2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
163 Board board, char *castle, char *ep));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
171 void EditPositionDone P((void));
172 void PrintOpponents P((FILE *fp));
173 void PrintPosition P((FILE *fp, int move));
174 void StartChessProgram P((ChessProgramState *cps));
175 void SendToProgram P((char *message, ChessProgramState *cps));
176 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
177 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
178 char *buf, int count, int error));
179 void SendTimeControl P((ChessProgramState *cps,
180 int mps, long tc, int inc, int sd, int st));
181 char *TimeControlTagValue P((void));
182 void Attention P((ChessProgramState *cps));
183 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
184 void ResurrectChessProgram P((void));
185 void DisplayComment P((int moveNumber, char *text));
186 void DisplayMove P((int moveNumber));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 void ics_update_width P((int new_width));
234 extern char installDir[MSG_SIZ];
236 extern int tinyLayout, smallLayout;
237 ChessProgramStats programStats;
238 static int exiting = 0; /* [HGM] moved to top */
239 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
240 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
241 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
242 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
243 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
244 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
245 int opponentKibitzes;
246 int lastSavedGame; /* [HGM] save: ID of game */
247 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
248 extern int chatCount;
251 /* States for ics_getting_history */
253 #define H_REQUESTED 1
254 #define H_GOT_REQ_HEADER 2
255 #define H_GOT_UNREQ_HEADER 3
256 #define H_GETTING_MOVES 4
257 #define H_GOT_UNWANTED_HEADER 5
259 /* whosays values for GameEnds */
268 /* Maximum number of games in a cmail message */
269 #define CMAIL_MAX_GAMES 20
271 /* Different types of move when calling RegisterMove */
273 #define CMAIL_RESIGN 1
275 #define CMAIL_ACCEPT 3
277 /* Different types of result to remember for each game */
278 #define CMAIL_NOT_RESULT 0
279 #define CMAIL_OLD_RESULT 1
280 #define CMAIL_NEW_RESULT 2
282 /* Telnet protocol constants */
293 static char * safeStrCpy( char * dst, const char * src, size_t count )
295 assert( dst != NULL );
296 assert( src != NULL );
299 strncpy( dst, src, count );
300 dst[ count-1 ] = '\0';
304 /* Some compiler can't cast u64 to double
305 * This function do the job for us:
307 * We use the highest bit for cast, this only
308 * works if the highest bit is not
309 * in use (This should not happen)
311 * We used this for all compiler
314 u64ToDouble(u64 value)
317 u64 tmp = value & u64Const(0x7fffffffffffffff);
318 r = (double)(s64)tmp;
319 if (value & u64Const(0x8000000000000000))
320 r += 9.2233720368547758080e18; /* 2^63 */
324 /* Fake up flags for now, as we aren't keeping track of castling
325 availability yet. [HGM] Change of logic: the flag now only
326 indicates the type of castlings allowed by the rule of the game.
327 The actual rights themselves are maintained in the array
328 castlingRights, as part of the game history, and are not probed
334 int flags = F_ALL_CASTLE_OK;
335 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
336 switch (gameInfo.variant) {
338 flags &= ~F_ALL_CASTLE_OK;
339 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
340 flags |= F_IGNORE_CHECK;
342 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
345 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
347 case VariantKriegspiel:
348 flags |= F_KRIEGSPIEL_CAPTURE;
350 case VariantCapaRandom:
351 case VariantFischeRandom:
352 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
353 case VariantNoCastle:
354 case VariantShatranj:
356 flags &= ~F_ALL_CASTLE_OK;
364 FILE *gameFileFP, *debugFP;
367 [AS] Note: sometimes, the sscanf() function is used to parse the input
368 into a fixed-size buffer. Because of this, we must be prepared to
369 receive strings as long as the size of the input buffer, which is currently
370 set to 4K for Windows and 8K for the rest.
371 So, we must either allocate sufficiently large buffers here, or
372 reduce the size of the input buffer in the input reading part.
375 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
376 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
377 char thinkOutput1[MSG_SIZ*10];
379 ChessProgramState first, second;
381 /* premove variables */
384 int premoveFromX = 0;
385 int premoveFromY = 0;
386 int premovePromoChar = 0;
388 Boolean alarmSounded;
389 /* end premove variables */
391 char *ics_prefix = "$";
392 int ics_type = ICS_GENERIC;
394 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
395 int pauseExamForwardMostMove = 0;
396 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
397 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
398 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
399 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
400 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
401 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
402 int whiteFlag = FALSE, blackFlag = FALSE;
403 int userOfferedDraw = FALSE;
404 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
405 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
406 int cmailMoveType[CMAIL_MAX_GAMES];
407 long ics_clock_paused = 0;
408 ProcRef icsPR = NoProc, cmailPR = NoProc;
409 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
410 GameMode gameMode = BeginningOfGame;
411 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
412 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
413 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
414 int hiddenThinkOutputState = 0; /* [AS] */
415 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
416 int adjudicateLossPlies = 6;
417 char white_holding[64], black_holding[64];
418 TimeMark lastNodeCountTime;
419 long lastNodeCount=0;
420 int have_sent_ICS_logon = 0;
422 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
423 long timeControl_2; /* [AS] Allow separate time controls */
424 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
425 long timeRemaining[2][MAX_MOVES];
427 TimeMark programStartTime;
428 char ics_handle[MSG_SIZ];
429 int have_set_title = 0;
431 /* animateTraining preserves the state of appData.animate
432 * when Training mode is activated. This allows the
433 * response to be animated when appData.animate == TRUE and
434 * appData.animateDragging == TRUE.
436 Boolean animateTraining;
442 Board boards[MAX_MOVES];
443 /* [HGM] Following 7 needed for accurate legality tests: */
444 signed char epStatus[MAX_MOVES];
445 signed char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
446 signed char castlingRank[BOARD_SIZE]; // and corresponding ranks
447 signed char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
448 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
449 int initialRulePlies, FENrulePlies;
451 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
454 int mute; // mute all sounds
456 ChessSquare FIDEArray[2][BOARD_SIZE] = {
457 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
458 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
459 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
460 BlackKing, BlackBishop, BlackKnight, BlackRook }
463 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
464 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
465 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
466 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
467 BlackKing, BlackKing, BlackKnight, BlackRook }
470 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
471 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
472 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
473 { BlackRook, BlackMan, BlackBishop, BlackQueen,
474 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
477 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
478 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
479 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
480 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
481 BlackKing, BlackBishop, BlackKnight, BlackRook }
484 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
485 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
486 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
487 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
488 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
493 ChessSquare ShogiArray[2][BOARD_SIZE] = {
494 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
495 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
496 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
497 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
500 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
501 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
502 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
503 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
504 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
507 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
508 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
514 ChessSquare GreatArray[2][BOARD_SIZE] = {
515 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
516 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
517 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
518 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
521 ChessSquare JanusArray[2][BOARD_SIZE] = {
522 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
523 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
524 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
525 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
529 ChessSquare GothicArray[2][BOARD_SIZE] = {
530 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
531 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
533 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
536 #define GothicArray CapablancaArray
540 ChessSquare FalconArray[2][BOARD_SIZE] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
542 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
544 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
547 #define FalconArray CapablancaArray
550 #else // !(BOARD_SIZE>=10)
551 #define XiangqiPosition FIDEArray
552 #define CapablancaArray FIDEArray
553 #define GothicArray FIDEArray
554 #define GreatArray FIDEArray
555 #endif // !(BOARD_SIZE>=10)
558 ChessSquare CourierArray[2][BOARD_SIZE] = {
559 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
560 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
561 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
562 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
564 #else // !(BOARD_SIZE>=12)
565 #define CourierArray CapablancaArray
566 #endif // !(BOARD_SIZE>=12)
569 Board initialPosition;
572 /* Convert str to a rating. Checks for special cases of "----",
574 "++++", etc. Also strips ()'s */
576 string_to_rating(str)
579 while(*str && !isdigit(*str)) ++str;
581 return 0; /* One of the special "no rating" cases */
589 /* Init programStats */
590 programStats.movelist[0] = 0;
591 programStats.depth = 0;
592 programStats.nr_moves = 0;
593 programStats.moves_left = 0;
594 programStats.nodes = 0;
595 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
596 programStats.score = 0;
597 programStats.got_only_move = 0;
598 programStats.got_fail = 0;
599 programStats.line_is_book = 0;
605 int matched, min, sec;
607 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
609 GetTimeMark(&programStartTime);
610 srand(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level
613 programStats.ok_to_send = 1;
614 programStats.seen_stat = 0;
617 * Initialize game list
623 * Internet chess server status
625 if (appData.icsActive) {
626 appData.matchMode = FALSE;
627 appData.matchGames = 0;
629 appData.noChessProgram = !appData.zippyPlay;
631 appData.zippyPlay = FALSE;
632 appData.zippyTalk = FALSE;
633 appData.noChessProgram = TRUE;
635 if (*appData.icsHelper != NULLCHAR) {
636 appData.useTelnet = TRUE;
637 appData.telnetProgram = appData.icsHelper;
640 appData.zippyTalk = appData.zippyPlay = FALSE;
643 /* [AS] Initialize pv info list [HGM] and game state */
647 for( i=0; i<MAX_MOVES; i++ ) {
648 pvInfoList[i].depth = -1;
650 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
655 * Parse timeControl resource
657 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
658 appData.movesPerSession)) {
660 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
661 DisplayFatalError(buf, 0, 2);
665 * Parse searchTime resource
667 if (*appData.searchTime != NULLCHAR) {
668 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
670 searchTime = min * 60;
671 } else if (matched == 2) {
672 searchTime = min * 60 + sec;
675 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
676 DisplayFatalError(buf, 0, 2);
680 /* [AS] Adjudication threshold */
681 adjudicateLossThreshold = appData.adjudicateLossThreshold;
683 first.which = "first";
684 second.which = "second";
685 first.maybeThinking = second.maybeThinking = FALSE;
686 first.pr = second.pr = NoProc;
687 first.isr = second.isr = NULL;
688 first.sendTime = second.sendTime = 2;
689 first.sendDrawOffers = 1;
690 if (appData.firstPlaysBlack) {
691 first.twoMachinesColor = "black\n";
692 second.twoMachinesColor = "white\n";
694 first.twoMachinesColor = "white\n";
695 second.twoMachinesColor = "black\n";
697 first.program = appData.firstChessProgram;
698 second.program = appData.secondChessProgram;
699 first.host = appData.firstHost;
700 second.host = appData.secondHost;
701 first.dir = appData.firstDirectory;
702 second.dir = appData.secondDirectory;
703 first.other = &second;
704 second.other = &first;
705 first.initString = appData.initString;
706 second.initString = appData.secondInitString;
707 first.computerString = appData.firstComputerString;
708 second.computerString = appData.secondComputerString;
709 first.useSigint = second.useSigint = TRUE;
710 first.useSigterm = second.useSigterm = TRUE;
711 first.reuse = appData.reuseFirst;
712 second.reuse = appData.reuseSecond;
713 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
714 second.nps = appData.secondNPS;
715 first.useSetboard = second.useSetboard = FALSE;
716 first.useSAN = second.useSAN = FALSE;
717 first.usePing = second.usePing = FALSE;
718 first.lastPing = second.lastPing = 0;
719 first.lastPong = second.lastPong = 0;
720 first.usePlayother = second.usePlayother = FALSE;
721 first.useColors = second.useColors = TRUE;
722 first.useUsermove = second.useUsermove = FALSE;
723 first.sendICS = second.sendICS = FALSE;
724 first.sendName = second.sendName = appData.icsActive;
725 first.sdKludge = second.sdKludge = FALSE;
726 first.stKludge = second.stKludge = FALSE;
727 TidyProgramName(first.program, first.host, first.tidy);
728 TidyProgramName(second.program, second.host, second.tidy);
729 first.matchWins = second.matchWins = 0;
730 strcpy(first.variants, appData.variant);
731 strcpy(second.variants, appData.variant);
732 first.analysisSupport = second.analysisSupport = 2; /* detect */
733 first.analyzing = second.analyzing = FALSE;
734 first.initDone = second.initDone = FALSE;
736 /* New features added by Tord: */
737 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
738 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
739 /* End of new features added by Tord. */
740 first.fenOverride = appData.fenOverride1;
741 second.fenOverride = appData.fenOverride2;
743 /* [HGM] time odds: set factor for each machine */
744 first.timeOdds = appData.firstTimeOdds;
745 second.timeOdds = appData.secondTimeOdds;
747 if(appData.timeOddsMode) {
748 norm = first.timeOdds;
749 if(norm > second.timeOdds) norm = second.timeOdds;
751 first.timeOdds /= norm;
752 second.timeOdds /= norm;
755 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
756 first.accumulateTC = appData.firstAccumulateTC;
757 second.accumulateTC = appData.secondAccumulateTC;
758 first.maxNrOfSessions = second.maxNrOfSessions = 1;
761 first.debug = second.debug = FALSE;
762 first.supportsNPS = second.supportsNPS = UNKNOWN;
765 first.optionSettings = appData.firstOptions;
766 second.optionSettings = appData.secondOptions;
768 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
769 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
770 first.isUCI = appData.firstIsUCI; /* [AS] */
771 second.isUCI = appData.secondIsUCI; /* [AS] */
772 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
773 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
775 if (appData.firstProtocolVersion > PROTOVER ||
776 appData.firstProtocolVersion < 1) {
778 sprintf(buf, _("protocol version %d not supported"),
779 appData.firstProtocolVersion);
780 DisplayFatalError(buf, 0, 2);
782 first.protocolVersion = appData.firstProtocolVersion;
785 if (appData.secondProtocolVersion > PROTOVER ||
786 appData.secondProtocolVersion < 1) {
788 sprintf(buf, _("protocol version %d not supported"),
789 appData.secondProtocolVersion);
790 DisplayFatalError(buf, 0, 2);
792 second.protocolVersion = appData.secondProtocolVersion;
795 if (appData.icsActive) {
796 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
797 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
798 appData.clockMode = FALSE;
799 first.sendTime = second.sendTime = 0;
803 /* Override some settings from environment variables, for backward
804 compatibility. Unfortunately it's not feasible to have the env
805 vars just set defaults, at least in xboard. Ugh.
807 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
812 if (appData.noChessProgram) {
813 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
814 sprintf(programVersion, "%s", PACKAGE_STRING);
816 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
817 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
818 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
821 if (!appData.icsActive) {
823 /* Check for variants that are supported only in ICS mode,
824 or not at all. Some that are accepted here nevertheless
825 have bugs; see comments below.
827 VariantClass variant = StringToVariant(appData.variant);
829 case VariantBughouse: /* need four players and two boards */
830 case VariantKriegspiel: /* need to hide pieces and move details */
831 /* case VariantFischeRandom: (Fabien: moved below) */
832 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
833 DisplayFatalError(buf, 0, 2);
837 case VariantLoadable:
847 sprintf(buf, _("Unknown variant name %s"), appData.variant);
848 DisplayFatalError(buf, 0, 2);
851 case VariantXiangqi: /* [HGM] repetition rules not implemented */
852 case VariantFairy: /* [HGM] TestLegality definitely off! */
853 case VariantGothic: /* [HGM] should work */
854 case VariantCapablanca: /* [HGM] should work */
855 case VariantCourier: /* [HGM] initial forced moves not implemented */
856 case VariantShogi: /* [HGM] drops not tested for legality */
857 case VariantKnightmate: /* [HGM] should work */
858 case VariantCylinder: /* [HGM] untested */
859 case VariantFalcon: /* [HGM] untested */
860 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
861 offboard interposition not understood */
862 case VariantNormal: /* definitely works! */
863 case VariantWildCastle: /* pieces not automatically shuffled */
864 case VariantNoCastle: /* pieces not automatically shuffled */
865 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
866 case VariantLosers: /* should work except for win condition,
867 and doesn't know captures are mandatory */
868 case VariantSuicide: /* should work except for win condition,
869 and doesn't know captures are mandatory */
870 case VariantGiveaway: /* should work except for win condition,
871 and doesn't know captures are mandatory */
872 case VariantTwoKings: /* should work */
873 case VariantAtomic: /* should work except for win condition */
874 case Variant3Check: /* should work except for win condition */
875 case VariantShatranj: /* should work except for all win conditions */
876 case VariantBerolina: /* might work if TestLegality is off */
877 case VariantCapaRandom: /* should work */
878 case VariantJanus: /* should work */
879 case VariantSuper: /* experimental */
880 case VariantGreat: /* experimental, requires legality testing to be off */
885 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
886 InitEngineUCI( installDir, &second );
889 int NextIntegerFromString( char ** str, long * value )
894 while( *s == ' ' || *s == '\t' ) {
900 if( *s >= '0' && *s <= '9' ) {
901 while( *s >= '0' && *s <= '9' ) {
902 *value = *value * 10 + (*s - '0');
914 int NextTimeControlFromString( char ** str, long * value )
917 int result = NextIntegerFromString( str, &temp );
920 *value = temp * 60; /* Minutes */
923 result = NextIntegerFromString( str, &temp );
924 *value += temp; /* Seconds */
931 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
932 { /* [HGM] routine added to read '+moves/time' for secondary time control */
933 int result = -1; long temp, temp2;
935 if(**str != '+') return -1; // old params remain in force!
937 if( NextTimeControlFromString( str, &temp ) ) return -1;
940 /* time only: incremental or sudden-death time control */
941 if(**str == '+') { /* increment follows; read it */
943 if(result = NextIntegerFromString( str, &temp2)) return -1;
946 *moves = 0; *tc = temp * 1000;
948 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
950 (*str)++; /* classical time control */
951 result = NextTimeControlFromString( str, &temp2);
960 int GetTimeQuota(int movenr)
961 { /* [HGM] get time to add from the multi-session time-control string */
962 int moves=1; /* kludge to force reading of first session */
963 long time, increment;
964 char *s = fullTimeControlString;
966 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
968 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
969 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
970 if(movenr == -1) return time; /* last move before new session */
971 if(!moves) return increment; /* current session is incremental */
972 if(movenr >= 0) movenr -= moves; /* we already finished this session */
973 } while(movenr >= -1); /* try again for next session */
975 return 0; // no new time quota on this move
979 ParseTimeControl(tc, ti, mps)
988 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
991 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
992 else sprintf(buf, "+%s+%d", tc, ti);
995 sprintf(buf, "+%d/%s", mps, tc);
996 else sprintf(buf, "+%s", tc);
998 fullTimeControlString = StrSave(buf);
1000 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1005 /* Parse second time control */
1008 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1016 timeControl_2 = tc2 * 1000;
1026 timeControl = tc1 * 1000;
1029 timeIncrement = ti * 1000; /* convert to ms */
1030 movesPerSession = 0;
1033 movesPerSession = mps;
1041 if (appData.debugMode) {
1042 fprintf(debugFP, "%s\n", programVersion);
1045 if (appData.matchGames > 0) {
1046 appData.matchMode = TRUE;
1047 } else if (appData.matchMode) {
1048 appData.matchGames = 1;
1050 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1051 appData.matchGames = appData.sameColorGames;
1052 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1053 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1054 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1057 if (appData.noChessProgram || first.protocolVersion == 1) {
1060 /* kludge: allow timeout for initial "feature" commands */
1062 DisplayMessage("", _("Starting chess program"));
1063 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1068 InitBackEnd3 P((void))
1070 GameMode initialMode;
1074 InitChessProgram(&first, startedFromSetupPosition);
1077 if (appData.icsActive) {
1079 /* [DM] Make a console window if needed [HGM] merged ifs */
1084 if (*appData.icsCommPort != NULLCHAR) {
1085 sprintf(buf, _("Could not open comm port %s"),
1086 appData.icsCommPort);
1088 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1089 appData.icsHost, appData.icsPort);
1091 DisplayFatalError(buf, err, 1);
1096 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1098 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1099 } else if (appData.noChessProgram) {
1105 if (*appData.cmailGameName != NULLCHAR) {
1107 OpenLoopback(&cmailPR);
1109 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1113 DisplayMessage("", "");
1114 if (StrCaseCmp(appData.initialMode, "") == 0) {
1115 initialMode = BeginningOfGame;
1116 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1117 initialMode = TwoMachinesPlay;
1118 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1119 initialMode = AnalyzeFile;
1120 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1121 initialMode = AnalyzeMode;
1122 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1123 initialMode = MachinePlaysWhite;
1124 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1125 initialMode = MachinePlaysBlack;
1126 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1127 initialMode = EditGame;
1128 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1129 initialMode = EditPosition;
1130 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1131 initialMode = Training;
1133 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1134 DisplayFatalError(buf, 0, 2);
1138 if (appData.matchMode) {
1139 /* Set up machine vs. machine match */
1140 if (appData.noChessProgram) {
1141 DisplayFatalError(_("Can't have a match with no chess programs"),
1147 if (*appData.loadGameFile != NULLCHAR) {
1148 int index = appData.loadGameIndex; // [HGM] autoinc
1149 if(index<0) lastIndex = index = 1;
1150 if (!LoadGameFromFile(appData.loadGameFile,
1152 appData.loadGameFile, FALSE)) {
1153 DisplayFatalError(_("Bad game file"), 0, 1);
1156 } else if (*appData.loadPositionFile != NULLCHAR) {
1157 int index = appData.loadPositionIndex; // [HGM] autoinc
1158 if(index<0) lastIndex = index = 1;
1159 if (!LoadPositionFromFile(appData.loadPositionFile,
1161 appData.loadPositionFile)) {
1162 DisplayFatalError(_("Bad position file"), 0, 1);
1167 } else if (*appData.cmailGameName != NULLCHAR) {
1168 /* Set up cmail mode */
1169 ReloadCmailMsgEvent(TRUE);
1171 /* Set up other modes */
1172 if (initialMode == AnalyzeFile) {
1173 if (*appData.loadGameFile == NULLCHAR) {
1174 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1178 if (*appData.loadGameFile != NULLCHAR) {
1179 (void) LoadGameFromFile(appData.loadGameFile,
1180 appData.loadGameIndex,
1181 appData.loadGameFile, TRUE);
1182 } else if (*appData.loadPositionFile != NULLCHAR) {
1183 (void) LoadPositionFromFile(appData.loadPositionFile,
1184 appData.loadPositionIndex,
1185 appData.loadPositionFile);
1186 /* [HGM] try to make self-starting even after FEN load */
1187 /* to allow automatic setup of fairy variants with wtm */
1188 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1189 gameMode = BeginningOfGame;
1190 setboardSpoiledMachineBlack = 1;
1192 /* [HGM] loadPos: make that every new game uses the setup */
1193 /* from file as long as we do not switch variant */
1194 if(!blackPlaysFirst) { int i;
1195 startedFromPositionFile = TRUE;
1196 CopyBoard(filePosition, boards[0]);
1197 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1200 if (initialMode == AnalyzeMode) {
1201 if (appData.noChessProgram) {
1202 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1205 if (appData.icsActive) {
1206 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1210 } else if (initialMode == AnalyzeFile) {
1211 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1212 ShowThinkingEvent();
1214 AnalysisPeriodicEvent(1);
1215 } else if (initialMode == MachinePlaysWhite) {
1216 if (appData.noChessProgram) {
1217 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1221 if (appData.icsActive) {
1222 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1226 MachineWhiteEvent();
1227 } else if (initialMode == MachinePlaysBlack) {
1228 if (appData.noChessProgram) {
1229 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1233 if (appData.icsActive) {
1234 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1238 MachineBlackEvent();
1239 } else if (initialMode == TwoMachinesPlay) {
1240 if (appData.noChessProgram) {
1241 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1245 if (appData.icsActive) {
1246 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1251 } else if (initialMode == EditGame) {
1253 } else if (initialMode == EditPosition) {
1254 EditPositionEvent();
1255 } else if (initialMode == Training) {
1256 if (*appData.loadGameFile == NULLCHAR) {
1257 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1266 * Establish will establish a contact to a remote host.port.
1267 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1268 * used to talk to the host.
1269 * Returns 0 if okay, error code if not.
1276 if (*appData.icsCommPort != NULLCHAR) {
1277 /* Talk to the host through a serial comm port */
1278 return OpenCommPort(appData.icsCommPort, &icsPR);
1280 } else if (*appData.gateway != NULLCHAR) {
1281 if (*appData.remoteShell == NULLCHAR) {
1282 /* Use the rcmd protocol to run telnet program on a gateway host */
1283 snprintf(buf, sizeof(buf), "%s %s %s",
1284 appData.telnetProgram, appData.icsHost, appData.icsPort);
1285 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1288 /* Use the rsh program to run telnet program on a gateway host */
1289 if (*appData.remoteUser == NULLCHAR) {
1290 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1291 appData.gateway, appData.telnetProgram,
1292 appData.icsHost, appData.icsPort);
1294 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1295 appData.remoteShell, appData.gateway,
1296 appData.remoteUser, appData.telnetProgram,
1297 appData.icsHost, appData.icsPort);
1299 return StartChildProcess(buf, "", &icsPR);
1302 } else if (appData.useTelnet) {
1303 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1306 /* TCP socket interface differs somewhat between
1307 Unix and NT; handle details in the front end.
1309 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1314 show_bytes(fp, buf, count)
1320 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1321 fprintf(fp, "\\%03o", *buf & 0xff);
1330 /* Returns an errno value */
1332 OutputMaybeTelnet(pr, message, count, outError)
1338 char buf[8192], *p, *q, *buflim;
1339 int left, newcount, outcount;
1341 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1342 *appData.gateway != NULLCHAR) {
1343 if (appData.debugMode) {
1344 fprintf(debugFP, ">ICS: ");
1345 show_bytes(debugFP, message, count);
1346 fprintf(debugFP, "\n");
1348 return OutputToProcess(pr, message, count, outError);
1351 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1358 if (appData.debugMode) {
1359 fprintf(debugFP, ">ICS: ");
1360 show_bytes(debugFP, buf, newcount);
1361 fprintf(debugFP, "\n");
1363 outcount = OutputToProcess(pr, buf, newcount, outError);
1364 if (outcount < newcount) return -1; /* to be sure */
1371 } else if (((unsigned char) *p) == TN_IAC) {
1372 *q++ = (char) TN_IAC;
1379 if (appData.debugMode) {
1380 fprintf(debugFP, ">ICS: ");
1381 show_bytes(debugFP, buf, newcount);
1382 fprintf(debugFP, "\n");
1384 outcount = OutputToProcess(pr, buf, newcount, outError);
1385 if (outcount < newcount) return -1; /* to be sure */
1390 read_from_player(isr, closure, message, count, error)
1397 int outError, outCount;
1398 static int gotEof = 0;
1400 /* Pass data read from player on to ICS */
1403 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1404 if (outCount < count) {
1405 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1407 } else if (count < 0) {
1408 RemoveInputSource(isr);
1409 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1410 } else if (gotEof++ > 0) {
1411 RemoveInputSource(isr);
1412 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1418 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1419 SendToICS("date\n");
1420 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1423 /* added routine for printf style output to ics */
1424 void ics_printf(char *format, ...)
1426 char buffer[MSG_SIZ];
1429 va_start(args, format);
1430 vsnprintf(buffer, sizeof(buffer), format, args);
1431 buffer[sizeof(buffer)-1] = '\0';
1440 int count, outCount, outError;
1442 if (icsPR == NULL) return;
1445 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1446 if (outCount < count) {
1447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1451 /* This is used for sending logon scripts to the ICS. Sending
1452 without a delay causes problems when using timestamp on ICC
1453 (at least on my machine). */
1455 SendToICSDelayed(s,msdelay)
1459 int count, outCount, outError;
1461 if (icsPR == NULL) return;
1464 if (appData.debugMode) {
1465 fprintf(debugFP, ">ICS: ");
1466 show_bytes(debugFP, s, count);
1467 fprintf(debugFP, "\n");
1469 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1471 if (outCount < count) {
1472 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1477 /* Remove all highlighting escape sequences in s
1478 Also deletes any suffix starting with '('
1481 StripHighlightAndTitle(s)
1484 static char retbuf[MSG_SIZ];
1487 while (*s != NULLCHAR) {
1488 while (*s == '\033') {
1489 while (*s != NULLCHAR && !isalpha(*s)) s++;
1490 if (*s != NULLCHAR) s++;
1492 while (*s != NULLCHAR && *s != '\033') {
1493 if (*s == '(' || *s == '[') {
1504 /* Remove all highlighting escape sequences in s */
1509 static char retbuf[MSG_SIZ];
1512 while (*s != NULLCHAR) {
1513 while (*s == '\033') {
1514 while (*s != NULLCHAR && !isalpha(*s)) s++;
1515 if (*s != NULLCHAR) s++;
1517 while (*s != NULLCHAR && *s != '\033') {
1525 char *variantNames[] = VARIANT_NAMES;
1530 return variantNames[v];
1534 /* Identify a variant from the strings the chess servers use or the
1535 PGN Variant tag names we use. */
1542 VariantClass v = VariantNormal;
1543 int i, found = FALSE;
1548 /* [HGM] skip over optional board-size prefixes */
1549 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1550 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1551 while( *e++ != '_');
1554 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1558 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1559 if (StrCaseStr(e, variantNames[i])) {
1560 v = (VariantClass) i;
1567 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1568 || StrCaseStr(e, "wild/fr")
1569 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1570 v = VariantFischeRandom;
1571 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1572 (i = 1, p = StrCaseStr(e, "w"))) {
1574 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1581 case 0: /* FICS only, actually */
1583 /* Castling legal even if K starts on d-file */
1584 v = VariantWildCastle;
1589 /* Castling illegal even if K & R happen to start in
1590 normal positions. */
1591 v = VariantNoCastle;
1604 /* Castling legal iff K & R start in normal positions */
1610 /* Special wilds for position setup; unclear what to do here */
1611 v = VariantLoadable;
1614 /* Bizarre ICC game */
1615 v = VariantTwoKings;
1618 v = VariantKriegspiel;
1624 v = VariantFischeRandom;
1627 v = VariantCrazyhouse;
1630 v = VariantBughouse;
1636 /* Not quite the same as FICS suicide! */
1637 v = VariantGiveaway;
1643 v = VariantShatranj;
1646 /* Temporary names for future ICC types. The name *will* change in
1647 the next xboard/WinBoard release after ICC defines it. */
1685 v = VariantCapablanca;
1688 v = VariantKnightmate;
1694 v = VariantCylinder;
1700 v = VariantCapaRandom;
1703 v = VariantBerolina;
1715 /* Found "wild" or "w" in the string but no number;
1716 must assume it's normal chess. */
1720 sprintf(buf, _("Unknown wild type %d"), wnum);
1721 DisplayError(buf, 0);
1727 if (appData.debugMode) {
1728 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1729 e, wnum, VariantName(v));
1734 static int leftover_start = 0, leftover_len = 0;
1735 char star_match[STAR_MATCH_N][MSG_SIZ];
1737 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1738 advance *index beyond it, and set leftover_start to the new value of
1739 *index; else return FALSE. If pattern contains the character '*', it
1740 matches any sequence of characters not containing '\r', '\n', or the
1741 character following the '*' (if any), and the matched sequence(s) are
1742 copied into star_match.
1745 looking_at(buf, index, pattern)
1750 char *bufp = &buf[*index], *patternp = pattern;
1752 char *matchp = star_match[0];
1755 if (*patternp == NULLCHAR) {
1756 *index = leftover_start = bufp - buf;
1760 if (*bufp == NULLCHAR) return FALSE;
1761 if (*patternp == '*') {
1762 if (*bufp == *(patternp + 1)) {
1764 matchp = star_match[++star_count];
1768 } else if (*bufp == '\n' || *bufp == '\r') {
1770 if (*patternp == NULLCHAR)
1775 *matchp++ = *bufp++;
1779 if (*patternp != *bufp) return FALSE;
1786 SendToPlayer(data, length)
1790 int error, outCount;
1791 outCount = OutputToProcess(NoProc, data, length, &error);
1792 if (outCount < length) {
1793 DisplayFatalError(_("Error writing to display"), error, 1);
1798 PackHolding(packed, holding)
1810 switch (runlength) {
1821 sprintf(q, "%d", runlength);
1833 /* Telnet protocol requests from the front end */
1835 TelnetRequest(ddww, option)
1836 unsigned char ddww, option;
1838 unsigned char msg[3];
1839 int outCount, outError;
1841 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1843 if (appData.debugMode) {
1844 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1860 sprintf(buf1, "%d", ddww);
1869 sprintf(buf2, "%d", option);
1872 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1877 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1879 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1886 if (!appData.icsActive) return;
1887 TelnetRequest(TN_DO, TN_ECHO);
1893 if (!appData.icsActive) return;
1894 TelnetRequest(TN_DONT, TN_ECHO);
1898 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1900 /* put the holdings sent to us by the server on the board holdings area */
1901 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1905 if(gameInfo.holdingsWidth < 2) return;
1907 if( (int)lowestPiece >= BlackPawn ) {
1910 holdingsStartRow = BOARD_HEIGHT-1;
1913 holdingsColumn = BOARD_WIDTH-1;
1914 countsColumn = BOARD_WIDTH-2;
1915 holdingsStartRow = 0;
1919 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1920 board[i][holdingsColumn] = EmptySquare;
1921 board[i][countsColumn] = (ChessSquare) 0;
1923 while( (p=*holdings++) != NULLCHAR ) {
1924 piece = CharToPiece( ToUpper(p) );
1925 if(piece == EmptySquare) continue;
1926 /*j = (int) piece - (int) WhitePawn;*/
1927 j = PieceToNumber(piece);
1928 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1929 if(j < 0) continue; /* should not happen */
1930 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1931 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1932 board[holdingsStartRow+j*direction][countsColumn]++;
1939 VariantSwitch(Board board, VariantClass newVariant)
1941 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1943 startedFromPositionFile = FALSE;
1944 if(gameInfo.variant == newVariant) return;
1946 /* [HGM] This routine is called each time an assignment is made to
1947 * gameInfo.variant during a game, to make sure the board sizes
1948 * are set to match the new variant. If that means adding or deleting
1949 * holdings, we shift the playing board accordingly
1950 * This kludge is needed because in ICS observe mode, we get boards
1951 * of an ongoing game without knowing the variant, and learn about the
1952 * latter only later. This can be because of the move list we requested,
1953 * in which case the game history is refilled from the beginning anyway,
1954 * but also when receiving holdings of a crazyhouse game. In the latter
1955 * case we want to add those holdings to the already received position.
1959 if (appData.debugMode) {
1960 fprintf(debugFP, "Switch board from %s to %s\n",
1961 VariantName(gameInfo.variant), VariantName(newVariant));
1962 setbuf(debugFP, NULL);
1964 shuffleOpenings = 0; /* [HGM] shuffle */
1965 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1969 newWidth = 9; newHeight = 9;
1970 gameInfo.holdingsSize = 7;
1971 case VariantBughouse:
1972 case VariantCrazyhouse:
1973 newHoldingsWidth = 2; break;
1977 newHoldingsWidth = 2;
1978 gameInfo.holdingsSize = 8;
1981 case VariantCapablanca:
1982 case VariantCapaRandom:
1985 newHoldingsWidth = gameInfo.holdingsSize = 0;
1988 if(newWidth != gameInfo.boardWidth ||
1989 newHeight != gameInfo.boardHeight ||
1990 newHoldingsWidth != gameInfo.holdingsWidth ) {
1992 /* shift position to new playing area, if needed */
1993 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1994 for(i=0; i<BOARD_HEIGHT; i++)
1995 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1996 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
1998 for(i=0; i<newHeight; i++) {
1999 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2000 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2002 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2003 for(i=0; i<BOARD_HEIGHT; i++)
2004 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2005 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2008 gameInfo.boardWidth = newWidth;
2009 gameInfo.boardHeight = newHeight;
2010 gameInfo.holdingsWidth = newHoldingsWidth;
2011 gameInfo.variant = newVariant;
2012 InitDrawingSizes(-2, 0);
2013 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2014 } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
2016 DrawPosition(TRUE, boards[currentMove]);
2019 static int loggedOn = FALSE;
2021 /*-- Game start info cache: --*/
2023 char gs_kind[MSG_SIZ];
2024 static char player1Name[128] = "";
2025 static char player2Name[128] = "";
2026 static int player1Rating = -1;
2027 static int player2Rating = -1;
2028 /*----------------------------*/
2030 ColorClass curColor = ColorNormal;
2031 int suppressKibitz = 0;
2034 read_from_ics(isr, closure, data, count, error)
2041 #define BUF_SIZE 8192
2042 #define STARTED_NONE 0
2043 #define STARTED_MOVES 1
2044 #define STARTED_BOARD 2
2045 #define STARTED_OBSERVE 3
2046 #define STARTED_HOLDINGS 4
2047 #define STARTED_CHATTER 5
2048 #define STARTED_COMMENT 6
2049 #define STARTED_MOVES_NOHIDE 7
2051 static int started = STARTED_NONE;
2052 static char parse[20000];
2053 static int parse_pos = 0;
2054 static char buf[BUF_SIZE + 1];
2055 static int firstTime = TRUE, intfSet = FALSE;
2056 static ColorClass prevColor = ColorNormal;
2057 static int savingComment = FALSE;
2063 int backup; /* [DM] For zippy color lines */
2065 char talker[MSG_SIZ]; // [HGM] chat
2068 if (appData.debugMode) {
2070 fprintf(debugFP, "<ICS: ");
2071 show_bytes(debugFP, data, count);
2072 fprintf(debugFP, "\n");
2076 if (appData.debugMode) { int f = forwardMostMove;
2077 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2078 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2081 /* If last read ended with a partial line that we couldn't parse,
2082 prepend it to the new read and try again. */
2083 if (leftover_len > 0) {
2084 for (i=0; i<leftover_len; i++)
2085 buf[i] = buf[leftover_start + i];
2088 /* Copy in new characters, removing nulls and \r's */
2089 buf_len = leftover_len;
2090 for (i = 0; i < count; i++) {
2091 if (data[i] != NULLCHAR && data[i] != '\r')
2092 buf[buf_len++] = data[i];
2093 if(!appData.noJoin && buf_len >= 5 && buf[buf_len-5]=='\n' && buf[buf_len-4]=='\\' &&
2094 buf[buf_len-3]==' ' && buf[buf_len-2]==' ' && buf[buf_len-1]==' ') {
2095 buf_len -= 5; // [HGM] ICS: join continuation line of Lasker 2.2.3 server with previous
2096 if(buf_len == 0 || buf[buf_len-1] != ' ')
2097 buf[buf_len++] = ' '; // add space (assumes ICS does not break lines within word)
2101 buf[buf_len] = NULLCHAR;
2102 next_out = leftover_len;
2106 while (i < buf_len) {
2107 /* Deal with part of the TELNET option negotiation
2108 protocol. We refuse to do anything beyond the
2109 defaults, except that we allow the WILL ECHO option,
2110 which ICS uses to turn off password echoing when we are
2111 directly connected to it. We reject this option
2112 if localLineEditing mode is on (always on in xboard)
2113 and we are talking to port 23, which might be a real
2114 telnet server that will try to keep WILL ECHO on permanently.
2116 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2117 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2118 unsigned char option;
2120 switch ((unsigned char) buf[++i]) {
2122 if (appData.debugMode)
2123 fprintf(debugFP, "\n<WILL ");
2124 switch (option = (unsigned char) buf[++i]) {
2126 if (appData.debugMode)
2127 fprintf(debugFP, "ECHO ");
2128 /* Reply only if this is a change, according
2129 to the protocol rules. */
2130 if (remoteEchoOption) break;
2131 if (appData.localLineEditing &&
2132 atoi(appData.icsPort) == TN_PORT) {
2133 TelnetRequest(TN_DONT, TN_ECHO);
2136 TelnetRequest(TN_DO, TN_ECHO);
2137 remoteEchoOption = TRUE;
2141 if (appData.debugMode)
2142 fprintf(debugFP, "%d ", option);
2143 /* Whatever this is, we don't want it. */
2144 TelnetRequest(TN_DONT, option);
2149 if (appData.debugMode)
2150 fprintf(debugFP, "\n<WONT ");
2151 switch (option = (unsigned char) buf[++i]) {
2153 if (appData.debugMode)
2154 fprintf(debugFP, "ECHO ");
2155 /* Reply only if this is a change, according
2156 to the protocol rules. */
2157 if (!remoteEchoOption) break;
2159 TelnetRequest(TN_DONT, TN_ECHO);
2160 remoteEchoOption = FALSE;
2163 if (appData.debugMode)
2164 fprintf(debugFP, "%d ", (unsigned char) option);
2165 /* Whatever this is, it must already be turned
2166 off, because we never agree to turn on
2167 anything non-default, so according to the
2168 protocol rules, we don't reply. */
2173 if (appData.debugMode)
2174 fprintf(debugFP, "\n<DO ");
2175 switch (option = (unsigned char) buf[++i]) {
2177 /* Whatever this is, we refuse to do it. */
2178 if (appData.debugMode)
2179 fprintf(debugFP, "%d ", option);
2180 TelnetRequest(TN_WONT, option);
2185 if (appData.debugMode)
2186 fprintf(debugFP, "\n<DONT ");
2187 switch (option = (unsigned char) buf[++i]) {
2189 if (appData.debugMode)
2190 fprintf(debugFP, "%d ", option);
2191 /* Whatever this is, we are already not doing
2192 it, because we never agree to do anything
2193 non-default, so according to the protocol
2194 rules, we don't reply. */
2199 if (appData.debugMode)
2200 fprintf(debugFP, "\n<IAC ");
2201 /* Doubled IAC; pass it through */
2205 if (appData.debugMode)
2206 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2207 /* Drop all other telnet commands on the floor */
2210 if (oldi > next_out)
2211 SendToPlayer(&buf[next_out], oldi - next_out);
2217 /* OK, this at least will *usually* work */
2218 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2222 if (loggedOn && !intfSet) {
2223 if (ics_type == ICS_ICC) {
2225 "/set-quietly interface %s\n/set-quietly style 12\n",
2227 if (!appData.noJoin)
2228 strcat(str, "/set-quietly wrap 0\n");
2229 } else if (ics_type == ICS_CHESSNET) {
2230 sprintf(str, "/style 12\n");
2232 strcpy(str, "alias $ @\n$set interface ");
2233 strcat(str, programVersion);
2234 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2236 strcat(str, "$iset nohighlight 1\n");
2238 if (!appData.noJoin)
2239 strcat(str, "$iset nowrap 1\n");
2240 strcat(str, "$iset lock 1\n$style 12\n");
2243 NotifyFrontendLogin();
2247 if (started == STARTED_COMMENT) {
2248 /* Accumulate characters in comment */
2249 parse[parse_pos++] = buf[i];
2250 if (buf[i] == '\n') {
2251 parse[parse_pos] = NULLCHAR;
2252 if(chattingPartner>=0) {
2254 sprintf(mess, "%s%s", talker, parse);
2255 OutputChatMessage(chattingPartner, mess);
2256 chattingPartner = -1;
2258 if(!suppressKibitz) // [HGM] kibitz
2259 AppendComment(forwardMostMove, StripHighlight(parse));
2260 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2261 int nrDigit = 0, nrAlph = 0, i;
2262 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2263 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2264 parse[parse_pos] = NULLCHAR;
2265 // try to be smart: if it does not look like search info, it should go to
2266 // ICS interaction window after all, not to engine-output window.
2267 for(i=0; i<parse_pos; i++) { // count letters and digits
2268 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2269 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2270 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2272 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2273 int depth=0; float score;
2274 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2275 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2276 pvInfoList[forwardMostMove-1].depth = depth;
2277 pvInfoList[forwardMostMove-1].score = 100*score;
2279 OutputKibitz(suppressKibitz, parse);
2282 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2283 SendToPlayer(tmp, strlen(tmp));
2286 started = STARTED_NONE;
2288 /* Don't match patterns against characters in chatter */
2293 if (started == STARTED_CHATTER) {
2294 if (buf[i] != '\n') {
2295 /* Don't match patterns against characters in chatter */
2299 started = STARTED_NONE;
2302 /* Kludge to deal with rcmd protocol */
2303 if (firstTime && looking_at(buf, &i, "\001*")) {
2304 DisplayFatalError(&buf[1], 0, 1);
2310 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2313 if (appData.debugMode)
2314 fprintf(debugFP, "ics_type %d\n", ics_type);
2317 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2318 ics_type = ICS_FICS;
2320 if (appData.debugMode)
2321 fprintf(debugFP, "ics_type %d\n", ics_type);
2324 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2325 ics_type = ICS_CHESSNET;
2327 if (appData.debugMode)
2328 fprintf(debugFP, "ics_type %d\n", ics_type);
2333 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2334 looking_at(buf, &i, "Logging you in as \"*\"") ||
2335 looking_at(buf, &i, "will be \"*\""))) {
2336 strcpy(ics_handle, star_match[0]);
2340 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2342 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2343 DisplayIcsInteractionTitle(buf);
2344 have_set_title = TRUE;
2347 /* skip finger notes */
2348 if (started == STARTED_NONE &&
2349 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2350 (buf[i] == '1' && buf[i+1] == '0')) &&
2351 buf[i+2] == ':' && buf[i+3] == ' ') {
2352 started = STARTED_CHATTER;
2357 /* skip formula vars */
2358 if (started == STARTED_NONE &&
2359 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2360 started = STARTED_CHATTER;
2366 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2367 if (appData.autoKibitz && started == STARTED_NONE &&
2368 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2369 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2370 if(looking_at(buf, &i, "* kibitzes: ") &&
2371 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2372 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2373 suppressKibitz = TRUE;
2374 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2375 && (gameMode == IcsPlayingWhite)) ||
2376 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2377 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2378 started = STARTED_CHATTER; // own kibitz we simply discard
2380 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2381 parse_pos = 0; parse[0] = NULLCHAR;
2382 savingComment = TRUE;
2383 suppressKibitz = gameMode != IcsObserving ? 2 :
2384 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2388 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2389 started = STARTED_CHATTER;
2390 suppressKibitz = TRUE;
2392 } // [HGM] kibitz: end of patch
2394 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2396 // [HGM] chat: intercept tells by users for which we have an open chat window
2398 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2399 looking_at(buf, &i, "* whispers:") ||
2400 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2401 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2403 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2404 chattingPartner = -1;
2406 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2407 for(p=0; p<MAX_CHAT; p++) {
2408 if(channel == atoi(chatPartner[p])) {
2409 talker[0] = '['; strcat(talker, "]");
2410 chattingPartner = p; break;
2413 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2414 for(p=0; p<MAX_CHAT; p++) {
2415 if(!strcmp("WHISPER", chatPartner[p])) {
2416 talker[0] = '['; strcat(talker, "]");
2417 chattingPartner = p; break;
2420 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2421 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2423 chattingPartner = p; break;
2425 if(chattingPartner<0) i = oldi; else {
2426 started = STARTED_COMMENT;
2427 parse_pos = 0; parse[0] = NULLCHAR;
2428 savingComment = TRUE;
2429 suppressKibitz = TRUE;
2431 } // [HGM] chat: end of patch
2433 if (appData.zippyTalk || appData.zippyPlay) {
2434 /* [DM] Backup address for color zippy lines */
2438 if (loggedOn == TRUE)
2439 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2440 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2442 if (ZippyControl(buf, &i) ||
2443 ZippyConverse(buf, &i) ||
2444 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2446 if (!appData.colorize) continue;
2450 } // [DM] 'else { ' deleted
2452 /* Regular tells and says */
2453 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2454 looking_at(buf, &i, "* (your partner) tells you: ") ||
2455 looking_at(buf, &i, "* says: ") ||
2456 /* Don't color "message" or "messages" output */
2457 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2458 looking_at(buf, &i, "*. * at *:*: ") ||
2459 looking_at(buf, &i, "--* (*:*): ") ||
2460 /* Message notifications (same color as tells) */
2461 looking_at(buf, &i, "* has left a message ") ||
2462 looking_at(buf, &i, "* just sent you a message:\n") ||
2463 /* Whispers and kibitzes */
2464 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2465 looking_at(buf, &i, "* kibitzes: ") ||
2467 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2469 if (tkind == 1 && strchr(star_match[0], ':')) {
2470 /* Avoid "tells you:" spoofs in channels */
2473 if (star_match[0][0] == NULLCHAR ||
2474 strchr(star_match[0], ' ') ||
2475 (tkind == 3 && strchr(star_match[1], ' '))) {
2476 /* Reject bogus matches */
2479 if (appData.colorize) {
2480 if (oldi > next_out) {
2481 SendToPlayer(&buf[next_out], oldi - next_out);
2486 Colorize(ColorTell, FALSE);
2487 curColor = ColorTell;
2490 Colorize(ColorKibitz, FALSE);
2491 curColor = ColorKibitz;
2494 p = strrchr(star_match[1], '(');
2501 Colorize(ColorChannel1, FALSE);
2502 curColor = ColorChannel1;
2504 Colorize(ColorChannel, FALSE);
2505 curColor = ColorChannel;
2509 curColor = ColorNormal;
2513 if (started == STARTED_NONE && appData.autoComment &&
2514 (gameMode == IcsObserving ||
2515 gameMode == IcsPlayingWhite ||
2516 gameMode == IcsPlayingBlack)) {
2517 parse_pos = i - oldi;
2518 memcpy(parse, &buf[oldi], parse_pos);
2519 parse[parse_pos] = NULLCHAR;
2520 started = STARTED_COMMENT;
2521 savingComment = TRUE;
2523 started = STARTED_CHATTER;
2524 savingComment = FALSE;
2531 if (looking_at(buf, &i, "* s-shouts: ") ||
2532 looking_at(buf, &i, "* c-shouts: ")) {
2533 if (appData.colorize) {
2534 if (oldi > next_out) {
2535 SendToPlayer(&buf[next_out], oldi - next_out);
2538 Colorize(ColorSShout, FALSE);
2539 curColor = ColorSShout;
2542 started = STARTED_CHATTER;
2546 if (looking_at(buf, &i, "--->")) {
2551 if (looking_at(buf, &i, "* shouts: ") ||
2552 looking_at(buf, &i, "--> ")) {
2553 if (appData.colorize) {
2554 if (oldi > next_out) {
2555 SendToPlayer(&buf[next_out], oldi - next_out);
2558 Colorize(ColorShout, FALSE);
2559 curColor = ColorShout;
2562 started = STARTED_CHATTER;
2566 if (looking_at( buf, &i, "Challenge:")) {
2567 if (appData.colorize) {
2568 if (oldi > next_out) {
2569 SendToPlayer(&buf[next_out], oldi - next_out);
2572 Colorize(ColorChallenge, FALSE);
2573 curColor = ColorChallenge;
2579 if (looking_at(buf, &i, "* offers you") ||
2580 looking_at(buf, &i, "* offers to be") ||
2581 looking_at(buf, &i, "* would like to") ||
2582 looking_at(buf, &i, "* requests to") ||
2583 looking_at(buf, &i, "Your opponent offers") ||
2584 looking_at(buf, &i, "Your opponent requests")) {
2586 if (appData.colorize) {
2587 if (oldi > next_out) {
2588 SendToPlayer(&buf[next_out], oldi - next_out);
2591 Colorize(ColorRequest, FALSE);
2592 curColor = ColorRequest;
2597 if (looking_at(buf, &i, "* (*) seeking")) {
2598 if (appData.colorize) {
2599 if (oldi > next_out) {
2600 SendToPlayer(&buf[next_out], oldi - next_out);
2603 Colorize(ColorSeek, FALSE);
2604 curColor = ColorSeek;
2609 if (looking_at(buf, &i, "\\ ")) {
2610 if (prevColor != ColorNormal) {
2611 if (oldi > next_out) {
2612 SendToPlayer(&buf[next_out], oldi - next_out);
2615 Colorize(prevColor, TRUE);
2616 curColor = prevColor;
2618 if (savingComment) {
2619 parse_pos = i - oldi;
2620 memcpy(parse, &buf[oldi], parse_pos);
2621 parse[parse_pos] = NULLCHAR;
2622 started = STARTED_COMMENT;
2624 started = STARTED_CHATTER;
2629 if (looking_at(buf, &i, "Black Strength :") ||
2630 looking_at(buf, &i, "<<< style 10 board >>>") ||
2631 looking_at(buf, &i, "<10>") ||
2632 looking_at(buf, &i, "#@#")) {
2633 /* Wrong board style */
2635 SendToICS(ics_prefix);
2636 SendToICS("set style 12\n");
2637 SendToICS(ics_prefix);
2638 SendToICS("refresh\n");
2642 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2644 have_sent_ICS_logon = 1;
2648 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2649 (looking_at(buf, &i, "\n<12> ") ||
2650 looking_at(buf, &i, "<12> "))) {
2652 if (oldi > next_out) {
2653 SendToPlayer(&buf[next_out], oldi - next_out);
2656 started = STARTED_BOARD;
2661 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2662 looking_at(buf, &i, "<b1> ")) {
2663 if (oldi > next_out) {
2664 SendToPlayer(&buf[next_out], oldi - next_out);
2667 started = STARTED_HOLDINGS;
2672 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2674 /* Header for a move list -- first line */
2676 switch (ics_getting_history) {
2680 case BeginningOfGame:
2681 /* User typed "moves" or "oldmoves" while we
2682 were idle. Pretend we asked for these
2683 moves and soak them up so user can step
2684 through them and/or save them.
2687 gameMode = IcsObserving;
2690 ics_getting_history = H_GOT_UNREQ_HEADER;
2692 case EditGame: /*?*/
2693 case EditPosition: /*?*/
2694 /* Should above feature work in these modes too? */
2695 /* For now it doesn't */
2696 ics_getting_history = H_GOT_UNWANTED_HEADER;
2699 ics_getting_history = H_GOT_UNWANTED_HEADER;
2704 /* Is this the right one? */
2705 if (gameInfo.white && gameInfo.black &&
2706 strcmp(gameInfo.white, star_match[0]) == 0 &&
2707 strcmp(gameInfo.black, star_match[2]) == 0) {
2709 ics_getting_history = H_GOT_REQ_HEADER;
2712 case H_GOT_REQ_HEADER:
2713 case H_GOT_UNREQ_HEADER:
2714 case H_GOT_UNWANTED_HEADER:
2715 case H_GETTING_MOVES:
2716 /* Should not happen */
2717 DisplayError(_("Error gathering move list: two headers"), 0);
2718 ics_getting_history = H_FALSE;
2722 /* Save player ratings into gameInfo if needed */
2723 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2724 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2725 (gameInfo.whiteRating == -1 ||
2726 gameInfo.blackRating == -1)) {
2728 gameInfo.whiteRating = string_to_rating(star_match[1]);
2729 gameInfo.blackRating = string_to_rating(star_match[3]);
2730 if (appData.debugMode)
2731 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2732 gameInfo.whiteRating, gameInfo.blackRating);
2737 if (looking_at(buf, &i,
2738 "* * match, initial time: * minute*, increment: * second")) {
2739 /* Header for a move list -- second line */
2740 /* Initial board will follow if this is a wild game */
2741 if (gameInfo.event != NULL) free(gameInfo.event);
2742 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2743 gameInfo.event = StrSave(str);
2744 /* [HGM] we switched variant. Translate boards if needed. */
2745 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2749 if (looking_at(buf, &i, "Move ")) {
2750 /* Beginning of a move list */
2751 switch (ics_getting_history) {
2753 /* Normally should not happen */
2754 /* Maybe user hit reset while we were parsing */
2757 /* Happens if we are ignoring a move list that is not
2758 * the one we just requested. Common if the user
2759 * tries to observe two games without turning off
2762 case H_GETTING_MOVES:
2763 /* Should not happen */
2764 DisplayError(_("Error gathering move list: nested"), 0);
2765 ics_getting_history = H_FALSE;
2767 case H_GOT_REQ_HEADER:
2768 ics_getting_history = H_GETTING_MOVES;
2769 started = STARTED_MOVES;
2771 if (oldi > next_out) {
2772 SendToPlayer(&buf[next_out], oldi - next_out);
2775 case H_GOT_UNREQ_HEADER:
2776 ics_getting_history = H_GETTING_MOVES;
2777 started = STARTED_MOVES_NOHIDE;
2780 case H_GOT_UNWANTED_HEADER:
2781 ics_getting_history = H_FALSE;
2787 if (looking_at(buf, &i, "% ") ||
2788 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2789 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2790 savingComment = FALSE;
2793 case STARTED_MOVES_NOHIDE:
2794 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2795 parse[parse_pos + i - oldi] = NULLCHAR;
2796 ParseGameHistory(parse);
2798 if (appData.zippyPlay && first.initDone) {
2799 FeedMovesToProgram(&first, forwardMostMove);
2800 if (gameMode == IcsPlayingWhite) {
2801 if (WhiteOnMove(forwardMostMove)) {
2802 if (first.sendTime) {
2803 if (first.useColors) {
2804 SendToProgram("black\n", &first);
2806 SendTimeRemaining(&first, TRUE);
2808 if (first.useColors) {
2809 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2811 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2812 first.maybeThinking = TRUE;
2814 if (first.usePlayother) {
2815 if (first.sendTime) {
2816 SendTimeRemaining(&first, TRUE);
2818 SendToProgram("playother\n", &first);
2824 } else if (gameMode == IcsPlayingBlack) {
2825 if (!WhiteOnMove(forwardMostMove)) {
2826 if (first.sendTime) {
2827 if (first.useColors) {
2828 SendToProgram("white\n", &first);
2830 SendTimeRemaining(&first, FALSE);
2832 if (first.useColors) {
2833 SendToProgram("black\n", &first);
2835 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2836 first.maybeThinking = TRUE;
2838 if (first.usePlayother) {
2839 if (first.sendTime) {
2840 SendTimeRemaining(&first, FALSE);
2842 SendToProgram("playother\n", &first);
2851 if (gameMode == IcsObserving && ics_gamenum == -1) {
2852 /* Moves came from oldmoves or moves command
2853 while we weren't doing anything else.
2855 currentMove = forwardMostMove;
2856 ClearHighlights();/*!!could figure this out*/
2857 flipView = appData.flipView;
2858 DrawPosition(FALSE, boards[currentMove]);
2859 DisplayBothClocks();
2860 sprintf(str, "%s vs. %s",
2861 gameInfo.white, gameInfo.black);
2865 /* Moves were history of an active game */
2866 if (gameInfo.resultDetails != NULL) {
2867 free(gameInfo.resultDetails);
2868 gameInfo.resultDetails = NULL;
2871 HistorySet(parseList, backwardMostMove,
2872 forwardMostMove, currentMove-1);
2873 DisplayMove(currentMove - 1);
2874 if (started == STARTED_MOVES) next_out = i;
2875 started = STARTED_NONE;
2876 ics_getting_history = H_FALSE;
2879 case STARTED_OBSERVE:
2880 started = STARTED_NONE;
2881 SendToICS(ics_prefix);
2882 SendToICS("refresh\n");
2888 if(bookHit) { // [HGM] book: simulate book reply
2889 static char bookMove[MSG_SIZ]; // a bit generous?
2891 programStats.nodes = programStats.depth = programStats.time =
2892 programStats.score = programStats.got_only_move = 0;
2893 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2895 strcpy(bookMove, "move ");
2896 strcat(bookMove, bookHit);
2897 HandleMachineMove(bookMove, &first);
2902 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2903 started == STARTED_HOLDINGS ||
2904 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2905 /* Accumulate characters in move list or board */
2906 parse[parse_pos++] = buf[i];
2909 /* Start of game messages. Mostly we detect start of game
2910 when the first board image arrives. On some versions
2911 of the ICS, though, we need to do a "refresh" after starting
2912 to observe in order to get the current board right away. */
2913 if (looking_at(buf, &i, "Adding game * to observation list")) {
2914 started = STARTED_OBSERVE;
2918 /* Handle auto-observe */
2919 if (appData.autoObserve &&
2920 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2921 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2923 /* Choose the player that was highlighted, if any. */
2924 if (star_match[0][0] == '\033' ||
2925 star_match[1][0] != '\033') {
2926 player = star_match[0];
2928 player = star_match[2];
2930 sprintf(str, "%sobserve %s\n",
2931 ics_prefix, StripHighlightAndTitle(player));
2934 /* Save ratings from notify string */
2935 strcpy(player1Name, star_match[0]);
2936 player1Rating = string_to_rating(star_match[1]);
2937 strcpy(player2Name, star_match[2]);
2938 player2Rating = string_to_rating(star_match[3]);
2940 if (appData.debugMode)
2942 "Ratings from 'Game notification:' %s %d, %s %d\n",
2943 player1Name, player1Rating,
2944 player2Name, player2Rating);
2949 /* Deal with automatic examine mode after a game,
2950 and with IcsObserving -> IcsExamining transition */
2951 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2952 looking_at(buf, &i, "has made you an examiner of game *")) {
2954 int gamenum = atoi(star_match[0]);
2955 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2956 gamenum == ics_gamenum) {
2957 /* We were already playing or observing this game;
2958 no need to refetch history */
2959 gameMode = IcsExamining;
2961 pauseExamForwardMostMove = forwardMostMove;
2962 } else if (currentMove < forwardMostMove) {
2963 ForwardInner(forwardMostMove);
2966 /* I don't think this case really can happen */
2967 SendToICS(ics_prefix);
2968 SendToICS("refresh\n");
2973 /* Error messages */
2974 // if (ics_user_moved) {
2975 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
2976 if (looking_at(buf, &i, "Illegal move") ||
2977 looking_at(buf, &i, "Not a legal move") ||
2978 looking_at(buf, &i, "Your king is in check") ||
2979 looking_at(buf, &i, "It isn't your turn") ||
2980 looking_at(buf, &i, "It is not your move")) {
2982 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
2983 currentMove = --forwardMostMove;
2984 DisplayMove(currentMove - 1); /* before DMError */
2985 DrawPosition(FALSE, boards[currentMove]);
2987 DisplayBothClocks();
2989 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
2995 if (looking_at(buf, &i, "still have time") ||
2996 looking_at(buf, &i, "not out of time") ||
2997 looking_at(buf, &i, "either player is out of time") ||
2998 looking_at(buf, &i, "has timeseal; checking")) {
2999 /* We must have called his flag a little too soon */
3000 whiteFlag = blackFlag = FALSE;
3004 if (looking_at(buf, &i, "added * seconds to") ||
3005 looking_at(buf, &i, "seconds were added to")) {
3006 /* Update the clocks */
3007 SendToICS(ics_prefix);
3008 SendToICS("refresh\n");
3012 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3013 ics_clock_paused = TRUE;
3018 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3019 ics_clock_paused = FALSE;
3024 /* Grab player ratings from the Creating: message.
3025 Note we have to check for the special case when
3026 the ICS inserts things like [white] or [black]. */
3027 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3028 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3030 0 player 1 name (not necessarily white)
3032 2 empty, white, or black (IGNORED)
3033 3 player 2 name (not necessarily black)
3036 The names/ratings are sorted out when the game
3037 actually starts (below).
3039 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3040 player1Rating = string_to_rating(star_match[1]);
3041 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3042 player2Rating = string_to_rating(star_match[4]);
3044 if (appData.debugMode)
3046 "Ratings from 'Creating:' %s %d, %s %d\n",
3047 player1Name, player1Rating,
3048 player2Name, player2Rating);
3053 /* Improved generic start/end-of-game messages */
3054 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3055 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3056 /* If tkind == 0: */
3057 /* star_match[0] is the game number */
3058 /* [1] is the white player's name */
3059 /* [2] is the black player's name */
3060 /* For end-of-game: */
3061 /* [3] is the reason for the game end */
3062 /* [4] is a PGN end game-token, preceded by " " */
3063 /* For start-of-game: */
3064 /* [3] begins with "Creating" or "Continuing" */
3065 /* [4] is " *" or empty (don't care). */
3066 int gamenum = atoi(star_match[0]);
3067 char *whitename, *blackname, *why, *endtoken;
3068 ChessMove endtype = (ChessMove) 0;
3071 whitename = star_match[1];
3072 blackname = star_match[2];
3073 why = star_match[3];
3074 endtoken = star_match[4];
3076 whitename = star_match[1];
3077 blackname = star_match[3];
3078 why = star_match[5];
3079 endtoken = star_match[6];
3082 /* Game start messages */
3083 if (strncmp(why, "Creating ", 9) == 0 ||
3084 strncmp(why, "Continuing ", 11) == 0) {
3085 gs_gamenum = gamenum;
3086 strcpy(gs_kind, strchr(why, ' ') + 1);
3088 if (appData.zippyPlay) {
3089 ZippyGameStart(whitename, blackname);
3095 /* Game end messages */
3096 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3097 ics_gamenum != gamenum) {
3100 while (endtoken[0] == ' ') endtoken++;
3101 switch (endtoken[0]) {
3104 endtype = GameUnfinished;
3107 endtype = BlackWins;
3110 if (endtoken[1] == '/')
3111 endtype = GameIsDrawn;
3113 endtype = WhiteWins;
3116 GameEnds(endtype, why, GE_ICS);
3118 if (appData.zippyPlay && first.initDone) {
3119 ZippyGameEnd(endtype, why);
3120 if (first.pr == NULL) {
3121 /* Start the next process early so that we'll
3122 be ready for the next challenge */
3123 StartChessProgram(&first);
3125 /* Send "new" early, in case this command takes
3126 a long time to finish, so that we'll be ready
3127 for the next challenge. */
3128 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3135 if (looking_at(buf, &i, "Removing game * from observation") ||
3136 looking_at(buf, &i, "no longer observing game *") ||
3137 looking_at(buf, &i, "Game * (*) has no examiners")) {
3138 if (gameMode == IcsObserving &&
3139 atoi(star_match[0]) == ics_gamenum)
3141 /* icsEngineAnalyze */
3142 if (appData.icsEngineAnalyze) {
3149 ics_user_moved = FALSE;
3154 if (looking_at(buf, &i, "no longer examining game *")) {
3155 if (gameMode == IcsExamining &&
3156 atoi(star_match[0]) == ics_gamenum)
3160 ics_user_moved = FALSE;
3165 /* Advance leftover_start past any newlines we find,
3166 so only partial lines can get reparsed */
3167 if (looking_at(buf, &i, "\n")) {
3168 prevColor = curColor;
3169 if (curColor != ColorNormal) {
3170 if (oldi > next_out) {
3171 SendToPlayer(&buf[next_out], oldi - next_out);
3174 Colorize(ColorNormal, FALSE);
3175 curColor = ColorNormal;
3177 if (started == STARTED_BOARD) {
3178 started = STARTED_NONE;
3179 parse[parse_pos] = NULLCHAR;
3180 ParseBoard12(parse);
3183 /* Send premove here */
3184 if (appData.premove) {
3186 if (currentMove == 0 &&
3187 gameMode == IcsPlayingWhite &&
3188 appData.premoveWhite) {
3189 sprintf(str, "%s%s\n", ics_prefix,
3190 appData.premoveWhiteText);
3191 if (appData.debugMode)
3192 fprintf(debugFP, "Sending premove:\n");
3194 } else if (currentMove == 1 &&
3195 gameMode == IcsPlayingBlack &&
3196 appData.premoveBlack) {
3197 sprintf(str, "%s%s\n", ics_prefix,
3198 appData.premoveBlackText);
3199 if (appData.debugMode)
3200 fprintf(debugFP, "Sending premove:\n");
3202 } else if (gotPremove) {
3204 ClearPremoveHighlights();
3205 if (appData.debugMode)
3206 fprintf(debugFP, "Sending premove:\n");
3207 UserMoveEvent(premoveFromX, premoveFromY,
3208 premoveToX, premoveToY,
3213 /* Usually suppress following prompt */
3214 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3215 if (looking_at(buf, &i, "*% ")) {
3216 savingComment = FALSE;
3220 } else if (started == STARTED_HOLDINGS) {
3222 char new_piece[MSG_SIZ];
3223 started = STARTED_NONE;
3224 parse[parse_pos] = NULLCHAR;
3225 if (appData.debugMode)
3226 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3227 parse, currentMove);
3228 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3229 gamenum == ics_gamenum) {
3230 if (gameInfo.variant == VariantNormal) {
3231 /* [HGM] We seem to switch variant during a game!
3232 * Presumably no holdings were displayed, so we have
3233 * to move the position two files to the right to
3234 * create room for them!
3236 VariantSwitch(boards[currentMove], VariantCrazyhouse); /* temp guess */
3237 /* Get a move list just to see the header, which
3238 will tell us whether this is really bug or zh */
3239 if (ics_getting_history == H_FALSE) {
3240 ics_getting_history = H_REQUESTED;
3241 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3245 new_piece[0] = NULLCHAR;
3246 sscanf(parse, "game %d white [%s black [%s <- %s",
3247 &gamenum, white_holding, black_holding,
3249 white_holding[strlen(white_holding)-1] = NULLCHAR;
3250 black_holding[strlen(black_holding)-1] = NULLCHAR;
3251 /* [HGM] copy holdings to board holdings area */
3252 CopyHoldings(boards[currentMove], white_holding, WhitePawn);
3253 CopyHoldings(boards[currentMove], black_holding, BlackPawn);
3255 if (appData.zippyPlay && first.initDone) {
3256 ZippyHoldings(white_holding, black_holding,
3260 if (tinyLayout || smallLayout) {
3261 char wh[16], bh[16];
3262 PackHolding(wh, white_holding);
3263 PackHolding(bh, black_holding);
3264 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3265 gameInfo.white, gameInfo.black);
3267 sprintf(str, "%s [%s] vs. %s [%s]",
3268 gameInfo.white, white_holding,
3269 gameInfo.black, black_holding);
3272 DrawPosition(FALSE, boards[currentMove]);
3275 /* Suppress following prompt */
3276 if (looking_at(buf, &i, "*% ")) {
3277 savingComment = FALSE;
3284 i++; /* skip unparsed character and loop back */
3287 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3288 started != STARTED_HOLDINGS && i > next_out) {
3289 SendToPlayer(&buf[next_out], i - next_out);
3292 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3294 leftover_len = buf_len - leftover_start;
3295 /* if buffer ends with something we couldn't parse,
3296 reparse it after appending the next read */
3298 } else if (count == 0) {
3299 RemoveInputSource(isr);
3300 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3302 DisplayFatalError(_("Error reading from ICS"), error, 1);
3307 /* Board style 12 looks like this:
3309 <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
3311 * The "<12> " is stripped before it gets to this routine. The two
3312 * trailing 0's (flip state and clock ticking) are later addition, and
3313 * some chess servers may not have them, or may have only the first.
3314 * Additional trailing fields may be added in the future.
3317 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3319 #define RELATION_OBSERVING_PLAYED 0
3320 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3321 #define RELATION_PLAYING_MYMOVE 1
3322 #define RELATION_PLAYING_NOTMYMOVE -1
3323 #define RELATION_EXAMINING 2
3324 #define RELATION_ISOLATED_BOARD -3
3325 #define RELATION_STARTING_POSITION -4 /* FICS only */
3328 ParseBoard12(string)
3331 GameMode newGameMode;
3332 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3333 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3334 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3335 char to_play, board_chars[200];
3336 char move_str[500], str[500], elapsed_time[500];
3337 char black[32], white[32];
3339 int prevMove = currentMove;
3342 int fromX, fromY, toX, toY;
3344 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3345 char *bookHit = NULL; // [HGM] book
3347 fromX = fromY = toX = toY = -1;
3351 if (appData.debugMode)
3352 fprintf(debugFP, _("Parsing board: %s\n"), string);
3354 move_str[0] = NULLCHAR;
3355 elapsed_time[0] = NULLCHAR;
3356 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3358 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3359 if(string[i] == ' ') { ranks++; files = 0; }
3363 for(j = 0; j <i; j++) board_chars[j] = string[j];
3364 board_chars[i] = '\0';
3367 n = sscanf(string, PATTERN, &to_play, &double_push,
3368 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3369 &gamenum, white, black, &relation, &basetime, &increment,
3370 &white_stren, &black_stren, &white_time, &black_time,
3371 &moveNum, str, elapsed_time, move_str, &ics_flip,
3375 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3376 DisplayError(str, 0);
3380 /* Convert the move number to internal form */
3381 moveNum = (moveNum - 1) * 2;
3382 if (to_play == 'B') moveNum++;
3383 if (moveNum >= MAX_MOVES) {
3384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3390 case RELATION_OBSERVING_PLAYED:
3391 case RELATION_OBSERVING_STATIC:
3392 if (gamenum == -1) {
3393 /* Old ICC buglet */
3394 relation = RELATION_OBSERVING_STATIC;
3396 newGameMode = IcsObserving;
3398 case RELATION_PLAYING_MYMOVE:
3399 case RELATION_PLAYING_NOTMYMOVE:
3401 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3402 IcsPlayingWhite : IcsPlayingBlack;
3404 case RELATION_EXAMINING:
3405 newGameMode = IcsExamining;
3407 case RELATION_ISOLATED_BOARD:
3409 /* Just display this board. If user was doing something else,
3410 we will forget about it until the next board comes. */
3411 newGameMode = IcsIdle;
3413 case RELATION_STARTING_POSITION:
3414 newGameMode = gameMode;
3418 /* Modify behavior for initial board display on move listing
3421 switch (ics_getting_history) {
3425 case H_GOT_REQ_HEADER:
3426 case H_GOT_UNREQ_HEADER:
3427 /* This is the initial position of the current game */
3428 gamenum = ics_gamenum;
3429 moveNum = 0; /* old ICS bug workaround */
3430 if (to_play == 'B') {
3431 startedFromSetupPosition = TRUE;
3432 blackPlaysFirst = TRUE;
3434 if (forwardMostMove == 0) forwardMostMove = 1;
3435 if (backwardMostMove == 0) backwardMostMove = 1;
3436 if (currentMove == 0) currentMove = 1;
3438 newGameMode = gameMode;
3439 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3441 case H_GOT_UNWANTED_HEADER:
3442 /* This is an initial board that we don't want */
3444 case H_GETTING_MOVES:
3445 /* Should not happen */
3446 DisplayError(_("Error gathering move list: extra board"), 0);
3447 ics_getting_history = H_FALSE;
3451 /* Take action if this is the first board of a new game, or of a
3452 different game than is currently being displayed. */
3453 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3454 relation == RELATION_ISOLATED_BOARD) {
3456 /* Forget the old game and get the history (if any) of the new one */
3457 if (gameMode != BeginningOfGame) {
3461 if (appData.autoRaiseBoard) BoardToTop();
3463 if (gamenum == -1) {
3464 newGameMode = IcsIdle;
3465 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3466 appData.getMoveList) {
3467 /* Need to get game history */
3468 ics_getting_history = H_REQUESTED;
3469 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3473 /* Initially flip the board to have black on the bottom if playing
3474 black or if the ICS flip flag is set, but let the user change
3475 it with the Flip View button. */
3476 flipView = appData.autoFlipView ?
3477 (newGameMode == IcsPlayingBlack) || ics_flip :
3480 /* Done with values from previous mode; copy in new ones */
3481 gameMode = newGameMode;
3483 ics_gamenum = gamenum;
3484 if (gamenum == gs_gamenum) {
3485 int klen = strlen(gs_kind);
3486 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3487 sprintf(str, "ICS %s", gs_kind);
3488 gameInfo.event = StrSave(str);
3490 gameInfo.event = StrSave("ICS game");
3492 gameInfo.site = StrSave(appData.icsHost);
3493 gameInfo.date = PGNDate();
3494 gameInfo.round = StrSave("-");
3495 gameInfo.white = StrSave(white);
3496 gameInfo.black = StrSave(black);
3497 timeControl = basetime * 60 * 1000;
3499 timeIncrement = increment * 1000;
3500 movesPerSession = 0;
3501 gameInfo.timeControl = TimeControlTagValue();
3502 VariantSwitch(board, StringToVariant(gameInfo.event) );
3503 if (appData.debugMode) {
3504 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3505 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3506 setbuf(debugFP, NULL);
3509 gameInfo.outOfBook = NULL;
3511 /* Do we have the ratings? */
3512 if (strcmp(player1Name, white) == 0 &&
3513 strcmp(player2Name, black) == 0) {
3514 if (appData.debugMode)
3515 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3516 player1Rating, player2Rating);
3517 gameInfo.whiteRating = player1Rating;
3518 gameInfo.blackRating = player2Rating;
3519 } else if (strcmp(player2Name, white) == 0 &&
3520 strcmp(player1Name, black) == 0) {
3521 if (appData.debugMode)
3522 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3523 player2Rating, player1Rating);
3524 gameInfo.whiteRating = player2Rating;
3525 gameInfo.blackRating = player1Rating;
3527 player1Name[0] = player2Name[0] = NULLCHAR;
3529 /* Silence shouts if requested */
3530 if (appData.quietPlay &&
3531 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3532 SendToICS(ics_prefix);
3533 SendToICS("set shout 0\n");
3537 /* Deal with midgame name changes */
3539 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3540 if (gameInfo.white) free(gameInfo.white);
3541 gameInfo.white = StrSave(white);
3543 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3544 if (gameInfo.black) free(gameInfo.black);
3545 gameInfo.black = StrSave(black);
3549 /* Throw away game result if anything actually changes in examine mode */
3550 if (gameMode == IcsExamining && !newGame) {
3551 gameInfo.result = GameUnfinished;
3552 if (gameInfo.resultDetails != NULL) {
3553 free(gameInfo.resultDetails);
3554 gameInfo.resultDetails = NULL;
3558 /* In pausing && IcsExamining mode, we ignore boards coming
3559 in if they are in a different variation than we are. */
3560 if (pauseExamInvalid) return;
3561 if (pausing && gameMode == IcsExamining) {
3562 if (moveNum <= pauseExamForwardMostMove) {
3563 pauseExamInvalid = TRUE;
3564 forwardMostMove = pauseExamForwardMostMove;
3569 if (appData.debugMode) {
3570 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3572 /* Parse the board */
3573 for (k = 0; k < ranks; k++) {
3574 for (j = 0; j < files; j++)
3575 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3576 if(gameInfo.holdingsWidth > 1) {
3577 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3578 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3581 CopyBoard(boards[moveNum], board);
3583 startedFromSetupPosition =
3584 !CompareBoards(board, initialPosition);
3585 if(startedFromSetupPosition)
3586 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3589 /* [HGM] Set castling rights. Take the outermost Rooks,
3590 to make it also work for FRC opening positions. Note that board12
3591 is really defective for later FRC positions, as it has no way to
3592 indicate which Rook can castle if they are on the same side of King.
3593 For the initial position we grant rights to the outermost Rooks,
3594 and remember thos rights, and we then copy them on positions
3595 later in an FRC game. This means WB might not recognize castlings with
3596 Rooks that have moved back to their original position as illegal,
3597 but in ICS mode that is not its job anyway.
3599 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3600 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3602 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3603 if(board[0][i] == WhiteRook) j = i;
3604 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3605 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3606 if(board[0][i] == WhiteRook) j = i;
3607 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3608 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3609 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3610 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3611 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3612 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3613 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3615 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3616 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3617 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3618 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3619 if(board[BOARD_HEIGHT-1][k] == bKing)
3620 initialRights[5] = castlingRights[moveNum][5] = k;
3622 r = castlingRights[moveNum][0] = initialRights[0];
3623 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3624 r = castlingRights[moveNum][1] = initialRights[1];
3625 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3626 r = castlingRights[moveNum][3] = initialRights[3];
3627 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3628 r = castlingRights[moveNum][4] = initialRights[4];
3629 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3630 /* wildcastle kludge: always assume King has rights */
3631 r = castlingRights[moveNum][2] = initialRights[2];
3632 r = castlingRights[moveNum][5] = initialRights[5];
3634 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3635 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3638 if (ics_getting_history == H_GOT_REQ_HEADER ||
3639 ics_getting_history == H_GOT_UNREQ_HEADER) {
3640 /* This was an initial position from a move list, not
3641 the current position */
3645 /* Update currentMove and known move number limits */
3646 newMove = newGame || moveNum > forwardMostMove;
3648 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3649 if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
3650 takeback = forwardMostMove - moveNum;
3651 for (i = 0; i < takeback; i++) {
3652 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3653 SendToProgram("undo\n", &first);
3658 forwardMostMove = backwardMostMove = currentMove = moveNum;
3659 if (gameMode == IcsExamining && moveNum == 0) {
3660 /* Workaround for ICS limitation: we are not told the wild
3661 type when starting to examine a game. But if we ask for
3662 the move list, the move list header will tell us */
3663 ics_getting_history = H_REQUESTED;
3664 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3667 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3668 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3669 forwardMostMove = moveNum;
3670 if (!pausing || currentMove > forwardMostMove)
3671 currentMove = forwardMostMove;
3673 /* New part of history that is not contiguous with old part */
3674 if (pausing && gameMode == IcsExamining) {
3675 pauseExamInvalid = TRUE;
3676 forwardMostMove = pauseExamForwardMostMove;
3679 forwardMostMove = backwardMostMove = currentMove = moveNum;
3680 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3681 ics_getting_history = H_REQUESTED;
3682 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3687 /* Update the clocks */
3688 if (strchr(elapsed_time, '.')) {
3690 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3691 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3693 /* Time is in seconds */
3694 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3695 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3700 if (appData.zippyPlay && newGame &&
3701 gameMode != IcsObserving && gameMode != IcsIdle &&
3702 gameMode != IcsExamining)
3703 ZippyFirstBoard(moveNum, basetime, increment);
3706 /* Put the move on the move list, first converting
3707 to canonical algebraic form. */
3709 if (appData.debugMode) {
3710 if (appData.debugMode) { int f = forwardMostMove;
3711 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3712 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3714 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3715 fprintf(debugFP, "moveNum = %d\n", moveNum);
3716 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3717 setbuf(debugFP, NULL);
3719 if (moveNum <= backwardMostMove) {
3720 /* We don't know what the board looked like before
3722 strcpy(parseList[moveNum - 1], move_str);
3723 strcat(parseList[moveNum - 1], " ");
3724 strcat(parseList[moveNum - 1], elapsed_time);
3725 moveList[moveNum - 1][0] = NULLCHAR;
3726 } else if (strcmp(move_str, "none") == 0) {
3727 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3728 /* Again, we don't know what the board looked like;
3729 this is really the start of the game. */
3730 parseList[moveNum - 1][0] = NULLCHAR;
3731 moveList[moveNum - 1][0] = NULLCHAR;
3732 backwardMostMove = moveNum;
3733 startedFromSetupPosition = TRUE;
3734 fromX = fromY = toX = toY = -1;
3736 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3737 // So we parse the long-algebraic move string in stead of the SAN move
3738 int valid; char buf[MSG_SIZ], *prom;
3740 // str looks something like "Q/a1-a2"; kill the slash
3742 sprintf(buf, "%c%s", str[0], str+2);
3743 else strcpy(buf, str); // might be castling
3744 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3745 strcat(buf, prom); // long move lacks promo specification!
3746 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3747 if(appData.debugMode)
3748 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3749 strcpy(move_str, buf);
3751 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3752 &fromX, &fromY, &toX, &toY, &promoChar)
3753 || ParseOneMove(buf, moveNum - 1, &moveType,
3754 &fromX, &fromY, &toX, &toY, &promoChar);
3755 // end of long SAN patch
3757 (void) CoordsToAlgebraic(boards[moveNum - 1],
3758 PosFlags(moveNum - 1), EP_UNKNOWN,
3759 fromY, fromX, toY, toX, promoChar,
3760 parseList[moveNum-1]);
3761 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3762 castlingRights[moveNum]) ) {
3768 if(gameInfo.variant != VariantShogi)
3769 strcat(parseList[moveNum - 1], "+");
3772 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3773 strcat(parseList[moveNum - 1], "#");
3776 strcat(parseList[moveNum - 1], " ");
3777 strcat(parseList[moveNum - 1], elapsed_time);
3778 /* currentMoveString is set as a side-effect of ParseOneMove */
3779 strcpy(moveList[moveNum - 1], currentMoveString);
3780 strcat(moveList[moveNum - 1], "\n");
3782 /* Move from ICS was illegal!? Punt. */
3783 if (appData.debugMode) {
3784 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3785 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3787 strcpy(parseList[moveNum - 1], move_str);
3788 strcat(parseList[moveNum - 1], " ");
3789 strcat(parseList[moveNum - 1], elapsed_time);
3790 moveList[moveNum - 1][0] = NULLCHAR;
3791 fromX = fromY = toX = toY = -1;
3794 if (appData.debugMode) {
3795 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3796 setbuf(debugFP, NULL);
3800 /* Send move to chess program (BEFORE animating it). */
3801 if (appData.zippyPlay && !newGame && newMove &&
3802 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3804 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3805 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3806 if (moveList[moveNum - 1][0] == NULLCHAR) {
3807 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3809 DisplayError(str, 0);
3811 if (first.sendTime) {
3812 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3814 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3815 if (firstMove && !bookHit) {
3817 if (first.useColors) {
3818 SendToProgram(gameMode == IcsPlayingWhite ?
3820 "black\ngo\n", &first);
3822 SendToProgram("go\n", &first);
3824 first.maybeThinking = TRUE;