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(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6923 !appData.testLegality || gameMode == EditPosition) return;
6925 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
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 MarkTargetSquares(1);
7178 if (clickType == Press) {
7179 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7180 // must be Edit Position mode with empty-square selected
7181 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7182 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7185 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7186 ChessSquare piece = boards[currentMove][fromY][fromX];
7187 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7188 promoSweep = defaultPromoChoice;
7189 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7190 selectFlag = 0; lastX = xPix; lastY = yPix;
7191 Sweep(0); // Pawn that is going to promote: preview promotion piece
7192 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7193 DrawPosition(FALSE, boards[currentMove]);
7196 /* Finish clickclick move */
7197 if (appData.animate || appData.highlightLastMove) {
7198 SetHighlights(fromX, fromY, toX, toY);
7203 /* Finish drag move */
7204 if (appData.highlightLastMove) {
7205 SetHighlights(fromX, fromY, toX, toY);
7209 DragPieceEnd(xPix, yPix); dragging = 0;
7210 /* Don't animate move and drag both */
7211 appData.animate = FALSE;
7214 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7215 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7216 ChessSquare piece = boards[currentMove][fromY][fromX];
7217 if(gameMode == EditPosition && piece != EmptySquare &&
7218 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7221 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7222 n = PieceToNumber(piece - (int)BlackPawn);
7223 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7224 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7225 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7227 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7228 n = PieceToNumber(piece);
7229 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7230 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7231 boards[currentMove][n][BOARD_WIDTH-2]++;
7233 boards[currentMove][fromY][fromX] = EmptySquare;
7237 DrawPosition(TRUE, boards[currentMove]);
7241 // off-board moves should not be highlighted
7242 if(x < 0 || y < 0) ClearHighlights();
7244 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7246 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7247 SetHighlights(fromX, fromY, toX, toY);
7248 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7249 // [HGM] super: promotion to captured piece selected from holdings
7250 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7251 promotionChoice = TRUE;
7252 // kludge follows to temporarily execute move on display, without promoting yet
7253 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7254 boards[currentMove][toY][toX] = p;
7255 DrawPosition(FALSE, boards[currentMove]);
7256 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7257 boards[currentMove][toY][toX] = q;
7258 DisplayMessage("Click in holdings to choose piece", "");
7263 int oldMove = currentMove;
7264 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7265 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7266 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7267 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7268 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7269 DrawPosition(TRUE, boards[currentMove]);
7272 appData.animate = saveAnimate;
7273 if (appData.animate || appData.animateDragging) {
7274 /* Undo animation damage if needed */
7275 DrawPosition(FALSE, NULL);
7280 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7281 { // front-end-free part taken out of PieceMenuPopup
7282 int whichMenu; int xSqr, ySqr;
7284 if(seekGraphUp) { // [HGM] seekgraph
7285 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7286 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7290 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7291 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7292 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7293 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7294 if(action == Press) {
7295 originalFlip = flipView;
7296 flipView = !flipView; // temporarily flip board to see game from partners perspective
7297 DrawPosition(TRUE, partnerBoard);
7298 DisplayMessage(partnerStatus, "");
7300 } else if(action == Release) {
7301 flipView = originalFlip;
7302 DrawPosition(TRUE, boards[currentMove]);
7308 xSqr = EventToSquare(x, BOARD_WIDTH);
7309 ySqr = EventToSquare(y, BOARD_HEIGHT);
7310 if (action == Release) {
7311 if(pieceSweep != EmptySquare) {
7312 EditPositionMenuEvent(pieceSweep, toX, toY);
7313 pieceSweep = EmptySquare;
7314 } else UnLoadPV(); // [HGM] pv
7316 if (action != Press) return -2; // return code to be ignored
7319 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7321 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7322 if (xSqr < 0 || ySqr < 0) return -1;
7323 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7324 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7325 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7326 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7330 if(!appData.icsEngineAnalyze) return -1;
7331 case IcsPlayingWhite:
7332 case IcsPlayingBlack:
7333 if(!appData.zippyPlay) goto noZip;
7336 case MachinePlaysWhite:
7337 case MachinePlaysBlack:
7338 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7339 if (!appData.dropMenu) {
7341 return 2; // flag front-end to grab mouse events
7343 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7344 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7347 if (xSqr < 0 || ySqr < 0) return -1;
7348 if (!appData.dropMenu || appData.testLegality &&
7349 gameInfo.variant != VariantBughouse &&
7350 gameInfo.variant != VariantCrazyhouse) return -1;
7351 whichMenu = 1; // drop menu
7357 if (((*fromX = xSqr) < 0) ||
7358 ((*fromY = ySqr) < 0)) {
7359 *fromX = *fromY = -1;
7363 *fromX = BOARD_WIDTH - 1 - *fromX;
7365 *fromY = BOARD_HEIGHT - 1 - *fromY;
7371 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7373 // char * hint = lastHint;
7374 FrontEndProgramStats stats;
7376 stats.which = cps == &first ? 0 : 1;
7377 stats.depth = cpstats->depth;
7378 stats.nodes = cpstats->nodes;
7379 stats.score = cpstats->score;
7380 stats.time = cpstats->time;
7381 stats.pv = cpstats->movelist;
7382 stats.hint = lastHint;
7383 stats.an_move_index = 0;
7384 stats.an_move_count = 0;
7386 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7387 stats.hint = cpstats->move_name;
7388 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7389 stats.an_move_count = cpstats->nr_moves;
7392 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
7394 SetProgramStats( &stats );
7398 ClearEngineOutputPane (int which)
7400 static FrontEndProgramStats dummyStats;
7401 dummyStats.which = which;
7402 dummyStats.pv = "#";
7403 SetProgramStats( &dummyStats );
7406 #define MAXPLAYERS 500
7409 TourneyStandings (int display)
7411 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7412 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7413 char result, *p, *names[MAXPLAYERS];
7415 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7416 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7417 names[0] = p = strdup(appData.participants);
7418 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7420 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7422 while(result = appData.results[nr]) {
7423 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7424 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7425 wScore = bScore = 0;
7427 case '+': wScore = 2; break;
7428 case '-': bScore = 2; break;
7429 case '=': wScore = bScore = 1; break;
7431 case '*': return strdup("busy"); // tourney not finished
7439 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7440 for(w=0; w<nPlayers; w++) {
7442 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7443 ranking[w] = b; points[w] = bScore; score[b] = -2;
7445 p = malloc(nPlayers*34+1);
7446 for(w=0; w<nPlayers && w<display; w++)
7447 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7453 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7454 { // count all piece types
7456 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7457 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7458 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7461 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7462 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7463 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7464 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7465 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7466 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7471 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7473 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7474 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7476 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7477 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7478 if(myPawns == 2 && nMine == 3) // KPP
7479 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7480 if(myPawns == 1 && nMine == 2) // KP
7481 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7482 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7483 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7484 if(myPawns) return FALSE;
7485 if(pCnt[WhiteRook+side])
7486 return pCnt[BlackRook-side] ||
7487 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7488 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7489 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7490 if(pCnt[WhiteCannon+side]) {
7491 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7492 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7494 if(pCnt[WhiteKnight+side])
7495 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7500 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7502 VariantClass v = gameInfo.variant;
7504 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7505 if(v == VariantShatranj) return TRUE; // always winnable through baring
7506 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7507 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7509 if(v == VariantXiangqi) {
7510 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7512 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7513 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7514 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7515 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7516 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7517 if(stale) // we have at least one last-rank P plus perhaps C
7518 return majors // KPKX
7519 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7521 return pCnt[WhiteFerz+side] // KCAK
7522 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7523 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7524 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7526 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7527 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7529 if(nMine == 1) return FALSE; // bare King
7530 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
7531 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7532 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7533 // by now we have King + 1 piece (or multiple Bishops on the same color)
7534 if(pCnt[WhiteKnight+side])
7535 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7536 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7537 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7539 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7540 if(pCnt[WhiteAlfil+side])
7541 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7542 if(pCnt[WhiteWazir+side])
7543 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7550 CompareWithRights (Board b1, Board b2)
7553 if(!CompareBoards(b1, b2)) return FALSE;
7554 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7555 /* compare castling rights */
7556 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7557 rights++; /* King lost rights, while rook still had them */
7558 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7559 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7560 rights++; /* but at least one rook lost them */
7562 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7564 if( b1[CASTLING][5] != NoRights ) {
7565 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7572 Adjudicate (ChessProgramState *cps)
7573 { // [HGM] some adjudications useful with buggy engines
7574 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7575 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7576 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7577 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7578 int k, count = 0; static int bare = 1;
7579 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7580 Boolean canAdjudicate = !appData.icsActive;
7582 // most tests only when we understand the game, i.e. legality-checking on
7583 if( appData.testLegality )
7584 { /* [HGM] Some more adjudications for obstinate engines */
7585 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7586 static int moveCount = 6;
7588 char *reason = NULL;
7590 /* Count what is on board. */
7591 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7593 /* Some material-based adjudications that have to be made before stalemate test */
7594 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7595 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7596 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7597 if(canAdjudicate && appData.checkMates) {
7599 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7600 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7601 "Xboard adjudication: King destroyed", GE_XBOARD );
7606 /* Bare King in Shatranj (loses) or Losers (wins) */
7607 if( nrW == 1 || nrB == 1) {
7608 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7609 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7610 if(canAdjudicate && appData.checkMates) {
7612 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7613 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7614 "Xboard adjudication: Bare king", GE_XBOARD );
7618 if( gameInfo.variant == VariantShatranj && --bare < 0)
7620 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7621 if(canAdjudicate && appData.checkMates) {
7622 /* but only adjudicate if adjudication enabled */
7624 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7625 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7626 "Xboard adjudication: Bare king", GE_XBOARD );
7633 // don't wait for engine to announce game end if we can judge ourselves
7634 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7636 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7637 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7638 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7639 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7642 reason = "Xboard adjudication: 3rd check";
7643 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7653 reason = "Xboard adjudication: Stalemate";
7654 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7655 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7656 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7657 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7658 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7659 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7660 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7661 EP_CHECKMATE : EP_WINS);
7662 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7663 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7667 reason = "Xboard adjudication: Checkmate";
7668 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7672 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7674 result = GameIsDrawn; break;
7676 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7678 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7682 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7684 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7685 GameEnds( result, reason, GE_XBOARD );
7689 /* Next absolutely insufficient mating material. */
7690 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7691 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7692 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7694 /* always flag draws, for judging claims */
7695 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7697 if(canAdjudicate && appData.materialDraws) {
7698 /* but only adjudicate them if adjudication enabled */
7699 if(engineOpponent) {
7700 SendToProgram("force\n", engineOpponent); // suppress reply
7701 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7703 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7708 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7709 if(gameInfo.variant == VariantXiangqi ?
7710 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7712 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7713 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7714 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7715 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7717 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7718 { /* if the first 3 moves do not show a tactical win, declare draw */
7719 if(engineOpponent) {
7720 SendToProgram("force\n", engineOpponent); // suppress reply
7721 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7723 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7726 } else moveCount = 6;
7729 // Repetition draws and 50-move rule can be applied independently of legality testing
7731 /* Check for rep-draws */
7733 for(k = forwardMostMove-2;
7734 k>=backwardMostMove && k>=forwardMostMove-100 &&
7735 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7736 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7739 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7740 /* compare castling rights */
7741 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7742 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7743 rights++; /* King lost rights, while rook still had them */
7744 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7745 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7746 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7747 rights++; /* but at least one rook lost them */
7749 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7750 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7752 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7753 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7754 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7757 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7758 && appData.drawRepeats > 1) {
7759 /* adjudicate after user-specified nr of repeats */
7760 int result = GameIsDrawn;
7761 char *details = "XBoard adjudication: repetition draw";
7762 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7763 // [HGM] xiangqi: check for forbidden perpetuals
7764 int m, ourPerpetual = 1, hisPerpetual = 1;
7765 for(m=forwardMostMove; m>k; m-=2) {
7766 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7767 ourPerpetual = 0; // the current mover did not always check
7768 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7769 hisPerpetual = 0; // the opponent did not always check
7771 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7772 ourPerpetual, hisPerpetual);
7773 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7774 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7775 details = "Xboard adjudication: perpetual checking";
7777 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7778 break; // (or we would have caught him before). Abort repetition-checking loop.
7780 // Now check for perpetual chases
7781 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7782 hisPerpetual = PerpetualChase(k, forwardMostMove);
7783 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7784 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7785 static char resdet[MSG_SIZ];
7786 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7788 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7790 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7791 break; // Abort repetition-checking loop.
7793 // if neither of us is checking or chasing all the time, or both are, it is draw
7795 if(engineOpponent) {
7796 SendToProgram("force\n", engineOpponent); // suppress reply
7797 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7799 GameEnds( result, details, GE_XBOARD );
7802 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7803 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7807 /* Now we test for 50-move draws. Determine ply count */
7808 count = forwardMostMove;
7809 /* look for last irreversble move */
7810 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7812 /* if we hit starting position, add initial plies */
7813 if( count == backwardMostMove )
7814 count -= initialRulePlies;
7815 count = forwardMostMove - count;
7816 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7817 // adjust reversible move counter for checks in Xiangqi
7818 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7819 if(i < backwardMostMove) i = backwardMostMove;
7820 while(i <= forwardMostMove) {
7821 lastCheck = inCheck; // check evasion does not count
7822 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7823 if(inCheck || lastCheck) count--; // check does not count
7828 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7829 /* this is used to judge if draw claims are legal */
7830 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7831 if(engineOpponent) {
7832 SendToProgram("force\n", engineOpponent); // suppress reply
7833 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7835 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7839 /* if draw offer is pending, treat it as a draw claim
7840 * when draw condition present, to allow engines a way to
7841 * claim draws before making their move to avoid a race
7842 * condition occurring after their move
7844 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7846 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7847 p = "Draw claim: 50-move rule";
7848 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7849 p = "Draw claim: 3-fold repetition";
7850 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7851 p = "Draw claim: insufficient mating material";
7852 if( p != NULL && canAdjudicate) {
7853 if(engineOpponent) {
7854 SendToProgram("force\n", engineOpponent); // suppress reply
7855 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7857 GameEnds( GameIsDrawn, p, GE_XBOARD );
7862 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7863 if(engineOpponent) {
7864 SendToProgram("force\n", engineOpponent); // suppress reply
7865 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7867 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7874 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7875 { // [HGM] book: this routine intercepts moves to simulate book replies
7876 char *bookHit = NULL;
7878 //first determine if the incoming move brings opponent into his book
7879 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7880 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7881 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7882 if(bookHit != NULL && !cps->bookSuspend) {
7883 // make sure opponent is not going to reply after receiving move to book position
7884 SendToProgram("force\n", cps);
7885 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7887 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7888 // now arrange restart after book miss
7890 // after a book hit we never send 'go', and the code after the call to this routine
7891 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7892 char buf[MSG_SIZ], *move = bookHit;
7894 int fromX, fromY, toX, toY;
7898 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7899 &fromX, &fromY, &toX, &toY, &promoChar)) {
7900 (void) CoordsToAlgebraic(boards[forwardMostMove],
7901 PosFlags(forwardMostMove),
7902 fromY, fromX, toY, toX, promoChar, move);
7904 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7908 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7909 SendToProgram(buf, cps);
7910 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7911 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7912 SendToProgram("go\n", cps);
7913 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7914 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7915 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7916 SendToProgram("go\n", cps);
7917 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7919 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7923 LoadError (char *errmess, ChessProgramState *cps)
7924 { // unloads engine and switches back to -ncp mode if it was first
7925 if(cps->initDone) return FALSE;
7926 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7927 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7930 appData.noChessProgram = TRUE;
7931 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7932 gameMode = BeginningOfGame; ModeHighlight();
7935 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7936 DisplayMessage("", ""); // erase waiting message
7937 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7942 ChessProgramState *savedState;
7944 DeferredBookMove (void)
7946 if(savedState->lastPing != savedState->lastPong)
7947 ScheduleDelayedEvent(DeferredBookMove, 10);
7949 HandleMachineMove(savedMessage, savedState);
7952 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7955 HandleMachineMove (char *message, ChessProgramState *cps)
7957 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7958 char realname[MSG_SIZ];
7959 int fromX, fromY, toX, toY;
7963 int machineWhite, oldError;
7966 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7967 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7968 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7969 DisplayError(_("Invalid pairing from pairing engine"), 0);
7972 pairingReceived = 1;
7974 return; // Skim the pairing messages here.
7977 oldError = cps->userError; cps->userError = 0;
7979 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7981 * Kludge to ignore BEL characters
7983 while (*message == '\007') message++;
7986 * [HGM] engine debug message: ignore lines starting with '#' character
7988 if(cps->debug && *message == '#') return;
7991 * Look for book output
7993 if (cps == &first && bookRequested) {
7994 if (message[0] == '\t' || message[0] == ' ') {
7995 /* Part of the book output is here; append it */
7996 strcat(bookOutput, message);
7997 strcat(bookOutput, " \n");
7999 } else if (bookOutput[0] != NULLCHAR) {
8000 /* All of book output has arrived; display it */
8001 char *p = bookOutput;
8002 while (*p != NULLCHAR) {
8003 if (*p == '\t') *p = ' ';
8006 DisplayInformation(bookOutput);
8007 bookRequested = FALSE;
8008 /* Fall through to parse the current output */
8013 * Look for machine move.
8015 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8016 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8018 /* This method is only useful on engines that support ping */
8019 if (cps->lastPing != cps->lastPong) {
8020 if (gameMode == BeginningOfGame) {
8021 /* Extra move from before last new; ignore */
8022 if (appData.debugMode) {
8023 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8026 if (appData.debugMode) {
8027 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8028 cps->which, gameMode);
8031 SendToProgram("undo\n", cps);
8037 case BeginningOfGame:
8038 /* Extra move from before last reset; ignore */
8039 if (appData.debugMode) {
8040 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8047 /* Extra move after we tried to stop. The mode test is
8048 not a reliable way of detecting this problem, but it's
8049 the best we can do on engines that don't support ping.
8051 if (appData.debugMode) {
8052 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8053 cps->which, gameMode);
8055 SendToProgram("undo\n", cps);
8058 case MachinePlaysWhite:
8059 case IcsPlayingWhite:
8060 machineWhite = TRUE;
8063 case MachinePlaysBlack:
8064 case IcsPlayingBlack:
8065 machineWhite = FALSE;
8068 case TwoMachinesPlay:
8069 machineWhite = (cps->twoMachinesColor[0] == 'w');
8072 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8073 if (appData.debugMode) {
8075 "Ignoring move out of turn by %s, gameMode %d"
8076 ", forwardMost %d\n",
8077 cps->which, gameMode, forwardMostMove);
8082 if(cps->alphaRank) AlphaRank(machineMove, 4);
8083 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8084 &fromX, &fromY, &toX, &toY, &promoChar)) {
8085 /* Machine move could not be parsed; ignore it. */
8086 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8087 machineMove, _(cps->which));
8088 DisplayError(buf1, 0);
8089 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8090 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8091 if (gameMode == TwoMachinesPlay) {
8092 GameEnds(machineWhite ? BlackWins : WhiteWins,
8098 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8099 /* So we have to redo legality test with true e.p. status here, */
8100 /* to make sure an illegal e.p. capture does not slip through, */
8101 /* to cause a forfeit on a justified illegal-move complaint */
8102 /* of the opponent. */
8103 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8105 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8106 fromY, fromX, toY, toX, promoChar);
8107 if(moveType == IllegalMove) {
8108 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8109 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8110 GameEnds(machineWhite ? BlackWins : WhiteWins,
8113 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8114 /* [HGM] Kludge to handle engines that send FRC-style castling
8115 when they shouldn't (like TSCP-Gothic) */
8117 case WhiteASideCastleFR:
8118 case BlackASideCastleFR:
8120 currentMoveString[2]++;
8122 case WhiteHSideCastleFR:
8123 case BlackHSideCastleFR:
8125 currentMoveString[2]--;
8127 default: ; // nothing to do, but suppresses warning of pedantic compilers
8130 hintRequested = FALSE;
8131 lastHint[0] = NULLCHAR;
8132 bookRequested = FALSE;
8133 /* Program may be pondering now */
8134 cps->maybeThinking = TRUE;
8135 if (cps->sendTime == 2) cps->sendTime = 1;
8136 if (cps->offeredDraw) cps->offeredDraw--;
8138 /* [AS] Save move info*/
8139 pvInfoList[ forwardMostMove ].score = programStats.score;
8140 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8141 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8143 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8145 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8146 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8149 while( count < adjudicateLossPlies ) {
8150 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8153 score = -score; /* Flip score for winning side */
8156 if( score > adjudicateLossThreshold ) {
8163 if( count >= adjudicateLossPlies ) {
8164 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8166 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8167 "Xboard adjudication",
8174 if(Adjudicate(cps)) {
8175 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8176 return; // [HGM] adjudicate: for all automatic game ends
8180 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8182 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8183 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8185 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8187 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8189 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8190 char buf[3*MSG_SIZ];
8192 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8193 programStats.score / 100.,
8195 programStats.time / 100.,
8196 (unsigned int)programStats.nodes,
8197 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8198 programStats.movelist);
8200 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8205 /* [AS] Clear stats for next move */
8206 ClearProgramStats();
8207 thinkOutput[0] = NULLCHAR;
8208 hiddenThinkOutputState = 0;
8211 if (gameMode == TwoMachinesPlay) {
8212 /* [HGM] relaying draw offers moved to after reception of move */
8213 /* and interpreting offer as claim if it brings draw condition */
8214 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8215 SendToProgram("draw\n", cps->other);
8217 if (cps->other->sendTime) {
8218 SendTimeRemaining(cps->other,
8219 cps->other->twoMachinesColor[0] == 'w');
8221 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8222 if (firstMove && !bookHit) {
8224 if (cps->other->useColors) {
8225 SendToProgram(cps->other->twoMachinesColor, cps->other);
8227 SendToProgram("go\n", cps->other);
8229 cps->other->maybeThinking = TRUE;
8232 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8234 if (!pausing && appData.ringBellAfterMoves) {
8239 * Reenable menu items that were disabled while
8240 * machine was thinking
8242 if (gameMode != TwoMachinesPlay)
8243 SetUserThinkingEnables();
8245 // [HGM] book: after book hit opponent has received move and is now in force mode
8246 // force the book reply into it, and then fake that it outputted this move by jumping
8247 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8249 static char bookMove[MSG_SIZ]; // a bit generous?
8251 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8252 strcat(bookMove, bookHit);
8255 programStats.nodes = programStats.depth = programStats.time =
8256 programStats.score = programStats.got_only_move = 0;
8257 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8259 if(cps->lastPing != cps->lastPong) {
8260 savedMessage = message; // args for deferred call
8262 ScheduleDelayedEvent(DeferredBookMove, 10);
8271 /* Set special modes for chess engines. Later something general
8272 * could be added here; for now there is just one kludge feature,
8273 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8274 * when "xboard" is given as an interactive command.
8276 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8277 cps->useSigint = FALSE;
8278 cps->useSigterm = FALSE;
8280 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8281 ParseFeatures(message+8, cps);
8282 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8285 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8286 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8287 int dummy, s=6; char buf[MSG_SIZ];
8288 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8289 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8290 if(startedFromSetupPosition) return;
8291 ParseFEN(boards[0], &dummy, message+s);
8292 DrawPosition(TRUE, boards[0]);
8293 startedFromSetupPosition = TRUE;
8296 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8297 * want this, I was asked to put it in, and obliged.
8299 if (!strncmp(message, "setboard ", 9)) {
8300 Board initial_position;
8302 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8304 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8305 DisplayError(_("Bad FEN received from engine"), 0);
8309 CopyBoard(boards[0], initial_position);
8310 initialRulePlies = FENrulePlies;
8311 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8312 else gameMode = MachinePlaysBlack;
8313 DrawPosition(FALSE, boards[currentMove]);
8319 * Look for communication commands
8321 if (!strncmp(message, "telluser ", 9)) {
8322 if(message[9] == '\\' && message[10] == '\\')
8323 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8325 DisplayNote(message + 9);
8328 if (!strncmp(message, "tellusererror ", 14)) {
8330 if(message[14] == '\\' && message[15] == '\\')
8331 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8333 DisplayError(message + 14, 0);
8336 if (!strncmp(message, "tellopponent ", 13)) {
8337 if (appData.icsActive) {
8339 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8343 DisplayNote(message + 13);
8347 if (!strncmp(message, "tellothers ", 11)) {
8348 if (appData.icsActive) {
8350 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8356 if (!strncmp(message, "tellall ", 8)) {
8357 if (appData.icsActive) {
8359 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8363 DisplayNote(message + 8);
8367 if (strncmp(message, "warning", 7) == 0) {
8368 /* Undocumented feature, use tellusererror in new code */
8369 DisplayError(message, 0);
8372 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8373 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8374 strcat(realname, " query");
8375 AskQuestion(realname, buf2, buf1, cps->pr);
8378 /* Commands from the engine directly to ICS. We don't allow these to be
8379 * sent until we are logged on. Crafty kibitzes have been known to
8380 * interfere with the login process.
8383 if (!strncmp(message, "tellics ", 8)) {
8384 SendToICS(message + 8);
8388 if (!strncmp(message, "tellicsnoalias ", 15)) {
8389 SendToICS(ics_prefix);
8390 SendToICS(message + 15);
8394 /* The following are for backward compatibility only */
8395 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8396 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8397 SendToICS(ics_prefix);
8403 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8407 * If the move is illegal, cancel it and redraw the board.
8408 * Also deal with other error cases. Matching is rather loose
8409 * here to accommodate engines written before the spec.
8411 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8412 strncmp(message, "Error", 5) == 0) {
8413 if (StrStr(message, "name") ||
8414 StrStr(message, "rating") || StrStr(message, "?") ||
8415 StrStr(message, "result") || StrStr(message, "board") ||
8416 StrStr(message, "bk") || StrStr(message, "computer") ||
8417 StrStr(message, "variant") || StrStr(message, "hint") ||
8418 StrStr(message, "random") || StrStr(message, "depth") ||
8419 StrStr(message, "accepted")) {
8422 if (StrStr(message, "protover")) {
8423 /* Program is responding to input, so it's apparently done
8424 initializing, and this error message indicates it is
8425 protocol version 1. So we don't need to wait any longer
8426 for it to initialize and send feature commands. */
8427 FeatureDone(cps, 1);
8428 cps->protocolVersion = 1;
8431 cps->maybeThinking = FALSE;
8433 if (StrStr(message, "draw")) {
8434 /* Program doesn't have "draw" command */
8435 cps->sendDrawOffers = 0;
8438 if (cps->sendTime != 1 &&
8439 (StrStr(message, "time") || StrStr(message, "otim"))) {
8440 /* Program apparently doesn't have "time" or "otim" command */
8444 if (StrStr(message, "analyze")) {
8445 cps->analysisSupport = FALSE;
8446 cps->analyzing = FALSE;
8447 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8448 EditGameEvent(); // [HGM] try to preserve loaded game
8449 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8450 DisplayError(buf2, 0);
8453 if (StrStr(message, "(no matching move)st")) {
8454 /* Special kludge for GNU Chess 4 only */
8455 cps->stKludge = TRUE;
8456 SendTimeControl(cps, movesPerSession, timeControl,
8457 timeIncrement, appData.searchDepth,
8461 if (StrStr(message, "(no matching move)sd")) {
8462 /* Special kludge for GNU Chess 4 only */
8463 cps->sdKludge = TRUE;
8464 SendTimeControl(cps, movesPerSession, timeControl,
8465 timeIncrement, appData.searchDepth,
8469 if (!StrStr(message, "llegal")) {
8472 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8473 gameMode == IcsIdle) return;
8474 if (forwardMostMove <= backwardMostMove) return;
8475 if (pausing) PauseEvent();
8476 if(appData.forceIllegal) {
8477 // [HGM] illegal: machine refused move; force position after move into it
8478 SendToProgram("force\n", cps);
8479 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8480 // we have a real problem now, as SendBoard will use the a2a3 kludge
8481 // when black is to move, while there might be nothing on a2 or black
8482 // might already have the move. So send the board as if white has the move.
8483 // But first we must change the stm of the engine, as it refused the last move
8484 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8485 if(WhiteOnMove(forwardMostMove)) {
8486 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8487 SendBoard(cps, forwardMostMove); // kludgeless board
8489 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8490 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8491 SendBoard(cps, forwardMostMove+1); // kludgeless board
8493 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8494 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8495 gameMode == TwoMachinesPlay)
8496 SendToProgram("go\n", cps);
8499 if (gameMode == PlayFromGameFile) {
8500 /* Stop reading this game file */
8501 gameMode = EditGame;
8504 /* [HGM] illegal-move claim should forfeit game when Xboard */
8505 /* only passes fully legal moves */
8506 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8507 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8508 "False illegal-move claim", GE_XBOARD );
8509 return; // do not take back move we tested as valid
8511 currentMove = forwardMostMove-1;
8512 DisplayMove(currentMove-1); /* before DisplayMoveError */
8513 SwitchClocks(forwardMostMove-1); // [HGM] race
8514 DisplayBothClocks();
8515 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8516 parseList[currentMove], _(cps->which));
8517 DisplayMoveError(buf1);
8518 DrawPosition(FALSE, boards[currentMove]);
8520 SetUserThinkingEnables();
8523 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8524 /* Program has a broken "time" command that
8525 outputs a string not ending in newline.
8531 * If chess program startup fails, exit with an error message.
8532 * Attempts to recover here are futile. [HGM] Well, we try anyway
8534 if ((StrStr(message, "unknown host") != NULL)
8535 || (StrStr(message, "No remote directory") != NULL)
8536 || (StrStr(message, "not found") != NULL)
8537 || (StrStr(message, "No such file") != NULL)
8538 || (StrStr(message, "can't alloc") != NULL)
8539 || (StrStr(message, "Permission denied") != NULL)) {
8541 cps->maybeThinking = FALSE;
8542 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8543 _(cps->which), cps->program, cps->host, message);
8544 RemoveInputSource(cps->isr);
8545 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8546 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8547 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8553 * Look for hint output
8555 if (sscanf(message, "Hint: %s", buf1) == 1) {
8556 if (cps == &first && hintRequested) {
8557 hintRequested = FALSE;
8558 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8559 &fromX, &fromY, &toX, &toY, &promoChar)) {
8560 (void) CoordsToAlgebraic(boards[forwardMostMove],
8561 PosFlags(forwardMostMove),
8562 fromY, fromX, toY, toX, promoChar, buf1);
8563 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8564 DisplayInformation(buf2);
8566 /* Hint move could not be parsed!? */
8567 snprintf(buf2, sizeof(buf2),
8568 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8569 buf1, _(cps->which));
8570 DisplayError(buf2, 0);
8573 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8579 * Ignore other messages if game is not in progress
8581 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8582 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8585 * look for win, lose, draw, or draw offer
8587 if (strncmp(message, "1-0", 3) == 0) {
8588 char *p, *q, *r = "";
8589 p = strchr(message, '{');
8597 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8599 } else if (strncmp(message, "0-1", 3) == 0) {
8600 char *p, *q, *r = "";
8601 p = strchr(message, '{');
8609 /* Kludge for Arasan 4.1 bug */
8610 if (strcmp(r, "Black resigns") == 0) {
8611 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8614 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8616 } else if (strncmp(message, "1/2", 3) == 0) {
8617 char *p, *q, *r = "";
8618 p = strchr(message, '{');
8627 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8630 } else if (strncmp(message, "White resign", 12) == 0) {
8631 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8633 } else if (strncmp(message, "Black resign", 12) == 0) {
8634 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8636 } else if (strncmp(message, "White matches", 13) == 0 ||
8637 strncmp(message, "Black matches", 13) == 0 ) {
8638 /* [HGM] ignore GNUShogi noises */
8640 } else if (strncmp(message, "White", 5) == 0 &&
8641 message[5] != '(' &&
8642 StrStr(message, "Black") == NULL) {
8643 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8645 } else if (strncmp(message, "Black", 5) == 0 &&
8646 message[5] != '(') {
8647 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8649 } else if (strcmp(message, "resign") == 0 ||
8650 strcmp(message, "computer resigns") == 0) {
8652 case MachinePlaysBlack:
8653 case IcsPlayingBlack:
8654 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8656 case MachinePlaysWhite:
8657 case IcsPlayingWhite:
8658 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8660 case TwoMachinesPlay:
8661 if (cps->twoMachinesColor[0] == 'w')
8662 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8664 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8671 } else if (strncmp(message, "opponent mates", 14) == 0) {
8673 case MachinePlaysBlack:
8674 case IcsPlayingBlack:
8675 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8677 case MachinePlaysWhite:
8678 case IcsPlayingWhite:
8679 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8681 case TwoMachinesPlay:
8682 if (cps->twoMachinesColor[0] == 'w')
8683 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8685 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8692 } else if (strncmp(message, "computer mates", 14) == 0) {
8694 case MachinePlaysBlack:
8695 case IcsPlayingBlack:
8696 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8698 case MachinePlaysWhite:
8699 case IcsPlayingWhite:
8700 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8702 case TwoMachinesPlay:
8703 if (cps->twoMachinesColor[0] == 'w')
8704 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8706 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8713 } else if (strncmp(message, "checkmate", 9) == 0) {
8714 if (WhiteOnMove(forwardMostMove)) {
8715 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8717 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8720 } else if (strstr(message, "Draw") != NULL ||
8721 strstr(message, "game is a draw") != NULL) {
8722 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8724 } else if (strstr(message, "offer") != NULL &&
8725 strstr(message, "draw") != NULL) {
8727 if (appData.zippyPlay && first.initDone) {
8728 /* Relay offer to ICS */
8729 SendToICS(ics_prefix);
8730 SendToICS("draw\n");
8733 cps->offeredDraw = 2; /* valid until this engine moves twice */
8734 if (gameMode == TwoMachinesPlay) {
8735 if (cps->other->offeredDraw) {
8736 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8737 /* [HGM] in two-machine mode we delay relaying draw offer */
8738 /* until after we also have move, to see if it is really claim */
8740 } else if (gameMode == MachinePlaysWhite ||
8741 gameMode == MachinePlaysBlack) {
8742 if (userOfferedDraw) {
8743 DisplayInformation(_("Machine accepts your draw offer"));
8744 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8746 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8753 * Look for thinking output
8755 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8756 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8758 int plylev, mvleft, mvtot, curscore, time;
8759 char mvname[MOVE_LEN];
8763 int prefixHint = FALSE;
8764 mvname[0] = NULLCHAR;
8767 case MachinePlaysBlack:
8768 case IcsPlayingBlack:
8769 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8771 case MachinePlaysWhite:
8772 case IcsPlayingWhite:
8773 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8778 case IcsObserving: /* [DM] icsEngineAnalyze */
8779 if (!appData.icsEngineAnalyze) ignore = TRUE;
8781 case TwoMachinesPlay:
8782 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8792 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8794 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8795 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8797 if (plyext != ' ' && plyext != '\t') {
8801 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8802 if( cps->scoreIsAbsolute &&
8803 ( gameMode == MachinePlaysBlack ||
8804 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8805 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8806 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8807 !WhiteOnMove(currentMove)
8810 curscore = -curscore;
8813 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8815 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8818 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8819 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8820 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8821 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8822 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8823 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8825 } else DisplayError(_("failed writing PV"), 0);
8828 tempStats.depth = plylev;
8829 tempStats.nodes = nodes;
8830 tempStats.time = time;
8831 tempStats.score = curscore;
8832 tempStats.got_only_move = 0;
8834 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8837 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8838 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8839 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8840 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8841 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8842 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8843 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8844 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8847 /* Buffer overflow protection */
8848 if (pv[0] != NULLCHAR) {
8849 if (strlen(pv) >= sizeof(tempStats.movelist)
8850 && appData.debugMode) {
8852 "PV is too long; using the first %u bytes.\n",
8853 (unsigned) sizeof(tempStats.movelist) - 1);
8856 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8858 sprintf(tempStats.movelist, " no PV\n");
8861 if (tempStats.seen_stat) {
8862 tempStats.ok_to_send = 1;
8865 if (strchr(tempStats.movelist, '(') != NULL) {
8866 tempStats.line_is_book = 1;
8867 tempStats.nr_moves = 0;
8868 tempStats.moves_left = 0;
8870 tempStats.line_is_book = 0;
8873 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8874 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8876 SendProgramStatsToFrontend( cps, &tempStats );
8879 [AS] Protect the thinkOutput buffer from overflow... this
8880 is only useful if buf1 hasn't overflowed first!
8882 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8884 (gameMode == TwoMachinesPlay ?
8885 ToUpper(cps->twoMachinesColor[0]) : ' '),
8886 ((double) curscore) / 100.0,
8887 prefixHint ? lastHint : "",
8888 prefixHint ? " " : "" );
8890 if( buf1[0] != NULLCHAR ) {
8891 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8893 if( strlen(pv) > max_len ) {
8894 if( appData.debugMode) {
8895 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8897 pv[max_len+1] = '\0';
8900 strcat( thinkOutput, pv);
8903 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8904 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8905 DisplayMove(currentMove - 1);
8909 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8910 /* crafty (9.25+) says "(only move) <move>"
8911 * if there is only 1 legal move
8913 sscanf(p, "(only move) %s", buf1);
8914 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8915 sprintf(programStats.movelist, "%s (only move)", buf1);
8916 programStats.depth = 1;
8917 programStats.nr_moves = 1;
8918 programStats.moves_left = 1;
8919 programStats.nodes = 1;
8920 programStats.time = 1;
8921 programStats.got_only_move = 1;
8923 /* Not really, but we also use this member to
8924 mean "line isn't going to change" (Crafty
8925 isn't searching, so stats won't change) */
8926 programStats.line_is_book = 1;
8928 SendProgramStatsToFrontend( cps, &programStats );
8930 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8931 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8932 DisplayMove(currentMove - 1);
8935 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8936 &time, &nodes, &plylev, &mvleft,
8937 &mvtot, mvname) >= 5) {
8938 /* The stat01: line is from Crafty (9.29+) in response
8939 to the "." command */
8940 programStats.seen_stat = 1;
8941 cps->maybeThinking = TRUE;
8943 if (programStats.got_only_move || !appData.periodicUpdates)
8946 programStats.depth = plylev;
8947 programStats.time = time;
8948 programStats.nodes = nodes;
8949 programStats.moves_left = mvleft;
8950 programStats.nr_moves = mvtot;
8951 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8952 programStats.ok_to_send = 1;
8953 programStats.movelist[0] = '\0';
8955 SendProgramStatsToFrontend( cps, &programStats );
8959 } else if (strncmp(message,"++",2) == 0) {
8960 /* Crafty 9.29+ outputs this */
8961 programStats.got_fail = 2;
8964 } else if (strncmp(message,"--",2) == 0) {
8965 /* Crafty 9.29+ outputs this */
8966 programStats.got_fail = 1;
8969 } else if (thinkOutput[0] != NULLCHAR &&
8970 strncmp(message, " ", 4) == 0) {
8971 unsigned message_len;
8974 while (*p && *p == ' ') p++;
8976 message_len = strlen( p );
8978 /* [AS] Avoid buffer overflow */
8979 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8980 strcat(thinkOutput, " ");
8981 strcat(thinkOutput, p);
8984 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8985 strcat(programStats.movelist, " ");
8986 strcat(programStats.movelist, p);
8989 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8990 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8991 DisplayMove(currentMove - 1);
8999 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9000 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9002 ChessProgramStats cpstats;
9004 if (plyext != ' ' && plyext != '\t') {
9008 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9009 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9010 curscore = -curscore;
9013 cpstats.depth = plylev;
9014 cpstats.nodes = nodes;
9015 cpstats.time = time;
9016 cpstats.score = curscore;
9017 cpstats.got_only_move = 0;
9018 cpstats.movelist[0] = '\0';
9020 if (buf1[0] != NULLCHAR) {
9021 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9024 cpstats.ok_to_send = 0;
9025 cpstats.line_is_book = 0;
9026 cpstats.nr_moves = 0;
9027 cpstats.moves_left = 0;
9029 SendProgramStatsToFrontend( cps, &cpstats );
9036 /* Parse a game score from the character string "game", and
9037 record it as the history of the current game. The game
9038 score is NOT assumed to start from the standard position.
9039 The display is not updated in any way.
9042 ParseGameHistory (char *game)
9045 int fromX, fromY, toX, toY, boardIndex;
9050 if (appData.debugMode)
9051 fprintf(debugFP, "Parsing game history: %s\n", game);
9053 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9054 gameInfo.site = StrSave(appData.icsHost);
9055 gameInfo.date = PGNDate();
9056 gameInfo.round = StrSave("-");
9058 /* Parse out names of players */
9059 while (*game == ' ') game++;
9061 while (*game != ' ') *p++ = *game++;
9063 gameInfo.white = StrSave(buf);
9064 while (*game == ' ') game++;
9066 while (*game != ' ' && *game != '\n') *p++ = *game++;
9068 gameInfo.black = StrSave(buf);
9071 boardIndex = blackPlaysFirst ? 1 : 0;
9074 yyboardindex = boardIndex;
9075 moveType = (ChessMove) Myylex();
9077 case IllegalMove: /* maybe suicide chess, etc. */
9078 if (appData.debugMode) {
9079 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9080 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9081 setbuf(debugFP, NULL);
9083 case WhitePromotion:
9084 case BlackPromotion:
9085 case WhiteNonPromotion:
9086 case BlackNonPromotion:
9088 case WhiteCapturesEnPassant:
9089 case BlackCapturesEnPassant:
9090 case WhiteKingSideCastle:
9091 case WhiteQueenSideCastle:
9092 case BlackKingSideCastle:
9093 case BlackQueenSideCastle:
9094 case WhiteKingSideCastleWild:
9095 case WhiteQueenSideCastleWild:
9096 case BlackKingSideCastleWild:
9097 case BlackQueenSideCastleWild:
9099 case WhiteHSideCastleFR:
9100 case WhiteASideCastleFR:
9101 case BlackHSideCastleFR:
9102 case BlackASideCastleFR:
9104 fromX = currentMoveString[0] - AAA;
9105 fromY = currentMoveString[1] - ONE;
9106 toX = currentMoveString[2] - AAA;
9107 toY = currentMoveString[3] - ONE;
9108 promoChar = currentMoveString[4];
9112 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9113 fromX = moveType == WhiteDrop ?
9114 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9115 (int) CharToPiece(ToLower(currentMoveString[0]));
9117 toX = currentMoveString[2] - AAA;
9118 toY = currentMoveString[3] - ONE;
9119 promoChar = NULLCHAR;
9123 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9124 if (appData.debugMode) {
9125 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9126 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9127 setbuf(debugFP, NULL);
9129 DisplayError(buf, 0);
9131 case ImpossibleMove:
9133 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9134 if (appData.debugMode) {
9135 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9136 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9137 setbuf(debugFP, NULL);
9139 DisplayError(buf, 0);
9142 if (boardIndex < backwardMostMove) {
9143 /* Oops, gap. How did that happen? */
9144 DisplayError(_("Gap in move list"), 0);
9147 backwardMostMove = blackPlaysFirst ? 1 : 0;
9148 if (boardIndex > forwardMostMove) {
9149 forwardMostMove = boardIndex;
9153 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9154 strcat(parseList[boardIndex-1], " ");
9155 strcat(parseList[boardIndex-1], yy_text);
9167 case GameUnfinished:
9168 if (gameMode == IcsExamining) {
9169 if (boardIndex < backwardMostMove) {
9170 /* Oops, gap. How did that happen? */
9173 backwardMostMove = blackPlaysFirst ? 1 : 0;
9176 gameInfo.result = moveType;
9177 p = strchr(yy_text, '{');
9178 if (p == NULL) p = strchr(yy_text, '(');
9181 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9183 q = strchr(p, *p == '{' ? '}' : ')');
9184 if (q != NULL) *q = NULLCHAR;
9187 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9188 gameInfo.resultDetails = StrSave(p);
9191 if (boardIndex >= forwardMostMove &&
9192 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9193 backwardMostMove = blackPlaysFirst ? 1 : 0;
9196 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9197 fromY, fromX, toY, toX, promoChar,
9198 parseList[boardIndex]);
9199 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9200 /* currentMoveString is set as a side-effect of yylex */
9201 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9202 strcat(moveList[boardIndex], "\n");
9204 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9205 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9211 if(gameInfo.variant != VariantShogi)
9212 strcat(parseList[boardIndex - 1], "+");
9216 strcat(parseList[boardIndex - 1], "#");
9223 /* Apply a move to the given board */
9225 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9227 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9228 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9230 /* [HGM] compute & store e.p. status and castling rights for new position */
9231 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9233 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9234 oldEP = (signed char)board[EP_STATUS];
9235 board[EP_STATUS] = EP_NONE;
9237 if (fromY == DROP_RANK) {
9239 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9240 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9243 piece = board[toY][toX] = (ChessSquare) fromX;
9247 if( board[toY][toX] != EmptySquare )
9248 board[EP_STATUS] = EP_CAPTURE;
9250 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9251 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9252 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9254 if( board[fromY][fromX] == WhitePawn ) {
9255 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9256 board[EP_STATUS] = EP_PAWN_MOVE;
9258 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9259 gameInfo.variant != VariantBerolina || toX < fromX)
9260 board[EP_STATUS] = toX | berolina;
9261 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9262 gameInfo.variant != VariantBerolina || toX > fromX)
9263 board[EP_STATUS] = toX;
9266 if( board[fromY][fromX] == BlackPawn ) {
9267 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9268 board[EP_STATUS] = EP_PAWN_MOVE;
9269 if( toY-fromY== -2) {
9270 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9271 gameInfo.variant != VariantBerolina || toX < fromX)
9272 board[EP_STATUS] = toX | berolina;
9273 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9274 gameInfo.variant != VariantBerolina || toX > fromX)
9275 board[EP_STATUS] = toX;
9279 for(i=0; i<nrCastlingRights; i++) {
9280 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9281 board[CASTLING][i] == toX && castlingRank[i] == toY
9282 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9285 if (fromX == toX && fromY == toY) return;
9287 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9288 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9289 if(gameInfo.variant == VariantKnightmate)
9290 king += (int) WhiteUnicorn - (int) WhiteKing;
9292 /* Code added by Tord: */
9293 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9294 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9295 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9296 board[fromY][fromX] = EmptySquare;
9297 board[toY][toX] = EmptySquare;
9298 if((toX > fromX) != (piece == WhiteRook)) {
9299 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9301 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9303 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9304 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9305 board[fromY][fromX] = EmptySquare;
9306 board[toY][toX] = EmptySquare;
9307 if((toX > fromX) != (piece == BlackRook)) {
9308 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9310 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9312 /* End of code added by Tord */
9314 } else if (board[fromY][fromX] == king
9315 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9316 && toY == fromY && toX > fromX+1) {
9317 board[fromY][fromX] = EmptySquare;
9318 board[toY][toX] = king;
9319 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9320 board[fromY][BOARD_RGHT-1] = EmptySquare;
9321 } else if (board[fromY][fromX] == king
9322 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9323 && toY == fromY && toX < fromX-1) {
9324 board[fromY][fromX] = EmptySquare;
9325 board[toY][toX] = king;
9326 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9327 board[fromY][BOARD_LEFT] = EmptySquare;
9328 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9329 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9330 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9332 /* white pawn promotion */
9333 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9334 if(gameInfo.variant==VariantBughouse ||
9335 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9336 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9337 board[fromY][fromX] = EmptySquare;
9338 } else if ((fromY >= BOARD_HEIGHT>>1)
9340 && gameInfo.variant != VariantXiangqi
9341 && gameInfo.variant != VariantBerolina
9342 && (board[fromY][fromX] == WhitePawn)
9343 && (board[toY][toX] == EmptySquare)) {
9344 board[fromY][fromX] = EmptySquare;
9345 board[toY][toX] = WhitePawn;
9346 captured = board[toY - 1][toX];
9347 board[toY - 1][toX] = EmptySquare;
9348 } else if ((fromY == BOARD_HEIGHT-4)
9350 && gameInfo.variant == VariantBerolina
9351 && (board[fromY][fromX] == WhitePawn)
9352 && (board[toY][toX] == EmptySquare)) {
9353 board[fromY][fromX] = EmptySquare;
9354 board[toY][toX] = WhitePawn;
9355 if(oldEP & EP_BEROLIN_A) {
9356 captured = board[fromY][fromX-1];
9357 board[fromY][fromX-1] = EmptySquare;
9358 }else{ captured = board[fromY][fromX+1];
9359 board[fromY][fromX+1] = EmptySquare;
9361 } else if (board[fromY][fromX] == king
9362 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9363 && toY == fromY && toX > fromX+1) {
9364 board[fromY][fromX] = EmptySquare;
9365 board[toY][toX] = king;
9366 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9367 board[fromY][BOARD_RGHT-1] = EmptySquare;
9368 } else if (board[fromY][fromX] == king
9369 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9370 && toY == fromY && toX < fromX-1) {
9371 board[fromY][fromX] = EmptySquare;
9372 board[toY][toX] = king;
9373 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9374 board[fromY][BOARD_LEFT] = EmptySquare;
9375 } else if (fromY == 7 && fromX == 3
9376 && board[fromY][fromX] == BlackKing
9377 && toY == 7 && toX == 5) {
9378 board[fromY][fromX] = EmptySquare;
9379 board[toY][toX] = BlackKing;
9380 board[fromY][7] = EmptySquare;
9381 board[toY][4] = BlackRook;
9382 } else if (fromY == 7 && fromX == 3
9383 && board[fromY][fromX] == BlackKing
9384 && toY == 7 && toX == 1) {
9385 board[fromY][fromX] = EmptySquare;
9386 board[toY][toX] = BlackKing;
9387 board[fromY][0] = EmptySquare;
9388 board[toY][2] = BlackRook;
9389 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9390 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9391 && toY < promoRank && promoChar
9393 /* black pawn promotion */
9394 board[toY][toX] = CharToPiece(ToLower(promoChar));
9395 if(gameInfo.variant==VariantBughouse ||
9396 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9397 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9398 board[fromY][fromX] = EmptySquare;
9399 } else if ((fromY < BOARD_HEIGHT>>1)
9401 && gameInfo.variant != VariantXiangqi
9402 && gameInfo.variant != VariantBerolina
9403 && (board[fromY][fromX] == BlackPawn)
9404 && (board[toY][toX] == EmptySquare)) {
9405 board[fromY][fromX] = EmptySquare;
9406 board[toY][toX] = BlackPawn;
9407 captured = board[toY + 1][toX];
9408 board[toY + 1][toX] = EmptySquare;
9409 } else if ((fromY == 3)
9411 && gameInfo.variant == VariantBerolina
9412 && (board[fromY][fromX] == BlackPawn)
9413 && (board[toY][toX] == EmptySquare)) {
9414 board[fromY][fromX] = EmptySquare;
9415 board[toY][toX] = BlackPawn;
9416 if(oldEP & EP_BEROLIN_A) {
9417 captured = board[fromY][fromX-1];
9418 board[fromY][fromX-1] = EmptySquare;
9419 }else{ captured = board[fromY][fromX+1];
9420 board[fromY][fromX+1] = EmptySquare;
9423 board[toY][toX] = board[fromY][fromX];
9424 board[fromY][fromX] = EmptySquare;
9428 if (gameInfo.holdingsWidth != 0) {
9430 /* !!A lot more code needs to be written to support holdings */
9431 /* [HGM] OK, so I have written it. Holdings are stored in the */
9432 /* penultimate board files, so they are automaticlly stored */
9433 /* in the game history. */
9434 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9435 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9436 /* Delete from holdings, by decreasing count */
9437 /* and erasing image if necessary */
9438 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9439 if(p < (int) BlackPawn) { /* white drop */
9440 p -= (int)WhitePawn;
9441 p = PieceToNumber((ChessSquare)p);
9442 if(p >= gameInfo.holdingsSize) p = 0;
9443 if(--board[p][BOARD_WIDTH-2] <= 0)
9444 board[p][BOARD_WIDTH-1] = EmptySquare;
9445 if((int)board[p][BOARD_WIDTH-2] < 0)
9446 board[p][BOARD_WIDTH-2] = 0;
9447 } else { /* black drop */
9448 p -= (int)BlackPawn;
9449 p = PieceToNumber((ChessSquare)p);
9450 if(p >= gameInfo.holdingsSize) p = 0;
9451 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9452 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9453 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9454 board[BOARD_HEIGHT-1-p][1] = 0;
9457 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9458 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9459 /* [HGM] holdings: Add to holdings, if holdings exist */
9460 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9461 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9462 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9465 if (p >= (int) BlackPawn) {
9466 p -= (int)BlackPawn;
9467 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9468 /* in Shogi restore piece to its original first */
9469 captured = (ChessSquare) (DEMOTED captured);
9472 p = PieceToNumber((ChessSquare)p);
9473 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9474 board[p][BOARD_WIDTH-2]++;
9475 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9477 p -= (int)WhitePawn;
9478 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9479 captured = (ChessSquare) (DEMOTED captured);
9482 p = PieceToNumber((ChessSquare)p);
9483 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9484 board[BOARD_HEIGHT-1-p][1]++;
9485 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9488 } else if (gameInfo.variant == VariantAtomic) {
9489 if (captured != EmptySquare) {
9491 for (y = toY-1; y <= toY+1; y++) {
9492 for (x = toX-1; x <= toX+1; x++) {
9493 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9494 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9495 board[y][x] = EmptySquare;
9499 board[toY][toX] = EmptySquare;
9502 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9503 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9505 if(promoChar == '+') {
9506 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9507 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9508 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9509 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9510 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9511 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9512 board[toY][toX] = newPiece;
9514 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9515 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9516 // [HGM] superchess: take promotion piece out of holdings
9517 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9518 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9519 if(!--board[k][BOARD_WIDTH-2])
9520 board[k][BOARD_WIDTH-1] = EmptySquare;
9522 if(!--board[BOARD_HEIGHT-1-k][1])
9523 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9529 /* Updates forwardMostMove */
9531 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9533 // forwardMostMove++; // [HGM] bare: moved downstream
9535 (void) CoordsToAlgebraic(boards[forwardMostMove],
9536 PosFlags(forwardMostMove),
9537 fromY, fromX, toY, toX, promoChar,
9538 parseList[forwardMostMove]);
9540 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9541 int timeLeft; static int lastLoadFlag=0; int king, piece;
9542 piece = boards[forwardMostMove][fromY][fromX];
9543 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9544 if(gameInfo.variant == VariantKnightmate)
9545 king += (int) WhiteUnicorn - (int) WhiteKing;
9546 if(forwardMostMove == 0) {
9547 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9548 fprintf(serverMoves, "%s;", UserName());
9549 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9550 fprintf(serverMoves, "%s;", second.tidy);
9551 fprintf(serverMoves, "%s;", first.tidy);
9552 if(gameMode == MachinePlaysWhite)
9553 fprintf(serverMoves, "%s;", UserName());
9554 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9555 fprintf(serverMoves, "%s;", second.tidy);
9556 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9557 lastLoadFlag = loadFlag;
9559 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9560 // print castling suffix
9561 if( toY == fromY && piece == king ) {
9563 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9565 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9568 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9569 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9570 boards[forwardMostMove][toY][toX] == EmptySquare
9571 && fromX != toX && fromY != toY)
9572 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9574 if(promoChar != NULLCHAR)
9575 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9577 char buf[MOVE_LEN*2], *p; int len;
9578 fprintf(serverMoves, "/%d/%d",
9579 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9580 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9581 else timeLeft = blackTimeRemaining/1000;
9582 fprintf(serverMoves, "/%d", timeLeft);
9583 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9584 if(p = strchr(buf, '=')) *p = NULLCHAR;
9585 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9586 fprintf(serverMoves, "/%s", buf);
9588 fflush(serverMoves);
9591 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9592 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9595 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9596 if (commentList[forwardMostMove+1] != NULL) {
9597 free(commentList[forwardMostMove+1]);
9598 commentList[forwardMostMove+1] = NULL;
9600 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9601 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9602 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9603 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9604 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9605 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9606 adjustedClock = FALSE;
9607 gameInfo.result = GameUnfinished;
9608 if (gameInfo.resultDetails != NULL) {
9609 free(gameInfo.resultDetails);
9610 gameInfo.resultDetails = NULL;
9612 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9613 moveList[forwardMostMove - 1]);
9614 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9620 if(gameInfo.variant != VariantShogi)
9621 strcat(parseList[forwardMostMove - 1], "+");
9625 strcat(parseList[forwardMostMove - 1], "#");
9631 /* Updates currentMove if not pausing */
9633 ShowMove (int fromX, int fromY, int toX, int toY)
9635 int instant = (gameMode == PlayFromGameFile) ?
9636 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9637 if(appData.noGUI) return;
9638 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9640 if (forwardMostMove == currentMove + 1) {
9641 AnimateMove(boards[forwardMostMove - 1],
9642 fromX, fromY, toX, toY);
9644 if (appData.highlightLastMove) {
9645 SetHighlights(fromX, fromY, toX, toY);
9648 currentMove = forwardMostMove;
9651 if (instant) return;
9653 DisplayMove(currentMove - 1);
9654 DrawPosition(FALSE, boards[currentMove]);
9655 DisplayBothClocks();
9656 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9660 SendEgtPath (ChessProgramState *cps)
9661 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9662 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9664 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9667 char c, *q = name+1, *r, *s;
9669 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9670 while(*p && *p != ',') *q++ = *p++;
9672 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9673 strcmp(name, ",nalimov:") == 0 ) {
9674 // take nalimov path from the menu-changeable option first, if it is defined
9675 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9676 SendToProgram(buf,cps); // send egtbpath command for nalimov
9678 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9679 (s = StrStr(appData.egtFormats, name)) != NULL) {
9680 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9681 s = r = StrStr(s, ":") + 1; // beginning of path info
9682 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9683 c = *r; *r = 0; // temporarily null-terminate path info
9684 *--q = 0; // strip of trailig ':' from name
9685 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9687 SendToProgram(buf,cps); // send egtbpath command for this format
9689 if(*p == ',') p++; // read away comma to position for next format name
9694 InitChessProgram (ChessProgramState *cps, int setup)
9695 /* setup needed to setup FRC opening position */
9697 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9698 if (appData.noChessProgram) return;
9699 hintRequested = FALSE;
9700 bookRequested = FALSE;
9702 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9703 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9704 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9705 if(cps->memSize) { /* [HGM] memory */
9706 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9707 SendToProgram(buf, cps);
9709 SendEgtPath(cps); /* [HGM] EGT */
9710 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9711 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9712 SendToProgram(buf, cps);
9715 SendToProgram(cps->initString, cps);
9716 if (gameInfo.variant != VariantNormal &&
9717 gameInfo.variant != VariantLoadable
9718 /* [HGM] also send variant if board size non-standard */
9719 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9721 char *v = VariantName(gameInfo.variant);
9722 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9723 /* [HGM] in protocol 1 we have to assume all variants valid */
9724 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9725 DisplayFatalError(buf, 0, 1);
9729 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9730 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9731 if( gameInfo.variant == VariantXiangqi )
9732 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9733 if( gameInfo.variant == VariantShogi )
9734 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9735 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9736 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9737 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9738 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9739 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9740 if( gameInfo.variant == VariantCourier )
9741 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9742 if( gameInfo.variant == VariantSuper )
9743 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9744 if( gameInfo.variant == VariantGreat )
9745 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9746 if( gameInfo.variant == VariantSChess )
9747 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9748 if( gameInfo.variant == VariantGrand )
9749 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9752 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9753 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9754 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9755 if(StrStr(cps->variants, b) == NULL) {
9756 // specific sized variant not known, check if general sizing allowed
9757 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9758 if(StrStr(cps->variants, "boardsize") == NULL) {
9759 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9760 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9761 DisplayFatalError(buf, 0, 1);
9764 /* [HGM] here we really should compare with the maximum supported board size */
9767 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9768 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9769 SendToProgram(buf, cps);
9771 currentlyInitializedVariant = gameInfo.variant;
9773 /* [HGM] send opening position in FRC to first engine */
9775 SendToProgram("force\n", cps);
9777 /* engine is now in force mode! Set flag to wake it up after first move. */
9778 setboardSpoiledMachineBlack = 1;
9782 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9783 SendToProgram(buf, cps);
9785 cps->maybeThinking = FALSE;
9786 cps->offeredDraw = 0;
9787 if (!appData.icsActive) {
9788 SendTimeControl(cps, movesPerSession, timeControl,
9789 timeIncrement, appData.searchDepth,
9792 if (appData.showThinking
9793 // [HGM] thinking: four options require thinking output to be sent
9794 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9796 SendToProgram("post\n", cps);
9798 SendToProgram("hard\n", cps);
9799 if (!appData.ponderNextMove) {
9800 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9801 it without being sure what state we are in first. "hard"
9802 is not a toggle, so that one is OK.
9804 SendToProgram("easy\n", cps);
9807 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9808 SendToProgram(buf, cps);
9810 cps->initDone = TRUE;
9811 ClearEngineOutputPane(cps == &second);
9816 StartChessProgram (ChessProgramState *cps)
9821 if (appData.noChessProgram) return;
9822 cps->initDone = FALSE;
9824 if (strcmp(cps->host, "localhost") == 0) {
9825 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9826 } else if (*appData.remoteShell == NULLCHAR) {
9827 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9829 if (*appData.remoteUser == NULLCHAR) {
9830 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9833 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9834 cps->host, appData.remoteUser, cps->program);
9836 err = StartChildProcess(buf, "", &cps->pr);
9840 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9841 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9842 if(cps != &first) return;
9843 appData.noChessProgram = TRUE;
9846 // DisplayFatalError(buf, err, 1);
9847 // cps->pr = NoProc;
9852 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9853 if (cps->protocolVersion > 1) {
9854 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9855 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9856 cps->comboCnt = 0; // and values of combo boxes
9857 SendToProgram(buf, cps);
9859 SendToProgram("xboard\n", cps);
9864 TwoMachinesEventIfReady P((void))
9866 static int curMess = 0;
9867 if (first.lastPing != first.lastPong) {
9868 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9869 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9872 if (second.lastPing != second.lastPong) {
9873 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9874 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9877 DisplayMessage("", ""); curMess = 0;
9883 MakeName (char *template)
9887 static char buf[MSG_SIZ];
9891 clock = time((time_t *)NULL);
9892 tm = localtime(&clock);
9894 while(*p++ = *template++) if(p[-1] == '%') {
9895 switch(*template++) {
9896 case 0: *p = 0; return buf;
9897 case 'Y': i = tm->tm_year+1900; break;
9898 case 'y': i = tm->tm_year-100; break;
9899 case 'M': i = tm->tm_mon+1; break;
9900 case 'd': i = tm->tm_mday; break;
9901 case 'h': i = tm->tm_hour; break;
9902 case 'm': i = tm->tm_min; break;
9903 case 's': i = tm->tm_sec; break;
9906 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9912 CountPlayers (char *p)
9915 while(p = strchr(p, '\n')) p++, n++; // count participants
9920 WriteTourneyFile (char *results, FILE *f)
9921 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9922 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9923 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9924 // create a file with tournament description
9925 fprintf(f, "-participants {%s}\n", appData.participants);
9926 fprintf(f, "-seedBase %d\n", appData.seedBase);
9927 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9928 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9929 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9930 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9931 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9932 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9933 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9934 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9935 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9936 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9937 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9938 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9940 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9942 fprintf(f, "-mps %d\n", appData.movesPerSession);
9943 fprintf(f, "-tc %s\n", appData.timeControl);
9944 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9946 fprintf(f, "-results \"%s\"\n", results);
9951 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9954 Substitute (char *participants, int expunge)
9956 int i, changed, changes=0, nPlayers=0;
9957 char *p, *q, *r, buf[MSG_SIZ];
9958 if(participants == NULL) return;
9959 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9960 r = p = participants; q = appData.participants;
9961 while(*p && *p == *q) {
9962 if(*p == '\n') r = p+1, nPlayers++;
9965 if(*p) { // difference
9966 while(*p && *p++ != '\n');
9967 while(*q && *q++ != '\n');
9969 changes = 1 + (strcmp(p, q) != 0);
9971 if(changes == 1) { // a single engine mnemonic was changed
9972 q = r; while(*q) nPlayers += (*q++ == '\n');
9973 p = buf; while(*r && (*p = *r++) != '\n') p++;
9975 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9976 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9977 if(mnemonic[i]) { // The substitute is valid
9979 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9980 flock(fileno(f), LOCK_EX);
9981 ParseArgsFromFile(f);
9982 fseek(f, 0, SEEK_SET);
9983 FREE(appData.participants); appData.participants = participants;
9984 if(expunge) { // erase results of replaced engine
9985 int len = strlen(appData.results), w, b, dummy;
9986 for(i=0; i<len; i++) {
9987 Pairing(i, nPlayers, &w, &b, &dummy);
9988 if((w == changed || b == changed) && appData.results[i] == '*') {
9989 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9994 for(i=0; i<len; i++) {
9995 Pairing(i, nPlayers, &w, &b, &dummy);
9996 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9999 WriteTourneyFile(appData.results, f);
10000 fclose(f); // release lock
10003 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10005 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10006 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10007 free(participants);
10012 CreateTourney (char *name)
10015 if(matchMode && strcmp(name, appData.tourneyFile)) {
10016 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10018 if(name[0] == NULLCHAR) {
10019 if(appData.participants[0])
10020 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10023 f = fopen(name, "r");
10024 if(f) { // file exists
10025 ASSIGN(appData.tourneyFile, name);
10026 ParseArgsFromFile(f); // parse it
10028 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10029 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10030 DisplayError(_("Not enough participants"), 0);
10033 ASSIGN(appData.tourneyFile, name);
10034 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10035 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10038 appData.noChessProgram = FALSE;
10039 appData.clockMode = TRUE;
10045 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10047 char buf[MSG_SIZ], *p, *q;
10048 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10049 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10050 skip = !all && group[0]; // if group requested, we start in skip mode
10051 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10052 p = names; q = buf; header = 0;
10053 while(*p && *p != '\n') *q++ = *p++;
10055 if(*p == '\n') p++;
10056 if(buf[0] == '#') {
10057 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10058 depth++; // we must be entering a new group
10059 if(all) continue; // suppress printing group headers when complete list requested
10061 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10063 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10064 if(engineList[i]) free(engineList[i]);
10065 engineList[i] = strdup(buf);
10066 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10067 if(engineMnemonic[i]) free(engineMnemonic[i]);
10068 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10070 sscanf(q + 8, "%s", buf + strlen(buf));
10073 engineMnemonic[i] = strdup(buf);
10076 engineList[i] = engineMnemonic[i] = NULL;
10080 // following implemented as macro to avoid type limitations
10081 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10084 SwapEngines (int n)
10085 { // swap settings for first engine and other engine (so far only some selected options)
10090 SWAP(chessProgram, p)
10092 SWAP(hasOwnBookUCI, h)
10093 SWAP(protocolVersion, h)
10095 SWAP(scoreIsAbsolute, h)
10100 SWAP(engOptions, p)
10101 SWAP(engInitString, p)
10102 SWAP(computerString, p)
10104 SWAP(fenOverride, p)
10106 SWAP(accumulateTC, h)
10111 SetPlayer (int player, char *p)
10112 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10114 char buf[MSG_SIZ], *engineName;
10115 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10116 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10117 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10119 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10120 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10121 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10122 ParseArgsFromString(buf);
10128 char *recentEngines;
10131 RecentEngineEvent (int nr)
10134 // SwapEngines(1); // bump first to second
10135 // ReplaceEngine(&second, 1); // and load it there
10136 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10137 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10138 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10139 ReplaceEngine(&first, 0);
10140 FloatToFront(&appData.recentEngineList, command[n]);
10145 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10146 { // determine players from game number
10147 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10149 if(appData.tourneyType == 0) {
10150 roundsPerCycle = (nPlayers - 1) | 1;
10151 pairingsPerRound = nPlayers / 2;
10152 } else if(appData.tourneyType > 0) {
10153 roundsPerCycle = nPlayers - appData.tourneyType;
10154 pairingsPerRound = appData.tourneyType;
10156 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10157 gamesPerCycle = gamesPerRound * roundsPerCycle;
10158 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10159 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10160 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10161 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10162 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10163 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10165 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10166 if(appData.roundSync) *syncInterval = gamesPerRound;
10168 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10170 if(appData.tourneyType == 0) {
10171 if(curPairing == (nPlayers-1)/2 ) {
10172 *whitePlayer = curRound;
10173 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10175 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10176 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10177 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10178 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10180 } else if(appData.tourneyType > 1) {
10181 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10182 *whitePlayer = curRound + appData.tourneyType;
10183 } else if(appData.tourneyType > 0) {
10184 *whitePlayer = curPairing;
10185 *blackPlayer = curRound + appData.tourneyType;
10188 // take care of white/black alternation per round.
10189 // For cycles and games this is already taken care of by default, derived from matchGame!
10190 return curRound & 1;
10194 NextTourneyGame (int nr, int *swapColors)
10195 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10197 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10199 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10200 tf = fopen(appData.tourneyFile, "r");
10201 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10202 ParseArgsFromFile(tf); fclose(tf);
10203 InitTimeControls(); // TC might be altered from tourney file
10205 nPlayers = CountPlayers(appData.participants); // count participants
10206 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10207 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10210 p = q = appData.results;
10211 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10212 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10213 DisplayMessage(_("Waiting for other game(s)"),"");
10214 waitingForGame = TRUE;
10215 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10218 waitingForGame = FALSE;
10221 if(appData.tourneyType < 0) {
10222 if(nr>=0 && !pairingReceived) {
10224 if(pairing.pr == NoProc) {
10225 if(!appData.pairingEngine[0]) {
10226 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10229 StartChessProgram(&pairing); // starts the pairing engine
10231 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10232 SendToProgram(buf, &pairing);
10233 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10234 SendToProgram(buf, &pairing);
10235 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10237 pairingReceived = 0; // ... so we continue here
10239 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10240 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10241 matchGame = 1; roundNr = nr / syncInterval + 1;
10244 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10246 // redefine engines, engine dir, etc.
10247 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10248 if(first.pr == NoProc) {
10249 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10250 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10252 if(second.pr == NoProc) {
10254 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10255 SwapEngines(1); // and make that valid for second engine by swapping
10256 InitEngine(&second, 1);
10258 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10259 UpdateLogos(FALSE); // leave display to ModeHiglight()
10265 { // performs game initialization that does not invoke engines, and then tries to start the game
10266 int res, firstWhite, swapColors = 0;
10267 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10268 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
10270 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10271 if(strcmp(buf, currentDebugFile)) { // name has changed
10272 FILE *f = fopen(buf, "w");
10273 if(f) { // if opening the new file failed, just keep using the old one
10274 ASSIGN(currentDebugFile, buf);
10278 if(appData.serverFileName) {
10279 if(serverFP) fclose(serverFP);
10280 serverFP = fopen(appData.serverFileName, "w");
10281 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10282 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10286 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10287 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10288 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10289 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10290 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10291 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10292 Reset(FALSE, first.pr != NoProc);
10293 res = LoadGameOrPosition(matchGame); // setup game
10294 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10295 if(!res) return; // abort when bad game/pos file
10296 TwoMachinesEvent();
10300 UserAdjudicationEvent (int result)
10302 ChessMove gameResult = GameIsDrawn;
10305 gameResult = WhiteWins;
10307 else if( result < 0 ) {
10308 gameResult = BlackWins;
10311 if( gameMode == TwoMachinesPlay ) {
10312 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10317 // [HGM] save: calculate checksum of game to make games easily identifiable
10319 StringCheckSum (char *s)
10322 if(s==NULL) return 0;
10323 while(*s) i = i*259 + *s++;
10331 for(i=backwardMostMove; i<forwardMostMove; i++) {
10332 sum += pvInfoList[i].depth;
10333 sum += StringCheckSum(parseList[i]);
10334 sum += StringCheckSum(commentList[i]);
10337 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10338 return sum + StringCheckSum(commentList[i]);
10339 } // end of save patch
10342 GameEnds (ChessMove result, char *resultDetails, int whosays)
10344 GameMode nextGameMode;
10346 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10348 if(endingGame) return; /* [HGM] crash: forbid recursion */
10350 if(twoBoards) { // [HGM] dual: switch back to one board
10351 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10352 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10354 if (appData.debugMode) {
10355 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10356 result, resultDetails ? resultDetails : "(null)", whosays);
10359 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10361 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10362 /* If we are playing on ICS, the server decides when the
10363 game is over, but the engine can offer to draw, claim
10367 if (appData.zippyPlay && first.initDone) {
10368 if (result == GameIsDrawn) {
10369 /* In case draw still needs to be claimed */
10370 SendToICS(ics_prefix);
10371 SendToICS("draw\n");
10372 } else if (StrCaseStr(resultDetails, "resign")) {
10373 SendToICS(ics_prefix);
10374 SendToICS("resign\n");
10378 endingGame = 0; /* [HGM] crash */
10382 /* If we're loading the game from a file, stop */
10383 if (whosays == GE_FILE) {
10384 (void) StopLoadGameTimer();
10388 /* Cancel draw offers */
10389 first.offeredDraw = second.offeredDraw = 0;
10391 /* If this is an ICS game, only ICS can really say it's done;
10392 if not, anyone can. */
10393 isIcsGame = (gameMode == IcsPlayingWhite ||
10394 gameMode == IcsPlayingBlack ||
10395 gameMode == IcsObserving ||
10396 gameMode == IcsExamining);
10398 if (!isIcsGame || whosays == GE_ICS) {
10399 /* OK -- not an ICS game, or ICS said it was done */
10401 if (!isIcsGame && !appData.noChessProgram)
10402 SetUserThinkingEnables();
10404 /* [HGM] if a machine claims the game end we verify this claim */
10405 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10406 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10408 ChessMove trueResult = (ChessMove) -1;
10410 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10411 first.twoMachinesColor[0] :
10412 second.twoMachinesColor[0] ;
10414 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10415 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10416 /* [HGM] verify: engine mate claims accepted if they were flagged */
10417 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10419 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10420 /* [HGM] verify: engine mate claims accepted if they were flagged */
10421 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10423 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10424 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10427 // now verify win claims, but not in drop games, as we don't understand those yet
10428 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10429 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10430 (result == WhiteWins && claimer == 'w' ||
10431 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10432 if (appData.debugMode) {
10433 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10434 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10436 if(result != trueResult) {
10437 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10438 result = claimer == 'w' ? BlackWins : WhiteWins;
10439 resultDetails = buf;
10442 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10443 && (forwardMostMove <= backwardMostMove ||
10444 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10445 (claimer=='b')==(forwardMostMove&1))
10447 /* [HGM] verify: draws that were not flagged are false claims */
10448 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10449 result = claimer == 'w' ? BlackWins : WhiteWins;
10450 resultDetails = buf;
10452 /* (Claiming a loss is accepted no questions asked!) */
10454 /* [HGM] bare: don't allow bare King to win */
10455 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10456 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10457 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10458 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10459 && result != GameIsDrawn)
10460 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10461 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10462 int p = (signed char)boards[forwardMostMove][i][j] - color;
10463 if(p >= 0 && p <= (int)WhiteKing) k++;
10465 if (appData.debugMode) {
10466 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10467 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10470 result = GameIsDrawn;
10471 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10472 resultDetails = buf;
10478 if(serverMoves != NULL && !loadFlag) { char c = '=';
10479 if(result==WhiteWins) c = '+';
10480 if(result==BlackWins) c = '-';
10481 if(resultDetails != NULL)
10482 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10484 if (resultDetails != NULL) {
10485 gameInfo.result = result;
10486 gameInfo.resultDetails = StrSave(resultDetails);
10488 /* display last move only if game was not loaded from file */
10489 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10490 DisplayMove(currentMove - 1);
10492 if (forwardMostMove != 0) {
10493 if (gameMode != PlayFromGameFile && gameMode != EditGame
10494 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10496 if (*appData.saveGameFile != NULLCHAR) {
10497 SaveGameToFile(appData.saveGameFile, TRUE);
10498 } else if (appData.autoSaveGames) {
10501 if (*appData.savePositionFile != NULLCHAR) {
10502 SavePositionToFile(appData.savePositionFile);
10507 /* Tell program how game ended in case it is learning */
10508 /* [HGM] Moved this to after saving the PGN, just in case */
10509 /* engine died and we got here through time loss. In that */
10510 /* case we will get a fatal error writing the pipe, which */
10511 /* would otherwise lose us the PGN. */
10512 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10513 /* output during GameEnds should never be fatal anymore */
10514 if (gameMode == MachinePlaysWhite ||
10515 gameMode == MachinePlaysBlack ||
10516 gameMode == TwoMachinesPlay ||
10517 gameMode == IcsPlayingWhite ||
10518 gameMode == IcsPlayingBlack ||
10519 gameMode == BeginningOfGame) {
10521 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10523 if (first.pr != NoProc) {
10524 SendToProgram(buf, &first);
10526 if (second.pr != NoProc &&
10527 gameMode == TwoMachinesPlay) {
10528 SendToProgram(buf, &second);
10533 if (appData.icsActive) {
10534 if (appData.quietPlay &&
10535 (gameMode == IcsPlayingWhite ||
10536 gameMode == IcsPlayingBlack)) {
10537 SendToICS(ics_prefix);
10538 SendToICS("set shout 1\n");
10540 nextGameMode = IcsIdle;
10541 ics_user_moved = FALSE;
10542 /* clean up premove. It's ugly when the game has ended and the
10543 * premove highlights are still on the board.
10546 gotPremove = FALSE;
10547 ClearPremoveHighlights();
10548 DrawPosition(FALSE, boards[currentMove]);
10550 if (whosays == GE_ICS) {
10553 if (gameMode == IcsPlayingWhite)
10555 else if(gameMode == IcsPlayingBlack)
10556 PlayIcsLossSound();
10559 if (gameMode == IcsPlayingBlack)
10561 else if(gameMode == IcsPlayingWhite)
10562 PlayIcsLossSound();
10565 PlayIcsDrawSound();
10568 PlayIcsUnfinishedSound();
10571 } else if (gameMode == EditGame ||
10572 gameMode == PlayFromGameFile ||
10573 gameMode == AnalyzeMode ||
10574 gameMode == AnalyzeFile) {
10575 nextGameMode = gameMode;
10577 nextGameMode = EndOfGame;
10582 nextGameMode = gameMode;
10585 if (appData.noChessProgram) {
10586 gameMode = nextGameMode;
10588 endingGame = 0; /* [HGM] crash */
10593 /* Put first chess program into idle state */
10594 if (first.pr != NoProc &&
10595 (gameMode == MachinePlaysWhite ||
10596 gameMode == MachinePlaysBlack ||
10597 gameMode == TwoMachinesPlay ||
10598 gameMode == IcsPlayingWhite ||
10599 gameMode == IcsPlayingBlack ||
10600 gameMode == BeginningOfGame)) {
10601 SendToProgram("force\n", &first);
10602 if (first.usePing) {
10604 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10605 SendToProgram(buf, &first);
10608 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10609 /* Kill off first chess program */
10610 if (first.isr != NULL)
10611 RemoveInputSource(first.isr);
10614 if (first.pr != NoProc) {
10616 DoSleep( appData.delayBeforeQuit );
10617 SendToProgram("quit\n", &first);
10618 DoSleep( appData.delayAfterQuit );
10619 DestroyChildProcess(first.pr, first.useSigterm);
10623 if (second.reuse) {
10624 /* Put second chess program into idle state */
10625 if (second.pr != NoProc &&
10626 gameMode == TwoMachinesPlay) {
10627 SendToProgram("force\n", &second);
10628 if (second.usePing) {
10630 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10631 SendToProgram(buf, &second);
10634 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10635 /* Kill off second chess program */
10636 if (second.isr != NULL)
10637 RemoveInputSource(second.isr);
10640 if (second.pr != NoProc) {
10641 DoSleep( appData.delayBeforeQuit );
10642 SendToProgram("quit\n", &second);
10643 DoSleep( appData.delayAfterQuit );
10644 DestroyChildProcess(second.pr, second.useSigterm);
10646 second.pr = NoProc;
10649 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10650 char resChar = '=';
10654 if (first.twoMachinesColor[0] == 'w') {
10657 second.matchWins++;
10662 if (first.twoMachinesColor[0] == 'b') {
10665 second.matchWins++;
10668 case GameUnfinished:
10674 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10675 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10676 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10677 ReserveGame(nextGame, resChar); // sets nextGame
10678 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10679 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10680 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10682 if (nextGame <= appData.matchGames && !abortMatch) {
10683 gameMode = nextGameMode;
10684 matchGame = nextGame; // this will be overruled in tourney mode!
10685 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10686 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10687 endingGame = 0; /* [HGM] crash */
10690 gameMode = nextGameMode;
10691 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10692 first.tidy, second.tidy,
10693 first.matchWins, second.matchWins,
10694 appData.matchGames - (first.matchWins + second.matchWins));
10695 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10696 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10697 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10698 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10699 first.twoMachinesColor = "black\n";
10700 second.twoMachinesColor = "white\n";
10702 first.twoMachinesColor = "white\n";
10703 second.twoMachinesColor = "black\n";
10707 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10708 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10710 gameMode = nextGameMode;
10712 endingGame = 0; /* [HGM] crash */
10713 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10714 if(matchMode == TRUE) { // match through command line: exit with or without popup
10716 ToNrEvent(forwardMostMove);
10717 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10719 } else DisplayFatalError(buf, 0, 0);
10720 } else { // match through menu; just stop, with or without popup
10721 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10724 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10725 } else DisplayNote(buf);
10727 if(ranking) free(ranking);
10731 /* Assumes program was just initialized (initString sent).
10732 Leaves program in force mode. */
10734 FeedMovesToProgram (ChessProgramState *cps, int upto)
10738 if (appData.debugMode)
10739 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10740 startedFromSetupPosition ? "position and " : "",
10741 backwardMostMove, upto, cps->which);
10742 if(currentlyInitializedVariant != gameInfo.variant) {
10744 // [HGM] variantswitch: make engine aware of new variant
10745 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10746 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10747 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10748 SendToProgram(buf, cps);
10749 currentlyInitializedVariant = gameInfo.variant;
10751 SendToProgram("force\n", cps);
10752 if (startedFromSetupPosition) {
10753 SendBoard(cps, backwardMostMove);
10754 if (appData.debugMode) {
10755 fprintf(debugFP, "feedMoves\n");
10758 for (i = backwardMostMove; i < upto; i++) {
10759 SendMoveToProgram(i, cps);
10765 ResurrectChessProgram ()
10767 /* The chess program may have exited.
10768 If so, restart it and feed it all the moves made so far. */
10769 static int doInit = 0;
10771 if (appData.noChessProgram) return 1;
10773 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10774 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10775 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10776 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10778 if (first.pr != NoProc) return 1;
10779 StartChessProgram(&first);
10781 InitChessProgram(&first, FALSE);
10782 FeedMovesToProgram(&first, currentMove);
10784 if (!first.sendTime) {
10785 /* can't tell gnuchess what its clock should read,
10786 so we bow to its notion. */
10788 timeRemaining[0][currentMove] = whiteTimeRemaining;
10789 timeRemaining[1][currentMove] = blackTimeRemaining;
10792 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10793 appData.icsEngineAnalyze) && first.analysisSupport) {
10794 SendToProgram("analyze\n", &first);
10795 first.analyzing = TRUE;
10801 * Button procedures
10804 Reset (int redraw, int init)
10808 if (appData.debugMode) {
10809 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10810 redraw, init, gameMode);
10812 CleanupTail(); // [HGM] vari: delete any stored variations
10813 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10814 pausing = pauseExamInvalid = FALSE;
10815 startedFromSetupPosition = blackPlaysFirst = FALSE;
10817 whiteFlag = blackFlag = FALSE;
10818 userOfferedDraw = FALSE;
10819 hintRequested = bookRequested = FALSE;
10820 first.maybeThinking = FALSE;
10821 second.maybeThinking = FALSE;
10822 first.bookSuspend = FALSE; // [HGM] book
10823 second.bookSuspend = FALSE;
10824 thinkOutput[0] = NULLCHAR;
10825 lastHint[0] = NULLCHAR;
10826 ClearGameInfo(&gameInfo);
10827 gameInfo.variant = StringToVariant(appData.variant);
10828 ics_user_moved = ics_clock_paused = FALSE;
10829 ics_getting_history = H_FALSE;
10831 white_holding[0] = black_holding[0] = NULLCHAR;
10832 ClearProgramStats();
10833 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10837 flipView = appData.flipView;
10838 ClearPremoveHighlights();
10839 gotPremove = FALSE;
10840 alarmSounded = FALSE;
10842 GameEnds(EndOfFile, NULL, GE_PLAYER);
10843 if(appData.serverMovesName != NULL) {
10844 /* [HGM] prepare to make moves file for broadcasting */
10845 clock_t t = clock();
10846 if(serverMoves != NULL) fclose(serverMoves);
10847 serverMoves = fopen(appData.serverMovesName, "r");
10848 if(serverMoves != NULL) {
10849 fclose(serverMoves);
10850 /* delay 15 sec before overwriting, so all clients can see end */
10851 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10853 serverMoves = fopen(appData.serverMovesName, "w");
10857 gameMode = BeginningOfGame;
10859 if(appData.icsActive) gameInfo.variant = VariantNormal;
10860 currentMove = forwardMostMove = backwardMostMove = 0;
10861 MarkTargetSquares(1);
10862 InitPosition(redraw);
10863 for (i = 0; i < MAX_MOVES; i++) {
10864 if (commentList[i] != NULL) {
10865 free(commentList[i]);
10866 commentList[i] = NULL;
10870 timeRemaining[0][0] = whiteTimeRemaining;
10871 timeRemaining[1][0] = blackTimeRemaining;
10873 if (first.pr == NoProc) {
10874 StartChessProgram(&first);
10877 InitChessProgram(&first, startedFromSetupPosition);
10880 DisplayMessage("", "");
10881 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10882 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10883 ClearMap(); // [HGM] exclude: invalidate map
10887 AutoPlayGameLoop ()
10890 if (!AutoPlayOneMove())
10892 if (matchMode || appData.timeDelay == 0)
10894 if (appData.timeDelay < 0)
10896 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10905 int fromX, fromY, toX, toY;
10907 if (appData.debugMode) {
10908 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10911 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10914 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10915 pvInfoList[currentMove].depth = programStats.depth;
10916 pvInfoList[currentMove].score = programStats.score;
10917 pvInfoList[currentMove].time = 0;
10918 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10921 if (currentMove >= forwardMostMove) {
10922 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10923 // gameMode = EndOfGame;
10924 // ModeHighlight();
10926 /* [AS] Clear current move marker at the end of a game */
10927 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10932 toX = moveList[currentMove][2] - AAA;
10933 toY = moveList[currentMove][3] - ONE;
10935 if (moveList[currentMove][1] == '@') {
10936 if (appData.highlightLastMove) {
10937 SetHighlights(-1, -1, toX, toY);
10940 fromX = moveList[currentMove][0] - AAA;
10941 fromY = moveList[currentMove][1] - ONE;
10943 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10945 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10947 if (appData.highlightLastMove) {
10948 SetHighlights(fromX, fromY, toX, toY);
10951 DisplayMove(currentMove);
10952 SendMoveToProgram(currentMove++, &first);
10953 DisplayBothClocks();
10954 DrawPosition(FALSE, boards[currentMove]);
10955 // [HGM] PV info: always display, routine tests if empty
10956 DisplayComment(currentMove - 1, commentList[currentMove]);
10962 LoadGameOneMove (ChessMove readAhead)
10964 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10965 char promoChar = NULLCHAR;
10966 ChessMove moveType;
10967 char move[MSG_SIZ];
10970 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10971 gameMode != AnalyzeMode && gameMode != Training) {
10976 yyboardindex = forwardMostMove;
10977 if (readAhead != EndOfFile) {
10978 moveType = readAhead;
10980 if (gameFileFP == NULL)
10982 moveType = (ChessMove) Myylex();
10986 switch (moveType) {
10988 if (appData.debugMode)
10989 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10992 /* append the comment but don't display it */
10993 AppendComment(currentMove, p, FALSE);
10996 case WhiteCapturesEnPassant:
10997 case BlackCapturesEnPassant:
10998 case WhitePromotion:
10999 case BlackPromotion:
11000 case WhiteNonPromotion:
11001 case BlackNonPromotion:
11003 case WhiteKingSideCastle:
11004 case WhiteQueenSideCastle:
11005 case BlackKingSideCastle:
11006 case BlackQueenSideCastle:
11007 case WhiteKingSideCastleWild:
11008 case WhiteQueenSideCastleWild:
11009 case BlackKingSideCastleWild:
11010 case BlackQueenSideCastleWild:
11012 case WhiteHSideCastleFR:
11013 case WhiteASideCastleFR:
11014 case BlackHSideCastleFR:
11015 case BlackASideCastleFR:
11017 if (appData.debugMode)
11018 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11019 fromX = currentMoveString[0] - AAA;
11020 fromY = currentMoveString[1] - ONE;
11021 toX = currentMoveString[2] - AAA;
11022 toY = currentMoveString[3] - ONE;
11023 promoChar = currentMoveString[4];
11028 if (appData.debugMode)
11029 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11030 fromX = moveType == WhiteDrop ?
11031 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11032 (int) CharToPiece(ToLower(currentMoveString[0]));
11034 toX = currentMoveString[2] - AAA;
11035 toY = currentMoveString[3] - ONE;
11041 case GameUnfinished:
11042 if (appData.debugMode)
11043 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11044 p = strchr(yy_text, '{');
11045 if (p == NULL) p = strchr(yy_text, '(');
11048 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11050 q = strchr(p, *p == '{' ? '}' : ')');
11051 if (q != NULL) *q = NULLCHAR;
11054 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11055 GameEnds(moveType, p, GE_FILE);
11057 if (cmailMsgLoaded) {
11059 flipView = WhiteOnMove(currentMove);
11060 if (moveType == GameUnfinished) flipView = !flipView;
11061 if (appData.debugMode)
11062 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11067 if (appData.debugMode)
11068 fprintf(debugFP, "Parser hit end of file\n");
11069 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11075 if (WhiteOnMove(currentMove)) {
11076 GameEnds(BlackWins, "Black mates", GE_FILE);
11078 GameEnds(WhiteWins, "White mates", GE_FILE);
11082 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11088 case MoveNumberOne:
11089 if (lastLoadGameStart == GNUChessGame) {
11090 /* GNUChessGames have numbers, but they aren't move numbers */
11091 if (appData.debugMode)
11092 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11093 yy_text, (int) moveType);
11094 return LoadGameOneMove(EndOfFile); /* tail recursion */
11096 /* else fall thru */
11101 /* Reached start of next game in file */
11102 if (appData.debugMode)
11103 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11104 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11110 if (WhiteOnMove(currentMove)) {
11111 GameEnds(BlackWins, "Black mates", GE_FILE);
11113 GameEnds(WhiteWins, "White mates", GE_FILE);
11117 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11123 case PositionDiagram: /* should not happen; ignore */
11124 case ElapsedTime: /* ignore */
11125 case NAG: /* ignore */
11126 if (appData.debugMode)
11127 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11128 yy_text, (int) moveType);
11129 return LoadGameOneMove(EndOfFile); /* tail recursion */
11132 if (appData.testLegality) {
11133 if (appData.debugMode)
11134 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11135 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11136 (forwardMostMove / 2) + 1,
11137 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11138 DisplayError(move, 0);
11141 if (appData.debugMode)
11142 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11143 yy_text, currentMoveString);
11144 fromX = currentMoveString[0] - AAA;
11145 fromY = currentMoveString[1] - ONE;
11146 toX = currentMoveString[2] - AAA;
11147 toY = currentMoveString[3] - ONE;
11148 promoChar = currentMoveString[4];
11152 case AmbiguousMove:
11153 if (appData.debugMode)
11154 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11155 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11156 (forwardMostMove / 2) + 1,
11157 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11158 DisplayError(move, 0);
11163 case ImpossibleMove:
11164 if (appData.debugMode)
11165 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11166 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11167 (forwardMostMove / 2) + 1,
11168 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11169 DisplayError(move, 0);
11175 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11176 DrawPosition(FALSE, boards[currentMove]);
11177 DisplayBothClocks();
11178 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11179 DisplayComment(currentMove - 1, commentList[currentMove]);
11181 (void) StopLoadGameTimer();
11183 cmailOldMove = forwardMostMove;
11186 /* currentMoveString is set as a side-effect of yylex */
11188 thinkOutput[0] = NULLCHAR;
11189 MakeMove(fromX, fromY, toX, toY, promoChar);
11190 currentMove = forwardMostMove;
11195 /* Load the nth game from the given file */
11197 LoadGameFromFile (char *filename, int n, char *title, int useList)
11202 if (strcmp(filename, "-") == 0) {
11206 f = fopen(filename, "rb");
11208 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11209 DisplayError(buf, errno);
11213 if (fseek(f, 0, 0) == -1) {
11214 /* f is not seekable; probably a pipe */
11217 if (useList && n == 0) {
11218 int error = GameListBuild(f);
11220 DisplayError(_("Cannot build game list"), error);
11221 } else if (!ListEmpty(&gameList) &&
11222 ((ListGame *) gameList.tailPred)->number > 1) {
11223 GameListPopUp(f, title);
11230 return LoadGame(f, n, title, FALSE);
11235 MakeRegisteredMove ()
11237 int fromX, fromY, toX, toY;
11239 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11240 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11243 if (appData.debugMode)
11244 fprintf(debugFP, "Restoring %s for game %d\n",
11245 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11247 thinkOutput[0] = NULLCHAR;
11248 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11249 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11250 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11251 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11252 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11253 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11254 MakeMove(fromX, fromY, toX, toY, promoChar);
11255 ShowMove(fromX, fromY, toX, toY);
11257 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11264 if (WhiteOnMove(currentMove)) {
11265 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11267 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11272 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11279 if (WhiteOnMove(currentMove)) {
11280 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11282 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11287 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11298 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11300 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11304 if (gameNumber > nCmailGames) {
11305 DisplayError(_("No more games in this message"), 0);
11308 if (f == lastLoadGameFP) {
11309 int offset = gameNumber - lastLoadGameNumber;
11311 cmailMsg[0] = NULLCHAR;
11312 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11313 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11314 nCmailMovesRegistered--;
11316 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11317 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11318 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11321 if (! RegisterMove()) return FALSE;
11325 retVal = LoadGame(f, gameNumber, title, useList);
11327 /* Make move registered during previous look at this game, if any */
11328 MakeRegisteredMove();
11330 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11331 commentList[currentMove]
11332 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11333 DisplayComment(currentMove - 1, commentList[currentMove]);
11339 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11341 ReloadGame (int offset)
11343 int gameNumber = lastLoadGameNumber + offset;
11344 if (lastLoadGameFP == NULL) {
11345 DisplayError(_("No game has been loaded yet"), 0);
11348 if (gameNumber <= 0) {
11349 DisplayError(_("Can't back up any further"), 0);
11352 if (cmailMsgLoaded) {
11353 return CmailLoadGame(lastLoadGameFP, gameNumber,
11354 lastLoadGameTitle, lastLoadGameUseList);
11356 return LoadGame(lastLoadGameFP, gameNumber,
11357 lastLoadGameTitle, lastLoadGameUseList);
11361 int keys[EmptySquare+1];
11364 PositionMatches (Board b1, Board b2)
11367 switch(appData.searchMode) {
11368 case 1: return CompareWithRights(b1, b2);
11370 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11371 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11375 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11376 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11377 sum += keys[b1[r][f]] - keys[b2[r][f]];
11381 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11382 sum += keys[b1[r][f]] - keys[b2[r][f]];
11394 int pieceList[256], quickBoard[256];
11395 ChessSquare pieceType[256] = { EmptySquare };
11396 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11397 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11398 int soughtTotal, turn;
11399 Boolean epOK, flipSearch;
11402 unsigned char piece, to;
11405 #define DSIZE (250000)
11407 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11408 Move *moveDatabase = initialSpace;
11409 unsigned int movePtr, dataSize = DSIZE;
11412 MakePieceList (Board board, int *counts)
11414 int r, f, n=Q_PROMO, total=0;
11415 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11416 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11417 int sq = f + (r<<4);
11418 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11419 quickBoard[sq] = ++n;
11421 pieceType[n] = board[r][f];
11422 counts[board[r][f]]++;
11423 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11424 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11428 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11433 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11435 int sq = fromX + (fromY<<4);
11436 int piece = quickBoard[sq];
11437 quickBoard[sq] = 0;
11438 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11439 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11440 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11441 moveDatabase[movePtr++].piece = Q_WCASTL;
11442 quickBoard[sq] = piece;
11443 piece = quickBoard[from]; quickBoard[from] = 0;
11444 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11446 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11447 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11448 moveDatabase[movePtr++].piece = Q_BCASTL;
11449 quickBoard[sq] = piece;
11450 piece = quickBoard[from]; quickBoard[from] = 0;
11451 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11453 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11454 quickBoard[(fromY<<4)+toX] = 0;
11455 moveDatabase[movePtr].piece = Q_EP;
11456 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11457 moveDatabase[movePtr].to = sq;
11459 if(promoPiece != pieceType[piece]) {
11460 moveDatabase[movePtr++].piece = Q_PROMO;
11461 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11463 moveDatabase[movePtr].piece = piece;
11464 quickBoard[sq] = piece;
11469 PackGame (Board board)
11471 Move *newSpace = NULL;
11472 moveDatabase[movePtr].piece = 0; // terminate previous game
11473 if(movePtr > dataSize) {
11474 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11475 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11476 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11479 Move *p = moveDatabase, *q = newSpace;
11480 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11481 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11482 moveDatabase = newSpace;
11483 } else { // calloc failed, we must be out of memory. Too bad...
11484 dataSize = 0; // prevent calloc events for all subsequent games
11485 return 0; // and signal this one isn't cached
11489 MakePieceList(board, counts);
11494 QuickCompare (Board board, int *minCounts, int *maxCounts)
11495 { // compare according to search mode
11497 switch(appData.searchMode)
11499 case 1: // exact position match
11500 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11501 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11502 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11505 case 2: // can have extra material on empty squares
11506 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11507 if(board[r][f] == EmptySquare) continue;
11508 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11511 case 3: // material with exact Pawn structure
11512 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11513 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11514 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11515 } // fall through to material comparison
11516 case 4: // exact material
11517 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11519 case 6: // material range with given imbalance
11520 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11521 // fall through to range comparison
11522 case 5: // material range
11523 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11529 QuickScan (Board board, Move *move)
11530 { // reconstruct game,and compare all positions in it
11531 int cnt=0, stretch=0, total = MakePieceList(board, counts), delayedKing = -1;
11533 int piece = move->piece;
11534 int to = move->to, from = pieceList[piece];
11535 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11536 if(!piece) return -1;
11537 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11538 piece = (++move)->piece;
11539 from = pieceList[piece];
11540 counts[pieceType[piece]]--;
11541 pieceType[piece] = (ChessSquare) move->to;
11542 counts[move->to]++;
11543 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11544 counts[pieceType[quickBoard[to]]]--;
11545 quickBoard[to] = 0; total--;
11548 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11550 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11551 from = pieceList[piece]; // so this must be King
11552 quickBoard[from] = 0;
11553 pieceList[piece] = to;
11554 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11555 quickBoard[from] = 0; // rook
11556 quickBoard[to] = piece;
11557 to = move->to; piece = move->piece;
11561 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11562 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11563 quickBoard[from] = 0;
11565 quickBoard[to] = piece;
11566 pieceList[piece] = to;
11568 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11569 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11570 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11571 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11573 static int lastCounts[EmptySquare+1];
11575 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11576 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11577 } else stretch = 0;
11578 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11579 move++; delayedKing = -1;
11587 flipSearch = FALSE;
11588 CopyBoard(soughtBoard, boards[currentMove]);
11589 soughtTotal = MakePieceList(soughtBoard, maxSought);
11590 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11591 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11592 CopyBoard(reverseBoard, boards[currentMove]);
11593 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11594 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11595 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11596 reverseBoard[r][f] = piece;
11598 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11599 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11600 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11601 || (boards[currentMove][CASTLING][2] == NoRights ||
11602 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11603 && (boards[currentMove][CASTLING][5] == NoRights ||
11604 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11607 CopyBoard(flipBoard, soughtBoard);
11608 CopyBoard(rotateBoard, reverseBoard);
11609 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11610 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11611 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11614 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11615 if(appData.searchMode >= 5) {
11616 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11617 MakePieceList(soughtBoard, minSought);
11618 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11620 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11621 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11624 GameInfo dummyInfo;
11627 GameContainsPosition (FILE *f, ListGame *lg)
11629 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11630 int fromX, fromY, toX, toY;
11632 static int initDone=FALSE;
11634 // weed out games based on numerical tag comparison
11635 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11636 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11637 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11638 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11640 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11643 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11644 else CopyBoard(boards[scratch], initialPosition); // default start position
11647 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11648 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11651 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11652 fseek(f, lg->offset, 0);
11655 yyboardindex = scratch;
11656 quickFlag = plyNr+1;
11661 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11667 if(plyNr) return -1; // after we have seen moves, this is for new game
11670 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11671 case ImpossibleMove:
11672 case WhiteWins: // game ends here with these four
11675 case GameUnfinished:
11679 if(appData.testLegality) return -1;
11680 case WhiteCapturesEnPassant:
11681 case BlackCapturesEnPassant:
11682 case WhitePromotion:
11683 case BlackPromotion:
11684 case WhiteNonPromotion:
11685 case BlackNonPromotion:
11687 case WhiteKingSideCastle:
11688 case WhiteQueenSideCastle:
11689 case BlackKingSideCastle:
11690 case BlackQueenSideCastle:
11691 case WhiteKingSideCastleWild:
11692 case WhiteQueenSideCastleWild:
11693 case BlackKingSideCastleWild:
11694 case BlackQueenSideCastleWild:
11695 case WhiteHSideCastleFR:
11696 case WhiteASideCastleFR:
11697 case BlackHSideCastleFR:
11698 case BlackASideCastleFR:
11699 fromX = currentMoveString[0] - AAA;
11700 fromY = currentMoveString[1] - ONE;
11701 toX = currentMoveString[2] - AAA;
11702 toY = currentMoveString[3] - ONE;
11703 promoChar = currentMoveString[4];
11707 fromX = next == WhiteDrop ?
11708 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11709 (int) CharToPiece(ToLower(currentMoveString[0]));
11711 toX = currentMoveString[2] - AAA;
11712 toY = currentMoveString[3] - ONE;
11716 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11718 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11719 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11720 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11721 if(appData.findMirror) {
11722 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11723 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11728 /* Load the nth game from open file f */
11730 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11734 int gn = gameNumber;
11735 ListGame *lg = NULL;
11736 int numPGNTags = 0;
11738 GameMode oldGameMode;
11739 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11741 if (appData.debugMode)
11742 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11744 if (gameMode == Training )
11745 SetTrainingModeOff();
11747 oldGameMode = gameMode;
11748 if (gameMode != BeginningOfGame) {
11749 Reset(FALSE, TRUE);
11753 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11754 fclose(lastLoadGameFP);
11758 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11761 fseek(f, lg->offset, 0);
11762 GameListHighlight(gameNumber);
11763 pos = lg->position;
11767 DisplayError(_("Game number out of range"), 0);
11772 if (fseek(f, 0, 0) == -1) {
11773 if (f == lastLoadGameFP ?
11774 gameNumber == lastLoadGameNumber + 1 :
11778 DisplayError(_("Can't seek on game file"), 0);
11783 lastLoadGameFP = f;
11784 lastLoadGameNumber = gameNumber;
11785 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11786 lastLoadGameUseList = useList;
11790 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11791 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11792 lg->gameInfo.black);
11794 } else if (*title != NULLCHAR) {
11795 if (gameNumber > 1) {
11796 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11799 DisplayTitle(title);
11803 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11804 gameMode = PlayFromGameFile;
11808 currentMove = forwardMostMove = backwardMostMove = 0;
11809 CopyBoard(boards[0], initialPosition);
11813 * Skip the first gn-1 games in the file.
11814 * Also skip over anything that precedes an identifiable
11815 * start of game marker, to avoid being confused by
11816 * garbage at the start of the file. Currently
11817 * recognized start of game markers are the move number "1",
11818 * the pattern "gnuchess .* game", the pattern
11819 * "^[#;%] [^ ]* game file", and a PGN tag block.
11820 * A game that starts with one of the latter two patterns
11821 * will also have a move number 1, possibly
11822 * following a position diagram.
11823 * 5-4-02: Let's try being more lenient and allowing a game to
11824 * start with an unnumbered move. Does that break anything?
11826 cm = lastLoadGameStart = EndOfFile;
11828 yyboardindex = forwardMostMove;
11829 cm = (ChessMove) Myylex();
11832 if (cmailMsgLoaded) {
11833 nCmailGames = CMAIL_MAX_GAMES - gn;
11836 DisplayError(_("Game not found in file"), 0);
11843 lastLoadGameStart = cm;
11846 case MoveNumberOne:
11847 switch (lastLoadGameStart) {
11852 case MoveNumberOne:
11854 gn--; /* count this game */
11855 lastLoadGameStart = cm;
11864 switch (lastLoadGameStart) {
11867 case MoveNumberOne:
11869 gn--; /* count this game */
11870 lastLoadGameStart = cm;
11873 lastLoadGameStart = cm; /* game counted already */
11881 yyboardindex = forwardMostMove;
11882 cm = (ChessMove) Myylex();
11883 } while (cm == PGNTag || cm == Comment);
11890 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11891 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11892 != CMAIL_OLD_RESULT) {
11894 cmailResult[ CMAIL_MAX_GAMES
11895 - gn - 1] = CMAIL_OLD_RESULT;
11901 /* Only a NormalMove can be at the start of a game
11902 * without a position diagram. */
11903 if (lastLoadGameStart == EndOfFile ) {
11905 lastLoadGameStart = MoveNumberOne;
11914 if (appData.debugMode)
11915 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11917 if (cm == XBoardGame) {
11918 /* Skip any header junk before position diagram and/or move 1 */
11920 yyboardindex = forwardMostMove;
11921 cm = (ChessMove) Myylex();
11923 if (cm == EndOfFile ||
11924 cm == GNUChessGame || cm == XBoardGame) {
11925 /* Empty game; pretend end-of-file and handle later */
11930 if (cm == MoveNumberOne || cm == PositionDiagram ||
11931 cm == PGNTag || cm == Comment)
11934 } else if (cm == GNUChessGame) {
11935 if (gameInfo.event != NULL) {
11936 free(gameInfo.event);
11938 gameInfo.event = StrSave(yy_text);
11941 startedFromSetupPosition = FALSE;
11942 while (cm == PGNTag) {
11943 if (appData.debugMode)
11944 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11945 err = ParsePGNTag(yy_text, &gameInfo);
11946 if (!err) numPGNTags++;
11948 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11949 if(gameInfo.variant != oldVariant) {
11950 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11951 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11952 InitPosition(TRUE);
11953 oldVariant = gameInfo.variant;
11954 if (appData.debugMode)
11955 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11959 if (gameInfo.fen != NULL) {
11960 Board initial_position;
11961 startedFromSetupPosition = TRUE;
11962 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11964 DisplayError(_("Bad FEN position in file"), 0);
11967 CopyBoard(boards[0], initial_position);
11968 if (blackPlaysFirst) {
11969 currentMove = forwardMostMove = backwardMostMove = 1;
11970 CopyBoard(boards[1], initial_position);
11971 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11972 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11973 timeRemaining[0][1] = whiteTimeRemaining;
11974 timeRemaining[1][1] = blackTimeRemaining;
11975 if (commentList[0] != NULL) {
11976 commentList[1] = commentList[0];
11977 commentList[0] = NULL;
11980 currentMove = forwardMostMove = backwardMostMove = 0;
11982 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11984 initialRulePlies = FENrulePlies;
11985 for( i=0; i< nrCastlingRights; i++ )
11986 initialRights[i] = initial_position[CASTLING][i];
11988 yyboardindex = forwardMostMove;
11989 free(gameInfo.fen);
11990 gameInfo.fen = NULL;
11993 yyboardindex = forwardMostMove;
11994 cm = (ChessMove) Myylex();
11996 /* Handle comments interspersed among the tags */
11997 while (cm == Comment) {
11999 if (appData.debugMode)
12000 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12002 AppendComment(currentMove, p, FALSE);
12003 yyboardindex = forwardMostMove;
12004 cm = (ChessMove) Myylex();
12008 /* don't rely on existence of Event tag since if game was
12009 * pasted from clipboard the Event tag may not exist
12011 if (numPGNTags > 0){
12013 if (gameInfo.variant == VariantNormal) {
12014 VariantClass v = StringToVariant(gameInfo.event);
12015 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12016 if(v < VariantShogi) gameInfo.variant = v;
12019 if( appData.autoDisplayTags ) {
12020 tags = PGNTags(&gameInfo);
12021 TagsPopUp(tags, CmailMsg());
12026 /* Make something up, but don't display it now */
12031 if (cm == PositionDiagram) {
12034 Board initial_position;
12036 if (appData.debugMode)
12037 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12039 if (!startedFromSetupPosition) {
12041 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12042 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12053 initial_position[i][j++] = CharToPiece(*p);
12056 while (*p == ' ' || *p == '\t' ||
12057 *p == '\n' || *p == '\r') p++;
12059 if (strncmp(p, "black", strlen("black"))==0)
12060 blackPlaysFirst = TRUE;
12062 blackPlaysFirst = FALSE;
12063 startedFromSetupPosition = TRUE;
12065 CopyBoard(boards[0], initial_position);
12066 if (blackPlaysFirst) {
12067 currentMove = forwardMostMove = backwardMostMove = 1;
12068 CopyBoard(boards[1], initial_position);
12069 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12070 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12071 timeRemaining[0][1] = whiteTimeRemaining;
12072 timeRemaining[1][1] = blackTimeRemaining;
12073 if (commentList[0] != NULL) {
12074 commentList[1] = commentList[0];
12075 commentList[0] = NULL;
12078 currentMove = forwardMostMove = backwardMostMove = 0;
12081 yyboardindex = forwardMostMove;
12082 cm = (ChessMove) Myylex();
12085 if (first.pr == NoProc) {
12086 StartChessProgram(&first);
12088 InitChessProgram(&first, FALSE);
12089 SendToProgram("force\n", &first);
12090 if (startedFromSetupPosition) {
12091 SendBoard(&first, forwardMostMove);
12092 if (appData.debugMode) {
12093 fprintf(debugFP, "Load Game\n");
12095 DisplayBothClocks();
12098 /* [HGM] server: flag to write setup moves in broadcast file as one */
12099 loadFlag = appData.suppressLoadMoves;
12101 while (cm == Comment) {
12103 if (appData.debugMode)
12104 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12106 AppendComment(currentMove, p, FALSE);
12107 yyboardindex = forwardMostMove;
12108 cm = (ChessMove) Myylex();
12111 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12112 cm == WhiteWins || cm == BlackWins ||
12113 cm == GameIsDrawn || cm == GameUnfinished) {
12114 DisplayMessage("", _("No moves in game"));
12115 if (cmailMsgLoaded) {
12116 if (appData.debugMode)
12117 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12121 DrawPosition(FALSE, boards[currentMove]);
12122 DisplayBothClocks();
12123 gameMode = EditGame;
12130 // [HGM] PV info: routine tests if comment empty
12131 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12132 DisplayComment(currentMove - 1, commentList[currentMove]);
12134 if (!matchMode && appData.timeDelay != 0)
12135 DrawPosition(FALSE, boards[currentMove]);
12137 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12138 programStats.ok_to_send = 1;
12141 /* if the first token after the PGN tags is a move
12142 * and not move number 1, retrieve it from the parser
12144 if (cm != MoveNumberOne)
12145 LoadGameOneMove(cm);
12147 /* load the remaining moves from the file */
12148 while (LoadGameOneMove(EndOfFile)) {
12149 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12150 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12153 /* rewind to the start of the game */
12154 currentMove = backwardMostMove;
12156 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12158 if (oldGameMode == AnalyzeFile ||
12159 oldGameMode == AnalyzeMode) {
12160 AnalyzeFileEvent();
12163 if (!matchMode && pos > 0) {
12164 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12166 if (matchMode || appData.timeDelay == 0) {
12168 } else if (appData.timeDelay > 0) {
12169 AutoPlayGameLoop();
12172 if (appData.debugMode)
12173 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12175 loadFlag = 0; /* [HGM] true game starts */
12179 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12181 ReloadPosition (int offset)
12183 int positionNumber = lastLoadPositionNumber + offset;
12184 if (lastLoadPositionFP == NULL) {
12185 DisplayError(_("No position has been loaded yet"), 0);
12188 if (positionNumber <= 0) {
12189 DisplayError(_("Can't back up any further"), 0);
12192 return LoadPosition(lastLoadPositionFP, positionNumber,
12193 lastLoadPositionTitle);
12196 /* Load the nth position from the given file */
12198 LoadPositionFromFile (char *filename, int n, char *title)
12203 if (strcmp(filename, "-") == 0) {
12204 return LoadPosition(stdin, n, "stdin");
12206 f = fopen(filename, "rb");
12208 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12209 DisplayError(buf, errno);
12212 return LoadPosition(f, n, title);
12217 /* Load the nth position from the given open file, and close it */
12219 LoadPosition (FILE *f, int positionNumber, char *title)
12221 char *p, line[MSG_SIZ];
12222 Board initial_position;
12223 int i, j, fenMode, pn;
12225 if (gameMode == Training )
12226 SetTrainingModeOff();
12228 if (gameMode != BeginningOfGame) {
12229 Reset(FALSE, TRUE);
12231 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12232 fclose(lastLoadPositionFP);
12234 if (positionNumber == 0) positionNumber = 1;
12235 lastLoadPositionFP = f;
12236 lastLoadPositionNumber = positionNumber;
12237 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12238 if (first.pr == NoProc && !appData.noChessProgram) {
12239 StartChessProgram(&first);
12240 InitChessProgram(&first, FALSE);
12242 pn = positionNumber;
12243 if (positionNumber < 0) {
12244 /* Negative position number means to seek to that byte offset */
12245 if (fseek(f, -positionNumber, 0) == -1) {
12246 DisplayError(_("Can't seek on position file"), 0);
12251 if (fseek(f, 0, 0) == -1) {
12252 if (f == lastLoadPositionFP ?
12253 positionNumber == lastLoadPositionNumber + 1 :
12254 positionNumber == 1) {
12257 DisplayError(_("Can't seek on position file"), 0);
12262 /* See if this file is FEN or old-style xboard */
12263 if (fgets(line, MSG_SIZ, f) == NULL) {
12264 DisplayError(_("Position not found in file"), 0);
12267 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12268 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12271 if (fenMode || line[0] == '#') pn--;
12273 /* skip positions before number pn */
12274 if (fgets(line, MSG_SIZ, f) == NULL) {
12276 DisplayError(_("Position not found in file"), 0);
12279 if (fenMode || line[0] == '#') pn--;
12284 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12285 DisplayError(_("Bad FEN position in file"), 0);
12289 (void) fgets(line, MSG_SIZ, f);
12290 (void) fgets(line, MSG_SIZ, f);
12292 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12293 (void) fgets(line, MSG_SIZ, f);
12294 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12297 initial_position[i][j++] = CharToPiece(*p);
12301 blackPlaysFirst = FALSE;
12303 (void) fgets(line, MSG_SIZ, f);
12304 if (strncmp(line, "black", strlen("black"))==0)
12305 blackPlaysFirst = TRUE;
12308 startedFromSetupPosition = TRUE;
12310 CopyBoard(boards[0], initial_position);
12311 if (blackPlaysFirst) {
12312 currentMove = forwardMostMove = backwardMostMove = 1;
12313 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12314 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12315 CopyBoard(boards[1], initial_position);
12316 DisplayMessage("", _("Black to play"));
12318 currentMove = forwardMostMove = backwardMostMove = 0;
12319 DisplayMessage("", _("White to play"));
12321 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12322 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12323 SendToProgram("force\n", &first);
12324 SendBoard(&first, forwardMostMove);
12326 if (appData.debugMode) {
12328 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12329 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12330 fprintf(debugFP, "Load Position\n");
12333 if (positionNumber > 1) {
12334 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12335 DisplayTitle(line);
12337 DisplayTitle(title);
12339 gameMode = EditGame;
12342 timeRemaining[0][1] = whiteTimeRemaining;
12343 timeRemaining[1][1] = blackTimeRemaining;
12344 DrawPosition(FALSE, boards[currentMove]);
12351 CopyPlayerNameIntoFileName (char **dest, char *src)
12353 while (*src != NULLCHAR && *src != ',') {
12358 *(*dest)++ = *src++;
12364 DefaultFileName (char *ext)
12366 static char def[MSG_SIZ];
12369 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12371 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12373 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12375 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12382 /* Save the current game to the given file */
12384 SaveGameToFile (char *filename, int append)
12388 int result, i, t,tot=0;
12390 if (strcmp(filename, "-") == 0) {
12391 return SaveGame(stdout, 0, NULL);
12393 for(i=0; i<10; i++) { // upto 10 tries
12394 f = fopen(filename, append ? "a" : "w");
12395 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12396 if(f || errno != 13) break;
12397 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12401 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12402 DisplayError(buf, errno);
12405 safeStrCpy(buf, lastMsg, MSG_SIZ);
12406 DisplayMessage(_("Waiting for access to save file"), "");
12407 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12408 DisplayMessage(_("Saving game"), "");
12409 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12410 result = SaveGame(f, 0, NULL);
12411 DisplayMessage(buf, "");
12418 SavePart (char *str)
12420 static char buf[MSG_SIZ];
12423 p = strchr(str, ' ');
12424 if (p == NULL) return str;
12425 strncpy(buf, str, p - str);
12426 buf[p - str] = NULLCHAR;
12430 #define PGN_MAX_LINE 75
12432 #define PGN_SIDE_WHITE 0
12433 #define PGN_SIDE_BLACK 1
12436 FindFirstMoveOutOfBook (int side)
12440 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12441 int index = backwardMostMove;
12442 int has_book_hit = 0;
12444 if( (index % 2) != side ) {
12448 while( index < forwardMostMove ) {
12449 /* Check to see if engine is in book */
12450 int depth = pvInfoList[index].depth;
12451 int score = pvInfoList[index].score;
12457 else if( score == 0 && depth == 63 ) {
12458 in_book = 1; /* Zappa */
12460 else if( score == 2 && depth == 99 ) {
12461 in_book = 1; /* Abrok */
12464 has_book_hit += in_book;
12480 GetOutOfBookInfo (char * buf)
12484 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12486 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12487 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12491 if( oob[0] >= 0 || oob[1] >= 0 ) {
12492 for( i=0; i<2; i++ ) {
12496 if( i > 0 && oob[0] >= 0 ) {
12497 strcat( buf, " " );
12500 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12501 sprintf( buf+strlen(buf), "%s%.2f",
12502 pvInfoList[idx].score >= 0 ? "+" : "",
12503 pvInfoList[idx].score / 100.0 );
12509 /* Save game in PGN style and close the file */
12511 SaveGamePGN (FILE *f)
12513 int i, offset, linelen, newblock;
12517 int movelen, numlen, blank;
12518 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12520 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12522 tm = time((time_t *) NULL);
12524 PrintPGNTags(f, &gameInfo);
12526 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12528 if (backwardMostMove > 0 || startedFromSetupPosition) {
12529 char *fen = PositionToFEN(backwardMostMove, NULL);
12530 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12531 fprintf(f, "\n{--------------\n");
12532 PrintPosition(f, backwardMostMove);
12533 fprintf(f, "--------------}\n");
12537 /* [AS] Out of book annotation */
12538 if( appData.saveOutOfBookInfo ) {
12541 GetOutOfBookInfo( buf );
12543 if( buf[0] != '\0' ) {
12544 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12551 i = backwardMostMove;
12555 while (i < forwardMostMove) {
12556 /* Print comments preceding this move */
12557 if (commentList[i] != NULL) {
12558 if (linelen > 0) fprintf(f, "\n");
12559 fprintf(f, "%s", commentList[i]);
12564 /* Format move number */
12566 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12569 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12571 numtext[0] = NULLCHAR;
12573 numlen = strlen(numtext);
12576 /* Print move number */
12577 blank = linelen > 0 && numlen > 0;
12578 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12587 fprintf(f, "%s", numtext);
12591 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12592 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12595 blank = linelen > 0 && movelen > 0;
12596 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12605 fprintf(f, "%s", move_buffer);
12606 linelen += movelen;
12608 /* [AS] Add PV info if present */
12609 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12610 /* [HGM] add time */
12611 char buf[MSG_SIZ]; int seconds;
12613 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12619 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12622 seconds = (seconds + 4)/10; // round to full seconds
12624 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12626 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12629 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12630 pvInfoList[i].score >= 0 ? "+" : "",
12631 pvInfoList[i].score / 100.0,
12632 pvInfoList[i].depth,
12635 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12637 /* Print score/depth */
12638 blank = linelen > 0 && movelen > 0;
12639 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12648 fprintf(f, "%s", move_buffer);
12649 linelen += movelen;
12655 /* Start a new line */
12656 if (linelen > 0) fprintf(f, "\n");
12658 /* Print comments after last move */
12659 if (commentList[i] != NULL) {
12660 fprintf(f, "%s\n", commentList[i]);
12664 if (gameInfo.resultDetails != NULL &&
12665 gameInfo.resultDetails[0] != NULLCHAR) {
12666 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12667 PGNResult(gameInfo.result));
12669 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12673 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12677 /* Save game in old style and close the file */
12679 SaveGameOldStyle (FILE *f)
12684 tm = time((time_t *) NULL);
12686 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12689 if (backwardMostMove > 0 || startedFromSetupPosition) {
12690 fprintf(f, "\n[--------------\n");
12691 PrintPosition(f, backwardMostMove);
12692 fprintf(f, "--------------]\n");
12697 i = backwardMostMove;
12698 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12700 while (i < forwardMostMove) {
12701 if (commentList[i] != NULL) {
12702 fprintf(f, "[%s]\n", commentList[i]);
12705 if ((i % 2) == 1) {
12706 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12709 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12711 if (commentList[i] != NULL) {
12715 if (i >= forwardMostMove) {
12719 fprintf(f, "%s\n", parseList[i]);
12724 if (commentList[i] != NULL) {
12725 fprintf(f, "[%s]\n", commentList[i]);
12728 /* This isn't really the old style, but it's close enough */
12729 if (gameInfo.resultDetails != NULL &&
12730 gameInfo.resultDetails[0] != NULLCHAR) {
12731 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12732 gameInfo.resultDetails);
12734 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12741 /* Save the current game to open file f and close the file */
12743 SaveGame (FILE *f, int dummy, char *dummy2)
12745 if (gameMode == EditPosition) EditPositionDone(TRUE);
12746 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12747 if (appData.oldSaveStyle)
12748 return SaveGameOldStyle(f);
12750 return SaveGamePGN(f);
12753 /* Save the current position to the given file */
12755 SavePositionToFile (char *filename)
12760 if (strcmp(filename, "-") == 0) {
12761 return SavePosition(stdout, 0, NULL);
12763 f = fopen(filename, "a");
12765 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12766 DisplayError(buf, errno);
12769 safeStrCpy(buf, lastMsg, MSG_SIZ);
12770 DisplayMessage(_("Waiting for access to save file"), "");
12771 flock(fileno(f), LOCK_EX); // [HGM] lock
12772 DisplayMessage(_("Saving position"), "");
12773 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12774 SavePosition(f, 0, NULL);
12775 DisplayMessage(buf, "");
12781 /* Save the current position to the given open file and close the file */
12783 SavePosition (FILE *f, int dummy, char *dummy2)
12788 if (gameMode == EditPosition) EditPositionDone(TRUE);
12789 if (appData.oldSaveStyle) {
12790 tm = time((time_t *) NULL);
12792 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12794 fprintf(f, "[--------------\n");
12795 PrintPosition(f, currentMove);
12796 fprintf(f, "--------------]\n");
12798 fen = PositionToFEN(currentMove, NULL);
12799 fprintf(f, "%s\n", fen);
12807 ReloadCmailMsgEvent (int unregister)
12810 static char *inFilename = NULL;
12811 static char *outFilename;
12813 struct stat inbuf, outbuf;
12816 /* Any registered moves are unregistered if unregister is set, */
12817 /* i.e. invoked by the signal handler */
12819 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12820 cmailMoveRegistered[i] = FALSE;
12821 if (cmailCommentList[i] != NULL) {
12822 free(cmailCommentList[i]);
12823 cmailCommentList[i] = NULL;
12826 nCmailMovesRegistered = 0;
12829 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12830 cmailResult[i] = CMAIL_NOT_RESULT;
12834 if (inFilename == NULL) {
12835 /* Because the filenames are static they only get malloced once */
12836 /* and they never get freed */
12837 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12838 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12840 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12841 sprintf(outFilename, "%s.out", appData.cmailGameName);
12844 status = stat(outFilename, &outbuf);
12846 cmailMailedMove = FALSE;
12848 status = stat(inFilename, &inbuf);
12849 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12852 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12853 counts the games, notes how each one terminated, etc.
12855 It would be nice to remove this kludge and instead gather all
12856 the information while building the game list. (And to keep it
12857 in the game list nodes instead of having a bunch of fixed-size
12858 parallel arrays.) Note this will require getting each game's
12859 termination from the PGN tags, as the game list builder does
12860 not process the game moves. --mann
12862 cmailMsgLoaded = TRUE;
12863 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12865 /* Load first game in the file or popup game menu */
12866 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12868 #endif /* !WIN32 */
12876 char string[MSG_SIZ];
12878 if ( cmailMailedMove
12879 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12880 return TRUE; /* Allow free viewing */
12883 /* Unregister move to ensure that we don't leave RegisterMove */
12884 /* with the move registered when the conditions for registering no */
12886 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12887 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12888 nCmailMovesRegistered --;
12890 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12892 free(cmailCommentList[lastLoadGameNumber - 1]);
12893 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12897 if (cmailOldMove == -1) {
12898 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12902 if (currentMove > cmailOldMove + 1) {
12903 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12907 if (currentMove < cmailOldMove) {
12908 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12912 if (forwardMostMove > currentMove) {
12913 /* Silently truncate extra moves */
12917 if ( (currentMove == cmailOldMove + 1)
12918 || ( (currentMove == cmailOldMove)
12919 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12920 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12921 if (gameInfo.result != GameUnfinished) {
12922 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12925 if (commentList[currentMove] != NULL) {
12926 cmailCommentList[lastLoadGameNumber - 1]
12927 = StrSave(commentList[currentMove]);
12929 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12931 if (appData.debugMode)
12932 fprintf(debugFP, "Saving %s for game %d\n",
12933 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12935 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12937 f = fopen(string, "w");
12938 if (appData.oldSaveStyle) {
12939 SaveGameOldStyle(f); /* also closes the file */
12941 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12942 f = fopen(string, "w");
12943 SavePosition(f, 0, NULL); /* also closes the file */
12945 fprintf(f, "{--------------\n");
12946 PrintPosition(f, currentMove);
12947 fprintf(f, "--------------}\n\n");
12949 SaveGame(f, 0, NULL); /* also closes the file*/
12952 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12953 nCmailMovesRegistered ++;
12954 } else if (nCmailGames == 1) {
12955 DisplayError(_("You have not made a move yet"), 0);
12966 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12967 FILE *commandOutput;
12968 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12969 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12975 if (! cmailMsgLoaded) {
12976 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12980 if (nCmailGames == nCmailResults) {
12981 DisplayError(_("No unfinished games"), 0);
12985 #if CMAIL_PROHIBIT_REMAIL
12986 if (cmailMailedMove) {
12987 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);
12988 DisplayError(msg, 0);
12993 if (! (cmailMailedMove || RegisterMove())) return;
12995 if ( cmailMailedMove
12996 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12997 snprintf(string, MSG_SIZ, partCommandString,
12998 appData.debugMode ? " -v" : "", appData.cmailGameName);
12999 commandOutput = popen(string, "r");
13001 if (commandOutput == NULL) {
13002 DisplayError(_("Failed to invoke cmail"), 0);
13004 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13005 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13007 if (nBuffers > 1) {
13008 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13009 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13010 nBytes = MSG_SIZ - 1;
13012 (void) memcpy(msg, buffer, nBytes);
13014 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13016 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13017 cmailMailedMove = TRUE; /* Prevent >1 moves */
13020 for (i = 0; i < nCmailGames; i ++) {
13021 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13026 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13028 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13030 appData.cmailGameName,
13032 LoadGameFromFile(buffer, 1, buffer, FALSE);
13033 cmailMsgLoaded = FALSE;
13037 DisplayInformation(msg);
13038 pclose(commandOutput);
13041 if ((*cmailMsg) != '\0') {
13042 DisplayInformation(cmailMsg);
13047 #endif /* !WIN32 */
13056 int prependComma = 0;
13058 char string[MSG_SIZ]; /* Space for game-list */
13061 if (!cmailMsgLoaded) return "";
13063 if (cmailMailedMove) {
13064 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13066 /* Create a list of games left */
13067 snprintf(string, MSG_SIZ, "[");
13068 for (i = 0; i < nCmailGames; i ++) {
13069 if (! ( cmailMoveRegistered[i]
13070 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13071 if (prependComma) {
13072 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13074 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13078 strcat(string, number);
13081 strcat(string, "]");
13083 if (nCmailMovesRegistered + nCmailResults == 0) {
13084 switch (nCmailGames) {
13086 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13090 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13094 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13099 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13101 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13106 if (nCmailResults == nCmailGames) {
13107 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13109 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13114 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13126 if (gameMode == Training)
13127 SetTrainingModeOff();
13130 cmailMsgLoaded = FALSE;
13131 if (appData.icsActive) {
13132 SendToICS(ics_prefix);
13133 SendToICS("refresh\n");
13138 ExitEvent (int status)
13142 /* Give up on clean exit */
13146 /* Keep trying for clean exit */
13150 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13152 if (telnetISR != NULL) {
13153 RemoveInputSource(telnetISR);
13155 if (icsPR != NoProc) {
13156 DestroyChildProcess(icsPR, TRUE);
13159 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13160 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13162 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13163 /* make sure this other one finishes before killing it! */
13164 if(endingGame) { int count = 0;
13165 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13166 while(endingGame && count++ < 10) DoSleep(1);
13167 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13170 /* Kill off chess programs */
13171 if (first.pr != NoProc) {
13174 DoSleep( appData.delayBeforeQuit );
13175 SendToProgram("quit\n", &first);
13176 DoSleep( appData.delayAfterQuit );
13177 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13179 if (second.pr != NoProc) {
13180 DoSleep( appData.delayBeforeQuit );
13181 SendToProgram("quit\n", &second);
13182 DoSleep( appData.delayAfterQuit );
13183 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13185 if (first.isr != NULL) {
13186 RemoveInputSource(first.isr);
13188 if (second.isr != NULL) {
13189 RemoveInputSource(second.isr);
13192 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13193 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13195 ShutDownFrontEnd();
13202 if (appData.debugMode)
13203 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13207 if (gameMode == MachinePlaysWhite ||
13208 gameMode == MachinePlaysBlack) {
13211 DisplayBothClocks();
13213 if (gameMode == PlayFromGameFile) {
13214 if (appData.timeDelay >= 0)
13215 AutoPlayGameLoop();
13216 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13217 Reset(FALSE, TRUE);
13218 SendToICS(ics_prefix);
13219 SendToICS("refresh\n");
13220 } else if (currentMove < forwardMostMove) {
13221 ForwardInner(forwardMostMove);
13223 pauseExamInvalid = FALSE;
13225 switch (gameMode) {
13229 pauseExamForwardMostMove = forwardMostMove;
13230 pauseExamInvalid = FALSE;
13233 case IcsPlayingWhite:
13234 case IcsPlayingBlack:
13238 case PlayFromGameFile:
13239 (void) StopLoadGameTimer();
13243 case BeginningOfGame:
13244 if (appData.icsActive) return;
13245 /* else fall through */
13246 case MachinePlaysWhite:
13247 case MachinePlaysBlack:
13248 case TwoMachinesPlay:
13249 if (forwardMostMove == 0)
13250 return; /* don't pause if no one has moved */
13251 if ((gameMode == MachinePlaysWhite &&
13252 !WhiteOnMove(forwardMostMove)) ||
13253 (gameMode == MachinePlaysBlack &&
13254 WhiteOnMove(forwardMostMove))) {
13265 EditCommentEvent ()
13267 char title[MSG_SIZ];
13269 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13270 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13272 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13273 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13274 parseList[currentMove - 1]);
13277 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13284 char *tags = PGNTags(&gameInfo);
13286 EditTagsPopUp(tags, NULL);
13291 AnalyzeModeEvent ()
13293 if (appData.noChessProgram || gameMode == AnalyzeMode)
13296 if (gameMode != AnalyzeFile) {
13297 if (!appData.icsEngineAnalyze) {
13299 if (gameMode != EditGame) return;
13301 ResurrectChessProgram();
13302 SendToProgram("analyze\n", &first);
13303 first.analyzing = TRUE;
13304 /*first.maybeThinking = TRUE;*/
13305 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13306 EngineOutputPopUp();
13308 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13313 StartAnalysisClock();
13314 GetTimeMark(&lastNodeCountTime);
13319 AnalyzeFileEvent ()
13321 if (appData.noChessProgram || gameMode == AnalyzeFile)
13324 if (gameMode != AnalyzeMode) {
13326 if (gameMode != EditGame) return;
13327 ResurrectChessProgram();
13328 SendToProgram("analyze\n", &first);
13329 first.analyzing = TRUE;
13330 /*first.maybeThinking = TRUE;*/
13331 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13332 EngineOutputPopUp();
13334 gameMode = AnalyzeFile;
13339 StartAnalysisClock();
13340 GetTimeMark(&lastNodeCountTime);
13342 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13346 MachineWhiteEvent ()
13349 char *bookHit = NULL;
13351 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13355 if (gameMode == PlayFromGameFile ||
13356 gameMode == TwoMachinesPlay ||
13357 gameMode == Training ||
13358 gameMode == AnalyzeMode ||
13359 gameMode == EndOfGame)
13362 if (gameMode == EditPosition)
13363 EditPositionDone(TRUE);
13365 if (!WhiteOnMove(currentMove)) {
13366 DisplayError(_("It is not White's turn"), 0);
13370 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13373 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13374 gameMode == AnalyzeFile)
13377 ResurrectChessProgram(); /* in case it isn't running */
13378 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13379 gameMode = MachinePlaysWhite;
13382 gameMode = MachinePlaysWhite;
13386 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13388 if (first.sendName) {
13389 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13390 SendToProgram(buf, &first);
13392 if (first.sendTime) {
13393 if (first.useColors) {
13394 SendToProgram("black\n", &first); /*gnu kludge*/
13396 SendTimeRemaining(&first, TRUE);
13398 if (first.useColors) {
13399 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13401 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13402 SetMachineThinkingEnables();
13403 first.maybeThinking = TRUE;
13407 if (appData.autoFlipView && !flipView) {
13408 flipView = !flipView;
13409 DrawPosition(FALSE, NULL);
13410 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13413 if(bookHit) { // [HGM] book: simulate book reply
13414 static char bookMove[MSG_SIZ]; // a bit generous?
13416 programStats.nodes = programStats.depth = programStats.time =
13417 programStats.score = programStats.got_only_move = 0;
13418 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13420 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13421 strcat(bookMove, bookHit);
13422 HandleMachineMove(bookMove, &first);
13427 MachineBlackEvent ()
13430 char *bookHit = NULL;
13432 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13436 if (gameMode == PlayFromGameFile ||
13437 gameMode == TwoMachinesPlay ||
13438 gameMode == Training ||
13439 gameMode == AnalyzeMode ||
13440 gameMode == EndOfGame)
13443 if (gameMode == EditPosition)
13444 EditPositionDone(TRUE);
13446 if (WhiteOnMove(currentMove)) {
13447 DisplayError(_("It is not Black's turn"), 0);
13451 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13454 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13455 gameMode == AnalyzeFile)
13458 ResurrectChessProgram(); /* in case it isn't running */
13459 gameMode = MachinePlaysBlack;
13463 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13465 if (first.sendName) {
13466 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13467 SendToProgram(buf, &first);
13469 if (first.sendTime) {
13470 if (first.useColors) {
13471 SendToProgram("white\n", &first); /*gnu kludge*/
13473 SendTimeRemaining(&first, FALSE);
13475 if (first.useColors) {
13476 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13478 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13479 SetMachineThinkingEnables();
13480 first.maybeThinking = TRUE;
13483 if (appData.autoFlipView && flipView) {
13484 flipView = !flipView;
13485 DrawPosition(FALSE, NULL);
13486 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13488 if(bookHit) { // [HGM] book: simulate book reply
13489 static char bookMove[MSG_SIZ]; // a bit generous?
13491 programStats.nodes = programStats.depth = programStats.time =
13492 programStats.score = programStats.got_only_move = 0;
13493 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13495 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13496 strcat(bookMove, bookHit);
13497 HandleMachineMove(bookMove, &first);
13503 DisplayTwoMachinesTitle ()
13506 if (appData.matchGames > 0) {
13507 if(appData.tourneyFile[0]) {
13508 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13509 gameInfo.white, _("vs."), gameInfo.black,
13510 nextGame+1, appData.matchGames+1,
13511 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13513 if (first.twoMachinesColor[0] == 'w') {
13514 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13515 gameInfo.white, _("vs."), gameInfo.black,
13516 first.matchWins, second.matchWins,
13517 matchGame - 1 - (first.matchWins + second.matchWins));
13519 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13520 gameInfo.white, _("vs."), gameInfo.black,
13521 second.matchWins, first.matchWins,
13522 matchGame - 1 - (first.matchWins + second.matchWins));
13525 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13531 SettingsMenuIfReady ()
13533 if (second.lastPing != second.lastPong) {
13534 DisplayMessage("", _("Waiting for second chess program"));
13535 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13539 DisplayMessage("", "");
13540 SettingsPopUp(&second);
13544 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13547 if (cps->pr == NoProc) {
13548 StartChessProgram(cps);
13549 if (cps->protocolVersion == 1) {
13552 /* kludge: allow timeout for initial "feature" command */
13554 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13555 DisplayMessage("", buf);
13556 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13564 TwoMachinesEvent P((void))
13568 ChessProgramState *onmove;
13569 char *bookHit = NULL;
13570 static int stalling = 0;
13574 if (appData.noChessProgram) return;
13576 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13577 DisplayError("second engine does not play this", 0);
13581 switch (gameMode) {
13582 case TwoMachinesPlay:
13584 case MachinePlaysWhite:
13585 case MachinePlaysBlack:
13586 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13587 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13591 case BeginningOfGame:
13592 case PlayFromGameFile:
13595 if (gameMode != EditGame) return;
13598 EditPositionDone(TRUE);
13609 // forwardMostMove = currentMove;
13610 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13612 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13614 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13615 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13616 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13620 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13621 SendToProgram("force\n", &second);
13623 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13626 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13627 if(appData.matchPause>10000 || appData.matchPause<10)
13628 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13629 wait = SubtractTimeMarks(&now, &pauseStart);
13630 if(wait < appData.matchPause) {
13631 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13634 // we are now committed to starting the game
13636 DisplayMessage("", "");
13637 if (startedFromSetupPosition) {
13638 SendBoard(&second, backwardMostMove);
13639 if (appData.debugMode) {
13640 fprintf(debugFP, "Two Machines\n");
13643 for (i = backwardMostMove; i < forwardMostMove; i++) {
13644 SendMoveToProgram(i, &second);
13647 gameMode = TwoMachinesPlay;
13649 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13651 DisplayTwoMachinesTitle();
13653 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13658 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13659 SendToProgram(first.computerString, &first);
13660 if (first.sendName) {
13661 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13662 SendToProgram(buf, &first);
13664 SendToProgram(second.computerString, &second);
13665 if (second.sendName) {
13666 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13667 SendToProgram(buf, &second);
13671 if (!first.sendTime || !second.sendTime) {
13672 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13673 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13675 if (onmove->sendTime) {
13676 if (onmove->useColors) {
13677 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13679 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13681 if (onmove->useColors) {
13682 SendToProgram(onmove->twoMachinesColor, onmove);
13684 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13685 // SendToProgram("go\n", onmove);
13686 onmove->maybeThinking = TRUE;
13687 SetMachineThinkingEnables();
13691 if(bookHit) { // [HGM] book: simulate book reply
13692 static char bookMove[MSG_SIZ]; // a bit generous?
13694 programStats.nodes = programStats.depth = programStats.time =
13695 programStats.score = programStats.got_only_move = 0;
13696 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13698 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13699 strcat(bookMove, bookHit);
13700 savedMessage = bookMove; // args for deferred call
13701 savedState = onmove;
13702 ScheduleDelayedEvent(DeferredBookMove, 1);
13709 if (gameMode == Training) {
13710 SetTrainingModeOff();
13711 gameMode = PlayFromGameFile;
13712 DisplayMessage("", _("Training mode off"));
13714 gameMode = Training;
13715 animateTraining = appData.animate;
13717 /* make sure we are not already at the end of the game */
13718 if (currentMove < forwardMostMove) {
13719 SetTrainingModeOn();
13720 DisplayMessage("", _("Training mode on"));
13722 gameMode = PlayFromGameFile;
13723 DisplayError(_("Already at end of game"), 0);
13732 if (!appData.icsActive) return;
13733 switch (gameMode) {
13734 case IcsPlayingWhite:
13735 case IcsPlayingBlack:
13738 case BeginningOfGame:
13746 EditPositionDone(TRUE);
13759 gameMode = IcsIdle;
13769 switch (gameMode) {
13771 SetTrainingModeOff();
13773 case MachinePlaysWhite:
13774 case MachinePlaysBlack:
13775 case BeginningOfGame:
13776 SendToProgram("force\n", &first);
13777 SetUserThinkingEnables();
13779 case PlayFromGameFile:
13780 (void) StopLoadGameTimer();
13781 if (gameFileFP != NULL) {
13786 EditPositionDone(TRUE);
13791 SendToProgram("force\n", &first);
13793 case TwoMachinesPlay:
13794 GameEnds(EndOfFile, NULL, GE_PLAYER);
13795 ResurrectChessProgram();
13796 SetUserThinkingEnables();
13799 ResurrectChessProgram();
13801 case IcsPlayingBlack:
13802 case IcsPlayingWhite:
13803 DisplayError(_("Warning: You are still playing a game"), 0);
13806 DisplayError(_("Warning: You are still observing a game"), 0);
13809 DisplayError(_("Warning: You are still examining a game"), 0);
13820 first.offeredDraw = second.offeredDraw = 0;
13822 if (gameMode == PlayFromGameFile) {
13823 whiteTimeRemaining = timeRemaining[0][currentMove];
13824 blackTimeRemaining = timeRemaining[1][currentMove];
13828 if (gameMode == MachinePlaysWhite ||
13829 gameMode == MachinePlaysBlack ||
13830 gameMode == TwoMachinesPlay ||
13831 gameMode == EndOfGame) {
13832 i = forwardMostMove;
13833 while (i > currentMove) {
13834 SendToProgram("undo\n", &first);
13837 if(!adjustedClock) {
13838 whiteTimeRemaining = timeRemaining[0][currentMove];
13839 blackTimeRemaining = timeRemaining[1][currentMove];
13840 DisplayBothClocks();
13842 if (whiteFlag || blackFlag) {
13843 whiteFlag = blackFlag = 0;
13848 gameMode = EditGame;
13855 EditPositionEvent ()
13857 if (gameMode == EditPosition) {
13863 if (gameMode != EditGame) return;
13865 gameMode = EditPosition;
13868 if (currentMove > 0)
13869 CopyBoard(boards[0], boards[currentMove]);
13871 blackPlaysFirst = !WhiteOnMove(currentMove);
13873 currentMove = forwardMostMove = backwardMostMove = 0;
13874 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13876 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13882 /* [DM] icsEngineAnalyze - possible call from other functions */
13883 if (appData.icsEngineAnalyze) {
13884 appData.icsEngineAnalyze = FALSE;
13886 DisplayMessage("",_("Close ICS engine analyze..."));
13888 if (first.analysisSupport && first.analyzing) {
13889 SendToProgram("exit\n", &first);
13890 first.analyzing = FALSE;
13892 thinkOutput[0] = NULLCHAR;
13896 EditPositionDone (Boolean fakeRights)
13898 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13900 startedFromSetupPosition = TRUE;
13901 InitChessProgram(&first, FALSE);
13902 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13903 boards[0][EP_STATUS] = EP_NONE;
13904 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13905 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13906 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13907 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13908 } else boards[0][CASTLING][2] = NoRights;
13909 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13910 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13911 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13912 } else boards[0][CASTLING][5] = NoRights;
13914 SendToProgram("force\n", &first);
13915 if (blackPlaysFirst) {
13916 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13917 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13918 currentMove = forwardMostMove = backwardMostMove = 1;
13919 CopyBoard(boards[1], boards[0]);
13921 currentMove = forwardMostMove = backwardMostMove = 0;
13923 SendBoard(&first, forwardMostMove);
13924 if (appData.debugMode) {
13925 fprintf(debugFP, "EditPosDone\n");
13928 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13929 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13930 gameMode = EditGame;
13932 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13933 ClearHighlights(); /* [AS] */
13936 /* Pause for `ms' milliseconds */
13937 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13939 TimeDelay (long ms)
13946 } while (SubtractTimeMarks(&m2, &m1) < ms);
13949 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13951 SendMultiLineToICS (char *buf)
13953 char temp[MSG_SIZ+1], *p;
13960 strncpy(temp, buf, len);
13965 if (*p == '\n' || *p == '\r')
13970 strcat(temp, "\n");
13972 SendToPlayer(temp, strlen(temp));
13976 SetWhiteToPlayEvent ()
13978 if (gameMode == EditPosition) {
13979 blackPlaysFirst = FALSE;
13980 DisplayBothClocks(); /* works because currentMove is 0 */
13981 } else if (gameMode == IcsExamining) {
13982 SendToICS(ics_prefix);
13983 SendToICS("tomove white\n");
13988 SetBlackToPlayEvent ()
13990 if (gameMode == EditPosition) {
13991 blackPlaysFirst = TRUE;
13992 currentMove = 1; /* kludge */
13993 DisplayBothClocks();
13995 } else if (gameMode == IcsExamining) {
13996 SendToICS(ics_prefix);
13997 SendToICS("tomove black\n");
14002 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14005 ChessSquare piece = boards[0][y][x];
14007 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14009 switch (selection) {
14011 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14012 SendToICS(ics_prefix);
14013 SendToICS("bsetup clear\n");
14014 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14015 SendToICS(ics_prefix);
14016 SendToICS("clearboard\n");
14018 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14019 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14020 for (y = 0; y < BOARD_HEIGHT; y++) {
14021 if (gameMode == IcsExamining) {
14022 if (boards[currentMove][y][x] != EmptySquare) {
14023 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14028 boards[0][y][x] = p;
14033 if (gameMode == EditPosition) {
14034 DrawPosition(FALSE, boards[0]);
14039 SetWhiteToPlayEvent();
14043 SetBlackToPlayEvent();
14047 if (gameMode == IcsExamining) {
14048 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14049 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14052 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14053 if(x == BOARD_LEFT-2) {
14054 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14055 boards[0][y][1] = 0;
14057 if(x == BOARD_RGHT+1) {
14058 if(y >= gameInfo.holdingsSize) break;
14059 boards[0][y][BOARD_WIDTH-2] = 0;
14062 boards[0][y][x] = EmptySquare;
14063 DrawPosition(FALSE, boards[0]);
14068 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14069 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14070 selection = (ChessSquare) (PROMOTED piece);
14071 } else if(piece == EmptySquare) selection = WhiteSilver;
14072 else selection = (ChessSquare)((int)piece - 1);
14076 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14077 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14078 selection = (ChessSquare) (DEMOTED piece);
14079 } else if(piece == EmptySquare) selection = BlackSilver;
14080 else selection = (ChessSquare)((int)piece + 1);
14085 if(gameInfo.variant == VariantShatranj ||
14086 gameInfo.variant == VariantXiangqi ||
14087 gameInfo.variant == VariantCourier ||
14088 gameInfo.variant == VariantMakruk )
14089 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14094 if(gameInfo.variant == VariantXiangqi)
14095 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14096 if(gameInfo.variant == VariantKnightmate)
14097 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14100 if (gameMode == IcsExamining) {
14101 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14102 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14103 PieceToChar(selection), AAA + x, ONE + y);
14106 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14108 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14109 n = PieceToNumber(selection - BlackPawn);
14110 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14111 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14112 boards[0][BOARD_HEIGHT-1-n][1]++;
14114 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14115 n = PieceToNumber(selection);
14116 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14117 boards[0][n][BOARD_WIDTH-1] = selection;
14118 boards[0][n][BOARD_WIDTH-2]++;
14121 boards[0][y][x] = selection;
14122 DrawPosition(TRUE, boards[0]);
14124 fromX = fromY = -1;
14132 DropMenuEvent (ChessSquare selection, int x, int y)
14134 ChessMove moveType;
14136 switch (gameMode) {
14137 case IcsPlayingWhite:
14138 case MachinePlaysBlack:
14139 if (!WhiteOnMove(currentMove)) {
14140 DisplayMoveError(_("It is Black's turn"));
14143 moveType = WhiteDrop;
14145 case IcsPlayingBlack:
14146 case MachinePlaysWhite:
14147 if (WhiteOnMove(currentMove)) {
14148 DisplayMoveError(_("It is White's turn"));
14151 moveType = BlackDrop;
14154 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14160 if (moveType == BlackDrop && selection < BlackPawn) {
14161 selection = (ChessSquare) ((int) selection
14162 + (int) BlackPawn - (int) WhitePawn);
14164 if (boards[currentMove][y][x] != EmptySquare) {
14165 DisplayMoveError(_("That square is occupied"));
14169 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14175 /* Accept a pending offer of any kind from opponent */
14177 if (appData.icsActive) {
14178 SendToICS(ics_prefix);
14179 SendToICS("accept\n");
14180 } else if (cmailMsgLoaded) {
14181 if (currentMove == cmailOldMove &&
14182 commentList[cmailOldMove] != NULL &&
14183 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14184 "Black offers a draw" : "White offers a draw")) {
14186 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14187 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14189 DisplayError(_("There is no pending offer on this move"), 0);
14190 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14193 /* Not used for offers from chess program */
14200 /* Decline a pending offer of any kind from opponent */
14202 if (appData.icsActive) {
14203 SendToICS(ics_prefix);
14204 SendToICS("decline\n");
14205 } else if (cmailMsgLoaded) {
14206 if (currentMove == cmailOldMove &&
14207 commentList[cmailOldMove] != NULL &&
14208 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14209 "Black offers a draw" : "White offers a draw")) {
14211 AppendComment(cmailOldMove, "Draw declined", TRUE);
14212 DisplayComment(cmailOldMove - 1, "Draw declined");
14215 DisplayError(_("There is no pending offer on this move"), 0);
14218 /* Not used for offers from chess program */
14225 /* Issue ICS rematch command */
14226 if (appData.icsActive) {
14227 SendToICS(ics_prefix);
14228 SendToICS("rematch\n");
14235 /* Call your opponent's flag (claim a win on time) */
14236 if (appData.icsActive) {
14237 SendToICS(ics_prefix);
14238 SendToICS("flag\n");
14240 switch (gameMode) {
14243 case MachinePlaysWhite:
14246 GameEnds(GameIsDrawn, "Both players ran out of time",
14249 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14251 DisplayError(_("Your opponent is not out of time"), 0);
14254 case MachinePlaysBlack:
14257 GameEnds(GameIsDrawn, "Both players ran out of time",
14260 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14262 DisplayError(_("Your opponent is not out of time"), 0);
14270 ClockClick (int which)
14271 { // [HGM] code moved to back-end from winboard.c
14272 if(which) { // black clock
14273 if (gameMode == EditPosition || gameMode == IcsExamining) {
14274 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14275 SetBlackToPlayEvent();
14276 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14277 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14278 } else if (shiftKey) {
14279 AdjustClock(which, -1);
14280 } else if (gameMode == IcsPlayingWhite ||
14281 gameMode == MachinePlaysBlack) {
14284 } else { // white clock
14285 if (gameMode == EditPosition || gameMode == IcsExamining) {
14286 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14287 SetWhiteToPlayEvent();
14288 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14289 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14290 } else if (shiftKey) {
14291 AdjustClock(which, -1);
14292 } else if (gameMode == IcsPlayingBlack ||
14293 gameMode == MachinePlaysWhite) {
14302 /* Offer draw or accept pending draw offer from opponent */
14304 if (appData.icsActive) {
14305 /* Note: tournament rules require draw offers to be
14306 made after you make your move but before you punch
14307 your clock. Currently ICS doesn't let you do that;
14308 instead, you immediately punch your clock after making
14309 a move, but you can offer a draw at any time. */
14311 SendToICS(ics_prefix);
14312 SendToICS("draw\n");
14313 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14314 } else if (cmailMsgLoaded) {
14315 if (currentMove == cmailOldMove &&
14316 commentList[cmailOldMove] != NULL &&
14317 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14318 "Black offers a draw" : "White offers a draw")) {
14319 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14320 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14321 } else if (currentMove == cmailOldMove + 1) {
14322 char *offer = WhiteOnMove(cmailOldMove) ?
14323 "White offers a draw" : "Black offers a draw";
14324 AppendComment(currentMove, offer, TRUE);
14325 DisplayComment(currentMove - 1, offer);
14326 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14328 DisplayError(_("You must make your move before offering a draw"), 0);
14329 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14331 } else if (first.offeredDraw) {
14332 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14334 if (first.sendDrawOffers) {
14335 SendToProgram("draw\n", &first);
14336 userOfferedDraw = TRUE;
14344 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14346 if (appData.icsActive) {
14347 SendToICS(ics_prefix);
14348 SendToICS("adjourn\n");
14350 /* Currently GNU Chess doesn't offer or accept Adjourns */
14358 /* Offer Abort or accept pending Abort offer from opponent */
14360 if (appData.icsActive) {
14361 SendToICS(ics_prefix);
14362 SendToICS("abort\n");
14364 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14371 /* Resign. You can do this even if it's not your turn. */
14373 if (appData.icsActive) {
14374 SendToICS(ics_prefix);
14375 SendToICS("resign\n");
14377 switch (gameMode) {
14378 case MachinePlaysWhite:
14379 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14381 case MachinePlaysBlack:
14382 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14385 if (cmailMsgLoaded) {
14387 if (WhiteOnMove(cmailOldMove)) {
14388 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14390 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14392 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14403 StopObservingEvent ()
14405 /* Stop observing current games */
14406 SendToICS(ics_prefix);
14407 SendToICS("unobserve\n");
14411 StopExaminingEvent ()
14413 /* Stop observing current game */
14414 SendToICS(ics_prefix);
14415 SendToICS("unexamine\n");
14419 ForwardInner (int target)
14421 int limit; int oldSeekGraphUp = seekGraphUp;
14423 if (appData.debugMode)
14424 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14425 target, currentMove, forwardMostMove);
14427 if (gameMode == EditPosition)
14430 seekGraphUp = FALSE;
14431 MarkTargetSquares(1);
14433 if (gameMode == PlayFromGameFile && !pausing)
14436 if (gameMode == IcsExamining && pausing)
14437 limit = pauseExamForwardMostMove;
14439 limit = forwardMostMove;
14441 if (target > limit) target = limit;
14443 if (target > 0 && moveList[target - 1][0]) {
14444 int fromX, fromY, toX, toY;
14445 toX = moveList[target - 1][2] - AAA;
14446 toY = moveList[target - 1][3] - ONE;
14447 if (moveList[target - 1][1] == '@') {
14448 if (appData.highlightLastMove) {
14449 SetHighlights(-1, -1, toX, toY);
14452 fromX = moveList[target - 1][0] - AAA;
14453 fromY = moveList[target - 1][1] - ONE;
14454 if (target == currentMove + 1) {
14455 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14457 if (appData.highlightLastMove) {
14458 SetHighlights(fromX, fromY, toX, toY);
14462 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14463 gameMode == Training || gameMode == PlayFromGameFile ||
14464 gameMode == AnalyzeFile) {
14465 while (currentMove < target) {
14466 SendMoveToProgram(currentMove++, &first);
14469 currentMove = target;
14472 if (gameMode == EditGame || gameMode == EndOfGame) {
14473 whiteTimeRemaining = timeRemaining[0][currentMove];
14474 blackTimeRemaining = timeRemaining[1][currentMove];
14476 DisplayBothClocks();
14477 DisplayMove(currentMove - 1);
14478 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14479 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14480 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14481 DisplayComment(currentMove - 1, commentList[currentMove]);
14483 ClearMap(); // [HGM] exclude: invalidate map
14490 if (gameMode == IcsExamining && !pausing) {
14491 SendToICS(ics_prefix);
14492 SendToICS("forward\n");
14494 ForwardInner(currentMove + 1);
14501 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14502 /* to optimze, we temporarily turn off analysis mode while we feed
14503 * the remaining moves to the engine. Otherwise we get analysis output
14506 if (first.analysisSupport) {
14507 SendToProgram("exit\nforce\n", &first);
14508 first.analyzing = FALSE;
14512 if (gameMode == IcsExamining && !pausing) {
14513 SendToICS(ics_prefix);
14514 SendToICS("forward 999999\n");
14516 ForwardInner(forwardMostMove);
14519 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14520 /* we have fed all the moves, so reactivate analysis mode */
14521 SendToProgram("analyze\n", &first);
14522 first.analyzing = TRUE;
14523 /*first.maybeThinking = TRUE;*/
14524 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14529 BackwardInner (int target)
14531 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14533 if (appData.debugMode)
14534 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14535 target, currentMove, forwardMostMove);
14537 if (gameMode == EditPosition) return;
14538 seekGraphUp = FALSE;
14539 MarkTargetSquares(1);
14540 if (currentMove <= backwardMostMove) {
14542 DrawPosition(full_redraw, boards[currentMove]);
14545 if (gameMode == PlayFromGameFile && !pausing)
14548 if (moveList[target][0]) {
14549 int fromX, fromY, toX, toY;
14550 toX = moveList[target][2] - AAA;
14551 toY = moveList[target][3] - ONE;
14552 if (moveList[target][1] == '@') {
14553 if (appData.highlightLastMove) {
14554 SetHighlights(-1, -1, toX, toY);
14557 fromX = moveList[target][0] - AAA;
14558 fromY = moveList[target][1] - ONE;
14559 if (target == currentMove - 1) {
14560 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14562 if (appData.highlightLastMove) {
14563 SetHighlights(fromX, fromY, toX, toY);
14567 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14568 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14569 while (currentMove > target) {
14570 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14571 // null move cannot be undone. Reload program with move history before it.
14573 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14574 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14576 SendBoard(&first, i);
14577 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14580 SendToProgram("undo\n", &first);
14584 currentMove = target;
14587 if (gameMode == EditGame || gameMode == EndOfGame) {
14588 whiteTimeRemaining = timeRemaining[0][currentMove];
14589 blackTimeRemaining = timeRemaining[1][currentMove];
14591 DisplayBothClocks();
14592 DisplayMove(currentMove - 1);
14593 DrawPosition(full_redraw, boards[currentMove]);
14594 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14595 // [HGM] PV info: routine tests if comment empty
14596 DisplayComment(currentMove - 1, commentList[currentMove]);
14597 ClearMap(); // [HGM] exclude: invalidate map
14603 if (gameMode == IcsExamining && !pausing) {
14604 SendToICS(ics_prefix);
14605 SendToICS("backward\n");
14607 BackwardInner(currentMove - 1);
14614 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14615 /* to optimize, we temporarily turn off analysis mode while we undo
14616 * all the moves. Otherwise we get analysis output after each undo.
14618 if (first.analysisSupport) {
14619 SendToProgram("exit\nforce\n", &first);
14620 first.analyzing = FALSE;
14624 if (gameMode == IcsExamining && !pausing) {
14625 SendToICS(ics_prefix);
14626 SendToICS("backward 999999\n");
14628 BackwardInner(backwardMostMove);
14631 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14632 /* we have fed all the moves, so reactivate analysis mode */
14633 SendToProgram("analyze\n", &first);
14634 first.analyzing = TRUE;
14635 /*first.maybeThinking = TRUE;*/
14636 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14643 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14644 if (to >= forwardMostMove) to = forwardMostMove;
14645 if (to <= backwardMostMove) to = backwardMostMove;
14646 if (to < currentMove) {
14654 RevertEvent (Boolean annotate)
14656 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14659 if (gameMode != IcsExamining) {
14660 DisplayError(_("You are not examining a game"), 0);
14664 DisplayError(_("You can't revert while pausing"), 0);
14667 SendToICS(ics_prefix);
14668 SendToICS("revert\n");
14672 RetractMoveEvent ()
14674 switch (gameMode) {
14675 case MachinePlaysWhite:
14676 case MachinePlaysBlack:
14677 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14678 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14681 if (forwardMostMove < 2) return;
14682 currentMove = forwardMostMove = forwardMostMove - 2;
14683 whiteTimeRemaining = timeRemaining[0][currentMove];
14684 blackTimeRemaining = timeRemaining[1][currentMove];
14685 DisplayBothClocks();
14686 DisplayMove(currentMove - 1);
14687 ClearHighlights();/*!! could figure this out*/
14688 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14689 SendToProgram("remove\n", &first);
14690 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14693 case BeginningOfGame:
14697 case IcsPlayingWhite:
14698 case IcsPlayingBlack:
14699 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14700 SendToICS(ics_prefix);
14701 SendToICS("takeback 2\n");
14703 SendToICS(ics_prefix);
14704 SendToICS("takeback 1\n");
14713 ChessProgramState *cps;
14715 switch (gameMode) {
14716 case MachinePlaysWhite:
14717 if (!WhiteOnMove(forwardMostMove)) {
14718 DisplayError(_("It is your turn"), 0);
14723 case MachinePlaysBlack:
14724 if (WhiteOnMove(forwardMostMove)) {
14725 DisplayError(_("It is your turn"), 0);
14730 case TwoMachinesPlay:
14731 if (WhiteOnMove(forwardMostMove) ==
14732 (first.twoMachinesColor[0] == 'w')) {
14738 case BeginningOfGame:
14742 SendToProgram("?\n", cps);
14746 TruncateGameEvent ()
14749 if (gameMode != EditGame) return;
14756 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14757 if (forwardMostMove > currentMove) {
14758 if (gameInfo.resultDetails != NULL) {
14759 free(gameInfo.resultDetails);
14760 gameInfo.resultDetails = NULL;
14761 gameInfo.result = GameUnfinished;
14763 forwardMostMove = currentMove;
14764 HistorySet(parseList, backwardMostMove, forwardMostMove,
14772 if (appData.noChessProgram) return;
14773 switch (gameMode) {
14774 case MachinePlaysWhite:
14775 if (WhiteOnMove(forwardMostMove)) {
14776 DisplayError(_("Wait until your turn"), 0);
14780 case BeginningOfGame:
14781 case MachinePlaysBlack:
14782 if (!WhiteOnMove(forwardMostMove)) {
14783 DisplayError(_("Wait until your turn"), 0);
14788 DisplayError(_("No hint available"), 0);
14791 SendToProgram("hint\n", &first);
14792 hintRequested = TRUE;
14798 if (appData.noChessProgram) return;
14799 switch (gameMode) {
14800 case MachinePlaysWhite:
14801 if (WhiteOnMove(forwardMostMove)) {
14802 DisplayError(_("Wait until your turn"), 0);
14806 case BeginningOfGame:
14807 case MachinePlaysBlack:
14808 if (!WhiteOnMove(forwardMostMove)) {
14809 DisplayError(_("Wait until your turn"), 0);
14814 EditPositionDone(TRUE);
14816 case TwoMachinesPlay:
14821 SendToProgram("bk\n", &first);
14822 bookOutput[0] = NULLCHAR;
14823 bookRequested = TRUE;
14829 char *tags = PGNTags(&gameInfo);
14830 TagsPopUp(tags, CmailMsg());
14834 /* end button procedures */
14837 PrintPosition (FILE *fp, int move)
14841 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14842 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14843 char c = PieceToChar(boards[move][i][j]);
14844 fputc(c == 'x' ? '.' : c, fp);
14845 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14848 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14849 fprintf(fp, "white to play\n");
14851 fprintf(fp, "black to play\n");
14855 PrintOpponents (FILE *fp)
14857 if (gameInfo.white != NULL) {
14858 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14864 /* Find last component of program's own name, using some heuristics */
14866 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14869 int local = (strcmp(host, "localhost") == 0);
14870 while (!local && (p = strchr(prog, ';')) != NULL) {
14872 while (*p == ' ') p++;
14875 if (*prog == '"' || *prog == '\'') {
14876 q = strchr(prog + 1, *prog);
14878 q = strchr(prog, ' ');
14880 if (q == NULL) q = prog + strlen(prog);
14882 while (p >= prog && *p != '/' && *p != '\\') p--;
14884 if(p == prog && *p == '"') p++;
14886 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14887 memcpy(buf, p, q - p);
14888 buf[q - p] = NULLCHAR;
14896 TimeControlTagValue ()
14899 if (!appData.clockMode) {
14900 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14901 } else if (movesPerSession > 0) {
14902 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14903 } else if (timeIncrement == 0) {
14904 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14906 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14908 return StrSave(buf);
14914 /* This routine is used only for certain modes */
14915 VariantClass v = gameInfo.variant;
14916 ChessMove r = GameUnfinished;
14919 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14920 r = gameInfo.result;
14921 p = gameInfo.resultDetails;
14922 gameInfo.resultDetails = NULL;
14924 ClearGameInfo(&gameInfo);
14925 gameInfo.variant = v;
14927 switch (gameMode) {
14928 case MachinePlaysWhite:
14929 gameInfo.event = StrSave( appData.pgnEventHeader );
14930 gameInfo.site = StrSave(HostName());
14931 gameInfo.date = PGNDate();
14932 gameInfo.round = StrSave("-");
14933 gameInfo.white = StrSave(first.tidy);
14934 gameInfo.black = StrSave(UserName());
14935 gameInfo.timeControl = TimeControlTagValue();
14938 case MachinePlaysBlack:
14939 gameInfo.event = StrSave( appData.pgnEventHeader );
14940 gameInfo.site = StrSave(HostName());
14941 gameInfo.date = PGNDate();
14942 gameInfo.round = StrSave("-");
14943 gameInfo.white = StrSave(UserName());
14944 gameInfo.black = StrSave(first.tidy);
14945 gameInfo.timeControl = TimeControlTagValue();
14948 case TwoMachinesPlay:
14949 gameInfo.event = StrSave( appData.pgnEventHeader );
14950 gameInfo.site = StrSave(HostName());
14951 gameInfo.date = PGNDate();
14954 snprintf(buf, MSG_SIZ, "%d", roundNr);
14955 gameInfo.round = StrSave(buf);
14957 gameInfo.round = StrSave("-");
14959 if (first.twoMachinesColor[0] == 'w') {
14960 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14961 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14963 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14964 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14966 gameInfo.timeControl = TimeControlTagValue();
14970 gameInfo.event = StrSave("Edited game");
14971 gameInfo.site = StrSave(HostName());
14972 gameInfo.date = PGNDate();
14973 gameInfo.round = StrSave("-");
14974 gameInfo.white = StrSave("-");
14975 gameInfo.black = StrSave("-");
14976 gameInfo.result = r;
14977 gameInfo.resultDetails = p;
14981 gameInfo.event = StrSave("Edited position");
14982 gameInfo.site = StrSave(HostName());
14983 gameInfo.date = PGNDate();
14984 gameInfo.round = StrSave("-");
14985 gameInfo.white = StrSave("-");
14986 gameInfo.black = StrSave("-");
14989 case IcsPlayingWhite:
14990 case IcsPlayingBlack:
14995 case PlayFromGameFile:
14996 gameInfo.event = StrSave("Game from non-PGN file");
14997 gameInfo.site = StrSave(HostName());
14998 gameInfo.date = PGNDate();
14999 gameInfo.round = StrSave("-");
15000 gameInfo.white = StrSave("?");
15001 gameInfo.black = StrSave("?");
15010 ReplaceComment (int index, char *text)
15016 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15017 pvInfoList[index-1].depth == len &&
15018 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15019 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15020 while (*text == '\n') text++;
15021 len = strlen(text);
15022 while (len > 0 && text[len - 1] == '\n') len--;
15024 if (commentList[index] != NULL)
15025 free(commentList[index]);
15028 commentList[index] = NULL;
15031 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15032 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15033 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15034 commentList[index] = (char *) malloc(len + 2);
15035 strncpy(commentList[index], text, len);
15036 commentList[index][len] = '\n';
15037 commentList[index][len + 1] = NULLCHAR;
15039 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15041 commentList[index] = (char *) malloc(len + 7);
15042 safeStrCpy(commentList[index], "{\n", 3);
15043 safeStrCpy(commentList[index]+2, text, len+1);
15044 commentList[index][len+2] = NULLCHAR;
15045 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15046 strcat(commentList[index], "\n}\n");
15051 CrushCRs (char *text)
15059 if (ch == '\r') continue;
15061 } while (ch != '\0');
15065 AppendComment (int index, char *text, Boolean addBraces)
15066 /* addBraces tells if we should add {} */
15071 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15072 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15075 while (*text == '\n') text++;
15076 len = strlen(text);
15077 while (len > 0 && text[len - 1] == '\n') len--;
15078 text[len] = NULLCHAR;
15080 if (len == 0) return;
15082 if (commentList[index] != NULL) {
15083 Boolean addClosingBrace = addBraces;
15084 old = commentList[index];
15085 oldlen = strlen(old);
15086 while(commentList[index][oldlen-1] == '\n')
15087 commentList[index][--oldlen] = NULLCHAR;
15088 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15089 safeStrCpy(commentList[index], old, oldlen + len + 6);
15091 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15092 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15093 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15094 while (*text == '\n') { text++; len--; }
15095 commentList[index][--oldlen] = NULLCHAR;
15097 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15098 else strcat(commentList[index], "\n");
15099 strcat(commentList[index], text);
15100 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15101 else strcat(commentList[index], "\n");
15103 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15105 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15106 else commentList[index][0] = NULLCHAR;
15107 strcat(commentList[index], text);
15108 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15109 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15114 FindStr (char * text, char * sub_text)
15116 char * result = strstr( text, sub_text );
15118 if( result != NULL ) {
15119 result += strlen( sub_text );
15125 /* [AS] Try to extract PV info from PGN comment */
15126 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15128 GetInfoFromComment (int index, char * text)
15130 char * sep = text, *p;
15132 if( text != NULL && index > 0 ) {
15135 int time = -1, sec = 0, deci;
15136 char * s_eval = FindStr( text, "[%eval " );
15137 char * s_emt = FindStr( text, "[%emt " );
15139 if( s_eval != NULL || s_emt != NULL ) {
15143 if( s_eval != NULL ) {
15144 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15148 if( delim != ']' ) {
15153 if( s_emt != NULL ) {
15158 /* We expect something like: [+|-]nnn.nn/dd */
15161 if(*text != '{') return text; // [HGM] braces: must be normal comment
15163 sep = strchr( text, '/' );
15164 if( sep == NULL || sep < (text+4) ) {
15169 if(p[1] == '(') { // comment starts with PV
15170 p = strchr(p, ')'); // locate end of PV
15171 if(p == NULL || sep < p+5) return text;
15172 // at this point we have something like "{(.*) +0.23/6 ..."
15173 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15174 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15175 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15177 time = -1; sec = -1; deci = -1;
15178 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15179 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15180 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15181 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15185 if( score_lo < 0 || score_lo >= 100 ) {
15189 if(sec >= 0) time = 600*time + 10*sec; else
15190 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15192 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15194 /* [HGM] PV time: now locate end of PV info */
15195 while( *++sep >= '0' && *sep <= '9'); // strip depth
15197 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15199 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15201 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15202 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15213 pvInfoList[index-1].depth = depth;
15214 pvInfoList[index-1].score = score;
15215 pvInfoList[index-1].time = 10*time; // centi-sec
15216 if(*sep == '}') *sep = 0; else *--sep = '{';
15217 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15223 SendToProgram (char *message, ChessProgramState *cps)
15225 int count, outCount, error;
15228 if (cps->pr == NoProc) return;
15231 if (appData.debugMode) {
15234 fprintf(debugFP, "%ld >%-6s: %s",
15235 SubtractTimeMarks(&now, &programStartTime),
15236 cps->which, message);
15238 fprintf(serverFP, "%ld >%-6s: %s",
15239 SubtractTimeMarks(&now, &programStartTime),
15240 cps->which, message), fflush(serverFP);
15243 count = strlen(message);
15244 outCount = OutputToProcess(cps->pr, message, count, &error);
15245 if (outCount < count && !exiting
15246 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15247 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15248 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15249 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15250 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15251 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15252 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15253 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15255 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15256 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15257 gameInfo.result = res;
15259 gameInfo.resultDetails = StrSave(buf);
15261 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15262 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15267 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15271 ChessProgramState *cps = (ChessProgramState *)closure;
15273 if (isr != cps->isr) return; /* Killed intentionally */
15276 RemoveInputSource(cps->isr);
15277 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15278 _(cps->which), cps->program);
15279 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15280 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15281 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15282 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15283 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15284 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15286 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15287 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15288 gameInfo.result = res;
15290 gameInfo.resultDetails = StrSave(buf);
15292 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15293 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15295 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15296 _(cps->which), cps->program);
15297 RemoveInputSource(cps->isr);
15299 /* [AS] Program is misbehaving badly... kill it */
15300 if( count == -2 ) {
15301 DestroyChildProcess( cps->pr, 9 );
15305 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15310 if ((end_str = strchr(message, '\r')) != NULL)
15311 *end_str = NULLCHAR;
15312 if ((end_str = strchr(message, '\n')) != NULL)
15313 *end_str = NULLCHAR;
15315 if (appData.debugMode) {
15316 TimeMark now; int print = 1;
15317 char *quote = ""; char c; int i;
15319 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15320 char start = message[0];
15321 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15322 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15323 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15324 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15325 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15326 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15327 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15328 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15329 sscanf(message, "hint: %c", &c)!=1 &&
15330 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15331 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15332 print = (appData.engineComments >= 2);
15334 message[0] = start; // restore original message
15338 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15339 SubtractTimeMarks(&now, &programStartTime), cps->which,
15343 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15344 SubtractTimeMarks(&now, &programStartTime), cps->which,
15346 message), fflush(serverFP);
15350 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15351 if (appData.icsEngineAnalyze) {
15352 if (strstr(message, "whisper") != NULL ||
15353 strstr(message, "kibitz") != NULL ||
15354 strstr(message, "tellics") != NULL) return;
15357 HandleMachineMove(message, cps);
15362 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15367 if( timeControl_2 > 0 ) {
15368 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15369 tc = timeControl_2;
15372 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15373 inc /= cps->timeOdds;
15374 st /= cps->timeOdds;
15376 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15379 /* Set exact time per move, normally using st command */
15380 if (cps->stKludge) {
15381 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15383 if (seconds == 0) {
15384 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15386 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15389 snprintf(buf, MSG_SIZ, "st %d\n", st);
15392 /* Set conventional or incremental time control, using level command */
15393 if (seconds == 0) {
15394 /* Note old gnuchess bug -- minutes:seconds used to not work.
15395 Fixed in later versions, but still avoid :seconds
15396 when seconds is 0. */
15397 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15399 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15400 seconds, inc/1000.);
15403 SendToProgram(buf, cps);
15405 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15406 /* Orthogonally, limit search to given depth */
15408 if (cps->sdKludge) {
15409 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15411 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15413 SendToProgram(buf, cps);
15416 if(cps->nps >= 0) { /* [HGM] nps */
15417 if(cps->supportsNPS == FALSE)
15418 cps->nps = -1; // don't use if engine explicitly says not supported!
15420 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15421 SendToProgram(buf, cps);
15426 ChessProgramState *
15428 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15430 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15431 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15437 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15439 char message[MSG_SIZ];
15442 /* Note: this routine must be called when the clocks are stopped
15443 or when they have *just* been set or switched; otherwise
15444 it will be off by the time since the current tick started.
15446 if (machineWhite) {
15447 time = whiteTimeRemaining / 10;
15448 otime = blackTimeRemaining / 10;
15450 time = blackTimeRemaining / 10;
15451 otime = whiteTimeRemaining / 10;
15453 /* [HGM] translate opponent's time by time-odds factor */
15454 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15456 if (time <= 0) time = 1;
15457 if (otime <= 0) otime = 1;
15459 snprintf(message, MSG_SIZ, "time %ld\n", time);
15460 SendToProgram(message, cps);
15462 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15463 SendToProgram(message, cps);
15467 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15470 int len = strlen(name);
15473 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15475 sscanf(*p, "%d", &val);
15477 while (**p && **p != ' ')
15479 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15480 SendToProgram(buf, cps);
15487 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15490 int len = strlen(name);
15491 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15493 sscanf(*p, "%d", loc);
15494 while (**p && **p != ' ') (*p)++;
15495 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15496 SendToProgram(buf, cps);
15503 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15506 int len = strlen(name);
15507 if (strncmp((*p), name, len) == 0
15508 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15510 sscanf(*p, "%[^\"]", loc);
15511 while (**p && **p != '\"') (*p)++;
15512 if (**p == '\"') (*p)++;
15513 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15514 SendToProgram(buf, cps);
15521 ParseOption (Option *opt, ChessProgramState *cps)
15522 // [HGM] options: process the string that defines an engine option, and determine
15523 // name, type, default value, and allowed value range
15525 char *p, *q, buf[MSG_SIZ];
15526 int n, min = (-1)<<31, max = 1<<31, def;
15528 if(p = strstr(opt->name, " -spin ")) {
15529 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15530 if(max < min) max = min; // enforce consistency
15531 if(def < min) def = min;
15532 if(def > max) def = max;
15537 } else if((p = strstr(opt->name, " -slider "))) {
15538 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15539 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15540 if(max < min) max = min; // enforce consistency
15541 if(def < min) def = min;
15542 if(def > max) def = max;
15546 opt->type = Spin; // Slider;
15547 } else if((p = strstr(opt->name, " -string "))) {
15548 opt->textValue = p+9;
15549 opt->type = TextBox;
15550 } else if((p = strstr(opt->name, " -file "))) {
15551 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15552 opt->textValue = p+7;
15553 opt->type = FileName; // FileName;
15554 } else if((p = strstr(opt->name, " -path "))) {
15555 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15556 opt->textValue = p+7;
15557 opt->type = PathName; // PathName;
15558 } else if(p = strstr(opt->name, " -check ")) {
15559 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15560 opt->value = (def != 0);
15561 opt->type = CheckBox;
15562 } else if(p = strstr(opt->name, " -combo ")) {
15563 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15564 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15565 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15566 opt->value = n = 0;
15567 while(q = StrStr(q, " /// ")) {
15568 n++; *q = 0; // count choices, and null-terminate each of them
15570 if(*q == '*') { // remember default, which is marked with * prefix
15574 cps->comboList[cps->comboCnt++] = q;
15576 cps->comboList[cps->comboCnt++] = NULL;
15578 opt->type = ComboBox;
15579 } else if(p = strstr(opt->name, " -button")) {
15580 opt->type = Button;
15581 } else if(p = strstr(opt->name, " -save")) {
15582 opt->type = SaveButton;
15583 } else return FALSE;
15584 *p = 0; // terminate option name
15585 // now look if the command-line options define a setting for this engine option.
15586 if(cps->optionSettings && cps->optionSettings[0])
15587 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15588 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15589 snprintf(buf, MSG_SIZ, "option %s", p);
15590 if(p = strstr(buf, ",")) *p = 0;
15591 if(q = strchr(buf, '=')) switch(opt->type) {
15593 for(n=0; n<opt->max; n++)
15594 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15597 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15601 opt->value = atoi(q+1);
15606 SendToProgram(buf, cps);
15612 FeatureDone (ChessProgramState *cps, int val)
15614 DelayedEventCallback cb = GetDelayedEvent();
15615 if ((cb == InitBackEnd3 && cps == &first) ||
15616 (cb == SettingsMenuIfReady && cps == &second) ||
15617 (cb == LoadEngine) ||
15618 (cb == TwoMachinesEventIfReady)) {
15619 CancelDelayedEvent();
15620 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15622 cps->initDone = val;
15625 /* Parse feature command from engine */
15627 ParseFeatures (char *args, ChessProgramState *cps)
15635 while (*p == ' ') p++;
15636 if (*p == NULLCHAR) return;
15638 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15639 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15640 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15641 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15642 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15643 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15644 if (BoolFeature(&p, "reuse", &val, cps)) {
15645 /* Engine can disable reuse, but can't enable it if user said no */
15646 if (!val) cps->reuse = FALSE;
15649 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15650 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15651 if (gameMode == TwoMachinesPlay) {
15652 DisplayTwoMachinesTitle();
15658 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15659 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15660 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15661 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15662 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15663 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15664 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15665 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15666 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15667 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15668 if (IntFeature(&p, "done", &val, cps)) {
15669 FeatureDone(cps, val);
15672 /* Added by Tord: */
15673 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15674 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15675 /* End of additions by Tord */
15677 /* [HGM] added features: */
15678 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15679 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15680 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15681 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15682 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15683 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15684 if (StringFeature(&p, "option", buf, cps)) {
15685 FREE(cps->option[cps->nrOptions].name);
15686 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15687 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15688 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15689 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15690 SendToProgram(buf, cps);
15693 if(cps->nrOptions >= MAX_OPTIONS) {
15695 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15696 DisplayError(buf, 0);
15700 /* End of additions by HGM */
15702 /* unknown feature: complain and skip */
15704 while (*q && *q != '=') q++;
15705 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15706 SendToProgram(buf, cps);
15712 while (*p && *p != '\"') p++;
15713 if (*p == '\"') p++;
15715 while (*p && *p != ' ') p++;
15723 PeriodicUpdatesEvent (int newState)
15725 if (newState == appData.periodicUpdates)
15728 appData.periodicUpdates=newState;
15730 /* Display type changes, so update it now */
15731 // DisplayAnalysis();
15733 /* Get the ball rolling again... */
15735 AnalysisPeriodicEvent(1);
15736 StartAnalysisClock();
15741 PonderNextMoveEvent (int newState)
15743 if (newState == appData.ponderNextMove) return;
15744 if (gameMode == EditPosition) EditPositionDone(TRUE);
15746 SendToProgram("hard\n", &first);
15747 if (gameMode == TwoMachinesPlay) {
15748 SendToProgram("hard\n", &second);
15751 SendToProgram("easy\n", &first);
15752 thinkOutput[0] = NULLCHAR;
15753 if (gameMode == TwoMachinesPlay) {
15754 SendToProgram("easy\n", &second);
15757 appData.ponderNextMove = newState;
15761 NewSettingEvent (int option, int *feature, char *command, int value)
15765 if (gameMode == EditPosition) EditPositionDone(TRUE);
15766 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15767 if(feature == NULL || *feature) SendToProgram(buf, &first);
15768 if (gameMode == TwoMachinesPlay) {
15769 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15774 ShowThinkingEvent ()
15775 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15777 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15778 int newState = appData.showThinking
15779 // [HGM] thinking: other features now need thinking output as well
15780 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15782 if (oldState == newState) return;
15783 oldState = newState;
15784 if (gameMode == EditPosition) EditPositionDone(TRUE);
15786 SendToProgram("post\n", &first);
15787 if (gameMode == TwoMachinesPlay) {
15788 SendToProgram("post\n", &second);
15791 SendToProgram("nopost\n", &first);
15792 thinkOutput[0] = NULLCHAR;
15793 if (gameMode == TwoMachinesPlay) {
15794 SendToProgram("nopost\n", &second);
15797 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15801 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15803 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15804 if (pr == NoProc) return;
15805 AskQuestion(title, question, replyPrefix, pr);
15809 TypeInEvent (char firstChar)
15811 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15812 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15813 gameMode == AnalyzeMode || gameMode == EditGame ||
15814 gameMode == EditPosition || gameMode == IcsExamining ||
15815 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15816 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15817 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15818 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15819 gameMode == Training) PopUpMoveDialog(firstChar);
15823 TypeInDoneEvent (char *move)
15826 int n, fromX, fromY, toX, toY;
15828 ChessMove moveType;
15831 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15832 EditPositionPasteFEN(move);
15835 // [HGM] movenum: allow move number to be typed in any mode
15836 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15840 // undocumented kludge: allow command-line option to be typed in!
15841 // (potentially fatal, and does not implement the effect of the option.)
15842 // should only be used for options that are values on which future decisions will be made,
15843 // and definitely not on options that would be used during initialization.
15844 if(strstr(move, "!!! -") == move) {
15845 ParseArgsFromString(move+4);
15849 if (gameMode != EditGame && currentMove != forwardMostMove &&
15850 gameMode != Training) {
15851 DisplayMoveError(_("Displayed move is not current"));
15853 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15854 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15855 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15856 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15857 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15858 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15860 DisplayMoveError(_("Could not parse move"));
15866 DisplayMove (int moveNumber)
15868 char message[MSG_SIZ];
15870 char cpThinkOutput[MSG_SIZ];
15872 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15874 if (moveNumber == forwardMostMove - 1 ||
15875 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15877 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15879 if (strchr(cpThinkOutput, '\n')) {
15880 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15883 *cpThinkOutput = NULLCHAR;
15886 /* [AS] Hide thinking from human user */
15887 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15888 *cpThinkOutput = NULLCHAR;
15889 if( thinkOutput[0] != NULLCHAR ) {
15892 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15893 cpThinkOutput[i] = '.';
15895 cpThinkOutput[i] = NULLCHAR;
15896 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15900 if (moveNumber == forwardMostMove - 1 &&
15901 gameInfo.resultDetails != NULL) {
15902 if (gameInfo.resultDetails[0] == NULLCHAR) {
15903 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15905 snprintf(res, MSG_SIZ, " {%s} %s",
15906 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15912 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15913 DisplayMessage(res, cpThinkOutput);
15915 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15916 WhiteOnMove(moveNumber) ? " " : ".. ",
15917 parseList[moveNumber], res);
15918 DisplayMessage(message, cpThinkOutput);
15923 DisplayComment (int moveNumber, char *text)
15925 char title[MSG_SIZ];
15927 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15928 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15930 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15931 WhiteOnMove(moveNumber) ? " " : ".. ",
15932 parseList[moveNumber]);
15934 if (text != NULL && (appData.autoDisplayComment || commentUp))
15935 CommentPopUp(title, text);
15938 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15939 * might be busy thinking or pondering. It can be omitted if your
15940 * gnuchess is configured to stop thinking immediately on any user
15941 * input. However, that gnuchess feature depends on the FIONREAD
15942 * ioctl, which does not work properly on some flavors of Unix.
15945 Attention (ChessProgramState *cps)
15948 if (!cps->useSigint) return;
15949 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15950 switch (gameMode) {
15951 case MachinePlaysWhite:
15952 case MachinePlaysBlack:
15953 case TwoMachinesPlay:
15954 case IcsPlayingWhite:
15955 case IcsPlayingBlack:
15958 /* Skip if we know it isn't thinking */
15959 if (!cps->maybeThinking) return;
15960 if (appData.debugMode)
15961 fprintf(debugFP, "Interrupting %s\n", cps->which);
15962 InterruptChildProcess(cps->pr);
15963 cps->maybeThinking = FALSE;
15968 #endif /*ATTENTION*/
15974 if (whiteTimeRemaining <= 0) {
15977 if (appData.icsActive) {
15978 if (appData.autoCallFlag &&
15979 gameMode == IcsPlayingBlack && !blackFlag) {
15980 SendToICS(ics_prefix);
15981 SendToICS("flag\n");
15985 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15987 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15988 if (appData.autoCallFlag) {
15989 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15996 if (blackTimeRemaining <= 0) {
15999 if (appData.icsActive) {
16000 if (appData.autoCallFlag &&
16001 gameMode == IcsPlayingWhite && !whiteFlag) {
16002 SendToICS(ics_prefix);
16003 SendToICS("flag\n");
16007 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16009 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16010 if (appData.autoCallFlag) {
16011 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16022 CheckTimeControl ()
16024 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16025 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16028 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16030 if ( !WhiteOnMove(forwardMostMove) ) {
16031 /* White made time control */
16032 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16033 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16034 /* [HGM] time odds: correct new time quota for time odds! */
16035 / WhitePlayer()->timeOdds;
16036 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16038 lastBlack -= blackTimeRemaining;
16039 /* Black made time control */
16040 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16041 / WhitePlayer()->other->timeOdds;
16042 lastWhite = whiteTimeRemaining;
16047 DisplayBothClocks ()
16049 int wom = gameMode == EditPosition ?
16050 !blackPlaysFirst : WhiteOnMove(currentMove);
16051 DisplayWhiteClock(whiteTimeRemaining, wom);
16052 DisplayBlackClock(blackTimeRemaining, !wom);
16056 /* Timekeeping seems to be a portability nightmare. I think everyone
16057 has ftime(), but I'm really not sure, so I'm including some ifdefs
16058 to use other calls if you don't. Clocks will be less accurate if
16059 you have neither ftime nor gettimeofday.
16062 /* VS 2008 requires the #include outside of the function */
16063 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16064 #include <sys/timeb.h>
16067 /* Get the current time as a TimeMark */
16069 GetTimeMark (TimeMark *tm)
16071 #if HAVE_GETTIMEOFDAY
16073 struct timeval timeVal;
16074 struct timezone timeZone;
16076 gettimeofday(&timeVal, &timeZone);
16077 tm->sec = (long) timeVal.tv_sec;
16078 tm->ms = (int) (timeVal.tv_usec / 1000L);
16080 #else /*!HAVE_GETTIMEOFDAY*/
16083 // include <sys/timeb.h> / moved to just above start of function
16084 struct timeb timeB;
16087 tm->sec = (long) timeB.time;
16088 tm->ms = (int) timeB.millitm;
16090 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16091 tm->sec = (long) time(NULL);
16097 /* Return the difference in milliseconds between two
16098 time marks. We assume the difference will fit in a long!
16101 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16103 return 1000L*(tm2->sec - tm1->sec) +
16104 (long) (tm2->ms - tm1->ms);
16109 * Code to manage the game clocks.
16111 * In tournament play, black starts the clock and then white makes a move.
16112 * We give the human user a slight advantage if he is playing white---the
16113 * clocks don't run until he makes his first move, so it takes zero time.
16114 * Also, we don't account for network lag, so we could get out of sync
16115 * with GNU Chess's clock -- but then, referees are always right.
16118 static TimeMark tickStartTM;
16119 static long intendedTickLength;
16122 NextTickLength (long timeRemaining)
16124 long nominalTickLength, nextTickLength;
16126 if (timeRemaining > 0L && timeRemaining <= 10000L)
16127 nominalTickLength = 100L;
16129 nominalTickLength = 1000L;
16130 nextTickLength = timeRemaining % nominalTickLength;
16131 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16133 return nextTickLength;
16136 /* Adjust clock one minute up or down */
16138 AdjustClock (Boolean which, int dir)
16140 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16141 if(which) blackTimeRemaining += 60000*dir;
16142 else whiteTimeRemaining += 60000*dir;
16143 DisplayBothClocks();
16144 adjustedClock = TRUE;
16147 /* Stop clocks and reset to a fresh time control */
16151 (void) StopClockTimer();
16152 if (appData.icsActive) {
16153 whiteTimeRemaining = blackTimeRemaining = 0;
16154 } else if (searchTime) {
16155 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16156 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16157 } else { /* [HGM] correct new time quote for time odds */
16158 whiteTC = blackTC = fullTimeControlString;
16159 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16160 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16162 if (whiteFlag || blackFlag) {
16164 whiteFlag = blackFlag = FALSE;
16166 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16167 DisplayBothClocks();
16168 adjustedClock = FALSE;
16171 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16173 /* Decrement running clock by amount of time that has passed */
16177 long timeRemaining;
16178 long lastTickLength, fudge;
16181 if (!appData.clockMode) return;
16182 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16186 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16188 /* Fudge if we woke up a little too soon */
16189 fudge = intendedTickLength - lastTickLength;
16190 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16192 if (WhiteOnMove(forwardMostMove)) {
16193 if(whiteNPS >= 0) lastTickLength = 0;
16194 timeRemaining = whiteTimeRemaining -= lastTickLength;
16195 if(timeRemaining < 0 && !appData.icsActive) {
16196 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16197 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16198 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16199 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16202 DisplayWhiteClock(whiteTimeRemaining - fudge,
16203 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16205 if(blackNPS >= 0) lastTickLength = 0;
16206 timeRemaining = blackTimeRemaining -= lastTickLength;
16207 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16208 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16210 blackStartMove = forwardMostMove;
16211 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16214 DisplayBlackClock(blackTimeRemaining - fudge,
16215 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16217 if (CheckFlags()) return;
16219 if(twoBoards) { // count down secondary board's clocks as well
16220 activePartnerTime -= lastTickLength;
16222 if(activePartner == 'W')
16223 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16225 DisplayBlackClock(activePartnerTime, TRUE);
16230 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16231 StartClockTimer(intendedTickLength);
16233 /* if the time remaining has fallen below the alarm threshold, sound the
16234 * alarm. if the alarm has sounded and (due to a takeback or time control
16235 * with increment) the time remaining has increased to a level above the
16236 * threshold, reset the alarm so it can sound again.
16239 if (appData.icsActive && appData.icsAlarm) {
16241 /* make sure we are dealing with the user's clock */
16242 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16243 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16246 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16247 alarmSounded = FALSE;
16248 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16250 alarmSounded = TRUE;
16256 /* A player has just moved, so stop the previously running
16257 clock and (if in clock mode) start the other one.
16258 We redisplay both clocks in case we're in ICS mode, because
16259 ICS gives us an update to both clocks after every move.
16260 Note that this routine is called *after* forwardMostMove
16261 is updated, so the last fractional tick must be subtracted
16262 from the color that is *not* on move now.
16265 SwitchClocks (int newMoveNr)
16267 long lastTickLength;
16269 int flagged = FALSE;
16273 if (StopClockTimer() && appData.clockMode) {
16274 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16275 if (!WhiteOnMove(forwardMostMove)) {
16276 if(blackNPS >= 0) lastTickLength = 0;
16277 blackTimeRemaining -= lastTickLength;
16278 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16279 // if(pvInfoList[forwardMostMove].time == -1)
16280 pvInfoList[forwardMostMove].time = // use GUI time
16281 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16283 if(whiteNPS >= 0) lastTickLength = 0;
16284 whiteTimeRemaining -= lastTickLength;
16285 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16286 // if(pvInfoList[forwardMostMove].time == -1)
16287 pvInfoList[forwardMostMove].time =
16288 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16290 flagged = CheckFlags();
16292 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16293 CheckTimeControl();
16295 if (flagged || !appData.clockMode) return;
16297 switch (gameMode) {
16298 case MachinePlaysBlack:
16299 case MachinePlaysWhite:
16300 case BeginningOfGame:
16301 if (pausing) return;
16305 case PlayFromGameFile:
16313 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16314 if(WhiteOnMove(forwardMostMove))
16315 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16316 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16320 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16321 whiteTimeRemaining : blackTimeRemaining);
16322 StartClockTimer(intendedTickLength);
16326 /* Stop both clocks */
16330 long lastTickLength;
16333 if (!StopClockTimer()) return;
16334 if (!appData.clockMode) return;
16338 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16339 if (WhiteOnMove(forwardMostMove)) {
16340 if(whiteNPS >= 0) lastTickLength = 0;
16341 whiteTimeRemaining -= lastTickLength;
16342 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16344 if(blackNPS >= 0) lastTickLength = 0;
16345 blackTimeRemaining -= lastTickLength;
16346 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16351 /* Start clock of player on move. Time may have been reset, so
16352 if clock is already running, stop and restart it. */
16356 (void) StopClockTimer(); /* in case it was running already */
16357 DisplayBothClocks();
16358 if (CheckFlags()) return;
16360 if (!appData.clockMode) return;
16361 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16363 GetTimeMark(&tickStartTM);
16364 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16365 whiteTimeRemaining : blackTimeRemaining);
16367 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16368 whiteNPS = blackNPS = -1;
16369 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16370 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16371 whiteNPS = first.nps;
16372 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16373 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16374 blackNPS = first.nps;
16375 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16376 whiteNPS = second.nps;
16377 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16378 blackNPS = second.nps;
16379 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16381 StartClockTimer(intendedTickLength);
16385 TimeString (long ms)
16387 long second, minute, hour, day;
16389 static char buf[32];
16391 if (ms > 0 && ms <= 9900) {
16392 /* convert milliseconds to tenths, rounding up */
16393 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16395 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16399 /* convert milliseconds to seconds, rounding up */
16400 /* use floating point to avoid strangeness of integer division
16401 with negative dividends on many machines */
16402 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16409 day = second / (60 * 60 * 24);
16410 second = second % (60 * 60 * 24);
16411 hour = second / (60 * 60);
16412 second = second % (60 * 60);
16413 minute = second / 60;
16414 second = second % 60;
16417 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16418 sign, day, hour, minute, second);
16420 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16422 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16429 * This is necessary because some C libraries aren't ANSI C compliant yet.
16432 StrStr (char *string, char *match)
16436 length = strlen(match);
16438 for (i = strlen(string) - length; i >= 0; i--, string++)
16439 if (!strncmp(match, string, length))
16446 StrCaseStr (char *string, char *match)
16450 length = strlen(match);
16452 for (i = strlen(string) - length; i >= 0; i--, string++) {
16453 for (j = 0; j < length; j++) {
16454 if (ToLower(match[j]) != ToLower(string[j]))
16457 if (j == length) return string;
16465 StrCaseCmp (char *s1, char *s2)
16470 c1 = ToLower(*s1++);
16471 c2 = ToLower(*s2++);
16472 if (c1 > c2) return 1;
16473 if (c1 < c2) return -1;
16474 if (c1 == NULLCHAR) return 0;
16482 return isupper(c) ? tolower(c) : c;
16489 return islower(c) ? toupper(c) : c;
16491 #endif /* !_amigados */
16498 if ((ret = (char *) malloc(strlen(s) + 1)))
16500 safeStrCpy(ret, s, strlen(s)+1);
16506 StrSavePtr (char *s, char **savePtr)
16511 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16512 safeStrCpy(*savePtr, s, strlen(s)+1);
16524 clock = time((time_t *)NULL);
16525 tm = localtime(&clock);
16526 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16527 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16528 return StrSave(buf);
16533 PositionToFEN (int move, char *overrideCastling)
16535 int i, j, fromX, fromY, toX, toY;
16542 whiteToPlay = (gameMode == EditPosition) ?
16543 !blackPlaysFirst : (move % 2 == 0);
16546 /* Piece placement data */
16547 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16548 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16550 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16551 if (boards[move][i][j] == EmptySquare) {
16553 } else { ChessSquare piece = boards[move][i][j];
16554 if (emptycount > 0) {
16555 if(emptycount<10) /* [HGM] can be >= 10 */
16556 *p++ = '0' + emptycount;
16557 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16560 if(PieceToChar(piece) == '+') {
16561 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16563 piece = (ChessSquare)(DEMOTED piece);
16565 *p++ = PieceToChar(piece);
16567 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16568 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16573 if (emptycount > 0) {
16574 if(emptycount<10) /* [HGM] can be >= 10 */
16575 *p++ = '0' + emptycount;
16576 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16583 /* [HGM] print Crazyhouse or Shogi holdings */
16584 if( gameInfo.holdingsWidth ) {
16585 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16587 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16588 piece = boards[move][i][BOARD_WIDTH-1];
16589 if( piece != EmptySquare )
16590 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16591 *p++ = PieceToChar(piece);
16593 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16594 piece = boards[move][BOARD_HEIGHT-i-1][0];
16595 if( piece != EmptySquare )
16596 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16597 *p++ = PieceToChar(piece);
16600 if( q == p ) *p++ = '-';
16606 *p++ = whiteToPlay ? 'w' : 'b';
16609 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16610 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16612 if(nrCastlingRights) {
16614 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16615 /* [HGM] write directly from rights */
16616 if(boards[move][CASTLING][2] != NoRights &&
16617 boards[move][CASTLING][0] != NoRights )
16618 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16619 if(boards[move][CASTLING][2] != NoRights &&
16620 boards[move][CASTLING][1] != NoRights )
16621 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16622 if(boards[move][CASTLING][5] != NoRights &&
16623 boards[move][CASTLING][3] != NoRights )
16624 *p++ = boards[move][CASTLING][3] + AAA;
16625 if(boards[move][CASTLING][5] != NoRights &&
16626 boards[move][CASTLING][4] != NoRights )
16627 *p++ = boards[move][CASTLING][4] + AAA;
16630 /* [HGM] write true castling rights */
16631 if( nrCastlingRights == 6 ) {
16632 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16633 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16634 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16635 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16636 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16637 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16638 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16639 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16642 if (q == p) *p++ = '-'; /* No castling rights */
16646 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16647 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16648 /* En passant target square */
16649 if (move > backwardMostMove) {
16650 fromX = moveList[move - 1][0] - AAA;
16651 fromY = moveList[move - 1][1] - ONE;
16652 toX = moveList[move - 1][2] - AAA;
16653 toY = moveList[move - 1][3] - ONE;
16654 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16655 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16656 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16658 /* 2-square pawn move just happened */
16660 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16664 } else if(move == backwardMostMove) {
16665 // [HGM] perhaps we should always do it like this, and forget the above?
16666 if((signed char)boards[move][EP_STATUS] >= 0) {
16667 *p++ = boards[move][EP_STATUS] + AAA;
16668 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16679 /* [HGM] find reversible plies */
16680 { int i = 0, j=move;
16682 if (appData.debugMode) { int k;
16683 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16684 for(k=backwardMostMove; k<=forwardMostMove; k++)
16685 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16689 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16690 if( j == backwardMostMove ) i += initialRulePlies;
16691 sprintf(p, "%d ", i);
16692 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16694 /* Fullmove number */
16695 sprintf(p, "%d", (move / 2) + 1);
16697 return StrSave(buf);
16701 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16710 /* [HGM] by default clear Crazyhouse holdings, if present */
16711 if(gameInfo.holdingsWidth) {
16712 for(i=0; i<BOARD_HEIGHT; i++) {
16713 board[i][0] = EmptySquare; /* black holdings */
16714 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16715 board[i][1] = (ChessSquare) 0; /* black counts */
16716 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16720 /* Piece placement data */
16721 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16724 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16725 if (*p == '/') p++;
16726 emptycount = gameInfo.boardWidth - j;
16727 while (emptycount--)
16728 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16730 #if(BOARD_FILES >= 10)
16731 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16732 p++; emptycount=10;
16733 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16734 while (emptycount--)
16735 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16737 } else if (isdigit(*p)) {
16738 emptycount = *p++ - '0';
16739 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16740 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16741 while (emptycount--)
16742 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16743 } else if (*p == '+' || isalpha(*p)) {
16744 if (j >= gameInfo.boardWidth) return FALSE;
16746 piece = CharToPiece(*++p);
16747 if(piece == EmptySquare) return FALSE; /* unknown piece */
16748 piece = (ChessSquare) (PROMOTED piece ); p++;
16749 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16750 } else piece = CharToPiece(*p++);
16752 if(piece==EmptySquare) return FALSE; /* unknown piece */
16753 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16754 piece = (ChessSquare) (PROMOTED piece);
16755 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16758 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16764 while (*p == '/' || *p == ' ') p++;
16766 /* [HGM] look for Crazyhouse holdings here */
16767 while(*p==' ') p++;
16768 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16770 if(*p == '-' ) p++; /* empty holdings */ else {
16771 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16772 /* if we would allow FEN reading to set board size, we would */
16773 /* have to add holdings and shift the board read so far here */
16774 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16776 if((int) piece >= (int) BlackPawn ) {
16777 i = (int)piece - (int)BlackPawn;
16778 i = PieceToNumber((ChessSquare)i);
16779 if( i >= gameInfo.holdingsSize ) return FALSE;
16780 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16781 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16783 i = (int)piece - (int)WhitePawn;
16784 i = PieceToNumber((ChessSquare)i);
16785 if( i >= gameInfo.holdingsSize ) return FALSE;
16786 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16787 board[i][BOARD_WIDTH-2]++; /* black holdings */
16794 while(*p == ' ') p++;
16798 if(appData.colorNickNames) {
16799 if( c == appData.colorNickNames[0] ) c = 'w'; else
16800 if( c == appData.colorNickNames[1] ) c = 'b';
16804 *blackPlaysFirst = FALSE;
16807 *blackPlaysFirst = TRUE;
16813 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16814 /* return the extra info in global variiables */
16816 /* set defaults in case FEN is incomplete */
16817 board[EP_STATUS] = EP_UNKNOWN;
16818 for(i=0; i<nrCastlingRights; i++ ) {
16819 board[CASTLING][i] =
16820 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16821 } /* assume possible unless obviously impossible */
16822 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16823 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16824 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16825 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16826 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16827 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16828 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16829 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16832 while(*p==' ') p++;
16833 if(nrCastlingRights) {
16834 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16835 /* castling indicator present, so default becomes no castlings */
16836 for(i=0; i<nrCastlingRights; i++ ) {
16837 board[CASTLING][i] = NoRights;
16840 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16841 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16842 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16843 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16844 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16846 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16847 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16848 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16850 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16851 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16852 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16853 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16854 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16855 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16858 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16859 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16860 board[CASTLING][2] = whiteKingFile;
16863 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16864 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16865 board[CASTLING][2] = whiteKingFile;
16868 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16869 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16870 board[CASTLING][5] = blackKingFile;
16873 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16874 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16875 board[CASTLING][5] = blackKingFile;
16878 default: /* FRC castlings */
16879 if(c >= 'a') { /* black rights */
16880 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16881 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16882 if(i == BOARD_RGHT) break;
16883 board[CASTLING][5] = i;
16885 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16886 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16888 board[CASTLING][3] = c;
16890 board[CASTLING][4] = c;
16891 } else { /* white rights */
16892 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16893 if(board[0][i] == WhiteKing) break;
16894 if(i == BOARD_RGHT) break;
16895 board[CASTLING][2] = i;
16896 c -= AAA - 'a' + 'A';
16897 if(board[0][c] >= WhiteKing) break;
16899 board[CASTLING][0] = c;
16901 board[CASTLING][1] = c;
16905 for(i=0; i<nrCastlingRights; i++)
16906 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16907 if (appData.debugMode) {
16908 fprintf(debugFP, "FEN castling rights:");
16909 for(i=0; i<nrCastlingRights; i++)
16910 fprintf(debugFP, " %d", board[CASTLING][i]);
16911 fprintf(debugFP, "\n");
16914 while(*p==' ') p++;
16917 /* read e.p. field in games that know e.p. capture */
16918 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16919 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16921 p++; board[EP_STATUS] = EP_NONE;
16923 char c = *p++ - AAA;
16925 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16926 if(*p >= '0' && *p <='9') p++;
16927 board[EP_STATUS] = c;
16932 if(sscanf(p, "%d", &i) == 1) {
16933 FENrulePlies = i; /* 50-move ply counter */
16934 /* (The move number is still ignored) */
16941 EditPositionPasteFEN (char *fen)
16944 Board initial_position;
16946 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16947 DisplayError(_("Bad FEN position in clipboard"), 0);
16950 int savedBlackPlaysFirst = blackPlaysFirst;
16951 EditPositionEvent();
16952 blackPlaysFirst = savedBlackPlaysFirst;
16953 CopyBoard(boards[0], initial_position);
16954 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16955 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16956 DisplayBothClocks();
16957 DrawPosition(FALSE, boards[currentMove]);
16962 static char cseq[12] = "\\ ";
16965 set_cont_sequence (char *new_seq)
16970 // handle bad attempts to set the sequence
16972 return 0; // acceptable error - no debug
16974 len = strlen(new_seq);
16975 ret = (len > 0) && (len < sizeof(cseq));
16977 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16978 else if (appData.debugMode)
16979 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16984 reformat a source message so words don't cross the width boundary. internal
16985 newlines are not removed. returns the wrapped size (no null character unless
16986 included in source message). If dest is NULL, only calculate the size required
16987 for the dest buffer. lp argument indicats line position upon entry, and it's
16988 passed back upon exit.
16991 wrap (char *dest, char *src, int count, int width, int *lp)
16993 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16995 cseq_len = strlen(cseq);
16996 old_line = line = *lp;
16997 ansi = len = clen = 0;
16999 for (i=0; i < count; i++)
17001 if (src[i] == '\033')
17004 // if we hit the width, back up
17005 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17007 // store i & len in case the word is too long
17008 old_i = i, old_len = len;
17010 // find the end of the last word
17011 while (i && src[i] != ' ' && src[i] != '\n')
17017 // word too long? restore i & len before splitting it
17018 if ((old_i-i+clen) >= width)
17025 if (i && src[i-1] == ' ')
17028 if (src[i] != ' ' && src[i] != '\n')
17035 // now append the newline and continuation sequence
17040 strncpy(dest+len, cseq, cseq_len);
17048 dest[len] = src[i];
17052 if (src[i] == '\n')
17057 if (dest && appData.debugMode)
17059 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17060 count, width, line, len, *lp);
17061 show_bytes(debugFP, src, count);
17062 fprintf(debugFP, "\ndest: ");
17063 show_bytes(debugFP, dest, len);
17064 fprintf(debugFP, "\n");
17066 *lp = dest ? line : old_line;
17071 // [HGM] vari: routines for shelving variations
17072 Boolean modeRestore = FALSE;
17075 PushInner (int firstMove, int lastMove)
17077 int i, j, nrMoves = lastMove - firstMove;
17079 // push current tail of game on stack
17080 savedResult[storedGames] = gameInfo.result;
17081 savedDetails[storedGames] = gameInfo.resultDetails;
17082 gameInfo.resultDetails = NULL;
17083 savedFirst[storedGames] = firstMove;
17084 savedLast [storedGames] = lastMove;
17085 savedFramePtr[storedGames] = framePtr;
17086 framePtr -= nrMoves; // reserve space for the boards
17087 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17088 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17089 for(j=0; j<MOVE_LEN; j++)
17090 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17091 for(j=0; j<2*MOVE_LEN; j++)
17092 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17093 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17094 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17095 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17096 pvInfoList[firstMove+i-1].depth = 0;
17097 commentList[framePtr+i] = commentList[firstMove+i];
17098 commentList[firstMove+i] = NULL;
17102 forwardMostMove = firstMove; // truncate game so we can start variation
17106 PushTail (int firstMove, int lastMove)
17108 if(appData.icsActive) { // only in local mode
17109 forwardMostMove = currentMove; // mimic old ICS behavior
17112 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17114 PushInner(firstMove, lastMove);
17115 if(storedGames == 1) GreyRevert(FALSE);
17116 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17120 PopInner (Boolean annotate)
17123 char buf[8000], moveBuf[20];
17125 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17126 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17127 nrMoves = savedLast[storedGames] - currentMove;
17130 if(!WhiteOnMove(currentMove))
17131 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17132 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17133 for(i=currentMove; i<forwardMostMove; i++) {
17135 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17136 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17137 strcat(buf, moveBuf);
17138 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17139 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17143 for(i=1; i<=nrMoves; i++) { // copy last variation back
17144 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17145 for(j=0; j<MOVE_LEN; j++)
17146 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17147 for(j=0; j<2*MOVE_LEN; j++)
17148 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17149 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17150 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17151 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17152 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17153 commentList[currentMove+i] = commentList[framePtr+i];
17154 commentList[framePtr+i] = NULL;
17156 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17157 framePtr = savedFramePtr[storedGames];
17158 gameInfo.result = savedResult[storedGames];
17159 if(gameInfo.resultDetails != NULL) {
17160 free(gameInfo.resultDetails);
17162 gameInfo.resultDetails = savedDetails[storedGames];
17163 forwardMostMove = currentMove + nrMoves;
17167 PopTail (Boolean annotate)
17169 if(appData.icsActive) return FALSE; // only in local mode
17170 if(!storedGames) return FALSE; // sanity
17171 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17173 PopInner(annotate);
17174 if(currentMove < forwardMostMove) ForwardEvent(); else
17175 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17177 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17183 { // remove all shelved variations
17185 for(i=0; i<storedGames; i++) {
17186 if(savedDetails[i])
17187 free(savedDetails[i]);
17188 savedDetails[i] = NULL;
17190 for(i=framePtr; i<MAX_MOVES; i++) {
17191 if(commentList[i]) free(commentList[i]);
17192 commentList[i] = NULL;
17194 framePtr = MAX_MOVES-1;
17199 LoadVariation (int index, char *text)
17200 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17201 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17202 int level = 0, move;
17204 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17205 // first find outermost bracketing variation
17206 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17207 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17208 if(*p == '{') wait = '}'; else
17209 if(*p == '[') wait = ']'; else
17210 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17211 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17213 if(*p == wait) wait = NULLCHAR; // closing ]} found
17216 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17217 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17218 end[1] = NULLCHAR; // clip off comment beyond variation
17219 ToNrEvent(currentMove-1);
17220 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17221 // kludge: use ParsePV() to append variation to game
17222 move = currentMove;
17223 ParsePV(start, TRUE, TRUE);
17224 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17225 ClearPremoveHighlights();
17227 ToNrEvent(currentMove+1);