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 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7194 promoSweep = defaultPromoChoice;
7195 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7196 selectFlag = 0; lastX = xPix; lastY = yPix;
7197 Sweep(0); // Pawn that is going to promote: preview promotion piece
7198 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7199 DrawPosition(FALSE, boards[currentMove]);
7201 return; // promo popup appears on up-click
7204 /* Finish drag move */
7205 if (appData.highlightLastMove) {
7206 SetHighlights(fromX, fromY, toX, toY);
7210 DragPieceEnd(xPix, yPix); dragging = 0;
7211 /* Don't animate move and drag both */
7212 appData.animate = FALSE;
7214 MarkTargetSquares(1);
7216 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7217 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7218 ChessSquare piece = boards[currentMove][fromY][fromX];
7219 if(gameMode == EditPosition && piece != EmptySquare &&
7220 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7223 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7224 n = PieceToNumber(piece - (int)BlackPawn);
7225 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7226 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7227 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7229 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7230 n = PieceToNumber(piece);
7231 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7232 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7233 boards[currentMove][n][BOARD_WIDTH-2]++;
7235 boards[currentMove][fromY][fromX] = EmptySquare;
7239 DrawPosition(TRUE, boards[currentMove]);
7243 // off-board moves should not be highlighted
7244 if(x < 0 || y < 0) ClearHighlights();
7246 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7248 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7249 SetHighlights(fromX, fromY, toX, toY);
7250 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7251 // [HGM] super: promotion to captured piece selected from holdings
7252 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7253 promotionChoice = TRUE;
7254 // kludge follows to temporarily execute move on display, without promoting yet
7255 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7256 boards[currentMove][toY][toX] = p;
7257 DrawPosition(FALSE, boards[currentMove]);
7258 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7259 boards[currentMove][toY][toX] = q;
7260 DisplayMessage("Click in holdings to choose piece", "");
7265 int oldMove = currentMove;
7266 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7267 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7268 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7269 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7270 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7271 DrawPosition(TRUE, boards[currentMove]);
7274 appData.animate = saveAnimate;
7275 if (appData.animate || appData.animateDragging) {
7276 /* Undo animation damage if needed */
7277 DrawPosition(FALSE, NULL);
7282 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7283 { // front-end-free part taken out of PieceMenuPopup
7284 int whichMenu; int xSqr, ySqr;
7286 if(seekGraphUp) { // [HGM] seekgraph
7287 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7288 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7292 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7293 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7294 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7295 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7296 if(action == Press) {
7297 originalFlip = flipView;
7298 flipView = !flipView; // temporarily flip board to see game from partners perspective
7299 DrawPosition(TRUE, partnerBoard);
7300 DisplayMessage(partnerStatus, "");
7302 } else if(action == Release) {
7303 flipView = originalFlip;
7304 DrawPosition(TRUE, boards[currentMove]);
7310 xSqr = EventToSquare(x, BOARD_WIDTH);
7311 ySqr = EventToSquare(y, BOARD_HEIGHT);
7312 if (action == Release) {
7313 if(pieceSweep != EmptySquare) {
7314 EditPositionMenuEvent(pieceSweep, toX, toY);
7315 pieceSweep = EmptySquare;
7316 } else UnLoadPV(); // [HGM] pv
7318 if (action != Press) return -2; // return code to be ignored
7321 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7323 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7324 if (xSqr < 0 || ySqr < 0) return -1;
7325 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7326 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7327 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7328 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7332 if(!appData.icsEngineAnalyze) return -1;
7333 case IcsPlayingWhite:
7334 case IcsPlayingBlack:
7335 if(!appData.zippyPlay) goto noZip;
7338 case MachinePlaysWhite:
7339 case MachinePlaysBlack:
7340 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7341 if (!appData.dropMenu) {
7343 return 2; // flag front-end to grab mouse events
7345 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7346 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7349 if (xSqr < 0 || ySqr < 0) return -1;
7350 if (!appData.dropMenu || appData.testLegality &&
7351 gameInfo.variant != VariantBughouse &&
7352 gameInfo.variant != VariantCrazyhouse) return -1;
7353 whichMenu = 1; // drop menu
7359 if (((*fromX = xSqr) < 0) ||
7360 ((*fromY = ySqr) < 0)) {
7361 *fromX = *fromY = -1;
7365 *fromX = BOARD_WIDTH - 1 - *fromX;
7367 *fromY = BOARD_HEIGHT - 1 - *fromY;
7373 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7375 // char * hint = lastHint;
7376 FrontEndProgramStats stats;
7378 stats.which = cps == &first ? 0 : 1;
7379 stats.depth = cpstats->depth;
7380 stats.nodes = cpstats->nodes;
7381 stats.score = cpstats->score;
7382 stats.time = cpstats->time;
7383 stats.pv = cpstats->movelist;
7384 stats.hint = lastHint;
7385 stats.an_move_index = 0;
7386 stats.an_move_count = 0;
7388 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7389 stats.hint = cpstats->move_name;
7390 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7391 stats.an_move_count = cpstats->nr_moves;
7394 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
7396 SetProgramStats( &stats );
7400 ClearEngineOutputPane (int which)
7402 static FrontEndProgramStats dummyStats;
7403 dummyStats.which = which;
7404 dummyStats.pv = "#";
7405 SetProgramStats( &dummyStats );
7408 #define MAXPLAYERS 500
7411 TourneyStandings (int display)
7413 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7414 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7415 char result, *p, *names[MAXPLAYERS];
7417 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7418 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7419 names[0] = p = strdup(appData.participants);
7420 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7422 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7424 while(result = appData.results[nr]) {
7425 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7426 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7427 wScore = bScore = 0;
7429 case '+': wScore = 2; break;
7430 case '-': bScore = 2; break;
7431 case '=': wScore = bScore = 1; break;
7433 case '*': return strdup("busy"); // tourney not finished
7441 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7442 for(w=0; w<nPlayers; w++) {
7444 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7445 ranking[w] = b; points[w] = bScore; score[b] = -2;
7447 p = malloc(nPlayers*34+1);
7448 for(w=0; w<nPlayers && w<display; w++)
7449 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7455 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7456 { // count all piece types
7458 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7459 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7460 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7463 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7464 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7465 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7466 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7467 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7468 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7473 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7475 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7476 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7478 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7479 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7480 if(myPawns == 2 && nMine == 3) // KPP
7481 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7482 if(myPawns == 1 && nMine == 2) // KP
7483 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7484 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7485 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7486 if(myPawns) return FALSE;
7487 if(pCnt[WhiteRook+side])
7488 return pCnt[BlackRook-side] ||
7489 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7490 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7491 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7492 if(pCnt[WhiteCannon+side]) {
7493 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7494 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7496 if(pCnt[WhiteKnight+side])
7497 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7502 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7504 VariantClass v = gameInfo.variant;
7506 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7507 if(v == VariantShatranj) return TRUE; // always winnable through baring
7508 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7509 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7511 if(v == VariantXiangqi) {
7512 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7514 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7515 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7516 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7517 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7518 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7519 if(stale) // we have at least one last-rank P plus perhaps C
7520 return majors // KPKX
7521 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7523 return pCnt[WhiteFerz+side] // KCAK
7524 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7525 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7526 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7528 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7529 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7531 if(nMine == 1) return FALSE; // bare King
7532 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
7533 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7534 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7535 // by now we have King + 1 piece (or multiple Bishops on the same color)
7536 if(pCnt[WhiteKnight+side])
7537 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7538 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7539 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7541 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7542 if(pCnt[WhiteAlfil+side])
7543 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7544 if(pCnt[WhiteWazir+side])
7545 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7552 CompareWithRights (Board b1, Board b2)
7555 if(!CompareBoards(b1, b2)) return FALSE;
7556 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7557 /* compare castling rights */
7558 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7559 rights++; /* King lost rights, while rook still had them */
7560 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7561 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7562 rights++; /* but at least one rook lost them */
7564 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7566 if( b1[CASTLING][5] != NoRights ) {
7567 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7574 Adjudicate (ChessProgramState *cps)
7575 { // [HGM] some adjudications useful with buggy engines
7576 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7577 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7578 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7579 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7580 int k, count = 0; static int bare = 1;
7581 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7582 Boolean canAdjudicate = !appData.icsActive;
7584 // most tests only when we understand the game, i.e. legality-checking on
7585 if( appData.testLegality )
7586 { /* [HGM] Some more adjudications for obstinate engines */
7587 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7588 static int moveCount = 6;
7590 char *reason = NULL;
7592 /* Count what is on board. */
7593 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7595 /* Some material-based adjudications that have to be made before stalemate test */
7596 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7597 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7598 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7599 if(canAdjudicate && appData.checkMates) {
7601 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7602 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7603 "Xboard adjudication: King destroyed", GE_XBOARD );
7608 /* Bare King in Shatranj (loses) or Losers (wins) */
7609 if( nrW == 1 || nrB == 1) {
7610 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7611 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7612 if(canAdjudicate && appData.checkMates) {
7614 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7615 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7616 "Xboard adjudication: Bare king", GE_XBOARD );
7620 if( gameInfo.variant == VariantShatranj && --bare < 0)
7622 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7623 if(canAdjudicate && appData.checkMates) {
7624 /* but only adjudicate if adjudication enabled */
7626 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7627 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7628 "Xboard adjudication: Bare king", GE_XBOARD );
7635 // don't wait for engine to announce game end if we can judge ourselves
7636 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7638 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7639 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7640 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7641 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7644 reason = "Xboard adjudication: 3rd check";
7645 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7655 reason = "Xboard adjudication: Stalemate";
7656 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7657 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7658 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7659 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7660 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7661 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7662 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7663 EP_CHECKMATE : EP_WINS);
7664 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7665 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7669 reason = "Xboard adjudication: Checkmate";
7670 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7674 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7676 result = GameIsDrawn; break;
7678 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7680 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7684 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7686 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7687 GameEnds( result, reason, GE_XBOARD );
7691 /* Next absolutely insufficient mating material. */
7692 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7693 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7694 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7696 /* always flag draws, for judging claims */
7697 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7699 if(canAdjudicate && appData.materialDraws) {
7700 /* but only adjudicate them if adjudication enabled */
7701 if(engineOpponent) {
7702 SendToProgram("force\n", engineOpponent); // suppress reply
7703 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7705 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7710 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7711 if(gameInfo.variant == VariantXiangqi ?
7712 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7714 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7715 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7716 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7717 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7719 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7720 { /* if the first 3 moves do not show a tactical win, declare draw */
7721 if(engineOpponent) {
7722 SendToProgram("force\n", engineOpponent); // suppress reply
7723 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7725 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7728 } else moveCount = 6;
7731 // Repetition draws and 50-move rule can be applied independently of legality testing
7733 /* Check for rep-draws */
7735 for(k = forwardMostMove-2;
7736 k>=backwardMostMove && k>=forwardMostMove-100 &&
7737 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7738 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7741 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7742 /* compare castling rights */
7743 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7744 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7745 rights++; /* King lost rights, while rook still had them */
7746 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7747 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7748 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7749 rights++; /* but at least one rook lost them */
7751 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7752 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7754 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7755 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7756 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7759 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7760 && appData.drawRepeats > 1) {
7761 /* adjudicate after user-specified nr of repeats */
7762 int result = GameIsDrawn;
7763 char *details = "XBoard adjudication: repetition draw";
7764 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7765 // [HGM] xiangqi: check for forbidden perpetuals
7766 int m, ourPerpetual = 1, hisPerpetual = 1;
7767 for(m=forwardMostMove; m>k; m-=2) {
7768 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7769 ourPerpetual = 0; // the current mover did not always check
7770 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7771 hisPerpetual = 0; // the opponent did not always check
7773 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7774 ourPerpetual, hisPerpetual);
7775 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7776 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7777 details = "Xboard adjudication: perpetual checking";
7779 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7780 break; // (or we would have caught him before). Abort repetition-checking loop.
7782 // Now check for perpetual chases
7783 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7784 hisPerpetual = PerpetualChase(k, forwardMostMove);
7785 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7786 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7787 static char resdet[MSG_SIZ];
7788 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7790 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7792 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7793 break; // Abort repetition-checking loop.
7795 // if neither of us is checking or chasing all the time, or both are, it is draw
7797 if(engineOpponent) {
7798 SendToProgram("force\n", engineOpponent); // suppress reply
7799 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7801 GameEnds( result, details, GE_XBOARD );
7804 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7805 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7809 /* Now we test for 50-move draws. Determine ply count */
7810 count = forwardMostMove;
7811 /* look for last irreversble move */
7812 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7814 /* if we hit starting position, add initial plies */
7815 if( count == backwardMostMove )
7816 count -= initialRulePlies;
7817 count = forwardMostMove - count;
7818 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7819 // adjust reversible move counter for checks in Xiangqi
7820 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7821 if(i < backwardMostMove) i = backwardMostMove;
7822 while(i <= forwardMostMove) {
7823 lastCheck = inCheck; // check evasion does not count
7824 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7825 if(inCheck || lastCheck) count--; // check does not count
7830 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7831 /* this is used to judge if draw claims are legal */
7832 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7833 if(engineOpponent) {
7834 SendToProgram("force\n", engineOpponent); // suppress reply
7835 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7837 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7841 /* if draw offer is pending, treat it as a draw claim
7842 * when draw condition present, to allow engines a way to
7843 * claim draws before making their move to avoid a race
7844 * condition occurring after their move
7846 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7848 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7849 p = "Draw claim: 50-move rule";
7850 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7851 p = "Draw claim: 3-fold repetition";
7852 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7853 p = "Draw claim: insufficient mating material";
7854 if( p != NULL && canAdjudicate) {
7855 if(engineOpponent) {
7856 SendToProgram("force\n", engineOpponent); // suppress reply
7857 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7859 GameEnds( GameIsDrawn, p, GE_XBOARD );
7864 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7865 if(engineOpponent) {
7866 SendToProgram("force\n", engineOpponent); // suppress reply
7867 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7869 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7876 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7877 { // [HGM] book: this routine intercepts moves to simulate book replies
7878 char *bookHit = NULL;
7880 //first determine if the incoming move brings opponent into his book
7881 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7882 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7883 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7884 if(bookHit != NULL && !cps->bookSuspend) {
7885 // make sure opponent is not going to reply after receiving move to book position
7886 SendToProgram("force\n", cps);
7887 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7889 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7890 // now arrange restart after book miss
7892 // after a book hit we never send 'go', and the code after the call to this routine
7893 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7894 char buf[MSG_SIZ], *move = bookHit;
7896 int fromX, fromY, toX, toY;
7900 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7901 &fromX, &fromY, &toX, &toY, &promoChar)) {
7902 (void) CoordsToAlgebraic(boards[forwardMostMove],
7903 PosFlags(forwardMostMove),
7904 fromY, fromX, toY, toX, promoChar, move);
7906 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7910 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7911 SendToProgram(buf, cps);
7912 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7913 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7914 SendToProgram("go\n", cps);
7915 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7916 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7917 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7918 SendToProgram("go\n", cps);
7919 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7921 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7925 LoadError (char *errmess, ChessProgramState *cps)
7926 { // unloads engine and switches back to -ncp mode if it was first
7927 if(cps->initDone) return FALSE;
7928 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7929 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7932 appData.noChessProgram = TRUE;
7933 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7934 gameMode = BeginningOfGame; ModeHighlight();
7937 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7938 DisplayMessage("", ""); // erase waiting message
7939 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7944 ChessProgramState *savedState;
7946 DeferredBookMove (void)
7948 if(savedState->lastPing != savedState->lastPong)
7949 ScheduleDelayedEvent(DeferredBookMove, 10);
7951 HandleMachineMove(savedMessage, savedState);
7954 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7957 HandleMachineMove (char *message, ChessProgramState *cps)
7959 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7960 char realname[MSG_SIZ];
7961 int fromX, fromY, toX, toY;
7965 int machineWhite, oldError;
7968 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7969 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7970 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7971 DisplayError(_("Invalid pairing from pairing engine"), 0);
7974 pairingReceived = 1;
7976 return; // Skim the pairing messages here.
7979 oldError = cps->userError; cps->userError = 0;
7981 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7983 * Kludge to ignore BEL characters
7985 while (*message == '\007') message++;
7988 * [HGM] engine debug message: ignore lines starting with '#' character
7990 if(cps->debug && *message == '#') return;
7993 * Look for book output
7995 if (cps == &first && bookRequested) {
7996 if (message[0] == '\t' || message[0] == ' ') {
7997 /* Part of the book output is here; append it */
7998 strcat(bookOutput, message);
7999 strcat(bookOutput, " \n");
8001 } else if (bookOutput[0] != NULLCHAR) {
8002 /* All of book output has arrived; display it */
8003 char *p = bookOutput;
8004 while (*p != NULLCHAR) {
8005 if (*p == '\t') *p = ' ';
8008 DisplayInformation(bookOutput);
8009 bookRequested = FALSE;
8010 /* Fall through to parse the current output */
8015 * Look for machine move.
8017 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8018 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8020 /* This method is only useful on engines that support ping */
8021 if (cps->lastPing != cps->lastPong) {
8022 if (gameMode == BeginningOfGame) {
8023 /* Extra move from before last new; ignore */
8024 if (appData.debugMode) {
8025 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8028 if (appData.debugMode) {
8029 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8030 cps->which, gameMode);
8033 SendToProgram("undo\n", cps);
8039 case BeginningOfGame:
8040 /* Extra move from before last reset; ignore */
8041 if (appData.debugMode) {
8042 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8049 /* Extra move after we tried to stop. The mode test is
8050 not a reliable way of detecting this problem, but it's
8051 the best we can do on engines that don't support ping.
8053 if (appData.debugMode) {
8054 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8055 cps->which, gameMode);
8057 SendToProgram("undo\n", cps);
8060 case MachinePlaysWhite:
8061 case IcsPlayingWhite:
8062 machineWhite = TRUE;
8065 case MachinePlaysBlack:
8066 case IcsPlayingBlack:
8067 machineWhite = FALSE;
8070 case TwoMachinesPlay:
8071 machineWhite = (cps->twoMachinesColor[0] == 'w');
8074 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8075 if (appData.debugMode) {
8077 "Ignoring move out of turn by %s, gameMode %d"
8078 ", forwardMost %d\n",
8079 cps->which, gameMode, forwardMostMove);
8084 if(cps->alphaRank) AlphaRank(machineMove, 4);
8085 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8086 &fromX, &fromY, &toX, &toY, &promoChar)) {
8087 /* Machine move could not be parsed; ignore it. */
8088 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8089 machineMove, _(cps->which));
8090 DisplayError(buf1, 0);
8091 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8092 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8093 if (gameMode == TwoMachinesPlay) {
8094 GameEnds(machineWhite ? BlackWins : WhiteWins,
8100 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8101 /* So we have to redo legality test with true e.p. status here, */
8102 /* to make sure an illegal e.p. capture does not slip through, */
8103 /* to cause a forfeit on a justified illegal-move complaint */
8104 /* of the opponent. */
8105 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8107 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8108 fromY, fromX, toY, toX, promoChar);
8109 if(moveType == IllegalMove) {
8110 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8111 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8112 GameEnds(machineWhite ? BlackWins : WhiteWins,
8115 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8116 /* [HGM] Kludge to handle engines that send FRC-style castling
8117 when they shouldn't (like TSCP-Gothic) */
8119 case WhiteASideCastleFR:
8120 case BlackASideCastleFR:
8122 currentMoveString[2]++;
8124 case WhiteHSideCastleFR:
8125 case BlackHSideCastleFR:
8127 currentMoveString[2]--;
8129 default: ; // nothing to do, but suppresses warning of pedantic compilers
8132 hintRequested = FALSE;
8133 lastHint[0] = NULLCHAR;
8134 bookRequested = FALSE;
8135 /* Program may be pondering now */
8136 cps->maybeThinking = TRUE;
8137 if (cps->sendTime == 2) cps->sendTime = 1;
8138 if (cps->offeredDraw) cps->offeredDraw--;
8140 /* [AS] Save move info*/
8141 pvInfoList[ forwardMostMove ].score = programStats.score;
8142 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8143 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8145 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8147 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8148 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8151 while( count < adjudicateLossPlies ) {
8152 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8155 score = -score; /* Flip score for winning side */
8158 if( score > adjudicateLossThreshold ) {
8165 if( count >= adjudicateLossPlies ) {
8166 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8168 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8169 "Xboard adjudication",
8176 if(Adjudicate(cps)) {
8177 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8178 return; // [HGM] adjudicate: for all automatic game ends
8182 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8184 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8185 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8187 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8189 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8191 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8192 char buf[3*MSG_SIZ];
8194 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8195 programStats.score / 100.,
8197 programStats.time / 100.,
8198 (unsigned int)programStats.nodes,
8199 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8200 programStats.movelist);
8202 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8207 /* [AS] Clear stats for next move */
8208 ClearProgramStats();
8209 thinkOutput[0] = NULLCHAR;
8210 hiddenThinkOutputState = 0;
8213 if (gameMode == TwoMachinesPlay) {
8214 /* [HGM] relaying draw offers moved to after reception of move */
8215 /* and interpreting offer as claim if it brings draw condition */
8216 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8217 SendToProgram("draw\n", cps->other);
8219 if (cps->other->sendTime) {
8220 SendTimeRemaining(cps->other,
8221 cps->other->twoMachinesColor[0] == 'w');
8223 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8224 if (firstMove && !bookHit) {
8226 if (cps->other->useColors) {
8227 SendToProgram(cps->other->twoMachinesColor, cps->other);
8229 SendToProgram("go\n", cps->other);
8231 cps->other->maybeThinking = TRUE;
8234 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8236 if (!pausing && appData.ringBellAfterMoves) {
8241 * Reenable menu items that were disabled while
8242 * machine was thinking
8244 if (gameMode != TwoMachinesPlay)
8245 SetUserThinkingEnables();
8247 // [HGM] book: after book hit opponent has received move and is now in force mode
8248 // force the book reply into it, and then fake that it outputted this move by jumping
8249 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8251 static char bookMove[MSG_SIZ]; // a bit generous?
8253 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8254 strcat(bookMove, bookHit);
8257 programStats.nodes = programStats.depth = programStats.time =
8258 programStats.score = programStats.got_only_move = 0;
8259 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8261 if(cps->lastPing != cps->lastPong) {
8262 savedMessage = message; // args for deferred call
8264 ScheduleDelayedEvent(DeferredBookMove, 10);
8273 /* Set special modes for chess engines. Later something general
8274 * could be added here; for now there is just one kludge feature,
8275 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8276 * when "xboard" is given as an interactive command.
8278 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8279 cps->useSigint = FALSE;
8280 cps->useSigterm = FALSE;
8282 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8283 ParseFeatures(message+8, cps);
8284 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8287 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8288 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8289 int dummy, s=6; char buf[MSG_SIZ];
8290 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8291 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8292 if(startedFromSetupPosition) return;
8293 ParseFEN(boards[0], &dummy, message+s);
8294 DrawPosition(TRUE, boards[0]);
8295 startedFromSetupPosition = TRUE;
8298 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8299 * want this, I was asked to put it in, and obliged.
8301 if (!strncmp(message, "setboard ", 9)) {
8302 Board initial_position;
8304 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8306 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8307 DisplayError(_("Bad FEN received from engine"), 0);
8311 CopyBoard(boards[0], initial_position);
8312 initialRulePlies = FENrulePlies;
8313 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8314 else gameMode = MachinePlaysBlack;
8315 DrawPosition(FALSE, boards[currentMove]);
8321 * Look for communication commands
8323 if (!strncmp(message, "telluser ", 9)) {
8324 if(message[9] == '\\' && message[10] == '\\')
8325 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8327 DisplayNote(message + 9);
8330 if (!strncmp(message, "tellusererror ", 14)) {
8332 if(message[14] == '\\' && message[15] == '\\')
8333 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8335 DisplayError(message + 14, 0);
8338 if (!strncmp(message, "tellopponent ", 13)) {
8339 if (appData.icsActive) {
8341 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8345 DisplayNote(message + 13);
8349 if (!strncmp(message, "tellothers ", 11)) {
8350 if (appData.icsActive) {
8352 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8358 if (!strncmp(message, "tellall ", 8)) {
8359 if (appData.icsActive) {
8361 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8365 DisplayNote(message + 8);
8369 if (strncmp(message, "warning", 7) == 0) {
8370 /* Undocumented feature, use tellusererror in new code */
8371 DisplayError(message, 0);
8374 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8375 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8376 strcat(realname, " query");
8377 AskQuestion(realname, buf2, buf1, cps->pr);
8380 /* Commands from the engine directly to ICS. We don't allow these to be
8381 * sent until we are logged on. Crafty kibitzes have been known to
8382 * interfere with the login process.
8385 if (!strncmp(message, "tellics ", 8)) {
8386 SendToICS(message + 8);
8390 if (!strncmp(message, "tellicsnoalias ", 15)) {
8391 SendToICS(ics_prefix);
8392 SendToICS(message + 15);
8396 /* The following are for backward compatibility only */
8397 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8398 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8399 SendToICS(ics_prefix);
8405 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8409 * If the move is illegal, cancel it and redraw the board.
8410 * Also deal with other error cases. Matching is rather loose
8411 * here to accommodate engines written before the spec.
8413 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8414 strncmp(message, "Error", 5) == 0) {
8415 if (StrStr(message, "name") ||
8416 StrStr(message, "rating") || StrStr(message, "?") ||
8417 StrStr(message, "result") || StrStr(message, "board") ||
8418 StrStr(message, "bk") || StrStr(message, "computer") ||
8419 StrStr(message, "variant") || StrStr(message, "hint") ||
8420 StrStr(message, "random") || StrStr(message, "depth") ||
8421 StrStr(message, "accepted")) {
8424 if (StrStr(message, "protover")) {
8425 /* Program is responding to input, so it's apparently done
8426 initializing, and this error message indicates it is
8427 protocol version 1. So we don't need to wait any longer
8428 for it to initialize and send feature commands. */
8429 FeatureDone(cps, 1);
8430 cps->protocolVersion = 1;
8433 cps->maybeThinking = FALSE;
8435 if (StrStr(message, "draw")) {
8436 /* Program doesn't have "draw" command */
8437 cps->sendDrawOffers = 0;
8440 if (cps->sendTime != 1 &&
8441 (StrStr(message, "time") || StrStr(message, "otim"))) {
8442 /* Program apparently doesn't have "time" or "otim" command */
8446 if (StrStr(message, "analyze")) {
8447 cps->analysisSupport = FALSE;
8448 cps->analyzing = FALSE;
8449 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8450 EditGameEvent(); // [HGM] try to preserve loaded game
8451 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8452 DisplayError(buf2, 0);
8455 if (StrStr(message, "(no matching move)st")) {
8456 /* Special kludge for GNU Chess 4 only */
8457 cps->stKludge = TRUE;
8458 SendTimeControl(cps, movesPerSession, timeControl,
8459 timeIncrement, appData.searchDepth,
8463 if (StrStr(message, "(no matching move)sd")) {
8464 /* Special kludge for GNU Chess 4 only */
8465 cps->sdKludge = TRUE;
8466 SendTimeControl(cps, movesPerSession, timeControl,
8467 timeIncrement, appData.searchDepth,
8471 if (!StrStr(message, "llegal")) {
8474 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8475 gameMode == IcsIdle) return;
8476 if (forwardMostMove <= backwardMostMove) return;
8477 if (pausing) PauseEvent();
8478 if(appData.forceIllegal) {
8479 // [HGM] illegal: machine refused move; force position after move into it
8480 SendToProgram("force\n", cps);
8481 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8482 // we have a real problem now, as SendBoard will use the a2a3 kludge
8483 // when black is to move, while there might be nothing on a2 or black
8484 // might already have the move. So send the board as if white has the move.
8485 // But first we must change the stm of the engine, as it refused the last move
8486 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8487 if(WhiteOnMove(forwardMostMove)) {
8488 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8489 SendBoard(cps, forwardMostMove); // kludgeless board
8491 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8492 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8493 SendBoard(cps, forwardMostMove+1); // kludgeless board
8495 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8496 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8497 gameMode == TwoMachinesPlay)
8498 SendToProgram("go\n", cps);
8501 if (gameMode == PlayFromGameFile) {
8502 /* Stop reading this game file */
8503 gameMode = EditGame;
8506 /* [HGM] illegal-move claim should forfeit game when Xboard */
8507 /* only passes fully legal moves */
8508 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8509 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8510 "False illegal-move claim", GE_XBOARD );
8511 return; // do not take back move we tested as valid
8513 currentMove = forwardMostMove-1;
8514 DisplayMove(currentMove-1); /* before DisplayMoveError */
8515 SwitchClocks(forwardMostMove-1); // [HGM] race
8516 DisplayBothClocks();
8517 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8518 parseList[currentMove], _(cps->which));
8519 DisplayMoveError(buf1);
8520 DrawPosition(FALSE, boards[currentMove]);
8522 SetUserThinkingEnables();
8525 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8526 /* Program has a broken "time" command that
8527 outputs a string not ending in newline.
8533 * If chess program startup fails, exit with an error message.
8534 * Attempts to recover here are futile. [HGM] Well, we try anyway
8536 if ((StrStr(message, "unknown host") != NULL)
8537 || (StrStr(message, "No remote directory") != NULL)
8538 || (StrStr(message, "not found") != NULL)
8539 || (StrStr(message, "No such file") != NULL)
8540 || (StrStr(message, "can't alloc") != NULL)
8541 || (StrStr(message, "Permission denied") != NULL)) {
8543 cps->maybeThinking = FALSE;
8544 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8545 _(cps->which), cps->program, cps->host, message);
8546 RemoveInputSource(cps->isr);
8547 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8548 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8549 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8555 * Look for hint output
8557 if (sscanf(message, "Hint: %s", buf1) == 1) {
8558 if (cps == &first && hintRequested) {
8559 hintRequested = FALSE;
8560 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8561 &fromX, &fromY, &toX, &toY, &promoChar)) {
8562 (void) CoordsToAlgebraic(boards[forwardMostMove],
8563 PosFlags(forwardMostMove),
8564 fromY, fromX, toY, toX, promoChar, buf1);
8565 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8566 DisplayInformation(buf2);
8568 /* Hint move could not be parsed!? */
8569 snprintf(buf2, sizeof(buf2),
8570 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8571 buf1, _(cps->which));
8572 DisplayError(buf2, 0);
8575 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8581 * Ignore other messages if game is not in progress
8583 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8584 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8587 * look for win, lose, draw, or draw offer
8589 if (strncmp(message, "1-0", 3) == 0) {
8590 char *p, *q, *r = "";
8591 p = strchr(message, '{');
8599 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8601 } else if (strncmp(message, "0-1", 3) == 0) {
8602 char *p, *q, *r = "";
8603 p = strchr(message, '{');
8611 /* Kludge for Arasan 4.1 bug */
8612 if (strcmp(r, "Black resigns") == 0) {
8613 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8616 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8618 } else if (strncmp(message, "1/2", 3) == 0) {
8619 char *p, *q, *r = "";
8620 p = strchr(message, '{');
8629 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8632 } else if (strncmp(message, "White resign", 12) == 0) {
8633 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8635 } else if (strncmp(message, "Black resign", 12) == 0) {
8636 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8638 } else if (strncmp(message, "White matches", 13) == 0 ||
8639 strncmp(message, "Black matches", 13) == 0 ) {
8640 /* [HGM] ignore GNUShogi noises */
8642 } else if (strncmp(message, "White", 5) == 0 &&
8643 message[5] != '(' &&
8644 StrStr(message, "Black") == NULL) {
8645 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8647 } else if (strncmp(message, "Black", 5) == 0 &&
8648 message[5] != '(') {
8649 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8651 } else if (strcmp(message, "resign") == 0 ||
8652 strcmp(message, "computer resigns") == 0) {
8654 case MachinePlaysBlack:
8655 case IcsPlayingBlack:
8656 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8658 case MachinePlaysWhite:
8659 case IcsPlayingWhite:
8660 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8662 case TwoMachinesPlay:
8663 if (cps->twoMachinesColor[0] == 'w')
8664 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8666 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8673 } else if (strncmp(message, "opponent mates", 14) == 0) {
8675 case MachinePlaysBlack:
8676 case IcsPlayingBlack:
8677 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8679 case MachinePlaysWhite:
8680 case IcsPlayingWhite:
8681 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8683 case TwoMachinesPlay:
8684 if (cps->twoMachinesColor[0] == 'w')
8685 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8687 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8694 } else if (strncmp(message, "computer mates", 14) == 0) {
8696 case MachinePlaysBlack:
8697 case IcsPlayingBlack:
8698 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8700 case MachinePlaysWhite:
8701 case IcsPlayingWhite:
8702 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8704 case TwoMachinesPlay:
8705 if (cps->twoMachinesColor[0] == 'w')
8706 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8708 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8715 } else if (strncmp(message, "checkmate", 9) == 0) {
8716 if (WhiteOnMove(forwardMostMove)) {
8717 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8719 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8722 } else if (strstr(message, "Draw") != NULL ||
8723 strstr(message, "game is a draw") != NULL) {
8724 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8726 } else if (strstr(message, "offer") != NULL &&
8727 strstr(message, "draw") != NULL) {
8729 if (appData.zippyPlay && first.initDone) {
8730 /* Relay offer to ICS */
8731 SendToICS(ics_prefix);
8732 SendToICS("draw\n");
8735 cps->offeredDraw = 2; /* valid until this engine moves twice */
8736 if (gameMode == TwoMachinesPlay) {
8737 if (cps->other->offeredDraw) {
8738 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8739 /* [HGM] in two-machine mode we delay relaying draw offer */
8740 /* until after we also have move, to see if it is really claim */
8742 } else if (gameMode == MachinePlaysWhite ||
8743 gameMode == MachinePlaysBlack) {
8744 if (userOfferedDraw) {
8745 DisplayInformation(_("Machine accepts your draw offer"));
8746 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8748 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8755 * Look for thinking output
8757 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8758 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8760 int plylev, mvleft, mvtot, curscore, time;
8761 char mvname[MOVE_LEN];
8765 int prefixHint = FALSE;
8766 mvname[0] = NULLCHAR;
8769 case MachinePlaysBlack:
8770 case IcsPlayingBlack:
8771 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8773 case MachinePlaysWhite:
8774 case IcsPlayingWhite:
8775 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8780 case IcsObserving: /* [DM] icsEngineAnalyze */
8781 if (!appData.icsEngineAnalyze) ignore = TRUE;
8783 case TwoMachinesPlay:
8784 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8794 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8796 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8797 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8799 if (plyext != ' ' && plyext != '\t') {
8803 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8804 if( cps->scoreIsAbsolute &&
8805 ( gameMode == MachinePlaysBlack ||
8806 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8807 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8808 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8809 !WhiteOnMove(currentMove)
8812 curscore = -curscore;
8815 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8817 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8820 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8821 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8822 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8823 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8824 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8825 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8827 } else DisplayError(_("failed writing PV"), 0);
8830 tempStats.depth = plylev;
8831 tempStats.nodes = nodes;
8832 tempStats.time = time;
8833 tempStats.score = curscore;
8834 tempStats.got_only_move = 0;
8836 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8839 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8840 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8841 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8842 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8843 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8844 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8845 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8846 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8849 /* Buffer overflow protection */
8850 if (pv[0] != NULLCHAR) {
8851 if (strlen(pv) >= sizeof(tempStats.movelist)
8852 && appData.debugMode) {
8854 "PV is too long; using the first %u bytes.\n",
8855 (unsigned) sizeof(tempStats.movelist) - 1);
8858 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8860 sprintf(tempStats.movelist, " no PV\n");
8863 if (tempStats.seen_stat) {
8864 tempStats.ok_to_send = 1;
8867 if (strchr(tempStats.movelist, '(') != NULL) {
8868 tempStats.line_is_book = 1;
8869 tempStats.nr_moves = 0;
8870 tempStats.moves_left = 0;
8872 tempStats.line_is_book = 0;
8875 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8876 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8878 SendProgramStatsToFrontend( cps, &tempStats );
8881 [AS] Protect the thinkOutput buffer from overflow... this
8882 is only useful if buf1 hasn't overflowed first!
8884 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8886 (gameMode == TwoMachinesPlay ?
8887 ToUpper(cps->twoMachinesColor[0]) : ' '),
8888 ((double) curscore) / 100.0,
8889 prefixHint ? lastHint : "",
8890 prefixHint ? " " : "" );
8892 if( buf1[0] != NULLCHAR ) {
8893 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8895 if( strlen(pv) > max_len ) {
8896 if( appData.debugMode) {
8897 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8899 pv[max_len+1] = '\0';
8902 strcat( thinkOutput, pv);
8905 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8906 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8907 DisplayMove(currentMove - 1);
8911 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8912 /* crafty (9.25+) says "(only move) <move>"
8913 * if there is only 1 legal move
8915 sscanf(p, "(only move) %s", buf1);
8916 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8917 sprintf(programStats.movelist, "%s (only move)", buf1);
8918 programStats.depth = 1;
8919 programStats.nr_moves = 1;
8920 programStats.moves_left = 1;
8921 programStats.nodes = 1;
8922 programStats.time = 1;
8923 programStats.got_only_move = 1;
8925 /* Not really, but we also use this member to
8926 mean "line isn't going to change" (Crafty
8927 isn't searching, so stats won't change) */
8928 programStats.line_is_book = 1;
8930 SendProgramStatsToFrontend( cps, &programStats );
8932 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8933 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8934 DisplayMove(currentMove - 1);
8937 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8938 &time, &nodes, &plylev, &mvleft,
8939 &mvtot, mvname) >= 5) {
8940 /* The stat01: line is from Crafty (9.29+) in response
8941 to the "." command */
8942 programStats.seen_stat = 1;
8943 cps->maybeThinking = TRUE;
8945 if (programStats.got_only_move || !appData.periodicUpdates)
8948 programStats.depth = plylev;
8949 programStats.time = time;
8950 programStats.nodes = nodes;
8951 programStats.moves_left = mvleft;
8952 programStats.nr_moves = mvtot;
8953 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8954 programStats.ok_to_send = 1;
8955 programStats.movelist[0] = '\0';
8957 SendProgramStatsToFrontend( cps, &programStats );
8961 } else if (strncmp(message,"++",2) == 0) {
8962 /* Crafty 9.29+ outputs this */
8963 programStats.got_fail = 2;
8966 } else if (strncmp(message,"--",2) == 0) {
8967 /* Crafty 9.29+ outputs this */
8968 programStats.got_fail = 1;
8971 } else if (thinkOutput[0] != NULLCHAR &&
8972 strncmp(message, " ", 4) == 0) {
8973 unsigned message_len;
8976 while (*p && *p == ' ') p++;
8978 message_len = strlen( p );
8980 /* [AS] Avoid buffer overflow */
8981 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8982 strcat(thinkOutput, " ");
8983 strcat(thinkOutput, p);
8986 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8987 strcat(programStats.movelist, " ");
8988 strcat(programStats.movelist, p);
8991 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8992 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8993 DisplayMove(currentMove - 1);
9001 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9002 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9004 ChessProgramStats cpstats;
9006 if (plyext != ' ' && plyext != '\t') {
9010 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9011 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9012 curscore = -curscore;
9015 cpstats.depth = plylev;
9016 cpstats.nodes = nodes;
9017 cpstats.time = time;
9018 cpstats.score = curscore;
9019 cpstats.got_only_move = 0;
9020 cpstats.movelist[0] = '\0';
9022 if (buf1[0] != NULLCHAR) {
9023 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9026 cpstats.ok_to_send = 0;
9027 cpstats.line_is_book = 0;
9028 cpstats.nr_moves = 0;
9029 cpstats.moves_left = 0;
9031 SendProgramStatsToFrontend( cps, &cpstats );
9038 /* Parse a game score from the character string "game", and
9039 record it as the history of the current game. The game
9040 score is NOT assumed to start from the standard position.
9041 The display is not updated in any way.
9044 ParseGameHistory (char *game)
9047 int fromX, fromY, toX, toY, boardIndex;
9052 if (appData.debugMode)
9053 fprintf(debugFP, "Parsing game history: %s\n", game);
9055 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9056 gameInfo.site = StrSave(appData.icsHost);
9057 gameInfo.date = PGNDate();
9058 gameInfo.round = StrSave("-");
9060 /* Parse out names of players */
9061 while (*game == ' ') game++;
9063 while (*game != ' ') *p++ = *game++;
9065 gameInfo.white = StrSave(buf);
9066 while (*game == ' ') game++;
9068 while (*game != ' ' && *game != '\n') *p++ = *game++;
9070 gameInfo.black = StrSave(buf);
9073 boardIndex = blackPlaysFirst ? 1 : 0;
9076 yyboardindex = boardIndex;
9077 moveType = (ChessMove) Myylex();
9079 case IllegalMove: /* maybe suicide chess, etc. */
9080 if (appData.debugMode) {
9081 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9082 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9083 setbuf(debugFP, NULL);
9085 case WhitePromotion:
9086 case BlackPromotion:
9087 case WhiteNonPromotion:
9088 case BlackNonPromotion:
9090 case WhiteCapturesEnPassant:
9091 case BlackCapturesEnPassant:
9092 case WhiteKingSideCastle:
9093 case WhiteQueenSideCastle:
9094 case BlackKingSideCastle:
9095 case BlackQueenSideCastle:
9096 case WhiteKingSideCastleWild:
9097 case WhiteQueenSideCastleWild:
9098 case BlackKingSideCastleWild:
9099 case BlackQueenSideCastleWild:
9101 case WhiteHSideCastleFR:
9102 case WhiteASideCastleFR:
9103 case BlackHSideCastleFR:
9104 case BlackASideCastleFR:
9106 fromX = currentMoveString[0] - AAA;
9107 fromY = currentMoveString[1] - ONE;
9108 toX = currentMoveString[2] - AAA;
9109 toY = currentMoveString[3] - ONE;
9110 promoChar = currentMoveString[4];
9114 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9115 fromX = moveType == WhiteDrop ?
9116 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9117 (int) CharToPiece(ToLower(currentMoveString[0]));
9119 toX = currentMoveString[2] - AAA;
9120 toY = currentMoveString[3] - ONE;
9121 promoChar = NULLCHAR;
9125 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9126 if (appData.debugMode) {
9127 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9128 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9129 setbuf(debugFP, NULL);
9131 DisplayError(buf, 0);
9133 case ImpossibleMove:
9135 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9136 if (appData.debugMode) {
9137 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9138 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9139 setbuf(debugFP, NULL);
9141 DisplayError(buf, 0);
9144 if (boardIndex < backwardMostMove) {
9145 /* Oops, gap. How did that happen? */
9146 DisplayError(_("Gap in move list"), 0);
9149 backwardMostMove = blackPlaysFirst ? 1 : 0;
9150 if (boardIndex > forwardMostMove) {
9151 forwardMostMove = boardIndex;
9155 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9156 strcat(parseList[boardIndex-1], " ");
9157 strcat(parseList[boardIndex-1], yy_text);
9169 case GameUnfinished:
9170 if (gameMode == IcsExamining) {
9171 if (boardIndex < backwardMostMove) {
9172 /* Oops, gap. How did that happen? */
9175 backwardMostMove = blackPlaysFirst ? 1 : 0;
9178 gameInfo.result = moveType;
9179 p = strchr(yy_text, '{');
9180 if (p == NULL) p = strchr(yy_text, '(');
9183 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9185 q = strchr(p, *p == '{' ? '}' : ')');
9186 if (q != NULL) *q = NULLCHAR;
9189 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9190 gameInfo.resultDetails = StrSave(p);
9193 if (boardIndex >= forwardMostMove &&
9194 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9195 backwardMostMove = blackPlaysFirst ? 1 : 0;
9198 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9199 fromY, fromX, toY, toX, promoChar,
9200 parseList[boardIndex]);
9201 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9202 /* currentMoveString is set as a side-effect of yylex */
9203 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9204 strcat(moveList[boardIndex], "\n");
9206 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9207 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9213 if(gameInfo.variant != VariantShogi)
9214 strcat(parseList[boardIndex - 1], "+");
9218 strcat(parseList[boardIndex - 1], "#");
9225 /* Apply a move to the given board */
9227 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9229 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9230 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9232 /* [HGM] compute & store e.p. status and castling rights for new position */
9233 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9235 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9236 oldEP = (signed char)board[EP_STATUS];
9237 board[EP_STATUS] = EP_NONE;
9239 if (fromY == DROP_RANK) {
9241 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9242 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9245 piece = board[toY][toX] = (ChessSquare) fromX;
9249 if( board[toY][toX] != EmptySquare )
9250 board[EP_STATUS] = EP_CAPTURE;
9252 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9253 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9254 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9256 if( board[fromY][fromX] == WhitePawn ) {
9257 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9258 board[EP_STATUS] = EP_PAWN_MOVE;
9260 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9261 gameInfo.variant != VariantBerolina || toX < fromX)
9262 board[EP_STATUS] = toX | berolina;
9263 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9264 gameInfo.variant != VariantBerolina || toX > fromX)
9265 board[EP_STATUS] = toX;
9268 if( board[fromY][fromX] == BlackPawn ) {
9269 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9270 board[EP_STATUS] = EP_PAWN_MOVE;
9271 if( toY-fromY== -2) {
9272 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9273 gameInfo.variant != VariantBerolina || toX < fromX)
9274 board[EP_STATUS] = toX | berolina;
9275 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9276 gameInfo.variant != VariantBerolina || toX > fromX)
9277 board[EP_STATUS] = toX;
9281 for(i=0; i<nrCastlingRights; i++) {
9282 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9283 board[CASTLING][i] == toX && castlingRank[i] == toY
9284 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9287 if (fromX == toX && fromY == toY) return;
9289 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9290 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9291 if(gameInfo.variant == VariantKnightmate)
9292 king += (int) WhiteUnicorn - (int) WhiteKing;
9294 /* Code added by Tord: */
9295 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9296 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9297 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9298 board[fromY][fromX] = EmptySquare;
9299 board[toY][toX] = EmptySquare;
9300 if((toX > fromX) != (piece == WhiteRook)) {
9301 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9303 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9305 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9306 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9307 board[fromY][fromX] = EmptySquare;
9308 board[toY][toX] = EmptySquare;
9309 if((toX > fromX) != (piece == BlackRook)) {
9310 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9312 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9314 /* End of code added by Tord */
9316 } else if (board[fromY][fromX] == king
9317 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9318 && toY == fromY && toX > fromX+1) {
9319 board[fromY][fromX] = EmptySquare;
9320 board[toY][toX] = king;
9321 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9322 board[fromY][BOARD_RGHT-1] = EmptySquare;
9323 } else if (board[fromY][fromX] == king
9324 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9325 && toY == fromY && toX < fromX-1) {
9326 board[fromY][fromX] = EmptySquare;
9327 board[toY][toX] = king;
9328 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9329 board[fromY][BOARD_LEFT] = EmptySquare;
9330 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9331 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9332 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9334 /* white pawn promotion */
9335 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9336 if(gameInfo.variant==VariantBughouse ||
9337 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9338 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9339 board[fromY][fromX] = EmptySquare;
9340 } else if ((fromY >= BOARD_HEIGHT>>1)
9342 && gameInfo.variant != VariantXiangqi
9343 && gameInfo.variant != VariantBerolina
9344 && (board[fromY][fromX] == WhitePawn)
9345 && (board[toY][toX] == EmptySquare)) {
9346 board[fromY][fromX] = EmptySquare;
9347 board[toY][toX] = WhitePawn;
9348 captured = board[toY - 1][toX];
9349 board[toY - 1][toX] = EmptySquare;
9350 } else if ((fromY == BOARD_HEIGHT-4)
9352 && gameInfo.variant == VariantBerolina
9353 && (board[fromY][fromX] == WhitePawn)
9354 && (board[toY][toX] == EmptySquare)) {
9355 board[fromY][fromX] = EmptySquare;
9356 board[toY][toX] = WhitePawn;
9357 if(oldEP & EP_BEROLIN_A) {
9358 captured = board[fromY][fromX-1];
9359 board[fromY][fromX-1] = EmptySquare;
9360 }else{ captured = board[fromY][fromX+1];
9361 board[fromY][fromX+1] = EmptySquare;
9363 } else if (board[fromY][fromX] == king
9364 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9365 && toY == fromY && toX > fromX+1) {
9366 board[fromY][fromX] = EmptySquare;
9367 board[toY][toX] = king;
9368 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9369 board[fromY][BOARD_RGHT-1] = EmptySquare;
9370 } else if (board[fromY][fromX] == king
9371 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9372 && toY == fromY && toX < fromX-1) {
9373 board[fromY][fromX] = EmptySquare;
9374 board[toY][toX] = king;
9375 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9376 board[fromY][BOARD_LEFT] = EmptySquare;
9377 } else if (fromY == 7 && fromX == 3
9378 && board[fromY][fromX] == BlackKing
9379 && toY == 7 && toX == 5) {
9380 board[fromY][fromX] = EmptySquare;
9381 board[toY][toX] = BlackKing;
9382 board[fromY][7] = EmptySquare;
9383 board[toY][4] = BlackRook;
9384 } else if (fromY == 7 && fromX == 3
9385 && board[fromY][fromX] == BlackKing
9386 && toY == 7 && toX == 1) {
9387 board[fromY][fromX] = EmptySquare;
9388 board[toY][toX] = BlackKing;
9389 board[fromY][0] = EmptySquare;
9390 board[toY][2] = BlackRook;
9391 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9392 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9393 && toY < promoRank && promoChar
9395 /* black pawn promotion */
9396 board[toY][toX] = CharToPiece(ToLower(promoChar));
9397 if(gameInfo.variant==VariantBughouse ||
9398 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9399 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9400 board[fromY][fromX] = EmptySquare;
9401 } else if ((fromY < BOARD_HEIGHT>>1)
9403 && gameInfo.variant != VariantXiangqi
9404 && gameInfo.variant != VariantBerolina
9405 && (board[fromY][fromX] == BlackPawn)
9406 && (board[toY][toX] == EmptySquare)) {
9407 board[fromY][fromX] = EmptySquare;
9408 board[toY][toX] = BlackPawn;
9409 captured = board[toY + 1][toX];
9410 board[toY + 1][toX] = EmptySquare;
9411 } else if ((fromY == 3)
9413 && gameInfo.variant == VariantBerolina
9414 && (board[fromY][fromX] == BlackPawn)
9415 && (board[toY][toX] == EmptySquare)) {
9416 board[fromY][fromX] = EmptySquare;
9417 board[toY][toX] = BlackPawn;
9418 if(oldEP & EP_BEROLIN_A) {
9419 captured = board[fromY][fromX-1];
9420 board[fromY][fromX-1] = EmptySquare;
9421 }else{ captured = board[fromY][fromX+1];
9422 board[fromY][fromX+1] = EmptySquare;
9425 board[toY][toX] = board[fromY][fromX];
9426 board[fromY][fromX] = EmptySquare;
9430 if (gameInfo.holdingsWidth != 0) {
9432 /* !!A lot more code needs to be written to support holdings */
9433 /* [HGM] OK, so I have written it. Holdings are stored in the */
9434 /* penultimate board files, so they are automaticlly stored */
9435 /* in the game history. */
9436 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9437 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9438 /* Delete from holdings, by decreasing count */
9439 /* and erasing image if necessary */
9440 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9441 if(p < (int) BlackPawn) { /* white drop */
9442 p -= (int)WhitePawn;
9443 p = PieceToNumber((ChessSquare)p);
9444 if(p >= gameInfo.holdingsSize) p = 0;
9445 if(--board[p][BOARD_WIDTH-2] <= 0)
9446 board[p][BOARD_WIDTH-1] = EmptySquare;
9447 if((int)board[p][BOARD_WIDTH-2] < 0)
9448 board[p][BOARD_WIDTH-2] = 0;
9449 } else { /* black drop */
9450 p -= (int)BlackPawn;
9451 p = PieceToNumber((ChessSquare)p);
9452 if(p >= gameInfo.holdingsSize) p = 0;
9453 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9454 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9455 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9456 board[BOARD_HEIGHT-1-p][1] = 0;
9459 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9460 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9461 /* [HGM] holdings: Add to holdings, if holdings exist */
9462 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9463 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9464 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9467 if (p >= (int) BlackPawn) {
9468 p -= (int)BlackPawn;
9469 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9470 /* in Shogi restore piece to its original first */
9471 captured = (ChessSquare) (DEMOTED captured);
9474 p = PieceToNumber((ChessSquare)p);
9475 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9476 board[p][BOARD_WIDTH-2]++;
9477 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9479 p -= (int)WhitePawn;
9480 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9481 captured = (ChessSquare) (DEMOTED captured);
9484 p = PieceToNumber((ChessSquare)p);
9485 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9486 board[BOARD_HEIGHT-1-p][1]++;
9487 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9490 } else if (gameInfo.variant == VariantAtomic) {
9491 if (captured != EmptySquare) {
9493 for (y = toY-1; y <= toY+1; y++) {
9494 for (x = toX-1; x <= toX+1; x++) {
9495 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9496 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9497 board[y][x] = EmptySquare;
9501 board[toY][toX] = EmptySquare;
9504 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9505 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9507 if(promoChar == '+') {
9508 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9509 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9510 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9511 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9512 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9513 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9514 board[toY][toX] = newPiece;
9516 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9517 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9518 // [HGM] superchess: take promotion piece out of holdings
9519 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9520 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9521 if(!--board[k][BOARD_WIDTH-2])
9522 board[k][BOARD_WIDTH-1] = EmptySquare;
9524 if(!--board[BOARD_HEIGHT-1-k][1])
9525 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9531 /* Updates forwardMostMove */
9533 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9535 // forwardMostMove++; // [HGM] bare: moved downstream
9537 (void) CoordsToAlgebraic(boards[forwardMostMove],
9538 PosFlags(forwardMostMove),
9539 fromY, fromX, toY, toX, promoChar,
9540 parseList[forwardMostMove]);
9542 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9543 int timeLeft; static int lastLoadFlag=0; int king, piece;
9544 piece = boards[forwardMostMove][fromY][fromX];
9545 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9546 if(gameInfo.variant == VariantKnightmate)
9547 king += (int) WhiteUnicorn - (int) WhiteKing;
9548 if(forwardMostMove == 0) {
9549 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9550 fprintf(serverMoves, "%s;", UserName());
9551 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9552 fprintf(serverMoves, "%s;", second.tidy);
9553 fprintf(serverMoves, "%s;", first.tidy);
9554 if(gameMode == MachinePlaysWhite)
9555 fprintf(serverMoves, "%s;", UserName());
9556 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9557 fprintf(serverMoves, "%s;", second.tidy);
9558 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9559 lastLoadFlag = loadFlag;
9561 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9562 // print castling suffix
9563 if( toY == fromY && piece == king ) {
9565 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9567 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9570 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9571 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9572 boards[forwardMostMove][toY][toX] == EmptySquare
9573 && fromX != toX && fromY != toY)
9574 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9576 if(promoChar != NULLCHAR)
9577 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9579 char buf[MOVE_LEN*2], *p; int len;
9580 fprintf(serverMoves, "/%d/%d",
9581 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9582 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9583 else timeLeft = blackTimeRemaining/1000;
9584 fprintf(serverMoves, "/%d", timeLeft);
9585 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9586 if(p = strchr(buf, '=')) *p = NULLCHAR;
9587 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9588 fprintf(serverMoves, "/%s", buf);
9590 fflush(serverMoves);
9593 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9594 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9597 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9598 if (commentList[forwardMostMove+1] != NULL) {
9599 free(commentList[forwardMostMove+1]);
9600 commentList[forwardMostMove+1] = NULL;
9602 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9603 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9604 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9605 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9606 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9607 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9608 adjustedClock = FALSE;
9609 gameInfo.result = GameUnfinished;
9610 if (gameInfo.resultDetails != NULL) {
9611 free(gameInfo.resultDetails);
9612 gameInfo.resultDetails = NULL;
9614 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9615 moveList[forwardMostMove - 1]);
9616 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9622 if(gameInfo.variant != VariantShogi)
9623 strcat(parseList[forwardMostMove - 1], "+");
9627 strcat(parseList[forwardMostMove - 1], "#");
9633 /* Updates currentMove if not pausing */
9635 ShowMove (int fromX, int fromY, int toX, int toY)
9637 int instant = (gameMode == PlayFromGameFile) ?
9638 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9639 if(appData.noGUI) return;
9640 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9642 if (forwardMostMove == currentMove + 1) {
9643 AnimateMove(boards[forwardMostMove - 1],
9644 fromX, fromY, toX, toY);
9646 if (appData.highlightLastMove) {
9647 SetHighlights(fromX, fromY, toX, toY);
9650 currentMove = forwardMostMove;
9653 if (instant) return;
9655 DisplayMove(currentMove - 1);
9656 DrawPosition(FALSE, boards[currentMove]);
9657 DisplayBothClocks();
9658 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9662 SendEgtPath (ChessProgramState *cps)
9663 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9664 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9666 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9669 char c, *q = name+1, *r, *s;
9671 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9672 while(*p && *p != ',') *q++ = *p++;
9674 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9675 strcmp(name, ",nalimov:") == 0 ) {
9676 // take nalimov path from the menu-changeable option first, if it is defined
9677 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9678 SendToProgram(buf,cps); // send egtbpath command for nalimov
9680 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9681 (s = StrStr(appData.egtFormats, name)) != NULL) {
9682 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9683 s = r = StrStr(s, ":") + 1; // beginning of path info
9684 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9685 c = *r; *r = 0; // temporarily null-terminate path info
9686 *--q = 0; // strip of trailig ':' from name
9687 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9689 SendToProgram(buf,cps); // send egtbpath command for this format
9691 if(*p == ',') p++; // read away comma to position for next format name
9696 InitChessProgram (ChessProgramState *cps, int setup)
9697 /* setup needed to setup FRC opening position */
9699 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9700 if (appData.noChessProgram) return;
9701 hintRequested = FALSE;
9702 bookRequested = FALSE;
9704 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9705 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9706 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9707 if(cps->memSize) { /* [HGM] memory */
9708 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9709 SendToProgram(buf, cps);
9711 SendEgtPath(cps); /* [HGM] EGT */
9712 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9713 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9714 SendToProgram(buf, cps);
9717 SendToProgram(cps->initString, cps);
9718 if (gameInfo.variant != VariantNormal &&
9719 gameInfo.variant != VariantLoadable
9720 /* [HGM] also send variant if board size non-standard */
9721 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9723 char *v = VariantName(gameInfo.variant);
9724 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9725 /* [HGM] in protocol 1 we have to assume all variants valid */
9726 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9727 DisplayFatalError(buf, 0, 1);
9731 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9732 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9733 if( gameInfo.variant == VariantXiangqi )
9734 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9735 if( gameInfo.variant == VariantShogi )
9736 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9737 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9738 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9739 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9740 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9741 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9742 if( gameInfo.variant == VariantCourier )
9743 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9744 if( gameInfo.variant == VariantSuper )
9745 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9746 if( gameInfo.variant == VariantGreat )
9747 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9748 if( gameInfo.variant == VariantSChess )
9749 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9750 if( gameInfo.variant == VariantGrand )
9751 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9754 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9755 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9756 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9757 if(StrStr(cps->variants, b) == NULL) {
9758 // specific sized variant not known, check if general sizing allowed
9759 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9760 if(StrStr(cps->variants, "boardsize") == NULL) {
9761 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9762 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9763 DisplayFatalError(buf, 0, 1);
9766 /* [HGM] here we really should compare with the maximum supported board size */
9769 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9770 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9771 SendToProgram(buf, cps);
9773 currentlyInitializedVariant = gameInfo.variant;
9775 /* [HGM] send opening position in FRC to first engine */
9777 SendToProgram("force\n", cps);
9779 /* engine is now in force mode! Set flag to wake it up after first move. */
9780 setboardSpoiledMachineBlack = 1;
9784 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9785 SendToProgram(buf, cps);
9787 cps->maybeThinking = FALSE;
9788 cps->offeredDraw = 0;
9789 if (!appData.icsActive) {
9790 SendTimeControl(cps, movesPerSession, timeControl,
9791 timeIncrement, appData.searchDepth,
9794 if (appData.showThinking
9795 // [HGM] thinking: four options require thinking output to be sent
9796 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9798 SendToProgram("post\n", cps);
9800 SendToProgram("hard\n", cps);
9801 if (!appData.ponderNextMove) {
9802 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9803 it without being sure what state we are in first. "hard"
9804 is not a toggle, so that one is OK.
9806 SendToProgram("easy\n", cps);
9809 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9810 SendToProgram(buf, cps);
9812 cps->initDone = TRUE;
9813 ClearEngineOutputPane(cps == &second);
9818 StartChessProgram (ChessProgramState *cps)
9823 if (appData.noChessProgram) return;
9824 cps->initDone = FALSE;
9826 if (strcmp(cps->host, "localhost") == 0) {
9827 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9828 } else if (*appData.remoteShell == NULLCHAR) {
9829 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9831 if (*appData.remoteUser == NULLCHAR) {
9832 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9835 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9836 cps->host, appData.remoteUser, cps->program);
9838 err = StartChildProcess(buf, "", &cps->pr);
9842 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9843 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9844 if(cps != &first) return;
9845 appData.noChessProgram = TRUE;
9848 // DisplayFatalError(buf, err, 1);
9849 // cps->pr = NoProc;
9854 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9855 if (cps->protocolVersion > 1) {
9856 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9857 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9858 cps->comboCnt = 0; // and values of combo boxes
9859 SendToProgram(buf, cps);
9861 SendToProgram("xboard\n", cps);
9866 TwoMachinesEventIfReady P((void))
9868 static int curMess = 0;
9869 if (first.lastPing != first.lastPong) {
9870 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9871 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9874 if (second.lastPing != second.lastPong) {
9875 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9876 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9879 DisplayMessage("", ""); curMess = 0;
9885 MakeName (char *template)
9889 static char buf[MSG_SIZ];
9893 clock = time((time_t *)NULL);
9894 tm = localtime(&clock);
9896 while(*p++ = *template++) if(p[-1] == '%') {
9897 switch(*template++) {
9898 case 0: *p = 0; return buf;
9899 case 'Y': i = tm->tm_year+1900; break;
9900 case 'y': i = tm->tm_year-100; break;
9901 case 'M': i = tm->tm_mon+1; break;
9902 case 'd': i = tm->tm_mday; break;
9903 case 'h': i = tm->tm_hour; break;
9904 case 'm': i = tm->tm_min; break;
9905 case 's': i = tm->tm_sec; break;
9908 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9914 CountPlayers (char *p)
9917 while(p = strchr(p, '\n')) p++, n++; // count participants
9922 WriteTourneyFile (char *results, FILE *f)
9923 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9924 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9925 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9926 // create a file with tournament description
9927 fprintf(f, "-participants {%s}\n", appData.participants);
9928 fprintf(f, "-seedBase %d\n", appData.seedBase);
9929 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9930 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9931 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9932 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9933 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9934 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9935 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9936 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9937 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9938 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9939 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9940 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9942 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9944 fprintf(f, "-mps %d\n", appData.movesPerSession);
9945 fprintf(f, "-tc %s\n", appData.timeControl);
9946 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9948 fprintf(f, "-results \"%s\"\n", results);
9953 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9956 Substitute (char *participants, int expunge)
9958 int i, changed, changes=0, nPlayers=0;
9959 char *p, *q, *r, buf[MSG_SIZ];
9960 if(participants == NULL) return;
9961 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9962 r = p = participants; q = appData.participants;
9963 while(*p && *p == *q) {
9964 if(*p == '\n') r = p+1, nPlayers++;
9967 if(*p) { // difference
9968 while(*p && *p++ != '\n');
9969 while(*q && *q++ != '\n');
9971 changes = 1 + (strcmp(p, q) != 0);
9973 if(changes == 1) { // a single engine mnemonic was changed
9974 q = r; while(*q) nPlayers += (*q++ == '\n');
9975 p = buf; while(*r && (*p = *r++) != '\n') p++;
9977 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9978 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9979 if(mnemonic[i]) { // The substitute is valid
9981 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9982 flock(fileno(f), LOCK_EX);
9983 ParseArgsFromFile(f);
9984 fseek(f, 0, SEEK_SET);
9985 FREE(appData.participants); appData.participants = participants;
9986 if(expunge) { // erase results of replaced engine
9987 int len = strlen(appData.results), w, b, dummy;
9988 for(i=0; i<len; i++) {
9989 Pairing(i, nPlayers, &w, &b, &dummy);
9990 if((w == changed || b == changed) && appData.results[i] == '*') {
9991 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9996 for(i=0; i<len; i++) {
9997 Pairing(i, nPlayers, &w, &b, &dummy);
9998 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10001 WriteTourneyFile(appData.results, f);
10002 fclose(f); // release lock
10005 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10007 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10008 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10009 free(participants);
10014 CreateTourney (char *name)
10017 if(matchMode && strcmp(name, appData.tourneyFile)) {
10018 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10020 if(name[0] == NULLCHAR) {
10021 if(appData.participants[0])
10022 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10025 f = fopen(name, "r");
10026 if(f) { // file exists
10027 ASSIGN(appData.tourneyFile, name);
10028 ParseArgsFromFile(f); // parse it
10030 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10031 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10032 DisplayError(_("Not enough participants"), 0);
10035 ASSIGN(appData.tourneyFile, name);
10036 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10037 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10040 appData.noChessProgram = FALSE;
10041 appData.clockMode = TRUE;
10047 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10049 char buf[MSG_SIZ], *p, *q;
10050 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10051 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10052 skip = !all && group[0]; // if group requested, we start in skip mode
10053 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10054 p = names; q = buf; header = 0;
10055 while(*p && *p != '\n') *q++ = *p++;
10057 if(*p == '\n') p++;
10058 if(buf[0] == '#') {
10059 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10060 depth++; // we must be entering a new group
10061 if(all) continue; // suppress printing group headers when complete list requested
10063 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10065 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10066 if(engineList[i]) free(engineList[i]);
10067 engineList[i] = strdup(buf);
10068 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10069 if(engineMnemonic[i]) free(engineMnemonic[i]);
10070 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10072 sscanf(q + 8, "%s", buf + strlen(buf));
10075 engineMnemonic[i] = strdup(buf);
10078 engineList[i] = engineMnemonic[i] = NULL;
10082 // following implemented as macro to avoid type limitations
10083 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10086 SwapEngines (int n)
10087 { // swap settings for first engine and other engine (so far only some selected options)
10092 SWAP(chessProgram, p)
10094 SWAP(hasOwnBookUCI, h)
10095 SWAP(protocolVersion, h)
10097 SWAP(scoreIsAbsolute, h)
10102 SWAP(engOptions, p)
10103 SWAP(engInitString, p)
10104 SWAP(computerString, p)
10106 SWAP(fenOverride, p)
10108 SWAP(accumulateTC, h)
10113 SetPlayer (int player, char *p)
10114 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10116 char buf[MSG_SIZ], *engineName;
10117 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10118 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10119 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10121 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10122 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10123 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10124 ParseArgsFromString(buf);
10130 char *recentEngines;
10133 RecentEngineEvent (int nr)
10136 // SwapEngines(1); // bump first to second
10137 // ReplaceEngine(&second, 1); // and load it there
10138 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10139 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10140 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10141 ReplaceEngine(&first, 0);
10142 FloatToFront(&appData.recentEngineList, command[n]);
10147 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10148 { // determine players from game number
10149 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10151 if(appData.tourneyType == 0) {
10152 roundsPerCycle = (nPlayers - 1) | 1;
10153 pairingsPerRound = nPlayers / 2;
10154 } else if(appData.tourneyType > 0) {
10155 roundsPerCycle = nPlayers - appData.tourneyType;
10156 pairingsPerRound = appData.tourneyType;
10158 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10159 gamesPerCycle = gamesPerRound * roundsPerCycle;
10160 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10161 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10162 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10163 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10164 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10165 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10167 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10168 if(appData.roundSync) *syncInterval = gamesPerRound;
10170 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10172 if(appData.tourneyType == 0) {
10173 if(curPairing == (nPlayers-1)/2 ) {
10174 *whitePlayer = curRound;
10175 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10177 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10178 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10179 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10180 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10182 } else if(appData.tourneyType > 1) {
10183 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10184 *whitePlayer = curRound + appData.tourneyType;
10185 } else if(appData.tourneyType > 0) {
10186 *whitePlayer = curPairing;
10187 *blackPlayer = curRound + appData.tourneyType;
10190 // take care of white/black alternation per round.
10191 // For cycles and games this is already taken care of by default, derived from matchGame!
10192 return curRound & 1;
10196 NextTourneyGame (int nr, int *swapColors)
10197 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10199 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10201 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10202 tf = fopen(appData.tourneyFile, "r");
10203 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10204 ParseArgsFromFile(tf); fclose(tf);
10205 InitTimeControls(); // TC might be altered from tourney file
10207 nPlayers = CountPlayers(appData.participants); // count participants
10208 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10209 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10212 p = q = appData.results;
10213 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10214 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10215 DisplayMessage(_("Waiting for other game(s)"),"");
10216 waitingForGame = TRUE;
10217 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10220 waitingForGame = FALSE;
10223 if(appData.tourneyType < 0) {
10224 if(nr>=0 && !pairingReceived) {
10226 if(pairing.pr == NoProc) {
10227 if(!appData.pairingEngine[0]) {
10228 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10231 StartChessProgram(&pairing); // starts the pairing engine
10233 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10234 SendToProgram(buf, &pairing);
10235 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10236 SendToProgram(buf, &pairing);
10237 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10239 pairingReceived = 0; // ... so we continue here
10241 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10242 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10243 matchGame = 1; roundNr = nr / syncInterval + 1;
10246 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10248 // redefine engines, engine dir, etc.
10249 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10250 if(first.pr == NoProc) {
10251 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10252 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10254 if(second.pr == NoProc) {
10256 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10257 SwapEngines(1); // and make that valid for second engine by swapping
10258 InitEngine(&second, 1);
10260 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10261 UpdateLogos(FALSE); // leave display to ModeHiglight()
10267 { // performs game initialization that does not invoke engines, and then tries to start the game
10268 int res, firstWhite, swapColors = 0;
10269 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10270 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
10272 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10273 if(strcmp(buf, currentDebugFile)) { // name has changed
10274 FILE *f = fopen(buf, "w");
10275 if(f) { // if opening the new file failed, just keep using the old one
10276 ASSIGN(currentDebugFile, buf);
10280 if(appData.serverFileName) {
10281 if(serverFP) fclose(serverFP);
10282 serverFP = fopen(appData.serverFileName, "w");
10283 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10284 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10288 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10289 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10290 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10291 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10292 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10293 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10294 Reset(FALSE, first.pr != NoProc);
10295 res = LoadGameOrPosition(matchGame); // setup game
10296 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10297 if(!res) return; // abort when bad game/pos file
10298 TwoMachinesEvent();
10302 UserAdjudicationEvent (int result)
10304 ChessMove gameResult = GameIsDrawn;
10307 gameResult = WhiteWins;
10309 else if( result < 0 ) {
10310 gameResult = BlackWins;
10313 if( gameMode == TwoMachinesPlay ) {
10314 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10319 // [HGM] save: calculate checksum of game to make games easily identifiable
10321 StringCheckSum (char *s)
10324 if(s==NULL) return 0;
10325 while(*s) i = i*259 + *s++;
10333 for(i=backwardMostMove; i<forwardMostMove; i++) {
10334 sum += pvInfoList[i].depth;
10335 sum += StringCheckSum(parseList[i]);
10336 sum += StringCheckSum(commentList[i]);
10339 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10340 return sum + StringCheckSum(commentList[i]);
10341 } // end of save patch
10344 GameEnds (ChessMove result, char *resultDetails, int whosays)
10346 GameMode nextGameMode;
10348 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10350 if(endingGame) return; /* [HGM] crash: forbid recursion */
10352 if(twoBoards) { // [HGM] dual: switch back to one board
10353 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10354 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10356 if (appData.debugMode) {
10357 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10358 result, resultDetails ? resultDetails : "(null)", whosays);
10361 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10363 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10364 /* If we are playing on ICS, the server decides when the
10365 game is over, but the engine can offer to draw, claim
10369 if (appData.zippyPlay && first.initDone) {
10370 if (result == GameIsDrawn) {
10371 /* In case draw still needs to be claimed */
10372 SendToICS(ics_prefix);
10373 SendToICS("draw\n");
10374 } else if (StrCaseStr(resultDetails, "resign")) {
10375 SendToICS(ics_prefix);
10376 SendToICS("resign\n");
10380 endingGame = 0; /* [HGM] crash */
10384 /* If we're loading the game from a file, stop */
10385 if (whosays == GE_FILE) {
10386 (void) StopLoadGameTimer();
10390 /* Cancel draw offers */
10391 first.offeredDraw = second.offeredDraw = 0;
10393 /* If this is an ICS game, only ICS can really say it's done;
10394 if not, anyone can. */
10395 isIcsGame = (gameMode == IcsPlayingWhite ||
10396 gameMode == IcsPlayingBlack ||
10397 gameMode == IcsObserving ||
10398 gameMode == IcsExamining);
10400 if (!isIcsGame || whosays == GE_ICS) {
10401 /* OK -- not an ICS game, or ICS said it was done */
10403 if (!isIcsGame && !appData.noChessProgram)
10404 SetUserThinkingEnables();
10406 /* [HGM] if a machine claims the game end we verify this claim */
10407 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10408 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10410 ChessMove trueResult = (ChessMove) -1;
10412 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10413 first.twoMachinesColor[0] :
10414 second.twoMachinesColor[0] ;
10416 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10417 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10418 /* [HGM] verify: engine mate claims accepted if they were flagged */
10419 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10421 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10422 /* [HGM] verify: engine mate claims accepted if they were flagged */
10423 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10425 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10426 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10429 // now verify win claims, but not in drop games, as we don't understand those yet
10430 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10431 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10432 (result == WhiteWins && claimer == 'w' ||
10433 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10434 if (appData.debugMode) {
10435 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10436 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10438 if(result != trueResult) {
10439 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10440 result = claimer == 'w' ? BlackWins : WhiteWins;
10441 resultDetails = buf;
10444 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10445 && (forwardMostMove <= backwardMostMove ||
10446 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10447 (claimer=='b')==(forwardMostMove&1))
10449 /* [HGM] verify: draws that were not flagged are false claims */
10450 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10451 result = claimer == 'w' ? BlackWins : WhiteWins;
10452 resultDetails = buf;
10454 /* (Claiming a loss is accepted no questions asked!) */
10456 /* [HGM] bare: don't allow bare King to win */
10457 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10458 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10459 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10460 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10461 && result != GameIsDrawn)
10462 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10463 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10464 int p = (signed char)boards[forwardMostMove][i][j] - color;
10465 if(p >= 0 && p <= (int)WhiteKing) k++;
10467 if (appData.debugMode) {
10468 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10469 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10472 result = GameIsDrawn;
10473 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10474 resultDetails = buf;
10480 if(serverMoves != NULL && !loadFlag) { char c = '=';
10481 if(result==WhiteWins) c = '+';
10482 if(result==BlackWins) c = '-';
10483 if(resultDetails != NULL)
10484 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10486 if (resultDetails != NULL) {
10487 gameInfo.result = result;
10488 gameInfo.resultDetails = StrSave(resultDetails);
10490 /* display last move only if game was not loaded from file */
10491 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10492 DisplayMove(currentMove - 1);
10494 if (forwardMostMove != 0) {
10495 if (gameMode != PlayFromGameFile && gameMode != EditGame
10496 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10498 if (*appData.saveGameFile != NULLCHAR) {
10499 SaveGameToFile(appData.saveGameFile, TRUE);
10500 } else if (appData.autoSaveGames) {
10503 if (*appData.savePositionFile != NULLCHAR) {
10504 SavePositionToFile(appData.savePositionFile);
10509 /* Tell program how game ended in case it is learning */
10510 /* [HGM] Moved this to after saving the PGN, just in case */
10511 /* engine died and we got here through time loss. In that */
10512 /* case we will get a fatal error writing the pipe, which */
10513 /* would otherwise lose us the PGN. */
10514 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10515 /* output during GameEnds should never be fatal anymore */
10516 if (gameMode == MachinePlaysWhite ||
10517 gameMode == MachinePlaysBlack ||
10518 gameMode == TwoMachinesPlay ||
10519 gameMode == IcsPlayingWhite ||
10520 gameMode == IcsPlayingBlack ||
10521 gameMode == BeginningOfGame) {
10523 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10525 if (first.pr != NoProc) {
10526 SendToProgram(buf, &first);
10528 if (second.pr != NoProc &&
10529 gameMode == TwoMachinesPlay) {
10530 SendToProgram(buf, &second);
10535 if (appData.icsActive) {
10536 if (appData.quietPlay &&
10537 (gameMode == IcsPlayingWhite ||
10538 gameMode == IcsPlayingBlack)) {
10539 SendToICS(ics_prefix);
10540 SendToICS("set shout 1\n");
10542 nextGameMode = IcsIdle;
10543 ics_user_moved = FALSE;
10544 /* clean up premove. It's ugly when the game has ended and the
10545 * premove highlights are still on the board.
10548 gotPremove = FALSE;
10549 ClearPremoveHighlights();
10550 DrawPosition(FALSE, boards[currentMove]);
10552 if (whosays == GE_ICS) {
10555 if (gameMode == IcsPlayingWhite)
10557 else if(gameMode == IcsPlayingBlack)
10558 PlayIcsLossSound();
10561 if (gameMode == IcsPlayingBlack)
10563 else if(gameMode == IcsPlayingWhite)
10564 PlayIcsLossSound();
10567 PlayIcsDrawSound();
10570 PlayIcsUnfinishedSound();
10573 } else if (gameMode == EditGame ||
10574 gameMode == PlayFromGameFile ||
10575 gameMode == AnalyzeMode ||
10576 gameMode == AnalyzeFile) {
10577 nextGameMode = gameMode;
10579 nextGameMode = EndOfGame;
10584 nextGameMode = gameMode;
10587 if (appData.noChessProgram) {
10588 gameMode = nextGameMode;
10590 endingGame = 0; /* [HGM] crash */
10595 /* Put first chess program into idle state */
10596 if (first.pr != NoProc &&
10597 (gameMode == MachinePlaysWhite ||
10598 gameMode == MachinePlaysBlack ||
10599 gameMode == TwoMachinesPlay ||
10600 gameMode == IcsPlayingWhite ||
10601 gameMode == IcsPlayingBlack ||
10602 gameMode == BeginningOfGame)) {
10603 SendToProgram("force\n", &first);
10604 if (first.usePing) {
10606 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10607 SendToProgram(buf, &first);
10610 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10611 /* Kill off first chess program */
10612 if (first.isr != NULL)
10613 RemoveInputSource(first.isr);
10616 if (first.pr != NoProc) {
10618 DoSleep( appData.delayBeforeQuit );
10619 SendToProgram("quit\n", &first);
10620 DoSleep( appData.delayAfterQuit );
10621 DestroyChildProcess(first.pr, first.useSigterm);
10625 if (second.reuse) {
10626 /* Put second chess program into idle state */
10627 if (second.pr != NoProc &&
10628 gameMode == TwoMachinesPlay) {
10629 SendToProgram("force\n", &second);
10630 if (second.usePing) {
10632 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10633 SendToProgram(buf, &second);
10636 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10637 /* Kill off second chess program */
10638 if (second.isr != NULL)
10639 RemoveInputSource(second.isr);
10642 if (second.pr != NoProc) {
10643 DoSleep( appData.delayBeforeQuit );
10644 SendToProgram("quit\n", &second);
10645 DoSleep( appData.delayAfterQuit );
10646 DestroyChildProcess(second.pr, second.useSigterm);
10648 second.pr = NoProc;
10651 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10652 char resChar = '=';
10656 if (first.twoMachinesColor[0] == 'w') {
10659 second.matchWins++;
10664 if (first.twoMachinesColor[0] == 'b') {
10667 second.matchWins++;
10670 case GameUnfinished:
10676 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10677 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10678 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10679 ReserveGame(nextGame, resChar); // sets nextGame
10680 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10681 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10682 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10684 if (nextGame <= appData.matchGames && !abortMatch) {
10685 gameMode = nextGameMode;
10686 matchGame = nextGame; // this will be overruled in tourney mode!
10687 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10688 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10689 endingGame = 0; /* [HGM] crash */
10692 gameMode = nextGameMode;
10693 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10694 first.tidy, second.tidy,
10695 first.matchWins, second.matchWins,
10696 appData.matchGames - (first.matchWins + second.matchWins));
10697 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10698 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10699 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10700 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10701 first.twoMachinesColor = "black\n";
10702 second.twoMachinesColor = "white\n";
10704 first.twoMachinesColor = "white\n";
10705 second.twoMachinesColor = "black\n";
10709 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10710 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10712 gameMode = nextGameMode;
10714 endingGame = 0; /* [HGM] crash */
10715 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10716 if(matchMode == TRUE) { // match through command line: exit with or without popup
10718 ToNrEvent(forwardMostMove);
10719 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10721 } else DisplayFatalError(buf, 0, 0);
10722 } else { // match through menu; just stop, with or without popup
10723 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10726 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10727 } else DisplayNote(buf);
10729 if(ranking) free(ranking);
10733 /* Assumes program was just initialized (initString sent).
10734 Leaves program in force mode. */
10736 FeedMovesToProgram (ChessProgramState *cps, int upto)
10740 if (appData.debugMode)
10741 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10742 startedFromSetupPosition ? "position and " : "",
10743 backwardMostMove, upto, cps->which);
10744 if(currentlyInitializedVariant != gameInfo.variant) {
10746 // [HGM] variantswitch: make engine aware of new variant
10747 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10748 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10749 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10750 SendToProgram(buf, cps);
10751 currentlyInitializedVariant = gameInfo.variant;
10753 SendToProgram("force\n", cps);
10754 if (startedFromSetupPosition) {
10755 SendBoard(cps, backwardMostMove);
10756 if (appData.debugMode) {
10757 fprintf(debugFP, "feedMoves\n");
10760 for (i = backwardMostMove; i < upto; i++) {
10761 SendMoveToProgram(i, cps);
10767 ResurrectChessProgram ()
10769 /* The chess program may have exited.
10770 If so, restart it and feed it all the moves made so far. */
10771 static int doInit = 0;
10773 if (appData.noChessProgram) return 1;
10775 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10776 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10777 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10778 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10780 if (first.pr != NoProc) return 1;
10781 StartChessProgram(&first);
10783 InitChessProgram(&first, FALSE);
10784 FeedMovesToProgram(&first, currentMove);
10786 if (!first.sendTime) {
10787 /* can't tell gnuchess what its clock should read,
10788 so we bow to its notion. */
10790 timeRemaining[0][currentMove] = whiteTimeRemaining;
10791 timeRemaining[1][currentMove] = blackTimeRemaining;
10794 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10795 appData.icsEngineAnalyze) && first.analysisSupport) {
10796 SendToProgram("analyze\n", &first);
10797 first.analyzing = TRUE;
10803 * Button procedures
10806 Reset (int redraw, int init)
10810 if (appData.debugMode) {
10811 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10812 redraw, init, gameMode);
10814 CleanupTail(); // [HGM] vari: delete any stored variations
10815 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10816 pausing = pauseExamInvalid = FALSE;
10817 startedFromSetupPosition = blackPlaysFirst = FALSE;
10819 whiteFlag = blackFlag = FALSE;
10820 userOfferedDraw = FALSE;
10821 hintRequested = bookRequested = FALSE;
10822 first.maybeThinking = FALSE;
10823 second.maybeThinking = FALSE;
10824 first.bookSuspend = FALSE; // [HGM] book
10825 second.bookSuspend = FALSE;
10826 thinkOutput[0] = NULLCHAR;
10827 lastHint[0] = NULLCHAR;
10828 ClearGameInfo(&gameInfo);
10829 gameInfo.variant = StringToVariant(appData.variant);
10830 ics_user_moved = ics_clock_paused = FALSE;
10831 ics_getting_history = H_FALSE;
10833 white_holding[0] = black_holding[0] = NULLCHAR;
10834 ClearProgramStats();
10835 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10839 flipView = appData.flipView;
10840 ClearPremoveHighlights();
10841 gotPremove = FALSE;
10842 alarmSounded = FALSE;
10844 GameEnds(EndOfFile, NULL, GE_PLAYER);
10845 if(appData.serverMovesName != NULL) {
10846 /* [HGM] prepare to make moves file for broadcasting */
10847 clock_t t = clock();
10848 if(serverMoves != NULL) fclose(serverMoves);
10849 serverMoves = fopen(appData.serverMovesName, "r");
10850 if(serverMoves != NULL) {
10851 fclose(serverMoves);
10852 /* delay 15 sec before overwriting, so all clients can see end */
10853 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10855 serverMoves = fopen(appData.serverMovesName, "w");
10859 gameMode = BeginningOfGame;
10861 if(appData.icsActive) gameInfo.variant = VariantNormal;
10862 currentMove = forwardMostMove = backwardMostMove = 0;
10863 MarkTargetSquares(1);
10864 InitPosition(redraw);
10865 for (i = 0; i < MAX_MOVES; i++) {
10866 if (commentList[i] != NULL) {
10867 free(commentList[i]);
10868 commentList[i] = NULL;
10872 timeRemaining[0][0] = whiteTimeRemaining;
10873 timeRemaining[1][0] = blackTimeRemaining;
10875 if (first.pr == NoProc) {
10876 StartChessProgram(&first);
10879 InitChessProgram(&first, startedFromSetupPosition);
10882 DisplayMessage("", "");
10883 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10884 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10885 ClearMap(); // [HGM] exclude: invalidate map
10889 AutoPlayGameLoop ()
10892 if (!AutoPlayOneMove())
10894 if (matchMode || appData.timeDelay == 0)
10896 if (appData.timeDelay < 0)
10898 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10907 int fromX, fromY, toX, toY;
10909 if (appData.debugMode) {
10910 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10913 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10916 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10917 pvInfoList[currentMove].depth = programStats.depth;
10918 pvInfoList[currentMove].score = programStats.score;
10919 pvInfoList[currentMove].time = 0;
10920 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10923 if (currentMove >= forwardMostMove) {
10924 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10925 // gameMode = EndOfGame;
10926 // ModeHighlight();
10928 /* [AS] Clear current move marker at the end of a game */
10929 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10934 toX = moveList[currentMove][2] - AAA;
10935 toY = moveList[currentMove][3] - ONE;
10937 if (moveList[currentMove][1] == '@') {
10938 if (appData.highlightLastMove) {
10939 SetHighlights(-1, -1, toX, toY);
10942 fromX = moveList[currentMove][0] - AAA;
10943 fromY = moveList[currentMove][1] - ONE;
10945 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10947 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10949 if (appData.highlightLastMove) {
10950 SetHighlights(fromX, fromY, toX, toY);
10953 DisplayMove(currentMove);
10954 SendMoveToProgram(currentMove++, &first);
10955 DisplayBothClocks();
10956 DrawPosition(FALSE, boards[currentMove]);
10957 // [HGM] PV info: always display, routine tests if empty
10958 DisplayComment(currentMove - 1, commentList[currentMove]);
10964 LoadGameOneMove (ChessMove readAhead)
10966 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10967 char promoChar = NULLCHAR;
10968 ChessMove moveType;
10969 char move[MSG_SIZ];
10972 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10973 gameMode != AnalyzeMode && gameMode != Training) {
10978 yyboardindex = forwardMostMove;
10979 if (readAhead != EndOfFile) {
10980 moveType = readAhead;
10982 if (gameFileFP == NULL)
10984 moveType = (ChessMove) Myylex();
10988 switch (moveType) {
10990 if (appData.debugMode)
10991 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10994 /* append the comment but don't display it */
10995 AppendComment(currentMove, p, FALSE);
10998 case WhiteCapturesEnPassant:
10999 case BlackCapturesEnPassant:
11000 case WhitePromotion:
11001 case BlackPromotion:
11002 case WhiteNonPromotion:
11003 case BlackNonPromotion:
11005 case WhiteKingSideCastle:
11006 case WhiteQueenSideCastle:
11007 case BlackKingSideCastle:
11008 case BlackQueenSideCastle:
11009 case WhiteKingSideCastleWild:
11010 case WhiteQueenSideCastleWild:
11011 case BlackKingSideCastleWild:
11012 case BlackQueenSideCastleWild:
11014 case WhiteHSideCastleFR:
11015 case WhiteASideCastleFR:
11016 case BlackHSideCastleFR:
11017 case BlackASideCastleFR:
11019 if (appData.debugMode)
11020 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11021 fromX = currentMoveString[0] - AAA;
11022 fromY = currentMoveString[1] - ONE;
11023 toX = currentMoveString[2] - AAA;
11024 toY = currentMoveString[3] - ONE;
11025 promoChar = currentMoveString[4];
11030 if (appData.debugMode)
11031 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11032 fromX = moveType == WhiteDrop ?
11033 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11034 (int) CharToPiece(ToLower(currentMoveString[0]));
11036 toX = currentMoveString[2] - AAA;
11037 toY = currentMoveString[3] - ONE;
11043 case GameUnfinished:
11044 if (appData.debugMode)
11045 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11046 p = strchr(yy_text, '{');
11047 if (p == NULL) p = strchr(yy_text, '(');
11050 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11052 q = strchr(p, *p == '{' ? '}' : ')');
11053 if (q != NULL) *q = NULLCHAR;
11056 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11057 GameEnds(moveType, p, GE_FILE);
11059 if (cmailMsgLoaded) {
11061 flipView = WhiteOnMove(currentMove);
11062 if (moveType == GameUnfinished) flipView = !flipView;
11063 if (appData.debugMode)
11064 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11069 if (appData.debugMode)
11070 fprintf(debugFP, "Parser hit end of file\n");
11071 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11077 if (WhiteOnMove(currentMove)) {
11078 GameEnds(BlackWins, "Black mates", GE_FILE);
11080 GameEnds(WhiteWins, "White mates", GE_FILE);
11084 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11090 case MoveNumberOne:
11091 if (lastLoadGameStart == GNUChessGame) {
11092 /* GNUChessGames have numbers, but they aren't move numbers */
11093 if (appData.debugMode)
11094 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11095 yy_text, (int) moveType);
11096 return LoadGameOneMove(EndOfFile); /* tail recursion */
11098 /* else fall thru */
11103 /* Reached start of next game in file */
11104 if (appData.debugMode)
11105 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11106 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11112 if (WhiteOnMove(currentMove)) {
11113 GameEnds(BlackWins, "Black mates", GE_FILE);
11115 GameEnds(WhiteWins, "White mates", GE_FILE);
11119 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11125 case PositionDiagram: /* should not happen; ignore */
11126 case ElapsedTime: /* ignore */
11127 case NAG: /* ignore */
11128 if (appData.debugMode)
11129 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11130 yy_text, (int) moveType);
11131 return LoadGameOneMove(EndOfFile); /* tail recursion */
11134 if (appData.testLegality) {
11135 if (appData.debugMode)
11136 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11137 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11138 (forwardMostMove / 2) + 1,
11139 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11140 DisplayError(move, 0);
11143 if (appData.debugMode)
11144 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11145 yy_text, currentMoveString);
11146 fromX = currentMoveString[0] - AAA;
11147 fromY = currentMoveString[1] - ONE;
11148 toX = currentMoveString[2] - AAA;
11149 toY = currentMoveString[3] - ONE;
11150 promoChar = currentMoveString[4];
11154 case AmbiguousMove:
11155 if (appData.debugMode)
11156 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11157 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11158 (forwardMostMove / 2) + 1,
11159 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11160 DisplayError(move, 0);
11165 case ImpossibleMove:
11166 if (appData.debugMode)
11167 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11168 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11169 (forwardMostMove / 2) + 1,
11170 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11171 DisplayError(move, 0);
11177 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11178 DrawPosition(FALSE, boards[currentMove]);
11179 DisplayBothClocks();
11180 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11181 DisplayComment(currentMove - 1, commentList[currentMove]);
11183 (void) StopLoadGameTimer();
11185 cmailOldMove = forwardMostMove;
11188 /* currentMoveString is set as a side-effect of yylex */
11190 thinkOutput[0] = NULLCHAR;
11191 MakeMove(fromX, fromY, toX, toY, promoChar);
11192 currentMove = forwardMostMove;
11197 /* Load the nth game from the given file */
11199 LoadGameFromFile (char *filename, int n, char *title, int useList)
11204 if (strcmp(filename, "-") == 0) {
11208 f = fopen(filename, "rb");
11210 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11211 DisplayError(buf, errno);
11215 if (fseek(f, 0, 0) == -1) {
11216 /* f is not seekable; probably a pipe */
11219 if (useList && n == 0) {
11220 int error = GameListBuild(f);
11222 DisplayError(_("Cannot build game list"), error);
11223 } else if (!ListEmpty(&gameList) &&
11224 ((ListGame *) gameList.tailPred)->number > 1) {
11225 GameListPopUp(f, title);
11232 return LoadGame(f, n, title, FALSE);
11237 MakeRegisteredMove ()
11239 int fromX, fromY, toX, toY;
11241 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11242 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11245 if (appData.debugMode)
11246 fprintf(debugFP, "Restoring %s for game %d\n",
11247 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11249 thinkOutput[0] = NULLCHAR;
11250 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11251 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11252 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11253 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11254 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11255 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11256 MakeMove(fromX, fromY, toX, toY, promoChar);
11257 ShowMove(fromX, fromY, toX, toY);
11259 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11266 if (WhiteOnMove(currentMove)) {
11267 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11269 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11274 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11281 if (WhiteOnMove(currentMove)) {
11282 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11284 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11289 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11300 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11302 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11306 if (gameNumber > nCmailGames) {
11307 DisplayError(_("No more games in this message"), 0);
11310 if (f == lastLoadGameFP) {
11311 int offset = gameNumber - lastLoadGameNumber;
11313 cmailMsg[0] = NULLCHAR;
11314 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11315 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11316 nCmailMovesRegistered--;
11318 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11319 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11320 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11323 if (! RegisterMove()) return FALSE;
11327 retVal = LoadGame(f, gameNumber, title, useList);
11329 /* Make move registered during previous look at this game, if any */
11330 MakeRegisteredMove();
11332 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11333 commentList[currentMove]
11334 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11335 DisplayComment(currentMove - 1, commentList[currentMove]);
11341 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11343 ReloadGame (int offset)
11345 int gameNumber = lastLoadGameNumber + offset;
11346 if (lastLoadGameFP == NULL) {
11347 DisplayError(_("No game has been loaded yet"), 0);
11350 if (gameNumber <= 0) {
11351 DisplayError(_("Can't back up any further"), 0);
11354 if (cmailMsgLoaded) {
11355 return CmailLoadGame(lastLoadGameFP, gameNumber,
11356 lastLoadGameTitle, lastLoadGameUseList);
11358 return LoadGame(lastLoadGameFP, gameNumber,
11359 lastLoadGameTitle, lastLoadGameUseList);
11363 int keys[EmptySquare+1];
11366 PositionMatches (Board b1, Board b2)
11369 switch(appData.searchMode) {
11370 case 1: return CompareWithRights(b1, b2);
11372 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11373 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11377 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11378 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11379 sum += keys[b1[r][f]] - keys[b2[r][f]];
11383 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11384 sum += keys[b1[r][f]] - keys[b2[r][f]];
11396 int pieceList[256], quickBoard[256];
11397 ChessSquare pieceType[256] = { EmptySquare };
11398 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11399 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11400 int soughtTotal, turn;
11401 Boolean epOK, flipSearch;
11404 unsigned char piece, to;
11407 #define DSIZE (250000)
11409 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11410 Move *moveDatabase = initialSpace;
11411 unsigned int movePtr, dataSize = DSIZE;
11414 MakePieceList (Board board, int *counts)
11416 int r, f, n=Q_PROMO, total=0;
11417 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11418 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11419 int sq = f + (r<<4);
11420 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11421 quickBoard[sq] = ++n;
11423 pieceType[n] = board[r][f];
11424 counts[board[r][f]]++;
11425 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11426 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11430 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11435 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11437 int sq = fromX + (fromY<<4);
11438 int piece = quickBoard[sq];
11439 quickBoard[sq] = 0;
11440 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11441 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11442 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11443 moveDatabase[movePtr++].piece = Q_WCASTL;
11444 quickBoard[sq] = piece;
11445 piece = quickBoard[from]; quickBoard[from] = 0;
11446 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11448 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11449 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11450 moveDatabase[movePtr++].piece = Q_BCASTL;
11451 quickBoard[sq] = piece;
11452 piece = quickBoard[from]; quickBoard[from] = 0;
11453 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11455 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11456 quickBoard[(fromY<<4)+toX] = 0;
11457 moveDatabase[movePtr].piece = Q_EP;
11458 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11459 moveDatabase[movePtr].to = sq;
11461 if(promoPiece != pieceType[piece]) {
11462 moveDatabase[movePtr++].piece = Q_PROMO;
11463 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11465 moveDatabase[movePtr].piece = piece;
11466 quickBoard[sq] = piece;
11471 PackGame (Board board)
11473 Move *newSpace = NULL;
11474 moveDatabase[movePtr].piece = 0; // terminate previous game
11475 if(movePtr > dataSize) {
11476 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11477 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11478 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11481 Move *p = moveDatabase, *q = newSpace;
11482 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11483 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11484 moveDatabase = newSpace;
11485 } else { // calloc failed, we must be out of memory. Too bad...
11486 dataSize = 0; // prevent calloc events for all subsequent games
11487 return 0; // and signal this one isn't cached
11491 MakePieceList(board, counts);
11496 QuickCompare (Board board, int *minCounts, int *maxCounts)
11497 { // compare according to search mode
11499 switch(appData.searchMode)
11501 case 1: // exact position match
11502 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11503 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11504 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11507 case 2: // can have extra material on empty squares
11508 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11509 if(board[r][f] == EmptySquare) continue;
11510 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11513 case 3: // material with exact Pawn structure
11514 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11515 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11516 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11517 } // fall through to material comparison
11518 case 4: // exact material
11519 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11521 case 6: // material range with given imbalance
11522 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11523 // fall through to range comparison
11524 case 5: // material range
11525 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11531 QuickScan (Board board, Move *move)
11532 { // reconstruct game,and compare all positions in it
11533 int cnt=0, stretch=0, total = MakePieceList(board, counts), delayedKing = -1;
11535 int piece = move->piece;
11536 int to = move->to, from = pieceList[piece];
11537 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11538 if(!piece) return -1;
11539 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11540 piece = (++move)->piece;
11541 from = pieceList[piece];
11542 counts[pieceType[piece]]--;
11543 pieceType[piece] = (ChessSquare) move->to;
11544 counts[move->to]++;
11545 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11546 counts[pieceType[quickBoard[to]]]--;
11547 quickBoard[to] = 0; total--;
11550 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11552 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11553 from = pieceList[piece]; // so this must be King
11554 quickBoard[from] = 0;
11555 pieceList[piece] = to;
11556 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11557 quickBoard[from] = 0; // rook
11558 quickBoard[to] = piece;
11559 to = move->to; piece = move->piece;
11563 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11564 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11565 quickBoard[from] = 0;
11567 quickBoard[to] = piece;
11568 pieceList[piece] = to;
11570 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11571 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11572 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11573 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11575 static int lastCounts[EmptySquare+1];
11577 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11578 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11579 } else stretch = 0;
11580 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11581 move++; delayedKing = -1;
11589 flipSearch = FALSE;
11590 CopyBoard(soughtBoard, boards[currentMove]);
11591 soughtTotal = MakePieceList(soughtBoard, maxSought);
11592 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11593 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11594 CopyBoard(reverseBoard, boards[currentMove]);
11595 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11596 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11597 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11598 reverseBoard[r][f] = piece;
11600 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11601 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11602 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11603 || (boards[currentMove][CASTLING][2] == NoRights ||
11604 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11605 && (boards[currentMove][CASTLING][5] == NoRights ||
11606 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11609 CopyBoard(flipBoard, soughtBoard);
11610 CopyBoard(rotateBoard, reverseBoard);
11611 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11612 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11613 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11616 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11617 if(appData.searchMode >= 5) {
11618 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11619 MakePieceList(soughtBoard, minSought);
11620 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11622 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11623 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11626 GameInfo dummyInfo;
11629 GameContainsPosition (FILE *f, ListGame *lg)
11631 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11632 int fromX, fromY, toX, toY;
11634 static int initDone=FALSE;
11636 // weed out games based on numerical tag comparison
11637 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11638 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11639 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11640 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11642 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11645 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11646 else CopyBoard(boards[scratch], initialPosition); // default start position
11649 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11650 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11653 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11654 fseek(f, lg->offset, 0);
11657 yyboardindex = scratch;
11658 quickFlag = plyNr+1;
11663 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11669 if(plyNr) return -1; // after we have seen moves, this is for new game
11672 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11673 case ImpossibleMove:
11674 case WhiteWins: // game ends here with these four
11677 case GameUnfinished:
11681 if(appData.testLegality) return -1;
11682 case WhiteCapturesEnPassant:
11683 case BlackCapturesEnPassant:
11684 case WhitePromotion:
11685 case BlackPromotion:
11686 case WhiteNonPromotion:
11687 case BlackNonPromotion:
11689 case WhiteKingSideCastle:
11690 case WhiteQueenSideCastle:
11691 case BlackKingSideCastle:
11692 case BlackQueenSideCastle:
11693 case WhiteKingSideCastleWild:
11694 case WhiteQueenSideCastleWild:
11695 case BlackKingSideCastleWild:
11696 case BlackQueenSideCastleWild:
11697 case WhiteHSideCastleFR:
11698 case WhiteASideCastleFR:
11699 case BlackHSideCastleFR:
11700 case BlackASideCastleFR:
11701 fromX = currentMoveString[0] - AAA;
11702 fromY = currentMoveString[1] - ONE;
11703 toX = currentMoveString[2] - AAA;
11704 toY = currentMoveString[3] - ONE;
11705 promoChar = currentMoveString[4];
11709 fromX = next == WhiteDrop ?
11710 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11711 (int) CharToPiece(ToLower(currentMoveString[0]));
11713 toX = currentMoveString[2] - AAA;
11714 toY = currentMoveString[3] - ONE;
11718 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11720 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11721 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11722 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11723 if(appData.findMirror) {
11724 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11725 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11730 /* Load the nth game from open file f */
11732 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11736 int gn = gameNumber;
11737 ListGame *lg = NULL;
11738 int numPGNTags = 0;
11740 GameMode oldGameMode;
11741 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11743 if (appData.debugMode)
11744 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11746 if (gameMode == Training )
11747 SetTrainingModeOff();
11749 oldGameMode = gameMode;
11750 if (gameMode != BeginningOfGame) {
11751 Reset(FALSE, TRUE);
11755 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11756 fclose(lastLoadGameFP);
11760 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11763 fseek(f, lg->offset, 0);
11764 GameListHighlight(gameNumber);
11765 pos = lg->position;
11769 DisplayError(_("Game number out of range"), 0);
11774 if (fseek(f, 0, 0) == -1) {
11775 if (f == lastLoadGameFP ?
11776 gameNumber == lastLoadGameNumber + 1 :
11780 DisplayError(_("Can't seek on game file"), 0);
11785 lastLoadGameFP = f;
11786 lastLoadGameNumber = gameNumber;
11787 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11788 lastLoadGameUseList = useList;
11792 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11793 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11794 lg->gameInfo.black);
11796 } else if (*title != NULLCHAR) {
11797 if (gameNumber > 1) {
11798 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11801 DisplayTitle(title);
11805 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11806 gameMode = PlayFromGameFile;
11810 currentMove = forwardMostMove = backwardMostMove = 0;
11811 CopyBoard(boards[0], initialPosition);
11815 * Skip the first gn-1 games in the file.
11816 * Also skip over anything that precedes an identifiable
11817 * start of game marker, to avoid being confused by
11818 * garbage at the start of the file. Currently
11819 * recognized start of game markers are the move number "1",
11820 * the pattern "gnuchess .* game", the pattern
11821 * "^[#;%] [^ ]* game file", and a PGN tag block.
11822 * A game that starts with one of the latter two patterns
11823 * will also have a move number 1, possibly
11824 * following a position diagram.
11825 * 5-4-02: Let's try being more lenient and allowing a game to
11826 * start with an unnumbered move. Does that break anything?
11828 cm = lastLoadGameStart = EndOfFile;
11830 yyboardindex = forwardMostMove;
11831 cm = (ChessMove) Myylex();
11834 if (cmailMsgLoaded) {
11835 nCmailGames = CMAIL_MAX_GAMES - gn;
11838 DisplayError(_("Game not found in file"), 0);
11845 lastLoadGameStart = cm;
11848 case MoveNumberOne:
11849 switch (lastLoadGameStart) {
11854 case MoveNumberOne:
11856 gn--; /* count this game */
11857 lastLoadGameStart = cm;
11866 switch (lastLoadGameStart) {
11869 case MoveNumberOne:
11871 gn--; /* count this game */
11872 lastLoadGameStart = cm;
11875 lastLoadGameStart = cm; /* game counted already */
11883 yyboardindex = forwardMostMove;
11884 cm = (ChessMove) Myylex();
11885 } while (cm == PGNTag || cm == Comment);
11892 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11893 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11894 != CMAIL_OLD_RESULT) {
11896 cmailResult[ CMAIL_MAX_GAMES
11897 - gn - 1] = CMAIL_OLD_RESULT;
11903 /* Only a NormalMove can be at the start of a game
11904 * without a position diagram. */
11905 if (lastLoadGameStart == EndOfFile ) {
11907 lastLoadGameStart = MoveNumberOne;
11916 if (appData.debugMode)
11917 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11919 if (cm == XBoardGame) {
11920 /* Skip any header junk before position diagram and/or move 1 */
11922 yyboardindex = forwardMostMove;
11923 cm = (ChessMove) Myylex();
11925 if (cm == EndOfFile ||
11926 cm == GNUChessGame || cm == XBoardGame) {
11927 /* Empty game; pretend end-of-file and handle later */
11932 if (cm == MoveNumberOne || cm == PositionDiagram ||
11933 cm == PGNTag || cm == Comment)
11936 } else if (cm == GNUChessGame) {
11937 if (gameInfo.event != NULL) {
11938 free(gameInfo.event);
11940 gameInfo.event = StrSave(yy_text);
11943 startedFromSetupPosition = FALSE;
11944 while (cm == PGNTag) {
11945 if (appData.debugMode)
11946 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11947 err = ParsePGNTag(yy_text, &gameInfo);
11948 if (!err) numPGNTags++;
11950 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11951 if(gameInfo.variant != oldVariant) {
11952 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11953 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11954 InitPosition(TRUE);
11955 oldVariant = gameInfo.variant;
11956 if (appData.debugMode)
11957 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11961 if (gameInfo.fen != NULL) {
11962 Board initial_position;
11963 startedFromSetupPosition = TRUE;
11964 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11966 DisplayError(_("Bad FEN position in file"), 0);
11969 CopyBoard(boards[0], initial_position);
11970 if (blackPlaysFirst) {
11971 currentMove = forwardMostMove = backwardMostMove = 1;
11972 CopyBoard(boards[1], initial_position);
11973 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11974 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11975 timeRemaining[0][1] = whiteTimeRemaining;
11976 timeRemaining[1][1] = blackTimeRemaining;
11977 if (commentList[0] != NULL) {
11978 commentList[1] = commentList[0];
11979 commentList[0] = NULL;
11982 currentMove = forwardMostMove = backwardMostMove = 0;
11984 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11986 initialRulePlies = FENrulePlies;
11987 for( i=0; i< nrCastlingRights; i++ )
11988 initialRights[i] = initial_position[CASTLING][i];
11990 yyboardindex = forwardMostMove;
11991 free(gameInfo.fen);
11992 gameInfo.fen = NULL;
11995 yyboardindex = forwardMostMove;
11996 cm = (ChessMove) Myylex();
11998 /* Handle comments interspersed among the tags */
11999 while (cm == Comment) {
12001 if (appData.debugMode)
12002 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12004 AppendComment(currentMove, p, FALSE);
12005 yyboardindex = forwardMostMove;
12006 cm = (ChessMove) Myylex();
12010 /* don't rely on existence of Event tag since if game was
12011 * pasted from clipboard the Event tag may not exist
12013 if (numPGNTags > 0){
12015 if (gameInfo.variant == VariantNormal) {
12016 VariantClass v = StringToVariant(gameInfo.event);
12017 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12018 if(v < VariantShogi) gameInfo.variant = v;
12021 if( appData.autoDisplayTags ) {
12022 tags = PGNTags(&gameInfo);
12023 TagsPopUp(tags, CmailMsg());
12028 /* Make something up, but don't display it now */
12033 if (cm == PositionDiagram) {
12036 Board initial_position;
12038 if (appData.debugMode)
12039 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12041 if (!startedFromSetupPosition) {
12043 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12044 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12055 initial_position[i][j++] = CharToPiece(*p);
12058 while (*p == ' ' || *p == '\t' ||
12059 *p == '\n' || *p == '\r') p++;
12061 if (strncmp(p, "black", strlen("black"))==0)
12062 blackPlaysFirst = TRUE;
12064 blackPlaysFirst = FALSE;
12065 startedFromSetupPosition = TRUE;
12067 CopyBoard(boards[0], initial_position);
12068 if (blackPlaysFirst) {
12069 currentMove = forwardMostMove = backwardMostMove = 1;
12070 CopyBoard(boards[1], initial_position);
12071 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12072 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12073 timeRemaining[0][1] = whiteTimeRemaining;
12074 timeRemaining[1][1] = blackTimeRemaining;
12075 if (commentList[0] != NULL) {
12076 commentList[1] = commentList[0];
12077 commentList[0] = NULL;
12080 currentMove = forwardMostMove = backwardMostMove = 0;
12083 yyboardindex = forwardMostMove;
12084 cm = (ChessMove) Myylex();
12087 if (first.pr == NoProc) {
12088 StartChessProgram(&first);
12090 InitChessProgram(&first, FALSE);
12091 SendToProgram("force\n", &first);
12092 if (startedFromSetupPosition) {
12093 SendBoard(&first, forwardMostMove);
12094 if (appData.debugMode) {
12095 fprintf(debugFP, "Load Game\n");
12097 DisplayBothClocks();
12100 /* [HGM] server: flag to write setup moves in broadcast file as one */
12101 loadFlag = appData.suppressLoadMoves;
12103 while (cm == Comment) {
12105 if (appData.debugMode)
12106 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12108 AppendComment(currentMove, p, FALSE);
12109 yyboardindex = forwardMostMove;
12110 cm = (ChessMove) Myylex();
12113 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12114 cm == WhiteWins || cm == BlackWins ||
12115 cm == GameIsDrawn || cm == GameUnfinished) {
12116 DisplayMessage("", _("No moves in game"));
12117 if (cmailMsgLoaded) {
12118 if (appData.debugMode)
12119 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12123 DrawPosition(FALSE, boards[currentMove]);
12124 DisplayBothClocks();
12125 gameMode = EditGame;
12132 // [HGM] PV info: routine tests if comment empty
12133 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12134 DisplayComment(currentMove - 1, commentList[currentMove]);
12136 if (!matchMode && appData.timeDelay != 0)
12137 DrawPosition(FALSE, boards[currentMove]);
12139 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12140 programStats.ok_to_send = 1;
12143 /* if the first token after the PGN tags is a move
12144 * and not move number 1, retrieve it from the parser
12146 if (cm != MoveNumberOne)
12147 LoadGameOneMove(cm);
12149 /* load the remaining moves from the file */
12150 while (LoadGameOneMove(EndOfFile)) {
12151 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12152 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12155 /* rewind to the start of the game */
12156 currentMove = backwardMostMove;
12158 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12160 if (oldGameMode == AnalyzeFile ||
12161 oldGameMode == AnalyzeMode) {
12162 AnalyzeFileEvent();
12165 if (!matchMode && pos > 0) {
12166 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12168 if (matchMode || appData.timeDelay == 0) {
12170 } else if (appData.timeDelay > 0) {
12171 AutoPlayGameLoop();
12174 if (appData.debugMode)
12175 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12177 loadFlag = 0; /* [HGM] true game starts */
12181 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12183 ReloadPosition (int offset)
12185 int positionNumber = lastLoadPositionNumber + offset;
12186 if (lastLoadPositionFP == NULL) {
12187 DisplayError(_("No position has been loaded yet"), 0);
12190 if (positionNumber <= 0) {
12191 DisplayError(_("Can't back up any further"), 0);
12194 return LoadPosition(lastLoadPositionFP, positionNumber,
12195 lastLoadPositionTitle);
12198 /* Load the nth position from the given file */
12200 LoadPositionFromFile (char *filename, int n, char *title)
12205 if (strcmp(filename, "-") == 0) {
12206 return LoadPosition(stdin, n, "stdin");
12208 f = fopen(filename, "rb");
12210 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12211 DisplayError(buf, errno);
12214 return LoadPosition(f, n, title);
12219 /* Load the nth position from the given open file, and close it */
12221 LoadPosition (FILE *f, int positionNumber, char *title)
12223 char *p, line[MSG_SIZ];
12224 Board initial_position;
12225 int i, j, fenMode, pn;
12227 if (gameMode == Training )
12228 SetTrainingModeOff();
12230 if (gameMode != BeginningOfGame) {
12231 Reset(FALSE, TRUE);
12233 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12234 fclose(lastLoadPositionFP);
12236 if (positionNumber == 0) positionNumber = 1;
12237 lastLoadPositionFP = f;
12238 lastLoadPositionNumber = positionNumber;
12239 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12240 if (first.pr == NoProc && !appData.noChessProgram) {
12241 StartChessProgram(&first);
12242 InitChessProgram(&first, FALSE);
12244 pn = positionNumber;
12245 if (positionNumber < 0) {
12246 /* Negative position number means to seek to that byte offset */
12247 if (fseek(f, -positionNumber, 0) == -1) {
12248 DisplayError(_("Can't seek on position file"), 0);
12253 if (fseek(f, 0, 0) == -1) {
12254 if (f == lastLoadPositionFP ?
12255 positionNumber == lastLoadPositionNumber + 1 :
12256 positionNumber == 1) {
12259 DisplayError(_("Can't seek on position file"), 0);
12264 /* See if this file is FEN or old-style xboard */
12265 if (fgets(line, MSG_SIZ, f) == NULL) {
12266 DisplayError(_("Position not found in file"), 0);
12269 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12270 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12273 if (fenMode || line[0] == '#') pn--;
12275 /* skip positions before number pn */
12276 if (fgets(line, MSG_SIZ, f) == NULL) {
12278 DisplayError(_("Position not found in file"), 0);
12281 if (fenMode || line[0] == '#') pn--;
12286 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12287 DisplayError(_("Bad FEN position in file"), 0);
12291 (void) fgets(line, MSG_SIZ, f);
12292 (void) fgets(line, MSG_SIZ, f);
12294 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12295 (void) fgets(line, MSG_SIZ, f);
12296 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12299 initial_position[i][j++] = CharToPiece(*p);
12303 blackPlaysFirst = FALSE;
12305 (void) fgets(line, MSG_SIZ, f);
12306 if (strncmp(line, "black", strlen("black"))==0)
12307 blackPlaysFirst = TRUE;
12310 startedFromSetupPosition = TRUE;
12312 CopyBoard(boards[0], initial_position);
12313 if (blackPlaysFirst) {
12314 currentMove = forwardMostMove = backwardMostMove = 1;
12315 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12316 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12317 CopyBoard(boards[1], initial_position);
12318 DisplayMessage("", _("Black to play"));
12320 currentMove = forwardMostMove = backwardMostMove = 0;
12321 DisplayMessage("", _("White to play"));
12323 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12324 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12325 SendToProgram("force\n", &first);
12326 SendBoard(&first, forwardMostMove);
12328 if (appData.debugMode) {
12330 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12331 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12332 fprintf(debugFP, "Load Position\n");
12335 if (positionNumber > 1) {
12336 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12337 DisplayTitle(line);
12339 DisplayTitle(title);
12341 gameMode = EditGame;
12344 timeRemaining[0][1] = whiteTimeRemaining;
12345 timeRemaining[1][1] = blackTimeRemaining;
12346 DrawPosition(FALSE, boards[currentMove]);
12353 CopyPlayerNameIntoFileName (char **dest, char *src)
12355 while (*src != NULLCHAR && *src != ',') {
12360 *(*dest)++ = *src++;
12366 DefaultFileName (char *ext)
12368 static char def[MSG_SIZ];
12371 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12373 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12375 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12377 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12384 /* Save the current game to the given file */
12386 SaveGameToFile (char *filename, int append)
12390 int result, i, t,tot=0;
12392 if (strcmp(filename, "-") == 0) {
12393 return SaveGame(stdout, 0, NULL);
12395 for(i=0; i<10; i++) { // upto 10 tries
12396 f = fopen(filename, append ? "a" : "w");
12397 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12398 if(f || errno != 13) break;
12399 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12403 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12404 DisplayError(buf, errno);
12407 safeStrCpy(buf, lastMsg, MSG_SIZ);
12408 DisplayMessage(_("Waiting for access to save file"), "");
12409 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12410 DisplayMessage(_("Saving game"), "");
12411 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12412 result = SaveGame(f, 0, NULL);
12413 DisplayMessage(buf, "");
12420 SavePart (char *str)
12422 static char buf[MSG_SIZ];
12425 p = strchr(str, ' ');
12426 if (p == NULL) return str;
12427 strncpy(buf, str, p - str);
12428 buf[p - str] = NULLCHAR;
12432 #define PGN_MAX_LINE 75
12434 #define PGN_SIDE_WHITE 0
12435 #define PGN_SIDE_BLACK 1
12438 FindFirstMoveOutOfBook (int side)
12442 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12443 int index = backwardMostMove;
12444 int has_book_hit = 0;
12446 if( (index % 2) != side ) {
12450 while( index < forwardMostMove ) {
12451 /* Check to see if engine is in book */
12452 int depth = pvInfoList[index].depth;
12453 int score = pvInfoList[index].score;
12459 else if( score == 0 && depth == 63 ) {
12460 in_book = 1; /* Zappa */
12462 else if( score == 2 && depth == 99 ) {
12463 in_book = 1; /* Abrok */
12466 has_book_hit += in_book;
12482 GetOutOfBookInfo (char * buf)
12486 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12488 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12489 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12493 if( oob[0] >= 0 || oob[1] >= 0 ) {
12494 for( i=0; i<2; i++ ) {
12498 if( i > 0 && oob[0] >= 0 ) {
12499 strcat( buf, " " );
12502 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12503 sprintf( buf+strlen(buf), "%s%.2f",
12504 pvInfoList[idx].score >= 0 ? "+" : "",
12505 pvInfoList[idx].score / 100.0 );
12511 /* Save game in PGN style and close the file */
12513 SaveGamePGN (FILE *f)
12515 int i, offset, linelen, newblock;
12519 int movelen, numlen, blank;
12520 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12522 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12524 tm = time((time_t *) NULL);
12526 PrintPGNTags(f, &gameInfo);
12528 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12530 if (backwardMostMove > 0 || startedFromSetupPosition) {
12531 char *fen = PositionToFEN(backwardMostMove, NULL);
12532 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12533 fprintf(f, "\n{--------------\n");
12534 PrintPosition(f, backwardMostMove);
12535 fprintf(f, "--------------}\n");
12539 /* [AS] Out of book annotation */
12540 if( appData.saveOutOfBookInfo ) {
12543 GetOutOfBookInfo( buf );
12545 if( buf[0] != '\0' ) {
12546 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12553 i = backwardMostMove;
12557 while (i < forwardMostMove) {
12558 /* Print comments preceding this move */
12559 if (commentList[i] != NULL) {
12560 if (linelen > 0) fprintf(f, "\n");
12561 fprintf(f, "%s", commentList[i]);
12566 /* Format move number */
12568 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12571 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12573 numtext[0] = NULLCHAR;
12575 numlen = strlen(numtext);
12578 /* Print move number */
12579 blank = linelen > 0 && numlen > 0;
12580 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12589 fprintf(f, "%s", numtext);
12593 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12594 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12597 blank = linelen > 0 && movelen > 0;
12598 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12607 fprintf(f, "%s", move_buffer);
12608 linelen += movelen;
12610 /* [AS] Add PV info if present */
12611 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12612 /* [HGM] add time */
12613 char buf[MSG_SIZ]; int seconds;
12615 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12621 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12624 seconds = (seconds + 4)/10; // round to full seconds
12626 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12628 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12631 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12632 pvInfoList[i].score >= 0 ? "+" : "",
12633 pvInfoList[i].score / 100.0,
12634 pvInfoList[i].depth,
12637 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12639 /* Print score/depth */
12640 blank = linelen > 0 && movelen > 0;
12641 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12650 fprintf(f, "%s", move_buffer);
12651 linelen += movelen;
12657 /* Start a new line */
12658 if (linelen > 0) fprintf(f, "\n");
12660 /* Print comments after last move */
12661 if (commentList[i] != NULL) {
12662 fprintf(f, "%s\n", commentList[i]);
12666 if (gameInfo.resultDetails != NULL &&
12667 gameInfo.resultDetails[0] != NULLCHAR) {
12668 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12669 PGNResult(gameInfo.result));
12671 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12675 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12679 /* Save game in old style and close the file */
12681 SaveGameOldStyle (FILE *f)
12686 tm = time((time_t *) NULL);
12688 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12691 if (backwardMostMove > 0 || startedFromSetupPosition) {
12692 fprintf(f, "\n[--------------\n");
12693 PrintPosition(f, backwardMostMove);
12694 fprintf(f, "--------------]\n");
12699 i = backwardMostMove;
12700 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12702 while (i < forwardMostMove) {
12703 if (commentList[i] != NULL) {
12704 fprintf(f, "[%s]\n", commentList[i]);
12707 if ((i % 2) == 1) {
12708 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12711 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12713 if (commentList[i] != NULL) {
12717 if (i >= forwardMostMove) {
12721 fprintf(f, "%s\n", parseList[i]);
12726 if (commentList[i] != NULL) {
12727 fprintf(f, "[%s]\n", commentList[i]);
12730 /* This isn't really the old style, but it's close enough */
12731 if (gameInfo.resultDetails != NULL &&
12732 gameInfo.resultDetails[0] != NULLCHAR) {
12733 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12734 gameInfo.resultDetails);
12736 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12743 /* Save the current game to open file f and close the file */
12745 SaveGame (FILE *f, int dummy, char *dummy2)
12747 if (gameMode == EditPosition) EditPositionDone(TRUE);
12748 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12749 if (appData.oldSaveStyle)
12750 return SaveGameOldStyle(f);
12752 return SaveGamePGN(f);
12755 /* Save the current position to the given file */
12757 SavePositionToFile (char *filename)
12762 if (strcmp(filename, "-") == 0) {
12763 return SavePosition(stdout, 0, NULL);
12765 f = fopen(filename, "a");
12767 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12768 DisplayError(buf, errno);
12771 safeStrCpy(buf, lastMsg, MSG_SIZ);
12772 DisplayMessage(_("Waiting for access to save file"), "");
12773 flock(fileno(f), LOCK_EX); // [HGM] lock
12774 DisplayMessage(_("Saving position"), "");
12775 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12776 SavePosition(f, 0, NULL);
12777 DisplayMessage(buf, "");
12783 /* Save the current position to the given open file and close the file */
12785 SavePosition (FILE *f, int dummy, char *dummy2)
12790 if (gameMode == EditPosition) EditPositionDone(TRUE);
12791 if (appData.oldSaveStyle) {
12792 tm = time((time_t *) NULL);
12794 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12796 fprintf(f, "[--------------\n");
12797 PrintPosition(f, currentMove);
12798 fprintf(f, "--------------]\n");
12800 fen = PositionToFEN(currentMove, NULL);
12801 fprintf(f, "%s\n", fen);
12809 ReloadCmailMsgEvent (int unregister)
12812 static char *inFilename = NULL;
12813 static char *outFilename;
12815 struct stat inbuf, outbuf;
12818 /* Any registered moves are unregistered if unregister is set, */
12819 /* i.e. invoked by the signal handler */
12821 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12822 cmailMoveRegistered[i] = FALSE;
12823 if (cmailCommentList[i] != NULL) {
12824 free(cmailCommentList[i]);
12825 cmailCommentList[i] = NULL;
12828 nCmailMovesRegistered = 0;
12831 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12832 cmailResult[i] = CMAIL_NOT_RESULT;
12836 if (inFilename == NULL) {
12837 /* Because the filenames are static they only get malloced once */
12838 /* and they never get freed */
12839 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12840 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12842 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12843 sprintf(outFilename, "%s.out", appData.cmailGameName);
12846 status = stat(outFilename, &outbuf);
12848 cmailMailedMove = FALSE;
12850 status = stat(inFilename, &inbuf);
12851 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12854 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12855 counts the games, notes how each one terminated, etc.
12857 It would be nice to remove this kludge and instead gather all
12858 the information while building the game list. (And to keep it
12859 in the game list nodes instead of having a bunch of fixed-size
12860 parallel arrays.) Note this will require getting each game's
12861 termination from the PGN tags, as the game list builder does
12862 not process the game moves. --mann
12864 cmailMsgLoaded = TRUE;
12865 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12867 /* Load first game in the file or popup game menu */
12868 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12870 #endif /* !WIN32 */
12878 char string[MSG_SIZ];
12880 if ( cmailMailedMove
12881 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12882 return TRUE; /* Allow free viewing */
12885 /* Unregister move to ensure that we don't leave RegisterMove */
12886 /* with the move registered when the conditions for registering no */
12888 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12889 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12890 nCmailMovesRegistered --;
12892 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12894 free(cmailCommentList[lastLoadGameNumber - 1]);
12895 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12899 if (cmailOldMove == -1) {
12900 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12904 if (currentMove > cmailOldMove + 1) {
12905 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12909 if (currentMove < cmailOldMove) {
12910 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12914 if (forwardMostMove > currentMove) {
12915 /* Silently truncate extra moves */
12919 if ( (currentMove == cmailOldMove + 1)
12920 || ( (currentMove == cmailOldMove)
12921 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12922 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12923 if (gameInfo.result != GameUnfinished) {
12924 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12927 if (commentList[currentMove] != NULL) {
12928 cmailCommentList[lastLoadGameNumber - 1]
12929 = StrSave(commentList[currentMove]);
12931 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12933 if (appData.debugMode)
12934 fprintf(debugFP, "Saving %s for game %d\n",
12935 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12937 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12939 f = fopen(string, "w");
12940 if (appData.oldSaveStyle) {
12941 SaveGameOldStyle(f); /* also closes the file */
12943 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12944 f = fopen(string, "w");
12945 SavePosition(f, 0, NULL); /* also closes the file */
12947 fprintf(f, "{--------------\n");
12948 PrintPosition(f, currentMove);
12949 fprintf(f, "--------------}\n\n");
12951 SaveGame(f, 0, NULL); /* also closes the file*/
12954 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12955 nCmailMovesRegistered ++;
12956 } else if (nCmailGames == 1) {
12957 DisplayError(_("You have not made a move yet"), 0);
12968 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12969 FILE *commandOutput;
12970 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12971 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12977 if (! cmailMsgLoaded) {
12978 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12982 if (nCmailGames == nCmailResults) {
12983 DisplayError(_("No unfinished games"), 0);
12987 #if CMAIL_PROHIBIT_REMAIL
12988 if (cmailMailedMove) {
12989 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);
12990 DisplayError(msg, 0);
12995 if (! (cmailMailedMove || RegisterMove())) return;
12997 if ( cmailMailedMove
12998 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12999 snprintf(string, MSG_SIZ, partCommandString,
13000 appData.debugMode ? " -v" : "", appData.cmailGameName);
13001 commandOutput = popen(string, "r");
13003 if (commandOutput == NULL) {
13004 DisplayError(_("Failed to invoke cmail"), 0);
13006 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13007 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13009 if (nBuffers > 1) {
13010 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13011 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13012 nBytes = MSG_SIZ - 1;
13014 (void) memcpy(msg, buffer, nBytes);
13016 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13018 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13019 cmailMailedMove = TRUE; /* Prevent >1 moves */
13022 for (i = 0; i < nCmailGames; i ++) {
13023 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13028 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13030 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13032 appData.cmailGameName,
13034 LoadGameFromFile(buffer, 1, buffer, FALSE);
13035 cmailMsgLoaded = FALSE;
13039 DisplayInformation(msg);
13040 pclose(commandOutput);
13043 if ((*cmailMsg) != '\0') {
13044 DisplayInformation(cmailMsg);
13049 #endif /* !WIN32 */
13058 int prependComma = 0;
13060 char string[MSG_SIZ]; /* Space for game-list */
13063 if (!cmailMsgLoaded) return "";
13065 if (cmailMailedMove) {
13066 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13068 /* Create a list of games left */
13069 snprintf(string, MSG_SIZ, "[");
13070 for (i = 0; i < nCmailGames; i ++) {
13071 if (! ( cmailMoveRegistered[i]
13072 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13073 if (prependComma) {
13074 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13076 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13080 strcat(string, number);
13083 strcat(string, "]");
13085 if (nCmailMovesRegistered + nCmailResults == 0) {
13086 switch (nCmailGames) {
13088 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13092 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13096 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13101 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13103 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13108 if (nCmailResults == nCmailGames) {
13109 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13111 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13116 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13128 if (gameMode == Training)
13129 SetTrainingModeOff();
13132 cmailMsgLoaded = FALSE;
13133 if (appData.icsActive) {
13134 SendToICS(ics_prefix);
13135 SendToICS("refresh\n");
13140 ExitEvent (int status)
13144 /* Give up on clean exit */
13148 /* Keep trying for clean exit */
13152 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13154 if (telnetISR != NULL) {
13155 RemoveInputSource(telnetISR);
13157 if (icsPR != NoProc) {
13158 DestroyChildProcess(icsPR, TRUE);
13161 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13162 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13164 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13165 /* make sure this other one finishes before killing it! */
13166 if(endingGame) { int count = 0;
13167 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13168 while(endingGame && count++ < 10) DoSleep(1);
13169 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13172 /* Kill off chess programs */
13173 if (first.pr != NoProc) {
13176 DoSleep( appData.delayBeforeQuit );
13177 SendToProgram("quit\n", &first);
13178 DoSleep( appData.delayAfterQuit );
13179 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13181 if (second.pr != NoProc) {
13182 DoSleep( appData.delayBeforeQuit );
13183 SendToProgram("quit\n", &second);
13184 DoSleep( appData.delayAfterQuit );
13185 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13187 if (first.isr != NULL) {
13188 RemoveInputSource(first.isr);
13190 if (second.isr != NULL) {
13191 RemoveInputSource(second.isr);
13194 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13195 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13197 ShutDownFrontEnd();
13204 if (appData.debugMode)
13205 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13209 if (gameMode == MachinePlaysWhite ||
13210 gameMode == MachinePlaysBlack) {
13213 DisplayBothClocks();
13215 if (gameMode == PlayFromGameFile) {
13216 if (appData.timeDelay >= 0)
13217 AutoPlayGameLoop();
13218 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13219 Reset(FALSE, TRUE);
13220 SendToICS(ics_prefix);
13221 SendToICS("refresh\n");
13222 } else if (currentMove < forwardMostMove) {
13223 ForwardInner(forwardMostMove);
13225 pauseExamInvalid = FALSE;
13227 switch (gameMode) {
13231 pauseExamForwardMostMove = forwardMostMove;
13232 pauseExamInvalid = FALSE;
13235 case IcsPlayingWhite:
13236 case IcsPlayingBlack:
13240 case PlayFromGameFile:
13241 (void) StopLoadGameTimer();
13245 case BeginningOfGame:
13246 if (appData.icsActive) return;
13247 /* else fall through */
13248 case MachinePlaysWhite:
13249 case MachinePlaysBlack:
13250 case TwoMachinesPlay:
13251 if (forwardMostMove == 0)
13252 return; /* don't pause if no one has moved */
13253 if ((gameMode == MachinePlaysWhite &&
13254 !WhiteOnMove(forwardMostMove)) ||
13255 (gameMode == MachinePlaysBlack &&
13256 WhiteOnMove(forwardMostMove))) {
13267 EditCommentEvent ()
13269 char title[MSG_SIZ];
13271 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13272 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13274 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13275 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13276 parseList[currentMove - 1]);
13279 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13286 char *tags = PGNTags(&gameInfo);
13288 EditTagsPopUp(tags, NULL);
13293 AnalyzeModeEvent ()
13295 if (appData.noChessProgram || gameMode == AnalyzeMode)
13298 if (gameMode != AnalyzeFile) {
13299 if (!appData.icsEngineAnalyze) {
13301 if (gameMode != EditGame) return;
13303 ResurrectChessProgram();
13304 SendToProgram("analyze\n", &first);
13305 first.analyzing = TRUE;
13306 /*first.maybeThinking = TRUE;*/
13307 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13308 EngineOutputPopUp();
13310 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13315 StartAnalysisClock();
13316 GetTimeMark(&lastNodeCountTime);
13321 AnalyzeFileEvent ()
13323 if (appData.noChessProgram || gameMode == AnalyzeFile)
13326 if (gameMode != AnalyzeMode) {
13328 if (gameMode != EditGame) return;
13329 ResurrectChessProgram();
13330 SendToProgram("analyze\n", &first);
13331 first.analyzing = TRUE;
13332 /*first.maybeThinking = TRUE;*/
13333 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13334 EngineOutputPopUp();
13336 gameMode = AnalyzeFile;
13341 StartAnalysisClock();
13342 GetTimeMark(&lastNodeCountTime);
13344 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13348 MachineWhiteEvent ()
13351 char *bookHit = NULL;
13353 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13357 if (gameMode == PlayFromGameFile ||
13358 gameMode == TwoMachinesPlay ||
13359 gameMode == Training ||
13360 gameMode == AnalyzeMode ||
13361 gameMode == EndOfGame)
13364 if (gameMode == EditPosition)
13365 EditPositionDone(TRUE);
13367 if (!WhiteOnMove(currentMove)) {
13368 DisplayError(_("It is not White's turn"), 0);
13372 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13375 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13376 gameMode == AnalyzeFile)
13379 ResurrectChessProgram(); /* in case it isn't running */
13380 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13381 gameMode = MachinePlaysWhite;
13384 gameMode = MachinePlaysWhite;
13388 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13390 if (first.sendName) {
13391 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13392 SendToProgram(buf, &first);
13394 if (first.sendTime) {
13395 if (first.useColors) {
13396 SendToProgram("black\n", &first); /*gnu kludge*/
13398 SendTimeRemaining(&first, TRUE);
13400 if (first.useColors) {
13401 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13403 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13404 SetMachineThinkingEnables();
13405 first.maybeThinking = TRUE;
13409 if (appData.autoFlipView && !flipView) {
13410 flipView = !flipView;
13411 DrawPosition(FALSE, NULL);
13412 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13415 if(bookHit) { // [HGM] book: simulate book reply
13416 static char bookMove[MSG_SIZ]; // a bit generous?
13418 programStats.nodes = programStats.depth = programStats.time =
13419 programStats.score = programStats.got_only_move = 0;
13420 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13422 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13423 strcat(bookMove, bookHit);
13424 HandleMachineMove(bookMove, &first);
13429 MachineBlackEvent ()
13432 char *bookHit = NULL;
13434 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13438 if (gameMode == PlayFromGameFile ||
13439 gameMode == TwoMachinesPlay ||
13440 gameMode == Training ||
13441 gameMode == AnalyzeMode ||
13442 gameMode == EndOfGame)
13445 if (gameMode == EditPosition)
13446 EditPositionDone(TRUE);
13448 if (WhiteOnMove(currentMove)) {
13449 DisplayError(_("It is not Black's turn"), 0);
13453 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13456 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13457 gameMode == AnalyzeFile)
13460 ResurrectChessProgram(); /* in case it isn't running */
13461 gameMode = MachinePlaysBlack;
13465 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13467 if (first.sendName) {
13468 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13469 SendToProgram(buf, &first);
13471 if (first.sendTime) {
13472 if (first.useColors) {
13473 SendToProgram("white\n", &first); /*gnu kludge*/
13475 SendTimeRemaining(&first, FALSE);
13477 if (first.useColors) {
13478 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13480 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13481 SetMachineThinkingEnables();
13482 first.maybeThinking = TRUE;
13485 if (appData.autoFlipView && flipView) {
13486 flipView = !flipView;
13487 DrawPosition(FALSE, NULL);
13488 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13490 if(bookHit) { // [HGM] book: simulate book reply
13491 static char bookMove[MSG_SIZ]; // a bit generous?
13493 programStats.nodes = programStats.depth = programStats.time =
13494 programStats.score = programStats.got_only_move = 0;
13495 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13497 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13498 strcat(bookMove, bookHit);
13499 HandleMachineMove(bookMove, &first);
13505 DisplayTwoMachinesTitle ()
13508 if (appData.matchGames > 0) {
13509 if(appData.tourneyFile[0]) {
13510 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13511 gameInfo.white, _("vs."), gameInfo.black,
13512 nextGame+1, appData.matchGames+1,
13513 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13515 if (first.twoMachinesColor[0] == 'w') {
13516 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13517 gameInfo.white, _("vs."), gameInfo.black,
13518 first.matchWins, second.matchWins,
13519 matchGame - 1 - (first.matchWins + second.matchWins));
13521 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13522 gameInfo.white, _("vs."), gameInfo.black,
13523 second.matchWins, first.matchWins,
13524 matchGame - 1 - (first.matchWins + second.matchWins));
13527 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13533 SettingsMenuIfReady ()
13535 if (second.lastPing != second.lastPong) {
13536 DisplayMessage("", _("Waiting for second chess program"));
13537 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13541 DisplayMessage("", "");
13542 SettingsPopUp(&second);
13546 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13549 if (cps->pr == NoProc) {
13550 StartChessProgram(cps);
13551 if (cps->protocolVersion == 1) {
13554 /* kludge: allow timeout for initial "feature" command */
13556 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13557 DisplayMessage("", buf);
13558 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13566 TwoMachinesEvent P((void))
13570 ChessProgramState *onmove;
13571 char *bookHit = NULL;
13572 static int stalling = 0;
13576 if (appData.noChessProgram) return;
13578 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13579 DisplayError("second engine does not play this", 0);
13583 switch (gameMode) {
13584 case TwoMachinesPlay:
13586 case MachinePlaysWhite:
13587 case MachinePlaysBlack:
13588 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13589 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13593 case BeginningOfGame:
13594 case PlayFromGameFile:
13597 if (gameMode != EditGame) return;
13600 EditPositionDone(TRUE);
13611 // forwardMostMove = currentMove;
13612 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13614 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13616 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13617 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13618 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13622 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13623 SendToProgram("force\n", &second);
13625 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13628 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13629 if(appData.matchPause>10000 || appData.matchPause<10)
13630 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13631 wait = SubtractTimeMarks(&now, &pauseStart);
13632 if(wait < appData.matchPause) {
13633 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13636 // we are now committed to starting the game
13638 DisplayMessage("", "");
13639 if (startedFromSetupPosition) {
13640 SendBoard(&second, backwardMostMove);
13641 if (appData.debugMode) {
13642 fprintf(debugFP, "Two Machines\n");
13645 for (i = backwardMostMove; i < forwardMostMove; i++) {
13646 SendMoveToProgram(i, &second);
13649 gameMode = TwoMachinesPlay;
13651 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13653 DisplayTwoMachinesTitle();
13655 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13660 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13661 SendToProgram(first.computerString, &first);
13662 if (first.sendName) {
13663 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13664 SendToProgram(buf, &first);
13666 SendToProgram(second.computerString, &second);
13667 if (second.sendName) {
13668 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13669 SendToProgram(buf, &second);
13673 if (!first.sendTime || !second.sendTime) {
13674 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13675 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13677 if (onmove->sendTime) {
13678 if (onmove->useColors) {
13679 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13681 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13683 if (onmove->useColors) {
13684 SendToProgram(onmove->twoMachinesColor, onmove);
13686 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13687 // SendToProgram("go\n", onmove);
13688 onmove->maybeThinking = TRUE;
13689 SetMachineThinkingEnables();
13693 if(bookHit) { // [HGM] book: simulate book reply
13694 static char bookMove[MSG_SIZ]; // a bit generous?
13696 programStats.nodes = programStats.depth = programStats.time =
13697 programStats.score = programStats.got_only_move = 0;
13698 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13700 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13701 strcat(bookMove, bookHit);
13702 savedMessage = bookMove; // args for deferred call
13703 savedState = onmove;
13704 ScheduleDelayedEvent(DeferredBookMove, 1);
13711 if (gameMode == Training) {
13712 SetTrainingModeOff();
13713 gameMode = PlayFromGameFile;
13714 DisplayMessage("", _("Training mode off"));
13716 gameMode = Training;
13717 animateTraining = appData.animate;
13719 /* make sure we are not already at the end of the game */
13720 if (currentMove < forwardMostMove) {
13721 SetTrainingModeOn();
13722 DisplayMessage("", _("Training mode on"));
13724 gameMode = PlayFromGameFile;
13725 DisplayError(_("Already at end of game"), 0);
13734 if (!appData.icsActive) return;
13735 switch (gameMode) {
13736 case IcsPlayingWhite:
13737 case IcsPlayingBlack:
13740 case BeginningOfGame:
13748 EditPositionDone(TRUE);
13761 gameMode = IcsIdle;
13771 switch (gameMode) {
13773 SetTrainingModeOff();
13775 case MachinePlaysWhite:
13776 case MachinePlaysBlack:
13777 case BeginningOfGame:
13778 SendToProgram("force\n", &first);
13779 SetUserThinkingEnables();
13781 case PlayFromGameFile:
13782 (void) StopLoadGameTimer();
13783 if (gameFileFP != NULL) {
13788 EditPositionDone(TRUE);
13793 SendToProgram("force\n", &first);
13795 case TwoMachinesPlay:
13796 GameEnds(EndOfFile, NULL, GE_PLAYER);
13797 ResurrectChessProgram();
13798 SetUserThinkingEnables();
13801 ResurrectChessProgram();
13803 case IcsPlayingBlack:
13804 case IcsPlayingWhite:
13805 DisplayError(_("Warning: You are still playing a game"), 0);
13808 DisplayError(_("Warning: You are still observing a game"), 0);
13811 DisplayError(_("Warning: You are still examining a game"), 0);
13822 first.offeredDraw = second.offeredDraw = 0;
13824 if (gameMode == PlayFromGameFile) {
13825 whiteTimeRemaining = timeRemaining[0][currentMove];
13826 blackTimeRemaining = timeRemaining[1][currentMove];
13830 if (gameMode == MachinePlaysWhite ||
13831 gameMode == MachinePlaysBlack ||
13832 gameMode == TwoMachinesPlay ||
13833 gameMode == EndOfGame) {
13834 i = forwardMostMove;
13835 while (i > currentMove) {
13836 SendToProgram("undo\n", &first);
13839 if(!adjustedClock) {
13840 whiteTimeRemaining = timeRemaining[0][currentMove];
13841 blackTimeRemaining = timeRemaining[1][currentMove];
13842 DisplayBothClocks();
13844 if (whiteFlag || blackFlag) {
13845 whiteFlag = blackFlag = 0;
13850 gameMode = EditGame;
13857 EditPositionEvent ()
13859 if (gameMode == EditPosition) {
13865 if (gameMode != EditGame) return;
13867 gameMode = EditPosition;
13870 if (currentMove > 0)
13871 CopyBoard(boards[0], boards[currentMove]);
13873 blackPlaysFirst = !WhiteOnMove(currentMove);
13875 currentMove = forwardMostMove = backwardMostMove = 0;
13876 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13878 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13884 /* [DM] icsEngineAnalyze - possible call from other functions */
13885 if (appData.icsEngineAnalyze) {
13886 appData.icsEngineAnalyze = FALSE;
13888 DisplayMessage("",_("Close ICS engine analyze..."));
13890 if (first.analysisSupport && first.analyzing) {
13891 SendToProgram("exit\n", &first);
13892 first.analyzing = FALSE;
13894 thinkOutput[0] = NULLCHAR;
13898 EditPositionDone (Boolean fakeRights)
13900 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13902 startedFromSetupPosition = TRUE;
13903 InitChessProgram(&first, FALSE);
13904 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13905 boards[0][EP_STATUS] = EP_NONE;
13906 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13907 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13908 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13909 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13910 } else boards[0][CASTLING][2] = NoRights;
13911 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13912 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13913 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13914 } else boards[0][CASTLING][5] = NoRights;
13916 SendToProgram("force\n", &first);
13917 if (blackPlaysFirst) {
13918 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13919 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13920 currentMove = forwardMostMove = backwardMostMove = 1;
13921 CopyBoard(boards[1], boards[0]);
13923 currentMove = forwardMostMove = backwardMostMove = 0;
13925 SendBoard(&first, forwardMostMove);
13926 if (appData.debugMode) {
13927 fprintf(debugFP, "EditPosDone\n");
13930 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13931 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13932 gameMode = EditGame;
13934 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13935 ClearHighlights(); /* [AS] */
13938 /* Pause for `ms' milliseconds */
13939 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13941 TimeDelay (long ms)
13948 } while (SubtractTimeMarks(&m2, &m1) < ms);
13951 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13953 SendMultiLineToICS (char *buf)
13955 char temp[MSG_SIZ+1], *p;
13962 strncpy(temp, buf, len);
13967 if (*p == '\n' || *p == '\r')
13972 strcat(temp, "\n");
13974 SendToPlayer(temp, strlen(temp));
13978 SetWhiteToPlayEvent ()
13980 if (gameMode == EditPosition) {
13981 blackPlaysFirst = FALSE;
13982 DisplayBothClocks(); /* works because currentMove is 0 */
13983 } else if (gameMode == IcsExamining) {
13984 SendToICS(ics_prefix);
13985 SendToICS("tomove white\n");
13990 SetBlackToPlayEvent ()
13992 if (gameMode == EditPosition) {
13993 blackPlaysFirst = TRUE;
13994 currentMove = 1; /* kludge */
13995 DisplayBothClocks();
13997 } else if (gameMode == IcsExamining) {
13998 SendToICS(ics_prefix);
13999 SendToICS("tomove black\n");
14004 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14007 ChessSquare piece = boards[0][y][x];
14009 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14011 switch (selection) {
14013 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14014 SendToICS(ics_prefix);
14015 SendToICS("bsetup clear\n");
14016 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14017 SendToICS(ics_prefix);
14018 SendToICS("clearboard\n");
14020 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14021 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14022 for (y = 0; y < BOARD_HEIGHT; y++) {
14023 if (gameMode == IcsExamining) {
14024 if (boards[currentMove][y][x] != EmptySquare) {
14025 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14030 boards[0][y][x] = p;
14035 if (gameMode == EditPosition) {
14036 DrawPosition(FALSE, boards[0]);
14041 SetWhiteToPlayEvent();
14045 SetBlackToPlayEvent();
14049 if (gameMode == IcsExamining) {
14050 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14051 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14054 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14055 if(x == BOARD_LEFT-2) {
14056 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14057 boards[0][y][1] = 0;
14059 if(x == BOARD_RGHT+1) {
14060 if(y >= gameInfo.holdingsSize) break;
14061 boards[0][y][BOARD_WIDTH-2] = 0;
14064 boards[0][y][x] = EmptySquare;
14065 DrawPosition(FALSE, boards[0]);
14070 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14071 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14072 selection = (ChessSquare) (PROMOTED piece);
14073 } else if(piece == EmptySquare) selection = WhiteSilver;
14074 else selection = (ChessSquare)((int)piece - 1);
14078 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14079 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14080 selection = (ChessSquare) (DEMOTED piece);
14081 } else if(piece == EmptySquare) selection = BlackSilver;
14082 else selection = (ChessSquare)((int)piece + 1);
14087 if(gameInfo.variant == VariantShatranj ||
14088 gameInfo.variant == VariantXiangqi ||
14089 gameInfo.variant == VariantCourier ||
14090 gameInfo.variant == VariantMakruk )
14091 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14096 if(gameInfo.variant == VariantXiangqi)
14097 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14098 if(gameInfo.variant == VariantKnightmate)
14099 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14102 if (gameMode == IcsExamining) {
14103 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14104 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14105 PieceToChar(selection), AAA + x, ONE + y);
14108 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14110 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14111 n = PieceToNumber(selection - BlackPawn);
14112 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14113 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14114 boards[0][BOARD_HEIGHT-1-n][1]++;
14116 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14117 n = PieceToNumber(selection);
14118 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14119 boards[0][n][BOARD_WIDTH-1] = selection;
14120 boards[0][n][BOARD_WIDTH-2]++;
14123 boards[0][y][x] = selection;
14124 DrawPosition(TRUE, boards[0]);
14126 fromX = fromY = -1;
14134 DropMenuEvent (ChessSquare selection, int x, int y)
14136 ChessMove moveType;
14138 switch (gameMode) {
14139 case IcsPlayingWhite:
14140 case MachinePlaysBlack:
14141 if (!WhiteOnMove(currentMove)) {
14142 DisplayMoveError(_("It is Black's turn"));
14145 moveType = WhiteDrop;
14147 case IcsPlayingBlack:
14148 case MachinePlaysWhite:
14149 if (WhiteOnMove(currentMove)) {
14150 DisplayMoveError(_("It is White's turn"));
14153 moveType = BlackDrop;
14156 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14162 if (moveType == BlackDrop && selection < BlackPawn) {
14163 selection = (ChessSquare) ((int) selection
14164 + (int) BlackPawn - (int) WhitePawn);
14166 if (boards[currentMove][y][x] != EmptySquare) {
14167 DisplayMoveError(_("That square is occupied"));
14171 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14177 /* Accept a pending offer of any kind from opponent */
14179 if (appData.icsActive) {
14180 SendToICS(ics_prefix);
14181 SendToICS("accept\n");
14182 } else if (cmailMsgLoaded) {
14183 if (currentMove == cmailOldMove &&
14184 commentList[cmailOldMove] != NULL &&
14185 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14186 "Black offers a draw" : "White offers a draw")) {
14188 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14189 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14191 DisplayError(_("There is no pending offer on this move"), 0);
14192 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14195 /* Not used for offers from chess program */
14202 /* Decline a pending offer of any kind from opponent */
14204 if (appData.icsActive) {
14205 SendToICS(ics_prefix);
14206 SendToICS("decline\n");
14207 } else if (cmailMsgLoaded) {
14208 if (currentMove == cmailOldMove &&
14209 commentList[cmailOldMove] != NULL &&
14210 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14211 "Black offers a draw" : "White offers a draw")) {
14213 AppendComment(cmailOldMove, "Draw declined", TRUE);
14214 DisplayComment(cmailOldMove - 1, "Draw declined");
14217 DisplayError(_("There is no pending offer on this move"), 0);
14220 /* Not used for offers from chess program */
14227 /* Issue ICS rematch command */
14228 if (appData.icsActive) {
14229 SendToICS(ics_prefix);
14230 SendToICS("rematch\n");
14237 /* Call your opponent's flag (claim a win on time) */
14238 if (appData.icsActive) {
14239 SendToICS(ics_prefix);
14240 SendToICS("flag\n");
14242 switch (gameMode) {
14245 case MachinePlaysWhite:
14248 GameEnds(GameIsDrawn, "Both players ran out of time",
14251 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14253 DisplayError(_("Your opponent is not out of time"), 0);
14256 case MachinePlaysBlack:
14259 GameEnds(GameIsDrawn, "Both players ran out of time",
14262 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14264 DisplayError(_("Your opponent is not out of time"), 0);
14272 ClockClick (int which)
14273 { // [HGM] code moved to back-end from winboard.c
14274 if(which) { // black clock
14275 if (gameMode == EditPosition || gameMode == IcsExamining) {
14276 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14277 SetBlackToPlayEvent();
14278 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14279 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14280 } else if (shiftKey) {
14281 AdjustClock(which, -1);
14282 } else if (gameMode == IcsPlayingWhite ||
14283 gameMode == MachinePlaysBlack) {
14286 } else { // white clock
14287 if (gameMode == EditPosition || gameMode == IcsExamining) {
14288 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14289 SetWhiteToPlayEvent();
14290 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14291 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14292 } else if (shiftKey) {
14293 AdjustClock(which, -1);
14294 } else if (gameMode == IcsPlayingBlack ||
14295 gameMode == MachinePlaysWhite) {
14304 /* Offer draw or accept pending draw offer from opponent */
14306 if (appData.icsActive) {
14307 /* Note: tournament rules require draw offers to be
14308 made after you make your move but before you punch
14309 your clock. Currently ICS doesn't let you do that;
14310 instead, you immediately punch your clock after making
14311 a move, but you can offer a draw at any time. */
14313 SendToICS(ics_prefix);
14314 SendToICS("draw\n");
14315 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14316 } else if (cmailMsgLoaded) {
14317 if (currentMove == cmailOldMove &&
14318 commentList[cmailOldMove] != NULL &&
14319 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14320 "Black offers a draw" : "White offers a draw")) {
14321 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14322 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14323 } else if (currentMove == cmailOldMove + 1) {
14324 char *offer = WhiteOnMove(cmailOldMove) ?
14325 "White offers a draw" : "Black offers a draw";
14326 AppendComment(currentMove, offer, TRUE);
14327 DisplayComment(currentMove - 1, offer);
14328 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14330 DisplayError(_("You must make your move before offering a draw"), 0);
14331 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14333 } else if (first.offeredDraw) {
14334 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14336 if (first.sendDrawOffers) {
14337 SendToProgram("draw\n", &first);
14338 userOfferedDraw = TRUE;
14346 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14348 if (appData.icsActive) {
14349 SendToICS(ics_prefix);
14350 SendToICS("adjourn\n");
14352 /* Currently GNU Chess doesn't offer or accept Adjourns */
14360 /* Offer Abort or accept pending Abort offer from opponent */
14362 if (appData.icsActive) {
14363 SendToICS(ics_prefix);
14364 SendToICS("abort\n");
14366 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14373 /* Resign. You can do this even if it's not your turn. */
14375 if (appData.icsActive) {
14376 SendToICS(ics_prefix);
14377 SendToICS("resign\n");
14379 switch (gameMode) {
14380 case MachinePlaysWhite:
14381 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14383 case MachinePlaysBlack:
14384 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14387 if (cmailMsgLoaded) {
14389 if (WhiteOnMove(cmailOldMove)) {
14390 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14392 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14394 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14405 StopObservingEvent ()
14407 /* Stop observing current games */
14408 SendToICS(ics_prefix);
14409 SendToICS("unobserve\n");
14413 StopExaminingEvent ()
14415 /* Stop observing current game */
14416 SendToICS(ics_prefix);
14417 SendToICS("unexamine\n");
14421 ForwardInner (int target)
14423 int limit; int oldSeekGraphUp = seekGraphUp;
14425 if (appData.debugMode)
14426 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14427 target, currentMove, forwardMostMove);
14429 if (gameMode == EditPosition)
14432 seekGraphUp = FALSE;
14433 MarkTargetSquares(1);
14435 if (gameMode == PlayFromGameFile && !pausing)
14438 if (gameMode == IcsExamining && pausing)
14439 limit = pauseExamForwardMostMove;
14441 limit = forwardMostMove;
14443 if (target > limit) target = limit;
14445 if (target > 0 && moveList[target - 1][0]) {
14446 int fromX, fromY, toX, toY;
14447 toX = moveList[target - 1][2] - AAA;
14448 toY = moveList[target - 1][3] - ONE;
14449 if (moveList[target - 1][1] == '@') {
14450 if (appData.highlightLastMove) {
14451 SetHighlights(-1, -1, toX, toY);
14454 fromX = moveList[target - 1][0] - AAA;
14455 fromY = moveList[target - 1][1] - ONE;
14456 if (target == currentMove + 1) {
14457 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14459 if (appData.highlightLastMove) {
14460 SetHighlights(fromX, fromY, toX, toY);
14464 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14465 gameMode == Training || gameMode == PlayFromGameFile ||
14466 gameMode == AnalyzeFile) {
14467 while (currentMove < target) {
14468 SendMoveToProgram(currentMove++, &first);
14471 currentMove = target;
14474 if (gameMode == EditGame || gameMode == EndOfGame) {
14475 whiteTimeRemaining = timeRemaining[0][currentMove];
14476 blackTimeRemaining = timeRemaining[1][currentMove];
14478 DisplayBothClocks();
14479 DisplayMove(currentMove - 1);
14480 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14481 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14482 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14483 DisplayComment(currentMove - 1, commentList[currentMove]);
14485 ClearMap(); // [HGM] exclude: invalidate map
14492 if (gameMode == IcsExamining && !pausing) {
14493 SendToICS(ics_prefix);
14494 SendToICS("forward\n");
14496 ForwardInner(currentMove + 1);
14503 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14504 /* to optimze, we temporarily turn off analysis mode while we feed
14505 * the remaining moves to the engine. Otherwise we get analysis output
14508 if (first.analysisSupport) {
14509 SendToProgram("exit\nforce\n", &first);
14510 first.analyzing = FALSE;
14514 if (gameMode == IcsExamining && !pausing) {
14515 SendToICS(ics_prefix);
14516 SendToICS("forward 999999\n");
14518 ForwardInner(forwardMostMove);
14521 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14522 /* we have fed all the moves, so reactivate analysis mode */
14523 SendToProgram("analyze\n", &first);
14524 first.analyzing = TRUE;
14525 /*first.maybeThinking = TRUE;*/
14526 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14531 BackwardInner (int target)
14533 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14535 if (appData.debugMode)
14536 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14537 target, currentMove, forwardMostMove);
14539 if (gameMode == EditPosition) return;
14540 seekGraphUp = FALSE;
14541 MarkTargetSquares(1);
14542 if (currentMove <= backwardMostMove) {
14544 DrawPosition(full_redraw, boards[currentMove]);
14547 if (gameMode == PlayFromGameFile && !pausing)
14550 if (moveList[target][0]) {
14551 int fromX, fromY, toX, toY;
14552 toX = moveList[target][2] - AAA;
14553 toY = moveList[target][3] - ONE;
14554 if (moveList[target][1] == '@') {
14555 if (appData.highlightLastMove) {
14556 SetHighlights(-1, -1, toX, toY);
14559 fromX = moveList[target][0] - AAA;
14560 fromY = moveList[target][1] - ONE;
14561 if (target == currentMove - 1) {
14562 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14564 if (appData.highlightLastMove) {
14565 SetHighlights(fromX, fromY, toX, toY);
14569 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14570 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14571 while (currentMove > target) {
14572 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14573 // null move cannot be undone. Reload program with move history before it.
14575 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14576 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14578 SendBoard(&first, i);
14579 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14582 SendToProgram("undo\n", &first);
14586 currentMove = target;
14589 if (gameMode == EditGame || gameMode == EndOfGame) {
14590 whiteTimeRemaining = timeRemaining[0][currentMove];
14591 blackTimeRemaining = timeRemaining[1][currentMove];
14593 DisplayBothClocks();
14594 DisplayMove(currentMove - 1);
14595 DrawPosition(full_redraw, boards[currentMove]);
14596 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14597 // [HGM] PV info: routine tests if comment empty
14598 DisplayComment(currentMove - 1, commentList[currentMove]);
14599 ClearMap(); // [HGM] exclude: invalidate map
14605 if (gameMode == IcsExamining && !pausing) {
14606 SendToICS(ics_prefix);
14607 SendToICS("backward\n");
14609 BackwardInner(currentMove - 1);
14616 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14617 /* to optimize, we temporarily turn off analysis mode while we undo
14618 * all the moves. Otherwise we get analysis output after each undo.
14620 if (first.analysisSupport) {
14621 SendToProgram("exit\nforce\n", &first);
14622 first.analyzing = FALSE;
14626 if (gameMode == IcsExamining && !pausing) {
14627 SendToICS(ics_prefix);
14628 SendToICS("backward 999999\n");
14630 BackwardInner(backwardMostMove);
14633 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14634 /* we have fed all the moves, so reactivate analysis mode */
14635 SendToProgram("analyze\n", &first);
14636 first.analyzing = TRUE;
14637 /*first.maybeThinking = TRUE;*/
14638 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14645 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14646 if (to >= forwardMostMove) to = forwardMostMove;
14647 if (to <= backwardMostMove) to = backwardMostMove;
14648 if (to < currentMove) {
14656 RevertEvent (Boolean annotate)
14658 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14661 if (gameMode != IcsExamining) {
14662 DisplayError(_("You are not examining a game"), 0);
14666 DisplayError(_("You can't revert while pausing"), 0);
14669 SendToICS(ics_prefix);
14670 SendToICS("revert\n");
14674 RetractMoveEvent ()
14676 switch (gameMode) {
14677 case MachinePlaysWhite:
14678 case MachinePlaysBlack:
14679 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14680 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14683 if (forwardMostMove < 2) return;
14684 currentMove = forwardMostMove = forwardMostMove - 2;
14685 whiteTimeRemaining = timeRemaining[0][currentMove];
14686 blackTimeRemaining = timeRemaining[1][currentMove];
14687 DisplayBothClocks();
14688 DisplayMove(currentMove - 1);
14689 ClearHighlights();/*!! could figure this out*/
14690 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14691 SendToProgram("remove\n", &first);
14692 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14695 case BeginningOfGame:
14699 case IcsPlayingWhite:
14700 case IcsPlayingBlack:
14701 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14702 SendToICS(ics_prefix);
14703 SendToICS("takeback 2\n");
14705 SendToICS(ics_prefix);
14706 SendToICS("takeback 1\n");
14715 ChessProgramState *cps;
14717 switch (gameMode) {
14718 case MachinePlaysWhite:
14719 if (!WhiteOnMove(forwardMostMove)) {
14720 DisplayError(_("It is your turn"), 0);
14725 case MachinePlaysBlack:
14726 if (WhiteOnMove(forwardMostMove)) {
14727 DisplayError(_("It is your turn"), 0);
14732 case TwoMachinesPlay:
14733 if (WhiteOnMove(forwardMostMove) ==
14734 (first.twoMachinesColor[0] == 'w')) {
14740 case BeginningOfGame:
14744 SendToProgram("?\n", cps);
14748 TruncateGameEvent ()
14751 if (gameMode != EditGame) return;
14758 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14759 if (forwardMostMove > currentMove) {
14760 if (gameInfo.resultDetails != NULL) {
14761 free(gameInfo.resultDetails);
14762 gameInfo.resultDetails = NULL;
14763 gameInfo.result = GameUnfinished;
14765 forwardMostMove = currentMove;
14766 HistorySet(parseList, backwardMostMove, forwardMostMove,
14774 if (appData.noChessProgram) return;
14775 switch (gameMode) {
14776 case MachinePlaysWhite:
14777 if (WhiteOnMove(forwardMostMove)) {
14778 DisplayError(_("Wait until your turn"), 0);
14782 case BeginningOfGame:
14783 case MachinePlaysBlack:
14784 if (!WhiteOnMove(forwardMostMove)) {
14785 DisplayError(_("Wait until your turn"), 0);
14790 DisplayError(_("No hint available"), 0);
14793 SendToProgram("hint\n", &first);
14794 hintRequested = TRUE;
14800 if (appData.noChessProgram) return;
14801 switch (gameMode) {
14802 case MachinePlaysWhite:
14803 if (WhiteOnMove(forwardMostMove)) {
14804 DisplayError(_("Wait until your turn"), 0);
14808 case BeginningOfGame:
14809 case MachinePlaysBlack:
14810 if (!WhiteOnMove(forwardMostMove)) {
14811 DisplayError(_("Wait until your turn"), 0);
14816 EditPositionDone(TRUE);
14818 case TwoMachinesPlay:
14823 SendToProgram("bk\n", &first);
14824 bookOutput[0] = NULLCHAR;
14825 bookRequested = TRUE;
14831 char *tags = PGNTags(&gameInfo);
14832 TagsPopUp(tags, CmailMsg());
14836 /* end button procedures */
14839 PrintPosition (FILE *fp, int move)
14843 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14844 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14845 char c = PieceToChar(boards[move][i][j]);
14846 fputc(c == 'x' ? '.' : c, fp);
14847 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14850 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14851 fprintf(fp, "white to play\n");
14853 fprintf(fp, "black to play\n");
14857 PrintOpponents (FILE *fp)
14859 if (gameInfo.white != NULL) {
14860 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14866 /* Find last component of program's own name, using some heuristics */
14868 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14871 int local = (strcmp(host, "localhost") == 0);
14872 while (!local && (p = strchr(prog, ';')) != NULL) {
14874 while (*p == ' ') p++;
14877 if (*prog == '"' || *prog == '\'') {
14878 q = strchr(prog + 1, *prog);
14880 q = strchr(prog, ' ');
14882 if (q == NULL) q = prog + strlen(prog);
14884 while (p >= prog && *p != '/' && *p != '\\') p--;
14886 if(p == prog && *p == '"') p++;
14888 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14889 memcpy(buf, p, q - p);
14890 buf[q - p] = NULLCHAR;
14898 TimeControlTagValue ()
14901 if (!appData.clockMode) {
14902 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14903 } else if (movesPerSession > 0) {
14904 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14905 } else if (timeIncrement == 0) {
14906 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14908 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14910 return StrSave(buf);
14916 /* This routine is used only for certain modes */
14917 VariantClass v = gameInfo.variant;
14918 ChessMove r = GameUnfinished;
14921 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14922 r = gameInfo.result;
14923 p = gameInfo.resultDetails;
14924 gameInfo.resultDetails = NULL;
14926 ClearGameInfo(&gameInfo);
14927 gameInfo.variant = v;
14929 switch (gameMode) {
14930 case MachinePlaysWhite:
14931 gameInfo.event = StrSave( appData.pgnEventHeader );
14932 gameInfo.site = StrSave(HostName());
14933 gameInfo.date = PGNDate();
14934 gameInfo.round = StrSave("-");
14935 gameInfo.white = StrSave(first.tidy);
14936 gameInfo.black = StrSave(UserName());
14937 gameInfo.timeControl = TimeControlTagValue();
14940 case MachinePlaysBlack:
14941 gameInfo.event = StrSave( appData.pgnEventHeader );
14942 gameInfo.site = StrSave(HostName());
14943 gameInfo.date = PGNDate();
14944 gameInfo.round = StrSave("-");
14945 gameInfo.white = StrSave(UserName());
14946 gameInfo.black = StrSave(first.tidy);
14947 gameInfo.timeControl = TimeControlTagValue();
14950 case TwoMachinesPlay:
14951 gameInfo.event = StrSave( appData.pgnEventHeader );
14952 gameInfo.site = StrSave(HostName());
14953 gameInfo.date = PGNDate();
14956 snprintf(buf, MSG_SIZ, "%d", roundNr);
14957 gameInfo.round = StrSave(buf);
14959 gameInfo.round = StrSave("-");
14961 if (first.twoMachinesColor[0] == 'w') {
14962 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14963 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14965 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14966 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14968 gameInfo.timeControl = TimeControlTagValue();
14972 gameInfo.event = StrSave("Edited game");
14973 gameInfo.site = StrSave(HostName());
14974 gameInfo.date = PGNDate();
14975 gameInfo.round = StrSave("-");
14976 gameInfo.white = StrSave("-");
14977 gameInfo.black = StrSave("-");
14978 gameInfo.result = r;
14979 gameInfo.resultDetails = p;
14983 gameInfo.event = StrSave("Edited position");
14984 gameInfo.site = StrSave(HostName());
14985 gameInfo.date = PGNDate();
14986 gameInfo.round = StrSave("-");
14987 gameInfo.white = StrSave("-");
14988 gameInfo.black = StrSave("-");
14991 case IcsPlayingWhite:
14992 case IcsPlayingBlack:
14997 case PlayFromGameFile:
14998 gameInfo.event = StrSave("Game from non-PGN file");
14999 gameInfo.site = StrSave(HostName());
15000 gameInfo.date = PGNDate();
15001 gameInfo.round = StrSave("-");
15002 gameInfo.white = StrSave("?");
15003 gameInfo.black = StrSave("?");
15012 ReplaceComment (int index, char *text)
15018 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15019 pvInfoList[index-1].depth == len &&
15020 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15021 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15022 while (*text == '\n') text++;
15023 len = strlen(text);
15024 while (len > 0 && text[len - 1] == '\n') len--;
15026 if (commentList[index] != NULL)
15027 free(commentList[index]);
15030 commentList[index] = NULL;
15033 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15034 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15035 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15036 commentList[index] = (char *) malloc(len + 2);
15037 strncpy(commentList[index], text, len);
15038 commentList[index][len] = '\n';
15039 commentList[index][len + 1] = NULLCHAR;
15041 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15043 commentList[index] = (char *) malloc(len + 7);
15044 safeStrCpy(commentList[index], "{\n", 3);
15045 safeStrCpy(commentList[index]+2, text, len+1);
15046 commentList[index][len+2] = NULLCHAR;
15047 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15048 strcat(commentList[index], "\n}\n");
15053 CrushCRs (char *text)
15061 if (ch == '\r') continue;
15063 } while (ch != '\0');
15067 AppendComment (int index, char *text, Boolean addBraces)
15068 /* addBraces tells if we should add {} */
15073 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15074 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15077 while (*text == '\n') text++;
15078 len = strlen(text);
15079 while (len > 0 && text[len - 1] == '\n') len--;
15080 text[len] = NULLCHAR;
15082 if (len == 0) return;
15084 if (commentList[index] != NULL) {
15085 Boolean addClosingBrace = addBraces;
15086 old = commentList[index];
15087 oldlen = strlen(old);
15088 while(commentList[index][oldlen-1] == '\n')
15089 commentList[index][--oldlen] = NULLCHAR;
15090 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15091 safeStrCpy(commentList[index], old, oldlen + len + 6);
15093 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15094 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15095 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15096 while (*text == '\n') { text++; len--; }
15097 commentList[index][--oldlen] = NULLCHAR;
15099 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15100 else strcat(commentList[index], "\n");
15101 strcat(commentList[index], text);
15102 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15103 else strcat(commentList[index], "\n");
15105 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15107 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15108 else commentList[index][0] = NULLCHAR;
15109 strcat(commentList[index], text);
15110 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15111 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15116 FindStr (char * text, char * sub_text)
15118 char * result = strstr( text, sub_text );
15120 if( result != NULL ) {
15121 result += strlen( sub_text );
15127 /* [AS] Try to extract PV info from PGN comment */
15128 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15130 GetInfoFromComment (int index, char * text)
15132 char * sep = text, *p;
15134 if( text != NULL && index > 0 ) {
15137 int time = -1, sec = 0, deci;
15138 char * s_eval = FindStr( text, "[%eval " );
15139 char * s_emt = FindStr( text, "[%emt " );
15141 if( s_eval != NULL || s_emt != NULL ) {
15145 if( s_eval != NULL ) {
15146 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15150 if( delim != ']' ) {
15155 if( s_emt != NULL ) {
15160 /* We expect something like: [+|-]nnn.nn/dd */
15163 if(*text != '{') return text; // [HGM] braces: must be normal comment
15165 sep = strchr( text, '/' );
15166 if( sep == NULL || sep < (text+4) ) {
15171 if(p[1] == '(') { // comment starts with PV
15172 p = strchr(p, ')'); // locate end of PV
15173 if(p == NULL || sep < p+5) return text;
15174 // at this point we have something like "{(.*) +0.23/6 ..."
15175 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15176 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15177 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15179 time = -1; sec = -1; deci = -1;
15180 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15181 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15182 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15183 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15187 if( score_lo < 0 || score_lo >= 100 ) {
15191 if(sec >= 0) time = 600*time + 10*sec; else
15192 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15194 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15196 /* [HGM] PV time: now locate end of PV info */
15197 while( *++sep >= '0' && *sep <= '9'); // strip depth
15199 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15201 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15203 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15204 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15215 pvInfoList[index-1].depth = depth;
15216 pvInfoList[index-1].score = score;
15217 pvInfoList[index-1].time = 10*time; // centi-sec
15218 if(*sep == '}') *sep = 0; else *--sep = '{';
15219 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15225 SendToProgram (char *message, ChessProgramState *cps)
15227 int count, outCount, error;
15230 if (cps->pr == NoProc) return;
15233 if (appData.debugMode) {
15236 fprintf(debugFP, "%ld >%-6s: %s",
15237 SubtractTimeMarks(&now, &programStartTime),
15238 cps->which, message);
15240 fprintf(serverFP, "%ld >%-6s: %s",
15241 SubtractTimeMarks(&now, &programStartTime),
15242 cps->which, message), fflush(serverFP);
15245 count = strlen(message);
15246 outCount = OutputToProcess(cps->pr, message, count, &error);
15247 if (outCount < count && !exiting
15248 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15249 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15250 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15251 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15252 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15253 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15254 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15255 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15257 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15258 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15259 gameInfo.result = res;
15261 gameInfo.resultDetails = StrSave(buf);
15263 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15264 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15269 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15273 ChessProgramState *cps = (ChessProgramState *)closure;
15275 if (isr != cps->isr) return; /* Killed intentionally */
15278 RemoveInputSource(cps->isr);
15279 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15280 _(cps->which), cps->program);
15281 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15282 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15283 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15284 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15285 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15286 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15288 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15289 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15290 gameInfo.result = res;
15292 gameInfo.resultDetails = StrSave(buf);
15294 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15295 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15297 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15298 _(cps->which), cps->program);
15299 RemoveInputSource(cps->isr);
15301 /* [AS] Program is misbehaving badly... kill it */
15302 if( count == -2 ) {
15303 DestroyChildProcess( cps->pr, 9 );
15307 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15312 if ((end_str = strchr(message, '\r')) != NULL)
15313 *end_str = NULLCHAR;
15314 if ((end_str = strchr(message, '\n')) != NULL)
15315 *end_str = NULLCHAR;
15317 if (appData.debugMode) {
15318 TimeMark now; int print = 1;
15319 char *quote = ""; char c; int i;
15321 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15322 char start = message[0];
15323 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15324 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15325 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15326 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15327 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15328 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15329 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15330 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15331 sscanf(message, "hint: %c", &c)!=1 &&
15332 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15333 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15334 print = (appData.engineComments >= 2);
15336 message[0] = start; // restore original message
15340 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15341 SubtractTimeMarks(&now, &programStartTime), cps->which,
15345 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15346 SubtractTimeMarks(&now, &programStartTime), cps->which,
15348 message), fflush(serverFP);
15352 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15353 if (appData.icsEngineAnalyze) {
15354 if (strstr(message, "whisper") != NULL ||
15355 strstr(message, "kibitz") != NULL ||
15356 strstr(message, "tellics") != NULL) return;
15359 HandleMachineMove(message, cps);
15364 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15369 if( timeControl_2 > 0 ) {
15370 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15371 tc = timeControl_2;
15374 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15375 inc /= cps->timeOdds;
15376 st /= cps->timeOdds;
15378 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15381 /* Set exact time per move, normally using st command */
15382 if (cps->stKludge) {
15383 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15385 if (seconds == 0) {
15386 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15388 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15391 snprintf(buf, MSG_SIZ, "st %d\n", st);
15394 /* Set conventional or incremental time control, using level command */
15395 if (seconds == 0) {
15396 /* Note old gnuchess bug -- minutes:seconds used to not work.
15397 Fixed in later versions, but still avoid :seconds
15398 when seconds is 0. */
15399 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15401 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15402 seconds, inc/1000.);
15405 SendToProgram(buf, cps);
15407 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15408 /* Orthogonally, limit search to given depth */
15410 if (cps->sdKludge) {
15411 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15413 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15415 SendToProgram(buf, cps);
15418 if(cps->nps >= 0) { /* [HGM] nps */
15419 if(cps->supportsNPS == FALSE)
15420 cps->nps = -1; // don't use if engine explicitly says not supported!
15422 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15423 SendToProgram(buf, cps);
15428 ChessProgramState *
15430 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15432 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15433 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15439 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15441 char message[MSG_SIZ];
15444 /* Note: this routine must be called when the clocks are stopped
15445 or when they have *just* been set or switched; otherwise
15446 it will be off by the time since the current tick started.
15448 if (machineWhite) {
15449 time = whiteTimeRemaining / 10;
15450 otime = blackTimeRemaining / 10;
15452 time = blackTimeRemaining / 10;
15453 otime = whiteTimeRemaining / 10;
15455 /* [HGM] translate opponent's time by time-odds factor */
15456 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15458 if (time <= 0) time = 1;
15459 if (otime <= 0) otime = 1;
15461 snprintf(message, MSG_SIZ, "time %ld\n", time);
15462 SendToProgram(message, cps);
15464 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15465 SendToProgram(message, cps);
15469 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15472 int len = strlen(name);
15475 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15477 sscanf(*p, "%d", &val);
15479 while (**p && **p != ' ')
15481 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15482 SendToProgram(buf, cps);
15489 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15492 int len = strlen(name);
15493 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15495 sscanf(*p, "%d", loc);
15496 while (**p && **p != ' ') (*p)++;
15497 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15498 SendToProgram(buf, cps);
15505 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15508 int len = strlen(name);
15509 if (strncmp((*p), name, len) == 0
15510 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15512 sscanf(*p, "%[^\"]", loc);
15513 while (**p && **p != '\"') (*p)++;
15514 if (**p == '\"') (*p)++;
15515 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15516 SendToProgram(buf, cps);
15523 ParseOption (Option *opt, ChessProgramState *cps)
15524 // [HGM] options: process the string that defines an engine option, and determine
15525 // name, type, default value, and allowed value range
15527 char *p, *q, buf[MSG_SIZ];
15528 int n, min = (-1)<<31, max = 1<<31, def;
15530 if(p = strstr(opt->name, " -spin ")) {
15531 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15532 if(max < min) max = min; // enforce consistency
15533 if(def < min) def = min;
15534 if(def > max) def = max;
15539 } else if((p = strstr(opt->name, " -slider "))) {
15540 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15541 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15542 if(max < min) max = min; // enforce consistency
15543 if(def < min) def = min;
15544 if(def > max) def = max;
15548 opt->type = Spin; // Slider;
15549 } else if((p = strstr(opt->name, " -string "))) {
15550 opt->textValue = p+9;
15551 opt->type = TextBox;
15552 } else if((p = strstr(opt->name, " -file "))) {
15553 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15554 opt->textValue = p+7;
15555 opt->type = FileName; // FileName;
15556 } else if((p = strstr(opt->name, " -path "))) {
15557 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15558 opt->textValue = p+7;
15559 opt->type = PathName; // PathName;
15560 } else if(p = strstr(opt->name, " -check ")) {
15561 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15562 opt->value = (def != 0);
15563 opt->type = CheckBox;
15564 } else if(p = strstr(opt->name, " -combo ")) {
15565 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15566 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15567 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15568 opt->value = n = 0;
15569 while(q = StrStr(q, " /// ")) {
15570 n++; *q = 0; // count choices, and null-terminate each of them
15572 if(*q == '*') { // remember default, which is marked with * prefix
15576 cps->comboList[cps->comboCnt++] = q;
15578 cps->comboList[cps->comboCnt++] = NULL;
15580 opt->type = ComboBox;
15581 } else if(p = strstr(opt->name, " -button")) {
15582 opt->type = Button;
15583 } else if(p = strstr(opt->name, " -save")) {
15584 opt->type = SaveButton;
15585 } else return FALSE;
15586 *p = 0; // terminate option name
15587 // now look if the command-line options define a setting for this engine option.
15588 if(cps->optionSettings && cps->optionSettings[0])
15589 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15590 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15591 snprintf(buf, MSG_SIZ, "option %s", p);
15592 if(p = strstr(buf, ",")) *p = 0;
15593 if(q = strchr(buf, '=')) switch(opt->type) {
15595 for(n=0; n<opt->max; n++)
15596 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15599 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15603 opt->value = atoi(q+1);
15608 SendToProgram(buf, cps);
15614 FeatureDone (ChessProgramState *cps, int val)
15616 DelayedEventCallback cb = GetDelayedEvent();
15617 if ((cb == InitBackEnd3 && cps == &first) ||
15618 (cb == SettingsMenuIfReady && cps == &second) ||
15619 (cb == LoadEngine) ||
15620 (cb == TwoMachinesEventIfReady)) {
15621 CancelDelayedEvent();
15622 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15624 cps->initDone = val;
15627 /* Parse feature command from engine */
15629 ParseFeatures (char *args, ChessProgramState *cps)
15637 while (*p == ' ') p++;
15638 if (*p == NULLCHAR) return;
15640 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15641 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15642 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15643 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15644 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15645 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15646 if (BoolFeature(&p, "reuse", &val, cps)) {
15647 /* Engine can disable reuse, but can't enable it if user said no */
15648 if (!val) cps->reuse = FALSE;
15651 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15652 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15653 if (gameMode == TwoMachinesPlay) {
15654 DisplayTwoMachinesTitle();
15660 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15661 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15662 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15663 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15664 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15665 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15666 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15667 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15668 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15669 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15670 if (IntFeature(&p, "done", &val, cps)) {
15671 FeatureDone(cps, val);
15674 /* Added by Tord: */
15675 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15676 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15677 /* End of additions by Tord */
15679 /* [HGM] added features: */
15680 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15681 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15682 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15683 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15684 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15685 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15686 if (StringFeature(&p, "option", buf, cps)) {
15687 FREE(cps->option[cps->nrOptions].name);
15688 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15689 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15690 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15691 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15692 SendToProgram(buf, cps);
15695 if(cps->nrOptions >= MAX_OPTIONS) {
15697 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15698 DisplayError(buf, 0);
15702 /* End of additions by HGM */
15704 /* unknown feature: complain and skip */
15706 while (*q && *q != '=') q++;
15707 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15708 SendToProgram(buf, cps);
15714 while (*p && *p != '\"') p++;
15715 if (*p == '\"') p++;
15717 while (*p && *p != ' ') p++;
15725 PeriodicUpdatesEvent (int newState)
15727 if (newState == appData.periodicUpdates)
15730 appData.periodicUpdates=newState;
15732 /* Display type changes, so update it now */
15733 // DisplayAnalysis();
15735 /* Get the ball rolling again... */
15737 AnalysisPeriodicEvent(1);
15738 StartAnalysisClock();
15743 PonderNextMoveEvent (int newState)
15745 if (newState == appData.ponderNextMove) return;
15746 if (gameMode == EditPosition) EditPositionDone(TRUE);
15748 SendToProgram("hard\n", &first);
15749 if (gameMode == TwoMachinesPlay) {
15750 SendToProgram("hard\n", &second);
15753 SendToProgram("easy\n", &first);
15754 thinkOutput[0] = NULLCHAR;
15755 if (gameMode == TwoMachinesPlay) {
15756 SendToProgram("easy\n", &second);
15759 appData.ponderNextMove = newState;
15763 NewSettingEvent (int option, int *feature, char *command, int value)
15767 if (gameMode == EditPosition) EditPositionDone(TRUE);
15768 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15769 if(feature == NULL || *feature) SendToProgram(buf, &first);
15770 if (gameMode == TwoMachinesPlay) {
15771 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15776 ShowThinkingEvent ()
15777 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15779 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15780 int newState = appData.showThinking
15781 // [HGM] thinking: other features now need thinking output as well
15782 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15784 if (oldState == newState) return;
15785 oldState = newState;
15786 if (gameMode == EditPosition) EditPositionDone(TRUE);
15788 SendToProgram("post\n", &first);
15789 if (gameMode == TwoMachinesPlay) {
15790 SendToProgram("post\n", &second);
15793 SendToProgram("nopost\n", &first);
15794 thinkOutput[0] = NULLCHAR;
15795 if (gameMode == TwoMachinesPlay) {
15796 SendToProgram("nopost\n", &second);
15799 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15803 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15805 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15806 if (pr == NoProc) return;
15807 AskQuestion(title, question, replyPrefix, pr);
15811 TypeInEvent (char firstChar)
15813 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15814 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15815 gameMode == AnalyzeMode || gameMode == EditGame ||
15816 gameMode == EditPosition || gameMode == IcsExamining ||
15817 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15818 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15819 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15820 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15821 gameMode == Training) PopUpMoveDialog(firstChar);
15825 TypeInDoneEvent (char *move)
15828 int n, fromX, fromY, toX, toY;
15830 ChessMove moveType;
15833 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15834 EditPositionPasteFEN(move);
15837 // [HGM] movenum: allow move number to be typed in any mode
15838 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15842 // undocumented kludge: allow command-line option to be typed in!
15843 // (potentially fatal, and does not implement the effect of the option.)
15844 // should only be used for options that are values on which future decisions will be made,
15845 // and definitely not on options that would be used during initialization.
15846 if(strstr(move, "!!! -") == move) {
15847 ParseArgsFromString(move+4);
15851 if (gameMode != EditGame && currentMove != forwardMostMove &&
15852 gameMode != Training) {
15853 DisplayMoveError(_("Displayed move is not current"));
15855 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15856 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15857 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15858 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15859 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15860 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15862 DisplayMoveError(_("Could not parse move"));
15868 DisplayMove (int moveNumber)
15870 char message[MSG_SIZ];
15872 char cpThinkOutput[MSG_SIZ];
15874 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15876 if (moveNumber == forwardMostMove - 1 ||
15877 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15879 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15881 if (strchr(cpThinkOutput, '\n')) {
15882 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15885 *cpThinkOutput = NULLCHAR;
15888 /* [AS] Hide thinking from human user */
15889 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15890 *cpThinkOutput = NULLCHAR;
15891 if( thinkOutput[0] != NULLCHAR ) {
15894 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15895 cpThinkOutput[i] = '.';
15897 cpThinkOutput[i] = NULLCHAR;
15898 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15902 if (moveNumber == forwardMostMove - 1 &&
15903 gameInfo.resultDetails != NULL) {
15904 if (gameInfo.resultDetails[0] == NULLCHAR) {
15905 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15907 snprintf(res, MSG_SIZ, " {%s} %s",
15908 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15914 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15915 DisplayMessage(res, cpThinkOutput);
15917 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15918 WhiteOnMove(moveNumber) ? " " : ".. ",
15919 parseList[moveNumber], res);
15920 DisplayMessage(message, cpThinkOutput);
15925 DisplayComment (int moveNumber, char *text)
15927 char title[MSG_SIZ];
15929 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15930 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15932 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15933 WhiteOnMove(moveNumber) ? " " : ".. ",
15934 parseList[moveNumber]);
15936 if (text != NULL && (appData.autoDisplayComment || commentUp))
15937 CommentPopUp(title, text);
15940 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15941 * might be busy thinking or pondering. It can be omitted if your
15942 * gnuchess is configured to stop thinking immediately on any user
15943 * input. However, that gnuchess feature depends on the FIONREAD
15944 * ioctl, which does not work properly on some flavors of Unix.
15947 Attention (ChessProgramState *cps)
15950 if (!cps->useSigint) return;
15951 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15952 switch (gameMode) {
15953 case MachinePlaysWhite:
15954 case MachinePlaysBlack:
15955 case TwoMachinesPlay:
15956 case IcsPlayingWhite:
15957 case IcsPlayingBlack:
15960 /* Skip if we know it isn't thinking */
15961 if (!cps->maybeThinking) return;
15962 if (appData.debugMode)
15963 fprintf(debugFP, "Interrupting %s\n", cps->which);
15964 InterruptChildProcess(cps->pr);
15965 cps->maybeThinking = FALSE;
15970 #endif /*ATTENTION*/
15976 if (whiteTimeRemaining <= 0) {
15979 if (appData.icsActive) {
15980 if (appData.autoCallFlag &&
15981 gameMode == IcsPlayingBlack && !blackFlag) {
15982 SendToICS(ics_prefix);
15983 SendToICS("flag\n");
15987 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15989 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15990 if (appData.autoCallFlag) {
15991 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15998 if (blackTimeRemaining <= 0) {
16001 if (appData.icsActive) {
16002 if (appData.autoCallFlag &&
16003 gameMode == IcsPlayingWhite && !whiteFlag) {
16004 SendToICS(ics_prefix);
16005 SendToICS("flag\n");
16009 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16011 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16012 if (appData.autoCallFlag) {
16013 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16024 CheckTimeControl ()
16026 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16027 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16030 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16032 if ( !WhiteOnMove(forwardMostMove) ) {
16033 /* White made time control */
16034 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16035 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16036 /* [HGM] time odds: correct new time quota for time odds! */
16037 / WhitePlayer()->timeOdds;
16038 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16040 lastBlack -= blackTimeRemaining;
16041 /* Black made time control */
16042 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16043 / WhitePlayer()->other->timeOdds;
16044 lastWhite = whiteTimeRemaining;
16049 DisplayBothClocks ()
16051 int wom = gameMode == EditPosition ?
16052 !blackPlaysFirst : WhiteOnMove(currentMove);
16053 DisplayWhiteClock(whiteTimeRemaining, wom);
16054 DisplayBlackClock(blackTimeRemaining, !wom);
16058 /* Timekeeping seems to be a portability nightmare. I think everyone
16059 has ftime(), but I'm really not sure, so I'm including some ifdefs
16060 to use other calls if you don't. Clocks will be less accurate if
16061 you have neither ftime nor gettimeofday.
16064 /* VS 2008 requires the #include outside of the function */
16065 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16066 #include <sys/timeb.h>
16069 /* Get the current time as a TimeMark */
16071 GetTimeMark (TimeMark *tm)
16073 #if HAVE_GETTIMEOFDAY
16075 struct timeval timeVal;
16076 struct timezone timeZone;
16078 gettimeofday(&timeVal, &timeZone);
16079 tm->sec = (long) timeVal.tv_sec;
16080 tm->ms = (int) (timeVal.tv_usec / 1000L);
16082 #else /*!HAVE_GETTIMEOFDAY*/
16085 // include <sys/timeb.h> / moved to just above start of function
16086 struct timeb timeB;
16089 tm->sec = (long) timeB.time;
16090 tm->ms = (int) timeB.millitm;
16092 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16093 tm->sec = (long) time(NULL);
16099 /* Return the difference in milliseconds between two
16100 time marks. We assume the difference will fit in a long!
16103 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16105 return 1000L*(tm2->sec - tm1->sec) +
16106 (long) (tm2->ms - tm1->ms);
16111 * Code to manage the game clocks.
16113 * In tournament play, black starts the clock and then white makes a move.
16114 * We give the human user a slight advantage if he is playing white---the
16115 * clocks don't run until he makes his first move, so it takes zero time.
16116 * Also, we don't account for network lag, so we could get out of sync
16117 * with GNU Chess's clock -- but then, referees are always right.
16120 static TimeMark tickStartTM;
16121 static long intendedTickLength;
16124 NextTickLength (long timeRemaining)
16126 long nominalTickLength, nextTickLength;
16128 if (timeRemaining > 0L && timeRemaining <= 10000L)
16129 nominalTickLength = 100L;
16131 nominalTickLength = 1000L;
16132 nextTickLength = timeRemaining % nominalTickLength;
16133 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16135 return nextTickLength;
16138 /* Adjust clock one minute up or down */
16140 AdjustClock (Boolean which, int dir)
16142 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16143 if(which) blackTimeRemaining += 60000*dir;
16144 else whiteTimeRemaining += 60000*dir;
16145 DisplayBothClocks();
16146 adjustedClock = TRUE;
16149 /* Stop clocks and reset to a fresh time control */
16153 (void) StopClockTimer();
16154 if (appData.icsActive) {
16155 whiteTimeRemaining = blackTimeRemaining = 0;
16156 } else if (searchTime) {
16157 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16158 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16159 } else { /* [HGM] correct new time quote for time odds */
16160 whiteTC = blackTC = fullTimeControlString;
16161 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16162 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16164 if (whiteFlag || blackFlag) {
16166 whiteFlag = blackFlag = FALSE;
16168 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16169 DisplayBothClocks();
16170 adjustedClock = FALSE;
16173 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16175 /* Decrement running clock by amount of time that has passed */
16179 long timeRemaining;
16180 long lastTickLength, fudge;
16183 if (!appData.clockMode) return;
16184 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16188 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16190 /* Fudge if we woke up a little too soon */
16191 fudge = intendedTickLength - lastTickLength;
16192 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16194 if (WhiteOnMove(forwardMostMove)) {
16195 if(whiteNPS >= 0) lastTickLength = 0;
16196 timeRemaining = whiteTimeRemaining -= lastTickLength;
16197 if(timeRemaining < 0 && !appData.icsActive) {
16198 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16199 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16200 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16201 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16204 DisplayWhiteClock(whiteTimeRemaining - fudge,
16205 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16207 if(blackNPS >= 0) lastTickLength = 0;
16208 timeRemaining = blackTimeRemaining -= lastTickLength;
16209 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16210 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16212 blackStartMove = forwardMostMove;
16213 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16216 DisplayBlackClock(blackTimeRemaining - fudge,
16217 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16219 if (CheckFlags()) return;
16221 if(twoBoards) { // count down secondary board's clocks as well
16222 activePartnerTime -= lastTickLength;
16224 if(activePartner == 'W')
16225 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16227 DisplayBlackClock(activePartnerTime, TRUE);
16232 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16233 StartClockTimer(intendedTickLength);
16235 /* if the time remaining has fallen below the alarm threshold, sound the
16236 * alarm. if the alarm has sounded and (due to a takeback or time control
16237 * with increment) the time remaining has increased to a level above the
16238 * threshold, reset the alarm so it can sound again.
16241 if (appData.icsActive && appData.icsAlarm) {
16243 /* make sure we are dealing with the user's clock */
16244 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16245 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16248 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16249 alarmSounded = FALSE;
16250 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16252 alarmSounded = TRUE;
16258 /* A player has just moved, so stop the previously running
16259 clock and (if in clock mode) start the other one.
16260 We redisplay both clocks in case we're in ICS mode, because
16261 ICS gives us an update to both clocks after every move.
16262 Note that this routine is called *after* forwardMostMove
16263 is updated, so the last fractional tick must be subtracted
16264 from the color that is *not* on move now.
16267 SwitchClocks (int newMoveNr)
16269 long lastTickLength;
16271 int flagged = FALSE;
16275 if (StopClockTimer() && appData.clockMode) {
16276 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16277 if (!WhiteOnMove(forwardMostMove)) {
16278 if(blackNPS >= 0) lastTickLength = 0;
16279 blackTimeRemaining -= lastTickLength;
16280 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16281 // if(pvInfoList[forwardMostMove].time == -1)
16282 pvInfoList[forwardMostMove].time = // use GUI time
16283 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16285 if(whiteNPS >= 0) lastTickLength = 0;
16286 whiteTimeRemaining -= lastTickLength;
16287 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16288 // if(pvInfoList[forwardMostMove].time == -1)
16289 pvInfoList[forwardMostMove].time =
16290 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16292 flagged = CheckFlags();
16294 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16295 CheckTimeControl();
16297 if (flagged || !appData.clockMode) return;
16299 switch (gameMode) {
16300 case MachinePlaysBlack:
16301 case MachinePlaysWhite:
16302 case BeginningOfGame:
16303 if (pausing) return;
16307 case PlayFromGameFile:
16315 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16316 if(WhiteOnMove(forwardMostMove))
16317 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16318 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16322 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16323 whiteTimeRemaining : blackTimeRemaining);
16324 StartClockTimer(intendedTickLength);
16328 /* Stop both clocks */
16332 long lastTickLength;
16335 if (!StopClockTimer()) return;
16336 if (!appData.clockMode) return;
16340 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16341 if (WhiteOnMove(forwardMostMove)) {
16342 if(whiteNPS >= 0) lastTickLength = 0;
16343 whiteTimeRemaining -= lastTickLength;
16344 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16346 if(blackNPS >= 0) lastTickLength = 0;
16347 blackTimeRemaining -= lastTickLength;
16348 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16353 /* Start clock of player on move. Time may have been reset, so
16354 if clock is already running, stop and restart it. */
16358 (void) StopClockTimer(); /* in case it was running already */
16359 DisplayBothClocks();
16360 if (CheckFlags()) return;
16362 if (!appData.clockMode) return;
16363 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16365 GetTimeMark(&tickStartTM);
16366 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16367 whiteTimeRemaining : blackTimeRemaining);
16369 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16370 whiteNPS = blackNPS = -1;
16371 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16372 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16373 whiteNPS = first.nps;
16374 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16375 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16376 blackNPS = first.nps;
16377 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16378 whiteNPS = second.nps;
16379 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16380 blackNPS = second.nps;
16381 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16383 StartClockTimer(intendedTickLength);
16387 TimeString (long ms)
16389 long second, minute, hour, day;
16391 static char buf[32];
16393 if (ms > 0 && ms <= 9900) {
16394 /* convert milliseconds to tenths, rounding up */
16395 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16397 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16401 /* convert milliseconds to seconds, rounding up */
16402 /* use floating point to avoid strangeness of integer division
16403 with negative dividends on many machines */
16404 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16411 day = second / (60 * 60 * 24);
16412 second = second % (60 * 60 * 24);
16413 hour = second / (60 * 60);
16414 second = second % (60 * 60);
16415 minute = second / 60;
16416 second = second % 60;
16419 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16420 sign, day, hour, minute, second);
16422 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16424 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16431 * This is necessary because some C libraries aren't ANSI C compliant yet.
16434 StrStr (char *string, char *match)
16438 length = strlen(match);
16440 for (i = strlen(string) - length; i >= 0; i--, string++)
16441 if (!strncmp(match, string, length))
16448 StrCaseStr (char *string, char *match)
16452 length = strlen(match);
16454 for (i = strlen(string) - length; i >= 0; i--, string++) {
16455 for (j = 0; j < length; j++) {
16456 if (ToLower(match[j]) != ToLower(string[j]))
16459 if (j == length) return string;
16467 StrCaseCmp (char *s1, char *s2)
16472 c1 = ToLower(*s1++);
16473 c2 = ToLower(*s2++);
16474 if (c1 > c2) return 1;
16475 if (c1 < c2) return -1;
16476 if (c1 == NULLCHAR) return 0;
16484 return isupper(c) ? tolower(c) : c;
16491 return islower(c) ? toupper(c) : c;
16493 #endif /* !_amigados */
16500 if ((ret = (char *) malloc(strlen(s) + 1)))
16502 safeStrCpy(ret, s, strlen(s)+1);
16508 StrSavePtr (char *s, char **savePtr)
16513 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16514 safeStrCpy(*savePtr, s, strlen(s)+1);
16526 clock = time((time_t *)NULL);
16527 tm = localtime(&clock);
16528 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16529 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16530 return StrSave(buf);
16535 PositionToFEN (int move, char *overrideCastling)
16537 int i, j, fromX, fromY, toX, toY;
16544 whiteToPlay = (gameMode == EditPosition) ?
16545 !blackPlaysFirst : (move % 2 == 0);
16548 /* Piece placement data */
16549 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16550 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16552 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16553 if (boards[move][i][j] == EmptySquare) {
16555 } else { ChessSquare piece = boards[move][i][j];
16556 if (emptycount > 0) {
16557 if(emptycount<10) /* [HGM] can be >= 10 */
16558 *p++ = '0' + emptycount;
16559 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16562 if(PieceToChar(piece) == '+') {
16563 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16565 piece = (ChessSquare)(DEMOTED piece);
16567 *p++ = PieceToChar(piece);
16569 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16570 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16575 if (emptycount > 0) {
16576 if(emptycount<10) /* [HGM] can be >= 10 */
16577 *p++ = '0' + emptycount;
16578 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16585 /* [HGM] print Crazyhouse or Shogi holdings */
16586 if( gameInfo.holdingsWidth ) {
16587 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16589 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16590 piece = boards[move][i][BOARD_WIDTH-1];
16591 if( piece != EmptySquare )
16592 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16593 *p++ = PieceToChar(piece);
16595 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16596 piece = boards[move][BOARD_HEIGHT-i-1][0];
16597 if( piece != EmptySquare )
16598 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16599 *p++ = PieceToChar(piece);
16602 if( q == p ) *p++ = '-';
16608 *p++ = whiteToPlay ? 'w' : 'b';
16611 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16612 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16614 if(nrCastlingRights) {
16616 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16617 /* [HGM] write directly from rights */
16618 if(boards[move][CASTLING][2] != NoRights &&
16619 boards[move][CASTLING][0] != NoRights )
16620 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16621 if(boards[move][CASTLING][2] != NoRights &&
16622 boards[move][CASTLING][1] != NoRights )
16623 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16624 if(boards[move][CASTLING][5] != NoRights &&
16625 boards[move][CASTLING][3] != NoRights )
16626 *p++ = boards[move][CASTLING][3] + AAA;
16627 if(boards[move][CASTLING][5] != NoRights &&
16628 boards[move][CASTLING][4] != NoRights )
16629 *p++ = boards[move][CASTLING][4] + AAA;
16632 /* [HGM] write true castling rights */
16633 if( nrCastlingRights == 6 ) {
16634 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16635 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16636 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16637 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16638 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16639 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16640 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16641 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16644 if (q == p) *p++ = '-'; /* No castling rights */
16648 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16649 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16650 /* En passant target square */
16651 if (move > backwardMostMove) {
16652 fromX = moveList[move - 1][0] - AAA;
16653 fromY = moveList[move - 1][1] - ONE;
16654 toX = moveList[move - 1][2] - AAA;
16655 toY = moveList[move - 1][3] - ONE;
16656 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16657 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16658 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16660 /* 2-square pawn move just happened */
16662 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16666 } else if(move == backwardMostMove) {
16667 // [HGM] perhaps we should always do it like this, and forget the above?
16668 if((signed char)boards[move][EP_STATUS] >= 0) {
16669 *p++ = boards[move][EP_STATUS] + AAA;
16670 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16681 /* [HGM] find reversible plies */
16682 { int i = 0, j=move;
16684 if (appData.debugMode) { int k;
16685 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16686 for(k=backwardMostMove; k<=forwardMostMove; k++)
16687 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16691 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16692 if( j == backwardMostMove ) i += initialRulePlies;
16693 sprintf(p, "%d ", i);
16694 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16696 /* Fullmove number */
16697 sprintf(p, "%d", (move / 2) + 1);
16699 return StrSave(buf);
16703 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16712 /* [HGM] by default clear Crazyhouse holdings, if present */
16713 if(gameInfo.holdingsWidth) {
16714 for(i=0; i<BOARD_HEIGHT; i++) {
16715 board[i][0] = EmptySquare; /* black holdings */
16716 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16717 board[i][1] = (ChessSquare) 0; /* black counts */
16718 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16722 /* Piece placement data */
16723 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16726 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16727 if (*p == '/') p++;
16728 emptycount = gameInfo.boardWidth - j;
16729 while (emptycount--)
16730 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16732 #if(BOARD_FILES >= 10)
16733 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16734 p++; emptycount=10;
16735 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16736 while (emptycount--)
16737 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16739 } else if (isdigit(*p)) {
16740 emptycount = *p++ - '0';
16741 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16742 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16743 while (emptycount--)
16744 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16745 } else if (*p == '+' || isalpha(*p)) {
16746 if (j >= gameInfo.boardWidth) return FALSE;
16748 piece = CharToPiece(*++p);
16749 if(piece == EmptySquare) return FALSE; /* unknown piece */
16750 piece = (ChessSquare) (PROMOTED piece ); p++;
16751 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16752 } else piece = CharToPiece(*p++);
16754 if(piece==EmptySquare) return FALSE; /* unknown piece */
16755 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16756 piece = (ChessSquare) (PROMOTED piece);
16757 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16760 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16766 while (*p == '/' || *p == ' ') p++;
16768 /* [HGM] look for Crazyhouse holdings here */
16769 while(*p==' ') p++;
16770 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16772 if(*p == '-' ) p++; /* empty holdings */ else {
16773 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16774 /* if we would allow FEN reading to set board size, we would */
16775 /* have to add holdings and shift the board read so far here */
16776 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16778 if((int) piece >= (int) BlackPawn ) {
16779 i = (int)piece - (int)BlackPawn;
16780 i = PieceToNumber((ChessSquare)i);
16781 if( i >= gameInfo.holdingsSize ) return FALSE;
16782 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16783 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16785 i = (int)piece - (int)WhitePawn;
16786 i = PieceToNumber((ChessSquare)i);
16787 if( i >= gameInfo.holdingsSize ) return FALSE;
16788 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16789 board[i][BOARD_WIDTH-2]++; /* black holdings */
16796 while(*p == ' ') p++;
16800 if(appData.colorNickNames) {
16801 if( c == appData.colorNickNames[0] ) c = 'w'; else
16802 if( c == appData.colorNickNames[1] ) c = 'b';
16806 *blackPlaysFirst = FALSE;
16809 *blackPlaysFirst = TRUE;
16815 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16816 /* return the extra info in global variiables */
16818 /* set defaults in case FEN is incomplete */
16819 board[EP_STATUS] = EP_UNKNOWN;
16820 for(i=0; i<nrCastlingRights; i++ ) {
16821 board[CASTLING][i] =
16822 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16823 } /* assume possible unless obviously impossible */
16824 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16825 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16826 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16827 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16828 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16829 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16830 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16831 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16834 while(*p==' ') p++;
16835 if(nrCastlingRights) {
16836 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16837 /* castling indicator present, so default becomes no castlings */
16838 for(i=0; i<nrCastlingRights; i++ ) {
16839 board[CASTLING][i] = NoRights;
16842 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16843 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16844 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16845 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16846 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16848 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16849 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16850 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16852 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16853 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16854 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16855 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16856 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16857 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16860 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16861 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16862 board[CASTLING][2] = whiteKingFile;
16865 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16866 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16867 board[CASTLING][2] = whiteKingFile;
16870 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16871 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16872 board[CASTLING][5] = blackKingFile;
16875 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16876 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16877 board[CASTLING][5] = blackKingFile;
16880 default: /* FRC castlings */
16881 if(c >= 'a') { /* black rights */
16882 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16883 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16884 if(i == BOARD_RGHT) break;
16885 board[CASTLING][5] = i;
16887 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16888 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16890 board[CASTLING][3] = c;
16892 board[CASTLING][4] = c;
16893 } else { /* white rights */
16894 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16895 if(board[0][i] == WhiteKing) break;
16896 if(i == BOARD_RGHT) break;
16897 board[CASTLING][2] = i;
16898 c -= AAA - 'a' + 'A';
16899 if(board[0][c] >= WhiteKing) break;
16901 board[CASTLING][0] = c;
16903 board[CASTLING][1] = c;
16907 for(i=0; i<nrCastlingRights; i++)
16908 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16909 if (appData.debugMode) {
16910 fprintf(debugFP, "FEN castling rights:");
16911 for(i=0; i<nrCastlingRights; i++)
16912 fprintf(debugFP, " %d", board[CASTLING][i]);
16913 fprintf(debugFP, "\n");
16916 while(*p==' ') p++;
16919 /* read e.p. field in games that know e.p. capture */
16920 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16921 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16923 p++; board[EP_STATUS] = EP_NONE;
16925 char c = *p++ - AAA;
16927 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16928 if(*p >= '0' && *p <='9') p++;
16929 board[EP_STATUS] = c;
16934 if(sscanf(p, "%d", &i) == 1) {
16935 FENrulePlies = i; /* 50-move ply counter */
16936 /* (The move number is still ignored) */
16943 EditPositionPasteFEN (char *fen)
16946 Board initial_position;
16948 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16949 DisplayError(_("Bad FEN position in clipboard"), 0);
16952 int savedBlackPlaysFirst = blackPlaysFirst;
16953 EditPositionEvent();
16954 blackPlaysFirst = savedBlackPlaysFirst;
16955 CopyBoard(boards[0], initial_position);
16956 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16957 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16958 DisplayBothClocks();
16959 DrawPosition(FALSE, boards[currentMove]);
16964 static char cseq[12] = "\\ ";
16967 set_cont_sequence (char *new_seq)
16972 // handle bad attempts to set the sequence
16974 return 0; // acceptable error - no debug
16976 len = strlen(new_seq);
16977 ret = (len > 0) && (len < sizeof(cseq));
16979 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16980 else if (appData.debugMode)
16981 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16986 reformat a source message so words don't cross the width boundary. internal
16987 newlines are not removed. returns the wrapped size (no null character unless
16988 included in source message). If dest is NULL, only calculate the size required
16989 for the dest buffer. lp argument indicats line position upon entry, and it's
16990 passed back upon exit.
16993 wrap (char *dest, char *src, int count, int width, int *lp)
16995 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16997 cseq_len = strlen(cseq);
16998 old_line = line = *lp;
16999 ansi = len = clen = 0;
17001 for (i=0; i < count; i++)
17003 if (src[i] == '\033')
17006 // if we hit the width, back up
17007 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17009 // store i & len in case the word is too long
17010 old_i = i, old_len = len;
17012 // find the end of the last word
17013 while (i && src[i] != ' ' && src[i] != '\n')
17019 // word too long? restore i & len before splitting it
17020 if ((old_i-i+clen) >= width)
17027 if (i && src[i-1] == ' ')
17030 if (src[i] != ' ' && src[i] != '\n')
17037 // now append the newline and continuation sequence
17042 strncpy(dest+len, cseq, cseq_len);
17050 dest[len] = src[i];
17054 if (src[i] == '\n')
17059 if (dest && appData.debugMode)
17061 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17062 count, width, line, len, *lp);
17063 show_bytes(debugFP, src, count);
17064 fprintf(debugFP, "\ndest: ");
17065 show_bytes(debugFP, dest, len);
17066 fprintf(debugFP, "\n");
17068 *lp = dest ? line : old_line;
17073 // [HGM] vari: routines for shelving variations
17074 Boolean modeRestore = FALSE;
17077 PushInner (int firstMove, int lastMove)
17079 int i, j, nrMoves = lastMove - firstMove;
17081 // push current tail of game on stack
17082 savedResult[storedGames] = gameInfo.result;
17083 savedDetails[storedGames] = gameInfo.resultDetails;
17084 gameInfo.resultDetails = NULL;
17085 savedFirst[storedGames] = firstMove;
17086 savedLast [storedGames] = lastMove;
17087 savedFramePtr[storedGames] = framePtr;
17088 framePtr -= nrMoves; // reserve space for the boards
17089 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17090 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17091 for(j=0; j<MOVE_LEN; j++)
17092 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17093 for(j=0; j<2*MOVE_LEN; j++)
17094 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17095 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17096 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17097 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17098 pvInfoList[firstMove+i-1].depth = 0;
17099 commentList[framePtr+i] = commentList[firstMove+i];
17100 commentList[firstMove+i] = NULL;
17104 forwardMostMove = firstMove; // truncate game so we can start variation
17108 PushTail (int firstMove, int lastMove)
17110 if(appData.icsActive) { // only in local mode
17111 forwardMostMove = currentMove; // mimic old ICS behavior
17114 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17116 PushInner(firstMove, lastMove);
17117 if(storedGames == 1) GreyRevert(FALSE);
17118 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17122 PopInner (Boolean annotate)
17125 char buf[8000], moveBuf[20];
17127 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17128 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17129 nrMoves = savedLast[storedGames] - currentMove;
17132 if(!WhiteOnMove(currentMove))
17133 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17134 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17135 for(i=currentMove; i<forwardMostMove; i++) {
17137 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17138 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17139 strcat(buf, moveBuf);
17140 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17141 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17145 for(i=1; i<=nrMoves; i++) { // copy last variation back
17146 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17147 for(j=0; j<MOVE_LEN; j++)
17148 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17149 for(j=0; j<2*MOVE_LEN; j++)
17150 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17151 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17152 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17153 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17154 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17155 commentList[currentMove+i] = commentList[framePtr+i];
17156 commentList[framePtr+i] = NULL;
17158 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17159 framePtr = savedFramePtr[storedGames];
17160 gameInfo.result = savedResult[storedGames];
17161 if(gameInfo.resultDetails != NULL) {
17162 free(gameInfo.resultDetails);
17164 gameInfo.resultDetails = savedDetails[storedGames];
17165 forwardMostMove = currentMove + nrMoves;
17169 PopTail (Boolean annotate)
17171 if(appData.icsActive) return FALSE; // only in local mode
17172 if(!storedGames) return FALSE; // sanity
17173 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17175 PopInner(annotate);
17176 if(currentMove < forwardMostMove) ForwardEvent(); else
17177 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17179 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17185 { // remove all shelved variations
17187 for(i=0; i<storedGames; i++) {
17188 if(savedDetails[i])
17189 free(savedDetails[i]);
17190 savedDetails[i] = NULL;
17192 for(i=framePtr; i<MAX_MOVES; i++) {
17193 if(commentList[i]) free(commentList[i]);
17194 commentList[i] = NULL;
17196 framePtr = MAX_MOVES-1;
17201 LoadVariation (int index, char *text)
17202 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17203 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17204 int level = 0, move;
17206 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17207 // first find outermost bracketing variation
17208 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17209 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17210 if(*p == '{') wait = '}'; else
17211 if(*p == '[') wait = ']'; else
17212 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17213 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17215 if(*p == wait) wait = NULLCHAR; // closing ]} found
17218 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17219 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17220 end[1] = NULLCHAR; // clip off comment beyond variation
17221 ToNrEvent(currentMove-1);
17222 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17223 // kludge: use ParsePV() to append variation to game
17224 move = currentMove;
17225 ParsePV(start, TRUE, TRUE);
17226 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17227 ClearPremoveHighlights();
17229 ToNrEvent(currentMove+1);