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, 2010, 2011, 2012, 2013 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 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
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);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len >= MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine (ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
886 FloatToFront(char **list, char *engineLine)
888 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
890 if(appData.recentEngines <= 0) return;
891 TidyProgramName(engineLine, "localhost", tidy+1);
892 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
893 strncpy(buf+1, *list, MSG_SIZ-50);
894 if(p = strstr(buf, tidy)) { // tidy name appears in list
895 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
896 while(*p++ = *++q); // squeeze out
898 strcat(tidy, buf+1); // put list behind tidy name
899 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
900 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
901 ASSIGN(*list, tidy+1);
904 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
907 Load (ChessProgramState *cps, int i)
909 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
910 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
911 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
912 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
913 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
914 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
915 appData.firstProtocolVersion = PROTOVER;
916 ParseArgsFromString(buf);
918 ReplaceEngine(cps, i);
919 FloatToFront(&appData.recentEngineList, engineLine);
923 while(q = strchr(p, SLASH)) p = q+1;
924 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
925 if(engineDir[0] != NULLCHAR) {
926 ASSIGN(appData.directory[i], engineDir); p = engineName;
927 } else if(p != engineName) { // derive directory from engine path, when not given
929 ASSIGN(appData.directory[i], engineName);
931 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
932 } else { ASSIGN(appData.directory[i], "."); }
934 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
935 snprintf(command, MSG_SIZ, "%s %s", p, params);
938 ASSIGN(appData.chessProgram[i], p);
939 appData.isUCI[i] = isUCI;
940 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
941 appData.hasOwnBookUCI[i] = hasBook;
942 if(!nickName[0]) useNick = FALSE;
943 if(useNick) ASSIGN(appData.pgnName[i], nickName);
947 q = firstChessProgramNames;
948 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
949 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
951 quote, p, quote, appData.directory[i],
952 useNick ? " -fn \"" : "",
953 useNick ? nickName : "",
955 v1 ? " -firstProtocolVersion 1" : "",
956 hasBook ? "" : " -fNoOwnBookUCI",
957 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
958 storeVariant ? " -variant " : "",
959 storeVariant ? VariantName(gameInfo.variant) : "");
960 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
961 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
962 if(insert != q) insert[-1] = NULLCHAR;
963 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
965 FloatToFront(&appData.recentEngineList, buf);
967 ReplaceEngine(cps, i);
973 int matched, min, sec;
975 * Parse timeControl resource
977 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
978 appData.movesPerSession)) {
980 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
981 DisplayFatalError(buf, 0, 2);
985 * Parse searchTime resource
987 if (*appData.searchTime != NULLCHAR) {
988 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
990 searchTime = min * 60;
991 } else if (matched == 2) {
992 searchTime = min * 60 + sec;
995 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
996 DisplayFatalError(buf, 0, 2);
1005 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1006 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1008 GetTimeMark(&programStartTime);
1009 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1010 appData.seedBase = random() + (random()<<15);
1011 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1013 ClearProgramStats();
1014 programStats.ok_to_send = 1;
1015 programStats.seen_stat = 0;
1018 * Initialize game list
1024 * Internet chess server status
1026 if (appData.icsActive) {
1027 appData.matchMode = FALSE;
1028 appData.matchGames = 0;
1030 appData.noChessProgram = !appData.zippyPlay;
1032 appData.zippyPlay = FALSE;
1033 appData.zippyTalk = FALSE;
1034 appData.noChessProgram = TRUE;
1036 if (*appData.icsHelper != NULLCHAR) {
1037 appData.useTelnet = TRUE;
1038 appData.telnetProgram = appData.icsHelper;
1041 appData.zippyTalk = appData.zippyPlay = FALSE;
1044 /* [AS] Initialize pv info list [HGM] and game state */
1048 for( i=0; i<=framePtr; i++ ) {
1049 pvInfoList[i].depth = -1;
1050 boards[i][EP_STATUS] = EP_NONE;
1051 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1057 /* [AS] Adjudication threshold */
1058 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1060 InitEngine(&first, 0);
1061 InitEngine(&second, 1);
1064 pairing.which = "pairing"; // pairing engine
1065 pairing.pr = NoProc;
1067 pairing.program = appData.pairingEngine;
1068 pairing.host = "localhost";
1071 if (appData.icsActive) {
1072 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1073 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1074 appData.clockMode = FALSE;
1075 first.sendTime = second.sendTime = 0;
1079 /* Override some settings from environment variables, for backward
1080 compatibility. Unfortunately it's not feasible to have the env
1081 vars just set defaults, at least in xboard. Ugh.
1083 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1088 if (!appData.icsActive) {
1092 /* Check for variants that are supported only in ICS mode,
1093 or not at all. Some that are accepted here nevertheless
1094 have bugs; see comments below.
1096 VariantClass variant = StringToVariant(appData.variant);
1098 case VariantBughouse: /* need four players and two boards */
1099 case VariantKriegspiel: /* need to hide pieces and move details */
1100 /* case VariantFischeRandom: (Fabien: moved below) */
1101 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1102 if( (len >= MSG_SIZ) && appData.debugMode )
1103 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1105 DisplayFatalError(buf, 0, 2);
1108 case VariantUnknown:
1109 case VariantLoadable:
1119 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1120 if( (len >= MSG_SIZ) && appData.debugMode )
1121 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1123 DisplayFatalError(buf, 0, 2);
1126 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1127 case VariantFairy: /* [HGM] TestLegality definitely off! */
1128 case VariantGothic: /* [HGM] should work */
1129 case VariantCapablanca: /* [HGM] should work */
1130 case VariantCourier: /* [HGM] initial forced moves not implemented */
1131 case VariantShogi: /* [HGM] could still mate with pawn drop */
1132 case VariantKnightmate: /* [HGM] should work */
1133 case VariantCylinder: /* [HGM] untested */
1134 case VariantFalcon: /* [HGM] untested */
1135 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1136 offboard interposition not understood */
1137 case VariantNormal: /* definitely works! */
1138 case VariantWildCastle: /* pieces not automatically shuffled */
1139 case VariantNoCastle: /* pieces not automatically shuffled */
1140 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1141 case VariantLosers: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantSuicide: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantGiveaway: /* should work except for win condition,
1146 and doesn't know captures are mandatory */
1147 case VariantTwoKings: /* should work */
1148 case VariantAtomic: /* should work except for win condition */
1149 case Variant3Check: /* should work except for win condition */
1150 case VariantShatranj: /* should work except for all win conditions */
1151 case VariantMakruk: /* should work except for draw countdown */
1152 case VariantBerolina: /* might work if TestLegality is off */
1153 case VariantCapaRandom: /* should work */
1154 case VariantJanus: /* should work */
1155 case VariantSuper: /* experimental */
1156 case VariantGreat: /* experimental, requires legality testing to be off */
1157 case VariantSChess: /* S-Chess, should work */
1158 case VariantGrand: /* should work */
1159 case VariantSpartan: /* should work */
1167 NextIntegerFromString (char ** str, long * value)
1172 while( *s == ' ' || *s == '\t' ) {
1178 if( *s >= '0' && *s <= '9' ) {
1179 while( *s >= '0' && *s <= '9' ) {
1180 *value = *value * 10 + (*s - '0');
1193 NextTimeControlFromString (char ** str, long * value)
1196 int result = NextIntegerFromString( str, &temp );
1199 *value = temp * 60; /* Minutes */
1200 if( **str == ':' ) {
1202 result = NextIntegerFromString( str, &temp );
1203 *value += temp; /* Seconds */
1211 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1212 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1213 int result = -1, type = 0; long temp, temp2;
1215 if(**str != ':') return -1; // old params remain in force!
1217 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1218 if( NextIntegerFromString( str, &temp ) ) return -1;
1219 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1222 /* time only: incremental or sudden-death time control */
1223 if(**str == '+') { /* increment follows; read it */
1225 if(**str == '!') type = *(*str)++; // Bronstein TC
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1227 *inc = temp2 * 1000;
1228 if(**str == '.') { // read fraction of increment
1229 char *start = ++(*str);
1230 if(result = NextIntegerFromString( str, &temp2)) return -1;
1232 while(start++ < *str) temp2 /= 10;
1236 *moves = 0; *tc = temp * 1000; *incType = type;
1240 (*str)++; /* classical time control */
1241 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1253 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1254 { /* [HGM] get time to add from the multi-session time-control string */
1255 int incType, moves=1; /* kludge to force reading of first session */
1256 long time, increment;
1259 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1261 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1262 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1263 if(movenr == -1) return time; /* last move before new session */
1264 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1265 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1266 if(!moves) return increment; /* current session is incremental */
1267 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1268 } while(movenr >= -1); /* try again for next session */
1270 return 0; // no new time quota on this move
1274 ParseTimeControl (char *tc, float ti, int mps)
1278 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1281 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1282 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1283 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1287 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1292 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1294 snprintf(buf, MSG_SIZ, ":%s", mytc);
1296 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1298 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1303 /* Parse second time control */
1306 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1314 timeControl_2 = tc2 * 1000;
1324 timeControl = tc1 * 1000;
1327 timeIncrement = ti * 1000; /* convert to ms */
1328 movesPerSession = 0;
1331 movesPerSession = mps;
1339 if (appData.debugMode) {
1340 fprintf(debugFP, "%s\n", programVersion);
1342 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1344 set_cont_sequence(appData.wrapContSeq);
1345 if (appData.matchGames > 0) {
1346 appData.matchMode = TRUE;
1347 } else if (appData.matchMode) {
1348 appData.matchGames = 1;
1350 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1351 appData.matchGames = appData.sameColorGames;
1352 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1353 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1354 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1357 if (appData.noChessProgram || first.protocolVersion == 1) {
1360 /* kludge: allow timeout for initial "feature" commands */
1362 DisplayMessage("", _("Starting chess program"));
1363 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1368 CalculateIndex (int index, int gameNr)
1369 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1371 if(index > 0) return index; // fixed nmber
1372 if(index == 0) return 1;
1373 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1374 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1379 LoadGameOrPosition (int gameNr)
1380 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1381 if (*appData.loadGameFile != NULLCHAR) {
1382 if (!LoadGameFromFile(appData.loadGameFile,
1383 CalculateIndex(appData.loadGameIndex, gameNr),
1384 appData.loadGameFile, FALSE)) {
1385 DisplayFatalError(_("Bad game file"), 0, 1);
1388 } else if (*appData.loadPositionFile != NULLCHAR) {
1389 if (!LoadPositionFromFile(appData.loadPositionFile,
1390 CalculateIndex(appData.loadPositionIndex, gameNr),
1391 appData.loadPositionFile)) {
1392 DisplayFatalError(_("Bad position file"), 0, 1);
1400 ReserveGame (int gameNr, char resChar)
1402 FILE *tf = fopen(appData.tourneyFile, "r+");
1403 char *p, *q, c, buf[MSG_SIZ];
1404 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1405 safeStrCpy(buf, lastMsg, MSG_SIZ);
1406 DisplayMessage(_("Pick new game"), "");
1407 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1408 ParseArgsFromFile(tf);
1409 p = q = appData.results;
1410 if(appData.debugMode) {
1411 char *r = appData.participants;
1412 fprintf(debugFP, "results = '%s'\n", p);
1413 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1414 fprintf(debugFP, "\n");
1416 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1418 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1419 safeStrCpy(q, p, strlen(p) + 2);
1420 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1421 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1422 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1423 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1426 fseek(tf, -(strlen(p)+4), SEEK_END);
1428 if(c != '"') // depending on DOS or Unix line endings we can be one off
1429 fseek(tf, -(strlen(p)+2), SEEK_END);
1430 else fseek(tf, -(strlen(p)+3), SEEK_END);
1431 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1432 DisplayMessage(buf, "");
1433 free(p); appData.results = q;
1434 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1435 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1436 int round = appData.defaultMatchGames * appData.tourneyType;
1437 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1438 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1439 UnloadEngine(&first); // next game belongs to other pairing;
1440 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1442 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1446 MatchEvent (int mode)
1447 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1449 if(matchMode) { // already in match mode: switch it off
1451 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1454 // if(gameMode != BeginningOfGame) {
1455 // DisplayError(_("You can only start a match from the initial position."), 0);
1459 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1460 /* Set up machine vs. machine match */
1462 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1463 if(appData.tourneyFile[0]) {
1465 if(nextGame > appData.matchGames) {
1467 if(strchr(appData.results, '*') == NULL) {
1469 appData.tourneyCycles++;
1470 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1472 NextTourneyGame(-1, &dummy);
1474 if(nextGame <= appData.matchGames) {
1475 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1477 ScheduleDelayedEvent(NextMatchGame, 10000);
1482 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1483 DisplayError(buf, 0);
1484 appData.tourneyFile[0] = 0;
1488 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1489 DisplayFatalError(_("Can't have a match with no chess programs"),
1494 matchGame = roundNr = 1;
1495 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1499 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1502 InitBackEnd3 P((void))
1504 GameMode initialMode;
1508 InitChessProgram(&first, startedFromSetupPosition);
1510 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1511 free(programVersion);
1512 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1513 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1514 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1517 if (appData.icsActive) {
1519 /* [DM] Make a console window if needed [HGM] merged ifs */
1525 if (*appData.icsCommPort != NULLCHAR)
1526 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1527 appData.icsCommPort);
1529 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1530 appData.icsHost, appData.icsPort);
1532 if( (len >= MSG_SIZ) && appData.debugMode )
1533 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1535 DisplayFatalError(buf, err, 1);
1540 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1542 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1543 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1544 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1545 } else if (appData.noChessProgram) {
1551 if (*appData.cmailGameName != NULLCHAR) {
1553 OpenLoopback(&cmailPR);
1555 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1559 DisplayMessage("", "");
1560 if (StrCaseCmp(appData.initialMode, "") == 0) {
1561 initialMode = BeginningOfGame;
1562 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1563 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1564 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1565 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1568 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1569 initialMode = TwoMachinesPlay;
1570 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1571 initialMode = AnalyzeFile;
1572 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1573 initialMode = AnalyzeMode;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1575 initialMode = MachinePlaysWhite;
1576 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1577 initialMode = MachinePlaysBlack;
1578 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1579 initialMode = EditGame;
1580 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1581 initialMode = EditPosition;
1582 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1583 initialMode = Training;
1585 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1586 if( (len >= MSG_SIZ) && appData.debugMode )
1587 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1589 DisplayFatalError(buf, 0, 2);
1593 if (appData.matchMode) {
1594 if(appData.tourneyFile[0]) { // start tourney from command line
1596 if(f = fopen(appData.tourneyFile, "r")) {
1597 ParseArgsFromFile(f); // make sure tourney parmeters re known
1599 appData.clockMode = TRUE;
1601 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1604 } else if (*appData.cmailGameName != NULLCHAR) {
1605 /* Set up cmail mode */
1606 ReloadCmailMsgEvent(TRUE);
1608 /* Set up other modes */
1609 if (initialMode == AnalyzeFile) {
1610 if (*appData.loadGameFile == NULLCHAR) {
1611 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1615 if (*appData.loadGameFile != NULLCHAR) {
1616 (void) LoadGameFromFile(appData.loadGameFile,
1617 appData.loadGameIndex,
1618 appData.loadGameFile, TRUE);
1619 } else if (*appData.loadPositionFile != NULLCHAR) {
1620 (void) LoadPositionFromFile(appData.loadPositionFile,
1621 appData.loadPositionIndex,
1622 appData.loadPositionFile);
1623 /* [HGM] try to make self-starting even after FEN load */
1624 /* to allow automatic setup of fairy variants with wtm */
1625 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1626 gameMode = BeginningOfGame;
1627 setboardSpoiledMachineBlack = 1;
1629 /* [HGM] loadPos: make that every new game uses the setup */
1630 /* from file as long as we do not switch variant */
1631 if(!blackPlaysFirst) {
1632 startedFromPositionFile = TRUE;
1633 CopyBoard(filePosition, boards[0]);
1636 if (initialMode == AnalyzeMode) {
1637 if (appData.noChessProgram) {
1638 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1641 if (appData.icsActive) {
1642 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1646 } else if (initialMode == AnalyzeFile) {
1647 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1648 ShowThinkingEvent();
1650 AnalysisPeriodicEvent(1);
1651 } else if (initialMode == MachinePlaysWhite) {
1652 if (appData.noChessProgram) {
1653 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1657 if (appData.icsActive) {
1658 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1662 MachineWhiteEvent();
1663 } else if (initialMode == MachinePlaysBlack) {
1664 if (appData.noChessProgram) {
1665 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1669 if (appData.icsActive) {
1670 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1674 MachineBlackEvent();
1675 } else if (initialMode == TwoMachinesPlay) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1687 } else if (initialMode == EditGame) {
1689 } else if (initialMode == EditPosition) {
1690 EditPositionEvent();
1691 } else if (initialMode == Training) {
1692 if (*appData.loadGameFile == NULLCHAR) {
1693 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1702 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1704 DisplayBook(current+1);
1706 MoveHistorySet( movelist, first, last, current, pvInfoList );
1708 EvalGraphSet( first, last, current, pvInfoList );
1710 MakeEngineOutputTitle();
1714 * Establish will establish a contact to a remote host.port.
1715 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1716 * used to talk to the host.
1717 * Returns 0 if okay, error code if not.
1724 if (*appData.icsCommPort != NULLCHAR) {
1725 /* Talk to the host through a serial comm port */
1726 return OpenCommPort(appData.icsCommPort, &icsPR);
1728 } else if (*appData.gateway != NULLCHAR) {
1729 if (*appData.remoteShell == NULLCHAR) {
1730 /* Use the rcmd protocol to run telnet program on a gateway host */
1731 snprintf(buf, sizeof(buf), "%s %s %s",
1732 appData.telnetProgram, appData.icsHost, appData.icsPort);
1733 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1736 /* Use the rsh program to run telnet program on a gateway host */
1737 if (*appData.remoteUser == NULLCHAR) {
1738 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1739 appData.gateway, appData.telnetProgram,
1740 appData.icsHost, appData.icsPort);
1742 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1743 appData.remoteShell, appData.gateway,
1744 appData.remoteUser, appData.telnetProgram,
1745 appData.icsHost, appData.icsPort);
1747 return StartChildProcess(buf, "", &icsPR);
1750 } else if (appData.useTelnet) {
1751 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1754 /* TCP socket interface differs somewhat between
1755 Unix and NT; handle details in the front end.
1757 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1762 EscapeExpand (char *p, char *q)
1763 { // [HGM] initstring: routine to shape up string arguments
1764 while(*p++ = *q++) if(p[-1] == '\\')
1766 case 'n': p[-1] = '\n'; break;
1767 case 'r': p[-1] = '\r'; break;
1768 case 't': p[-1] = '\t'; break;
1769 case '\\': p[-1] = '\\'; break;
1770 case 0: *p = 0; return;
1771 default: p[-1] = q[-1]; break;
1776 show_bytes (FILE *fp, char *buf, int count)
1779 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1780 fprintf(fp, "\\%03o", *buf & 0xff);
1789 /* Returns an errno value */
1791 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1793 char buf[8192], *p, *q, *buflim;
1794 int left, newcount, outcount;
1796 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1797 *appData.gateway != NULLCHAR) {
1798 if (appData.debugMode) {
1799 fprintf(debugFP, ">ICS: ");
1800 show_bytes(debugFP, message, count);
1801 fprintf(debugFP, "\n");
1803 return OutputToProcess(pr, message, count, outError);
1806 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1813 if (appData.debugMode) {
1814 fprintf(debugFP, ">ICS: ");
1815 show_bytes(debugFP, buf, newcount);
1816 fprintf(debugFP, "\n");
1818 outcount = OutputToProcess(pr, buf, newcount, outError);
1819 if (outcount < newcount) return -1; /* to be sure */
1826 } else if (((unsigned char) *p) == TN_IAC) {
1827 *q++ = (char) TN_IAC;
1834 if (appData.debugMode) {
1835 fprintf(debugFP, ">ICS: ");
1836 show_bytes(debugFP, buf, newcount);
1837 fprintf(debugFP, "\n");
1839 outcount = OutputToProcess(pr, buf, newcount, outError);
1840 if (outcount < newcount) return -1; /* to be sure */
1845 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1847 int outError, outCount;
1848 static int gotEof = 0;
1851 /* Pass data read from player on to ICS */
1854 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1855 if (outCount < count) {
1856 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 if(have_sent_ICS_logon == 2) {
1859 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1860 fprintf(ini, "%s", message);
1861 have_sent_ICS_logon = 3;
1863 have_sent_ICS_logon = 1;
1864 } else if(have_sent_ICS_logon == 3) {
1865 fprintf(ini, "%s", message);
1867 have_sent_ICS_logon = 1;
1869 } else if (count < 0) {
1870 RemoveInputSource(isr);
1871 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1872 } else if (gotEof++ > 0) {
1873 RemoveInputSource(isr);
1874 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1880 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1881 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1882 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1883 SendToICS("date\n");
1884 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1887 /* added routine for printf style output to ics */
1889 ics_printf (char *format, ...)
1891 char buffer[MSG_SIZ];
1894 va_start(args, format);
1895 vsnprintf(buffer, sizeof(buffer), format, args);
1896 buffer[sizeof(buffer)-1] = '\0';
1904 int count, outCount, outError;
1906 if (icsPR == NoProc) return;
1909 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1915 /* This is used for sending logon scripts to the ICS. Sending
1916 without a delay causes problems when using timestamp on ICC
1917 (at least on my machine). */
1919 SendToICSDelayed (char *s, long msdelay)
1921 int count, outCount, outError;
1923 if (icsPR == NoProc) return;
1926 if (appData.debugMode) {
1927 fprintf(debugFP, ">ICS: ");
1928 show_bytes(debugFP, s, count);
1929 fprintf(debugFP, "\n");
1931 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1933 if (outCount < count) {
1934 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* Remove all highlighting escape sequences in s
1940 Also deletes any suffix starting with '('
1943 StripHighlightAndTitle (char *s)
1945 static char retbuf[MSG_SIZ];
1948 while (*s != NULLCHAR) {
1949 while (*s == '\033') {
1950 while (*s != NULLCHAR && !isalpha(*s)) s++;
1951 if (*s != NULLCHAR) s++;
1953 while (*s != NULLCHAR && *s != '\033') {
1954 if (*s == '(' || *s == '[') {
1965 /* Remove all highlighting escape sequences in s */
1967 StripHighlight (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1985 char *variantNames[] = VARIANT_NAMES;
1987 VariantName (VariantClass v)
1989 return variantNames[v];
1993 /* Identify a variant from the strings the chess servers use or the
1994 PGN Variant tag names we use. */
1996 StringToVariant (char *e)
2000 VariantClass v = VariantNormal;
2001 int i, found = FALSE;
2007 /* [HGM] skip over optional board-size prefixes */
2008 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2009 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2010 while( *e++ != '_');
2013 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2017 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2018 if (StrCaseStr(e, variantNames[i])) {
2019 v = (VariantClass) i;
2026 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2027 || StrCaseStr(e, "wild/fr")
2028 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2029 v = VariantFischeRandom;
2030 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2031 (i = 1, p = StrCaseStr(e, "w"))) {
2033 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2040 case 0: /* FICS only, actually */
2042 /* Castling legal even if K starts on d-file */
2043 v = VariantWildCastle;
2048 /* Castling illegal even if K & R happen to start in
2049 normal positions. */
2050 v = VariantNoCastle;
2063 /* Castling legal iff K & R start in normal positions */
2069 /* Special wilds for position setup; unclear what to do here */
2070 v = VariantLoadable;
2073 /* Bizarre ICC game */
2074 v = VariantTwoKings;
2077 v = VariantKriegspiel;
2083 v = VariantFischeRandom;
2086 v = VariantCrazyhouse;
2089 v = VariantBughouse;
2095 /* Not quite the same as FICS suicide! */
2096 v = VariantGiveaway;
2102 v = VariantShatranj;
2105 /* Temporary names for future ICC types. The name *will* change in
2106 the next xboard/WinBoard release after ICC defines it. */
2144 v = VariantCapablanca;
2147 v = VariantKnightmate;
2153 v = VariantCylinder;
2159 v = VariantCapaRandom;
2162 v = VariantBerolina;
2174 /* Found "wild" or "w" in the string but no number;
2175 must assume it's normal chess. */
2179 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2180 if( (len >= MSG_SIZ) && appData.debugMode )
2181 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2183 DisplayError(buf, 0);
2189 if (appData.debugMode) {
2190 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2191 e, wnum, VariantName(v));
2196 static int leftover_start = 0, leftover_len = 0;
2197 char star_match[STAR_MATCH_N][MSG_SIZ];
2199 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2200 advance *index beyond it, and set leftover_start to the new value of
2201 *index; else return FALSE. If pattern contains the character '*', it
2202 matches any sequence of characters not containing '\r', '\n', or the
2203 character following the '*' (if any), and the matched sequence(s) are
2204 copied into star_match.
2207 looking_at ( char *buf, int *index, char *pattern)
2209 char *bufp = &buf[*index], *patternp = pattern;
2211 char *matchp = star_match[0];
2214 if (*patternp == NULLCHAR) {
2215 *index = leftover_start = bufp - buf;
2219 if (*bufp == NULLCHAR) return FALSE;
2220 if (*patternp == '*') {
2221 if (*bufp == *(patternp + 1)) {
2223 matchp = star_match[++star_count];
2227 } else if (*bufp == '\n' || *bufp == '\r') {
2229 if (*patternp == NULLCHAR)
2234 *matchp++ = *bufp++;
2238 if (*patternp != *bufp) return FALSE;
2245 SendToPlayer (char *data, int length)
2247 int error, outCount;
2248 outCount = OutputToProcess(NoProc, data, length, &error);
2249 if (outCount < length) {
2250 DisplayFatalError(_("Error writing to display"), error, 1);
2255 PackHolding (char packed[], char *holding)
2265 switch (runlength) {
2276 sprintf(q, "%d", runlength);
2288 /* Telnet protocol requests from the front end */
2290 TelnetRequest (unsigned char ddww, unsigned char option)
2292 unsigned char msg[3];
2293 int outCount, outError;
2295 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2297 if (appData.debugMode) {
2298 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2314 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2323 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2326 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2331 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2333 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2340 if (!appData.icsActive) return;
2341 TelnetRequest(TN_DO, TN_ECHO);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DONT, TN_ECHO);
2352 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2354 /* put the holdings sent to us by the server on the board holdings area */
2355 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2359 if(gameInfo.holdingsWidth < 2) return;
2360 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2361 return; // prevent overwriting by pre-board holdings
2363 if( (int)lowestPiece >= BlackPawn ) {
2366 holdingsStartRow = BOARD_HEIGHT-1;
2369 holdingsColumn = BOARD_WIDTH-1;
2370 countsColumn = BOARD_WIDTH-2;
2371 holdingsStartRow = 0;
2375 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2376 board[i][holdingsColumn] = EmptySquare;
2377 board[i][countsColumn] = (ChessSquare) 0;
2379 while( (p=*holdings++) != NULLCHAR ) {
2380 piece = CharToPiece( ToUpper(p) );
2381 if(piece == EmptySquare) continue;
2382 /*j = (int) piece - (int) WhitePawn;*/
2383 j = PieceToNumber(piece);
2384 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2385 if(j < 0) continue; /* should not happen */
2386 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2387 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2388 board[holdingsStartRow+j*direction][countsColumn]++;
2394 VariantSwitch (Board board, VariantClass newVariant)
2396 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2397 static Board oldBoard;
2399 startedFromPositionFile = FALSE;
2400 if(gameInfo.variant == newVariant) return;
2402 /* [HGM] This routine is called each time an assignment is made to
2403 * gameInfo.variant during a game, to make sure the board sizes
2404 * are set to match the new variant. If that means adding or deleting
2405 * holdings, we shift the playing board accordingly
2406 * This kludge is needed because in ICS observe mode, we get boards
2407 * of an ongoing game without knowing the variant, and learn about the
2408 * latter only later. This can be because of the move list we requested,
2409 * in which case the game history is refilled from the beginning anyway,
2410 * but also when receiving holdings of a crazyhouse game. In the latter
2411 * case we want to add those holdings to the already received position.
2415 if (appData.debugMode) {
2416 fprintf(debugFP, "Switch board from %s to %s\n",
2417 VariantName(gameInfo.variant), VariantName(newVariant));
2418 setbuf(debugFP, NULL);
2420 shuffleOpenings = 0; /* [HGM] shuffle */
2421 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2425 newWidth = 9; newHeight = 9;
2426 gameInfo.holdingsSize = 7;
2427 case VariantBughouse:
2428 case VariantCrazyhouse:
2429 newHoldingsWidth = 2; break;
2433 newHoldingsWidth = 2;
2434 gameInfo.holdingsSize = 8;
2437 case VariantCapablanca:
2438 case VariantCapaRandom:
2441 newHoldingsWidth = gameInfo.holdingsSize = 0;
2444 if(newWidth != gameInfo.boardWidth ||
2445 newHeight != gameInfo.boardHeight ||
2446 newHoldingsWidth != gameInfo.holdingsWidth ) {
2448 /* shift position to new playing area, if needed */
2449 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2450 for(i=0; i<BOARD_HEIGHT; i++)
2451 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2452 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2454 for(i=0; i<newHeight; i++) {
2455 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2456 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2458 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2459 for(i=0; i<BOARD_HEIGHT; i++)
2460 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2461 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2464 board[HOLDINGS_SET] = 0;
2465 gameInfo.boardWidth = newWidth;
2466 gameInfo.boardHeight = newHeight;
2467 gameInfo.holdingsWidth = newHoldingsWidth;
2468 gameInfo.variant = newVariant;
2469 InitDrawingSizes(-2, 0);
2470 } else gameInfo.variant = newVariant;
2471 CopyBoard(oldBoard, board); // remember correctly formatted board
2472 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2473 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2476 static int loggedOn = FALSE;
2478 /*-- Game start info cache: --*/
2480 char gs_kind[MSG_SIZ];
2481 static char player1Name[128] = "";
2482 static char player2Name[128] = "";
2483 static char cont_seq[] = "\n\\ ";
2484 static int player1Rating = -1;
2485 static int player2Rating = -1;
2486 /*----------------------------*/
2488 ColorClass curColor = ColorNormal;
2489 int suppressKibitz = 0;
2492 Boolean soughtPending = FALSE;
2493 Boolean seekGraphUp;
2494 #define MAX_SEEK_ADS 200
2496 char *seekAdList[MAX_SEEK_ADS];
2497 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2498 float tcList[MAX_SEEK_ADS];
2499 char colorList[MAX_SEEK_ADS];
2500 int nrOfSeekAds = 0;
2501 int minRating = 1010, maxRating = 2800;
2502 int hMargin = 10, vMargin = 20, h, w;
2503 extern int squareSize, lineGap;
2508 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2509 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2510 if(r < minRating+100 && r >=0 ) r = minRating+100;
2511 if(r > maxRating) r = maxRating;
2512 if(tc < 1.f) tc = 1.f;
2513 if(tc > 95.f) tc = 95.f;
2514 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2515 y = ((double)r - minRating)/(maxRating - minRating)
2516 * (h-vMargin-squareSize/8-1) + vMargin;
2517 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2518 if(strstr(seekAdList[i], " u ")) color = 1;
2519 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2520 !strstr(seekAdList[i], "bullet") &&
2521 !strstr(seekAdList[i], "blitz") &&
2522 !strstr(seekAdList[i], "standard") ) color = 2;
2523 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2524 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2528 PlotSingleSeekAd (int i)
2534 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2536 char buf[MSG_SIZ], *ext = "";
2537 VariantClass v = StringToVariant(type);
2538 if(strstr(type, "wild")) {
2539 ext = type + 4; // append wild number
2540 if(v == VariantFischeRandom) type = "chess960"; else
2541 if(v == VariantLoadable) type = "setup"; else
2542 type = VariantName(v);
2544 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2545 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2546 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2547 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2548 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2549 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2550 seekNrList[nrOfSeekAds] = nr;
2551 zList[nrOfSeekAds] = 0;
2552 seekAdList[nrOfSeekAds++] = StrSave(buf);
2553 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2558 EraseSeekDot (int i)
2560 int x = xList[i], y = yList[i], d=squareSize/4, k;
2561 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2562 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2563 // now replot every dot that overlapped
2564 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2565 int xx = xList[k], yy = yList[k];
2566 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2567 DrawSeekDot(xx, yy, colorList[k]);
2572 RemoveSeekAd (int nr)
2575 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2577 if(seekAdList[i]) free(seekAdList[i]);
2578 seekAdList[i] = seekAdList[--nrOfSeekAds];
2579 seekNrList[i] = seekNrList[nrOfSeekAds];
2580 ratingList[i] = ratingList[nrOfSeekAds];
2581 colorList[i] = colorList[nrOfSeekAds];
2582 tcList[i] = tcList[nrOfSeekAds];
2583 xList[i] = xList[nrOfSeekAds];
2584 yList[i] = yList[nrOfSeekAds];
2585 zList[i] = zList[nrOfSeekAds];
2586 seekAdList[nrOfSeekAds] = NULL;
2592 MatchSoughtLine (char *line)
2594 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2595 int nr, base, inc, u=0; char dummy;
2597 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2598 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2600 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2601 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2602 // match: compact and save the line
2603 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2613 if(!seekGraphUp) return FALSE;
2614 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2615 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2617 DrawSeekBackground(0, 0, w, h);
2618 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2619 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2620 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2621 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2623 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2626 snprintf(buf, MSG_SIZ, "%d", i);
2627 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2630 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2631 for(i=1; i<100; i+=(i<10?1:5)) {
2632 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2633 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2634 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2636 snprintf(buf, MSG_SIZ, "%d", i);
2637 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2640 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2645 SeekGraphClick (ClickType click, int x, int y, int moving)
2647 static int lastDown = 0, displayed = 0, lastSecond;
2648 if(y < 0) return FALSE;
2649 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2650 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2651 if(!seekGraphUp) return FALSE;
2652 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2653 DrawPosition(TRUE, NULL);
2656 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2657 if(click == Release || moving) return FALSE;
2659 soughtPending = TRUE;
2660 SendToICS(ics_prefix);
2661 SendToICS("sought\n"); // should this be "sought all"?
2662 } else { // issue challenge based on clicked ad
2663 int dist = 10000; int i, closest = 0, second = 0;
2664 for(i=0; i<nrOfSeekAds; i++) {
2665 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2666 if(d < dist) { dist = d; closest = i; }
2667 second += (d - zList[i] < 120); // count in-range ads
2668 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2672 second = (second > 1);
2673 if(displayed != closest || second != lastSecond) {
2674 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2675 lastSecond = second; displayed = closest;
2677 if(click == Press) {
2678 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2681 } // on press 'hit', only show info
2682 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2683 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2684 SendToICS(ics_prefix);
2686 return TRUE; // let incoming board of started game pop down the graph
2687 } else if(click == Release) { // release 'miss' is ignored
2688 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2689 if(moving == 2) { // right up-click
2690 nrOfSeekAds = 0; // refresh graph
2691 soughtPending = TRUE;
2692 SendToICS(ics_prefix);
2693 SendToICS("sought\n"); // should this be "sought all"?
2696 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2697 // press miss or release hit 'pop down' seek graph
2698 seekGraphUp = FALSE;
2699 DrawPosition(TRUE, NULL);
2705 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2707 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2708 #define STARTED_NONE 0
2709 #define STARTED_MOVES 1
2710 #define STARTED_BOARD 2
2711 #define STARTED_OBSERVE 3
2712 #define STARTED_HOLDINGS 4
2713 #define STARTED_CHATTER 5
2714 #define STARTED_COMMENT 6
2715 #define STARTED_MOVES_NOHIDE 7
2717 static int started = STARTED_NONE;
2718 static char parse[20000];
2719 static int parse_pos = 0;
2720 static char buf[BUF_SIZE + 1];
2721 static int firstTime = TRUE, intfSet = FALSE;
2722 static ColorClass prevColor = ColorNormal;
2723 static int savingComment = FALSE;
2724 static int cmatch = 0; // continuation sequence match
2731 int backup; /* [DM] For zippy color lines */
2733 char talker[MSG_SIZ]; // [HGM] chat
2736 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2738 if (appData.debugMode) {
2740 fprintf(debugFP, "<ICS: ");
2741 show_bytes(debugFP, data, count);
2742 fprintf(debugFP, "\n");
2746 if (appData.debugMode) { int f = forwardMostMove;
2747 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2748 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2749 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2752 /* If last read ended with a partial line that we couldn't parse,
2753 prepend it to the new read and try again. */
2754 if (leftover_len > 0) {
2755 for (i=0; i<leftover_len; i++)
2756 buf[i] = buf[leftover_start + i];
2759 /* copy new characters into the buffer */
2760 bp = buf + leftover_len;
2761 buf_len=leftover_len;
2762 for (i=0; i<count; i++)
2765 if (data[i] == '\r')
2768 // join lines split by ICS?
2769 if (!appData.noJoin)
2772 Joining just consists of finding matches against the
2773 continuation sequence, and discarding that sequence
2774 if found instead of copying it. So, until a match
2775 fails, there's nothing to do since it might be the
2776 complete sequence, and thus, something we don't want
2779 if (data[i] == cont_seq[cmatch])
2782 if (cmatch == strlen(cont_seq))
2784 cmatch = 0; // complete match. just reset the counter
2787 it's possible for the ICS to not include the space
2788 at the end of the last word, making our [correct]
2789 join operation fuse two separate words. the server
2790 does this when the space occurs at the width setting.
2792 if (!buf_len || buf[buf_len-1] != ' ')
2803 match failed, so we have to copy what matched before
2804 falling through and copying this character. In reality,
2805 this will only ever be just the newline character, but
2806 it doesn't hurt to be precise.
2808 strncpy(bp, cont_seq, cmatch);
2820 buf[buf_len] = NULLCHAR;
2821 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2826 while (i < buf_len) {
2827 /* Deal with part of the TELNET option negotiation
2828 protocol. We refuse to do anything beyond the
2829 defaults, except that we allow the WILL ECHO option,
2830 which ICS uses to turn off password echoing when we are
2831 directly connected to it. We reject this option
2832 if localLineEditing mode is on (always on in xboard)
2833 and we are talking to port 23, which might be a real
2834 telnet server that will try to keep WILL ECHO on permanently.
2836 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2837 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2838 unsigned char option;
2840 switch ((unsigned char) buf[++i]) {
2842 if (appData.debugMode)
2843 fprintf(debugFP, "\n<WILL ");
2844 switch (option = (unsigned char) buf[++i]) {
2846 if (appData.debugMode)
2847 fprintf(debugFP, "ECHO ");
2848 /* Reply only if this is a change, according
2849 to the protocol rules. */
2850 if (remoteEchoOption) break;
2851 if (appData.localLineEditing &&
2852 atoi(appData.icsPort) == TN_PORT) {
2853 TelnetRequest(TN_DONT, TN_ECHO);
2856 TelnetRequest(TN_DO, TN_ECHO);
2857 remoteEchoOption = TRUE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", option);
2863 /* Whatever this is, we don't want it. */
2864 TelnetRequest(TN_DONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<WONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "ECHO ");
2875 /* Reply only if this is a change, according
2876 to the protocol rules. */
2877 if (!remoteEchoOption) break;
2879 TelnetRequest(TN_DONT, TN_ECHO);
2880 remoteEchoOption = FALSE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", (unsigned char) option);
2885 /* Whatever this is, it must already be turned
2886 off, because we never agree to turn on
2887 anything non-default, so according to the
2888 protocol rules, we don't reply. */
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<DO ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 /* Whatever this is, we refuse to do it. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "%d ", option);
2900 TelnetRequest(TN_WONT, option);
2905 if (appData.debugMode)
2906 fprintf(debugFP, "\n<DONT ");
2907 switch (option = (unsigned char) buf[++i]) {
2909 if (appData.debugMode)
2910 fprintf(debugFP, "%d ", option);
2911 /* Whatever this is, we are already not doing
2912 it, because we never agree to do anything
2913 non-default, so according to the protocol
2914 rules, we don't reply. */
2919 if (appData.debugMode)
2920 fprintf(debugFP, "\n<IAC ");
2921 /* Doubled IAC; pass it through */
2925 if (appData.debugMode)
2926 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2927 /* Drop all other telnet commands on the floor */
2930 if (oldi > next_out)
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2937 /* OK, this at least will *usually* work */
2938 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2942 if (loggedOn && !intfSet) {
2943 if (ics_type == ICS_ICC) {
2944 snprintf(str, MSG_SIZ,
2945 "/set-quietly interface %s\n/set-quietly style 12\n",
2947 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2948 strcat(str, "/set-2 51 1\n/set seek 1\n");
2949 } else if (ics_type == ICS_CHESSNET) {
2950 snprintf(str, MSG_SIZ, "/style 12\n");
2952 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2953 strcat(str, programVersion);
2954 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2955 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2956 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2958 strcat(str, "$iset nohighlight 1\n");
2960 strcat(str, "$iset lock 1\n$style 12\n");
2963 NotifyFrontendLogin();
2967 if (started == STARTED_COMMENT) {
2968 /* Accumulate characters in comment */
2969 parse[parse_pos++] = buf[i];
2970 if (buf[i] == '\n') {
2971 parse[parse_pos] = NULLCHAR;
2972 if(chattingPartner>=0) {
2974 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2975 OutputChatMessage(chattingPartner, mess);
2976 chattingPartner = -1;
2977 next_out = i+1; // [HGM] suppress printing in ICS window
2979 if(!suppressKibitz) // [HGM] kibitz
2980 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2981 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2982 int nrDigit = 0, nrAlph = 0, j;
2983 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2984 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2985 parse[parse_pos] = NULLCHAR;
2986 // try to be smart: if it does not look like search info, it should go to
2987 // ICS interaction window after all, not to engine-output window.
2988 for(j=0; j<parse_pos; j++) { // count letters and digits
2989 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2990 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2991 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2993 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2994 int depth=0; float score;
2995 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2996 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2997 pvInfoList[forwardMostMove-1].depth = depth;
2998 pvInfoList[forwardMostMove-1].score = 100*score;
3000 OutputKibitz(suppressKibitz, parse);
3003 if(gameMode == IcsObserving) // restore original ICS messages
3004 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3006 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3007 SendToPlayer(tmp, strlen(tmp));
3009 next_out = i+1; // [HGM] suppress printing in ICS window
3011 started = STARTED_NONE;
3013 /* Don't match patterns against characters in comment */
3018 if (started == STARTED_CHATTER) {
3019 if (buf[i] != '\n') {
3020 /* Don't match patterns against characters in chatter */
3024 started = STARTED_NONE;
3025 if(suppressKibitz) next_out = i+1;
3028 /* Kludge to deal with rcmd protocol */
3029 if (firstTime && looking_at(buf, &i, "\001*")) {
3030 DisplayFatalError(&buf[1], 0, 1);
3036 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3039 if (appData.debugMode)
3040 fprintf(debugFP, "ics_type %d\n", ics_type);
3043 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3044 ics_type = ICS_FICS;
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3051 ics_type = ICS_CHESSNET;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3059 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3060 looking_at(buf, &i, "Logging you in as \"*\"") ||
3061 looking_at(buf, &i, "will be \"*\""))) {
3062 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3066 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3068 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3069 DisplayIcsInteractionTitle(buf);
3070 have_set_title = TRUE;
3073 /* skip finger notes */
3074 if (started == STARTED_NONE &&
3075 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3076 (buf[i] == '1' && buf[i+1] == '0')) &&
3077 buf[i+2] == ':' && buf[i+3] == ' ') {
3078 started = STARTED_CHATTER;
3084 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3085 if(appData.seekGraph) {
3086 if(soughtPending && MatchSoughtLine(buf+i)) {
3087 i = strstr(buf+i, "rated") - buf;
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = leftover_start = i;
3090 started = STARTED_CHATTER;
3091 suppressKibitz = TRUE;
3094 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3095 && looking_at(buf, &i, "* ads displayed")) {
3096 soughtPending = FALSE;
3101 if(appData.autoRefresh) {
3102 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3103 int s = (ics_type == ICS_ICC); // ICC format differs
3105 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3106 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3107 looking_at(buf, &i, "*% "); // eat prompt
3108 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3109 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3110 next_out = i; // suppress
3113 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3114 char *p = star_match[0];
3116 if(seekGraphUp) RemoveSeekAd(atoi(p));
3117 while(*p && *p++ != ' '); // next
3119 looking_at(buf, &i, "*% "); // eat prompt
3120 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 /* skip formula vars */
3128 if (started == STARTED_NONE &&
3129 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3130 started = STARTED_CHATTER;
3135 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3136 if (appData.autoKibitz && started == STARTED_NONE &&
3137 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3138 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3139 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3140 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3141 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3142 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3143 suppressKibitz = TRUE;
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3146 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3147 && (gameMode == IcsPlayingWhite)) ||
3148 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3149 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3150 started = STARTED_CHATTER; // own kibitz we simply discard
3152 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = TRUE;
3155 suppressKibitz = gameMode != IcsObserving ? 2 :
3156 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3160 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3161 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3162 && atoi(star_match[0])) {
3163 // suppress the acknowledgements of our own autoKibitz
3165 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3166 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3167 SendToPlayer(star_match[0], strlen(star_match[0]));
3168 if(looking_at(buf, &i, "*% ")) // eat prompt
3169 suppressKibitz = FALSE;
3173 } // [HGM] kibitz: end of patch
3175 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3177 // [HGM] chat: intercept tells by users for which we have an open chat window
3179 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3180 looking_at(buf, &i, "* whispers:") ||
3181 looking_at(buf, &i, "* kibitzes:") ||
3182 looking_at(buf, &i, "* shouts:") ||
3183 looking_at(buf, &i, "* c-shouts:") ||
3184 looking_at(buf, &i, "--> * ") ||
3185 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3190 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3191 chattingPartner = -1;
3193 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3196 talker[0] = '['; strcat(talker, "] ");
3197 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3198 chattingPartner = p; break;
3201 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("kibitzes", chatPartner[p])) {
3204 talker[0] = '['; strcat(talker, "] ");
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("whispers", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3216 if(buf[i-8] == '-' && buf[i-3] == 't')
3217 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3218 if(!strcmp("c-shouts", chatPartner[p])) {
3219 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3220 chattingPartner = p; break;
3223 if(chattingPartner < 0)
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("shouts", chatPartner[p])) {
3226 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3227 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3228 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3229 chattingPartner = p; break;
3233 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3234 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3235 talker[0] = 0; Colorize(ColorTell, FALSE);
3236 chattingPartner = p; break;
3238 if(chattingPartner<0) i = oldi; else {
3239 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 started = STARTED_COMMENT;
3243 parse_pos = 0; parse[0] = NULLCHAR;
3244 savingComment = 3 + chattingPartner; // counts as TRUE
3245 suppressKibitz = TRUE;
3248 } // [HGM] chat: end of patch
3251 if (appData.zippyTalk || appData.zippyPlay) {
3252 /* [DM] Backup address for color zippy lines */
3254 if (loggedOn == TRUE)
3255 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3256 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3258 } // [DM] 'else { ' deleted
3260 /* Regular tells and says */
3261 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3262 looking_at(buf, &i, "* (your partner) tells you: ") ||
3263 looking_at(buf, &i, "* says: ") ||
3264 /* Don't color "message" or "messages" output */
3265 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3266 looking_at(buf, &i, "*. * at *:*: ") ||
3267 looking_at(buf, &i, "--* (*:*): ") ||
3268 /* Message notifications (same color as tells) */
3269 looking_at(buf, &i, "* has left a message ") ||
3270 looking_at(buf, &i, "* just sent you a message:\n") ||
3271 /* Whispers and kibitzes */
3272 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3273 looking_at(buf, &i, "* kibitzes: ") ||
3275 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3277 if (tkind == 1 && strchr(star_match[0], ':')) {
3278 /* Avoid "tells you:" spoofs in channels */
3281 if (star_match[0][0] == NULLCHAR ||
3282 strchr(star_match[0], ' ') ||
3283 (tkind == 3 && strchr(star_match[1], ' '))) {
3284 /* Reject bogus matches */
3287 if (appData.colorize) {
3288 if (oldi > next_out) {
3289 SendToPlayer(&buf[next_out], oldi - next_out);
3294 Colorize(ColorTell, FALSE);
3295 curColor = ColorTell;
3298 Colorize(ColorKibitz, FALSE);
3299 curColor = ColorKibitz;
3302 p = strrchr(star_match[1], '(');
3309 Colorize(ColorChannel1, FALSE);
3310 curColor = ColorChannel1;
3312 Colorize(ColorChannel, FALSE);
3313 curColor = ColorChannel;
3317 curColor = ColorNormal;
3321 if (started == STARTED_NONE && appData.autoComment &&
3322 (gameMode == IcsObserving ||
3323 gameMode == IcsPlayingWhite ||
3324 gameMode == IcsPlayingBlack)) {
3325 parse_pos = i - oldi;
3326 memcpy(parse, &buf[oldi], parse_pos);
3327 parse[parse_pos] = NULLCHAR;
3328 started = STARTED_COMMENT;
3329 savingComment = TRUE;
3331 started = STARTED_CHATTER;
3332 savingComment = FALSE;
3339 if (looking_at(buf, &i, "* s-shouts: ") ||
3340 looking_at(buf, &i, "* c-shouts: ")) {
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3346 Colorize(ColorSShout, FALSE);
3347 curColor = ColorSShout;
3350 started = STARTED_CHATTER;
3354 if (looking_at(buf, &i, "--->")) {
3359 if (looking_at(buf, &i, "* shouts: ") ||
3360 looking_at(buf, &i, "--> ")) {
3361 if (appData.colorize) {
3362 if (oldi > next_out) {
3363 SendToPlayer(&buf[next_out], oldi - next_out);
3366 Colorize(ColorShout, FALSE);
3367 curColor = ColorShout;
3370 started = STARTED_CHATTER;
3374 if (looking_at( buf, &i, "Challenge:")) {
3375 if (appData.colorize) {
3376 if (oldi > next_out) {
3377 SendToPlayer(&buf[next_out], oldi - next_out);
3380 Colorize(ColorChallenge, FALSE);
3381 curColor = ColorChallenge;
3387 if (looking_at(buf, &i, "* offers you") ||
3388 looking_at(buf, &i, "* offers to be") ||
3389 looking_at(buf, &i, "* would like to") ||
3390 looking_at(buf, &i, "* requests to") ||
3391 looking_at(buf, &i, "Your opponent offers") ||
3392 looking_at(buf, &i, "Your opponent requests")) {
3394 if (appData.colorize) {
3395 if (oldi > next_out) {
3396 SendToPlayer(&buf[next_out], oldi - next_out);
3399 Colorize(ColorRequest, FALSE);
3400 curColor = ColorRequest;
3405 if (looking_at(buf, &i, "* (*) seeking")) {
3406 if (appData.colorize) {
3407 if (oldi > next_out) {
3408 SendToPlayer(&buf[next_out], oldi - next_out);
3411 Colorize(ColorSeek, FALSE);
3412 curColor = ColorSeek;
3417 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3419 if (looking_at(buf, &i, "\\ ")) {
3420 if (prevColor != ColorNormal) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 Colorize(prevColor, TRUE);
3426 curColor = prevColor;
3428 if (savingComment) {
3429 parse_pos = i - oldi;
3430 memcpy(parse, &buf[oldi], parse_pos);
3431 parse[parse_pos] = NULLCHAR;
3432 started = STARTED_COMMENT;
3433 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3434 chattingPartner = savingComment - 3; // kludge to remember the box
3436 started = STARTED_CHATTER;
3441 if (looking_at(buf, &i, "Black Strength :") ||
3442 looking_at(buf, &i, "<<< style 10 board >>>") ||
3443 looking_at(buf, &i, "<10>") ||
3444 looking_at(buf, &i, "#@#")) {
3445 /* Wrong board style */
3447 SendToICS(ics_prefix);
3448 SendToICS("set style 12\n");
3449 SendToICS(ics_prefix);
3450 SendToICS("refresh\n");
3454 if (looking_at(buf, &i, "login:")) {
3455 if (!have_sent_ICS_logon) {
3457 have_sent_ICS_logon = 1;
3458 else // no init script was found
3459 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3460 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3461 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3466 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3467 (looking_at(buf, &i, "\n<12> ") ||
3468 looking_at(buf, &i, "<12> "))) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 started = STARTED_BOARD;
3479 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3480 looking_at(buf, &i, "<b1> ")) {
3481 if (oldi > next_out) {
3482 SendToPlayer(&buf[next_out], oldi - next_out);
3485 started = STARTED_HOLDINGS;
3490 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3492 /* Header for a move list -- first line */
3494 switch (ics_getting_history) {
3498 case BeginningOfGame:
3499 /* User typed "moves" or "oldmoves" while we
3500 were idle. Pretend we asked for these
3501 moves and soak them up so user can step
3502 through them and/or save them.
3505 gameMode = IcsObserving;
3508 ics_getting_history = H_GOT_UNREQ_HEADER;
3510 case EditGame: /*?*/
3511 case EditPosition: /*?*/
3512 /* Should above feature work in these modes too? */
3513 /* For now it doesn't */
3514 ics_getting_history = H_GOT_UNWANTED_HEADER;
3517 ics_getting_history = H_GOT_UNWANTED_HEADER;
3522 /* Is this the right one? */
3523 if (gameInfo.white && gameInfo.black &&
3524 strcmp(gameInfo.white, star_match[0]) == 0 &&
3525 strcmp(gameInfo.black, star_match[2]) == 0) {
3527 ics_getting_history = H_GOT_REQ_HEADER;
3530 case H_GOT_REQ_HEADER:
3531 case H_GOT_UNREQ_HEADER:
3532 case H_GOT_UNWANTED_HEADER:
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: two headers"), 0);
3536 ics_getting_history = H_FALSE;
3540 /* Save player ratings into gameInfo if needed */
3541 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3542 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3543 (gameInfo.whiteRating == -1 ||
3544 gameInfo.blackRating == -1)) {
3546 gameInfo.whiteRating = string_to_rating(star_match[1]);
3547 gameInfo.blackRating = string_to_rating(star_match[3]);
3548 if (appData.debugMode)
3549 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3550 gameInfo.whiteRating, gameInfo.blackRating);
3555 if (looking_at(buf, &i,
3556 "* * match, initial time: * minute*, increment: * second")) {
3557 /* Header for a move list -- second line */
3558 /* Initial board will follow if this is a wild game */
3559 if (gameInfo.event != NULL) free(gameInfo.event);
3560 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3561 gameInfo.event = StrSave(str);
3562 /* [HGM] we switched variant. Translate boards if needed. */
3563 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3567 if (looking_at(buf, &i, "Move ")) {
3568 /* Beginning of a move list */
3569 switch (ics_getting_history) {
3571 /* Normally should not happen */
3572 /* Maybe user hit reset while we were parsing */
3575 /* Happens if we are ignoring a move list that is not
3576 * the one we just requested. Common if the user
3577 * tries to observe two games without turning off
3580 case H_GETTING_MOVES:
3581 /* Should not happen */
3582 DisplayError(_("Error gathering move list: nested"), 0);
3583 ics_getting_history = H_FALSE;
3585 case H_GOT_REQ_HEADER:
3586 ics_getting_history = H_GETTING_MOVES;
3587 started = STARTED_MOVES;
3589 if (oldi > next_out) {
3590 SendToPlayer(&buf[next_out], oldi - next_out);
3593 case H_GOT_UNREQ_HEADER:
3594 ics_getting_history = H_GETTING_MOVES;
3595 started = STARTED_MOVES_NOHIDE;
3598 case H_GOT_UNWANTED_HEADER:
3599 ics_getting_history = H_FALSE;
3605 if (looking_at(buf, &i, "% ") ||
3606 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3607 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3608 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3609 soughtPending = FALSE;
3613 if(suppressKibitz) next_out = i;
3614 savingComment = FALSE;
3618 case STARTED_MOVES_NOHIDE:
3619 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3620 parse[parse_pos + i - oldi] = NULLCHAR;
3621 ParseGameHistory(parse);
3623 if (appData.zippyPlay && first.initDone) {
3624 FeedMovesToProgram(&first, forwardMostMove);
3625 if (gameMode == IcsPlayingWhite) {
3626 if (WhiteOnMove(forwardMostMove)) {
3627 if (first.sendTime) {
3628 if (first.useColors) {
3629 SendToProgram("black\n", &first);
3631 SendTimeRemaining(&first, TRUE);
3633 if (first.useColors) {
3634 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3637 first.maybeThinking = TRUE;
3639 if (first.usePlayother) {
3640 if (first.sendTime) {
3641 SendTimeRemaining(&first, TRUE);
3643 SendToProgram("playother\n", &first);
3649 } else if (gameMode == IcsPlayingBlack) {
3650 if (!WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("white\n", &first);
3655 SendTimeRemaining(&first, FALSE);
3657 if (first.useColors) {
3658 SendToProgram("black\n", &first);
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, FALSE);
3667 SendToProgram("playother\n", &first);
3676 if (gameMode == IcsObserving && ics_gamenum == -1) {
3677 /* Moves came from oldmoves or moves command
3678 while we weren't doing anything else.
3680 currentMove = forwardMostMove;
3681 ClearHighlights();/*!!could figure this out*/
3682 flipView = appData.flipView;
3683 DrawPosition(TRUE, boards[currentMove]);
3684 DisplayBothClocks();
3685 snprintf(str, MSG_SIZ, "%s %s %s",
3686 gameInfo.white, _("vs."), gameInfo.black);
3690 /* Moves were history of an active game */
3691 if (gameInfo.resultDetails != NULL) {
3692 free(gameInfo.resultDetails);
3693 gameInfo.resultDetails = NULL;
3696 HistorySet(parseList, backwardMostMove,
3697 forwardMostMove, currentMove-1);
3698 DisplayMove(currentMove - 1);
3699 if (started == STARTED_MOVES) next_out = i;
3700 started = STARTED_NONE;
3701 ics_getting_history = H_FALSE;
3704 case STARTED_OBSERVE:
3705 started = STARTED_NONE;
3706 SendToICS(ics_prefix);
3707 SendToICS("refresh\n");
3713 if(bookHit) { // [HGM] book: simulate book reply
3714 static char bookMove[MSG_SIZ]; // a bit generous?
3716 programStats.nodes = programStats.depth = programStats.time =
3717 programStats.score = programStats.got_only_move = 0;
3718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3720 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3721 strcat(bookMove, bookHit);
3722 HandleMachineMove(bookMove, &first);
3727 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3728 started == STARTED_HOLDINGS ||
3729 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3730 /* Accumulate characters in move list or board */
3731 parse[parse_pos++] = buf[i];
3734 /* Start of game messages. Mostly we detect start of game
3735 when the first board image arrives. On some versions
3736 of the ICS, though, we need to do a "refresh" after starting
3737 to observe in order to get the current board right away. */
3738 if (looking_at(buf, &i, "Adding game * to observation list")) {
3739 started = STARTED_OBSERVE;
3743 /* Handle auto-observe */
3744 if (appData.autoObserve &&
3745 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3746 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3748 /* Choose the player that was highlighted, if any. */
3749 if (star_match[0][0] == '\033' ||
3750 star_match[1][0] != '\033') {
3751 player = star_match[0];
3753 player = star_match[2];
3755 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3756 ics_prefix, StripHighlightAndTitle(player));
3759 /* Save ratings from notify string */
3760 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3761 player1Rating = string_to_rating(star_match[1]);
3762 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3763 player2Rating = string_to_rating(star_match[3]);
3765 if (appData.debugMode)
3767 "Ratings from 'Game notification:' %s %d, %s %d\n",
3768 player1Name, player1Rating,
3769 player2Name, player2Rating);
3774 /* Deal with automatic examine mode after a game,
3775 and with IcsObserving -> IcsExamining transition */
3776 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3777 looking_at(buf, &i, "has made you an examiner of game *")) {
3779 int gamenum = atoi(star_match[0]);
3780 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3781 gamenum == ics_gamenum) {
3782 /* We were already playing or observing this game;
3783 no need to refetch history */
3784 gameMode = IcsExamining;
3786 pauseExamForwardMostMove = forwardMostMove;
3787 } else if (currentMove < forwardMostMove) {
3788 ForwardInner(forwardMostMove);
3791 /* I don't think this case really can happen */
3792 SendToICS(ics_prefix);
3793 SendToICS("refresh\n");
3798 /* Error messages */
3799 // if (ics_user_moved) {
3800 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3801 if (looking_at(buf, &i, "Illegal move") ||
3802 looking_at(buf, &i, "Not a legal move") ||
3803 looking_at(buf, &i, "Your king is in check") ||
3804 looking_at(buf, &i, "It isn't your turn") ||
3805 looking_at(buf, &i, "It is not your move")) {
3807 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3808 currentMove = forwardMostMove-1;
3809 DisplayMove(currentMove - 1); /* before DMError */
3810 DrawPosition(FALSE, boards[currentMove]);
3811 SwitchClocks(forwardMostMove-1); // [HGM] race
3812 DisplayBothClocks();
3814 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3820 if (looking_at(buf, &i, "still have time") ||
3821 looking_at(buf, &i, "not out of time") ||
3822 looking_at(buf, &i, "either player is out of time") ||
3823 looking_at(buf, &i, "has timeseal; checking")) {
3824 /* We must have called his flag a little too soon */
3825 whiteFlag = blackFlag = FALSE;
3829 if (looking_at(buf, &i, "added * seconds to") ||
3830 looking_at(buf, &i, "seconds were added to")) {
3831 /* Update the clocks */
3832 SendToICS(ics_prefix);
3833 SendToICS("refresh\n");
3837 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3838 ics_clock_paused = TRUE;
3843 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3844 ics_clock_paused = FALSE;
3849 /* Grab player ratings from the Creating: message.
3850 Note we have to check for the special case when
3851 the ICS inserts things like [white] or [black]. */
3852 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3853 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3855 0 player 1 name (not necessarily white)
3857 2 empty, white, or black (IGNORED)
3858 3 player 2 name (not necessarily black)
3861 The names/ratings are sorted out when the game
3862 actually starts (below).
3864 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3865 player1Rating = string_to_rating(star_match[1]);
3866 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));