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 SendToICS P((char *s));
156 void SendToICSDelayed P((char *s, long msdelay));
157 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
158 void HandleMachineMove P((char *message, ChessProgramState *cps));
159 int AutoPlayOneMove P((void));
160 int LoadGameOneMove P((ChessMove readAhead));
161 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
162 int LoadPositionFromFile P((char *filename, int n, char *title));
163 int SavePositionToFile P((char *filename));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 int ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 int RegisterMove P((void));
199 void MakeRegisteredMove P((void));
200 void TruncateGame P((void));
201 int looking_at P((char *, int *, char *));
202 void CopyPlayerNameIntoFileName P((char **, char *));
203 char *SavePart P((char *));
204 int SaveGameOldStyle P((FILE *));
205 int SaveGamePGN P((FILE *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps, int setup));
215 void OutputKibitz(int window, char *text);
216 int PerpetualChase(int first, int last);
217 int EngineOutputIsUp();
218 void InitDrawingSizes(int x, int y);
219 void NextMatchGame P((void));
220 int NextTourneyGame P((int nr, int *swap));
221 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
222 FILE *WriteTourneyFile P((char *results, FILE *f));
223 void DisplayTwoMachinesTitle P(());
224 static void ExcludeClick P((int index));
225 void ToggleSecond P((void));
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 enum ICS_TYPE 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 || !*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 board[HOLDINGS_SET] = 0;
2450 gameInfo.boardWidth = newWidth;
2451 gameInfo.boardHeight = newHeight;
2452 gameInfo.holdingsWidth = newHoldingsWidth;
2453 gameInfo.variant = newVariant;
2454 InitDrawingSizes(-2, 0);
2455 } else gameInfo.variant = newVariant;
2456 CopyBoard(oldBoard, board); // remember correctly formatted board
2457 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2458 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2461 static int loggedOn = FALSE;
2463 /*-- Game start info cache: --*/
2465 char gs_kind[MSG_SIZ];
2466 static char player1Name[128] = "";
2467 static char player2Name[128] = "";
2468 static char cont_seq[] = "\n\\ ";
2469 static int player1Rating = -1;
2470 static int player2Rating = -1;
2471 /*----------------------------*/
2473 ColorClass curColor = ColorNormal;
2474 int suppressKibitz = 0;
2477 Boolean soughtPending = FALSE;
2478 Boolean seekGraphUp;
2479 #define MAX_SEEK_ADS 200
2481 char *seekAdList[MAX_SEEK_ADS];
2482 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2483 float tcList[MAX_SEEK_ADS];
2484 char colorList[MAX_SEEK_ADS];
2485 int nrOfSeekAds = 0;
2486 int minRating = 1010, maxRating = 2800;
2487 int hMargin = 10, vMargin = 20, h, w;
2488 extern int squareSize, lineGap;
2493 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2494 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2495 if(r < minRating+100 && r >=0 ) r = minRating+100;
2496 if(r > maxRating) r = maxRating;
2497 if(tc < 1.f) tc = 1.f;
2498 if(tc > 95.f) tc = 95.f;
2499 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2500 y = ((double)r - minRating)/(maxRating - minRating)
2501 * (h-vMargin-squareSize/8-1) + vMargin;
2502 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2503 if(strstr(seekAdList[i], " u ")) color = 1;
2504 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2505 !strstr(seekAdList[i], "bullet") &&
2506 !strstr(seekAdList[i], "blitz") &&
2507 !strstr(seekAdList[i], "standard") ) color = 2;
2508 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2509 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2513 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2515 char buf[MSG_SIZ], *ext = "";
2516 VariantClass v = StringToVariant(type);
2517 if(strstr(type, "wild")) {
2518 ext = type + 4; // append wild number
2519 if(v == VariantFischeRandom) type = "chess960"; else
2520 if(v == VariantLoadable) type = "setup"; else
2521 type = VariantName(v);
2523 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2524 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2525 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2526 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2527 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2528 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2529 seekNrList[nrOfSeekAds] = nr;
2530 zList[nrOfSeekAds] = 0;
2531 seekAdList[nrOfSeekAds++] = StrSave(buf);
2532 if(plot) PlotSeekAd(nrOfSeekAds-1);
2537 EraseSeekDot (int i)
2539 int x = xList[i], y = yList[i], d=squareSize/4, k;
2540 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2541 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2542 // now replot every dot that overlapped
2543 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2544 int xx = xList[k], yy = yList[k];
2545 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2546 DrawSeekDot(xx, yy, colorList[k]);
2551 RemoveSeekAd (int nr)
2554 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2556 if(seekAdList[i]) free(seekAdList[i]);
2557 seekAdList[i] = seekAdList[--nrOfSeekAds];
2558 seekNrList[i] = seekNrList[nrOfSeekAds];
2559 ratingList[i] = ratingList[nrOfSeekAds];
2560 colorList[i] = colorList[nrOfSeekAds];
2561 tcList[i] = tcList[nrOfSeekAds];
2562 xList[i] = xList[nrOfSeekAds];
2563 yList[i] = yList[nrOfSeekAds];
2564 zList[i] = zList[nrOfSeekAds];
2565 seekAdList[nrOfSeekAds] = NULL;
2571 MatchSoughtLine (char *line)
2573 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2574 int nr, base, inc, u=0; char dummy;
2576 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2577 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2579 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2580 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2581 // match: compact and save the line
2582 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2592 if(!seekGraphUp) return FALSE;
2593 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2594 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2596 DrawSeekBackground(0, 0, w, h);
2597 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2598 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2599 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2600 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2602 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2605 snprintf(buf, MSG_SIZ, "%d", i);
2606 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2609 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2610 for(i=1; i<100; i+=(i<10?1:5)) {
2611 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2612 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2613 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2615 snprintf(buf, MSG_SIZ, "%d", i);
2616 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2619 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2624 SeekGraphClick (ClickType click, int x, int y, int moving)
2626 static int lastDown = 0, displayed = 0, lastSecond;
2627 if(y < 0) return FALSE;
2628 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2629 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2630 if(!seekGraphUp) return FALSE;
2631 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2632 DrawPosition(TRUE, NULL);
2635 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2636 if(click == Release || moving) return FALSE;
2638 soughtPending = TRUE;
2639 SendToICS(ics_prefix);
2640 SendToICS("sought\n"); // should this be "sought all"?
2641 } else { // issue challenge based on clicked ad
2642 int dist = 10000; int i, closest = 0, second = 0;
2643 for(i=0; i<nrOfSeekAds; i++) {
2644 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2645 if(d < dist) { dist = d; closest = i; }
2646 second += (d - zList[i] < 120); // count in-range ads
2647 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2651 second = (second > 1);
2652 if(displayed != closest || second != lastSecond) {
2653 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2654 lastSecond = second; displayed = closest;
2656 if(click == Press) {
2657 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2660 } // on press 'hit', only show info
2661 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2662 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2663 SendToICS(ics_prefix);
2665 return TRUE; // let incoming board of started game pop down the graph
2666 } else if(click == Release) { // release 'miss' is ignored
2667 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2668 if(moving == 2) { // right up-click
2669 nrOfSeekAds = 0; // refresh graph
2670 soughtPending = TRUE;
2671 SendToICS(ics_prefix);
2672 SendToICS("sought\n"); // should this be "sought all"?
2675 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2676 // press miss or release hit 'pop down' seek graph
2677 seekGraphUp = FALSE;
2678 DrawPosition(TRUE, NULL);
2684 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2686 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2687 #define STARTED_NONE 0
2688 #define STARTED_MOVES 1
2689 #define STARTED_BOARD 2
2690 #define STARTED_OBSERVE 3
2691 #define STARTED_HOLDINGS 4
2692 #define STARTED_CHATTER 5
2693 #define STARTED_COMMENT 6
2694 #define STARTED_MOVES_NOHIDE 7
2696 static int started = STARTED_NONE;
2697 static char parse[20000];
2698 static int parse_pos = 0;
2699 static char buf[BUF_SIZE + 1];
2700 static int firstTime = TRUE, intfSet = FALSE;
2701 static ColorClass prevColor = ColorNormal;
2702 static int savingComment = FALSE;
2703 static int cmatch = 0; // continuation sequence match
2710 int backup; /* [DM] For zippy color lines */
2712 char talker[MSG_SIZ]; // [HGM] chat
2715 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2717 if (appData.debugMode) {
2719 fprintf(debugFP, "<ICS: ");
2720 show_bytes(debugFP, data, count);
2721 fprintf(debugFP, "\n");
2725 if (appData.debugMode) { int f = forwardMostMove;
2726 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2727 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2728 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2731 /* If last read ended with a partial line that we couldn't parse,
2732 prepend it to the new read and try again. */
2733 if (leftover_len > 0) {
2734 for (i=0; i<leftover_len; i++)
2735 buf[i] = buf[leftover_start + i];
2738 /* copy new characters into the buffer */
2739 bp = buf + leftover_len;
2740 buf_len=leftover_len;
2741 for (i=0; i<count; i++)
2744 if (data[i] == '\r')
2747 // join lines split by ICS?
2748 if (!appData.noJoin)
2751 Joining just consists of finding matches against the
2752 continuation sequence, and discarding that sequence
2753 if found instead of copying it. So, until a match
2754 fails, there's nothing to do since it might be the
2755 complete sequence, and thus, something we don't want
2758 if (data[i] == cont_seq[cmatch])
2761 if (cmatch == strlen(cont_seq))
2763 cmatch = 0; // complete match. just reset the counter
2766 it's possible for the ICS to not include the space
2767 at the end of the last word, making our [correct]
2768 join operation fuse two separate words. the server
2769 does this when the space occurs at the width setting.
2771 if (!buf_len || buf[buf_len-1] != ' ')
2782 match failed, so we have to copy what matched before
2783 falling through and copying this character. In reality,
2784 this will only ever be just the newline character, but
2785 it doesn't hurt to be precise.
2787 strncpy(bp, cont_seq, cmatch);
2799 buf[buf_len] = NULLCHAR;
2800 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2805 while (i < buf_len) {
2806 /* Deal with part of the TELNET option negotiation
2807 protocol. We refuse to do anything beyond the
2808 defaults, except that we allow the WILL ECHO option,
2809 which ICS uses to turn off password echoing when we are
2810 directly connected to it. We reject this option
2811 if localLineEditing mode is on (always on in xboard)
2812 and we are talking to port 23, which might be a real
2813 telnet server that will try to keep WILL ECHO on permanently.
2815 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2816 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2817 unsigned char option;
2819 switch ((unsigned char) buf[++i]) {
2821 if (appData.debugMode)
2822 fprintf(debugFP, "\n<WILL ");
2823 switch (option = (unsigned char) buf[++i]) {
2825 if (appData.debugMode)
2826 fprintf(debugFP, "ECHO ");
2827 /* Reply only if this is a change, according
2828 to the protocol rules. */
2829 if (remoteEchoOption) break;
2830 if (appData.localLineEditing &&
2831 atoi(appData.icsPort) == TN_PORT) {
2832 TelnetRequest(TN_DONT, TN_ECHO);
2835 TelnetRequest(TN_DO, TN_ECHO);
2836 remoteEchoOption = TRUE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", option);
2842 /* Whatever this is, we don't want it. */
2843 TelnetRequest(TN_DONT, option);
2848 if (appData.debugMode)
2849 fprintf(debugFP, "\n<WONT ");
2850 switch (option = (unsigned char) buf[++i]) {
2852 if (appData.debugMode)
2853 fprintf(debugFP, "ECHO ");
2854 /* Reply only if this is a change, according
2855 to the protocol rules. */
2856 if (!remoteEchoOption) break;
2858 TelnetRequest(TN_DONT, TN_ECHO);
2859 remoteEchoOption = FALSE;
2862 if (appData.debugMode)
2863 fprintf(debugFP, "%d ", (unsigned char) option);
2864 /* Whatever this is, it must already be turned
2865 off, because we never agree to turn on
2866 anything non-default, so according to the
2867 protocol rules, we don't reply. */
2872 if (appData.debugMode)
2873 fprintf(debugFP, "\n<DO ");
2874 switch (option = (unsigned char) buf[++i]) {
2876 /* Whatever this is, we refuse to do it. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "%d ", option);
2879 TelnetRequest(TN_WONT, option);
2884 if (appData.debugMode)
2885 fprintf(debugFP, "\n<DONT ");
2886 switch (option = (unsigned char) buf[++i]) {
2888 if (appData.debugMode)
2889 fprintf(debugFP, "%d ", option);
2890 /* Whatever this is, we are already not doing
2891 it, because we never agree to do anything
2892 non-default, so according to the protocol
2893 rules, we don't reply. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "\n<IAC ");
2900 /* Doubled IAC; pass it through */
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2906 /* Drop all other telnet commands on the floor */
2909 if (oldi > next_out)
2910 SendToPlayer(&buf[next_out], oldi - next_out);
2916 /* OK, this at least will *usually* work */
2917 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2921 if (loggedOn && !intfSet) {
2922 if (ics_type == ICS_ICC) {
2923 snprintf(str, MSG_SIZ,
2924 "/set-quietly interface %s\n/set-quietly style 12\n",
2926 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2927 strcat(str, "/set-2 51 1\n/set seek 1\n");
2928 } else if (ics_type == ICS_CHESSNET) {
2929 snprintf(str, MSG_SIZ, "/style 12\n");
2931 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2932 strcat(str, programVersion);
2933 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2934 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2935 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2937 strcat(str, "$iset nohighlight 1\n");
2939 strcat(str, "$iset lock 1\n$style 12\n");
2942 NotifyFrontendLogin();
2946 if (started == STARTED_COMMENT) {
2947 /* Accumulate characters in comment */
2948 parse[parse_pos++] = buf[i];
2949 if (buf[i] == '\n') {
2950 parse[parse_pos] = NULLCHAR;
2951 if(chattingPartner>=0) {
2953 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2954 OutputChatMessage(chattingPartner, mess);
2955 chattingPartner = -1;
2956 next_out = i+1; // [HGM] suppress printing in ICS window
2958 if(!suppressKibitz) // [HGM] kibitz
2959 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2960 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2961 int nrDigit = 0, nrAlph = 0, j;
2962 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2963 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2964 parse[parse_pos] = NULLCHAR;
2965 // try to be smart: if it does not look like search info, it should go to
2966 // ICS interaction window after all, not to engine-output window.
2967 for(j=0; j<parse_pos; j++) { // count letters and digits
2968 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2969 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2970 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2972 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2973 int depth=0; float score;
2974 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2975 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2976 pvInfoList[forwardMostMove-1].depth = depth;
2977 pvInfoList[forwardMostMove-1].score = 100*score;
2979 OutputKibitz(suppressKibitz, parse);
2982 if(gameMode == IcsObserving) // restore original ICS messages
2983 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2985 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2986 SendToPlayer(tmp, strlen(tmp));
2988 next_out = i+1; // [HGM] suppress printing in ICS window
2990 started = STARTED_NONE;
2992 /* Don't match patterns against characters in comment */
2997 if (started == STARTED_CHATTER) {
2998 if (buf[i] != '\n') {
2999 /* Don't match patterns against characters in chatter */
3003 started = STARTED_NONE;
3004 if(suppressKibitz) next_out = i+1;
3007 /* Kludge to deal with rcmd protocol */
3008 if (firstTime && looking_at(buf, &i, "\001*")) {
3009 DisplayFatalError(&buf[1], 0, 1);
3015 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3018 if (appData.debugMode)
3019 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3023 ics_type = ICS_FICS;
3025 if (appData.debugMode)
3026 fprintf(debugFP, "ics_type %d\n", ics_type);
3029 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3030 ics_type = ICS_CHESSNET;
3032 if (appData.debugMode)
3033 fprintf(debugFP, "ics_type %d\n", ics_type);
3038 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3039 looking_at(buf, &i, "Logging you in as \"*\"") ||
3040 looking_at(buf, &i, "will be \"*\""))) {
3041 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3045 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3047 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3048 DisplayIcsInteractionTitle(buf);
3049 have_set_title = TRUE;
3052 /* skip finger notes */
3053 if (started == STARTED_NONE &&
3054 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3055 (buf[i] == '1' && buf[i+1] == '0')) &&
3056 buf[i+2] == ':' && buf[i+3] == ' ') {
3057 started = STARTED_CHATTER;
3063 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3064 if(appData.seekGraph) {
3065 if(soughtPending && MatchSoughtLine(buf+i)) {
3066 i = strstr(buf+i, "rated") - buf;
3067 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3068 next_out = leftover_start = i;
3069 started = STARTED_CHATTER;
3070 suppressKibitz = TRUE;
3073 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3074 && looking_at(buf, &i, "* ads displayed")) {
3075 soughtPending = FALSE;
3080 if(appData.autoRefresh) {
3081 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3082 int s = (ics_type == ICS_ICC); // ICC format differs
3084 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3085 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3086 looking_at(buf, &i, "*% "); // eat prompt
3087 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = i; // suppress
3092 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3093 char *p = star_match[0];
3095 if(seekGraphUp) RemoveSeekAd(atoi(p));
3096 while(*p && *p++ != ' '); // next
3098 looking_at(buf, &i, "*% "); // eat prompt
3099 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3106 /* skip formula vars */
3107 if (started == STARTED_NONE &&
3108 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3109 started = STARTED_CHATTER;
3114 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3115 if (appData.autoKibitz && started == STARTED_NONE &&
3116 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3117 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3118 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3119 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3120 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3121 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3122 suppressKibitz = TRUE;
3123 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3125 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3126 && (gameMode == IcsPlayingWhite)) ||
3127 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3128 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3129 started = STARTED_CHATTER; // own kibitz we simply discard
3131 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3132 parse_pos = 0; parse[0] = NULLCHAR;
3133 savingComment = TRUE;
3134 suppressKibitz = gameMode != IcsObserving ? 2 :
3135 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3139 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3140 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3141 && atoi(star_match[0])) {
3142 // suppress the acknowledgements of our own autoKibitz
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3145 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3146 SendToPlayer(star_match[0], strlen(star_match[0]));
3147 if(looking_at(buf, &i, "*% ")) // eat prompt
3148 suppressKibitz = FALSE;
3152 } // [HGM] kibitz: end of patch
3154 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3156 // [HGM] chat: intercept tells by users for which we have an open chat window
3158 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3159 looking_at(buf, &i, "* whispers:") ||
3160 looking_at(buf, &i, "* kibitzes:") ||
3161 looking_at(buf, &i, "* shouts:") ||
3162 looking_at(buf, &i, "* c-shouts:") ||
3163 looking_at(buf, &i, "--> * ") ||
3164 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3167 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3169 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3170 chattingPartner = -1;
3172 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3175 talker[0] = '['; strcat(talker, "] ");
3176 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3177 chattingPartner = p; break;
3180 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3181 for(p=0; p<MAX_CHAT; p++) {
3182 if(!strcmp("kibitzes", chatPartner[p])) {
3183 talker[0] = '['; strcat(talker, "] ");
3184 chattingPartner = p; break;
3187 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3188 for(p=0; p<MAX_CHAT; p++) {
3189 if(!strcmp("whispers", chatPartner[p])) {
3190 talker[0] = '['; strcat(talker, "] ");
3191 chattingPartner = p; break;
3194 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3195 if(buf[i-8] == '-' && buf[i-3] == 't')
3196 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3197 if(!strcmp("c-shouts", chatPartner[p])) {
3198 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3199 chattingPartner = p; break;
3202 if(chattingPartner < 0)
3203 for(p=0; p<MAX_CHAT; p++) {
3204 if(!strcmp("shouts", chatPartner[p])) {
3205 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3206 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3207 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3208 chattingPartner = p; break;
3212 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3213 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3214 talker[0] = 0; Colorize(ColorTell, FALSE);
3215 chattingPartner = p; break;
3217 if(chattingPartner<0) i = oldi; else {
3218 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3219 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 started = STARTED_COMMENT;
3222 parse_pos = 0; parse[0] = NULLCHAR;
3223 savingComment = 3 + chattingPartner; // counts as TRUE
3224 suppressKibitz = TRUE;
3227 } // [HGM] chat: end of patch
3230 if (appData.zippyTalk || appData.zippyPlay) {
3231 /* [DM] Backup address for color zippy lines */
3233 if (loggedOn == TRUE)
3234 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3235 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3237 } // [DM] 'else { ' deleted
3239 /* Regular tells and says */
3240 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3241 looking_at(buf, &i, "* (your partner) tells you: ") ||
3242 looking_at(buf, &i, "* says: ") ||
3243 /* Don't color "message" or "messages" output */
3244 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3245 looking_at(buf, &i, "*. * at *:*: ") ||
3246 looking_at(buf, &i, "--* (*:*): ") ||
3247 /* Message notifications (same color as tells) */
3248 looking_at(buf, &i, "* has left a message ") ||
3249 looking_at(buf, &i, "* just sent you a message:\n") ||
3250 /* Whispers and kibitzes */
3251 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3252 looking_at(buf, &i, "* kibitzes: ") ||
3254 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3256 if (tkind == 1 && strchr(star_match[0], ':')) {
3257 /* Avoid "tells you:" spoofs in channels */
3260 if (star_match[0][0] == NULLCHAR ||
3261 strchr(star_match[0], ' ') ||
3262 (tkind == 3 && strchr(star_match[1], ' '))) {
3263 /* Reject bogus matches */
3266 if (appData.colorize) {
3267 if (oldi > next_out) {
3268 SendToPlayer(&buf[next_out], oldi - next_out);
3273 Colorize(ColorTell, FALSE);
3274 curColor = ColorTell;
3277 Colorize(ColorKibitz, FALSE);
3278 curColor = ColorKibitz;
3281 p = strrchr(star_match[1], '(');
3288 Colorize(ColorChannel1, FALSE);
3289 curColor = ColorChannel1;
3291 Colorize(ColorChannel, FALSE);
3292 curColor = ColorChannel;
3296 curColor = ColorNormal;
3300 if (started == STARTED_NONE && appData.autoComment &&
3301 (gameMode == IcsObserving ||
3302 gameMode == IcsPlayingWhite ||
3303 gameMode == IcsPlayingBlack)) {
3304 parse_pos = i - oldi;
3305 memcpy(parse, &buf[oldi], parse_pos);
3306 parse[parse_pos] = NULLCHAR;
3307 started = STARTED_COMMENT;
3308 savingComment = TRUE;
3310 started = STARTED_CHATTER;
3311 savingComment = FALSE;
3318 if (looking_at(buf, &i, "* s-shouts: ") ||
3319 looking_at(buf, &i, "* c-shouts: ")) {
3320 if (appData.colorize) {
3321 if (oldi > next_out) {
3322 SendToPlayer(&buf[next_out], oldi - next_out);
3325 Colorize(ColorSShout, FALSE);
3326 curColor = ColorSShout;
3329 started = STARTED_CHATTER;
3333 if (looking_at(buf, &i, "--->")) {
3338 if (looking_at(buf, &i, "* shouts: ") ||
3339 looking_at(buf, &i, "--> ")) {
3340 if (appData.colorize) {
3341 if (oldi > next_out) {
3342 SendToPlayer(&buf[next_out], oldi - next_out);
3345 Colorize(ColorShout, FALSE);
3346 curColor = ColorShout;
3349 started = STARTED_CHATTER;
3353 if (looking_at( buf, &i, "Challenge:")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorChallenge, FALSE);
3360 curColor = ColorChallenge;
3366 if (looking_at(buf, &i, "* offers you") ||
3367 looking_at(buf, &i, "* offers to be") ||
3368 looking_at(buf, &i, "* would like to") ||
3369 looking_at(buf, &i, "* requests to") ||
3370 looking_at(buf, &i, "Your opponent offers") ||
3371 looking_at(buf, &i, "Your opponent requests")) {
3373 if (appData.colorize) {
3374 if (oldi > next_out) {
3375 SendToPlayer(&buf[next_out], oldi - next_out);
3378 Colorize(ColorRequest, FALSE);
3379 curColor = ColorRequest;
3384 if (looking_at(buf, &i, "* (*) seeking")) {
3385 if (appData.colorize) {
3386 if (oldi > next_out) {
3387 SendToPlayer(&buf[next_out], oldi - next_out);
3390 Colorize(ColorSeek, FALSE);
3391 curColor = ColorSeek;
3396 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3398 if (looking_at(buf, &i, "\\ ")) {
3399 if (prevColor != ColorNormal) {
3400 if (oldi > next_out) {
3401 SendToPlayer(&buf[next_out], oldi - next_out);
3404 Colorize(prevColor, TRUE);
3405 curColor = prevColor;
3407 if (savingComment) {
3408 parse_pos = i - oldi;
3409 memcpy(parse, &buf[oldi], parse_pos);
3410 parse[parse_pos] = NULLCHAR;
3411 started = STARTED_COMMENT;
3412 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3413 chattingPartner = savingComment - 3; // kludge to remember the box
3415 started = STARTED_CHATTER;
3420 if (looking_at(buf, &i, "Black Strength :") ||
3421 looking_at(buf, &i, "<<< style 10 board >>>") ||
3422 looking_at(buf, &i, "<10>") ||
3423 looking_at(buf, &i, "#@#")) {
3424 /* Wrong board style */
3426 SendToICS(ics_prefix);
3427 SendToICS("set style 12\n");
3428 SendToICS(ics_prefix);
3429 SendToICS("refresh\n");
3433 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3435 have_sent_ICS_logon = 1;
3439 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3440 (looking_at(buf, &i, "\n<12> ") ||
3441 looking_at(buf, &i, "<12> "))) {
3443 if (oldi > next_out) {
3444 SendToPlayer(&buf[next_out], oldi - next_out);
3447 started = STARTED_BOARD;
3452 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3453 looking_at(buf, &i, "<b1> ")) {
3454 if (oldi > next_out) {
3455 SendToPlayer(&buf[next_out], oldi - next_out);
3458 started = STARTED_HOLDINGS;
3463 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3465 /* Header for a move list -- first line */
3467 switch (ics_getting_history) {
3471 case BeginningOfGame:
3472 /* User typed "moves" or "oldmoves" while we
3473 were idle. Pretend we asked for these
3474 moves and soak them up so user can step
3475 through them and/or save them.
3478 gameMode = IcsObserving;
3481 ics_getting_history = H_GOT_UNREQ_HEADER;
3483 case EditGame: /*?*/
3484 case EditPosition: /*?*/
3485 /* Should above feature work in these modes too? */
3486 /* For now it doesn't */
3487 ics_getting_history = H_GOT_UNWANTED_HEADER;
3490 ics_getting_history = H_GOT_UNWANTED_HEADER;
3495 /* Is this the right one? */
3496 if (gameInfo.white && gameInfo.black &&
3497 strcmp(gameInfo.white, star_match[0]) == 0 &&
3498 strcmp(gameInfo.black, star_match[2]) == 0) {
3500 ics_getting_history = H_GOT_REQ_HEADER;
3503 case H_GOT_REQ_HEADER:
3504 case H_GOT_UNREQ_HEADER:
3505 case H_GOT_UNWANTED_HEADER:
3506 case H_GETTING_MOVES:
3507 /* Should not happen */
3508 DisplayError(_("Error gathering move list: two headers"), 0);
3509 ics_getting_history = H_FALSE;
3513 /* Save player ratings into gameInfo if needed */
3514 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3515 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3516 (gameInfo.whiteRating == -1 ||
3517 gameInfo.blackRating == -1)) {
3519 gameInfo.whiteRating = string_to_rating(star_match[1]);
3520 gameInfo.blackRating = string_to_rating(star_match[3]);
3521 if (appData.debugMode)
3522 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3523 gameInfo.whiteRating, gameInfo.blackRating);
3528 if (looking_at(buf, &i,
3529 "* * match, initial time: * minute*, increment: * second")) {
3530 /* Header for a move list -- second line */
3531 /* Initial board will follow if this is a wild game */
3532 if (gameInfo.event != NULL) free(gameInfo.event);
3533 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3534 gameInfo.event = StrSave(str);
3535 /* [HGM] we switched variant. Translate boards if needed. */
3536 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3540 if (looking_at(buf, &i, "Move ")) {
3541 /* Beginning of a move list */
3542 switch (ics_getting_history) {
3544 /* Normally should not happen */
3545 /* Maybe user hit reset while we were parsing */
3548 /* Happens if we are ignoring a move list that is not
3549 * the one we just requested. Common if the user
3550 * tries to observe two games without turning off
3553 case H_GETTING_MOVES:
3554 /* Should not happen */
3555 DisplayError(_("Error gathering move list: nested"), 0);
3556 ics_getting_history = H_FALSE;
3558 case H_GOT_REQ_HEADER:
3559 ics_getting_history = H_GETTING_MOVES;
3560 started = STARTED_MOVES;
3562 if (oldi > next_out) {
3563 SendToPlayer(&buf[next_out], oldi - next_out);
3566 case H_GOT_UNREQ_HEADER:
3567 ics_getting_history = H_GETTING_MOVES;
3568 started = STARTED_MOVES_NOHIDE;
3571 case H_GOT_UNWANTED_HEADER:
3572 ics_getting_history = H_FALSE;
3578 if (looking_at(buf, &i, "% ") ||
3579 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3580 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3581 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3582 soughtPending = FALSE;
3586 if(suppressKibitz) next_out = i;
3587 savingComment = FALSE;
3591 case STARTED_MOVES_NOHIDE:
3592 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3593 parse[parse_pos + i - oldi] = NULLCHAR;
3594 ParseGameHistory(parse);
3596 if (appData.zippyPlay && first.initDone) {
3597 FeedMovesToProgram(&first, forwardMostMove);
3598 if (gameMode == IcsPlayingWhite) {
3599 if (WhiteOnMove(forwardMostMove)) {
3600 if (first.sendTime) {
3601 if (first.useColors) {
3602 SendToProgram("black\n", &first);
3604 SendTimeRemaining(&first, TRUE);
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3609 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3610 first.maybeThinking = TRUE;
3612 if (first.usePlayother) {
3613 if (first.sendTime) {
3614 SendTimeRemaining(&first, TRUE);
3616 SendToProgram("playother\n", &first);
3622 } else if (gameMode == IcsPlayingBlack) {
3623 if (!WhiteOnMove(forwardMostMove)) {
3624 if (first.sendTime) {
3625 if (first.useColors) {
3626 SendToProgram("white\n", &first);
3628 SendTimeRemaining(&first, FALSE);
3630 if (first.useColors) {
3631 SendToProgram("black\n", &first);
3633 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3634 first.maybeThinking = TRUE;
3636 if (first.usePlayother) {
3637 if (first.sendTime) {
3638 SendTimeRemaining(&first, FALSE);
3640 SendToProgram("playother\n", &first);
3649 if (gameMode == IcsObserving && ics_gamenum == -1) {
3650 /* Moves came from oldmoves or moves command
3651 while we weren't doing anything else.
3653 currentMove = forwardMostMove;
3654 ClearHighlights();/*!!could figure this out*/
3655 flipView = appData.flipView;
3656 DrawPosition(TRUE, boards[currentMove]);
3657 DisplayBothClocks();
3658 snprintf(str, MSG_SIZ, "%s %s %s",
3659 gameInfo.white, _("vs."), gameInfo.black);
3663 /* Moves were history of an active game */
3664 if (gameInfo.resultDetails != NULL) {
3665 free(gameInfo.resultDetails);
3666 gameInfo.resultDetails = NULL;
3669 HistorySet(parseList, backwardMostMove,
3670 forwardMostMove, currentMove-1);
3671 DisplayMove(currentMove - 1);
3672 if (started == STARTED_MOVES) next_out = i;
3673 started = STARTED_NONE;
3674 ics_getting_history = H_FALSE;
3677 case STARTED_OBSERVE:
3678 started = STARTED_NONE;
3679 SendToICS(ics_prefix);
3680 SendToICS("refresh\n");
3686 if(bookHit) { // [HGM] book: simulate book reply
3687 static char bookMove[MSG_SIZ]; // a bit generous?
3689 programStats.nodes = programStats.depth = programStats.time =
3690 programStats.score = programStats.got_only_move = 0;
3691 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3693 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3694 strcat(bookMove, bookHit);
3695 HandleMachineMove(bookMove, &first);
3700 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3701 started == STARTED_HOLDINGS ||
3702 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3703 /* Accumulate characters in move list or board */
3704 parse[parse_pos++] = buf[i];
3707 /* Start of game messages. Mostly we detect start of game
3708 when the first board image arrives. On some versions
3709 of the ICS, though, we need to do a "refresh" after starting
3710 to observe in order to get the current board right away. */
3711 if (looking_at(buf, &i, "Adding game * to observation list")) {
3712 started = STARTED_OBSERVE;
3716 /* Handle auto-observe */
3717 if (appData.autoObserve &&
3718 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3719 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3721 /* Choose the player that was highlighted, if any. */
3722 if (star_match[0][0] == '\033' ||
3723 star_match[1][0] != '\033') {
3724 player = star_match[0];
3726 player = star_match[2];
3728 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3729 ics_prefix, StripHighlightAndTitle(player));
3732 /* Save ratings from notify string */
3733 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3734 player1Rating = string_to_rating(star_match[1]);
3735 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3736 player2Rating = string_to_rating(star_match[3]);
3738 if (appData.debugMode)
3740 "Ratings from 'Game notification:' %s %d, %s %d\n",
3741 player1Name, player1Rating,
3742 player2Name, player2Rating);
3747 /* Deal with automatic examine mode after a game,
3748 and with IcsObserving -> IcsExamining transition */
3749 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3750 looking_at(buf, &i, "has made you an examiner of game *")) {
3752 int gamenum = atoi(star_match[0]);
3753 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3754 gamenum == ics_gamenum) {
3755 /* We were already playing or observing this game;
3756 no need to refetch history */
3757 gameMode = IcsExamining;
3759 pauseExamForwardMostMove = forwardMostMove;
3760 } else if (currentMove < forwardMostMove) {
3761 ForwardInner(forwardMostMove);
3764 /* I don't think this case really can happen */
3765 SendToICS(ics_prefix);
3766 SendToICS("refresh\n");
3771 /* Error messages */
3772 // if (ics_user_moved) {
3773 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3774 if (looking_at(buf, &i, "Illegal move") ||
3775 looking_at(buf, &i, "Not a legal move") ||
3776 looking_at(buf, &i, "Your king is in check") ||
3777 looking_at(buf, &i, "It isn't your turn") ||
3778 looking_at(buf, &i, "It is not your move")) {
3780 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3781 currentMove = forwardMostMove-1;
3782 DisplayMove(currentMove - 1); /* before DMError */
3783 DrawPosition(FALSE, boards[currentMove]);
3784 SwitchClocks(forwardMostMove-1); // [HGM] race
3785 DisplayBothClocks();
3787 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3793 if (looking_at(buf, &i, "still have time") ||
3794 looking_at(buf, &i, "not out of time") ||
3795 looking_at(buf, &i, "either player is out of time") ||
3796 looking_at(buf, &i, "has timeseal; checking")) {
3797 /* We must have called his flag a little too soon */
3798 whiteFlag = blackFlag = FALSE;
3802 if (looking_at(buf, &i, "added * seconds to") ||
3803 looking_at(buf, &i, "seconds were added to")) {
3804 /* Update the clocks */
3805 SendToICS(ics_prefix);
3806 SendToICS("refresh\n");
3810 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3811 ics_clock_paused = TRUE;
3816 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3817 ics_clock_paused = FALSE;
3822 /* Grab player ratings from the Creating: message.
3823 Note we have to check for the special case when
3824 the ICS inserts things like [white] or [black]. */
3825 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3826 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3828 0 player 1 name (not necessarily white)
3830 2 empty, white, or black (IGNORED)
3831 3 player 2 name (not necessarily black)
3834 The names/ratings are sorted out when the game
3835 actually starts (below).
3837 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3838 player1Rating = string_to_rating(star_match[1]);
3839 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3840 player2Rating = string_to_rating(star_match[4]);
3842 if (appData.debugMode)
3844 "Ratings from 'Creating:' %s %d, %s %d\n",
3845 player1Name, player1Rating,
3846 player2Name, player2Rating);
3851 /* Improved generic start/end-of-game messages */
3852 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3853 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3854 /* If tkind == 0: */
3855 /* star_match[0] is the game number */
3856 /* [1] is the white player's name */
3857 /* [2] is the black player's name */
3858 /* For end-of-game: */
3859 /* [3] is the reason for the game end */
3860 /* [4] is a PGN end game-token, preceded by " " */
3861 /* For start-of-game: */
3862 /* [3] begins with "Creating" or "Continuing" */
3863 /* [4] is " *" or empty (don't care). */
3864 int gamenum = atoi(star_match[0]);
3865 char *whitename, *blackname, *why, *endtoken;
3866 ChessMove endtype = EndOfFile;
3869 whitename = star_match[1];
3870 blackname = star_match[2];
3871 why = star_match[3];
3872 endtoken = star_match[4];
3874 whitename = star_match[1];
3875 blackname = star_match[3];
3876 why = star_match[5];
3877 endtoken = star_match[6];
3880 /* Game start messages */
3881 if (strncmp(why, "Creating ", 9) == 0 ||
3882 strncmp(why, "Continuing ", 11) == 0) {
3883 gs_gamenum = gamenum;
3884 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3885 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3886 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3888 if (appData.zippyPlay) {
3889 ZippyGameStart(whitename, blackname);
3892 partnerBoardValid = FALSE; // [HGM] bughouse
3896 /* Game end messages */
3897 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3898 ics_gamenum != gamenum) {
3901 while (endtoken[0] == ' ') endtoken++;
3902 switch (endtoken[0]) {
3905 endtype = GameUnfinished;
3908 endtype = BlackWins;
3911 if (endtoken[1] == '/')
3912 endtype = GameIsDrawn;
3914 endtype = WhiteWins;
3917 GameEnds(endtype, why, GE_ICS);
3919 if (appData.zippyPlay && first.initDone) {
3920 ZippyGameEnd(endtype, why);
3921 if (first.pr == NoProc) {
3922 /* Start the next process early so that we'll
3923 be ready for the next challenge */
3924 StartChessProgram(&first);
3926 /* Send "new" early, in case this command takes
3927 a long time to finish, so that we'll be ready
3928 for the next challenge. */
3929 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3933 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3937 if (looking_at(buf, &i, "Removing game * from observation") ||
3938 looking_at(buf, &i, "no longer observing game *") ||
3939 looking_at(buf, &i, "Game * (*) has no examiners")) {
3940 if (gameMode == IcsObserving &&
3941 atoi(star_match[0]) == ics_gamenum)
3943 /* icsEngineAnalyze */
3944 if (appData.icsEngineAnalyze) {
3951 ics_user_moved = FALSE;
3956 if (looking_at(buf, &i, "no longer examining game *")) {
3957 if (gameMode == IcsExamining &&
3958 atoi(star_match[0]) == ics_gamenum)
3962 ics_user_moved = FALSE;
3967 /* Advance leftover_start past any newlines we find,
3968 so only partial lines can get reparsed */
3969 if (looking_at(buf, &i, "\n")) {
3970 prevColor = curColor;
3971 if (curColor != ColorNormal) {
3972 if (oldi > next_out) {
3973 SendToPlayer(&buf[next_out], oldi - next_out);
3976 Colorize(ColorNormal, FALSE);
3977 curColor = ColorNormal;
3979 if (started == STARTED_BOARD) {
3980 started = STARTED_NONE;
3981 parse[parse_pos] = NULLCHAR;
3982 ParseBoard12(parse);
3985 /* Send premove here */
3986 if (appData.premove) {
3988 if (currentMove == 0 &&
3989 gameMode == IcsPlayingWhite &&
3990 appData.premoveWhite) {
3991 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3992 if (appData.debugMode)
3993 fprintf(debugFP, "Sending premove:\n");
3995 } else if (currentMove == 1 &&
3996 gameMode == IcsPlayingBlack &&
3997 appData.premoveBlack) {
3998 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3999 if (appData.debugMode)
4000 fprintf(debugFP, "Sending premove:\n");
4002 } else if (gotPremove) {
4004 ClearPremoveHighlights();
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Sending premove:\n");
4007 UserMoveEvent(premoveFromX, premoveFromY,
4008 premoveToX, premoveToY,
4013 /* Usually suppress following prompt */
4014 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4015 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4016 if (looking_at(buf, &i, "*% ")) {
4017 savingComment = FALSE;
4022 } else if (started == STARTED_HOLDINGS) {
4024 char new_piece[MSG_SIZ];
4025 started = STARTED_NONE;
4026 parse[parse_pos] = NULLCHAR;
4027 if (appData.debugMode)
4028 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4029 parse, currentMove);
4030 if (sscanf(parse, " game %d", &gamenum) == 1) {
4031 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4032 if (gameInfo.variant == VariantNormal) {
4033 /* [HGM] We seem to switch variant during a game!
4034 * Presumably no holdings were displayed, so we have
4035 * to move the position two files to the right to
4036 * create room for them!
4038 VariantClass newVariant;
4039 switch(gameInfo.boardWidth) { // base guess on board width
4040 case 9: newVariant = VariantShogi; break;
4041 case 10: newVariant = VariantGreat; break;
4042 default: newVariant = VariantCrazyhouse; break;
4044 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4045 /* Get a move list just to see the header, which
4046 will tell us whether this is really bug or zh */
4047 if (ics_getting_history == H_FALSE) {
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 new_piece[0] = NULLCHAR;
4054 sscanf(parse, "game %d white [%s black [%s <- %s",
4055 &gamenum, white_holding, black_holding,
4057 white_holding[strlen(white_holding)-1] = NULLCHAR;
4058 black_holding[strlen(black_holding)-1] = NULLCHAR;
4059 /* [HGM] copy holdings to board holdings area */
4060 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4061 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4062 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4064 if (appData.zippyPlay && first.initDone) {
4065 ZippyHoldings(white_holding, black_holding,
4069 if (tinyLayout || smallLayout) {
4070 char wh[16], bh[16];
4071 PackHolding(wh, white_holding);
4072 PackHolding(bh, black_holding);
4073 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4074 gameInfo.white, gameInfo.black);
4076 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4077 gameInfo.white, white_holding, _("vs."),
4078 gameInfo.black, black_holding);
4080 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4081 DrawPosition(FALSE, boards[currentMove]);
4083 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4084 sscanf(parse, "game %d white [%s black [%s <- %s",
4085 &gamenum, white_holding, black_holding,
4087 white_holding[strlen(white_holding)-1] = NULLCHAR;
4088 black_holding[strlen(black_holding)-1] = NULLCHAR;
4089 /* [HGM] copy holdings to partner-board holdings area */
4090 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4091 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4092 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4093 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4094 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4097 /* Suppress following prompt */
4098 if (looking_at(buf, &i, "*% ")) {
4099 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4100 savingComment = FALSE;
4108 i++; /* skip unparsed character and loop back */
4111 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4112 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4113 // SendToPlayer(&buf[next_out], i - next_out);
4114 started != STARTED_HOLDINGS && leftover_start > next_out) {
4115 SendToPlayer(&buf[next_out], leftover_start - next_out);
4119 leftover_len = buf_len - leftover_start;
4120 /* if buffer ends with something we couldn't parse,
4121 reparse it after appending the next read */
4123 } else if (count == 0) {
4124 RemoveInputSource(isr);
4125 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4127 DisplayFatalError(_("Error reading from ICS"), error, 1);
4132 /* Board style 12 looks like this:
4134 <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
4136 * The "<12> " is stripped before it gets to this routine. The two
4137 * trailing 0's (flip state and clock ticking) are later addition, and
4138 * some chess servers may not have them, or may have only the first.
4139 * Additional trailing fields may be added in the future.
4142 #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"
4144 #define RELATION_OBSERVING_PLAYED 0
4145 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4146 #define RELATION_PLAYING_MYMOVE 1
4147 #define RELATION_PLAYING_NOTMYMOVE -1
4148 #define RELATION_EXAMINING 2
4149 #define RELATION_ISOLATED_BOARD -3
4150 #define RELATION_STARTING_POSITION -4 /* FICS only */
4153 ParseBoard12 (char *string)
4155 GameMode newGameMode;
4156 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4157 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4158 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4159 char to_play, board_chars[200];
4160 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4161 char black[32], white[32];
4163 int prevMove = currentMove;
4166 int fromX, fromY, toX, toY;
4168 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4169 char *bookHit = NULL; // [HGM] book
4170 Boolean weird = FALSE, reqFlag = FALSE;
4172 fromX = fromY = toX = toY = -1;
4176 if (appData.debugMode)
4177 fprintf(debugFP, _("Parsing board: %s\n"), string);
4179 move_str[0] = NULLCHAR;
4180 elapsed_time[0] = NULLCHAR;
4181 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4183 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4184 if(string[i] == ' ') { ranks++; files = 0; }
4186 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4189 for(j = 0; j <i; j++) board_chars[j] = string[j];
4190 board_chars[i] = '\0';
4193 n = sscanf(string, PATTERN, &to_play, &double_push,
4194 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4195 &gamenum, white, black, &relation, &basetime, &increment,
4196 &white_stren, &black_stren, &white_time, &black_time,
4197 &moveNum, str, elapsed_time, move_str, &ics_flip,
4201 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4202 DisplayError(str, 0);
4206 /* Convert the move number to internal form */
4207 moveNum = (moveNum - 1) * 2;
4208 if (to_play == 'B') moveNum++;
4209 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4210 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4216 case RELATION_OBSERVING_PLAYED:
4217 case RELATION_OBSERVING_STATIC:
4218 if (gamenum == -1) {
4219 /* Old ICC buglet */
4220 relation = RELATION_OBSERVING_STATIC;
4222 newGameMode = IcsObserving;
4224 case RELATION_PLAYING_MYMOVE:
4225 case RELATION_PLAYING_NOTMYMOVE:
4227 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4228 IcsPlayingWhite : IcsPlayingBlack;
4229 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4231 case RELATION_EXAMINING:
4232 newGameMode = IcsExamining;
4234 case RELATION_ISOLATED_BOARD:
4236 /* Just display this board. If user was doing something else,
4237 we will forget about it until the next board comes. */
4238 newGameMode = IcsIdle;
4240 case RELATION_STARTING_POSITION:
4241 newGameMode = gameMode;
4245 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4246 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4247 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4248 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4249 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4250 static int lastBgGame = -1;
4252 for (k = 0; k < ranks; k++) {
4253 for (j = 0; j < files; j++)
4254 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4255 if(gameInfo.holdingsWidth > 1) {
4256 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4257 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4260 CopyBoard(partnerBoard, board);
4261 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4262 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4263 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4264 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4265 if(toSqr = strchr(str, '-')) {
4266 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4267 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4268 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4269 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4270 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4271 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4273 DisplayWhiteClock(white_time*fac, to_play == 'W');
4274 DisplayBlackClock(black_time*fac, to_play != 'W');
4275 activePartner = to_play;
4276 if(gamenum != lastBgGame) {
4278 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4281 lastBgGame = gamenum;
4282 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4283 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4284 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4285 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4286 DisplayMessage(partnerStatus, "");
4287 partnerBoardValid = TRUE;
4291 if(appData.dualBoard && appData.bgObserve) {
4292 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4293 SendToICS(ics_prefix), SendToICS("pobserve\n");
4294 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4296 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4301 /* Modify behavior for initial board display on move listing
4304 switch (ics_getting_history) {
4308 case H_GOT_REQ_HEADER:
4309 case H_GOT_UNREQ_HEADER:
4310 /* This is the initial position of the current game */
4311 gamenum = ics_gamenum;
4312 moveNum = 0; /* old ICS bug workaround */
4313 if (to_play == 'B') {
4314 startedFromSetupPosition = TRUE;
4315 blackPlaysFirst = TRUE;
4317 if (forwardMostMove == 0) forwardMostMove = 1;
4318 if (backwardMostMove == 0) backwardMostMove = 1;
4319 if (currentMove == 0) currentMove = 1;
4321 newGameMode = gameMode;
4322 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4324 case H_GOT_UNWANTED_HEADER:
4325 /* This is an initial board that we don't want */
4327 case H_GETTING_MOVES:
4328 /* Should not happen */
4329 DisplayError(_("Error gathering move list: extra board"), 0);
4330 ics_getting_history = H_FALSE;
4334 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4335 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4336 weird && (int)gameInfo.variant < (int)VariantShogi) {
4337 /* [HGM] We seem to have switched variant unexpectedly
4338 * Try to guess new variant from board size
4340 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4341 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4342 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4343 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4344 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4345 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4346 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4347 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4348 /* Get a move list just to see the header, which
4349 will tell us whether this is really bug or zh */
4350 if (ics_getting_history == H_FALSE) {
4351 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4352 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4357 /* Take action if this is the first board of a new game, or of a
4358 different game than is currently being displayed. */
4359 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4360 relation == RELATION_ISOLATED_BOARD) {
4362 /* Forget the old game and get the history (if any) of the new one */
4363 if (gameMode != BeginningOfGame) {
4367 if (appData.autoRaiseBoard) BoardToTop();
4369 if (gamenum == -1) {
4370 newGameMode = IcsIdle;
4371 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4372 appData.getMoveList && !reqFlag) {
4373 /* Need to get game history */
4374 ics_getting_history = H_REQUESTED;
4375 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4379 /* Initially flip the board to have black on the bottom if playing
4380 black or if the ICS flip flag is set, but let the user change
4381 it with the Flip View button. */
4382 flipView = appData.autoFlipView ?
4383 (newGameMode == IcsPlayingBlack) || ics_flip :
4386 /* Done with values from previous mode; copy in new ones */
4387 gameMode = newGameMode;
4389 ics_gamenum = gamenum;
4390 if (gamenum == gs_gamenum) {
4391 int klen = strlen(gs_kind);
4392 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4393 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4394 gameInfo.event = StrSave(str);
4396 gameInfo.event = StrSave("ICS game");
4398 gameInfo.site = StrSave(appData.icsHost);
4399 gameInfo.date = PGNDate();
4400 gameInfo.round = StrSave("-");
4401 gameInfo.white = StrSave(white);
4402 gameInfo.black = StrSave(black);
4403 timeControl = basetime * 60 * 1000;
4405 timeIncrement = increment * 1000;
4406 movesPerSession = 0;
4407 gameInfo.timeControl = TimeControlTagValue();
4408 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4409 if (appData.debugMode) {
4410 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4411 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4412 setbuf(debugFP, NULL);
4415 gameInfo.outOfBook = NULL;
4417 /* Do we have the ratings? */
4418 if (strcmp(player1Name, white) == 0 &&
4419 strcmp(player2Name, black) == 0) {
4420 if (appData.debugMode)
4421 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4422 player1Rating, player2Rating);
4423 gameInfo.whiteRating = player1Rating;
4424 gameInfo.blackRating = player2Rating;
4425 } else if (strcmp(player2Name, white) == 0 &&
4426 strcmp(player1Name, black) == 0) {
4427 if (appData.debugMode)
4428 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4429 player2Rating, player1Rating);
4430 gameInfo.whiteRating = player2Rating;
4431 gameInfo.blackRating = player1Rating;
4433 player1Name[0] = player2Name[0] = NULLCHAR;
4435 /* Silence shouts if requested */
4436 if (appData.quietPlay &&
4437 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4438 SendToICS(ics_prefix);
4439 SendToICS("set shout 0\n");
4443 /* Deal with midgame name changes */
4445 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4446 if (gameInfo.white) free(gameInfo.white);
4447 gameInfo.white = StrSave(white);
4449 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4450 if (gameInfo.black) free(gameInfo.black);
4451 gameInfo.black = StrSave(black);
4455 /* Throw away game result if anything actually changes in examine mode */
4456 if (gameMode == IcsExamining && !newGame) {
4457 gameInfo.result = GameUnfinished;
4458 if (gameInfo.resultDetails != NULL) {
4459 free(gameInfo.resultDetails);
4460 gameInfo.resultDetails = NULL;
4464 /* In pausing && IcsExamining mode, we ignore boards coming
4465 in if they are in a different variation than we are. */
4466 if (pauseExamInvalid) return;
4467 if (pausing && gameMode == IcsExamining) {
4468 if (moveNum <= pauseExamForwardMostMove) {
4469 pauseExamInvalid = TRUE;
4470 forwardMostMove = pauseExamForwardMostMove;
4475 if (appData.debugMode) {
4476 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4478 /* Parse the board */
4479 for (k = 0; k < ranks; k++) {
4480 for (j = 0; j < files; j++)
4481 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4482 if(gameInfo.holdingsWidth > 1) {
4483 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4484 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4487 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4488 board[5][BOARD_RGHT+1] = WhiteAngel;
4489 board[6][BOARD_RGHT+1] = WhiteMarshall;
4490 board[1][0] = BlackMarshall;
4491 board[2][0] = BlackAngel;
4492 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4494 CopyBoard(boards[moveNum], board);
4495 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4497 startedFromSetupPosition =
4498 !CompareBoards(board, initialPosition);
4499 if(startedFromSetupPosition)
4500 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4503 /* [HGM] Set castling rights. Take the outermost Rooks,
4504 to make it also work for FRC opening positions. Note that board12
4505 is really defective for later FRC positions, as it has no way to
4506 indicate which Rook can castle if they are on the same side of King.
4507 For the initial position we grant rights to the outermost Rooks,
4508 and remember thos rights, and we then copy them on positions
4509 later in an FRC game. This means WB might not recognize castlings with
4510 Rooks that have moved back to their original position as illegal,
4511 but in ICS mode that is not its job anyway.
4513 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4514 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4516 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4517 if(board[0][i] == WhiteRook) j = i;
4518 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4519 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4520 if(board[0][i] == WhiteRook) j = i;
4521 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4522 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4523 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4524 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4525 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4526 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4527 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4529 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4530 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4531 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4532 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4533 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4534 if(board[BOARD_HEIGHT-1][k] == bKing)
4535 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4536 if(gameInfo.variant == VariantTwoKings) {
4537 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4538 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4539 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4542 r = boards[moveNum][CASTLING][0] = initialRights[0];
4543 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4544 r = boards[moveNum][CASTLING][1] = initialRights[1];
4545 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4546 r = boards[moveNum][CASTLING][3] = initialRights[3];
4547 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4548 r = boards[moveNum][CASTLING][4] = initialRights[4];
4549 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4550 /* wildcastle kludge: always assume King has rights */
4551 r = boards[moveNum][CASTLING][2] = initialRights[2];
4552 r = boards[moveNum][CASTLING][5] = initialRights[5];
4554 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4555 boards[moveNum][EP_STATUS] = EP_NONE;
4556 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4557 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4558 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4561 if (ics_getting_history == H_GOT_REQ_HEADER ||
4562 ics_getting_history == H_GOT_UNREQ_HEADER) {
4563 /* This was an initial position from a move list, not
4564 the current position */
4568 /* Update currentMove and known move number limits */
4569 newMove = newGame || moveNum > forwardMostMove;
4572 forwardMostMove = backwardMostMove = currentMove = moveNum;
4573 if (gameMode == IcsExamining && moveNum == 0) {
4574 /* Workaround for ICS limitation: we are not told the wild
4575 type when starting to examine a game. But if we ask for
4576 the move list, the move list header will tell us */
4577 ics_getting_history = H_REQUESTED;
4578 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4581 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4582 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4584 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4585 /* [HGM] applied this also to an engine that is silently watching */
4586 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4587 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4588 gameInfo.variant == currentlyInitializedVariant) {
4589 takeback = forwardMostMove - moveNum;
4590 for (i = 0; i < takeback; i++) {
4591 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4592 SendToProgram("undo\n", &first);
4597 forwardMostMove = moveNum;
4598 if (!pausing || currentMove > forwardMostMove)
4599 currentMove = forwardMostMove;
4601 /* New part of history that is not contiguous with old part */
4602 if (pausing && gameMode == IcsExamining) {
4603 pauseExamInvalid = TRUE;
4604 forwardMostMove = pauseExamForwardMostMove;
4607 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4609 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4610 // [HGM] when we will receive the move list we now request, it will be
4611 // fed to the engine from the first move on. So if the engine is not
4612 // in the initial position now, bring it there.
4613 InitChessProgram(&first, 0);
4616 ics_getting_history = H_REQUESTED;
4617 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4620 forwardMostMove = backwardMostMove = currentMove = moveNum;
4623 /* Update the clocks */
4624 if (strchr(elapsed_time, '.')) {
4626 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4627 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4629 /* Time is in seconds */
4630 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4631 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4636 if (appData.zippyPlay && newGame &&
4637 gameMode != IcsObserving && gameMode != IcsIdle &&
4638 gameMode != IcsExamining)
4639 ZippyFirstBoard(moveNum, basetime, increment);
4642 /* Put the move on the move list, first converting
4643 to canonical algebraic form. */
4645 if (appData.debugMode) {
4646 if (appData.debugMode) { int f = forwardMostMove;
4647 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4648 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4649 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4651 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4652 fprintf(debugFP, "moveNum = %d\n", moveNum);
4653 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4654 setbuf(debugFP, NULL);
4656 if (moveNum <= backwardMostMove) {
4657 /* We don't know what the board looked like before
4659 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4660 strcat(parseList[moveNum - 1], " ");
4661 strcat(parseList[moveNum - 1], elapsed_time);
4662 moveList[moveNum - 1][0] = NULLCHAR;
4663 } else if (strcmp(move_str, "none") == 0) {
4664 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4665 /* Again, we don't know what the board looked like;
4666 this is really the start of the game. */
4667 parseList[moveNum - 1][0] = NULLCHAR;
4668 moveList[moveNum - 1][0] = NULLCHAR;
4669 backwardMostMove = moveNum;
4670 startedFromSetupPosition = TRUE;
4671 fromX = fromY = toX = toY = -1;
4673 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4674 // So we parse the long-algebraic move string in stead of the SAN move
4675 int valid; char buf[MSG_SIZ], *prom;
4677 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4678 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4679 // str looks something like "Q/a1-a2"; kill the slash
4681 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4682 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4683 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4684 strcat(buf, prom); // long move lacks promo specification!
4685 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4686 if(appData.debugMode)
4687 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4688 safeStrCpy(move_str, buf, MSG_SIZ);
4690 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4691 &fromX, &fromY, &toX, &toY, &promoChar)
4692 || ParseOneMove(buf, moveNum - 1, &moveType,
4693 &fromX, &fromY, &toX, &toY, &promoChar);
4694 // end of long SAN patch
4696 (void) CoordsToAlgebraic(boards[moveNum - 1],
4697 PosFlags(moveNum - 1),
4698 fromY, fromX, toY, toX, promoChar,
4699 parseList[moveNum-1]);
4700 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4706 if(gameInfo.variant != VariantShogi)
4707 strcat(parseList[moveNum - 1], "+");
4710 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4711 strcat(parseList[moveNum - 1], "#");
4714 strcat(parseList[moveNum - 1], " ");
4715 strcat(parseList[moveNum - 1], elapsed_time);
4716 /* currentMoveString is set as a side-effect of ParseOneMove */
4717 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4718 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4719 strcat(moveList[moveNum - 1], "\n");
4721 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4722 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4723 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4724 ChessSquare old, new = boards[moveNum][k][j];
4725 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4726 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4727 if(old == new) continue;
4728 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4729 else if(new == WhiteWazir || new == BlackWazir) {
4730 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4731 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4732 else boards[moveNum][k][j] = old; // preserve type of Gold
4733 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4734 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4737 /* Move from ICS was illegal!? Punt. */
4738 if (appData.debugMode) {
4739 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4740 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4742 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4743 strcat(parseList[moveNum - 1], " ");
4744 strcat(parseList[moveNum - 1], elapsed_time);
4745 moveList[moveNum - 1][0] = NULLCHAR;
4746 fromX = fromY = toX = toY = -1;
4749 if (appData.debugMode) {
4750 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4751 setbuf(debugFP, NULL);
4755 /* Send move to chess program (BEFORE animating it). */
4756 if (appData.zippyPlay && !newGame && newMove &&
4757 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4759 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4760 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4761 if (moveList[moveNum - 1][0] == NULLCHAR) {
4762 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4764 DisplayError(str, 0);
4766 if (first.sendTime) {
4767 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4769 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4770 if (firstMove && !bookHit) {
4772 if (first.useColors) {
4773 SendToProgram(gameMode == IcsPlayingWhite ?
4775 "black\ngo\n", &first);
4777 SendToProgram("go\n", &first);
4779 first.maybeThinking = TRUE;
4782 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4783 if (moveList[moveNum - 1][0] == NULLCHAR) {
4784 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4785 DisplayError(str, 0);
4787 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4788 SendMoveToProgram(moveNum - 1, &first);
4795 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4796 /* If move comes from a remote source, animate it. If it
4797 isn't remote, it will have already been animated. */
4798 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4799 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4801 if (!pausing && appData.highlightLastMove) {
4802 SetHighlights(fromX, fromY, toX, toY);
4806 /* Start the clocks */
4807 whiteFlag = blackFlag = FALSE;
4808 appData.clockMode = !(basetime == 0 && increment == 0);
4810 ics_clock_paused = TRUE;
4812 } else if (ticking == 1) {
4813 ics_clock_paused = FALSE;
4815 if (gameMode == IcsIdle ||
4816 relation == RELATION_OBSERVING_STATIC ||
4817 relation == RELATION_EXAMINING ||
4819 DisplayBothClocks();
4823 /* Display opponents and material strengths */
4824 if (gameInfo.variant != VariantBughouse &&
4825 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4826 if (tinyLayout || smallLayout) {
4827 if(gameInfo.variant == VariantNormal)
4828 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4829 gameInfo.white, white_stren, gameInfo.black, black_stren,
4830 basetime, increment);
4832 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4833 gameInfo.white, white_stren, gameInfo.black, black_stren,
4834 basetime, increment, (int) gameInfo.variant);
4836 if(gameInfo.variant == VariantNormal)
4837 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4838 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4839 basetime, increment);
4841 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4842 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4843 basetime, increment, VariantName(gameInfo.variant));
4846 if (appData.debugMode) {
4847 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4852 /* Display the board */
4853 if (!pausing && !appData.noGUI) {
4855 if (appData.premove)
4857 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4858 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4859 ClearPremoveHighlights();
4861 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4862 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4863 DrawPosition(j, boards[currentMove]);
4865 DisplayMove(moveNum - 1);
4866 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4867 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4868 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4869 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4873 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4875 if(bookHit) { // [HGM] book: simulate book reply
4876 static char bookMove[MSG_SIZ]; // a bit generous?
4878 programStats.nodes = programStats.depth = programStats.time =
4879 programStats.score = programStats.got_only_move = 0;
4880 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4882 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4883 strcat(bookMove, bookHit);
4884 HandleMachineMove(bookMove, &first);
4893 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4894 ics_getting_history = H_REQUESTED;
4895 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4901 SendToBoth (char *msg)
4902 { // to make it easy to keep two engines in step in dual analysis
4903 SendToProgram(msg, &first);
4904 if(second.analyzing) SendToProgram(msg, &second);
4908 AnalysisPeriodicEvent (int force)
4910 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4911 && !force) || !appData.periodicUpdates)
4914 /* Send . command to Crafty to collect stats */
4917 /* Don't send another until we get a response (this makes
4918 us stop sending to old Crafty's which don't understand
4919 the "." command (sending illegal cmds resets node count & time,
4920 which looks bad)) */
4921 programStats.ok_to_send = 0;
4925 ics_update_width (int new_width)
4927 ics_printf("set width %d\n", new_width);
4931 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4935 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4936 // null move in variant where engine does not understand it (for analysis purposes)
4937 SendBoard(cps, moveNum + 1); // send position after move in stead.
4940 if (cps->useUsermove) {
4941 SendToProgram("usermove ", cps);
4945 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4946 int len = space - parseList[moveNum];
4947 memcpy(buf, parseList[moveNum], len);
4949 buf[len] = NULLCHAR;
4951 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4953 SendToProgram(buf, cps);
4955 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4956 AlphaRank(moveList[moveNum], 4);
4957 SendToProgram(moveList[moveNum], cps);
4958 AlphaRank(moveList[moveNum], 4); // and back
4960 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4961 * the engine. It would be nice to have a better way to identify castle
4963 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4964 && cps->useOOCastle) {
4965 int fromX = moveList[moveNum][0] - AAA;
4966 int fromY = moveList[moveNum][1] - ONE;
4967 int toX = moveList[moveNum][2] - AAA;
4968 int toY = moveList[moveNum][3] - ONE;
4969 if((boards[moveNum][fromY][fromX] == WhiteKing
4970 && boards[moveNum][toY][toX] == WhiteRook)
4971 || (boards[moveNum][fromY][fromX] == BlackKing
4972 && boards[moveNum][toY][toX] == BlackRook)) {
4973 if(toX > fromX) SendToProgram("O-O\n", cps);
4974 else SendToProgram("O-O-O\n", cps);
4976 else SendToProgram(moveList[moveNum], cps);
4978 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4979 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4980 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4981 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4982 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4984 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4985 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4986 SendToProgram(buf, cps);
4988 else SendToProgram(moveList[moveNum], cps);
4989 /* End of additions by Tord */
4992 /* [HGM] setting up the opening has brought engine in force mode! */
4993 /* Send 'go' if we are in a mode where machine should play. */
4994 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4995 (gameMode == TwoMachinesPlay ||
4997 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4999 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5000 SendToProgram("go\n", cps);
5001 if (appData.debugMode) {
5002 fprintf(debugFP, "(extra)\n");
5005 setboardSpoiledMachineBlack = 0;
5009 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5011 char user_move[MSG_SIZ];
5014 if(gameInfo.variant == VariantSChess && promoChar) {
5015 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5016 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5017 } else suffix[0] = NULLCHAR;
5021 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5022 (int)moveType, fromX, fromY, toX, toY);
5023 DisplayError(user_move + strlen("say "), 0);
5025 case WhiteKingSideCastle:
5026 case BlackKingSideCastle:
5027 case WhiteQueenSideCastleWild:
5028 case BlackQueenSideCastleWild:
5030 case WhiteHSideCastleFR:
5031 case BlackHSideCastleFR:
5033 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5035 case WhiteQueenSideCastle:
5036 case BlackQueenSideCastle:
5037 case WhiteKingSideCastleWild:
5038 case BlackKingSideCastleWild:
5040 case WhiteASideCastleFR:
5041 case BlackASideCastleFR:
5043 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5045 case WhiteNonPromotion:
5046 case BlackNonPromotion:
5047 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5049 case WhitePromotion:
5050 case BlackPromotion:
5051 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5052 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5053 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5054 PieceToChar(WhiteFerz));
5055 else if(gameInfo.variant == VariantGreat)
5056 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5057 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5058 PieceToChar(WhiteMan));
5060 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5061 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5067 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5068 ToUpper(PieceToChar((ChessSquare) fromX)),
5069 AAA + toX, ONE + toY);
5071 case IllegalMove: /* could be a variant we don't quite understand */
5072 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5074 case WhiteCapturesEnPassant:
5075 case BlackCapturesEnPassant:
5076 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5077 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5080 SendToICS(user_move);
5081 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5082 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5087 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5088 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5089 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5090 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5091 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5094 if(gameMode != IcsExamining) { // is this ever not the case?
5095 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5097 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5098 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5099 } else { // on FICS we must first go to general examine mode
5100 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5102 if(gameInfo.variant != VariantNormal) {
5103 // try figure out wild number, as xboard names are not always valid on ICS
5104 for(i=1; i<=36; i++) {
5105 snprintf(buf, MSG_SIZ, "wild/%d", i);
5106 if(StringToVariant(buf) == gameInfo.variant) break;
5108 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5109 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5110 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5111 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5112 SendToICS(ics_prefix);
5114 if(startedFromSetupPosition || backwardMostMove != 0) {
5115 fen = PositionToFEN(backwardMostMove, NULL);
5116 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5117 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5119 } else { // FICS: everything has to set by separate bsetup commands
5120 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5121 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5123 if(!WhiteOnMove(backwardMostMove)) {
5124 SendToICS("bsetup tomove black\n");
5126 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5127 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5129 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5130 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5132 i = boards[backwardMostMove][EP_STATUS];
5133 if(i >= 0) { // set e.p.
5134 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5140 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5141 SendToICS("bsetup done\n"); // switch to normal examining.
5143 for(i = backwardMostMove; i<last; i++) {
5145 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5146 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5147 int len = strlen(moveList[i]);
5148 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5149 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5153 SendToICS(ics_prefix);
5154 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5158 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5160 if (rf == DROP_RANK) {
5161 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5162 sprintf(move, "%c@%c%c\n",
5163 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5165 if (promoChar == 'x' || promoChar == NULLCHAR) {
5166 sprintf(move, "%c%c%c%c\n",
5167 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5169 sprintf(move, "%c%c%c%c%c\n",
5170 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5176 ProcessICSInitScript (FILE *f)
5180 while (fgets(buf, MSG_SIZ, f)) {
5181 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5188 static int lastX, lastY, selectFlag, dragging;
5193 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5194 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5195 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5196 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5197 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5198 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5201 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5202 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5203 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5204 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5205 if(!step) step = -1;
5206 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5207 appData.testLegality && (promoSweep == king ||
5208 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5210 int victim = boards[currentMove][toY][toX];
5211 boards[currentMove][toY][toX] = promoSweep;
5212 DrawPosition(FALSE, boards[currentMove]);
5213 boards[currentMove][toY][toX] = victim;
5215 ChangeDragPiece(promoSweep);
5219 PromoScroll (int x, int y)
5223 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5224 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5225 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5226 if(!step) return FALSE;
5227 lastX = x; lastY = y;
5228 if((promoSweep < BlackPawn) == flipView) step = -step;
5229 if(step > 0) selectFlag = 1;
5230 if(!selectFlag) Sweep(step);
5235 NextPiece (int step)
5237 ChessSquare piece = boards[currentMove][toY][toX];
5240 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5241 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5242 if(!step) step = -1;
5243 } while(PieceToChar(pieceSweep) == '.');
5244 boards[currentMove][toY][toX] = pieceSweep;
5245 DrawPosition(FALSE, boards[currentMove]);
5246 boards[currentMove][toY][toX] = piece;
5248 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5250 AlphaRank (char *move, int n)
5252 // char *p = move, c; int x, y;
5254 if (appData.debugMode) {
5255 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5259 move[2]>='0' && move[2]<='9' &&
5260 move[3]>='a' && move[3]<='x' ) {
5262 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5263 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5265 if(move[0]>='0' && move[0]<='9' &&
5266 move[1]>='a' && move[1]<='x' &&
5267 move[2]>='0' && move[2]<='9' &&
5268 move[3]>='a' && move[3]<='x' ) {
5269 /* input move, Shogi -> normal */
5270 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5271 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5272 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5273 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5276 move[3]>='0' && move[3]<='9' &&
5277 move[2]>='a' && move[2]<='x' ) {
5279 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5280 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5283 move[0]>='a' && move[0]<='x' &&
5284 move[3]>='0' && move[3]<='9' &&
5285 move[2]>='a' && move[2]<='x' ) {
5286 /* output move, normal -> Shogi */
5287 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5288 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5289 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5290 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5291 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5293 if (appData.debugMode) {
5294 fprintf(debugFP, " out = '%s'\n", move);
5298 char yy_textstr[8000];
5300 /* Parser for moves from gnuchess, ICS, or user typein box */
5302 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5304 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5306 switch (*moveType) {
5307 case WhitePromotion:
5308 case BlackPromotion:
5309 case WhiteNonPromotion:
5310 case BlackNonPromotion:
5312 case WhiteCapturesEnPassant:
5313 case BlackCapturesEnPassant:
5314 case WhiteKingSideCastle:
5315 case WhiteQueenSideCastle:
5316 case BlackKingSideCastle:
5317 case BlackQueenSideCastle:
5318 case WhiteKingSideCastleWild:
5319 case WhiteQueenSideCastleWild:
5320 case BlackKingSideCastleWild:
5321 case BlackQueenSideCastleWild:
5322 /* Code added by Tord: */
5323 case WhiteHSideCastleFR:
5324 case WhiteASideCastleFR:
5325 case BlackHSideCastleFR:
5326 case BlackASideCastleFR:
5327 /* End of code added by Tord */
5328 case IllegalMove: /* bug or odd chess variant */
5329 *fromX = currentMoveString[0] - AAA;
5330 *fromY = currentMoveString[1] - ONE;
5331 *toX = currentMoveString[2] - AAA;
5332 *toY = currentMoveString[3] - ONE;
5333 *promoChar = currentMoveString[4];
5334 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5335 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5336 if (appData.debugMode) {
5337 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5339 *fromX = *fromY = *toX = *toY = 0;
5342 if (appData.testLegality) {
5343 return (*moveType != IllegalMove);
5345 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5346 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5351 *fromX = *moveType == WhiteDrop ?
5352 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5353 (int) CharToPiece(ToLower(currentMoveString[0]));
5355 *toX = currentMoveString[2] - AAA;
5356 *toY = currentMoveString[3] - ONE;
5357 *promoChar = NULLCHAR;
5361 case ImpossibleMove:
5371 if (appData.debugMode) {
5372 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5375 *fromX = *fromY = *toX = *toY = 0;
5376 *promoChar = NULLCHAR;
5381 Boolean pushed = FALSE;
5382 char *lastParseAttempt;
5385 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5386 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5387 int fromX, fromY, toX, toY; char promoChar;
5392 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5393 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5396 endPV = forwardMostMove;
5398 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5399 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5400 lastParseAttempt = pv;
5401 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5402 if(!valid && nr == 0 &&
5403 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5404 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5405 // Hande case where played move is different from leading PV move
5406 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5407 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5408 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5409 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5410 endPV += 2; // if position different, keep this
5411 moveList[endPV-1][0] = fromX + AAA;
5412 moveList[endPV-1][1] = fromY + ONE;
5413 moveList[endPV-1][2] = toX + AAA;
5414 moveList[endPV-1][3] = toY + ONE;
5415 parseList[endPV-1][0] = NULLCHAR;
5416 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5419 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5420 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5421 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5422 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5423 valid++; // allow comments in PV
5427 if(endPV+1 > framePtr) break; // no space, truncate
5430 CopyBoard(boards[endPV], boards[endPV-1]);
5431 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5432 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5433 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5434 CoordsToAlgebraic(boards[endPV - 1],
5435 PosFlags(endPV - 1),
5436 fromY, fromX, toY, toX, promoChar,
5437 parseList[endPV - 1]);
5439 if(atEnd == 2) return; // used hidden, for PV conversion
5440 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5441 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5442 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5443 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5444 DrawPosition(TRUE, boards[currentMove]);
5448 MultiPV (ChessProgramState *cps)
5449 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5451 for(i=0; i<cps->nrOptions; i++)
5452 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5458 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5460 int startPV, multi, lineStart, origIndex = index;
5461 char *p, buf2[MSG_SIZ];
5462 ChessProgramState *cps = (pane ? &second : &first);
5464 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5465 lastX = x; lastY = y;
5466 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5467 lineStart = startPV = index;
5468 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5469 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5471 do{ while(buf[index] && buf[index] != '\n') index++;
5472 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5474 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5475 int n = cps->option[multi].value;
5476 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5477 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5478 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5479 cps->option[multi].value = n;
5482 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5483 ExcludeClick(origIndex - lineStart);
5486 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5487 *start = startPV; *end = index-1;
5494 static char buf[10*MSG_SIZ];
5495 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5497 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5498 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5499 for(i = forwardMostMove; i<endPV; i++){
5500 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5501 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5504 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5505 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5511 LoadPV (int x, int y)
5512 { // called on right mouse click to load PV
5513 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5514 lastX = x; lastY = y;
5515 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5522 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5523 if(endPV < 0) return;
5524 if(appData.autoCopyPV) CopyFENToClipboard();
5526 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5527 Boolean saveAnimate = appData.animate;
5529 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5530 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5531 } else storedGames--; // abandon shelved tail of original game
5534 forwardMostMove = currentMove;
5535 currentMove = oldFMM;
5536 appData.animate = FALSE;
5537 ToNrEvent(forwardMostMove);
5538 appData.animate = saveAnimate;
5540 currentMove = forwardMostMove;
5541 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5542 ClearPremoveHighlights();
5543 DrawPosition(TRUE, boards[currentMove]);
5547 MovePV (int x, int y, int h)
5548 { // step through PV based on mouse coordinates (called on mouse move)
5549 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5551 // we must somehow check if right button is still down (might be released off board!)
5552 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5553 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5554 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5556 lastX = x; lastY = y;
5558 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5559 if(endPV < 0) return;
5560 if(y < margin) step = 1; else
5561 if(y > h - margin) step = -1;
5562 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5563 currentMove += step;
5564 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5565 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5566 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5567 DrawPosition(FALSE, boards[currentMove]);
5571 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5572 // All positions will have equal probability, but the current method will not provide a unique
5573 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5579 int piecesLeft[(int)BlackPawn];
5580 int seed, nrOfShuffles;
5583 GetPositionNumber ()
5584 { // sets global variable seed
5587 seed = appData.defaultFrcPosition;
5588 if(seed < 0) { // randomize based on time for negative FRC position numbers
5589 for(i=0; i<50; i++) seed += random();
5590 seed = random() ^ random() >> 8 ^ random() << 8;
5591 if(seed<0) seed = -seed;
5596 put (Board board, int pieceType, int rank, int n, int shade)
5597 // put the piece on the (n-1)-th empty squares of the given shade
5601 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5602 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5603 board[rank][i] = (ChessSquare) pieceType;
5604 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5606 piecesLeft[pieceType]--;
5615 AddOnePiece (Board board, int pieceType, int rank, int shade)
5616 // calculate where the next piece goes, (any empty square), and put it there
5620 i = seed % squaresLeft[shade];
5621 nrOfShuffles *= squaresLeft[shade];
5622 seed /= squaresLeft[shade];
5623 put(board, pieceType, rank, i, shade);
5627 AddTwoPieces (Board board, int pieceType, int rank)
5628 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5630 int i, n=squaresLeft[ANY], j=n-1, k;
5632 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5633 i = seed % k; // pick one
5636 while(i >= j) i -= j--;
5637 j = n - 1 - j; i += j;
5638 put(board, pieceType, rank, j, ANY);
5639 put(board, pieceType, rank, i, ANY);
5643 SetUpShuffle (Board board, int number)
5647 GetPositionNumber(); nrOfShuffles = 1;
5649 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5650 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5651 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5653 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5655 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5656 p = (int) board[0][i];
5657 if(p < (int) BlackPawn) piecesLeft[p] ++;
5658 board[0][i] = EmptySquare;
5661 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5662 // shuffles restricted to allow normal castling put KRR first
5663 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5664 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5665 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5666 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5667 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5668 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5669 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5670 put(board, WhiteRook, 0, 0, ANY);
5671 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5674 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5675 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5676 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5677 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5678 while(piecesLeft[p] >= 2) {
5679 AddOnePiece(board, p, 0, LITE);
5680 AddOnePiece(board, p, 0, DARK);
5682 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5685 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5686 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5687 // but we leave King and Rooks for last, to possibly obey FRC restriction
5688 if(p == (int)WhiteRook) continue;
5689 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5690 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5693 // now everything is placed, except perhaps King (Unicorn) and Rooks
5695 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5696 // Last King gets castling rights
5697 while(piecesLeft[(int)WhiteUnicorn]) {
5698 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5699 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5702 while(piecesLeft[(int)WhiteKing]) {
5703 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5704 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5709 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5710 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5713 // Only Rooks can be left; simply place them all
5714 while(piecesLeft[(int)WhiteRook]) {
5715 i = put(board, WhiteRook, 0, 0, ANY);
5716 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5719 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5721 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5724 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5725 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5728 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5732 SetCharTable (char *table, const char * map)
5733 /* [HGM] moved here from winboard.c because of its general usefulness */
5734 /* Basically a safe strcpy that uses the last character as King */
5736 int result = FALSE; int NrPieces;
5738 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5739 && NrPieces >= 12 && !(NrPieces&1)) {
5740 int i; /* [HGM] Accept even length from 12 to 34 */
5742 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5743 for( i=0; i<NrPieces/2-1; i++ ) {
5745 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5747 table[(int) WhiteKing] = map[NrPieces/2-1];
5748 table[(int) BlackKing] = map[NrPieces-1];
5757 Prelude (Board board)
5758 { // [HGM] superchess: random selection of exo-pieces
5759 int i, j, k; ChessSquare p;
5760 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5762 GetPositionNumber(); // use FRC position number
5764 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5765 SetCharTable(pieceToChar, appData.pieceToCharTable);
5766 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5767 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5770 j = seed%4; seed /= 4;
5771 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5772 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5773 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5774 j = seed%3 + (seed%3 >= j); seed /= 3;
5775 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5776 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5777 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5778 j = seed%3; seed /= 3;
5779 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5780 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5781 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5782 j = seed%2 + (seed%2 >= j); seed /= 2;
5783 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5784 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5785 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5786 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5787 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5788 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5789 put(board, exoPieces[0], 0, 0, ANY);
5790 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5794 InitPosition (int redraw)
5796 ChessSquare (* pieces)[BOARD_FILES];
5797 int i, j, pawnRow, overrule,
5798 oldx = gameInfo.boardWidth,
5799 oldy = gameInfo.boardHeight,
5800 oldh = gameInfo.holdingsWidth;
5803 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5805 /* [AS] Initialize pv info list [HGM] and game status */
5807 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5808 pvInfoList[i].depth = 0;
5809 boards[i][EP_STATUS] = EP_NONE;
5810 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5813 initialRulePlies = 0; /* 50-move counter start */
5815 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5816 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5820 /* [HGM] logic here is completely changed. In stead of full positions */
5821 /* the initialized data only consist of the two backranks. The switch */
5822 /* selects which one we will use, which is than copied to the Board */
5823 /* initialPosition, which for the rest is initialized by Pawns and */
5824 /* empty squares. This initial position is then copied to boards[0], */
5825 /* possibly after shuffling, so that it remains available. */
5827 gameInfo.holdingsWidth = 0; /* default board sizes */
5828 gameInfo.boardWidth = 8;
5829 gameInfo.boardHeight = 8;
5830 gameInfo.holdingsSize = 0;
5831 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5832 for(i=0; i<BOARD_FILES-2; i++)
5833 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5834 initialPosition[EP_STATUS] = EP_NONE;
5835 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5836 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5837 SetCharTable(pieceNickName, appData.pieceNickNames);
5838 else SetCharTable(pieceNickName, "............");
5841 switch (gameInfo.variant) {
5842 case VariantFischeRandom:
5843 shuffleOpenings = TRUE;
5846 case VariantShatranj:
5847 pieces = ShatranjArray;
5848 nrCastlingRights = 0;
5849 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5852 pieces = makrukArray;
5853 nrCastlingRights = 0;
5854 startedFromSetupPosition = TRUE;
5855 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5857 case VariantTwoKings:
5858 pieces = twoKingsArray;
5861 pieces = GrandArray;
5862 nrCastlingRights = 0;
5863 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5864 gameInfo.boardWidth = 10;
5865 gameInfo.boardHeight = 10;
5866 gameInfo.holdingsSize = 7;
5868 case VariantCapaRandom:
5869 shuffleOpenings = TRUE;
5870 case VariantCapablanca:
5871 pieces = CapablancaArray;
5872 gameInfo.boardWidth = 10;
5873 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5876 pieces = GothicArray;
5877 gameInfo.boardWidth = 10;
5878 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5881 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5882 gameInfo.holdingsSize = 7;
5883 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5886 pieces = JanusArray;
5887 gameInfo.boardWidth = 10;
5888 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5889 nrCastlingRights = 6;
5890 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5891 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5892 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5893 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5894 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5895 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5898 pieces = FalconArray;
5899 gameInfo.boardWidth = 10;
5900 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5902 case VariantXiangqi:
5903 pieces = XiangqiArray;
5904 gameInfo.boardWidth = 9;
5905 gameInfo.boardHeight = 10;
5906 nrCastlingRights = 0;
5907 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5910 pieces = ShogiArray;
5911 gameInfo.boardWidth = 9;
5912 gameInfo.boardHeight = 9;
5913 gameInfo.holdingsSize = 7;
5914 nrCastlingRights = 0;
5915 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5917 case VariantCourier:
5918 pieces = CourierArray;
5919 gameInfo.boardWidth = 12;
5920 nrCastlingRights = 0;
5921 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5923 case VariantKnightmate:
5924 pieces = KnightmateArray;
5925 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5927 case VariantSpartan:
5928 pieces = SpartanArray;
5929 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5932 pieces = fairyArray;
5933 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5936 pieces = GreatArray;
5937 gameInfo.boardWidth = 10;
5938 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5939 gameInfo.holdingsSize = 8;
5943 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5944 gameInfo.holdingsSize = 8;
5945 startedFromSetupPosition = TRUE;
5947 case VariantCrazyhouse:
5948 case VariantBughouse:
5950 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5951 gameInfo.holdingsSize = 5;
5953 case VariantWildCastle:
5955 /* !!?shuffle with kings guaranteed to be on d or e file */
5956 shuffleOpenings = 1;
5958 case VariantNoCastle:
5960 nrCastlingRights = 0;
5961 /* !!?unconstrained back-rank shuffle */
5962 shuffleOpenings = 1;
5967 if(appData.NrFiles >= 0) {
5968 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5969 gameInfo.boardWidth = appData.NrFiles;
5971 if(appData.NrRanks >= 0) {
5972 gameInfo.boardHeight = appData.NrRanks;
5974 if(appData.holdingsSize >= 0) {
5975 i = appData.holdingsSize;
5976 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5977 gameInfo.holdingsSize = i;
5979 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5980 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5981 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5983 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5984 if(pawnRow < 1) pawnRow = 1;
5985 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5987 /* User pieceToChar list overrules defaults */
5988 if(appData.pieceToCharTable != NULL)
5989 SetCharTable(pieceToChar, appData.pieceToCharTable);
5991 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5993 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5994 s = (ChessSquare) 0; /* account holding counts in guard band */
5995 for( i=0; i<BOARD_HEIGHT; i++ )
5996 initialPosition[i][j] = s;
5998 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5999 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6000 initialPosition[pawnRow][j] = WhitePawn;
6001 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6002 if(gameInfo.variant == VariantXiangqi) {
6004 initialPosition[pawnRow][j] =
6005 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6006 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6007 initialPosition[2][j] = WhiteCannon;
6008 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6012 if(gameInfo.variant == VariantGrand) {
6013 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6014 initialPosition[0][j] = WhiteRook;
6015 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6018 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6020 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6023 initialPosition[1][j] = WhiteBishop;
6024 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6026 initialPosition[1][j] = WhiteRook;
6027 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6030 if( nrCastlingRights == -1) {
6031 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6032 /* This sets default castling rights from none to normal corners */
6033 /* Variants with other castling rights must set them themselves above */
6034 nrCastlingRights = 6;
6036 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6037 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6038 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6039 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6040 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6041 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6044 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6045 if(gameInfo.variant == VariantGreat) { // promotion commoners
6046 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6047 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6048 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6049 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6051 if( gameInfo.variant == VariantSChess ) {
6052 initialPosition[1][0] = BlackMarshall;
6053 initialPosition[2][0] = BlackAngel;
6054 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6055 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6056 initialPosition[1][1] = initialPosition[2][1] =
6057 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6059 if (appData.debugMode) {
6060 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6062 if(shuffleOpenings) {
6063 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6064 startedFromSetupPosition = TRUE;
6066 if(startedFromPositionFile) {
6067 /* [HGM] loadPos: use PositionFile for every new game */
6068 CopyBoard(initialPosition, filePosition);
6069 for(i=0; i<nrCastlingRights; i++)
6070 initialRights[i] = filePosition[CASTLING][i];
6071 startedFromSetupPosition = TRUE;
6074 CopyBoard(boards[0], initialPosition);
6076 if(oldx != gameInfo.boardWidth ||
6077 oldy != gameInfo.boardHeight ||
6078 oldv != gameInfo.variant ||
6079 oldh != gameInfo.holdingsWidth
6081 InitDrawingSizes(-2 ,0);
6083 oldv = gameInfo.variant;
6085 DrawPosition(TRUE, boards[currentMove]);
6089 SendBoard (ChessProgramState *cps, int moveNum)
6091 char message[MSG_SIZ];
6093 if (cps->useSetboard) {
6094 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6095 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6096 SendToProgram(message, cps);
6101 int i, j, left=0, right=BOARD_WIDTH;
6102 /* Kludge to set black to move, avoiding the troublesome and now
6103 * deprecated "black" command.
6105 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6106 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6108 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6110 SendToProgram("edit\n", cps);
6111 SendToProgram("#\n", cps);
6112 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6113 bp = &boards[moveNum][i][left];
6114 for (j = left; j < right; j++, bp++) {
6115 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6116 if ((int) *bp < (int) BlackPawn) {
6117 if(j == BOARD_RGHT+1)
6118 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6119 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6120 if(message[0] == '+' || message[0] == '~') {
6121 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6122 PieceToChar((ChessSquare)(DEMOTED *bp)),
6125 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6126 message[1] = BOARD_RGHT - 1 - j + '1';
6127 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6129 SendToProgram(message, cps);
6134 SendToProgram("c\n", cps);
6135 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6136 bp = &boards[moveNum][i][left];
6137 for (j = left; j < right; j++, bp++) {
6138 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6139 if (((int) *bp != (int) EmptySquare)
6140 && ((int) *bp >= (int) BlackPawn)) {
6141 if(j == BOARD_LEFT-2)
6142 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6143 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6145 if(message[0] == '+' || message[0] == '~') {
6146 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6147 PieceToChar((ChessSquare)(DEMOTED *bp)),
6150 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6151 message[1] = BOARD_RGHT - 1 - j + '1';
6152 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6154 SendToProgram(message, cps);
6159 SendToProgram(".\n", cps);
6161 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6164 char exclusionHeader[MSG_SIZ];
6165 int exCnt, excludePtr;
6166 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6167 static Exclusion excluTab[200];
6168 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6174 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6175 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6181 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6182 excludePtr = 24; exCnt = 0;
6187 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6188 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6189 char buf[2*MOVE_LEN], *p;
6190 Exclusion *e = excluTab;
6192 for(i=0; i<exCnt; i++)
6193 if(e[i].ff == fromX && e[i].fr == fromY &&
6194 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6195 if(i == exCnt) { // was not in exclude list; add it
6196 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6197 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6198 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6201 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6202 excludePtr++; e[i].mark = excludePtr++;
6203 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6206 exclusionHeader[e[i].mark] = state;
6210 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6211 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6215 if((signed char)promoChar == -1) { // kludge to indicate best move
6216 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6217 return 1; // if unparsable, abort
6219 // update exclusion map (resolving toggle by consulting existing state)
6220 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6222 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6223 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6224 excludeMap[k] |= 1<<j;
6225 else excludeMap[k] &= ~(1<<j);
6227 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6229 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6230 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6232 return (state == '+');
6236 ExcludeClick (int index)
6239 Exclusion *e = excluTab;
6240 if(index < 25) { // none, best or tail clicked
6241 if(index < 13) { // none: include all
6242 WriteMap(0); // clear map
6243 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6244 SendToBoth("include all\n"); // and inform engine
6245 } else if(index > 18) { // tail
6246 if(exclusionHeader[19] == '-') { // tail was excluded
6247 SendToBoth("include all\n");
6248 WriteMap(0); // clear map completely
6249 // now re-exclude selected moves
6250 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6251 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6252 } else { // tail was included or in mixed state
6253 SendToBoth("exclude all\n");
6254 WriteMap(0xFF); // fill map completely
6255 // now re-include selected moves
6256 j = 0; // count them
6257 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6258 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6259 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6262 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6265 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6266 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6267 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6274 DefaultPromoChoice (int white)
6277 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6278 result = WhiteFerz; // no choice
6279 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6280 result= WhiteKing; // in Suicide Q is the last thing we want
6281 else if(gameInfo.variant == VariantSpartan)
6282 result = white ? WhiteQueen : WhiteAngel;
6283 else result = WhiteQueen;
6284 if(!white) result = WHITE_TO_BLACK result;
6288 static int autoQueen; // [HGM] oneclick
6291 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6293 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6294 /* [HGM] add Shogi promotions */
6295 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6300 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6301 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6303 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6304 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6307 piece = boards[currentMove][fromY][fromX];
6308 if(gameInfo.variant == VariantShogi) {
6309 promotionZoneSize = BOARD_HEIGHT/3;
6310 highestPromotingPiece = (int)WhiteFerz;
6311 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6312 promotionZoneSize = 3;
6315 // Treat Lance as Pawn when it is not representing Amazon
6316 if(gameInfo.variant != VariantSuper) {
6317 if(piece == WhiteLance) piece = WhitePawn; else
6318 if(piece == BlackLance) piece = BlackPawn;
6321 // next weed out all moves that do not touch the promotion zone at all
6322 if((int)piece >= BlackPawn) {
6323 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6325 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6327 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6328 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6331 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6333 // weed out mandatory Shogi promotions
6334 if(gameInfo.variant == VariantShogi) {
6335 if(piece >= BlackPawn) {
6336 if(toY == 0 && piece == BlackPawn ||
6337 toY == 0 && piece == BlackQueen ||
6338 toY <= 1 && piece == BlackKnight) {
6343 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6344 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6345 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6352 // weed out obviously illegal Pawn moves
6353 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6354 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6355 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6356 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6357 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6358 // note we are not allowed to test for valid (non-)capture, due to premove
6361 // we either have a choice what to promote to, or (in Shogi) whether to promote
6362 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6363 *promoChoice = PieceToChar(BlackFerz); // no choice
6366 // no sense asking what we must promote to if it is going to explode...
6367 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6368 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6371 // give caller the default choice even if we will not make it
6372 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6373 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6374 if( sweepSelect && gameInfo.variant != VariantGreat
6375 && gameInfo.variant != VariantGrand
6376 && gameInfo.variant != VariantSuper) return FALSE;
6377 if(autoQueen) return FALSE; // predetermined
6379 // suppress promotion popup on illegal moves that are not premoves
6380 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6381 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6382 if(appData.testLegality && !premove) {
6383 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6384 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6385 if(moveType != WhitePromotion && moveType != BlackPromotion)
6393 InPalace (int row, int column)
6394 { /* [HGM] for Xiangqi */
6395 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6396 column < (BOARD_WIDTH + 4)/2 &&
6397 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6402 PieceForSquare (int x, int y)
6404 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6407 return boards[currentMove][y][x];
6411 OKToStartUserMove (int x, int y)
6413 ChessSquare from_piece;
6416 if (matchMode) return FALSE;
6417 if (gameMode == EditPosition) return TRUE;
6419 if (x >= 0 && y >= 0)
6420 from_piece = boards[currentMove][y][x];
6422 from_piece = EmptySquare;
6424 if (from_piece == EmptySquare) return FALSE;
6426 white_piece = (int)from_piece >= (int)WhitePawn &&
6427 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6431 case TwoMachinesPlay:
6439 case MachinePlaysWhite:
6440 case IcsPlayingBlack:
6441 if (appData.zippyPlay) return FALSE;
6443 DisplayMoveError(_("You are playing Black"));
6448 case MachinePlaysBlack:
6449 case IcsPlayingWhite:
6450 if (appData.zippyPlay) return FALSE;
6452 DisplayMoveError(_("You are playing White"));
6457 case PlayFromGameFile:
6458 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6460 if (!white_piece && WhiteOnMove(currentMove)) {
6461 DisplayMoveError(_("It is White's turn"));
6464 if (white_piece && !WhiteOnMove(currentMove)) {
6465 DisplayMoveError(_("It is Black's turn"));
6468 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6469 /* Editing correspondence game history */
6470 /* Could disallow this or prompt for confirmation */
6475 case BeginningOfGame:
6476 if (appData.icsActive) return FALSE;
6477 if (!appData.noChessProgram) {
6479 DisplayMoveError(_("You are playing White"));
6486 if (!white_piece && WhiteOnMove(currentMove)) {
6487 DisplayMoveError(_("It is White's turn"));
6490 if (white_piece && !WhiteOnMove(currentMove)) {
6491 DisplayMoveError(_("It is Black's turn"));
6500 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6501 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6502 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6503 && gameMode != AnalyzeFile && gameMode != Training) {
6504 DisplayMoveError(_("Displayed position is not current"));
6511 OnlyMove (int *x, int *y, Boolean captures)
6513 DisambiguateClosure cl;
6514 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6516 case MachinePlaysBlack:
6517 case IcsPlayingWhite:
6518 case BeginningOfGame:
6519 if(!WhiteOnMove(currentMove)) return FALSE;
6521 case MachinePlaysWhite:
6522 case IcsPlayingBlack:
6523 if(WhiteOnMove(currentMove)) return FALSE;
6530 cl.pieceIn = EmptySquare;
6535 cl.promoCharIn = NULLCHAR;
6536 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6537 if( cl.kind == NormalMove ||
6538 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6539 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6540 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6547 if(cl.kind != ImpossibleMove) return FALSE;
6548 cl.pieceIn = EmptySquare;
6553 cl.promoCharIn = NULLCHAR;
6554 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6555 if( cl.kind == NormalMove ||
6556 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6557 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6558 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6563 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6569 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6570 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6571 int lastLoadGameUseList = FALSE;
6572 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6573 ChessMove lastLoadGameStart = EndOfFile;
6577 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6581 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6583 /* Check if the user is playing in turn. This is complicated because we
6584 let the user "pick up" a piece before it is his turn. So the piece he
6585 tried to pick up may have been captured by the time he puts it down!
6586 Therefore we use the color the user is supposed to be playing in this
6587 test, not the color of the piece that is currently on the starting
6588 square---except in EditGame mode, where the user is playing both
6589 sides; fortunately there the capture race can't happen. (It can
6590 now happen in IcsExamining mode, but that's just too bad. The user
6591 will get a somewhat confusing message in that case.)
6596 case TwoMachinesPlay:
6600 /* We switched into a game mode where moves are not accepted,
6601 perhaps while the mouse button was down. */
6604 case MachinePlaysWhite:
6605 /* User is moving for Black */
6606 if (WhiteOnMove(currentMove)) {
6607 DisplayMoveError(_("It is White's turn"));
6612 case MachinePlaysBlack:
6613 /* User is moving for White */
6614 if (!WhiteOnMove(currentMove)) {
6615 DisplayMoveError(_("It is Black's turn"));
6620 case PlayFromGameFile:
6621 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6624 case BeginningOfGame:
6627 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6628 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6629 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6630 /* User is moving for Black */
6631 if (WhiteOnMove(currentMove)) {
6632 DisplayMoveError(_("It is White's turn"));
6636 /* User is moving for White */
6637 if (!WhiteOnMove(currentMove)) {
6638 DisplayMoveError(_("It is Black's turn"));
6644 case IcsPlayingBlack:
6645 /* User is moving for Black */
6646 if (WhiteOnMove(currentMove)) {
6647 if (!appData.premove) {
6648 DisplayMoveError(_("It is White's turn"));
6649 } else if (toX >= 0 && toY >= 0) {
6652 premoveFromX = fromX;
6653 premoveFromY = fromY;
6654 premovePromoChar = promoChar;
6656 if (appData.debugMode)
6657 fprintf(debugFP, "Got premove: fromX %d,"
6658 "fromY %d, toX %d, toY %d\n",
6659 fromX, fromY, toX, toY);
6665 case IcsPlayingWhite:
6666 /* User is moving for White */
6667 if (!WhiteOnMove(currentMove)) {
6668 if (!appData.premove) {
6669 DisplayMoveError(_("It is Black's turn"));
6670 } else if (toX >= 0 && toY >= 0) {
6673 premoveFromX = fromX;
6674 premoveFromY = fromY;
6675 premovePromoChar = promoChar;
6677 if (appData.debugMode)
6678 fprintf(debugFP, "Got premove: fromX %d,"
6679 "fromY %d, toX %d, toY %d\n",
6680 fromX, fromY, toX, toY);
6690 /* EditPosition, empty square, or different color piece;
6691 click-click move is possible */
6692 if (toX == -2 || toY == -2) {
6693 boards[0][fromY][fromX] = EmptySquare;
6694 DrawPosition(FALSE, boards[currentMove]);
6696 } else if (toX >= 0 && toY >= 0) {
6697 boards[0][toY][toX] = boards[0][fromY][fromX];
6698 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6699 if(boards[0][fromY][0] != EmptySquare) {
6700 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6701 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6704 if(fromX == BOARD_RGHT+1) {
6705 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6706 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6707 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6710 boards[0][fromY][fromX] = gatingPiece;
6711 DrawPosition(FALSE, boards[currentMove]);
6717 if(toX < 0 || toY < 0) return;
6718 pup = boards[currentMove][toY][toX];
6720 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6721 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6722 if( pup != EmptySquare ) return;
6723 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6724 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6725 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6726 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6727 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6728 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6729 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6733 /* [HGM] always test for legality, to get promotion info */
6734 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6735 fromY, fromX, toY, toX, promoChar);
6737 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6739 /* [HGM] but possibly ignore an IllegalMove result */
6740 if (appData.testLegality) {
6741 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6742 DisplayMoveError(_("Illegal move"));
6747 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6748 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6749 ClearPremoveHighlights(); // was included
6750 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6754 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6757 /* Common tail of UserMoveEvent and DropMenuEvent */
6759 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6763 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6764 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6765 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6766 if(WhiteOnMove(currentMove)) {
6767 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6769 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6773 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6774 move type in caller when we know the move is a legal promotion */
6775 if(moveType == NormalMove && promoChar)
6776 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6778 /* [HGM] <popupFix> The following if has been moved here from
6779 UserMoveEvent(). Because it seemed to belong here (why not allow
6780 piece drops in training games?), and because it can only be
6781 performed after it is known to what we promote. */
6782 if (gameMode == Training) {
6783 /* compare the move played on the board to the next move in the
6784 * game. If they match, display the move and the opponent's response.
6785 * If they don't match, display an error message.
6789 CopyBoard(testBoard, boards[currentMove]);
6790 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6792 if (CompareBoards(testBoard, boards[currentMove+1])) {
6793 ForwardInner(currentMove+1);
6795 /* Autoplay the opponent's response.
6796 * if appData.animate was TRUE when Training mode was entered,
6797 * the response will be animated.
6799 saveAnimate = appData.animate;
6800 appData.animate = animateTraining;
6801 ForwardInner(currentMove+1);
6802 appData.animate = saveAnimate;
6804 /* check for the end of the game */
6805 if (currentMove >= forwardMostMove) {
6806 gameMode = PlayFromGameFile;
6808 SetTrainingModeOff();
6809 DisplayInformation(_("End of game"));
6812 DisplayError(_("Incorrect move"), 0);
6817 /* Ok, now we know that the move is good, so we can kill
6818 the previous line in Analysis Mode */
6819 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6820 && currentMove < forwardMostMove) {
6821 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6822 else forwardMostMove = currentMove;
6827 /* If we need the chess program but it's dead, restart it */
6828 ResurrectChessProgram();
6830 /* A user move restarts a paused game*/
6834 thinkOutput[0] = NULLCHAR;
6836 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6838 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6839 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6843 if (gameMode == BeginningOfGame) {
6844 if (appData.noChessProgram) {
6845 gameMode = EditGame;
6849 gameMode = MachinePlaysBlack;
6852 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6854 if (first.sendName) {
6855 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6856 SendToProgram(buf, &first);
6863 /* Relay move to ICS or chess engine */
6864 if (appData.icsActive) {
6865 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6866 gameMode == IcsExamining) {
6867 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6868 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6870 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6872 // also send plain move, in case ICS does not understand atomic claims
6873 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6877 if (first.sendTime && (gameMode == BeginningOfGame ||
6878 gameMode == MachinePlaysWhite ||
6879 gameMode == MachinePlaysBlack)) {
6880 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6882 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6883 // [HGM] book: if program might be playing, let it use book
6884 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6885 first.maybeThinking = TRUE;
6886 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6887 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6888 SendBoard(&first, currentMove+1);
6889 if(second.analyzing) {
6890 if(!second.useSetboard) SendToProgram("undo\n", &second);
6891 SendBoard(&second, currentMove+1);
6894 SendMoveToProgram(forwardMostMove-1, &first);
6895 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6897 if (currentMove == cmailOldMove + 1) {
6898 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6902 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6906 if(appData.testLegality)
6907 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6913 if (WhiteOnMove(currentMove)) {
6914 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6916 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6920 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6925 case MachinePlaysBlack:
6926 case MachinePlaysWhite:
6927 /* disable certain menu options while machine is thinking */
6928 SetMachineThinkingEnables();
6935 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6936 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6938 if(bookHit) { // [HGM] book: simulate book reply
6939 static char bookMove[MSG_SIZ]; // a bit generous?
6941 programStats.nodes = programStats.depth = programStats.time =
6942 programStats.score = programStats.got_only_move = 0;
6943 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6945 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6946 strcat(bookMove, bookHit);
6947 HandleMachineMove(bookMove, &first);
6953 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6955 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6956 Markers *m = (Markers *) closure;
6957 if(rf == fromY && ff == fromX)
6958 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6959 || kind == WhiteCapturesEnPassant
6960 || kind == BlackCapturesEnPassant);
6961 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6965 MarkTargetSquares (int clear)
6968 if(clear) // no reason to ever suppress clearing
6969 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6970 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6971 !appData.testLegality || gameMode == EditPosition) return;
6974 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6975 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6976 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6978 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6981 DrawPosition(FALSE, NULL);
6985 Explode (Board board, int fromX, int fromY, int toX, int toY)
6987 if(gameInfo.variant == VariantAtomic &&
6988 (board[toY][toX] != EmptySquare || // capture?
6989 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6990 board[fromY][fromX] == BlackPawn )
6992 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6998 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7001 CanPromote (ChessSquare piece, int y)
7003 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7004 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7005 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7006 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7007 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7008 gameInfo.variant == VariantMakruk) return FALSE;
7009 return (piece == BlackPawn && y == 1 ||
7010 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7011 piece == BlackLance && y == 1 ||
7012 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7016 LeftClick (ClickType clickType, int xPix, int yPix)
7019 Boolean saveAnimate;
7020 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7021 char promoChoice = NULLCHAR;
7023 static TimeMark lastClickTime, prevClickTime;
7025 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7027 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7029 if (clickType == Press) ErrorPopDown();
7031 x = EventToSquare(xPix, BOARD_WIDTH);
7032 y = EventToSquare(yPix, BOARD_HEIGHT);
7033 if (!flipView && y >= 0) {
7034 y = BOARD_HEIGHT - 1 - y;
7036 if (flipView && x >= 0) {
7037 x = BOARD_WIDTH - 1 - x;
7040 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7041 defaultPromoChoice = promoSweep;
7042 promoSweep = EmptySquare; // terminate sweep
7043 promoDefaultAltered = TRUE;
7044 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7047 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7048 if(clickType == Release) return; // ignore upclick of click-click destination
7049 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7050 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7051 if(gameInfo.holdingsWidth &&
7052 (WhiteOnMove(currentMove)
7053 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7054 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7055 // click in right holdings, for determining promotion piece
7056 ChessSquare p = boards[currentMove][y][x];
7057 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7058 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7059 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7060 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7065 DrawPosition(FALSE, boards[currentMove]);
7069 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7070 if(clickType == Press
7071 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7072 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7073 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7076 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7077 // could be static click on premove from-square: abort premove
7079 ClearPremoveHighlights();
7082 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7083 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7085 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7086 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7087 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7088 defaultPromoChoice = DefaultPromoChoice(side);
7091 autoQueen = appData.alwaysPromoteToQueen;
7095 gatingPiece = EmptySquare;
7096 if (clickType != Press) {
7097 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7098 DragPieceEnd(xPix, yPix); dragging = 0;
7099 DrawPosition(FALSE, NULL);
7103 doubleClick = FALSE;
7104 fromX = x; fromY = y; toX = toY = -1;
7105 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7106 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7107 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7109 if (OKToStartUserMove(fromX, fromY)) {
7111 MarkTargetSquares(0);
7112 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7113 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7114 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7115 promoSweep = defaultPromoChoice;
7116 selectFlag = 0; lastX = xPix; lastY = yPix;
7117 Sweep(0); // Pawn that is going to promote: preview promotion piece
7118 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7120 if (appData.highlightDragging) {
7121 SetHighlights(fromX, fromY, -1, -1);
7125 } else fromX = fromY = -1;
7131 if (clickType == Press && gameMode != EditPosition) {
7136 // ignore off-board to clicks
7137 if(y < 0 || x < 0) return;
7139 /* Check if clicking again on the same color piece */
7140 fromP = boards[currentMove][fromY][fromX];
7141 toP = boards[currentMove][y][x];
7142 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7143 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7144 WhitePawn <= toP && toP <= WhiteKing &&
7145 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7146 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7147 (BlackPawn <= fromP && fromP <= BlackKing &&
7148 BlackPawn <= toP && toP <= BlackKing &&
7149 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7150 !(fromP == BlackKing && toP == BlackRook && frc))) {
7151 /* Clicked again on same color piece -- changed his mind */
7152 second = (x == fromX && y == fromY);
7153 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7154 second = FALSE; // first double-click rather than scond click
7155 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7157 promoDefaultAltered = FALSE;
7158 MarkTargetSquares(1);
7159 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7160 if (appData.highlightDragging) {
7161 SetHighlights(x, y, -1, -1);
7165 if (OKToStartUserMove(x, y)) {
7166 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7167 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7168 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7169 gatingPiece = boards[currentMove][fromY][fromX];
7170 else gatingPiece = doubleClick ? fromP : EmptySquare;
7172 fromY = y; dragging = 1;
7173 MarkTargetSquares(0);
7174 DragPieceBegin(xPix, yPix, FALSE);
7175 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7176 promoSweep = defaultPromoChoice;
7177 selectFlag = 0; lastX = xPix; lastY = yPix;
7178 Sweep(0); // Pawn that is going to promote: preview promotion piece
7182 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7185 // ignore clicks on holdings
7186 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7189 if (clickType == Release && x == fromX && y == fromY) {
7190 DragPieceEnd(xPix, yPix); dragging = 0;
7192 // a deferred attempt to click-click move an empty square on top of a piece
7193 boards[currentMove][y][x] = EmptySquare;
7195 DrawPosition(FALSE, boards[currentMove]);
7196 fromX = fromY = -1; clearFlag = 0;
7199 if (appData.animateDragging) {
7200 /* Undo animation damage if any */
7201 DrawPosition(FALSE, NULL);
7203 if (second || sweepSelecting) {
7204 /* Second up/down in same square; just abort move */
7205 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7206 second = sweepSelecting = 0;
7208 gatingPiece = EmptySquare;
7211 ClearPremoveHighlights();
7213 /* First upclick in same square; start click-click mode */
7214 SetHighlights(x, y, -1, -1);
7221 /* we now have a different from- and (possibly off-board) to-square */
7222 /* Completed move */
7223 if(!sweepSelecting) {
7226 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7228 saveAnimate = appData.animate;
7229 if (clickType == Press) {
7230 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7231 // must be Edit Position mode with empty-square selected
7232 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7233 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7236 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7237 if(appData.sweepSelect) {
7238 ChessSquare piece = boards[currentMove][fromY][fromX];
7239 promoSweep = defaultPromoChoice;
7240 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7241 selectFlag = 0; lastX = xPix; lastY = yPix;
7242 Sweep(0); // Pawn that is going to promote: preview promotion piece
7244 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7245 MarkTargetSquares(1);
7247 return; // promo popup appears on up-click
7249 /* Finish clickclick move */
7250 if (appData.animate || appData.highlightLastMove) {
7251 SetHighlights(fromX, fromY, toX, toY);
7256 /* Finish drag move */
7257 if (appData.highlightLastMove) {
7258 SetHighlights(fromX, fromY, toX, toY);
7262 DragPieceEnd(xPix, yPix); dragging = 0;
7263 /* Don't animate move and drag both */
7264 appData.animate = FALSE;
7266 MarkTargetSquares(1);
7268 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7269 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7270 ChessSquare piece = boards[currentMove][fromY][fromX];
7271 if(gameMode == EditPosition && piece != EmptySquare &&
7272 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7275 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7276 n = PieceToNumber(piece - (int)BlackPawn);
7277 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7278 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7279 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7281 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7282 n = PieceToNumber(piece);
7283 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7284 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7285 boards[currentMove][n][BOARD_WIDTH-2]++;
7287 boards[currentMove][fromY][fromX] = EmptySquare;
7291 DrawPosition(TRUE, boards[currentMove]);
7295 // off-board moves should not be highlighted
7296 if(x < 0 || y < 0) ClearHighlights();
7298 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7300 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7301 SetHighlights(fromX, fromY, toX, toY);
7302 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7303 // [HGM] super: promotion to captured piece selected from holdings
7304 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7305 promotionChoice = TRUE;
7306 // kludge follows to temporarily execute move on display, without promoting yet
7307 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7308 boards[currentMove][toY][toX] = p;
7309 DrawPosition(FALSE, boards[currentMove]);
7310 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7311 boards[currentMove][toY][toX] = q;
7312 DisplayMessage("Click in holdings to choose piece", "");
7317 int oldMove = currentMove;
7318 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7319 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7320 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7321 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7322 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7323 DrawPosition(TRUE, boards[currentMove]);
7326 appData.animate = saveAnimate;
7327 if (appData.animate || appData.animateDragging) {
7328 /* Undo animation damage if needed */
7329 DrawPosition(FALSE, NULL);
7334 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7335 { // front-end-free part taken out of PieceMenuPopup
7336 int whichMenu; int xSqr, ySqr;
7338 if(seekGraphUp) { // [HGM] seekgraph
7339 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7340 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7344 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7345 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7346 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7347 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7348 if(action == Press) {
7349 originalFlip = flipView;
7350 flipView = !flipView; // temporarily flip board to see game from partners perspective
7351 DrawPosition(TRUE, partnerBoard);
7352 DisplayMessage(partnerStatus, "");
7354 } else if(action == Release) {
7355 flipView = originalFlip;
7356 DrawPosition(TRUE, boards[currentMove]);
7362 xSqr = EventToSquare(x, BOARD_WIDTH);
7363 ySqr = EventToSquare(y, BOARD_HEIGHT);
7364 if (action == Release) {
7365 if(pieceSweep != EmptySquare) {
7366 EditPositionMenuEvent(pieceSweep, toX, toY);
7367 pieceSweep = EmptySquare;
7368 } else UnLoadPV(); // [HGM] pv
7370 if (action != Press) return -2; // return code to be ignored
7373 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7375 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7376 if (xSqr < 0 || ySqr < 0) return -1;
7377 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7378 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7379 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7380 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7384 if(!appData.icsEngineAnalyze) return -1;
7385 case IcsPlayingWhite:
7386 case IcsPlayingBlack:
7387 if(!appData.zippyPlay) goto noZip;
7390 case MachinePlaysWhite:
7391 case MachinePlaysBlack:
7392 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7393 if (!appData.dropMenu) {
7395 return 2; // flag front-end to grab mouse events
7397 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7398 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7401 if (xSqr < 0 || ySqr < 0) return -1;
7402 if (!appData.dropMenu || appData.testLegality &&
7403 gameInfo.variant != VariantBughouse &&
7404 gameInfo.variant != VariantCrazyhouse) return -1;
7405 whichMenu = 1; // drop menu
7411 if (((*fromX = xSqr) < 0) ||
7412 ((*fromY = ySqr) < 0)) {
7413 *fromX = *fromY = -1;
7417 *fromX = BOARD_WIDTH - 1 - *fromX;
7419 *fromY = BOARD_HEIGHT - 1 - *fromY;
7425 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7427 // char * hint = lastHint;
7428 FrontEndProgramStats stats;
7430 stats.which = cps == &first ? 0 : 1;
7431 stats.depth = cpstats->depth;
7432 stats.nodes = cpstats->nodes;
7433 stats.score = cpstats->score;
7434 stats.time = cpstats->time;
7435 stats.pv = cpstats->movelist;
7436 stats.hint = lastHint;
7437 stats.an_move_index = 0;
7438 stats.an_move_count = 0;
7440 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7441 stats.hint = cpstats->move_name;
7442 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7443 stats.an_move_count = cpstats->nr_moves;
7446 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
7448 SetProgramStats( &stats );
7452 ClearEngineOutputPane (int which)
7454 static FrontEndProgramStats dummyStats;
7455 dummyStats.which = which;
7456 dummyStats.pv = "#";
7457 SetProgramStats( &dummyStats );
7460 #define MAXPLAYERS 500
7463 TourneyStandings (int display)
7465 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7466 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7467 char result, *p, *names[MAXPLAYERS];
7469 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7470 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7471 names[0] = p = strdup(appData.participants);
7472 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7474 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7476 while(result = appData.results[nr]) {
7477 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7478 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7479 wScore = bScore = 0;
7481 case '+': wScore = 2; break;
7482 case '-': bScore = 2; break;
7483 case '=': wScore = bScore = 1; break;
7485 case '*': return strdup("busy"); // tourney not finished
7493 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7494 for(w=0; w<nPlayers; w++) {
7496 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7497 ranking[w] = b; points[w] = bScore; score[b] = -2;
7499 p = malloc(nPlayers*34+1);
7500 for(w=0; w<nPlayers && w<display; w++)
7501 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7507 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7508 { // count all piece types
7510 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7511 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7512 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7515 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7516 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7517 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7518 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7519 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7520 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7525 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7527 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7528 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7530 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7531 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7532 if(myPawns == 2 && nMine == 3) // KPP
7533 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7534 if(myPawns == 1 && nMine == 2) // KP
7535 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7536 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7537 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7538 if(myPawns) return FALSE;
7539 if(pCnt[WhiteRook+side])
7540 return pCnt[BlackRook-side] ||
7541 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7542 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7543 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7544 if(pCnt[WhiteCannon+side]) {
7545 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7546 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7548 if(pCnt[WhiteKnight+side])
7549 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7554 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7556 VariantClass v = gameInfo.variant;
7558 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7559 if(v == VariantShatranj) return TRUE; // always winnable through baring
7560 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7561 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7563 if(v == VariantXiangqi) {
7564 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7566 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7567 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7568 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7569 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7570 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7571 if(stale) // we have at least one last-rank P plus perhaps C
7572 return majors // KPKX
7573 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7575 return pCnt[WhiteFerz+side] // KCAK
7576 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7577 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7578 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7580 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7581 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7583 if(nMine == 1) return FALSE; // bare King
7584 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
7585 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7586 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7587 // by now we have King + 1 piece (or multiple Bishops on the same color)
7588 if(pCnt[WhiteKnight+side])
7589 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7590 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7591 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7593 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7594 if(pCnt[WhiteAlfil+side])
7595 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7596 if(pCnt[WhiteWazir+side])
7597 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7604 CompareWithRights (Board b1, Board b2)
7607 if(!CompareBoards(b1, b2)) return FALSE;
7608 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7609 /* compare castling rights */
7610 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7611 rights++; /* King lost rights, while rook still had them */
7612 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7613 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7614 rights++; /* but at least one rook lost them */
7616 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7618 if( b1[CASTLING][5] != NoRights ) {
7619 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7626 Adjudicate (ChessProgramState *cps)
7627 { // [HGM] some adjudications useful with buggy engines
7628 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7629 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7630 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7631 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7632 int k, count = 0; static int bare = 1;
7633 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7634 Boolean canAdjudicate = !appData.icsActive;
7636 // most tests only when we understand the game, i.e. legality-checking on
7637 if( appData.testLegality )
7638 { /* [HGM] Some more adjudications for obstinate engines */
7639 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7640 static int moveCount = 6;
7642 char *reason = NULL;
7644 /* Count what is on board. */
7645 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7647 /* Some material-based adjudications that have to be made before stalemate test */
7648 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7649 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7650 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7651 if(canAdjudicate && appData.checkMates) {
7653 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7654 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7655 "Xboard adjudication: King destroyed", GE_XBOARD );
7660 /* Bare King in Shatranj (loses) or Losers (wins) */
7661 if( nrW == 1 || nrB == 1) {
7662 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7663 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7664 if(canAdjudicate && appData.checkMates) {
7666 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7667 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7668 "Xboard adjudication: Bare king", GE_XBOARD );
7672 if( gameInfo.variant == VariantShatranj && --bare < 0)
7674 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7675 if(canAdjudicate && appData.checkMates) {
7676 /* but only adjudicate if adjudication enabled */
7678 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7679 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7680 "Xboard adjudication: Bare king", GE_XBOARD );
7687 // don't wait for engine to announce game end if we can judge ourselves
7688 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7690 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7691 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7692 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7693 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7696 reason = "Xboard adjudication: 3rd check";
7697 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7707 reason = "Xboard adjudication: Stalemate";
7708 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7709 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7710 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7711 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7712 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7713 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7714 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7715 EP_CHECKMATE : EP_WINS);
7716 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7717 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7721 reason = "Xboard adjudication: Checkmate";
7722 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7726 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7728 result = GameIsDrawn; break;
7730 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7732 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7736 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7738 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7739 GameEnds( result, reason, GE_XBOARD );
7743 /* Next absolutely insufficient mating material. */
7744 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7745 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7746 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7748 /* always flag draws, for judging claims */
7749 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7751 if(canAdjudicate && appData.materialDraws) {
7752 /* but only adjudicate them if adjudication enabled */
7753 if(engineOpponent) {
7754 SendToProgram("force\n", engineOpponent); // suppress reply
7755 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7757 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7762 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7763 if(gameInfo.variant == VariantXiangqi ?
7764 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7766 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7767 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7768 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7769 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7771 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7772 { /* if the first 3 moves do not show a tactical win, declare draw */
7773 if(engineOpponent) {
7774 SendToProgram("force\n", engineOpponent); // suppress reply
7775 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7777 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7780 } else moveCount = 6;
7783 // Repetition draws and 50-move rule can be applied independently of legality testing
7785 /* Check for rep-draws */
7787 for(k = forwardMostMove-2;
7788 k>=backwardMostMove && k>=forwardMostMove-100 &&
7789 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7790 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7793 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7794 /* compare castling rights */
7795 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7796 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7797 rights++; /* King lost rights, while rook still had them */
7798 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7799 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7800 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7801 rights++; /* but at least one rook lost them */
7803 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7804 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7806 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7807 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7808 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7811 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7812 && appData.drawRepeats > 1) {
7813 /* adjudicate after user-specified nr of repeats */
7814 int result = GameIsDrawn;
7815 char *details = "XBoard adjudication: repetition draw";
7816 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7817 // [HGM] xiangqi: check for forbidden perpetuals
7818 int m, ourPerpetual = 1, hisPerpetual = 1;
7819 for(m=forwardMostMove; m>k; m-=2) {
7820 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7821 ourPerpetual = 0; // the current mover did not always check
7822 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7823 hisPerpetual = 0; // the opponent did not always check
7825 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7826 ourPerpetual, hisPerpetual);
7827 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7828 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7829 details = "Xboard adjudication: perpetual checking";
7831 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7832 break; // (or we would have caught him before). Abort repetition-checking loop.
7834 // Now check for perpetual chases
7835 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7836 hisPerpetual = PerpetualChase(k, forwardMostMove);
7837 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7838 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7839 static char resdet[MSG_SIZ];
7840 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7842 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7844 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7845 break; // Abort repetition-checking loop.
7847 // if neither of us is checking or chasing all the time, or both are, it is draw
7849 if(engineOpponent) {
7850 SendToProgram("force\n", engineOpponent); // suppress reply
7851 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7853 GameEnds( result, details, GE_XBOARD );
7856 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7857 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7861 /* Now we test for 50-move draws. Determine ply count */
7862 count = forwardMostMove;
7863 /* look for last irreversble move */
7864 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7866 /* if we hit starting position, add initial plies */
7867 if( count == backwardMostMove )
7868 count -= initialRulePlies;
7869 count = forwardMostMove - count;
7870 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7871 // adjust reversible move counter for checks in Xiangqi
7872 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7873 if(i < backwardMostMove) i = backwardMostMove;
7874 while(i <= forwardMostMove) {
7875 lastCheck = inCheck; // check evasion does not count
7876 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7877 if(inCheck || lastCheck) count--; // check does not count
7882 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7883 /* this is used to judge if draw claims are legal */
7884 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7885 if(engineOpponent) {
7886 SendToProgram("force\n", engineOpponent); // suppress reply
7887 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7889 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7893 /* if draw offer is pending, treat it as a draw claim
7894 * when draw condition present, to allow engines a way to
7895 * claim draws before making their move to avoid a race
7896 * condition occurring after their move
7898 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7900 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7901 p = "Draw claim: 50-move rule";
7902 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7903 p = "Draw claim: 3-fold repetition";
7904 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7905 p = "Draw claim: insufficient mating material";
7906 if( p != NULL && canAdjudicate) {
7907 if(engineOpponent) {
7908 SendToProgram("force\n", engineOpponent); // suppress reply
7909 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7911 GameEnds( GameIsDrawn, p, GE_XBOARD );
7916 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7917 if(engineOpponent) {
7918 SendToProgram("force\n", engineOpponent); // suppress reply
7919 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7921 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7928 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7929 { // [HGM] book: this routine intercepts moves to simulate book replies
7930 char *bookHit = NULL;
7932 //first determine if the incoming move brings opponent into his book
7933 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7934 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7935 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7936 if(bookHit != NULL && !cps->bookSuspend) {
7937 // make sure opponent is not going to reply after receiving move to book position
7938 SendToProgram("force\n", cps);
7939 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7941 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7942 // now arrange restart after book miss
7944 // after a book hit we never send 'go', and the code after the call to this routine
7945 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7946 char buf[MSG_SIZ], *move = bookHit;
7948 int fromX, fromY, toX, toY;
7952 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7953 &fromX, &fromY, &toX, &toY, &promoChar)) {
7954 (void) CoordsToAlgebraic(boards[forwardMostMove],
7955 PosFlags(forwardMostMove),
7956 fromY, fromX, toY, toX, promoChar, move);
7958 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7962 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7963 SendToProgram(buf, cps);
7964 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7965 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7966 SendToProgram("go\n", cps);
7967 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7968 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7969 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7970 SendToProgram("go\n", cps);
7971 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7973 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7977 LoadError (char *errmess, ChessProgramState *cps)
7978 { // unloads engine and switches back to -ncp mode if it was first
7979 if(cps->initDone) return FALSE;
7980 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7981 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7984 appData.noChessProgram = TRUE;
7985 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7986 gameMode = BeginningOfGame; ModeHighlight();
7989 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7990 DisplayMessage("", ""); // erase waiting message
7991 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7996 ChessProgramState *savedState;
7998 DeferredBookMove (void)
8000 if(savedState->lastPing != savedState->lastPong)
8001 ScheduleDelayedEvent(DeferredBookMove, 10);
8003 HandleMachineMove(savedMessage, savedState);
8006 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8009 HandleMachineMove (char *message, ChessProgramState *cps)
8011 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8012 char realname[MSG_SIZ];
8013 int fromX, fromY, toX, toY;
8017 int machineWhite, oldError;
8020 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8021 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8022 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8023 DisplayError(_("Invalid pairing from pairing engine"), 0);
8026 pairingReceived = 1;
8028 return; // Skim the pairing messages here.
8031 oldError = cps->userError; cps->userError = 0;
8033 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8035 * Kludge to ignore BEL characters
8037 while (*message == '\007') message++;
8040 * [HGM] engine debug message: ignore lines starting with '#' character
8042 if(cps->debug && *message == '#') return;
8045 * Look for book output
8047 if (cps == &first && bookRequested) {
8048 if (message[0] == '\t' || message[0] == ' ') {
8049 /* Part of the book output is here; append it */
8050 strcat(bookOutput, message);
8051 strcat(bookOutput, " \n");
8053 } else if (bookOutput[0] != NULLCHAR) {
8054 /* All of book output has arrived; display it */
8055 char *p = bookOutput;
8056 while (*p != NULLCHAR) {
8057 if (*p == '\t') *p = ' ';
8060 DisplayInformation(bookOutput);
8061 bookRequested = FALSE;
8062 /* Fall through to parse the current output */
8067 * Look for machine move.
8069 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8070 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8072 /* This method is only useful on engines that support ping */
8073 if (cps->lastPing != cps->lastPong) {
8074 if (gameMode == BeginningOfGame) {
8075 /* Extra move from before last new; ignore */
8076 if (appData.debugMode) {
8077 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8080 if (appData.debugMode) {
8081 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8082 cps->which, gameMode);
8085 SendToProgram("undo\n", cps);
8091 case BeginningOfGame:
8092 /* Extra move from before last reset; ignore */
8093 if (appData.debugMode) {
8094 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8101 /* Extra move after we tried to stop. The mode test is
8102 not a reliable way of detecting this problem, but it's
8103 the best we can do on engines that don't support ping.
8105 if (appData.debugMode) {
8106 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8107 cps->which, gameMode);
8109 SendToProgram("undo\n", cps);
8112 case MachinePlaysWhite:
8113 case IcsPlayingWhite:
8114 machineWhite = TRUE;
8117 case MachinePlaysBlack:
8118 case IcsPlayingBlack:
8119 machineWhite = FALSE;
8122 case TwoMachinesPlay:
8123 machineWhite = (cps->twoMachinesColor[0] == 'w');
8126 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8127 if (appData.debugMode) {
8129 "Ignoring move out of turn by %s, gameMode %d"
8130 ", forwardMost %d\n",
8131 cps->which, gameMode, forwardMostMove);
8136 if(cps->alphaRank) AlphaRank(machineMove, 4);
8137 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8138 &fromX, &fromY, &toX, &toY, &promoChar)) {
8139 /* Machine move could not be parsed; ignore it. */
8140 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8141 machineMove, _(cps->which));
8142 DisplayError(buf1, 0);
8143 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8144 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8145 if (gameMode == TwoMachinesPlay) {
8146 GameEnds(machineWhite ? BlackWins : WhiteWins,
8152 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8153 /* So we have to redo legality test with true e.p. status here, */
8154 /* to make sure an illegal e.p. capture does not slip through, */
8155 /* to cause a forfeit on a justified illegal-move complaint */
8156 /* of the opponent. */
8157 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8159 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8160 fromY, fromX, toY, toX, promoChar);
8161 if(moveType == IllegalMove) {
8162 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8163 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8164 GameEnds(machineWhite ? BlackWins : WhiteWins,
8167 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8168 /* [HGM] Kludge to handle engines that send FRC-style castling
8169 when they shouldn't (like TSCP-Gothic) */
8171 case WhiteASideCastleFR:
8172 case BlackASideCastleFR:
8174 currentMoveString[2]++;
8176 case WhiteHSideCastleFR:
8177 case BlackHSideCastleFR:
8179 currentMoveString[2]--;
8181 default: ; // nothing to do, but suppresses warning of pedantic compilers
8184 hintRequested = FALSE;
8185 lastHint[0] = NULLCHAR;
8186 bookRequested = FALSE;
8187 /* Program may be pondering now */
8188 cps->maybeThinking = TRUE;
8189 if (cps->sendTime == 2) cps->sendTime = 1;
8190 if (cps->offeredDraw) cps->offeredDraw--;
8192 /* [AS] Save move info*/
8193 pvInfoList[ forwardMostMove ].score = programStats.score;
8194 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8195 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8197 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8199 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8200 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8203 while( count < adjudicateLossPlies ) {
8204 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8207 score = -score; /* Flip score for winning side */
8210 if( score > adjudicateLossThreshold ) {
8217 if( count >= adjudicateLossPlies ) {
8218 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8220 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8221 "Xboard adjudication",
8228 if(Adjudicate(cps)) {
8229 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8230 return; // [HGM] adjudicate: for all automatic game ends
8234 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8236 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8237 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8239 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8241 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8243 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8244 char buf[3*MSG_SIZ];
8246 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8247 programStats.score / 100.,
8249 programStats.time / 100.,
8250 (unsigned int)programStats.nodes,
8251 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8252 programStats.movelist);
8254 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8259 /* [AS] Clear stats for next move */
8260 ClearProgramStats();
8261 thinkOutput[0] = NULLCHAR;
8262 hiddenThinkOutputState = 0;
8265 if (gameMode == TwoMachinesPlay) {
8266 /* [HGM] relaying draw offers moved to after reception of move */
8267 /* and interpreting offer as claim if it brings draw condition */
8268 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8269 SendToProgram("draw\n", cps->other);
8271 if (cps->other->sendTime) {
8272 SendTimeRemaining(cps->other,
8273 cps->other->twoMachinesColor[0] == 'w');
8275 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8276 if (firstMove && !bookHit) {
8278 if (cps->other->useColors) {
8279 SendToProgram(cps->other->twoMachinesColor, cps->other);
8281 SendToProgram("go\n", cps->other);
8283 cps->other->maybeThinking = TRUE;
8286 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8288 if (!pausing && appData.ringBellAfterMoves) {
8293 * Reenable menu items that were disabled while
8294 * machine was thinking
8296 if (gameMode != TwoMachinesPlay)
8297 SetUserThinkingEnables();
8299 // [HGM] book: after book hit opponent has received move and is now in force mode
8300 // force the book reply into it, and then fake that it outputted this move by jumping
8301 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8303 static char bookMove[MSG_SIZ]; // a bit generous?
8305 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8306 strcat(bookMove, bookHit);
8309 programStats.nodes = programStats.depth = programStats.time =
8310 programStats.score = programStats.got_only_move = 0;
8311 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8313 if(cps->lastPing != cps->lastPong) {
8314 savedMessage = message; // args for deferred call
8316 ScheduleDelayedEvent(DeferredBookMove, 10);
8325 /* Set special modes for chess engines. Later something general
8326 * could be added here; for now there is just one kludge feature,
8327 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8328 * when "xboard" is given as an interactive command.
8330 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8331 cps->useSigint = FALSE;
8332 cps->useSigterm = FALSE;
8334 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8335 ParseFeatures(message+8, cps);
8336 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8339 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8340 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8341 int dummy, s=6; char buf[MSG_SIZ];
8342 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8343 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8344 if(startedFromSetupPosition) return;
8345 ParseFEN(boards[0], &dummy, message+s);
8346 DrawPosition(TRUE, boards[0]);
8347 startedFromSetupPosition = TRUE;
8350 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8351 * want this, I was asked to put it in, and obliged.
8353 if (!strncmp(message, "setboard ", 9)) {
8354 Board initial_position;
8356 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8358 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8359 DisplayError(_("Bad FEN received from engine"), 0);
8363 CopyBoard(boards[0], initial_position);
8364 initialRulePlies = FENrulePlies;
8365 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8366 else gameMode = MachinePlaysBlack;
8367 DrawPosition(FALSE, boards[currentMove]);
8373 * Look for communication commands
8375 if (!strncmp(message, "telluser ", 9)) {
8376 if(message[9] == '\\' && message[10] == '\\')
8377 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8379 DisplayNote(message + 9);
8382 if (!strncmp(message, "tellusererror ", 14)) {
8384 if(message[14] == '\\' && message[15] == '\\')
8385 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8387 DisplayError(message + 14, 0);
8390 if (!strncmp(message, "tellopponent ", 13)) {
8391 if (appData.icsActive) {
8393 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8397 DisplayNote(message + 13);
8401 if (!strncmp(message, "tellothers ", 11)) {
8402 if (appData.icsActive) {
8404 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8410 if (!strncmp(message, "tellall ", 8)) {
8411 if (appData.icsActive) {
8413 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8417 DisplayNote(message + 8);
8421 if (strncmp(message, "warning", 7) == 0) {
8422 /* Undocumented feature, use tellusererror in new code */
8423 DisplayError(message, 0);
8426 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8427 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8428 strcat(realname, " query");
8429 AskQuestion(realname, buf2, buf1, cps->pr);
8432 /* Commands from the engine directly to ICS. We don't allow these to be
8433 * sent until we are logged on. Crafty kibitzes have been known to
8434 * interfere with the login process.
8437 if (!strncmp(message, "tellics ", 8)) {
8438 SendToICS(message + 8);
8442 if (!strncmp(message, "tellicsnoalias ", 15)) {
8443 SendToICS(ics_prefix);
8444 SendToICS(message + 15);
8448 /* The following are for backward compatibility only */
8449 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8450 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8451 SendToICS(ics_prefix);
8457 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8461 * If the move is illegal, cancel it and redraw the board.
8462 * Also deal with other error cases. Matching is rather loose
8463 * here to accommodate engines written before the spec.
8465 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8466 strncmp(message, "Error", 5) == 0) {
8467 if (StrStr(message, "name") ||
8468 StrStr(message, "rating") || StrStr(message, "?") ||
8469 StrStr(message, "result") || StrStr(message, "board") ||
8470 StrStr(message, "bk") || StrStr(message, "computer") ||
8471 StrStr(message, "variant") || StrStr(message, "hint") ||
8472 StrStr(message, "random") || StrStr(message, "depth") ||
8473 StrStr(message, "accepted")) {
8476 if (StrStr(message, "protover")) {
8477 /* Program is responding to input, so it's apparently done
8478 initializing, and this error message indicates it is
8479 protocol version 1. So we don't need to wait any longer
8480 for it to initialize and send feature commands. */
8481 FeatureDone(cps, 1);
8482 cps->protocolVersion = 1;
8485 cps->maybeThinking = FALSE;
8487 if (StrStr(message, "draw")) {
8488 /* Program doesn't have "draw" command */
8489 cps->sendDrawOffers = 0;
8492 if (cps->sendTime != 1 &&
8493 (StrStr(message, "time") || StrStr(message, "otim"))) {
8494 /* Program apparently doesn't have "time" or "otim" command */
8498 if (StrStr(message, "analyze")) {
8499 cps->analysisSupport = FALSE;
8500 cps->analyzing = FALSE;
8501 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8502 EditGameEvent(); // [HGM] try to preserve loaded game
8503 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8504 DisplayError(buf2, 0);
8507 if (StrStr(message, "(no matching move)st")) {
8508 /* Special kludge for GNU Chess 4 only */
8509 cps->stKludge = TRUE;
8510 SendTimeControl(cps, movesPerSession, timeControl,
8511 timeIncrement, appData.searchDepth,
8515 if (StrStr(message, "(no matching move)sd")) {
8516 /* Special kludge for GNU Chess 4 only */
8517 cps->sdKludge = TRUE;
8518 SendTimeControl(cps, movesPerSession, timeControl,
8519 timeIncrement, appData.searchDepth,
8523 if (!StrStr(message, "llegal")) {
8526 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8527 gameMode == IcsIdle) return;
8528 if (forwardMostMove <= backwardMostMove) return;
8529 if (pausing) PauseEvent();
8530 if(appData.forceIllegal) {
8531 // [HGM] illegal: machine refused move; force position after move into it
8532 SendToProgram("force\n", cps);
8533 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8534 // we have a real problem now, as SendBoard will use the a2a3 kludge
8535 // when black is to move, while there might be nothing on a2 or black
8536 // might already have the move. So send the board as if white has the move.
8537 // But first we must change the stm of the engine, as it refused the last move
8538 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8539 if(WhiteOnMove(forwardMostMove)) {
8540 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8541 SendBoard(cps, forwardMostMove); // kludgeless board
8543 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8544 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8545 SendBoard(cps, forwardMostMove+1); // kludgeless board
8547 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8548 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8549 gameMode == TwoMachinesPlay)
8550 SendToProgram("go\n", cps);
8553 if (gameMode == PlayFromGameFile) {
8554 /* Stop reading this game file */
8555 gameMode = EditGame;
8558 /* [HGM] illegal-move claim should forfeit game when Xboard */
8559 /* only passes fully legal moves */
8560 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8561 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8562 "False illegal-move claim", GE_XBOARD );
8563 return; // do not take back move we tested as valid
8565 currentMove = forwardMostMove-1;
8566 DisplayMove(currentMove-1); /* before DisplayMoveError */
8567 SwitchClocks(forwardMostMove-1); // [HGM] race
8568 DisplayBothClocks();
8569 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8570 parseList[currentMove], _(cps->which));
8571 DisplayMoveError(buf1);
8572 DrawPosition(FALSE, boards[currentMove]);
8574 SetUserThinkingEnables();
8577 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8578 /* Program has a broken "time" command that
8579 outputs a string not ending in newline.
8585 * If chess program startup fails, exit with an error message.
8586 * Attempts to recover here are futile. [HGM] Well, we try anyway
8588 if ((StrStr(message, "unknown host") != NULL)
8589 || (StrStr(message, "No remote directory") != NULL)
8590 || (StrStr(message, "not found") != NULL)
8591 || (StrStr(message, "No such file") != NULL)
8592 || (StrStr(message, "can't alloc") != NULL)
8593 || (StrStr(message, "Permission denied") != NULL)) {
8595 cps->maybeThinking = FALSE;
8596 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8597 _(cps->which), cps->program, cps->host, message);
8598 RemoveInputSource(cps->isr);
8599 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8600 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8601 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8607 * Look for hint output
8609 if (sscanf(message, "Hint: %s", buf1) == 1) {
8610 if (cps == &first && hintRequested) {
8611 hintRequested = FALSE;
8612 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8613 &fromX, &fromY, &toX, &toY, &promoChar)) {
8614 (void) CoordsToAlgebraic(boards[forwardMostMove],
8615 PosFlags(forwardMostMove),
8616 fromY, fromX, toY, toX, promoChar, buf1);
8617 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8618 DisplayInformation(buf2);
8620 /* Hint move could not be parsed!? */
8621 snprintf(buf2, sizeof(buf2),
8622 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8623 buf1, _(cps->which));
8624 DisplayError(buf2, 0);
8627 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8633 * Ignore other messages if game is not in progress
8635 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8636 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8639 * look for win, lose, draw, or draw offer
8641 if (strncmp(message, "1-0", 3) == 0) {
8642 char *p, *q, *r = "";
8643 p = strchr(message, '{');
8651 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8653 } else if (strncmp(message, "0-1", 3) == 0) {
8654 char *p, *q, *r = "";
8655 p = strchr(message, '{');
8663 /* Kludge for Arasan 4.1 bug */
8664 if (strcmp(r, "Black resigns") == 0) {
8665 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8668 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8670 } else if (strncmp(message, "1/2", 3) == 0) {
8671 char *p, *q, *r = "";
8672 p = strchr(message, '{');
8681 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8684 } else if (strncmp(message, "White resign", 12) == 0) {
8685 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8687 } else if (strncmp(message, "Black resign", 12) == 0) {
8688 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8690 } else if (strncmp(message, "White matches", 13) == 0 ||
8691 strncmp(message, "Black matches", 13) == 0 ) {
8692 /* [HGM] ignore GNUShogi noises */
8694 } else if (strncmp(message, "White", 5) == 0 &&
8695 message[5] != '(' &&
8696 StrStr(message, "Black") == NULL) {
8697 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8699 } else if (strncmp(message, "Black", 5) == 0 &&
8700 message[5] != '(') {
8701 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8703 } else if (strcmp(message, "resign") == 0 ||
8704 strcmp(message, "computer resigns") == 0) {
8706 case MachinePlaysBlack:
8707 case IcsPlayingBlack:
8708 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8710 case MachinePlaysWhite:
8711 case IcsPlayingWhite:
8712 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8714 case TwoMachinesPlay:
8715 if (cps->twoMachinesColor[0] == 'w')
8716 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8718 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8725 } else if (strncmp(message, "opponent mates", 14) == 0) {
8727 case MachinePlaysBlack:
8728 case IcsPlayingBlack:
8729 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8731 case MachinePlaysWhite:
8732 case IcsPlayingWhite:
8733 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8735 case TwoMachinesPlay:
8736 if (cps->twoMachinesColor[0] == 'w')
8737 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8739 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8746 } else if (strncmp(message, "computer mates", 14) == 0) {
8748 case MachinePlaysBlack:
8749 case IcsPlayingBlack:
8750 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8752 case MachinePlaysWhite:
8753 case IcsPlayingWhite:
8754 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8756 case TwoMachinesPlay:
8757 if (cps->twoMachinesColor[0] == 'w')
8758 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8760 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8767 } else if (strncmp(message, "checkmate", 9) == 0) {
8768 if (WhiteOnMove(forwardMostMove)) {
8769 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8771 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8774 } else if (strstr(message, "Draw") != NULL ||
8775 strstr(message, "game is a draw") != NULL) {
8776 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8778 } else if (strstr(message, "offer") != NULL &&
8779 strstr(message, "draw") != NULL) {
8781 if (appData.zippyPlay && first.initDone) {
8782 /* Relay offer to ICS */
8783 SendToICS(ics_prefix);
8784 SendToICS("draw\n");
8787 cps->offeredDraw = 2; /* valid until this engine moves twice */
8788 if (gameMode == TwoMachinesPlay) {
8789 if (cps->other->offeredDraw) {
8790 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8791 /* [HGM] in two-machine mode we delay relaying draw offer */
8792 /* until after we also have move, to see if it is really claim */
8794 } else if (gameMode == MachinePlaysWhite ||
8795 gameMode == MachinePlaysBlack) {
8796 if (userOfferedDraw) {
8797 DisplayInformation(_("Machine accepts your draw offer"));
8798 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8800 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8807 * Look for thinking output
8809 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8810 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8812 int plylev, mvleft, mvtot, curscore, time;
8813 char mvname[MOVE_LEN];
8817 int prefixHint = FALSE;
8818 mvname[0] = NULLCHAR;
8821 case MachinePlaysBlack:
8822 case IcsPlayingBlack:
8823 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8825 case MachinePlaysWhite:
8826 case IcsPlayingWhite:
8827 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8832 case IcsObserving: /* [DM] icsEngineAnalyze */
8833 if (!appData.icsEngineAnalyze) ignore = TRUE;
8835 case TwoMachinesPlay:
8836 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8846 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8848 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8849 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8851 if (plyext != ' ' && plyext != '\t') {
8855 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8856 if( cps->scoreIsAbsolute &&
8857 ( gameMode == MachinePlaysBlack ||
8858 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8859 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8860 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8861 !WhiteOnMove(currentMove)
8864 curscore = -curscore;
8867 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8869 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8872 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8873 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8874 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8875 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8876 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8877 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8879 } else DisplayError(_("failed writing PV"), 0);
8882 tempStats.depth = plylev;
8883 tempStats.nodes = nodes;
8884 tempStats.time = time;
8885 tempStats.score = curscore;
8886 tempStats.got_only_move = 0;
8888 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8891 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8892 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8893 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8894 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8895 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8896 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8897 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8898 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8901 /* Buffer overflow protection */
8902 if (pv[0] != NULLCHAR) {
8903 if (strlen(pv) >= sizeof(tempStats.movelist)
8904 && appData.debugMode) {
8906 "PV is too long; using the first %u bytes.\n",
8907 (unsigned) sizeof(tempStats.movelist) - 1);
8910 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8912 sprintf(tempStats.movelist, " no PV\n");
8915 if (tempStats.seen_stat) {
8916 tempStats.ok_to_send = 1;
8919 if (strchr(tempStats.movelist, '(') != NULL) {
8920 tempStats.line_is_book = 1;
8921 tempStats.nr_moves = 0;
8922 tempStats.moves_left = 0;
8924 tempStats.line_is_book = 0;
8927 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8928 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8930 SendProgramStatsToFrontend( cps, &tempStats );
8933 [AS] Protect the thinkOutput buffer from overflow... this
8934 is only useful if buf1 hasn't overflowed first!
8936 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8938 (gameMode == TwoMachinesPlay ?
8939 ToUpper(cps->twoMachinesColor[0]) : ' '),
8940 ((double) curscore) / 100.0,
8941 prefixHint ? lastHint : "",
8942 prefixHint ? " " : "" );
8944 if( buf1[0] != NULLCHAR ) {
8945 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8947 if( strlen(pv) > max_len ) {
8948 if( appData.debugMode) {
8949 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8951 pv[max_len+1] = '\0';
8954 strcat( thinkOutput, pv);
8957 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8958 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8959 DisplayMove(currentMove - 1);
8963 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8964 /* crafty (9.25+) says "(only move) <move>"
8965 * if there is only 1 legal move
8967 sscanf(p, "(only move) %s", buf1);
8968 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8969 sprintf(programStats.movelist, "%s (only move)", buf1);
8970 programStats.depth = 1;
8971 programStats.nr_moves = 1;
8972 programStats.moves_left = 1;
8973 programStats.nodes = 1;
8974 programStats.time = 1;
8975 programStats.got_only_move = 1;
8977 /* Not really, but we also use this member to
8978 mean "line isn't going to change" (Crafty
8979 isn't searching, so stats won't change) */
8980 programStats.line_is_book = 1;
8982 SendProgramStatsToFrontend( cps, &programStats );
8984 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8985 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8986 DisplayMove(currentMove - 1);
8989 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8990 &time, &nodes, &plylev, &mvleft,
8991 &mvtot, mvname) >= 5) {
8992 /* The stat01: line is from Crafty (9.29+) in response
8993 to the "." command */
8994 programStats.seen_stat = 1;
8995 cps->maybeThinking = TRUE;
8997 if (programStats.got_only_move || !appData.periodicUpdates)
9000 programStats.depth = plylev;
9001 programStats.time = time;
9002 programStats.nodes = nodes;
9003 programStats.moves_left = mvleft;
9004 programStats.nr_moves = mvtot;
9005 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9006 programStats.ok_to_send = 1;
9007 programStats.movelist[0] = '\0';
9009 SendProgramStatsToFrontend( cps, &programStats );
9013 } else if (strncmp(message,"++",2) == 0) {
9014 /* Crafty 9.29+ outputs this */
9015 programStats.got_fail = 2;
9018 } else if (strncmp(message,"--",2) == 0) {
9019 /* Crafty 9.29+ outputs this */
9020 programStats.got_fail = 1;
9023 } else if (thinkOutput[0] != NULLCHAR &&
9024 strncmp(message, " ", 4) == 0) {
9025 unsigned message_len;
9028 while (*p && *p == ' ') p++;
9030 message_len = strlen( p );
9032 /* [AS] Avoid buffer overflow */
9033 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9034 strcat(thinkOutput, " ");
9035 strcat(thinkOutput, p);
9038 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9039 strcat(programStats.movelist, " ");
9040 strcat(programStats.movelist, p);
9043 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9044 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9045 DisplayMove(currentMove - 1);
9053 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9054 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9056 ChessProgramStats cpstats;
9058 if (plyext != ' ' && plyext != '\t') {
9062 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9063 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9064 curscore = -curscore;
9067 cpstats.depth = plylev;
9068 cpstats.nodes = nodes;
9069 cpstats.time = time;
9070 cpstats.score = curscore;
9071 cpstats.got_only_move = 0;
9072 cpstats.movelist[0] = '\0';
9074 if (buf1[0] != NULLCHAR) {
9075 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9078 cpstats.ok_to_send = 0;
9079 cpstats.line_is_book = 0;
9080 cpstats.nr_moves = 0;
9081 cpstats.moves_left = 0;
9083 SendProgramStatsToFrontend( cps, &cpstats );
9090 /* Parse a game score from the character string "game", and
9091 record it as the history of the current game. The game
9092 score is NOT assumed to start from the standard position.
9093 The display is not updated in any way.
9096 ParseGameHistory (char *game)
9099 int fromX, fromY, toX, toY, boardIndex;
9104 if (appData.debugMode)
9105 fprintf(debugFP, "Parsing game history: %s\n", game);
9107 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9108 gameInfo.site = StrSave(appData.icsHost);
9109 gameInfo.date = PGNDate();
9110 gameInfo.round = StrSave("-");
9112 /* Parse out names of players */
9113 while (*game == ' ') game++;
9115 while (*game != ' ') *p++ = *game++;
9117 gameInfo.white = StrSave(buf);
9118 while (*game == ' ') game++;
9120 while (*game != ' ' && *game != '\n') *p++ = *game++;
9122 gameInfo.black = StrSave(buf);
9125 boardIndex = blackPlaysFirst ? 1 : 0;
9128 yyboardindex = boardIndex;
9129 moveType = (ChessMove) Myylex();
9131 case IllegalMove: /* maybe suicide chess, etc. */
9132 if (appData.debugMode) {
9133 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9134 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9135 setbuf(debugFP, NULL);
9137 case WhitePromotion:
9138 case BlackPromotion:
9139 case WhiteNonPromotion:
9140 case BlackNonPromotion:
9142 case WhiteCapturesEnPassant:
9143 case BlackCapturesEnPassant:
9144 case WhiteKingSideCastle:
9145 case WhiteQueenSideCastle:
9146 case BlackKingSideCastle:
9147 case BlackQueenSideCastle:
9148 case WhiteKingSideCastleWild:
9149 case WhiteQueenSideCastleWild:
9150 case BlackKingSideCastleWild:
9151 case BlackQueenSideCastleWild:
9153 case WhiteHSideCastleFR:
9154 case WhiteASideCastleFR:
9155 case BlackHSideCastleFR:
9156 case BlackASideCastleFR:
9158 fromX = currentMoveString[0] - AAA;
9159 fromY = currentMoveString[1] - ONE;
9160 toX = currentMoveString[2] - AAA;
9161 toY = currentMoveString[3] - ONE;
9162 promoChar = currentMoveString[4];
9166 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9167 fromX = moveType == WhiteDrop ?
9168 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9169 (int) CharToPiece(ToLower(currentMoveString[0]));
9171 toX = currentMoveString[2] - AAA;
9172 toY = currentMoveString[3] - ONE;
9173 promoChar = NULLCHAR;
9177 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9178 if (appData.debugMode) {
9179 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9180 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9181 setbuf(debugFP, NULL);
9183 DisplayError(buf, 0);
9185 case ImpossibleMove:
9187 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9188 if (appData.debugMode) {
9189 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9190 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9191 setbuf(debugFP, NULL);
9193 DisplayError(buf, 0);
9196 if (boardIndex < backwardMostMove) {
9197 /* Oops, gap. How did that happen? */
9198 DisplayError(_("Gap in move list"), 0);
9201 backwardMostMove = blackPlaysFirst ? 1 : 0;
9202 if (boardIndex > forwardMostMove) {
9203 forwardMostMove = boardIndex;
9207 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9208 strcat(parseList[boardIndex-1], " ");
9209 strcat(parseList[boardIndex-1], yy_text);
9221 case GameUnfinished:
9222 if (gameMode == IcsExamining) {
9223 if (boardIndex < backwardMostMove) {
9224 /* Oops, gap. How did that happen? */
9227 backwardMostMove = blackPlaysFirst ? 1 : 0;
9230 gameInfo.result = moveType;
9231 p = strchr(yy_text, '{');
9232 if (p == NULL) p = strchr(yy_text, '(');
9235 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9237 q = strchr(p, *p == '{' ? '}' : ')');
9238 if (q != NULL) *q = NULLCHAR;
9241 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9242 gameInfo.resultDetails = StrSave(p);
9245 if (boardIndex >= forwardMostMove &&
9246 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9247 backwardMostMove = blackPlaysFirst ? 1 : 0;
9250 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9251 fromY, fromX, toY, toX, promoChar,
9252 parseList[boardIndex]);
9253 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9254 /* currentMoveString is set as a side-effect of yylex */
9255 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9256 strcat(moveList[boardIndex], "\n");
9258 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9259 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9265 if(gameInfo.variant != VariantShogi)
9266 strcat(parseList[boardIndex - 1], "+");
9270 strcat(parseList[boardIndex - 1], "#");
9277 /* Apply a move to the given board */
9279 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9281 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9282 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9284 /* [HGM] compute & store e.p. status and castling rights for new position */
9285 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9287 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9288 oldEP = (signed char)board[EP_STATUS];
9289 board[EP_STATUS] = EP_NONE;
9291 if (fromY == DROP_RANK) {
9293 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9294 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9297 piece = board[toY][toX] = (ChessSquare) fromX;
9301 if( board[toY][toX] != EmptySquare )
9302 board[EP_STATUS] = EP_CAPTURE;
9304 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9305 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9306 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9308 if( board[fromY][fromX] == WhitePawn ) {
9309 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9310 board[EP_STATUS] = EP_PAWN_MOVE;
9312 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9313 gameInfo.variant != VariantBerolina || toX < fromX)
9314 board[EP_STATUS] = toX | berolina;
9315 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9316 gameInfo.variant != VariantBerolina || toX > fromX)
9317 board[EP_STATUS] = toX;
9320 if( board[fromY][fromX] == BlackPawn ) {
9321 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9322 board[EP_STATUS] = EP_PAWN_MOVE;
9323 if( toY-fromY== -2) {
9324 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9325 gameInfo.variant != VariantBerolina || toX < fromX)
9326 board[EP_STATUS] = toX | berolina;
9327 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9328 gameInfo.variant != VariantBerolina || toX > fromX)
9329 board[EP_STATUS] = toX;
9333 for(i=0; i<nrCastlingRights; i++) {
9334 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9335 board[CASTLING][i] == toX && castlingRank[i] == toY
9336 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9339 if(gameInfo.variant == VariantSChess) { // update virginity
9340 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9341 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9342 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9343 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9346 if (fromX == toX && fromY == toY) return;
9348 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9349 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9350 if(gameInfo.variant == VariantKnightmate)
9351 king += (int) WhiteUnicorn - (int) WhiteKing;
9353 /* Code added by Tord: */
9354 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9355 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9356 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9357 board[fromY][fromX] = EmptySquare;
9358 board[toY][toX] = EmptySquare;
9359 if((toX > fromX) != (piece == WhiteRook)) {
9360 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9362 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9364 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9365 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9366 board[fromY][fromX] = EmptySquare;
9367 board[toY][toX] = EmptySquare;
9368 if((toX > fromX) != (piece == BlackRook)) {
9369 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9371 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9373 /* End of code added by Tord */
9375 } else if (board[fromY][fromX] == king
9376 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9377 && toY == fromY && toX > fromX+1) {
9378 board[fromY][fromX] = EmptySquare;
9379 board[toY][toX] = king;
9380 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9381 board[fromY][BOARD_RGHT-1] = EmptySquare;
9382 } else if (board[fromY][fromX] == king
9383 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9384 && toY == fromY && toX < fromX-1) {
9385 board[fromY][fromX] = EmptySquare;
9386 board[toY][toX] = king;
9387 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9388 board[fromY][BOARD_LEFT] = EmptySquare;
9389 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9390 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9391 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9393 /* white pawn promotion */
9394 board[toY][toX] = CharToPiece(ToUpper(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] == WhitePawn)
9404 && (board[toY][toX] == EmptySquare)) {
9405 board[fromY][fromX] = EmptySquare;
9406 board[toY][toX] = WhitePawn;
9407 captured = board[toY - 1][toX];
9408 board[toY - 1][toX] = EmptySquare;
9409 } else if ((fromY == BOARD_HEIGHT-4)
9411 && gameInfo.variant == VariantBerolina
9412 && (board[fromY][fromX] == WhitePawn)
9413 && (board[toY][toX] == EmptySquare)) {
9414 board[fromY][fromX] = EmptySquare;
9415 board[toY][toX] = WhitePawn;
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;
9422 } else if (board[fromY][fromX] == king
9423 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9424 && toY == fromY && toX > fromX+1) {
9425 board[fromY][fromX] = EmptySquare;
9426 board[toY][toX] = king;
9427 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9428 board[fromY][BOARD_RGHT-1] = EmptySquare;
9429 } else if (board[fromY][fromX] == king
9430 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9431 && toY == fromY && toX < fromX-1) {
9432 board[fromY][fromX] = EmptySquare;
9433 board[toY][toX] = king;
9434 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9435 board[fromY][BOARD_LEFT] = EmptySquare;
9436 } else if (fromY == 7 && fromX == 3
9437 && board[fromY][fromX] == BlackKing
9438 && toY == 7 && toX == 5) {
9439 board[fromY][fromX] = EmptySquare;
9440 board[toY][toX] = BlackKing;
9441 board[fromY][7] = EmptySquare;
9442 board[toY][4] = BlackRook;
9443 } else if (fromY == 7 && fromX == 3
9444 && board[fromY][fromX] == BlackKing
9445 && toY == 7 && toX == 1) {
9446 board[fromY][fromX] = EmptySquare;
9447 board[toY][toX] = BlackKing;
9448 board[fromY][0] = EmptySquare;
9449 board[toY][2] = BlackRook;
9450 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9451 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9452 && toY < promoRank && promoChar
9454 /* black pawn promotion */
9455 board[toY][toX] = CharToPiece(ToLower(promoChar));
9456 if(gameInfo.variant==VariantBughouse ||
9457 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9458 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9459 board[fromY][fromX] = EmptySquare;
9460 } else if ((fromY < BOARD_HEIGHT>>1)
9462 && gameInfo.variant != VariantXiangqi
9463 && gameInfo.variant != VariantBerolina
9464 && (board[fromY][fromX] == BlackPawn)
9465 && (board[toY][toX] == EmptySquare)) {
9466 board[fromY][fromX] = EmptySquare;
9467 board[toY][toX] = BlackPawn;
9468 captured = board[toY + 1][toX];
9469 board[toY + 1][toX] = EmptySquare;
9470 } else if ((fromY == 3)
9472 && gameInfo.variant == VariantBerolina
9473 && (board[fromY][fromX] == BlackPawn)
9474 && (board[toY][toX] == EmptySquare)) {
9475 board[fromY][fromX] = EmptySquare;
9476 board[toY][toX] = BlackPawn;
9477 if(oldEP & EP_BEROLIN_A) {
9478 captured = board[fromY][fromX-1];
9479 board[fromY][fromX-1] = EmptySquare;
9480 }else{ captured = board[fromY][fromX+1];
9481 board[fromY][fromX+1] = EmptySquare;
9484 board[toY][toX] = board[fromY][fromX];
9485 board[fromY][fromX] = EmptySquare;
9489 if (gameInfo.holdingsWidth != 0) {
9491 /* !!A lot more code needs to be written to support holdings */
9492 /* [HGM] OK, so I have written it. Holdings are stored in the */
9493 /* penultimate board files, so they are automaticlly stored */
9494 /* in the game history. */
9495 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9496 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9497 /* Delete from holdings, by decreasing count */
9498 /* and erasing image if necessary */
9499 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9500 if(p < (int) BlackPawn) { /* white drop */
9501 p -= (int)WhitePawn;
9502 p = PieceToNumber((ChessSquare)p);
9503 if(p >= gameInfo.holdingsSize) p = 0;
9504 if(--board[p][BOARD_WIDTH-2] <= 0)
9505 board[p][BOARD_WIDTH-1] = EmptySquare;
9506 if((int)board[p][BOARD_WIDTH-2] < 0)
9507 board[p][BOARD_WIDTH-2] = 0;
9508 } else { /* black drop */
9509 p -= (int)BlackPawn;
9510 p = PieceToNumber((ChessSquare)p);
9511 if(p >= gameInfo.holdingsSize) p = 0;
9512 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9513 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9514 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9515 board[BOARD_HEIGHT-1-p][1] = 0;
9518 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9519 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9520 /* [HGM] holdings: Add to holdings, if holdings exist */
9521 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9522 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9523 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9526 if (p >= (int) BlackPawn) {
9527 p -= (int)BlackPawn;
9528 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9529 /* in Shogi restore piece to its original first */
9530 captured = (ChessSquare) (DEMOTED captured);
9533 p = PieceToNumber((ChessSquare)p);
9534 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9535 board[p][BOARD_WIDTH-2]++;
9536 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9538 p -= (int)WhitePawn;
9539 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9540 captured = (ChessSquare) (DEMOTED captured);
9543 p = PieceToNumber((ChessSquare)p);
9544 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9545 board[BOARD_HEIGHT-1-p][1]++;
9546 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9549 } else if (gameInfo.variant == VariantAtomic) {
9550 if (captured != EmptySquare) {
9552 for (y = toY-1; y <= toY+1; y++) {
9553 for (x = toX-1; x <= toX+1; x++) {
9554 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9555 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9556 board[y][x] = EmptySquare;
9560 board[toY][toX] = EmptySquare;
9563 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9564 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9566 if(promoChar == '+') {
9567 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9568 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9569 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9570 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9571 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9572 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9573 board[toY][toX] = newPiece;
9575 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9576 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9577 // [HGM] superchess: take promotion piece out of holdings
9578 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9579 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9580 if(!--board[k][BOARD_WIDTH-2])
9581 board[k][BOARD_WIDTH-1] = EmptySquare;
9583 if(!--board[BOARD_HEIGHT-1-k][1])
9584 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9590 /* Updates forwardMostMove */
9592 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9594 // forwardMostMove++; // [HGM] bare: moved downstream
9596 (void) CoordsToAlgebraic(boards[forwardMostMove],
9597 PosFlags(forwardMostMove),
9598 fromY, fromX, toY, toX, promoChar,
9599 parseList[forwardMostMove]);
9601 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9602 int timeLeft; static int lastLoadFlag=0; int king, piece;
9603 piece = boards[forwardMostMove][fromY][fromX];
9604 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9605 if(gameInfo.variant == VariantKnightmate)
9606 king += (int) WhiteUnicorn - (int) WhiteKing;
9607 if(forwardMostMove == 0) {
9608 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9609 fprintf(serverMoves, "%s;", UserName());
9610 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9611 fprintf(serverMoves, "%s;", second.tidy);
9612 fprintf(serverMoves, "%s;", first.tidy);
9613 if(gameMode == MachinePlaysWhite)
9614 fprintf(serverMoves, "%s;", UserName());
9615 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9616 fprintf(serverMoves, "%s;", second.tidy);
9617 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9618 lastLoadFlag = loadFlag;
9620 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9621 // print castling suffix
9622 if( toY == fromY && piece == king ) {
9624 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9626 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9629 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9630 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9631 boards[forwardMostMove][toY][toX] == EmptySquare
9632 && fromX != toX && fromY != toY)
9633 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9635 if(promoChar != NULLCHAR) {
9636 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9637 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9638 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9639 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9642 char buf[MOVE_LEN*2], *p; int len;
9643 fprintf(serverMoves, "/%d/%d",
9644 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9645 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9646 else timeLeft = blackTimeRemaining/1000;
9647 fprintf(serverMoves, "/%d", timeLeft);
9648 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9649 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9650 if(p = strchr(buf, '=')) *p = NULLCHAR;
9651 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9652 fprintf(serverMoves, "/%s", buf);
9654 fflush(serverMoves);
9657 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9658 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9661 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9662 if (commentList[forwardMostMove+1] != NULL) {
9663 free(commentList[forwardMostMove+1]);
9664 commentList[forwardMostMove+1] = NULL;
9666 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9667 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9668 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9669 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9670 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9671 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9672 adjustedClock = FALSE;
9673 gameInfo.result = GameUnfinished;
9674 if (gameInfo.resultDetails != NULL) {
9675 free(gameInfo.resultDetails);
9676 gameInfo.resultDetails = NULL;
9678 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9679 moveList[forwardMostMove - 1]);
9680 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9686 if(gameInfo.variant != VariantShogi)
9687 strcat(parseList[forwardMostMove - 1], "+");
9691 strcat(parseList[forwardMostMove - 1], "#");
9697 /* Updates currentMove if not pausing */
9699 ShowMove (int fromX, int fromY, int toX, int toY)
9701 int instant = (gameMode == PlayFromGameFile) ?
9702 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9703 if(appData.noGUI) return;
9704 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9706 if (forwardMostMove == currentMove + 1) {
9707 AnimateMove(boards[forwardMostMove - 1],
9708 fromX, fromY, toX, toY);
9710 if (appData.highlightLastMove) {
9711 SetHighlights(fromX, fromY, toX, toY);
9714 currentMove = forwardMostMove;
9717 if (instant) return;
9719 DisplayMove(currentMove - 1);
9720 DrawPosition(FALSE, boards[currentMove]);
9721 DisplayBothClocks();
9722 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9726 SendEgtPath (ChessProgramState *cps)
9727 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9728 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9730 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9733 char c, *q = name+1, *r, *s;
9735 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9736 while(*p && *p != ',') *q++ = *p++;
9738 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9739 strcmp(name, ",nalimov:") == 0 ) {
9740 // take nalimov path from the menu-changeable option first, if it is defined
9741 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9742 SendToProgram(buf,cps); // send egtbpath command for nalimov
9744 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9745 (s = StrStr(appData.egtFormats, name)) != NULL) {
9746 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9747 s = r = StrStr(s, ":") + 1; // beginning of path info
9748 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9749 c = *r; *r = 0; // temporarily null-terminate path info
9750 *--q = 0; // strip of trailig ':' from name
9751 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9753 SendToProgram(buf,cps); // send egtbpath command for this format
9755 if(*p == ',') p++; // read away comma to position for next format name
9760 InitChessProgram (ChessProgramState *cps, int setup)
9761 /* setup needed to setup FRC opening position */
9763 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9764 if (appData.noChessProgram) return;
9765 hintRequested = FALSE;
9766 bookRequested = FALSE;
9768 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9769 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9770 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9771 if(cps->memSize) { /* [HGM] memory */
9772 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9773 SendToProgram(buf, cps);
9775 SendEgtPath(cps); /* [HGM] EGT */
9776 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9777 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9778 SendToProgram(buf, cps);
9781 SendToProgram(cps->initString, cps);
9782 if (gameInfo.variant != VariantNormal &&
9783 gameInfo.variant != VariantLoadable
9784 /* [HGM] also send variant if board size non-standard */
9785 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9787 char *v = VariantName(gameInfo.variant);
9788 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9789 /* [HGM] in protocol 1 we have to assume all variants valid */
9790 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9791 DisplayFatalError(buf, 0, 1);
9795 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9796 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9797 if( gameInfo.variant == VariantXiangqi )
9798 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9799 if( gameInfo.variant == VariantShogi )
9800 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9801 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9802 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9803 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9804 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9805 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9806 if( gameInfo.variant == VariantCourier )
9807 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9808 if( gameInfo.variant == VariantSuper )
9809 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9810 if( gameInfo.variant == VariantGreat )
9811 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9812 if( gameInfo.variant == VariantSChess )
9813 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9814 if( gameInfo.variant == VariantGrand )
9815 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9818 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9819 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9820 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9821 if(StrStr(cps->variants, b) == NULL) {
9822 // specific sized variant not known, check if general sizing allowed
9823 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9824 if(StrStr(cps->variants, "boardsize") == NULL) {
9825 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9826 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9827 DisplayFatalError(buf, 0, 1);
9830 /* [HGM] here we really should compare with the maximum supported board size */
9833 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9834 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9835 SendToProgram(buf, cps);
9837 currentlyInitializedVariant = gameInfo.variant;
9839 /* [HGM] send opening position in FRC to first engine */
9841 SendToProgram("force\n", cps);
9843 /* engine is now in force mode! Set flag to wake it up after first move. */
9844 setboardSpoiledMachineBlack = 1;
9848 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9849 SendToProgram(buf, cps);
9851 cps->maybeThinking = FALSE;
9852 cps->offeredDraw = 0;
9853 if (!appData.icsActive) {
9854 SendTimeControl(cps, movesPerSession, timeControl,
9855 timeIncrement, appData.searchDepth,
9858 if (appData.showThinking
9859 // [HGM] thinking: four options require thinking output to be sent
9860 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9862 SendToProgram("post\n", cps);
9864 SendToProgram("hard\n", cps);
9865 if (!appData.ponderNextMove) {
9866 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9867 it without being sure what state we are in first. "hard"
9868 is not a toggle, so that one is OK.
9870 SendToProgram("easy\n", cps);
9873 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9874 SendToProgram(buf, cps);
9876 cps->initDone = TRUE;
9877 ClearEngineOutputPane(cps == &second);
9882 StartChessProgram (ChessProgramState *cps)
9887 if (appData.noChessProgram) return;
9888 cps->initDone = FALSE;
9890 if (strcmp(cps->host, "localhost") == 0) {
9891 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9892 } else if (*appData.remoteShell == NULLCHAR) {
9893 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9895 if (*appData.remoteUser == NULLCHAR) {
9896 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9899 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9900 cps->host, appData.remoteUser, cps->program);
9902 err = StartChildProcess(buf, "", &cps->pr);
9906 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9907 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9908 if(cps != &first) return;
9909 appData.noChessProgram = TRUE;
9912 // DisplayFatalError(buf, err, 1);
9913 // cps->pr = NoProc;
9918 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9919 if (cps->protocolVersion > 1) {
9920 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9921 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9922 cps->comboCnt = 0; // and values of combo boxes
9923 SendToProgram(buf, cps);
9925 SendToProgram("xboard\n", cps);
9930 TwoMachinesEventIfReady P((void))
9932 static int curMess = 0;
9933 if (first.lastPing != first.lastPong) {
9934 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9935 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9938 if (second.lastPing != second.lastPong) {
9939 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9940 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9943 DisplayMessage("", ""); curMess = 0;
9949 MakeName (char *template)
9953 static char buf[MSG_SIZ];
9957 clock = time((time_t *)NULL);
9958 tm = localtime(&clock);
9960 while(*p++ = *template++) if(p[-1] == '%') {
9961 switch(*template++) {
9962 case 0: *p = 0; return buf;
9963 case 'Y': i = tm->tm_year+1900; break;
9964 case 'y': i = tm->tm_year-100; break;
9965 case 'M': i = tm->tm_mon+1; break;
9966 case 'd': i = tm->tm_mday; break;
9967 case 'h': i = tm->tm_hour; break;
9968 case 'm': i = tm->tm_min; break;
9969 case 's': i = tm->tm_sec; break;
9972 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9978 CountPlayers (char *p)
9981 while(p = strchr(p, '\n')) p++, n++; // count participants
9986 WriteTourneyFile (char *results, FILE *f)
9987 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9988 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9989 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9990 // create a file with tournament description
9991 fprintf(f, "-participants {%s}\n", appData.participants);
9992 fprintf(f, "-seedBase %d\n", appData.seedBase);
9993 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9994 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9995 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9996 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9997 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9998 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9999 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10000 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10001 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10002 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10003 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10004 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10006 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10008 fprintf(f, "-mps %d\n", appData.movesPerSession);
10009 fprintf(f, "-tc %s\n", appData.timeControl);
10010 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10012 fprintf(f, "-results \"%s\"\n", results);
10017 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10020 Substitute (char *participants, int expunge)
10022 int i, changed, changes=0, nPlayers=0;
10023 char *p, *q, *r, buf[MSG_SIZ];
10024 if(participants == NULL) return;
10025 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10026 r = p = participants; q = appData.participants;
10027 while(*p && *p == *q) {
10028 if(*p == '\n') r = p+1, nPlayers++;
10031 if(*p) { // difference
10032 while(*p && *p++ != '\n');
10033 while(*q && *q++ != '\n');
10034 changed = nPlayers;
10035 changes = 1 + (strcmp(p, q) != 0);
10037 if(changes == 1) { // a single engine mnemonic was changed
10038 q = r; while(*q) nPlayers += (*q++ == '\n');
10039 p = buf; while(*r && (*p = *r++) != '\n') p++;
10041 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10042 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10043 if(mnemonic[i]) { // The substitute is valid
10045 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10046 flock(fileno(f), LOCK_EX);
10047 ParseArgsFromFile(f);
10048 fseek(f, 0, SEEK_SET);
10049 FREE(appData.participants); appData.participants = participants;
10050 if(expunge) { // erase results of replaced engine
10051 int len = strlen(appData.results), w, b, dummy;
10052 for(i=0; i<len; i++) {
10053 Pairing(i, nPlayers, &w, &b, &dummy);
10054 if((w == changed || b == changed) && appData.results[i] == '*') {
10055 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10060 for(i=0; i<len; i++) {
10061 Pairing(i, nPlayers, &w, &b, &dummy);
10062 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10065 WriteTourneyFile(appData.results, f);
10066 fclose(f); // release lock
10069 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10071 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10072 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10073 free(participants);
10078 CheckPlayers (char *participants)
10081 char buf[MSG_SIZ], *p;
10082 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10083 while(p = strchr(participants, '\n')) {
10085 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10087 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10089 DisplayError(buf, 0);
10093 participants = p + 1;
10099 CreateTourney (char *name)
10102 if(matchMode && strcmp(name, appData.tourneyFile)) {
10103 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10105 if(name[0] == NULLCHAR) {
10106 if(appData.participants[0])
10107 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10110 f = fopen(name, "r");
10111 if(f) { // file exists
10112 ASSIGN(appData.tourneyFile, name);
10113 ParseArgsFromFile(f); // parse it
10115 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10116 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10117 DisplayError(_("Not enough participants"), 0);
10120 if(CheckPlayers(appData.participants)) return 0;
10121 ASSIGN(appData.tourneyFile, name);
10122 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10123 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10126 appData.noChessProgram = FALSE;
10127 appData.clockMode = TRUE;
10133 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10135 char buf[MSG_SIZ], *p, *q;
10136 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10137 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10138 skip = !all && group[0]; // if group requested, we start in skip mode
10139 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10140 p = names; q = buf; header = 0;
10141 while(*p && *p != '\n') *q++ = *p++;
10143 if(*p == '\n') p++;
10144 if(buf[0] == '#') {
10145 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10146 depth++; // we must be entering a new group
10147 if(all) continue; // suppress printing group headers when complete list requested
10149 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10151 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10152 if(engineList[i]) free(engineList[i]);
10153 engineList[i] = strdup(buf);
10154 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10155 if(engineMnemonic[i]) free(engineMnemonic[i]);
10156 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10158 sscanf(q + 8, "%s", buf + strlen(buf));
10161 engineMnemonic[i] = strdup(buf);
10164 engineList[i] = engineMnemonic[i] = NULL;
10168 // following implemented as macro to avoid type limitations
10169 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10172 SwapEngines (int n)
10173 { // swap settings for first engine and other engine (so far only some selected options)
10178 SWAP(chessProgram, p)
10180 SWAP(hasOwnBookUCI, h)
10181 SWAP(protocolVersion, h)
10183 SWAP(scoreIsAbsolute, h)
10188 SWAP(engOptions, p)
10189 SWAP(engInitString, p)
10190 SWAP(computerString, p)
10192 SWAP(fenOverride, p)
10194 SWAP(accumulateTC, h)
10199 GetEngineLine (char *s, int n)
10203 extern char *icsNames;
10204 if(!s || !*s) return 0;
10205 NamesToList(n == 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10206 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10207 if(!mnemonic[i]) return 0;
10208 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10209 if(n == 1) SwapEngines(n);
10210 ParseArgsFromString(buf);
10211 if(n == 1) SwapEngines(n);
10212 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10213 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10214 ParseArgsFromString(buf);
10220 SetPlayer (int player, char *p)
10221 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10223 char buf[MSG_SIZ], *engineName;
10224 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10225 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10226 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10228 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10229 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10230 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10231 ParseArgsFromString(buf);
10237 char *recentEngines;
10240 RecentEngineEvent (int nr)
10243 // SwapEngines(1); // bump first to second
10244 // ReplaceEngine(&second, 1); // and load it there
10245 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10246 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10247 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10248 ReplaceEngine(&first, 0);
10249 FloatToFront(&appData.recentEngineList, command[n]);
10254 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10255 { // determine players from game number
10256 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10258 if(appData.tourneyType == 0) {
10259 roundsPerCycle = (nPlayers - 1) | 1;
10260 pairingsPerRound = nPlayers / 2;
10261 } else if(appData.tourneyType > 0) {
10262 roundsPerCycle = nPlayers - appData.tourneyType;
10263 pairingsPerRound = appData.tourneyType;
10265 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10266 gamesPerCycle = gamesPerRound * roundsPerCycle;
10267 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10268 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10269 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10270 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10271 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10272 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10274 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10275 if(appData.roundSync) *syncInterval = gamesPerRound;
10277 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10279 if(appData.tourneyType == 0) {
10280 if(curPairing == (nPlayers-1)/2 ) {
10281 *whitePlayer = curRound;
10282 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10284 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10285 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10286 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10287 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10289 } else if(appData.tourneyType > 1) {
10290 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10291 *whitePlayer = curRound + appData.tourneyType;
10292 } else if(appData.tourneyType > 0) {
10293 *whitePlayer = curPairing;
10294 *blackPlayer = curRound + appData.tourneyType;
10297 // take care of white/black alternation per round.
10298 // For cycles and games this is already taken care of by default, derived from matchGame!
10299 return curRound & 1;
10303 NextTourneyGame (int nr, int *swapColors)
10304 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10306 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10308 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10309 tf = fopen(appData.tourneyFile, "r");
10310 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10311 ParseArgsFromFile(tf); fclose(tf);
10312 InitTimeControls(); // TC might be altered from tourney file
10314 nPlayers = CountPlayers(appData.participants); // count participants
10315 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10316 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10319 p = q = appData.results;
10320 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10321 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10322 DisplayMessage(_("Waiting for other game(s)"),"");
10323 waitingForGame = TRUE;
10324 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10327 waitingForGame = FALSE;
10330 if(appData.tourneyType < 0) {
10331 if(nr>=0 && !pairingReceived) {
10333 if(pairing.pr == NoProc) {
10334 if(!appData.pairingEngine[0]) {
10335 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10338 StartChessProgram(&pairing); // starts the pairing engine
10340 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10341 SendToProgram(buf, &pairing);
10342 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10343 SendToProgram(buf, &pairing);
10344 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10346 pairingReceived = 0; // ... so we continue here
10348 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10349 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10350 matchGame = 1; roundNr = nr / syncInterval + 1;
10353 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10355 // redefine engines, engine dir, etc.
10356 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10357 if(first.pr == NoProc) {
10358 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10359 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10361 if(second.pr == NoProc) {
10363 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10364 SwapEngines(1); // and make that valid for second engine by swapping
10365 InitEngine(&second, 1);
10367 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10368 UpdateLogos(FALSE); // leave display to ModeHiglight()
10374 { // performs game initialization that does not invoke engines, and then tries to start the game
10375 int res, firstWhite, swapColors = 0;
10376 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10377 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
10379 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10380 if(strcmp(buf, currentDebugFile)) { // name has changed
10381 FILE *f = fopen(buf, "w");
10382 if(f) { // if opening the new file failed, just keep using the old one
10383 ASSIGN(currentDebugFile, buf);
10387 if(appData.serverFileName) {
10388 if(serverFP) fclose(serverFP);
10389 serverFP = fopen(appData.serverFileName, "w");
10390 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10391 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10395 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10396 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10397 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10398 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10399 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10400 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10401 Reset(FALSE, first.pr != NoProc);
10402 res = LoadGameOrPosition(matchGame); // setup game
10403 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10404 if(!res) return; // abort when bad game/pos file
10405 TwoMachinesEvent();
10409 UserAdjudicationEvent (int result)
10411 ChessMove gameResult = GameIsDrawn;
10414 gameResult = WhiteWins;
10416 else if( result < 0 ) {
10417 gameResult = BlackWins;
10420 if( gameMode == TwoMachinesPlay ) {
10421 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10426 // [HGM] save: calculate checksum of game to make games easily identifiable
10428 StringCheckSum (char *s)
10431 if(s==NULL) return 0;
10432 while(*s) i = i*259 + *s++;
10440 for(i=backwardMostMove; i<forwardMostMove; i++) {
10441 sum += pvInfoList[i].depth;
10442 sum += StringCheckSum(parseList[i]);
10443 sum += StringCheckSum(commentList[i]);
10446 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10447 return sum + StringCheckSum(commentList[i]);
10448 } // end of save patch
10451 GameEnds (ChessMove result, char *resultDetails, int whosays)
10453 GameMode nextGameMode;
10455 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10457 if(endingGame) return; /* [HGM] crash: forbid recursion */
10459 if(twoBoards) { // [HGM] dual: switch back to one board
10460 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10461 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10463 if (appData.debugMode) {
10464 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10465 result, resultDetails ? resultDetails : "(null)", whosays);
10468 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10470 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10471 /* If we are playing on ICS, the server decides when the
10472 game is over, but the engine can offer to draw, claim
10476 if (appData.zippyPlay && first.initDone) {
10477 if (result == GameIsDrawn) {
10478 /* In case draw still needs to be claimed */
10479 SendToICS(ics_prefix);
10480 SendToICS("draw\n");
10481 } else if (StrCaseStr(resultDetails, "resign")) {
10482 SendToICS(ics_prefix);
10483 SendToICS("resign\n");
10487 endingGame = 0; /* [HGM] crash */
10491 /* If we're loading the game from a file, stop */
10492 if (whosays == GE_FILE) {
10493 (void) StopLoadGameTimer();
10497 /* Cancel draw offers */
10498 first.offeredDraw = second.offeredDraw = 0;
10500 /* If this is an ICS game, only ICS can really say it's done;
10501 if not, anyone can. */
10502 isIcsGame = (gameMode == IcsPlayingWhite ||
10503 gameMode == IcsPlayingBlack ||
10504 gameMode == IcsObserving ||
10505 gameMode == IcsExamining);
10507 if (!isIcsGame || whosays == GE_ICS) {
10508 /* OK -- not an ICS game, or ICS said it was done */
10510 if (!isIcsGame && !appData.noChessProgram)
10511 SetUserThinkingEnables();
10513 /* [HGM] if a machine claims the game end we verify this claim */
10514 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10515 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10517 ChessMove trueResult = (ChessMove) -1;
10519 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10520 first.twoMachinesColor[0] :
10521 second.twoMachinesColor[0] ;
10523 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10524 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10525 /* [HGM] verify: engine mate claims accepted if they were flagged */
10526 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10528 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10529 /* [HGM] verify: engine mate claims accepted if they were flagged */
10530 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10532 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10533 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10536 // now verify win claims, but not in drop games, as we don't understand those yet
10537 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10538 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10539 (result == WhiteWins && claimer == 'w' ||
10540 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10541 if (appData.debugMode) {
10542 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10543 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10545 if(result != trueResult) {
10546 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10547 result = claimer == 'w' ? BlackWins : WhiteWins;
10548 resultDetails = buf;
10551 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10552 && (forwardMostMove <= backwardMostMove ||
10553 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10554 (claimer=='b')==(forwardMostMove&1))
10556 /* [HGM] verify: draws that were not flagged are false claims */
10557 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10558 result = claimer == 'w' ? BlackWins : WhiteWins;
10559 resultDetails = buf;
10561 /* (Claiming a loss is accepted no questions asked!) */
10563 /* [HGM] bare: don't allow bare King to win */
10564 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10565 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10566 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10567 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10568 && result != GameIsDrawn)
10569 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10570 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10571 int p = (signed char)boards[forwardMostMove][i][j] - color;
10572 if(p >= 0 && p <= (int)WhiteKing) k++;
10574 if (appData.debugMode) {
10575 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10576 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10579 result = GameIsDrawn;
10580 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10581 resultDetails = buf;
10587 if(serverMoves != NULL && !loadFlag) { char c = '=';
10588 if(result==WhiteWins) c = '+';
10589 if(result==BlackWins) c = '-';
10590 if(resultDetails != NULL)
10591 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10593 if (resultDetails != NULL) {
10594 gameInfo.result = result;
10595 gameInfo.resultDetails = StrSave(resultDetails);
10597 /* display last move only if game was not loaded from file */
10598 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10599 DisplayMove(currentMove - 1);
10601 if (forwardMostMove != 0) {
10602 if (gameMode != PlayFromGameFile && gameMode != EditGame
10603 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10605 if (*appData.saveGameFile != NULLCHAR) {
10606 SaveGameToFile(appData.saveGameFile, TRUE);
10607 } else if (appData.autoSaveGames) {
10610 if (*appData.savePositionFile != NULLCHAR) {
10611 SavePositionToFile(appData.savePositionFile);
10616 /* Tell program how game ended in case it is learning */
10617 /* [HGM] Moved this to after saving the PGN, just in case */
10618 /* engine died and we got here through time loss. In that */
10619 /* case we will get a fatal error writing the pipe, which */
10620 /* would otherwise lose us the PGN. */
10621 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10622 /* output during GameEnds should never be fatal anymore */
10623 if (gameMode == MachinePlaysWhite ||
10624 gameMode == MachinePlaysBlack ||
10625 gameMode == TwoMachinesPlay ||
10626 gameMode == IcsPlayingWhite ||
10627 gameMode == IcsPlayingBlack ||
10628 gameMode == BeginningOfGame) {
10630 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10632 if (first.pr != NoProc) {
10633 SendToProgram(buf, &first);
10635 if (second.pr != NoProc &&
10636 gameMode == TwoMachinesPlay) {
10637 SendToProgram(buf, &second);
10642 if (appData.icsActive) {
10643 if (appData.quietPlay &&
10644 (gameMode == IcsPlayingWhite ||
10645 gameMode == IcsPlayingBlack)) {
10646 SendToICS(ics_prefix);
10647 SendToICS("set shout 1\n");
10649 nextGameMode = IcsIdle;
10650 ics_user_moved = FALSE;
10651 /* clean up premove. It's ugly when the game has ended and the
10652 * premove highlights are still on the board.
10655 gotPremove = FALSE;
10656 ClearPremoveHighlights();
10657 DrawPosition(FALSE, boards[currentMove]);
10659 if (whosays == GE_ICS) {
10662 if (gameMode == IcsPlayingWhite)
10664 else if(gameMode == IcsPlayingBlack)
10665 PlayIcsLossSound();
10668 if (gameMode == IcsPlayingBlack)
10670 else if(gameMode == IcsPlayingWhite)
10671 PlayIcsLossSound();
10674 PlayIcsDrawSound();
10677 PlayIcsUnfinishedSound();
10680 } else if (gameMode == EditGame ||
10681 gameMode == PlayFromGameFile ||
10682 gameMode == AnalyzeMode ||
10683 gameMode == AnalyzeFile) {
10684 nextGameMode = gameMode;
10686 nextGameMode = EndOfGame;
10691 nextGameMode = gameMode;
10694 if (appData.noChessProgram) {
10695 gameMode = nextGameMode;
10697 endingGame = 0; /* [HGM] crash */
10702 /* Put first chess program into idle state */
10703 if (first.pr != NoProc &&
10704 (gameMode == MachinePlaysWhite ||
10705 gameMode == MachinePlaysBlack ||
10706 gameMode == TwoMachinesPlay ||
10707 gameMode == IcsPlayingWhite ||
10708 gameMode == IcsPlayingBlack ||
10709 gameMode == BeginningOfGame)) {
10710 SendToProgram("force\n", &first);
10711 if (first.usePing) {
10713 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10714 SendToProgram(buf, &first);
10717 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10718 /* Kill off first chess program */
10719 if (first.isr != NULL)
10720 RemoveInputSource(first.isr);
10723 if (first.pr != NoProc) {
10725 DoSleep( appData.delayBeforeQuit );
10726 SendToProgram("quit\n", &first);
10727 DoSleep( appData.delayAfterQuit );
10728 DestroyChildProcess(first.pr, first.useSigterm);
10732 if (second.reuse) {
10733 /* Put second chess program into idle state */
10734 if (second.pr != NoProc &&
10735 gameMode == TwoMachinesPlay) {
10736 SendToProgram("force\n", &second);
10737 if (second.usePing) {
10739 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10740 SendToProgram(buf, &second);
10743 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10744 /* Kill off second chess program */
10745 if (second.isr != NULL)
10746 RemoveInputSource(second.isr);
10749 if (second.pr != NoProc) {
10750 DoSleep( appData.delayBeforeQuit );
10751 SendToProgram("quit\n", &second);
10752 DoSleep( appData.delayAfterQuit );
10753 DestroyChildProcess(second.pr, second.useSigterm);
10755 second.pr = NoProc;
10758 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10759 char resChar = '=';
10763 if (first.twoMachinesColor[0] == 'w') {
10766 second.matchWins++;
10771 if (first.twoMachinesColor[0] == 'b') {
10774 second.matchWins++;
10777 case GameUnfinished:
10783 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10784 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10785 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10786 ReserveGame(nextGame, resChar); // sets nextGame
10787 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10788 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10789 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10791 if (nextGame <= appData.matchGames && !abortMatch) {
10792 gameMode = nextGameMode;
10793 matchGame = nextGame; // this will be overruled in tourney mode!
10794 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10795 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10796 endingGame = 0; /* [HGM] crash */
10799 gameMode = nextGameMode;
10800 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10801 first.tidy, second.tidy,
10802 first.matchWins, second.matchWins,
10803 appData.matchGames - (first.matchWins + second.matchWins));
10804 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10805 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10806 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10807 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10808 first.twoMachinesColor = "black\n";
10809 second.twoMachinesColor = "white\n";
10811 first.twoMachinesColor = "white\n";
10812 second.twoMachinesColor = "black\n";
10816 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10817 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10819 gameMode = nextGameMode;
10821 endingGame = 0; /* [HGM] crash */
10822 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10823 if(matchMode == TRUE) { // match through command line: exit with or without popup
10825 ToNrEvent(forwardMostMove);
10826 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10828 } else DisplayFatalError(buf, 0, 0);
10829 } else { // match through menu; just stop, with or without popup
10830 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10833 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10834 } else DisplayNote(buf);
10836 if(ranking) free(ranking);
10840 /* Assumes program was just initialized (initString sent).
10841 Leaves program in force mode. */
10843 FeedMovesToProgram (ChessProgramState *cps, int upto)
10847 if (appData.debugMode)
10848 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10849 startedFromSetupPosition ? "position and " : "",
10850 backwardMostMove, upto, cps->which);
10851 if(currentlyInitializedVariant != gameInfo.variant) {
10853 // [HGM] variantswitch: make engine aware of new variant
10854 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10855 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10856 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10857 SendToProgram(buf, cps);
10858 currentlyInitializedVariant = gameInfo.variant;
10860 SendToProgram("force\n", cps);
10861 if (startedFromSetupPosition) {
10862 SendBoard(cps, backwardMostMove);
10863 if (appData.debugMode) {
10864 fprintf(debugFP, "feedMoves\n");
10867 for (i = backwardMostMove; i < upto; i++) {
10868 SendMoveToProgram(i, cps);
10874 ResurrectChessProgram ()
10876 /* The chess program may have exited.
10877 If so, restart it and feed it all the moves made so far. */
10878 static int doInit = 0;
10880 if (appData.noChessProgram) return 1;
10882 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10883 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10884 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10885 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10887 if (first.pr != NoProc) return 1;
10888 StartChessProgram(&first);
10890 InitChessProgram(&first, FALSE);
10891 FeedMovesToProgram(&first, currentMove);
10893 if (!first.sendTime) {
10894 /* can't tell gnuchess what its clock should read,
10895 so we bow to its notion. */
10897 timeRemaining[0][currentMove] = whiteTimeRemaining;
10898 timeRemaining[1][currentMove] = blackTimeRemaining;
10901 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10902 appData.icsEngineAnalyze) && first.analysisSupport) {
10903 SendToProgram("analyze\n", &first);
10904 first.analyzing = TRUE;
10910 * Button procedures
10913 Reset (int redraw, int init)
10917 if (appData.debugMode) {
10918 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10919 redraw, init, gameMode);
10921 CleanupTail(); // [HGM] vari: delete any stored variations
10922 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10923 pausing = pauseExamInvalid = FALSE;
10924 startedFromSetupPosition = blackPlaysFirst = FALSE;
10926 whiteFlag = blackFlag = FALSE;
10927 userOfferedDraw = FALSE;
10928 hintRequested = bookRequested = FALSE;
10929 first.maybeThinking = FALSE;
10930 second.maybeThinking = FALSE;
10931 first.bookSuspend = FALSE; // [HGM] book
10932 second.bookSuspend = FALSE;
10933 thinkOutput[0] = NULLCHAR;
10934 lastHint[0] = NULLCHAR;
10935 ClearGameInfo(&gameInfo);
10936 gameInfo.variant = StringToVariant(appData.variant);
10937 ics_user_moved = ics_clock_paused = FALSE;
10938 ics_getting_history = H_FALSE;
10940 white_holding[0] = black_holding[0] = NULLCHAR;
10941 ClearProgramStats();
10942 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10946 flipView = appData.flipView;
10947 ClearPremoveHighlights();
10948 gotPremove = FALSE;
10949 alarmSounded = FALSE;
10951 GameEnds(EndOfFile, NULL, GE_PLAYER);
10952 if(appData.serverMovesName != NULL) {
10953 /* [HGM] prepare to make moves file for broadcasting */
10954 clock_t t = clock();
10955 if(serverMoves != NULL) fclose(serverMoves);
10956 serverMoves = fopen(appData.serverMovesName, "r");
10957 if(serverMoves != NULL) {
10958 fclose(serverMoves);
10959 /* delay 15 sec before overwriting, so all clients can see end */
10960 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10962 serverMoves = fopen(appData.serverMovesName, "w");
10966 gameMode = BeginningOfGame;
10968 if(appData.icsActive) gameInfo.variant = VariantNormal;
10969 currentMove = forwardMostMove = backwardMostMove = 0;
10970 MarkTargetSquares(1);
10971 InitPosition(redraw);
10972 for (i = 0; i < MAX_MOVES; i++) {
10973 if (commentList[i] != NULL) {
10974 free(commentList[i]);
10975 commentList[i] = NULL;
10979 timeRemaining[0][0] = whiteTimeRemaining;
10980 timeRemaining[1][0] = blackTimeRemaining;
10982 if (first.pr == NoProc) {
10983 StartChessProgram(&first);
10986 InitChessProgram(&first, startedFromSetupPosition);
10989 DisplayMessage("", "");
10990 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10991 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10992 ClearMap(); // [HGM] exclude: invalidate map
10996 AutoPlayGameLoop ()
10999 if (!AutoPlayOneMove())
11001 if (matchMode || appData.timeDelay == 0)
11003 if (appData.timeDelay < 0)
11005 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11014 int fromX, fromY, toX, toY;
11016 if (appData.debugMode) {
11017 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11020 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11023 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11024 pvInfoList[currentMove].depth = programStats.depth;
11025 pvInfoList[currentMove].score = programStats.score;
11026 pvInfoList[currentMove].time = 0;
11027 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11030 if (currentMove >= forwardMostMove) {
11031 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
11032 // gameMode = EndOfGame;
11033 // ModeHighlight();
11035 /* [AS] Clear current move marker at the end of a game */
11036 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11041 toX = moveList[currentMove][2] - AAA;
11042 toY = moveList[currentMove][3] - ONE;
11044 if (moveList[currentMove][1] == '@') {
11045 if (appData.highlightLastMove) {
11046 SetHighlights(-1, -1, toX, toY);
11049 fromX = moveList[currentMove][0] - AAA;
11050 fromY = moveList[currentMove][1] - ONE;
11052 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11054 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11056 if (appData.highlightLastMove) {
11057 SetHighlights(fromX, fromY, toX, toY);
11060 DisplayMove(currentMove);
11061 SendMoveToProgram(currentMove++, &first);
11062 DisplayBothClocks();
11063 DrawPosition(FALSE, boards[currentMove]);
11064 // [HGM] PV info: always display, routine tests if empty
11065 DisplayComment(currentMove - 1, commentList[currentMove]);
11071 LoadGameOneMove (ChessMove readAhead)
11073 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11074 char promoChar = NULLCHAR;
11075 ChessMove moveType;
11076 char move[MSG_SIZ];
11079 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11080 gameMode != AnalyzeMode && gameMode != Training) {
11085 yyboardindex = forwardMostMove;
11086 if (readAhead != EndOfFile) {
11087 moveType = readAhead;
11089 if (gameFileFP == NULL)
11091 moveType = (ChessMove) Myylex();
11095 switch (moveType) {
11097 if (appData.debugMode)
11098 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11101 /* append the comment but don't display it */
11102 AppendComment(currentMove, p, FALSE);
11105 case WhiteCapturesEnPassant:
11106 case BlackCapturesEnPassant:
11107 case WhitePromotion:
11108 case BlackPromotion:
11109 case WhiteNonPromotion:
11110 case BlackNonPromotion:
11112 case WhiteKingSideCastle:
11113 case WhiteQueenSideCastle:
11114 case BlackKingSideCastle:
11115 case BlackQueenSideCastle:
11116 case WhiteKingSideCastleWild:
11117 case WhiteQueenSideCastleWild:
11118 case BlackKingSideCastleWild:
11119 case BlackQueenSideCastleWild:
11121 case WhiteHSideCastleFR:
11122 case WhiteASideCastleFR:
11123 case BlackHSideCastleFR:
11124 case BlackASideCastleFR:
11126 if (appData.debugMode)
11127 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11128 fromX = currentMoveString[0] - AAA;
11129 fromY = currentMoveString[1] - ONE;
11130 toX = currentMoveString[2] - AAA;
11131 toY = currentMoveString[3] - ONE;
11132 promoChar = currentMoveString[4];
11137 if (appData.debugMode)
11138 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11139 fromX = moveType == WhiteDrop ?
11140 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11141 (int) CharToPiece(ToLower(currentMoveString[0]));
11143 toX = currentMoveString[2] - AAA;
11144 toY = currentMoveString[3] - ONE;
11150 case GameUnfinished:
11151 if (appData.debugMode)
11152 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11153 p = strchr(yy_text, '{');
11154 if (p == NULL) p = strchr(yy_text, '(');
11157 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11159 q = strchr(p, *p == '{' ? '}' : ')');
11160 if (q != NULL) *q = NULLCHAR;
11163 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11164 GameEnds(moveType, p, GE_FILE);
11166 if (cmailMsgLoaded) {
11168 flipView = WhiteOnMove(currentMove);
11169 if (moveType == GameUnfinished) flipView = !flipView;
11170 if (appData.debugMode)
11171 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11176 if (appData.debugMode)
11177 fprintf(debugFP, "Parser hit end of file\n");
11178 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11184 if (WhiteOnMove(currentMove)) {
11185 GameEnds(BlackWins, "Black mates", GE_FILE);
11187 GameEnds(WhiteWins, "White mates", GE_FILE);
11191 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11197 case MoveNumberOne:
11198 if (lastLoadGameStart == GNUChessGame) {
11199 /* GNUChessGames have numbers, but they aren't move numbers */
11200 if (appData.debugMode)
11201 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11202 yy_text, (int) moveType);
11203 return LoadGameOneMove(EndOfFile); /* tail recursion */
11205 /* else fall thru */
11210 /* Reached start of next game in file */
11211 if (appData.debugMode)
11212 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11213 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11219 if (WhiteOnMove(currentMove)) {
11220 GameEnds(BlackWins, "Black mates", GE_FILE);
11222 GameEnds(WhiteWins, "White mates", GE_FILE);
11226 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11232 case PositionDiagram: /* should not happen; ignore */
11233 case ElapsedTime: /* ignore */
11234 case NAG: /* ignore */
11235 if (appData.debugMode)
11236 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11237 yy_text, (int) moveType);
11238 return LoadGameOneMove(EndOfFile); /* tail recursion */
11241 if (appData.testLegality) {
11242 if (appData.debugMode)
11243 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11244 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11245 (forwardMostMove / 2) + 1,
11246 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11247 DisplayError(move, 0);
11250 if (appData.debugMode)
11251 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11252 yy_text, currentMoveString);
11253 fromX = currentMoveString[0] - AAA;
11254 fromY = currentMoveString[1] - ONE;
11255 toX = currentMoveString[2] - AAA;
11256 toY = currentMoveString[3] - ONE;
11257 promoChar = currentMoveString[4];
11261 case AmbiguousMove:
11262 if (appData.debugMode)
11263 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11264 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11265 (forwardMostMove / 2) + 1,
11266 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11267 DisplayError(move, 0);
11272 case ImpossibleMove:
11273 if (appData.debugMode)
11274 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11275 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11276 (forwardMostMove / 2) + 1,
11277 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11278 DisplayError(move, 0);
11284 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11285 DrawPosition(FALSE, boards[currentMove]);
11286 DisplayBothClocks();
11287 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11288 DisplayComment(currentMove - 1, commentList[currentMove]);
11290 (void) StopLoadGameTimer();
11292 cmailOldMove = forwardMostMove;
11295 /* currentMoveString is set as a side-effect of yylex */
11297 thinkOutput[0] = NULLCHAR;
11298 MakeMove(fromX, fromY, toX, toY, promoChar);
11299 currentMove = forwardMostMove;
11304 /* Load the nth game from the given file */
11306 LoadGameFromFile (char *filename, int n, char *title, int useList)
11311 if (strcmp(filename, "-") == 0) {
11315 f = fopen(filename, "rb");
11317 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11318 DisplayError(buf, errno);
11322 if (fseek(f, 0, 0) == -1) {
11323 /* f is not seekable; probably a pipe */
11326 if (useList && n == 0) {
11327 int error = GameListBuild(f);
11329 DisplayError(_("Cannot build game list"), error);
11330 } else if (!ListEmpty(&gameList) &&
11331 ((ListGame *) gameList.tailPred)->number > 1) {
11332 GameListPopUp(f, title);
11339 return LoadGame(f, n, title, FALSE);
11344 MakeRegisteredMove ()
11346 int fromX, fromY, toX, toY;
11348 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11349 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11352 if (appData.debugMode)
11353 fprintf(debugFP, "Restoring %s for game %d\n",
11354 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11356 thinkOutput[0] = NULLCHAR;
11357 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11358 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11359 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11360 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11361 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11362 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11363 MakeMove(fromX, fromY, toX, toY, promoChar);
11364 ShowMove(fromX, fromY, toX, toY);
11366 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11373 if (WhiteOnMove(currentMove)) {
11374 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11376 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11381 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11388 if (WhiteOnMove(currentMove)) {
11389 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11391 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11396 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11407 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11409 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11413 if (gameNumber > nCmailGames) {
11414 DisplayError(_("No more games in this message"), 0);
11417 if (f == lastLoadGameFP) {
11418 int offset = gameNumber - lastLoadGameNumber;
11420 cmailMsg[0] = NULLCHAR;
11421 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11422 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11423 nCmailMovesRegistered--;
11425 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11426 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11427 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11430 if (! RegisterMove()) return FALSE;
11434 retVal = LoadGame(f, gameNumber, title, useList);
11436 /* Make move registered during previous look at this game, if any */
11437 MakeRegisteredMove();
11439 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11440 commentList[currentMove]
11441 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11442 DisplayComment(currentMove - 1, commentList[currentMove]);
11448 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11450 ReloadGame (int offset)
11452 int gameNumber = lastLoadGameNumber + offset;
11453 if (lastLoadGameFP == NULL) {
11454 DisplayError(_("No game has been loaded yet"), 0);
11457 if (gameNumber <= 0) {
11458 DisplayError(_("Can't back up any further"), 0);
11461 if (cmailMsgLoaded) {
11462 return CmailLoadGame(lastLoadGameFP, gameNumber,
11463 lastLoadGameTitle, lastLoadGameUseList);
11465 return LoadGame(lastLoadGameFP, gameNumber,
11466 lastLoadGameTitle, lastLoadGameUseList);
11470 int keys[EmptySquare+1];
11473 PositionMatches (Board b1, Board b2)
11476 switch(appData.searchMode) {
11477 case 1: return CompareWithRights(b1, b2);
11479 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11480 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11484 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11485 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11486 sum += keys[b1[r][f]] - keys[b2[r][f]];
11490 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11491 sum += keys[b1[r][f]] - keys[b2[r][f]];
11503 int pieceList[256], quickBoard[256];
11504 ChessSquare pieceType[256] = { EmptySquare };
11505 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11506 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11507 int soughtTotal, turn;
11508 Boolean epOK, flipSearch;
11511 unsigned char piece, to;
11514 #define DSIZE (250000)
11516 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11517 Move *moveDatabase = initialSpace;
11518 unsigned int movePtr, dataSize = DSIZE;
11521 MakePieceList (Board board, int *counts)
11523 int r, f, n=Q_PROMO, total=0;
11524 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11525 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11526 int sq = f + (r<<4);
11527 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11528 quickBoard[sq] = ++n;
11530 pieceType[n] = board[r][f];
11531 counts[board[r][f]]++;
11532 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11533 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11537 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11542 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11544 int sq = fromX + (fromY<<4);
11545 int piece = quickBoard[sq];
11546 quickBoard[sq] = 0;
11547 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11548 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11549 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11550 moveDatabase[movePtr++].piece = Q_WCASTL;
11551 quickBoard[sq] = piece;
11552 piece = quickBoard[from]; quickBoard[from] = 0;
11553 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11555 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11556 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11557 moveDatabase[movePtr++].piece = Q_BCASTL;
11558 quickBoard[sq] = piece;
11559 piece = quickBoard[from]; quickBoard[from] = 0;
11560 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11562 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11563 quickBoard[(fromY<<4)+toX] = 0;
11564 moveDatabase[movePtr].piece = Q_EP;
11565 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11566 moveDatabase[movePtr].to = sq;
11568 if(promoPiece != pieceType[piece]) {
11569 moveDatabase[movePtr++].piece = Q_PROMO;
11570 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11572 moveDatabase[movePtr].piece = piece;
11573 quickBoard[sq] = piece;
11578 PackGame (Board board)
11580 Move *newSpace = NULL;
11581 moveDatabase[movePtr].piece = 0; // terminate previous game
11582 if(movePtr > dataSize) {
11583 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11584 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11585 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11588 Move *p = moveDatabase, *q = newSpace;
11589 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11590 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11591 moveDatabase = newSpace;
11592 } else { // calloc failed, we must be out of memory. Too bad...
11593 dataSize = 0; // prevent calloc events for all subsequent games
11594 return 0; // and signal this one isn't cached
11598 MakePieceList(board, counts);
11603 QuickCompare (Board board, int *minCounts, int *maxCounts)
11604 { // compare according to search mode
11606 switch(appData.searchMode)
11608 case 1: // exact position match
11609 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11610 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11611 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11614 case 2: // can have extra material on empty squares
11615 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11616 if(board[r][f] == EmptySquare) continue;
11617 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11620 case 3: // material with exact Pawn structure
11621 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11622 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11623 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11624 } // fall through to material comparison
11625 case 4: // exact material
11626 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11628 case 6: // material range with given imbalance
11629 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11630 // fall through to range comparison
11631 case 5: // material range
11632 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11638 QuickScan (Board board, Move *move)
11639 { // reconstruct game,and compare all positions in it
11640 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11642 int piece = move->piece;
11643 int to = move->to, from = pieceList[piece];
11644 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11645 if(!piece) return -1;
11646 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11647 piece = (++move)->piece;
11648 from = pieceList[piece];
11649 counts[pieceType[piece]]--;
11650 pieceType[piece] = (ChessSquare) move->to;
11651 counts[move->to]++;
11652 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11653 counts[pieceType[quickBoard[to]]]--;
11654 quickBoard[to] = 0; total--;
11657 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11658 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11659 from = pieceList[piece]; // so this must be King
11660 quickBoard[from] = 0;
11661 pieceList[piece] = to;
11662 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11663 quickBoard[from] = 0; // rook
11664 quickBoard[to] = piece;
11665 to = move->to; piece = move->piece;
11669 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11670 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11671 quickBoard[from] = 0;
11673 quickBoard[to] = piece;
11674 pieceList[piece] = to;
11676 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11677 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11678 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11679 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11681 static int lastCounts[EmptySquare+1];
11683 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11684 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11685 } else stretch = 0;
11686 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11695 flipSearch = FALSE;
11696 CopyBoard(soughtBoard, boards[currentMove]);
11697 soughtTotal = MakePieceList(soughtBoard, maxSought);
11698 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11699 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11700 CopyBoard(reverseBoard, boards[currentMove]);
11701 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11702 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11703 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11704 reverseBoard[r][f] = piece;
11706 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11707 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11708 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11709 || (boards[currentMove][CASTLING][2] == NoRights ||
11710 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11711 && (boards[currentMove][CASTLING][5] == NoRights ||
11712 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11715 CopyBoard(flipBoard, soughtBoard);
11716 CopyBoard(rotateBoard, reverseBoard);
11717 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11718 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11719 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11722 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11723 if(appData.searchMode >= 5) {
11724 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11725 MakePieceList(soughtBoard, minSought);
11726 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11728 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11729 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11732 GameInfo dummyInfo;
11735 GameContainsPosition (FILE *f, ListGame *lg)
11737 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11738 int fromX, fromY, toX, toY;
11740 static int initDone=FALSE;
11742 // weed out games based on numerical tag comparison
11743 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11744 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11745 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11746 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11748 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11751 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11752 else CopyBoard(boards[scratch], initialPosition); // default start position
11755 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11756 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11759 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11760 fseek(f, lg->offset, 0);
11763 yyboardindex = scratch;
11764 quickFlag = plyNr+1;
11769 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11775 if(plyNr) return -1; // after we have seen moves, this is for new game
11778 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11779 case ImpossibleMove:
11780 case WhiteWins: // game ends here with these four
11783 case GameUnfinished:
11787 if(appData.testLegality) return -1;
11788 case WhiteCapturesEnPassant:
11789 case BlackCapturesEnPassant:
11790 case WhitePromotion:
11791 case BlackPromotion:
11792 case WhiteNonPromotion:
11793 case BlackNonPromotion:
11795 case WhiteKingSideCastle:
11796 case WhiteQueenSideCastle:
11797 case BlackKingSideCastle:
11798 case BlackQueenSideCastle:
11799 case WhiteKingSideCastleWild:
11800 case WhiteQueenSideCastleWild:
11801 case BlackKingSideCastleWild:
11802 case BlackQueenSideCastleWild:
11803 case WhiteHSideCastleFR:
11804 case WhiteASideCastleFR:
11805 case BlackHSideCastleFR:
11806 case BlackASideCastleFR:
11807 fromX = currentMoveString[0] - AAA;
11808 fromY = currentMoveString[1] - ONE;
11809 toX = currentMoveString[2] - AAA;
11810 toY = currentMoveString[3] - ONE;
11811 promoChar = currentMoveString[4];
11815 fromX = next == WhiteDrop ?
11816 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11817 (int) CharToPiece(ToLower(currentMoveString[0]));
11819 toX = currentMoveString[2] - AAA;
11820 toY = currentMoveString[3] - ONE;
11824 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11826 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11827 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11828 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11829 if(appData.findMirror) {
11830 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11831 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11836 /* Load the nth game from open file f */
11838 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11842 int gn = gameNumber;
11843 ListGame *lg = NULL;
11844 int numPGNTags = 0;
11846 GameMode oldGameMode;
11847 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11849 if (appData.debugMode)
11850 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11852 if (gameMode == Training )
11853 SetTrainingModeOff();
11855 oldGameMode = gameMode;
11856 if (gameMode != BeginningOfGame) {
11857 Reset(FALSE, TRUE);
11861 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11862 fclose(lastLoadGameFP);
11866 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11869 fseek(f, lg->offset, 0);
11870 GameListHighlight(gameNumber);
11871 pos = lg->position;
11875 DisplayError(_("Game number out of range"), 0);
11880 if (fseek(f, 0, 0) == -1) {
11881 if (f == lastLoadGameFP ?
11882 gameNumber == lastLoadGameNumber + 1 :
11886 DisplayError(_("Can't seek on game file"), 0);
11891 lastLoadGameFP = f;
11892 lastLoadGameNumber = gameNumber;
11893 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11894 lastLoadGameUseList = useList;
11898 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11899 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11900 lg->gameInfo.black);
11902 } else if (*title != NULLCHAR) {
11903 if (gameNumber > 1) {
11904 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11907 DisplayTitle(title);
11911 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11912 gameMode = PlayFromGameFile;
11916 currentMove = forwardMostMove = backwardMostMove = 0;
11917 CopyBoard(boards[0], initialPosition);
11921 * Skip the first gn-1 games in the file.
11922 * Also skip over anything that precedes an identifiable
11923 * start of game marker, to avoid being confused by
11924 * garbage at the start of the file. Currently
11925 * recognized start of game markers are the move number "1",
11926 * the pattern "gnuchess .* game", the pattern
11927 * "^[#;%] [^ ]* game file", and a PGN tag block.
11928 * A game that starts with one of the latter two patterns
11929 * will also have a move number 1, possibly
11930 * following a position diagram.
11931 * 5-4-02: Let's try being more lenient and allowing a game to
11932 * start with an unnumbered move. Does that break anything?
11934 cm = lastLoadGameStart = EndOfFile;
11936 yyboardindex = forwardMostMove;
11937 cm = (ChessMove) Myylex();
11940 if (cmailMsgLoaded) {
11941 nCmailGames = CMAIL_MAX_GAMES - gn;
11944 DisplayError(_("Game not found in file"), 0);
11951 lastLoadGameStart = cm;
11954 case MoveNumberOne:
11955 switch (lastLoadGameStart) {
11960 case MoveNumberOne:
11962 gn--; /* count this game */
11963 lastLoadGameStart = cm;
11972 switch (lastLoadGameStart) {
11975 case MoveNumberOne:
11977 gn--; /* count this game */
11978 lastLoadGameStart = cm;
11981 lastLoadGameStart = cm; /* game counted already */
11989 yyboardindex = forwardMostMove;
11990 cm = (ChessMove) Myylex();
11991 } while (cm == PGNTag || cm == Comment);
11998 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11999 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12000 != CMAIL_OLD_RESULT) {
12002 cmailResult[ CMAIL_MAX_GAMES
12003 - gn - 1] = CMAIL_OLD_RESULT;
12009 /* Only a NormalMove can be at the start of a game
12010 * without a position diagram. */
12011 if (lastLoadGameStart == EndOfFile ) {
12013 lastLoadGameStart = MoveNumberOne;
12022 if (appData.debugMode)
12023 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12025 if (cm == XBoardGame) {
12026 /* Skip any header junk before position diagram and/or move 1 */
12028 yyboardindex = forwardMostMove;
12029 cm = (ChessMove) Myylex();
12031 if (cm == EndOfFile ||
12032 cm == GNUChessGame || cm == XBoardGame) {
12033 /* Empty game; pretend end-of-file and handle later */
12038 if (cm == MoveNumberOne || cm == PositionDiagram ||
12039 cm == PGNTag || cm == Comment)
12042 } else if (cm == GNUChessGame) {
12043 if (gameInfo.event != NULL) {
12044 free(gameInfo.event);
12046 gameInfo.event = StrSave(yy_text);
12049 startedFromSetupPosition = FALSE;
12050 while (cm == PGNTag) {
12051 if (appData.debugMode)
12052 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12053 err = ParsePGNTag(yy_text, &gameInfo);
12054 if (!err) numPGNTags++;
12056 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12057 if(gameInfo.variant != oldVariant) {
12058 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12059 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12060 InitPosition(TRUE);
12061 oldVariant = gameInfo.variant;
12062 if (appData.debugMode)
12063 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12067 if (gameInfo.fen != NULL) {
12068 Board initial_position;
12069 startedFromSetupPosition = TRUE;
12070 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12072 DisplayError(_("Bad FEN position in file"), 0);
12075 CopyBoard(boards[0], initial_position);
12076 if (blackPlaysFirst) {
12077 currentMove = forwardMostMove = backwardMostMove = 1;
12078 CopyBoard(boards[1], initial_position);
12079 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12080 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12081 timeRemaining[0][1] = whiteTimeRemaining;
12082 timeRemaining[1][1] = blackTimeRemaining;
12083 if (commentList[0] != NULL) {
12084 commentList[1] = commentList[0];
12085 commentList[0] = NULL;
12088 currentMove = forwardMostMove = backwardMostMove = 0;
12090 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12092 initialRulePlies = FENrulePlies;
12093 for( i=0; i< nrCastlingRights; i++ )
12094 initialRights[i] = initial_position[CASTLING][i];
12096 yyboardindex = forwardMostMove;
12097 free(gameInfo.fen);
12098 gameInfo.fen = NULL;
12101 yyboardindex = forwardMostMove;
12102 cm = (ChessMove) Myylex();
12104 /* Handle comments interspersed among the tags */
12105 while (cm == Comment) {
12107 if (appData.debugMode)
12108 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12110 AppendComment(currentMove, p, FALSE);
12111 yyboardindex = forwardMostMove;
12112 cm = (ChessMove) Myylex();
12116 /* don't rely on existence of Event tag since if game was
12117 * pasted from clipboard the Event tag may not exist
12119 if (numPGNTags > 0){
12121 if (gameInfo.variant == VariantNormal) {
12122 VariantClass v = StringToVariant(gameInfo.event);
12123 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12124 if(v < VariantShogi) gameInfo.variant = v;
12127 if( appData.autoDisplayTags ) {
12128 tags = PGNTags(&gameInfo);
12129 TagsPopUp(tags, CmailMsg());
12134 /* Make something up, but don't display it now */
12139 if (cm == PositionDiagram) {
12142 Board initial_position;
12144 if (appData.debugMode)
12145 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12147 if (!startedFromSetupPosition) {
12149 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12150 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12161 initial_position[i][j++] = CharToPiece(*p);
12164 while (*p == ' ' || *p == '\t' ||
12165 *p == '\n' || *p == '\r') p++;
12167 if (strncmp(p, "black", strlen("black"))==0)
12168 blackPlaysFirst = TRUE;
12170 blackPlaysFirst = FALSE;
12171 startedFromSetupPosition = TRUE;
12173 CopyBoard(boards[0], initial_position);
12174 if (blackPlaysFirst) {
12175 currentMove = forwardMostMove = backwardMostMove = 1;
12176 CopyBoard(boards[1], initial_position);
12177 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12178 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12179 timeRemaining[0][1] = whiteTimeRemaining;
12180 timeRemaining[1][1] = blackTimeRemaining;
12181 if (commentList[0] != NULL) {
12182 commentList[1] = commentList[0];
12183 commentList[0] = NULL;
12186 currentMove = forwardMostMove = backwardMostMove = 0;
12189 yyboardindex = forwardMostMove;
12190 cm = (ChessMove) Myylex();
12193 if (first.pr == NoProc) {
12194 StartChessProgram(&first);
12196 InitChessProgram(&first, FALSE);
12197 SendToProgram("force\n", &first);
12198 if (startedFromSetupPosition) {
12199 SendBoard(&first, forwardMostMove);
12200 if (appData.debugMode) {
12201 fprintf(debugFP, "Load Game\n");
12203 DisplayBothClocks();
12206 /* [HGM] server: flag to write setup moves in broadcast file as one */
12207 loadFlag = appData.suppressLoadMoves;
12209 while (cm == Comment) {
12211 if (appData.debugMode)
12212 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12214 AppendComment(currentMove, p, FALSE);
12215 yyboardindex = forwardMostMove;
12216 cm = (ChessMove) Myylex();
12219 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12220 cm == WhiteWins || cm == BlackWins ||
12221 cm == GameIsDrawn || cm == GameUnfinished) {
12222 DisplayMessage("", _("No moves in game"));
12223 if (cmailMsgLoaded) {
12224 if (appData.debugMode)
12225 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12229 DrawPosition(FALSE, boards[currentMove]);
12230 DisplayBothClocks();
12231 gameMode = EditGame;
12238 // [HGM] PV info: routine tests if comment empty
12239 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12240 DisplayComment(currentMove - 1, commentList[currentMove]);
12242 if (!matchMode && appData.timeDelay != 0)
12243 DrawPosition(FALSE, boards[currentMove]);
12245 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12246 programStats.ok_to_send = 1;
12249 /* if the first token after the PGN tags is a move
12250 * and not move number 1, retrieve it from the parser
12252 if (cm != MoveNumberOne)
12253 LoadGameOneMove(cm);
12255 /* load the remaining moves from the file */
12256 while (LoadGameOneMove(EndOfFile)) {
12257 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12258 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12261 /* rewind to the start of the game */
12262 currentMove = backwardMostMove;
12264 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12266 if (oldGameMode == AnalyzeFile ||
12267 oldGameMode == AnalyzeMode) {
12268 AnalyzeFileEvent();
12271 if (!matchMode && pos > 0) {
12272 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12274 if (matchMode || appData.timeDelay == 0) {
12276 } else if (appData.timeDelay > 0) {
12277 AutoPlayGameLoop();
12280 if (appData.debugMode)
12281 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12283 loadFlag = 0; /* [HGM] true game starts */
12287 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12289 ReloadPosition (int offset)
12291 int positionNumber = lastLoadPositionNumber + offset;
12292 if (lastLoadPositionFP == NULL) {
12293 DisplayError(_("No position has been loaded yet"), 0);
12296 if (positionNumber <= 0) {
12297 DisplayError(_("Can't back up any further"), 0);
12300 return LoadPosition(lastLoadPositionFP, positionNumber,
12301 lastLoadPositionTitle);
12304 /* Load the nth position from the given file */
12306 LoadPositionFromFile (char *filename, int n, char *title)
12311 if (strcmp(filename, "-") == 0) {
12312 return LoadPosition(stdin, n, "stdin");
12314 f = fopen(filename, "rb");
12316 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12317 DisplayError(buf, errno);
12320 return LoadPosition(f, n, title);
12325 /* Load the nth position from the given open file, and close it */
12327 LoadPosition (FILE *f, int positionNumber, char *title)
12329 char *p, line[MSG_SIZ];
12330 Board initial_position;
12331 int i, j, fenMode, pn;
12333 if (gameMode == Training )
12334 SetTrainingModeOff();
12336 if (gameMode != BeginningOfGame) {
12337 Reset(FALSE, TRUE);
12339 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12340 fclose(lastLoadPositionFP);
12342 if (positionNumber == 0) positionNumber = 1;
12343 lastLoadPositionFP = f;
12344 lastLoadPositionNumber = positionNumber;
12345 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12346 if (first.pr == NoProc && !appData.noChessProgram) {
12347 StartChessProgram(&first);
12348 InitChessProgram(&first, FALSE);
12350 pn = positionNumber;
12351 if (positionNumber < 0) {
12352 /* Negative position number means to seek to that byte offset */
12353 if (fseek(f, -positionNumber, 0) == -1) {
12354 DisplayError(_("Can't seek on position file"), 0);
12359 if (fseek(f, 0, 0) == -1) {
12360 if (f == lastLoadPositionFP ?
12361 positionNumber == lastLoadPositionNumber + 1 :
12362 positionNumber == 1) {
12365 DisplayError(_("Can't seek on position file"), 0);
12370 /* See if this file is FEN or old-style xboard */
12371 if (fgets(line, MSG_SIZ, f) == NULL) {
12372 DisplayError(_("Position not found in file"), 0);
12375 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12376 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12379 if (fenMode || line[0] == '#') pn--;
12381 /* skip positions before number pn */
12382 if (fgets(line, MSG_SIZ, f) == NULL) {
12384 DisplayError(_("Position not found in file"), 0);
12387 if (fenMode || line[0] == '#') pn--;
12392 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12393 DisplayError(_("Bad FEN position in file"), 0);
12397 (void) fgets(line, MSG_SIZ, f);
12398 (void) fgets(line, MSG_SIZ, f);
12400 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12401 (void) fgets(line, MSG_SIZ, f);
12402 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12405 initial_position[i][j++] = CharToPiece(*p);
12409 blackPlaysFirst = FALSE;
12411 (void) fgets(line, MSG_SIZ, f);
12412 if (strncmp(line, "black", strlen("black"))==0)
12413 blackPlaysFirst = TRUE;
12416 startedFromSetupPosition = TRUE;
12418 CopyBoard(boards[0], initial_position);
12419 if (blackPlaysFirst) {
12420 currentMove = forwardMostMove = backwardMostMove = 1;
12421 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12422 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12423 CopyBoard(boards[1], initial_position);
12424 DisplayMessage("", _("Black to play"));
12426 currentMove = forwardMostMove = backwardMostMove = 0;
12427 DisplayMessage("", _("White to play"));
12429 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12430 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12431 SendToProgram("force\n", &first);
12432 SendBoard(&first, forwardMostMove);
12434 if (appData.debugMode) {
12436 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12437 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12438 fprintf(debugFP, "Load Position\n");
12441 if (positionNumber > 1) {
12442 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12443 DisplayTitle(line);
12445 DisplayTitle(title);
12447 gameMode = EditGame;
12450 timeRemaining[0][1] = whiteTimeRemaining;
12451 timeRemaining[1][1] = blackTimeRemaining;
12452 DrawPosition(FALSE, boards[currentMove]);
12459 CopyPlayerNameIntoFileName (char **dest, char *src)
12461 while (*src != NULLCHAR && *src != ',') {
12466 *(*dest)++ = *src++;
12472 DefaultFileName (char *ext)
12474 static char def[MSG_SIZ];
12477 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12479 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12481 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12483 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12490 /* Save the current game to the given file */
12492 SaveGameToFile (char *filename, int append)
12496 int result, i, t,tot=0;
12498 if (strcmp(filename, "-") == 0) {
12499 return SaveGame(stdout, 0, NULL);
12501 for(i=0; i<10; i++) { // upto 10 tries
12502 f = fopen(filename, append ? "a" : "w");
12503 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12504 if(f || errno != 13) break;
12505 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12509 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12510 DisplayError(buf, errno);
12513 safeStrCpy(buf, lastMsg, MSG_SIZ);
12514 DisplayMessage(_("Waiting for access to save file"), "");
12515 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12516 DisplayMessage(_("Saving game"), "");
12517 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12518 result = SaveGame(f, 0, NULL);
12519 DisplayMessage(buf, "");
12526 SavePart (char *str)
12528 static char buf[MSG_SIZ];
12531 p = strchr(str, ' ');
12532 if (p == NULL) return str;
12533 strncpy(buf, str, p - str);
12534 buf[p - str] = NULLCHAR;
12538 #define PGN_MAX_LINE 75
12540 #define PGN_SIDE_WHITE 0
12541 #define PGN_SIDE_BLACK 1
12544 FindFirstMoveOutOfBook (int side)
12548 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12549 int index = backwardMostMove;
12550 int has_book_hit = 0;
12552 if( (index % 2) != side ) {
12556 while( index < forwardMostMove ) {
12557 /* Check to see if engine is in book */
12558 int depth = pvInfoList[index].depth;
12559 int score = pvInfoList[index].score;
12565 else if( score == 0 && depth == 63 ) {
12566 in_book = 1; /* Zappa */
12568 else if( score == 2 && depth == 99 ) {
12569 in_book = 1; /* Abrok */
12572 has_book_hit += in_book;
12588 GetOutOfBookInfo (char * buf)
12592 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12594 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12595 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12599 if( oob[0] >= 0 || oob[1] >= 0 ) {
12600 for( i=0; i<2; i++ ) {
12604 if( i > 0 && oob[0] >= 0 ) {
12605 strcat( buf, " " );
12608 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12609 sprintf( buf+strlen(buf), "%s%.2f",
12610 pvInfoList[idx].score >= 0 ? "+" : "",
12611 pvInfoList[idx].score / 100.0 );
12617 /* Save game in PGN style and close the file */
12619 SaveGamePGN (FILE *f)
12621 int i, offset, linelen, newblock;
12624 int movelen, numlen, blank;
12625 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12627 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12629 PrintPGNTags(f, &gameInfo);
12631 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12633 if (backwardMostMove > 0 || startedFromSetupPosition) {
12634 char *fen = PositionToFEN(backwardMostMove, NULL);
12635 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12636 fprintf(f, "\n{--------------\n");
12637 PrintPosition(f, backwardMostMove);
12638 fprintf(f, "--------------}\n");
12642 /* [AS] Out of book annotation */
12643 if( appData.saveOutOfBookInfo ) {
12646 GetOutOfBookInfo( buf );
12648 if( buf[0] != '\0' ) {
12649 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12656 i = backwardMostMove;
12660 while (i < forwardMostMove) {
12661 /* Print comments preceding this move */
12662 if (commentList[i] != NULL) {
12663 if (linelen > 0) fprintf(f, "\n");
12664 fprintf(f, "%s", commentList[i]);
12669 /* Format move number */
12671 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12674 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12676 numtext[0] = NULLCHAR;
12678 numlen = strlen(numtext);
12681 /* Print move number */
12682 blank = linelen > 0 && numlen > 0;
12683 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12692 fprintf(f, "%s", numtext);
12696 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12697 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12700 blank = linelen > 0 && movelen > 0;
12701 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12710 fprintf(f, "%s", move_buffer);
12711 linelen += movelen;
12713 /* [AS] Add PV info if present */
12714 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12715 /* [HGM] add time */
12716 char buf[MSG_SIZ]; int seconds;
12718 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12724 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12727 seconds = (seconds + 4)/10; // round to full seconds
12729 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12731 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12734 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12735 pvInfoList[i].score >= 0 ? "+" : "",
12736 pvInfoList[i].score / 100.0,
12737 pvInfoList[i].depth,
12740 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12742 /* Print score/depth */
12743 blank = linelen > 0 && movelen > 0;
12744 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12753 fprintf(f, "%s", move_buffer);
12754 linelen += movelen;
12760 /* Start a new line */
12761 if (linelen > 0) fprintf(f, "\n");
12763 /* Print comments after last move */
12764 if (commentList[i] != NULL) {
12765 fprintf(f, "%s\n", commentList[i]);
12769 if (gameInfo.resultDetails != NULL &&
12770 gameInfo.resultDetails[0] != NULLCHAR) {
12771 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12772 PGNResult(gameInfo.result));
12774 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12778 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12782 /* Save game in old style and close the file */
12784 SaveGameOldStyle (FILE *f)
12789 tm = time((time_t *) NULL);
12791 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12794 if (backwardMostMove > 0 || startedFromSetupPosition) {
12795 fprintf(f, "\n[--------------\n");
12796 PrintPosition(f, backwardMostMove);
12797 fprintf(f, "--------------]\n");
12802 i = backwardMostMove;
12803 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12805 while (i < forwardMostMove) {
12806 if (commentList[i] != NULL) {
12807 fprintf(f, "[%s]\n", commentList[i]);
12810 if ((i % 2) == 1) {
12811 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12814 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12816 if (commentList[i] != NULL) {
12820 if (i >= forwardMostMove) {
12824 fprintf(f, "%s\n", parseList[i]);
12829 if (commentList[i] != NULL) {
12830 fprintf(f, "[%s]\n", commentList[i]);
12833 /* This isn't really the old style, but it's close enough */
12834 if (gameInfo.resultDetails != NULL &&
12835 gameInfo.resultDetails[0] != NULLCHAR) {
12836 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12837 gameInfo.resultDetails);
12839 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12846 /* Save the current game to open file f and close the file */
12848 SaveGame (FILE *f, int dummy, char *dummy2)
12850 if (gameMode == EditPosition) EditPositionDone(TRUE);
12851 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12852 if (appData.oldSaveStyle)
12853 return SaveGameOldStyle(f);
12855 return SaveGamePGN(f);
12858 /* Save the current position to the given file */
12860 SavePositionToFile (char *filename)
12865 if (strcmp(filename, "-") == 0) {
12866 return SavePosition(stdout, 0, NULL);
12868 f = fopen(filename, "a");
12870 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12871 DisplayError(buf, errno);
12874 safeStrCpy(buf, lastMsg, MSG_SIZ);
12875 DisplayMessage(_("Waiting for access to save file"), "");
12876 flock(fileno(f), LOCK_EX); // [HGM] lock
12877 DisplayMessage(_("Saving position"), "");
12878 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12879 SavePosition(f, 0, NULL);
12880 DisplayMessage(buf, "");
12886 /* Save the current position to the given open file and close the file */
12888 SavePosition (FILE *f, int dummy, char *dummy2)
12893 if (gameMode == EditPosition) EditPositionDone(TRUE);
12894 if (appData.oldSaveStyle) {
12895 tm = time((time_t *) NULL);
12897 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12899 fprintf(f, "[--------------\n");
12900 PrintPosition(f, currentMove);
12901 fprintf(f, "--------------]\n");
12903 fen = PositionToFEN(currentMove, NULL);
12904 fprintf(f, "%s\n", fen);
12912 ReloadCmailMsgEvent (int unregister)
12915 static char *inFilename = NULL;
12916 static char *outFilename;
12918 struct stat inbuf, outbuf;
12921 /* Any registered moves are unregistered if unregister is set, */
12922 /* i.e. invoked by the signal handler */
12924 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12925 cmailMoveRegistered[i] = FALSE;
12926 if (cmailCommentList[i] != NULL) {
12927 free(cmailCommentList[i]);
12928 cmailCommentList[i] = NULL;
12931 nCmailMovesRegistered = 0;
12934 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12935 cmailResult[i] = CMAIL_NOT_RESULT;
12939 if (inFilename == NULL) {
12940 /* Because the filenames are static they only get malloced once */
12941 /* and they never get freed */
12942 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12943 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12945 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12946 sprintf(outFilename, "%s.out", appData.cmailGameName);
12949 status = stat(outFilename, &outbuf);
12951 cmailMailedMove = FALSE;
12953 status = stat(inFilename, &inbuf);
12954 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12957 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12958 counts the games, notes how each one terminated, etc.
12960 It would be nice to remove this kludge and instead gather all
12961 the information while building the game list. (And to keep it
12962 in the game list nodes instead of having a bunch of fixed-size
12963 parallel arrays.) Note this will require getting each game's
12964 termination from the PGN tags, as the game list builder does
12965 not process the game moves. --mann
12967 cmailMsgLoaded = TRUE;
12968 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12970 /* Load first game in the file or popup game menu */
12971 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12973 #endif /* !WIN32 */
12981 char string[MSG_SIZ];
12983 if ( cmailMailedMove
12984 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12985 return TRUE; /* Allow free viewing */
12988 /* Unregister move to ensure that we don't leave RegisterMove */
12989 /* with the move registered when the conditions for registering no */
12991 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12992 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12993 nCmailMovesRegistered --;
12995 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12997 free(cmailCommentList[lastLoadGameNumber - 1]);
12998 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13002 if (cmailOldMove == -1) {
13003 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13007 if (currentMove > cmailOldMove + 1) {
13008 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13012 if (currentMove < cmailOldMove) {
13013 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13017 if (forwardMostMove > currentMove) {
13018 /* Silently truncate extra moves */
13022 if ( (currentMove == cmailOldMove + 1)
13023 || ( (currentMove == cmailOldMove)
13024 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13025 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13026 if (gameInfo.result != GameUnfinished) {
13027 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13030 if (commentList[currentMove] != NULL) {
13031 cmailCommentList[lastLoadGameNumber - 1]
13032 = StrSave(commentList[currentMove]);
13034 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13036 if (appData.debugMode)
13037 fprintf(debugFP, "Saving %s for game %d\n",
13038 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13040 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13042 f = fopen(string, "w");
13043 if (appData.oldSaveStyle) {
13044 SaveGameOldStyle(f); /* also closes the file */
13046 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13047 f = fopen(string, "w");
13048 SavePosition(f, 0, NULL); /* also closes the file */
13050 fprintf(f, "{--------------\n");
13051 PrintPosition(f, currentMove);
13052 fprintf(f, "--------------}\n\n");
13054 SaveGame(f, 0, NULL); /* also closes the file*/
13057 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13058 nCmailMovesRegistered ++;
13059 } else if (nCmailGames == 1) {
13060 DisplayError(_("You have not made a move yet"), 0);
13071 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13072 FILE *commandOutput;
13073 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13074 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13080 if (! cmailMsgLoaded) {
13081 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13085 if (nCmailGames == nCmailResults) {
13086 DisplayError(_("No unfinished games"), 0);
13090 #if CMAIL_PROHIBIT_REMAIL
13091 if (cmailMailedMove) {
13092 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);
13093 DisplayError(msg, 0);
13098 if (! (cmailMailedMove || RegisterMove())) return;
13100 if ( cmailMailedMove
13101 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13102 snprintf(string, MSG_SIZ, partCommandString,
13103 appData.debugMode ? " -v" : "", appData.cmailGameName);
13104 commandOutput = popen(string, "r");
13106 if (commandOutput == NULL) {
13107 DisplayError(_("Failed to invoke cmail"), 0);
13109 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13110 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13112 if (nBuffers > 1) {
13113 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13114 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13115 nBytes = MSG_SIZ - 1;
13117 (void) memcpy(msg, buffer, nBytes);
13119 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13121 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13122 cmailMailedMove = TRUE; /* Prevent >1 moves */
13125 for (i = 0; i < nCmailGames; i ++) {
13126 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13131 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13133 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13135 appData.cmailGameName,
13137 LoadGameFromFile(buffer, 1, buffer, FALSE);
13138 cmailMsgLoaded = FALSE;
13142 DisplayInformation(msg);
13143 pclose(commandOutput);
13146 if ((*cmailMsg) != '\0') {
13147 DisplayInformation(cmailMsg);
13152 #endif /* !WIN32 */
13161 int prependComma = 0;
13163 char string[MSG_SIZ]; /* Space for game-list */
13166 if (!cmailMsgLoaded) return "";
13168 if (cmailMailedMove) {
13169 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13171 /* Create a list of games left */
13172 snprintf(string, MSG_SIZ, "[");
13173 for (i = 0; i < nCmailGames; i ++) {
13174 if (! ( cmailMoveRegistered[i]
13175 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13176 if (prependComma) {
13177 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13179 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13183 strcat(string, number);
13186 strcat(string, "]");
13188 if (nCmailMovesRegistered + nCmailResults == 0) {
13189 switch (nCmailGames) {
13191 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13195 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13199 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13204 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13206 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13211 if (nCmailResults == nCmailGames) {
13212 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13214 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13219 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13231 if (gameMode == Training)
13232 SetTrainingModeOff();
13235 cmailMsgLoaded = FALSE;
13236 if (appData.icsActive) {
13237 SendToICS(ics_prefix);
13238 SendToICS("refresh\n");
13243 ExitEvent (int status)
13247 /* Give up on clean exit */
13251 /* Keep trying for clean exit */
13255 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13257 if (telnetISR != NULL) {
13258 RemoveInputSource(telnetISR);
13260 if (icsPR != NoProc) {
13261 DestroyChildProcess(icsPR, TRUE);
13264 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13265 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13267 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13268 /* make sure this other one finishes before killing it! */
13269 if(endingGame) { int count = 0;
13270 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13271 while(endingGame && count++ < 10) DoSleep(1);
13272 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13275 /* Kill off chess programs */
13276 if (first.pr != NoProc) {
13279 DoSleep( appData.delayBeforeQuit );
13280 SendToProgram("quit\n", &first);
13281 DoSleep( appData.delayAfterQuit );
13282 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13284 if (second.pr != NoProc) {
13285 DoSleep( appData.delayBeforeQuit );
13286 SendToProgram("quit\n", &second);
13287 DoSleep( appData.delayAfterQuit );
13288 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13290 if (first.isr != NULL) {
13291 RemoveInputSource(first.isr);
13293 if (second.isr != NULL) {
13294 RemoveInputSource(second.isr);
13297 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13298 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13300 ShutDownFrontEnd();
13307 if (appData.debugMode)
13308 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13312 if (gameMode == MachinePlaysWhite ||
13313 gameMode == MachinePlaysBlack) {
13316 DisplayBothClocks();
13318 if (gameMode == PlayFromGameFile) {
13319 if (appData.timeDelay >= 0)
13320 AutoPlayGameLoop();
13321 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13322 Reset(FALSE, TRUE);
13323 SendToICS(ics_prefix);
13324 SendToICS("refresh\n");
13325 } else if (currentMove < forwardMostMove) {
13326 ForwardInner(forwardMostMove);
13328 pauseExamInvalid = FALSE;
13330 switch (gameMode) {
13334 pauseExamForwardMostMove = forwardMostMove;
13335 pauseExamInvalid = FALSE;
13338 case IcsPlayingWhite:
13339 case IcsPlayingBlack:
13343 case PlayFromGameFile:
13344 (void) StopLoadGameTimer();
13348 case BeginningOfGame:
13349 if (appData.icsActive) return;
13350 /* else fall through */
13351 case MachinePlaysWhite:
13352 case MachinePlaysBlack:
13353 case TwoMachinesPlay:
13354 if (forwardMostMove == 0)
13355 return; /* don't pause if no one has moved */
13356 if ((gameMode == MachinePlaysWhite &&
13357 !WhiteOnMove(forwardMostMove)) ||
13358 (gameMode == MachinePlaysBlack &&
13359 WhiteOnMove(forwardMostMove))) {
13370 EditCommentEvent ()
13372 char title[MSG_SIZ];
13374 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13375 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13377 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13378 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13379 parseList[currentMove - 1]);
13382 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13389 char *tags = PGNTags(&gameInfo);
13391 EditTagsPopUp(tags, NULL);
13398 if(second.analyzing) {
13399 SendToProgram("exit\n", &second);
13400 second.analyzing = FALSE;
13402 if (second.pr == NoProc) StartChessProgram(&second);
13403 InitChessProgram(&second, FALSE);
13404 FeedMovesToProgram(&second, currentMove);
13406 SendToProgram("analyze\n", &second);
13407 second.analyzing = TRUE;
13412 AnalyzeModeEvent ()
13414 if (gameMode == AnalyzeMode) { ToggleSecond(); return; }
13415 if (appData.noChessProgram || gameMode == AnalyzeMode)
13418 if (gameMode != AnalyzeFile) {
13419 if (!appData.icsEngineAnalyze) {
13421 if (gameMode != EditGame) return;
13423 ResurrectChessProgram();
13424 SendToProgram("analyze\n", &first);
13425 first.analyzing = TRUE;
13426 /*first.maybeThinking = TRUE;*/
13427 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13428 EngineOutputPopUp();
13430 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13435 StartAnalysisClock();
13436 GetTimeMark(&lastNodeCountTime);
13441 AnalyzeFileEvent ()
13443 if (appData.noChessProgram || gameMode == AnalyzeFile)
13446 if (gameMode != AnalyzeMode) {
13448 if (gameMode != EditGame) return;
13449 ResurrectChessProgram();
13450 SendToProgram("analyze\n", &first);
13451 first.analyzing = TRUE;
13452 /*first.maybeThinking = TRUE;*/
13453 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13454 EngineOutputPopUp();
13456 gameMode = AnalyzeFile;
13461 StartAnalysisClock();
13462 GetTimeMark(&lastNodeCountTime);
13464 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13468 MachineWhiteEvent ()
13471 char *bookHit = NULL;
13473 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13477 if (gameMode == PlayFromGameFile ||
13478 gameMode == TwoMachinesPlay ||
13479 gameMode == Training ||
13480 gameMode == AnalyzeMode ||
13481 gameMode == EndOfGame)
13484 if (gameMode == EditPosition)
13485 EditPositionDone(TRUE);
13487 if (!WhiteOnMove(currentMove)) {
13488 DisplayError(_("It is not White's turn"), 0);
13492 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13495 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13496 gameMode == AnalyzeFile)
13499 ResurrectChessProgram(); /* in case it isn't running */
13500 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13501 gameMode = MachinePlaysWhite;
13504 gameMode = MachinePlaysWhite;
13508 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13510 if (first.sendName) {
13511 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13512 SendToProgram(buf, &first);
13514 if (first.sendTime) {
13515 if (first.useColors) {
13516 SendToProgram("black\n", &first); /*gnu kludge*/
13518 SendTimeRemaining(&first, TRUE);
13520 if (first.useColors) {
13521 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13523 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13524 SetMachineThinkingEnables();
13525 first.maybeThinking = TRUE;
13529 if (appData.autoFlipView && !flipView) {
13530 flipView = !flipView;
13531 DrawPosition(FALSE, NULL);
13532 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13535 if(bookHit) { // [HGM] book: simulate book reply
13536 static char bookMove[MSG_SIZ]; // a bit generous?
13538 programStats.nodes = programStats.depth = programStats.time =
13539 programStats.score = programStats.got_only_move = 0;
13540 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13542 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13543 strcat(bookMove, bookHit);
13544 HandleMachineMove(bookMove, &first);
13549 MachineBlackEvent ()
13552 char *bookHit = NULL;
13554 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13558 if (gameMode == PlayFromGameFile ||
13559 gameMode == TwoMachinesPlay ||
13560 gameMode == Training ||
13561 gameMode == AnalyzeMode ||
13562 gameMode == EndOfGame)
13565 if (gameMode == EditPosition)
13566 EditPositionDone(TRUE);
13568 if (WhiteOnMove(currentMove)) {
13569 DisplayError(_("It is not Black's turn"), 0);
13573 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13576 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13577 gameMode == AnalyzeFile)
13580 ResurrectChessProgram(); /* in case it isn't running */
13581 gameMode = MachinePlaysBlack;
13585 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13587 if (first.sendName) {
13588 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13589 SendToProgram(buf, &first);
13591 if (first.sendTime) {
13592 if (first.useColors) {
13593 SendToProgram("white\n", &first); /*gnu kludge*/
13595 SendTimeRemaining(&first, FALSE);
13597 if (first.useColors) {
13598 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13600 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13601 SetMachineThinkingEnables();
13602 first.maybeThinking = TRUE;
13605 if (appData.autoFlipView && flipView) {
13606 flipView = !flipView;
13607 DrawPosition(FALSE, NULL);
13608 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13610 if(bookHit) { // [HGM] book: simulate book reply
13611 static char bookMove[MSG_SIZ]; // a bit generous?
13613 programStats.nodes = programStats.depth = programStats.time =
13614 programStats.score = programStats.got_only_move = 0;
13615 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13617 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13618 strcat(bookMove, bookHit);
13619 HandleMachineMove(bookMove, &first);
13625 DisplayTwoMachinesTitle ()
13628 if (appData.matchGames > 0) {
13629 if(appData.tourneyFile[0]) {
13630 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13631 gameInfo.white, _("vs."), gameInfo.black,
13632 nextGame+1, appData.matchGames+1,
13633 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13635 if (first.twoMachinesColor[0] == 'w') {
13636 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13637 gameInfo.white, _("vs."), gameInfo.black,
13638 first.matchWins, second.matchWins,
13639 matchGame - 1 - (first.matchWins + second.matchWins));
13641 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13642 gameInfo.white, _("vs."), gameInfo.black,
13643 second.matchWins, first.matchWins,
13644 matchGame - 1 - (first.matchWins + second.matchWins));
13647 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13653 SettingsMenuIfReady ()
13655 if (second.lastPing != second.lastPong) {
13656 DisplayMessage("", _("Waiting for second chess program"));
13657 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13661 DisplayMessage("", "");
13662 SettingsPopUp(&second);
13666 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13669 if (cps->pr == NoProc) {
13670 StartChessProgram(cps);
13671 if (cps->protocolVersion == 1) {
13674 /* kludge: allow timeout for initial "feature" command */
13676 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13677 DisplayMessage("", buf);
13678 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13686 TwoMachinesEvent P((void))
13690 ChessProgramState *onmove;
13691 char *bookHit = NULL;
13692 static int stalling = 0;
13696 if (appData.noChessProgram) return;
13698 switch (gameMode) {
13699 case TwoMachinesPlay:
13701 case MachinePlaysWhite:
13702 case MachinePlaysBlack:
13703 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13704 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13708 case BeginningOfGame:
13709 case PlayFromGameFile:
13712 if (gameMode != EditGame) return;
13715 EditPositionDone(TRUE);
13726 // forwardMostMove = currentMove;
13727 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13729 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13731 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13732 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13733 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13737 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13738 DisplayError("second engine does not play this", 0);
13743 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13744 SendToProgram("force\n", &second);
13746 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13749 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13750 if(appData.matchPause>10000 || appData.matchPause<10)
13751 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13752 wait = SubtractTimeMarks(&now, &pauseStart);
13753 if(wait < appData.matchPause) {
13754 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13757 // we are now committed to starting the game
13759 DisplayMessage("", "");
13760 if (startedFromSetupPosition) {
13761 SendBoard(&second, backwardMostMove);
13762 if (appData.debugMode) {
13763 fprintf(debugFP, "Two Machines\n");
13766 for (i = backwardMostMove; i < forwardMostMove; i++) {
13767 SendMoveToProgram(i, &second);
13770 gameMode = TwoMachinesPlay;
13772 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13774 DisplayTwoMachinesTitle();
13776 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13781 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13782 SendToProgram(first.computerString, &first);
13783 if (first.sendName) {
13784 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13785 SendToProgram(buf, &first);
13787 SendToProgram(second.computerString, &second);
13788 if (second.sendName) {
13789 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13790 SendToProgram(buf, &second);
13794 if (!first.sendTime || !second.sendTime) {
13795 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13796 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13798 if (onmove->sendTime) {
13799 if (onmove->useColors) {
13800 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13802 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13804 if (onmove->useColors) {
13805 SendToProgram(onmove->twoMachinesColor, onmove);
13807 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13808 // SendToProgram("go\n", onmove);
13809 onmove->maybeThinking = TRUE;
13810 SetMachineThinkingEnables();
13814 if(bookHit) { // [HGM] book: simulate book reply
13815 static char bookMove[MSG_SIZ]; // a bit generous?
13817 programStats.nodes = programStats.depth = programStats.time =
13818 programStats.score = programStats.got_only_move = 0;
13819 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13821 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13822 strcat(bookMove, bookHit);
13823 savedMessage = bookMove; // args for deferred call
13824 savedState = onmove;
13825 ScheduleDelayedEvent(DeferredBookMove, 1);
13832 if (gameMode == Training) {
13833 SetTrainingModeOff();
13834 gameMode = PlayFromGameFile;
13835 DisplayMessage("", _("Training mode off"));
13837 gameMode = Training;
13838 animateTraining = appData.animate;
13840 /* make sure we are not already at the end of the game */
13841 if (currentMove < forwardMostMove) {
13842 SetTrainingModeOn();
13843 DisplayMessage("", _("Training mode on"));
13845 gameMode = PlayFromGameFile;
13846 DisplayError(_("Already at end of game"), 0);
13855 if (!appData.icsActive) return;
13856 switch (gameMode) {
13857 case IcsPlayingWhite:
13858 case IcsPlayingBlack:
13861 case BeginningOfGame:
13869 EditPositionDone(TRUE);
13882 gameMode = IcsIdle;
13892 switch (gameMode) {
13894 SetTrainingModeOff();
13896 case MachinePlaysWhite:
13897 case MachinePlaysBlack:
13898 case BeginningOfGame:
13899 SendToProgram("force\n", &first);
13900 SetUserThinkingEnables();
13902 case PlayFromGameFile:
13903 (void) StopLoadGameTimer();
13904 if (gameFileFP != NULL) {
13909 EditPositionDone(TRUE);
13914 SendToProgram("force\n", &first);
13916 case TwoMachinesPlay:
13917 GameEnds(EndOfFile, NULL, GE_PLAYER);
13918 ResurrectChessProgram();
13919 SetUserThinkingEnables();
13922 ResurrectChessProgram();
13924 case IcsPlayingBlack:
13925 case IcsPlayingWhite:
13926 DisplayError(_("Warning: You are still playing a game"), 0);
13929 DisplayError(_("Warning: You are still observing a game"), 0);
13932 DisplayError(_("Warning: You are still examining a game"), 0);
13943 first.offeredDraw = second.offeredDraw = 0;
13945 if (gameMode == PlayFromGameFile) {
13946 whiteTimeRemaining = timeRemaining[0][currentMove];
13947 blackTimeRemaining = timeRemaining[1][currentMove];
13951 if (gameMode == MachinePlaysWhite ||
13952 gameMode == MachinePlaysBlack ||
13953 gameMode == TwoMachinesPlay ||
13954 gameMode == EndOfGame) {
13955 i = forwardMostMove;
13956 while (i > currentMove) {
13957 SendToProgram("undo\n", &first);
13960 if(!adjustedClock) {
13961 whiteTimeRemaining = timeRemaining[0][currentMove];
13962 blackTimeRemaining = timeRemaining[1][currentMove];
13963 DisplayBothClocks();
13965 if (whiteFlag || blackFlag) {
13966 whiteFlag = blackFlag = 0;
13971 gameMode = EditGame;
13978 EditPositionEvent ()
13980 if (gameMode == EditPosition) {
13986 if (gameMode != EditGame) return;
13988 gameMode = EditPosition;
13991 if (currentMove > 0)
13992 CopyBoard(boards[0], boards[currentMove]);
13994 blackPlaysFirst = !WhiteOnMove(currentMove);
13996 currentMove = forwardMostMove = backwardMostMove = 0;
13997 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13999 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14005 /* [DM] icsEngineAnalyze - possible call from other functions */
14006 if (appData.icsEngineAnalyze) {
14007 appData.icsEngineAnalyze = FALSE;
14009 DisplayMessage("",_("Close ICS engine analyze..."));
14011 if (first.analysisSupport && first.analyzing) {
14012 SendToBoth("exit\n");
14013 first.analyzing = second.analyzing = FALSE;
14015 thinkOutput[0] = NULLCHAR;
14019 EditPositionDone (Boolean fakeRights)
14021 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14023 startedFromSetupPosition = TRUE;
14024 InitChessProgram(&first, FALSE);
14025 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14026 boards[0][EP_STATUS] = EP_NONE;
14027 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14028 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14029 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14030 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14031 } else boards[0][CASTLING][2] = NoRights;
14032 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14033 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14034 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14035 } else boards[0][CASTLING][5] = NoRights;
14036 if(gameInfo.variant == VariantSChess) {
14038 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14039 boards[0][VIRGIN][i] = 0;
14040 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14041 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14045 SendToProgram("force\n", &first);
14046 if (blackPlaysFirst) {
14047 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14048 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14049 currentMove = forwardMostMove = backwardMostMove = 1;
14050 CopyBoard(boards[1], boards[0]);
14052 currentMove = forwardMostMove = backwardMostMove = 0;
14054 SendBoard(&first, forwardMostMove);
14055 if (appData.debugMode) {
14056 fprintf(debugFP, "EditPosDone\n");
14059 DisplayMessage("", "");
14060 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14061 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14062 gameMode = EditGame;
14064 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14065 ClearHighlights(); /* [AS] */
14068 /* Pause for `ms' milliseconds */
14069 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14071 TimeDelay (long ms)
14078 } while (SubtractTimeMarks(&m2, &m1) < ms);
14081 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14083 SendMultiLineToICS (char *buf)
14085 char temp[MSG_SIZ+1], *p;
14092 strncpy(temp, buf, len);
14097 if (*p == '\n' || *p == '\r')
14102 strcat(temp, "\n");
14104 SendToPlayer(temp, strlen(temp));
14108 SetWhiteToPlayEvent ()
14110 if (gameMode == EditPosition) {
14111 blackPlaysFirst = FALSE;
14112 DisplayBothClocks(); /* works because currentMove is 0 */
14113 } else if (gameMode == IcsExamining) {
14114 SendToICS(ics_prefix);
14115 SendToICS("tomove white\n");
14120 SetBlackToPlayEvent ()
14122 if (gameMode == EditPosition) {
14123 blackPlaysFirst = TRUE;
14124 currentMove = 1; /* kludge */
14125 DisplayBothClocks();
14127 } else if (gameMode == IcsExamining) {
14128 SendToICS(ics_prefix);
14129 SendToICS("tomove black\n");
14134 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14137 ChessSquare piece = boards[0][y][x];
14139 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14141 switch (selection) {
14143 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14144 SendToICS(ics_prefix);
14145 SendToICS("bsetup clear\n");
14146 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14147 SendToICS(ics_prefix);
14148 SendToICS("clearboard\n");
14150 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14151 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14152 for (y = 0; y < BOARD_HEIGHT; y++) {
14153 if (gameMode == IcsExamining) {
14154 if (boards[currentMove][y][x] != EmptySquare) {
14155 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14160 boards[0][y][x] = p;
14165 if (gameMode == EditPosition) {
14166 DrawPosition(FALSE, boards[0]);
14171 SetWhiteToPlayEvent();
14175 SetBlackToPlayEvent();
14179 if (gameMode == IcsExamining) {
14180 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14181 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14184 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14185 if(x == BOARD_LEFT-2) {
14186 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14187 boards[0][y][1] = 0;
14189 if(x == BOARD_RGHT+1) {
14190 if(y >= gameInfo.holdingsSize) break;
14191 boards[0][y][BOARD_WIDTH-2] = 0;
14194 boards[0][y][x] = EmptySquare;
14195 DrawPosition(FALSE, boards[0]);
14200 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14201 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14202 selection = (ChessSquare) (PROMOTED piece);
14203 } else if(piece == EmptySquare) selection = WhiteSilver;
14204 else selection = (ChessSquare)((int)piece - 1);
14208 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14209 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14210 selection = (ChessSquare) (DEMOTED piece);
14211 } else if(piece == EmptySquare) selection = BlackSilver;
14212 else selection = (ChessSquare)((int)piece + 1);
14217 if(gameInfo.variant == VariantShatranj ||
14218 gameInfo.variant == VariantXiangqi ||
14219 gameInfo.variant == VariantCourier ||
14220 gameInfo.variant == VariantMakruk )
14221 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14226 if(gameInfo.variant == VariantXiangqi)
14227 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14228 if(gameInfo.variant == VariantKnightmate)
14229 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14232 if (gameMode == IcsExamining) {
14233 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14234 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14235 PieceToChar(selection), AAA + x, ONE + y);
14238 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14240 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14241 n = PieceToNumber(selection - BlackPawn);
14242 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14243 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14244 boards[0][BOARD_HEIGHT-1-n][1]++;
14246 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14247 n = PieceToNumber(selection);
14248 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14249 boards[0][n][BOARD_WIDTH-1] = selection;
14250 boards[0][n][BOARD_WIDTH-2]++;
14253 boards[0][y][x] = selection;
14254 DrawPosition(TRUE, boards[0]);
14256 fromX = fromY = -1;
14264 DropMenuEvent (ChessSquare selection, int x, int y)
14266 ChessMove moveType;
14268 switch (gameMode) {
14269 case IcsPlayingWhite:
14270 case MachinePlaysBlack:
14271 if (!WhiteOnMove(currentMove)) {
14272 DisplayMoveError(_("It is Black's turn"));
14275 moveType = WhiteDrop;
14277 case IcsPlayingBlack:
14278 case MachinePlaysWhite:
14279 if (WhiteOnMove(currentMove)) {
14280 DisplayMoveError(_("It is White's turn"));
14283 moveType = BlackDrop;
14286 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14292 if (moveType == BlackDrop && selection < BlackPawn) {
14293 selection = (ChessSquare) ((int) selection
14294 + (int) BlackPawn - (int) WhitePawn);
14296 if (boards[currentMove][y][x] != EmptySquare) {
14297 DisplayMoveError(_("That square is occupied"));
14301 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14307 /* Accept a pending offer of any kind from opponent */
14309 if (appData.icsActive) {
14310 SendToICS(ics_prefix);
14311 SendToICS("accept\n");
14312 } else if (cmailMsgLoaded) {
14313 if (currentMove == cmailOldMove &&
14314 commentList[cmailOldMove] != NULL &&
14315 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14316 "Black offers a draw" : "White offers a draw")) {
14318 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14319 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14321 DisplayError(_("There is no pending offer on this move"), 0);
14322 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14325 /* Not used for offers from chess program */
14332 /* Decline a pending offer of any kind from opponent */
14334 if (appData.icsActive) {
14335 SendToICS(ics_prefix);
14336 SendToICS("decline\n");
14337 } else if (cmailMsgLoaded) {
14338 if (currentMove == cmailOldMove &&
14339 commentList[cmailOldMove] != NULL &&
14340 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14341 "Black offers a draw" : "White offers a draw")) {
14343 AppendComment(cmailOldMove, "Draw declined", TRUE);
14344 DisplayComment(cmailOldMove - 1, "Draw declined");
14347 DisplayError(_("There is no pending offer on this move"), 0);
14350 /* Not used for offers from chess program */
14357 /* Issue ICS rematch command */
14358 if (appData.icsActive) {
14359 SendToICS(ics_prefix);
14360 SendToICS("rematch\n");
14367 /* Call your opponent's flag (claim a win on time) */
14368 if (appData.icsActive) {
14369 SendToICS(ics_prefix);
14370 SendToICS("flag\n");
14372 switch (gameMode) {
14375 case MachinePlaysWhite:
14378 GameEnds(GameIsDrawn, "Both players ran out of time",
14381 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14383 DisplayError(_("Your opponent is not out of time"), 0);
14386 case MachinePlaysBlack:
14389 GameEnds(GameIsDrawn, "Both players ran out of time",
14392 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14394 DisplayError(_("Your opponent is not out of time"), 0);
14402 ClockClick (int which)
14403 { // [HGM] code moved to back-end from winboard.c
14404 if(which) { // black clock
14405 if (gameMode == EditPosition || gameMode == IcsExamining) {
14406 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14407 SetBlackToPlayEvent();
14408 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14409 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14410 } else if (shiftKey) {
14411 AdjustClock(which, -1);
14412 } else if (gameMode == IcsPlayingWhite ||
14413 gameMode == MachinePlaysBlack) {
14416 } else { // white clock
14417 if (gameMode == EditPosition || gameMode == IcsExamining) {
14418 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14419 SetWhiteToPlayEvent();
14420 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14421 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14422 } else if (shiftKey) {
14423 AdjustClock(which, -1);
14424 } else if (gameMode == IcsPlayingBlack ||
14425 gameMode == MachinePlaysWhite) {
14434 /* Offer draw or accept pending draw offer from opponent */
14436 if (appData.icsActive) {
14437 /* Note: tournament rules require draw offers to be
14438 made after you make your move but before you punch
14439 your clock. Currently ICS doesn't let you do that;
14440 instead, you immediately punch your clock after making
14441 a move, but you can offer a draw at any time. */
14443 SendToICS(ics_prefix);
14444 SendToICS("draw\n");
14445 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14446 } else if (cmailMsgLoaded) {
14447 if (currentMove == cmailOldMove &&
14448 commentList[cmailOldMove] != NULL &&
14449 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14450 "Black offers a draw" : "White offers a draw")) {
14451 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14452 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14453 } else if (currentMove == cmailOldMove + 1) {
14454 char *offer = WhiteOnMove(cmailOldMove) ?
14455 "White offers a draw" : "Black offers a draw";
14456 AppendComment(currentMove, offer, TRUE);
14457 DisplayComment(currentMove - 1, offer);
14458 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14460 DisplayError(_("You must make your move before offering a draw"), 0);
14461 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14463 } else if (first.offeredDraw) {
14464 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14466 if (first.sendDrawOffers) {
14467 SendToProgram("draw\n", &first);
14468 userOfferedDraw = TRUE;
14476 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14478 if (appData.icsActive) {
14479 SendToICS(ics_prefix);
14480 SendToICS("adjourn\n");
14482 /* Currently GNU Chess doesn't offer or accept Adjourns */
14490 /* Offer Abort or accept pending Abort offer from opponent */
14492 if (appData.icsActive) {
14493 SendToICS(ics_prefix);
14494 SendToICS("abort\n");
14496 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14503 /* Resign. You can do this even if it's not your turn. */
14505 if (appData.icsActive) {
14506 SendToICS(ics_prefix);
14507 SendToICS("resign\n");
14509 switch (gameMode) {
14510 case MachinePlaysWhite:
14511 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14513 case MachinePlaysBlack:
14514 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14517 if (cmailMsgLoaded) {
14519 if (WhiteOnMove(cmailOldMove)) {
14520 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14522 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14524 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14535 StopObservingEvent ()
14537 /* Stop observing current games */
14538 SendToICS(ics_prefix);
14539 SendToICS("unobserve\n");
14543 StopExaminingEvent ()
14545 /* Stop observing current game */
14546 SendToICS(ics_prefix);
14547 SendToICS("unexamine\n");
14551 ForwardInner (int target)
14553 int limit; int oldSeekGraphUp = seekGraphUp;
14555 if (appData.debugMode)
14556 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14557 target, currentMove, forwardMostMove);
14559 if (gameMode == EditPosition)
14562 seekGraphUp = FALSE;
14563 MarkTargetSquares(1);
14565 if (gameMode == PlayFromGameFile && !pausing)
14568 if (gameMode == IcsExamining && pausing)
14569 limit = pauseExamForwardMostMove;
14571 limit = forwardMostMove;
14573 if (target > limit) target = limit;
14575 if (target > 0 && moveList[target - 1][0]) {
14576 int fromX, fromY, toX, toY;
14577 toX = moveList[target - 1][2] - AAA;
14578 toY = moveList[target - 1][3] - ONE;
14579 if (moveList[target - 1][1] == '@') {
14580 if (appData.highlightLastMove) {
14581 SetHighlights(-1, -1, toX, toY);
14584 fromX = moveList[target - 1][0] - AAA;
14585 fromY = moveList[target - 1][1] - ONE;
14586 if (target == currentMove + 1) {
14587 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14589 if (appData.highlightLastMove) {
14590 SetHighlights(fromX, fromY, toX, toY);
14594 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14595 gameMode == Training || gameMode == PlayFromGameFile ||
14596 gameMode == AnalyzeFile) {
14597 while (currentMove < target) {
14598 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14599 SendMoveToProgram(currentMove++, &first);
14602 currentMove = target;
14605 if (gameMode == EditGame || gameMode == EndOfGame) {
14606 whiteTimeRemaining = timeRemaining[0][currentMove];
14607 blackTimeRemaining = timeRemaining[1][currentMove];
14609 DisplayBothClocks();
14610 DisplayMove(currentMove - 1);
14611 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14612 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14613 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14614 DisplayComment(currentMove - 1, commentList[currentMove]);
14616 ClearMap(); // [HGM] exclude: invalidate map
14623 if (gameMode == IcsExamining && !pausing) {
14624 SendToICS(ics_prefix);
14625 SendToICS("forward\n");
14627 ForwardInner(currentMove + 1);
14634 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14635 /* to optimze, we temporarily turn off analysis mode while we feed
14636 * the remaining moves to the engine. Otherwise we get analysis output
14639 if (first.analysisSupport) {
14640 SendToProgram("exit\nforce\n", &first);
14641 first.analyzing = FALSE;
14645 if (gameMode == IcsExamining && !pausing) {
14646 SendToICS(ics_prefix);
14647 SendToICS("forward 999999\n");
14649 ForwardInner(forwardMostMove);
14652 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14653 /* we have fed all the moves, so reactivate analysis mode */
14654 SendToProgram("analyze\n", &first);
14655 first.analyzing = TRUE;
14656 /*first.maybeThinking = TRUE;*/
14657 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14662 BackwardInner (int target)
14664 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14666 if (appData.debugMode)
14667 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14668 target, currentMove, forwardMostMove);
14670 if (gameMode == EditPosition) return;
14671 seekGraphUp = FALSE;
14672 MarkTargetSquares(1);
14673 if (currentMove <= backwardMostMove) {
14675 DrawPosition(full_redraw, boards[currentMove]);
14678 if (gameMode == PlayFromGameFile && !pausing)
14681 if (moveList[target][0]) {
14682 int fromX, fromY, toX, toY;
14683 toX = moveList[target][2] - AAA;
14684 toY = moveList[target][3] - ONE;
14685 if (moveList[target][1] == '@') {
14686 if (appData.highlightLastMove) {
14687 SetHighlights(-1, -1, toX, toY);
14690 fromX = moveList[target][0] - AAA;
14691 fromY = moveList[target][1] - ONE;
14692 if (target == currentMove - 1) {
14693 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14695 if (appData.highlightLastMove) {
14696 SetHighlights(fromX, fromY, toX, toY);
14700 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14701 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14702 while (currentMove > target) {
14703 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14704 // null move cannot be undone. Reload program with move history before it.
14706 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14707 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14709 SendBoard(&first, i);
14710 if(second.analyzing) SendBoard(&second, i);
14711 for(currentMove=i; currentMove<target; currentMove++) {
14712 SendMoveToProgram(currentMove, &first);
14713 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14717 SendToBoth("undo\n");
14721 currentMove = target;
14724 if (gameMode == EditGame || gameMode == EndOfGame) {
14725 whiteTimeRemaining = timeRemaining[0][currentMove];
14726 blackTimeRemaining = timeRemaining[1][currentMove];
14728 DisplayBothClocks();
14729 DisplayMove(currentMove - 1);
14730 DrawPosition(full_redraw, boards[currentMove]);
14731 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14732 // [HGM] PV info: routine tests if comment empty
14733 DisplayComment(currentMove - 1, commentList[currentMove]);
14734 ClearMap(); // [HGM] exclude: invalidate map
14740 if (gameMode == IcsExamining && !pausing) {
14741 SendToICS(ics_prefix);
14742 SendToICS("backward\n");
14744 BackwardInner(currentMove - 1);
14751 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14752 /* to optimize, we temporarily turn off analysis mode while we undo
14753 * all the moves. Otherwise we get analysis output after each undo.
14755 if (first.analysisSupport) {
14756 SendToProgram("exit\nforce\n", &first);
14757 first.analyzing = FALSE;
14761 if (gameMode == IcsExamining && !pausing) {
14762 SendToICS(ics_prefix);
14763 SendToICS("backward 999999\n");
14765 BackwardInner(backwardMostMove);
14768 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14769 /* we have fed all the moves, so reactivate analysis mode */
14770 SendToProgram("analyze\n", &first);
14771 first.analyzing = TRUE;
14772 /*first.maybeThinking = TRUE;*/
14773 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14780 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14781 if (to >= forwardMostMove) to = forwardMostMove;
14782 if (to <= backwardMostMove) to = backwardMostMove;
14783 if (to < currentMove) {
14791 RevertEvent (Boolean annotate)
14793 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14796 if (gameMode != IcsExamining) {
14797 DisplayError(_("You are not examining a game"), 0);
14801 DisplayError(_("You can't revert while pausing"), 0);
14804 SendToICS(ics_prefix);
14805 SendToICS("revert\n");
14809 RetractMoveEvent ()
14811 switch (gameMode) {
14812 case MachinePlaysWhite:
14813 case MachinePlaysBlack:
14814 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14815 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14818 if (forwardMostMove < 2) return;
14819 currentMove = forwardMostMove = forwardMostMove - 2;
14820 whiteTimeRemaining = timeRemaining[0][currentMove];
14821 blackTimeRemaining = timeRemaining[1][currentMove];
14822 DisplayBothClocks();
14823 DisplayMove(currentMove - 1);
14824 ClearHighlights();/*!! could figure this out*/
14825 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14826 SendToProgram("remove\n", &first);
14827 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14830 case BeginningOfGame:
14834 case IcsPlayingWhite:
14835 case IcsPlayingBlack:
14836 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14837 SendToICS(ics_prefix);
14838 SendToICS("takeback 2\n");
14840 SendToICS(ics_prefix);
14841 SendToICS("takeback 1\n");
14850 ChessProgramState *cps;
14852 switch (gameMode) {
14853 case MachinePlaysWhite:
14854 if (!WhiteOnMove(forwardMostMove)) {
14855 DisplayError(_("It is your turn"), 0);
14860 case MachinePlaysBlack:
14861 if (WhiteOnMove(forwardMostMove)) {
14862 DisplayError(_("It is your turn"), 0);
14867 case TwoMachinesPlay:
14868 if (WhiteOnMove(forwardMostMove) ==
14869 (first.twoMachinesColor[0] == 'w')) {
14875 case BeginningOfGame:
14879 SendToProgram("?\n", cps);
14883 TruncateGameEvent ()
14886 if (gameMode != EditGame) return;
14893 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14894 if (forwardMostMove > currentMove) {
14895 if (gameInfo.resultDetails != NULL) {
14896 free(gameInfo.resultDetails);
14897 gameInfo.resultDetails = NULL;
14898 gameInfo.result = GameUnfinished;
14900 forwardMostMove = currentMove;
14901 HistorySet(parseList, backwardMostMove, forwardMostMove,
14909 if (appData.noChessProgram) return;
14910 switch (gameMode) {
14911 case MachinePlaysWhite:
14912 if (WhiteOnMove(forwardMostMove)) {
14913 DisplayError(_("Wait until your turn"), 0);
14917 case BeginningOfGame:
14918 case MachinePlaysBlack:
14919 if (!WhiteOnMove(forwardMostMove)) {
14920 DisplayError(_("Wait until your turn"), 0);
14925 DisplayError(_("No hint available"), 0);
14928 SendToProgram("hint\n", &first);
14929 hintRequested = TRUE;
14935 if (appData.noChessProgram) return;
14936 switch (gameMode) {
14937 case MachinePlaysWhite:
14938 if (WhiteOnMove(forwardMostMove)) {
14939 DisplayError(_("Wait until your turn"), 0);
14943 case BeginningOfGame:
14944 case MachinePlaysBlack:
14945 if (!WhiteOnMove(forwardMostMove)) {
14946 DisplayError(_("Wait until your turn"), 0);
14951 EditPositionDone(TRUE);
14953 case TwoMachinesPlay:
14958 SendToProgram("bk\n", &first);
14959 bookOutput[0] = NULLCHAR;
14960 bookRequested = TRUE;
14966 char *tags = PGNTags(&gameInfo);
14967 TagsPopUp(tags, CmailMsg());
14971 /* end button procedures */
14974 PrintPosition (FILE *fp, int move)
14978 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14979 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14980 char c = PieceToChar(boards[move][i][j]);
14981 fputc(c == 'x' ? '.' : c, fp);
14982 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14985 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14986 fprintf(fp, "white to play\n");
14988 fprintf(fp, "black to play\n");
14992 PrintOpponents (FILE *fp)
14994 if (gameInfo.white != NULL) {
14995 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15001 /* Find last component of program's own name, using some heuristics */
15003 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15006 int local = (strcmp(host, "localhost") == 0);
15007 while (!local && (p = strchr(prog, ';')) != NULL) {
15009 while (*p == ' ') p++;
15012 if (*prog == '"' || *prog == '\'') {
15013 q = strchr(prog + 1, *prog);
15015 q = strchr(prog, ' ');
15017 if (q == NULL) q = prog + strlen(prog);
15019 while (p >= prog && *p != '/' && *p != '\\') p--;
15021 if(p == prog && *p == '"') p++;
15023 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15024 memcpy(buf, p, q - p);
15025 buf[q - p] = NULLCHAR;
15033 TimeControlTagValue ()
15036 if (!appData.clockMode) {
15037 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15038 } else if (movesPerSession > 0) {
15039 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15040 } else if (timeIncrement == 0) {
15041 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15043 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15045 return StrSave(buf);
15051 /* This routine is used only for certain modes */
15052 VariantClass v = gameInfo.variant;
15053 ChessMove r = GameUnfinished;
15056 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15057 r = gameInfo.result;
15058 p = gameInfo.resultDetails;
15059 gameInfo.resultDetails = NULL;
15061 ClearGameInfo(&gameInfo);
15062 gameInfo.variant = v;
15064 switch (gameMode) {
15065 case MachinePlaysWhite:
15066 gameInfo.event = StrSave( appData.pgnEventHeader );
15067 gameInfo.site = StrSave(HostName());
15068 gameInfo.date = PGNDate();
15069 gameInfo.round = StrSave("-");
15070 gameInfo.white = StrSave(first.tidy);
15071 gameInfo.black = StrSave(UserName());
15072 gameInfo.timeControl = TimeControlTagValue();
15075 case MachinePlaysBlack:
15076 gameInfo.event = StrSave( appData.pgnEventHeader );
15077 gameInfo.site = StrSave(HostName());
15078 gameInfo.date = PGNDate();
15079 gameInfo.round = StrSave("-");
15080 gameInfo.white = StrSave(UserName());
15081 gameInfo.black = StrSave(first.tidy);
15082 gameInfo.timeControl = TimeControlTagValue();
15085 case TwoMachinesPlay:
15086 gameInfo.event = StrSave( appData.pgnEventHeader );
15087 gameInfo.site = StrSave(HostName());
15088 gameInfo.date = PGNDate();
15091 snprintf(buf, MSG_SIZ, "%d", roundNr);
15092 gameInfo.round = StrSave(buf);
15094 gameInfo.round = StrSave("-");
15096 if (first.twoMachinesColor[0] == 'w') {
15097 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15098 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15100 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15101 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15103 gameInfo.timeControl = TimeControlTagValue();
15107 gameInfo.event = StrSave("Edited game");
15108 gameInfo.site = StrSave(HostName());
15109 gameInfo.date = PGNDate();
15110 gameInfo.round = StrSave("-");
15111 gameInfo.white = StrSave("-");
15112 gameInfo.black = StrSave("-");
15113 gameInfo.result = r;
15114 gameInfo.resultDetails = p;
15118 gameInfo.event = StrSave("Edited position");
15119 gameInfo.site = StrSave(HostName());
15120 gameInfo.date = PGNDate();
15121 gameInfo.round = StrSave("-");
15122 gameInfo.white = StrSave("-");
15123 gameInfo.black = StrSave("-");
15126 case IcsPlayingWhite:
15127 case IcsPlayingBlack:
15132 case PlayFromGameFile:
15133 gameInfo.event = StrSave("Game from non-PGN file");
15134 gameInfo.site = StrSave(HostName());
15135 gameInfo.date = PGNDate();
15136 gameInfo.round = StrSave("-");
15137 gameInfo.white = StrSave("?");
15138 gameInfo.black = StrSave("?");
15147 ReplaceComment (int index, char *text)
15153 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15154 pvInfoList[index-1].depth == len &&
15155 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15156 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15157 while (*text == '\n') text++;
15158 len = strlen(text);
15159 while (len > 0 && text[len - 1] == '\n') len--;
15161 if (commentList[index] != NULL)
15162 free(commentList[index]);
15165 commentList[index] = NULL;
15168 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15169 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15170 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15171 commentList[index] = (char *) malloc(len + 2);
15172 strncpy(commentList[index], text, len);
15173 commentList[index][len] = '\n';
15174 commentList[index][len + 1] = NULLCHAR;
15176 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15178 commentList[index] = (char *) malloc(len + 7);
15179 safeStrCpy(commentList[index], "{\n", 3);
15180 safeStrCpy(commentList[index]+2, text, len+1);
15181 commentList[index][len+2] = NULLCHAR;
15182 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15183 strcat(commentList[index], "\n}\n");
15188 CrushCRs (char *text)
15196 if (ch == '\r') continue;
15198 } while (ch != '\0');
15202 AppendComment (int index, char *text, Boolean addBraces)
15203 /* addBraces tells if we should add {} */
15208 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15209 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15212 while (*text == '\n') text++;
15213 len = strlen(text);
15214 while (len > 0 && text[len - 1] == '\n') len--;
15215 text[len] = NULLCHAR;
15217 if (len == 0) return;
15219 if (commentList[index] != NULL) {
15220 Boolean addClosingBrace = addBraces;
15221 old = commentList[index];
15222 oldlen = strlen(old);
15223 while(commentList[index][oldlen-1] == '\n')
15224 commentList[index][--oldlen] = NULLCHAR;
15225 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15226 safeStrCpy(commentList[index], old, oldlen + len + 6);
15228 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15229 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15230 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15231 while (*text == '\n') { text++; len--; }
15232 commentList[index][--oldlen] = NULLCHAR;
15234 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15235 else strcat(commentList[index], "\n");
15236 strcat(commentList[index], text);
15237 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15238 else strcat(commentList[index], "\n");
15240 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15242 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15243 else commentList[index][0] = NULLCHAR;
15244 strcat(commentList[index], text);
15245 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15246 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15251 FindStr (char * text, char * sub_text)
15253 char * result = strstr( text, sub_text );
15255 if( result != NULL ) {
15256 result += strlen( sub_text );
15262 /* [AS] Try to extract PV info from PGN comment */
15263 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15265 GetInfoFromComment (int index, char * text)
15267 char * sep = text, *p;
15269 if( text != NULL && index > 0 ) {
15272 int time = -1, sec = 0, deci;
15273 char * s_eval = FindStr( text, "[%eval " );
15274 char * s_emt = FindStr( text, "[%emt " );
15276 if( s_eval != NULL || s_emt != NULL ) {
15280 if( s_eval != NULL ) {
15281 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15285 if( delim != ']' ) {
15290 if( s_emt != NULL ) {
15295 /* We expect something like: [+|-]nnn.nn/dd */
15298 if(*text != '{') return text; // [HGM] braces: must be normal comment
15300 sep = strchr( text, '/' );
15301 if( sep == NULL || sep < (text+4) ) {
15306 if(p[1] == '(') { // comment starts with PV
15307 p = strchr(p, ')'); // locate end of PV
15308 if(p == NULL || sep < p+5) return text;
15309 // at this point we have something like "{(.*) +0.23/6 ..."
15310 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15311 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15312 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15314 time = -1; sec = -1; deci = -1;
15315 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15316 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15317 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15318 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15322 if( score_lo < 0 || score_lo >= 100 ) {
15326 if(sec >= 0) time = 600*time + 10*sec; else
15327 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15329 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15331 /* [HGM] PV time: now locate end of PV info */
15332 while( *++sep >= '0' && *sep <= '9'); // strip depth
15334 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15336 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15338 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15339 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15350 pvInfoList[index-1].depth = depth;
15351 pvInfoList[index-1].score = score;
15352 pvInfoList[index-1].time = 10*time; // centi-sec
15353 if(*sep == '}') *sep = 0; else *--sep = '{';
15354 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15360 SendToProgram (char *message, ChessProgramState *cps)
15362 int count, outCount, error;
15365 if (cps->pr == NoProc) return;
15368 if (appData.debugMode) {
15371 fprintf(debugFP, "%ld >%-6s: %s",
15372 SubtractTimeMarks(&now, &programStartTime),
15373 cps->which, message);
15375 fprintf(serverFP, "%ld >%-6s: %s",
15376 SubtractTimeMarks(&now, &programStartTime),
15377 cps->which, message), fflush(serverFP);
15380 count = strlen(message);
15381 outCount = OutputToProcess(cps->pr, message, count, &error);
15382 if (outCount < count && !exiting
15383 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15384 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15385 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15386 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15387 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15388 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15389 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15390 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15392 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15393 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15394 gameInfo.result = res;
15396 gameInfo.resultDetails = StrSave(buf);
15398 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15399 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15404 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15408 ChessProgramState *cps = (ChessProgramState *)closure;
15410 if (isr != cps->isr) return; /* Killed intentionally */
15413 RemoveInputSource(cps->isr);
15414 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15415 _(cps->which), cps->program);
15416 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15417 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15418 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15419 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15420 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15421 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15423 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15424 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15425 gameInfo.result = res;
15427 gameInfo.resultDetails = StrSave(buf);
15429 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15430 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15432 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15433 _(cps->which), cps->program);
15434 RemoveInputSource(cps->isr);
15436 /* [AS] Program is misbehaving badly... kill it */
15437 if( count == -2 ) {
15438 DestroyChildProcess( cps->pr, 9 );
15442 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15447 if ((end_str = strchr(message, '\r')) != NULL)
15448 *end_str = NULLCHAR;
15449 if ((end_str = strchr(message, '\n')) != NULL)
15450 *end_str = NULLCHAR;
15452 if (appData.debugMode) {
15453 TimeMark now; int print = 1;
15454 char *quote = ""; char c; int i;
15456 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15457 char start = message[0];
15458 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15459 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15460 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15461 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15462 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15463 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15464 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15465 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15466 sscanf(message, "hint: %c", &c)!=1 &&
15467 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15468 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15469 print = (appData.engineComments >= 2);
15471 message[0] = start; // restore original message
15475 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15476 SubtractTimeMarks(&now, &programStartTime), cps->which,
15480 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15481 SubtractTimeMarks(&now, &programStartTime), cps->which,
15483 message), fflush(serverFP);
15487 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15488 if (appData.icsEngineAnalyze) {
15489 if (strstr(message, "whisper") != NULL ||
15490 strstr(message, "kibitz") != NULL ||
15491 strstr(message, "tellics") != NULL) return;
15494 HandleMachineMove(message, cps);
15499 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15504 if( timeControl_2 > 0 ) {
15505 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15506 tc = timeControl_2;
15509 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15510 inc /= cps->timeOdds;
15511 st /= cps->timeOdds;
15513 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15516 /* Set exact time per move, normally using st command */
15517 if (cps->stKludge) {
15518 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15520 if (seconds == 0) {
15521 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15523 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15526 snprintf(buf, MSG_SIZ, "st %d\n", st);
15529 /* Set conventional or incremental time control, using level command */
15530 if (seconds == 0) {
15531 /* Note old gnuchess bug -- minutes:seconds used to not work.
15532 Fixed in later versions, but still avoid :seconds
15533 when seconds is 0. */
15534 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15536 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15537 seconds, inc/1000.);
15540 SendToProgram(buf, cps);
15542 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15543 /* Orthogonally, limit search to given depth */
15545 if (cps->sdKludge) {
15546 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15548 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15550 SendToProgram(buf, cps);
15553 if(cps->nps >= 0) { /* [HGM] nps */
15554 if(cps->supportsNPS == FALSE)
15555 cps->nps = -1; // don't use if engine explicitly says not supported!
15557 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15558 SendToProgram(buf, cps);
15563 ChessProgramState *
15565 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15567 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15568 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15574 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15576 char message[MSG_SIZ];
15579 /* Note: this routine must be called when the clocks are stopped
15580 or when they have *just* been set or switched; otherwise
15581 it will be off by the time since the current tick started.
15583 if (machineWhite) {
15584 time = whiteTimeRemaining / 10;
15585 otime = blackTimeRemaining / 10;
15587 time = blackTimeRemaining / 10;
15588 otime = whiteTimeRemaining / 10;
15590 /* [HGM] translate opponent's time by time-odds factor */
15591 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15593 if (time <= 0) time = 1;
15594 if (otime <= 0) otime = 1;
15596 snprintf(message, MSG_SIZ, "time %ld\n", time);
15597 SendToProgram(message, cps);
15599 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15600 SendToProgram(message, cps);
15604 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15607 int len = strlen(name);
15610 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15612 sscanf(*p, "%d", &val);
15614 while (**p && **p != ' ')
15616 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15617 SendToProgram(buf, cps);
15624 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15627 int len = strlen(name);
15628 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15630 sscanf(*p, "%d", loc);
15631 while (**p && **p != ' ') (*p)++;
15632 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15633 SendToProgram(buf, cps);
15640 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15643 int len = strlen(name);
15644 if (strncmp((*p), name, len) == 0
15645 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15647 sscanf(*p, "%[^\"]", loc);
15648 while (**p && **p != '\"') (*p)++;
15649 if (**p == '\"') (*p)++;
15650 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15651 SendToProgram(buf, cps);
15658 ParseOption (Option *opt, ChessProgramState *cps)
15659 // [HGM] options: process the string that defines an engine option, and determine
15660 // name, type, default value, and allowed value range
15662 char *p, *q, buf[MSG_SIZ];
15663 int n, min = (-1)<<31, max = 1<<31, def;
15665 if(p = strstr(opt->name, " -spin ")) {
15666 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15667 if(max < min) max = min; // enforce consistency
15668 if(def < min) def = min;
15669 if(def > max) def = max;
15674 } else if((p = strstr(opt->name, " -slider "))) {
15675 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15676 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15677 if(max < min) max = min; // enforce consistency
15678 if(def < min) def = min;
15679 if(def > max) def = max;
15683 opt->type = Spin; // Slider;
15684 } else if((p = strstr(opt->name, " -string "))) {
15685 opt->textValue = p+9;
15686 opt->type = TextBox;
15687 } else if((p = strstr(opt->name, " -file "))) {
15688 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15689 opt->textValue = p+7;
15690 opt->type = FileName; // FileName;
15691 } else if((p = strstr(opt->name, " -path "))) {
15692 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15693 opt->textValue = p+7;
15694 opt->type = PathName; // PathName;
15695 } else if(p = strstr(opt->name, " -check ")) {
15696 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15697 opt->value = (def != 0);
15698 opt->type = CheckBox;
15699 } else if(p = strstr(opt->name, " -combo ")) {
15700 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15701 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15702 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15703 opt->value = n = 0;
15704 while(q = StrStr(q, " /// ")) {
15705 n++; *q = 0; // count choices, and null-terminate each of them
15707 if(*q == '*') { // remember default, which is marked with * prefix
15711 cps->comboList[cps->comboCnt++] = q;
15713 cps->comboList[cps->comboCnt++] = NULL;
15715 opt->type = ComboBox;
15716 } else if(p = strstr(opt->name, " -button")) {
15717 opt->type = Button;
15718 } else if(p = strstr(opt->name, " -save")) {
15719 opt->type = SaveButton;
15720 } else return FALSE;
15721 *p = 0; // terminate option name
15722 // now look if the command-line options define a setting for this engine option.
15723 if(cps->optionSettings && cps->optionSettings[0])
15724 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15725 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15726 snprintf(buf, MSG_SIZ, "option %s", p);
15727 if(p = strstr(buf, ",")) *p = 0;
15728 if(q = strchr(buf, '=')) switch(opt->type) {
15730 for(n=0; n<opt->max; n++)
15731 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15734 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15738 opt->value = atoi(q+1);
15743 SendToProgram(buf, cps);
15749 FeatureDone (ChessProgramState *cps, int val)
15751 DelayedEventCallback cb = GetDelayedEvent();
15752 if ((cb == InitBackEnd3 && cps == &first) ||
15753 (cb == SettingsMenuIfReady && cps == &second) ||
15754 (cb == LoadEngine) ||
15755 (cb == TwoMachinesEventIfReady)) {
15756 CancelDelayedEvent();
15757 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15759 cps->initDone = val;
15762 /* Parse feature command from engine */
15764 ParseFeatures (char *args, ChessProgramState *cps)
15772 while (*p == ' ') p++;
15773 if (*p == NULLCHAR) return;
15775 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15776 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15777 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15778 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15779 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15780 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15781 if (BoolFeature(&p, "reuse", &val, cps)) {
15782 /* Engine can disable reuse, but can't enable it if user said no */
15783 if (!val) cps->reuse = FALSE;
15786 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15787 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15788 if (gameMode == TwoMachinesPlay) {
15789 DisplayTwoMachinesTitle();
15795 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15796 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15797 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15798 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15799 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15800 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15801 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15802 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15803 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15804 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15805 if (IntFeature(&p, "done", &val, cps)) {
15806 FeatureDone(cps, val);
15809 /* Added by Tord: */
15810 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15811 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15812 /* End of additions by Tord */
15814 /* [HGM] added features: */
15815 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15816 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15817 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15818 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15819 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15820 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15821 if (StringFeature(&p, "option", buf, cps)) {
15822 FREE(cps->option[cps->nrOptions].name);
15823 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15824 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15825 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15826 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15827 SendToProgram(buf, cps);
15830 if(cps->nrOptions >= MAX_OPTIONS) {
15832 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15833 DisplayError(buf, 0);
15837 /* End of additions by HGM */
15839 /* unknown feature: complain and skip */
15841 while (*q && *q != '=') q++;
15842 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15843 SendToProgram(buf, cps);
15849 while (*p && *p != '\"') p++;
15850 if (*p == '\"') p++;
15852 while (*p && *p != ' ') p++;
15860 PeriodicUpdatesEvent (int newState)
15862 if (newState == appData.periodicUpdates)
15865 appData.periodicUpdates=newState;
15867 /* Display type changes, so update it now */
15868 // DisplayAnalysis();
15870 /* Get the ball rolling again... */
15872 AnalysisPeriodicEvent(1);
15873 StartAnalysisClock();
15878 PonderNextMoveEvent (int newState)
15880 if (newState == appData.ponderNextMove) return;
15881 if (gameMode == EditPosition) EditPositionDone(TRUE);
15883 SendToProgram("hard\n", &first);
15884 if (gameMode == TwoMachinesPlay) {
15885 SendToProgram("hard\n", &second);
15888 SendToProgram("easy\n", &first);
15889 thinkOutput[0] = NULLCHAR;
15890 if (gameMode == TwoMachinesPlay) {
15891 SendToProgram("easy\n", &second);
15894 appData.ponderNextMove = newState;
15898 NewSettingEvent (int option, int *feature, char *command, int value)
15902 if (gameMode == EditPosition) EditPositionDone(TRUE);
15903 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15904 if(feature == NULL || *feature) SendToProgram(buf, &first);
15905 if (gameMode == TwoMachinesPlay) {
15906 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15911 ShowThinkingEvent ()
15912 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15914 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15915 int newState = appData.showThinking
15916 // [HGM] thinking: other features now need thinking output as well
15917 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15919 if (oldState == newState) return;
15920 oldState = newState;
15921 if (gameMode == EditPosition) EditPositionDone(TRUE);
15923 SendToProgram("post\n", &first);
15924 if (gameMode == TwoMachinesPlay) {
15925 SendToProgram("post\n", &second);
15928 SendToProgram("nopost\n", &first);
15929 thinkOutput[0] = NULLCHAR;
15930 if (gameMode == TwoMachinesPlay) {
15931 SendToProgram("nopost\n", &second);
15934 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15938 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15940 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15941 if (pr == NoProc) return;
15942 AskQuestion(title, question, replyPrefix, pr);
15946 TypeInEvent (char firstChar)
15948 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15949 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15950 gameMode == AnalyzeMode || gameMode == EditGame ||
15951 gameMode == EditPosition || gameMode == IcsExamining ||
15952 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15953 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15954 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15955 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15956 gameMode == Training) PopUpMoveDialog(firstChar);
15960 TypeInDoneEvent (char *move)
15963 int n, fromX, fromY, toX, toY;
15965 ChessMove moveType;
15968 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15969 EditPositionPasteFEN(move);
15972 // [HGM] movenum: allow move number to be typed in any mode
15973 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15977 // undocumented kludge: allow command-line option to be typed in!
15978 // (potentially fatal, and does not implement the effect of the option.)
15979 // should only be used for options that are values on which future decisions will be made,
15980 // and definitely not on options that would be used during initialization.
15981 if(strstr(move, "!!! -") == move) {
15982 ParseArgsFromString(move+4);
15986 if (gameMode != EditGame && currentMove != forwardMostMove &&
15987 gameMode != Training) {
15988 DisplayMoveError(_("Displayed move is not current"));
15990 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15991 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15992 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15993 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15994 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15995 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15997 DisplayMoveError(_("Could not parse move"));
16003 DisplayMove (int moveNumber)
16005 char message[MSG_SIZ];
16007 char cpThinkOutput[MSG_SIZ];
16009 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16011 if (moveNumber == forwardMostMove - 1 ||
16012 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16014 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16016 if (strchr(cpThinkOutput, '\n')) {
16017 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16020 *cpThinkOutput = NULLCHAR;
16023 /* [AS] Hide thinking from human user */
16024 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16025 *cpThinkOutput = NULLCHAR;
16026 if( thinkOutput[0] != NULLCHAR ) {
16029 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16030 cpThinkOutput[i] = '.';
16032 cpThinkOutput[i] = NULLCHAR;
16033 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16037 if (moveNumber == forwardMostMove - 1 &&
16038 gameInfo.resultDetails != NULL) {
16039 if (gameInfo.resultDetails[0] == NULLCHAR) {
16040 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16042 snprintf(res, MSG_SIZ, " {%s} %s",
16043 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16049 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16050 DisplayMessage(res, cpThinkOutput);
16052 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16053 WhiteOnMove(moveNumber) ? " " : ".. ",
16054 parseList[moveNumber], res);
16055 DisplayMessage(message, cpThinkOutput);
16060 DisplayComment (int moveNumber, char *text)
16062 char title[MSG_SIZ];
16064 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16065 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16067 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16068 WhiteOnMove(moveNumber) ? " " : ".. ",
16069 parseList[moveNumber]);
16071 if (text != NULL && (appData.autoDisplayComment || commentUp))
16072 CommentPopUp(title, text);
16075 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16076 * might be busy thinking or pondering. It can be omitted if your
16077 * gnuchess is configured to stop thinking immediately on any user
16078 * input. However, that gnuchess feature depends on the FIONREAD
16079 * ioctl, which does not work properly on some flavors of Unix.
16082 Attention (ChessProgramState *cps)
16085 if (!cps->useSigint) return;
16086 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16087 switch (gameMode) {
16088 case MachinePlaysWhite:
16089 case MachinePlaysBlack:
16090 case TwoMachinesPlay:
16091 case IcsPlayingWhite:
16092 case IcsPlayingBlack:
16095 /* Skip if we know it isn't thinking */
16096 if (!cps->maybeThinking) return;
16097 if (appData.debugMode)
16098 fprintf(debugFP, "Interrupting %s\n", cps->which);
16099 InterruptChildProcess(cps->pr);
16100 cps->maybeThinking = FALSE;
16105 #endif /*ATTENTION*/
16111 if (whiteTimeRemaining <= 0) {
16114 if (appData.icsActive) {
16115 if (appData.autoCallFlag &&
16116 gameMode == IcsPlayingBlack && !blackFlag) {
16117 SendToICS(ics_prefix);
16118 SendToICS("flag\n");
16122 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16124 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16125 if (appData.autoCallFlag) {
16126 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16133 if (blackTimeRemaining <= 0) {
16136 if (appData.icsActive) {
16137 if (appData.autoCallFlag &&
16138 gameMode == IcsPlayingWhite && !whiteFlag) {
16139 SendToICS(ics_prefix);
16140 SendToICS("flag\n");
16144 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16146 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16147 if (appData.autoCallFlag) {
16148 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16159 CheckTimeControl ()
16161 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16162 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16165 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16167 if ( !WhiteOnMove(forwardMostMove) ) {
16168 /* White made time control */
16169 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16170 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16171 /* [HGM] time odds: correct new time quota for time odds! */
16172 / WhitePlayer()->timeOdds;
16173 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16175 lastBlack -= blackTimeRemaining;
16176 /* Black made time control */
16177 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16178 / WhitePlayer()->other->timeOdds;
16179 lastWhite = whiteTimeRemaining;
16184 DisplayBothClocks ()
16186 int wom = gameMode == EditPosition ?
16187 !blackPlaysFirst : WhiteOnMove(currentMove);
16188 DisplayWhiteClock(whiteTimeRemaining, wom);
16189 DisplayBlackClock(blackTimeRemaining, !wom);
16193 /* Timekeeping seems to be a portability nightmare. I think everyone
16194 has ftime(), but I'm really not sure, so I'm including some ifdefs
16195 to use other calls if you don't. Clocks will be less accurate if
16196 you have neither ftime nor gettimeofday.
16199 /* VS 2008 requires the #include outside of the function */
16200 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16201 #include <sys/timeb.h>
16204 /* Get the current time as a TimeMark */
16206 GetTimeMark (TimeMark *tm)
16208 #if HAVE_GETTIMEOFDAY
16210 struct timeval timeVal;
16211 struct timezone timeZone;
16213 gettimeofday(&timeVal, &timeZone);
16214 tm->sec = (long) timeVal.tv_sec;
16215 tm->ms = (int) (timeVal.tv_usec / 1000L);
16217 #else /*!HAVE_GETTIMEOFDAY*/
16220 // include <sys/timeb.h> / moved to just above start of function
16221 struct timeb timeB;
16224 tm->sec = (long) timeB.time;
16225 tm->ms = (int) timeB.millitm;
16227 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16228 tm->sec = (long) time(NULL);
16234 /* Return the difference in milliseconds between two
16235 time marks. We assume the difference will fit in a long!
16238 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16240 return 1000L*(tm2->sec - tm1->sec) +
16241 (long) (tm2->ms - tm1->ms);
16246 * Code to manage the game clocks.
16248 * In tournament play, black starts the clock and then white makes a move.
16249 * We give the human user a slight advantage if he is playing white---the
16250 * clocks don't run until he makes his first move, so it takes zero time.
16251 * Also, we don't account for network lag, so we could get out of sync
16252 * with GNU Chess's clock -- but then, referees are always right.
16255 static TimeMark tickStartTM;
16256 static long intendedTickLength;
16259 NextTickLength (long timeRemaining)
16261 long nominalTickLength, nextTickLength;
16263 if (timeRemaining > 0L && timeRemaining <= 10000L)
16264 nominalTickLength = 100L;
16266 nominalTickLength = 1000L;
16267 nextTickLength = timeRemaining % nominalTickLength;
16268 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16270 return nextTickLength;
16273 /* Adjust clock one minute up or down */
16275 AdjustClock (Boolean which, int dir)
16277 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16278 if(which) blackTimeRemaining += 60000*dir;
16279 else whiteTimeRemaining += 60000*dir;
16280 DisplayBothClocks();
16281 adjustedClock = TRUE;
16284 /* Stop clocks and reset to a fresh time control */
16288 (void) StopClockTimer();
16289 if (appData.icsActive) {
16290 whiteTimeRemaining = blackTimeRemaining = 0;
16291 } else if (searchTime) {
16292 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16293 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16294 } else { /* [HGM] correct new time quote for time odds */
16295 whiteTC = blackTC = fullTimeControlString;
16296 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16297 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16299 if (whiteFlag || blackFlag) {
16301 whiteFlag = blackFlag = FALSE;
16303 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16304 DisplayBothClocks();
16305 adjustedClock = FALSE;
16308 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16310 /* Decrement running clock by amount of time that has passed */
16314 long timeRemaining;
16315 long lastTickLength, fudge;
16318 if (!appData.clockMode) return;
16319 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16323 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16325 /* Fudge if we woke up a little too soon */
16326 fudge = intendedTickLength - lastTickLength;
16327 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16329 if (WhiteOnMove(forwardMostMove)) {
16330 if(whiteNPS >= 0) lastTickLength = 0;
16331 timeRemaining = whiteTimeRemaining -= lastTickLength;
16332 if(timeRemaining < 0 && !appData.icsActive) {
16333 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16334 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16335 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16336 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16339 DisplayWhiteClock(whiteTimeRemaining - fudge,
16340 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16342 if(blackNPS >= 0) lastTickLength = 0;
16343 timeRemaining = blackTimeRemaining -= lastTickLength;
16344 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16345 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16347 blackStartMove = forwardMostMove;
16348 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16351 DisplayBlackClock(blackTimeRemaining - fudge,
16352 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16354 if (CheckFlags()) return;
16356 if(twoBoards) { // count down secondary board's clocks as well
16357 activePartnerTime -= lastTickLength;
16359 if(activePartner == 'W')
16360 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16362 DisplayBlackClock(activePartnerTime, TRUE);
16367 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16368 StartClockTimer(intendedTickLength);
16370 /* if the time remaining has fallen below the alarm threshold, sound the
16371 * alarm. if the alarm has sounded and (due to a takeback or time control
16372 * with increment) the time remaining has increased to a level above the
16373 * threshold, reset the alarm so it can sound again.
16376 if (appData.icsActive && appData.icsAlarm) {
16378 /* make sure we are dealing with the user's clock */
16379 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16380 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16383 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16384 alarmSounded = FALSE;
16385 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16387 alarmSounded = TRUE;
16393 /* A player has just moved, so stop the previously running
16394 clock and (if in clock mode) start the other one.
16395 We redisplay both clocks in case we're in ICS mode, because
16396 ICS gives us an update to both clocks after every move.
16397 Note that this routine is called *after* forwardMostMove
16398 is updated, so the last fractional tick must be subtracted
16399 from the color that is *not* on move now.
16402 SwitchClocks (int newMoveNr)
16404 long lastTickLength;
16406 int flagged = FALSE;
16410 if (StopClockTimer() && appData.clockMode) {
16411 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16412 if (!WhiteOnMove(forwardMostMove)) {
16413 if(blackNPS >= 0) lastTickLength = 0;
16414 blackTimeRemaining -= lastTickLength;
16415 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16416 // if(pvInfoList[forwardMostMove].time == -1)
16417 pvInfoList[forwardMostMove].time = // use GUI time
16418 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16420 if(whiteNPS >= 0) lastTickLength = 0;
16421 whiteTimeRemaining -= lastTickLength;
16422 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16423 // if(pvInfoList[forwardMostMove].time == -1)
16424 pvInfoList[forwardMostMove].time =
16425 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16427 flagged = CheckFlags();
16429 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16430 CheckTimeControl();
16432 if (flagged || !appData.clockMode) return;
16434 switch (gameMode) {
16435 case MachinePlaysBlack:
16436 case MachinePlaysWhite:
16437 case BeginningOfGame:
16438 if (pausing) return;
16442 case PlayFromGameFile:
16450 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16451 if(WhiteOnMove(forwardMostMove))
16452 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16453 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16457 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16458 whiteTimeRemaining : blackTimeRemaining);
16459 StartClockTimer(intendedTickLength);
16463 /* Stop both clocks */
16467 long lastTickLength;
16470 if (!StopClockTimer()) return;
16471 if (!appData.clockMode) return;
16475 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16476 if (WhiteOnMove(forwardMostMove)) {
16477 if(whiteNPS >= 0) lastTickLength = 0;
16478 whiteTimeRemaining -= lastTickLength;
16479 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16481 if(blackNPS >= 0) lastTickLength = 0;
16482 blackTimeRemaining -= lastTickLength;
16483 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16488 /* Start clock of player on move. Time may have been reset, so
16489 if clock is already running, stop and restart it. */
16493 (void) StopClockTimer(); /* in case it was running already */
16494 DisplayBothClocks();
16495 if (CheckFlags()) return;
16497 if (!appData.clockMode) return;
16498 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16500 GetTimeMark(&tickStartTM);
16501 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16502 whiteTimeRemaining : blackTimeRemaining);
16504 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16505 whiteNPS = blackNPS = -1;
16506 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16507 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16508 whiteNPS = first.nps;
16509 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16510 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16511 blackNPS = first.nps;
16512 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16513 whiteNPS = second.nps;
16514 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16515 blackNPS = second.nps;
16516 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16518 StartClockTimer(intendedTickLength);
16522 TimeString (long ms)
16524 long second, minute, hour, day;
16526 static char buf[32];
16528 if (ms > 0 && ms <= 9900) {
16529 /* convert milliseconds to tenths, rounding up */
16530 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16532 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16536 /* convert milliseconds to seconds, rounding up */
16537 /* use floating point to avoid strangeness of integer division
16538 with negative dividends on many machines */
16539 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16546 day = second / (60 * 60 * 24);
16547 second = second % (60 * 60 * 24);
16548 hour = second / (60 * 60);
16549 second = second % (60 * 60);
16550 minute = second / 60;
16551 second = second % 60;
16554 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16555 sign, day, hour, minute, second);
16557 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16559 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16566 * This is necessary because some C libraries aren't ANSI C compliant yet.
16569 StrStr (char *string, char *match)
16573 length = strlen(match);
16575 for (i = strlen(string) - length; i >= 0; i--, string++)
16576 if (!strncmp(match, string, length))
16583 StrCaseStr (char *string, char *match)
16587 length = strlen(match);
16589 for (i = strlen(string) - length; i >= 0; i--, string++) {
16590 for (j = 0; j < length; j++) {
16591 if (ToLower(match[j]) != ToLower(string[j]))
16594 if (j == length) return string;
16602 StrCaseCmp (char *s1, char *s2)
16607 c1 = ToLower(*s1++);
16608 c2 = ToLower(*s2++);
16609 if (c1 > c2) return 1;
16610 if (c1 < c2) return -1;
16611 if (c1 == NULLCHAR) return 0;
16619 return isupper(c) ? tolower(c) : c;
16626 return islower(c) ? toupper(c) : c;
16628 #endif /* !_amigados */
16635 if ((ret = (char *) malloc(strlen(s) + 1)))
16637 safeStrCpy(ret, s, strlen(s)+1);
16643 StrSavePtr (char *s, char **savePtr)
16648 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16649 safeStrCpy(*savePtr, s, strlen(s)+1);
16661 clock = time((time_t *)NULL);
16662 tm = localtime(&clock);
16663 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16664 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16665 return StrSave(buf);
16670 PositionToFEN (int move, char *overrideCastling)
16672 int i, j, fromX, fromY, toX, toY;
16679 whiteToPlay = (gameMode == EditPosition) ?
16680 !blackPlaysFirst : (move % 2 == 0);
16683 /* Piece placement data */
16684 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16685 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16687 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16688 if (boards[move][i][j] == EmptySquare) {
16690 } else { ChessSquare piece = boards[move][i][j];
16691 if (emptycount > 0) {
16692 if(emptycount<10) /* [HGM] can be >= 10 */
16693 *p++ = '0' + emptycount;
16694 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16697 if(PieceToChar(piece) == '+') {
16698 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16700 piece = (ChessSquare)(DEMOTED piece);
16702 *p++ = PieceToChar(piece);
16704 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16705 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16710 if (emptycount > 0) {
16711 if(emptycount<10) /* [HGM] can be >= 10 */
16712 *p++ = '0' + emptycount;
16713 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16720 /* [HGM] print Crazyhouse or Shogi holdings */
16721 if( gameInfo.holdingsWidth ) {
16722 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16724 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16725 piece = boards[move][i][BOARD_WIDTH-1];
16726 if( piece != EmptySquare )
16727 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16728 *p++ = PieceToChar(piece);
16730 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16731 piece = boards[move][BOARD_HEIGHT-i-1][0];
16732 if( piece != EmptySquare )
16733 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16734 *p++ = PieceToChar(piece);
16737 if( q == p ) *p++ = '-';
16743 *p++ = whiteToPlay ? 'w' : 'b';
16746 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16747 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16749 if(nrCastlingRights) {
16751 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16752 /* [HGM] write directly from rights */
16753 if(boards[move][CASTLING][2] != NoRights &&
16754 boards[move][CASTLING][0] != NoRights )
16755 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16756 if(boards[move][CASTLING][2] != NoRights &&
16757 boards[move][CASTLING][1] != NoRights )
16758 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16759 if(boards[move][CASTLING][5] != NoRights &&
16760 boards[move][CASTLING][3] != NoRights )
16761 *p++ = boards[move][CASTLING][3] + AAA;
16762 if(boards[move][CASTLING][5] != NoRights &&
16763 boards[move][CASTLING][4] != NoRights )
16764 *p++ = boards[move][CASTLING][4] + AAA;
16767 /* [HGM] write true castling rights */
16768 if( nrCastlingRights == 6 ) {
16770 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16771 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16772 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16773 boards[move][CASTLING][2] != NoRights );
16774 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16775 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16776 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16777 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16778 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16782 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16783 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16784 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16785 boards[move][CASTLING][5] != NoRights );
16786 if(gameInfo.variant == VariantSChess) {
16787 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16788 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16789 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16790 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16795 if (q == p) *p++ = '-'; /* No castling rights */
16799 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16800 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16801 /* En passant target square */
16802 if (move > backwardMostMove) {
16803 fromX = moveList[move - 1][0] - AAA;
16804 fromY = moveList[move - 1][1] - ONE;
16805 toX = moveList[move - 1][2] - AAA;
16806 toY = moveList[move - 1][3] - ONE;
16807 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16808 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16809 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16811 /* 2-square pawn move just happened */
16813 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16817 } else if(move == backwardMostMove) {
16818 // [HGM] perhaps we should always do it like this, and forget the above?
16819 if((signed char)boards[move][EP_STATUS] >= 0) {
16820 *p++ = boards[move][EP_STATUS] + AAA;
16821 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16832 /* [HGM] find reversible plies */
16833 { int i = 0, j=move;
16835 if (appData.debugMode) { int k;
16836 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16837 for(k=backwardMostMove; k<=forwardMostMove; k++)
16838 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16842 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16843 if( j == backwardMostMove ) i += initialRulePlies;
16844 sprintf(p, "%d ", i);
16845 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16847 /* Fullmove number */
16848 sprintf(p, "%d", (move / 2) + 1);
16850 return StrSave(buf);
16854 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16858 int emptycount, virgin[BOARD_FILES];
16863 /* [HGM] by default clear Crazyhouse holdings, if present */
16864 if(gameInfo.holdingsWidth) {
16865 for(i=0; i<BOARD_HEIGHT; i++) {
16866 board[i][0] = EmptySquare; /* black holdings */
16867 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16868 board[i][1] = (ChessSquare) 0; /* black counts */
16869 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16873 /* Piece placement data */
16874 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16877 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16878 if (*p == '/') p++;
16879 emptycount = gameInfo.boardWidth - j;
16880 while (emptycount--)
16881 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16883 #if(BOARD_FILES >= 10)
16884 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16885 p++; emptycount=10;
16886 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16887 while (emptycount--)
16888 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16890 } else if (isdigit(*p)) {
16891 emptycount = *p++ - '0';
16892 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16893 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16894 while (emptycount--)
16895 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16896 } else if (*p == '+' || isalpha(*p)) {
16897 if (j >= gameInfo.boardWidth) return FALSE;
16899 piece = CharToPiece(*++p);
16900 if(piece == EmptySquare) return FALSE; /* unknown piece */
16901 piece = (ChessSquare) (PROMOTED piece ); p++;
16902 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16903 } else piece = CharToPiece(*p++);
16905 if(piece==EmptySquare) return FALSE; /* unknown piece */
16906 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16907 piece = (ChessSquare) (PROMOTED piece);
16908 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16911 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16917 while (*p == '/' || *p == ' ') p++;
16919 /* [HGM] look for Crazyhouse holdings here */
16920 while(*p==' ') p++;
16921 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16923 if(*p == '-' ) p++; /* empty holdings */ else {
16924 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16925 /* if we would allow FEN reading to set board size, we would */
16926 /* have to add holdings and shift the board read so far here */
16927 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16929 if((int) piece >= (int) BlackPawn ) {
16930 i = (int)piece - (int)BlackPawn;
16931 i = PieceToNumber((ChessSquare)i);
16932 if( i >= gameInfo.holdingsSize ) return FALSE;
16933 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16934 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16936 i = (int)piece - (int)WhitePawn;
16937 i = PieceToNumber((ChessSquare)i);
16938 if( i >= gameInfo.holdingsSize ) return FALSE;
16939 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16940 board[i][BOARD_WIDTH-2]++; /* black holdings */
16947 while(*p == ' ') p++;
16951 if(appData.colorNickNames) {
16952 if( c == appData.colorNickNames[0] ) c = 'w'; else
16953 if( c == appData.colorNickNames[1] ) c = 'b';
16957 *blackPlaysFirst = FALSE;
16960 *blackPlaysFirst = TRUE;
16966 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16967 /* return the extra info in global variiables */
16969 /* set defaults in case FEN is incomplete */
16970 board[EP_STATUS] = EP_UNKNOWN;
16971 for(i=0; i<nrCastlingRights; i++ ) {
16972 board[CASTLING][i] =
16973 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16974 } /* assume possible unless obviously impossible */
16975 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16976 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16977 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16978 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16979 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16980 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16981 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16982 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16985 while(*p==' ') p++;
16986 if(nrCastlingRights) {
16987 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
16988 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
16989 /* castling indicator present, so default becomes no castlings */
16990 for(i=0; i<nrCastlingRights; i++ ) {
16991 board[CASTLING][i] = NoRights;
16994 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16995 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
16996 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16997 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16998 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17000 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17001 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17002 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17004 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17005 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17006 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17007 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17008 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17009 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17012 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17013 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17014 board[CASTLING][2] = whiteKingFile;
17015 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17016 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17019 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17020 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17021 board[CASTLING][2] = whiteKingFile;
17022 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17023 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17026 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17027 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17028 board[CASTLING][5] = blackKingFile;
17029 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17030 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17033 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17034 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17035 board[CASTLING][5] = blackKingFile;
17036 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17037 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17040 default: /* FRC castlings */
17041 if(c >= 'a') { /* black rights */
17042 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17043 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17044 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17045 if(i == BOARD_RGHT) break;
17046 board[CASTLING][5] = i;
17048 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17049 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17051 board[CASTLING][3] = c;
17053 board[CASTLING][4] = c;
17054 } else { /* white rights */
17055 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17056 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17057 if(board[0][i] == WhiteKing) break;
17058 if(i == BOARD_RGHT) break;
17059 board[CASTLING][2] = i;
17060 c -= AAA - 'a' + 'A';
17061 if(board[0][c] >= WhiteKing) break;
17063 board[CASTLING][0] = c;
17065 board[CASTLING][1] = c;
17069 for(i=0; i<nrCastlingRights; i++)
17070 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17071 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17072 if (appData.debugMode) {
17073 fprintf(debugFP, "FEN castling rights:");
17074 for(i=0; i<nrCastlingRights; i++)
17075 fprintf(debugFP, " %d", board[CASTLING][i]);
17076 fprintf(debugFP, "\n");
17079 while(*p==' ') p++;
17082 /* read e.p. field in games that know e.p. capture */
17083 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17084 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17086 p++; board[EP_STATUS] = EP_NONE;
17088 char c = *p++ - AAA;
17090 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17091 if(*p >= '0' && *p <='9') p++;
17092 board[EP_STATUS] = c;
17097 if(sscanf(p, "%d", &i) == 1) {
17098 FENrulePlies = i; /* 50-move ply counter */
17099 /* (The move number is still ignored) */
17106 EditPositionPasteFEN (char *fen)
17109 Board initial_position;
17111 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17112 DisplayError(_("Bad FEN position in clipboard"), 0);
17115 int savedBlackPlaysFirst = blackPlaysFirst;
17116 EditPositionEvent();
17117 blackPlaysFirst = savedBlackPlaysFirst;
17118 CopyBoard(boards[0], initial_position);
17119 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17120 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17121 DisplayBothClocks();
17122 DrawPosition(FALSE, boards[currentMove]);
17127 static char cseq[12] = "\\ ";
17130 set_cont_sequence (char *new_seq)
17135 // handle bad attempts to set the sequence
17137 return 0; // acceptable error - no debug
17139 len = strlen(new_seq);
17140 ret = (len > 0) && (len < sizeof(cseq));
17142 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17143 else if (appData.debugMode)
17144 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17149 reformat a source message so words don't cross the width boundary. internal
17150 newlines are not removed. returns the wrapped size (no null character unless
17151 included in source message). If dest is NULL, only calculate the size required
17152 for the dest buffer. lp argument indicats line position upon entry, and it's
17153 passed back upon exit.
17156 wrap (char *dest, char *src, int count, int width, int *lp)
17158 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17160 cseq_len = strlen(cseq);
17161 old_line = line = *lp;
17162 ansi = len = clen = 0;
17164 for (i=0; i < count; i++)
17166 if (src[i] == '\033')
17169 // if we hit the width, back up
17170 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17172 // store i & len in case the word is too long
17173 old_i = i, old_len = len;
17175 // find the end of the last word
17176 while (i && src[i] != ' ' && src[i] != '\n')
17182 // word too long? restore i & len before splitting it
17183 if ((old_i-i+clen) >= width)
17190 if (i && src[i-1] == ' ')
17193 if (src[i] != ' ' && src[i] != '\n')
17200 // now append the newline and continuation sequence
17205 strncpy(dest+len, cseq, cseq_len);
17213 dest[len] = src[i];
17217 if (src[i] == '\n')
17222 if (dest && appData.debugMode)
17224 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17225 count, width, line, len, *lp);
17226 show_bytes(debugFP, src, count);
17227 fprintf(debugFP, "\ndest: ");
17228 show_bytes(debugFP, dest, len);
17229 fprintf(debugFP, "\n");
17231 *lp = dest ? line : old_line;
17236 // [HGM] vari: routines for shelving variations
17237 Boolean modeRestore = FALSE;
17240 PushInner (int firstMove, int lastMove)
17242 int i, j, nrMoves = lastMove - firstMove;
17244 // push current tail of game on stack
17245 savedResult[storedGames] = gameInfo.result;
17246 savedDetails[storedGames] = gameInfo.resultDetails;
17247 gameInfo.resultDetails = NULL;
17248 savedFirst[storedGames] = firstMove;
17249 savedLast [storedGames] = lastMove;
17250 savedFramePtr[storedGames] = framePtr;
17251 framePtr -= nrMoves; // reserve space for the boards
17252 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17253 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17254 for(j=0; j<MOVE_LEN; j++)
17255 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17256 for(j=0; j<2*MOVE_LEN; j++)
17257 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17258 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17259 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17260 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17261 pvInfoList[firstMove+i-1].depth = 0;
17262 commentList[framePtr+i] = commentList[firstMove+i];
17263 commentList[firstMove+i] = NULL;
17267 forwardMostMove = firstMove; // truncate game so we can start variation
17271 PushTail (int firstMove, int lastMove)
17273 if(appData.icsActive) { // only in local mode
17274 forwardMostMove = currentMove; // mimic old ICS behavior
17277 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17279 PushInner(firstMove, lastMove);
17280 if(storedGames == 1) GreyRevert(FALSE);
17281 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17285 PopInner (Boolean annotate)
17288 char buf[8000], moveBuf[20];
17290 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17291 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17292 nrMoves = savedLast[storedGames] - currentMove;
17295 if(!WhiteOnMove(currentMove))
17296 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17297 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17298 for(i=currentMove; i<forwardMostMove; i++) {
17300 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17301 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17302 strcat(buf, moveBuf);
17303 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17304 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17308 for(i=1; i<=nrMoves; i++) { // copy last variation back
17309 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17310 for(j=0; j<MOVE_LEN; j++)
17311 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17312 for(j=0; j<2*MOVE_LEN; j++)
17313 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17314 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17315 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17316 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17317 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17318 commentList[currentMove+i] = commentList[framePtr+i];
17319 commentList[framePtr+i] = NULL;
17321 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17322 framePtr = savedFramePtr[storedGames];
17323 gameInfo.result = savedResult[storedGames];
17324 if(gameInfo.resultDetails != NULL) {
17325 free(gameInfo.resultDetails);
17327 gameInfo.resultDetails = savedDetails[storedGames];
17328 forwardMostMove = currentMove + nrMoves;
17332 PopTail (Boolean annotate)
17334 if(appData.icsActive) return FALSE; // only in local mode
17335 if(!storedGames) return FALSE; // sanity
17336 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17338 PopInner(annotate);
17339 if(currentMove < forwardMostMove) ForwardEvent(); else
17340 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17342 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17348 { // remove all shelved variations
17350 for(i=0; i<storedGames; i++) {
17351 if(savedDetails[i])
17352 free(savedDetails[i]);
17353 savedDetails[i] = NULL;
17355 for(i=framePtr; i<MAX_MOVES; i++) {
17356 if(commentList[i]) free(commentList[i]);
17357 commentList[i] = NULL;
17359 framePtr = MAX_MOVES-1;
17364 LoadVariation (int index, char *text)
17365 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17366 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17367 int level = 0, move;
17369 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17370 // first find outermost bracketing variation
17371 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17372 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17373 if(*p == '{') wait = '}'; else
17374 if(*p == '[') wait = ']'; else
17375 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17376 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17378 if(*p == wait) wait = NULLCHAR; // closing ]} found
17381 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17382 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17383 end[1] = NULLCHAR; // clip off comment beyond variation
17384 ToNrEvent(currentMove-1);
17385 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17386 // kludge: use ParsePV() to append variation to game
17387 move = currentMove;
17388 ParsePV(start, TRUE, TRUE);
17389 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17390 ClearPremoveHighlights();
17392 ToNrEvent(currentMove+1);