) {
7716 strcpy(moveList[0], "");
7717 strcpy(parseList[0], "");
7718 currentMove = forwardMostMove = backwardMostMove = 1;
7719 CopyBoard(boards[1], boards[0]);
7721 currentMove = forwardMostMove = backwardMostMove = 0;
7723 SendBoard(&first, forwardMostMove);
7725 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7726 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7727 gameMode = EditGame;
7729 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
7732 /* Pause for `ms' milliseconds */
7733 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
7743 } while (SubtractTimeMarks(&m2, &m1) < ms);
7746 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
7748 SendMultiLineToICS(buf)
7751 char temp[MSG_SIZ+1], *p;
7758 strncpy(temp, buf, len);
7763 if (*p == '\n' || *p == '\r')
7770 SendToPlayer(temp, strlen(temp));
7774 SetWhiteToPlayEvent()
7776 if (gameMode == EditPosition) {
7777 blackPlaysFirst = FALSE;
7778 DisplayBothClocks(); /* works because currentMove is 0 */
7779 } else if (gameMode == IcsExamining) {
7780 SendToICS(ics_prefix);
7781 SendToICS("tomove white\n");
7786 SetBlackToPlayEvent()
7788 if (gameMode == EditPosition) {
7789 blackPlaysFirst = TRUE;
7790 currentMove = 1; /* kludge */
7791 DisplayBothClocks();
7793 } else if (gameMode == IcsExamining) {
7794 SendToICS(ics_prefix);
7795 SendToICS("tomove black\n");
7800 EditPositionMenuEvent(selection, x, y)
7801 ChessSquare selection;
7806 if (gameMode != EditPosition && gameMode != IcsExamining) return;
7808 switch (selection) {
7810 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
7811 SendToICS(ics_prefix);
7812 SendToICS("bsetup clear\n");
7813 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
7814 SendToICS(ics_prefix);
7815 SendToICS("clearboard\n");
7817 for (x = 0; x < BOARD_SIZE; x++) {
7818 for (y = 0; y < BOARD_SIZE; y++) {
7819 if (gameMode == IcsExamining) {
7820 if (boards[currentMove][y][x] != EmptySquare) {
7821 sprintf(buf, "%sx@%c%c\n", ics_prefix,
7826 boards[0][y][x] = EmptySquare;
7831 if (gameMode == EditPosition) {
7832 DrawPosition(FALSE, boards[0]);
7837 SetWhiteToPlayEvent();
7841 SetBlackToPlayEvent();
7845 if (gameMode == IcsExamining) {
7846 sprintf(buf, "%sx@%c%c\n", ics_prefix, 'a' + x, '1' + y);
7849 boards[0][y][x] = EmptySquare;
7850 DrawPosition(FALSE, boards[0]);
7855 if (gameMode == IcsExamining) {
7856 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
7857 PieceToChar(selection), 'a' + x, '1' + y);
7860 boards[0][y][x] = selection;
7861 DrawPosition(FALSE, boards[0]);
7869 DropMenuEvent(selection, x, y)
7870 ChessSquare selection;
7876 case IcsPlayingWhite:
7877 case MachinePlaysBlack:
7878 if (!WhiteOnMove(currentMove)) {
7879 DisplayMoveError("It is Black's turn");
7882 moveType = WhiteDrop;
7884 case IcsPlayingBlack:
7885 case MachinePlaysWhite:
7886 if (WhiteOnMove(currentMove)) {
7887 DisplayMoveError("It is White's turn");
7890 moveType = BlackDrop;
7893 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7899 if (moveType == BlackDrop && selection < BlackPawn) {
7900 selection = (ChessSquare) ((int) selection
7901 + (int) BlackPawn - (int) WhitePawn);
7903 if (boards[currentMove][y][x] != EmptySquare) {
7904 DisplayMoveError("That square is occupied");
7908 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
7914 /* Accept a pending offer of any kind from opponent */
7916 if (appData.icsActive) {
7917 SendToICS(ics_prefix);
7918 SendToICS("accept\n");
7919 } else if (cmailMsgLoaded) {
7920 if (currentMove == cmailOldMove &&
7921 commentList[cmailOldMove] != NULL &&
7922 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
7923 "Black offers a draw" : "White offers a draw")) {
7925 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
7926 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
7928 DisplayError("There is no pending offer on this move", 0);
7929 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7932 /* Not used for offers from chess program */
7939 /* Decline a pending offer of any kind from opponent */
7941 if (appData.icsActive) {
7942 SendToICS(ics_prefix);
7943 SendToICS("decline\n");
7944 } else if (cmailMsgLoaded) {
7945 if (currentMove == cmailOldMove &&
7946 commentList[cmailOldMove] != NULL &&
7947 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
7948 "Black offers a draw" : "White offers a draw")) {
7950 AppendComment(cmailOldMove, "Draw declined");
7951 DisplayComment(cmailOldMove - 1, "Draw declined");
7954 DisplayError("There is no pending offer on this move", 0);
7957 /* Not used for offers from chess program */
7964 /* Issue ICS rematch command */
7965 if (appData.icsActive) {
7966 SendToICS(ics_prefix);
7967 SendToICS("rematch\n");
7974 /* Call your opponent's flag (claim a win on time) */
7975 if (appData.icsActive) {
7976 SendToICS(ics_prefix);
7977 SendToICS("flag\n");
7982 case MachinePlaysWhite:
7985 GameEnds(GameIsDrawn, "Both players ran out of time",
7988 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
7990 DisplayError("Your opponent is not out of time", 0);
7993 case MachinePlaysBlack:
7996 GameEnds(GameIsDrawn, "Both players ran out of time",
7999 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
8001 DisplayError("Your opponent is not out of time", 0);
8011 /* Offer draw or accept pending draw offer from opponent */
8013 if (appData.icsActive) {
8014 /* Note: tournament rules require draw offers to be
8015 made after you make your move but before you punch
8016 your clock. Currently ICS doesn't let you do that;
8017 instead, you immediately punch your clock after making
8018 a move, but you can offer a draw at any time. */
8020 SendToICS(ics_prefix);
8021 SendToICS("draw\n");
8022 } else if (cmailMsgLoaded) {
8023 if (currentMove == cmailOldMove &&
8024 commentList[cmailOldMove] != NULL &&
8025 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
8026 "Black offers a draw" : "White offers a draw")) {
8027 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8028 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
8029 } else if (currentMove == cmailOldMove + 1) {
8030 char *offer = WhiteOnMove(cmailOldMove) ?
8031 "White offers a draw" : "Black offers a draw";
8032 AppendComment(currentMove, offer);
8033 DisplayComment(currentMove - 1, offer);
8034 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
8036 DisplayError("You must make your move before offering a draw", 0);
8037 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8039 } else if (first.offeredDraw) {
8040 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8042 if (first.sendDrawOffers) {
8043 SendToProgram("draw\n", &first);
8044 userOfferedDraw = TRUE;
8052 /* Offer Adjourn or accept pending Adjourn offer from opponent */
8054 if (appData.icsActive) {
8055 SendToICS(ics_prefix);
8056 SendToICS("adjourn\n");
8058 /* Currently GNU Chess doesn't offer or accept Adjourns */
8066 /* Offer Abort or accept pending Abort offer from opponent */
8068 if (appData.icsActive) {
8069 SendToICS(ics_prefix);
8070 SendToICS("abort\n");
8072 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
8079 /* Resign. You can do this even if it's not your turn. */
8081 if (appData.icsActive) {
8082 SendToICS(ics_prefix);
8083 SendToICS("resign\n");
8086 case MachinePlaysWhite:
8087 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8089 case MachinePlaysBlack:
8090 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8093 if (cmailMsgLoaded) {
8095 if (WhiteOnMove(cmailOldMove)) {
8096 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8098 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8100 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
8111 StopObservingEvent()
8113 /* Stop observing current games */
8114 SendToICS(ics_prefix);
8115 SendToICS("unobserve\n");
8119 StopExaminingEvent()
8121 /* Stop observing current game */
8122 SendToICS(ics_prefix);
8123 SendToICS("unexamine\n");
8127 ForwardInner(target)
8132 if (appData.debugMode)
8133 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
8134 target, currentMove, forwardMostMove);
8136 if (gameMode == EditPosition)
8139 if (gameMode == PlayFromGameFile && !pausing)
8142 if (gameMode == IcsExamining && pausing)
8143 limit = pauseExamForwardMostMove;
8145 limit = forwardMostMove;
8147 if (target > limit) target = limit;
8149 if (target > 0 && moveList[target - 1][0]) {
8150 int fromX, fromY, toX, toY;
8151 toX = moveList[target - 1][2] - 'a';
8152 toY = moveList[target - 1][3] - '1';
8153 if (moveList[target - 1][1] == '@') {
8154 if (appData.highlightLastMove) {
8155 SetHighlights(-1, -1, toX, toY);
8158 fromX = moveList[target - 1][0] - 'a';
8159 fromY = moveList[target - 1][1] - '1';
8160 if (target == currentMove + 1) {
8161 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8163 if (appData.highlightLastMove) {
8164 SetHighlights(fromX, fromY, toX, toY);
8168 if (gameMode == EditGame || gameMode == AnalyzeMode ||
8169 gameMode == Training || gameMode == PlayFromGameFile ||
8170 gameMode == AnalyzeFile) {
8171 while (currentMove < target) {
8172 SendMoveToProgram(currentMove++, &first);
8175 currentMove = target;
8178 if (gameMode == EditGame || gameMode == EndOfGame) {
8179 whiteTimeRemaining = timeRemaining[0][currentMove];
8180 blackTimeRemaining = timeRemaining[1][currentMove];
8182 DisplayBothClocks();
8183 DisplayMove(currentMove - 1);
8184 DrawPosition(FALSE, boards[currentMove]);
8185 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8186 if (commentList[currentMove] && !matchMode && gameMode != Training) {
8187 DisplayComment(currentMove - 1, commentList[currentMove]);
8195 if (gameMode == IcsExamining && !pausing) {
8196 SendToICS(ics_prefix);
8197 SendToICS("forward\n");
8199 ForwardInner(currentMove + 1);
8206 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8207 /* to optimze, we temporarily turn off analysis mode while we feed
8208 * the remaining moves to the engine. Otherwise we get analysis output
8211 if (first.analysisSupport) {
8212 SendToProgram("exit\nforce\n", &first);
8213 first.analyzing = FALSE;
8217 if (gameMode == IcsExamining && !pausing) {
8218 SendToICS(ics_prefix);
8219 SendToICS("forward 999999\n");
8221 ForwardInner(forwardMostMove);
8224 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8225 /* we have fed all the moves, so reactivate analysis mode */
8226 SendToProgram("analyze\n", &first);
8227 first.analyzing = TRUE;
8228 /*first.maybeThinking = TRUE;*/
8229 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
8234 BackwardInner(target)
8237 if (appData.debugMode)
8238 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
8239 target, currentMove, forwardMostMove);
8241 if (gameMode == EditPosition) return;
8242 if (currentMove <= backwardMostMove) {
8244 DrawPosition(FALSE, boards[currentMove]);
8247 if (gameMode == PlayFromGameFile && !pausing)
8250 if (moveList[target][0]) {
8251 int fromX, fromY, toX, toY;
8252 toX = moveList[target][2] - 'a';
8253 toY = moveList[target][3] - '1';
8254 if (moveList[target][1] == '@') {
8255 if (appData.highlightLastMove) {
8256 SetHighlights(-1, -1, toX, toY);
8259 fromX = moveList[target][0] - 'a';
8260 fromY = moveList[target][1] - '1';
8261 if (target == currentMove - 1) {
8262 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
8264 if (appData.highlightLastMove) {
8265 SetHighlights(fromX, fromY, toX, toY);
8269 if (gameMode == EditGame || gameMode==AnalyzeMode ||
8270 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8271 while (currentMove > target) {
8272 SendToProgram("undo\n", &first);
8276 currentMove = target;
8279 if (gameMode == EditGame || gameMode == EndOfGame) {
8280 whiteTimeRemaining = timeRemaining[0][currentMove];
8281 blackTimeRemaining = timeRemaining[1][currentMove];
8283 DisplayBothClocks();
8284 DisplayMove(currentMove - 1);
8285 DrawPosition(FALSE, boards[currentMove]);
8286 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8287 if (commentList[currentMove] != NULL) {
8288 DisplayComment(currentMove - 1, commentList[currentMove]);
8295 if (gameMode == IcsExamining && !pausing) {
8296 SendToICS(ics_prefix);
8297 SendToICS("backward\n");
8299 BackwardInner(currentMove - 1);
8306 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8307 /* to optimze, we temporarily turn off analysis mode while we undo
8308 * all the moves. Otherwise we get analysis output after each undo.
8310 if (first.analysisSupport) {
8311 SendToProgram("exit\nforce\n", &first);
8312 first.analyzing = FALSE;
8316 if (gameMode == IcsExamining && !pausing) {
8317 SendToICS(ics_prefix);
8318 SendToICS("backward 999999\n");
8320 BackwardInner(backwardMostMove);
8323 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
8324 /* we have fed all the moves, so reactivate analysis mode */
8325 SendToProgram("analyze\n", &first);
8326 first.analyzing = TRUE;
8327 /*first.maybeThinking = TRUE;*/
8328 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
8335 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
8336 if (to >= forwardMostMove) to = forwardMostMove;
8337 if (to <= backwardMostMove) to = backwardMostMove;
8338 if (to < currentMove) {
8348 if (gameMode != IcsExamining) {
8349 DisplayError("You are not examining a game", 0);
8353 DisplayError("You can't revert while pausing", 0);
8356 SendToICS(ics_prefix);
8357 SendToICS("revert\n");
8364 case MachinePlaysWhite:
8365 case MachinePlaysBlack:
8366 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
8367 DisplayError("Wait until your turn,\nor select Move Now", 0);
8370 if (forwardMostMove < 2) return;
8371 currentMove = forwardMostMove = forwardMostMove - 2;
8372 whiteTimeRemaining = timeRemaining[0][currentMove];
8373 blackTimeRemaining = timeRemaining[1][currentMove];
8374 DisplayBothClocks();
8375 DisplayMove(currentMove - 1);
8376 ClearHighlights();/*!! could figure this out*/
8377 DrawPosition(FALSE, boards[currentMove]);
8378 SendToProgram("remove\n", &first);
8379 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
8382 case BeginningOfGame:
8386 case IcsPlayingWhite:
8387 case IcsPlayingBlack:
8388 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
8389 SendToICS(ics_prefix);
8390 SendToICS("takeback 2\n");
8392 SendToICS(ics_prefix);
8393 SendToICS("takeback 1\n");
8402 ChessProgramState *cps;
8405 case MachinePlaysWhite:
8406 if (!WhiteOnMove(forwardMostMove)) {
8407 DisplayError("It is your turn", 0);
8412 case MachinePlaysBlack:
8413 if (WhiteOnMove(forwardMostMove)) {
8414 DisplayError("It is your turn", 0);
8419 case TwoMachinesPlay:
8420 if (WhiteOnMove(forwardMostMove) ==
8421 (first.twoMachinesColor[0] == 'w')) {
8427 case BeginningOfGame:
8431 SendToProgram("?\n", cps);
8438 if (gameMode != EditGame) return;
8445 if (forwardMostMove > currentMove) {
8446 if (gameInfo.resultDetails != NULL) {
8447 free(gameInfo.resultDetails);
8448 gameInfo.resultDetails = NULL;
8449 gameInfo.result = GameUnfinished;
8451 forwardMostMove = currentMove;
8452 HistorySet(parseList, backwardMostMove, forwardMostMove,
8460 if (appData.noChessProgram) return;
8462 case MachinePlaysWhite:
8463 if (WhiteOnMove(forwardMostMove)) {
8464 DisplayError("Wait until your turn", 0);
8468 case BeginningOfGame:
8469 case MachinePlaysBlack:
8470 if (!WhiteOnMove(forwardMostMove)) {
8471 DisplayError("Wait until your turn", 0);
8476 DisplayError("No hint available", 0);
8479 SendToProgram("hint\n", &first);
8480 hintRequested = TRUE;
8486 if (appData.noChessProgram) return;
8488 case MachinePlaysWhite:
8489 if (WhiteOnMove(forwardMostMove)) {
8490 DisplayError("Wait until your turn", 0);
8494 case BeginningOfGame:
8495 case MachinePlaysBlack:
8496 if (!WhiteOnMove(forwardMostMove)) {
8497 DisplayError("Wait until your turn", 0);
8504 case TwoMachinesPlay:
8509 SendToProgram("bk\n", &first);
8510 bookOutput[0] = NULLCHAR;
8511 bookRequested = TRUE;
8517 char *tags = PGNTags(&gameInfo);
8518 TagsPopUp(tags, CmailMsg());
8522 /* end button procedures */
8525 PrintPosition(fp, move)
8531 for (i = BOARD_SIZE - 1; i >= 0; i--) {
8532 for (j = 0; j < BOARD_SIZE; j++) {
8533 char c = PieceToChar(boards[move][i][j]);
8534 fputc(c == 'x' ? '.' : c, fp);
8535 fputc(j == BOARD_SIZE - 1 ? '\n' : ' ', fp);
8538 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
8539 fprintf(fp, "white to play\n");
8541 fprintf(fp, "black to play\n");
8548 if (gameInfo.white != NULL) {
8549 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
8555 /* Find last component of program's own name, using some heuristics */
8557 TidyProgramName(prog, host, buf)
8558 char *prog, *host, buf[MSG_SIZ];
8561 int local = (strcmp(host, "localhost") == 0);
8562 while (!local && (p = strchr(prog, ';')) != NULL) {
8564 while (*p == ' ') p++;
8567 if (*prog == '"' || *prog == '\'') {
8568 q = strchr(prog + 1, *prog);
8570 q = strchr(prog, ' ');
8572 if (q == NULL) q = prog + strlen(prog);
8574 while (p >= prog && *p != '/' && *p != '\\') p--;
8576 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
8577 memcpy(buf, p, q - p);
8578 buf[q - p] = NULLCHAR;
8586 TimeControlTagValue()
8589 if (!appData.clockMode) {
8591 } else if (movesPerSession > 0) {
8592 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
8593 } else if (timeIncrement == 0) {
8594 sprintf(buf, "%ld", timeControl/1000);
8596 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
8598 return StrSave(buf);
8604 /* This routine is used only for certain modes */
8605 VariantClass v = gameInfo.variant;
8606 ClearGameInfo(&gameInfo);
8607 gameInfo.variant = v;
8610 case MachinePlaysWhite:
8611 gameInfo.event = StrSave("Computer chess game");
8612 gameInfo.site = StrSave(HostName());
8613 gameInfo.date = PGNDate();
8614 gameInfo.round = StrSave("-");
8615 gameInfo.white = StrSave(first.tidy);
8616 gameInfo.black = StrSave(UserName());
8617 gameInfo.timeControl = TimeControlTagValue();
8620 case MachinePlaysBlack:
8621 gameInfo.event = StrSave("Computer chess game");
8622 gameInfo.site = StrSave(HostName());
8623 gameInfo.date = PGNDate();
8624 gameInfo.round = StrSave("-");
8625 gameInfo.white = StrSave(UserName());
8626 gameInfo.black = StrSave(first.tidy);
8627 gameInfo.timeControl = TimeControlTagValue();
8630 case TwoMachinesPlay:
8631 gameInfo.event = StrSave("Computer chess game");
8632 gameInfo.site = StrSave(HostName());
8633 gameInfo.date = PGNDate();
8634 if (matchGame > 0) {
8636 sprintf(buf, "%d", matchGame);
8637 gameInfo.round = StrSave(buf);
8639 gameInfo.round = StrSave("-");
8641 if (first.twoMachinesColor[0] == 'w') {
8642 gameInfo.white = StrSave(first.tidy);
8643 gameInfo.black = StrSave(second.tidy);
8645 gameInfo.white = StrSave(second.tidy);
8646 gameInfo.black = StrSave(first.tidy);
8648 gameInfo.timeControl = TimeControlTagValue();
8652 gameInfo.event = StrSave("Edited game");
8653 gameInfo.site = StrSave(HostName());
8654 gameInfo.date = PGNDate();
8655 gameInfo.round = StrSave("-");
8656 gameInfo.white = StrSave("-");
8657 gameInfo.black = StrSave("-");
8661 gameInfo.event = StrSave("Edited position");
8662 gameInfo.site = StrSave(HostName());
8663 gameInfo.date = PGNDate();
8664 gameInfo.round = StrSave("-");
8665 gameInfo.white = StrSave("-");
8666 gameInfo.black = StrSave("-");
8669 case IcsPlayingWhite:
8670 case IcsPlayingBlack:
8675 case PlayFromGameFile:
8676 gameInfo.event = StrSave("Game from non-PGN file");
8677 gameInfo.site = StrSave(HostName());
8678 gameInfo.date = PGNDate();
8679 gameInfo.round = StrSave("-");
8680 gameInfo.white = StrSave("?");
8681 gameInfo.black = StrSave("?");
8690 ReplaceComment(index, text)
8696 while (*text == '\n') text++;
8698 while (len > 0 && text[len - 1] == '\n') len--;
8700 if (commentList[index] != NULL)
8701 free(commentList[index]);
8704 commentList[index] = NULL;
8707 commentList[index] = (char *) malloc(len + 2);
8708 strncpy(commentList[index], text, len);
8709 commentList[index][len] = '\n';
8710 commentList[index][len + 1] = NULLCHAR;
8723 if (ch == '\r') continue;
8725 } while (ch != '\0');
8729 AppendComment(index, text)
8737 while (*text == '\n') text++;
8739 while (len > 0 && text[len - 1] == '\n') len--;
8741 if (len == 0) return;
8743 if (commentList[index] != NULL) {
8744 old = commentList[index];
8745 oldlen = strlen(old);
8746 commentList[index] = (char *) malloc(oldlen + len + 2);
8747 strcpy(commentList[index], old);
8749 strncpy(&commentList[index][oldlen], text, len);
8750 commentList[index][oldlen + len] = '\n';
8751 commentList[index][oldlen + len + 1] = NULLCHAR;
8753 commentList[index] = (char *) malloc(len + 2);
8754 strncpy(commentList[index], text, len);
8755 commentList[index][len] = '\n';
8756 commentList[index][len + 1] = NULLCHAR;
8761 SendToProgram(message, cps)
8763 ChessProgramState *cps;
8765 int count, outCount, error;
8768 if (cps->pr == NULL) return;
8771 if (appData.debugMode) {
8774 fprintf(debugFP, "%ld >%-6s: %s",
8775 SubtractTimeMarks(&now, &programStartTime),
8776 cps->which, message);
8779 count = strlen(message);
8780 outCount = OutputToProcess(cps->pr, message, count, &error);
8781 if (outCount < count && !exiting) {
8782 sprintf(buf, "Error writing to %s chess program", cps->which);
8783 DisplayFatalError(buf, error, 1);
8788 ReceiveFromProgram(isr, closure, message, count, error)
8797 ChessProgramState *cps = (ChessProgramState *)closure;
8799 if (isr != cps->isr) return; /* Killed intentionally */
8803 "Error: %s chess program (%s) exited unexpectedly",
8804 cps->which, cps->program);
8805 RemoveInputSource(cps->isr);
8806 DisplayFatalError(buf, 0, 1);
8809 "Error reading from %s chess program (%s)",
8810 cps->which, cps->program);
8811 RemoveInputSource(cps->isr);
8812 DisplayFatalError(buf, error, 1);
8814 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8818 if ((end_str = strchr(message, '\r')) != NULL)
8819 *end_str = NULLCHAR;
8820 if ((end_str = strchr(message, '\n')) != NULL)
8821 *end_str = NULLCHAR;
8823 if (appData.debugMode) {
8826 fprintf(debugFP, "%ld <%-6s: %s\n",
8827 SubtractTimeMarks(&now, &programStartTime),
8828 cps->which, message);
8830 HandleMachineMove(message, cps);
8835 SendTimeControl(cps, mps, tc, inc, sd, st)
8836 ChessProgramState *cps;
8837 int mps, inc, sd, st;
8841 int seconds = (tc / 1000) % 60;
8844 /* Set exact time per move, normally using st command */
8845 if (cps->stKludge) {
8846 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
8849 sprintf(buf, "level 1 %d\n", st/60);
8851 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
8854 sprintf(buf, "st %d\n", st);
8857 /* Set conventional or incremental time control, using level command */
8859 /* Note old gnuchess bug -- minutes:seconds used to not work.
8860 Fixed in later versions, but still avoid :seconds
8861 when seconds is 0. */
8862 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
8864 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
8868 SendToProgram(buf, cps);
8870 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
8871 /* Orthogonally, limit search to given depth */
8873 if (cps->sdKludge) {
8874 sprintf(buf, "depth\n%d\n", sd);
8876 sprintf(buf, "sd %d\n", sd);
8878 SendToProgram(buf, cps);
8883 SendTimeRemaining(cps, machineWhite)
8884 ChessProgramState *cps;
8885 int /*boolean*/ machineWhite;
8887 char message[MSG_SIZ];
8890 /* Note: this routine must be called when the clocks are stopped
8891 or when they have *just* been set or switched; otherwise
8892 it will be off by the time since the current tick started.
8895 time = whiteTimeRemaining / 10;
8896 otime = blackTimeRemaining / 10;
8898 time = blackTimeRemaining / 10;
8899 otime = whiteTimeRemaining / 10;
8901 if (time <= 0) time = 1;
8902 if (otime <= 0) otime = 1;
8904 sprintf(message, "time %ld\notim %ld\n", time, otime);
8905 SendToProgram(message, cps);
8909 BoolFeature(p, name, loc, cps)
8913 ChessProgramState *cps;
8916 int len = strlen(name);
8918 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
8920 sscanf(*p, "%d", &val);
8922 while (**p && **p != ' ') (*p)++;
8923 sprintf(buf, "accepted %s\n", name);
8924 SendToProgram(buf, cps);
8931 IntFeature(p, name, loc, cps)
8935 ChessProgramState *cps;
8938 int len = strlen(name);
8939 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
8941 sscanf(*p, "%d", loc);
8942 while (**p && **p != ' ') (*p)++;
8943 sprintf(buf, "accepted %s\n", name);
8944 SendToProgram(buf, cps);
8951 StringFeature(p, name, loc, cps)
8955 ChessProgramState *cps;
8958 int len = strlen(name);
8959 if (strncmp((*p), name, len) == 0
8960 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
8962 sscanf(*p, "%[^\"]", loc);
8963 while (**p && **p != '\"') (*p)++;
8964 if (**p == '\"') (*p)++;
8965 sprintf(buf, "accepted %s\n", name);
8966 SendToProgram(buf, cps);
8973 FeatureDone(cps, val)
8974 ChessProgramState* cps;
8977 DelayedEventCallback cb = GetDelayedEvent();
8978 if ((cb == InitBackEnd3 && cps == &first) ||
8979 (cb == TwoMachinesEventIfReady && cps == &second)) {
8980 CancelDelayedEvent();
8981 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
8983 cps->initDone = val;
8986 /* Parse feature command from engine */
8988 ParseFeatures(args, cps)
8990 ChessProgramState *cps;
8998 while (*p == ' ') p++;
8999 if (*p == NULLCHAR) return;
9001 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
9002 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
9003 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
9004 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
9005 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
9006 if (BoolFeature(&p, "reuse", &val, cps)) {
9007 /* Engine can disable reuse, but can't enable it if user said no */
9008 if (!val) cps->reuse = FALSE;
9011 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
9012 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
9013 if (gameMode == TwoMachinesPlay) {
9014 DisplayTwoMachinesTitle();
9020 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
9021 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
9022 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
9023 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
9024 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
9025 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
9026 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
9027 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
9028 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
9029 if (IntFeature(&p, "done", &val, cps)) {
9030 FeatureDone(cps, val);
9034 /* unknown feature: complain and skip */
9036 while (*q && *q != '=') q++;
9037 sprintf(buf, "rejected %.*s\n", q-p, p);
9038 SendToProgram(buf, cps);
9044 while (*p && *p != '\"') p++;
9045 if (*p == '\"') p++;
9047 while (*p && *p != ' ') p++;
9055 PeriodicUpdatesEvent(newState)
9058 if (newState == appData.periodicUpdates)
9061 appData.periodicUpdates=newState;
9063 /* Display type changes, so update it now */
9066 /* Get the ball rolling again... */
9068 AnalysisPeriodicEvent(1);
9069 StartAnalysisClock();
9074 PonderNextMoveEvent(newState)
9077 if (newState == appData.ponderNextMove) return;
9078 if (gameMode == EditPosition) EditPositionDone();
9080 SendToProgram("hard\n", &first);
9081 if (gameMode == TwoMachinesPlay) {
9082 SendToProgram("hard\n", &second);
9085 SendToProgram("easy\n", &first);
9086 thinkOutput[0] = NULLCHAR;
9087 if (gameMode == TwoMachinesPlay) {
9088 SendToProgram("easy\n", &second);
9091 appData.ponderNextMove = newState;
9095 ShowThinkingEvent(newState)
9098 if (newState == appData.showThinking) return;
9099 if (gameMode == EditPosition) EditPositionDone();
9101 SendToProgram("post\n", &first);
9102 if (gameMode == TwoMachinesPlay) {
9103 SendToProgram("post\n", &second);
9106 SendToProgram("nopost\n", &first);
9107 thinkOutput[0] = NULLCHAR;
9108 if (gameMode == TwoMachinesPlay) {
9109 SendToProgram("nopost\n", &second);
9112 appData.showThinking = newState;
9116 AskQuestionEvent(title, question, replyPrefix, which)
9117 char *title; char *question; char *replyPrefix; char *which;
9119 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
9120 if (pr == NoProc) return;
9121 AskQuestion(title, question, replyPrefix, pr);
9125 DisplayMove(moveNumber)
9128 char message[MSG_SIZ];
9130 char cpThinkOutput[MSG_SIZ];
9132 if (moveNumber == forwardMostMove - 1 ||
9133 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
9135 strcpy(cpThinkOutput, thinkOutput);
9136 if (strchr(cpThinkOutput, '\n'))
9137 *strchr(cpThinkOutput, '\n') = NULLCHAR;
9139 *cpThinkOutput = NULLCHAR;
9142 if (moveNumber == forwardMostMove - 1 &&
9143 gameInfo.resultDetails != NULL) {
9144 if (gameInfo.resultDetails[0] == NULLCHAR) {
9145 sprintf(res, " %s", PGNResult(gameInfo.result));
9147 sprintf(res, " {%s} %s",
9148 gameInfo.resultDetails, PGNResult(gameInfo.result));
9154 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
9155 DisplayMessage(res, cpThinkOutput);
9157 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
9158 WhiteOnMove(moveNumber) ? " " : ".. ",
9159 parseList[moveNumber], res);
9160 DisplayMessage(message, cpThinkOutput);
9165 DisplayAnalysisText(text)
9170 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
9171 sprintf(buf, "Analysis (%s)", first.tidy);
9172 AnalysisPopUp(buf, text);
9180 while (*str && isspace(*str)) ++str;
9181 while (*str && !isspace(*str)) ++str;
9182 if (!*str) return 1;
9183 while (*str && isspace(*str)) ++str;
9184 if (!*str) return 1;
9193 static char *xtra[] = { "", " (--)", " (++)" };
9196 if (programStats.time == 0) {
9197 programStats.time = 1;
9200 if (programStats.got_only_move) {
9201 strcpy(buf, programStats.movelist);
9203 nps = (((double)programStats.nodes) /
9204 (((double)programStats.time)/100.0));
9206 cs = programStats.time % 100;
9207 s = programStats.time / 100;
9213 if (programStats.moves_left > 0 && appData.periodicUpdates) {
9214 if (programStats.move_name[0] != NULLCHAR) {
9215 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: %lu NPS: %d\nTime: %02d:%02d:%02d.%02d",
9217 programStats.nr_moves-programStats.moves_left,
9218 programStats.nr_moves, programStats.move_name,
9219 ((float)programStats.score)/100.0, programStats.movelist,
9220 only_one_move(programStats.movelist)?
9221 xtra[programStats.got_fail] : "",
9222 programStats.nodes, (int)nps, h, m, s, cs);
9224 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: %lu NPS: %d\nTime: %02d:%02d:%02d.%02d",
9226 programStats.nr_moves-programStats.moves_left,
9227 programStats.nr_moves, ((float)programStats.score)/100.0,
9228 programStats.movelist,
9229 only_one_move(programStats.movelist)?
9230 xtra[programStats.got_fail] : "",
9231 programStats.nodes, (int)nps, h, m, s, cs);
9234 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: %lu NPS: %d\nTime: %02d:%02d:%02d.%02d",
9236 ((float)programStats.score)/100.0,
9237 programStats.movelist,
9238 only_one_move(programStats.movelist)?
9239 xtra[programStats.got_fail] : "",
9240 programStats.nodes, (int)nps, h, m, s, cs);
9243 DisplayAnalysisText(buf);
9247 DisplayComment(moveNumber, text)
9251 char title[MSG_SIZ];
9253 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
9254 strcpy(title, "Comment");
9256 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
9257 WhiteOnMove(moveNumber) ? " " : ".. ",
9258 parseList[moveNumber]);
9261 CommentPopUp(title, text);
9264 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
9265 * might be busy thinking or pondering. It can be omitted if your
9266 * gnuchess is configured to stop thinking immediately on any user
9267 * input. However, that gnuchess feature depends on the FIONREAD
9268 * ioctl, which does not work properly on some flavors of Unix.
9272 ChessProgramState *cps;
9275 if (!cps->useSigint) return;
9276 if (appData.noChessProgram || (cps->pr == NoProc)) return;
9278 case MachinePlaysWhite:
9279 case MachinePlaysBlack:
9280 case TwoMachinesPlay:
9281 case IcsPlayingWhite:
9282 case IcsPlayingBlack:
9285 /* Skip if we know it isn't thinking */
9286 if (!cps->maybeThinking) return;
9287 if (appData.debugMode)
9288 fprintf(debugFP, "Interrupting %s\n", cps->which);
9289 InterruptChildProcess(cps->pr);
9290 cps->maybeThinking = FALSE;
9295 #endif /*ATTENTION*/
9301 if (whiteTimeRemaining <= 0) {
9304 if (appData.icsActive) {
9305 if (appData.autoCallFlag &&
9306 gameMode == IcsPlayingBlack && !blackFlag) {
9307 SendToICS(ics_prefix);
9308 SendToICS("flag\n");
9312 DisplayTitle("Both flags fell");
9314 DisplayTitle("White's flag fell");
9315 if (appData.autoCallFlag) {
9316 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
9323 if (blackTimeRemaining <= 0) {
9326 if (appData.icsActive) {
9327 if (appData.autoCallFlag &&
9328 gameMode == IcsPlayingWhite && !whiteFlag) {
9329 SendToICS(ics_prefix);
9330 SendToICS("flag\n");
9334 DisplayTitle("Both flags fell");
9336 DisplayTitle("Black's flag fell");
9337 if (appData.autoCallFlag) {
9338 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
9351 if (!appData.clockMode || appData.icsActive ||
9352 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
9354 if (timeIncrement >= 0) {
9355 if (WhiteOnMove(forwardMostMove)) {
9356 blackTimeRemaining += timeIncrement;
9358 whiteTimeRemaining += timeIncrement;
9362 * add time to clocks when time control is achieved
9364 if (movesPerSession) {
9365 switch ((forwardMostMove + 1) % (movesPerSession * 2)) {
9367 /* White made time control */
9368 whiteTimeRemaining += timeControl;
9371 /* Black made time control */
9372 blackTimeRemaining += timeControl;
9383 int wom = gameMode == EditPosition ?
9384 !blackPlaysFirst : WhiteOnMove(currentMove);
9385 DisplayWhiteClock(whiteTimeRemaining, wom);
9386 DisplayBlackClock(blackTimeRemaining, !wom);
9390 /* Timekeeping seems to be a portability nightmare. I think everyone
9391 has ftime(), but I'm really not sure, so I'm including some ifdefs
9392 to use other calls if you don't. Clocks will be less accurate if
9393 you have neither ftime nor gettimeofday.
9396 /* Get the current time as a TimeMark */
9401 #if HAVE_GETTIMEOFDAY
9403 struct timeval timeVal;
9404 struct timezone timeZone;
9406 gettimeofday(&timeVal, &timeZone);
9407 tm->sec = (long) timeVal.tv_sec;
9408 tm->ms = (int) (timeVal.tv_usec / 1000L);
9410 #else /*!HAVE_GETTIMEOFDAY*/
9413 #include <sys/timeb.h>
9417 tm->sec = (long) timeB.time;
9418 tm->ms = (int) timeB.millitm;
9420 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
9421 tm->sec = (long) time(NULL);
9427 /* Return the difference in milliseconds between two
9428 time marks. We assume the difference will fit in a long!
9431 SubtractTimeMarks(tm2, tm1)
9432 TimeMark *tm2, *tm1;
9434 return 1000L*(tm2->sec - tm1->sec) +
9435 (long) (tm2->ms - tm1->ms);
9440 * Code to manage the game clocks.
9442 * In tournament play, black starts the clock and then white makes a move.
9443 * We give the human user a slight advantage if he is playing white---the
9444 * clocks don't run until he makes his first move, so it takes zero time.
9445 * Also, we don't account for network lag, so we could get out of sync
9446 * with GNU Chess's clock -- but then, referees are always right.
9449 static TimeMark tickStartTM;
9450 static long intendedTickLength;
9453 NextTickLength(timeRemaining)
9456 long nominalTickLength, nextTickLength;
9458 if (timeRemaining > 0L && timeRemaining <= 10000L)
9459 nominalTickLength = 100L;
9461 nominalTickLength = 1000L;
9462 nextTickLength = timeRemaining % nominalTickLength;
9463 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
9465 return nextTickLength;
9468 /* Stop clocks and reset to a fresh time control */
9472 (void) StopClockTimer();
9473 if (appData.icsActive) {
9474 whiteTimeRemaining = blackTimeRemaining = 0;
9476 whiteTimeRemaining = blackTimeRemaining = timeControl;
9478 if (whiteFlag || blackFlag) {
9480 whiteFlag = blackFlag = FALSE;
9482 DisplayBothClocks();
9485 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
9487 /* Decrement running clock by amount of time that has passed */
9492 long lastTickLength, fudge;
9495 if (!appData.clockMode) return;
9496 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
9500 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9502 /* Fudge if we woke up a little too soon */
9503 fudge = intendedTickLength - lastTickLength;
9504 if (fudge < 0 || fudge > FUDGE) fudge = 0;
9506 if (WhiteOnMove(forwardMostMove)) {
9507 timeRemaining = whiteTimeRemaining -= lastTickLength;
9508 DisplayWhiteClock(whiteTimeRemaining - fudge,
9509 WhiteOnMove(currentMove));
9511 timeRemaining = blackTimeRemaining -= lastTickLength;
9512 DisplayBlackClock(blackTimeRemaining - fudge,
9513 !WhiteOnMove(currentMove));
9516 if (CheckFlags()) return;
9519 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
9520 StartClockTimer(intendedTickLength);
9522 /* if the time remaining has fallen below the alarm threshold, sound the
9523 * alarm. if the alarm has sounded and (due to a takeback or time control
9524 * with increment) the time remaining has increased to a level above the
9525 * threshold, reset the alarm so it can sound again.
9528 if (appData.icsActive && appData.icsAlarm) {
9530 /* make sure we are dealing with the user's clock */
9531 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
9532 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
9535 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
9536 alarmSounded = FALSE;
9537 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
9539 alarmSounded = TRUE;
9545 /* A player has just moved, so stop the previously running
9546 clock and (if in clock mode) start the other one.
9547 We redisplay both clocks in case we're in ICS mode, because
9548 ICS gives us an update to both clocks after every move.
9549 Note that this routine is called *after* forwardMostMove
9550 is updated, so the last fractional tick must be subtracted
9551 from the color that is *not* on move now.
9556 long lastTickLength;
9558 int flagged = FALSE;
9562 if (StopClockTimer() && appData.clockMode) {
9563 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9564 if (WhiteOnMove(forwardMostMove)) {
9565 blackTimeRemaining -= lastTickLength;
9567 whiteTimeRemaining -= lastTickLength;
9569 flagged = CheckFlags();
9573 if (flagged || !appData.clockMode) return;
9576 case MachinePlaysBlack:
9577 case MachinePlaysWhite:
9578 case BeginningOfGame:
9579 if (pausing) return;
9583 case PlayFromGameFile:
9592 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
9593 whiteTimeRemaining : blackTimeRemaining);
9594 StartClockTimer(intendedTickLength);
9598 /* Stop both clocks */
9602 long lastTickLength;
9605 if (!StopClockTimer()) return;
9606 if (!appData.clockMode) return;
9610 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
9611 if (WhiteOnMove(forwardMostMove)) {
9612 whiteTimeRemaining -= lastTickLength;
9613 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
9615 blackTimeRemaining -= lastTickLength;
9616 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
9621 /* Start clock of player on move. Time may have been reset, so
9622 if clock is already running, stop and restart it. */
9626 (void) StopClockTimer(); /* in case it was running already */
9627 DisplayBothClocks();
9628 if (CheckFlags()) return;
9630 if (!appData.clockMode) return;
9631 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
9633 GetTimeMark(&tickStartTM);
9634 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
9635 whiteTimeRemaining : blackTimeRemaining);
9636 StartClockTimer(intendedTickLength);
9643 long second, minute, hour, day;
9645 static char buf[32];
9647 if (ms > 0 && ms <= 9900) {
9648 /* convert milliseconds to tenths, rounding up */
9649 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
9651 sprintf(buf, " %03.1f ", tenths/10.0);
9655 /* convert milliseconds to seconds, rounding up */
9656 /* use floating point to avoid strangeness of integer division
9657 with negative dividends on many machines */
9658 second = (long) floor(((double) (ms + 999L)) / 1000.0);
9665 day = second / (60 * 60 * 24);
9666 second = second % (60 * 60 * 24);
9667 hour = second / (60 * 60);
9668 second = second % (60 * 60);
9669 minute = second / 60;
9670 second = second % 60;
9673 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
9674 sign, day, hour, minute, second);
9676 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
9678 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
9685 * This is necessary because some C libraries aren't ANSI C compliant yet.
9688 StrStr(string, match)
9689 char *string, *match;
9693 length = strlen(match);
9695 for (i = strlen(string) - length; i >= 0; i--, string++)
9696 if (!strncmp(match, string, length))
9703 StrCaseStr(string, match)
9704 char *string, *match;
9708 length = strlen(match);
9710 for (i = strlen(string) - length; i >= 0; i--, string++) {
9711 for (j = 0; j < length; j++) {
9712 if (ToLower(match[j]) != ToLower(string[j]))
9715 if (j == length) return string;
9729 c1 = ToLower(*s1++);
9730 c2 = ToLower(*s2++);
9731 if (c1 > c2) return 1;
9732 if (c1 < c2) return -1;
9733 if (c1 == NULLCHAR) return 0;
9742 return isupper(c) ? tolower(c) : c;
9750 return islower(c) ? toupper(c) : c;
9752 #endif /* !_amigados */
9760 if ((ret = (char *) malloc(strlen(s) + 1))) {
9767 StrSavePtr(s, savePtr)
9773 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
9774 strcpy(*savePtr, s);
9786 clock = time((time_t *)NULL);
9787 tm = localtime(&clock);
9788 sprintf(buf, "%04d.%02d.%02d",
9789 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
9790 return StrSave(buf);
9798 int i, j, fromX, fromY, toX, toY;
9804 whiteToPlay = (gameMode == EditPosition) ?
9805 !blackPlaysFirst : (move % 2 == 0);
9808 /* Piece placement data */
9809 for (i = BOARD_SIZE - 1; i >= 0; i--) {
9811 for (j = 0; j < BOARD_SIZE; j++) {
9812 if (boards[move][i][j] == EmptySquare) {
9815 if (emptycount > 0) {
9816 *p++ = '0' + emptycount;
9819 *p++ = PieceToChar(boards[move][i][j]);
9822 if (emptycount > 0) {
9823 *p++ = '0' + emptycount;
9831 *p++ = whiteToPlay ? 'w' : 'b';
9834 /* !!We don't keep track of castling availability, so fake it */
9836 if (boards[move][0][4] == WhiteKing) {
9837 if (boards[move][0][7] == WhiteRook) *p++ = 'K';
9838 if (boards[move][0][0] == WhiteRook) *p++ = 'Q';
9840 if (boards[move][7][4] == BlackKing) {
9841 if (boards[move][7][7] == BlackRook) *p++ = 'k';
9842 if (boards[move][7][0] == BlackRook) *p++ = 'q';
9844 if (q == p) *p++ = '-';
9847 /* En passant target square */
9848 if (move > backwardMostMove) {
9849 fromX = moveList[move - 1][0] - 'a';
9850 fromY = moveList[move - 1][1] - '1';
9851 toX = moveList[move - 1][2] - 'a';
9852 toY = moveList[move - 1][3] - '1';
9853 if (fromY == (whiteToPlay ? 6 : 1) &&
9854 toY == (whiteToPlay ? 4 : 3) &&
9855 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
9857 /* 2-square pawn move just happened */
9859 *p++ = whiteToPlay ? '6' : '3';
9867 /* !!We don't keep track of halfmove clock for 50-move rule */
9871 /* Fullmove number */
9872 sprintf(p, "%d", (move / 2) + 1);
9874 return StrSave(buf);
9878 ParseFEN(board, blackPlaysFirst, fen)
9880 int *blackPlaysFirst;
9889 /* Piece placement data */
9890 for (i = BOARD_SIZE - 1; i >= 0; i--) {
9893 if (*p == '/' || *p == ' ') {
9895 emptycount = BOARD_SIZE - j;
9896 while (emptycount--) board[i][j++] = EmptySquare;
9898 } else if (isdigit(*p)) {
9899 emptycount = *p++ - '0';
9900 if (j + emptycount > BOARD_SIZE) return FALSE;
9901 while (emptycount--) board[i][j++] = EmptySquare;
9902 } else if (isalpha(*p)) {
9903 if (j >= BOARD_SIZE) return FALSE;
9904 board[i][j++] = CharToPiece(*p++);
9910 while (*p == '/' || *p == ' ') p++;
9915 *blackPlaysFirst = FALSE;
9918 *blackPlaysFirst = TRUE;
9923 /* !!We ignore the rest of the FEN notation */
9928 EditPositionPasteFEN(char *fen)
9931 Board initial_position;
9933 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
9934 DisplayError("Bad FEN position in clipboard", 0);
9937 int savedBlackPlaysFirst = blackPlaysFirst;
9938 EditPositionEvent();
9939 blackPlaysFirst = savedBlackPlaysFirst;
9940 CopyBoard(boards[0], initial_position);
9942 DisplayBothClocks();
9943 DrawPosition(FALSE, boards[currentMove]);