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 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"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
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));
228 extern void ConsoleCreate();
231 ChessProgramState *WhitePlayer();
232 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
233 int VerifyDisplayMode P(());
235 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
236 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
237 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
238 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
239 void ics_update_width P((int new_width));
240 extern char installDir[MSG_SIZ];
241 VariantClass startVariant; /* [HGM] nicks: initial variant */
244 extern int tinyLayout, smallLayout;
245 ChessProgramStats programStats;
246 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
248 static int exiting = 0; /* [HGM] moved to top */
249 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
250 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
251 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
252 int partnerHighlight[2];
253 Boolean partnerBoardValid = 0;
254 char partnerStatus[MSG_SIZ];
256 Boolean originalFlip;
257 Boolean twoBoards = 0;
258 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
259 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
260 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
261 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
262 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
263 int opponentKibitzes;
264 int lastSavedGame; /* [HGM] save: ID of game */
265 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
266 extern int chatCount;
268 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
269 char lastMsg[MSG_SIZ];
270 ChessSquare pieceSweep = EmptySquare;
271 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
272 int promoDefaultAltered;
274 /* States for ics_getting_history */
276 #define H_REQUESTED 1
277 #define H_GOT_REQ_HEADER 2
278 #define H_GOT_UNREQ_HEADER 3
279 #define H_GETTING_MOVES 4
280 #define H_GOT_UNWANTED_HEADER 5
282 /* whosays values for GameEnds */
291 /* Maximum number of games in a cmail message */
292 #define CMAIL_MAX_GAMES 20
294 /* Different types of move when calling RegisterMove */
296 #define CMAIL_RESIGN 1
298 #define CMAIL_ACCEPT 3
300 /* Different types of result to remember for each game */
301 #define CMAIL_NOT_RESULT 0
302 #define CMAIL_OLD_RESULT 1
303 #define CMAIL_NEW_RESULT 2
305 /* Telnet protocol constants */
316 safeStrCpy (char *dst, const char *src, size_t count)
319 assert( dst != NULL );
320 assert( src != NULL );
323 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
324 if( i == count && dst[count-1] != NULLCHAR)
326 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
327 if(appData.debugMode)
328 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
334 /* Some compiler can't cast u64 to double
335 * This function do the job for us:
337 * We use the highest bit for cast, this only
338 * works if the highest bit is not
339 * in use (This should not happen)
341 * We used this for all compiler
344 u64ToDouble (u64 value)
347 u64 tmp = value & u64Const(0x7fffffffffffffff);
348 r = (double)(s64)tmp;
349 if (value & u64Const(0x8000000000000000))
350 r += 9.2233720368547758080e18; /* 2^63 */
354 /* Fake up flags for now, as we aren't keeping track of castling
355 availability yet. [HGM] Change of logic: the flag now only
356 indicates the type of castlings allowed by the rule of the game.
357 The actual rights themselves are maintained in the array
358 castlingRights, as part of the game history, and are not probed
364 int flags = F_ALL_CASTLE_OK;
365 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
366 switch (gameInfo.variant) {
368 flags &= ~F_ALL_CASTLE_OK;
369 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
370 flags |= F_IGNORE_CHECK;
372 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
375 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
377 case VariantKriegspiel:
378 flags |= F_KRIEGSPIEL_CAPTURE;
380 case VariantCapaRandom:
381 case VariantFischeRandom:
382 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
383 case VariantNoCastle:
384 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP, *serverFP;
397 char *currentDebugFile; // [HGM] debug split: to remember name
400 [AS] Note: sometimes, the sscanf() function is used to parse the input
401 into a fixed-size buffer. Because of this, we must be prepared to
402 receive strings as long as the size of the input buffer, which is currently
403 set to 4K for Windows and 8K for the rest.
404 So, we must either allocate sufficiently large buffers here, or
405 reduce the size of the input buffer in the input reading part.
408 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
409 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
410 char thinkOutput1[MSG_SIZ*10];
412 ChessProgramState first, second, pairing;
414 /* premove variables */
417 int premoveFromX = 0;
418 int premoveFromY = 0;
419 int premovePromoChar = 0;
421 Boolean alarmSounded;
422 /* end premove variables */
424 char *ics_prefix = "$";
425 int ics_type = ICS_GENERIC;
427 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
428 int pauseExamForwardMostMove = 0;
429 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
430 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
431 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
432 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
433 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
434 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
435 int whiteFlag = FALSE, blackFlag = FALSE;
436 int userOfferedDraw = FALSE;
437 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
438 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
439 int cmailMoveType[CMAIL_MAX_GAMES];
440 long ics_clock_paused = 0;
441 ProcRef icsPR = NoProc, cmailPR = NoProc;
442 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
443 GameMode gameMode = BeginningOfGame;
444 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
445 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
446 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
447 int hiddenThinkOutputState = 0; /* [AS] */
448 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
449 int adjudicateLossPlies = 6;
450 char white_holding[64], black_holding[64];
451 TimeMark lastNodeCountTime;
452 long lastNodeCount=0;
453 int shiftKey, controlKey; // [HGM] set by mouse handler
455 int have_sent_ICS_logon = 0;
457 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
458 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
459 Boolean adjustedClock;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
463 int matchGame = 0, nextGame = 0, roundNr = 0;
464 Boolean waitingForGame = FALSE;
465 TimeMark programStartTime, pauseStart;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 Boolean shuffleOpenings;
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void PushInner P((int firstMove, int lastMove));
504 void PopInner P((Boolean annotate));
505 void CleanupTail P((void));
507 ChessSquare FIDEArray[2][BOARD_FILES] = {
508 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackKnight, BlackRook }
514 ChessSquare twoKingsArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackKing, BlackKnight, BlackRook }
521 ChessSquare KnightmateArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
523 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
524 { BlackRook, BlackMan, BlackBishop, BlackQueen,
525 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
528 ChessSquare SpartanArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
530 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
531 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
532 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
535 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
539 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
542 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
543 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
544 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
546 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
549 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
551 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackMan, BlackFerz,
553 BlackKing, BlackMan, BlackKnight, BlackRook }
557 #if (BOARD_FILES>=10)
558 ChessSquare ShogiArray[2][BOARD_FILES] = {
559 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
560 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
561 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
562 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
565 ChessSquare XiangqiArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
567 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
569 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
572 ChessSquare CapablancaArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
576 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
579 ChessSquare GreatArray[2][BOARD_FILES] = {
580 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
581 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
582 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
583 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
586 ChessSquare JanusArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
588 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
589 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
590 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
593 ChessSquare GrandArray[2][BOARD_FILES] = {
594 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
595 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
596 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
597 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
614 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
616 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating (char *str)
650 while(*str && !isdigit(*str)) ++str;
652 return 0; /* One of the special "no rating" cases */
660 /* Init programStats */
661 programStats.movelist[0] = 0;
662 programStats.depth = 0;
663 programStats.nr_moves = 0;
664 programStats.moves_left = 0;
665 programStats.nodes = 0;
666 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
667 programStats.score = 0;
668 programStats.got_only_move = 0;
669 programStats.got_fail = 0;
670 programStats.line_is_book = 0;
675 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
676 if (appData.firstPlaysBlack) {
677 first.twoMachinesColor = "black\n";
678 second.twoMachinesColor = "white\n";
680 first.twoMachinesColor = "white\n";
681 second.twoMachinesColor = "black\n";
684 first.other = &second;
685 second.other = &first;
688 if(appData.timeOddsMode) {
689 norm = appData.timeOdds[0];
690 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
692 first.timeOdds = appData.timeOdds[0]/norm;
693 second.timeOdds = appData.timeOdds[1]/norm;
696 if(programVersion) free(programVersion);
697 if (appData.noChessProgram) {
698 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
699 sprintf(programVersion, "%s", PACKAGE_STRING);
701 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
702 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
703 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
708 UnloadEngine (ChessProgramState *cps)
710 /* Kill off first chess program */
711 if (cps->isr != NULL)
712 RemoveInputSource(cps->isr);
715 if (cps->pr != NoProc) {
717 DoSleep( appData.delayBeforeQuit );
718 SendToProgram("quit\n", cps);
719 DoSleep( appData.delayAfterQuit );
720 DestroyChildProcess(cps->pr, cps->useSigterm);
723 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
727 ClearOptions (ChessProgramState *cps)
730 cps->nrOptions = cps->comboCnt = 0;
731 for(i=0; i<MAX_OPTIONS; i++) {
732 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
733 cps->option[i].textValue = 0;
737 char *engineNames[] = {
738 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
739 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
741 /* TRANSLATORS: "second" is the second 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 */
747 InitEngine (ChessProgramState *cps, int n)
748 { // [HGM] all engine initialiation put in a function that does one engine
752 cps->which = engineNames[n];
753 cps->maybeThinking = FALSE;
757 cps->sendDrawOffers = 1;
759 cps->program = appData.chessProgram[n];
760 cps->host = appData.host[n];
761 cps->dir = appData.directory[n];
762 cps->initString = appData.engInitString[n];
763 cps->computerString = appData.computerString[n];
764 cps->useSigint = TRUE;
765 cps->useSigterm = TRUE;
766 cps->reuse = appData.reuse[n];
767 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
768 cps->useSetboard = FALSE;
770 cps->usePing = FALSE;
773 cps->usePlayother = FALSE;
774 cps->useColors = TRUE;
775 cps->useUsermove = FALSE;
776 cps->sendICS = FALSE;
777 cps->sendName = appData.icsActive;
778 cps->sdKludge = FALSE;
779 cps->stKludge = FALSE;
780 TidyProgramName(cps->program, cps->host, cps->tidy);
782 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
783 cps->analysisSupport = 2; /* detect */
784 cps->analyzing = FALSE;
785 cps->initDone = FALSE;
787 /* New features added by Tord: */
788 cps->useFEN960 = FALSE;
789 cps->useOOCastle = TRUE;
790 /* End of new features added by Tord. */
791 cps->fenOverride = appData.fenOverride[n];
793 /* [HGM] time odds: set factor for each machine */
794 cps->timeOdds = appData.timeOdds[n];
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 cps->accumulateTC = appData.accumulateTC[n];
798 cps->maxNrOfSessions = 1;
803 cps->supportsNPS = UNKNOWN;
804 cps->memSize = FALSE;
805 cps->maxCores = FALSE;
806 cps->egtFormats[0] = NULLCHAR;
809 cps->optionSettings = appData.engOptions[n];
811 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
812 cps->isUCI = appData.isUCI[n]; /* [AS] */
813 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
815 if (appData.protocolVersion[n] > PROTOVER
816 || appData.protocolVersion[n] < 1)
821 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
822 appData.protocolVersion[n]);
823 if( (len >= MSG_SIZ) && appData.debugMode )
824 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
826 DisplayFatalError(buf, 0, 2);
830 cps->protocolVersion = appData.protocolVersion[n];
833 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ParseFeatures(appData.featureDefaults, cps);
837 ChessProgramState *savCps;
843 if(WaitForEngine(savCps, LoadEngine)) return;
844 CommonEngineInit(); // recalculate time odds
845 if(gameInfo.variant != StringToVariant(appData.variant)) {
846 // we changed variant when loading the engine; this forces us to reset
847 Reset(TRUE, savCps != &first);
848 EditGameEvent(); // for consistency with other path, as Reset changes mode
850 InitChessProgram(savCps, FALSE);
851 SendToProgram("force\n", savCps);
852 DisplayMessage("", "");
853 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
854 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
860 ReplaceEngine (ChessProgramState *cps, int n)
864 appData.noChessProgram = FALSE;
865 appData.clockMode = TRUE;
868 if(n) return; // only startup first engine immediately; second can wait
869 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
873 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
874 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
876 static char resetOptions[] =
877 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
878 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
879 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
880 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
883 FloatToFront(char **list, char *engineLine)
885 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
887 if(appData.recentEngines <= 0) return;
888 TidyProgramName(engineLine, "localhost", tidy+1);
889 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
890 strncpy(buf+1, *list, MSG_SIZ-50);
891 if(p = strstr(buf, tidy)) { // tidy name appears in list
892 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
893 while(*p++ = *++q); // squeeze out
895 strcat(tidy, buf+1); // put list behind tidy name
896 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
897 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
898 ASSIGN(*list, tidy+1);
901 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
904 Load (ChessProgramState *cps, int i)
906 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
907 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
908 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
909 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
910 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
911 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
912 appData.firstProtocolVersion = PROTOVER;
913 ParseArgsFromString(buf);
915 ReplaceEngine(cps, i);
916 FloatToFront(&appData.recentEngineList, engineLine);
920 while(q = strchr(p, SLASH)) p = q+1;
921 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
922 if(engineDir[0] != NULLCHAR) {
923 ASSIGN(appData.directory[i], engineDir); p = engineName;
924 } else if(p != engineName) { // derive directory from engine path, when not given
926 ASSIGN(appData.directory[i], engineName);
928 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
929 } else { ASSIGN(appData.directory[i], "."); }
931 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
932 snprintf(command, MSG_SIZ, "%s %s", p, params);
935 ASSIGN(appData.chessProgram[i], p);
936 appData.isUCI[i] = isUCI;
937 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
938 appData.hasOwnBookUCI[i] = hasBook;
939 if(!nickName[0]) useNick = FALSE;
940 if(useNick) ASSIGN(appData.pgnName[i], nickName);
944 q = firstChessProgramNames;
945 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
946 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
948 quote, p, quote, appData.directory[i],
949 useNick ? " -fn \"" : "",
950 useNick ? nickName : "",
952 v1 ? " -firstProtocolVersion 1" : "",
953 hasBook ? "" : " -fNoOwnBookUCI",
954 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
955 storeVariant ? " -variant " : "",
956 storeVariant ? VariantName(gameInfo.variant) : "");
957 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
958 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
959 if(insert != q) insert[-1] = NULLCHAR;
960 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
962 FloatToFront(&appData.recentEngineList, buf);
964 ReplaceEngine(cps, i);
970 int matched, min, sec;
972 * Parse timeControl resource
974 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
975 appData.movesPerSession)) {
977 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
978 DisplayFatalError(buf, 0, 2);
982 * Parse searchTime resource
984 if (*appData.searchTime != NULLCHAR) {
985 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
987 searchTime = min * 60;
988 } else if (matched == 2) {
989 searchTime = min * 60 + sec;
992 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
993 DisplayFatalError(buf, 0, 2);
1002 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1003 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1005 GetTimeMark(&programStartTime);
1006 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1007 appData.seedBase = random() + (random()<<15);
1008 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1010 ClearProgramStats();
1011 programStats.ok_to_send = 1;
1012 programStats.seen_stat = 0;
1015 * Initialize game list
1021 * Internet chess server status
1023 if (appData.icsActive) {
1024 appData.matchMode = FALSE;
1025 appData.matchGames = 0;
1027 appData.noChessProgram = !appData.zippyPlay;
1029 appData.zippyPlay = FALSE;
1030 appData.zippyTalk = FALSE;
1031 appData.noChessProgram = TRUE;
1033 if (*appData.icsHelper != NULLCHAR) {
1034 appData.useTelnet = TRUE;
1035 appData.telnetProgram = appData.icsHelper;
1038 appData.zippyTalk = appData.zippyPlay = FALSE;
1041 /* [AS] Initialize pv info list [HGM] and game state */
1045 for( i=0; i<=framePtr; i++ ) {
1046 pvInfoList[i].depth = -1;
1047 boards[i][EP_STATUS] = EP_NONE;
1048 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1054 /* [AS] Adjudication threshold */
1055 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1057 InitEngine(&first, 0);
1058 InitEngine(&second, 1);
1061 pairing.which = "pairing"; // pairing engine
1062 pairing.pr = NoProc;
1064 pairing.program = appData.pairingEngine;
1065 pairing.host = "localhost";
1068 if (appData.icsActive) {
1069 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1070 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1071 appData.clockMode = FALSE;
1072 first.sendTime = second.sendTime = 0;
1076 /* Override some settings from environment variables, for backward
1077 compatibility. Unfortunately it's not feasible to have the env
1078 vars just set defaults, at least in xboard. Ugh.
1080 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1085 if (!appData.icsActive) {
1089 /* Check for variants that are supported only in ICS mode,
1090 or not at all. Some that are accepted here nevertheless
1091 have bugs; see comments below.
1093 VariantClass variant = StringToVariant(appData.variant);
1095 case VariantBughouse: /* need four players and two boards */
1096 case VariantKriegspiel: /* need to hide pieces and move details */
1097 /* case VariantFischeRandom: (Fabien: moved below) */
1098 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1099 if( (len >= MSG_SIZ) && appData.debugMode )
1100 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1102 DisplayFatalError(buf, 0, 2);
1105 case VariantUnknown:
1106 case VariantLoadable:
1116 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1117 if( (len >= MSG_SIZ) && appData.debugMode )
1118 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1120 DisplayFatalError(buf, 0, 2);
1123 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1124 case VariantFairy: /* [HGM] TestLegality definitely off! */
1125 case VariantGothic: /* [HGM] should work */
1126 case VariantCapablanca: /* [HGM] should work */
1127 case VariantCourier: /* [HGM] initial forced moves not implemented */
1128 case VariantShogi: /* [HGM] could still mate with pawn drop */
1129 case VariantKnightmate: /* [HGM] should work */
1130 case VariantCylinder: /* [HGM] untested */
1131 case VariantFalcon: /* [HGM] untested */
1132 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1133 offboard interposition not understood */
1134 case VariantNormal: /* definitely works! */
1135 case VariantWildCastle: /* pieces not automatically shuffled */
1136 case VariantNoCastle: /* pieces not automatically shuffled */
1137 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1138 case VariantLosers: /* should work except for win condition,
1139 and doesn't know captures are mandatory */
1140 case VariantSuicide: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantGiveaway: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantTwoKings: /* should work */
1145 case VariantAtomic: /* should work except for win condition */
1146 case Variant3Check: /* should work except for win condition */
1147 case VariantShatranj: /* should work except for all win conditions */
1148 case VariantMakruk: /* should work except for draw countdown */
1149 case VariantBerolina: /* might work if TestLegality is off */
1150 case VariantCapaRandom: /* should work */
1151 case VariantJanus: /* should work */
1152 case VariantSuper: /* experimental */
1153 case VariantGreat: /* experimental, requires legality testing to be off */
1154 case VariantSChess: /* S-Chess, should work */
1155 case VariantGrand: /* should work */
1156 case VariantSpartan: /* should work */
1164 NextIntegerFromString (char ** str, long * value)
1169 while( *s == ' ' || *s == '\t' ) {
1175 if( *s >= '0' && *s <= '9' ) {
1176 while( *s >= '0' && *s <= '9' ) {
1177 *value = *value * 10 + (*s - '0');
1190 NextTimeControlFromString (char ** str, long * value)
1193 int result = NextIntegerFromString( str, &temp );
1196 *value = temp * 60; /* Minutes */
1197 if( **str == ':' ) {
1199 result = NextIntegerFromString( str, &temp );
1200 *value += temp; /* Seconds */
1208 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1209 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1210 int result = -1, type = 0; long temp, temp2;
1212 if(**str != ':') return -1; // old params remain in force!
1214 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1215 if( NextIntegerFromString( str, &temp ) ) return -1;
1216 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1219 /* time only: incremental or sudden-death time control */
1220 if(**str == '+') { /* increment follows; read it */
1222 if(**str == '!') type = *(*str)++; // Bronstein TC
1223 if(result = NextIntegerFromString( str, &temp2)) return -1;
1224 *inc = temp2 * 1000;
1225 if(**str == '.') { // read fraction of increment
1226 char *start = ++(*str);
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1229 while(start++ < *str) temp2 /= 10;
1233 *moves = 0; *tc = temp * 1000; *incType = type;
1237 (*str)++; /* classical time control */
1238 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1250 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1251 { /* [HGM] get time to add from the multi-session time-control string */
1252 int incType, moves=1; /* kludge to force reading of first session */
1253 long time, increment;
1256 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1258 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1259 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1260 if(movenr == -1) return time; /* last move before new session */
1261 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1262 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1263 if(!moves) return increment; /* current session is incremental */
1264 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1265 } while(movenr >= -1); /* try again for next session */
1267 return 0; // no new time quota on this move
1271 ParseTimeControl (char *tc, float ti, int mps)
1275 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1278 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1279 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1280 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1284 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1286 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1291 snprintf(buf, MSG_SIZ, ":%s", mytc);
1293 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1295 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1300 /* Parse second time control */
1303 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1311 timeControl_2 = tc2 * 1000;
1321 timeControl = tc1 * 1000;
1324 timeIncrement = ti * 1000; /* convert to ms */
1325 movesPerSession = 0;
1328 movesPerSession = mps;
1336 if (appData.debugMode) {
1337 fprintf(debugFP, "%s\n", programVersion);
1339 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1341 set_cont_sequence(appData.wrapContSeq);
1342 if (appData.matchGames > 0) {
1343 appData.matchMode = TRUE;
1344 } else if (appData.matchMode) {
1345 appData.matchGames = 1;
1347 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1348 appData.matchGames = appData.sameColorGames;
1349 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1350 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1351 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1354 if (appData.noChessProgram || first.protocolVersion == 1) {
1357 /* kludge: allow timeout for initial "feature" commands */
1359 DisplayMessage("", _("Starting chess program"));
1360 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1365 CalculateIndex (int index, int gameNr)
1366 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1368 if(index > 0) return index; // fixed nmber
1369 if(index == 0) return 1;
1370 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1371 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1376 LoadGameOrPosition (int gameNr)
1377 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1378 if (*appData.loadGameFile != NULLCHAR) {
1379 if (!LoadGameFromFile(appData.loadGameFile,
1380 CalculateIndex(appData.loadGameIndex, gameNr),
1381 appData.loadGameFile, FALSE)) {
1382 DisplayFatalError(_("Bad game file"), 0, 1);
1385 } else if (*appData.loadPositionFile != NULLCHAR) {
1386 if (!LoadPositionFromFile(appData.loadPositionFile,
1387 CalculateIndex(appData.loadPositionIndex, gameNr),
1388 appData.loadPositionFile)) {
1389 DisplayFatalError(_("Bad position file"), 0, 1);
1397 ReserveGame (int gameNr, char resChar)
1399 FILE *tf = fopen(appData.tourneyFile, "r+");
1400 char *p, *q, c, buf[MSG_SIZ];
1401 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1402 safeStrCpy(buf, lastMsg, MSG_SIZ);
1403 DisplayMessage(_("Pick new game"), "");
1404 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1405 ParseArgsFromFile(tf);
1406 p = q = appData.results;
1407 if(appData.debugMode) {
1408 char *r = appData.participants;
1409 fprintf(debugFP, "results = '%s'\n", p);
1410 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1411 fprintf(debugFP, "\n");
1413 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1415 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1416 safeStrCpy(q, p, strlen(p) + 2);
1417 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1418 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1420 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1423 fseek(tf, -(strlen(p)+4), SEEK_END);
1425 if(c != '"') // depending on DOS or Unix line endings we can be one off
1426 fseek(tf, -(strlen(p)+2), SEEK_END);
1427 else fseek(tf, -(strlen(p)+3), SEEK_END);
1428 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1429 DisplayMessage(buf, "");
1430 free(p); appData.results = q;
1431 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1432 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1433 int round = appData.defaultMatchGames * appData.tourneyType;
1434 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1435 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1436 UnloadEngine(&first); // next game belongs to other pairing;
1437 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1439 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1443 MatchEvent (int mode)
1444 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1446 if(matchMode) { // already in match mode: switch it off
1448 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1451 // if(gameMode != BeginningOfGame) {
1452 // DisplayError(_("You can only start a match from the initial position."), 0);
1456 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1457 /* Set up machine vs. machine match */
1459 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1460 if(appData.tourneyFile[0]) {
1462 if(nextGame > appData.matchGames) {
1464 if(strchr(appData.results, '*') == NULL) {
1466 appData.tourneyCycles++;
1467 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1469 NextTourneyGame(-1, &dummy);
1471 if(nextGame <= appData.matchGames) {
1472 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1474 ScheduleDelayedEvent(NextMatchGame, 10000);
1479 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1480 DisplayError(buf, 0);
1481 appData.tourneyFile[0] = 0;
1485 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1486 DisplayFatalError(_("Can't have a match with no chess programs"),
1491 matchGame = roundNr = 1;
1492 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1496 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1499 InitBackEnd3 P((void))
1501 GameMode initialMode;
1505 InitChessProgram(&first, startedFromSetupPosition);
1507 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1508 free(programVersion);
1509 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1510 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1511 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1514 if (appData.icsActive) {
1516 /* [DM] Make a console window if needed [HGM] merged ifs */
1522 if (*appData.icsCommPort != NULLCHAR)
1523 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1524 appData.icsCommPort);
1526 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1527 appData.icsHost, appData.icsPort);
1529 if( (len >= MSG_SIZ) && appData.debugMode )
1530 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1532 DisplayFatalError(buf, err, 1);
1537 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1539 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1540 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1541 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1542 } else if (appData.noChessProgram) {
1548 if (*appData.cmailGameName != NULLCHAR) {
1550 OpenLoopback(&cmailPR);
1552 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1556 DisplayMessage("", "");
1557 if (StrCaseCmp(appData.initialMode, "") == 0) {
1558 initialMode = BeginningOfGame;
1559 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1560 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1561 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1562 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1565 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1566 initialMode = TwoMachinesPlay;
1567 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1568 initialMode = AnalyzeFile;
1569 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1570 initialMode = AnalyzeMode;
1571 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1572 initialMode = MachinePlaysWhite;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1574 initialMode = MachinePlaysBlack;
1575 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1576 initialMode = EditGame;
1577 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1578 initialMode = EditPosition;
1579 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1580 initialMode = Training;
1582 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1583 if( (len >= MSG_SIZ) && appData.debugMode )
1584 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1586 DisplayFatalError(buf, 0, 2);
1590 if (appData.matchMode) {
1591 if(appData.tourneyFile[0]) { // start tourney from command line
1593 if(f = fopen(appData.tourneyFile, "r")) {
1594 ParseArgsFromFile(f); // make sure tourney parmeters re known
1596 appData.clockMode = TRUE;
1598 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1601 } else if (*appData.cmailGameName != NULLCHAR) {
1602 /* Set up cmail mode */
1603 ReloadCmailMsgEvent(TRUE);
1605 /* Set up other modes */
1606 if (initialMode == AnalyzeFile) {
1607 if (*appData.loadGameFile == NULLCHAR) {
1608 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1612 if (*appData.loadGameFile != NULLCHAR) {
1613 (void) LoadGameFromFile(appData.loadGameFile,
1614 appData.loadGameIndex,
1615 appData.loadGameFile, TRUE);
1616 } else if (*appData.loadPositionFile != NULLCHAR) {
1617 (void) LoadPositionFromFile(appData.loadPositionFile,
1618 appData.loadPositionIndex,
1619 appData.loadPositionFile);
1620 /* [HGM] try to make self-starting even after FEN load */
1621 /* to allow automatic setup of fairy variants with wtm */
1622 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1623 gameMode = BeginningOfGame;
1624 setboardSpoiledMachineBlack = 1;
1626 /* [HGM] loadPos: make that every new game uses the setup */
1627 /* from file as long as we do not switch variant */
1628 if(!blackPlaysFirst) {
1629 startedFromPositionFile = TRUE;
1630 CopyBoard(filePosition, boards[0]);
1633 if (initialMode == AnalyzeMode) {
1634 if (appData.noChessProgram) {
1635 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1638 if (appData.icsActive) {
1639 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1643 } else if (initialMode == AnalyzeFile) {
1644 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1645 ShowThinkingEvent();
1647 AnalysisPeriodicEvent(1);
1648 } else if (initialMode == MachinePlaysWhite) {
1649 if (appData.noChessProgram) {
1650 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1659 MachineWhiteEvent();
1660 } else if (initialMode == MachinePlaysBlack) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1666 if (appData.icsActive) {
1667 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1671 MachineBlackEvent();
1672 } else if (initialMode == TwoMachinesPlay) {
1673 if (appData.noChessProgram) {
1674 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1678 if (appData.icsActive) {
1679 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1684 } else if (initialMode == EditGame) {
1686 } else if (initialMode == EditPosition) {
1687 EditPositionEvent();
1688 } else if (initialMode == Training) {
1689 if (*appData.loadGameFile == NULLCHAR) {
1690 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1699 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1701 DisplayBook(current+1);
1703 MoveHistorySet( movelist, first, last, current, pvInfoList );
1705 EvalGraphSet( first, last, current, pvInfoList );
1707 MakeEngineOutputTitle();
1711 * Establish will establish a contact to a remote host.port.
1712 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1713 * used to talk to the host.
1714 * Returns 0 if okay, error code if not.
1721 if (*appData.icsCommPort != NULLCHAR) {
1722 /* Talk to the host through a serial comm port */
1723 return OpenCommPort(appData.icsCommPort, &icsPR);
1725 } else if (*appData.gateway != NULLCHAR) {
1726 if (*appData.remoteShell == NULLCHAR) {
1727 /* Use the rcmd protocol to run telnet program on a gateway host */
1728 snprintf(buf, sizeof(buf), "%s %s %s",
1729 appData.telnetProgram, appData.icsHost, appData.icsPort);
1730 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1733 /* Use the rsh program to run telnet program on a gateway host */
1734 if (*appData.remoteUser == NULLCHAR) {
1735 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1736 appData.gateway, appData.telnetProgram,
1737 appData.icsHost, appData.icsPort);
1739 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1740 appData.remoteShell, appData.gateway,
1741 appData.remoteUser, appData.telnetProgram,
1742 appData.icsHost, appData.icsPort);
1744 return StartChildProcess(buf, "", &icsPR);
1747 } else if (appData.useTelnet) {
1748 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1751 /* TCP socket interface differs somewhat between
1752 Unix and NT; handle details in the front end.
1754 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1759 EscapeExpand (char *p, char *q)
1760 { // [HGM] initstring: routine to shape up string arguments
1761 while(*p++ = *q++) if(p[-1] == '\\')
1763 case 'n': p[-1] = '\n'; break;
1764 case 'r': p[-1] = '\r'; break;
1765 case 't': p[-1] = '\t'; break;
1766 case '\\': p[-1] = '\\'; break;
1767 case 0: *p = 0; return;
1768 default: p[-1] = q[-1]; break;
1773 show_bytes (FILE *fp, char *buf, int count)
1776 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1777 fprintf(fp, "\\%03o", *buf & 0xff);
1786 /* Returns an errno value */
1788 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1790 char buf[8192], *p, *q, *buflim;
1791 int left, newcount, outcount;
1793 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1794 *appData.gateway != NULLCHAR) {
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, message, count);
1798 fprintf(debugFP, "\n");
1800 return OutputToProcess(pr, message, count, outError);
1803 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1810 if (appData.debugMode) {
1811 fprintf(debugFP, ">ICS: ");
1812 show_bytes(debugFP, buf, newcount);
1813 fprintf(debugFP, "\n");
1815 outcount = OutputToProcess(pr, buf, newcount, outError);
1816 if (outcount < newcount) return -1; /* to be sure */
1823 } else if (((unsigned char) *p) == TN_IAC) {
1824 *q++ = (char) TN_IAC;
1831 if (appData.debugMode) {
1832 fprintf(debugFP, ">ICS: ");
1833 show_bytes(debugFP, buf, newcount);
1834 fprintf(debugFP, "\n");
1836 outcount = OutputToProcess(pr, buf, newcount, outError);
1837 if (outcount < newcount) return -1; /* to be sure */
1842 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1844 int outError, outCount;
1845 static int gotEof = 0;
1847 /* Pass data read from player on to ICS */
1850 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 } else if (count < 0) {
1855 RemoveInputSource(isr);
1856 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1857 } else if (gotEof++ > 0) {
1858 RemoveInputSource(isr);
1859 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1865 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1866 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1867 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1868 SendToICS("date\n");
1869 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1872 /* added routine for printf style output to ics */
1874 ics_printf (char *format, ...)
1876 char buffer[MSG_SIZ];
1879 va_start(args, format);
1880 vsnprintf(buffer, sizeof(buffer), format, args);
1881 buffer[sizeof(buffer)-1] = '\0';
1889 int count, outCount, outError;
1891 if (icsPR == NoProc) return;
1894 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1895 if (outCount < count) {
1896 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 /* This is used for sending logon scripts to the ICS. Sending
1901 without a delay causes problems when using timestamp on ICC
1902 (at least on my machine). */
1904 SendToICSDelayed (char *s, long msdelay)
1906 int count, outCount, outError;
1908 if (icsPR == NoProc) return;
1911 if (appData.debugMode) {
1912 fprintf(debugFP, ">ICS: ");
1913 show_bytes(debugFP, s, count);
1914 fprintf(debugFP, "\n");
1916 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1918 if (outCount < count) {
1919 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1924 /* Remove all highlighting escape sequences in s
1925 Also deletes any suffix starting with '('
1928 StripHighlightAndTitle (char *s)
1930 static char retbuf[MSG_SIZ];
1933 while (*s != NULLCHAR) {
1934 while (*s == '\033') {
1935 while (*s != NULLCHAR && !isalpha(*s)) s++;
1936 if (*s != NULLCHAR) s++;
1938 while (*s != NULLCHAR && *s != '\033') {
1939 if (*s == '(' || *s == '[') {
1950 /* Remove all highlighting escape sequences in s */
1952 StripHighlight (char *s)
1954 static char retbuf[MSG_SIZ];
1957 while (*s != NULLCHAR) {
1958 while (*s == '\033') {
1959 while (*s != NULLCHAR && !isalpha(*s)) s++;
1960 if (*s != NULLCHAR) s++;
1962 while (*s != NULLCHAR && *s != '\033') {
1970 char *variantNames[] = VARIANT_NAMES;
1972 VariantName (VariantClass v)
1974 return variantNames[v];
1978 /* Identify a variant from the strings the chess servers use or the
1979 PGN Variant tag names we use. */
1981 StringToVariant (char *e)
1985 VariantClass v = VariantNormal;
1986 int i, found = FALSE;
1992 /* [HGM] skip over optional board-size prefixes */
1993 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1994 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1995 while( *e++ != '_');
1998 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2002 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2003 if (StrCaseStr(e, variantNames[i])) {
2004 v = (VariantClass) i;
2011 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2012 || StrCaseStr(e, "wild/fr")
2013 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2014 v = VariantFischeRandom;
2015 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2016 (i = 1, p = StrCaseStr(e, "w"))) {
2018 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2025 case 0: /* FICS only, actually */
2027 /* Castling legal even if K starts on d-file */
2028 v = VariantWildCastle;
2033 /* Castling illegal even if K & R happen to start in
2034 normal positions. */
2035 v = VariantNoCastle;
2048 /* Castling legal iff K & R start in normal positions */
2054 /* Special wilds for position setup; unclear what to do here */
2055 v = VariantLoadable;
2058 /* Bizarre ICC game */
2059 v = VariantTwoKings;
2062 v = VariantKriegspiel;
2068 v = VariantFischeRandom;
2071 v = VariantCrazyhouse;
2074 v = VariantBughouse;
2080 /* Not quite the same as FICS suicide! */
2081 v = VariantGiveaway;
2087 v = VariantShatranj;
2090 /* Temporary names for future ICC types. The name *will* change in
2091 the next xboard/WinBoard release after ICC defines it. */
2129 v = VariantCapablanca;
2132 v = VariantKnightmate;
2138 v = VariantCylinder;
2144 v = VariantCapaRandom;
2147 v = VariantBerolina;
2159 /* Found "wild" or "w" in the string but no number;
2160 must assume it's normal chess. */
2164 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2165 if( (len >= MSG_SIZ) && appData.debugMode )
2166 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2168 DisplayError(buf, 0);
2174 if (appData.debugMode) {
2175 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2176 e, wnum, VariantName(v));
2181 static int leftover_start = 0, leftover_len = 0;
2182 char star_match[STAR_MATCH_N][MSG_SIZ];
2184 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2185 advance *index beyond it, and set leftover_start to the new value of
2186 *index; else return FALSE. If pattern contains the character '*', it
2187 matches any sequence of characters not containing '\r', '\n', or the
2188 character following the '*' (if any), and the matched sequence(s) are
2189 copied into star_match.
2192 looking_at ( char *buf, int *index, char *pattern)
2194 char *bufp = &buf[*index], *patternp = pattern;
2196 char *matchp = star_match[0];
2199 if (*patternp == NULLCHAR) {
2200 *index = leftover_start = bufp - buf;
2204 if (*bufp == NULLCHAR) return FALSE;
2205 if (*patternp == '*') {
2206 if (*bufp == *(patternp + 1)) {
2208 matchp = star_match[++star_count];
2212 } else if (*bufp == '\n' || *bufp == '\r') {
2214 if (*patternp == NULLCHAR)
2219 *matchp++ = *bufp++;
2223 if (*patternp != *bufp) return FALSE;
2230 SendToPlayer (char *data, int length)
2232 int error, outCount;
2233 outCount = OutputToProcess(NoProc, data, length, &error);
2234 if (outCount < length) {
2235 DisplayFatalError(_("Error writing to display"), error, 1);
2240 PackHolding (char packed[], char *holding)
2250 switch (runlength) {
2261 sprintf(q, "%d", runlength);
2273 /* Telnet protocol requests from the front end */
2275 TelnetRequest (unsigned char ddww, unsigned char option)
2277 unsigned char msg[3];
2278 int outCount, outError;
2280 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2282 if (appData.debugMode) {
2283 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2299 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2308 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2311 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2316 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2318 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DO, TN_ECHO);
2332 if (!appData.icsActive) return;
2333 TelnetRequest(TN_DONT, TN_ECHO);
2337 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2339 /* put the holdings sent to us by the server on the board holdings area */
2340 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2344 if(gameInfo.holdingsWidth < 2) return;
2345 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2346 return; // prevent overwriting by pre-board holdings
2348 if( (int)lowestPiece >= BlackPawn ) {
2351 holdingsStartRow = BOARD_HEIGHT-1;
2354 holdingsColumn = BOARD_WIDTH-1;
2355 countsColumn = BOARD_WIDTH-2;
2356 holdingsStartRow = 0;
2360 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2361 board[i][holdingsColumn] = EmptySquare;
2362 board[i][countsColumn] = (ChessSquare) 0;
2364 while( (p=*holdings++) != NULLCHAR ) {
2365 piece = CharToPiece( ToUpper(p) );
2366 if(piece == EmptySquare) continue;
2367 /*j = (int) piece - (int) WhitePawn;*/
2368 j = PieceToNumber(piece);
2369 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2370 if(j < 0) continue; /* should not happen */
2371 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2372 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2373 board[holdingsStartRow+j*direction][countsColumn]++;
2379 VariantSwitch (Board board, VariantClass newVariant)
2381 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2382 static Board oldBoard;
2384 startedFromPositionFile = FALSE;
2385 if(gameInfo.variant == newVariant) return;
2387 /* [HGM] This routine is called each time an assignment is made to
2388 * gameInfo.variant during a game, to make sure the board sizes
2389 * are set to match the new variant. If that means adding or deleting
2390 * holdings, we shift the playing board accordingly
2391 * This kludge is needed because in ICS observe mode, we get boards
2392 * of an ongoing game without knowing the variant, and learn about the
2393 * latter only later. This can be because of the move list we requested,
2394 * in which case the game history is refilled from the beginning anyway,
2395 * but also when receiving holdings of a crazyhouse game. In the latter
2396 * case we want to add those holdings to the already received position.
2400 if (appData.debugMode) {
2401 fprintf(debugFP, "Switch board from %s to %s\n",
2402 VariantName(gameInfo.variant), VariantName(newVariant));
2403 setbuf(debugFP, NULL);
2405 shuffleOpenings = 0; /* [HGM] shuffle */
2406 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2410 newWidth = 9; newHeight = 9;
2411 gameInfo.holdingsSize = 7;
2412 case VariantBughouse:
2413 case VariantCrazyhouse:
2414 newHoldingsWidth = 2; break;
2418 newHoldingsWidth = 2;
2419 gameInfo.holdingsSize = 8;
2422 case VariantCapablanca:
2423 case VariantCapaRandom:
2426 newHoldingsWidth = gameInfo.holdingsSize = 0;
2429 if(newWidth != gameInfo.boardWidth ||
2430 newHeight != gameInfo.boardHeight ||
2431 newHoldingsWidth != gameInfo.holdingsWidth ) {
2433 /* shift position to new playing area, if needed */
2434 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 for(i=0; i<newHeight; i++) {
2440 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2441 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2443 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2444 for(i=0; i<BOARD_HEIGHT; i++)
2445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2446 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2449 gameInfo.boardWidth = newWidth;
2450 gameInfo.boardHeight = newHeight;
2451 gameInfo.holdingsWidth = newHoldingsWidth;
2452 gameInfo.variant = newVariant;
2453 InitDrawingSizes(-2, 0);
2454 } else gameInfo.variant = newVariant;
2455 CopyBoard(oldBoard, board); // remember correctly formatted board
2456 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2457 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2460 static int loggedOn = FALSE;
2462 /*-- Game start info cache: --*/
2464 char gs_kind[MSG_SIZ];
2465 static char player1Name[128] = "";
2466 static char player2Name[128] = "";
2467 static char cont_seq[] = "\n\\ ";
2468 static int player1Rating = -1;
2469 static int player2Rating = -1;
2470 /*----------------------------*/
2472 ColorClass curColor = ColorNormal;
2473 int suppressKibitz = 0;
2476 Boolean soughtPending = FALSE;
2477 Boolean seekGraphUp;
2478 #define MAX_SEEK_ADS 200
2480 char *seekAdList[MAX_SEEK_ADS];
2481 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2482 float tcList[MAX_SEEK_ADS];
2483 char colorList[MAX_SEEK_ADS];
2484 int nrOfSeekAds = 0;
2485 int minRating = 1010, maxRating = 2800;
2486 int hMargin = 10, vMargin = 20, h, w;
2487 extern int squareSize, lineGap;
2492 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2493 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2494 if(r < minRating+100 && r >=0 ) r = minRating+100;
2495 if(r > maxRating) r = maxRating;
2496 if(tc < 1.) tc = 1.;
2497 if(tc > 95.) tc = 95.;
2498 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2499 y = ((double)r - minRating)/(maxRating - minRating)
2500 * (h-vMargin-squareSize/8-1) + vMargin;
2501 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2502 if(strstr(seekAdList[i], " u ")) color = 1;
2503 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2504 !strstr(seekAdList[i], "bullet") &&
2505 !strstr(seekAdList[i], "blitz") &&
2506 !strstr(seekAdList[i], "standard") ) color = 2;
2507 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2508 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2512 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2514 char buf[MSG_SIZ], *ext = "";
2515 VariantClass v = StringToVariant(type);
2516 if(strstr(type, "wild")) {
2517 ext = type + 4; // append wild number
2518 if(v == VariantFischeRandom) type = "chess960"; else
2519 if(v == VariantLoadable) type = "setup"; else
2520 type = VariantName(v);
2522 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2523 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2524 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2525 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2526 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2527 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2528 seekNrList[nrOfSeekAds] = nr;
2529 zList[nrOfSeekAds] = 0;
2530 seekAdList[nrOfSeekAds++] = StrSave(buf);
2531 if(plot) PlotSeekAd(nrOfSeekAds-1);
2536 EraseSeekDot (int i)
2538 int x = xList[i], y = yList[i], d=squareSize/4, k;
2539 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2540 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2541 // now replot every dot that overlapped
2542 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2543 int xx = xList[k], yy = yList[k];
2544 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2545 DrawSeekDot(xx, yy, colorList[k]);
2550 RemoveSeekAd (int nr)
2553 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2555 if(seekAdList[i]) free(seekAdList[i]);
2556 seekAdList[i] = seekAdList[--nrOfSeekAds];
2557 seekNrList[i] = seekNrList[nrOfSeekAds];
2558 ratingList[i] = ratingList[nrOfSeekAds];
2559 colorList[i] = colorList[nrOfSeekAds];
2560 tcList[i] = tcList[nrOfSeekAds];
2561 xList[i] = xList[nrOfSeekAds];
2562 yList[i] = yList[nrOfSeekAds];
2563 zList[i] = zList[nrOfSeekAds];
2564 seekAdList[nrOfSeekAds] = NULL;
2570 MatchSoughtLine (char *line)
2572 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2573 int nr, base, inc, u=0; char dummy;
2575 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2576 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2578 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2579 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2580 // match: compact and save the line
2581 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2591 if(!seekGraphUp) return FALSE;
2592 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2593 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2595 DrawSeekBackground(0, 0, w, h);
2596 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2597 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2598 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2599 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2601 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2608 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2609 for(i=1; i<100; i+=(i<10?1:5)) {
2610 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2611 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2612 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2614 snprintf(buf, MSG_SIZ, "%d", i);
2615 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2618 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2623 SeekGraphClick (ClickType click, int x, int y, int moving)
2625 static int lastDown = 0, displayed = 0, lastSecond;
2626 if(y < 0) return FALSE;
2627 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2628 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2629 if(!seekGraphUp) return FALSE;
2630 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2631 DrawPosition(TRUE, NULL);
2634 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2635 if(click == Release || moving) return FALSE;
2637 soughtPending = TRUE;
2638 SendToICS(ics_prefix);
2639 SendToICS("sought\n"); // should this be "sought all"?
2640 } else { // issue challenge based on clicked ad
2641 int dist = 10000; int i, closest = 0, second = 0;
2642 for(i=0; i<nrOfSeekAds; i++) {
2643 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2644 if(d < dist) { dist = d; closest = i; }
2645 second += (d - zList[i] < 120); // count in-range ads
2646 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2650 second = (second > 1);
2651 if(displayed != closest || second != lastSecond) {
2652 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2653 lastSecond = second; displayed = closest;
2655 if(click == Press) {
2656 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2659 } // on press 'hit', only show info
2660 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2661 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2662 SendToICS(ics_prefix);
2664 return TRUE; // let incoming board of started game pop down the graph
2665 } else if(click == Release) { // release 'miss' is ignored
2666 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2667 if(moving == 2) { // right up-click
2668 nrOfSeekAds = 0; // refresh graph
2669 soughtPending = TRUE;
2670 SendToICS(ics_prefix);
2671 SendToICS("sought\n"); // should this be "sought all"?
2674 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2675 // press miss or release hit 'pop down' seek graph
2676 seekGraphUp = FALSE;
2677 DrawPosition(TRUE, NULL);
2683 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2685 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2686 #define STARTED_NONE 0
2687 #define STARTED_MOVES 1
2688 #define STARTED_BOARD 2
2689 #define STARTED_OBSERVE 3
2690 #define STARTED_HOLDINGS 4
2691 #define STARTED_CHATTER 5
2692 #define STARTED_COMMENT 6
2693 #define STARTED_MOVES_NOHIDE 7
2695 static int started = STARTED_NONE;
2696 static char parse[20000];
2697 static int parse_pos = 0;
2698 static char buf[BUF_SIZE + 1];
2699 static int firstTime = TRUE, intfSet = FALSE;
2700 static ColorClass prevColor = ColorNormal;
2701 static int savingComment = FALSE;
2702 static int cmatch = 0; // continuation sequence match
2709 int backup; /* [DM] For zippy color lines */
2711 char talker[MSG_SIZ]; // [HGM] chat
2714 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2716 if (appData.debugMode) {
2718 fprintf(debugFP, "<ICS: ");
2719 show_bytes(debugFP, data, count);
2720 fprintf(debugFP, "\n");
2724 if (appData.debugMode) { int f = forwardMostMove;
2725 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2726 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2727 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2730 /* If last read ended with a partial line that we couldn't parse,
2731 prepend it to the new read and try again. */
2732 if (leftover_len > 0) {
2733 for (i=0; i<leftover_len; i++)
2734 buf[i] = buf[leftover_start + i];
2737 /* copy new characters into the buffer */
2738 bp = buf + leftover_len;
2739 buf_len=leftover_len;
2740 for (i=0; i<count; i++)
2743 if (data[i] == '\r')
2746 // join lines split by ICS?
2747 if (!appData.noJoin)
2750 Joining just consists of finding matches against the
2751 continuation sequence, and discarding that sequence
2752 if found instead of copying it. So, until a match
2753 fails, there's nothing to do since it might be the
2754 complete sequence, and thus, something we don't want
2757 if (data[i] == cont_seq[cmatch])
2760 if (cmatch == strlen(cont_seq))
2762 cmatch = 0; // complete match. just reset the counter
2765 it's possible for the ICS to not include the space
2766 at the end of the last word, making our [correct]
2767 join operation fuse two separate words. the server
2768 does this when the space occurs at the width setting.
2770 if (!buf_len || buf[buf_len-1] != ' ')
2781 match failed, so we have to copy what matched before
2782 falling through and copying this character. In reality,
2783 this will only ever be just the newline character, but
2784 it doesn't hurt to be precise.
2786 strncpy(bp, cont_seq, cmatch);
2798 buf[buf_len] = NULLCHAR;
2799 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2804 while (i < buf_len) {
2805 /* Deal with part of the TELNET option negotiation
2806 protocol. We refuse to do anything beyond the
2807 defaults, except that we allow the WILL ECHO option,
2808 which ICS uses to turn off password echoing when we are
2809 directly connected to it. We reject this option
2810 if localLineEditing mode is on (always on in xboard)
2811 and we are talking to port 23, which might be a real
2812 telnet server that will try to keep WILL ECHO on permanently.
2814 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2815 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2816 unsigned char option;
2818 switch ((unsigned char) buf[++i]) {
2820 if (appData.debugMode)
2821 fprintf(debugFP, "\n<WILL ");
2822 switch (option = (unsigned char) buf[++i]) {
2824 if (appData.debugMode)
2825 fprintf(debugFP, "ECHO ");
2826 /* Reply only if this is a change, according
2827 to the protocol rules. */
2828 if (remoteEchoOption) break;
2829 if (appData.localLineEditing &&
2830 atoi(appData.icsPort) == TN_PORT) {
2831 TelnetRequest(TN_DONT, TN_ECHO);
2834 TelnetRequest(TN_DO, TN_ECHO);
2835 remoteEchoOption = TRUE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we don't want it. */
2842 TelnetRequest(TN_DONT, option);
2847 if (appData.debugMode)
2848 fprintf(debugFP, "\n<WONT ");
2849 switch (option = (unsigned char) buf[++i]) {
2851 if (appData.debugMode)
2852 fprintf(debugFP, "ECHO ");
2853 /* Reply only if this is a change, according
2854 to the protocol rules. */
2855 if (!remoteEchoOption) break;
2857 TelnetRequest(TN_DONT, TN_ECHO);
2858 remoteEchoOption = FALSE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", (unsigned char) option);
2863 /* Whatever this is, it must already be turned
2864 off, because we never agree to turn on
2865 anything non-default, so according to the
2866 protocol rules, we don't reply. */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DO ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 /* Whatever this is, we refuse to do it. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 TelnetRequest(TN_WONT, option);
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DONT ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 if (appData.debugMode)
2888 fprintf(debugFP, "%d ", option);
2889 /* Whatever this is, we are already not doing
2890 it, because we never agree to do anything
2891 non-default, so according to the protocol
2892 rules, we don't reply. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "\n<IAC ");
2899 /* Doubled IAC; pass it through */
2903 if (appData.debugMode)
2904 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2905 /* Drop all other telnet commands on the floor */
2908 if (oldi > next_out)
2909 SendToPlayer(&buf[next_out], oldi - next_out);
2915 /* OK, this at least will *usually* work */
2916 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2920 if (loggedOn && !intfSet) {
2921 if (ics_type == ICS_ICC) {
2922 snprintf(str, MSG_SIZ,
2923 "/set-quietly interface %s\n/set-quietly style 12\n",
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "/set-2 51 1\n/set seek 1\n");
2927 } else if (ics_type == ICS_CHESSNET) {
2928 snprintf(str, MSG_SIZ, "/style 12\n");
2930 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2931 strcat(str, programVersion);
2932 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2933 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2934 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2936 strcat(str, "$iset nohighlight 1\n");
2938 strcat(str, "$iset lock 1\n$style 12\n");
2941 NotifyFrontendLogin();
2945 if (started == STARTED_COMMENT) {
2946 /* Accumulate characters in comment */
2947 parse[parse_pos++] = buf[i];
2948 if (buf[i] == '\n') {
2949 parse[parse_pos] = NULLCHAR;
2950 if(chattingPartner>=0) {
2952 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2953 OutputChatMessage(chattingPartner, mess);
2954 chattingPartner = -1;
2955 next_out = i+1; // [HGM] suppress printing in ICS window
2957 if(!suppressKibitz) // [HGM] kibitz
2958 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2959 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2960 int nrDigit = 0, nrAlph = 0, j;
2961 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2962 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2963 parse[parse_pos] = NULLCHAR;
2964 // try to be smart: if it does not look like search info, it should go to
2965 // ICS interaction window after all, not to engine-output window.
2966 for(j=0; j<parse_pos; j++) { // count letters and digits
2967 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2968 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2969 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2971 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2972 int depth=0; float score;
2973 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2974 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2975 pvInfoList[forwardMostMove-1].depth = depth;
2976 pvInfoList[forwardMostMove-1].score = 100*score;
2978 OutputKibitz(suppressKibitz, parse);
2981 if(gameMode == IcsObserving) // restore original ICS messages
2982 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2984 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2985 SendToPlayer(tmp, strlen(tmp));
2987 next_out = i+1; // [HGM] suppress printing in ICS window
2989 started = STARTED_NONE;
2991 /* Don't match patterns against characters in comment */
2996 if (started == STARTED_CHATTER) {
2997 if (buf[i] != '\n') {
2998 /* Don't match patterns against characters in chatter */
3002 started = STARTED_NONE;
3003 if(suppressKibitz) next_out = i+1;
3006 /* Kludge to deal with rcmd protocol */
3007 if (firstTime && looking_at(buf, &i, "\001*")) {
3008 DisplayFatalError(&buf[1], 0, 1);
3014 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3022 ics_type = ICS_FICS;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3028 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3029 ics_type = ICS_CHESSNET;
3031 if (appData.debugMode)
3032 fprintf(debugFP, "ics_type %d\n", ics_type);
3037 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3038 looking_at(buf, &i, "Logging you in as \"*\"") ||
3039 looking_at(buf, &i, "will be \"*\""))) {
3040 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3044 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3046 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3047 DisplayIcsInteractionTitle(buf);
3048 have_set_title = TRUE;
3051 /* skip finger notes */
3052 if (started == STARTED_NONE &&
3053 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3054 (buf[i] == '1' && buf[i+1] == '0')) &&
3055 buf[i+2] == ':' && buf[i+3] == ' ') {
3056 started = STARTED_CHATTER;
3062 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3063 if(appData.seekGraph) {
3064 if(soughtPending && MatchSoughtLine(buf+i)) {
3065 i = strstr(buf+i, "rated") - buf;
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = leftover_start = i;
3068 started = STARTED_CHATTER;
3069 suppressKibitz = TRUE;
3072 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3073 && looking_at(buf, &i, "* ads displayed")) {
3074 soughtPending = FALSE;
3079 if(appData.autoRefresh) {
3080 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3081 int s = (ics_type == ICS_ICC); // ICC format differs
3083 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3084 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3085 looking_at(buf, &i, "*% "); // eat prompt
3086 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = i; // suppress
3091 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3092 char *p = star_match[0];
3094 if(seekGraphUp) RemoveSeekAd(atoi(p));
3095 while(*p && *p++ != ' '); // next
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3105 /* skip formula vars */
3106 if (started == STARTED_NONE &&
3107 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3108 started = STARTED_CHATTER;
3113 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3114 if (appData.autoKibitz && started == STARTED_NONE &&
3115 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3116 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3117 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3118 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3119 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3120 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3121 suppressKibitz = TRUE;
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3124 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3125 && (gameMode == IcsPlayingWhite)) ||
3126 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3127 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3128 started = STARTED_CHATTER; // own kibitz we simply discard
3130 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3131 parse_pos = 0; parse[0] = NULLCHAR;
3132 savingComment = TRUE;
3133 suppressKibitz = gameMode != IcsObserving ? 2 :
3134 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3138 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3139 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3140 && atoi(star_match[0])) {
3141 // suppress the acknowledgements of our own autoKibitz
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3144 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3145 SendToPlayer(star_match[0], strlen(star_match[0]));
3146 if(looking_at(buf, &i, "*% ")) // eat prompt
3147 suppressKibitz = FALSE;
3151 } // [HGM] kibitz: end of patch
3153 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3155 // [HGM] chat: intercept tells by users for which we have an open chat window
3157 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3158 looking_at(buf, &i, "* whispers:") ||
3159 looking_at(buf, &i, "* kibitzes:") ||
3160 looking_at(buf, &i, "* shouts:") ||
3161 looking_at(buf, &i, "* c-shouts:") ||
3162 looking_at(buf, &i, "--> * ") ||
3163 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3164 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3168 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3169 chattingPartner = -1;
3171 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("kibitzes", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3187 for(p=0; p<MAX_CHAT; p++) {
3188 if(!strcmp("whispers", chatPartner[p])) {
3189 talker[0] = '['; strcat(talker, "] ");
3190 chattingPartner = p; break;
3193 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3194 if(buf[i-8] == '-' && buf[i-3] == 't')
3195 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3196 if(!strcmp("c-shouts", chatPartner[p])) {
3197 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3198 chattingPartner = p; break;
3201 if(chattingPartner < 0)
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("shouts", chatPartner[p])) {
3204 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3205 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3206 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3207 chattingPartner = p; break;
3211 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3212 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3213 talker[0] = 0; Colorize(ColorTell, FALSE);
3214 chattingPartner = p; break;
3216 if(chattingPartner<0) i = oldi; else {
3217 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3218 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 started = STARTED_COMMENT;
3221 parse_pos = 0; parse[0] = NULLCHAR;
3222 savingComment = 3 + chattingPartner; // counts as TRUE
3223 suppressKibitz = TRUE;
3226 } // [HGM] chat: end of patch
3229 if (appData.zippyTalk || appData.zippyPlay) {
3230 /* [DM] Backup address for color zippy lines */
3232 if (loggedOn == TRUE)
3233 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3234 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3236 } // [DM] 'else { ' deleted
3238 /* Regular tells and says */
3239 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3240 looking_at(buf, &i, "* (your partner) tells you: ") ||
3241 looking_at(buf, &i, "* says: ") ||
3242 /* Don't color "message" or "messages" output */
3243 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3244 looking_at(buf, &i, "*. * at *:*: ") ||
3245 looking_at(buf, &i, "--* (*:*): ") ||
3246 /* Message notifications (same color as tells) */
3247 looking_at(buf, &i, "* has left a message ") ||
3248 looking_at(buf, &i, "* just sent you a message:\n") ||
3249 /* Whispers and kibitzes */
3250 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3251 looking_at(buf, &i, "* kibitzes: ") ||
3253 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3255 if (tkind == 1 && strchr(star_match[0], ':')) {
3256 /* Avoid "tells you:" spoofs in channels */
3259 if (star_match[0][0] == NULLCHAR ||
3260 strchr(star_match[0], ' ') ||
3261 (tkind == 3 && strchr(star_match[1], ' '))) {
3262 /* Reject bogus matches */
3265 if (appData.colorize) {
3266 if (oldi > next_out) {
3267 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorTell, FALSE);
3273 curColor = ColorTell;
3276 Colorize(ColorKibitz, FALSE);
3277 curColor = ColorKibitz;
3280 p = strrchr(star_match[1], '(');
3287 Colorize(ColorChannel1, FALSE);
3288 curColor = ColorChannel1;
3290 Colorize(ColorChannel, FALSE);
3291 curColor = ColorChannel;
3295 curColor = ColorNormal;
3299 if (started == STARTED_NONE && appData.autoComment &&
3300 (gameMode == IcsObserving ||
3301 gameMode == IcsPlayingWhite ||
3302 gameMode == IcsPlayingBlack)) {
3303 parse_pos = i - oldi;
3304 memcpy(parse, &buf[oldi], parse_pos);
3305 parse[parse_pos] = NULLCHAR;
3306 started = STARTED_COMMENT;
3307 savingComment = TRUE;
3309 started = STARTED_CHATTER;
3310 savingComment = FALSE;
3317 if (looking_at(buf, &i, "* s-shouts: ") ||
3318 looking_at(buf, &i, "* c-shouts: ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorSShout, FALSE);
3325 curColor = ColorSShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at(buf, &i, "--->")) {
3337 if (looking_at(buf, &i, "* shouts: ") ||
3338 looking_at(buf, &i, "--> ")) {
3339 if (appData.colorize) {
3340 if (oldi > next_out) {
3341 SendToPlayer(&buf[next_out], oldi - next_out);
3344 Colorize(ColorShout, FALSE);
3345 curColor = ColorShout;
3348 started = STARTED_CHATTER;
3352 if (looking_at( buf, &i, "Challenge:")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorChallenge, FALSE);
3359 curColor = ColorChallenge;
3365 if (looking_at(buf, &i, "* offers you") ||
3366 looking_at(buf, &i, "* offers to be") ||
3367 looking_at(buf, &i, "* would like to") ||
3368 looking_at(buf, &i, "* requests to") ||
3369 looking_at(buf, &i, "Your opponent offers") ||
3370 looking_at(buf, &i, "Your opponent requests")) {
3372 if (appData.colorize) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(ColorRequest, FALSE);
3378 curColor = ColorRequest;
3383 if (looking_at(buf, &i, "* (*) seeking")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorSeek, FALSE);
3390 curColor = ColorSeek;
3395 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3397 if (looking_at(buf, &i, "\\ ")) {
3398 if (prevColor != ColorNormal) {
3399 if (oldi > next_out) {
3400 SendToPlayer(&buf[next_out], oldi - next_out);
3403 Colorize(prevColor, TRUE);
3404 curColor = prevColor;
3406 if (savingComment) {
3407 parse_pos = i - oldi;
3408 memcpy(parse, &buf[oldi], parse_pos);
3409 parse[parse_pos] = NULLCHAR;
3410 started = STARTED_COMMENT;
3411 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3412 chattingPartner = savingComment - 3; // kludge to remember the box
3414 started = STARTED_CHATTER;
3419 if (looking_at(buf, &i, "Black Strength :") ||
3420 looking_at(buf, &i, "<<< style 10 board >>>") ||
3421 looking_at(buf, &i, "<10>") ||
3422 looking_at(buf, &i, "#@#")) {
3423 /* Wrong board style */
3425 SendToICS(ics_prefix);
3426 SendToICS("set style 12\n");
3427 SendToICS(ics_prefix);
3428 SendToICS("refresh\n");
3432 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3434 have_sent_ICS_logon = 1;
3438 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3439 (looking_at(buf, &i, "\n<12> ") ||
3440 looking_at(buf, &i, "<12> "))) {
3442 if (oldi > next_out) {
3443 SendToPlayer(&buf[next_out], oldi - next_out);
3446 started = STARTED_BOARD;
3451 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3452 looking_at(buf, &i, "<b1> ")) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 started = STARTED_HOLDINGS;
3462 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3464 /* Header for a move list -- first line */
3466 switch (ics_getting_history) {
3470 case BeginningOfGame:
3471 /* User typed "moves" or "oldmoves" while we
3472 were idle. Pretend we asked for these
3473 moves and soak them up so user can step
3474 through them and/or save them.
3477 gameMode = IcsObserving;
3480 ics_getting_history = H_GOT_UNREQ_HEADER;
3482 case EditGame: /*?*/
3483 case EditPosition: /*?*/
3484 /* Should above feature work in these modes too? */
3485 /* For now it doesn't */
3486 ics_getting_history = H_GOT_UNWANTED_HEADER;
3489 ics_getting_history = H_GOT_UNWANTED_HEADER;
3494 /* Is this the right one? */
3495 if (gameInfo.white && gameInfo.black &&
3496 strcmp(gameInfo.white, star_match[0]) == 0 &&
3497 strcmp(gameInfo.black, star_match[2]) == 0) {
3499 ics_getting_history = H_GOT_REQ_HEADER;
3502 case H_GOT_REQ_HEADER:
3503 case H_GOT_UNREQ_HEADER:
3504 case H_GOT_UNWANTED_HEADER:
3505 case H_GETTING_MOVES:
3506 /* Should not happen */
3507 DisplayError(_("Error gathering move list: two headers"), 0);
3508 ics_getting_history = H_FALSE;
3512 /* Save player ratings into gameInfo if needed */
3513 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3514 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3515 (gameInfo.whiteRating == -1 ||
3516 gameInfo.blackRating == -1)) {
3518 gameInfo.whiteRating = string_to_rating(star_match[1]);
3519 gameInfo.blackRating = string_to_rating(star_match[3]);
3520 if (appData.debugMode)
3521 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3522 gameInfo.whiteRating, gameInfo.blackRating);
3527 if (looking_at(buf, &i,
3528 "* * match, initial time: * minute*, increment: * second")) {
3529 /* Header for a move list -- second line */
3530 /* Initial board will follow if this is a wild game */
3531 if (gameInfo.event != NULL) free(gameInfo.event);
3532 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3533 gameInfo.event = StrSave(str);
3534 /* [HGM] we switched variant. Translate boards if needed. */
3535 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3539 if (looking_at(buf, &i, "Move ")) {
3540 /* Beginning of a move list */
3541 switch (ics_getting_history) {
3543 /* Normally should not happen */
3544 /* Maybe user hit reset while we were parsing */
3547 /* Happens if we are ignoring a move list that is not
3548 * the one we just requested. Common if the user
3549 * tries to observe two games without turning off
3552 case H_GETTING_MOVES:
3553 /* Should not happen */
3554 DisplayError(_("Error gathering move list: nested"), 0);
3555 ics_getting_history = H_FALSE;
3557 case H_GOT_REQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES;
3561 if (oldi > next_out) {
3562 SendToPlayer(&buf[next_out], oldi - next_out);
3565 case H_GOT_UNREQ_HEADER:
3566 ics_getting_history = H_GETTING_MOVES;
3567 started = STARTED_MOVES_NOHIDE;
3570 case H_GOT_UNWANTED_HEADER:
3571 ics_getting_history = H_FALSE;
3577 if (looking_at(buf, &i, "% ") ||
3578 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3579 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3580 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3581 soughtPending = FALSE;
3585 if(suppressKibitz) next_out = i;
3586 savingComment = FALSE;
3590 case STARTED_MOVES_NOHIDE:
3591 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3592 parse[parse_pos + i - oldi] = NULLCHAR;
3593 ParseGameHistory(parse);
3595 if (appData.zippyPlay && first.initDone) {
3596 FeedMovesToProgram(&first, forwardMostMove);
3597 if (gameMode == IcsPlayingWhite) {
3598 if (WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 SendTimeRemaining(&first, TRUE);
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, TRUE);
3615 SendToProgram("playother\n", &first);
3621 } else if (gameMode == IcsPlayingBlack) {
3622 if (!WhiteOnMove(forwardMostMove)) {
3623 if (first.sendTime) {
3624 if (first.useColors) {
3625 SendToProgram("white\n", &first);
3627 SendTimeRemaining(&first, FALSE);
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3633 first.maybeThinking = TRUE;
3635 if (first.usePlayother) {
3636 if (first.sendTime) {
3637 SendTimeRemaining(&first, FALSE);
3639 SendToProgram("playother\n", &first);
3648 if (gameMode == IcsObserving && ics_gamenum == -1) {
3649 /* Moves came from oldmoves or moves command
3650 while we weren't doing anything else.
3652 currentMove = forwardMostMove;
3653 ClearHighlights();/*!!could figure this out*/
3654 flipView = appData.flipView;
3655 DrawPosition(TRUE, boards[currentMove]);
3656 DisplayBothClocks();
3657 snprintf(str, MSG_SIZ, "%s %s %s",
3658 gameInfo.white, _("vs."), gameInfo.black);
3662 /* Moves were history of an active game */
3663 if (gameInfo.resultDetails != NULL) {
3664 free(gameInfo.resultDetails);
3665 gameInfo.resultDetails = NULL;
3668 HistorySet(parseList, backwardMostMove,
3669 forwardMostMove, currentMove-1);
3670 DisplayMove(currentMove - 1);
3671 if (started == STARTED_MOVES) next_out = i;
3672 started = STARTED_NONE;
3673 ics_getting_history = H_FALSE;
3676 case STARTED_OBSERVE:
3677 started = STARTED_NONE;
3678 SendToICS(ics_prefix);
3679 SendToICS("refresh\n");
3685 if(bookHit) { // [HGM] book: simulate book reply
3686 static char bookMove[MSG_SIZ]; // a bit generous?
3688 programStats.nodes = programStats.depth = programStats.time =
3689 programStats.score = programStats.got_only_move = 0;
3690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3693 strcat(bookMove, bookHit);
3694 HandleMachineMove(bookMove, &first);
3699 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3700 started == STARTED_HOLDINGS ||
3701 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3702 /* Accumulate characters in move list or board */
3703 parse[parse_pos++] = buf[i];
3706 /* Start of game messages. Mostly we detect start of game
3707 when the first board image arrives. On some versions
3708 of the ICS, though, we need to do a "refresh" after starting
3709 to observe in order to get the current board right away. */
3710 if (looking_at(buf, &i, "Adding game * to observation list")) {
3711 started = STARTED_OBSERVE;
3715 /* Handle auto-observe */
3716 if (appData.autoObserve &&
3717 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3718 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3720 /* Choose the player that was highlighted, if any. */
3721 if (star_match[0][0] == '\033' ||
3722 star_match[1][0] != '\033') {
3723 player = star_match[0];
3725 player = star_match[2];
3727 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3728 ics_prefix, StripHighlightAndTitle(player));
3731 /* Save ratings from notify string */
3732 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3733 player1Rating = string_to_rating(star_match[1]);
3734 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3735 player2Rating = string_to_rating(star_match[3]);
3737 if (appData.debugMode)
3739 "Ratings from 'Game notification:' %s %d, %s %d\n",
3740 player1Name, player1Rating,
3741 player2Name, player2Rating);
3746 /* Deal with automatic examine mode after a game,
3747 and with IcsObserving -> IcsExamining transition */
3748 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3749 looking_at(buf, &i, "has made you an examiner of game *")) {
3751 int gamenum = atoi(star_match[0]);
3752 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3753 gamenum == ics_gamenum) {
3754 /* We were already playing or observing this game;
3755 no need to refetch history */
3756 gameMode = IcsExamining;
3758 pauseExamForwardMostMove = forwardMostMove;
3759 } else if (currentMove < forwardMostMove) {
3760 ForwardInner(forwardMostMove);
3763 /* I don't think this case really can happen */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3770 /* Error messages */
3771 // if (ics_user_moved) {
3772 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3773 if (looking_at(buf, &i, "Illegal move") ||
3774 looking_at(buf, &i, "Not a legal move") ||
3775 looking_at(buf, &i, "Your king is in check") ||
3776 looking_at(buf, &i, "It isn't your turn") ||
3777 looking_at(buf, &i, "It is not your move")) {
3779 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3780 currentMove = forwardMostMove-1;
3781 DisplayMove(currentMove - 1); /* before DMError */
3782 DrawPosition(FALSE, boards[currentMove]);
3783 SwitchClocks(forwardMostMove-1); // [HGM] race
3784 DisplayBothClocks();
3786 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3792 if (looking_at(buf, &i, "still have time") ||
3793 looking_at(buf, &i, "not out of time") ||
3794 looking_at(buf, &i, "either player is out of time") ||
3795 looking_at(buf, &i, "has timeseal; checking")) {
3796 /* We must have called his flag a little too soon */
3797 whiteFlag = blackFlag = FALSE;
3801 if (looking_at(buf, &i, "added * seconds to") ||
3802 looking_at(buf, &i, "seconds were added to")) {
3803 /* Update the clocks */
3804 SendToICS(ics_prefix);
3805 SendToICS("refresh\n");
3809 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3810 ics_clock_paused = TRUE;
3815 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3816 ics_clock_paused = FALSE;
3821 /* Grab player ratings from the Creating: message.
3822 Note we have to check for the special case when
3823 the ICS inserts things like [white] or [black]. */
3824 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3825 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3827 0 player 1 name (not necessarily white)
3829 2 empty, white, or black (IGNORED)
3830 3 player 2 name (not necessarily black)
3833 The names/ratings are sorted out when the game
3834 actually starts (below).
3836 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3837 player1Rating = string_to_rating(star_match[1]);
3838 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3839 player2Rating = string_to_rating(star_match[4]);
3841 if (appData.debugMode)
3843 "Ratings from 'Creating:' %s %d, %s %d\n",
3844 player1Name, player1Rating,
3845 player2Name, player2Rating);
3850 /* Improved generic start/end-of-game messages */
3851 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3852 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3853 /* If tkind == 0: */
3854 /* star_match[0] is the game number */
3855 /* [1] is the white player's name */
3856 /* [2] is the black player's name */
3857 /* For end-of-game: */
3858 /* [3] is the reason for the game end */
3859 /* [4] is a PGN end game-token, preceded by " " */
3860 /* For start-of-game: */
3861 /* [3] begins with "Creating" or "Continuing" */
3862 /* [4] is " *" or empty (don't care). */
3863 int gamenum = atoi(star_match[0]);
3864 char *whitename, *blackname, *why, *endtoken;
3865 ChessMove endtype = EndOfFile;
3868 whitename = star_match[1];
3869 blackname = star_match[2];
3870 why = star_match[3];
3871 endtoken = star_match[4];
3873 whitename = star_match[1];
3874 blackname = star_match[3];
3875 why = star_match[5];
3876 endtoken = star_match[6];
3879 /* Game start messages */
3880 if (strncmp(why, "Creating ", 9) == 0 ||
3881 strncmp(why, "Continuing ", 11) == 0) {
3882 gs_gamenum = gamenum;
3883 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3884 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3885 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3887 if (appData.zippyPlay) {
3888 ZippyGameStart(whitename, blackname);
3891 partnerBoardValid = FALSE; // [HGM] bughouse
3895 /* Game end messages */
3896 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3897 ics_gamenum != gamenum) {
3900 while (endtoken[0] == ' ') endtoken++;
3901 switch (endtoken[0]) {
3904 endtype = GameUnfinished;
3907 endtype = BlackWins;
3910 if (endtoken[1] == '/')
3911 endtype = GameIsDrawn;
3913 endtype = WhiteWins;
3916 GameEnds(endtype, why, GE_ICS);
3918 if (appData.zippyPlay && first.initDone) {
3919 ZippyGameEnd(endtype, why);
3920 if (first.pr == NoProc) {
3921 /* Start the next process early so that we'll
3922 be ready for the next challenge */
3923 StartChessProgram(&first);
3925 /* Send "new" early, in case this command takes
3926 a long time to finish, so that we'll be ready
3927 for the next challenge. */
3928 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3932 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3936 if (looking_at(buf, &i, "Removing game * from observation") ||
3937 looking_at(buf, &i, "no longer observing game *") ||
3938 looking_at(buf, &i, "Game * (*) has no examiners")) {
3939 if (gameMode == IcsObserving &&
3940 atoi(star_match[0]) == ics_gamenum)
3942 /* icsEngineAnalyze */
3943 if (appData.icsEngineAnalyze) {
3950 ics_user_moved = FALSE;
3955 if (looking_at(buf, &i, "no longer examining game *")) {
3956 if (gameMode == IcsExamining &&
3957 atoi(star_match[0]) == ics_gamenum)
3961 ics_user_moved = FALSE;
3966 /* Advance leftover_start past any newlines we find,
3967 so only partial lines can get reparsed */
3968 if (looking_at(buf, &i, "\n")) {
3969 prevColor = curColor;
3970 if (curColor != ColorNormal) {
3971 if (oldi > next_out) {
3972 SendToPlayer(&buf[next_out], oldi - next_out);
3975 Colorize(ColorNormal, FALSE);
3976 curColor = ColorNormal;
3978 if (started == STARTED_BOARD) {
3979 started = STARTED_NONE;
3980 parse[parse_pos] = NULLCHAR;
3981 ParseBoard12(parse);
3984 /* Send premove here */
3985 if (appData.premove) {
3987 if (currentMove == 0 &&
3988 gameMode == IcsPlayingWhite &&
3989 appData.premoveWhite) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (currentMove == 1 &&
3995 gameMode == IcsPlayingBlack &&
3996 appData.premoveBlack) {
3997 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Sending premove:\n");
4001 } else if (gotPremove) {
4003 ClearPremoveHighlights();
4004 if (appData.debugMode)
4005 fprintf(debugFP, "Sending premove:\n");
4006 UserMoveEvent(premoveFromX, premoveFromY,
4007 premoveToX, premoveToY,
4012 /* Usually suppress following prompt */
4013 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4014 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4015 if (looking_at(buf, &i, "*% ")) {
4016 savingComment = FALSE;
4021 } else if (started == STARTED_HOLDINGS) {
4023 char new_piece[MSG_SIZ];
4024 started = STARTED_NONE;
4025 parse[parse_pos] = NULLCHAR;
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4028 parse, currentMove);
4029 if (sscanf(parse, " game %d", &gamenum) == 1) {
4030 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4031 if (gameInfo.variant == VariantNormal) {
4032 /* [HGM] We seem to switch variant during a game!
4033 * Presumably no holdings were displayed, so we have
4034 * to move the position two files to the right to
4035 * create room for them!
4037 VariantClass newVariant;
4038 switch(gameInfo.boardWidth) { // base guess on board width
4039 case 9: newVariant = VariantShogi; break;
4040 case 10: newVariant = VariantGreat; break;
4041 default: newVariant = VariantCrazyhouse; break;
4043 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4044 /* Get a move list just to see the header, which
4045 will tell us whether this is really bug or zh */
4046 if (ics_getting_history == H_FALSE) {
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 new_piece[0] = NULLCHAR;
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to board holdings area */
4059 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4060 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4061 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4063 if (appData.zippyPlay && first.initDone) {
4064 ZippyHoldings(white_holding, black_holding,
4068 if (tinyLayout || smallLayout) {
4069 char wh[16], bh[16];
4070 PackHolding(wh, white_holding);
4071 PackHolding(bh, black_holding);
4072 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4073 gameInfo.white, gameInfo.black);
4075 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4076 gameInfo.white, white_holding, _("vs."),
4077 gameInfo.black, black_holding);
4079 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4080 DrawPosition(FALSE, boards[currentMove]);
4082 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4083 sscanf(parse, "game %d white [%s black [%s <- %s",
4084 &gamenum, white_holding, black_holding,
4086 white_holding[strlen(white_holding)-1] = NULLCHAR;
4087 black_holding[strlen(black_holding)-1] = NULLCHAR;
4088 /* [HGM] copy holdings to partner-board holdings area */
4089 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4090 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4091 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4092 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4093 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4096 /* Suppress following prompt */
4097 if (looking_at(buf, &i, "*% ")) {
4098 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4099 savingComment = FALSE;
4107 i++; /* skip unparsed character and loop back */
4110 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4111 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4112 // SendToPlayer(&buf[next_out], i - next_out);
4113 started != STARTED_HOLDINGS && leftover_start > next_out) {
4114 SendToPlayer(&buf[next_out], leftover_start - next_out);
4118 leftover_len = buf_len - leftover_start;
4119 /* if buffer ends with something we couldn't parse,
4120 reparse it after appending the next read */
4122 } else if (count == 0) {
4123 RemoveInputSource(isr);
4124 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4126 DisplayFatalError(_("Error reading from ICS"), error, 1);
4131 /* Board style 12 looks like this:
4133 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4135 * The "<12> " is stripped before it gets to this routine. The two
4136 * trailing 0's (flip state and clock ticking) are later addition, and
4137 * some chess servers may not have them, or may have only the first.
4138 * Additional trailing fields may be added in the future.
4141 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4143 #define RELATION_OBSERVING_PLAYED 0
4144 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4145 #define RELATION_PLAYING_MYMOVE 1
4146 #define RELATION_PLAYING_NOTMYMOVE -1
4147 #define RELATION_EXAMINING 2
4148 #define RELATION_ISOLATED_BOARD -3
4149 #define RELATION_STARTING_POSITION -4 /* FICS only */
4152 ParseBoard12 (char *string)
4154 GameMode newGameMode;
4155 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4156 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4157 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4158 char to_play, board_chars[200];
4159 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4160 char black[32], white[32];
4162 int prevMove = currentMove;
4165 int fromX, fromY, toX, toY;
4167 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4168 char *bookHit = NULL; // [HGM] book
4169 Boolean weird = FALSE, reqFlag = FALSE;
4171 fromX = fromY = toX = toY = -1;
4175 if (appData.debugMode)
4176 fprintf(debugFP, _("Parsing board: %s\n"), string);
4178 move_str[0] = NULLCHAR;
4179 elapsed_time[0] = NULLCHAR;
4180 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4182 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4183 if(string[i] == ' ') { ranks++; files = 0; }
4185 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4188 for(j = 0; j <i; j++) board_chars[j] = string[j];
4189 board_chars[i] = '\0';
4192 n = sscanf(string, PATTERN, &to_play, &double_push,
4193 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4194 &gamenum, white, black, &relation, &basetime, &increment,
4195 &white_stren, &black_stren, &white_time, &black_time,
4196 &moveNum, str, elapsed_time, move_str, &ics_flip,
4200 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4201 DisplayError(str, 0);
4205 /* Convert the move number to internal form */
4206 moveNum = (moveNum - 1) * 2;
4207 if (to_play == 'B') moveNum++;
4208 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4209 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4215 case RELATION_OBSERVING_PLAYED:
4216 case RELATION_OBSERVING_STATIC:
4217 if (gamenum == -1) {
4218 /* Old ICC buglet */
4219 relation = RELATION_OBSERVING_STATIC;
4221 newGameMode = IcsObserving;
4223 case RELATION_PLAYING_MYMOVE:
4224 case RELATION_PLAYING_NOTMYMOVE:
4226 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4227 IcsPlayingWhite : IcsPlayingBlack;
4228 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4230 case RELATION_EXAMINING:
4231 newGameMode = IcsExamining;
4233 case RELATION_ISOLATED_BOARD:
4235 /* Just display this board. If user was doing something else,
4236 we will forget about it until the next board comes. */
4237 newGameMode = IcsIdle;
4239 case RELATION_STARTING_POSITION:
4240 newGameMode = gameMode;
4244 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4245 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4246 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4247 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4249 for (k = 0; k < ranks; k++) {
4250 for (j = 0; j < files; j++)
4251 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4252 if(gameInfo.holdingsWidth > 1) {
4253 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4254 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4257 CopyBoard(partnerBoard, board);
4258 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4259 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4260 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4261 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4262 if(toSqr = strchr(str, '-')) {
4263 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4264 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4265 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4266 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4267 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4268 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4270 DisplayWhiteClock(white_time*fac, to_play == 'W');
4271 DisplayBlackClock(black_time*fac, to_play != 'W');
4272 activePartner = to_play;
4273 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4274 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4275 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4276 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4277 DisplayMessage(partnerStatus, "");
4278 partnerBoardValid = TRUE;
4282 /* Modify behavior for initial board display on move listing
4285 switch (ics_getting_history) {
4289 case H_GOT_REQ_HEADER:
4290 case H_GOT_UNREQ_HEADER:
4291 /* This is the initial position of the current game */
4292 gamenum = ics_gamenum;
4293 moveNum = 0; /* old ICS bug workaround */
4294 if (to_play == 'B') {
4295 startedFromSetupPosition = TRUE;
4296 blackPlaysFirst = TRUE;
4298 if (forwardMostMove == 0) forwardMostMove = 1;
4299 if (backwardMostMove == 0) backwardMostMove = 1;
4300 if (currentMove == 0) currentMove = 1;
4302 newGameMode = gameMode;
4303 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4305 case H_GOT_UNWANTED_HEADER:
4306 /* This is an initial board that we don't want */
4308 case H_GETTING_MOVES:
4309 /* Should not happen */
4310 DisplayError(_("Error gathering move list: extra board"), 0);
4311 ics_getting_history = H_FALSE;
4315 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4316 weird && (int)gameInfo.variant < (int)VariantShogi) {
4317 /* [HGM] We seem to have switched variant unexpectedly
4318 * Try to guess new variant from board size
4320 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4321 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4322 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4323 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4324 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4325 if(!weird) newVariant = VariantNormal;
4326 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4327 /* Get a move list just to see the header, which
4328 will tell us whether this is really bug or zh */
4329 if (ics_getting_history == H_FALSE) {
4330 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4331 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4336 /* Take action if this is the first board of a new game, or of a
4337 different game than is currently being displayed. */
4338 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4339 relation == RELATION_ISOLATED_BOARD) {
4341 /* Forget the old game and get the history (if any) of the new one */
4342 if (gameMode != BeginningOfGame) {
4346 if (appData.autoRaiseBoard) BoardToTop();
4348 if (gamenum == -1) {
4349 newGameMode = IcsIdle;
4350 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4351 appData.getMoveList && !reqFlag) {
4352 /* Need to get game history */
4353 ics_getting_history = H_REQUESTED;
4354 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4358 /* Initially flip the board to have black on the bottom if playing
4359 black or if the ICS flip flag is set, but let the user change
4360 it with the Flip View button. */
4361 flipView = appData.autoFlipView ?
4362 (newGameMode == IcsPlayingBlack) || ics_flip :
4365 /* Done with values from previous mode; copy in new ones */
4366 gameMode = newGameMode;
4368 ics_gamenum = gamenum;
4369 if (gamenum == gs_gamenum) {
4370 int klen = strlen(gs_kind);
4371 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4372 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4373 gameInfo.event = StrSave(str);
4375 gameInfo.event = StrSave("ICS game");
4377 gameInfo.site = StrSave(appData.icsHost);
4378 gameInfo.date = PGNDate();
4379 gameInfo.round = StrSave("-");
4380 gameInfo.white = StrSave(white);
4381 gameInfo.black = StrSave(black);
4382 timeControl = basetime * 60 * 1000;
4384 timeIncrement = increment * 1000;
4385 movesPerSession = 0;
4386 gameInfo.timeControl = TimeControlTagValue();
4387 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4388 if (appData.debugMode) {
4389 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4390 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4391 setbuf(debugFP, NULL);
4394 gameInfo.outOfBook = NULL;
4396 /* Do we have the ratings? */
4397 if (strcmp(player1Name, white) == 0 &&
4398 strcmp(player2Name, black) == 0) {
4399 if (appData.debugMode)
4400 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4401 player1Rating, player2Rating);
4402 gameInfo.whiteRating = player1Rating;
4403 gameInfo.blackRating = player2Rating;
4404 } else if (strcmp(player2Name, white) == 0 &&
4405 strcmp(player1Name, black) == 0) {
4406 if (appData.debugMode)
4407 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4408 player2Rating, player1Rating);
4409 gameInfo.whiteRating = player2Rating;
4410 gameInfo.blackRating = player1Rating;
4412 player1Name[0] = player2Name[0] = NULLCHAR;
4414 /* Silence shouts if requested */
4415 if (appData.quietPlay &&
4416 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4417 SendToICS(ics_prefix);
4418 SendToICS("set shout 0\n");
4422 /* Deal with midgame name changes */
4424 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4425 if (gameInfo.white) free(gameInfo.white);
4426 gameInfo.white = StrSave(white);
4428 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4429 if (gameInfo.black) free(gameInfo.black);
4430 gameInfo.black = StrSave(black);
4434 /* Throw away game result if anything actually changes in examine mode */
4435 if (gameMode == IcsExamining && !newGame) {
4436 gameInfo.result = GameUnfinished;
4437 if (gameInfo.resultDetails != NULL) {
4438 free(gameInfo.resultDetails);
4439 gameInfo.resultDetails = NULL;
4443 /* In pausing && IcsExamining mode, we ignore boards coming
4444 in if they are in a different variation than we are. */
4445 if (pauseExamInvalid) return;
4446 if (pausing && gameMode == IcsExamining) {
4447 if (moveNum <= pauseExamForwardMostMove) {
4448 pauseExamInvalid = TRUE;
4449 forwardMostMove = pauseExamForwardMostMove;
4454 if (appData.debugMode) {
4455 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4457 /* Parse the board */
4458 for (k = 0; k < ranks; k++) {
4459 for (j = 0; j < files; j++)
4460 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4461 if(gameInfo.holdingsWidth > 1) {
4462 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4463 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4466 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4467 board[5][BOARD_RGHT+1] = WhiteAngel;
4468 board[6][BOARD_RGHT+1] = WhiteMarshall;
4469 board[1][0] = BlackMarshall;
4470 board[2][0] = BlackAngel;
4471 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4473 CopyBoard(boards[moveNum], board);
4474 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4476 startedFromSetupPosition =
4477 !CompareBoards(board, initialPosition);
4478 if(startedFromSetupPosition)
4479 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4482 /* [HGM] Set castling rights. Take the outermost Rooks,
4483 to make it also work for FRC opening positions. Note that board12
4484 is really defective for later FRC positions, as it has no way to
4485 indicate which Rook can castle if they are on the same side of King.
4486 For the initial position we grant rights to the outermost Rooks,
4487 and remember thos rights, and we then copy them on positions
4488 later in an FRC game. This means WB might not recognize castlings with
4489 Rooks that have moved back to their original position as illegal,
4490 but in ICS mode that is not its job anyway.
4492 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4493 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4495 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4496 if(board[0][i] == WhiteRook) j = i;
4497 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4498 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4499 if(board[0][i] == WhiteRook) j = i;
4500 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4501 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4502 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4503 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4504 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4505 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4506 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4508 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4509 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4510 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4511 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4512 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4513 if(board[BOARD_HEIGHT-1][k] == bKing)
4514 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4515 if(gameInfo.variant == VariantTwoKings) {
4516 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4517 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4518 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4521 r = boards[moveNum][CASTLING][0] = initialRights[0];
4522 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4523 r = boards[moveNum][CASTLING][1] = initialRights[1];
4524 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4525 r = boards[moveNum][CASTLING][3] = initialRights[3];
4526 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4527 r = boards[moveNum][CASTLING][4] = initialRights[4];
4528 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4529 /* wildcastle kludge: always assume King has rights */
4530 r = boards[moveNum][CASTLING][2] = initialRights[2];
4531 r = boards[moveNum][CASTLING][5] = initialRights[5];
4533 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4534 boards[moveNum][EP_STATUS] = EP_NONE;
4535 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4536 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4537 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4540 if (ics_getting_history == H_GOT_REQ_HEADER ||
4541 ics_getting_history == H_GOT_UNREQ_HEADER) {
4542 /* This was an initial position from a move list, not
4543 the current position */
4547 /* Update currentMove and known move number limits */
4548 newMove = newGame || moveNum > forwardMostMove;
4551 forwardMostMove = backwardMostMove = currentMove = moveNum;
4552 if (gameMode == IcsExamining && moveNum == 0) {
4553 /* Workaround for ICS limitation: we are not told the wild
4554 type when starting to examine a game. But if we ask for
4555 the move list, the move list header will tell us */
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4560 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4561 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4563 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4564 /* [HGM] applied this also to an engine that is silently watching */
4565 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4566 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4567 gameInfo.variant == currentlyInitializedVariant) {
4568 takeback = forwardMostMove - moveNum;
4569 for (i = 0; i < takeback; i++) {
4570 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4571 SendToProgram("undo\n", &first);
4576 forwardMostMove = moveNum;
4577 if (!pausing || currentMove > forwardMostMove)
4578 currentMove = forwardMostMove;
4580 /* New part of history that is not contiguous with old part */
4581 if (pausing && gameMode == IcsExamining) {
4582 pauseExamInvalid = TRUE;
4583 forwardMostMove = pauseExamForwardMostMove;
4586 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4588 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4589 // [HGM] when we will receive the move list we now request, it will be
4590 // fed to the engine from the first move on. So if the engine is not
4591 // in the initial position now, bring it there.
4592 InitChessProgram(&first, 0);
4595 ics_getting_history = H_REQUESTED;
4596 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4599 forwardMostMove = backwardMostMove = currentMove = moveNum;
4602 /* Update the clocks */
4603 if (strchr(elapsed_time, '.')) {
4605 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4606 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4608 /* Time is in seconds */
4609 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4610 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4615 if (appData.zippyPlay && newGame &&
4616 gameMode != IcsObserving && gameMode != IcsIdle &&
4617 gameMode != IcsExamining)
4618 ZippyFirstBoard(moveNum, basetime, increment);
4621 /* Put the move on the move list, first converting
4622 to canonical algebraic form. */
4624 if (appData.debugMode) {
4625 if (appData.debugMode) { int f = forwardMostMove;
4626 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4627 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4628 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4630 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4631 fprintf(debugFP, "moveNum = %d\n", moveNum);
4632 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4633 setbuf(debugFP, NULL);
4635 if (moveNum <= backwardMostMove) {
4636 /* We don't know what the board looked like before
4638 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4639 strcat(parseList[moveNum - 1], " ");
4640 strcat(parseList[moveNum - 1], elapsed_time);
4641 moveList[moveNum - 1][0] = NULLCHAR;
4642 } else if (strcmp(move_str, "none") == 0) {
4643 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4644 /* Again, we don't know what the board looked like;
4645 this is really the start of the game. */
4646 parseList[moveNum - 1][0] = NULLCHAR;
4647 moveList[moveNum - 1][0] = NULLCHAR;
4648 backwardMostMove = moveNum;
4649 startedFromSetupPosition = TRUE;
4650 fromX = fromY = toX = toY = -1;
4652 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4653 // So we parse the long-algebraic move string in stead of the SAN move
4654 int valid; char buf[MSG_SIZ], *prom;
4656 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4657 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4658 // str looks something like "Q/a1-a2"; kill the slash
4660 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4661 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4662 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4663 strcat(buf, prom); // long move lacks promo specification!
4664 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4665 if(appData.debugMode)
4666 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4667 safeStrCpy(move_str, buf, MSG_SIZ);
4669 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4670 &fromX, &fromY, &toX, &toY, &promoChar)
4671 || ParseOneMove(buf, moveNum - 1, &moveType,
4672 &fromX, &fromY, &toX, &toY, &promoChar);
4673 // end of long SAN patch
4675 (void) CoordsToAlgebraic(boards[moveNum - 1],
4676 PosFlags(moveNum - 1),
4677 fromY, fromX, toY, toX, promoChar,
4678 parseList[moveNum-1]);
4679 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4685 if(gameInfo.variant != VariantShogi)
4686 strcat(parseList[moveNum - 1], "+");
4689 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4690 strcat(parseList[moveNum - 1], "#");
4693 strcat(parseList[moveNum - 1], " ");
4694 strcat(parseList[moveNum - 1], elapsed_time);
4695 /* currentMoveString is set as a side-effect of ParseOneMove */
4696 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4697 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4698 strcat(moveList[moveNum - 1], "\n");
4700 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4701 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4702 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4703 ChessSquare old, new = boards[moveNum][k][j];
4704 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4705 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4706 if(old == new) continue;
4707 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4708 else if(new == WhiteWazir || new == BlackWazir) {
4709 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4710 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4711 else boards[moveNum][k][j] = old; // preserve type of Gold
4712 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4713 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4716 /* Move from ICS was illegal!? Punt. */
4717 if (appData.debugMode) {
4718 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4719 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4721 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4722 strcat(parseList[moveNum - 1], " ");
4723 strcat(parseList[moveNum - 1], elapsed_time);
4724 moveList[moveNum - 1][0] = NULLCHAR;
4725 fromX = fromY = toX = toY = -1;
4728 if (appData.debugMode) {
4729 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4730 setbuf(debugFP, NULL);
4734 /* Send move to chess program (BEFORE animating it). */
4735 if (appData.zippyPlay && !newGame && newMove &&
4736 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4738 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4739 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4740 if (moveList[moveNum - 1][0] == NULLCHAR) {
4741 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4743 DisplayError(str, 0);
4745 if (first.sendTime) {
4746 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4748 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4749 if (firstMove && !bookHit) {
4751 if (first.useColors) {
4752 SendToProgram(gameMode == IcsPlayingWhite ?
4754 "black\ngo\n", &first);
4756 SendToProgram("go\n", &first);
4758 first.maybeThinking = TRUE;
4761 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4762 if (moveList[moveNum - 1][0] == NULLCHAR) {
4763 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4764 DisplayError(str, 0);
4766 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4767 SendMoveToProgram(moveNum - 1, &first);
4774 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4775 /* If move comes from a remote source, animate it. If it
4776 isn't remote, it will have already been animated. */
4777 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4778 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4780 if (!pausing && appData.highlightLastMove) {
4781 SetHighlights(fromX, fromY, toX, toY);
4785 /* Start the clocks */
4786 whiteFlag = blackFlag = FALSE;
4787 appData.clockMode = !(basetime == 0 && increment == 0);
4789 ics_clock_paused = TRUE;
4791 } else if (ticking == 1) {
4792 ics_clock_paused = FALSE;
4794 if (gameMode == IcsIdle ||
4795 relation == RELATION_OBSERVING_STATIC ||
4796 relation == RELATION_EXAMINING ||
4798 DisplayBothClocks();
4802 /* Display opponents and material strengths */
4803 if (gameInfo.variant != VariantBughouse &&
4804 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4805 if (tinyLayout || smallLayout) {
4806 if(gameInfo.variant == VariantNormal)
4807 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4808 gameInfo.white, white_stren, gameInfo.black, black_stren,
4809 basetime, increment);
4811 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4812 gameInfo.white, white_stren, gameInfo.black, black_stren,
4813 basetime, increment, (int) gameInfo.variant);
4815 if(gameInfo.variant == VariantNormal)
4816 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4817 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4818 basetime, increment);
4820 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4821 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4822 basetime, increment, VariantName(gameInfo.variant));
4825 if (appData.debugMode) {
4826 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4831 /* Display the board */
4832 if (!pausing && !appData.noGUI) {
4834 if (appData.premove)
4836 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4837 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4838 ClearPremoveHighlights();
4840 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4841 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4842 DrawPosition(j, boards[currentMove]);
4844 DisplayMove(moveNum - 1);
4845 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4846 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4847 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4848 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4852 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4854 if(bookHit) { // [HGM] book: simulate book reply
4855 static char bookMove[MSG_SIZ]; // a bit generous?
4857 programStats.nodes = programStats.depth = programStats.time =
4858 programStats.score = programStats.got_only_move = 0;
4859 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4861 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4862 strcat(bookMove, bookHit);
4863 HandleMachineMove(bookMove, &first);
4872 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4873 ics_getting_history = H_REQUESTED;
4874 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4880 AnalysisPeriodicEvent (int force)
4882 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4883 && !force) || !appData.periodicUpdates)
4886 /* Send . command to Crafty to collect stats */
4887 SendToProgram(".\n", &first);
4889 /* Don't send another until we get a response (this makes
4890 us stop sending to old Crafty's which don't understand
4891 the "." command (sending illegal cmds resets node count & time,
4892 which looks bad)) */
4893 programStats.ok_to_send = 0;
4897 ics_update_width (int new_width)
4899 ics_printf("set width %d\n", new_width);
4903 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4907 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4908 // null move in variant where engine does not understand it (for analysis purposes)
4909 SendBoard(cps, moveNum + 1); // send position after move in stead.
4912 if (cps->useUsermove) {
4913 SendToProgram("usermove ", cps);
4917 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4918 int len = space - parseList[moveNum];
4919 memcpy(buf, parseList[moveNum], len);
4921 buf[len] = NULLCHAR;
4923 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4925 SendToProgram(buf, cps);
4927 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4928 AlphaRank(moveList[moveNum], 4);
4929 SendToProgram(moveList[moveNum], cps);
4930 AlphaRank(moveList[moveNum], 4); // and back
4932 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4933 * the engine. It would be nice to have a better way to identify castle
4935 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4936 && cps->useOOCastle) {
4937 int fromX = moveList[moveNum][0] - AAA;
4938 int fromY = moveList[moveNum][1] - ONE;
4939 int toX = moveList[moveNum][2] - AAA;
4940 int toY = moveList[moveNum][3] - ONE;
4941 if((boards[moveNum][fromY][fromX] == WhiteKing
4942 && boards[moveNum][toY][toX] == WhiteRook)
4943 || (boards[moveNum][fromY][fromX] == BlackKing
4944 && boards[moveNum][toY][toX] == BlackRook)) {
4945 if(toX > fromX) SendToProgram("O-O\n", cps);
4946 else SendToProgram("O-O-O\n", cps);
4948 else SendToProgram(moveList[moveNum], cps);
4950 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4951 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4952 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4953 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4954 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4956 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4957 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4958 SendToProgram(buf, cps);
4960 else SendToProgram(moveList[moveNum], cps);
4961 /* End of additions by Tord */
4964 /* [HGM] setting up the opening has brought engine in force mode! */
4965 /* Send 'go' if we are in a mode where machine should play. */
4966 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4967 (gameMode == TwoMachinesPlay ||
4969 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4971 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4972 SendToProgram("go\n", cps);
4973 if (appData.debugMode) {
4974 fprintf(debugFP, "(extra)\n");
4977 setboardSpoiledMachineBlack = 0;
4981 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4983 char user_move[MSG_SIZ];
4986 if(gameInfo.variant == VariantSChess && promoChar) {
4987 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4988 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4989 } else suffix[0] = NULLCHAR;
4993 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4994 (int)moveType, fromX, fromY, toX, toY);
4995 DisplayError(user_move + strlen("say "), 0);
4997 case WhiteKingSideCastle:
4998 case BlackKingSideCastle:
4999 case WhiteQueenSideCastleWild:
5000 case BlackQueenSideCastleWild:
5002 case WhiteHSideCastleFR:
5003 case BlackHSideCastleFR:
5005 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5007 case WhiteQueenSideCastle:
5008 case BlackQueenSideCastle:
5009 case WhiteKingSideCastleWild:
5010 case BlackKingSideCastleWild:
5012 case WhiteASideCastleFR:
5013 case BlackASideCastleFR:
5015 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5017 case WhiteNonPromotion:
5018 case BlackNonPromotion:
5019 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5021 case WhitePromotion:
5022 case BlackPromotion:
5023 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5024 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5025 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5026 PieceToChar(WhiteFerz));
5027 else if(gameInfo.variant == VariantGreat)
5028 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5029 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5030 PieceToChar(WhiteMan));
5032 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5033 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5039 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5040 ToUpper(PieceToChar((ChessSquare) fromX)),
5041 AAA + toX, ONE + toY);
5043 case IllegalMove: /* could be a variant we don't quite understand */
5044 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5046 case WhiteCapturesEnPassant:
5047 case BlackCapturesEnPassant:
5048 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5049 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5052 SendToICS(user_move);
5053 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5054 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5059 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5060 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5061 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5062 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5063 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5066 if(gameMode != IcsExamining) { // is this ever not the case?
5067 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5069 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5070 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5071 } else { // on FICS we must first go to general examine mode
5072 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5074 if(gameInfo.variant != VariantNormal) {
5075 // try figure out wild number, as xboard names are not always valid on ICS
5076 for(i=1; i<=36; i++) {
5077 snprintf(buf, MSG_SIZ, "wild/%d", i);
5078 if(StringToVariant(buf) == gameInfo.variant) break;
5080 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5081 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5082 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5083 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5084 SendToICS(ics_prefix);
5086 if(startedFromSetupPosition || backwardMostMove != 0) {
5087 fen = PositionToFEN(backwardMostMove, NULL);
5088 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5089 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5091 } else { // FICS: everything has to set by separate bsetup commands
5092 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5093 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5095 if(!WhiteOnMove(backwardMostMove)) {
5096 SendToICS("bsetup tomove black\n");
5098 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5099 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5101 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5102 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5104 i = boards[backwardMostMove][EP_STATUS];
5105 if(i >= 0) { // set e.p.
5106 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5112 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5113 SendToICS("bsetup done\n"); // switch to normal examining.
5115 for(i = backwardMostMove; i<last; i++) {
5117 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5120 SendToICS(ics_prefix);
5121 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5125 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5127 if (rf == DROP_RANK) {
5128 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5129 sprintf(move, "%c@%c%c\n",
5130 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5132 if (promoChar == 'x' || promoChar == NULLCHAR) {
5133 sprintf(move, "%c%c%c%c\n",
5134 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5136 sprintf(move, "%c%c%c%c%c\n",
5137 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5143 ProcessICSInitScript (FILE *f)
5147 while (fgets(buf, MSG_SIZ, f)) {
5148 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5155 static int lastX, lastY, selectFlag, dragging;
5160 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5161 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5162 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5163 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5164 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5165 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5168 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5169 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5170 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5171 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5172 if(!step) step = -1;
5173 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5174 appData.testLegality && (promoSweep == king ||
5175 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5176 ChangeDragPiece(promoSweep);
5180 PromoScroll (int x, int y)
5184 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5185 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5186 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5187 if(!step) return FALSE;
5188 lastX = x; lastY = y;
5189 if((promoSweep < BlackPawn) == flipView) step = -step;
5190 if(step > 0) selectFlag = 1;
5191 if(!selectFlag) Sweep(step);
5196 NextPiece (int step)
5198 ChessSquare piece = boards[currentMove][toY][toX];
5201 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5202 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5203 if(!step) step = -1;
5204 } while(PieceToChar(pieceSweep) == '.');
5205 boards[currentMove][toY][toX] = pieceSweep;
5206 DrawPosition(FALSE, boards[currentMove]);
5207 boards[currentMove][toY][toX] = piece;
5209 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5211 AlphaRank (char *move, int n)
5213 // char *p = move, c; int x, y;
5215 if (appData.debugMode) {
5216 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5220 move[2]>='0' && move[2]<='9' &&
5221 move[3]>='a' && move[3]<='x' ) {
5223 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5224 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5226 if(move[0]>='0' && move[0]<='9' &&
5227 move[1]>='a' && move[1]<='x' &&
5228 move[2]>='0' && move[2]<='9' &&
5229 move[3]>='a' && move[3]<='x' ) {
5230 /* input move, Shogi -> normal */
5231 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5232 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5233 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5234 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5237 move[3]>='0' && move[3]<='9' &&
5238 move[2]>='a' && move[2]<='x' ) {
5240 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5241 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5244 move[0]>='a' && move[0]<='x' &&
5245 move[3]>='0' && move[3]<='9' &&
5246 move[2]>='a' && move[2]<='x' ) {
5247 /* output move, normal -> Shogi */
5248 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5249 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5250 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5251 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5252 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5254 if (appData.debugMode) {
5255 fprintf(debugFP, " out = '%s'\n", move);
5259 char yy_textstr[8000];
5261 /* Parser for moves from gnuchess, ICS, or user typein box */
5263 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5265 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5267 switch (*moveType) {
5268 case WhitePromotion:
5269 case BlackPromotion:
5270 case WhiteNonPromotion:
5271 case BlackNonPromotion:
5273 case WhiteCapturesEnPassant:
5274 case BlackCapturesEnPassant:
5275 case WhiteKingSideCastle:
5276 case WhiteQueenSideCastle:
5277 case BlackKingSideCastle:
5278 case BlackQueenSideCastle:
5279 case WhiteKingSideCastleWild:
5280 case WhiteQueenSideCastleWild:
5281 case BlackKingSideCastleWild:
5282 case BlackQueenSideCastleWild:
5283 /* Code added by Tord: */
5284 case WhiteHSideCastleFR:
5285 case WhiteASideCastleFR:
5286 case BlackHSideCastleFR:
5287 case BlackASideCastleFR:
5288 /* End of code added by Tord */
5289 case IllegalMove: /* bug or odd chess variant */
5290 *fromX = currentMoveString[0] - AAA;
5291 *fromY = currentMoveString[1] - ONE;
5292 *toX = currentMoveString[2] - AAA;
5293 *toY = currentMoveString[3] - ONE;
5294 *promoChar = currentMoveString[4];
5295 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5296 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5297 if (appData.debugMode) {
5298 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5300 *fromX = *fromY = *toX = *toY = 0;
5303 if (appData.testLegality) {
5304 return (*moveType != IllegalMove);
5306 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5307 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5312 *fromX = *moveType == WhiteDrop ?
5313 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5314 (int) CharToPiece(ToLower(currentMoveString[0]));
5316 *toX = currentMoveString[2] - AAA;
5317 *toY = currentMoveString[3] - ONE;
5318 *promoChar = NULLCHAR;
5322 case ImpossibleMove:
5332 if (appData.debugMode) {
5333 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5336 *fromX = *fromY = *toX = *toY = 0;
5337 *promoChar = NULLCHAR;
5342 Boolean pushed = FALSE;
5343 char *lastParseAttempt;
5346 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5347 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5348 int fromX, fromY, toX, toY; char promoChar;
5353 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5354 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5357 endPV = forwardMostMove;
5359 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5360 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5361 lastParseAttempt = pv;
5362 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5363 if(!valid && nr == 0 &&
5364 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5365 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5366 // Hande case where played move is different from leading PV move
5367 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5368 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5369 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5370 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5371 endPV += 2; // if position different, keep this
5372 moveList[endPV-1][0] = fromX + AAA;
5373 moveList[endPV-1][1] = fromY + ONE;
5374 moveList[endPV-1][2] = toX + AAA;
5375 moveList[endPV-1][3] = toY + ONE;
5376 parseList[endPV-1][0] = NULLCHAR;
5377 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5380 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5381 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5382 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5383 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5384 valid++; // allow comments in PV
5388 if(endPV+1 > framePtr) break; // no space, truncate
5391 CopyBoard(boards[endPV], boards[endPV-1]);
5392 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5393 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5394 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5395 CoordsToAlgebraic(boards[endPV - 1],
5396 PosFlags(endPV - 1),
5397 fromY, fromX, toY, toX, promoChar,
5398 parseList[endPV - 1]);
5400 if(atEnd == 2) return; // used hidden, for PV conversion
5401 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5402 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5403 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5404 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5405 DrawPosition(TRUE, boards[currentMove]);
5409 MultiPV (ChessProgramState *cps)
5410 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5412 for(i=0; i<cps->nrOptions; i++)
5413 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5419 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5421 int startPV, multi, lineStart, origIndex = index;
5422 char *p, buf2[MSG_SIZ];
5424 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5425 lastX = x; lastY = y;
5426 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5427 lineStart = startPV = index;
5428 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5429 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5431 do{ while(buf[index] && buf[index] != '\n') index++;
5432 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5434 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5435 int n = first.option[multi].value;
5436 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5437 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5438 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5439 first.option[multi].value = n;
5442 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5443 ExcludeClick(origIndex - lineStart);
5446 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5447 *start = startPV; *end = index-1;
5454 static char buf[10*MSG_SIZ];
5455 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5457 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5458 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5459 for(i = forwardMostMove; i<endPV; i++){
5460 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5461 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5464 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5465 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5471 LoadPV (int x, int y)
5472 { // called on right mouse click to load PV
5473 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5474 lastX = x; lastY = y;
5475 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5482 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5483 if(endPV < 0) return;
5484 if(appData.autoCopyPV) CopyFENToClipboard();
5486 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5487 Boolean saveAnimate = appData.animate;
5489 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5490 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5491 } else storedGames--; // abandon shelved tail of original game
5494 forwardMostMove = currentMove;
5495 currentMove = oldFMM;
5496 appData.animate = FALSE;
5497 ToNrEvent(forwardMostMove);
5498 appData.animate = saveAnimate;
5500 currentMove = forwardMostMove;
5501 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5502 ClearPremoveHighlights();
5503 DrawPosition(TRUE, boards[currentMove]);
5507 MovePV (int x, int y, int h)
5508 { // step through PV based on mouse coordinates (called on mouse move)
5509 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5511 // we must somehow check if right button is still down (might be released off board!)
5512 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5513 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5514 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5516 lastX = x; lastY = y;
5518 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5519 if(endPV < 0) return;
5520 if(y < margin) step = 1; else
5521 if(y > h - margin) step = -1;
5522 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5523 currentMove += step;
5524 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5525 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5526 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5527 DrawPosition(FALSE, boards[currentMove]);
5531 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5532 // All positions will have equal probability, but the current method will not provide a unique
5533 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5539 int piecesLeft[(int)BlackPawn];
5540 int seed, nrOfShuffles;
5543 GetPositionNumber ()
5544 { // sets global variable seed
5547 seed = appData.defaultFrcPosition;
5548 if(seed < 0) { // randomize based on time for negative FRC position numbers
5549 for(i=0; i<50; i++) seed += random();
5550 seed = random() ^ random() >> 8 ^ random() << 8;
5551 if(seed<0) seed = -seed;
5556 put (Board board, int pieceType, int rank, int n, int shade)
5557 // put the piece on the (n-1)-th empty squares of the given shade
5561 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5562 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5563 board[rank][i] = (ChessSquare) pieceType;
5564 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5566 piecesLeft[pieceType]--;
5575 AddOnePiece (Board board, int pieceType, int rank, int shade)
5576 // calculate where the next piece goes, (any empty square), and put it there
5580 i = seed % squaresLeft[shade];
5581 nrOfShuffles *= squaresLeft[shade];
5582 seed /= squaresLeft[shade];
5583 put(board, pieceType, rank, i, shade);
5587 AddTwoPieces (Board board, int pieceType, int rank)
5588 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5590 int i, n=squaresLeft[ANY], j=n-1, k;
5592 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5593 i = seed % k; // pick one
5596 while(i >= j) i -= j--;
5597 j = n - 1 - j; i += j;
5598 put(board, pieceType, rank, j, ANY);
5599 put(board, pieceType, rank, i, ANY);
5603 SetUpShuffle (Board board, int number)
5607 GetPositionNumber(); nrOfShuffles = 1;
5609 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5610 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5611 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5613 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5615 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5616 p = (int) board[0][i];
5617 if(p < (int) BlackPawn) piecesLeft[p] ++;
5618 board[0][i] = EmptySquare;
5621 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5622 // shuffles restricted to allow normal castling put KRR first
5623 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5624 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5625 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5626 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5627 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5628 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5629 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5630 put(board, WhiteRook, 0, 0, ANY);
5631 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5634 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5635 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5636 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5637 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5638 while(piecesLeft[p] >= 2) {
5639 AddOnePiece(board, p, 0, LITE);
5640 AddOnePiece(board, p, 0, DARK);
5642 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5645 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5646 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5647 // but we leave King and Rooks for last, to possibly obey FRC restriction
5648 if(p == (int)WhiteRook) continue;
5649 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5650 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5653 // now everything is placed, except perhaps King (Unicorn) and Rooks
5655 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5656 // Last King gets castling rights
5657 while(piecesLeft[(int)WhiteUnicorn]) {
5658 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5659 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5662 while(piecesLeft[(int)WhiteKing]) {
5663 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5664 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5669 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5670 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5673 // Only Rooks can be left; simply place them all
5674 while(piecesLeft[(int)WhiteRook]) {
5675 i = put(board, WhiteRook, 0, 0, ANY);
5676 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5679 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5681 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5685 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5688 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5692 SetCharTable (char *table, const char * map)
5693 /* [HGM] moved here from winboard.c because of its general usefulness */
5694 /* Basically a safe strcpy that uses the last character as King */
5696 int result = FALSE; int NrPieces;
5698 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5699 && NrPieces >= 12 && !(NrPieces&1)) {
5700 int i; /* [HGM] Accept even length from 12 to 34 */
5702 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5703 for( i=0; i<NrPieces/2-1; i++ ) {
5705 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5707 table[(int) WhiteKing] = map[NrPieces/2-1];
5708 table[(int) BlackKing] = map[NrPieces-1];
5717 Prelude (Board board)
5718 { // [HGM] superchess: random selection of exo-pieces
5719 int i, j, k; ChessSquare p;
5720 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5722 GetPositionNumber(); // use FRC position number
5724 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5725 SetCharTable(pieceToChar, appData.pieceToCharTable);
5726 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5727 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5730 j = seed%4; seed /= 4;
5731 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5732 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5733 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5734 j = seed%3 + (seed%3 >= j); seed /= 3;
5735 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5736 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5737 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5738 j = seed%3; seed /= 3;
5739 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5740 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5741 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5742 j = seed%2 + (seed%2 >= j); seed /= 2;
5743 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5744 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5745 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5746 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5747 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5748 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5749 put(board, exoPieces[0], 0, 0, ANY);
5750 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5754 InitPosition (int redraw)
5756 ChessSquare (* pieces)[BOARD_FILES];
5757 int i, j, pawnRow, overrule,
5758 oldx = gameInfo.boardWidth,
5759 oldy = gameInfo.boardHeight,
5760 oldh = gameInfo.holdingsWidth;
5763 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5765 /* [AS] Initialize pv info list [HGM] and game status */
5767 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5768 pvInfoList[i].depth = 0;
5769 boards[i][EP_STATUS] = EP_NONE;
5770 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5773 initialRulePlies = 0; /* 50-move counter start */
5775 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5776 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5780 /* [HGM] logic here is completely changed. In stead of full positions */
5781 /* the initialized data only consist of the two backranks. The switch */
5782 /* selects which one we will use, which is than copied to the Board */
5783 /* initialPosition, which for the rest is initialized by Pawns and */
5784 /* empty squares. This initial position is then copied to boards[0], */
5785 /* possibly after shuffling, so that it remains available. */
5787 gameInfo.holdingsWidth = 0; /* default board sizes */
5788 gameInfo.boardWidth = 8;
5789 gameInfo.boardHeight = 8;
5790 gameInfo.holdingsSize = 0;
5791 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5792 for(i=0; i<BOARD_FILES-2; i++)
5793 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5794 initialPosition[EP_STATUS] = EP_NONE;
5795 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5796 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5797 SetCharTable(pieceNickName, appData.pieceNickNames);
5798 else SetCharTable(pieceNickName, "............");
5801 switch (gameInfo.variant) {
5802 case VariantFischeRandom:
5803 shuffleOpenings = TRUE;
5806 case VariantShatranj:
5807 pieces = ShatranjArray;
5808 nrCastlingRights = 0;
5809 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5812 pieces = makrukArray;
5813 nrCastlingRights = 0;
5814 startedFromSetupPosition = TRUE;
5815 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5817 case VariantTwoKings:
5818 pieces = twoKingsArray;
5821 pieces = GrandArray;
5822 nrCastlingRights = 0;
5823 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5824 gameInfo.boardWidth = 10;
5825 gameInfo.boardHeight = 10;
5826 gameInfo.holdingsSize = 7;
5828 case VariantCapaRandom:
5829 shuffleOpenings = TRUE;
5830 case VariantCapablanca:
5831 pieces = CapablancaArray;
5832 gameInfo.boardWidth = 10;
5833 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5836 pieces = GothicArray;
5837 gameInfo.boardWidth = 10;
5838 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5841 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5842 gameInfo.holdingsSize = 7;
5845 pieces = JanusArray;
5846 gameInfo.boardWidth = 10;
5847 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5848 nrCastlingRights = 6;
5849 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5850 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5851 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5852 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5853 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5854 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5857 pieces = FalconArray;
5858 gameInfo.boardWidth = 10;
5859 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5861 case VariantXiangqi:
5862 pieces = XiangqiArray;
5863 gameInfo.boardWidth = 9;
5864 gameInfo.boardHeight = 10;
5865 nrCastlingRights = 0;
5866 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5869 pieces = ShogiArray;
5870 gameInfo.boardWidth = 9;
5871 gameInfo.boardHeight = 9;
5872 gameInfo.holdingsSize = 7;
5873 nrCastlingRights = 0;
5874 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5876 case VariantCourier:
5877 pieces = CourierArray;
5878 gameInfo.boardWidth = 12;
5879 nrCastlingRights = 0;
5880 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5882 case VariantKnightmate:
5883 pieces = KnightmateArray;
5884 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5886 case VariantSpartan:
5887 pieces = SpartanArray;
5888 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5891 pieces = fairyArray;
5892 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5895 pieces = GreatArray;
5896 gameInfo.boardWidth = 10;
5897 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5898 gameInfo.holdingsSize = 8;
5902 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5903 gameInfo.holdingsSize = 8;
5904 startedFromSetupPosition = TRUE;
5906 case VariantCrazyhouse:
5907 case VariantBughouse:
5909 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5910 gameInfo.holdingsSize = 5;
5912 case VariantWildCastle:
5914 /* !!?shuffle with kings guaranteed to be on d or e file */
5915 shuffleOpenings = 1;
5917 case VariantNoCastle:
5919 nrCastlingRights = 0;
5920 /* !!?unconstrained back-rank shuffle */
5921 shuffleOpenings = 1;
5926 if(appData.NrFiles >= 0) {
5927 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5928 gameInfo.boardWidth = appData.NrFiles;
5930 if(appData.NrRanks >= 0) {
5931 gameInfo.boardHeight = appData.NrRanks;
5933 if(appData.holdingsSize >= 0) {
5934 i = appData.holdingsSize;
5935 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5936 gameInfo.holdingsSize = i;
5938 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5939 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5940 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5942 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5943 if(pawnRow < 1) pawnRow = 1;
5944 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5946 /* User pieceToChar list overrules defaults */
5947 if(appData.pieceToCharTable != NULL)
5948 SetCharTable(pieceToChar, appData.pieceToCharTable);
5950 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5952 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5953 s = (ChessSquare) 0; /* account holding counts in guard band */
5954 for( i=0; i<BOARD_HEIGHT; i++ )
5955 initialPosition[i][j] = s;
5957 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5958 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5959 initialPosition[pawnRow][j] = WhitePawn;
5960 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5961 if(gameInfo.variant == VariantXiangqi) {
5963 initialPosition[pawnRow][j] =
5964 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5965 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5966 initialPosition[2][j] = WhiteCannon;
5967 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5971 if(gameInfo.variant == VariantGrand) {
5972 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5973 initialPosition[0][j] = WhiteRook;
5974 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5977 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5979 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5982 initialPosition[1][j] = WhiteBishop;
5983 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5985 initialPosition[1][j] = WhiteRook;
5986 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5989 if( nrCastlingRights == -1) {
5990 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5991 /* This sets default castling rights from none to normal corners */
5992 /* Variants with other castling rights must set them themselves above */
5993 nrCastlingRights = 6;
5995 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5996 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5997 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5998 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5999 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6000 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6003 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6004 if(gameInfo.variant == VariantGreat) { // promotion commoners
6005 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6006 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6007 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6008 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6010 if( gameInfo.variant == VariantSChess ) {
6011 initialPosition[1][0] = BlackMarshall;
6012 initialPosition[2][0] = BlackAngel;
6013 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6014 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6015 initialPosition[1][1] = initialPosition[2][1] =
6016 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6018 if (appData.debugMode) {
6019 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6021 if(shuffleOpenings) {
6022 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6023 startedFromSetupPosition = TRUE;
6025 if(startedFromPositionFile) {
6026 /* [HGM] loadPos: use PositionFile for every new game */
6027 CopyBoard(initialPosition, filePosition);
6028 for(i=0; i<nrCastlingRights; i++)
6029 initialRights[i] = filePosition[CASTLING][i];
6030 startedFromSetupPosition = TRUE;
6033 CopyBoard(boards[0], initialPosition);
6035 if(oldx != gameInfo.boardWidth ||
6036 oldy != gameInfo.boardHeight ||
6037 oldv != gameInfo.variant ||
6038 oldh != gameInfo.holdingsWidth
6040 InitDrawingSizes(-2 ,0);
6042 oldv = gameInfo.variant;
6044 DrawPosition(TRUE, boards[currentMove]);
6048 SendBoard (ChessProgramState *cps, int moveNum)
6050 char message[MSG_SIZ];
6052 if (cps->useSetboard) {
6053 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6054 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6055 SendToProgram(message, cps);
6060 int i, j, left=0, right=BOARD_WIDTH;
6061 /* Kludge to set black to move, avoiding the troublesome and now
6062 * deprecated "black" command.
6064 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6065 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6067 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6069 SendToProgram("edit\n", cps);
6070 SendToProgram("#\n", cps);
6071 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6072 bp = &boards[moveNum][i][left];
6073 for (j = left; j < right; j++, bp++) {
6074 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6075 if ((int) *bp < (int) BlackPawn) {
6076 if(j == BOARD_RGHT+1)
6077 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6078 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6079 if(message[0] == '+' || message[0] == '~') {
6080 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6081 PieceToChar((ChessSquare)(DEMOTED *bp)),
6084 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6085 message[1] = BOARD_RGHT - 1 - j + '1';
6086 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6088 SendToProgram(message, cps);
6093 SendToProgram("c\n", cps);
6094 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6095 bp = &boards[moveNum][i][left];
6096 for (j = left; j < right; j++, bp++) {
6097 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6098 if (((int) *bp != (int) EmptySquare)
6099 && ((int) *bp >= (int) BlackPawn)) {
6100 if(j == BOARD_LEFT-2)
6101 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6102 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6104 if(message[0] == '+' || message[0] == '~') {
6105 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6106 PieceToChar((ChessSquare)(DEMOTED *bp)),
6109 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6110 message[1] = BOARD_RGHT - 1 - j + '1';
6111 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6113 SendToProgram(message, cps);
6118 SendToProgram(".\n", cps);
6120 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6123 char exclusionHeader[MSG_SIZ];
6124 int exCnt, excludePtr;
6125 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6126 static Exclusion excluTab[200];
6127 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6133 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6134 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6140 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6141 excludePtr = 24; exCnt = 0;
6146 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6147 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6148 char buf[2*MOVE_LEN], *p;
6149 Exclusion *e = excluTab;
6151 for(i=0; i<exCnt; i++)
6152 if(e[i].ff == fromX && e[i].fr == fromY &&
6153 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6154 if(i == exCnt) { // was not in exclude list; add it
6155 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6156 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6157 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6160 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6161 excludePtr++; e[i].mark = excludePtr++;
6162 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6165 exclusionHeader[e[i].mark] = state;
6169 ExcludeOneMove (int fromY, int fromX, int toY, int toX, signed char promoChar, char state)
6170 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6174 if(promoChar == -1) { // kludge to indicate best move
6175 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6176 return 1; // if unparsable, abort
6178 // update exclusion map (resolving toggle by consulting existing state)
6179 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6181 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6182 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6183 excludeMap[k] |= 1<<j;
6184 else excludeMap[k] &= ~(1<<j);
6186 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6188 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6189 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6190 SendToProgram(buf, &first);
6191 return (state == '+');
6195 ExcludeClick (int index)
6198 Exclusion *e = excluTab;
6199 if(index < 25) { // none, best or tail clicked
6200 if(index < 13) { // none: include all
6201 WriteMap(0); // clear map
6202 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6203 SendToProgram("include all\n", &first); // and inform engine
6204 } else if(index > 18) { // tail
6205 if(exclusionHeader[19] == '-') { // tail was excluded
6206 SendToProgram("include all\n", &first);
6207 WriteMap(0); // clear map completely
6208 // now re-exclude selected moves
6209 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6210 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6211 } else { // tail was included or in mixed state
6212 SendToProgram("exclude all\n", &first);
6213 WriteMap(0xFF); // fill map completely
6214 // now re-include selected moves
6215 j = 0; // count them
6216 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6217 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6218 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6221 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6224 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6225 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6226 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6233 DefaultPromoChoice (int white)
6236 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6237 result = WhiteFerz; // no choice
6238 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6239 result= WhiteKing; // in Suicide Q is the last thing we want
6240 else if(gameInfo.variant == VariantSpartan)
6241 result = white ? WhiteQueen : WhiteAngel;
6242 else result = WhiteQueen;
6243 if(!white) result = WHITE_TO_BLACK result;
6247 static int autoQueen; // [HGM] oneclick
6250 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6252 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6253 /* [HGM] add Shogi promotions */
6254 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6259 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6260 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6262 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6263 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6266 piece = boards[currentMove][fromY][fromX];
6267 if(gameInfo.variant == VariantShogi) {
6268 promotionZoneSize = BOARD_HEIGHT/3;
6269 highestPromotingPiece = (int)WhiteFerz;
6270 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6271 promotionZoneSize = 3;
6274 // Treat Lance as Pawn when it is not representing Amazon
6275 if(gameInfo.variant != VariantSuper) {
6276 if(piece == WhiteLance) piece = WhitePawn; else
6277 if(piece == BlackLance) piece = BlackPawn;
6280 // next weed out all moves that do not touch the promotion zone at all
6281 if((int)piece >= BlackPawn) {
6282 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6284 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6286 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6287 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6290 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6292 // weed out mandatory Shogi promotions
6293 if(gameInfo.variant == VariantShogi) {
6294 if(piece >= BlackPawn) {
6295 if(toY == 0 && piece == BlackPawn ||
6296 toY == 0 && piece == BlackQueen ||
6297 toY <= 1 && piece == BlackKnight) {
6302 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6303 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6304 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6311 // weed out obviously illegal Pawn moves
6312 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6313 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6314 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6315 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6316 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6317 // note we are not allowed to test for valid (non-)capture, due to premove
6320 // we either have a choice what to promote to, or (in Shogi) whether to promote
6321 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6322 *promoChoice = PieceToChar(BlackFerz); // no choice
6325 // no sense asking what we must promote to if it is going to explode...
6326 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6327 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6330 // give caller the default choice even if we will not make it
6331 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6332 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6333 if( sweepSelect && gameInfo.variant != VariantGreat
6334 && gameInfo.variant != VariantGrand
6335 && gameInfo.variant != VariantSuper) return FALSE;
6336 if(autoQueen) return FALSE; // predetermined
6338 // suppress promotion popup on illegal moves that are not premoves
6339 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6340 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6341 if(appData.testLegality && !premove) {
6342 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6343 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6344 if(moveType != WhitePromotion && moveType != BlackPromotion)
6352 InPalace (int row, int column)
6353 { /* [HGM] for Xiangqi */
6354 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6355 column < (BOARD_WIDTH + 4)/2 &&
6356 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6361 PieceForSquare (int x, int y)
6363 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6366 return boards[currentMove][y][x];
6370 OKToStartUserMove (int x, int y)
6372 ChessSquare from_piece;
6375 if (matchMode) return FALSE;
6376 if (gameMode == EditPosition) return TRUE;
6378 if (x >= 0 && y >= 0)
6379 from_piece = boards[currentMove][y][x];
6381 from_piece = EmptySquare;
6383 if (from_piece == EmptySquare) return FALSE;
6385 white_piece = (int)from_piece >= (int)WhitePawn &&
6386 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6390 case TwoMachinesPlay:
6398 case MachinePlaysWhite:
6399 case IcsPlayingBlack:
6400 if (appData.zippyPlay) return FALSE;
6402 DisplayMoveError(_("You are playing Black"));
6407 case MachinePlaysBlack:
6408 case IcsPlayingWhite:
6409 if (appData.zippyPlay) return FALSE;
6411 DisplayMoveError(_("You are playing White"));
6416 case PlayFromGameFile:
6417 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6419 if (!white_piece && WhiteOnMove(currentMove)) {
6420 DisplayMoveError(_("It is White's turn"));
6423 if (white_piece && !WhiteOnMove(currentMove)) {
6424 DisplayMoveError(_("It is Black's turn"));
6427 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6428 /* Editing correspondence game history */
6429 /* Could disallow this or prompt for confirmation */
6434 case BeginningOfGame:
6435 if (appData.icsActive) return FALSE;
6436 if (!appData.noChessProgram) {
6438 DisplayMoveError(_("You are playing White"));
6445 if (!white_piece && WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is White's turn"));
6449 if (white_piece && !WhiteOnMove(currentMove)) {
6450 DisplayMoveError(_("It is Black's turn"));
6459 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6460 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6461 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6462 && gameMode != AnalyzeFile && gameMode != Training) {
6463 DisplayMoveError(_("Displayed position is not current"));
6470 OnlyMove (int *x, int *y, Boolean captures)
6472 DisambiguateClosure cl;
6473 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6475 case MachinePlaysBlack:
6476 case IcsPlayingWhite:
6477 case BeginningOfGame:
6478 if(!WhiteOnMove(currentMove)) return FALSE;
6480 case MachinePlaysWhite:
6481 case IcsPlayingBlack:
6482 if(WhiteOnMove(currentMove)) return FALSE;
6489 cl.pieceIn = EmptySquare;
6494 cl.promoCharIn = NULLCHAR;
6495 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6496 if( cl.kind == NormalMove ||
6497 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6498 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6499 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6506 if(cl.kind != ImpossibleMove) return FALSE;
6507 cl.pieceIn = EmptySquare;
6512 cl.promoCharIn = NULLCHAR;
6513 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6514 if( cl.kind == NormalMove ||
6515 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6516 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6517 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6522 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6528 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6529 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6530 int lastLoadGameUseList = FALSE;
6531 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6532 ChessMove lastLoadGameStart = EndOfFile;
6536 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6539 ChessSquare pdown, pup;
6540 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6543 /* Check if the user is playing in turn. This is complicated because we
6544 let the user "pick up" a piece before it is his turn. So the piece he
6545 tried to pick up may have been captured by the time he puts it down!
6546 Therefore we use the color the user is supposed to be playing in this
6547 test, not the color of the piece that is currently on the starting
6548 square---except in EditGame mode, where the user is playing both
6549 sides; fortunately there the capture race can't happen. (It can
6550 now happen in IcsExamining mode, but that's just too bad. The user
6551 will get a somewhat confusing message in that case.)
6556 case TwoMachinesPlay:
6560 /* We switched into a game mode where moves are not accepted,
6561 perhaps while the mouse button was down. */
6564 case MachinePlaysWhite:
6565 /* User is moving for Black */
6566 if (WhiteOnMove(currentMove)) {
6567 DisplayMoveError(_("It is White's turn"));
6572 case MachinePlaysBlack:
6573 /* User is moving for White */
6574 if (!WhiteOnMove(currentMove)) {
6575 DisplayMoveError(_("It is Black's turn"));
6580 case PlayFromGameFile:
6581 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6584 case BeginningOfGame:
6587 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6588 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6589 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6590 /* User is moving for Black */
6591 if (WhiteOnMove(currentMove)) {
6592 DisplayMoveError(_("It is White's turn"));
6596 /* User is moving for White */
6597 if (!WhiteOnMove(currentMove)) {
6598 DisplayMoveError(_("It is Black's turn"));
6604 case IcsPlayingBlack:
6605 /* User is moving for Black */
6606 if (WhiteOnMove(currentMove)) {
6607 if (!appData.premove) {
6608 DisplayMoveError(_("It is White's turn"));
6609 } else if (toX >= 0 && toY >= 0) {
6612 premoveFromX = fromX;
6613 premoveFromY = fromY;
6614 premovePromoChar = promoChar;
6616 if (appData.debugMode)
6617 fprintf(debugFP, "Got premove: fromX %d,"
6618 "fromY %d, toX %d, toY %d\n",
6619 fromX, fromY, toX, toY);
6625 case IcsPlayingWhite:
6626 /* User is moving for White */
6627 if (!WhiteOnMove(currentMove)) {
6628 if (!appData.premove) {
6629 DisplayMoveError(_("It is Black's turn"));
6630 } else if (toX >= 0 && toY >= 0) {
6633 premoveFromX = fromX;
6634 premoveFromY = fromY;
6635 premovePromoChar = promoChar;
6637 if (appData.debugMode)
6638 fprintf(debugFP, "Got premove: fromX %d,"
6639 "fromY %d, toX %d, toY %d\n",
6640 fromX, fromY, toX, toY);
6650 /* EditPosition, empty square, or different color piece;
6651 click-click move is possible */
6652 if (toX == -2 || toY == -2) {
6653 boards[0][fromY][fromX] = EmptySquare;
6654 DrawPosition(FALSE, boards[currentMove]);
6656 } else if (toX >= 0 && toY >= 0) {
6657 boards[0][toY][toX] = boards[0][fromY][fromX];
6658 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6659 if(boards[0][fromY][0] != EmptySquare) {
6660 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6661 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6664 if(fromX == BOARD_RGHT+1) {
6665 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6666 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6667 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6670 boards[0][fromY][fromX] = gatingPiece;
6671 DrawPosition(FALSE, boards[currentMove]);
6677 if(toX < 0 || toY < 0) return;
6678 pdown = boards[currentMove][fromY][fromX];
6679 pup = boards[currentMove][toY][toX];
6681 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6682 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6683 if( pup != EmptySquare ) return;
6684 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6685 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6686 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6687 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6688 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6689 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6690 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6694 /* [HGM] always test for legality, to get promotion info */
6695 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6696 fromY, fromX, toY, toX, promoChar);
6698 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6700 /* [HGM] but possibly ignore an IllegalMove result */
6701 if (appData.testLegality) {
6702 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6703 DisplayMoveError(_("Illegal move"));
6708 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6709 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6710 ClearPremoveHighlights(); // was included
6711 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6715 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6718 /* Common tail of UserMoveEvent and DropMenuEvent */
6720 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6724 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6725 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6726 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6727 if(WhiteOnMove(currentMove)) {
6728 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6730 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6734 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6735 move type in caller when we know the move is a legal promotion */
6736 if(moveType == NormalMove && promoChar)
6737 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6739 /* [HGM] <popupFix> The following if has been moved here from
6740 UserMoveEvent(). Because it seemed to belong here (why not allow
6741 piece drops in training games?), and because it can only be
6742 performed after it is known to what we promote. */
6743 if (gameMode == Training) {
6744 /* compare the move played on the board to the next move in the
6745 * game. If they match, display the move and the opponent's response.
6746 * If they don't match, display an error message.
6750 CopyBoard(testBoard, boards[currentMove]);
6751 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6753 if (CompareBoards(testBoard, boards[currentMove+1])) {
6754 ForwardInner(currentMove+1);
6756 /* Autoplay the opponent's response.
6757 * if appData.animate was TRUE when Training mode was entered,
6758 * the response will be animated.
6760 saveAnimate = appData.animate;
6761 appData.animate = animateTraining;
6762 ForwardInner(currentMove+1);
6763 appData.animate = saveAnimate;
6765 /* check for the end of the game */
6766 if (currentMove >= forwardMostMove) {
6767 gameMode = PlayFromGameFile;
6769 SetTrainingModeOff();
6770 DisplayInformation(_("End of game"));
6773 DisplayError(_("Incorrect move"), 0);
6778 /* Ok, now we know that the move is good, so we can kill
6779 the previous line in Analysis Mode */
6780 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6781 && currentMove < forwardMostMove) {
6782 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6783 else forwardMostMove = currentMove;
6788 /* If we need the chess program but it's dead, restart it */
6789 ResurrectChessProgram();
6791 /* A user move restarts a paused game*/
6795 thinkOutput[0] = NULLCHAR;
6797 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6799 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6800 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6804 if (gameMode == BeginningOfGame) {
6805 if (appData.noChessProgram) {
6806 gameMode = EditGame;
6810 gameMode = MachinePlaysBlack;
6813 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6815 if (first.sendName) {
6816 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6817 SendToProgram(buf, &first);
6824 /* Relay move to ICS or chess engine */
6825 if (appData.icsActive) {
6826 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6827 gameMode == IcsExamining) {
6828 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6829 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6831 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6833 // also send plain move, in case ICS does not understand atomic claims
6834 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6838 if (first.sendTime && (gameMode == BeginningOfGame ||
6839 gameMode == MachinePlaysWhite ||
6840 gameMode == MachinePlaysBlack)) {
6841 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6843 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6844 // [HGM] book: if program might be playing, let it use book
6845 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6846 first.maybeThinking = TRUE;
6847 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6848 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6849 SendBoard(&first, currentMove+1);
6850 } else SendMoveToProgram(forwardMostMove-1, &first);
6851 if (currentMove == cmailOldMove + 1) {
6852 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6856 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6860 if(appData.testLegality)
6861 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6867 if (WhiteOnMove(currentMove)) {
6868 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6870 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6874 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6879 case MachinePlaysBlack:
6880 case MachinePlaysWhite:
6881 /* disable certain menu options while machine is thinking */
6882 SetMachineThinkingEnables();
6889 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6890 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6892 if(bookHit) { // [HGM] book: simulate book reply
6893 static char bookMove[MSG_SIZ]; // a bit generous?
6895 programStats.nodes = programStats.depth = programStats.time =
6896 programStats.score = programStats.got_only_move = 0;
6897 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6899 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6900 strcat(bookMove, bookHit);
6901 HandleMachineMove(bookMove, &first);
6907 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6909 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6910 Markers *m = (Markers *) closure;
6911 if(rf == fromY && ff == fromX)
6912 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6913 || kind == WhiteCapturesEnPassant
6914 || kind == BlackCapturesEnPassant);
6915 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6919 MarkTargetSquares (int clear)
6922 if(clear) // no reason to ever suppress clearing
6923 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6924 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6925 !appData.testLegality || gameMode == EditPosition) return;
6928 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6929 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6930 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6932 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6935 DrawPosition(TRUE, NULL);
6939 Explode (Board board, int fromX, int fromY, int toX, int toY)
6941 if(gameInfo.variant == VariantAtomic &&
6942 (board[toY][toX] != EmptySquare || // capture?
6943 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6944 board[fromY][fromX] == BlackPawn )
6946 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6952 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6955 CanPromote (ChessSquare piece, int y)
6957 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6958 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6959 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6960 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6961 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6962 gameInfo.variant == VariantMakruk) return FALSE;
6963 return (piece == BlackPawn && y == 1 ||
6964 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6965 piece == BlackLance && y == 1 ||
6966 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6970 LeftClick (ClickType clickType, int xPix, int yPix)
6973 Boolean saveAnimate;
6974 static int second = 0, promotionChoice = 0, clearFlag = 0;
6975 char promoChoice = NULLCHAR;
6977 static TimeMark lastClickTime, prevClickTime;
6979 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6981 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
6983 if (clickType == Press) ErrorPopDown();
6985 x = EventToSquare(xPix, BOARD_WIDTH);
6986 y = EventToSquare(yPix, BOARD_HEIGHT);
6987 if (!flipView && y >= 0) {
6988 y = BOARD_HEIGHT - 1 - y;
6990 if (flipView && x >= 0) {
6991 x = BOARD_WIDTH - 1 - x;
6994 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6995 defaultPromoChoice = promoSweep;
6996 promoSweep = EmptySquare; // terminate sweep
6997 promoDefaultAltered = TRUE;
6998 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7001 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7002 if(clickType == Release) return; // ignore upclick of click-click destination
7003 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7004 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7005 if(gameInfo.holdingsWidth &&
7006 (WhiteOnMove(currentMove)
7007 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7008 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7009 // click in right holdings, for determining promotion piece
7010 ChessSquare p = boards[currentMove][y][x];
7011 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7012 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7013 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7014 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7019 DrawPosition(FALSE, boards[currentMove]);
7023 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7024 if(clickType == Press
7025 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7026 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7027 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7030 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7031 // could be static click on premove from-square: abort premove
7033 ClearPremoveHighlights();
7036 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7037 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7039 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7040 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7041 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7042 defaultPromoChoice = DefaultPromoChoice(side);
7045 autoQueen = appData.alwaysPromoteToQueen;
7049 gatingPiece = EmptySquare;
7050 if (clickType != Press) {
7051 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7052 DragPieceEnd(xPix, yPix); dragging = 0;
7053 DrawPosition(FALSE, NULL);
7057 doubleClick = FALSE;
7058 fromX = x; fromY = y; toX = toY = -1;
7059 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7060 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7061 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7063 if (OKToStartUserMove(fromX, fromY)) {
7065 MarkTargetSquares(0);
7066 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7067 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7068 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7069 promoSweep = defaultPromoChoice;
7070 selectFlag = 0; lastX = xPix; lastY = yPix;
7071 Sweep(0); // Pawn that is going to promote: preview promotion piece
7072 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7074 if (appData.highlightDragging) {
7075 SetHighlights(fromX, fromY, -1, -1);
7077 } else fromX = fromY = -1;
7083 if (clickType == Press && gameMode != EditPosition) {
7088 // ignore off-board to clicks
7089 if(y < 0 || x < 0) return;
7091 /* Check if clicking again on the same color piece */
7092 fromP = boards[currentMove][fromY][fromX];
7093 toP = boards[currentMove][y][x];
7094 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7095 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7096 WhitePawn <= toP && toP <= WhiteKing &&
7097 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7098 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7099 (BlackPawn <= fromP && fromP <= BlackKing &&
7100 BlackPawn <= toP && toP <= BlackKing &&
7101 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7102 !(fromP == BlackKing && toP == BlackRook && frc))) {
7103 /* Clicked again on same color piece -- changed his mind */
7104 second = (x == fromX && y == fromY);
7105 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7106 second = FALSE; // first double-click rather than scond click
7107 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7109 promoDefaultAltered = FALSE;
7110 MarkTargetSquares(1);
7111 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7112 if (appData.highlightDragging) {
7113 SetHighlights(x, y, -1, -1);
7117 if (OKToStartUserMove(x, y)) {
7118 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7119 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7120 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7121 gatingPiece = boards[currentMove][fromY][fromX];
7122 else gatingPiece = doubleClick ? fromP : EmptySquare;
7124 fromY = y; dragging = 1;
7125 MarkTargetSquares(0);
7126 DragPieceBegin(xPix, yPix, FALSE);
7127 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7128 promoSweep = defaultPromoChoice;
7129 selectFlag = 0; lastX = xPix; lastY = yPix;
7130 Sweep(0); // Pawn that is going to promote: preview promotion piece
7134 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7137 // ignore clicks on holdings
7138 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7141 if (clickType == Release && x == fromX && y == fromY) {
7142 DragPieceEnd(xPix, yPix); dragging = 0;
7144 // a deferred attempt to click-click move an empty square on top of a piece
7145 boards[currentMove][y][x] = EmptySquare;
7147 DrawPosition(FALSE, boards[currentMove]);
7148 fromX = fromY = -1; clearFlag = 0;
7151 if (appData.animateDragging) {
7152 /* Undo animation damage if any */
7153 DrawPosition(FALSE, NULL);
7156 /* Second up/down in same square; just abort move */
7159 gatingPiece = EmptySquare;
7162 ClearPremoveHighlights();
7164 /* First upclick in same square; start click-click mode */
7165 SetHighlights(x, y, -1, -1);
7172 /* we now have a different from- and (possibly off-board) to-square */
7173 /* Completed move */
7176 saveAnimate = appData.animate;
7177 if (clickType == Press) {
7178 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7179 // must be Edit Position mode with empty-square selected
7180 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7181 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7184 /* Finish clickclick move */
7185 if (appData.animate || appData.highlightLastMove) {
7186 SetHighlights(fromX, fromY, toX, toY);
7190 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7191 if(appData.sweepSelect) {
7192 ChessSquare piece = boards[currentMove][fromY][fromX];
7193 ChessSquare victim = boards[currentMove][toY][toX];
7194 boards[currentMove][toY][toX] = piece; // kludge: make sure there is something to grab for drag
7195 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7196 boards[currentMove][toY][toX] = victim;
7197 promoSweep = defaultPromoChoice;
7198 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7199 selectFlag = 0; lastX = xPix; lastY = yPix;
7200 Sweep(0); // Pawn that is going to promote: preview promotion piece
7201 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7202 DrawPosition(FALSE, boards[currentMove]);
7204 return; // promo popup appears on up-click
7207 /* Finish drag move */
7208 if (appData.highlightLastMove) {
7209 SetHighlights(fromX, fromY, toX, toY);
7213 DragPieceEnd(xPix, yPix); dragging = 0;
7214 /* Don't animate move and drag both */
7215 appData.animate = FALSE;
7217 MarkTargetSquares(1);
7219 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7220 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7221 ChessSquare piece = boards[currentMove][fromY][fromX];
7222 if(gameMode == EditPosition && piece != EmptySquare &&
7223 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7226 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7227 n = PieceToNumber(piece - (int)BlackPawn);
7228 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7229 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7230 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7232 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7233 n = PieceToNumber(piece);
7234 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7235 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7236 boards[currentMove][n][BOARD_WIDTH-2]++;
7238 boards[currentMove][fromY][fromX] = EmptySquare;
7242 DrawPosition(TRUE, boards[currentMove]);
7246 // off-board moves should not be highlighted
7247 if(x < 0 || y < 0) ClearHighlights();
7249 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7251 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7252 SetHighlights(fromX, fromY, toX, toY);
7253 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7254 // [HGM] super: promotion to captured piece selected from holdings
7255 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7256 promotionChoice = TRUE;
7257 // kludge follows to temporarily execute move on display, without promoting yet
7258 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7259 boards[currentMove][toY][toX] = p;
7260 DrawPosition(FALSE, boards[currentMove]);
7261 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7262 boards[currentMove][toY][toX] = q;
7263 DisplayMessage("Click in holdings to choose piece", "");
7268 int oldMove = currentMove;
7269 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7270 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7271 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7272 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7273 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7274 DrawPosition(TRUE, boards[currentMove]);
7277 appData.animate = saveAnimate;
7278 if (appData.animate || appData.animateDragging) {
7279 /* Undo animation damage if needed */
7280 DrawPosition(FALSE, NULL);
7285 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7286 { // front-end-free part taken out of PieceMenuPopup
7287 int whichMenu; int xSqr, ySqr;
7289 if(seekGraphUp) { // [HGM] seekgraph
7290 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7291 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7295 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7296 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7297 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7298 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7299 if(action == Press) {
7300 originalFlip = flipView;
7301 flipView = !flipView; // temporarily flip board to see game from partners perspective
7302 DrawPosition(TRUE, partnerBoard);
7303 DisplayMessage(partnerStatus, "");
7305 } else if(action == Release) {
7306 flipView = originalFlip;
7307 DrawPosition(TRUE, boards[currentMove]);
7313 xSqr = EventToSquare(x, BOARD_WIDTH);
7314 ySqr = EventToSquare(y, BOARD_HEIGHT);
7315 if (action == Release) {
7316 if(pieceSweep != EmptySquare) {
7317 EditPositionMenuEvent(pieceSweep, toX, toY);
7318 pieceSweep = EmptySquare;
7319 } else UnLoadPV(); // [HGM] pv
7321 if (action != Press) return -2; // return code to be ignored
7324 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7326 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7327 if (xSqr < 0 || ySqr < 0) return -1;
7328 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7329 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7330 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7331 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7335 if(!appData.icsEngineAnalyze) return -1;
7336 case IcsPlayingWhite:
7337 case IcsPlayingBlack:
7338 if(!appData.zippyPlay) goto noZip;
7341 case MachinePlaysWhite:
7342 case MachinePlaysBlack:
7343 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7344 if (!appData.dropMenu) {
7346 return 2; // flag front-end to grab mouse events
7348 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7349 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7352 if (xSqr < 0 || ySqr < 0) return -1;
7353 if (!appData.dropMenu || appData.testLegality &&
7354 gameInfo.variant != VariantBughouse &&
7355 gameInfo.variant != VariantCrazyhouse) return -1;
7356 whichMenu = 1; // drop menu
7362 if (((*fromX = xSqr) < 0) ||
7363 ((*fromY = ySqr) < 0)) {
7364 *fromX = *fromY = -1;
7368 *fromX = BOARD_WIDTH - 1 - *fromX;
7370 *fromY = BOARD_HEIGHT - 1 - *fromY;
7376 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7378 // char * hint = lastHint;
7379 FrontEndProgramStats stats;
7381 stats.which = cps == &first ? 0 : 1;
7382 stats.depth = cpstats->depth;
7383 stats.nodes = cpstats->nodes;
7384 stats.score = cpstats->score;
7385 stats.time = cpstats->time;
7386 stats.pv = cpstats->movelist;
7387 stats.hint = lastHint;
7388 stats.an_move_index = 0;
7389 stats.an_move_count = 0;
7391 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7392 stats.hint = cpstats->move_name;
7393 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7394 stats.an_move_count = cpstats->nr_moves;
7397 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7399 SetProgramStats( &stats );
7403 ClearEngineOutputPane (int which)
7405 static FrontEndProgramStats dummyStats;
7406 dummyStats.which = which;
7407 dummyStats.pv = "#";
7408 SetProgramStats( &dummyStats );
7411 #define MAXPLAYERS 500
7414 TourneyStandings (int display)
7416 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7417 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7418 char result, *p, *names[MAXPLAYERS];
7420 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7421 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7422 names[0] = p = strdup(appData.participants);
7423 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7425 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7427 while(result = appData.results[nr]) {
7428 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7429 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7430 wScore = bScore = 0;
7432 case '+': wScore = 2; break;
7433 case '-': bScore = 2; break;
7434 case '=': wScore = bScore = 1; break;
7436 case '*': return strdup("busy"); // tourney not finished
7444 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7445 for(w=0; w<nPlayers; w++) {
7447 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7448 ranking[w] = b; points[w] = bScore; score[b] = -2;
7450 p = malloc(nPlayers*34+1);
7451 for(w=0; w<nPlayers && w<display; w++)
7452 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7458 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7459 { // count all piece types
7461 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7462 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7463 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7466 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7467 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7468 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7469 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7470 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7471 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7476 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7478 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7479 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7481 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7482 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7483 if(myPawns == 2 && nMine == 3) // KPP
7484 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7485 if(myPawns == 1 && nMine == 2) // KP
7486 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7487 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7488 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7489 if(myPawns) return FALSE;
7490 if(pCnt[WhiteRook+side])
7491 return pCnt[BlackRook-side] ||
7492 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7493 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7494 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7495 if(pCnt[WhiteCannon+side]) {
7496 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7497 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7499 if(pCnt[WhiteKnight+side])
7500 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7505 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7507 VariantClass v = gameInfo.variant;
7509 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7510 if(v == VariantShatranj) return TRUE; // always winnable through baring
7511 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7512 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7514 if(v == VariantXiangqi) {
7515 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7517 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7518 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7519 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7520 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7521 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7522 if(stale) // we have at least one last-rank P plus perhaps C
7523 return majors // KPKX
7524 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7526 return pCnt[WhiteFerz+side] // KCAK
7527 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7528 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7529 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7531 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7532 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7534 if(nMine == 1) return FALSE; // bare King
7535 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7536 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7537 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7538 // by now we have King + 1 piece (or multiple Bishops on the same color)
7539 if(pCnt[WhiteKnight+side])
7540 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7541 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7542 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7544 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7545 if(pCnt[WhiteAlfil+side])
7546 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7547 if(pCnt[WhiteWazir+side])
7548 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7555 CompareWithRights (Board b1, Board b2)
7558 if(!CompareBoards(b1, b2)) return FALSE;
7559 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7560 /* compare castling rights */
7561 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7562 rights++; /* King lost rights, while rook still had them */
7563 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7564 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7565 rights++; /* but at least one rook lost them */
7567 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7569 if( b1[CASTLING][5] != NoRights ) {
7570 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7577 Adjudicate (ChessProgramState *cps)
7578 { // [HGM] some adjudications useful with buggy engines
7579 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7580 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7581 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7582 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7583 int k, count = 0; static int bare = 1;
7584 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7585 Boolean canAdjudicate = !appData.icsActive;
7587 // most tests only when we understand the game, i.e. legality-checking on
7588 if( appData.testLegality )
7589 { /* [HGM] Some more adjudications for obstinate engines */
7590 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7591 static int moveCount = 6;
7593 char *reason = NULL;
7595 /* Count what is on board. */
7596 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7598 /* Some material-based adjudications that have to be made before stalemate test */
7599 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7600 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7601 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7602 if(canAdjudicate && appData.checkMates) {
7604 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7605 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7606 "Xboard adjudication: King destroyed", GE_XBOARD );
7611 /* Bare King in Shatranj (loses) or Losers (wins) */
7612 if( nrW == 1 || nrB == 1) {
7613 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7614 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7615 if(canAdjudicate && appData.checkMates) {
7617 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7618 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7619 "Xboard adjudication: Bare king", GE_XBOARD );
7623 if( gameInfo.variant == VariantShatranj && --bare < 0)
7625 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7626 if(canAdjudicate && appData.checkMates) {
7627 /* but only adjudicate if adjudication enabled */
7629 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7630 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7631 "Xboard adjudication: Bare king", GE_XBOARD );
7638 // don't wait for engine to announce game end if we can judge ourselves
7639 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7641 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7642 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7643 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7644 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7647 reason = "Xboard adjudication: 3rd check";
7648 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7658 reason = "Xboard adjudication: Stalemate";
7659 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7660 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7661 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7662 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7663 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7664 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7665 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7666 EP_CHECKMATE : EP_WINS);
7667 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7668 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7672 reason = "Xboard adjudication: Checkmate";
7673 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7677 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7679 result = GameIsDrawn; break;
7681 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7683 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7687 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7689 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7690 GameEnds( result, reason, GE_XBOARD );
7694 /* Next absolutely insufficient mating material. */
7695 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7696 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7697 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7699 /* always flag draws, for judging claims */
7700 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7702 if(canAdjudicate && appData.materialDraws) {
7703 /* but only adjudicate them if adjudication enabled */
7704 if(engineOpponent) {
7705 SendToProgram("force\n", engineOpponent); // suppress reply
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7708 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7713 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7714 if(gameInfo.variant == VariantXiangqi ?
7715 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7717 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7718 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7719 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7720 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7722 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7723 { /* if the first 3 moves do not show a tactical win, declare draw */
7724 if(engineOpponent) {
7725 SendToProgram("force\n", engineOpponent); // suppress reply
7726 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7728 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7731 } else moveCount = 6;
7734 // Repetition draws and 50-move rule can be applied independently of legality testing
7736 /* Check for rep-draws */
7738 for(k = forwardMostMove-2;
7739 k>=backwardMostMove && k>=forwardMostMove-100 &&
7740 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7741 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7744 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7745 /* compare castling rights */
7746 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7747 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7748 rights++; /* King lost rights, while rook still had them */
7749 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7750 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7751 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7752 rights++; /* but at least one rook lost them */
7754 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7755 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7757 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7758 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7759 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7762 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7763 && appData.drawRepeats > 1) {
7764 /* adjudicate after user-specified nr of repeats */
7765 int result = GameIsDrawn;
7766 char *details = "XBoard adjudication: repetition draw";
7767 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7768 // [HGM] xiangqi: check for forbidden perpetuals
7769 int m, ourPerpetual = 1, hisPerpetual = 1;
7770 for(m=forwardMostMove; m>k; m-=2) {
7771 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7772 ourPerpetual = 0; // the current mover did not always check
7773 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7774 hisPerpetual = 0; // the opponent did not always check
7776 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7777 ourPerpetual, hisPerpetual);
7778 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7779 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7780 details = "Xboard adjudication: perpetual checking";
7782 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7783 break; // (or we would have caught him before). Abort repetition-checking loop.
7785 // Now check for perpetual chases
7786 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7787 hisPerpetual = PerpetualChase(k, forwardMostMove);
7788 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7789 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7790 static char resdet[MSG_SIZ];
7791 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7793 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7795 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7796 break; // Abort repetition-checking loop.
7798 // if neither of us is checking or chasing all the time, or both are, it is draw
7800 if(engineOpponent) {
7801 SendToProgram("force\n", engineOpponent); // suppress reply
7802 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7804 GameEnds( result, details, GE_XBOARD );
7807 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7808 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7812 /* Now we test for 50-move draws. Determine ply count */
7813 count = forwardMostMove;
7814 /* look for last irreversble move */
7815 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7817 /* if we hit starting position, add initial plies */
7818 if( count == backwardMostMove )
7819 count -= initialRulePlies;
7820 count = forwardMostMove - count;
7821 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7822 // adjust reversible move counter for checks in Xiangqi
7823 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7824 if(i < backwardMostMove) i = backwardMostMove;
7825 while(i <= forwardMostMove) {
7826 lastCheck = inCheck; // check evasion does not count
7827 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7828 if(inCheck || lastCheck) count--; // check does not count
7833 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7834 /* this is used to judge if draw claims are legal */
7835 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7836 if(engineOpponent) {
7837 SendToProgram("force\n", engineOpponent); // suppress reply
7838 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7840 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7844 /* if draw offer is pending, treat it as a draw claim
7845 * when draw condition present, to allow engines a way to
7846 * claim draws before making their move to avoid a race
7847 * condition occurring after their move
7849 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7851 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7852 p = "Draw claim: 50-move rule";
7853 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7854 p = "Draw claim: 3-fold repetition";
7855 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7856 p = "Draw claim: insufficient mating material";
7857 if( p != NULL && canAdjudicate) {
7858 if(engineOpponent) {
7859 SendToProgram("force\n", engineOpponent); // suppress reply
7860 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7862 GameEnds( GameIsDrawn, p, GE_XBOARD );
7867 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7868 if(engineOpponent) {
7869 SendToProgram("force\n", engineOpponent); // suppress reply
7870 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7872 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7879 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7880 { // [HGM] book: this routine intercepts moves to simulate book replies
7881 char *bookHit = NULL;
7883 //first determine if the incoming move brings opponent into his book
7884 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7885 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7886 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7887 if(bookHit != NULL && !cps->bookSuspend) {
7888 // make sure opponent is not going to reply after receiving move to book position
7889 SendToProgram("force\n", cps);
7890 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7892 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7893 // now arrange restart after book miss
7895 // after a book hit we never send 'go', and the code after the call to this routine
7896 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7897 char buf[MSG_SIZ], *move = bookHit;
7899 int fromX, fromY, toX, toY;
7903 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7904 &fromX, &fromY, &toX, &toY, &promoChar)) {
7905 (void) CoordsToAlgebraic(boards[forwardMostMove],
7906 PosFlags(forwardMostMove),
7907 fromY, fromX, toY, toX, promoChar, move);
7909 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7913 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7914 SendToProgram(buf, cps);
7915 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7916 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7917 SendToProgram("go\n", cps);
7918 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7919 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7920 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7921 SendToProgram("go\n", cps);
7922 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7924 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7928 LoadError (char *errmess, ChessProgramState *cps)
7929 { // unloads engine and switches back to -ncp mode if it was first
7930 if(cps->initDone) return FALSE;
7931 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7932 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7935 appData.noChessProgram = TRUE;
7936 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7937 gameMode = BeginningOfGame; ModeHighlight();
7940 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7941 DisplayMessage("", ""); // erase waiting message
7942 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7947 ChessProgramState *savedState;
7949 DeferredBookMove (void)
7951 if(savedState->lastPing != savedState->lastPong)
7952 ScheduleDelayedEvent(DeferredBookMove, 10);
7954 HandleMachineMove(savedMessage, savedState);
7957 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7960 HandleMachineMove (char *message, ChessProgramState *cps)
7962 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7963 char realname[MSG_SIZ];
7964 int fromX, fromY, toX, toY;
7968 int machineWhite, oldError;
7971 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7972 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7973 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7974 DisplayError(_("Invalid pairing from pairing engine"), 0);
7977 pairingReceived = 1;
7979 return; // Skim the pairing messages here.
7982 oldError = cps->userError; cps->userError = 0;
7984 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7986 * Kludge to ignore BEL characters
7988 while (*message == '\007') message++;
7991 * [HGM] engine debug message: ignore lines starting with '#' character
7993 if(cps->debug && *message == '#') return;
7996 * Look for book output
7998 if (cps == &first && bookRequested) {
7999 if (message[0] == '\t' || message[0] == ' ') {
8000 /* Part of the book output is here; append it */
8001 strcat(bookOutput, message);
8002 strcat(bookOutput, " \n");
8004 } else if (bookOutput[0] != NULLCHAR) {
8005 /* All of book output has arrived; display it */
8006 char *p = bookOutput;
8007 while (*p != NULLCHAR) {
8008 if (*p == '\t') *p = ' ';
8011 DisplayInformation(bookOutput);
8012 bookRequested = FALSE;
8013 /* Fall through to parse the current output */
8018 * Look for machine move.
8020 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8021 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8023 /* This method is only useful on engines that support ping */
8024 if (cps->lastPing != cps->lastPong) {
8025 if (gameMode == BeginningOfGame) {
8026 /* Extra move from before last new; ignore */
8027 if (appData.debugMode) {
8028 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8031 if (appData.debugMode) {
8032 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8033 cps->which, gameMode);
8036 SendToProgram("undo\n", cps);
8042 case BeginningOfGame:
8043 /* Extra move from before last reset; ignore */
8044 if (appData.debugMode) {
8045 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8052 /* Extra move after we tried to stop. The mode test is
8053 not a reliable way of detecting this problem, but it's
8054 the best we can do on engines that don't support ping.
8056 if (appData.debugMode) {
8057 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8058 cps->which, gameMode);
8060 SendToProgram("undo\n", cps);
8063 case MachinePlaysWhite:
8064 case IcsPlayingWhite:
8065 machineWhite = TRUE;
8068 case MachinePlaysBlack:
8069 case IcsPlayingBlack:
8070 machineWhite = FALSE;
8073 case TwoMachinesPlay:
8074 machineWhite = (cps->twoMachinesColor[0] == 'w');
8077 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8078 if (appData.debugMode) {
8080 "Ignoring move out of turn by %s, gameMode %d"
8081 ", forwardMost %d\n",
8082 cps->which, gameMode, forwardMostMove);
8087 if(cps->alphaRank) AlphaRank(machineMove, 4);
8088 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8089 &fromX, &fromY, &toX, &toY, &promoChar)) {
8090 /* Machine move could not be parsed; ignore it. */
8091 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8092 machineMove, _(cps->which));
8093 DisplayError(buf1, 0);
8094 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8095 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8096 if (gameMode == TwoMachinesPlay) {
8097 GameEnds(machineWhite ? BlackWins : WhiteWins,
8103 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8104 /* So we have to redo legality test with true e.p. status here, */
8105 /* to make sure an illegal e.p. capture does not slip through, */
8106 /* to cause a forfeit on a justified illegal-move complaint */
8107 /* of the opponent. */
8108 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8110 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8111 fromY, fromX, toY, toX, promoChar);
8112 if(moveType == IllegalMove) {
8113 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8114 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8115 GameEnds(machineWhite ? BlackWins : WhiteWins,
8118 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8119 /* [HGM] Kludge to handle engines that send FRC-style castling
8120 when they shouldn't (like TSCP-Gothic) */
8122 case WhiteASideCastleFR:
8123 case BlackASideCastleFR:
8125 currentMoveString[2]++;
8127 case WhiteHSideCastleFR:
8128 case BlackHSideCastleFR:
8130 currentMoveString[2]--;
8132 default: ; // nothing to do, but suppresses warning of pedantic compilers
8135 hintRequested = FALSE;
8136 lastHint[0] = NULLCHAR;
8137 bookRequested = FALSE;
8138 /* Program may be pondering now */
8139 cps->maybeThinking = TRUE;
8140 if (cps->sendTime == 2) cps->sendTime = 1;
8141 if (cps->offeredDraw) cps->offeredDraw--;
8143 /* [AS] Save move info*/
8144 pvInfoList[ forwardMostMove ].score = programStats.score;
8145 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8146 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8148 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8150 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8151 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8154 while( count < adjudicateLossPlies ) {
8155 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8158 score = -score; /* Flip score for winning side */
8161 if( score > adjudicateLossThreshold ) {
8168 if( count >= adjudicateLossPlies ) {
8169 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8171 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8172 "Xboard adjudication",
8179 if(Adjudicate(cps)) {
8180 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8181 return; // [HGM] adjudicate: for all automatic game ends
8185 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8187 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8188 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8190 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8192 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8194 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8195 char buf[3*MSG_SIZ];
8197 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8198 programStats.score / 100.,
8200 programStats.time / 100.,
8201 (unsigned int)programStats.nodes,
8202 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8203 programStats.movelist);
8205 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8210 /* [AS] Clear stats for next move */
8211 ClearProgramStats();
8212 thinkOutput[0] = NULLCHAR;
8213 hiddenThinkOutputState = 0;
8216 if (gameMode == TwoMachinesPlay) {
8217 /* [HGM] relaying draw offers moved to after reception of move */
8218 /* and interpreting offer as claim if it brings draw condition */
8219 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8220 SendToProgram("draw\n", cps->other);
8222 if (cps->other->sendTime) {
8223 SendTimeRemaining(cps->other,
8224 cps->other->twoMachinesColor[0] == 'w');
8226 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8227 if (firstMove && !bookHit) {
8229 if (cps->other->useColors) {
8230 SendToProgram(cps->other->twoMachinesColor, cps->other);
8232 SendToProgram("go\n", cps->other);
8234 cps->other->maybeThinking = TRUE;
8237 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8239 if (!pausing && appData.ringBellAfterMoves) {
8244 * Reenable menu items that were disabled while
8245 * machine was thinking
8247 if (gameMode != TwoMachinesPlay)
8248 SetUserThinkingEnables();
8250 // [HGM] book: after book hit opponent has received move and is now in force mode
8251 // force the book reply into it, and then fake that it outputted this move by jumping
8252 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8254 static char bookMove[MSG_SIZ]; // a bit generous?
8256 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8257 strcat(bookMove, bookHit);
8260 programStats.nodes = programStats.depth = programStats.time =
8261 programStats.score = programStats.got_only_move = 0;
8262 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8264 if(cps->lastPing != cps->lastPong) {
8265 savedMessage = message; // args for deferred call
8267 ScheduleDelayedEvent(DeferredBookMove, 10);
8276 /* Set special modes for chess engines. Later something general
8277 * could be added here; for now there is just one kludge feature,
8278 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8279 * when "xboard" is given as an interactive command.
8281 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8282 cps->useSigint = FALSE;
8283 cps->useSigterm = FALSE;
8285 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8286 ParseFeatures(message+8, cps);
8287 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8290 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8291 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8292 int dummy, s=6; char buf[MSG_SIZ];
8293 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8294 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8295 if(startedFromSetupPosition) return;
8296 ParseFEN(boards[0], &dummy, message+s);
8297 DrawPosition(TRUE, boards[0]);
8298 startedFromSetupPosition = TRUE;
8301 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8302 * want this, I was asked to put it in, and obliged.
8304 if (!strncmp(message, "setboard ", 9)) {
8305 Board initial_position;
8307 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8309 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8310 DisplayError(_("Bad FEN received from engine"), 0);
8314 CopyBoard(boards[0], initial_position);
8315 initialRulePlies = FENrulePlies;
8316 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8317 else gameMode = MachinePlaysBlack;
8318 DrawPosition(FALSE, boards[currentMove]);
8324 * Look for communication commands
8326 if (!strncmp(message, "telluser ", 9)) {
8327 if(message[9] == '\\' && message[10] == '\\')
8328 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8330 DisplayNote(message + 9);
8333 if (!strncmp(message, "tellusererror ", 14)) {
8335 if(message[14] == '\\' && message[15] == '\\')
8336 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8338 DisplayError(message + 14, 0);
8341 if (!strncmp(message, "tellopponent ", 13)) {
8342 if (appData.icsActive) {
8344 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8348 DisplayNote(message + 13);
8352 if (!strncmp(message, "tellothers ", 11)) {
8353 if (appData.icsActive) {
8355 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8361 if (!strncmp(message, "tellall ", 8)) {
8362 if (appData.icsActive) {
8364 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8368 DisplayNote(message + 8);
8372 if (strncmp(message, "warning", 7) == 0) {
8373 /* Undocumented feature, use tellusererror in new code */
8374 DisplayError(message, 0);
8377 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8378 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8379 strcat(realname, " query");
8380 AskQuestion(realname, buf2, buf1, cps->pr);
8383 /* Commands from the engine directly to ICS. We don't allow these to be
8384 * sent until we are logged on. Crafty kibitzes have been known to
8385 * interfere with the login process.
8388 if (!strncmp(message, "tellics ", 8)) {
8389 SendToICS(message + 8);
8393 if (!strncmp(message, "tellicsnoalias ", 15)) {
8394 SendToICS(ics_prefix);
8395 SendToICS(message + 15);
8399 /* The following are for backward compatibility only */
8400 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8401 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8402 SendToICS(ics_prefix);
8408 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8412 * If the move is illegal, cancel it and redraw the board.
8413 * Also deal with other error cases. Matching is rather loose
8414 * here to accommodate engines written before the spec.
8416 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8417 strncmp(message, "Error", 5) == 0) {
8418 if (StrStr(message, "name") ||
8419 StrStr(message, "rating") || StrStr(message, "?") ||
8420 StrStr(message, "result") || StrStr(message, "board") ||
8421 StrStr(message, "bk") || StrStr(message, "computer") ||
8422 StrStr(message, "variant") || StrStr(message, "hint") ||
8423 StrStr(message, "random") || StrStr(message, "depth") ||
8424 StrStr(message, "accepted")) {
8427 if (StrStr(message, "protover")) {
8428 /* Program is responding to input, so it's apparently done
8429 initializing, and this error message indicates it is
8430 protocol version 1. So we don't need to wait any longer
8431 for it to initialize and send feature commands. */
8432 FeatureDone(cps, 1);
8433 cps->protocolVersion = 1;
8436 cps->maybeThinking = FALSE;
8438 if (StrStr(message, "draw")) {
8439 /* Program doesn't have "draw" command */
8440 cps->sendDrawOffers = 0;
8443 if (cps->sendTime != 1 &&
8444 (StrStr(message, "time") || StrStr(message, "otim"))) {
8445 /* Program apparently doesn't have "time" or "otim" command */
8449 if (StrStr(message, "analyze")) {
8450 cps->analysisSupport = FALSE;
8451 cps->analyzing = FALSE;
8452 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8453 EditGameEvent(); // [HGM] try to preserve loaded game
8454 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8455 DisplayError(buf2, 0);
8458 if (StrStr(message, "(no matching move)st")) {
8459 /* Special kludge for GNU Chess 4 only */
8460 cps->stKludge = TRUE;
8461 SendTimeControl(cps, movesPerSession, timeControl,
8462 timeIncrement, appData.searchDepth,
8466 if (StrStr(message, "(no matching move)sd")) {
8467 /* Special kludge for GNU Chess 4 only */
8468 cps->sdKludge = TRUE;
8469 SendTimeControl(cps, movesPerSession, timeControl,
8470 timeIncrement, appData.searchDepth,
8474 if (!StrStr(message, "llegal")) {
8477 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8478 gameMode == IcsIdle) return;
8479 if (forwardMostMove <= backwardMostMove) return;
8480 if (pausing) PauseEvent();
8481 if(appData.forceIllegal) {
8482 // [HGM] illegal: machine refused move; force position after move into it
8483 SendToProgram("force\n", cps);
8484 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8485 // we have a real problem now, as SendBoard will use the a2a3 kludge
8486 // when black is to move, while there might be nothing on a2 or black
8487 // might already have the move. So send the board as if white has the move.
8488 // But first we must change the stm of the engine, as it refused the last move
8489 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8490 if(WhiteOnMove(forwardMostMove)) {
8491 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8492 SendBoard(cps, forwardMostMove); // kludgeless board
8494 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8495 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8496 SendBoard(cps, forwardMostMove+1); // kludgeless board
8498 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8499 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8500 gameMode == TwoMachinesPlay)
8501 SendToProgram("go\n", cps);
8504 if (gameMode == PlayFromGameFile) {
8505 /* Stop reading this game file */
8506 gameMode = EditGame;
8509 /* [HGM] illegal-move claim should forfeit game when Xboard */
8510 /* only passes fully legal moves */
8511 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8512 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8513 "False illegal-move claim", GE_XBOARD );
8514 return; // do not take back move we tested as valid
8516 currentMove = forwardMostMove-1;
8517 DisplayMove(currentMove-1); /* before DisplayMoveError */
8518 SwitchClocks(forwardMostMove-1); // [HGM] race
8519 DisplayBothClocks();
8520 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8521 parseList[currentMove], _(cps->which));
8522 DisplayMoveError(buf1);
8523 DrawPosition(FALSE, boards[currentMove]);
8525 SetUserThinkingEnables();
8528 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8529 /* Program has a broken "time" command that
8530 outputs a string not ending in newline.
8536 * If chess program startup fails, exit with an error message.
8537 * Attempts to recover here are futile. [HGM] Well, we try anyway
8539 if ((StrStr(message, "unknown host") != NULL)
8540 || (StrStr(message, "No remote directory") != NULL)
8541 || (StrStr(message, "not found") != NULL)
8542 || (StrStr(message, "No such file") != NULL)
8543 || (StrStr(message, "can't alloc") != NULL)
8544 || (StrStr(message, "Permission denied") != NULL)) {
8546 cps->maybeThinking = FALSE;
8547 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8548 _(cps->which), cps->program, cps->host, message);
8549 RemoveInputSource(cps->isr);
8550 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8551 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8552 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8558 * Look for hint output
8560 if (sscanf(message, "Hint: %s", buf1) == 1) {
8561 if (cps == &first && hintRequested) {
8562 hintRequested = FALSE;
8563 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8564 &fromX, &fromY, &toX, &toY, &promoChar)) {
8565 (void) CoordsToAlgebraic(boards[forwardMostMove],
8566 PosFlags(forwardMostMove),
8567 fromY, fromX, toY, toX, promoChar, buf1);
8568 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8569 DisplayInformation(buf2);
8571 /* Hint move could not be parsed!? */
8572 snprintf(buf2, sizeof(buf2),
8573 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8574 buf1, _(cps->which));
8575 DisplayError(buf2, 0);
8578 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8584 * Ignore other messages if game is not in progress
8586 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8587 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8590 * look for win, lose, draw, or draw offer
8592 if (strncmp(message, "1-0", 3) == 0) {
8593 char *p, *q, *r = "";
8594 p = strchr(message, '{');
8602 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8604 } else if (strncmp(message, "0-1", 3) == 0) {
8605 char *p, *q, *r = "";
8606 p = strchr(message, '{');
8614 /* Kludge for Arasan 4.1 bug */
8615 if (strcmp(r, "Black resigns") == 0) {
8616 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8619 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8621 } else if (strncmp(message, "1/2", 3) == 0) {
8622 char *p, *q, *r = "";
8623 p = strchr(message, '{');
8632 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8635 } else if (strncmp(message, "White resign", 12) == 0) {
8636 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8638 } else if (strncmp(message, "Black resign", 12) == 0) {
8639 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8641 } else if (strncmp(message, "White matches", 13) == 0 ||
8642 strncmp(message, "Black matches", 13) == 0 ) {
8643 /* [HGM] ignore GNUShogi noises */
8645 } else if (strncmp(message, "White", 5) == 0 &&
8646 message[5] != '(' &&
8647 StrStr(message, "Black") == NULL) {
8648 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8650 } else if (strncmp(message, "Black", 5) == 0 &&
8651 message[5] != '(') {
8652 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8654 } else if (strcmp(message, "resign") == 0 ||
8655 strcmp(message, "computer resigns") == 0) {
8657 case MachinePlaysBlack:
8658 case IcsPlayingBlack:
8659 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8661 case MachinePlaysWhite:
8662 case IcsPlayingWhite:
8663 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8665 case TwoMachinesPlay:
8666 if (cps->twoMachinesColor[0] == 'w')
8667 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8669 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8676 } else if (strncmp(message, "opponent mates", 14) == 0) {
8678 case MachinePlaysBlack:
8679 case IcsPlayingBlack:
8680 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8682 case MachinePlaysWhite:
8683 case IcsPlayingWhite:
8684 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8686 case TwoMachinesPlay:
8687 if (cps->twoMachinesColor[0] == 'w')
8688 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8690 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8697 } else if (strncmp(message, "computer mates", 14) == 0) {
8699 case MachinePlaysBlack:
8700 case IcsPlayingBlack:
8701 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8703 case MachinePlaysWhite:
8704 case IcsPlayingWhite:
8705 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8707 case TwoMachinesPlay:
8708 if (cps->twoMachinesColor[0] == 'w')
8709 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8711 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8718 } else if (strncmp(message, "checkmate", 9) == 0) {
8719 if (WhiteOnMove(forwardMostMove)) {
8720 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8722 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8725 } else if (strstr(message, "Draw") != NULL ||
8726 strstr(message, "game is a draw") != NULL) {
8727 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8729 } else if (strstr(message, "offer") != NULL &&
8730 strstr(message, "draw") != NULL) {
8732 if (appData.zippyPlay && first.initDone) {
8733 /* Relay offer to ICS */
8734 SendToICS(ics_prefix);
8735 SendToICS("draw\n");
8738 cps->offeredDraw = 2; /* valid until this engine moves twice */
8739 if (gameMode == TwoMachinesPlay) {
8740 if (cps->other->offeredDraw) {
8741 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8742 /* [HGM] in two-machine mode we delay relaying draw offer */
8743 /* until after we also have move, to see if it is really claim */
8745 } else if (gameMode == MachinePlaysWhite ||
8746 gameMode == MachinePlaysBlack) {
8747 if (userOfferedDraw) {
8748 DisplayInformation(_("Machine accepts your draw offer"));
8749 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8751 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8758 * Look for thinking output
8760 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8761 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8763 int plylev, mvleft, mvtot, curscore, time;
8764 char mvname[MOVE_LEN];
8768 int prefixHint = FALSE;
8769 mvname[0] = NULLCHAR;
8772 case MachinePlaysBlack:
8773 case IcsPlayingBlack:
8774 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8776 case MachinePlaysWhite:
8777 case IcsPlayingWhite:
8778 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8783 case IcsObserving: /* [DM] icsEngineAnalyze */
8784 if (!appData.icsEngineAnalyze) ignore = TRUE;
8786 case TwoMachinesPlay:
8787 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8797 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8799 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8800 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8802 if (plyext != ' ' && plyext != '\t') {
8806 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8807 if( cps->scoreIsAbsolute &&
8808 ( gameMode == MachinePlaysBlack ||
8809 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8810 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8811 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8812 !WhiteOnMove(currentMove)
8815 curscore = -curscore;
8818 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8820 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8823 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8824 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8825 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8826 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8827 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8828 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8830 } else DisplayError(_("failed writing PV"), 0);
8833 tempStats.depth = plylev;
8834 tempStats.nodes = nodes;
8835 tempStats.time = time;
8836 tempStats.score = curscore;
8837 tempStats.got_only_move = 0;
8839 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8842 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8843 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8844 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8845 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8846 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8847 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8848 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8849 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8852 /* Buffer overflow protection */
8853 if (pv[0] != NULLCHAR) {
8854 if (strlen(pv) >= sizeof(tempStats.movelist)
8855 && appData.debugMode) {
8857 "PV is too long; using the first %u bytes.\n",
8858 (unsigned) sizeof(tempStats.movelist) - 1);
8861 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8863 sprintf(tempStats.movelist, " no PV\n");
8866 if (tempStats.seen_stat) {
8867 tempStats.ok_to_send = 1;
8870 if (strchr(tempStats.movelist, '(') != NULL) {
8871 tempStats.line_is_book = 1;
8872 tempStats.nr_moves = 0;
8873 tempStats.moves_left = 0;
8875 tempStats.line_is_book = 0;
8878 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8879 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8881 SendProgramStatsToFrontend( cps, &tempStats );
8884 [AS] Protect the thinkOutput buffer from overflow... this
8885 is only useful if buf1 hasn't overflowed first!
8887 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8889 (gameMode == TwoMachinesPlay ?
8890 ToUpper(cps->twoMachinesColor[0]) : ' '),
8891 ((double) curscore) / 100.0,
8892 prefixHint ? lastHint : "",
8893 prefixHint ? " " : "" );
8895 if( buf1[0] != NULLCHAR ) {
8896 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8898 if( strlen(pv) > max_len ) {
8899 if( appData.debugMode) {
8900 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8902 pv[max_len+1] = '\0';
8905 strcat( thinkOutput, pv);
8908 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8909 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8910 DisplayMove(currentMove - 1);
8914 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8915 /* crafty (9.25+) says "(only move) <move>"
8916 * if there is only 1 legal move
8918 sscanf(p, "(only move) %s", buf1);
8919 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8920 sprintf(programStats.movelist, "%s (only move)", buf1);
8921 programStats.depth = 1;
8922 programStats.nr_moves = 1;
8923 programStats.moves_left = 1;
8924 programStats.nodes = 1;
8925 programStats.time = 1;
8926 programStats.got_only_move = 1;
8928 /* Not really, but we also use this member to
8929 mean "line isn't going to change" (Crafty
8930 isn't searching, so stats won't change) */
8931 programStats.line_is_book = 1;
8933 SendProgramStatsToFrontend( cps, &programStats );
8935 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8936 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8937 DisplayMove(currentMove - 1);
8940 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8941 &time, &nodes, &plylev, &mvleft,
8942 &mvtot, mvname) >= 5) {
8943 /* The stat01: line is from Crafty (9.29+) in response
8944 to the "." command */
8945 programStats.seen_stat = 1;
8946 cps->maybeThinking = TRUE;
8948 if (programStats.got_only_move || !appData.periodicUpdates)
8951 programStats.depth = plylev;
8952 programStats.time = time;
8953 programStats.nodes = nodes;
8954 programStats.moves_left = mvleft;
8955 programStats.nr_moves = mvtot;
8956 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8957 programStats.ok_to_send = 1;
8958 programStats.movelist[0] = '\0';
8960 SendProgramStatsToFrontend( cps, &programStats );
8964 } else if (strncmp(message,"++",2) == 0) {
8965 /* Crafty 9.29+ outputs this */
8966 programStats.got_fail = 2;
8969 } else if (strncmp(message,"--",2) == 0) {
8970 /* Crafty 9.29+ outputs this */
8971 programStats.got_fail = 1;
8974 } else if (thinkOutput[0] != NULLCHAR &&
8975 strncmp(message, " ", 4) == 0) {
8976 unsigned message_len;
8979 while (*p && *p == ' ') p++;
8981 message_len = strlen( p );
8983 /* [AS] Avoid buffer overflow */
8984 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8985 strcat(thinkOutput, " ");
8986 strcat(thinkOutput, p);
8989 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8990 strcat(programStats.movelist, " ");
8991 strcat(programStats.movelist, p);
8994 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8995 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8996 DisplayMove(currentMove - 1);
9004 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9005 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9007 ChessProgramStats cpstats;
9009 if (plyext != ' ' && plyext != '\t') {
9013 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9014 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9015 curscore = -curscore;
9018 cpstats.depth = plylev;
9019 cpstats.nodes = nodes;
9020 cpstats.time = time;
9021 cpstats.score = curscore;
9022 cpstats.got_only_move = 0;
9023 cpstats.movelist[0] = '\0';
9025 if (buf1[0] != NULLCHAR) {
9026 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9029 cpstats.ok_to_send = 0;
9030 cpstats.line_is_book = 0;
9031 cpstats.nr_moves = 0;
9032 cpstats.moves_left = 0;
9034 SendProgramStatsToFrontend( cps, &cpstats );
9041 /* Parse a game score from the character string "game", and
9042 record it as the history of the current game. The game
9043 score is NOT assumed to start from the standard position.
9044 The display is not updated in any way.
9047 ParseGameHistory (char *game)
9050 int fromX, fromY, toX, toY, boardIndex;
9055 if (appData.debugMode)
9056 fprintf(debugFP, "Parsing game history: %s\n", game);
9058 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9059 gameInfo.site = StrSave(appData.icsHost);
9060 gameInfo.date = PGNDate();
9061 gameInfo.round = StrSave("-");
9063 /* Parse out names of players */
9064 while (*game == ' ') game++;
9066 while (*game != ' ') *p++ = *game++;
9068 gameInfo.white = StrSave(buf);
9069 while (*game == ' ') game++;
9071 while (*game != ' ' && *game != '\n') *p++ = *game++;
9073 gameInfo.black = StrSave(buf);
9076 boardIndex = blackPlaysFirst ? 1 : 0;
9079 yyboardindex = boardIndex;
9080 moveType = (ChessMove) Myylex();
9082 case IllegalMove: /* maybe suicide chess, etc. */
9083 if (appData.debugMode) {
9084 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9085 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9086 setbuf(debugFP, NULL);
9088 case WhitePromotion:
9089 case BlackPromotion:
9090 case WhiteNonPromotion:
9091 case BlackNonPromotion:
9093 case WhiteCapturesEnPassant:
9094 case BlackCapturesEnPassant:
9095 case WhiteKingSideCastle:
9096 case WhiteQueenSideCastle:
9097 case BlackKingSideCastle:
9098 case BlackQueenSideCastle:
9099 case WhiteKingSideCastleWild:
9100 case WhiteQueenSideCastleWild:
9101 case BlackKingSideCastleWild:
9102 case BlackQueenSideCastleWild:
9104 case WhiteHSideCastleFR:
9105 case WhiteASideCastleFR:
9106 case BlackHSideCastleFR:
9107 case BlackASideCastleFR:
9109 fromX = currentMoveString[0] - AAA;
9110 fromY = currentMoveString[1] - ONE;
9111 toX = currentMoveString[2] - AAA;
9112 toY = currentMoveString[3] - ONE;
9113 promoChar = currentMoveString[4];
9117 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9118 fromX = moveType == WhiteDrop ?
9119 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9120 (int) CharToPiece(ToLower(currentMoveString[0]));
9122 toX = currentMoveString[2] - AAA;
9123 toY = currentMoveString[3] - ONE;
9124 promoChar = NULLCHAR;
9128 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9129 if (appData.debugMode) {
9130 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9131 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9132 setbuf(debugFP, NULL);
9134 DisplayError(buf, 0);
9136 case ImpossibleMove:
9138 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9139 if (appData.debugMode) {
9140 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9141 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9142 setbuf(debugFP, NULL);
9144 DisplayError(buf, 0);
9147 if (boardIndex < backwardMostMove) {
9148 /* Oops, gap. How did that happen? */
9149 DisplayError(_("Gap in move list"), 0);
9152 backwardMostMove = blackPlaysFirst ? 1 : 0;
9153 if (boardIndex > forwardMostMove) {
9154 forwardMostMove = boardIndex;
9158 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9159 strcat(parseList[boardIndex-1], " ");
9160 strcat(parseList[boardIndex-1], yy_text);
9172 case GameUnfinished:
9173 if (gameMode == IcsExamining) {
9174 if (boardIndex < backwardMostMove) {
9175 /* Oops, gap. How did that happen? */
9178 backwardMostMove = blackPlaysFirst ? 1 : 0;
9181 gameInfo.result = moveType;
9182 p = strchr(yy_text, '{');
9183 if (p == NULL) p = strchr(yy_text, '(');
9186 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9188 q = strchr(p, *p == '{' ? '}' : ')');
9189 if (q != NULL) *q = NULLCHAR;
9192 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9193 gameInfo.resultDetails = StrSave(p);
9196 if (boardIndex >= forwardMostMove &&
9197 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9198 backwardMostMove = blackPlaysFirst ? 1 : 0;
9201 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9202 fromY, fromX, toY, toX, promoChar,
9203 parseList[boardIndex]);
9204 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9205 /* currentMoveString is set as a side-effect of yylex */
9206 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9207 strcat(moveList[boardIndex], "\n");
9209 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9210 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9216 if(gameInfo.variant != VariantShogi)
9217 strcat(parseList[boardIndex - 1], "+");
9221 strcat(parseList[boardIndex - 1], "#");
9228 /* Apply a move to the given board */
9230 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9232 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9233 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9235 /* [HGM] compute & store e.p. status and castling rights for new position */
9236 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9238 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9239 oldEP = (signed char)board[EP_STATUS];
9240 board[EP_STATUS] = EP_NONE;
9242 if (fromY == DROP_RANK) {
9244 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9245 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9248 piece = board[toY][toX] = (ChessSquare) fromX;
9252 if( board[toY][toX] != EmptySquare )
9253 board[EP_STATUS] = EP_CAPTURE;
9255 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9256 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9257 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9259 if( board[fromY][fromX] == WhitePawn ) {
9260 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9261 board[EP_STATUS] = EP_PAWN_MOVE;
9263 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9264 gameInfo.variant != VariantBerolina || toX < fromX)
9265 board[EP_STATUS] = toX | berolina;
9266 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9267 gameInfo.variant != VariantBerolina || toX > fromX)
9268 board[EP_STATUS] = toX;
9271 if( board[fromY][fromX] == BlackPawn ) {
9272 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9273 board[EP_STATUS] = EP_PAWN_MOVE;
9274 if( toY-fromY== -2) {
9275 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9276 gameInfo.variant != VariantBerolina || toX < fromX)
9277 board[EP_STATUS] = toX | berolina;
9278 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9279 gameInfo.variant != VariantBerolina || toX > fromX)
9280 board[EP_STATUS] = toX;
9284 for(i=0; i<nrCastlingRights; i++) {
9285 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9286 board[CASTLING][i] == toX && castlingRank[i] == toY
9287 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9290 if (fromX == toX && fromY == toY) return;
9292 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9293 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9294 if(gameInfo.variant == VariantKnightmate)
9295 king += (int) WhiteUnicorn - (int) WhiteKing;
9297 /* Code added by Tord: */
9298 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9299 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9300 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9301 board[fromY][fromX] = EmptySquare;
9302 board[toY][toX] = EmptySquare;
9303 if((toX > fromX) != (piece == WhiteRook)) {
9304 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9306 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9308 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9309 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9310 board[fromY][fromX] = EmptySquare;
9311 board[toY][toX] = EmptySquare;
9312 if((toX > fromX) != (piece == BlackRook)) {
9313 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9315 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9317 /* End of code added by Tord */
9319 } else if (board[fromY][fromX] == king
9320 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9321 && toY == fromY && toX > fromX+1) {
9322 board[fromY][fromX] = EmptySquare;
9323 board[toY][toX] = king;
9324 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9325 board[fromY][BOARD_RGHT-1] = EmptySquare;
9326 } else if (board[fromY][fromX] == king
9327 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9328 && toY == fromY && toX < fromX-1) {
9329 board[fromY][fromX] = EmptySquare;
9330 board[toY][toX] = king;
9331 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9332 board[fromY][BOARD_LEFT] = EmptySquare;
9333 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9334 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9335 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9337 /* white pawn promotion */
9338 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9339 if(gameInfo.variant==VariantBughouse ||
9340 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9341 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9342 board[fromY][fromX] = EmptySquare;
9343 } else if ((fromY >= BOARD_HEIGHT>>1)
9345 && gameInfo.variant != VariantXiangqi
9346 && gameInfo.variant != VariantBerolina
9347 && (board[fromY][fromX] == WhitePawn)
9348 && (board[toY][toX] == EmptySquare)) {
9349 board[fromY][fromX] = EmptySquare;
9350 board[toY][toX] = WhitePawn;
9351 captured = board[toY - 1][toX];
9352 board[toY - 1][toX] = EmptySquare;
9353 } else if ((fromY == BOARD_HEIGHT-4)
9355 && gameInfo.variant == VariantBerolina
9356 && (board[fromY][fromX] == WhitePawn)
9357 && (board[toY][toX] == EmptySquare)) {
9358 board[fromY][fromX] = EmptySquare;
9359 board[toY][toX] = WhitePawn;
9360 if(oldEP & EP_BEROLIN_A) {
9361 captured = board[fromY][fromX-1];
9362 board[fromY][fromX-1] = EmptySquare;
9363 }else{ captured = board[fromY][fromX+1];
9364 board[fromY][fromX+1] = EmptySquare;
9366 } else if (board[fromY][fromX] == king
9367 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9368 && toY == fromY && toX > fromX+1) {
9369 board[fromY][fromX] = EmptySquare;
9370 board[toY][toX] = king;
9371 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9372 board[fromY][BOARD_RGHT-1] = EmptySquare;
9373 } else if (board[fromY][fromX] == king
9374 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9375 && toY == fromY && toX < fromX-1) {
9376 board[fromY][fromX] = EmptySquare;
9377 board[toY][toX] = king;
9378 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9379 board[fromY][BOARD_LEFT] = EmptySquare;
9380 } else if (fromY == 7 && fromX == 3
9381 && board[fromY][fromX] == BlackKing
9382 && toY == 7 && toX == 5) {
9383 board[fromY][fromX] = EmptySquare;
9384 board[toY][toX] = BlackKing;
9385 board[fromY][7] = EmptySquare;
9386 board[toY][4] = BlackRook;
9387 } else if (fromY == 7 && fromX == 3
9388 && board[fromY][fromX] == BlackKing
9389 && toY == 7 && toX == 1) {
9390 board[fromY][fromX] = EmptySquare;
9391 board[toY][toX] = BlackKing;
9392 board[fromY][0] = EmptySquare;
9393 board[toY][2] = BlackRook;
9394 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9395 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9396 && toY < promoRank && promoChar
9398 /* black pawn promotion */
9399 board[toY][toX] = CharToPiece(ToLower(promoChar));
9400 if(gameInfo.variant==VariantBughouse ||
9401 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9402 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9403 board[fromY][fromX] = EmptySquare;
9404 } else if ((fromY < BOARD_HEIGHT>>1)
9406 && gameInfo.variant != VariantXiangqi
9407 && gameInfo.variant != VariantBerolina
9408 && (board[fromY][fromX] == BlackPawn)
9409 && (board[toY][toX] == EmptySquare)) {
9410 board[fromY][fromX] = EmptySquare;
9411 board[toY][toX] = BlackPawn;
9412 captured = board[toY + 1][toX];
9413 board[toY + 1][toX] = EmptySquare;
9414 } else if ((fromY == 3)
9416 && gameInfo.variant == VariantBerolina
9417 && (board[fromY][fromX] == BlackPawn)
9418 && (board[toY][toX] == EmptySquare)) {
9419 board[fromY][fromX] = EmptySquare;
9420 board[toY][toX] = BlackPawn;
9421 if(oldEP & EP_BEROLIN_A) {
9422 captured = board[fromY][fromX-1];
9423 board[fromY][fromX-1] = EmptySquare;
9424 }else{ captured = board[fromY][fromX+1];
9425 board[fromY][fromX+1] = EmptySquare;
9428 board[toY][toX] = board[fromY][fromX];
9429 board[fromY][fromX] = EmptySquare;
9433 if (gameInfo.holdingsWidth != 0) {
9435 /* !!A lot more code needs to be written to support holdings */
9436 /* [HGM] OK, so I have written it. Holdings are stored in the */
9437 /* penultimate board files, so they are automaticlly stored */
9438 /* in the game history. */
9439 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9440 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9441 /* Delete from holdings, by decreasing count */
9442 /* and erasing image if necessary */
9443 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9444 if(p < (int) BlackPawn) { /* white drop */
9445 p -= (int)WhitePawn;
9446 p = PieceToNumber((ChessSquare)p);
9447 if(p >= gameInfo.holdingsSize) p = 0;
9448 if(--board[p][BOARD_WIDTH-2] <= 0)
9449 board[p][BOARD_WIDTH-1] = EmptySquare;
9450 if((int)board[p][BOARD_WIDTH-2] < 0)
9451 board[p][BOARD_WIDTH-2] = 0;
9452 } else { /* black drop */
9453 p -= (int)BlackPawn;
9454 p = PieceToNumber((ChessSquare)p);
9455 if(p >= gameInfo.holdingsSize) p = 0;
9456 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9457 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9458 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9459 board[BOARD_HEIGHT-1-p][1] = 0;
9462 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9463 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9464 /* [HGM] holdings: Add to holdings, if holdings exist */
9465 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9466 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9467 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9470 if (p >= (int) BlackPawn) {
9471 p -= (int)BlackPawn;
9472 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9473 /* in Shogi restore piece to its original first */
9474 captured = (ChessSquare) (DEMOTED captured);
9477 p = PieceToNumber((ChessSquare)p);
9478 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9479 board[p][BOARD_WIDTH-2]++;
9480 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9482 p -= (int)WhitePawn;
9483 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9484 captured = (ChessSquare) (DEMOTED captured);
9487 p = PieceToNumber((ChessSquare)p);
9488 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9489 board[BOARD_HEIGHT-1-p][1]++;
9490 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9493 } else if (gameInfo.variant == VariantAtomic) {
9494 if (captured != EmptySquare) {
9496 for (y = toY-1; y <= toY+1; y++) {
9497 for (x = toX-1; x <= toX+1; x++) {
9498 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9499 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9500 board[y][x] = EmptySquare;
9504 board[toY][toX] = EmptySquare;
9507 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9508 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9510 if(promoChar == '+') {
9511 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9512 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9513 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9514 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9515 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9516 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9517 board[toY][toX] = newPiece;
9519 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9520 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9521 // [HGM] superchess: take promotion piece out of holdings
9522 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9523 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9524 if(!--board[k][BOARD_WIDTH-2])
9525 board[k][BOARD_WIDTH-1] = EmptySquare;
9527 if(!--board[BOARD_HEIGHT-1-k][1])
9528 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9534 /* Updates forwardMostMove */
9536 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9538 // forwardMostMove++; // [HGM] bare: moved downstream
9540 (void) CoordsToAlgebraic(boards[forwardMostMove],
9541 PosFlags(forwardMostMove),
9542 fromY, fromX, toY, toX, promoChar,
9543 parseList[forwardMostMove]);
9545 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9546 int timeLeft; static int lastLoadFlag=0; int king, piece;
9547 piece = boards[forwardMostMove][fromY][fromX];
9548 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9549 if(gameInfo.variant == VariantKnightmate)
9550 king += (int) WhiteUnicorn - (int) WhiteKing;
9551 if(forwardMostMove == 0) {
9552 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9553 fprintf(serverMoves, "%s;", UserName());
9554 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9555 fprintf(serverMoves, "%s;", second.tidy);
9556 fprintf(serverMoves, "%s;", first.tidy);
9557 if(gameMode == MachinePlaysWhite)
9558 fprintf(serverMoves, "%s;", UserName());
9559 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9560 fprintf(serverMoves, "%s;", second.tidy);
9561 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9562 lastLoadFlag = loadFlag;
9564 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9565 // print castling suffix
9566 if( toY == fromY && piece == king ) {
9568 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9570 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9573 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9574 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9575 boards[forwardMostMove][toY][toX] == EmptySquare
9576 && fromX != toX && fromY != toY)
9577 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9579 if(promoChar != NULLCHAR)
9580 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9582 char buf[MOVE_LEN*2], *p; int len;
9583 fprintf(serverMoves, "/%d/%d",
9584 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9585 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9586 else timeLeft = blackTimeRemaining/1000;
9587 fprintf(serverMoves, "/%d", timeLeft);
9588 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9589 if(p = strchr(buf, '=')) *p = NULLCHAR;
9590 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9591 fprintf(serverMoves, "/%s", buf);
9593 fflush(serverMoves);
9596 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9597 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9600 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9601 if (commentList[forwardMostMove+1] != NULL) {
9602 free(commentList[forwardMostMove+1]);
9603 commentList[forwardMostMove+1] = NULL;
9605 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9606 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9607 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9608 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9609 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9610 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9611 adjustedClock = FALSE;
9612 gameInfo.result = GameUnfinished;
9613 if (gameInfo.resultDetails != NULL) {
9614 free(gameInfo.resultDetails);
9615 gameInfo.resultDetails = NULL;
9617 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9618 moveList[forwardMostMove - 1]);
9619 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9625 if(gameInfo.variant != VariantShogi)
9626 strcat(parseList[forwardMostMove - 1], "+");
9630 strcat(parseList[forwardMostMove - 1], "#");
9636 /* Updates currentMove if not pausing */
9638 ShowMove (int fromX, int fromY, int toX, int toY)
9640 int instant = (gameMode == PlayFromGameFile) ?
9641 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9642 if(appData.noGUI) return;
9643 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9645 if (forwardMostMove == currentMove + 1) {
9646 AnimateMove(boards[forwardMostMove - 1],
9647 fromX, fromY, toX, toY);
9649 if (appData.highlightLastMove) {
9650 SetHighlights(fromX, fromY, toX, toY);
9653 currentMove = forwardMostMove;
9656 if (instant) return;
9658 DisplayMove(currentMove - 1);
9659 DrawPosition(FALSE, boards[currentMove]);
9660 DisplayBothClocks();
9661 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9665 SendEgtPath (ChessProgramState *cps)
9666 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9667 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9669 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9672 char c, *q = name+1, *r, *s;
9674 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9675 while(*p && *p != ',') *q++ = *p++;
9677 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9678 strcmp(name, ",nalimov:") == 0 ) {
9679 // take nalimov path from the menu-changeable option first, if it is defined
9680 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9681 SendToProgram(buf,cps); // send egtbpath command for nalimov
9683 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9684 (s = StrStr(appData.egtFormats, name)) != NULL) {
9685 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9686 s = r = StrStr(s, ":") + 1; // beginning of path info
9687 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9688 c = *r; *r = 0; // temporarily null-terminate path info
9689 *--q = 0; // strip of trailig ':' from name
9690 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9692 SendToProgram(buf,cps); // send egtbpath command for this format
9694 if(*p == ',') p++; // read away comma to position for next format name
9699 InitChessProgram (ChessProgramState *cps, int setup)
9700 /* setup needed to setup FRC opening position */
9702 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9703 if (appData.noChessProgram) return;
9704 hintRequested = FALSE;
9705 bookRequested = FALSE;
9707 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9708 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9709 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9710 if(cps->memSize) { /* [HGM] memory */
9711 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9712 SendToProgram(buf, cps);
9714 SendEgtPath(cps); /* [HGM] EGT */
9715 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9716 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9717 SendToProgram(buf, cps);
9720 SendToProgram(cps->initString, cps);
9721 if (gameInfo.variant != VariantNormal &&
9722 gameInfo.variant != VariantLoadable
9723 /* [HGM] also send variant if board size non-standard */
9724 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9726 char *v = VariantName(gameInfo.variant);
9727 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9728 /* [HGM] in protocol 1 we have to assume all variants valid */
9729 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9730 DisplayFatalError(buf, 0, 1);
9734 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9735 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9736 if( gameInfo.variant == VariantXiangqi )
9737 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9738 if( gameInfo.variant == VariantShogi )
9739 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9740 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9741 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9742 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9743 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9744 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9745 if( gameInfo.variant == VariantCourier )
9746 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9747 if( gameInfo.variant == VariantSuper )
9748 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9749 if( gameInfo.variant == VariantGreat )
9750 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9751 if( gameInfo.variant == VariantSChess )
9752 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9753 if( gameInfo.variant == VariantGrand )
9754 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9757 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9758 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9759 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9760 if(StrStr(cps->variants, b) == NULL) {
9761 // specific sized variant not known, check if general sizing allowed
9762 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9763 if(StrStr(cps->variants, "boardsize") == NULL) {
9764 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9765 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9766 DisplayFatalError(buf, 0, 1);
9769 /* [HGM] here we really should compare with the maximum supported board size */
9772 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9773 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9774 SendToProgram(buf, cps);
9776 currentlyInitializedVariant = gameInfo.variant;
9778 /* [HGM] send opening position in FRC to first engine */
9780 SendToProgram("force\n", cps);
9782 /* engine is now in force mode! Set flag to wake it up after first move. */
9783 setboardSpoiledMachineBlack = 1;
9787 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9788 SendToProgram(buf, cps);
9790 cps->maybeThinking = FALSE;
9791 cps->offeredDraw = 0;
9792 if (!appData.icsActive) {
9793 SendTimeControl(cps, movesPerSession, timeControl,
9794 timeIncrement, appData.searchDepth,
9797 if (appData.showThinking
9798 // [HGM] thinking: four options require thinking output to be sent
9799 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9801 SendToProgram("post\n", cps);
9803 SendToProgram("hard\n", cps);
9804 if (!appData.ponderNextMove) {
9805 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9806 it without being sure what state we are in first. "hard"
9807 is not a toggle, so that one is OK.
9809 SendToProgram("easy\n", cps);
9812 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9813 SendToProgram(buf, cps);
9815 cps->initDone = TRUE;
9816 ClearEngineOutputPane(cps == &second);
9821 StartChessProgram (ChessProgramState *cps)
9826 if (appData.noChessProgram) return;
9827 cps->initDone = FALSE;
9829 if (strcmp(cps->host, "localhost") == 0) {
9830 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9831 } else if (*appData.remoteShell == NULLCHAR) {
9832 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9834 if (*appData.remoteUser == NULLCHAR) {
9835 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9838 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9839 cps->host, appData.remoteUser, cps->program);
9841 err = StartChildProcess(buf, "", &cps->pr);
9845 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9846 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9847 if(cps != &first) return;
9848 appData.noChessProgram = TRUE;
9851 // DisplayFatalError(buf, err, 1);
9852 // cps->pr = NoProc;
9857 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9858 if (cps->protocolVersion > 1) {
9859 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9860 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9861 cps->comboCnt = 0; // and values of combo boxes
9862 SendToProgram(buf, cps);
9864 SendToProgram("xboard\n", cps);
9869 TwoMachinesEventIfReady P((void))
9871 static int curMess = 0;
9872 if (first.lastPing != first.lastPong) {
9873 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9874 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9877 if (second.lastPing != second.lastPong) {
9878 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9879 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9882 DisplayMessage("", ""); curMess = 0;
9888 MakeName (char *template)
9892 static char buf[MSG_SIZ];
9896 clock = time((time_t *)NULL);
9897 tm = localtime(&clock);
9899 while(*p++ = *template++) if(p[-1] == '%') {
9900 switch(*template++) {
9901 case 0: *p = 0; return buf;
9902 case 'Y': i = tm->tm_year+1900; break;
9903 case 'y': i = tm->tm_year-100; break;
9904 case 'M': i = tm->tm_mon+1; break;
9905 case 'd': i = tm->tm_mday; break;
9906 case 'h': i = tm->tm_hour; break;
9907 case 'm': i = tm->tm_min; break;
9908 case 's': i = tm->tm_sec; break;
9911 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9917 CountPlayers (char *p)
9920 while(p = strchr(p, '\n')) p++, n++; // count participants
9925 WriteTourneyFile (char *results, FILE *f)
9926 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9927 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9928 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9929 // create a file with tournament description
9930 fprintf(f, "-participants {%s}\n", appData.participants);
9931 fprintf(f, "-seedBase %d\n", appData.seedBase);
9932 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9933 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9934 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9935 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9936 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9937 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9938 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9939 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9940 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9941 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9942 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9943 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9945 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9947 fprintf(f, "-mps %d\n", appData.movesPerSession);
9948 fprintf(f, "-tc %s\n", appData.timeControl);
9949 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9951 fprintf(f, "-results \"%s\"\n", results);
9956 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9959 Substitute (char *participants, int expunge)
9961 int i, changed, changes=0, nPlayers=0;
9962 char *p, *q, *r, buf[MSG_SIZ];
9963 if(participants == NULL) return;
9964 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9965 r = p = participants; q = appData.participants;
9966 while(*p && *p == *q) {
9967 if(*p == '\n') r = p+1, nPlayers++;
9970 if(*p) { // difference
9971 while(*p && *p++ != '\n');
9972 while(*q && *q++ != '\n');
9974 changes = 1 + (strcmp(p, q) != 0);
9976 if(changes == 1) { // a single engine mnemonic was changed
9977 q = r; while(*q) nPlayers += (*q++ == '\n');
9978 p = buf; while(*r && (*p = *r++) != '\n') p++;
9980 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9981 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9982 if(mnemonic[i]) { // The substitute is valid
9984 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9985 flock(fileno(f), LOCK_EX);
9986 ParseArgsFromFile(f);
9987 fseek(f, 0, SEEK_SET);
9988 FREE(appData.participants); appData.participants = participants;
9989 if(expunge) { // erase results of replaced engine
9990 int len = strlen(appData.results), w, b, dummy;
9991 for(i=0; i<len; i++) {
9992 Pairing(i, nPlayers, &w, &b, &dummy);
9993 if((w == changed || b == changed) && appData.results[i] == '*') {
9994 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9999 for(i=0; i<len; i++) {
10000 Pairing(i, nPlayers, &w, &b, &dummy);
10001 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10004 WriteTourneyFile(appData.results, f);
10005 fclose(f); // release lock
10008 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10010 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10011 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10012 free(participants);
10017 CreateTourney (char *name)
10020 if(matchMode && strcmp(name, appData.tourneyFile)) {
10021 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10023 if(name[0] == NULLCHAR) {
10024 if(appData.participants[0])
10025 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10028 f = fopen(name, "r");
10029 if(f) { // file exists
10030 ASSIGN(appData.tourneyFile, name);
10031 ParseArgsFromFile(f); // parse it
10033 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10034 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10035 DisplayError(_("Not enough participants"), 0);
10038 ASSIGN(appData.tourneyFile, name);
10039 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10040 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10043 appData.noChessProgram = FALSE;
10044 appData.clockMode = TRUE;
10050 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10052 char buf[MSG_SIZ], *p, *q;
10053 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10054 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10055 skip = !all && group[0]; // if group requested, we start in skip mode
10056 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10057 p = names; q = buf; header = 0;
10058 while(*p && *p != '\n') *q++ = *p++;
10060 if(*p == '\n') p++;
10061 if(buf[0] == '#') {
10062 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10063 depth++; // we must be entering a new group
10064 if(all) continue; // suppress printing group headers when complete list requested
10066 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10068 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10069 if(engineList[i]) free(engineList[i]);
10070 engineList[i] = strdup(buf);
10071 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10072 if(engineMnemonic[i]) free(engineMnemonic[i]);
10073 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10075 sscanf(q + 8, "%s", buf + strlen(buf));
10078 engineMnemonic[i] = strdup(buf);
10081 engineList[i] = engineMnemonic[i] = NULL;
10085 // following implemented as macro to avoid type limitations
10086 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10089 SwapEngines (int n)
10090 { // swap settings for first engine and other engine (so far only some selected options)
10095 SWAP(chessProgram, p)
10097 SWAP(hasOwnBookUCI, h)
10098 SWAP(protocolVersion, h)
10100 SWAP(scoreIsAbsolute, h)
10105 SWAP(engOptions, p)
10106 SWAP(engInitString, p)
10107 SWAP(computerString, p)
10109 SWAP(fenOverride, p)
10111 SWAP(accumulateTC, h)
10116 SetPlayer (int player, char *p)
10117 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10119 char buf[MSG_SIZ], *engineName;
10120 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10121 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10122 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10124 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10125 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10126 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10127 ParseArgsFromString(buf);
10133 char *recentEngines;
10136 RecentEngineEvent (int nr)
10139 // SwapEngines(1); // bump first to second
10140 // ReplaceEngine(&second, 1); // and load it there
10141 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10142 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10143 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10144 ReplaceEngine(&first, 0);
10145 FloatToFront(&appData.recentEngineList, command[n]);
10150 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10151 { // determine players from game number
10152 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10154 if(appData.tourneyType == 0) {
10155 roundsPerCycle = (nPlayers - 1) | 1;
10156 pairingsPerRound = nPlayers / 2;
10157 } else if(appData.tourneyType > 0) {
10158 roundsPerCycle = nPlayers - appData.tourneyType;
10159 pairingsPerRound = appData.tourneyType;
10161 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10162 gamesPerCycle = gamesPerRound * roundsPerCycle;
10163 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10164 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10165 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10166 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10167 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10168 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10170 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10171 if(appData.roundSync) *syncInterval = gamesPerRound;
10173 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10175 if(appData.tourneyType == 0) {
10176 if(curPairing == (nPlayers-1)/2 ) {
10177 *whitePlayer = curRound;
10178 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10180 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10181 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10182 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10183 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10185 } else if(appData.tourneyType > 1) {
10186 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10187 *whitePlayer = curRound + appData.tourneyType;
10188 } else if(appData.tourneyType > 0) {
10189 *whitePlayer = curPairing;
10190 *blackPlayer = curRound + appData.tourneyType;
10193 // take care of white/black alternation per round.
10194 // For cycles and games this is already taken care of by default, derived from matchGame!
10195 return curRound & 1;
10199 NextTourneyGame (int nr, int *swapColors)
10200 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10202 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10204 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10205 tf = fopen(appData.tourneyFile, "r");
10206 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10207 ParseArgsFromFile(tf); fclose(tf);
10208 InitTimeControls(); // TC might be altered from tourney file
10210 nPlayers = CountPlayers(appData.participants); // count participants
10211 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10212 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10215 p = q = appData.results;
10216 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10217 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10218 DisplayMessage(_("Waiting for other game(s)"),"");
10219 waitingForGame = TRUE;
10220 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10223 waitingForGame = FALSE;
10226 if(appData.tourneyType < 0) {
10227 if(nr>=0 && !pairingReceived) {
10229 if(pairing.pr == NoProc) {
10230 if(!appData.pairingEngine[0]) {
10231 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10234 StartChessProgram(&pairing); // starts the pairing engine
10236 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10237 SendToProgram(buf, &pairing);
10238 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10239 SendToProgram(buf, &pairing);
10240 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10242 pairingReceived = 0; // ... so we continue here
10244 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10245 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10246 matchGame = 1; roundNr = nr / syncInterval + 1;
10249 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10251 // redefine engines, engine dir, etc.
10252 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10253 if(first.pr == NoProc) {
10254 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10255 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10257 if(second.pr == NoProc) {
10259 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10260 SwapEngines(1); // and make that valid for second engine by swapping
10261 InitEngine(&second, 1);
10263 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10264 UpdateLogos(FALSE); // leave display to ModeHiglight()
10270 { // performs game initialization that does not invoke engines, and then tries to start the game
10271 int res, firstWhite, swapColors = 0;
10272 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10273 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10275 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10276 if(strcmp(buf, currentDebugFile)) { // name has changed
10277 FILE *f = fopen(buf, "w");
10278 if(f) { // if opening the new file failed, just keep using the old one
10279 ASSIGN(currentDebugFile, buf);
10283 if(appData.serverFileName) {
10284 if(serverFP) fclose(serverFP);
10285 serverFP = fopen(appData.serverFileName, "w");
10286 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10287 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10291 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10292 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10293 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10294 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10295 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10296 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10297 Reset(FALSE, first.pr != NoProc);
10298 res = LoadGameOrPosition(matchGame); // setup game
10299 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10300 if(!res) return; // abort when bad game/pos file
10301 TwoMachinesEvent();
10305 UserAdjudicationEvent (int result)
10307 ChessMove gameResult = GameIsDrawn;
10310 gameResult = WhiteWins;
10312 else if( result < 0 ) {
10313 gameResult = BlackWins;
10316 if( gameMode == TwoMachinesPlay ) {
10317 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10322 // [HGM] save: calculate checksum of game to make games easily identifiable
10324 StringCheckSum (char *s)
10327 if(s==NULL) return 0;
10328 while(*s) i = i*259 + *s++;
10336 for(i=backwardMostMove; i<forwardMostMove; i++) {
10337 sum += pvInfoList[i].depth;
10338 sum += StringCheckSum(parseList[i]);
10339 sum += StringCheckSum(commentList[i]);
10342 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10343 return sum + StringCheckSum(commentList[i]);
10344 } // end of save patch
10347 GameEnds (ChessMove result, char *resultDetails, int whosays)
10349 GameMode nextGameMode;
10351 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10353 if(endingGame) return; /* [HGM] crash: forbid recursion */
10355 if(twoBoards) { // [HGM] dual: switch back to one board
10356 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10357 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10359 if (appData.debugMode) {
10360 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10361 result, resultDetails ? resultDetails : "(null)", whosays);
10364 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10366 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10367 /* If we are playing on ICS, the server decides when the
10368 game is over, but the engine can offer to draw, claim
10372 if (appData.zippyPlay && first.initDone) {
10373 if (result == GameIsDrawn) {
10374 /* In case draw still needs to be claimed */
10375 SendToICS(ics_prefix);
10376 SendToICS("draw\n");
10377 } else if (StrCaseStr(resultDetails, "resign")) {
10378 SendToICS(ics_prefix);
10379 SendToICS("resign\n");
10383 endingGame = 0; /* [HGM] crash */
10387 /* If we're loading the game from a file, stop */
10388 if (whosays == GE_FILE) {
10389 (void) StopLoadGameTimer();
10393 /* Cancel draw offers */
10394 first.offeredDraw = second.offeredDraw = 0;
10396 /* If this is an ICS game, only ICS can really say it's done;
10397 if not, anyone can. */
10398 isIcsGame = (gameMode == IcsPlayingWhite ||
10399 gameMode == IcsPlayingBlack ||
10400 gameMode == IcsObserving ||
10401 gameMode == IcsExamining);
10403 if (!isIcsGame || whosays == GE_ICS) {
10404 /* OK -- not an ICS game, or ICS said it was done */
10406 if (!isIcsGame && !appData.noChessProgram)
10407 SetUserThinkingEnables();
10409 /* [HGM] if a machine claims the game end we verify this claim */
10410 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10411 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10413 ChessMove trueResult = (ChessMove) -1;
10415 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10416 first.twoMachinesColor[0] :
10417 second.twoMachinesColor[0] ;
10419 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10420 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10421 /* [HGM] verify: engine mate claims accepted if they were flagged */
10422 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10424 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10425 /* [HGM] verify: engine mate claims accepted if they were flagged */
10426 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10428 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10429 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10432 // now verify win claims, but not in drop games, as we don't understand those yet
10433 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10434 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10435 (result == WhiteWins && claimer == 'w' ||
10436 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10437 if (appData.debugMode) {
10438 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10439 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10441 if(result != trueResult) {
10442 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10443 result = claimer == 'w' ? BlackWins : WhiteWins;
10444 resultDetails = buf;
10447 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10448 && (forwardMostMove <= backwardMostMove ||
10449 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10450 (claimer=='b')==(forwardMostMove&1))
10452 /* [HGM] verify: draws that were not flagged are false claims */
10453 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10454 result = claimer == 'w' ? BlackWins : WhiteWins;
10455 resultDetails = buf;
10457 /* (Claiming a loss is accepted no questions asked!) */
10459 /* [HGM] bare: don't allow bare King to win */
10460 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10461 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10462 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10463 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10464 && result != GameIsDrawn)
10465 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10466 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10467 int p = (signed char)boards[forwardMostMove][i][j] - color;
10468 if(p >= 0 && p <= (int)WhiteKing) k++;
10470 if (appData.debugMode) {
10471 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10472 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10475 result = GameIsDrawn;
10476 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10477 resultDetails = buf;
10483 if(serverMoves != NULL && !loadFlag) { char c = '=';
10484 if(result==WhiteWins) c = '+';
10485 if(result==BlackWins) c = '-';
10486 if(resultDetails != NULL)
10487 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10489 if (resultDetails != NULL) {
10490 gameInfo.result = result;
10491 gameInfo.resultDetails = StrSave(resultDetails);
10493 /* display last move only if game was not loaded from file */
10494 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10495 DisplayMove(currentMove - 1);
10497 if (forwardMostMove != 0) {
10498 if (gameMode != PlayFromGameFile && gameMode != EditGame
10499 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10501 if (*appData.saveGameFile != NULLCHAR) {
10502 SaveGameToFile(appData.saveGameFile, TRUE);
10503 } else if (appData.autoSaveGames) {
10506 if (*appData.savePositionFile != NULLCHAR) {
10507 SavePositionToFile(appData.savePositionFile);
10512 /* Tell program how game ended in case it is learning */
10513 /* [HGM] Moved this to after saving the PGN, just in case */
10514 /* engine died and we got here through time loss. In that */
10515 /* case we will get a fatal error writing the pipe, which */
10516 /* would otherwise lose us the PGN. */
10517 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10518 /* output during GameEnds should never be fatal anymore */
10519 if (gameMode == MachinePlaysWhite ||
10520 gameMode == MachinePlaysBlack ||
10521 gameMode == TwoMachinesPlay ||
10522 gameMode == IcsPlayingWhite ||
10523 gameMode == IcsPlayingBlack ||
10524 gameMode == BeginningOfGame) {
10526 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10528 if (first.pr != NoProc) {
10529 SendToProgram(buf, &first);
10531 if (second.pr != NoProc &&
10532 gameMode == TwoMachinesPlay) {
10533 SendToProgram(buf, &second);
10538 if (appData.icsActive) {
10539 if (appData.quietPlay &&
10540 (gameMode == IcsPlayingWhite ||
10541 gameMode == IcsPlayingBlack)) {
10542 SendToICS(ics_prefix);
10543 SendToICS("set shout 1\n");
10545 nextGameMode = IcsIdle;
10546 ics_user_moved = FALSE;
10547 /* clean up premove. It's ugly when the game has ended and the
10548 * premove highlights are still on the board.
10551 gotPremove = FALSE;
10552 ClearPremoveHighlights();
10553 DrawPosition(FALSE, boards[currentMove]);
10555 if (whosays == GE_ICS) {
10558 if (gameMode == IcsPlayingWhite)
10560 else if(gameMode == IcsPlayingBlack)
10561 PlayIcsLossSound();
10564 if (gameMode == IcsPlayingBlack)
10566 else if(gameMode == IcsPlayingWhite)
10567 PlayIcsLossSound();
10570 PlayIcsDrawSound();
10573 PlayIcsUnfinishedSound();
10576 } else if (gameMode == EditGame ||
10577 gameMode == PlayFromGameFile ||
10578 gameMode == AnalyzeMode ||
10579 gameMode == AnalyzeFile) {
10580 nextGameMode = gameMode;
10582 nextGameMode = EndOfGame;
10587 nextGameMode = gameMode;
10590 if (appData.noChessProgram) {
10591 gameMode = nextGameMode;
10593 endingGame = 0; /* [HGM] crash */
10598 /* Put first chess program into idle state */
10599 if (first.pr != NoProc &&
10600 (gameMode == MachinePlaysWhite ||
10601 gameMode == MachinePlaysBlack ||
10602 gameMode == TwoMachinesPlay ||
10603 gameMode == IcsPlayingWhite ||
10604 gameMode == IcsPlayingBlack ||
10605 gameMode == BeginningOfGame)) {
10606 SendToProgram("force\n", &first);
10607 if (first.usePing) {
10609 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10610 SendToProgram(buf, &first);
10613 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10614 /* Kill off first chess program */
10615 if (first.isr != NULL)
10616 RemoveInputSource(first.isr);
10619 if (first.pr != NoProc) {
10621 DoSleep( appData.delayBeforeQuit );
10622 SendToProgram("quit\n", &first);
10623 DoSleep( appData.delayAfterQuit );
10624 DestroyChildProcess(first.pr, first.useSigterm);
10628 if (second.reuse) {
10629 /* Put second chess program into idle state */
10630 if (second.pr != NoProc &&
10631 gameMode == TwoMachinesPlay) {
10632 SendToProgram("force\n", &second);
10633 if (second.usePing) {
10635 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10636 SendToProgram(buf, &second);
10639 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10640 /* Kill off second chess program */
10641 if (second.isr != NULL)
10642 RemoveInputSource(second.isr);
10645 if (second.pr != NoProc) {
10646 DoSleep( appData.delayBeforeQuit );
10647 SendToProgram("quit\n", &second);
10648 DoSleep( appData.delayAfterQuit );
10649 DestroyChildProcess(second.pr, second.useSigterm);
10651 second.pr = NoProc;
10654 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10655 char resChar = '=';
10659 if (first.twoMachinesColor[0] == 'w') {
10662 second.matchWins++;
10667 if (first.twoMachinesColor[0] == 'b') {
10670 second.matchWins++;
10673 case GameUnfinished:
10679 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10680 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10681 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10682 ReserveGame(nextGame, resChar); // sets nextGame
10683 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10684 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10685 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10687 if (nextGame <= appData.matchGames && !abortMatch) {
10688 gameMode = nextGameMode;
10689 matchGame = nextGame; // this will be overruled in tourney mode!
10690 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10691 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10692 endingGame = 0; /* [HGM] crash */
10695 gameMode = nextGameMode;
10696 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10697 first.tidy, second.tidy,
10698 first.matchWins, second.matchWins,
10699 appData.matchGames - (first.matchWins + second.matchWins));
10700 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10701 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10702 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10703 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10704 first.twoMachinesColor = "black\n";
10705 second.twoMachinesColor = "white\n";
10707 first.twoMachinesColor = "white\n";
10708 second.twoMachinesColor = "black\n";
10712 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10713 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10715 gameMode = nextGameMode;
10717 endingGame = 0; /* [HGM] crash */
10718 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10719 if(matchMode == TRUE) { // match through command line: exit with or without popup
10721 ToNrEvent(forwardMostMove);
10722 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10724 } else DisplayFatalError(buf, 0, 0);
10725 } else { // match through menu; just stop, with or without popup
10726 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10729 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10730 } else DisplayNote(buf);
10732 if(ranking) free(ranking);
10736 /* Assumes program was just initialized (initString sent).
10737 Leaves program in force mode. */
10739 FeedMovesToProgram (ChessProgramState *cps, int upto)
10743 if (appData.debugMode)
10744 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10745 startedFromSetupPosition ? "position and " : "",
10746 backwardMostMove, upto, cps->which);
10747 if(currentlyInitializedVariant != gameInfo.variant) {
10749 // [HGM] variantswitch: make engine aware of new variant
10750 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10751 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10752 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10753 SendToProgram(buf, cps);
10754 currentlyInitializedVariant = gameInfo.variant;
10756 SendToProgram("force\n", cps);
10757 if (startedFromSetupPosition) {
10758 SendBoard(cps, backwardMostMove);
10759 if (appData.debugMode) {
10760 fprintf(debugFP, "feedMoves\n");
10763 for (i = backwardMostMove; i < upto; i++) {
10764 SendMoveToProgram(i, cps);
10770 ResurrectChessProgram ()
10772 /* The chess program may have exited.
10773 If so, restart it and feed it all the moves made so far. */
10774 static int doInit = 0;
10776 if (appData.noChessProgram) return 1;
10778 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10779 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10780 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10781 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10783 if (first.pr != NoProc) return 1;
10784 StartChessProgram(&first);
10786 InitChessProgram(&first, FALSE);
10787 FeedMovesToProgram(&first, currentMove);
10789 if (!first.sendTime) {
10790 /* can't tell gnuchess what its clock should read,
10791 so we bow to its notion. */
10793 timeRemaining[0][currentMove] = whiteTimeRemaining;
10794 timeRemaining[1][currentMove] = blackTimeRemaining;
10797 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10798 appData.icsEngineAnalyze) && first.analysisSupport) {
10799 SendToProgram("analyze\n", &first);
10800 first.analyzing = TRUE;
10806 * Button procedures
10809 Reset (int redraw, int init)
10813 if (appData.debugMode) {
10814 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10815 redraw, init, gameMode);
10817 CleanupTail(); // [HGM] vari: delete any stored variations
10818 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10819 pausing = pauseExamInvalid = FALSE;
10820 startedFromSetupPosition = blackPlaysFirst = FALSE;
10822 whiteFlag = blackFlag = FALSE;
10823 userOfferedDraw = FALSE;
10824 hintRequested = bookRequested = FALSE;
10825 first.maybeThinking = FALSE;
10826 second.maybeThinking = FALSE;
10827 first.bookSuspend = FALSE; // [HGM] book
10828 second.bookSuspend = FALSE;
10829 thinkOutput[0] = NULLCHAR;
10830 lastHint[0] = NULLCHAR;
10831 ClearGameInfo(&gameInfo);
10832 gameInfo.variant = StringToVariant(appData.variant);
10833 ics_user_moved = ics_clock_paused = FALSE;
10834 ics_getting_history = H_FALSE;
10836 white_holding[0] = black_holding[0] = NULLCHAR;
10837 ClearProgramStats();
10838 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10842 flipView = appData.flipView;
10843 ClearPremoveHighlights();
10844 gotPremove = FALSE;
10845 alarmSounded = FALSE;
10847 GameEnds(EndOfFile, NULL, GE_PLAYER);
10848 if(appData.serverMovesName != NULL) {
10849 /* [HGM] prepare to make moves file for broadcasting */
10850 clock_t t = clock();
10851 if(serverMoves != NULL) fclose(serverMoves);
10852 serverMoves = fopen(appData.serverMovesName, "r");
10853 if(serverMoves != NULL) {
10854 fclose(serverMoves);
10855 /* delay 15 sec before overwriting, so all clients can see end */
10856 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10858 serverMoves = fopen(appData.serverMovesName, "w");
10862 gameMode = BeginningOfGame;
10864 if(appData.icsActive) gameInfo.variant = VariantNormal;
10865 currentMove = forwardMostMove = backwardMostMove = 0;
10866 MarkTargetSquares(1);
10867 InitPosition(redraw);
10868 for (i = 0; i < MAX_MOVES; i++) {
10869 if (commentList[i] != NULL) {
10870 free(commentList[i]);
10871 commentList[i] = NULL;
10875 timeRemaining[0][0] = whiteTimeRemaining;
10876 timeRemaining[1][0] = blackTimeRemaining;
10878 if (first.pr == NoProc) {
10879 StartChessProgram(&first);
10882 InitChessProgram(&first, startedFromSetupPosition);
10885 DisplayMessage("", "");
10886 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10887 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10888 ClearMap(); // [HGM] exclude: invalidate map
10892 AutoPlayGameLoop ()
10895 if (!AutoPlayOneMove())
10897 if (matchMode || appData.timeDelay == 0)
10899 if (appData.timeDelay < 0)
10901 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10910 int fromX, fromY, toX, toY;
10912 if (appData.debugMode) {
10913 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10916 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10919 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10920 pvInfoList[currentMove].depth = programStats.depth;
10921 pvInfoList[currentMove].score = programStats.score;
10922 pvInfoList[currentMove].time = 0;
10923 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10926 if (currentMove >= forwardMostMove) {
10927 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10928 // gameMode = EndOfGame;
10929 // ModeHighlight();
10931 /* [AS] Clear current move marker at the end of a game */
10932 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10937 toX = moveList[currentMove][2] - AAA;
10938 toY = moveList[currentMove][3] - ONE;
10940 if (moveList[currentMove][1] == '@') {
10941 if (appData.highlightLastMove) {
10942 SetHighlights(-1, -1, toX, toY);
10945 fromX = moveList[currentMove][0] - AAA;
10946 fromY = moveList[currentMove][1] - ONE;
10948 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10950 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10952 if (appData.highlightLastMove) {
10953 SetHighlights(fromX, fromY, toX, toY);
10956 DisplayMove(currentMove);
10957 SendMoveToProgram(currentMove++, &first);
10958 DisplayBothClocks();
10959 DrawPosition(FALSE, boards[currentMove]);
10960 // [HGM] PV info: always display, routine tests if empty
10961 DisplayComment(currentMove - 1, commentList[currentMove]);
10967 LoadGameOneMove (ChessMove readAhead)
10969 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10970 char promoChar = NULLCHAR;
10971 ChessMove moveType;
10972 char move[MSG_SIZ];
10975 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10976 gameMode != AnalyzeMode && gameMode != Training) {
10981 yyboardindex = forwardMostMove;
10982 if (readAhead != EndOfFile) {
10983 moveType = readAhead;
10985 if (gameFileFP == NULL)
10987 moveType = (ChessMove) Myylex();
10991 switch (moveType) {
10993 if (appData.debugMode)
10994 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10997 /* append the comment but don't display it */
10998 AppendComment(currentMove, p, FALSE);
11001 case WhiteCapturesEnPassant:
11002 case BlackCapturesEnPassant:
11003 case WhitePromotion:
11004 case BlackPromotion:
11005 case WhiteNonPromotion:
11006 case BlackNonPromotion:
11008 case WhiteKingSideCastle:
11009 case WhiteQueenSideCastle:
11010 case BlackKingSideCastle:
11011 case BlackQueenSideCastle:
11012 case WhiteKingSideCastleWild:
11013 case WhiteQueenSideCastleWild:
11014 case BlackKingSideCastleWild:
11015 case BlackQueenSideCastleWild:
11017 case WhiteHSideCastleFR:
11018 case WhiteASideCastleFR:
11019 case BlackHSideCastleFR:
11020 case BlackASideCastleFR:
11022 if (appData.debugMode)
11023 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11024 fromX = currentMoveString[0] - AAA;
11025 fromY = currentMoveString[1] - ONE;
11026 toX = currentMoveString[2] - AAA;
11027 toY = currentMoveString[3] - ONE;
11028 promoChar = currentMoveString[4];
11033 if (appData.debugMode)
11034 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11035 fromX = moveType == WhiteDrop ?
11036 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11037 (int) CharToPiece(ToLower(currentMoveString[0]));
11039 toX = currentMoveString[2] - AAA;
11040 toY = currentMoveString[3] - ONE;
11046 case GameUnfinished:
11047 if (appData.debugMode)
11048 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11049 p = strchr(yy_text, '{');
11050 if (p == NULL) p = strchr(yy_text, '(');
11053 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11055 q = strchr(p, *p == '{' ? '}' : ')');
11056 if (q != NULL) *q = NULLCHAR;
11059 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11060 GameEnds(moveType, p, GE_FILE);
11062 if (cmailMsgLoaded) {
11064 flipView = WhiteOnMove(currentMove);
11065 if (moveType == GameUnfinished) flipView = !flipView;
11066 if (appData.debugMode)
11067 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11072 if (appData.debugMode)
11073 fprintf(debugFP, "Parser hit end of file\n");
11074 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11080 if (WhiteOnMove(currentMove)) {
11081 GameEnds(BlackWins, "Black mates", GE_FILE);
11083 GameEnds(WhiteWins, "White mates", GE_FILE);
11087 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11093 case MoveNumberOne:
11094 if (lastLoadGameStart == GNUChessGame) {
11095 /* GNUChessGames have numbers, but they aren't move numbers */
11096 if (appData.debugMode)
11097 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11098 yy_text, (int) moveType);
11099 return LoadGameOneMove(EndOfFile); /* tail recursion */
11101 /* else fall thru */
11106 /* Reached start of next game in file */
11107 if (appData.debugMode)
11108 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11109 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11115 if (WhiteOnMove(currentMove)) {
11116 GameEnds(BlackWins, "Black mates", GE_FILE);
11118 GameEnds(WhiteWins, "White mates", GE_FILE);
11122 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11128 case PositionDiagram: /* should not happen; ignore */
11129 case ElapsedTime: /* ignore */
11130 case NAG: /* ignore */
11131 if (appData.debugMode)
11132 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11133 yy_text, (int) moveType);
11134 return LoadGameOneMove(EndOfFile); /* tail recursion */
11137 if (appData.testLegality) {
11138 if (appData.debugMode)
11139 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11140 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11141 (forwardMostMove / 2) + 1,
11142 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11143 DisplayError(move, 0);
11146 if (appData.debugMode)
11147 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11148 yy_text, currentMoveString);
11149 fromX = currentMoveString[0] - AAA;
11150 fromY = currentMoveString[1] - ONE;
11151 toX = currentMoveString[2] - AAA;
11152 toY = currentMoveString[3] - ONE;
11153 promoChar = currentMoveString[4];
11157 case AmbiguousMove:
11158 if (appData.debugMode)
11159 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11160 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11161 (forwardMostMove / 2) + 1,
11162 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11163 DisplayError(move, 0);
11168 case ImpossibleMove:
11169 if (appData.debugMode)
11170 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11171 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11172 (forwardMostMove / 2) + 1,
11173 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11174 DisplayError(move, 0);
11180 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11181 DrawPosition(FALSE, boards[currentMove]);
11182 DisplayBothClocks();
11183 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11184 DisplayComment(currentMove - 1, commentList[currentMove]);
11186 (void) StopLoadGameTimer();
11188 cmailOldMove = forwardMostMove;
11191 /* currentMoveString is set as a side-effect of yylex */
11193 thinkOutput[0] = NULLCHAR;
11194 MakeMove(fromX, fromY, toX, toY, promoChar);
11195 currentMove = forwardMostMove;
11200 /* Load the nth game from the given file */
11202 LoadGameFromFile (char *filename, int n, char *title, int useList)
11207 if (strcmp(filename, "-") == 0) {
11211 f = fopen(filename, "rb");
11213 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11214 DisplayError(buf, errno);
11218 if (fseek(f, 0, 0) == -1) {
11219 /* f is not seekable; probably a pipe */
11222 if (useList && n == 0) {
11223 int error = GameListBuild(f);
11225 DisplayError(_("Cannot build game list"), error);
11226 } else if (!ListEmpty(&gameList) &&
11227 ((ListGame *) gameList.tailPred)->number > 1) {
11228 GameListPopUp(f, title);
11235 return LoadGame(f, n, title, FALSE);
11240 MakeRegisteredMove ()
11242 int fromX, fromY, toX, toY;
11244 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11245 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11248 if (appData.debugMode)
11249 fprintf(debugFP, "Restoring %s for game %d\n",
11250 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11252 thinkOutput[0] = NULLCHAR;
11253 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11254 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11255 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11256 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11257 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11258 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11259 MakeMove(fromX, fromY, toX, toY, promoChar);
11260 ShowMove(fromX, fromY, toX, toY);
11262 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11269 if (WhiteOnMove(currentMove)) {
11270 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11272 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11277 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11284 if (WhiteOnMove(currentMove)) {
11285 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11287 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11292 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11303 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11305 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11309 if (gameNumber > nCmailGames) {
11310 DisplayError(_("No more games in this message"), 0);
11313 if (f == lastLoadGameFP) {
11314 int offset = gameNumber - lastLoadGameNumber;
11316 cmailMsg[0] = NULLCHAR;
11317 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11318 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11319 nCmailMovesRegistered--;
11321 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11322 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11323 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11326 if (! RegisterMove()) return FALSE;
11330 retVal = LoadGame(f, gameNumber, title, useList);
11332 /* Make move registered during previous look at this game, if any */
11333 MakeRegisteredMove();
11335 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11336 commentList[currentMove]
11337 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11338 DisplayComment(currentMove - 1, commentList[currentMove]);
11344 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11346 ReloadGame (int offset)
11348 int gameNumber = lastLoadGameNumber + offset;
11349 if (lastLoadGameFP == NULL) {
11350 DisplayError(_("No game has been loaded yet"), 0);
11353 if (gameNumber <= 0) {
11354 DisplayError(_("Can't back up any further"), 0);
11357 if (cmailMsgLoaded) {
11358 return CmailLoadGame(lastLoadGameFP, gameNumber,
11359 lastLoadGameTitle, lastLoadGameUseList);
11361 return LoadGame(lastLoadGameFP, gameNumber,
11362 lastLoadGameTitle, lastLoadGameUseList);
11366 int keys[EmptySquare+1];
11369 PositionMatches (Board b1, Board b2)
11372 switch(appData.searchMode) {
11373 case 1: return CompareWithRights(b1, b2);
11375 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11376 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11380 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11381 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11382 sum += keys[b1[r][f]] - keys[b2[r][f]];
11386 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11387 sum += keys[b1[r][f]] - keys[b2[r][f]];
11399 int pieceList[256], quickBoard[256];
11400 ChessSquare pieceType[256] = { EmptySquare };
11401 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11402 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11403 int soughtTotal, turn;
11404 Boolean epOK, flipSearch;
11407 unsigned char piece, to;
11410 #define DSIZE (250000)
11412 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11413 Move *moveDatabase = initialSpace;
11414 unsigned int movePtr, dataSize = DSIZE;
11417 MakePieceList (Board board, int *counts)
11419 int r, f, n=Q_PROMO, total=0;
11420 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11421 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11422 int sq = f + (r<<4);
11423 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11424 quickBoard[sq] = ++n;
11426 pieceType[n] = board[r][f];
11427 counts[board[r][f]]++;
11428 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11429 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11433 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11438 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11440 int sq = fromX + (fromY<<4);
11441 int piece = quickBoard[sq];
11442 quickBoard[sq] = 0;
11443 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11444 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11445 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11446 moveDatabase[movePtr++].piece = Q_WCASTL;
11447 quickBoard[sq] = piece;
11448 piece = quickBoard[from]; quickBoard[from] = 0;
11449 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11451 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11452 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11453 moveDatabase[movePtr++].piece = Q_BCASTL;
11454 quickBoard[sq] = piece;
11455 piece = quickBoard[from]; quickBoard[from] = 0;
11456 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11458 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11459 quickBoard[(fromY<<4)+toX] = 0;
11460 moveDatabase[movePtr].piece = Q_EP;
11461 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11462 moveDatabase[movePtr].to = sq;
11464 if(promoPiece != pieceType[piece]) {
11465 moveDatabase[movePtr++].piece = Q_PROMO;
11466 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11468 moveDatabase[movePtr].piece = piece;
11469 quickBoard[sq] = piece;
11474 PackGame (Board board)
11476 Move *newSpace = NULL;
11477 moveDatabase[movePtr].piece = 0; // terminate previous game
11478 if(movePtr > dataSize) {
11479 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11480 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11481 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11484 Move *p = moveDatabase, *q = newSpace;
11485 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11486 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11487 moveDatabase = newSpace;
11488 } else { // calloc failed, we must be out of memory. Too bad...
11489 dataSize = 0; // prevent calloc events for all subsequent games
11490 return 0; // and signal this one isn't cached
11494 MakePieceList(board, counts);
11499 QuickCompare (Board board, int *minCounts, int *maxCounts)
11500 { // compare according to search mode
11502 switch(appData.searchMode)
11504 case 1: // exact position match
11505 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11506 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11507 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11510 case 2: // can have extra material on empty squares
11511 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11512 if(board[r][f] == EmptySquare) continue;
11513 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11516 case 3: // material with exact Pawn structure
11517 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11518 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11519 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11520 } // fall through to material comparison
11521 case 4: // exact material
11522 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11524 case 6: // material range with given imbalance
11525 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11526 // fall through to range comparison
11527 case 5: // material range
11528 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11534 QuickScan (Board board, Move *move)
11535 { // reconstruct game,and compare all positions in it
11536 int cnt=0, stretch=0, total = MakePieceList(board, counts), delayedKing = -1;
11538 int piece = move->piece;
11539 int to = move->to, from = pieceList[piece];
11540 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11541 if(!piece) return -1;
11542 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11543 piece = (++move)->piece;
11544 from = pieceList[piece];
11545 counts[pieceType[piece]]--;
11546 pieceType[piece] = (ChessSquare) move->to;
11547 counts[move->to]++;
11548 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11549 counts[pieceType[quickBoard[to]]]--;
11550 quickBoard[to] = 0; total--;
11553 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11555 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11556 from = pieceList[piece]; // so this must be King
11557 quickBoard[from] = 0;
11558 pieceList[piece] = to;
11559 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11560 quickBoard[from] = 0; // rook
11561 quickBoard[to] = piece;
11562 to = move->to; piece = move->piece;
11566 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11567 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11568 quickBoard[from] = 0;
11570 quickBoard[to] = piece;
11571 pieceList[piece] = to;
11573 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11574 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11575 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11576 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11578 static int lastCounts[EmptySquare+1];
11580 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11581 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11582 } else stretch = 0;
11583 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11584 move++; delayedKing = -1;
11592 flipSearch = FALSE;
11593 CopyBoard(soughtBoard, boards[currentMove]);
11594 soughtTotal = MakePieceList(soughtBoard, maxSought);
11595 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11596 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11597 CopyBoard(reverseBoard, boards[currentMove]);
11598 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11599 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11600 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11601 reverseBoard[r][f] = piece;
11603 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11604 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11605 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11606 || (boards[currentMove][CASTLING][2] == NoRights ||
11607 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11608 && (boards[currentMove][CASTLING][5] == NoRights ||
11609 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11612 CopyBoard(flipBoard, soughtBoard);
11613 CopyBoard(rotateBoard, reverseBoard);
11614 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11615 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11616 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11619 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11620 if(appData.searchMode >= 5) {
11621 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11622 MakePieceList(soughtBoard, minSought);
11623 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11625 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11626 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11629 GameInfo dummyInfo;
11632 GameContainsPosition (FILE *f, ListGame *lg)
11634 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11635 int fromX, fromY, toX, toY;
11637 static int initDone=FALSE;
11639 // weed out games based on numerical tag comparison
11640 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11641 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11642 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11643 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11645 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11648 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11649 else CopyBoard(boards[scratch], initialPosition); // default start position
11652 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11653 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11656 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11657 fseek(f, lg->offset, 0);
11660 yyboardindex = scratch;
11661 quickFlag = plyNr+1;
11666 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11672 if(plyNr) return -1; // after we have seen moves, this is for new game
11675 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11676 case ImpossibleMove:
11677 case WhiteWins: // game ends here with these four
11680 case GameUnfinished:
11684 if(appData.testLegality) return -1;
11685 case WhiteCapturesEnPassant:
11686 case BlackCapturesEnPassant:
11687 case WhitePromotion:
11688 case BlackPromotion:
11689 case WhiteNonPromotion:
11690 case BlackNonPromotion:
11692 case WhiteKingSideCastle:
11693 case WhiteQueenSideCastle:
11694 case BlackKingSideCastle:
11695 case BlackQueenSideCastle:
11696 case WhiteKingSideCastleWild:
11697 case WhiteQueenSideCastleWild:
11698 case BlackKingSideCastleWild:
11699 case BlackQueenSideCastleWild:
11700 case WhiteHSideCastleFR:
11701 case WhiteASideCastleFR:
11702 case BlackHSideCastleFR:
11703 case BlackASideCastleFR:
11704 fromX = currentMoveString[0] - AAA;
11705 fromY = currentMoveString[1] - ONE;
11706 toX = currentMoveString[2] - AAA;
11707 toY = currentMoveString[3] - ONE;
11708 promoChar = currentMoveString[4];
11712 fromX = next == WhiteDrop ?
11713 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11714 (int) CharToPiece(ToLower(currentMoveString[0]));
11716 toX = currentMoveString[2] - AAA;
11717 toY = currentMoveString[3] - ONE;
11721 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11723 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11724 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11725 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11726 if(appData.findMirror) {
11727 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11728 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11733 /* Load the nth game from open file f */
11735 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11739 int gn = gameNumber;
11740 ListGame *lg = NULL;
11741 int numPGNTags = 0;
11743 GameMode oldGameMode;
11744 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11746 if (appData.debugMode)
11747 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11749 if (gameMode == Training )
11750 SetTrainingModeOff();
11752 oldGameMode = gameMode;
11753 if (gameMode != BeginningOfGame) {
11754 Reset(FALSE, TRUE);
11758 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11759 fclose(lastLoadGameFP);
11763 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11766 fseek(f, lg->offset, 0);
11767 GameListHighlight(gameNumber);
11768 pos = lg->position;
11772 DisplayError(_("Game number out of range"), 0);
11777 if (fseek(f, 0, 0) == -1) {
11778 if (f == lastLoadGameFP ?
11779 gameNumber == lastLoadGameNumber + 1 :
11783 DisplayError(_("Can't seek on game file"), 0);
11788 lastLoadGameFP = f;
11789 lastLoadGameNumber = gameNumber;
11790 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11791 lastLoadGameUseList = useList;
11795 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11796 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11797 lg->gameInfo.black);
11799 } else if (*title != NULLCHAR) {
11800 if (gameNumber > 1) {
11801 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11804 DisplayTitle(title);
11808 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11809 gameMode = PlayFromGameFile;
11813 currentMove = forwardMostMove = backwardMostMove = 0;
11814 CopyBoard(boards[0], initialPosition);
11818 * Skip the first gn-1 games in the file.
11819 * Also skip over anything that precedes an identifiable
11820 * start of game marker, to avoid being confused by
11821 * garbage at the start of the file. Currently
11822 * recognized start of game markers are the move number "1",
11823 * the pattern "gnuchess .* game", the pattern
11824 * "^[#;%] [^ ]* game file", and a PGN tag block.
11825 * A game that starts with one of the latter two patterns
11826 * will also have a move number 1, possibly
11827 * following a position diagram.
11828 * 5-4-02: Let's try being more lenient and allowing a game to
11829 * start with an unnumbered move. Does that break anything?
11831 cm = lastLoadGameStart = EndOfFile;
11833 yyboardindex = forwardMostMove;
11834 cm = (ChessMove) Myylex();
11837 if (cmailMsgLoaded) {
11838 nCmailGames = CMAIL_MAX_GAMES - gn;
11841 DisplayError(_("Game not found in file"), 0);
11848 lastLoadGameStart = cm;
11851 case MoveNumberOne:
11852 switch (lastLoadGameStart) {
11857 case MoveNumberOne:
11859 gn--; /* count this game */
11860 lastLoadGameStart = cm;
11869 switch (lastLoadGameStart) {
11872 case MoveNumberOne:
11874 gn--; /* count this game */
11875 lastLoadGameStart = cm;
11878 lastLoadGameStart = cm; /* game counted already */
11886 yyboardindex = forwardMostMove;
11887 cm = (ChessMove) Myylex();
11888 } while (cm == PGNTag || cm == Comment);
11895 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11896 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11897 != CMAIL_OLD_RESULT) {
11899 cmailResult[ CMAIL_MAX_GAMES
11900 - gn - 1] = CMAIL_OLD_RESULT;
11906 /* Only a NormalMove can be at the start of a game
11907 * without a position diagram. */
11908 if (lastLoadGameStart == EndOfFile ) {
11910 lastLoadGameStart = MoveNumberOne;
11919 if (appData.debugMode)
11920 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11922 if (cm == XBoardGame) {
11923 /* Skip any header junk before position diagram and/or move 1 */
11925 yyboardindex = forwardMostMove;
11926 cm = (ChessMove) Myylex();
11928 if (cm == EndOfFile ||
11929 cm == GNUChessGame || cm == XBoardGame) {
11930 /* Empty game; pretend end-of-file and handle later */
11935 if (cm == MoveNumberOne || cm == PositionDiagram ||
11936 cm == PGNTag || cm == Comment)
11939 } else if (cm == GNUChessGame) {
11940 if (gameInfo.event != NULL) {
11941 free(gameInfo.event);
11943 gameInfo.event = StrSave(yy_text);
11946 startedFromSetupPosition = FALSE;
11947 while (cm == PGNTag) {
11948 if (appData.debugMode)
11949 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11950 err = ParsePGNTag(yy_text, &gameInfo);
11951 if (!err) numPGNTags++;
11953 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11954 if(gameInfo.variant != oldVariant) {
11955 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11956 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11957 InitPosition(TRUE);
11958 oldVariant = gameInfo.variant;
11959 if (appData.debugMode)
11960 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11964 if (gameInfo.fen != NULL) {
11965 Board initial_position;
11966 startedFromSetupPosition = TRUE;
11967 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11969 DisplayError(_("Bad FEN position in file"), 0);
11972 CopyBoard(boards[0], initial_position);
11973 if (blackPlaysFirst) {
11974 currentMove = forwardMostMove = backwardMostMove = 1;
11975 CopyBoard(boards[1], initial_position);
11976 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11977 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11978 timeRemaining[0][1] = whiteTimeRemaining;
11979 timeRemaining[1][1] = blackTimeRemaining;
11980 if (commentList[0] != NULL) {
11981 commentList[1] = commentList[0];
11982 commentList[0] = NULL;
11985 currentMove = forwardMostMove = backwardMostMove = 0;
11987 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11989 initialRulePlies = FENrulePlies;
11990 for( i=0; i< nrCastlingRights; i++ )
11991 initialRights[i] = initial_position[CASTLING][i];
11993 yyboardindex = forwardMostMove;
11994 free(gameInfo.fen);
11995 gameInfo.fen = NULL;
11998 yyboardindex = forwardMostMove;
11999 cm = (ChessMove) Myylex();
12001 /* Handle comments interspersed among the tags */
12002 while (cm == Comment) {
12004 if (appData.debugMode)
12005 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12007 AppendComment(currentMove, p, FALSE);
12008 yyboardindex = forwardMostMove;
12009 cm = (ChessMove) Myylex();
12013 /* don't rely on existence of Event tag since if game was
12014 * pasted from clipboard the Event tag may not exist
12016 if (numPGNTags > 0){
12018 if (gameInfo.variant == VariantNormal) {
12019 VariantClass v = StringToVariant(gameInfo.event);
12020 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12021 if(v < VariantShogi) gameInfo.variant = v;
12024 if( appData.autoDisplayTags ) {
12025 tags = PGNTags(&gameInfo);
12026 TagsPopUp(tags, CmailMsg());
12031 /* Make something up, but don't display it now */
12036 if (cm == PositionDiagram) {
12039 Board initial_position;
12041 if (appData.debugMode)
12042 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12044 if (!startedFromSetupPosition) {
12046 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12047 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12058 initial_position[i][j++] = CharToPiece(*p);
12061 while (*p == ' ' || *p == '\t' ||
12062 *p == '\n' || *p == '\r') p++;
12064 if (strncmp(p, "black", strlen("black"))==0)
12065 blackPlaysFirst = TRUE;
12067 blackPlaysFirst = FALSE;
12068 startedFromSetupPosition = TRUE;
12070 CopyBoard(boards[0], initial_position);
12071 if (blackPlaysFirst) {
12072 currentMove = forwardMostMove = backwardMostMove = 1;
12073 CopyBoard(boards[1], initial_position);
12074 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12075 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12076 timeRemaining[0][1] = whiteTimeRemaining;
12077 timeRemaining[1][1] = blackTimeRemaining;
12078 if (commentList[0] != NULL) {
12079 commentList[1] = commentList[0];
12080 commentList[0] = NULL;
12083 currentMove = forwardMostMove = backwardMostMove = 0;
12086 yyboardindex = forwardMostMove;
12087 cm = (ChessMove) Myylex();
12090 if (first.pr == NoProc) {
12091 StartChessProgram(&first);
12093 InitChessProgram(&first, FALSE);
12094 SendToProgram("force\n", &first);
12095 if (startedFromSetupPosition) {
12096 SendBoard(&first, forwardMostMove);
12097 if (appData.debugMode) {
12098 fprintf(debugFP, "Load Game\n");
12100 DisplayBothClocks();
12103 /* [HGM] server: flag to write setup moves in broadcast file as one */
12104 loadFlag = appData.suppressLoadMoves;
12106 while (cm == Comment) {
12108 if (appData.debugMode)
12109 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12111 AppendComment(currentMove, p, FALSE);
12112 yyboardindex = forwardMostMove;
12113 cm = (ChessMove) Myylex();
12116 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12117 cm == WhiteWins || cm == BlackWins ||
12118 cm == GameIsDrawn || cm == GameUnfinished) {
12119 DisplayMessage("", _("No moves in game"));
12120 if (cmailMsgLoaded) {
12121 if (appData.debugMode)
12122 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12126 DrawPosition(FALSE, boards[currentMove]);
12127 DisplayBothClocks();
12128 gameMode = EditGame;
12135 // [HGM] PV info: routine tests if comment empty
12136 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12137 DisplayComment(currentMove - 1, commentList[currentMove]);
12139 if (!matchMode && appData.timeDelay != 0)
12140 DrawPosition(FALSE, boards[currentMove]);
12142 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12143 programStats.ok_to_send = 1;
12146 /* if the first token after the PGN tags is a move
12147 * and not move number 1, retrieve it from the parser
12149 if (cm != MoveNumberOne)
12150 LoadGameOneMove(cm);
12152 /* load the remaining moves from the file */
12153 while (LoadGameOneMove(EndOfFile)) {
12154 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12155 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12158 /* rewind to the start of the game */
12159 currentMove = backwardMostMove;
12161 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12163 if (oldGameMode == AnalyzeFile ||
12164 oldGameMode == AnalyzeMode) {
12165 AnalyzeFileEvent();
12168 if (!matchMode && pos > 0) {
12169 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12171 if (matchMode || appData.timeDelay == 0) {
12173 } else if (appData.timeDelay > 0) {
12174 AutoPlayGameLoop();
12177 if (appData.debugMode)
12178 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12180 loadFlag = 0; /* [HGM] true game starts */
12184 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12186 ReloadPosition (int offset)
12188 int positionNumber = lastLoadPositionNumber + offset;
12189 if (lastLoadPositionFP == NULL) {
12190 DisplayError(_("No position has been loaded yet"), 0);
12193 if (positionNumber <= 0) {
12194 DisplayError(_("Can't back up any further"), 0);
12197 return LoadPosition(lastLoadPositionFP, positionNumber,
12198 lastLoadPositionTitle);
12201 /* Load the nth position from the given file */
12203 LoadPositionFromFile (char *filename, int n, char *title)
12208 if (strcmp(filename, "-") == 0) {
12209 return LoadPosition(stdin, n, "stdin");
12211 f = fopen(filename, "rb");
12213 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12214 DisplayError(buf, errno);
12217 return LoadPosition(f, n, title);
12222 /* Load the nth position from the given open file, and close it */
12224 LoadPosition (FILE *f, int positionNumber, char *title)
12226 char *p, line[MSG_SIZ];
12227 Board initial_position;
12228 int i, j, fenMode, pn;
12230 if (gameMode == Training )
12231 SetTrainingModeOff();
12233 if (gameMode != BeginningOfGame) {
12234 Reset(FALSE, TRUE);
12236 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12237 fclose(lastLoadPositionFP);
12239 if (positionNumber == 0) positionNumber = 1;
12240 lastLoadPositionFP = f;
12241 lastLoadPositionNumber = positionNumber;
12242 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12243 if (first.pr == NoProc && !appData.noChessProgram) {
12244 StartChessProgram(&first);
12245 InitChessProgram(&first, FALSE);
12247 pn = positionNumber;
12248 if (positionNumber < 0) {
12249 /* Negative position number means to seek to that byte offset */
12250 if (fseek(f, -positionNumber, 0) == -1) {
12251 DisplayError(_("Can't seek on position file"), 0);
12256 if (fseek(f, 0, 0) == -1) {
12257 if (f == lastLoadPositionFP ?
12258 positionNumber == lastLoadPositionNumber + 1 :
12259 positionNumber == 1) {
12262 DisplayError(_("Can't seek on position file"), 0);
12267 /* See if this file is FEN or old-style xboard */
12268 if (fgets(line, MSG_SIZ, f) == NULL) {
12269 DisplayError(_("Position not found in file"), 0);
12272 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12273 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12276 if (fenMode || line[0] == '#') pn--;
12278 /* skip positions before number pn */
12279 if (fgets(line, MSG_SIZ, f) == NULL) {
12281 DisplayError(_("Position not found in file"), 0);
12284 if (fenMode || line[0] == '#') pn--;
12289 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12290 DisplayError(_("Bad FEN position in file"), 0);
12294 (void) fgets(line, MSG_SIZ, f);
12295 (void) fgets(line, MSG_SIZ, f);
12297 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12298 (void) fgets(line, MSG_SIZ, f);
12299 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12302 initial_position[i][j++] = CharToPiece(*p);
12306 blackPlaysFirst = FALSE;
12308 (void) fgets(line, MSG_SIZ, f);
12309 if (strncmp(line, "black", strlen("black"))==0)
12310 blackPlaysFirst = TRUE;
12313 startedFromSetupPosition = TRUE;
12315 CopyBoard(boards[0], initial_position);
12316 if (blackPlaysFirst) {
12317 currentMove = forwardMostMove = backwardMostMove = 1;
12318 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12319 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12320 CopyBoard(boards[1], initial_position);
12321 DisplayMessage("", _("Black to play"));
12323 currentMove = forwardMostMove = backwardMostMove = 0;
12324 DisplayMessage("", _("White to play"));
12326 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12327 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12328 SendToProgram("force\n", &first);
12329 SendBoard(&first, forwardMostMove);
12331 if (appData.debugMode) {
12333 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12334 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12335 fprintf(debugFP, "Load Position\n");
12338 if (positionNumber > 1) {
12339 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12340 DisplayTitle(line);
12342 DisplayTitle(title);
12344 gameMode = EditGame;
12347 timeRemaining[0][1] = whiteTimeRemaining;
12348 timeRemaining[1][1] = blackTimeRemaining;
12349 DrawPosition(FALSE, boards[currentMove]);
12356 CopyPlayerNameIntoFileName (char **dest, char *src)
12358 while (*src != NULLCHAR && *src != ',') {
12363 *(*dest)++ = *src++;
12369 DefaultFileName (char *ext)
12371 static char def[MSG_SIZ];
12374 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12376 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12378 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12380 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12387 /* Save the current game to the given file */
12389 SaveGameToFile (char *filename, int append)
12393 int result, i, t,tot=0;
12395 if (strcmp(filename, "-") == 0) {
12396 return SaveGame(stdout, 0, NULL);
12398 for(i=0; i<10; i++) { // upto 10 tries
12399 f = fopen(filename, append ? "a" : "w");
12400 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12401 if(f || errno != 13) break;
12402 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12406 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12407 DisplayError(buf, errno);
12410 safeStrCpy(buf, lastMsg, MSG_SIZ);
12411 DisplayMessage(_("Waiting for access to save file"), "");
12412 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12413 DisplayMessage(_("Saving game"), "");
12414 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12415 result = SaveGame(f, 0, NULL);
12416 DisplayMessage(buf, "");
12423 SavePart (char *str)
12425 static char buf[MSG_SIZ];
12428 p = strchr(str, ' ');
12429 if (p == NULL) return str;
12430 strncpy(buf, str, p - str);
12431 buf[p - str] = NULLCHAR;
12435 #define PGN_MAX_LINE 75
12437 #define PGN_SIDE_WHITE 0
12438 #define PGN_SIDE_BLACK 1
12441 FindFirstMoveOutOfBook (int side)
12445 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12446 int index = backwardMostMove;
12447 int has_book_hit = 0;
12449 if( (index % 2) != side ) {
12453 while( index < forwardMostMove ) {
12454 /* Check to see if engine is in book */
12455 int depth = pvInfoList[index].depth;
12456 int score = pvInfoList[index].score;
12462 else if( score == 0 && depth == 63 ) {
12463 in_book = 1; /* Zappa */
12465 else if( score == 2 && depth == 99 ) {
12466 in_book = 1; /* Abrok */
12469 has_book_hit += in_book;
12485 GetOutOfBookInfo (char * buf)
12489 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12491 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12492 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12496 if( oob[0] >= 0 || oob[1] >= 0 ) {
12497 for( i=0; i<2; i++ ) {
12501 if( i > 0 && oob[0] >= 0 ) {
12502 strcat( buf, " " );
12505 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12506 sprintf( buf+strlen(buf), "%s%.2f",
12507 pvInfoList[idx].score >= 0 ? "+" : "",
12508 pvInfoList[idx].score / 100.0 );
12514 /* Save game in PGN style and close the file */
12516 SaveGamePGN (FILE *f)
12518 int i, offset, linelen, newblock;
12522 int movelen, numlen, blank;
12523 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12525 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12527 tm = time((time_t *) NULL);
12529 PrintPGNTags(f, &gameInfo);
12531 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12533 if (backwardMostMove > 0 || startedFromSetupPosition) {
12534 char *fen = PositionToFEN(backwardMostMove, NULL);
12535 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12536 fprintf(f, "\n{--------------\n");
12537 PrintPosition(f, backwardMostMove);
12538 fprintf(f, "--------------}\n");
12542 /* [AS] Out of book annotation */
12543 if( appData.saveOutOfBookInfo ) {
12546 GetOutOfBookInfo( buf );
12548 if( buf[0] != '\0' ) {
12549 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12556 i = backwardMostMove;
12560 while (i < forwardMostMove) {
12561 /* Print comments preceding this move */
12562 if (commentList[i] != NULL) {
12563 if (linelen > 0) fprintf(f, "\n");
12564 fprintf(f, "%s", commentList[i]);
12569 /* Format move number */
12571 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12574 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12576 numtext[0] = NULLCHAR;
12578 numlen = strlen(numtext);
12581 /* Print move number */
12582 blank = linelen > 0 && numlen > 0;
12583 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12592 fprintf(f, "%s", numtext);
12596 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12597 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12600 blank = linelen > 0 && movelen > 0;
12601 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12610 fprintf(f, "%s", move_buffer);
12611 linelen += movelen;
12613 /* [AS] Add PV info if present */
12614 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12615 /* [HGM] add time */
12616 char buf[MSG_SIZ]; int seconds;
12618 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12624 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12627 seconds = (seconds + 4)/10; // round to full seconds
12629 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12631 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12634 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12635 pvInfoList[i].score >= 0 ? "+" : "",
12636 pvInfoList[i].score / 100.0,
12637 pvInfoList[i].depth,
12640 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12642 /* Print score/depth */
12643 blank = linelen > 0 && movelen > 0;
12644 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12653 fprintf(f, "%s", move_buffer);
12654 linelen += movelen;
12660 /* Start a new line */
12661 if (linelen > 0) fprintf(f, "\n");
12663 /* Print comments after last move */
12664 if (commentList[i] != NULL) {
12665 fprintf(f, "%s\n", commentList[i]);
12669 if (gameInfo.resultDetails != NULL &&
12670 gameInfo.resultDetails[0] != NULLCHAR) {
12671 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12672 PGNResult(gameInfo.result));
12674 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12678 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12682 /* Save game in old style and close the file */
12684 SaveGameOldStyle (FILE *f)
12689 tm = time((time_t *) NULL);
12691 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12694 if (backwardMostMove > 0 || startedFromSetupPosition) {
12695 fprintf(f, "\n[--------------\n");
12696 PrintPosition(f, backwardMostMove);
12697 fprintf(f, "--------------]\n");
12702 i = backwardMostMove;
12703 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12705 while (i < forwardMostMove) {
12706 if (commentList[i] != NULL) {
12707 fprintf(f, "[%s]\n", commentList[i]);
12710 if ((i % 2) == 1) {
12711 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12714 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12716 if (commentList[i] != NULL) {
12720 if (i >= forwardMostMove) {
12724 fprintf(f, "%s\n", parseList[i]);
12729 if (commentList[i] != NULL) {
12730 fprintf(f, "[%s]\n", commentList[i]);
12733 /* This isn't really the old style, but it's close enough */
12734 if (gameInfo.resultDetails != NULL &&
12735 gameInfo.resultDetails[0] != NULLCHAR) {
12736 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12737 gameInfo.resultDetails);
12739 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12746 /* Save the current game to open file f and close the file */
12748 SaveGame (FILE *f, int dummy, char *dummy2)
12750 if (gameMode == EditPosition) EditPositionDone(TRUE);
12751 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12752 if (appData.oldSaveStyle)
12753 return SaveGameOldStyle(f);
12755 return SaveGamePGN(f);
12758 /* Save the current position to the given file */
12760 SavePositionToFile (char *filename)
12765 if (strcmp(filename, "-") == 0) {
12766 return SavePosition(stdout, 0, NULL);
12768 f = fopen(filename, "a");
12770 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12771 DisplayError(buf, errno);
12774 safeStrCpy(buf, lastMsg, MSG_SIZ);
12775 DisplayMessage(_("Waiting for access to save file"), "");
12776 flock(fileno(f), LOCK_EX); // [HGM] lock
12777 DisplayMessage(_("Saving position"), "");
12778 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12779 SavePosition(f, 0, NULL);
12780 DisplayMessage(buf, "");
12786 /* Save the current position to the given open file and close the file */
12788 SavePosition (FILE *f, int dummy, char *dummy2)
12793 if (gameMode == EditPosition) EditPositionDone(TRUE);
12794 if (appData.oldSaveStyle) {
12795 tm = time((time_t *) NULL);
12797 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12799 fprintf(f, "[--------------\n");
12800 PrintPosition(f, currentMove);
12801 fprintf(f, "--------------]\n");
12803 fen = PositionToFEN(currentMove, NULL);
12804 fprintf(f, "%s\n", fen);
12812 ReloadCmailMsgEvent (int unregister)
12815 static char *inFilename = NULL;
12816 static char *outFilename;
12818 struct stat inbuf, outbuf;
12821 /* Any registered moves are unregistered if unregister is set, */
12822 /* i.e. invoked by the signal handler */
12824 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12825 cmailMoveRegistered[i] = FALSE;
12826 if (cmailCommentList[i] != NULL) {
12827 free(cmailCommentList[i]);
12828 cmailCommentList[i] = NULL;
12831 nCmailMovesRegistered = 0;
12834 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12835 cmailResult[i] = CMAIL_NOT_RESULT;
12839 if (inFilename == NULL) {
12840 /* Because the filenames are static they only get malloced once */
12841 /* and they never get freed */
12842 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12843 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12845 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12846 sprintf(outFilename, "%s.out", appData.cmailGameName);
12849 status = stat(outFilename, &outbuf);
12851 cmailMailedMove = FALSE;
12853 status = stat(inFilename, &inbuf);
12854 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12857 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12858 counts the games, notes how each one terminated, etc.
12860 It would be nice to remove this kludge and instead gather all
12861 the information while building the game list. (And to keep it
12862 in the game list nodes instead of having a bunch of fixed-size
12863 parallel arrays.) Note this will require getting each game's
12864 termination from the PGN tags, as the game list builder does
12865 not process the game moves. --mann
12867 cmailMsgLoaded = TRUE;
12868 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12870 /* Load first game in the file or popup game menu */
12871 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12873 #endif /* !WIN32 */
12881 char string[MSG_SIZ];
12883 if ( cmailMailedMove
12884 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12885 return TRUE; /* Allow free viewing */
12888 /* Unregister move to ensure that we don't leave RegisterMove */
12889 /* with the move registered when the conditions for registering no */
12891 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12892 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12893 nCmailMovesRegistered --;
12895 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12897 free(cmailCommentList[lastLoadGameNumber - 1]);
12898 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12902 if (cmailOldMove == -1) {
12903 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12907 if (currentMove > cmailOldMove + 1) {
12908 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12912 if (currentMove < cmailOldMove) {
12913 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12917 if (forwardMostMove > currentMove) {
12918 /* Silently truncate extra moves */
12922 if ( (currentMove == cmailOldMove + 1)
12923 || ( (currentMove == cmailOldMove)
12924 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12925 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12926 if (gameInfo.result != GameUnfinished) {
12927 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12930 if (commentList[currentMove] != NULL) {
12931 cmailCommentList[lastLoadGameNumber - 1]
12932 = StrSave(commentList[currentMove]);
12934 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12936 if (appData.debugMode)
12937 fprintf(debugFP, "Saving %s for game %d\n",
12938 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12940 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12942 f = fopen(string, "w");
12943 if (appData.oldSaveStyle) {
12944 SaveGameOldStyle(f); /* also closes the file */
12946 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12947 f = fopen(string, "w");
12948 SavePosition(f, 0, NULL); /* also closes the file */
12950 fprintf(f, "{--------------\n");
12951 PrintPosition(f, currentMove);
12952 fprintf(f, "--------------}\n\n");
12954 SaveGame(f, 0, NULL); /* also closes the file*/
12957 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12958 nCmailMovesRegistered ++;
12959 } else if (nCmailGames == 1) {
12960 DisplayError(_("You have not made a move yet"), 0);
12971 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12972 FILE *commandOutput;
12973 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12974 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12980 if (! cmailMsgLoaded) {
12981 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12985 if (nCmailGames == nCmailResults) {
12986 DisplayError(_("No unfinished games"), 0);
12990 #if CMAIL_PROHIBIT_REMAIL
12991 if (cmailMailedMove) {
12992 snprintf(msg, MSG_SIZ, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
12993 DisplayError(msg, 0);
12998 if (! (cmailMailedMove || RegisterMove())) return;
13000 if ( cmailMailedMove
13001 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13002 snprintf(string, MSG_SIZ, partCommandString,
13003 appData.debugMode ? " -v" : "", appData.cmailGameName);
13004 commandOutput = popen(string, "r");
13006 if (commandOutput == NULL) {
13007 DisplayError(_("Failed to invoke cmail"), 0);
13009 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13010 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13012 if (nBuffers > 1) {
13013 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13014 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13015 nBytes = MSG_SIZ - 1;
13017 (void) memcpy(msg, buffer, nBytes);
13019 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13021 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13022 cmailMailedMove = TRUE; /* Prevent >1 moves */
13025 for (i = 0; i < nCmailGames; i ++) {
13026 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13031 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13033 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13035 appData.cmailGameName,
13037 LoadGameFromFile(buffer, 1, buffer, FALSE);
13038 cmailMsgLoaded = FALSE;
13042 DisplayInformation(msg);
13043 pclose(commandOutput);
13046 if ((*cmailMsg) != '\0') {
13047 DisplayInformation(cmailMsg);
13052 #endif /* !WIN32 */
13061 int prependComma = 0;
13063 char string[MSG_SIZ]; /* Space for game-list */
13066 if (!cmailMsgLoaded) return "";
13068 if (cmailMailedMove) {
13069 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13071 /* Create a list of games left */
13072 snprintf(string, MSG_SIZ, "[");
13073 for (i = 0; i < nCmailGames; i ++) {
13074 if (! ( cmailMoveRegistered[i]
13075 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13076 if (prependComma) {
13077 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13079 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13083 strcat(string, number);
13086 strcat(string, "]");
13088 if (nCmailMovesRegistered + nCmailResults == 0) {
13089 switch (nCmailGames) {
13091 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13095 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13099 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13104 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13106 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13111 if (nCmailResults == nCmailGames) {
13112 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13114 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13119 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13131 if (gameMode == Training)
13132 SetTrainingModeOff();
13135 cmailMsgLoaded = FALSE;
13136 if (appData.icsActive) {
13137 SendToICS(ics_prefix);
13138 SendToICS("refresh\n");
13143 ExitEvent (int status)
13147 /* Give up on clean exit */
13151 /* Keep trying for clean exit */
13155 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13157 if (telnetISR != NULL) {
13158 RemoveInputSource(telnetISR);
13160 if (icsPR != NoProc) {
13161 DestroyChildProcess(icsPR, TRUE);
13164 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13165 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13167 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13168 /* make sure this other one finishes before killing it! */
13169 if(endingGame) { int count = 0;
13170 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13171 while(endingGame && count++ < 10) DoSleep(1);
13172 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13175 /* Kill off chess programs */
13176 if (first.pr != NoProc) {
13179 DoSleep( appData.delayBeforeQuit );
13180 SendToProgram("quit\n", &first);
13181 DoSleep( appData.delayAfterQuit );
13182 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13184 if (second.pr != NoProc) {
13185 DoSleep( appData.delayBeforeQuit );
13186 SendToProgram("quit\n", &second);
13187 DoSleep( appData.delayAfterQuit );
13188 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13190 if (first.isr != NULL) {
13191 RemoveInputSource(first.isr);
13193 if (second.isr != NULL) {
13194 RemoveInputSource(second.isr);
13197 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13198 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13200 ShutDownFrontEnd();
13207 if (appData.debugMode)
13208 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13212 if (gameMode == MachinePlaysWhite ||
13213 gameMode == MachinePlaysBlack) {
13216 DisplayBothClocks();
13218 if (gameMode == PlayFromGameFile) {
13219 if (appData.timeDelay >= 0)
13220 AutoPlayGameLoop();
13221 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13222 Reset(FALSE, TRUE);
13223 SendToICS(ics_prefix);
13224 SendToICS("refresh\n");
13225 } else if (currentMove < forwardMostMove) {
13226 ForwardInner(forwardMostMove);
13228 pauseExamInvalid = FALSE;
13230 switch (gameMode) {
13234 pauseExamForwardMostMove = forwardMostMove;
13235 pauseExamInvalid = FALSE;
13238 case IcsPlayingWhite:
13239 case IcsPlayingBlack:
13243 case PlayFromGameFile:
13244 (void) StopLoadGameTimer();
13248 case BeginningOfGame:
13249 if (appData.icsActive) return;
13250 /* else fall through */
13251 case MachinePlaysWhite:
13252 case MachinePlaysBlack:
13253 case TwoMachinesPlay:
13254 if (forwardMostMove == 0)
13255 return; /* don't pause if no one has moved */
13256 if ((gameMode == MachinePlaysWhite &&
13257 !WhiteOnMove(forwardMostMove)) ||
13258 (gameMode == MachinePlaysBlack &&
13259 WhiteOnMove(forwardMostMove))) {
13270 EditCommentEvent ()
13272 char title[MSG_SIZ];
13274 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13275 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13277 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13278 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13279 parseList[currentMove - 1]);
13282 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13289 char *tags = PGNTags(&gameInfo);
13291 EditTagsPopUp(tags, NULL);
13296 AnalyzeModeEvent ()
13298 if (appData.noChessProgram || gameMode == AnalyzeMode)
13301 if (gameMode != AnalyzeFile) {
13302 if (!appData.icsEngineAnalyze) {
13304 if (gameMode != EditGame) return;
13306 ResurrectChessProgram();
13307 SendToProgram("analyze\n", &first);
13308 first.analyzing = TRUE;
13309 /*first.maybeThinking = TRUE;*/
13310 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13311 EngineOutputPopUp();
13313 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13318 StartAnalysisClock();
13319 GetTimeMark(&lastNodeCountTime);
13324 AnalyzeFileEvent ()
13326 if (appData.noChessProgram || gameMode == AnalyzeFile)
13329 if (gameMode != AnalyzeMode) {
13331 if (gameMode != EditGame) return;
13332 ResurrectChessProgram();
13333 SendToProgram("analyze\n", &first);
13334 first.analyzing = TRUE;
13335 /*first.maybeThinking = TRUE;*/
13336 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13337 EngineOutputPopUp();
13339 gameMode = AnalyzeFile;
13344 StartAnalysisClock();
13345 GetTimeMark(&lastNodeCountTime);
13347 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13351 MachineWhiteEvent ()
13354 char *bookHit = NULL;
13356 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13360 if (gameMode == PlayFromGameFile ||
13361 gameMode == TwoMachinesPlay ||
13362 gameMode == Training ||
13363 gameMode == AnalyzeMode ||
13364 gameMode == EndOfGame)
13367 if (gameMode == EditPosition)
13368 EditPositionDone(TRUE);
13370 if (!WhiteOnMove(currentMove)) {
13371 DisplayError(_("It is not White's turn"), 0);
13375 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13378 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13379 gameMode == AnalyzeFile)
13382 ResurrectChessProgram(); /* in case it isn't running */
13383 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13384 gameMode = MachinePlaysWhite;
13387 gameMode = MachinePlaysWhite;
13391 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13393 if (first.sendName) {
13394 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13395 SendToProgram(buf, &first);
13397 if (first.sendTime) {
13398 if (first.useColors) {
13399 SendToProgram("black\n", &first); /*gnu kludge*/
13401 SendTimeRemaining(&first, TRUE);
13403 if (first.useColors) {
13404 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13406 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13407 SetMachineThinkingEnables();
13408 first.maybeThinking = TRUE;
13412 if (appData.autoFlipView && !flipView) {
13413 flipView = !flipView;
13414 DrawPosition(FALSE, NULL);
13415 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13418 if(bookHit) { // [HGM] book: simulate book reply
13419 static char bookMove[MSG_SIZ]; // a bit generous?
13421 programStats.nodes = programStats.depth = programStats.time =
13422 programStats.score = programStats.got_only_move = 0;
13423 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13425 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13426 strcat(bookMove, bookHit);
13427 HandleMachineMove(bookMove, &first);
13432 MachineBlackEvent ()
13435 char *bookHit = NULL;
13437 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13441 if (gameMode == PlayFromGameFile ||
13442 gameMode == TwoMachinesPlay ||
13443 gameMode == Training ||
13444 gameMode == AnalyzeMode ||
13445 gameMode == EndOfGame)
13448 if (gameMode == EditPosition)
13449 EditPositionDone(TRUE);
13451 if (WhiteOnMove(currentMove)) {
13452 DisplayError(_("It is not Black's turn"), 0);
13456 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13459 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13460 gameMode == AnalyzeFile)
13463 ResurrectChessProgram(); /* in case it isn't running */
13464 gameMode = MachinePlaysBlack;
13468 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13470 if (first.sendName) {
13471 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13472 SendToProgram(buf, &first);
13474 if (first.sendTime) {
13475 if (first.useColors) {
13476 SendToProgram("white\n", &first); /*gnu kludge*/
13478 SendTimeRemaining(&first, FALSE);
13480 if (first.useColors) {
13481 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13483 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13484 SetMachineThinkingEnables();
13485 first.maybeThinking = TRUE;
13488 if (appData.autoFlipView && flipView) {
13489 flipView = !flipView;
13490 DrawPosition(FALSE, NULL);
13491 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13493 if(bookHit) { // [HGM] book: simulate book reply
13494 static char bookMove[MSG_SIZ]; // a bit generous?
13496 programStats.nodes = programStats.depth = programStats.time =
13497 programStats.score = programStats.got_only_move = 0;
13498 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13500 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13501 strcat(bookMove, bookHit);
13502 HandleMachineMove(bookMove, &first);
13508 DisplayTwoMachinesTitle ()
13511 if (appData.matchGames > 0) {
13512 if(appData.tourneyFile[0]) {
13513 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13514 gameInfo.white, _("vs."), gameInfo.black,
13515 nextGame+1, appData.matchGames+1,
13516 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13518 if (first.twoMachinesColor[0] == 'w') {
13519 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13520 gameInfo.white, _("vs."), gameInfo.black,
13521 first.matchWins, second.matchWins,
13522 matchGame - 1 - (first.matchWins + second.matchWins));
13524 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13525 gameInfo.white, _("vs."), gameInfo.black,
13526 second.matchWins, first.matchWins,
13527 matchGame - 1 - (first.matchWins + second.matchWins));
13530 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13536 SettingsMenuIfReady ()
13538 if (second.lastPing != second.lastPong) {
13539 DisplayMessage("", _("Waiting for second chess program"));
13540 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13544 DisplayMessage("", "");
13545 SettingsPopUp(&second);
13549 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13552 if (cps->pr == NoProc) {
13553 StartChessProgram(cps);
13554 if (cps->protocolVersion == 1) {
13557 /* kludge: allow timeout for initial "feature" command */
13559 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13560 DisplayMessage("", buf);
13561 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13569 TwoMachinesEvent P((void))
13573 ChessProgramState *onmove;
13574 char *bookHit = NULL;
13575 static int stalling = 0;
13579 if (appData.noChessProgram) return;
13581 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13582 DisplayError("second engine does not play this", 0);
13586 switch (gameMode) {
13587 case TwoMachinesPlay:
13589 case MachinePlaysWhite:
13590 case MachinePlaysBlack:
13591 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13592 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13596 case BeginningOfGame:
13597 case PlayFromGameFile:
13600 if (gameMode != EditGame) return;
13603 EditPositionDone(TRUE);
13614 // forwardMostMove = currentMove;
13615 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13617 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13619 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13620 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13621 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13625 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13626 SendToProgram("force\n", &second);
13628 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13631 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13632 if(appData.matchPause>10000 || appData.matchPause<10)
13633 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13634 wait = SubtractTimeMarks(&now, &pauseStart);
13635 if(wait < appData.matchPause) {
13636 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13639 // we are now committed to starting the game
13641 DisplayMessage("", "");
13642 if (startedFromSetupPosition) {
13643 SendBoard(&second, backwardMostMove);
13644 if (appData.debugMode) {
13645 fprintf(debugFP, "Two Machines\n");
13648 for (i = backwardMostMove; i < forwardMostMove; i++) {
13649 SendMoveToProgram(i, &second);
13652 gameMode = TwoMachinesPlay;
13654 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13656 DisplayTwoMachinesTitle();
13658 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13663 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13664 SendToProgram(first.computerString, &first);
13665 if (first.sendName) {
13666 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13667 SendToProgram(buf, &first);
13669 SendToProgram(second.computerString, &second);
13670 if (second.sendName) {
13671 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13672 SendToProgram(buf, &second);
13676 if (!first.sendTime || !second.sendTime) {
13677 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13678 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13680 if (onmove->sendTime) {
13681 if (onmove->useColors) {
13682 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13684 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13686 if (onmove->useColors) {
13687 SendToProgram(onmove->twoMachinesColor, onmove);
13689 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13690 // SendToProgram("go\n", onmove);
13691 onmove->maybeThinking = TRUE;
13692 SetMachineThinkingEnables();
13696 if(bookHit) { // [HGM] book: simulate book reply
13697 static char bookMove[MSG_SIZ]; // a bit generous?
13699 programStats.nodes = programStats.depth = programStats.time =
13700 programStats.score = programStats.got_only_move = 0;
13701 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13703 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13704 strcat(bookMove, bookHit);
13705 savedMessage = bookMove; // args for deferred call
13706 savedState = onmove;
13707 ScheduleDelayedEvent(DeferredBookMove, 1);
13714 if (gameMode == Training) {
13715 SetTrainingModeOff();
13716 gameMode = PlayFromGameFile;
13717 DisplayMessage("", _("Training mode off"));
13719 gameMode = Training;
13720 animateTraining = appData.animate;
13722 /* make sure we are not already at the end of the game */
13723 if (currentMove < forwardMostMove) {
13724 SetTrainingModeOn();
13725 DisplayMessage("", _("Training mode on"));
13727 gameMode = PlayFromGameFile;
13728 DisplayError(_("Already at end of game"), 0);
13737 if (!appData.icsActive) return;
13738 switch (gameMode) {
13739 case IcsPlayingWhite:
13740 case IcsPlayingBlack:
13743 case BeginningOfGame:
13751 EditPositionDone(TRUE);
13764 gameMode = IcsIdle;
13774 switch (gameMode) {
13776 SetTrainingModeOff();
13778 case MachinePlaysWhite:
13779 case MachinePlaysBlack:
13780 case BeginningOfGame:
13781 SendToProgram("force\n", &first);
13782 SetUserThinkingEnables();
13784 case PlayFromGameFile:
13785 (void) StopLoadGameTimer();
13786 if (gameFileFP != NULL) {
13791 EditPositionDone(TRUE);
13796 SendToProgram("force\n", &first);
13798 case TwoMachinesPlay:
13799 GameEnds(EndOfFile, NULL, GE_PLAYER);
13800 ResurrectChessProgram();
13801 SetUserThinkingEnables();
13804 ResurrectChessProgram();
13806 case IcsPlayingBlack:
13807 case IcsPlayingWhite:
13808 DisplayError(_("Warning: You are still playing a game"), 0);
13811 DisplayError(_("Warning: You are still observing a game"), 0);
13814 DisplayError(_("Warning: You are still examining a game"), 0);
13825 first.offeredDraw = second.offeredDraw = 0;
13827 if (gameMode == PlayFromGameFile) {
13828 whiteTimeRemaining = timeRemaining[0][currentMove];
13829 blackTimeRemaining = timeRemaining[1][currentMove];
13833 if (gameMode == MachinePlaysWhite ||
13834 gameMode == MachinePlaysBlack ||
13835 gameMode == TwoMachinesPlay ||
13836 gameMode == EndOfGame) {
13837 i = forwardMostMove;
13838 while (i > currentMove) {
13839 SendToProgram("undo\n", &first);
13842 if(!adjustedClock) {
13843 whiteTimeRemaining = timeRemaining[0][currentMove];
13844 blackTimeRemaining = timeRemaining[1][currentMove];
13845 DisplayBothClocks();
13847 if (whiteFlag || blackFlag) {
13848 whiteFlag = blackFlag = 0;
13853 gameMode = EditGame;
13860 EditPositionEvent ()
13862 if (gameMode == EditPosition) {
13868 if (gameMode != EditGame) return;
13870 gameMode = EditPosition;
13873 if (currentMove > 0)
13874 CopyBoard(boards[0], boards[currentMove]);
13876 blackPlaysFirst = !WhiteOnMove(currentMove);
13878 currentMove = forwardMostMove = backwardMostMove = 0;
13879 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13881 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13887 /* [DM] icsEngineAnalyze - possible call from other functions */
13888 if (appData.icsEngineAnalyze) {
13889 appData.icsEngineAnalyze = FALSE;
13891 DisplayMessage("",_("Close ICS engine analyze..."));
13893 if (first.analysisSupport && first.analyzing) {
13894 SendToProgram("exit\n", &first);
13895 first.analyzing = FALSE;
13897 thinkOutput[0] = NULLCHAR;
13901 EditPositionDone (Boolean fakeRights)
13903 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13905 startedFromSetupPosition = TRUE;
13906 InitChessProgram(&first, FALSE);
13907 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13908 boards[0][EP_STATUS] = EP_NONE;
13909 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13910 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13911 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13912 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13913 } else boards[0][CASTLING][2] = NoRights;
13914 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13915 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13916 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13917 } else boards[0][CASTLING][5] = NoRights;
13919 SendToProgram("force\n", &first);
13920 if (blackPlaysFirst) {
13921 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13922 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13923 currentMove = forwardMostMove = backwardMostMove = 1;
13924 CopyBoard(boards[1], boards[0]);
13926 currentMove = forwardMostMove = backwardMostMove = 0;
13928 SendBoard(&first, forwardMostMove);
13929 if (appData.debugMode) {
13930 fprintf(debugFP, "EditPosDone\n");
13933 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13934 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13935 gameMode = EditGame;
13937 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13938 ClearHighlights(); /* [AS] */
13941 /* Pause for `ms' milliseconds */
13942 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13944 TimeDelay (long ms)
13951 } while (SubtractTimeMarks(&m2, &m1) < ms);
13954 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13956 SendMultiLineToICS (char *buf)
13958 char temp[MSG_SIZ+1], *p;
13965 strncpy(temp, buf, len);
13970 if (*p == '\n' || *p == '\r')
13975 strcat(temp, "\n");
13977 SendToPlayer(temp, strlen(temp));
13981 SetWhiteToPlayEvent ()
13983 if (gameMode == EditPosition) {
13984 blackPlaysFirst = FALSE;
13985 DisplayBothClocks(); /* works because currentMove is 0 */
13986 } else if (gameMode == IcsExamining) {
13987 SendToICS(ics_prefix);
13988 SendToICS("tomove white\n");
13993 SetBlackToPlayEvent ()
13995 if (gameMode == EditPosition) {
13996 blackPlaysFirst = TRUE;
13997 currentMove = 1; /* kludge */
13998 DisplayBothClocks();
14000 } else if (gameMode == IcsExamining) {
14001 SendToICS(ics_prefix);
14002 SendToICS("tomove black\n");
14007 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14010 ChessSquare piece = boards[0][y][x];
14012 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14014 switch (selection) {
14016 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14017 SendToICS(ics_prefix);
14018 SendToICS("bsetup clear\n");
14019 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14020 SendToICS(ics_prefix);
14021 SendToICS("clearboard\n");
14023 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14024 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14025 for (y = 0; y < BOARD_HEIGHT; y++) {
14026 if (gameMode == IcsExamining) {
14027 if (boards[currentMove][y][x] != EmptySquare) {
14028 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14033 boards[0][y][x] = p;
14038 if (gameMode == EditPosition) {
14039 DrawPosition(FALSE, boards[0]);
14044 SetWhiteToPlayEvent();
14048 SetBlackToPlayEvent();
14052 if (gameMode == IcsExamining) {
14053 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14054 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14057 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14058 if(x == BOARD_LEFT-2) {
14059 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14060 boards[0][y][1] = 0;
14062 if(x == BOARD_RGHT+1) {
14063 if(y >= gameInfo.holdingsSize) break;
14064 boards[0][y][BOARD_WIDTH-2] = 0;
14067 boards[0][y][x] = EmptySquare;
14068 DrawPosition(FALSE, boards[0]);
14073 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14074 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14075 selection = (ChessSquare) (PROMOTED piece);
14076 } else if(piece == EmptySquare) selection = WhiteSilver;
14077 else selection = (ChessSquare)((int)piece - 1);
14081 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14082 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14083 selection = (ChessSquare) (DEMOTED piece);
14084 } else if(piece == EmptySquare) selection = BlackSilver;
14085 else selection = (ChessSquare)((int)piece + 1);
14090 if(gameInfo.variant == VariantShatranj ||
14091 gameInfo.variant == VariantXiangqi ||
14092 gameInfo.variant == VariantCourier ||
14093 gameInfo.variant == VariantMakruk )
14094 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14099 if(gameInfo.variant == VariantXiangqi)
14100 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14101 if(gameInfo.variant == VariantKnightmate)
14102 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14105 if (gameMode == IcsExamining) {
14106 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14107 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14108 PieceToChar(selection), AAA + x, ONE + y);
14111 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14113 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14114 n = PieceToNumber(selection - BlackPawn);
14115 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14116 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14117 boards[0][BOARD_HEIGHT-1-n][1]++;
14119 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14120 n = PieceToNumber(selection);
14121 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14122 boards[0][n][BOARD_WIDTH-1] = selection;
14123 boards[0][n][BOARD_WIDTH-2]++;
14126 boards[0][y][x] = selection;
14127 DrawPosition(TRUE, boards[0]);
14129 fromX = fromY = -1;
14137 DropMenuEvent (ChessSquare selection, int x, int y)
14139 ChessMove moveType;
14141 switch (gameMode) {
14142 case IcsPlayingWhite:
14143 case MachinePlaysBlack:
14144 if (!WhiteOnMove(currentMove)) {
14145 DisplayMoveError(_("It is Black's turn"));
14148 moveType = WhiteDrop;
14150 case IcsPlayingBlack:
14151 case MachinePlaysWhite:
14152 if (WhiteOnMove(currentMove)) {
14153 DisplayMoveError(_("It is White's turn"));
14156 moveType = BlackDrop;
14159 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14165 if (moveType == BlackDrop && selection < BlackPawn) {
14166 selection = (ChessSquare) ((int) selection
14167 + (int) BlackPawn - (int) WhitePawn);
14169 if (boards[currentMove][y][x] != EmptySquare) {
14170 DisplayMoveError(_("That square is occupied"));
14174 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14180 /* Accept a pending offer of any kind from opponent */
14182 if (appData.icsActive) {
14183 SendToICS(ics_prefix);
14184 SendToICS("accept\n");
14185 } else if (cmailMsgLoaded) {
14186 if (currentMove == cmailOldMove &&
14187 commentList[cmailOldMove] != NULL &&
14188 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14189 "Black offers a draw" : "White offers a draw")) {
14191 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14192 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14194 DisplayError(_("There is no pending offer on this move"), 0);
14195 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14198 /* Not used for offers from chess program */
14205 /* Decline a pending offer of any kind from opponent */
14207 if (appData.icsActive) {
14208 SendToICS(ics_prefix);
14209 SendToICS("decline\n");
14210 } else if (cmailMsgLoaded) {
14211 if (currentMove == cmailOldMove &&
14212 commentList[cmailOldMove] != NULL &&
14213 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14214 "Black offers a draw" : "White offers a draw")) {
14216 AppendComment(cmailOldMove, "Draw declined", TRUE);
14217 DisplayComment(cmailOldMove - 1, "Draw declined");
14220 DisplayError(_("There is no pending offer on this move"), 0);
14223 /* Not used for offers from chess program */
14230 /* Issue ICS rematch command */
14231 if (appData.icsActive) {
14232 SendToICS(ics_prefix);
14233 SendToICS("rematch\n");
14240 /* Call your opponent's flag (claim a win on time) */
14241 if (appData.icsActive) {
14242 SendToICS(ics_prefix);
14243 SendToICS("flag\n");
14245 switch (gameMode) {
14248 case MachinePlaysWhite:
14251 GameEnds(GameIsDrawn, "Both players ran out of time",
14254 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14256 DisplayError(_("Your opponent is not out of time"), 0);
14259 case MachinePlaysBlack:
14262 GameEnds(GameIsDrawn, "Both players ran out of time",
14265 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14267 DisplayError(_("Your opponent is not out of time"), 0);
14275 ClockClick (int which)
14276 { // [HGM] code moved to back-end from winboard.c
14277 if(which) { // black clock
14278 if (gameMode == EditPosition || gameMode == IcsExamining) {
14279 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14280 SetBlackToPlayEvent();
14281 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14282 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14283 } else if (shiftKey) {
14284 AdjustClock(which, -1);
14285 } else if (gameMode == IcsPlayingWhite ||
14286 gameMode == MachinePlaysBlack) {
14289 } else { // white clock
14290 if (gameMode == EditPosition || gameMode == IcsExamining) {
14291 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14292 SetWhiteToPlayEvent();
14293 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14294 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14295 } else if (shiftKey) {
14296 AdjustClock(which, -1);
14297 } else if (gameMode == IcsPlayingBlack ||
14298 gameMode == MachinePlaysWhite) {
14307 /* Offer draw or accept pending draw offer from opponent */
14309 if (appData.icsActive) {
14310 /* Note: tournament rules require draw offers to be
14311 made after you make your move but before you punch
14312 your clock. Currently ICS doesn't let you do that;
14313 instead, you immediately punch your clock after making
14314 a move, but you can offer a draw at any time. */
14316 SendToICS(ics_prefix);
14317 SendToICS("draw\n");
14318 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14319 } else if (cmailMsgLoaded) {
14320 if (currentMove == cmailOldMove &&
14321 commentList[cmailOldMove] != NULL &&
14322 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14323 "Black offers a draw" : "White offers a draw")) {
14324 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14325 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14326 } else if (currentMove == cmailOldMove + 1) {
14327 char *offer = WhiteOnMove(cmailOldMove) ?
14328 "White offers a draw" : "Black offers a draw";
14329 AppendComment(currentMove, offer, TRUE);
14330 DisplayComment(currentMove - 1, offer);
14331 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14333 DisplayError(_("You must make your move before offering a draw"), 0);
14334 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14336 } else if (first.offeredDraw) {
14337 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14339 if (first.sendDrawOffers) {
14340 SendToProgram("draw\n", &first);
14341 userOfferedDraw = TRUE;
14349 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14351 if (appData.icsActive) {
14352 SendToICS(ics_prefix);
14353 SendToICS("adjourn\n");
14355 /* Currently GNU Chess doesn't offer or accept Adjourns */
14363 /* Offer Abort or accept pending Abort offer from opponent */
14365 if (appData.icsActive) {
14366 SendToICS(ics_prefix);
14367 SendToICS("abort\n");
14369 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14376 /* Resign. You can do this even if it's not your turn. */
14378 if (appData.icsActive) {
14379 SendToICS(ics_prefix);
14380 SendToICS("resign\n");
14382 switch (gameMode) {
14383 case MachinePlaysWhite:
14384 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14386 case MachinePlaysBlack:
14387 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14390 if (cmailMsgLoaded) {
14392 if (WhiteOnMove(cmailOldMove)) {
14393 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14395 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14397 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14408 StopObservingEvent ()
14410 /* Stop observing current games */
14411 SendToICS(ics_prefix);
14412 SendToICS("unobserve\n");
14416 StopExaminingEvent ()
14418 /* Stop observing current game */
14419 SendToICS(ics_prefix);
14420 SendToICS("unexamine\n");
14424 ForwardInner (int target)
14426 int limit; int oldSeekGraphUp = seekGraphUp;
14428 if (appData.debugMode)
14429 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14430 target, currentMove, forwardMostMove);
14432 if (gameMode == EditPosition)
14435 seekGraphUp = FALSE;
14436 MarkTargetSquares(1);
14438 if (gameMode == PlayFromGameFile && !pausing)
14441 if (gameMode == IcsExamining && pausing)
14442 limit = pauseExamForwardMostMove;
14444 limit = forwardMostMove;
14446 if (target > limit) target = limit;
14448 if (target > 0 && moveList[target - 1][0]) {
14449 int fromX, fromY, toX, toY;
14450 toX = moveList[target - 1][2] - AAA;
14451 toY = moveList[target - 1][3] - ONE;
14452 if (moveList[target - 1][1] == '@') {
14453 if (appData.highlightLastMove) {
14454 SetHighlights(-1, -1, toX, toY);
14457 fromX = moveList[target - 1][0] - AAA;
14458 fromY = moveList[target - 1][1] - ONE;
14459 if (target == currentMove + 1) {
14460 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14462 if (appData.highlightLastMove) {
14463 SetHighlights(fromX, fromY, toX, toY);
14467 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14468 gameMode == Training || gameMode == PlayFromGameFile ||
14469 gameMode == AnalyzeFile) {
14470 while (currentMove < target) {
14471 SendMoveToProgram(currentMove++, &first);
14474 currentMove = target;
14477 if (gameMode == EditGame || gameMode == EndOfGame) {
14478 whiteTimeRemaining = timeRemaining[0][currentMove];
14479 blackTimeRemaining = timeRemaining[1][currentMove];
14481 DisplayBothClocks();
14482 DisplayMove(currentMove - 1);
14483 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14484 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14485 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14486 DisplayComment(currentMove - 1, commentList[currentMove]);
14488 ClearMap(); // [HGM] exclude: invalidate map
14495 if (gameMode == IcsExamining && !pausing) {
14496 SendToICS(ics_prefix);
14497 SendToICS("forward\n");
14499 ForwardInner(currentMove + 1);
14506 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14507 /* to optimze, we temporarily turn off analysis mode while we feed
14508 * the remaining moves to the engine. Otherwise we get analysis output
14511 if (first.analysisSupport) {
14512 SendToProgram("exit\nforce\n", &first);
14513 first.analyzing = FALSE;
14517 if (gameMode == IcsExamining && !pausing) {
14518 SendToICS(ics_prefix);
14519 SendToICS("forward 999999\n");
14521 ForwardInner(forwardMostMove);
14524 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14525 /* we have fed all the moves, so reactivate analysis mode */
14526 SendToProgram("analyze\n", &first);
14527 first.analyzing = TRUE;
14528 /*first.maybeThinking = TRUE;*/
14529 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14534 BackwardInner (int target)
14536 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14538 if (appData.debugMode)
14539 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14540 target, currentMove, forwardMostMove);
14542 if (gameMode == EditPosition) return;
14543 seekGraphUp = FALSE;
14544 MarkTargetSquares(1);
14545 if (currentMove <= backwardMostMove) {
14547 DrawPosition(full_redraw, boards[currentMove]);
14550 if (gameMode == PlayFromGameFile && !pausing)
14553 if (moveList[target][0]) {
14554 int fromX, fromY, toX, toY;
14555 toX = moveList[target][2] - AAA;
14556 toY = moveList[target][3] - ONE;
14557 if (moveList[target][1] == '@') {
14558 if (appData.highlightLastMove) {
14559 SetHighlights(-1, -1, toX, toY);
14562 fromX = moveList[target][0] - AAA;
14563 fromY = moveList[target][1] - ONE;
14564 if (target == currentMove - 1) {
14565 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14567 if (appData.highlightLastMove) {
14568 SetHighlights(fromX, fromY, toX, toY);
14572 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14573 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14574 while (currentMove > target) {
14575 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14576 // null move cannot be undone. Reload program with move history before it.
14578 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14579 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14581 SendBoard(&first, i);
14582 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14585 SendToProgram("undo\n", &first);
14589 currentMove = target;
14592 if (gameMode == EditGame || gameMode == EndOfGame) {
14593 whiteTimeRemaining = timeRemaining[0][currentMove];
14594 blackTimeRemaining = timeRemaining[1][currentMove];
14596 DisplayBothClocks();
14597 DisplayMove(currentMove - 1);
14598 DrawPosition(full_redraw, boards[currentMove]);
14599 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14600 // [HGM] PV info: routine tests if comment empty
14601 DisplayComment(currentMove - 1, commentList[currentMove]);
14602 ClearMap(); // [HGM] exclude: invalidate map
14608 if (gameMode == IcsExamining && !pausing) {
14609 SendToICS(ics_prefix);
14610 SendToICS("backward\n");
14612 BackwardInner(currentMove - 1);
14619 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14620 /* to optimize, we temporarily turn off analysis mode while we undo
14621 * all the moves. Otherwise we get analysis output after each undo.
14623 if (first.analysisSupport) {
14624 SendToProgram("exit\nforce\n", &first);
14625 first.analyzing = FALSE;
14629 if (gameMode == IcsExamining && !pausing) {
14630 SendToICS(ics_prefix);
14631 SendToICS("backward 999999\n");
14633 BackwardInner(backwardMostMove);
14636 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14637 /* we have fed all the moves, so reactivate analysis mode */
14638 SendToProgram("analyze\n", &first);
14639 first.analyzing = TRUE;
14640 /*first.maybeThinking = TRUE;*/
14641 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14648 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14649 if (to >= forwardMostMove) to = forwardMostMove;
14650 if (to <= backwardMostMove) to = backwardMostMove;
14651 if (to < currentMove) {
14659 RevertEvent (Boolean annotate)
14661 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14664 if (gameMode != IcsExamining) {
14665 DisplayError(_("You are not examining a game"), 0);
14669 DisplayError(_("You can't revert while pausing"), 0);
14672 SendToICS(ics_prefix);
14673 SendToICS("revert\n");
14677 RetractMoveEvent ()
14679 switch (gameMode) {
14680 case MachinePlaysWhite:
14681 case MachinePlaysBlack:
14682 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14683 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14686 if (forwardMostMove < 2) return;
14687 currentMove = forwardMostMove = forwardMostMove - 2;
14688 whiteTimeRemaining = timeRemaining[0][currentMove];
14689 blackTimeRemaining = timeRemaining[1][currentMove];
14690 DisplayBothClocks();
14691 DisplayMove(currentMove - 1);
14692 ClearHighlights();/*!! could figure this out*/
14693 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14694 SendToProgram("remove\n", &first);
14695 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14698 case BeginningOfGame:
14702 case IcsPlayingWhite:
14703 case IcsPlayingBlack:
14704 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14705 SendToICS(ics_prefix);
14706 SendToICS("takeback 2\n");
14708 SendToICS(ics_prefix);
14709 SendToICS("takeback 1\n");
14718 ChessProgramState *cps;
14720 switch (gameMode) {
14721 case MachinePlaysWhite:
14722 if (!WhiteOnMove(forwardMostMove)) {
14723 DisplayError(_("It is your turn"), 0);
14728 case MachinePlaysBlack:
14729 if (WhiteOnMove(forwardMostMove)) {
14730 DisplayError(_("It is your turn"), 0);
14735 case TwoMachinesPlay:
14736 if (WhiteOnMove(forwardMostMove) ==
14737 (first.twoMachinesColor[0] == 'w')) {
14743 case BeginningOfGame:
14747 SendToProgram("?\n", cps);
14751 TruncateGameEvent ()
14754 if (gameMode != EditGame) return;
14761 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14762 if (forwardMostMove > currentMove) {
14763 if (gameInfo.resultDetails != NULL) {
14764 free(gameInfo.resultDetails);
14765 gameInfo.resultDetails = NULL;
14766 gameInfo.result = GameUnfinished;
14768 forwardMostMove = currentMove;
14769 HistorySet(parseList, backwardMostMove, forwardMostMove,
14777 if (appData.noChessProgram) return;
14778 switch (gameMode) {
14779 case MachinePlaysWhite:
14780 if (WhiteOnMove(forwardMostMove)) {
14781 DisplayError(_("Wait until your turn"), 0);
14785 case BeginningOfGame:
14786 case MachinePlaysBlack:
14787 if (!WhiteOnMove(forwardMostMove)) {
14788 DisplayError(_("Wait until your turn"), 0);
14793 DisplayError(_("No hint available"), 0);
14796 SendToProgram("hint\n", &first);
14797 hintRequested = TRUE;
14803 if (appData.noChessProgram) return;
14804 switch (gameMode) {
14805 case MachinePlaysWhite:
14806 if (WhiteOnMove(forwardMostMove)) {
14807 DisplayError(_("Wait until your turn"), 0);
14811 case BeginningOfGame:
14812 case MachinePlaysBlack:
14813 if (!WhiteOnMove(forwardMostMove)) {
14814 DisplayError(_("Wait until your turn"), 0);
14819 EditPositionDone(TRUE);
14821 case TwoMachinesPlay:
14826 SendToProgram("bk\n", &first);
14827 bookOutput[0] = NULLCHAR;
14828 bookRequested = TRUE;
14834 char *tags = PGNTags(&gameInfo);
14835 TagsPopUp(tags, CmailMsg());
14839 /* end button procedures */
14842 PrintPosition (FILE *fp, int move)
14846 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14847 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14848 char c = PieceToChar(boards[move][i][j]);
14849 fputc(c == 'x' ? '.' : c, fp);
14850 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14853 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14854 fprintf(fp, "white to play\n");
14856 fprintf(fp, "black to play\n");
14860 PrintOpponents (FILE *fp)
14862 if (gameInfo.white != NULL) {
14863 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14869 /* Find last component of program's own name, using some heuristics */
14871 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14874 int local = (strcmp(host, "localhost") == 0);
14875 while (!local && (p = strchr(prog, ';')) != NULL) {
14877 while (*p == ' ') p++;
14880 if (*prog == '"' || *prog == '\'') {
14881 q = strchr(prog + 1, *prog);
14883 q = strchr(prog, ' ');
14885 if (q == NULL) q = prog + strlen(prog);
14887 while (p >= prog && *p != '/' && *p != '\\') p--;
14889 if(p == prog && *p == '"') p++;
14891 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14892 memcpy(buf, p, q - p);
14893 buf[q - p] = NULLCHAR;
14901 TimeControlTagValue ()
14904 if (!appData.clockMode) {
14905 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14906 } else if (movesPerSession > 0) {
14907 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14908 } else if (timeIncrement == 0) {
14909 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14911 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14913 return StrSave(buf);
14919 /* This routine is used only for certain modes */
14920 VariantClass v = gameInfo.variant;
14921 ChessMove r = GameUnfinished;
14924 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14925 r = gameInfo.result;
14926 p = gameInfo.resultDetails;
14927 gameInfo.resultDetails = NULL;
14929 ClearGameInfo(&gameInfo);
14930 gameInfo.variant = v;
14932 switch (gameMode) {
14933 case MachinePlaysWhite:
14934 gameInfo.event = StrSave( appData.pgnEventHeader );
14935 gameInfo.site = StrSave(HostName());
14936 gameInfo.date = PGNDate();
14937 gameInfo.round = StrSave("-");
14938 gameInfo.white = StrSave(first.tidy);
14939 gameInfo.black = StrSave(UserName());
14940 gameInfo.timeControl = TimeControlTagValue();
14943 case MachinePlaysBlack:
14944 gameInfo.event = StrSave( appData.pgnEventHeader );
14945 gameInfo.site = StrSave(HostName());
14946 gameInfo.date = PGNDate();
14947 gameInfo.round = StrSave("-");
14948 gameInfo.white = StrSave(UserName());
14949 gameInfo.black = StrSave(first.tidy);
14950 gameInfo.timeControl = TimeControlTagValue();
14953 case TwoMachinesPlay:
14954 gameInfo.event = StrSave( appData.pgnEventHeader );
14955 gameInfo.site = StrSave(HostName());
14956 gameInfo.date = PGNDate();
14959 snprintf(buf, MSG_SIZ, "%d", roundNr);
14960 gameInfo.round = StrSave(buf);
14962 gameInfo.round = StrSave("-");
14964 if (first.twoMachinesColor[0] == 'w') {
14965 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14966 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14968 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14969 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14971 gameInfo.timeControl = TimeControlTagValue();
14975 gameInfo.event = StrSave("Edited game");
14976 gameInfo.site = StrSave(HostName());
14977 gameInfo.date = PGNDate();
14978 gameInfo.round = StrSave("-");
14979 gameInfo.white = StrSave("-");
14980 gameInfo.black = StrSave("-");
14981 gameInfo.result = r;
14982 gameInfo.resultDetails = p;
14986 gameInfo.event = StrSave("Edited position");
14987 gameInfo.site = StrSave(HostName());
14988 gameInfo.date = PGNDate();
14989 gameInfo.round = StrSave("-");
14990 gameInfo.white = StrSave("-");
14991 gameInfo.black = StrSave("-");
14994 case IcsPlayingWhite:
14995 case IcsPlayingBlack:
15000 case PlayFromGameFile:
15001 gameInfo.event = StrSave("Game from non-PGN file");
15002 gameInfo.site = StrSave(HostName());
15003 gameInfo.date = PGNDate();
15004 gameInfo.round = StrSave("-");
15005 gameInfo.white = StrSave("?");
15006 gameInfo.black = StrSave("?");
15015 ReplaceComment (int index, char *text)
15021 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15022 pvInfoList[index-1].depth == len &&
15023 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15024 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15025 while (*text == '\n') text++;
15026 len = strlen(text);
15027 while (len > 0 && text[len - 1] == '\n') len--;
15029 if (commentList[index] != NULL)
15030 free(commentList[index]);
15033 commentList[index] = NULL;
15036 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15037 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15038 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15039 commentList[index] = (char *) malloc(len + 2);
15040 strncpy(commentList[index], text, len);
15041 commentList[index][len] = '\n';
15042 commentList[index][len + 1] = NULLCHAR;
15044 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15046 commentList[index] = (char *) malloc(len + 7);
15047 safeStrCpy(commentList[index], "{\n", 3);
15048 safeStrCpy(commentList[index]+2, text, len+1);
15049 commentList[index][len+2] = NULLCHAR;
15050 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15051 strcat(commentList[index], "\n}\n");
15056 CrushCRs (char *text)
15064 if (ch == '\r') continue;
15066 } while (ch != '\0');
15070 AppendComment (int index, char *text, Boolean addBraces)
15071 /* addBraces tells if we should add {} */
15076 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15077 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15080 while (*text == '\n') text++;
15081 len = strlen(text);
15082 while (len > 0 && text[len - 1] == '\n') len--;
15083 text[len] = NULLCHAR;
15085 if (len == 0) return;
15087 if (commentList[index] != NULL) {
15088 Boolean addClosingBrace = addBraces;
15089 old = commentList[index];
15090 oldlen = strlen(old);
15091 while(commentList[index][oldlen-1] == '\n')
15092 commentList[index][--oldlen] = NULLCHAR;
15093 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15094 safeStrCpy(commentList[index], old, oldlen + len + 6);
15096 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15097 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15098 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15099 while (*text == '\n') { text++; len--; }
15100 commentList[index][--oldlen] = NULLCHAR;
15102 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15103 else strcat(commentList[index], "\n");
15104 strcat(commentList[index], text);
15105 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15106 else strcat(commentList[index], "\n");
15108 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15110 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15111 else commentList[index][0] = NULLCHAR;
15112 strcat(commentList[index], text);
15113 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15114 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15119 FindStr (char * text, char * sub_text)
15121 char * result = strstr( text, sub_text );
15123 if( result != NULL ) {
15124 result += strlen( sub_text );
15130 /* [AS] Try to extract PV info from PGN comment */
15131 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15133 GetInfoFromComment (int index, char * text)
15135 char * sep = text, *p;
15137 if( text != NULL && index > 0 ) {
15140 int time = -1, sec = 0, deci;
15141 char * s_eval = FindStr( text, "[%eval " );
15142 char * s_emt = FindStr( text, "[%emt " );
15144 if( s_eval != NULL || s_emt != NULL ) {
15148 if( s_eval != NULL ) {
15149 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15153 if( delim != ']' ) {
15158 if( s_emt != NULL ) {
15163 /* We expect something like: [+|-]nnn.nn/dd */
15166 if(*text != '{') return text; // [HGM] braces: must be normal comment
15168 sep = strchr( text, '/' );
15169 if( sep == NULL || sep < (text+4) ) {
15174 if(p[1] == '(') { // comment starts with PV
15175 p = strchr(p, ')'); // locate end of PV
15176 if(p == NULL || sep < p+5) return text;
15177 // at this point we have something like "{(.*) +0.23/6 ..."
15178 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15179 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15180 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15182 time = -1; sec = -1; deci = -1;
15183 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15184 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15185 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15186 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15190 if( score_lo < 0 || score_lo >= 100 ) {
15194 if(sec >= 0) time = 600*time + 10*sec; else
15195 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15197 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15199 /* [HGM] PV time: now locate end of PV info */
15200 while( *++sep >= '0' && *sep <= '9'); // strip depth
15202 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15204 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15206 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15207 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15218 pvInfoList[index-1].depth = depth;
15219 pvInfoList[index-1].score = score;
15220 pvInfoList[index-1].time = 10*time; // centi-sec
15221 if(*sep == '}') *sep = 0; else *--sep = '{';
15222 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15228 SendToProgram (char *message, ChessProgramState *cps)
15230 int count, outCount, error;
15233 if (cps->pr == NoProc) return;
15236 if (appData.debugMode) {
15239 fprintf(debugFP, "%ld >%-6s: %s",
15240 SubtractTimeMarks(&now, &programStartTime),
15241 cps->which, message);
15243 fprintf(serverFP, "%ld >%-6s: %s",
15244 SubtractTimeMarks(&now, &programStartTime),
15245 cps->which, message), fflush(serverFP);
15248 count = strlen(message);
15249 outCount = OutputToProcess(cps->pr, message, count, &error);
15250 if (outCount < count && !exiting
15251 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15252 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15253 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15254 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15255 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15256 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15257 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15258 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15260 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15261 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15262 gameInfo.result = res;
15264 gameInfo.resultDetails = StrSave(buf);
15266 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15267 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15272 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15276 ChessProgramState *cps = (ChessProgramState *)closure;
15278 if (isr != cps->isr) return; /* Killed intentionally */
15281 RemoveInputSource(cps->isr);
15282 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15283 _(cps->which), cps->program);
15284 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15285 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15286 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15287 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15288 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15289 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15291 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15292 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15293 gameInfo.result = res;
15295 gameInfo.resultDetails = StrSave(buf);
15297 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15298 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15300 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15301 _(cps->which), cps->program);
15302 RemoveInputSource(cps->isr);
15304 /* [AS] Program is misbehaving badly... kill it */
15305 if( count == -2 ) {
15306 DestroyChildProcess( cps->pr, 9 );
15310 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15315 if ((end_str = strchr(message, '\r')) != NULL)
15316 *end_str = NULLCHAR;
15317 if ((end_str = strchr(message, '\n')) != NULL)
15318 *end_str = NULLCHAR;
15320 if (appData.debugMode) {
15321 TimeMark now; int print = 1;
15322 char *quote = ""; char c; int i;
15324 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15325 char start = message[0];
15326 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15327 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15328 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15329 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15330 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15331 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15332 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15333 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15334 sscanf(message, "hint: %c", &c)!=1 &&
15335 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15336 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15337 print = (appData.engineComments >= 2);
15339 message[0] = start; // restore original message
15343 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15344 SubtractTimeMarks(&now, &programStartTime), cps->which,
15348 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15349 SubtractTimeMarks(&now, &programStartTime), cps->which,
15351 message), fflush(serverFP);
15355 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15356 if (appData.icsEngineAnalyze) {
15357 if (strstr(message, "whisper") != NULL ||
15358 strstr(message, "kibitz") != NULL ||
15359 strstr(message, "tellics") != NULL) return;
15362 HandleMachineMove(message, cps);
15367 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15372 if( timeControl_2 > 0 ) {
15373 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15374 tc = timeControl_2;
15377 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15378 inc /= cps->timeOdds;
15379 st /= cps->timeOdds;
15381 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15384 /* Set exact time per move, normally using st command */
15385 if (cps->stKludge) {
15386 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15388 if (seconds == 0) {
15389 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15391 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15394 snprintf(buf, MSG_SIZ, "st %d\n", st);
15397 /* Set conventional or incremental time control, using level command */
15398 if (seconds == 0) {
15399 /* Note old gnuchess bug -- minutes:seconds used to not work.
15400 Fixed in later versions, but still avoid :seconds
15401 when seconds is 0. */
15402 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15404 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15405 seconds, inc/1000.);
15408 SendToProgram(buf, cps);
15410 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15411 /* Orthogonally, limit search to given depth */
15413 if (cps->sdKludge) {
15414 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15416 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15418 SendToProgram(buf, cps);
15421 if(cps->nps >= 0) { /* [HGM] nps */
15422 if(cps->supportsNPS == FALSE)
15423 cps->nps = -1; // don't use if engine explicitly says not supported!
15425 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15426 SendToProgram(buf, cps);
15431 ChessProgramState *
15433 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15435 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15436 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15442 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15444 char message[MSG_SIZ];
15447 /* Note: this routine must be called when the clocks are stopped
15448 or when they have *just* been set or switched; otherwise
15449 it will be off by the time since the current tick started.
15451 if (machineWhite) {
15452 time = whiteTimeRemaining / 10;
15453 otime = blackTimeRemaining / 10;
15455 time = blackTimeRemaining / 10;
15456 otime = whiteTimeRemaining / 10;
15458 /* [HGM] translate opponent's time by time-odds factor */
15459 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15461 if (time <= 0) time = 1;
15462 if (otime <= 0) otime = 1;
15464 snprintf(message, MSG_SIZ, "time %ld\n", time);
15465 SendToProgram(message, cps);
15467 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15468 SendToProgram(message, cps);
15472 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15475 int len = strlen(name);
15478 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15480 sscanf(*p, "%d", &val);
15482 while (**p && **p != ' ')
15484 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15485 SendToProgram(buf, cps);
15492 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15495 int len = strlen(name);
15496 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15498 sscanf(*p, "%d", loc);
15499 while (**p && **p != ' ') (*p)++;
15500 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15501 SendToProgram(buf, cps);
15508 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15511 int len = strlen(name);
15512 if (strncmp((*p), name, len) == 0
15513 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15515 sscanf(*p, "%[^\"]", loc);
15516 while (**p && **p != '\"') (*p)++;
15517 if (**p == '\"') (*p)++;
15518 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15519 SendToProgram(buf, cps);
15526 ParseOption (Option *opt, ChessProgramState *cps)
15527 // [HGM] options: process the string that defines an engine option, and determine
15528 // name, type, default value, and allowed value range
15530 char *p, *q, buf[MSG_SIZ];
15531 int n, min = (-1)<<31, max = 1<<31, def;
15533 if(p = strstr(opt->name, " -spin ")) {
15534 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15535 if(max < min) max = min; // enforce consistency
15536 if(def < min) def = min;
15537 if(def > max) def = max;
15542 } else if((p = strstr(opt->name, " -slider "))) {
15543 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15544 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15545 if(max < min) max = min; // enforce consistency
15546 if(def < min) def = min;
15547 if(def > max) def = max;
15551 opt->type = Spin; // Slider;
15552 } else if((p = strstr(opt->name, " -string "))) {
15553 opt->textValue = p+9;
15554 opt->type = TextBox;
15555 } else if((p = strstr(opt->name, " -file "))) {
15556 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15557 opt->textValue = p+7;
15558 opt->type = FileName; // FileName;
15559 } else if((p = strstr(opt->name, " -path "))) {
15560 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15561 opt->textValue = p+7;
15562 opt->type = PathName; // PathName;
15563 } else if(p = strstr(opt->name, " -check ")) {
15564 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15565 opt->value = (def != 0);
15566 opt->type = CheckBox;
15567 } else if(p = strstr(opt->name, " -combo ")) {
15568 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15569 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15570 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15571 opt->value = n = 0;
15572 while(q = StrStr(q, " /// ")) {
15573 n++; *q = 0; // count choices, and null-terminate each of them
15575 if(*q == '*') { // remember default, which is marked with * prefix
15579 cps->comboList[cps->comboCnt++] = q;
15581 cps->comboList[cps->comboCnt++] = NULL;
15583 opt->type = ComboBox;
15584 } else if(p = strstr(opt->name, " -button")) {
15585 opt->type = Button;
15586 } else if(p = strstr(opt->name, " -save")) {
15587 opt->type = SaveButton;
15588 } else return FALSE;
15589 *p = 0; // terminate option name
15590 // now look if the command-line options define a setting for this engine option.
15591 if(cps->optionSettings && cps->optionSettings[0])
15592 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15593 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15594 snprintf(buf, MSG_SIZ, "option %s", p);
15595 if(p = strstr(buf, ",")) *p = 0;
15596 if(q = strchr(buf, '=')) switch(opt->type) {
15598 for(n=0; n<opt->max; n++)
15599 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15602 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15606 opt->value = atoi(q+1);
15611 SendToProgram(buf, cps);
15617 FeatureDone (ChessProgramState *cps, int val)
15619 DelayedEventCallback cb = GetDelayedEvent();
15620 if ((cb == InitBackEnd3 && cps == &first) ||
15621 (cb == SettingsMenuIfReady && cps == &second) ||
15622 (cb == LoadEngine) ||
15623 (cb == TwoMachinesEventIfReady)) {
15624 CancelDelayedEvent();
15625 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15627 cps->initDone = val;
15630 /* Parse feature command from engine */
15632 ParseFeatures (char *args, ChessProgramState *cps)
15640 while (*p == ' ') p++;
15641 if (*p == NULLCHAR) return;
15643 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15644 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15645 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15646 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15647 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15648 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15649 if (BoolFeature(&p, "reuse", &val, cps)) {
15650 /* Engine can disable reuse, but can't enable it if user said no */
15651 if (!val) cps->reuse = FALSE;
15654 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15655 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15656 if (gameMode == TwoMachinesPlay) {
15657 DisplayTwoMachinesTitle();
15663 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15664 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15665 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15666 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15667 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15668 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15669 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15670 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15671 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15672 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15673 if (IntFeature(&p, "done", &val, cps)) {
15674 FeatureDone(cps, val);
15677 /* Added by Tord: */
15678 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15679 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15680 /* End of additions by Tord */
15682 /* [HGM] added features: */
15683 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15684 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15685 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15686 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15687 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15688 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15689 if (StringFeature(&p, "option", buf, cps)) {
15690 FREE(cps->option[cps->nrOptions].name);
15691 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15692 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15693 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15694 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15695 SendToProgram(buf, cps);
15698 if(cps->nrOptions >= MAX_OPTIONS) {
15700 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15701 DisplayError(buf, 0);
15705 /* End of additions by HGM */
15707 /* unknown feature: complain and skip */
15709 while (*q && *q != '=') q++;
15710 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15711 SendToProgram(buf, cps);
15717 while (*p && *p != '\"') p++;
15718 if (*p == '\"') p++;
15720 while (*p && *p != ' ') p++;
15728 PeriodicUpdatesEvent (int newState)
15730 if (newState == appData.periodicUpdates)
15733 appData.periodicUpdates=newState;
15735 /* Display type changes, so update it now */
15736 // DisplayAnalysis();
15738 /* Get the ball rolling again... */
15740 AnalysisPeriodicEvent(1);
15741 StartAnalysisClock();
15746 PonderNextMoveEvent (int newState)
15748 if (newState == appData.ponderNextMove) return;
15749 if (gameMode == EditPosition) EditPositionDone(TRUE);
15751 SendToProgram("hard\n", &first);
15752 if (gameMode == TwoMachinesPlay) {
15753 SendToProgram("hard\n", &second);
15756 SendToProgram("easy\n", &first);
15757 thinkOutput[0] = NULLCHAR;
15758 if (gameMode == TwoMachinesPlay) {
15759 SendToProgram("easy\n", &second);
15762 appData.ponderNextMove = newState;
15766 NewSettingEvent (int option, int *feature, char *command, int value)
15770 if (gameMode == EditPosition) EditPositionDone(TRUE);
15771 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15772 if(feature == NULL || *feature) SendToProgram(buf, &first);
15773 if (gameMode == TwoMachinesPlay) {
15774 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15779 ShowThinkingEvent ()
15780 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15782 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15783 int newState = appData.showThinking
15784 // [HGM] thinking: other features now need thinking output as well
15785 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15787 if (oldState == newState) return;
15788 oldState = newState;
15789 if (gameMode == EditPosition) EditPositionDone(TRUE);
15791 SendToProgram("post\n", &first);
15792 if (gameMode == TwoMachinesPlay) {
15793 SendToProgram("post\n", &second);
15796 SendToProgram("nopost\n", &first);
15797 thinkOutput[0] = NULLCHAR;
15798 if (gameMode == TwoMachinesPlay) {
15799 SendToProgram("nopost\n", &second);
15802 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15806 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15808 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15809 if (pr == NoProc) return;
15810 AskQuestion(title, question, replyPrefix, pr);
15814 TypeInEvent (char firstChar)
15816 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15817 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15818 gameMode == AnalyzeMode || gameMode == EditGame ||
15819 gameMode == EditPosition || gameMode == IcsExamining ||
15820 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15821 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15822 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15823 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15824 gameMode == Training) PopUpMoveDialog(firstChar);
15828 TypeInDoneEvent (char *move)
15831 int n, fromX, fromY, toX, toY;
15833 ChessMove moveType;
15836 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15837 EditPositionPasteFEN(move);
15840 // [HGM] movenum: allow move number to be typed in any mode
15841 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15845 // undocumented kludge: allow command-line option to be typed in!
15846 // (potentially fatal, and does not implement the effect of the option.)
15847 // should only be used for options that are values on which future decisions will be made,
15848 // and definitely not on options that would be used during initialization.
15849 if(strstr(move, "!!! -") == move) {
15850 ParseArgsFromString(move+4);
15854 if (gameMode != EditGame && currentMove != forwardMostMove &&
15855 gameMode != Training) {
15856 DisplayMoveError(_("Displayed move is not current"));
15858 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15859 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15860 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15861 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15862 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15863 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15865 DisplayMoveError(_("Could not parse move"));
15871 DisplayMove (int moveNumber)
15873 char message[MSG_SIZ];
15875 char cpThinkOutput[MSG_SIZ];
15877 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15879 if (moveNumber == forwardMostMove - 1 ||
15880 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15882 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15884 if (strchr(cpThinkOutput, '\n')) {
15885 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15888 *cpThinkOutput = NULLCHAR;
15891 /* [AS] Hide thinking from human user */
15892 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15893 *cpThinkOutput = NULLCHAR;
15894 if( thinkOutput[0] != NULLCHAR ) {
15897 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15898 cpThinkOutput[i] = '.';
15900 cpThinkOutput[i] = NULLCHAR;
15901 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15905 if (moveNumber == forwardMostMove - 1 &&
15906 gameInfo.resultDetails != NULL) {
15907 if (gameInfo.resultDetails[0] == NULLCHAR) {
15908 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15910 snprintf(res, MSG_SIZ, " {%s} %s",
15911 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15917 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15918 DisplayMessage(res, cpThinkOutput);
15920 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15921 WhiteOnMove(moveNumber) ? " " : ".. ",
15922 parseList[moveNumber], res);
15923 DisplayMessage(message, cpThinkOutput);
15928 DisplayComment (int moveNumber, char *text)
15930 char title[MSG_SIZ];
15932 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15933 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15935 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15936 WhiteOnMove(moveNumber) ? " " : ".. ",
15937 parseList[moveNumber]);
15939 if (text != NULL && (appData.autoDisplayComment || commentUp))
15940 CommentPopUp(title, text);
15943 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15944 * might be busy thinking or pondering. It can be omitted if your
15945 * gnuchess is configured to stop thinking immediately on any user
15946 * input. However, that gnuchess feature depends on the FIONREAD
15947 * ioctl, which does not work properly on some flavors of Unix.
15950 Attention (ChessProgramState *cps)
15953 if (!cps->useSigint) return;
15954 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15955 switch (gameMode) {
15956 case MachinePlaysWhite:
15957 case MachinePlaysBlack:
15958 case TwoMachinesPlay:
15959 case IcsPlayingWhite:
15960 case IcsPlayingBlack:
15963 /* Skip if we know it isn't thinking */
15964 if (!cps->maybeThinking) return;
15965 if (appData.debugMode)
15966 fprintf(debugFP, "Interrupting %s\n", cps->which);
15967 InterruptChildProcess(cps->pr);
15968 cps->maybeThinking = FALSE;
15973 #endif /*ATTENTION*/
15979 if (whiteTimeRemaining <= 0) {
15982 if (appData.icsActive) {
15983 if (appData.autoCallFlag &&
15984 gameMode == IcsPlayingBlack && !blackFlag) {
15985 SendToICS(ics_prefix);
15986 SendToICS("flag\n");
15990 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15992 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15993 if (appData.autoCallFlag) {
15994 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16001 if (blackTimeRemaining <= 0) {
16004 if (appData.icsActive) {
16005 if (appData.autoCallFlag &&
16006 gameMode == IcsPlayingWhite && !whiteFlag) {
16007 SendToICS(ics_prefix);
16008 SendToICS("flag\n");
16012 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16014 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16015 if (appData.autoCallFlag) {
16016 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16027 CheckTimeControl ()
16029 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16030 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16033 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16035 if ( !WhiteOnMove(forwardMostMove) ) {
16036 /* White made time control */
16037 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16038 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16039 /* [HGM] time odds: correct new time quota for time odds! */
16040 / WhitePlayer()->timeOdds;
16041 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16043 lastBlack -= blackTimeRemaining;
16044 /* Black made time control */
16045 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16046 / WhitePlayer()->other->timeOdds;
16047 lastWhite = whiteTimeRemaining;
16052 DisplayBothClocks ()
16054 int wom = gameMode == EditPosition ?
16055 !blackPlaysFirst : WhiteOnMove(currentMove);
16056 DisplayWhiteClock(whiteTimeRemaining, wom);
16057 DisplayBlackClock(blackTimeRemaining, !wom);
16061 /* Timekeeping seems to be a portability nightmare. I think everyone
16062 has ftime(), but I'm really not sure, so I'm including some ifdefs
16063 to use other calls if you don't. Clocks will be less accurate if
16064 you have neither ftime nor gettimeofday.
16067 /* VS 2008 requires the #include outside of the function */
16068 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16069 #include <sys/timeb.h>
16072 /* Get the current time as a TimeMark */
16074 GetTimeMark (TimeMark *tm)
16076 #if HAVE_GETTIMEOFDAY
16078 struct timeval timeVal;
16079 struct timezone timeZone;
16081 gettimeofday(&timeVal, &timeZone);
16082 tm->sec = (long) timeVal.tv_sec;
16083 tm->ms = (int) (timeVal.tv_usec / 1000L);
16085 #else /*!HAVE_GETTIMEOFDAY*/
16088 // include <sys/timeb.h> / moved to just above start of function
16089 struct timeb timeB;
16092 tm->sec = (long) timeB.time;
16093 tm->ms = (int) timeB.millitm;
16095 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16096 tm->sec = (long) time(NULL);
16102 /* Return the difference in milliseconds between two
16103 time marks. We assume the difference will fit in a long!
16106 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16108 return 1000L*(tm2->sec - tm1->sec) +
16109 (long) (tm2->ms - tm1->ms);
16114 * Code to manage the game clocks.
16116 * In tournament play, black starts the clock and then white makes a move.
16117 * We give the human user a slight advantage if he is playing white---the
16118 * clocks don't run until he makes his first move, so it takes zero time.
16119 * Also, we don't account for network lag, so we could get out of sync
16120 * with GNU Chess's clock -- but then, referees are always right.
16123 static TimeMark tickStartTM;
16124 static long intendedTickLength;
16127 NextTickLength (long timeRemaining)
16129 long nominalTickLength, nextTickLength;
16131 if (timeRemaining > 0L && timeRemaining <= 10000L)
16132 nominalTickLength = 100L;
16134 nominalTickLength = 1000L;
16135 nextTickLength = timeRemaining % nominalTickLength;
16136 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16138 return nextTickLength;
16141 /* Adjust clock one minute up or down */
16143 AdjustClock (Boolean which, int dir)
16145 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16146 if(which) blackTimeRemaining += 60000*dir;
16147 else whiteTimeRemaining += 60000*dir;
16148 DisplayBothClocks();
16149 adjustedClock = TRUE;
16152 /* Stop clocks and reset to a fresh time control */
16156 (void) StopClockTimer();
16157 if (appData.icsActive) {
16158 whiteTimeRemaining = blackTimeRemaining = 0;
16159 } else if (searchTime) {
16160 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16161 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16162 } else { /* [HGM] correct new time quote for time odds */
16163 whiteTC = blackTC = fullTimeControlString;
16164 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16165 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16167 if (whiteFlag || blackFlag) {
16169 whiteFlag = blackFlag = FALSE;
16171 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16172 DisplayBothClocks();
16173 adjustedClock = FALSE;
16176 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16178 /* Decrement running clock by amount of time that has passed */
16182 long timeRemaining;
16183 long lastTickLength, fudge;
16186 if (!appData.clockMode) return;
16187 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16191 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16193 /* Fudge if we woke up a little too soon */
16194 fudge = intendedTickLength - lastTickLength;
16195 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16197 if (WhiteOnMove(forwardMostMove)) {
16198 if(whiteNPS >= 0) lastTickLength = 0;
16199 timeRemaining = whiteTimeRemaining -= lastTickLength;
16200 if(timeRemaining < 0 && !appData.icsActive) {
16201 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16202 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16203 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16204 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16207 DisplayWhiteClock(whiteTimeRemaining - fudge,
16208 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16210 if(blackNPS >= 0) lastTickLength = 0;
16211 timeRemaining = blackTimeRemaining -= lastTickLength;
16212 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16213 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16215 blackStartMove = forwardMostMove;
16216 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16219 DisplayBlackClock(blackTimeRemaining - fudge,
16220 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16222 if (CheckFlags()) return;
16224 if(twoBoards) { // count down secondary board's clocks as well
16225 activePartnerTime -= lastTickLength;
16227 if(activePartner == 'W')
16228 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16230 DisplayBlackClock(activePartnerTime, TRUE);
16235 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16236 StartClockTimer(intendedTickLength);
16238 /* if the time remaining has fallen below the alarm threshold, sound the
16239 * alarm. if the alarm has sounded and (due to a takeback or time control
16240 * with increment) the time remaining has increased to a level above the
16241 * threshold, reset the alarm so it can sound again.
16244 if (appData.icsActive && appData.icsAlarm) {
16246 /* make sure we are dealing with the user's clock */
16247 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16248 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16251 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16252 alarmSounded = FALSE;
16253 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16255 alarmSounded = TRUE;
16261 /* A player has just moved, so stop the previously running
16262 clock and (if in clock mode) start the other one.
16263 We redisplay both clocks in case we're in ICS mode, because
16264 ICS gives us an update to both clocks after every move.
16265 Note that this routine is called *after* forwardMostMove
16266 is updated, so the last fractional tick must be subtracted
16267 from the color that is *not* on move now.
16270 SwitchClocks (int newMoveNr)
16272 long lastTickLength;
16274 int flagged = FALSE;
16278 if (StopClockTimer() && appData.clockMode) {
16279 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16280 if (!WhiteOnMove(forwardMostMove)) {
16281 if(blackNPS >= 0) lastTickLength = 0;
16282 blackTimeRemaining -= lastTickLength;
16283 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16284 // if(pvInfoList[forwardMostMove].time == -1)
16285 pvInfoList[forwardMostMove].time = // use GUI time
16286 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16288 if(whiteNPS >= 0) lastTickLength = 0;
16289 whiteTimeRemaining -= lastTickLength;
16290 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16291 // if(pvInfoList[forwardMostMove].time == -1)
16292 pvInfoList[forwardMostMove].time =
16293 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16295 flagged = CheckFlags();
16297 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16298 CheckTimeControl();
16300 if (flagged || !appData.clockMode) return;
16302 switch (gameMode) {
16303 case MachinePlaysBlack:
16304 case MachinePlaysWhite:
16305 case BeginningOfGame:
16306 if (pausing) return;
16310 case PlayFromGameFile:
16318 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16319 if(WhiteOnMove(forwardMostMove))
16320 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16321 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16325 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16326 whiteTimeRemaining : blackTimeRemaining);
16327 StartClockTimer(intendedTickLength);
16331 /* Stop both clocks */
16335 long lastTickLength;
16338 if (!StopClockTimer()) return;
16339 if (!appData.clockMode) return;
16343 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16344 if (WhiteOnMove(forwardMostMove)) {
16345 if(whiteNPS >= 0) lastTickLength = 0;
16346 whiteTimeRemaining -= lastTickLength;
16347 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16349 if(blackNPS >= 0) lastTickLength = 0;
16350 blackTimeRemaining -= lastTickLength;
16351 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16356 /* Start clock of player on move. Time may have been reset, so
16357 if clock is already running, stop and restart it. */
16361 (void) StopClockTimer(); /* in case it was running already */
16362 DisplayBothClocks();
16363 if (CheckFlags()) return;
16365 if (!appData.clockMode) return;
16366 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16368 GetTimeMark(&tickStartTM);
16369 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16370 whiteTimeRemaining : blackTimeRemaining);
16372 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16373 whiteNPS = blackNPS = -1;
16374 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16375 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16376 whiteNPS = first.nps;
16377 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16378 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16379 blackNPS = first.nps;
16380 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16381 whiteNPS = second.nps;
16382 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16383 blackNPS = second.nps;
16384 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16386 StartClockTimer(intendedTickLength);
16390 TimeString (long ms)
16392 long second, minute, hour, day;
16394 static char buf[32];
16396 if (ms > 0 && ms <= 9900) {
16397 /* convert milliseconds to tenths, rounding up */
16398 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16400 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16404 /* convert milliseconds to seconds, rounding up */
16405 /* use floating point to avoid strangeness of integer division
16406 with negative dividends on many machines */
16407 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16414 day = second / (60 * 60 * 24);
16415 second = second % (60 * 60 * 24);
16416 hour = second / (60 * 60);
16417 second = second % (60 * 60);
16418 minute = second / 60;
16419 second = second % 60;
16422 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16423 sign, day, hour, minute, second);
16425 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16427 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16434 * This is necessary because some C libraries aren't ANSI C compliant yet.
16437 StrStr (char *string, char *match)
16441 length = strlen(match);
16443 for (i = strlen(string) - length; i >= 0; i--, string++)
16444 if (!strncmp(match, string, length))
16451 StrCaseStr (char *string, char *match)
16455 length = strlen(match);
16457 for (i = strlen(string) - length; i >= 0; i--, string++) {
16458 for (j = 0; j < length; j++) {
16459 if (ToLower(match[j]) != ToLower(string[j]))
16462 if (j == length) return string;
16470 StrCaseCmp (char *s1, char *s2)
16475 c1 = ToLower(*s1++);
16476 c2 = ToLower(*s2++);
16477 if (c1 > c2) return 1;
16478 if (c1 < c2) return -1;
16479 if (c1 == NULLCHAR) return 0;
16487 return isupper(c) ? tolower(c) : c;
16494 return islower(c) ? toupper(c) : c;
16496 #endif /* !_amigados */
16503 if ((ret = (char *) malloc(strlen(s) + 1)))
16505 safeStrCpy(ret, s, strlen(s)+1);
16511 StrSavePtr (char *s, char **savePtr)
16516 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16517 safeStrCpy(*savePtr, s, strlen(s)+1);
16529 clock = time((time_t *)NULL);
16530 tm = localtime(&clock);
16531 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16532 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16533 return StrSave(buf);
16538 PositionToFEN (int move, char *overrideCastling)
16540 int i, j, fromX, fromY, toX, toY;
16547 whiteToPlay = (gameMode == EditPosition) ?
16548 !blackPlaysFirst : (move % 2 == 0);
16551 /* Piece placement data */
16552 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16553 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16555 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16556 if (boards[move][i][j] == EmptySquare) {
16558 } else { ChessSquare piece = boards[move][i][j];
16559 if (emptycount > 0) {
16560 if(emptycount<10) /* [HGM] can be >= 10 */
16561 *p++ = '0' + emptycount;
16562 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16565 if(PieceToChar(piece) == '+') {
16566 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16568 piece = (ChessSquare)(DEMOTED piece);
16570 *p++ = PieceToChar(piece);
16572 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16573 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16578 if (emptycount > 0) {
16579 if(emptycount<10) /* [HGM] can be >= 10 */
16580 *p++ = '0' + emptycount;
16581 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16588 /* [HGM] print Crazyhouse or Shogi holdings */
16589 if( gameInfo.holdingsWidth ) {
16590 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16592 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16593 piece = boards[move][i][BOARD_WIDTH-1];
16594 if( piece != EmptySquare )
16595 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16596 *p++ = PieceToChar(piece);
16598 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16599 piece = boards[move][BOARD_HEIGHT-i-1][0];
16600 if( piece != EmptySquare )
16601 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16602 *p++ = PieceToChar(piece);
16605 if( q == p ) *p++ = '-';
16611 *p++ = whiteToPlay ? 'w' : 'b';
16614 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16615 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16617 if(nrCastlingRights) {
16619 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16620 /* [HGM] write directly from rights */
16621 if(boards[move][CASTLING][2] != NoRights &&
16622 boards[move][CASTLING][0] != NoRights )
16623 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16624 if(boards[move][CASTLING][2] != NoRights &&
16625 boards[move][CASTLING][1] != NoRights )
16626 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16627 if(boards[move][CASTLING][5] != NoRights &&
16628 boards[move][CASTLING][3] != NoRights )
16629 *p++ = boards[move][CASTLING][3] + AAA;
16630 if(boards[move][CASTLING][5] != NoRights &&
16631 boards[move][CASTLING][4] != NoRights )
16632 *p++ = boards[move][CASTLING][4] + AAA;
16635 /* [HGM] write true castling rights */
16636 if( nrCastlingRights == 6 ) {
16637 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16638 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16639 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16640 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16641 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16642 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16643 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16644 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16647 if (q == p) *p++ = '-'; /* No castling rights */
16651 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16652 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16653 /* En passant target square */
16654 if (move > backwardMostMove) {
16655 fromX = moveList[move - 1][0] - AAA;
16656 fromY = moveList[move - 1][1] - ONE;
16657 toX = moveList[move - 1][2] - AAA;
16658 toY = moveList[move - 1][3] - ONE;
16659 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16660 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16661 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16663 /* 2-square pawn move just happened */
16665 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16669 } else if(move == backwardMostMove) {
16670 // [HGM] perhaps we should always do it like this, and forget the above?
16671 if((signed char)boards[move][EP_STATUS] >= 0) {
16672 *p++ = boards[move][EP_STATUS] + AAA;
16673 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16684 /* [HGM] find reversible plies */
16685 { int i = 0, j=move;
16687 if (appData.debugMode) { int k;
16688 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16689 for(k=backwardMostMove; k<=forwardMostMove; k++)
16690 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16694 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16695 if( j == backwardMostMove ) i += initialRulePlies;
16696 sprintf(p, "%d ", i);
16697 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16699 /* Fullmove number */
16700 sprintf(p, "%d", (move / 2) + 1);
16702 return StrSave(buf);
16706 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16715 /* [HGM] by default clear Crazyhouse holdings, if present */
16716 if(gameInfo.holdingsWidth) {
16717 for(i=0; i<BOARD_HEIGHT; i++) {
16718 board[i][0] = EmptySquare; /* black holdings */
16719 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16720 board[i][1] = (ChessSquare) 0; /* black counts */
16721 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16725 /* Piece placement data */
16726 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16729 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16730 if (*p == '/') p++;
16731 emptycount = gameInfo.boardWidth - j;
16732 while (emptycount--)
16733 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16735 #if(BOARD_FILES >= 10)
16736 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16737 p++; emptycount=10;
16738 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16739 while (emptycount--)
16740 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16742 } else if (isdigit(*p)) {
16743 emptycount = *p++ - '0';
16744 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16745 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16746 while (emptycount--)
16747 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16748 } else if (*p == '+' || isalpha(*p)) {
16749 if (j >= gameInfo.boardWidth) return FALSE;
16751 piece = CharToPiece(*++p);
16752 if(piece == EmptySquare) return FALSE; /* unknown piece */
16753 piece = (ChessSquare) (PROMOTED piece ); p++;
16754 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16755 } else piece = CharToPiece(*p++);
16757 if(piece==EmptySquare) return FALSE; /* unknown piece */
16758 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16759 piece = (ChessSquare) (PROMOTED piece);
16760 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16763 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16769 while (*p == '/' || *p == ' ') p++;
16771 /* [HGM] look for Crazyhouse holdings here */
16772 while(*p==' ') p++;
16773 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16775 if(*p == '-' ) p++; /* empty holdings */ else {
16776 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16777 /* if we would allow FEN reading to set board size, we would */
16778 /* have to add holdings and shift the board read so far here */
16779 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16781 if((int) piece >= (int) BlackPawn ) {
16782 i = (int)piece - (int)BlackPawn;
16783 i = PieceToNumber((ChessSquare)i);
16784 if( i >= gameInfo.holdingsSize ) return FALSE;
16785 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16786 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16788 i = (int)piece - (int)WhitePawn;
16789 i = PieceToNumber((ChessSquare)i);
16790 if( i >= gameInfo.holdingsSize ) return FALSE;
16791 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16792 board[i][BOARD_WIDTH-2]++; /* black holdings */
16799 while(*p == ' ') p++;
16803 if(appData.colorNickNames) {
16804 if( c == appData.colorNickNames[0] ) c = 'w'; else
16805 if( c == appData.colorNickNames[1] ) c = 'b';
16809 *blackPlaysFirst = FALSE;
16812 *blackPlaysFirst = TRUE;
16818 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16819 /* return the extra info in global variiables */
16821 /* set defaults in case FEN is incomplete */
16822 board[EP_STATUS] = EP_UNKNOWN;
16823 for(i=0; i<nrCastlingRights; i++ ) {
16824 board[CASTLING][i] =
16825 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16826 } /* assume possible unless obviously impossible */
16827 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16828 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16829 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16830 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16831 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16832 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16833 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16834 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16837 while(*p==' ') p++;
16838 if(nrCastlingRights) {
16839 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16840 /* castling indicator present, so default becomes no castlings */
16841 for(i=0; i<nrCastlingRights; i++ ) {
16842 board[CASTLING][i] = NoRights;
16845 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16846 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16847 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16848 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16849 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16851 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16852 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16853 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16855 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16856 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16857 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16858 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16859 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16860 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16863 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16864 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16865 board[CASTLING][2] = whiteKingFile;
16868 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16869 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16870 board[CASTLING][2] = whiteKingFile;
16873 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16874 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16875 board[CASTLING][5] = blackKingFile;
16878 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16879 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16880 board[CASTLING][5] = blackKingFile;
16883 default: /* FRC castlings */
16884 if(c >= 'a') { /* black rights */
16885 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16886 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16887 if(i == BOARD_RGHT) break;
16888 board[CASTLING][5] = i;
16890 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16891 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16893 board[CASTLING][3] = c;
16895 board[CASTLING][4] = c;
16896 } else { /* white rights */
16897 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16898 if(board[0][i] == WhiteKing) break;
16899 if(i == BOARD_RGHT) break;
16900 board[CASTLING][2] = i;
16901 c -= AAA - 'a' + 'A';
16902 if(board[0][c] >= WhiteKing) break;
16904 board[CASTLING][0] = c;
16906 board[CASTLING][1] = c;
16910 for(i=0; i<nrCastlingRights; i++)
16911 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16912 if (appData.debugMode) {
16913 fprintf(debugFP, "FEN castling rights:");
16914 for(i=0; i<nrCastlingRights; i++)
16915 fprintf(debugFP, " %d", board[CASTLING][i]);
16916 fprintf(debugFP, "\n");
16919 while(*p==' ') p++;
16922 /* read e.p. field in games that know e.p. capture */
16923 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16924 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16926 p++; board[EP_STATUS] = EP_NONE;
16928 char c = *p++ - AAA;
16930 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16931 if(*p >= '0' && *p <='9') p++;
16932 board[EP_STATUS] = c;
16937 if(sscanf(p, "%d", &i) == 1) {
16938 FENrulePlies = i; /* 50-move ply counter */
16939 /* (The move number is still ignored) */
16946 EditPositionPasteFEN (char *fen)
16949 Board initial_position;
16951 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16952 DisplayError(_("Bad FEN position in clipboard"), 0);
16955 int savedBlackPlaysFirst = blackPlaysFirst;
16956 EditPositionEvent();
16957 blackPlaysFirst = savedBlackPlaysFirst;
16958 CopyBoard(boards[0], initial_position);
16959 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16960 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16961 DisplayBothClocks();
16962 DrawPosition(FALSE, boards[currentMove]);
16967 static char cseq[12] = "\\ ";
16970 set_cont_sequence (char *new_seq)
16975 // handle bad attempts to set the sequence
16977 return 0; // acceptable error - no debug
16979 len = strlen(new_seq);
16980 ret = (len > 0) && (len < sizeof(cseq));
16982 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16983 else if (appData.debugMode)
16984 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16989 reformat a source message so words don't cross the width boundary. internal
16990 newlines are not removed. returns the wrapped size (no null character unless
16991 included in source message). If dest is NULL, only calculate the size required
16992 for the dest buffer. lp argument indicats line position upon entry, and it's
16993 passed back upon exit.
16996 wrap (char *dest, char *src, int count, int width, int *lp)
16998 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17000 cseq_len = strlen(cseq);
17001 old_line = line = *lp;
17002 ansi = len = clen = 0;
17004 for (i=0; i < count; i++)
17006 if (src[i] == '\033')
17009 // if we hit the width, back up
17010 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17012 // store i & len in case the word is too long
17013 old_i = i, old_len = len;
17015 // find the end of the last word
17016 while (i && src[i] != ' ' && src[i] != '\n')
17022 // word too long? restore i & len before splitting it
17023 if ((old_i-i+clen) >= width)
17030 if (i && src[i-1] == ' ')
17033 if (src[i] != ' ' && src[i] != '\n')
17040 // now append the newline and continuation sequence
17045 strncpy(dest+len, cseq, cseq_len);
17053 dest[len] = src[i];
17057 if (src[i] == '\n')
17062 if (dest && appData.debugMode)
17064 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17065 count, width, line, len, *lp);
17066 show_bytes(debugFP, src, count);
17067 fprintf(debugFP, "\ndest: ");
17068 show_bytes(debugFP, dest, len);
17069 fprintf(debugFP, "\n");
17071 *lp = dest ? line : old_line;
17076 // [HGM] vari: routines for shelving variations
17077 Boolean modeRestore = FALSE;
17080 PushInner (int firstMove, int lastMove)
17082 int i, j, nrMoves = lastMove - firstMove;
17084 // push current tail of game on stack
17085 savedResult[storedGames] = gameInfo.result;
17086 savedDetails[storedGames] = gameInfo.resultDetails;
17087 gameInfo.resultDetails = NULL;
17088 savedFirst[storedGames] = firstMove;
17089 savedLast [storedGames] = lastMove;
17090 savedFramePtr[storedGames] = framePtr;
17091 framePtr -= nrMoves; // reserve space for the boards
17092 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17093 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17094 for(j=0; j<MOVE_LEN; j++)
17095 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17096 for(j=0; j<2*MOVE_LEN; j++)
17097 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17098 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17099 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17100 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17101 pvInfoList[firstMove+i-1].depth = 0;
17102 commentList[framePtr+i] = commentList[firstMove+i];
17103 commentList[firstMove+i] = NULL;
17107 forwardMostMove = firstMove; // truncate game so we can start variation
17111 PushTail (int firstMove, int lastMove)
17113 if(appData.icsActive) { // only in local mode
17114 forwardMostMove = currentMove; // mimic old ICS behavior
17117 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17119 PushInner(firstMove, lastMove);
17120 if(storedGames == 1) GreyRevert(FALSE);
17121 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17125 PopInner (Boolean annotate)
17128 char buf[8000], moveBuf[20];
17130 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17131 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17132 nrMoves = savedLast[storedGames] - currentMove;
17135 if(!WhiteOnMove(currentMove))
17136 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17137 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17138 for(i=currentMove; i<forwardMostMove; i++) {
17140 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17141 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17142 strcat(buf, moveBuf);
17143 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17144 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17148 for(i=1; i<=nrMoves; i++) { // copy last variation back
17149 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17150 for(j=0; j<MOVE_LEN; j++)
17151 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17152 for(j=0; j<2*MOVE_LEN; j++)
17153 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17154 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17155 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17156 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17157 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17158 commentList[currentMove+i] = commentList[framePtr+i];
17159 commentList[framePtr+i] = NULL;
17161 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17162 framePtr = savedFramePtr[storedGames];
17163 gameInfo.result = savedResult[storedGames];
17164 if(gameInfo.resultDetails != NULL) {
17165 free(gameInfo.resultDetails);
17167 gameInfo.resultDetails = savedDetails[storedGames];
17168 forwardMostMove = currentMove + nrMoves;
17172 PopTail (Boolean annotate)
17174 if(appData.icsActive) return FALSE; // only in local mode
17175 if(!storedGames) return FALSE; // sanity
17176 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17178 PopInner(annotate);
17179 if(currentMove < forwardMostMove) ForwardEvent(); else
17180 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17182 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17188 { // remove all shelved variations
17190 for(i=0; i<storedGames; i++) {
17191 if(savedDetails[i])
17192 free(savedDetails[i]);
17193 savedDetails[i] = NULL;
17195 for(i=framePtr; i<MAX_MOVES; i++) {
17196 if(commentList[i]) free(commentList[i]);
17197 commentList[i] = NULL;
17199 framePtr = MAX_MOVES-1;
17204 LoadVariation (int index, char *text)
17205 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17206 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17207 int level = 0, move;
17209 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17210 // first find outermost bracketing variation
17211 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17212 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17213 if(*p == '{') wait = '}'; else
17214 if(*p == '[') wait = ']'; else
17215 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17216 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17218 if(*p == wait) wait = NULLCHAR; // closing ]} found
17221 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17222 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17223 end[1] = NULLCHAR; // clip off comment beyond variation
17224 ToNrEvent(currentMove-1);
17225 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17226 // kludge: use ParsePV() to append variation to game
17227 move = currentMove;
17228 ParsePV(start, TRUE, TRUE);
17229 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17230 ClearPremoveHighlights();
17232 ToNrEvent(currentMove+1);