2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
228 extern void ConsoleCreate();
231 ChessProgramState *WhitePlayer();
232 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
233 int VerifyDisplayMode P(());
235 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
236 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
237 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
238 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
239 void ics_update_width P((int new_width));
240 extern char installDir[MSG_SIZ];
241 VariantClass startVariant; /* [HGM] nicks: initial variant */
244 extern int tinyLayout, smallLayout;
245 ChessProgramStats programStats;
246 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
248 static int exiting = 0; /* [HGM] moved to top */
249 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
250 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
251 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
252 int partnerHighlight[2];
253 Boolean partnerBoardValid = 0;
254 char partnerStatus[MSG_SIZ];
256 Boolean originalFlip;
257 Boolean twoBoards = 0;
258 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
259 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
260 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
261 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
262 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
263 int opponentKibitzes;
264 int lastSavedGame; /* [HGM] save: ID of game */
265 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
266 extern int chatCount;
268 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
269 char lastMsg[MSG_SIZ];
270 ChessSquare pieceSweep = EmptySquare;
271 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
272 int promoDefaultAltered;
274 /* States for ics_getting_history */
276 #define H_REQUESTED 1
277 #define H_GOT_REQ_HEADER 2
278 #define H_GOT_UNREQ_HEADER 3
279 #define H_GETTING_MOVES 4
280 #define H_GOT_UNWANTED_HEADER 5
282 /* whosays values for GameEnds */
291 /* Maximum number of games in a cmail message */
292 #define CMAIL_MAX_GAMES 20
294 /* Different types of move when calling RegisterMove */
296 #define CMAIL_RESIGN 1
298 #define CMAIL_ACCEPT 3
300 /* Different types of result to remember for each game */
301 #define CMAIL_NOT_RESULT 0
302 #define CMAIL_OLD_RESULT 1
303 #define CMAIL_NEW_RESULT 2
305 /* Telnet protocol constants */
316 safeStrCpy (char *dst, const char *src, size_t count)
319 assert( dst != NULL );
320 assert( src != NULL );
323 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
324 if( i == count && dst[count-1] != NULLCHAR)
326 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
327 if(appData.debugMode)
328 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
334 /* Some compiler can't cast u64 to double
335 * This function do the job for us:
337 * We use the highest bit for cast, this only
338 * works if the highest bit is not
339 * in use (This should not happen)
341 * We used this for all compiler
344 u64ToDouble (u64 value)
347 u64 tmp = value & u64Const(0x7fffffffffffffff);
348 r = (double)(s64)tmp;
349 if (value & u64Const(0x8000000000000000))
350 r += 9.2233720368547758080e18; /* 2^63 */
354 /* Fake up flags for now, as we aren't keeping track of castling
355 availability yet. [HGM] Change of logic: the flag now only
356 indicates the type of castlings allowed by the rule of the game.
357 The actual rights themselves are maintained in the array
358 castlingRights, as part of the game history, and are not probed
364 int flags = F_ALL_CASTLE_OK;
365 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
366 switch (gameInfo.variant) {
368 flags &= ~F_ALL_CASTLE_OK;
369 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
370 flags |= F_IGNORE_CHECK;
372 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
375 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
377 case VariantKriegspiel:
378 flags |= F_KRIEGSPIEL_CAPTURE;
380 case VariantCapaRandom:
381 case VariantFischeRandom:
382 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
383 case VariantNoCastle:
384 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP, *serverFP;
397 char *currentDebugFile; // [HGM] debug split: to remember name
400 [AS] Note: sometimes, the sscanf() function is used to parse the input
401 into a fixed-size buffer. Because of this, we must be prepared to
402 receive strings as long as the size of the input buffer, which is currently
403 set to 4K for Windows and 8K for the rest.
404 So, we must either allocate sufficiently large buffers here, or
405 reduce the size of the input buffer in the input reading part.
408 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
409 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
410 char thinkOutput1[MSG_SIZ*10];
412 ChessProgramState first, second, pairing;
414 /* premove variables */
417 int premoveFromX = 0;
418 int premoveFromY = 0;
419 int premovePromoChar = 0;
421 Boolean alarmSounded;
422 /* end premove variables */
424 char *ics_prefix = "$";
425 int ics_type = ICS_GENERIC;
427 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
428 int pauseExamForwardMostMove = 0;
429 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
430 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
431 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
432 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
433 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
434 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
435 int whiteFlag = FALSE, blackFlag = FALSE;
436 int userOfferedDraw = FALSE;
437 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
438 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
439 int cmailMoveType[CMAIL_MAX_GAMES];
440 long ics_clock_paused = 0;
441 ProcRef icsPR = NoProc, cmailPR = NoProc;
442 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
443 GameMode gameMode = BeginningOfGame;
444 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
445 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
446 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
447 int hiddenThinkOutputState = 0; /* [AS] */
448 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
449 int adjudicateLossPlies = 6;
450 char white_holding[64], black_holding[64];
451 TimeMark lastNodeCountTime;
452 long lastNodeCount=0;
453 int shiftKey, controlKey; // [HGM] set by mouse handler
455 int have_sent_ICS_logon = 0;
457 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
458 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
459 Boolean adjustedClock;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
463 int matchGame = 0, nextGame = 0, roundNr = 0;
464 Boolean waitingForGame = FALSE;
465 TimeMark programStartTime, pauseStart;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 Boolean shuffleOpenings;
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void PushInner P((int firstMove, int lastMove));
504 void PopInner P((Boolean annotate));
505 void CleanupTail P((void));
507 ChessSquare FIDEArray[2][BOARD_FILES] = {
508 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackKnight, BlackRook }
514 ChessSquare twoKingsArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackKing, BlackKnight, BlackRook }
521 ChessSquare KnightmateArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
523 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
524 { BlackRook, BlackMan, BlackBishop, BlackQueen,
525 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
528 ChessSquare SpartanArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
530 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
531 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
532 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
535 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
539 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
542 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
543 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
544 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
546 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
549 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
551 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackMan, BlackFerz,
553 BlackKing, BlackMan, BlackKnight, BlackRook }
557 #if (BOARD_FILES>=10)
558 ChessSquare ShogiArray[2][BOARD_FILES] = {
559 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
560 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
561 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
562 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
565 ChessSquare XiangqiArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
567 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
569 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
572 ChessSquare CapablancaArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
576 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
579 ChessSquare GreatArray[2][BOARD_FILES] = {
580 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
581 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
582 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
583 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
586 ChessSquare JanusArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
588 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
589 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
590 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
593 ChessSquare GrandArray[2][BOARD_FILES] = {
594 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
595 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
596 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
597 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
614 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
616 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating (char *str)
650 while(*str && !isdigit(*str)) ++str;
652 return 0; /* One of the special "no rating" cases */
660 /* Init programStats */
661 programStats.movelist[0] = 0;
662 programStats.depth = 0;
663 programStats.nr_moves = 0;
664 programStats.moves_left = 0;
665 programStats.nodes = 0;
666 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
667 programStats.score = 0;
668 programStats.got_only_move = 0;
669 programStats.got_fail = 0;
670 programStats.line_is_book = 0;
675 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
676 if (appData.firstPlaysBlack) {
677 first.twoMachinesColor = "black\n";
678 second.twoMachinesColor = "white\n";
680 first.twoMachinesColor = "white\n";
681 second.twoMachinesColor = "black\n";
684 first.other = &second;
685 second.other = &first;
688 if(appData.timeOddsMode) {
689 norm = appData.timeOdds[0];
690 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
692 first.timeOdds = appData.timeOdds[0]/norm;
693 second.timeOdds = appData.timeOdds[1]/norm;
696 if(programVersion) free(programVersion);
697 if (appData.noChessProgram) {
698 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
699 sprintf(programVersion, "%s", PACKAGE_STRING);
701 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
702 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
703 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
708 UnloadEngine (ChessProgramState *cps)
710 /* Kill off first chess program */
711 if (cps->isr != NULL)
712 RemoveInputSource(cps->isr);
715 if (cps->pr != NoProc) {
717 DoSleep( appData.delayBeforeQuit );
718 SendToProgram("quit\n", cps);
719 DoSleep( appData.delayAfterQuit );
720 DestroyChildProcess(cps->pr, cps->useSigterm);
723 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
727 ClearOptions (ChessProgramState *cps)
730 cps->nrOptions = cps->comboCnt = 0;
731 for(i=0; i<MAX_OPTIONS; i++) {
732 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
733 cps->option[i].textValue = 0;
737 char *engineNames[] = {
738 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
739 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
741 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
747 InitEngine (ChessProgramState *cps, int n)
748 { // [HGM] all engine initialiation put in a function that does one engine
752 cps->which = engineNames[n];
753 cps->maybeThinking = FALSE;
757 cps->sendDrawOffers = 1;
759 cps->program = appData.chessProgram[n];
760 cps->host = appData.host[n];
761 cps->dir = appData.directory[n];
762 cps->initString = appData.engInitString[n];
763 cps->computerString = appData.computerString[n];
764 cps->useSigint = TRUE;
765 cps->useSigterm = TRUE;
766 cps->reuse = appData.reuse[n];
767 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
768 cps->useSetboard = FALSE;
770 cps->usePing = FALSE;
773 cps->usePlayother = FALSE;
774 cps->useColors = TRUE;
775 cps->useUsermove = FALSE;
776 cps->sendICS = FALSE;
777 cps->sendName = appData.icsActive;
778 cps->sdKludge = FALSE;
779 cps->stKludge = FALSE;
780 TidyProgramName(cps->program, cps->host, cps->tidy);
782 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
783 cps->analysisSupport = 2; /* detect */
784 cps->analyzing = FALSE;
785 cps->initDone = FALSE;
787 /* New features added by Tord: */
788 cps->useFEN960 = FALSE;
789 cps->useOOCastle = TRUE;
790 /* End of new features added by Tord. */
791 cps->fenOverride = appData.fenOverride[n];
793 /* [HGM] time odds: set factor for each machine */
794 cps->timeOdds = appData.timeOdds[n];
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 cps->accumulateTC = appData.accumulateTC[n];
798 cps->maxNrOfSessions = 1;
803 cps->supportsNPS = UNKNOWN;
804 cps->memSize = FALSE;
805 cps->maxCores = FALSE;
806 cps->egtFormats[0] = NULLCHAR;
809 cps->optionSettings = appData.engOptions[n];
811 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
812 cps->isUCI = appData.isUCI[n]; /* [AS] */
813 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
815 if (appData.protocolVersion[n] > PROTOVER
816 || appData.protocolVersion[n] < 1)
821 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
822 appData.protocolVersion[n]);
823 if( (len >= MSG_SIZ) && appData.debugMode )
824 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
826 DisplayFatalError(buf, 0, 2);
830 cps->protocolVersion = appData.protocolVersion[n];
833 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ParseFeatures(appData.featureDefaults, cps);
837 ChessProgramState *savCps;
843 if(WaitForEngine(savCps, LoadEngine)) return;
844 CommonEngineInit(); // recalculate time odds
845 if(gameInfo.variant != StringToVariant(appData.variant)) {
846 // we changed variant when loading the engine; this forces us to reset
847 Reset(TRUE, savCps != &first);
848 EditGameEvent(); // for consistency with other path, as Reset changes mode
850 InitChessProgram(savCps, FALSE);
851 SendToProgram("force\n", savCps);
852 DisplayMessage("", "");
853 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
854 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
860 ReplaceEngine (ChessProgramState *cps, int n)
864 appData.noChessProgram = FALSE;
865 appData.clockMode = TRUE;
868 if(n) return; // only startup first engine immediately; second can wait
869 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
873 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
874 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
876 static char resetOptions[] =
877 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
878 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
879 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
880 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
883 FloatToFront(char **list, char *engineLine)
885 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
887 if(appData.recentEngines <= 0) return;
888 TidyProgramName(engineLine, "localhost", tidy+1);
889 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
890 strncpy(buf+1, *list, MSG_SIZ-50);
891 if(p = strstr(buf, tidy)) { // tidy name appears in list
892 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
893 while(*p++ = *++q); // squeeze out
895 strcat(tidy, buf+1); // put list behind tidy name
896 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
897 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
898 ASSIGN(*list, tidy+1);
901 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
904 Load (ChessProgramState *cps, int i)
906 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
907 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
908 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
909 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
910 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
911 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
912 appData.firstProtocolVersion = PROTOVER;
913 ParseArgsFromString(buf);
915 ReplaceEngine(cps, i);
916 FloatToFront(&appData.recentEngineList, engineLine);
920 while(q = strchr(p, SLASH)) p = q+1;
921 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
922 if(engineDir[0] != NULLCHAR) {
923 ASSIGN(appData.directory[i], engineDir); p = engineName;
924 } else if(p != engineName) { // derive directory from engine path, when not given
926 ASSIGN(appData.directory[i], engineName);
928 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
929 } else { ASSIGN(appData.directory[i], "."); }
931 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
932 snprintf(command, MSG_SIZ, "%s %s", p, params);
935 ASSIGN(appData.chessProgram[i], p);
936 appData.isUCI[i] = isUCI;
937 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
938 appData.hasOwnBookUCI[i] = hasBook;
939 if(!nickName[0]) useNick = FALSE;
940 if(useNick) ASSIGN(appData.pgnName[i], nickName);
944 q = firstChessProgramNames;
945 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
946 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
948 quote, p, quote, appData.directory[i],
949 useNick ? " -fn \"" : "",
950 useNick ? nickName : "",
952 v1 ? " -firstProtocolVersion 1" : "",
953 hasBook ? "" : " -fNoOwnBookUCI",
954 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
955 storeVariant ? " -variant " : "",
956 storeVariant ? VariantName(gameInfo.variant) : "");
957 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
958 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
959 if(insert != q) insert[-1] = NULLCHAR;
960 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
962 FloatToFront(&appData.recentEngineList, buf);
964 ReplaceEngine(cps, i);
970 int matched, min, sec;
972 * Parse timeControl resource
974 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
975 appData.movesPerSession)) {
977 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
978 DisplayFatalError(buf, 0, 2);
982 * Parse searchTime resource
984 if (*appData.searchTime != NULLCHAR) {
985 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
987 searchTime = min * 60;
988 } else if (matched == 2) {
989 searchTime = min * 60 + sec;
992 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
993 DisplayFatalError(buf, 0, 2);
1002 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1003 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1005 GetTimeMark(&programStartTime);
1006 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1007 appData.seedBase = random() + (random()<<15);
1008 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1010 ClearProgramStats();
1011 programStats.ok_to_send = 1;
1012 programStats.seen_stat = 0;
1015 * Initialize game list
1021 * Internet chess server status
1023 if (appData.icsActive) {
1024 appData.matchMode = FALSE;
1025 appData.matchGames = 0;
1027 appData.noChessProgram = !appData.zippyPlay;
1029 appData.zippyPlay = FALSE;
1030 appData.zippyTalk = FALSE;
1031 appData.noChessProgram = TRUE;
1033 if (*appData.icsHelper != NULLCHAR) {
1034 appData.useTelnet = TRUE;
1035 appData.telnetProgram = appData.icsHelper;
1038 appData.zippyTalk = appData.zippyPlay = FALSE;
1041 /* [AS] Initialize pv info list [HGM] and game state */
1045 for( i=0; i<=framePtr; i++ ) {
1046 pvInfoList[i].depth = -1;
1047 boards[i][EP_STATUS] = EP_NONE;
1048 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1054 /* [AS] Adjudication threshold */
1055 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1057 InitEngine(&first, 0);
1058 InitEngine(&second, 1);
1061 pairing.which = "pairing"; // pairing engine
1062 pairing.pr = NoProc;
1064 pairing.program = appData.pairingEngine;
1065 pairing.host = "localhost";
1068 if (appData.icsActive) {
1069 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1070 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1071 appData.clockMode = FALSE;
1072 first.sendTime = second.sendTime = 0;
1076 /* Override some settings from environment variables, for backward
1077 compatibility. Unfortunately it's not feasible to have the env
1078 vars just set defaults, at least in xboard. Ugh.
1080 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1085 if (!appData.icsActive) {
1089 /* Check for variants that are supported only in ICS mode,
1090 or not at all. Some that are accepted here nevertheless
1091 have bugs; see comments below.
1093 VariantClass variant = StringToVariant(appData.variant);
1095 case VariantBughouse: /* need four players and two boards */
1096 case VariantKriegspiel: /* need to hide pieces and move details */
1097 /* case VariantFischeRandom: (Fabien: moved below) */
1098 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1099 if( (len >= MSG_SIZ) && appData.debugMode )
1100 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1102 DisplayFatalError(buf, 0, 2);
1105 case VariantUnknown:
1106 case VariantLoadable:
1116 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1117 if( (len >= MSG_SIZ) && appData.debugMode )
1118 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1120 DisplayFatalError(buf, 0, 2);
1123 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1124 case VariantFairy: /* [HGM] TestLegality definitely off! */
1125 case VariantGothic: /* [HGM] should work */
1126 case VariantCapablanca: /* [HGM] should work */
1127 case VariantCourier: /* [HGM] initial forced moves not implemented */
1128 case VariantShogi: /* [HGM] could still mate with pawn drop */
1129 case VariantKnightmate: /* [HGM] should work */
1130 case VariantCylinder: /* [HGM] untested */
1131 case VariantFalcon: /* [HGM] untested */
1132 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1133 offboard interposition not understood */
1134 case VariantNormal: /* definitely works! */
1135 case VariantWildCastle: /* pieces not automatically shuffled */
1136 case VariantNoCastle: /* pieces not automatically shuffled */
1137 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1138 case VariantLosers: /* should work except for win condition,
1139 and doesn't know captures are mandatory */
1140 case VariantSuicide: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantGiveaway: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantTwoKings: /* should work */
1145 case VariantAtomic: /* should work except for win condition */
1146 case Variant3Check: /* should work except for win condition */
1147 case VariantShatranj: /* should work except for all win conditions */
1148 case VariantMakruk: /* should work except for draw countdown */
1149 case VariantBerolina: /* might work if TestLegality is off */
1150 case VariantCapaRandom: /* should work */
1151 case VariantJanus: /* should work */
1152 case VariantSuper: /* experimental */
1153 case VariantGreat: /* experimental, requires legality testing to be off */
1154 case VariantSChess: /* S-Chess, should work */
1155 case VariantGrand: /* should work */
1156 case VariantSpartan: /* should work */
1164 NextIntegerFromString (char ** str, long * value)
1169 while( *s == ' ' || *s == '\t' ) {
1175 if( *s >= '0' && *s <= '9' ) {
1176 while( *s >= '0' && *s <= '9' ) {
1177 *value = *value * 10 + (*s - '0');
1190 NextTimeControlFromString (char ** str, long * value)
1193 int result = NextIntegerFromString( str, &temp );
1196 *value = temp * 60; /* Minutes */
1197 if( **str == ':' ) {
1199 result = NextIntegerFromString( str, &temp );
1200 *value += temp; /* Seconds */
1208 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1209 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1210 int result = -1, type = 0; long temp, temp2;
1212 if(**str != ':') return -1; // old params remain in force!
1214 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1215 if( NextIntegerFromString( str, &temp ) ) return -1;
1216 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1219 /* time only: incremental or sudden-death time control */
1220 if(**str == '+') { /* increment follows; read it */
1222 if(**str == '!') type = *(*str)++; // Bronstein TC
1223 if(result = NextIntegerFromString( str, &temp2)) return -1;
1224 *inc = temp2 * 1000;
1225 if(**str == '.') { // read fraction of increment
1226 char *start = ++(*str);
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1229 while(start++ < *str) temp2 /= 10;
1233 *moves = 0; *tc = temp * 1000; *incType = type;
1237 (*str)++; /* classical time control */
1238 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1250 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1251 { /* [HGM] get time to add from the multi-session time-control string */
1252 int incType, moves=1; /* kludge to force reading of first session */
1253 long time, increment;
1256 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1258 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1259 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1260 if(movenr == -1) return time; /* last move before new session */
1261 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1262 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1263 if(!moves) return increment; /* current session is incremental */
1264 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1265 } while(movenr >= -1); /* try again for next session */
1267 return 0; // no new time quota on this move
1271 ParseTimeControl (char *tc, float ti, int mps)
1275 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1278 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1279 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1280 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1284 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1286 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1291 snprintf(buf, MSG_SIZ, ":%s", mytc);
1293 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1295 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1300 /* Parse second time control */
1303 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1311 timeControl_2 = tc2 * 1000;
1321 timeControl = tc1 * 1000;
1324 timeIncrement = ti * 1000; /* convert to ms */
1325 movesPerSession = 0;
1328 movesPerSession = mps;
1336 if (appData.debugMode) {
1337 fprintf(debugFP, "%s\n", programVersion);
1339 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1341 set_cont_sequence(appData.wrapContSeq);
1342 if (appData.matchGames > 0) {
1343 appData.matchMode = TRUE;
1344 } else if (appData.matchMode) {
1345 appData.matchGames = 1;
1347 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1348 appData.matchGames = appData.sameColorGames;
1349 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1350 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1351 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1354 if (appData.noChessProgram || first.protocolVersion == 1) {
1357 /* kludge: allow timeout for initial "feature" commands */
1359 DisplayMessage("", _("Starting chess program"));
1360 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1365 CalculateIndex (int index, int gameNr)
1366 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1368 if(index > 0) return index; // fixed nmber
1369 if(index == 0) return 1;
1370 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1371 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1376 LoadGameOrPosition (int gameNr)
1377 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1378 if (*appData.loadGameFile != NULLCHAR) {
1379 if (!LoadGameFromFile(appData.loadGameFile,
1380 CalculateIndex(appData.loadGameIndex, gameNr),
1381 appData.loadGameFile, FALSE)) {
1382 DisplayFatalError(_("Bad game file"), 0, 1);
1385 } else if (*appData.loadPositionFile != NULLCHAR) {
1386 if (!LoadPositionFromFile(appData.loadPositionFile,
1387 CalculateIndex(appData.loadPositionIndex, gameNr),
1388 appData.loadPositionFile)) {
1389 DisplayFatalError(_("Bad position file"), 0, 1);
1397 ReserveGame (int gameNr, char resChar)
1399 FILE *tf = fopen(appData.tourneyFile, "r+");
1400 char *p, *q, c, buf[MSG_SIZ];
1401 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1402 safeStrCpy(buf, lastMsg, MSG_SIZ);
1403 DisplayMessage(_("Pick new game"), "");
1404 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1405 ParseArgsFromFile(tf);
1406 p = q = appData.results;
1407 if(appData.debugMode) {
1408 char *r = appData.participants;
1409 fprintf(debugFP, "results = '%s'\n", p);
1410 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1411 fprintf(debugFP, "\n");
1413 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1415 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1416 safeStrCpy(q, p, strlen(p) + 2);
1417 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1418 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1420 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1423 fseek(tf, -(strlen(p)+4), SEEK_END);
1425 if(c != '"') // depending on DOS or Unix line endings we can be one off
1426 fseek(tf, -(strlen(p)+2), SEEK_END);
1427 else fseek(tf, -(strlen(p)+3), SEEK_END);
1428 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1429 DisplayMessage(buf, "");
1430 free(p); appData.results = q;
1431 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1432 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1433 int round = appData.defaultMatchGames * appData.tourneyType;
1434 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1435 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1436 UnloadEngine(&first); // next game belongs to other pairing;
1437 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1439 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1443 MatchEvent (int mode)
1444 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1446 if(matchMode) { // already in match mode: switch it off
1448 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1451 // if(gameMode != BeginningOfGame) {
1452 // DisplayError(_("You can only start a match from the initial position."), 0);
1456 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1457 /* Set up machine vs. machine match */
1459 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1460 if(appData.tourneyFile[0]) {
1462 if(nextGame > appData.matchGames) {
1464 if(strchr(appData.results, '*') == NULL) {
1466 appData.tourneyCycles++;
1467 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1469 NextTourneyGame(-1, &dummy);
1471 if(nextGame <= appData.matchGames) {
1472 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1474 ScheduleDelayedEvent(NextMatchGame, 10000);
1479 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1480 DisplayError(buf, 0);
1481 appData.tourneyFile[0] = 0;
1485 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1486 DisplayFatalError(_("Can't have a match with no chess programs"),
1491 matchGame = roundNr = 1;
1492 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1496 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1499 InitBackEnd3 P((void))
1501 GameMode initialMode;
1505 InitChessProgram(&first, startedFromSetupPosition);
1507 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1508 free(programVersion);
1509 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1510 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1511 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1514 if (appData.icsActive) {
1516 /* [DM] Make a console window if needed [HGM] merged ifs */
1522 if (*appData.icsCommPort != NULLCHAR)
1523 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1524 appData.icsCommPort);
1526 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1527 appData.icsHost, appData.icsPort);
1529 if( (len >= MSG_SIZ) && appData.debugMode )
1530 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1532 DisplayFatalError(buf, err, 1);
1537 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1539 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1540 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1541 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1542 } else if (appData.noChessProgram) {
1548 if (*appData.cmailGameName != NULLCHAR) {
1550 OpenLoopback(&cmailPR);
1552 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1556 DisplayMessage("", "");
1557 if (StrCaseCmp(appData.initialMode, "") == 0) {
1558 initialMode = BeginningOfGame;
1559 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1560 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1561 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1562 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1565 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1566 initialMode = TwoMachinesPlay;
1567 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1568 initialMode = AnalyzeFile;
1569 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1570 initialMode = AnalyzeMode;
1571 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1572 initialMode = MachinePlaysWhite;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1574 initialMode = MachinePlaysBlack;
1575 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1576 initialMode = EditGame;
1577 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1578 initialMode = EditPosition;
1579 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1580 initialMode = Training;
1582 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1583 if( (len >= MSG_SIZ) && appData.debugMode )
1584 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1586 DisplayFatalError(buf, 0, 2);
1590 if (appData.matchMode) {
1591 if(appData.tourneyFile[0]) { // start tourney from command line
1593 if(f = fopen(appData.tourneyFile, "r")) {
1594 ParseArgsFromFile(f); // make sure tourney parmeters re known
1596 appData.clockMode = TRUE;
1598 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1601 } else if (*appData.cmailGameName != NULLCHAR) {
1602 /* Set up cmail mode */
1603 ReloadCmailMsgEvent(TRUE);
1605 /* Set up other modes */
1606 if (initialMode == AnalyzeFile) {
1607 if (*appData.loadGameFile == NULLCHAR) {
1608 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1612 if (*appData.loadGameFile != NULLCHAR) {
1613 (void) LoadGameFromFile(appData.loadGameFile,
1614 appData.loadGameIndex,
1615 appData.loadGameFile, TRUE);
1616 } else if (*appData.loadPositionFile != NULLCHAR) {
1617 (void) LoadPositionFromFile(appData.loadPositionFile,
1618 appData.loadPositionIndex,
1619 appData.loadPositionFile);
1620 /* [HGM] try to make self-starting even after FEN load */
1621 /* to allow automatic setup of fairy variants with wtm */
1622 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1623 gameMode = BeginningOfGame;
1624 setboardSpoiledMachineBlack = 1;
1626 /* [HGM] loadPos: make that every new game uses the setup */
1627 /* from file as long as we do not switch variant */
1628 if(!blackPlaysFirst) {
1629 startedFromPositionFile = TRUE;
1630 CopyBoard(filePosition, boards[0]);
1633 if (initialMode == AnalyzeMode) {
1634 if (appData.noChessProgram) {
1635 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1638 if (appData.icsActive) {
1639 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1643 } else if (initialMode == AnalyzeFile) {
1644 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1645 ShowThinkingEvent();
1647 AnalysisPeriodicEvent(1);
1648 } else if (initialMode == MachinePlaysWhite) {
1649 if (appData.noChessProgram) {
1650 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1659 MachineWhiteEvent();
1660 } else if (initialMode == MachinePlaysBlack) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1666 if (appData.icsActive) {
1667 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1671 MachineBlackEvent();
1672 } else if (initialMode == TwoMachinesPlay) {
1673 if (appData.noChessProgram) {
1674 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1678 if (appData.icsActive) {
1679 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1684 } else if (initialMode == EditGame) {
1686 } else if (initialMode == EditPosition) {
1687 EditPositionEvent();
1688 } else if (initialMode == Training) {
1689 if (*appData.loadGameFile == NULLCHAR) {
1690 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1699 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1701 DisplayBook(current+1);
1703 MoveHistorySet( movelist, first, last, current, pvInfoList );
1705 EvalGraphSet( first, last, current, pvInfoList );
1707 MakeEngineOutputTitle();
1711 * Establish will establish a contact to a remote host.port.
1712 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1713 * used to talk to the host.
1714 * Returns 0 if okay, error code if not.
1721 if (*appData.icsCommPort != NULLCHAR) {
1722 /* Talk to the host through a serial comm port */
1723 return OpenCommPort(appData.icsCommPort, &icsPR);
1725 } else if (*appData.gateway != NULLCHAR) {
1726 if (*appData.remoteShell == NULLCHAR) {
1727 /* Use the rcmd protocol to run telnet program on a gateway host */
1728 snprintf(buf, sizeof(buf), "%s %s %s",
1729 appData.telnetProgram, appData.icsHost, appData.icsPort);
1730 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1733 /* Use the rsh program to run telnet program on a gateway host */
1734 if (*appData.remoteUser == NULLCHAR) {
1735 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1736 appData.gateway, appData.telnetProgram,
1737 appData.icsHost, appData.icsPort);
1739 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1740 appData.remoteShell, appData.gateway,
1741 appData.remoteUser, appData.telnetProgram,
1742 appData.icsHost, appData.icsPort);
1744 return StartChildProcess(buf, "", &icsPR);
1747 } else if (appData.useTelnet) {
1748 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1751 /* TCP socket interface differs somewhat between
1752 Unix and NT; handle details in the front end.
1754 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1759 EscapeExpand (char *p, char *q)
1760 { // [HGM] initstring: routine to shape up string arguments
1761 while(*p++ = *q++) if(p[-1] == '\\')
1763 case 'n': p[-1] = '\n'; break;
1764 case 'r': p[-1] = '\r'; break;
1765 case 't': p[-1] = '\t'; break;
1766 case '\\': p[-1] = '\\'; break;
1767 case 0: *p = 0; return;
1768 default: p[-1] = q[-1]; break;
1773 show_bytes (FILE *fp, char *buf, int count)
1776 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1777 fprintf(fp, "\\%03o", *buf & 0xff);
1786 /* Returns an errno value */
1788 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1790 char buf[8192], *p, *q, *buflim;
1791 int left, newcount, outcount;
1793 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1794 *appData.gateway != NULLCHAR) {
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, message, count);
1798 fprintf(debugFP, "\n");
1800 return OutputToProcess(pr, message, count, outError);
1803 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1810 if (appData.debugMode) {
1811 fprintf(debugFP, ">ICS: ");
1812 show_bytes(debugFP, buf, newcount);
1813 fprintf(debugFP, "\n");
1815 outcount = OutputToProcess(pr, buf, newcount, outError);
1816 if (outcount < newcount) return -1; /* to be sure */
1823 } else if (((unsigned char) *p) == TN_IAC) {
1824 *q++ = (char) TN_IAC;
1831 if (appData.debugMode) {
1832 fprintf(debugFP, ">ICS: ");
1833 show_bytes(debugFP, buf, newcount);
1834 fprintf(debugFP, "\n");
1836 outcount = OutputToProcess(pr, buf, newcount, outError);
1837 if (outcount < newcount) return -1; /* to be sure */
1842 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1844 int outError, outCount;
1845 static int gotEof = 0;
1847 /* Pass data read from player on to ICS */
1850 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 } else if (count < 0) {
1855 RemoveInputSource(isr);
1856 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1857 } else if (gotEof++ > 0) {
1858 RemoveInputSource(isr);
1859 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1865 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1866 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1867 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1868 SendToICS("date\n");
1869 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1872 /* added routine for printf style output to ics */
1874 ics_printf (char *format, ...)
1876 char buffer[MSG_SIZ];
1879 va_start(args, format);
1880 vsnprintf(buffer, sizeof(buffer), format, args);
1881 buffer[sizeof(buffer)-1] = '\0';
1889 int count, outCount, outError;
1891 if (icsPR == NoProc) return;
1894 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1895 if (outCount < count) {
1896 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 /* This is used for sending logon scripts to the ICS. Sending
1901 without a delay causes problems when using timestamp on ICC
1902 (at least on my machine). */
1904 SendToICSDelayed (char *s, long msdelay)
1906 int count, outCount, outError;
1908 if (icsPR == NoProc) return;
1911 if (appData.debugMode) {
1912 fprintf(debugFP, ">ICS: ");
1913 show_bytes(debugFP, s, count);
1914 fprintf(debugFP, "\n");
1916 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1918 if (outCount < count) {
1919 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1924 /* Remove all highlighting escape sequences in s
1925 Also deletes any suffix starting with '('
1928 StripHighlightAndTitle (char *s)
1930 static char retbuf[MSG_SIZ];
1933 while (*s != NULLCHAR) {
1934 while (*s == '\033') {
1935 while (*s != NULLCHAR && !isalpha(*s)) s++;
1936 if (*s != NULLCHAR) s++;
1938 while (*s != NULLCHAR && *s != '\033') {
1939 if (*s == '(' || *s == '[') {
1950 /* Remove all highlighting escape sequences in s */
1952 StripHighlight (char *s)
1954 static char retbuf[MSG_SIZ];
1957 while (*s != NULLCHAR) {
1958 while (*s == '\033') {
1959 while (*s != NULLCHAR && !isalpha(*s)) s++;
1960 if (*s != NULLCHAR) s++;
1962 while (*s != NULLCHAR && *s != '\033') {
1970 char *variantNames[] = VARIANT_NAMES;
1972 VariantName (VariantClass v)
1974 return variantNames[v];
1978 /* Identify a variant from the strings the chess servers use or the
1979 PGN Variant tag names we use. */
1981 StringToVariant (char *e)
1985 VariantClass v = VariantNormal;
1986 int i, found = FALSE;
1992 /* [HGM] skip over optional board-size prefixes */
1993 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1994 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1995 while( *e++ != '_');
1998 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2002 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2003 if (StrCaseStr(e, variantNames[i])) {
2004 v = (VariantClass) i;
2011 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2012 || StrCaseStr(e, "wild/fr")
2013 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2014 v = VariantFischeRandom;
2015 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2016 (i = 1, p = StrCaseStr(e, "w"))) {
2018 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2025 case 0: /* FICS only, actually */
2027 /* Castling legal even if K starts on d-file */
2028 v = VariantWildCastle;
2033 /* Castling illegal even if K & R happen to start in
2034 normal positions. */
2035 v = VariantNoCastle;
2048 /* Castling legal iff K & R start in normal positions */
2054 /* Special wilds for position setup; unclear what to do here */
2055 v = VariantLoadable;
2058 /* Bizarre ICC game */
2059 v = VariantTwoKings;
2062 v = VariantKriegspiel;
2068 v = VariantFischeRandom;
2071 v = VariantCrazyhouse;
2074 v = VariantBughouse;
2080 /* Not quite the same as FICS suicide! */
2081 v = VariantGiveaway;
2087 v = VariantShatranj;
2090 /* Temporary names for future ICC types. The name *will* change in
2091 the next xboard/WinBoard release after ICC defines it. */
2129 v = VariantCapablanca;
2132 v = VariantKnightmate;
2138 v = VariantCylinder;
2144 v = VariantCapaRandom;
2147 v = VariantBerolina;
2159 /* Found "wild" or "w" in the string but no number;
2160 must assume it's normal chess. */
2164 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2165 if( (len >= MSG_SIZ) && appData.debugMode )
2166 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2168 DisplayError(buf, 0);
2174 if (appData.debugMode) {
2175 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2176 e, wnum, VariantName(v));
2181 static int leftover_start = 0, leftover_len = 0;
2182 char star_match[STAR_MATCH_N][MSG_SIZ];
2184 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2185 advance *index beyond it, and set leftover_start to the new value of
2186 *index; else return FALSE. If pattern contains the character '*', it
2187 matches any sequence of characters not containing '\r', '\n', or the
2188 character following the '*' (if any), and the matched sequence(s) are
2189 copied into star_match.
2192 looking_at ( char *buf, int *index, char *pattern)
2194 char *bufp = &buf[*index], *patternp = pattern;
2196 char *matchp = star_match[0];
2199 if (*patternp == NULLCHAR) {
2200 *index = leftover_start = bufp - buf;
2204 if (*bufp == NULLCHAR) return FALSE;
2205 if (*patternp == '*') {
2206 if (*bufp == *(patternp + 1)) {
2208 matchp = star_match[++star_count];
2212 } else if (*bufp == '\n' || *bufp == '\r') {
2214 if (*patternp == NULLCHAR)
2219 *matchp++ = *bufp++;
2223 if (*patternp != *bufp) return FALSE;
2230 SendToPlayer (char *data, int length)
2232 int error, outCount;
2233 outCount = OutputToProcess(NoProc, data, length, &error);
2234 if (outCount < length) {
2235 DisplayFatalError(_("Error writing to display"), error, 1);
2240 PackHolding (char packed[], char *holding)
2250 switch (runlength) {
2261 sprintf(q, "%d", runlength);
2273 /* Telnet protocol requests from the front end */
2275 TelnetRequest (unsigned char ddww, unsigned char option)
2277 unsigned char msg[3];
2278 int outCount, outError;
2280 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2282 if (appData.debugMode) {
2283 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2299 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2308 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2311 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2316 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2318 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DO, TN_ECHO);
2332 if (!appData.icsActive) return;
2333 TelnetRequest(TN_DONT, TN_ECHO);
2337 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2339 /* put the holdings sent to us by the server on the board holdings area */
2340 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2344 if(gameInfo.holdingsWidth < 2) return;
2345 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2346 return; // prevent overwriting by pre-board holdings
2348 if( (int)lowestPiece >= BlackPawn ) {
2351 holdingsStartRow = BOARD_HEIGHT-1;
2354 holdingsColumn = BOARD_WIDTH-1;
2355 countsColumn = BOARD_WIDTH-2;
2356 holdingsStartRow = 0;
2360 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2361 board[i][holdingsColumn] = EmptySquare;
2362 board[i][countsColumn] = (ChessSquare) 0;
2364 while( (p=*holdings++) != NULLCHAR ) {
2365 piece = CharToPiece( ToUpper(p) );
2366 if(piece == EmptySquare) continue;
2367 /*j = (int) piece - (int) WhitePawn;*/
2368 j = PieceToNumber(piece);
2369 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2370 if(j < 0) continue; /* should not happen */
2371 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2372 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2373 board[holdingsStartRow+j*direction][countsColumn]++;
2379 VariantSwitch (Board board, VariantClass newVariant)
2381 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2382 static Board oldBoard;
2384 startedFromPositionFile = FALSE;
2385 if(gameInfo.variant == newVariant) return;
2387 /* [HGM] This routine is called each time an assignment is made to
2388 * gameInfo.variant during a game, to make sure the board sizes
2389 * are set to match the new variant. If that means adding or deleting
2390 * holdings, we shift the playing board accordingly
2391 * This kludge is needed because in ICS observe mode, we get boards
2392 * of an ongoing game without knowing the variant, and learn about the
2393 * latter only later. This can be because of the move list we requested,
2394 * in which case the game history is refilled from the beginning anyway,
2395 * but also when receiving holdings of a crazyhouse game. In the latter
2396 * case we want to add those holdings to the already received position.
2400 if (appData.debugMode) {
2401 fprintf(debugFP, "Switch board from %s to %s\n",
2402 VariantName(gameInfo.variant), VariantName(newVariant));
2403 setbuf(debugFP, NULL);
2405 shuffleOpenings = 0; /* [HGM] shuffle */
2406 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2410 newWidth = 9; newHeight = 9;
2411 gameInfo.holdingsSize = 7;
2412 case VariantBughouse:
2413 case VariantCrazyhouse:
2414 newHoldingsWidth = 2; break;
2418 newHoldingsWidth = 2;
2419 gameInfo.holdingsSize = 8;
2422 case VariantCapablanca:
2423 case VariantCapaRandom:
2426 newHoldingsWidth = gameInfo.holdingsSize = 0;
2429 if(newWidth != gameInfo.boardWidth ||
2430 newHeight != gameInfo.boardHeight ||
2431 newHoldingsWidth != gameInfo.holdingsWidth ) {
2433 /* shift position to new playing area, if needed */
2434 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 for(i=0; i<newHeight; i++) {
2440 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2441 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2443 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2444 for(i=0; i<BOARD_HEIGHT; i++)
2445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2446 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2449 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.) tc = 1.;
2498 if(tc > 95.) tc = 95.;
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 AnalysisPeriodicEvent (int force)
4903 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4904 && !force) || !appData.periodicUpdates)
4907 /* Send . command to Crafty to collect stats */
4908 SendToProgram(".\n", &first);
4910 /* Don't send another until we get a response (this makes
4911 us stop sending to old Crafty's which don't understand
4912 the "." command (sending illegal cmds resets node count & time,
4913 which looks bad)) */
4914 programStats.ok_to_send = 0;
4918 ics_update_width (int new_width)
4920 ics_printf("set width %d\n", new_width);
4924 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4928 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4929 // null move in variant where engine does not understand it (for analysis purposes)
4930 SendBoard(cps, moveNum + 1); // send position after move in stead.
4933 if (cps->useUsermove) {
4934 SendToProgram("usermove ", cps);
4938 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4939 int len = space - parseList[moveNum];
4940 memcpy(buf, parseList[moveNum], len);
4942 buf[len] = NULLCHAR;
4944 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4946 SendToProgram(buf, cps);
4948 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4949 AlphaRank(moveList[moveNum], 4);
4950 SendToProgram(moveList[moveNum], cps);
4951 AlphaRank(moveList[moveNum], 4); // and back
4953 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4954 * the engine. It would be nice to have a better way to identify castle
4956 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4957 && cps->useOOCastle) {
4958 int fromX = moveList[moveNum][0] - AAA;
4959 int fromY = moveList[moveNum][1] - ONE;
4960 int toX = moveList[moveNum][2] - AAA;
4961 int toY = moveList[moveNum][3] - ONE;
4962 if((boards[moveNum][fromY][fromX] == WhiteKing
4963 && boards[moveNum][toY][toX] == WhiteRook)
4964 || (boards[moveNum][fromY][fromX] == BlackKing
4965 && boards[moveNum][toY][toX] == BlackRook)) {
4966 if(toX > fromX) SendToProgram("O-O\n", cps);
4967 else SendToProgram("O-O-O\n", cps);
4969 else SendToProgram(moveList[moveNum], cps);
4971 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4972 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4973 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4974 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4975 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4977 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4978 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4979 SendToProgram(buf, cps);
4981 else SendToProgram(moveList[moveNum], cps);
4982 /* End of additions by Tord */
4985 /* [HGM] setting up the opening has brought engine in force mode! */
4986 /* Send 'go' if we are in a mode where machine should play. */
4987 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4988 (gameMode == TwoMachinesPlay ||
4990 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4992 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4993 SendToProgram("go\n", cps);
4994 if (appData.debugMode) {
4995 fprintf(debugFP, "(extra)\n");
4998 setboardSpoiledMachineBlack = 0;
5002 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5004 char user_move[MSG_SIZ];
5007 if(gameInfo.variant == VariantSChess && promoChar) {
5008 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5009 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5010 } else suffix[0] = NULLCHAR;
5014 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5015 (int)moveType, fromX, fromY, toX, toY);
5016 DisplayError(user_move + strlen("say "), 0);
5018 case WhiteKingSideCastle:
5019 case BlackKingSideCastle:
5020 case WhiteQueenSideCastleWild:
5021 case BlackQueenSideCastleWild:
5023 case WhiteHSideCastleFR:
5024 case BlackHSideCastleFR:
5026 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5028 case WhiteQueenSideCastle:
5029 case BlackQueenSideCastle:
5030 case WhiteKingSideCastleWild:
5031 case BlackKingSideCastleWild:
5033 case WhiteASideCastleFR:
5034 case BlackASideCastleFR:
5036 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5038 case WhiteNonPromotion:
5039 case BlackNonPromotion:
5040 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5042 case WhitePromotion:
5043 case BlackPromotion:
5044 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5045 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5046 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5047 PieceToChar(WhiteFerz));
5048 else if(gameInfo.variant == VariantGreat)
5049 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5050 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5051 PieceToChar(WhiteMan));
5053 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5054 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5060 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5061 ToUpper(PieceToChar((ChessSquare) fromX)),
5062 AAA + toX, ONE + toY);
5064 case IllegalMove: /* could be a variant we don't quite understand */
5065 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5067 case WhiteCapturesEnPassant:
5068 case BlackCapturesEnPassant:
5069 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5070 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5073 SendToICS(user_move);
5074 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5075 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5080 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5081 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5082 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5083 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5084 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5087 if(gameMode != IcsExamining) { // is this ever not the case?
5088 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5090 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5091 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5092 } else { // on FICS we must first go to general examine mode
5093 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5095 if(gameInfo.variant != VariantNormal) {
5096 // try figure out wild number, as xboard names are not always valid on ICS
5097 for(i=1; i<=36; i++) {
5098 snprintf(buf, MSG_SIZ, "wild/%d", i);
5099 if(StringToVariant(buf) == gameInfo.variant) break;
5101 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5102 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5103 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5104 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5105 SendToICS(ics_prefix);
5107 if(startedFromSetupPosition || backwardMostMove != 0) {
5108 fen = PositionToFEN(backwardMostMove, NULL);
5109 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5110 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5112 } else { // FICS: everything has to set by separate bsetup commands
5113 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5114 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5116 if(!WhiteOnMove(backwardMostMove)) {
5117 SendToICS("bsetup tomove black\n");
5119 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5120 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5122 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5123 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5125 i = boards[backwardMostMove][EP_STATUS];
5126 if(i >= 0) { // set e.p.
5127 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5133 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5134 SendToICS("bsetup done\n"); // switch to normal examining.
5136 for(i = backwardMostMove; i<last; i++) {
5138 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5141 SendToICS(ics_prefix);
5142 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5146 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5148 if (rf == DROP_RANK) {
5149 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5150 sprintf(move, "%c@%c%c\n",
5151 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5153 if (promoChar == 'x' || promoChar == NULLCHAR) {
5154 sprintf(move, "%c%c%c%c\n",
5155 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5157 sprintf(move, "%c%c%c%c%c\n",
5158 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5164 ProcessICSInitScript (FILE *f)
5168 while (fgets(buf, MSG_SIZ, f)) {
5169 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5176 static int lastX, lastY, selectFlag, dragging;
5181 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5182 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5183 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5184 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5185 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5186 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5189 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5190 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5191 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5192 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5193 if(!step) step = -1;
5194 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5195 appData.testLegality && (promoSweep == king ||
5196 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5198 int victim = boards[currentMove][toY][toX];
5199 boards[currentMove][toY][toX] = promoSweep;
5200 DrawPosition(FALSE, boards[currentMove]);
5201 boards[currentMove][toY][toX] = victim;
5203 ChangeDragPiece(promoSweep);
5207 PromoScroll (int x, int y)
5211 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5212 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5213 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5214 if(!step) return FALSE;
5215 lastX = x; lastY = y;
5216 if((promoSweep < BlackPawn) == flipView) step = -step;
5217 if(step > 0) selectFlag = 1;
5218 if(!selectFlag) Sweep(step);
5223 NextPiece (int step)
5225 ChessSquare piece = boards[currentMove][toY][toX];
5228 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5229 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5230 if(!step) step = -1;
5231 } while(PieceToChar(pieceSweep) == '.');
5232 boards[currentMove][toY][toX] = pieceSweep;
5233 DrawPosition(FALSE, boards[currentMove]);
5234 boards[currentMove][toY][toX] = piece;
5236 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5238 AlphaRank (char *move, int n)
5240 // char *p = move, c; int x, y;
5242 if (appData.debugMode) {
5243 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5247 move[2]>='0' && move[2]<='9' &&
5248 move[3]>='a' && move[3]<='x' ) {
5250 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5251 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5253 if(move[0]>='0' && move[0]<='9' &&
5254 move[1]>='a' && move[1]<='x' &&
5255 move[2]>='0' && move[2]<='9' &&
5256 move[3]>='a' && move[3]<='x' ) {
5257 /* input move, Shogi -> normal */
5258 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5259 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5260 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5261 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5264 move[3]>='0' && move[3]<='9' &&
5265 move[2]>='a' && move[2]<='x' ) {
5267 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5268 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5271 move[0]>='a' && move[0]<='x' &&
5272 move[3]>='0' && move[3]<='9' &&
5273 move[2]>='a' && move[2]<='x' ) {
5274 /* output move, normal -> Shogi */
5275 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5276 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5277 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5278 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5279 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5281 if (appData.debugMode) {
5282 fprintf(debugFP, " out = '%s'\n", move);
5286 char yy_textstr[8000];
5288 /* Parser for moves from gnuchess, ICS, or user typein box */
5290 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5292 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5294 switch (*moveType) {
5295 case WhitePromotion:
5296 case BlackPromotion:
5297 case WhiteNonPromotion:
5298 case BlackNonPromotion:
5300 case WhiteCapturesEnPassant:
5301 case BlackCapturesEnPassant:
5302 case WhiteKingSideCastle:
5303 case WhiteQueenSideCastle:
5304 case BlackKingSideCastle:
5305 case BlackQueenSideCastle:
5306 case WhiteKingSideCastleWild:
5307 case WhiteQueenSideCastleWild:
5308 case BlackKingSideCastleWild:
5309 case BlackQueenSideCastleWild:
5310 /* Code added by Tord: */
5311 case WhiteHSideCastleFR:
5312 case WhiteASideCastleFR:
5313 case BlackHSideCastleFR:
5314 case BlackASideCastleFR:
5315 /* End of code added by Tord */
5316 case IllegalMove: /* bug or odd chess variant */
5317 *fromX = currentMoveString[0] - AAA;
5318 *fromY = currentMoveString[1] - ONE;
5319 *toX = currentMoveString[2] - AAA;
5320 *toY = currentMoveString[3] - ONE;
5321 *promoChar = currentMoveString[4];
5322 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5323 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5324 if (appData.debugMode) {
5325 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5327 *fromX = *fromY = *toX = *toY = 0;
5330 if (appData.testLegality) {
5331 return (*moveType != IllegalMove);
5333 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5334 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5339 *fromX = *moveType == WhiteDrop ?
5340 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5341 (int) CharToPiece(ToLower(currentMoveString[0]));
5343 *toX = currentMoveString[2] - AAA;
5344 *toY = currentMoveString[3] - ONE;
5345 *promoChar = NULLCHAR;
5349 case ImpossibleMove:
5359 if (appData.debugMode) {
5360 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5363 *fromX = *fromY = *toX = *toY = 0;
5364 *promoChar = NULLCHAR;
5369 Boolean pushed = FALSE;
5370 char *lastParseAttempt;
5373 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5374 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5375 int fromX, fromY, toX, toY; char promoChar;
5380 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5381 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5384 endPV = forwardMostMove;
5386 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5387 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5388 lastParseAttempt = pv;
5389 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5390 if(!valid && nr == 0 &&
5391 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5392 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5393 // Hande case where played move is different from leading PV move
5394 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5395 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5396 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5397 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5398 endPV += 2; // if position different, keep this
5399 moveList[endPV-1][0] = fromX + AAA;
5400 moveList[endPV-1][1] = fromY + ONE;
5401 moveList[endPV-1][2] = toX + AAA;
5402 moveList[endPV-1][3] = toY + ONE;
5403 parseList[endPV-1][0] = NULLCHAR;
5404 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5407 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5408 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5409 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5410 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5411 valid++; // allow comments in PV
5415 if(endPV+1 > framePtr) break; // no space, truncate
5418 CopyBoard(boards[endPV], boards[endPV-1]);
5419 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5420 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5421 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5422 CoordsToAlgebraic(boards[endPV - 1],
5423 PosFlags(endPV - 1),
5424 fromY, fromX, toY, toX, promoChar,
5425 parseList[endPV - 1]);
5427 if(atEnd == 2) return; // used hidden, for PV conversion
5428 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5429 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5430 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5431 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5432 DrawPosition(TRUE, boards[currentMove]);
5436 MultiPV (ChessProgramState *cps)
5437 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5439 for(i=0; i<cps->nrOptions; i++)
5440 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5446 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5448 int startPV, multi, lineStart, origIndex = index;
5449 char *p, buf2[MSG_SIZ];
5451 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5452 lastX = x; lastY = y;
5453 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5454 lineStart = startPV = index;
5455 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5456 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5458 do{ while(buf[index] && buf[index] != '\n') index++;
5459 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5461 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5462 int n = first.option[multi].value;
5463 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5464 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5465 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5466 first.option[multi].value = n;
5469 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5470 ExcludeClick(origIndex - lineStart);
5473 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5474 *start = startPV; *end = index-1;
5481 static char buf[10*MSG_SIZ];
5482 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5484 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5485 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5486 for(i = forwardMostMove; i<endPV; i++){
5487 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5488 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5491 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5492 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5498 LoadPV (int x, int y)
5499 { // called on right mouse click to load PV
5500 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5501 lastX = x; lastY = y;
5502 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5509 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5510 if(endPV < 0) return;
5511 if(appData.autoCopyPV) CopyFENToClipboard();
5513 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5514 Boolean saveAnimate = appData.animate;
5516 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5517 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5518 } else storedGames--; // abandon shelved tail of original game
5521 forwardMostMove = currentMove;
5522 currentMove = oldFMM;
5523 appData.animate = FALSE;
5524 ToNrEvent(forwardMostMove);
5525 appData.animate = saveAnimate;
5527 currentMove = forwardMostMove;
5528 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5529 ClearPremoveHighlights();
5530 DrawPosition(TRUE, boards[currentMove]);
5534 MovePV (int x, int y, int h)
5535 { // step through PV based on mouse coordinates (called on mouse move)
5536 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5538 // we must somehow check if right button is still down (might be released off board!)
5539 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5540 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5541 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5543 lastX = x; lastY = y;
5545 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5546 if(endPV < 0) return;
5547 if(y < margin) step = 1; else
5548 if(y > h - margin) step = -1;
5549 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5550 currentMove += step;
5551 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5552 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5553 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5554 DrawPosition(FALSE, boards[currentMove]);
5558 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5559 // All positions will have equal probability, but the current method will not provide a unique
5560 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5566 int piecesLeft[(int)BlackPawn];
5567 int seed, nrOfShuffles;
5570 GetPositionNumber ()
5571 { // sets global variable seed
5574 seed = appData.defaultFrcPosition;
5575 if(seed < 0) { // randomize based on time for negative FRC position numbers
5576 for(i=0; i<50; i++) seed += random();
5577 seed = random() ^ random() >> 8 ^ random() << 8;
5578 if(seed<0) seed = -seed;
5583 put (Board board, int pieceType, int rank, int n, int shade)
5584 // put the piece on the (n-1)-th empty squares of the given shade
5588 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5589 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5590 board[rank][i] = (ChessSquare) pieceType;
5591 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5593 piecesLeft[pieceType]--;
5602 AddOnePiece (Board board, int pieceType, int rank, int shade)
5603 // calculate where the next piece goes, (any empty square), and put it there
5607 i = seed % squaresLeft[shade];
5608 nrOfShuffles *= squaresLeft[shade];
5609 seed /= squaresLeft[shade];
5610 put(board, pieceType, rank, i, shade);
5614 AddTwoPieces (Board board, int pieceType, int rank)
5615 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5617 int i, n=squaresLeft[ANY], j=n-1, k;
5619 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5620 i = seed % k; // pick one
5623 while(i >= j) i -= j--;
5624 j = n - 1 - j; i += j;
5625 put(board, pieceType, rank, j, ANY);
5626 put(board, pieceType, rank, i, ANY);
5630 SetUpShuffle (Board board, int number)
5634 GetPositionNumber(); nrOfShuffles = 1;
5636 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5637 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5638 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5640 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5642 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5643 p = (int) board[0][i];
5644 if(p < (int) BlackPawn) piecesLeft[p] ++;
5645 board[0][i] = EmptySquare;
5648 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5649 // shuffles restricted to allow normal castling put KRR first
5650 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5651 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5652 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5653 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5654 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5655 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5656 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5657 put(board, WhiteRook, 0, 0, ANY);
5658 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5661 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5662 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5663 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5664 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5665 while(piecesLeft[p] >= 2) {
5666 AddOnePiece(board, p, 0, LITE);
5667 AddOnePiece(board, p, 0, DARK);
5669 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5672 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5673 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5674 // but we leave King and Rooks for last, to possibly obey FRC restriction
5675 if(p == (int)WhiteRook) continue;
5676 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5677 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5680 // now everything is placed, except perhaps King (Unicorn) and Rooks
5682 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5683 // Last King gets castling rights
5684 while(piecesLeft[(int)WhiteUnicorn]) {
5685 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5686 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5689 while(piecesLeft[(int)WhiteKing]) {
5690 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5691 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5696 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5697 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5700 // Only Rooks can be left; simply place them all
5701 while(piecesLeft[(int)WhiteRook]) {
5702 i = put(board, WhiteRook, 0, 0, ANY);
5703 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5706 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5708 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5711 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5712 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5715 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5719 SetCharTable (char *table, const char * map)
5720 /* [HGM] moved here from winboard.c because of its general usefulness */
5721 /* Basically a safe strcpy that uses the last character as King */
5723 int result = FALSE; int NrPieces;
5725 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5726 && NrPieces >= 12 && !(NrPieces&1)) {
5727 int i; /* [HGM] Accept even length from 12 to 34 */
5729 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5730 for( i=0; i<NrPieces/2-1; i++ ) {
5732 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5734 table[(int) WhiteKing] = map[NrPieces/2-1];
5735 table[(int) BlackKing] = map[NrPieces-1];
5744 Prelude (Board board)
5745 { // [HGM] superchess: random selection of exo-pieces
5746 int i, j, k; ChessSquare p;
5747 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5749 GetPositionNumber(); // use FRC position number
5751 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5752 SetCharTable(pieceToChar, appData.pieceToCharTable);
5753 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5754 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5757 j = seed%4; seed /= 4;
5758 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5759 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5760 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5761 j = seed%3 + (seed%3 >= j); seed /= 3;
5762 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5763 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5764 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5765 j = seed%3; seed /= 3;
5766 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5767 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5768 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5769 j = seed%2 + (seed%2 >= j); seed /= 2;
5770 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5771 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5772 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5773 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5774 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5775 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5776 put(board, exoPieces[0], 0, 0, ANY);
5777 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5781 InitPosition (int redraw)
5783 ChessSquare (* pieces)[BOARD_FILES];
5784 int i, j, pawnRow, overrule,
5785 oldx = gameInfo.boardWidth,
5786 oldy = gameInfo.boardHeight,
5787 oldh = gameInfo.holdingsWidth;
5790 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5792 /* [AS] Initialize pv info list [HGM] and game status */
5794 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5795 pvInfoList[i].depth = 0;
5796 boards[i][EP_STATUS] = EP_NONE;
5797 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5800 initialRulePlies = 0; /* 50-move counter start */
5802 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5803 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5807 /* [HGM] logic here is completely changed. In stead of full positions */
5808 /* the initialized data only consist of the two backranks. The switch */
5809 /* selects which one we will use, which is than copied to the Board */
5810 /* initialPosition, which for the rest is initialized by Pawns and */
5811 /* empty squares. This initial position is then copied to boards[0], */
5812 /* possibly after shuffling, so that it remains available. */
5814 gameInfo.holdingsWidth = 0; /* default board sizes */
5815 gameInfo.boardWidth = 8;
5816 gameInfo.boardHeight = 8;
5817 gameInfo.holdingsSize = 0;
5818 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5819 for(i=0; i<BOARD_FILES-2; i++)
5820 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5821 initialPosition[EP_STATUS] = EP_NONE;
5822 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5823 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5824 SetCharTable(pieceNickName, appData.pieceNickNames);
5825 else SetCharTable(pieceNickName, "............");
5828 switch (gameInfo.variant) {
5829 case VariantFischeRandom:
5830 shuffleOpenings = TRUE;
5833 case VariantShatranj:
5834 pieces = ShatranjArray;
5835 nrCastlingRights = 0;
5836 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5839 pieces = makrukArray;
5840 nrCastlingRights = 0;
5841 startedFromSetupPosition = TRUE;
5842 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5844 case VariantTwoKings:
5845 pieces = twoKingsArray;
5848 pieces = GrandArray;
5849 nrCastlingRights = 0;
5850 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5851 gameInfo.boardWidth = 10;
5852 gameInfo.boardHeight = 10;
5853 gameInfo.holdingsSize = 7;
5855 case VariantCapaRandom:
5856 shuffleOpenings = TRUE;
5857 case VariantCapablanca:
5858 pieces = CapablancaArray;
5859 gameInfo.boardWidth = 10;
5860 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5863 pieces = GothicArray;
5864 gameInfo.boardWidth = 10;
5865 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5868 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5869 gameInfo.holdingsSize = 7;
5872 pieces = JanusArray;
5873 gameInfo.boardWidth = 10;
5874 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5875 nrCastlingRights = 6;
5876 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5877 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5878 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5879 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5880 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5881 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5884 pieces = FalconArray;
5885 gameInfo.boardWidth = 10;
5886 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5888 case VariantXiangqi:
5889 pieces = XiangqiArray;
5890 gameInfo.boardWidth = 9;
5891 gameInfo.boardHeight = 10;
5892 nrCastlingRights = 0;
5893 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5896 pieces = ShogiArray;
5897 gameInfo.boardWidth = 9;
5898 gameInfo.boardHeight = 9;
5899 gameInfo.holdingsSize = 7;
5900 nrCastlingRights = 0;
5901 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5903 case VariantCourier:
5904 pieces = CourierArray;
5905 gameInfo.boardWidth = 12;
5906 nrCastlingRights = 0;
5907 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5909 case VariantKnightmate:
5910 pieces = KnightmateArray;
5911 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5913 case VariantSpartan:
5914 pieces = SpartanArray;
5915 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5918 pieces = fairyArray;
5919 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5922 pieces = GreatArray;
5923 gameInfo.boardWidth = 10;
5924 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5925 gameInfo.holdingsSize = 8;
5929 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5930 gameInfo.holdingsSize = 8;
5931 startedFromSetupPosition = TRUE;
5933 case VariantCrazyhouse:
5934 case VariantBughouse:
5936 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5937 gameInfo.holdingsSize = 5;
5939 case VariantWildCastle:
5941 /* !!?shuffle with kings guaranteed to be on d or e file */
5942 shuffleOpenings = 1;
5944 case VariantNoCastle:
5946 nrCastlingRights = 0;
5947 /* !!?unconstrained back-rank shuffle */
5948 shuffleOpenings = 1;
5953 if(appData.NrFiles >= 0) {
5954 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5955 gameInfo.boardWidth = appData.NrFiles;
5957 if(appData.NrRanks >= 0) {
5958 gameInfo.boardHeight = appData.NrRanks;
5960 if(appData.holdingsSize >= 0) {
5961 i = appData.holdingsSize;
5962 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5963 gameInfo.holdingsSize = i;
5965 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5966 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5967 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5969 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5970 if(pawnRow < 1) pawnRow = 1;
5971 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5973 /* User pieceToChar list overrules defaults */
5974 if(appData.pieceToCharTable != NULL)
5975 SetCharTable(pieceToChar, appData.pieceToCharTable);
5977 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5979 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5980 s = (ChessSquare) 0; /* account holding counts in guard band */
5981 for( i=0; i<BOARD_HEIGHT; i++ )
5982 initialPosition[i][j] = s;
5984 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5985 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5986 initialPosition[pawnRow][j] = WhitePawn;
5987 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5988 if(gameInfo.variant == VariantXiangqi) {
5990 initialPosition[pawnRow][j] =
5991 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5992 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5993 initialPosition[2][j] = WhiteCannon;
5994 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5998 if(gameInfo.variant == VariantGrand) {
5999 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6000 initialPosition[0][j] = WhiteRook;
6001 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6004 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6006 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6009 initialPosition[1][j] = WhiteBishop;
6010 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6012 initialPosition[1][j] = WhiteRook;
6013 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6016 if( nrCastlingRights == -1) {
6017 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6018 /* This sets default castling rights from none to normal corners */
6019 /* Variants with other castling rights must set them themselves above */
6020 nrCastlingRights = 6;
6022 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6023 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6024 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6025 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6026 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6027 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6030 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6031 if(gameInfo.variant == VariantGreat) { // promotion commoners
6032 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6033 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6034 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6035 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6037 if( gameInfo.variant == VariantSChess ) {
6038 initialPosition[1][0] = BlackMarshall;
6039 initialPosition[2][0] = BlackAngel;
6040 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6041 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6042 initialPosition[1][1] = initialPosition[2][1] =
6043 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6045 if (appData.debugMode) {
6046 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6048 if(shuffleOpenings) {
6049 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6050 startedFromSetupPosition = TRUE;
6052 if(startedFromPositionFile) {
6053 /* [HGM] loadPos: use PositionFile for every new game */
6054 CopyBoard(initialPosition, filePosition);
6055 for(i=0; i<nrCastlingRights; i++)
6056 initialRights[i] = filePosition[CASTLING][i];
6057 startedFromSetupPosition = TRUE;
6060 CopyBoard(boards[0], initialPosition);
6062 if(oldx != gameInfo.boardWidth ||
6063 oldy != gameInfo.boardHeight ||
6064 oldv != gameInfo.variant ||
6065 oldh != gameInfo.holdingsWidth
6067 InitDrawingSizes(-2 ,0);
6069 oldv = gameInfo.variant;
6071 DrawPosition(TRUE, boards[currentMove]);
6075 SendBoard (ChessProgramState *cps, int moveNum)
6077 char message[MSG_SIZ];
6079 if (cps->useSetboard) {
6080 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6081 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6082 SendToProgram(message, cps);
6087 int i, j, left=0, right=BOARD_WIDTH;
6088 /* Kludge to set black to move, avoiding the troublesome and now
6089 * deprecated "black" command.
6091 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6092 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6094 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6096 SendToProgram("edit\n", cps);
6097 SendToProgram("#\n", cps);
6098 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6099 bp = &boards[moveNum][i][left];
6100 for (j = left; j < right; j++, bp++) {
6101 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6102 if ((int) *bp < (int) BlackPawn) {
6103 if(j == BOARD_RGHT+1)
6104 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6105 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6106 if(message[0] == '+' || message[0] == '~') {
6107 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6108 PieceToChar((ChessSquare)(DEMOTED *bp)),
6111 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6112 message[1] = BOARD_RGHT - 1 - j + '1';
6113 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6115 SendToProgram(message, cps);
6120 SendToProgram("c\n", cps);
6121 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6122 bp = &boards[moveNum][i][left];
6123 for (j = left; j < right; j++, bp++) {
6124 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6125 if (((int) *bp != (int) EmptySquare)
6126 && ((int) *bp >= (int) BlackPawn)) {
6127 if(j == BOARD_LEFT-2)
6128 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6129 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6131 if(message[0] == '+' || message[0] == '~') {
6132 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6133 PieceToChar((ChessSquare)(DEMOTED *bp)),
6136 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6137 message[1] = BOARD_RGHT - 1 - j + '1';
6138 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6140 SendToProgram(message, cps);
6145 SendToProgram(".\n", cps);
6147 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6150 char exclusionHeader[MSG_SIZ];
6151 int exCnt, excludePtr;
6152 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6153 static Exclusion excluTab[200];
6154 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6160 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6161 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6167 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6168 excludePtr = 24; exCnt = 0;
6173 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6174 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6175 char buf[2*MOVE_LEN], *p;
6176 Exclusion *e = excluTab;
6178 for(i=0; i<exCnt; i++)
6179 if(e[i].ff == fromX && e[i].fr == fromY &&
6180 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6181 if(i == exCnt) { // was not in exclude list; add it
6182 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6183 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6184 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6187 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6188 excludePtr++; e[i].mark = excludePtr++;
6189 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6192 exclusionHeader[e[i].mark] = state;
6196 ExcludeOneMove (int fromY, int fromX, int toY, int toX, signed char promoChar, char state)
6197 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6201 if(promoChar == -1) { // kludge to indicate best move
6202 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6203 return 1; // if unparsable, abort
6205 // update exclusion map (resolving toggle by consulting existing state)
6206 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6208 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6209 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6210 excludeMap[k] |= 1<<j;
6211 else excludeMap[k] &= ~(1<<j);
6213 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6215 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6216 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6217 SendToProgram(buf, &first);
6218 return (state == '+');
6222 ExcludeClick (int index)
6225 Exclusion *e = excluTab;
6226 if(index < 25) { // none, best or tail clicked
6227 if(index < 13) { // none: include all
6228 WriteMap(0); // clear map
6229 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6230 SendToProgram("include all\n", &first); // and inform engine
6231 } else if(index > 18) { // tail
6232 if(exclusionHeader[19] == '-') { // tail was excluded
6233 SendToProgram("include all\n", &first);
6234 WriteMap(0); // clear map completely
6235 // now re-exclude selected moves
6236 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6237 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6238 } else { // tail was included or in mixed state
6239 SendToProgram("exclude all\n", &first);
6240 WriteMap(0xFF); // fill map completely
6241 // now re-include selected moves
6242 j = 0; // count them
6243 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6244 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6245 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6248 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6251 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6252 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6253 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6260 DefaultPromoChoice (int white)
6263 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6264 result = WhiteFerz; // no choice
6265 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6266 result= WhiteKing; // in Suicide Q is the last thing we want
6267 else if(gameInfo.variant == VariantSpartan)
6268 result = white ? WhiteQueen : WhiteAngel;
6269 else result = WhiteQueen;
6270 if(!white) result = WHITE_TO_BLACK result;
6274 static int autoQueen; // [HGM] oneclick
6277 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6279 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6280 /* [HGM] add Shogi promotions */
6281 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6286 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6287 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6289 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6290 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6293 piece = boards[currentMove][fromY][fromX];
6294 if(gameInfo.variant == VariantShogi) {
6295 promotionZoneSize = BOARD_HEIGHT/3;
6296 highestPromotingPiece = (int)WhiteFerz;
6297 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6298 promotionZoneSize = 3;
6301 // Treat Lance as Pawn when it is not representing Amazon
6302 if(gameInfo.variant != VariantSuper) {
6303 if(piece == WhiteLance) piece = WhitePawn; else
6304 if(piece == BlackLance) piece = BlackPawn;
6307 // next weed out all moves that do not touch the promotion zone at all
6308 if((int)piece >= BlackPawn) {
6309 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6311 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6313 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6314 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6317 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6319 // weed out mandatory Shogi promotions
6320 if(gameInfo.variant == VariantShogi) {
6321 if(piece >= BlackPawn) {
6322 if(toY == 0 && piece == BlackPawn ||
6323 toY == 0 && piece == BlackQueen ||
6324 toY <= 1 && piece == BlackKnight) {
6329 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6330 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6331 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6338 // weed out obviously illegal Pawn moves
6339 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6340 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6341 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6342 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6343 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6344 // note we are not allowed to test for valid (non-)capture, due to premove
6347 // we either have a choice what to promote to, or (in Shogi) whether to promote
6348 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6349 *promoChoice = PieceToChar(BlackFerz); // no choice
6352 // no sense asking what we must promote to if it is going to explode...
6353 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6354 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6357 // give caller the default choice even if we will not make it
6358 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6359 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6360 if( sweepSelect && gameInfo.variant != VariantGreat
6361 && gameInfo.variant != VariantGrand
6362 && gameInfo.variant != VariantSuper) return FALSE;
6363 if(autoQueen) return FALSE; // predetermined
6365 // suppress promotion popup on illegal moves that are not premoves
6366 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6367 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6368 if(appData.testLegality && !premove) {
6369 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6370 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6371 if(moveType != WhitePromotion && moveType != BlackPromotion)
6379 InPalace (int row, int column)
6380 { /* [HGM] for Xiangqi */
6381 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6382 column < (BOARD_WIDTH + 4)/2 &&
6383 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6388 PieceForSquare (int x, int y)
6390 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6393 return boards[currentMove][y][x];
6397 OKToStartUserMove (int x, int y)
6399 ChessSquare from_piece;
6402 if (matchMode) return FALSE;
6403 if (gameMode == EditPosition) return TRUE;
6405 if (x >= 0 && y >= 0)
6406 from_piece = boards[currentMove][y][x];
6408 from_piece = EmptySquare;
6410 if (from_piece == EmptySquare) return FALSE;
6412 white_piece = (int)from_piece >= (int)WhitePawn &&
6413 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6417 case TwoMachinesPlay:
6425 case MachinePlaysWhite:
6426 case IcsPlayingBlack:
6427 if (appData.zippyPlay) return FALSE;
6429 DisplayMoveError(_("You are playing Black"));
6434 case MachinePlaysBlack:
6435 case IcsPlayingWhite:
6436 if (appData.zippyPlay) return FALSE;
6438 DisplayMoveError(_("You are playing White"));
6443 case PlayFromGameFile:
6444 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6446 if (!white_piece && WhiteOnMove(currentMove)) {
6447 DisplayMoveError(_("It is White's turn"));
6450 if (white_piece && !WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is Black's turn"));
6454 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6455 /* Editing correspondence game history */
6456 /* Could disallow this or prompt for confirmation */
6461 case BeginningOfGame:
6462 if (appData.icsActive) return FALSE;
6463 if (!appData.noChessProgram) {
6465 DisplayMoveError(_("You are playing White"));
6472 if (!white_piece && WhiteOnMove(currentMove)) {
6473 DisplayMoveError(_("It is White's turn"));
6476 if (white_piece && !WhiteOnMove(currentMove)) {
6477 DisplayMoveError(_("It is Black's turn"));
6486 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6487 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6488 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6489 && gameMode != AnalyzeFile && gameMode != Training) {
6490 DisplayMoveError(_("Displayed position is not current"));
6497 OnlyMove (int *x, int *y, Boolean captures)
6499 DisambiguateClosure cl;
6500 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6502 case MachinePlaysBlack:
6503 case IcsPlayingWhite:
6504 case BeginningOfGame:
6505 if(!WhiteOnMove(currentMove)) return FALSE;
6507 case MachinePlaysWhite:
6508 case IcsPlayingBlack:
6509 if(WhiteOnMove(currentMove)) return FALSE;
6516 cl.pieceIn = EmptySquare;
6521 cl.promoCharIn = NULLCHAR;
6522 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6523 if( cl.kind == NormalMove ||
6524 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6525 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6526 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6533 if(cl.kind != ImpossibleMove) return FALSE;
6534 cl.pieceIn = EmptySquare;
6539 cl.promoCharIn = NULLCHAR;
6540 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6541 if( cl.kind == NormalMove ||
6542 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6543 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6544 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6549 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6555 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6556 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6557 int lastLoadGameUseList = FALSE;
6558 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6559 ChessMove lastLoadGameStart = EndOfFile;
6563 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6566 ChessSquare pdown, pup;
6567 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6570 /* Check if the user is playing in turn. This is complicated because we
6571 let the user "pick up" a piece before it is his turn. So the piece he
6572 tried to pick up may have been captured by the time he puts it down!
6573 Therefore we use the color the user is supposed to be playing in this
6574 test, not the color of the piece that is currently on the starting
6575 square---except in EditGame mode, where the user is playing both
6576 sides; fortunately there the capture race can't happen. (It can
6577 now happen in IcsExamining mode, but that's just too bad. The user
6578 will get a somewhat confusing message in that case.)
6583 case TwoMachinesPlay:
6587 /* We switched into a game mode where moves are not accepted,
6588 perhaps while the mouse button was down. */
6591 case MachinePlaysWhite:
6592 /* User is moving for Black */
6593 if (WhiteOnMove(currentMove)) {
6594 DisplayMoveError(_("It is White's turn"));
6599 case MachinePlaysBlack:
6600 /* User is moving for White */
6601 if (!WhiteOnMove(currentMove)) {
6602 DisplayMoveError(_("It is Black's turn"));
6607 case PlayFromGameFile:
6608 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6611 case BeginningOfGame:
6614 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6615 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6616 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6617 /* User is moving for Black */
6618 if (WhiteOnMove(currentMove)) {
6619 DisplayMoveError(_("It is White's turn"));
6623 /* User is moving for White */
6624 if (!WhiteOnMove(currentMove)) {
6625 DisplayMoveError(_("It is Black's turn"));
6631 case IcsPlayingBlack:
6632 /* User is moving for Black */
6633 if (WhiteOnMove(currentMove)) {
6634 if (!appData.premove) {
6635 DisplayMoveError(_("It is White's turn"));
6636 } else if (toX >= 0 && toY >= 0) {
6639 premoveFromX = fromX;
6640 premoveFromY = fromY;
6641 premovePromoChar = promoChar;
6643 if (appData.debugMode)
6644 fprintf(debugFP, "Got premove: fromX %d,"
6645 "fromY %d, toX %d, toY %d\n",
6646 fromX, fromY, toX, toY);
6652 case IcsPlayingWhite:
6653 /* User is moving for White */
6654 if (!WhiteOnMove(currentMove)) {
6655 if (!appData.premove) {
6656 DisplayMoveError(_("It is Black's turn"));
6657 } else if (toX >= 0 && toY >= 0) {
6660 premoveFromX = fromX;
6661 premoveFromY = fromY;
6662 premovePromoChar = promoChar;
6664 if (appData.debugMode)
6665 fprintf(debugFP, "Got premove: fromX %d,"
6666 "fromY %d, toX %d, toY %d\n",
6667 fromX, fromY, toX, toY);
6677 /* EditPosition, empty square, or different color piece;
6678 click-click move is possible */
6679 if (toX == -2 || toY == -2) {
6680 boards[0][fromY][fromX] = EmptySquare;
6681 DrawPosition(FALSE, boards[currentMove]);
6683 } else if (toX >= 0 && toY >= 0) {
6684 boards[0][toY][toX] = boards[0][fromY][fromX];
6685 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6686 if(boards[0][fromY][0] != EmptySquare) {
6687 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6688 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6691 if(fromX == BOARD_RGHT+1) {
6692 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6693 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6694 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6697 boards[0][fromY][fromX] = gatingPiece;
6698 DrawPosition(FALSE, boards[currentMove]);
6704 if(toX < 0 || toY < 0) return;
6705 pdown = boards[currentMove][fromY][fromX];
6706 pup = boards[currentMove][toY][toX];
6708 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6709 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6710 if( pup != EmptySquare ) return;
6711 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6712 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6713 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6714 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6715 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6716 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6717 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6721 /* [HGM] always test for legality, to get promotion info */
6722 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6723 fromY, fromX, toY, toX, promoChar);
6725 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6727 /* [HGM] but possibly ignore an IllegalMove result */
6728 if (appData.testLegality) {
6729 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6730 DisplayMoveError(_("Illegal move"));
6735 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6736 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6737 ClearPremoveHighlights(); // was included
6738 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6742 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6745 /* Common tail of UserMoveEvent and DropMenuEvent */
6747 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6751 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6752 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6753 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6754 if(WhiteOnMove(currentMove)) {
6755 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6757 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6761 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6762 move type in caller when we know the move is a legal promotion */
6763 if(moveType == NormalMove && promoChar)
6764 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6766 /* [HGM] <popupFix> The following if has been moved here from
6767 UserMoveEvent(). Because it seemed to belong here (why not allow
6768 piece drops in training games?), and because it can only be
6769 performed after it is known to what we promote. */
6770 if (gameMode == Training) {
6771 /* compare the move played on the board to the next move in the
6772 * game. If they match, display the move and the opponent's response.
6773 * If they don't match, display an error message.
6777 CopyBoard(testBoard, boards[currentMove]);
6778 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6780 if (CompareBoards(testBoard, boards[currentMove+1])) {
6781 ForwardInner(currentMove+1);
6783 /* Autoplay the opponent's response.
6784 * if appData.animate was TRUE when Training mode was entered,
6785 * the response will be animated.
6787 saveAnimate = appData.animate;
6788 appData.animate = animateTraining;
6789 ForwardInner(currentMove+1);
6790 appData.animate = saveAnimate;
6792 /* check for the end of the game */
6793 if (currentMove >= forwardMostMove) {
6794 gameMode = PlayFromGameFile;
6796 SetTrainingModeOff();
6797 DisplayInformation(_("End of game"));
6800 DisplayError(_("Incorrect move"), 0);
6805 /* Ok, now we know that the move is good, so we can kill
6806 the previous line in Analysis Mode */
6807 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6808 && currentMove < forwardMostMove) {
6809 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6810 else forwardMostMove = currentMove;
6815 /* If we need the chess program but it's dead, restart it */
6816 ResurrectChessProgram();
6818 /* A user move restarts a paused game*/
6822 thinkOutput[0] = NULLCHAR;
6824 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6826 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6827 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6831 if (gameMode == BeginningOfGame) {
6832 if (appData.noChessProgram) {
6833 gameMode = EditGame;
6837 gameMode = MachinePlaysBlack;
6840 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6842 if (first.sendName) {
6843 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6844 SendToProgram(buf, &first);
6851 /* Relay move to ICS or chess engine */
6852 if (appData.icsActive) {
6853 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6854 gameMode == IcsExamining) {
6855 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6856 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6858 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6860 // also send plain move, in case ICS does not understand atomic claims
6861 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6865 if (first.sendTime && (gameMode == BeginningOfGame ||
6866 gameMode == MachinePlaysWhite ||
6867 gameMode == MachinePlaysBlack)) {
6868 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6870 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6871 // [HGM] book: if program might be playing, let it use book
6872 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6873 first.maybeThinking = TRUE;
6874 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6875 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6876 SendBoard(&first, currentMove+1);
6877 } else SendMoveToProgram(forwardMostMove-1, &first);
6878 if (currentMove == cmailOldMove + 1) {
6879 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6883 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6887 if(appData.testLegality)
6888 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6894 if (WhiteOnMove(currentMove)) {
6895 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6897 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6901 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6906 case MachinePlaysBlack:
6907 case MachinePlaysWhite:
6908 /* disable certain menu options while machine is thinking */
6909 SetMachineThinkingEnables();
6916 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6917 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6919 if(bookHit) { // [HGM] book: simulate book reply
6920 static char bookMove[MSG_SIZ]; // a bit generous?
6922 programStats.nodes = programStats.depth = programStats.time =
6923 programStats.score = programStats.got_only_move = 0;
6924 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6926 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6927 strcat(bookMove, bookHit);
6928 HandleMachineMove(bookMove, &first);
6934 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6936 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6937 Markers *m = (Markers *) closure;
6938 if(rf == fromY && ff == fromX)
6939 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6940 || kind == WhiteCapturesEnPassant
6941 || kind == BlackCapturesEnPassant);
6942 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6946 MarkTargetSquares (int clear)
6949 if(clear) // no reason to ever suppress clearing
6950 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6951 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6952 !appData.testLegality || gameMode == EditPosition) return;
6955 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6956 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6957 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6959 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6962 DrawPosition(FALSE, NULL);
6966 Explode (Board board, int fromX, int fromY, int toX, int toY)
6968 if(gameInfo.variant == VariantAtomic &&
6969 (board[toY][toX] != EmptySquare || // capture?
6970 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6971 board[fromY][fromX] == BlackPawn )
6973 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6979 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6982 CanPromote (ChessSquare piece, int y)
6984 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6985 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6986 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6987 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6988 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6989 gameInfo.variant == VariantMakruk) return FALSE;
6990 return (piece == BlackPawn && y == 1 ||
6991 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6992 piece == BlackLance && y == 1 ||
6993 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6997 LeftClick (ClickType clickType, int xPix, int yPix)
7000 Boolean saveAnimate;
7001 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7002 char promoChoice = NULLCHAR;
7004 static TimeMark lastClickTime, prevClickTime;
7006 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7008 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7010 if (clickType == Press) ErrorPopDown();
7012 x = EventToSquare(xPix, BOARD_WIDTH);
7013 y = EventToSquare(yPix, BOARD_HEIGHT);
7014 if (!flipView && y >= 0) {
7015 y = BOARD_HEIGHT - 1 - y;
7017 if (flipView && x >= 0) {
7018 x = BOARD_WIDTH - 1 - x;
7021 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7022 defaultPromoChoice = promoSweep;
7023 promoSweep = EmptySquare; // terminate sweep
7024 promoDefaultAltered = TRUE;
7025 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7028 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7029 if(clickType == Release) return; // ignore upclick of click-click destination
7030 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7031 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7032 if(gameInfo.holdingsWidth &&
7033 (WhiteOnMove(currentMove)
7034 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7035 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7036 // click in right holdings, for determining promotion piece
7037 ChessSquare p = boards[currentMove][y][x];
7038 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7039 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7040 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7041 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7046 DrawPosition(FALSE, boards[currentMove]);
7050 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7051 if(clickType == Press
7052 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7053 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7054 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7057 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7058 // could be static click on premove from-square: abort premove
7060 ClearPremoveHighlights();
7063 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7064 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7066 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7067 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7068 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7069 defaultPromoChoice = DefaultPromoChoice(side);
7072 autoQueen = appData.alwaysPromoteToQueen;
7076 gatingPiece = EmptySquare;
7077 if (clickType != Press) {
7078 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7079 DragPieceEnd(xPix, yPix); dragging = 0;
7080 DrawPosition(FALSE, NULL);
7084 doubleClick = FALSE;
7085 fromX = x; fromY = y; toX = toY = -1;
7086 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7087 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7088 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7090 if (OKToStartUserMove(fromX, fromY)) {
7092 MarkTargetSquares(0);
7093 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7094 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7095 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7096 promoSweep = defaultPromoChoice;
7097 selectFlag = 0; lastX = xPix; lastY = yPix;
7098 Sweep(0); // Pawn that is going to promote: preview promotion piece
7099 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7101 if (appData.highlightDragging) {
7102 SetHighlights(fromX, fromY, -1, -1);
7106 } else fromX = fromY = -1;
7112 if (clickType == Press && gameMode != EditPosition) {
7117 // ignore off-board to clicks
7118 if(y < 0 || x < 0) return;
7120 /* Check if clicking again on the same color piece */
7121 fromP = boards[currentMove][fromY][fromX];
7122 toP = boards[currentMove][y][x];
7123 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7124 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7125 WhitePawn <= toP && toP <= WhiteKing &&
7126 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7127 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7128 (BlackPawn <= fromP && fromP <= BlackKing &&
7129 BlackPawn <= toP && toP <= BlackKing &&
7130 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7131 !(fromP == BlackKing && toP == BlackRook && frc))) {
7132 /* Clicked again on same color piece -- changed his mind */
7133 second = (x == fromX && y == fromY);
7134 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7135 second = FALSE; // first double-click rather than scond click
7136 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7138 promoDefaultAltered = FALSE;
7139 MarkTargetSquares(1);
7140 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7141 if (appData.highlightDragging) {
7142 SetHighlights(x, y, -1, -1);
7146 if (OKToStartUserMove(x, y)) {
7147 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7148 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7149 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7150 gatingPiece = boards[currentMove][fromY][fromX];
7151 else gatingPiece = doubleClick ? fromP : EmptySquare;
7153 fromY = y; dragging = 1;
7154 MarkTargetSquares(0);
7155 DragPieceBegin(xPix, yPix, FALSE);
7156 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7157 promoSweep = defaultPromoChoice;
7158 selectFlag = 0; lastX = xPix; lastY = yPix;
7159 Sweep(0); // Pawn that is going to promote: preview promotion piece
7163 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7166 // ignore clicks on holdings
7167 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7170 if (clickType == Release && x == fromX && y == fromY) {
7171 DragPieceEnd(xPix, yPix); dragging = 0;
7173 // a deferred attempt to click-click move an empty square on top of a piece
7174 boards[currentMove][y][x] = EmptySquare;
7176 DrawPosition(FALSE, boards[currentMove]);
7177 fromX = fromY = -1; clearFlag = 0;
7180 if (appData.animateDragging) {
7181 /* Undo animation damage if any */
7182 DrawPosition(FALSE, NULL);
7184 if (second || sweepSelecting) {
7185 /* Second up/down in same square; just abort move */
7186 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7187 second = sweepSelecting = 0;
7189 gatingPiece = EmptySquare;
7192 ClearPremoveHighlights();
7194 /* First upclick in same square; start click-click mode */
7195 SetHighlights(x, y, -1, -1);
7202 /* we now have a different from- and (possibly off-board) to-square */
7203 /* Completed move */
7204 if(!sweepSelecting) {
7207 saveAnimate = appData.animate;
7208 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7210 if (clickType == Press) {
7211 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7212 // must be Edit Position mode with empty-square selected
7213 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7214 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7217 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7218 if(appData.sweepSelect) {
7219 ChessSquare piece = boards[currentMove][fromY][fromX];
7220 promoSweep = defaultPromoChoice;
7221 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7222 selectFlag = 0; lastX = xPix; lastY = yPix;
7223 Sweep(0); // Pawn that is going to promote: preview promotion piece
7225 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7226 MarkTargetSquares(1);
7228 return; // promo popup appears on up-click
7230 /* Finish clickclick move */
7231 if (appData.animate || appData.highlightLastMove) {
7232 SetHighlights(fromX, fromY, toX, toY);
7237 /* Finish drag move */
7238 if (appData.highlightLastMove) {
7239 SetHighlights(fromX, fromY, toX, toY);
7243 DragPieceEnd(xPix, yPix); dragging = 0;
7244 /* Don't animate move and drag both */
7245 appData.animate = FALSE;
7247 MarkTargetSquares(1);
7249 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7250 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7251 ChessSquare piece = boards[currentMove][fromY][fromX];
7252 if(gameMode == EditPosition && piece != EmptySquare &&
7253 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7256 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7257 n = PieceToNumber(piece - (int)BlackPawn);
7258 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7259 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7260 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7262 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7263 n = PieceToNumber(piece);
7264 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7265 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7266 boards[currentMove][n][BOARD_WIDTH-2]++;
7268 boards[currentMove][fromY][fromX] = EmptySquare;
7272 DrawPosition(TRUE, boards[currentMove]);
7276 // off-board moves should not be highlighted
7277 if(x < 0 || y < 0) ClearHighlights();
7279 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7281 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7282 SetHighlights(fromX, fromY, toX, toY);
7283 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7284 // [HGM] super: promotion to captured piece selected from holdings
7285 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7286 promotionChoice = TRUE;
7287 // kludge follows to temporarily execute move on display, without promoting yet
7288 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7289 boards[currentMove][toY][toX] = p;
7290 DrawPosition(FALSE, boards[currentMove]);
7291 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7292 boards[currentMove][toY][toX] = q;
7293 DisplayMessage("Click in holdings to choose piece", "");
7298 int oldMove = currentMove;
7299 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7300 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7301 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7302 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7303 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7304 DrawPosition(TRUE, boards[currentMove]);
7307 appData.animate = saveAnimate;
7308 if (appData.animate || appData.animateDragging) {
7309 /* Undo animation damage if needed */
7310 DrawPosition(FALSE, NULL);
7315 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7316 { // front-end-free part taken out of PieceMenuPopup
7317 int whichMenu; int xSqr, ySqr;
7319 if(seekGraphUp) { // [HGM] seekgraph
7320 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7321 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7325 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7326 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7327 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7328 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7329 if(action == Press) {
7330 originalFlip = flipView;
7331 flipView = !flipView; // temporarily flip board to see game from partners perspective
7332 DrawPosition(TRUE, partnerBoard);
7333 DisplayMessage(partnerStatus, "");
7335 } else if(action == Release) {
7336 flipView = originalFlip;
7337 DrawPosition(TRUE, boards[currentMove]);
7343 xSqr = EventToSquare(x, BOARD_WIDTH);
7344 ySqr = EventToSquare(y, BOARD_HEIGHT);
7345 if (action == Release) {
7346 if(pieceSweep != EmptySquare) {
7347 EditPositionMenuEvent(pieceSweep, toX, toY);
7348 pieceSweep = EmptySquare;
7349 } else UnLoadPV(); // [HGM] pv
7351 if (action != Press) return -2; // return code to be ignored
7354 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7356 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7357 if (xSqr < 0 || ySqr < 0) return -1;
7358 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7359 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7360 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7361 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7365 if(!appData.icsEngineAnalyze) return -1;
7366 case IcsPlayingWhite:
7367 case IcsPlayingBlack:
7368 if(!appData.zippyPlay) goto noZip;
7371 case MachinePlaysWhite:
7372 case MachinePlaysBlack:
7373 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7374 if (!appData.dropMenu) {
7376 return 2; // flag front-end to grab mouse events
7378 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7379 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7382 if (xSqr < 0 || ySqr < 0) return -1;
7383 if (!appData.dropMenu || appData.testLegality &&
7384 gameInfo.variant != VariantBughouse &&
7385 gameInfo.variant != VariantCrazyhouse) return -1;
7386 whichMenu = 1; // drop menu
7392 if (((*fromX = xSqr) < 0) ||
7393 ((*fromY = ySqr) < 0)) {
7394 *fromX = *fromY = -1;
7398 *fromX = BOARD_WIDTH - 1 - *fromX;
7400 *fromY = BOARD_HEIGHT - 1 - *fromY;
7406 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7408 // char * hint = lastHint;
7409 FrontEndProgramStats stats;
7411 stats.which = cps == &first ? 0 : 1;
7412 stats.depth = cpstats->depth;
7413 stats.nodes = cpstats->nodes;
7414 stats.score = cpstats->score;
7415 stats.time = cpstats->time;
7416 stats.pv = cpstats->movelist;
7417 stats.hint = lastHint;
7418 stats.an_move_index = 0;
7419 stats.an_move_count = 0;
7421 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7422 stats.hint = cpstats->move_name;
7423 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7424 stats.an_move_count = cpstats->nr_moves;
7427 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
7429 SetProgramStats( &stats );
7433 ClearEngineOutputPane (int which)
7435 static FrontEndProgramStats dummyStats;
7436 dummyStats.which = which;
7437 dummyStats.pv = "#";
7438 SetProgramStats( &dummyStats );
7441 #define MAXPLAYERS 500
7444 TourneyStandings (int display)
7446 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7447 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7448 char result, *p, *names[MAXPLAYERS];
7450 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7451 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7452 names[0] = p = strdup(appData.participants);
7453 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7455 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7457 while(result = appData.results[nr]) {
7458 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7459 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7460 wScore = bScore = 0;
7462 case '+': wScore = 2; break;
7463 case '-': bScore = 2; break;
7464 case '=': wScore = bScore = 1; break;
7466 case '*': return strdup("busy"); // tourney not finished
7474 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7475 for(w=0; w<nPlayers; w++) {
7477 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7478 ranking[w] = b; points[w] = bScore; score[b] = -2;
7480 p = malloc(nPlayers*34+1);
7481 for(w=0; w<nPlayers && w<display; w++)
7482 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7488 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7489 { // count all piece types
7491 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7492 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7493 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7496 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7497 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7498 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7499 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7500 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7501 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7506 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7508 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7509 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7511 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7512 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7513 if(myPawns == 2 && nMine == 3) // KPP
7514 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7515 if(myPawns == 1 && nMine == 2) // KP
7516 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7517 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7518 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7519 if(myPawns) return FALSE;
7520 if(pCnt[WhiteRook+side])
7521 return pCnt[BlackRook-side] ||
7522 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7523 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7524 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7525 if(pCnt[WhiteCannon+side]) {
7526 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7527 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7529 if(pCnt[WhiteKnight+side])
7530 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7535 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7537 VariantClass v = gameInfo.variant;
7539 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7540 if(v == VariantShatranj) return TRUE; // always winnable through baring
7541 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7542 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7544 if(v == VariantXiangqi) {
7545 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7547 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7548 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7549 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7550 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7551 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7552 if(stale) // we have at least one last-rank P plus perhaps C
7553 return majors // KPKX
7554 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7556 return pCnt[WhiteFerz+side] // KCAK
7557 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7558 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7559 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7561 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7562 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7564 if(nMine == 1) return FALSE; // bare King
7565 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
7566 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7567 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7568 // by now we have King + 1 piece (or multiple Bishops on the same color)
7569 if(pCnt[WhiteKnight+side])
7570 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7571 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7572 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7574 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7575 if(pCnt[WhiteAlfil+side])
7576 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7577 if(pCnt[WhiteWazir+side])
7578 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7585 CompareWithRights (Board b1, Board b2)
7588 if(!CompareBoards(b1, b2)) return FALSE;
7589 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7590 /* compare castling rights */
7591 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7592 rights++; /* King lost rights, while rook still had them */
7593 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7594 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7595 rights++; /* but at least one rook lost them */
7597 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7599 if( b1[CASTLING][5] != NoRights ) {
7600 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7607 Adjudicate (ChessProgramState *cps)
7608 { // [HGM] some adjudications useful with buggy engines
7609 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7610 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7611 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7612 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7613 int k, count = 0; static int bare = 1;
7614 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7615 Boolean canAdjudicate = !appData.icsActive;
7617 // most tests only when we understand the game, i.e. legality-checking on
7618 if( appData.testLegality )
7619 { /* [HGM] Some more adjudications for obstinate engines */
7620 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7621 static int moveCount = 6;
7623 char *reason = NULL;
7625 /* Count what is on board. */
7626 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7628 /* Some material-based adjudications that have to be made before stalemate test */
7629 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7630 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7631 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7632 if(canAdjudicate && appData.checkMates) {
7634 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7635 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7636 "Xboard adjudication: King destroyed", GE_XBOARD );
7641 /* Bare King in Shatranj (loses) or Losers (wins) */
7642 if( nrW == 1 || nrB == 1) {
7643 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7644 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7645 if(canAdjudicate && appData.checkMates) {
7647 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7648 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7649 "Xboard adjudication: Bare king", GE_XBOARD );
7653 if( gameInfo.variant == VariantShatranj && --bare < 0)
7655 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7656 if(canAdjudicate && appData.checkMates) {
7657 /* but only adjudicate if adjudication enabled */
7659 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7660 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7661 "Xboard adjudication: Bare king", GE_XBOARD );
7668 // don't wait for engine to announce game end if we can judge ourselves
7669 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7671 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7672 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7673 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7674 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7677 reason = "Xboard adjudication: 3rd check";
7678 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7688 reason = "Xboard adjudication: Stalemate";
7689 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7690 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7691 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7692 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7693 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7694 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7695 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7696 EP_CHECKMATE : EP_WINS);
7697 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7698 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7702 reason = "Xboard adjudication: Checkmate";
7703 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7707 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7709 result = GameIsDrawn; break;
7711 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7713 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7717 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7719 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7720 GameEnds( result, reason, GE_XBOARD );
7724 /* Next absolutely insufficient mating material. */
7725 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7726 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7727 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7729 /* always flag draws, for judging claims */
7730 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7732 if(canAdjudicate && appData.materialDraws) {
7733 /* but only adjudicate them if adjudication enabled */
7734 if(engineOpponent) {
7735 SendToProgram("force\n", engineOpponent); // suppress reply
7736 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7738 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7743 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7744 if(gameInfo.variant == VariantXiangqi ?
7745 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7747 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7748 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7749 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7750 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7752 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7753 { /* if the first 3 moves do not show a tactical win, declare draw */
7754 if(engineOpponent) {
7755 SendToProgram("force\n", engineOpponent); // suppress reply
7756 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7758 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7761 } else moveCount = 6;
7764 // Repetition draws and 50-move rule can be applied independently of legality testing
7766 /* Check for rep-draws */
7768 for(k = forwardMostMove-2;
7769 k>=backwardMostMove && k>=forwardMostMove-100 &&
7770 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7771 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7774 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7775 /* compare castling rights */
7776 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7777 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7778 rights++; /* King lost rights, while rook still had them */
7779 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7780 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7781 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7782 rights++; /* but at least one rook lost them */
7784 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7785 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7787 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7788 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7789 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7792 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7793 && appData.drawRepeats > 1) {
7794 /* adjudicate after user-specified nr of repeats */
7795 int result = GameIsDrawn;
7796 char *details = "XBoard adjudication: repetition draw";
7797 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7798 // [HGM] xiangqi: check for forbidden perpetuals
7799 int m, ourPerpetual = 1, hisPerpetual = 1;
7800 for(m=forwardMostMove; m>k; m-=2) {
7801 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7802 ourPerpetual = 0; // the current mover did not always check
7803 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7804 hisPerpetual = 0; // the opponent did not always check
7806 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7807 ourPerpetual, hisPerpetual);
7808 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7809 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7810 details = "Xboard adjudication: perpetual checking";
7812 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7813 break; // (or we would have caught him before). Abort repetition-checking loop.
7815 // Now check for perpetual chases
7816 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7817 hisPerpetual = PerpetualChase(k, forwardMostMove);
7818 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7819 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7820 static char resdet[MSG_SIZ];
7821 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7823 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7825 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7826 break; // Abort repetition-checking loop.
7828 // if neither of us is checking or chasing all the time, or both are, it is draw
7830 if(engineOpponent) {
7831 SendToProgram("force\n", engineOpponent); // suppress reply
7832 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7834 GameEnds( result, details, GE_XBOARD );
7837 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7838 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7842 /* Now we test for 50-move draws. Determine ply count */
7843 count = forwardMostMove;
7844 /* look for last irreversble move */
7845 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7847 /* if we hit starting position, add initial plies */
7848 if( count == backwardMostMove )
7849 count -= initialRulePlies;
7850 count = forwardMostMove - count;
7851 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7852 // adjust reversible move counter for checks in Xiangqi
7853 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7854 if(i < backwardMostMove) i = backwardMostMove;
7855 while(i <= forwardMostMove) {
7856 lastCheck = inCheck; // check evasion does not count
7857 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7858 if(inCheck || lastCheck) count--; // check does not count
7863 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7864 /* this is used to judge if draw claims are legal */
7865 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7866 if(engineOpponent) {
7867 SendToProgram("force\n", engineOpponent); // suppress reply
7868 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7870 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7874 /* if draw offer is pending, treat it as a draw claim
7875 * when draw condition present, to allow engines a way to
7876 * claim draws before making their move to avoid a race
7877 * condition occurring after their move
7879 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7881 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7882 p = "Draw claim: 50-move rule";
7883 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7884 p = "Draw claim: 3-fold repetition";
7885 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7886 p = "Draw claim: insufficient mating material";
7887 if( p != NULL && canAdjudicate) {
7888 if(engineOpponent) {
7889 SendToProgram("force\n", engineOpponent); // suppress reply
7890 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7892 GameEnds( GameIsDrawn, p, GE_XBOARD );
7897 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7898 if(engineOpponent) {
7899 SendToProgram("force\n", engineOpponent); // suppress reply
7900 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7902 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7909 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7910 { // [HGM] book: this routine intercepts moves to simulate book replies
7911 char *bookHit = NULL;
7913 //first determine if the incoming move brings opponent into his book
7914 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7915 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7916 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7917 if(bookHit != NULL && !cps->bookSuspend) {
7918 // make sure opponent is not going to reply after receiving move to book position
7919 SendToProgram("force\n", cps);
7920 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7922 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7923 // now arrange restart after book miss
7925 // after a book hit we never send 'go', and the code after the call to this routine
7926 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7927 char buf[MSG_SIZ], *move = bookHit;
7929 int fromX, fromY, toX, toY;
7933 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7934 &fromX, &fromY, &toX, &toY, &promoChar)) {
7935 (void) CoordsToAlgebraic(boards[forwardMostMove],
7936 PosFlags(forwardMostMove),
7937 fromY, fromX, toY, toX, promoChar, move);
7939 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7943 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7944 SendToProgram(buf, cps);
7945 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7946 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7947 SendToProgram("go\n", cps);
7948 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7949 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7950 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7951 SendToProgram("go\n", cps);
7952 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7954 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7958 LoadError (char *errmess, ChessProgramState *cps)
7959 { // unloads engine and switches back to -ncp mode if it was first
7960 if(cps->initDone) return FALSE;
7961 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7962 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7965 appData.noChessProgram = TRUE;
7966 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7967 gameMode = BeginningOfGame; ModeHighlight();
7970 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7971 DisplayMessage("", ""); // erase waiting message
7972 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7977 ChessProgramState *savedState;
7979 DeferredBookMove (void)
7981 if(savedState->lastPing != savedState->lastPong)
7982 ScheduleDelayedEvent(DeferredBookMove, 10);
7984 HandleMachineMove(savedMessage, savedState);
7987 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7990 HandleMachineMove (char *message, ChessProgramState *cps)
7992 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7993 char realname[MSG_SIZ];
7994 int fromX, fromY, toX, toY;
7998 int machineWhite, oldError;
8001 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8002 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8003 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8004 DisplayError(_("Invalid pairing from pairing engine"), 0);
8007 pairingReceived = 1;
8009 return; // Skim the pairing messages here.
8012 oldError = cps->userError; cps->userError = 0;
8014 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8016 * Kludge to ignore BEL characters
8018 while (*message == '\007') message++;
8021 * [HGM] engine debug message: ignore lines starting with '#' character
8023 if(cps->debug && *message == '#') return;
8026 * Look for book output
8028 if (cps == &first && bookRequested) {
8029 if (message[0] == '\t' || message[0] == ' ') {
8030 /* Part of the book output is here; append it */
8031 strcat(bookOutput, message);
8032 strcat(bookOutput, " \n");
8034 } else if (bookOutput[0] != NULLCHAR) {
8035 /* All of book output has arrived; display it */
8036 char *p = bookOutput;
8037 while (*p != NULLCHAR) {
8038 if (*p == '\t') *p = ' ';
8041 DisplayInformation(bookOutput);
8042 bookRequested = FALSE;
8043 /* Fall through to parse the current output */
8048 * Look for machine move.
8050 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8051 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8053 /* This method is only useful on engines that support ping */
8054 if (cps->lastPing != cps->lastPong) {
8055 if (gameMode == BeginningOfGame) {
8056 /* Extra move from before last new; ignore */
8057 if (appData.debugMode) {
8058 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8061 if (appData.debugMode) {
8062 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8063 cps->which, gameMode);
8066 SendToProgram("undo\n", cps);
8072 case BeginningOfGame:
8073 /* Extra move from before last reset; ignore */
8074 if (appData.debugMode) {
8075 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8082 /* Extra move after we tried to stop. The mode test is
8083 not a reliable way of detecting this problem, but it's
8084 the best we can do on engines that don't support ping.
8086 if (appData.debugMode) {
8087 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8088 cps->which, gameMode);
8090 SendToProgram("undo\n", cps);
8093 case MachinePlaysWhite:
8094 case IcsPlayingWhite:
8095 machineWhite = TRUE;
8098 case MachinePlaysBlack:
8099 case IcsPlayingBlack:
8100 machineWhite = FALSE;
8103 case TwoMachinesPlay:
8104 machineWhite = (cps->twoMachinesColor[0] == 'w');
8107 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8108 if (appData.debugMode) {
8110 "Ignoring move out of turn by %s, gameMode %d"
8111 ", forwardMost %d\n",
8112 cps->which, gameMode, forwardMostMove);
8117 if(cps->alphaRank) AlphaRank(machineMove, 4);
8118 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8119 &fromX, &fromY, &toX, &toY, &promoChar)) {
8120 /* Machine move could not be parsed; ignore it. */
8121 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8122 machineMove, _(cps->which));
8123 DisplayError(buf1, 0);
8124 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8125 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8126 if (gameMode == TwoMachinesPlay) {
8127 GameEnds(machineWhite ? BlackWins : WhiteWins,
8133 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8134 /* So we have to redo legality test with true e.p. status here, */
8135 /* to make sure an illegal e.p. capture does not slip through, */
8136 /* to cause a forfeit on a justified illegal-move complaint */
8137 /* of the opponent. */
8138 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8140 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8141 fromY, fromX, toY, toX, promoChar);
8142 if(moveType == IllegalMove) {
8143 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8144 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8145 GameEnds(machineWhite ? BlackWins : WhiteWins,
8148 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8149 /* [HGM] Kludge to handle engines that send FRC-style castling
8150 when they shouldn't (like TSCP-Gothic) */
8152 case WhiteASideCastleFR:
8153 case BlackASideCastleFR:
8155 currentMoveString[2]++;
8157 case WhiteHSideCastleFR:
8158 case BlackHSideCastleFR:
8160 currentMoveString[2]--;
8162 default: ; // nothing to do, but suppresses warning of pedantic compilers
8165 hintRequested = FALSE;
8166 lastHint[0] = NULLCHAR;
8167 bookRequested = FALSE;
8168 /* Program may be pondering now */
8169 cps->maybeThinking = TRUE;
8170 if (cps->sendTime == 2) cps->sendTime = 1;
8171 if (cps->offeredDraw) cps->offeredDraw--;
8173 /* [AS] Save move info*/
8174 pvInfoList[ forwardMostMove ].score = programStats.score;
8175 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8176 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8178 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8180 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8181 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8184 while( count < adjudicateLossPlies ) {
8185 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8188 score = -score; /* Flip score for winning side */
8191 if( score > adjudicateLossThreshold ) {
8198 if( count >= adjudicateLossPlies ) {
8199 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8201 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8202 "Xboard adjudication",
8209 if(Adjudicate(cps)) {
8210 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8211 return; // [HGM] adjudicate: for all automatic game ends
8215 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8217 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8218 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8220 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8222 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8224 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8225 char buf[3*MSG_SIZ];
8227 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8228 programStats.score / 100.,
8230 programStats.time / 100.,
8231 (unsigned int)programStats.nodes,
8232 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8233 programStats.movelist);
8235 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8240 /* [AS] Clear stats for next move */
8241 ClearProgramStats();
8242 thinkOutput[0] = NULLCHAR;
8243 hiddenThinkOutputState = 0;
8246 if (gameMode == TwoMachinesPlay) {
8247 /* [HGM] relaying draw offers moved to after reception of move */
8248 /* and interpreting offer as claim if it brings draw condition */
8249 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8250 SendToProgram("draw\n", cps->other);
8252 if (cps->other->sendTime) {
8253 SendTimeRemaining(cps->other,
8254 cps->other->twoMachinesColor[0] == 'w');
8256 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8257 if (firstMove && !bookHit) {
8259 if (cps->other->useColors) {
8260 SendToProgram(cps->other->twoMachinesColor, cps->other);
8262 SendToProgram("go\n", cps->other);
8264 cps->other->maybeThinking = TRUE;
8267 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8269 if (!pausing && appData.ringBellAfterMoves) {
8274 * Reenable menu items that were disabled while
8275 * machine was thinking
8277 if (gameMode != TwoMachinesPlay)
8278 SetUserThinkingEnables();
8280 // [HGM] book: after book hit opponent has received move and is now in force mode
8281 // force the book reply into it, and then fake that it outputted this move by jumping
8282 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8284 static char bookMove[MSG_SIZ]; // a bit generous?
8286 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8287 strcat(bookMove, bookHit);
8290 programStats.nodes = programStats.depth = programStats.time =
8291 programStats.score = programStats.got_only_move = 0;
8292 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8294 if(cps->lastPing != cps->lastPong) {
8295 savedMessage = message; // args for deferred call
8297 ScheduleDelayedEvent(DeferredBookMove, 10);
8306 /* Set special modes for chess engines. Later something general
8307 * could be added here; for now there is just one kludge feature,
8308 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8309 * when "xboard" is given as an interactive command.
8311 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8312 cps->useSigint = FALSE;
8313 cps->useSigterm = FALSE;
8315 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8316 ParseFeatures(message+8, cps);
8317 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8320 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8321 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8322 int dummy, s=6; char buf[MSG_SIZ];
8323 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8324 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8325 if(startedFromSetupPosition) return;
8326 ParseFEN(boards[0], &dummy, message+s);
8327 DrawPosition(TRUE, boards[0]);
8328 startedFromSetupPosition = TRUE;
8331 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8332 * want this, I was asked to put it in, and obliged.
8334 if (!strncmp(message, "setboard ", 9)) {
8335 Board initial_position;
8337 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8339 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8340 DisplayError(_("Bad FEN received from engine"), 0);
8344 CopyBoard(boards[0], initial_position);
8345 initialRulePlies = FENrulePlies;
8346 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8347 else gameMode = MachinePlaysBlack;
8348 DrawPosition(FALSE, boards[currentMove]);
8354 * Look for communication commands
8356 if (!strncmp(message, "telluser ", 9)) {
8357 if(message[9] == '\\' && message[10] == '\\')
8358 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8360 DisplayNote(message + 9);
8363 if (!strncmp(message, "tellusererror ", 14)) {
8365 if(message[14] == '\\' && message[15] == '\\')
8366 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8368 DisplayError(message + 14, 0);
8371 if (!strncmp(message, "tellopponent ", 13)) {
8372 if (appData.icsActive) {
8374 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8378 DisplayNote(message + 13);
8382 if (!strncmp(message, "tellothers ", 11)) {
8383 if (appData.icsActive) {
8385 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8391 if (!strncmp(message, "tellall ", 8)) {
8392 if (appData.icsActive) {
8394 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8398 DisplayNote(message + 8);
8402 if (strncmp(message, "warning", 7) == 0) {
8403 /* Undocumented feature, use tellusererror in new code */
8404 DisplayError(message, 0);
8407 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8408 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8409 strcat(realname, " query");
8410 AskQuestion(realname, buf2, buf1, cps->pr);
8413 /* Commands from the engine directly to ICS. We don't allow these to be
8414 * sent until we are logged on. Crafty kibitzes have been known to
8415 * interfere with the login process.
8418 if (!strncmp(message, "tellics ", 8)) {
8419 SendToICS(message + 8);
8423 if (!strncmp(message, "tellicsnoalias ", 15)) {
8424 SendToICS(ics_prefix);
8425 SendToICS(message + 15);
8429 /* The following are for backward compatibility only */
8430 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8431 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8432 SendToICS(ics_prefix);
8438 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8442 * If the move is illegal, cancel it and redraw the board.
8443 * Also deal with other error cases. Matching is rather loose
8444 * here to accommodate engines written before the spec.
8446 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8447 strncmp(message, "Error", 5) == 0) {
8448 if (StrStr(message, "name") ||
8449 StrStr(message, "rating") || StrStr(message, "?") ||
8450 StrStr(message, "result") || StrStr(message, "board") ||
8451 StrStr(message, "bk") || StrStr(message, "computer") ||
8452 StrStr(message, "variant") || StrStr(message, "hint") ||
8453 StrStr(message, "random") || StrStr(message, "depth") ||
8454 StrStr(message, "accepted")) {
8457 if (StrStr(message, "protover")) {
8458 /* Program is responding to input, so it's apparently done
8459 initializing, and this error message indicates it is
8460 protocol version 1. So we don't need to wait any longer
8461 for it to initialize and send feature commands. */
8462 FeatureDone(cps, 1);
8463 cps->protocolVersion = 1;
8466 cps->maybeThinking = FALSE;
8468 if (StrStr(message, "draw")) {
8469 /* Program doesn't have "draw" command */
8470 cps->sendDrawOffers = 0;
8473 if (cps->sendTime != 1 &&
8474 (StrStr(message, "time") || StrStr(message, "otim"))) {
8475 /* Program apparently doesn't have "time" or "otim" command */
8479 if (StrStr(message, "analyze")) {
8480 cps->analysisSupport = FALSE;
8481 cps->analyzing = FALSE;
8482 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8483 EditGameEvent(); // [HGM] try to preserve loaded game
8484 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8485 DisplayError(buf2, 0);
8488 if (StrStr(message, "(no matching move)st")) {
8489 /* Special kludge for GNU Chess 4 only */
8490 cps->stKludge = TRUE;
8491 SendTimeControl(cps, movesPerSession, timeControl,
8492 timeIncrement, appData.searchDepth,
8496 if (StrStr(message, "(no matching move)sd")) {
8497 /* Special kludge for GNU Chess 4 only */
8498 cps->sdKludge = TRUE;
8499 SendTimeControl(cps, movesPerSession, timeControl,
8500 timeIncrement, appData.searchDepth,
8504 if (!StrStr(message, "llegal")) {
8507 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8508 gameMode == IcsIdle) return;
8509 if (forwardMostMove <= backwardMostMove) return;
8510 if (pausing) PauseEvent();
8511 if(appData.forceIllegal) {
8512 // [HGM] illegal: machine refused move; force position after move into it
8513 SendToProgram("force\n", cps);
8514 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8515 // we have a real problem now, as SendBoard will use the a2a3 kludge
8516 // when black is to move, while there might be nothing on a2 or black
8517 // might already have the move. So send the board as if white has the move.
8518 // But first we must change the stm of the engine, as it refused the last move
8519 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8520 if(WhiteOnMove(forwardMostMove)) {
8521 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8522 SendBoard(cps, forwardMostMove); // kludgeless board
8524 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8525 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8526 SendBoard(cps, forwardMostMove+1); // kludgeless board
8528 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8529 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8530 gameMode == TwoMachinesPlay)
8531 SendToProgram("go\n", cps);
8534 if (gameMode == PlayFromGameFile) {
8535 /* Stop reading this game file */
8536 gameMode = EditGame;
8539 /* [HGM] illegal-move claim should forfeit game when Xboard */
8540 /* only passes fully legal moves */
8541 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8542 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8543 "False illegal-move claim", GE_XBOARD );
8544 return; // do not take back move we tested as valid
8546 currentMove = forwardMostMove-1;
8547 DisplayMove(currentMove-1); /* before DisplayMoveError */
8548 SwitchClocks(forwardMostMove-1); // [HGM] race
8549 DisplayBothClocks();
8550 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8551 parseList[currentMove], _(cps->which));
8552 DisplayMoveError(buf1);
8553 DrawPosition(FALSE, boards[currentMove]);
8555 SetUserThinkingEnables();
8558 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8559 /* Program has a broken "time" command that
8560 outputs a string not ending in newline.
8566 * If chess program startup fails, exit with an error message.
8567 * Attempts to recover here are futile. [HGM] Well, we try anyway
8569 if ((StrStr(message, "unknown host") != NULL)
8570 || (StrStr(message, "No remote directory") != NULL)
8571 || (StrStr(message, "not found") != NULL)
8572 || (StrStr(message, "No such file") != NULL)
8573 || (StrStr(message, "can't alloc") != NULL)
8574 || (StrStr(message, "Permission denied") != NULL)) {
8576 cps->maybeThinking = FALSE;
8577 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8578 _(cps->which), cps->program, cps->host, message);
8579 RemoveInputSource(cps->isr);
8580 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8581 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8582 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8588 * Look for hint output
8590 if (sscanf(message, "Hint: %s", buf1) == 1) {
8591 if (cps == &first && hintRequested) {
8592 hintRequested = FALSE;
8593 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8594 &fromX, &fromY, &toX, &toY, &promoChar)) {
8595 (void) CoordsToAlgebraic(boards[forwardMostMove],
8596 PosFlags(forwardMostMove),
8597 fromY, fromX, toY, toX, promoChar, buf1);
8598 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8599 DisplayInformation(buf2);
8601 /* Hint move could not be parsed!? */
8602 snprintf(buf2, sizeof(buf2),
8603 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8604 buf1, _(cps->which));
8605 DisplayError(buf2, 0);
8608 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8614 * Ignore other messages if game is not in progress
8616 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8617 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8620 * look for win, lose, draw, or draw offer
8622 if (strncmp(message, "1-0", 3) == 0) {
8623 char *p, *q, *r = "";
8624 p = strchr(message, '{');
8632 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8634 } else if (strncmp(message, "0-1", 3) == 0) {
8635 char *p, *q, *r = "";
8636 p = strchr(message, '{');
8644 /* Kludge for Arasan 4.1 bug */
8645 if (strcmp(r, "Black resigns") == 0) {
8646 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8649 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8651 } else if (strncmp(message, "1/2", 3) == 0) {
8652 char *p, *q, *r = "";
8653 p = strchr(message, '{');
8662 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8665 } else if (strncmp(message, "White resign", 12) == 0) {
8666 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8668 } else if (strncmp(message, "Black resign", 12) == 0) {
8669 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8671 } else if (strncmp(message, "White matches", 13) == 0 ||
8672 strncmp(message, "Black matches", 13) == 0 ) {
8673 /* [HGM] ignore GNUShogi noises */
8675 } else if (strncmp(message, "White", 5) == 0 &&
8676 message[5] != '(' &&
8677 StrStr(message, "Black") == NULL) {
8678 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8680 } else if (strncmp(message, "Black", 5) == 0 &&
8681 message[5] != '(') {
8682 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8684 } else if (strcmp(message, "resign") == 0 ||
8685 strcmp(message, "computer resigns") == 0) {
8687 case MachinePlaysBlack:
8688 case IcsPlayingBlack:
8689 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8691 case MachinePlaysWhite:
8692 case IcsPlayingWhite:
8693 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8695 case TwoMachinesPlay:
8696 if (cps->twoMachinesColor[0] == 'w')
8697 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8699 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8706 } else if (strncmp(message, "opponent mates", 14) == 0) {
8708 case MachinePlaysBlack:
8709 case IcsPlayingBlack:
8710 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8712 case MachinePlaysWhite:
8713 case IcsPlayingWhite:
8714 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8716 case TwoMachinesPlay:
8717 if (cps->twoMachinesColor[0] == 'w')
8718 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8720 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8727 } else if (strncmp(message, "computer mates", 14) == 0) {
8729 case MachinePlaysBlack:
8730 case IcsPlayingBlack:
8731 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8733 case MachinePlaysWhite:
8734 case IcsPlayingWhite:
8735 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8737 case TwoMachinesPlay:
8738 if (cps->twoMachinesColor[0] == 'w')
8739 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8741 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8748 } else if (strncmp(message, "checkmate", 9) == 0) {
8749 if (WhiteOnMove(forwardMostMove)) {
8750 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8752 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8755 } else if (strstr(message, "Draw") != NULL ||
8756 strstr(message, "game is a draw") != NULL) {
8757 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8759 } else if (strstr(message, "offer") != NULL &&
8760 strstr(message, "draw") != NULL) {
8762 if (appData.zippyPlay && first.initDone) {
8763 /* Relay offer to ICS */
8764 SendToICS(ics_prefix);
8765 SendToICS("draw\n");
8768 cps->offeredDraw = 2; /* valid until this engine moves twice */
8769 if (gameMode == TwoMachinesPlay) {
8770 if (cps->other->offeredDraw) {
8771 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8772 /* [HGM] in two-machine mode we delay relaying draw offer */
8773 /* until after we also have move, to see if it is really claim */
8775 } else if (gameMode == MachinePlaysWhite ||
8776 gameMode == MachinePlaysBlack) {
8777 if (userOfferedDraw) {
8778 DisplayInformation(_("Machine accepts your draw offer"));
8779 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8781 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8788 * Look for thinking output
8790 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8791 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8793 int plylev, mvleft, mvtot, curscore, time;
8794 char mvname[MOVE_LEN];
8798 int prefixHint = FALSE;
8799 mvname[0] = NULLCHAR;
8802 case MachinePlaysBlack:
8803 case IcsPlayingBlack:
8804 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8806 case MachinePlaysWhite:
8807 case IcsPlayingWhite:
8808 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8813 case IcsObserving: /* [DM] icsEngineAnalyze */
8814 if (!appData.icsEngineAnalyze) ignore = TRUE;
8816 case TwoMachinesPlay:
8817 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8827 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8829 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8830 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8832 if (plyext != ' ' && plyext != '\t') {
8836 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8837 if( cps->scoreIsAbsolute &&
8838 ( gameMode == MachinePlaysBlack ||
8839 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8840 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8841 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8842 !WhiteOnMove(currentMove)
8845 curscore = -curscore;
8848 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8850 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8853 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8854 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8855 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8856 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8857 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8858 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8860 } else DisplayError(_("failed writing PV"), 0);
8863 tempStats.depth = plylev;
8864 tempStats.nodes = nodes;
8865 tempStats.time = time;
8866 tempStats.score = curscore;
8867 tempStats.got_only_move = 0;
8869 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8872 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8873 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8874 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8875 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8876 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8877 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8878 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8879 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8882 /* Buffer overflow protection */
8883 if (pv[0] != NULLCHAR) {
8884 if (strlen(pv) >= sizeof(tempStats.movelist)
8885 && appData.debugMode) {
8887 "PV is too long; using the first %u bytes.\n",
8888 (unsigned) sizeof(tempStats.movelist) - 1);
8891 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8893 sprintf(tempStats.movelist, " no PV\n");
8896 if (tempStats.seen_stat) {
8897 tempStats.ok_to_send = 1;
8900 if (strchr(tempStats.movelist, '(') != NULL) {
8901 tempStats.line_is_book = 1;
8902 tempStats.nr_moves = 0;
8903 tempStats.moves_left = 0;
8905 tempStats.line_is_book = 0;
8908 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8909 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8911 SendProgramStatsToFrontend( cps, &tempStats );
8914 [AS] Protect the thinkOutput buffer from overflow... this
8915 is only useful if buf1 hasn't overflowed first!
8917 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8919 (gameMode == TwoMachinesPlay ?
8920 ToUpper(cps->twoMachinesColor[0]) : ' '),
8921 ((double) curscore) / 100.0,
8922 prefixHint ? lastHint : "",
8923 prefixHint ? " " : "" );
8925 if( buf1[0] != NULLCHAR ) {
8926 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8928 if( strlen(pv) > max_len ) {
8929 if( appData.debugMode) {
8930 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8932 pv[max_len+1] = '\0';
8935 strcat( thinkOutput, pv);
8938 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8939 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8940 DisplayMove(currentMove - 1);
8944 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8945 /* crafty (9.25+) says "(only move) <move>"
8946 * if there is only 1 legal move
8948 sscanf(p, "(only move) %s", buf1);
8949 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8950 sprintf(programStats.movelist, "%s (only move)", buf1);
8951 programStats.depth = 1;
8952 programStats.nr_moves = 1;
8953 programStats.moves_left = 1;
8954 programStats.nodes = 1;
8955 programStats.time = 1;
8956 programStats.got_only_move = 1;
8958 /* Not really, but we also use this member to
8959 mean "line isn't going to change" (Crafty
8960 isn't searching, so stats won't change) */
8961 programStats.line_is_book = 1;
8963 SendProgramStatsToFrontend( cps, &programStats );
8965 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8966 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8967 DisplayMove(currentMove - 1);
8970 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8971 &time, &nodes, &plylev, &mvleft,
8972 &mvtot, mvname) >= 5) {
8973 /* The stat01: line is from Crafty (9.29+) in response
8974 to the "." command */
8975 programStats.seen_stat = 1;
8976 cps->maybeThinking = TRUE;
8978 if (programStats.got_only_move || !appData.periodicUpdates)
8981 programStats.depth = plylev;
8982 programStats.time = time;
8983 programStats.nodes = nodes;
8984 programStats.moves_left = mvleft;
8985 programStats.nr_moves = mvtot;
8986 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8987 programStats.ok_to_send = 1;
8988 programStats.movelist[0] = '\0';
8990 SendProgramStatsToFrontend( cps, &programStats );
8994 } else if (strncmp(message,"++",2) == 0) {
8995 /* Crafty 9.29+ outputs this */
8996 programStats.got_fail = 2;
8999 } else if (strncmp(message,"--",2) == 0) {
9000 /* Crafty 9.29+ outputs this */
9001 programStats.got_fail = 1;
9004 } else if (thinkOutput[0] != NULLCHAR &&
9005 strncmp(message, " ", 4) == 0) {
9006 unsigned message_len;
9009 while (*p && *p == ' ') p++;
9011 message_len = strlen( p );
9013 /* [AS] Avoid buffer overflow */
9014 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9015 strcat(thinkOutput, " ");
9016 strcat(thinkOutput, p);
9019 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9020 strcat(programStats.movelist, " ");
9021 strcat(programStats.movelist, p);
9024 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9025 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9026 DisplayMove(currentMove - 1);
9034 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9035 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9037 ChessProgramStats cpstats;
9039 if (plyext != ' ' && plyext != '\t') {
9043 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9044 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9045 curscore = -curscore;
9048 cpstats.depth = plylev;
9049 cpstats.nodes = nodes;
9050 cpstats.time = time;
9051 cpstats.score = curscore;
9052 cpstats.got_only_move = 0;
9053 cpstats.movelist[0] = '\0';
9055 if (buf1[0] != NULLCHAR) {
9056 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9059 cpstats.ok_to_send = 0;
9060 cpstats.line_is_book = 0;
9061 cpstats.nr_moves = 0;
9062 cpstats.moves_left = 0;
9064 SendProgramStatsToFrontend( cps, &cpstats );
9071 /* Parse a game score from the character string "game", and
9072 record it as the history of the current game. The game
9073 score is NOT assumed to start from the standard position.
9074 The display is not updated in any way.
9077 ParseGameHistory (char *game)
9080 int fromX, fromY, toX, toY, boardIndex;
9085 if (appData.debugMode)
9086 fprintf(debugFP, "Parsing game history: %s\n", game);
9088 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9089 gameInfo.site = StrSave(appData.icsHost);
9090 gameInfo.date = PGNDate();
9091 gameInfo.round = StrSave("-");
9093 /* Parse out names of players */
9094 while (*game == ' ') game++;
9096 while (*game != ' ') *p++ = *game++;
9098 gameInfo.white = StrSave(buf);
9099 while (*game == ' ') game++;
9101 while (*game != ' ' && *game != '\n') *p++ = *game++;
9103 gameInfo.black = StrSave(buf);
9106 boardIndex = blackPlaysFirst ? 1 : 0;
9109 yyboardindex = boardIndex;
9110 moveType = (ChessMove) Myylex();
9112 case IllegalMove: /* maybe suicide chess, etc. */
9113 if (appData.debugMode) {
9114 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9115 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9116 setbuf(debugFP, NULL);
9118 case WhitePromotion:
9119 case BlackPromotion:
9120 case WhiteNonPromotion:
9121 case BlackNonPromotion:
9123 case WhiteCapturesEnPassant:
9124 case BlackCapturesEnPassant:
9125 case WhiteKingSideCastle:
9126 case WhiteQueenSideCastle:
9127 case BlackKingSideCastle:
9128 case BlackQueenSideCastle:
9129 case WhiteKingSideCastleWild:
9130 case WhiteQueenSideCastleWild:
9131 case BlackKingSideCastleWild:
9132 case BlackQueenSideCastleWild:
9134 case WhiteHSideCastleFR:
9135 case WhiteASideCastleFR:
9136 case BlackHSideCastleFR:
9137 case BlackASideCastleFR:
9139 fromX = currentMoveString[0] - AAA;
9140 fromY = currentMoveString[1] - ONE;
9141 toX = currentMoveString[2] - AAA;
9142 toY = currentMoveString[3] - ONE;
9143 promoChar = currentMoveString[4];
9147 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9148 fromX = moveType == WhiteDrop ?
9149 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9150 (int) CharToPiece(ToLower(currentMoveString[0]));
9152 toX = currentMoveString[2] - AAA;
9153 toY = currentMoveString[3] - ONE;
9154 promoChar = NULLCHAR;
9158 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9159 if (appData.debugMode) {
9160 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9161 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9162 setbuf(debugFP, NULL);
9164 DisplayError(buf, 0);
9166 case ImpossibleMove:
9168 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9169 if (appData.debugMode) {
9170 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9171 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9172 setbuf(debugFP, NULL);
9174 DisplayError(buf, 0);
9177 if (boardIndex < backwardMostMove) {
9178 /* Oops, gap. How did that happen? */
9179 DisplayError(_("Gap in move list"), 0);
9182 backwardMostMove = blackPlaysFirst ? 1 : 0;
9183 if (boardIndex > forwardMostMove) {
9184 forwardMostMove = boardIndex;
9188 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9189 strcat(parseList[boardIndex-1], " ");
9190 strcat(parseList[boardIndex-1], yy_text);
9202 case GameUnfinished:
9203 if (gameMode == IcsExamining) {
9204 if (boardIndex < backwardMostMove) {
9205 /* Oops, gap. How did that happen? */
9208 backwardMostMove = blackPlaysFirst ? 1 : 0;
9211 gameInfo.result = moveType;
9212 p = strchr(yy_text, '{');
9213 if (p == NULL) p = strchr(yy_text, '(');
9216 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9218 q = strchr(p, *p == '{' ? '}' : ')');
9219 if (q != NULL) *q = NULLCHAR;
9222 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9223 gameInfo.resultDetails = StrSave(p);
9226 if (boardIndex >= forwardMostMove &&
9227 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9228 backwardMostMove = blackPlaysFirst ? 1 : 0;
9231 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9232 fromY, fromX, toY, toX, promoChar,
9233 parseList[boardIndex]);
9234 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9235 /* currentMoveString is set as a side-effect of yylex */
9236 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9237 strcat(moveList[boardIndex], "\n");
9239 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9240 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9246 if(gameInfo.variant != VariantShogi)
9247 strcat(parseList[boardIndex - 1], "+");
9251 strcat(parseList[boardIndex - 1], "#");
9258 /* Apply a move to the given board */
9260 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9262 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9263 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9265 /* [HGM] compute & store e.p. status and castling rights for new position */
9266 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9268 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9269 oldEP = (signed char)board[EP_STATUS];
9270 board[EP_STATUS] = EP_NONE;
9272 if (fromY == DROP_RANK) {
9274 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9275 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9278 piece = board[toY][toX] = (ChessSquare) fromX;
9282 if( board[toY][toX] != EmptySquare )
9283 board[EP_STATUS] = EP_CAPTURE;
9285 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9286 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9287 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9289 if( board[fromY][fromX] == WhitePawn ) {
9290 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9291 board[EP_STATUS] = EP_PAWN_MOVE;
9293 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9294 gameInfo.variant != VariantBerolina || toX < fromX)
9295 board[EP_STATUS] = toX | berolina;
9296 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9297 gameInfo.variant != VariantBerolina || toX > fromX)
9298 board[EP_STATUS] = toX;
9301 if( board[fromY][fromX] == BlackPawn ) {
9302 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9303 board[EP_STATUS] = EP_PAWN_MOVE;
9304 if( toY-fromY== -2) {
9305 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9306 gameInfo.variant != VariantBerolina || toX < fromX)
9307 board[EP_STATUS] = toX | berolina;
9308 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9309 gameInfo.variant != VariantBerolina || toX > fromX)
9310 board[EP_STATUS] = toX;
9314 for(i=0; i<nrCastlingRights; i++) {
9315 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9316 board[CASTLING][i] == toX && castlingRank[i] == toY
9317 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9320 if (fromX == toX && fromY == toY) return;
9322 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9323 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9324 if(gameInfo.variant == VariantKnightmate)
9325 king += (int) WhiteUnicorn - (int) WhiteKing;
9327 /* Code added by Tord: */
9328 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9329 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9330 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9331 board[fromY][fromX] = EmptySquare;
9332 board[toY][toX] = EmptySquare;
9333 if((toX > fromX) != (piece == WhiteRook)) {
9334 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9336 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9338 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9339 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9340 board[fromY][fromX] = EmptySquare;
9341 board[toY][toX] = EmptySquare;
9342 if((toX > fromX) != (piece == BlackRook)) {
9343 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9345 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9347 /* End of code added by Tord */
9349 } else if (board[fromY][fromX] == king
9350 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9351 && toY == fromY && toX > fromX+1) {
9352 board[fromY][fromX] = EmptySquare;
9353 board[toY][toX] = king;
9354 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9355 board[fromY][BOARD_RGHT-1] = EmptySquare;
9356 } else if (board[fromY][fromX] == king
9357 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9358 && toY == fromY && toX < fromX-1) {
9359 board[fromY][fromX] = EmptySquare;
9360 board[toY][toX] = king;
9361 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9362 board[fromY][BOARD_LEFT] = EmptySquare;
9363 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9364 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9365 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9367 /* white pawn promotion */
9368 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9369 if(gameInfo.variant==VariantBughouse ||
9370 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9371 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9372 board[fromY][fromX] = EmptySquare;
9373 } else if ((fromY >= BOARD_HEIGHT>>1)
9375 && gameInfo.variant != VariantXiangqi
9376 && gameInfo.variant != VariantBerolina
9377 && (board[fromY][fromX] == WhitePawn)
9378 && (board[toY][toX] == EmptySquare)) {
9379 board[fromY][fromX] = EmptySquare;
9380 board[toY][toX] = WhitePawn;
9381 captured = board[toY - 1][toX];
9382 board[toY - 1][toX] = EmptySquare;
9383 } else if ((fromY == BOARD_HEIGHT-4)
9385 && gameInfo.variant == VariantBerolina
9386 && (board[fromY][fromX] == WhitePawn)
9387 && (board[toY][toX] == EmptySquare)) {
9388 board[fromY][fromX] = EmptySquare;
9389 board[toY][toX] = WhitePawn;
9390 if(oldEP & EP_BEROLIN_A) {
9391 captured = board[fromY][fromX-1];
9392 board[fromY][fromX-1] = EmptySquare;
9393 }else{ captured = board[fromY][fromX+1];
9394 board[fromY][fromX+1] = EmptySquare;
9396 } else if (board[fromY][fromX] == king
9397 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9398 && toY == fromY && toX > fromX+1) {
9399 board[fromY][fromX] = EmptySquare;
9400 board[toY][toX] = king;
9401 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9402 board[fromY][BOARD_RGHT-1] = EmptySquare;
9403 } else if (board[fromY][fromX] == king
9404 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9405 && toY == fromY && toX < fromX-1) {
9406 board[fromY][fromX] = EmptySquare;
9407 board[toY][toX] = king;
9408 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9409 board[fromY][BOARD_LEFT] = EmptySquare;
9410 } else if (fromY == 7 && fromX == 3
9411 && board[fromY][fromX] == BlackKing
9412 && toY == 7 && toX == 5) {
9413 board[fromY][fromX] = EmptySquare;
9414 board[toY][toX] = BlackKing;
9415 board[fromY][7] = EmptySquare;
9416 board[toY][4] = BlackRook;
9417 } else if (fromY == 7 && fromX == 3
9418 && board[fromY][fromX] == BlackKing
9419 && toY == 7 && toX == 1) {
9420 board[fromY][fromX] = EmptySquare;
9421 board[toY][toX] = BlackKing;
9422 board[fromY][0] = EmptySquare;
9423 board[toY][2] = BlackRook;
9424 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9425 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9426 && toY < promoRank && promoChar
9428 /* black pawn promotion */
9429 board[toY][toX] = CharToPiece(ToLower(promoChar));
9430 if(gameInfo.variant==VariantBughouse ||
9431 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9432 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9433 board[fromY][fromX] = EmptySquare;
9434 } else if ((fromY < BOARD_HEIGHT>>1)
9436 && gameInfo.variant != VariantXiangqi
9437 && gameInfo.variant != VariantBerolina
9438 && (board[fromY][fromX] == BlackPawn)
9439 && (board[toY][toX] == EmptySquare)) {
9440 board[fromY][fromX] = EmptySquare;
9441 board[toY][toX] = BlackPawn;
9442 captured = board[toY + 1][toX];
9443 board[toY + 1][toX] = EmptySquare;
9444 } else if ((fromY == 3)
9446 && gameInfo.variant == VariantBerolina
9447 && (board[fromY][fromX] == BlackPawn)
9448 && (board[toY][toX] == EmptySquare)) {
9449 board[fromY][fromX] = EmptySquare;
9450 board[toY][toX] = BlackPawn;
9451 if(oldEP & EP_BEROLIN_A) {
9452 captured = board[fromY][fromX-1];
9453 board[fromY][fromX-1] = EmptySquare;
9454 }else{ captured = board[fromY][fromX+1];
9455 board[fromY][fromX+1] = EmptySquare;
9458 board[toY][toX] = board[fromY][fromX];
9459 board[fromY][fromX] = EmptySquare;
9463 if (gameInfo.holdingsWidth != 0) {
9465 /* !!A lot more code needs to be written to support holdings */
9466 /* [HGM] OK, so I have written it. Holdings are stored in the */
9467 /* penultimate board files, so they are automaticlly stored */
9468 /* in the game history. */
9469 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9470 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9471 /* Delete from holdings, by decreasing count */
9472 /* and erasing image if necessary */
9473 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9474 if(p < (int) BlackPawn) { /* white drop */
9475 p -= (int)WhitePawn;
9476 p = PieceToNumber((ChessSquare)p);
9477 if(p >= gameInfo.holdingsSize) p = 0;
9478 if(--board[p][BOARD_WIDTH-2] <= 0)
9479 board[p][BOARD_WIDTH-1] = EmptySquare;
9480 if((int)board[p][BOARD_WIDTH-2] < 0)
9481 board[p][BOARD_WIDTH-2] = 0;
9482 } else { /* black drop */
9483 p -= (int)BlackPawn;
9484 p = PieceToNumber((ChessSquare)p);
9485 if(p >= gameInfo.holdingsSize) p = 0;
9486 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9487 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9488 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9489 board[BOARD_HEIGHT-1-p][1] = 0;
9492 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9493 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9494 /* [HGM] holdings: Add to holdings, if holdings exist */
9495 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9496 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9497 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9500 if (p >= (int) BlackPawn) {
9501 p -= (int)BlackPawn;
9502 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9503 /* in Shogi restore piece to its original first */
9504 captured = (ChessSquare) (DEMOTED captured);
9507 p = PieceToNumber((ChessSquare)p);
9508 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9509 board[p][BOARD_WIDTH-2]++;
9510 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9512 p -= (int)WhitePawn;
9513 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9514 captured = (ChessSquare) (DEMOTED captured);
9517 p = PieceToNumber((ChessSquare)p);
9518 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9519 board[BOARD_HEIGHT-1-p][1]++;
9520 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9523 } else if (gameInfo.variant == VariantAtomic) {
9524 if (captured != EmptySquare) {
9526 for (y = toY-1; y <= toY+1; y++) {
9527 for (x = toX-1; x <= toX+1; x++) {
9528 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9529 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9530 board[y][x] = EmptySquare;
9534 board[toY][toX] = EmptySquare;
9537 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9538 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9540 if(promoChar == '+') {
9541 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9542 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9543 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9544 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9545 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9546 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9547 board[toY][toX] = newPiece;
9549 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9550 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9551 // [HGM] superchess: take promotion piece out of holdings
9552 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9553 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9554 if(!--board[k][BOARD_WIDTH-2])
9555 board[k][BOARD_WIDTH-1] = EmptySquare;
9557 if(!--board[BOARD_HEIGHT-1-k][1])
9558 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9564 /* Updates forwardMostMove */
9566 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9568 // forwardMostMove++; // [HGM] bare: moved downstream
9570 (void) CoordsToAlgebraic(boards[forwardMostMove],
9571 PosFlags(forwardMostMove),
9572 fromY, fromX, toY, toX, promoChar,
9573 parseList[forwardMostMove]);
9575 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9576 int timeLeft; static int lastLoadFlag=0; int king, piece;
9577 piece = boards[forwardMostMove][fromY][fromX];
9578 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9579 if(gameInfo.variant == VariantKnightmate)
9580 king += (int) WhiteUnicorn - (int) WhiteKing;
9581 if(forwardMostMove == 0) {
9582 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9583 fprintf(serverMoves, "%s;", UserName());
9584 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9585 fprintf(serverMoves, "%s;", second.tidy);
9586 fprintf(serverMoves, "%s;", first.tidy);
9587 if(gameMode == MachinePlaysWhite)
9588 fprintf(serverMoves, "%s;", UserName());
9589 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9590 fprintf(serverMoves, "%s;", second.tidy);
9591 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9592 lastLoadFlag = loadFlag;
9594 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9595 // print castling suffix
9596 if( toY == fromY && piece == king ) {
9598 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9600 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9603 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9604 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9605 boards[forwardMostMove][toY][toX] == EmptySquare
9606 && fromX != toX && fromY != toY)
9607 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9609 if(promoChar != NULLCHAR)
9610 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9612 char buf[MOVE_LEN*2], *p; int len;
9613 fprintf(serverMoves, "/%d/%d",
9614 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9615 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9616 else timeLeft = blackTimeRemaining/1000;
9617 fprintf(serverMoves, "/%d", timeLeft);
9618 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9619 if(p = strchr(buf, '=')) *p = NULLCHAR;
9620 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9621 fprintf(serverMoves, "/%s", buf);
9623 fflush(serverMoves);
9626 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9627 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9630 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9631 if (commentList[forwardMostMove+1] != NULL) {
9632 free(commentList[forwardMostMove+1]);
9633 commentList[forwardMostMove+1] = NULL;
9635 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9636 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9637 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9638 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9639 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9640 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9641 adjustedClock = FALSE;
9642 gameInfo.result = GameUnfinished;
9643 if (gameInfo.resultDetails != NULL) {
9644 free(gameInfo.resultDetails);
9645 gameInfo.resultDetails = NULL;
9647 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9648 moveList[forwardMostMove - 1]);
9649 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9655 if(gameInfo.variant != VariantShogi)
9656 strcat(parseList[forwardMostMove - 1], "+");
9660 strcat(parseList[forwardMostMove - 1], "#");
9666 /* Updates currentMove if not pausing */
9668 ShowMove (int fromX, int fromY, int toX, int toY)
9670 int instant = (gameMode == PlayFromGameFile) ?
9671 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9672 if(appData.noGUI) return;
9673 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9675 if (forwardMostMove == currentMove + 1) {
9676 AnimateMove(boards[forwardMostMove - 1],
9677 fromX, fromY, toX, toY);
9679 if (appData.highlightLastMove) {
9680 SetHighlights(fromX, fromY, toX, toY);
9683 currentMove = forwardMostMove;
9686 if (instant) return;
9688 DisplayMove(currentMove - 1);
9689 DrawPosition(FALSE, boards[currentMove]);
9690 DisplayBothClocks();
9691 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9695 SendEgtPath (ChessProgramState *cps)
9696 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9697 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9699 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9702 char c, *q = name+1, *r, *s;
9704 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9705 while(*p && *p != ',') *q++ = *p++;
9707 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9708 strcmp(name, ",nalimov:") == 0 ) {
9709 // take nalimov path from the menu-changeable option first, if it is defined
9710 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9711 SendToProgram(buf,cps); // send egtbpath command for nalimov
9713 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9714 (s = StrStr(appData.egtFormats, name)) != NULL) {
9715 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9716 s = r = StrStr(s, ":") + 1; // beginning of path info
9717 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9718 c = *r; *r = 0; // temporarily null-terminate path info
9719 *--q = 0; // strip of trailig ':' from name
9720 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9722 SendToProgram(buf,cps); // send egtbpath command for this format
9724 if(*p == ',') p++; // read away comma to position for next format name
9729 InitChessProgram (ChessProgramState *cps, int setup)
9730 /* setup needed to setup FRC opening position */
9732 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9733 if (appData.noChessProgram) return;
9734 hintRequested = FALSE;
9735 bookRequested = FALSE;
9737 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9738 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9739 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9740 if(cps->memSize) { /* [HGM] memory */
9741 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9742 SendToProgram(buf, cps);
9744 SendEgtPath(cps); /* [HGM] EGT */
9745 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9746 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9747 SendToProgram(buf, cps);
9750 SendToProgram(cps->initString, cps);
9751 if (gameInfo.variant != VariantNormal &&
9752 gameInfo.variant != VariantLoadable
9753 /* [HGM] also send variant if board size non-standard */
9754 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9756 char *v = VariantName(gameInfo.variant);
9757 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9758 /* [HGM] in protocol 1 we have to assume all variants valid */
9759 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9760 DisplayFatalError(buf, 0, 1);
9764 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9765 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9766 if( gameInfo.variant == VariantXiangqi )
9767 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9768 if( gameInfo.variant == VariantShogi )
9769 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9770 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9771 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9772 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9773 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9774 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9775 if( gameInfo.variant == VariantCourier )
9776 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9777 if( gameInfo.variant == VariantSuper )
9778 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9779 if( gameInfo.variant == VariantGreat )
9780 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9781 if( gameInfo.variant == VariantSChess )
9782 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9783 if( gameInfo.variant == VariantGrand )
9784 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9787 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9788 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9789 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9790 if(StrStr(cps->variants, b) == NULL) {
9791 // specific sized variant not known, check if general sizing allowed
9792 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9793 if(StrStr(cps->variants, "boardsize") == NULL) {
9794 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9795 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9796 DisplayFatalError(buf, 0, 1);
9799 /* [HGM] here we really should compare with the maximum supported board size */
9802 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9803 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9804 SendToProgram(buf, cps);
9806 currentlyInitializedVariant = gameInfo.variant;
9808 /* [HGM] send opening position in FRC to first engine */
9810 SendToProgram("force\n", cps);
9812 /* engine is now in force mode! Set flag to wake it up after first move. */
9813 setboardSpoiledMachineBlack = 1;
9817 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9818 SendToProgram(buf, cps);
9820 cps->maybeThinking = FALSE;
9821 cps->offeredDraw = 0;
9822 if (!appData.icsActive) {
9823 SendTimeControl(cps, movesPerSession, timeControl,
9824 timeIncrement, appData.searchDepth,
9827 if (appData.showThinking
9828 // [HGM] thinking: four options require thinking output to be sent
9829 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9831 SendToProgram("post\n", cps);
9833 SendToProgram("hard\n", cps);
9834 if (!appData.ponderNextMove) {
9835 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9836 it without being sure what state we are in first. "hard"
9837 is not a toggle, so that one is OK.
9839 SendToProgram("easy\n", cps);
9842 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9843 SendToProgram(buf, cps);
9845 cps->initDone = TRUE;
9846 ClearEngineOutputPane(cps == &second);
9851 StartChessProgram (ChessProgramState *cps)
9856 if (appData.noChessProgram) return;
9857 cps->initDone = FALSE;
9859 if (strcmp(cps->host, "localhost") == 0) {
9860 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9861 } else if (*appData.remoteShell == NULLCHAR) {
9862 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9864 if (*appData.remoteUser == NULLCHAR) {
9865 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9868 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9869 cps->host, appData.remoteUser, cps->program);
9871 err = StartChildProcess(buf, "", &cps->pr);
9875 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9876 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9877 if(cps != &first) return;
9878 appData.noChessProgram = TRUE;
9881 // DisplayFatalError(buf, err, 1);
9882 // cps->pr = NoProc;
9887 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9888 if (cps->protocolVersion > 1) {
9889 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9890 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9891 cps->comboCnt = 0; // and values of combo boxes
9892 SendToProgram(buf, cps);
9894 SendToProgram("xboard\n", cps);
9899 TwoMachinesEventIfReady P((void))
9901 static int curMess = 0;
9902 if (first.lastPing != first.lastPong) {
9903 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9904 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9907 if (second.lastPing != second.lastPong) {
9908 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9909 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9912 DisplayMessage("", ""); curMess = 0;
9918 MakeName (char *template)
9922 static char buf[MSG_SIZ];
9926 clock = time((time_t *)NULL);
9927 tm = localtime(&clock);
9929 while(*p++ = *template++) if(p[-1] == '%') {
9930 switch(*template++) {
9931 case 0: *p = 0; return buf;
9932 case 'Y': i = tm->tm_year+1900; break;
9933 case 'y': i = tm->tm_year-100; break;
9934 case 'M': i = tm->tm_mon+1; break;
9935 case 'd': i = tm->tm_mday; break;
9936 case 'h': i = tm->tm_hour; break;
9937 case 'm': i = tm->tm_min; break;
9938 case 's': i = tm->tm_sec; break;
9941 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9947 CountPlayers (char *p)
9950 while(p = strchr(p, '\n')) p++, n++; // count participants
9955 WriteTourneyFile (char *results, FILE *f)
9956 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9957 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9958 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9959 // create a file with tournament description
9960 fprintf(f, "-participants {%s}\n", appData.participants);
9961 fprintf(f, "-seedBase %d\n", appData.seedBase);
9962 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9963 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9964 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9965 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9966 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9967 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9968 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9969 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9970 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9971 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9972 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9973 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9975 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9977 fprintf(f, "-mps %d\n", appData.movesPerSession);
9978 fprintf(f, "-tc %s\n", appData.timeControl);
9979 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9981 fprintf(f, "-results \"%s\"\n", results);
9986 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9989 Substitute (char *participants, int expunge)
9991 int i, changed, changes=0, nPlayers=0;
9992 char *p, *q, *r, buf[MSG_SIZ];
9993 if(participants == NULL) return;
9994 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9995 r = p = participants; q = appData.participants;
9996 while(*p && *p == *q) {
9997 if(*p == '\n') r = p+1, nPlayers++;
10000 if(*p) { // difference
10001 while(*p && *p++ != '\n');
10002 while(*q && *q++ != '\n');
10003 changed = nPlayers;
10004 changes = 1 + (strcmp(p, q) != 0);
10006 if(changes == 1) { // a single engine mnemonic was changed
10007 q = r; while(*q) nPlayers += (*q++ == '\n');
10008 p = buf; while(*r && (*p = *r++) != '\n') p++;
10010 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10011 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10012 if(mnemonic[i]) { // The substitute is valid
10014 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10015 flock(fileno(f), LOCK_EX);
10016 ParseArgsFromFile(f);
10017 fseek(f, 0, SEEK_SET);
10018 FREE(appData.participants); appData.participants = participants;
10019 if(expunge) { // erase results of replaced engine
10020 int len = strlen(appData.results), w, b, dummy;
10021 for(i=0; i<len; i++) {
10022 Pairing(i, nPlayers, &w, &b, &dummy);
10023 if((w == changed || b == changed) && appData.results[i] == '*') {
10024 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10029 for(i=0; i<len; i++) {
10030 Pairing(i, nPlayers, &w, &b, &dummy);
10031 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10034 WriteTourneyFile(appData.results, f);
10035 fclose(f); // release lock
10038 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10040 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10041 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10042 free(participants);
10047 CreateTourney (char *name)
10050 if(matchMode && strcmp(name, appData.tourneyFile)) {
10051 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10053 if(name[0] == NULLCHAR) {
10054 if(appData.participants[0])
10055 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10058 f = fopen(name, "r");
10059 if(f) { // file exists
10060 ASSIGN(appData.tourneyFile, name);
10061 ParseArgsFromFile(f); // parse it
10063 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10064 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10065 DisplayError(_("Not enough participants"), 0);
10068 ASSIGN(appData.tourneyFile, name);
10069 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10070 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10073 appData.noChessProgram = FALSE;
10074 appData.clockMode = TRUE;
10080 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10082 char buf[MSG_SIZ], *p, *q;
10083 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10084 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10085 skip = !all && group[0]; // if group requested, we start in skip mode
10086 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10087 p = names; q = buf; header = 0;
10088 while(*p && *p != '\n') *q++ = *p++;
10090 if(*p == '\n') p++;
10091 if(buf[0] == '#') {
10092 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10093 depth++; // we must be entering a new group
10094 if(all) continue; // suppress printing group headers when complete list requested
10096 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10098 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10099 if(engineList[i]) free(engineList[i]);
10100 engineList[i] = strdup(buf);
10101 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10102 if(engineMnemonic[i]) free(engineMnemonic[i]);
10103 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10105 sscanf(q + 8, "%s", buf + strlen(buf));
10108 engineMnemonic[i] = strdup(buf);
10111 engineList[i] = engineMnemonic[i] = NULL;
10115 // following implemented as macro to avoid type limitations
10116 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10119 SwapEngines (int n)
10120 { // swap settings for first engine and other engine (so far only some selected options)
10125 SWAP(chessProgram, p)
10127 SWAP(hasOwnBookUCI, h)
10128 SWAP(protocolVersion, h)
10130 SWAP(scoreIsAbsolute, h)
10135 SWAP(engOptions, p)
10136 SWAP(engInitString, p)
10137 SWAP(computerString, p)
10139 SWAP(fenOverride, p)
10141 SWAP(accumulateTC, h)
10146 SetPlayer (int player, char *p)
10147 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10149 char buf[MSG_SIZ], *engineName;
10150 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10151 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10152 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10154 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10155 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10156 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10157 ParseArgsFromString(buf);
10163 char *recentEngines;
10166 RecentEngineEvent (int nr)
10169 // SwapEngines(1); // bump first to second
10170 // ReplaceEngine(&second, 1); // and load it there
10171 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10172 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10173 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10174 ReplaceEngine(&first, 0);
10175 FloatToFront(&appData.recentEngineList, command[n]);
10180 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10181 { // determine players from game number
10182 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10184 if(appData.tourneyType == 0) {
10185 roundsPerCycle = (nPlayers - 1) | 1;
10186 pairingsPerRound = nPlayers / 2;
10187 } else if(appData.tourneyType > 0) {
10188 roundsPerCycle = nPlayers - appData.tourneyType;
10189 pairingsPerRound = appData.tourneyType;
10191 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10192 gamesPerCycle = gamesPerRound * roundsPerCycle;
10193 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10194 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10195 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10196 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10197 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10198 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10200 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10201 if(appData.roundSync) *syncInterval = gamesPerRound;
10203 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10205 if(appData.tourneyType == 0) {
10206 if(curPairing == (nPlayers-1)/2 ) {
10207 *whitePlayer = curRound;
10208 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10210 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10211 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10212 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10213 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10215 } else if(appData.tourneyType > 1) {
10216 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10217 *whitePlayer = curRound + appData.tourneyType;
10218 } else if(appData.tourneyType > 0) {
10219 *whitePlayer = curPairing;
10220 *blackPlayer = curRound + appData.tourneyType;
10223 // take care of white/black alternation per round.
10224 // For cycles and games this is already taken care of by default, derived from matchGame!
10225 return curRound & 1;
10229 NextTourneyGame (int nr, int *swapColors)
10230 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10232 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10234 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10235 tf = fopen(appData.tourneyFile, "r");
10236 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10237 ParseArgsFromFile(tf); fclose(tf);
10238 InitTimeControls(); // TC might be altered from tourney file
10240 nPlayers = CountPlayers(appData.participants); // count participants
10241 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10242 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10245 p = q = appData.results;
10246 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10247 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10248 DisplayMessage(_("Waiting for other game(s)"),"");
10249 waitingForGame = TRUE;
10250 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10253 waitingForGame = FALSE;
10256 if(appData.tourneyType < 0) {
10257 if(nr>=0 && !pairingReceived) {
10259 if(pairing.pr == NoProc) {
10260 if(!appData.pairingEngine[0]) {
10261 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10264 StartChessProgram(&pairing); // starts the pairing engine
10266 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10267 SendToProgram(buf, &pairing);
10268 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10269 SendToProgram(buf, &pairing);
10270 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10272 pairingReceived = 0; // ... so we continue here
10274 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10275 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10276 matchGame = 1; roundNr = nr / syncInterval + 1;
10279 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10281 // redefine engines, engine dir, etc.
10282 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10283 if(first.pr == NoProc) {
10284 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10285 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10287 if(second.pr == NoProc) {
10289 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10290 SwapEngines(1); // and make that valid for second engine by swapping
10291 InitEngine(&second, 1);
10293 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10294 UpdateLogos(FALSE); // leave display to ModeHiglight()
10300 { // performs game initialization that does not invoke engines, and then tries to start the game
10301 int res, firstWhite, swapColors = 0;
10302 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10303 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
10305 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10306 if(strcmp(buf, currentDebugFile)) { // name has changed
10307 FILE *f = fopen(buf, "w");
10308 if(f) { // if opening the new file failed, just keep using the old one
10309 ASSIGN(currentDebugFile, buf);
10313 if(appData.serverFileName) {
10314 if(serverFP) fclose(serverFP);
10315 serverFP = fopen(appData.serverFileName, "w");
10316 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10317 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10321 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10322 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10323 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10324 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10325 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10326 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10327 Reset(FALSE, first.pr != NoProc);
10328 res = LoadGameOrPosition(matchGame); // setup game
10329 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10330 if(!res) return; // abort when bad game/pos file
10331 TwoMachinesEvent();
10335 UserAdjudicationEvent (int result)
10337 ChessMove gameResult = GameIsDrawn;
10340 gameResult = WhiteWins;
10342 else if( result < 0 ) {
10343 gameResult = BlackWins;
10346 if( gameMode == TwoMachinesPlay ) {
10347 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10352 // [HGM] save: calculate checksum of game to make games easily identifiable
10354 StringCheckSum (char *s)
10357 if(s==NULL) return 0;
10358 while(*s) i = i*259 + *s++;
10366 for(i=backwardMostMove; i<forwardMostMove; i++) {
10367 sum += pvInfoList[i].depth;
10368 sum += StringCheckSum(parseList[i]);
10369 sum += StringCheckSum(commentList[i]);
10372 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10373 return sum + StringCheckSum(commentList[i]);
10374 } // end of save patch
10377 GameEnds (ChessMove result, char *resultDetails, int whosays)
10379 GameMode nextGameMode;
10381 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10383 if(endingGame) return; /* [HGM] crash: forbid recursion */
10385 if(twoBoards) { // [HGM] dual: switch back to one board
10386 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10387 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10389 if (appData.debugMode) {
10390 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10391 result, resultDetails ? resultDetails : "(null)", whosays);
10394 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10396 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10397 /* If we are playing on ICS, the server decides when the
10398 game is over, but the engine can offer to draw, claim
10402 if (appData.zippyPlay && first.initDone) {
10403 if (result == GameIsDrawn) {
10404 /* In case draw still needs to be claimed */
10405 SendToICS(ics_prefix);
10406 SendToICS("draw\n");
10407 } else if (StrCaseStr(resultDetails, "resign")) {
10408 SendToICS(ics_prefix);
10409 SendToICS("resign\n");
10413 endingGame = 0; /* [HGM] crash */
10417 /* If we're loading the game from a file, stop */
10418 if (whosays == GE_FILE) {
10419 (void) StopLoadGameTimer();
10423 /* Cancel draw offers */
10424 first.offeredDraw = second.offeredDraw = 0;
10426 /* If this is an ICS game, only ICS can really say it's done;
10427 if not, anyone can. */
10428 isIcsGame = (gameMode == IcsPlayingWhite ||
10429 gameMode == IcsPlayingBlack ||
10430 gameMode == IcsObserving ||
10431 gameMode == IcsExamining);
10433 if (!isIcsGame || whosays == GE_ICS) {
10434 /* OK -- not an ICS game, or ICS said it was done */
10436 if (!isIcsGame && !appData.noChessProgram)
10437 SetUserThinkingEnables();
10439 /* [HGM] if a machine claims the game end we verify this claim */
10440 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10441 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10443 ChessMove trueResult = (ChessMove) -1;
10445 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10446 first.twoMachinesColor[0] :
10447 second.twoMachinesColor[0] ;
10449 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10450 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10451 /* [HGM] verify: engine mate claims accepted if they were flagged */
10452 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10454 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10455 /* [HGM] verify: engine mate claims accepted if they were flagged */
10456 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10458 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10459 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10462 // now verify win claims, but not in drop games, as we don't understand those yet
10463 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10464 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10465 (result == WhiteWins && claimer == 'w' ||
10466 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10467 if (appData.debugMode) {
10468 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10469 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10471 if(result != trueResult) {
10472 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10473 result = claimer == 'w' ? BlackWins : WhiteWins;
10474 resultDetails = buf;
10477 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10478 && (forwardMostMove <= backwardMostMove ||
10479 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10480 (claimer=='b')==(forwardMostMove&1))
10482 /* [HGM] verify: draws that were not flagged are false claims */
10483 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10484 result = claimer == 'w' ? BlackWins : WhiteWins;
10485 resultDetails = buf;
10487 /* (Claiming a loss is accepted no questions asked!) */
10489 /* [HGM] bare: don't allow bare King to win */
10490 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10491 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10492 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10493 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10494 && result != GameIsDrawn)
10495 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10496 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10497 int p = (signed char)boards[forwardMostMove][i][j] - color;
10498 if(p >= 0 && p <= (int)WhiteKing) k++;
10500 if (appData.debugMode) {
10501 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10502 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10505 result = GameIsDrawn;
10506 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10507 resultDetails = buf;
10513 if(serverMoves != NULL && !loadFlag) { char c = '=';
10514 if(result==WhiteWins) c = '+';
10515 if(result==BlackWins) c = '-';
10516 if(resultDetails != NULL)
10517 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10519 if (resultDetails != NULL) {
10520 gameInfo.result = result;
10521 gameInfo.resultDetails = StrSave(resultDetails);
10523 /* display last move only if game was not loaded from file */
10524 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10525 DisplayMove(currentMove - 1);
10527 if (forwardMostMove != 0) {
10528 if (gameMode != PlayFromGameFile && gameMode != EditGame
10529 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10531 if (*appData.saveGameFile != NULLCHAR) {
10532 SaveGameToFile(appData.saveGameFile, TRUE);
10533 } else if (appData.autoSaveGames) {
10536 if (*appData.savePositionFile != NULLCHAR) {
10537 SavePositionToFile(appData.savePositionFile);
10542 /* Tell program how game ended in case it is learning */
10543 /* [HGM] Moved this to after saving the PGN, just in case */
10544 /* engine died and we got here through time loss. In that */
10545 /* case we will get a fatal error writing the pipe, which */
10546 /* would otherwise lose us the PGN. */
10547 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10548 /* output during GameEnds should never be fatal anymore */
10549 if (gameMode == MachinePlaysWhite ||
10550 gameMode == MachinePlaysBlack ||
10551 gameMode == TwoMachinesPlay ||
10552 gameMode == IcsPlayingWhite ||
10553 gameMode == IcsPlayingBlack ||
10554 gameMode == BeginningOfGame) {
10556 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10558 if (first.pr != NoProc) {
10559 SendToProgram(buf, &first);
10561 if (second.pr != NoProc &&
10562 gameMode == TwoMachinesPlay) {
10563 SendToProgram(buf, &second);
10568 if (appData.icsActive) {
10569 if (appData.quietPlay &&
10570 (gameMode == IcsPlayingWhite ||
10571 gameMode == IcsPlayingBlack)) {
10572 SendToICS(ics_prefix);
10573 SendToICS("set shout 1\n");
10575 nextGameMode = IcsIdle;
10576 ics_user_moved = FALSE;
10577 /* clean up premove. It's ugly when the game has ended and the
10578 * premove highlights are still on the board.
10581 gotPremove = FALSE;
10582 ClearPremoveHighlights();
10583 DrawPosition(FALSE, boards[currentMove]);
10585 if (whosays == GE_ICS) {
10588 if (gameMode == IcsPlayingWhite)
10590 else if(gameMode == IcsPlayingBlack)
10591 PlayIcsLossSound();
10594 if (gameMode == IcsPlayingBlack)
10596 else if(gameMode == IcsPlayingWhite)
10597 PlayIcsLossSound();
10600 PlayIcsDrawSound();
10603 PlayIcsUnfinishedSound();
10606 } else if (gameMode == EditGame ||
10607 gameMode == PlayFromGameFile ||
10608 gameMode == AnalyzeMode ||
10609 gameMode == AnalyzeFile) {
10610 nextGameMode = gameMode;
10612 nextGameMode = EndOfGame;
10617 nextGameMode = gameMode;
10620 if (appData.noChessProgram) {
10621 gameMode = nextGameMode;
10623 endingGame = 0; /* [HGM] crash */
10628 /* Put first chess program into idle state */
10629 if (first.pr != NoProc &&
10630 (gameMode == MachinePlaysWhite ||
10631 gameMode == MachinePlaysBlack ||
10632 gameMode == TwoMachinesPlay ||
10633 gameMode == IcsPlayingWhite ||
10634 gameMode == IcsPlayingBlack ||
10635 gameMode == BeginningOfGame)) {
10636 SendToProgram("force\n", &first);
10637 if (first.usePing) {
10639 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10640 SendToProgram(buf, &first);
10643 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10644 /* Kill off first chess program */
10645 if (first.isr != NULL)
10646 RemoveInputSource(first.isr);
10649 if (first.pr != NoProc) {
10651 DoSleep( appData.delayBeforeQuit );
10652 SendToProgram("quit\n", &first);
10653 DoSleep( appData.delayAfterQuit );
10654 DestroyChildProcess(first.pr, first.useSigterm);
10658 if (second.reuse) {
10659 /* Put second chess program into idle state */
10660 if (second.pr != NoProc &&
10661 gameMode == TwoMachinesPlay) {
10662 SendToProgram("force\n", &second);
10663 if (second.usePing) {
10665 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10666 SendToProgram(buf, &second);
10669 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10670 /* Kill off second chess program */
10671 if (second.isr != NULL)
10672 RemoveInputSource(second.isr);
10675 if (second.pr != NoProc) {
10676 DoSleep( appData.delayBeforeQuit );
10677 SendToProgram("quit\n", &second);
10678 DoSleep( appData.delayAfterQuit );
10679 DestroyChildProcess(second.pr, second.useSigterm);
10681 second.pr = NoProc;
10684 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10685 char resChar = '=';
10689 if (first.twoMachinesColor[0] == 'w') {
10692 second.matchWins++;
10697 if (first.twoMachinesColor[0] == 'b') {
10700 second.matchWins++;
10703 case GameUnfinished:
10709 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10710 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10711 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10712 ReserveGame(nextGame, resChar); // sets nextGame
10713 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10714 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10715 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10717 if (nextGame <= appData.matchGames && !abortMatch) {
10718 gameMode = nextGameMode;
10719 matchGame = nextGame; // this will be overruled in tourney mode!
10720 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10721 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10722 endingGame = 0; /* [HGM] crash */
10725 gameMode = nextGameMode;
10726 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10727 first.tidy, second.tidy,
10728 first.matchWins, second.matchWins,
10729 appData.matchGames - (first.matchWins + second.matchWins));
10730 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10731 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10732 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10733 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10734 first.twoMachinesColor = "black\n";
10735 second.twoMachinesColor = "white\n";
10737 first.twoMachinesColor = "white\n";
10738 second.twoMachinesColor = "black\n";
10742 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10743 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10745 gameMode = nextGameMode;
10747 endingGame = 0; /* [HGM] crash */
10748 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10749 if(matchMode == TRUE) { // match through command line: exit with or without popup
10751 ToNrEvent(forwardMostMove);
10752 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10754 } else DisplayFatalError(buf, 0, 0);
10755 } else { // match through menu; just stop, with or without popup
10756 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10759 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10760 } else DisplayNote(buf);
10762 if(ranking) free(ranking);
10766 /* Assumes program was just initialized (initString sent).
10767 Leaves program in force mode. */
10769 FeedMovesToProgram (ChessProgramState *cps, int upto)
10773 if (appData.debugMode)
10774 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10775 startedFromSetupPosition ? "position and " : "",
10776 backwardMostMove, upto, cps->which);
10777 if(currentlyInitializedVariant != gameInfo.variant) {
10779 // [HGM] variantswitch: make engine aware of new variant
10780 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10781 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10782 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10783 SendToProgram(buf, cps);
10784 currentlyInitializedVariant = gameInfo.variant;
10786 SendToProgram("force\n", cps);
10787 if (startedFromSetupPosition) {
10788 SendBoard(cps, backwardMostMove);
10789 if (appData.debugMode) {
10790 fprintf(debugFP, "feedMoves\n");
10793 for (i = backwardMostMove; i < upto; i++) {
10794 SendMoveToProgram(i, cps);
10800 ResurrectChessProgram ()
10802 /* The chess program may have exited.
10803 If so, restart it and feed it all the moves made so far. */
10804 static int doInit = 0;
10806 if (appData.noChessProgram) return 1;
10808 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10809 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10810 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10811 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10813 if (first.pr != NoProc) return 1;
10814 StartChessProgram(&first);
10816 InitChessProgram(&first, FALSE);
10817 FeedMovesToProgram(&first, currentMove);
10819 if (!first.sendTime) {
10820 /* can't tell gnuchess what its clock should read,
10821 so we bow to its notion. */
10823 timeRemaining[0][currentMove] = whiteTimeRemaining;
10824 timeRemaining[1][currentMove] = blackTimeRemaining;
10827 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10828 appData.icsEngineAnalyze) && first.analysisSupport) {
10829 SendToProgram("analyze\n", &first);
10830 first.analyzing = TRUE;
10836 * Button procedures
10839 Reset (int redraw, int init)
10843 if (appData.debugMode) {
10844 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10845 redraw, init, gameMode);
10847 CleanupTail(); // [HGM] vari: delete any stored variations
10848 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10849 pausing = pauseExamInvalid = FALSE;
10850 startedFromSetupPosition = blackPlaysFirst = FALSE;
10852 whiteFlag = blackFlag = FALSE;
10853 userOfferedDraw = FALSE;
10854 hintRequested = bookRequested = FALSE;
10855 first.maybeThinking = FALSE;
10856 second.maybeThinking = FALSE;
10857 first.bookSuspend = FALSE; // [HGM] book
10858 second.bookSuspend = FALSE;
10859 thinkOutput[0] = NULLCHAR;
10860 lastHint[0] = NULLCHAR;
10861 ClearGameInfo(&gameInfo);
10862 gameInfo.variant = StringToVariant(appData.variant);
10863 ics_user_moved = ics_clock_paused = FALSE;
10864 ics_getting_history = H_FALSE;
10866 white_holding[0] = black_holding[0] = NULLCHAR;
10867 ClearProgramStats();
10868 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10872 flipView = appData.flipView;
10873 ClearPremoveHighlights();
10874 gotPremove = FALSE;
10875 alarmSounded = FALSE;
10877 GameEnds(EndOfFile, NULL, GE_PLAYER);
10878 if(appData.serverMovesName != NULL) {
10879 /* [HGM] prepare to make moves file for broadcasting */
10880 clock_t t = clock();
10881 if(serverMoves != NULL) fclose(serverMoves);
10882 serverMoves = fopen(appData.serverMovesName, "r");
10883 if(serverMoves != NULL) {
10884 fclose(serverMoves);
10885 /* delay 15 sec before overwriting, so all clients can see end */
10886 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10888 serverMoves = fopen(appData.serverMovesName, "w");
10892 gameMode = BeginningOfGame;
10894 if(appData.icsActive) gameInfo.variant = VariantNormal;
10895 currentMove = forwardMostMove = backwardMostMove = 0;
10896 MarkTargetSquares(1);
10897 InitPosition(redraw);
10898 for (i = 0; i < MAX_MOVES; i++) {
10899 if (commentList[i] != NULL) {
10900 free(commentList[i]);
10901 commentList[i] = NULL;
10905 timeRemaining[0][0] = whiteTimeRemaining;
10906 timeRemaining[1][0] = blackTimeRemaining;
10908 if (first.pr == NoProc) {
10909 StartChessProgram(&first);
10912 InitChessProgram(&first, startedFromSetupPosition);
10915 DisplayMessage("", "");
10916 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10917 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10918 ClearMap(); // [HGM] exclude: invalidate map
10922 AutoPlayGameLoop ()
10925 if (!AutoPlayOneMove())
10927 if (matchMode || appData.timeDelay == 0)
10929 if (appData.timeDelay < 0)
10931 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10940 int fromX, fromY, toX, toY;
10942 if (appData.debugMode) {
10943 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10946 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10949 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10950 pvInfoList[currentMove].depth = programStats.depth;
10951 pvInfoList[currentMove].score = programStats.score;
10952 pvInfoList[currentMove].time = 0;
10953 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10956 if (currentMove >= forwardMostMove) {
10957 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10958 // gameMode = EndOfGame;
10959 // ModeHighlight();
10961 /* [AS] Clear current move marker at the end of a game */
10962 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10967 toX = moveList[currentMove][2] - AAA;
10968 toY = moveList[currentMove][3] - ONE;
10970 if (moveList[currentMove][1] == '@') {
10971 if (appData.highlightLastMove) {
10972 SetHighlights(-1, -1, toX, toY);
10975 fromX = moveList[currentMove][0] - AAA;
10976 fromY = moveList[currentMove][1] - ONE;
10978 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10980 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10982 if (appData.highlightLastMove) {
10983 SetHighlights(fromX, fromY, toX, toY);
10986 DisplayMove(currentMove);
10987 SendMoveToProgram(currentMove++, &first);
10988 DisplayBothClocks();
10989 DrawPosition(FALSE, boards[currentMove]);
10990 // [HGM] PV info: always display, routine tests if empty
10991 DisplayComment(currentMove - 1, commentList[currentMove]);
10997 LoadGameOneMove (ChessMove readAhead)
10999 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11000 char promoChar = NULLCHAR;
11001 ChessMove moveType;
11002 char move[MSG_SIZ];
11005 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11006 gameMode != AnalyzeMode && gameMode != Training) {
11011 yyboardindex = forwardMostMove;
11012 if (readAhead != EndOfFile) {
11013 moveType = readAhead;
11015 if (gameFileFP == NULL)
11017 moveType = (ChessMove) Myylex();
11021 switch (moveType) {
11023 if (appData.debugMode)
11024 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11027 /* append the comment but don't display it */
11028 AppendComment(currentMove, p, FALSE);
11031 case WhiteCapturesEnPassant:
11032 case BlackCapturesEnPassant:
11033 case WhitePromotion:
11034 case BlackPromotion:
11035 case WhiteNonPromotion:
11036 case BlackNonPromotion:
11038 case WhiteKingSideCastle:
11039 case WhiteQueenSideCastle:
11040 case BlackKingSideCastle:
11041 case BlackQueenSideCastle:
11042 case WhiteKingSideCastleWild:
11043 case WhiteQueenSideCastleWild:
11044 case BlackKingSideCastleWild:
11045 case BlackQueenSideCastleWild:
11047 case WhiteHSideCastleFR:
11048 case WhiteASideCastleFR:
11049 case BlackHSideCastleFR:
11050 case BlackASideCastleFR:
11052 if (appData.debugMode)
11053 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11054 fromX = currentMoveString[0] - AAA;
11055 fromY = currentMoveString[1] - ONE;
11056 toX = currentMoveString[2] - AAA;
11057 toY = currentMoveString[3] - ONE;
11058 promoChar = currentMoveString[4];
11063 if (appData.debugMode)
11064 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11065 fromX = moveType == WhiteDrop ?
11066 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11067 (int) CharToPiece(ToLower(currentMoveString[0]));
11069 toX = currentMoveString[2] - AAA;
11070 toY = currentMoveString[3] - ONE;
11076 case GameUnfinished:
11077 if (appData.debugMode)
11078 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11079 p = strchr(yy_text, '{');
11080 if (p == NULL) p = strchr(yy_text, '(');
11083 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11085 q = strchr(p, *p == '{' ? '}' : ')');
11086 if (q != NULL) *q = NULLCHAR;
11089 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11090 GameEnds(moveType, p, GE_FILE);
11092 if (cmailMsgLoaded) {
11094 flipView = WhiteOnMove(currentMove);
11095 if (moveType == GameUnfinished) flipView = !flipView;
11096 if (appData.debugMode)
11097 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11102 if (appData.debugMode)
11103 fprintf(debugFP, "Parser hit end of file\n");
11104 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11110 if (WhiteOnMove(currentMove)) {
11111 GameEnds(BlackWins, "Black mates", GE_FILE);
11113 GameEnds(WhiteWins, "White mates", GE_FILE);
11117 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11123 case MoveNumberOne:
11124 if (lastLoadGameStart == GNUChessGame) {
11125 /* GNUChessGames have numbers, but they aren't move numbers */
11126 if (appData.debugMode)
11127 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11128 yy_text, (int) moveType);
11129 return LoadGameOneMove(EndOfFile); /* tail recursion */
11131 /* else fall thru */
11136 /* Reached start of next game in file */
11137 if (appData.debugMode)
11138 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11139 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11145 if (WhiteOnMove(currentMove)) {
11146 GameEnds(BlackWins, "Black mates", GE_FILE);
11148 GameEnds(WhiteWins, "White mates", GE_FILE);
11152 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11158 case PositionDiagram: /* should not happen; ignore */
11159 case ElapsedTime: /* ignore */
11160 case NAG: /* ignore */
11161 if (appData.debugMode)
11162 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11163 yy_text, (int) moveType);
11164 return LoadGameOneMove(EndOfFile); /* tail recursion */
11167 if (appData.testLegality) {
11168 if (appData.debugMode)
11169 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11170 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11171 (forwardMostMove / 2) + 1,
11172 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11173 DisplayError(move, 0);
11176 if (appData.debugMode)
11177 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11178 yy_text, currentMoveString);
11179 fromX = currentMoveString[0] - AAA;
11180 fromY = currentMoveString[1] - ONE;
11181 toX = currentMoveString[2] - AAA;
11182 toY = currentMoveString[3] - ONE;
11183 promoChar = currentMoveString[4];
11187 case AmbiguousMove:
11188 if (appData.debugMode)
11189 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11190 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11191 (forwardMostMove / 2) + 1,
11192 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11193 DisplayError(move, 0);
11198 case ImpossibleMove:
11199 if (appData.debugMode)
11200 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11201 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11202 (forwardMostMove / 2) + 1,
11203 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11204 DisplayError(move, 0);
11210 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11211 DrawPosition(FALSE, boards[currentMove]);
11212 DisplayBothClocks();
11213 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11214 DisplayComment(currentMove - 1, commentList[currentMove]);
11216 (void) StopLoadGameTimer();
11218 cmailOldMove = forwardMostMove;
11221 /* currentMoveString is set as a side-effect of yylex */
11223 thinkOutput[0] = NULLCHAR;
11224 MakeMove(fromX, fromY, toX, toY, promoChar);
11225 currentMove = forwardMostMove;
11230 /* Load the nth game from the given file */
11232 LoadGameFromFile (char *filename, int n, char *title, int useList)
11237 if (strcmp(filename, "-") == 0) {
11241 f = fopen(filename, "rb");
11243 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11244 DisplayError(buf, errno);
11248 if (fseek(f, 0, 0) == -1) {
11249 /* f is not seekable; probably a pipe */
11252 if (useList && n == 0) {
11253 int error = GameListBuild(f);
11255 DisplayError(_("Cannot build game list"), error);
11256 } else if (!ListEmpty(&gameList) &&
11257 ((ListGame *) gameList.tailPred)->number > 1) {
11258 GameListPopUp(f, title);
11265 return LoadGame(f, n, title, FALSE);
11270 MakeRegisteredMove ()
11272 int fromX, fromY, toX, toY;
11274 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11275 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11278 if (appData.debugMode)
11279 fprintf(debugFP, "Restoring %s for game %d\n",
11280 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11282 thinkOutput[0] = NULLCHAR;
11283 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11284 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11285 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11286 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11287 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11288 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11289 MakeMove(fromX, fromY, toX, toY, promoChar);
11290 ShowMove(fromX, fromY, toX, toY);
11292 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11299 if (WhiteOnMove(currentMove)) {
11300 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11302 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11307 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11314 if (WhiteOnMove(currentMove)) {
11315 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11317 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11322 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11333 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11335 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11339 if (gameNumber > nCmailGames) {
11340 DisplayError(_("No more games in this message"), 0);
11343 if (f == lastLoadGameFP) {
11344 int offset = gameNumber - lastLoadGameNumber;
11346 cmailMsg[0] = NULLCHAR;
11347 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11348 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11349 nCmailMovesRegistered--;
11351 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11352 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11353 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11356 if (! RegisterMove()) return FALSE;
11360 retVal = LoadGame(f, gameNumber, title, useList);
11362 /* Make move registered during previous look at this game, if any */
11363 MakeRegisteredMove();
11365 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11366 commentList[currentMove]
11367 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11368 DisplayComment(currentMove - 1, commentList[currentMove]);
11374 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11376 ReloadGame (int offset)
11378 int gameNumber = lastLoadGameNumber + offset;
11379 if (lastLoadGameFP == NULL) {
11380 DisplayError(_("No game has been loaded yet"), 0);
11383 if (gameNumber <= 0) {
11384 DisplayError(_("Can't back up any further"), 0);
11387 if (cmailMsgLoaded) {
11388 return CmailLoadGame(lastLoadGameFP, gameNumber,
11389 lastLoadGameTitle, lastLoadGameUseList);
11391 return LoadGame(lastLoadGameFP, gameNumber,
11392 lastLoadGameTitle, lastLoadGameUseList);
11396 int keys[EmptySquare+1];
11399 PositionMatches (Board b1, Board b2)
11402 switch(appData.searchMode) {
11403 case 1: return CompareWithRights(b1, b2);
11405 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11406 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11410 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11411 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11412 sum += keys[b1[r][f]] - keys[b2[r][f]];
11416 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11417 sum += keys[b1[r][f]] - keys[b2[r][f]];
11429 int pieceList[256], quickBoard[256];
11430 ChessSquare pieceType[256] = { EmptySquare };
11431 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11432 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11433 int soughtTotal, turn;
11434 Boolean epOK, flipSearch;
11437 unsigned char piece, to;
11440 #define DSIZE (250000)
11442 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11443 Move *moveDatabase = initialSpace;
11444 unsigned int movePtr, dataSize = DSIZE;
11447 MakePieceList (Board board, int *counts)
11449 int r, f, n=Q_PROMO, total=0;
11450 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11451 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11452 int sq = f + (r<<4);
11453 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11454 quickBoard[sq] = ++n;
11456 pieceType[n] = board[r][f];
11457 counts[board[r][f]]++;
11458 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11459 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11463 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11468 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11470 int sq = fromX + (fromY<<4);
11471 int piece = quickBoard[sq];
11472 quickBoard[sq] = 0;
11473 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11474 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11475 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11476 moveDatabase[movePtr++].piece = Q_WCASTL;
11477 quickBoard[sq] = piece;
11478 piece = quickBoard[from]; quickBoard[from] = 0;
11479 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11481 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11482 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11483 moveDatabase[movePtr++].piece = Q_BCASTL;
11484 quickBoard[sq] = piece;
11485 piece = quickBoard[from]; quickBoard[from] = 0;
11486 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11488 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11489 quickBoard[(fromY<<4)+toX] = 0;
11490 moveDatabase[movePtr].piece = Q_EP;
11491 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11492 moveDatabase[movePtr].to = sq;
11494 if(promoPiece != pieceType[piece]) {
11495 moveDatabase[movePtr++].piece = Q_PROMO;
11496 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11498 moveDatabase[movePtr].piece = piece;
11499 quickBoard[sq] = piece;
11504 PackGame (Board board)
11506 Move *newSpace = NULL;
11507 moveDatabase[movePtr].piece = 0; // terminate previous game
11508 if(movePtr > dataSize) {
11509 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11510 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11511 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11514 Move *p = moveDatabase, *q = newSpace;
11515 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11516 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11517 moveDatabase = newSpace;
11518 } else { // calloc failed, we must be out of memory. Too bad...
11519 dataSize = 0; // prevent calloc events for all subsequent games
11520 return 0; // and signal this one isn't cached
11524 MakePieceList(board, counts);
11529 QuickCompare (Board board, int *minCounts, int *maxCounts)
11530 { // compare according to search mode
11532 switch(appData.searchMode)
11534 case 1: // exact position match
11535 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11536 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11537 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11540 case 2: // can have extra material on empty squares
11541 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11542 if(board[r][f] == EmptySquare) continue;
11543 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11546 case 3: // material with exact Pawn structure
11547 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11548 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11549 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11550 } // fall through to material comparison
11551 case 4: // exact material
11552 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11554 case 6: // material range with given imbalance
11555 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11556 // fall through to range comparison
11557 case 5: // material range
11558 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11564 QuickScan (Board board, Move *move)
11565 { // reconstruct game,and compare all positions in it
11566 int cnt=0, stretch=0, total = MakePieceList(board, counts), delayedKing = -1;
11568 int piece = move->piece;
11569 int to = move->to, from = pieceList[piece];
11570 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11571 if(!piece) return -1;
11572 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11573 piece = (++move)->piece;
11574 from = pieceList[piece];
11575 counts[pieceType[piece]]--;
11576 pieceType[piece] = (ChessSquare) move->to;
11577 counts[move->to]++;
11578 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11579 counts[pieceType[quickBoard[to]]]--;
11580 quickBoard[to] = 0; total--;
11583 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11584 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11585 from = pieceList[piece]; // so this must be King
11586 quickBoard[from] = 0;
11587 pieceList[piece] = to;
11588 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11589 quickBoard[from] = 0; // rook
11590 quickBoard[to] = piece;
11591 to = move->to; piece = move->piece;
11595 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11596 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11597 quickBoard[from] = 0;
11599 quickBoard[to] = piece;
11600 pieceList[piece] = to;
11602 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11603 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11604 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11605 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11607 static int lastCounts[EmptySquare+1];
11609 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11610 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11611 } else stretch = 0;
11612 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11613 move++; delayedKing = -1;
11621 flipSearch = FALSE;
11622 CopyBoard(soughtBoard, boards[currentMove]);
11623 soughtTotal = MakePieceList(soughtBoard, maxSought);
11624 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11625 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11626 CopyBoard(reverseBoard, boards[currentMove]);
11627 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11628 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11629 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11630 reverseBoard[r][f] = piece;
11632 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11633 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11634 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11635 || (boards[currentMove][CASTLING][2] == NoRights ||
11636 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11637 && (boards[currentMove][CASTLING][5] == NoRights ||
11638 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11641 CopyBoard(flipBoard, soughtBoard);
11642 CopyBoard(rotateBoard, reverseBoard);
11643 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11644 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11645 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11648 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11649 if(appData.searchMode >= 5) {
11650 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11651 MakePieceList(soughtBoard, minSought);
11652 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11654 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11655 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11658 GameInfo dummyInfo;
11661 GameContainsPosition (FILE *f, ListGame *lg)
11663 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11664 int fromX, fromY, toX, toY;
11666 static int initDone=FALSE;
11668 // weed out games based on numerical tag comparison
11669 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11670 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11671 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11672 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11674 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11677 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11678 else CopyBoard(boards[scratch], initialPosition); // default start position
11681 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11682 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11685 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11686 fseek(f, lg->offset, 0);
11689 yyboardindex = scratch;
11690 quickFlag = plyNr+1;
11695 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11701 if(plyNr) return -1; // after we have seen moves, this is for new game
11704 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11705 case ImpossibleMove:
11706 case WhiteWins: // game ends here with these four
11709 case GameUnfinished:
11713 if(appData.testLegality) return -1;
11714 case WhiteCapturesEnPassant:
11715 case BlackCapturesEnPassant:
11716 case WhitePromotion:
11717 case BlackPromotion:
11718 case WhiteNonPromotion:
11719 case BlackNonPromotion:
11721 case WhiteKingSideCastle:
11722 case WhiteQueenSideCastle:
11723 case BlackKingSideCastle:
11724 case BlackQueenSideCastle:
11725 case WhiteKingSideCastleWild:
11726 case WhiteQueenSideCastleWild:
11727 case BlackKingSideCastleWild:
11728 case BlackQueenSideCastleWild:
11729 case WhiteHSideCastleFR:
11730 case WhiteASideCastleFR:
11731 case BlackHSideCastleFR:
11732 case BlackASideCastleFR:
11733 fromX = currentMoveString[0] - AAA;
11734 fromY = currentMoveString[1] - ONE;
11735 toX = currentMoveString[2] - AAA;
11736 toY = currentMoveString[3] - ONE;
11737 promoChar = currentMoveString[4];
11741 fromX = next == WhiteDrop ?
11742 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11743 (int) CharToPiece(ToLower(currentMoveString[0]));
11745 toX = currentMoveString[2] - AAA;
11746 toY = currentMoveString[3] - ONE;
11750 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11752 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11753 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11754 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11755 if(appData.findMirror) {
11756 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11757 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11762 /* Load the nth game from open file f */
11764 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11768 int gn = gameNumber;
11769 ListGame *lg = NULL;
11770 int numPGNTags = 0;
11772 GameMode oldGameMode;
11773 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11775 if (appData.debugMode)
11776 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11778 if (gameMode == Training )
11779 SetTrainingModeOff();
11781 oldGameMode = gameMode;
11782 if (gameMode != BeginningOfGame) {
11783 Reset(FALSE, TRUE);
11787 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11788 fclose(lastLoadGameFP);
11792 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11795 fseek(f, lg->offset, 0);
11796 GameListHighlight(gameNumber);
11797 pos = lg->position;
11801 DisplayError(_("Game number out of range"), 0);
11806 if (fseek(f, 0, 0) == -1) {
11807 if (f == lastLoadGameFP ?
11808 gameNumber == lastLoadGameNumber + 1 :
11812 DisplayError(_("Can't seek on game file"), 0);
11817 lastLoadGameFP = f;
11818 lastLoadGameNumber = gameNumber;
11819 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11820 lastLoadGameUseList = useList;
11824 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11825 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11826 lg->gameInfo.black);
11828 } else if (*title != NULLCHAR) {
11829 if (gameNumber > 1) {
11830 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11833 DisplayTitle(title);
11837 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11838 gameMode = PlayFromGameFile;
11842 currentMove = forwardMostMove = backwardMostMove = 0;
11843 CopyBoard(boards[0], initialPosition);
11847 * Skip the first gn-1 games in the file.
11848 * Also skip over anything that precedes an identifiable
11849 * start of game marker, to avoid being confused by
11850 * garbage at the start of the file. Currently
11851 * recognized start of game markers are the move number "1",
11852 * the pattern "gnuchess .* game", the pattern
11853 * "^[#;%] [^ ]* game file", and a PGN tag block.
11854 * A game that starts with one of the latter two patterns
11855 * will also have a move number 1, possibly
11856 * following a position diagram.
11857 * 5-4-02: Let's try being more lenient and allowing a game to
11858 * start with an unnumbered move. Does that break anything?
11860 cm = lastLoadGameStart = EndOfFile;
11862 yyboardindex = forwardMostMove;
11863 cm = (ChessMove) Myylex();
11866 if (cmailMsgLoaded) {
11867 nCmailGames = CMAIL_MAX_GAMES - gn;
11870 DisplayError(_("Game not found in file"), 0);
11877 lastLoadGameStart = cm;
11880 case MoveNumberOne:
11881 switch (lastLoadGameStart) {
11886 case MoveNumberOne:
11888 gn--; /* count this game */
11889 lastLoadGameStart = cm;
11898 switch (lastLoadGameStart) {
11901 case MoveNumberOne:
11903 gn--; /* count this game */
11904 lastLoadGameStart = cm;
11907 lastLoadGameStart = cm; /* game counted already */
11915 yyboardindex = forwardMostMove;
11916 cm = (ChessMove) Myylex();
11917 } while (cm == PGNTag || cm == Comment);
11924 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11925 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11926 != CMAIL_OLD_RESULT) {
11928 cmailResult[ CMAIL_MAX_GAMES
11929 - gn - 1] = CMAIL_OLD_RESULT;
11935 /* Only a NormalMove can be at the start of a game
11936 * without a position diagram. */
11937 if (lastLoadGameStart == EndOfFile ) {
11939 lastLoadGameStart = MoveNumberOne;
11948 if (appData.debugMode)
11949 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11951 if (cm == XBoardGame) {
11952 /* Skip any header junk before position diagram and/or move 1 */
11954 yyboardindex = forwardMostMove;
11955 cm = (ChessMove) Myylex();
11957 if (cm == EndOfFile ||
11958 cm == GNUChessGame || cm == XBoardGame) {
11959 /* Empty game; pretend end-of-file and handle later */
11964 if (cm == MoveNumberOne || cm == PositionDiagram ||
11965 cm == PGNTag || cm == Comment)
11968 } else if (cm == GNUChessGame) {
11969 if (gameInfo.event != NULL) {
11970 free(gameInfo.event);
11972 gameInfo.event = StrSave(yy_text);
11975 startedFromSetupPosition = FALSE;
11976 while (cm == PGNTag) {
11977 if (appData.debugMode)
11978 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11979 err = ParsePGNTag(yy_text, &gameInfo);
11980 if (!err) numPGNTags++;
11982 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11983 if(gameInfo.variant != oldVariant) {
11984 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11985 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11986 InitPosition(TRUE);
11987 oldVariant = gameInfo.variant;
11988 if (appData.debugMode)
11989 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11993 if (gameInfo.fen != NULL) {
11994 Board initial_position;
11995 startedFromSetupPosition = TRUE;
11996 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11998 DisplayError(_("Bad FEN position in file"), 0);
12001 CopyBoard(boards[0], initial_position);
12002 if (blackPlaysFirst) {
12003 currentMove = forwardMostMove = backwardMostMove = 1;
12004 CopyBoard(boards[1], initial_position);
12005 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12006 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12007 timeRemaining[0][1] = whiteTimeRemaining;
12008 timeRemaining[1][1] = blackTimeRemaining;
12009 if (commentList[0] != NULL) {
12010 commentList[1] = commentList[0];
12011 commentList[0] = NULL;
12014 currentMove = forwardMostMove = backwardMostMove = 0;
12016 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12018 initialRulePlies = FENrulePlies;
12019 for( i=0; i< nrCastlingRights; i++ )
12020 initialRights[i] = initial_position[CASTLING][i];
12022 yyboardindex = forwardMostMove;
12023 free(gameInfo.fen);
12024 gameInfo.fen = NULL;
12027 yyboardindex = forwardMostMove;
12028 cm = (ChessMove) Myylex();
12030 /* Handle comments interspersed among the tags */
12031 while (cm == Comment) {
12033 if (appData.debugMode)
12034 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12036 AppendComment(currentMove, p, FALSE);
12037 yyboardindex = forwardMostMove;
12038 cm = (ChessMove) Myylex();
12042 /* don't rely on existence of Event tag since if game was
12043 * pasted from clipboard the Event tag may not exist
12045 if (numPGNTags > 0){
12047 if (gameInfo.variant == VariantNormal) {
12048 VariantClass v = StringToVariant(gameInfo.event);
12049 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12050 if(v < VariantShogi) gameInfo.variant = v;
12053 if( appData.autoDisplayTags ) {
12054 tags = PGNTags(&gameInfo);
12055 TagsPopUp(tags, CmailMsg());
12060 /* Make something up, but don't display it now */
12065 if (cm == PositionDiagram) {
12068 Board initial_position;
12070 if (appData.debugMode)
12071 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12073 if (!startedFromSetupPosition) {
12075 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12076 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12087 initial_position[i][j++] = CharToPiece(*p);
12090 while (*p == ' ' || *p == '\t' ||
12091 *p == '\n' || *p == '\r') p++;
12093 if (strncmp(p, "black", strlen("black"))==0)
12094 blackPlaysFirst = TRUE;
12096 blackPlaysFirst = FALSE;
12097 startedFromSetupPosition = TRUE;
12099 CopyBoard(boards[0], initial_position);
12100 if (blackPlaysFirst) {
12101 currentMove = forwardMostMove = backwardMostMove = 1;
12102 CopyBoard(boards[1], initial_position);
12103 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12104 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12105 timeRemaining[0][1] = whiteTimeRemaining;
12106 timeRemaining[1][1] = blackTimeRemaining;
12107 if (commentList[0] != NULL) {
12108 commentList[1] = commentList[0];
12109 commentList[0] = NULL;
12112 currentMove = forwardMostMove = backwardMostMove = 0;
12115 yyboardindex = forwardMostMove;
12116 cm = (ChessMove) Myylex();
12119 if (first.pr == NoProc) {
12120 StartChessProgram(&first);
12122 InitChessProgram(&first, FALSE);
12123 SendToProgram("force\n", &first);
12124 if (startedFromSetupPosition) {
12125 SendBoard(&first, forwardMostMove);
12126 if (appData.debugMode) {
12127 fprintf(debugFP, "Load Game\n");
12129 DisplayBothClocks();
12132 /* [HGM] server: flag to write setup moves in broadcast file as one */
12133 loadFlag = appData.suppressLoadMoves;
12135 while (cm == Comment) {
12137 if (appData.debugMode)
12138 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12140 AppendComment(currentMove, p, FALSE);
12141 yyboardindex = forwardMostMove;
12142 cm = (ChessMove) Myylex();
12145 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12146 cm == WhiteWins || cm == BlackWins ||
12147 cm == GameIsDrawn || cm == GameUnfinished) {
12148 DisplayMessage("", _("No moves in game"));
12149 if (cmailMsgLoaded) {
12150 if (appData.debugMode)
12151 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12155 DrawPosition(FALSE, boards[currentMove]);
12156 DisplayBothClocks();
12157 gameMode = EditGame;
12164 // [HGM] PV info: routine tests if comment empty
12165 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12166 DisplayComment(currentMove - 1, commentList[currentMove]);
12168 if (!matchMode && appData.timeDelay != 0)
12169 DrawPosition(FALSE, boards[currentMove]);
12171 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12172 programStats.ok_to_send = 1;
12175 /* if the first token after the PGN tags is a move
12176 * and not move number 1, retrieve it from the parser
12178 if (cm != MoveNumberOne)
12179 LoadGameOneMove(cm);
12181 /* load the remaining moves from the file */
12182 while (LoadGameOneMove(EndOfFile)) {
12183 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12184 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12187 /* rewind to the start of the game */
12188 currentMove = backwardMostMove;
12190 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12192 if (oldGameMode == AnalyzeFile ||
12193 oldGameMode == AnalyzeMode) {
12194 AnalyzeFileEvent();
12197 if (!matchMode && pos > 0) {
12198 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12200 if (matchMode || appData.timeDelay == 0) {
12202 } else if (appData.timeDelay > 0) {
12203 AutoPlayGameLoop();
12206 if (appData.debugMode)
12207 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12209 loadFlag = 0; /* [HGM] true game starts */
12213 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12215 ReloadPosition (int offset)
12217 int positionNumber = lastLoadPositionNumber + offset;
12218 if (lastLoadPositionFP == NULL) {
12219 DisplayError(_("No position has been loaded yet"), 0);
12222 if (positionNumber <= 0) {
12223 DisplayError(_("Can't back up any further"), 0);
12226 return LoadPosition(lastLoadPositionFP, positionNumber,
12227 lastLoadPositionTitle);
12230 /* Load the nth position from the given file */
12232 LoadPositionFromFile (char *filename, int n, char *title)
12237 if (strcmp(filename, "-") == 0) {
12238 return LoadPosition(stdin, n, "stdin");
12240 f = fopen(filename, "rb");
12242 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12243 DisplayError(buf, errno);
12246 return LoadPosition(f, n, title);
12251 /* Load the nth position from the given open file, and close it */
12253 LoadPosition (FILE *f, int positionNumber, char *title)
12255 char *p, line[MSG_SIZ];
12256 Board initial_position;
12257 int i, j, fenMode, pn;
12259 if (gameMode == Training )
12260 SetTrainingModeOff();
12262 if (gameMode != BeginningOfGame) {
12263 Reset(FALSE, TRUE);
12265 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12266 fclose(lastLoadPositionFP);
12268 if (positionNumber == 0) positionNumber = 1;
12269 lastLoadPositionFP = f;
12270 lastLoadPositionNumber = positionNumber;
12271 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12272 if (first.pr == NoProc && !appData.noChessProgram) {
12273 StartChessProgram(&first);
12274 InitChessProgram(&first, FALSE);
12276 pn = positionNumber;
12277 if (positionNumber < 0) {
12278 /* Negative position number means to seek to that byte offset */
12279 if (fseek(f, -positionNumber, 0) == -1) {
12280 DisplayError(_("Can't seek on position file"), 0);
12285 if (fseek(f, 0, 0) == -1) {
12286 if (f == lastLoadPositionFP ?
12287 positionNumber == lastLoadPositionNumber + 1 :
12288 positionNumber == 1) {
12291 DisplayError(_("Can't seek on position file"), 0);
12296 /* See if this file is FEN or old-style xboard */
12297 if (fgets(line, MSG_SIZ, f) == NULL) {
12298 DisplayError(_("Position not found in file"), 0);
12301 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12302 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12305 if (fenMode || line[0] == '#') pn--;
12307 /* skip positions before number pn */
12308 if (fgets(line, MSG_SIZ, f) == NULL) {
12310 DisplayError(_("Position not found in file"), 0);
12313 if (fenMode || line[0] == '#') pn--;
12318 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12319 DisplayError(_("Bad FEN position in file"), 0);
12323 (void) fgets(line, MSG_SIZ, f);
12324 (void) fgets(line, MSG_SIZ, f);
12326 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12327 (void) fgets(line, MSG_SIZ, f);
12328 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12331 initial_position[i][j++] = CharToPiece(*p);
12335 blackPlaysFirst = FALSE;
12337 (void) fgets(line, MSG_SIZ, f);
12338 if (strncmp(line, "black", strlen("black"))==0)
12339 blackPlaysFirst = TRUE;
12342 startedFromSetupPosition = TRUE;
12344 CopyBoard(boards[0], initial_position);
12345 if (blackPlaysFirst) {
12346 currentMove = forwardMostMove = backwardMostMove = 1;
12347 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12348 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12349 CopyBoard(boards[1], initial_position);
12350 DisplayMessage("", _("Black to play"));
12352 currentMove = forwardMostMove = backwardMostMove = 0;
12353 DisplayMessage("", _("White to play"));
12355 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12356 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12357 SendToProgram("force\n", &first);
12358 SendBoard(&first, forwardMostMove);
12360 if (appData.debugMode) {
12362 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12363 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12364 fprintf(debugFP, "Load Position\n");
12367 if (positionNumber > 1) {
12368 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12369 DisplayTitle(line);
12371 DisplayTitle(title);
12373 gameMode = EditGame;
12376 timeRemaining[0][1] = whiteTimeRemaining;
12377 timeRemaining[1][1] = blackTimeRemaining;
12378 DrawPosition(FALSE, boards[currentMove]);
12385 CopyPlayerNameIntoFileName (char **dest, char *src)
12387 while (*src != NULLCHAR && *src != ',') {
12392 *(*dest)++ = *src++;
12398 DefaultFileName (char *ext)
12400 static char def[MSG_SIZ];
12403 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12405 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12407 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12409 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12416 /* Save the current game to the given file */
12418 SaveGameToFile (char *filename, int append)
12422 int result, i, t,tot=0;
12424 if (strcmp(filename, "-") == 0) {
12425 return SaveGame(stdout, 0, NULL);
12427 for(i=0; i<10; i++) { // upto 10 tries
12428 f = fopen(filename, append ? "a" : "w");
12429 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12430 if(f || errno != 13) break;
12431 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12435 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12436 DisplayError(buf, errno);
12439 safeStrCpy(buf, lastMsg, MSG_SIZ);
12440 DisplayMessage(_("Waiting for access to save file"), "");
12441 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12442 DisplayMessage(_("Saving game"), "");
12443 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12444 result = SaveGame(f, 0, NULL);
12445 DisplayMessage(buf, "");
12452 SavePart (char *str)
12454 static char buf[MSG_SIZ];
12457 p = strchr(str, ' ');
12458 if (p == NULL) return str;
12459 strncpy(buf, str, p - str);
12460 buf[p - str] = NULLCHAR;
12464 #define PGN_MAX_LINE 75
12466 #define PGN_SIDE_WHITE 0
12467 #define PGN_SIDE_BLACK 1
12470 FindFirstMoveOutOfBook (int side)
12474 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12475 int index = backwardMostMove;
12476 int has_book_hit = 0;
12478 if( (index % 2) != side ) {
12482 while( index < forwardMostMove ) {
12483 /* Check to see if engine is in book */
12484 int depth = pvInfoList[index].depth;
12485 int score = pvInfoList[index].score;
12491 else if( score == 0 && depth == 63 ) {
12492 in_book = 1; /* Zappa */
12494 else if( score == 2 && depth == 99 ) {
12495 in_book = 1; /* Abrok */
12498 has_book_hit += in_book;
12514 GetOutOfBookInfo (char * buf)
12518 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12520 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12521 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12525 if( oob[0] >= 0 || oob[1] >= 0 ) {
12526 for( i=0; i<2; i++ ) {
12530 if( i > 0 && oob[0] >= 0 ) {
12531 strcat( buf, " " );
12534 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12535 sprintf( buf+strlen(buf), "%s%.2f",
12536 pvInfoList[idx].score >= 0 ? "+" : "",
12537 pvInfoList[idx].score / 100.0 );
12543 /* Save game in PGN style and close the file */
12545 SaveGamePGN (FILE *f)
12547 int i, offset, linelen, newblock;
12551 int movelen, numlen, blank;
12552 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12554 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12556 tm = time((time_t *) NULL);
12558 PrintPGNTags(f, &gameInfo);
12560 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12562 if (backwardMostMove > 0 || startedFromSetupPosition) {
12563 char *fen = PositionToFEN(backwardMostMove, NULL);
12564 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12565 fprintf(f, "\n{--------------\n");
12566 PrintPosition(f, backwardMostMove);
12567 fprintf(f, "--------------}\n");
12571 /* [AS] Out of book annotation */
12572 if( appData.saveOutOfBookInfo ) {
12575 GetOutOfBookInfo( buf );
12577 if( buf[0] != '\0' ) {
12578 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12585 i = backwardMostMove;
12589 while (i < forwardMostMove) {
12590 /* Print comments preceding this move */
12591 if (commentList[i] != NULL) {
12592 if (linelen > 0) fprintf(f, "\n");
12593 fprintf(f, "%s", commentList[i]);
12598 /* Format move number */
12600 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12603 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12605 numtext[0] = NULLCHAR;
12607 numlen = strlen(numtext);
12610 /* Print move number */
12611 blank = linelen > 0 && numlen > 0;
12612 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12621 fprintf(f, "%s", numtext);
12625 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12626 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12629 blank = linelen > 0 && movelen > 0;
12630 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12639 fprintf(f, "%s", move_buffer);
12640 linelen += movelen;
12642 /* [AS] Add PV info if present */
12643 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12644 /* [HGM] add time */
12645 char buf[MSG_SIZ]; int seconds;
12647 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12653 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12656 seconds = (seconds + 4)/10; // round to full seconds
12658 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12660 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12663 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12664 pvInfoList[i].score >= 0 ? "+" : "",
12665 pvInfoList[i].score / 100.0,
12666 pvInfoList[i].depth,
12669 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12671 /* Print score/depth */
12672 blank = linelen > 0 && movelen > 0;
12673 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12682 fprintf(f, "%s", move_buffer);
12683 linelen += movelen;
12689 /* Start a new line */
12690 if (linelen > 0) fprintf(f, "\n");
12692 /* Print comments after last move */
12693 if (commentList[i] != NULL) {
12694 fprintf(f, "%s\n", commentList[i]);
12698 if (gameInfo.resultDetails != NULL &&
12699 gameInfo.resultDetails[0] != NULLCHAR) {
12700 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12701 PGNResult(gameInfo.result));
12703 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12707 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12711 /* Save game in old style and close the file */
12713 SaveGameOldStyle (FILE *f)
12718 tm = time((time_t *) NULL);
12720 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12723 if (backwardMostMove > 0 || startedFromSetupPosition) {
12724 fprintf(f, "\n[--------------\n");
12725 PrintPosition(f, backwardMostMove);
12726 fprintf(f, "--------------]\n");
12731 i = backwardMostMove;
12732 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12734 while (i < forwardMostMove) {
12735 if (commentList[i] != NULL) {
12736 fprintf(f, "[%s]\n", commentList[i]);
12739 if ((i % 2) == 1) {
12740 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12743 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12745 if (commentList[i] != NULL) {
12749 if (i >= forwardMostMove) {
12753 fprintf(f, "%s\n", parseList[i]);
12758 if (commentList[i] != NULL) {
12759 fprintf(f, "[%s]\n", commentList[i]);
12762 /* This isn't really the old style, but it's close enough */
12763 if (gameInfo.resultDetails != NULL &&
12764 gameInfo.resultDetails[0] != NULLCHAR) {
12765 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12766 gameInfo.resultDetails);
12768 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12775 /* Save the current game to open file f and close the file */
12777 SaveGame (FILE *f, int dummy, char *dummy2)
12779 if (gameMode == EditPosition) EditPositionDone(TRUE);
12780 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12781 if (appData.oldSaveStyle)
12782 return SaveGameOldStyle(f);
12784 return SaveGamePGN(f);
12787 /* Save the current position to the given file */
12789 SavePositionToFile (char *filename)
12794 if (strcmp(filename, "-") == 0) {
12795 return SavePosition(stdout, 0, NULL);
12797 f = fopen(filename, "a");
12799 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12800 DisplayError(buf, errno);
12803 safeStrCpy(buf, lastMsg, MSG_SIZ);
12804 DisplayMessage(_("Waiting for access to save file"), "");
12805 flock(fileno(f), LOCK_EX); // [HGM] lock
12806 DisplayMessage(_("Saving position"), "");
12807 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12808 SavePosition(f, 0, NULL);
12809 DisplayMessage(buf, "");
12815 /* Save the current position to the given open file and close the file */
12817 SavePosition (FILE *f, int dummy, char *dummy2)
12822 if (gameMode == EditPosition) EditPositionDone(TRUE);
12823 if (appData.oldSaveStyle) {
12824 tm = time((time_t *) NULL);
12826 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12828 fprintf(f, "[--------------\n");
12829 PrintPosition(f, currentMove);
12830 fprintf(f, "--------------]\n");
12832 fen = PositionToFEN(currentMove, NULL);
12833 fprintf(f, "%s\n", fen);
12841 ReloadCmailMsgEvent (int unregister)
12844 static char *inFilename = NULL;
12845 static char *outFilename;
12847 struct stat inbuf, outbuf;
12850 /* Any registered moves are unregistered if unregister is set, */
12851 /* i.e. invoked by the signal handler */
12853 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12854 cmailMoveRegistered[i] = FALSE;
12855 if (cmailCommentList[i] != NULL) {
12856 free(cmailCommentList[i]);
12857 cmailCommentList[i] = NULL;
12860 nCmailMovesRegistered = 0;
12863 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12864 cmailResult[i] = CMAIL_NOT_RESULT;
12868 if (inFilename == NULL) {
12869 /* Because the filenames are static they only get malloced once */
12870 /* and they never get freed */
12871 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12872 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12874 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12875 sprintf(outFilename, "%s.out", appData.cmailGameName);
12878 status = stat(outFilename, &outbuf);
12880 cmailMailedMove = FALSE;
12882 status = stat(inFilename, &inbuf);
12883 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12886 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12887 counts the games, notes how each one terminated, etc.
12889 It would be nice to remove this kludge and instead gather all
12890 the information while building the game list. (And to keep it
12891 in the game list nodes instead of having a bunch of fixed-size
12892 parallel arrays.) Note this will require getting each game's
12893 termination from the PGN tags, as the game list builder does
12894 not process the game moves. --mann
12896 cmailMsgLoaded = TRUE;
12897 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12899 /* Load first game in the file or popup game menu */
12900 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12902 #endif /* !WIN32 */
12910 char string[MSG_SIZ];
12912 if ( cmailMailedMove
12913 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12914 return TRUE; /* Allow free viewing */
12917 /* Unregister move to ensure that we don't leave RegisterMove */
12918 /* with the move registered when the conditions for registering no */
12920 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12921 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12922 nCmailMovesRegistered --;
12924 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12926 free(cmailCommentList[lastLoadGameNumber - 1]);
12927 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12931 if (cmailOldMove == -1) {
12932 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12936 if (currentMove > cmailOldMove + 1) {
12937 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12941 if (currentMove < cmailOldMove) {
12942 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12946 if (forwardMostMove > currentMove) {
12947 /* Silently truncate extra moves */
12951 if ( (currentMove == cmailOldMove + 1)
12952 || ( (currentMove == cmailOldMove)
12953 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12954 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12955 if (gameInfo.result != GameUnfinished) {
12956 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12959 if (commentList[currentMove] != NULL) {
12960 cmailCommentList[lastLoadGameNumber - 1]
12961 = StrSave(commentList[currentMove]);
12963 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12965 if (appData.debugMode)
12966 fprintf(debugFP, "Saving %s for game %d\n",
12967 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12969 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12971 f = fopen(string, "w");
12972 if (appData.oldSaveStyle) {
12973 SaveGameOldStyle(f); /* also closes the file */
12975 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12976 f = fopen(string, "w");
12977 SavePosition(f, 0, NULL); /* also closes the file */
12979 fprintf(f, "{--------------\n");
12980 PrintPosition(f, currentMove);
12981 fprintf(f, "--------------}\n\n");
12983 SaveGame(f, 0, NULL); /* also closes the file*/
12986 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12987 nCmailMovesRegistered ++;
12988 } else if (nCmailGames == 1) {
12989 DisplayError(_("You have not made a move yet"), 0);
13000 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13001 FILE *commandOutput;
13002 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13003 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13009 if (! cmailMsgLoaded) {
13010 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13014 if (nCmailGames == nCmailResults) {
13015 DisplayError(_("No unfinished games"), 0);
13019 #if CMAIL_PROHIBIT_REMAIL
13020 if (cmailMailedMove) {
13021 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);
13022 DisplayError(msg, 0);
13027 if (! (cmailMailedMove || RegisterMove())) return;
13029 if ( cmailMailedMove
13030 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13031 snprintf(string, MSG_SIZ, partCommandString,
13032 appData.debugMode ? " -v" : "", appData.cmailGameName);
13033 commandOutput = popen(string, "r");
13035 if (commandOutput == NULL) {
13036 DisplayError(_("Failed to invoke cmail"), 0);
13038 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13039 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13041 if (nBuffers > 1) {
13042 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13043 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13044 nBytes = MSG_SIZ - 1;
13046 (void) memcpy(msg, buffer, nBytes);
13048 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13050 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13051 cmailMailedMove = TRUE; /* Prevent >1 moves */
13054 for (i = 0; i < nCmailGames; i ++) {
13055 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13060 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13062 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13064 appData.cmailGameName,
13066 LoadGameFromFile(buffer, 1, buffer, FALSE);
13067 cmailMsgLoaded = FALSE;
13071 DisplayInformation(msg);
13072 pclose(commandOutput);
13075 if ((*cmailMsg) != '\0') {
13076 DisplayInformation(cmailMsg);
13081 #endif /* !WIN32 */
13090 int prependComma = 0;
13092 char string[MSG_SIZ]; /* Space for game-list */
13095 if (!cmailMsgLoaded) return "";
13097 if (cmailMailedMove) {
13098 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13100 /* Create a list of games left */
13101 snprintf(string, MSG_SIZ, "[");
13102 for (i = 0; i < nCmailGames; i ++) {
13103 if (! ( cmailMoveRegistered[i]
13104 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13105 if (prependComma) {
13106 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13108 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13112 strcat(string, number);
13115 strcat(string, "]");
13117 if (nCmailMovesRegistered + nCmailResults == 0) {
13118 switch (nCmailGames) {
13120 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13124 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13128 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13133 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13135 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13140 if (nCmailResults == nCmailGames) {
13141 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13143 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13148 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13160 if (gameMode == Training)
13161 SetTrainingModeOff();
13164 cmailMsgLoaded = FALSE;
13165 if (appData.icsActive) {
13166 SendToICS(ics_prefix);
13167 SendToICS("refresh\n");
13172 ExitEvent (int status)
13176 /* Give up on clean exit */
13180 /* Keep trying for clean exit */
13184 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13186 if (telnetISR != NULL) {
13187 RemoveInputSource(telnetISR);
13189 if (icsPR != NoProc) {
13190 DestroyChildProcess(icsPR, TRUE);
13193 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13194 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13196 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13197 /* make sure this other one finishes before killing it! */
13198 if(endingGame) { int count = 0;
13199 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13200 while(endingGame && count++ < 10) DoSleep(1);
13201 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13204 /* Kill off chess programs */
13205 if (first.pr != NoProc) {
13208 DoSleep( appData.delayBeforeQuit );
13209 SendToProgram("quit\n", &first);
13210 DoSleep( appData.delayAfterQuit );
13211 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13213 if (second.pr != NoProc) {
13214 DoSleep( appData.delayBeforeQuit );
13215 SendToProgram("quit\n", &second);
13216 DoSleep( appData.delayAfterQuit );
13217 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13219 if (first.isr != NULL) {
13220 RemoveInputSource(first.isr);
13222 if (second.isr != NULL) {
13223 RemoveInputSource(second.isr);
13226 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13227 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13229 ShutDownFrontEnd();
13236 if (appData.debugMode)
13237 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13241 if (gameMode == MachinePlaysWhite ||
13242 gameMode == MachinePlaysBlack) {
13245 DisplayBothClocks();
13247 if (gameMode == PlayFromGameFile) {
13248 if (appData.timeDelay >= 0)
13249 AutoPlayGameLoop();
13250 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13251 Reset(FALSE, TRUE);
13252 SendToICS(ics_prefix);
13253 SendToICS("refresh\n");
13254 } else if (currentMove < forwardMostMove) {
13255 ForwardInner(forwardMostMove);
13257 pauseExamInvalid = FALSE;
13259 switch (gameMode) {
13263 pauseExamForwardMostMove = forwardMostMove;
13264 pauseExamInvalid = FALSE;
13267 case IcsPlayingWhite:
13268 case IcsPlayingBlack:
13272 case PlayFromGameFile:
13273 (void) StopLoadGameTimer();
13277 case BeginningOfGame:
13278 if (appData.icsActive) return;
13279 /* else fall through */
13280 case MachinePlaysWhite:
13281 case MachinePlaysBlack:
13282 case TwoMachinesPlay:
13283 if (forwardMostMove == 0)
13284 return; /* don't pause if no one has moved */
13285 if ((gameMode == MachinePlaysWhite &&
13286 !WhiteOnMove(forwardMostMove)) ||
13287 (gameMode == MachinePlaysBlack &&
13288 WhiteOnMove(forwardMostMove))) {
13299 EditCommentEvent ()
13301 char title[MSG_SIZ];
13303 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13304 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13306 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13307 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13308 parseList[currentMove - 1]);
13311 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13318 char *tags = PGNTags(&gameInfo);
13320 EditTagsPopUp(tags, NULL);
13325 AnalyzeModeEvent ()
13327 if (appData.noChessProgram || gameMode == AnalyzeMode)
13330 if (gameMode != AnalyzeFile) {
13331 if (!appData.icsEngineAnalyze) {
13333 if (gameMode != EditGame) return;
13335 ResurrectChessProgram();
13336 SendToProgram("analyze\n", &first);
13337 first.analyzing = TRUE;
13338 /*first.maybeThinking = TRUE;*/
13339 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13340 EngineOutputPopUp();
13342 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13347 StartAnalysisClock();
13348 GetTimeMark(&lastNodeCountTime);
13353 AnalyzeFileEvent ()
13355 if (appData.noChessProgram || gameMode == AnalyzeFile)
13358 if (gameMode != AnalyzeMode) {
13360 if (gameMode != EditGame) return;
13361 ResurrectChessProgram();
13362 SendToProgram("analyze\n", &first);
13363 first.analyzing = TRUE;
13364 /*first.maybeThinking = TRUE;*/
13365 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13366 EngineOutputPopUp();
13368 gameMode = AnalyzeFile;
13373 StartAnalysisClock();
13374 GetTimeMark(&lastNodeCountTime);
13376 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13380 MachineWhiteEvent ()
13383 char *bookHit = NULL;
13385 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13389 if (gameMode == PlayFromGameFile ||
13390 gameMode == TwoMachinesPlay ||
13391 gameMode == Training ||
13392 gameMode == AnalyzeMode ||
13393 gameMode == EndOfGame)
13396 if (gameMode == EditPosition)
13397 EditPositionDone(TRUE);
13399 if (!WhiteOnMove(currentMove)) {
13400 DisplayError(_("It is not White's turn"), 0);
13404 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13407 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13408 gameMode == AnalyzeFile)
13411 ResurrectChessProgram(); /* in case it isn't running */
13412 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13413 gameMode = MachinePlaysWhite;
13416 gameMode = MachinePlaysWhite;
13420 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13422 if (first.sendName) {
13423 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13424 SendToProgram(buf, &first);
13426 if (first.sendTime) {
13427 if (first.useColors) {
13428 SendToProgram("black\n", &first); /*gnu kludge*/
13430 SendTimeRemaining(&first, TRUE);
13432 if (first.useColors) {
13433 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13435 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13436 SetMachineThinkingEnables();
13437 first.maybeThinking = TRUE;
13441 if (appData.autoFlipView && !flipView) {
13442 flipView = !flipView;
13443 DrawPosition(FALSE, NULL);
13444 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13447 if(bookHit) { // [HGM] book: simulate book reply
13448 static char bookMove[MSG_SIZ]; // a bit generous?
13450 programStats.nodes = programStats.depth = programStats.time =
13451 programStats.score = programStats.got_only_move = 0;
13452 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13454 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13455 strcat(bookMove, bookHit);
13456 HandleMachineMove(bookMove, &first);
13461 MachineBlackEvent ()
13464 char *bookHit = NULL;
13466 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13470 if (gameMode == PlayFromGameFile ||
13471 gameMode == TwoMachinesPlay ||
13472 gameMode == Training ||
13473 gameMode == AnalyzeMode ||
13474 gameMode == EndOfGame)
13477 if (gameMode == EditPosition)
13478 EditPositionDone(TRUE);
13480 if (WhiteOnMove(currentMove)) {
13481 DisplayError(_("It is not Black's turn"), 0);
13485 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13488 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13489 gameMode == AnalyzeFile)
13492 ResurrectChessProgram(); /* in case it isn't running */
13493 gameMode = MachinePlaysBlack;
13497 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13499 if (first.sendName) {
13500 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13501 SendToProgram(buf, &first);
13503 if (first.sendTime) {
13504 if (first.useColors) {
13505 SendToProgram("white\n", &first); /*gnu kludge*/
13507 SendTimeRemaining(&first, FALSE);
13509 if (first.useColors) {
13510 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13512 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13513 SetMachineThinkingEnables();
13514 first.maybeThinking = TRUE;
13517 if (appData.autoFlipView && flipView) {
13518 flipView = !flipView;
13519 DrawPosition(FALSE, NULL);
13520 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13522 if(bookHit) { // [HGM] book: simulate book reply
13523 static char bookMove[MSG_SIZ]; // a bit generous?
13525 programStats.nodes = programStats.depth = programStats.time =
13526 programStats.score = programStats.got_only_move = 0;
13527 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13529 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13530 strcat(bookMove, bookHit);
13531 HandleMachineMove(bookMove, &first);
13537 DisplayTwoMachinesTitle ()
13540 if (appData.matchGames > 0) {
13541 if(appData.tourneyFile[0]) {
13542 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13543 gameInfo.white, _("vs."), gameInfo.black,
13544 nextGame+1, appData.matchGames+1,
13545 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13547 if (first.twoMachinesColor[0] == 'w') {
13548 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13549 gameInfo.white, _("vs."), gameInfo.black,
13550 first.matchWins, second.matchWins,
13551 matchGame - 1 - (first.matchWins + second.matchWins));
13553 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13554 gameInfo.white, _("vs."), gameInfo.black,
13555 second.matchWins, first.matchWins,
13556 matchGame - 1 - (first.matchWins + second.matchWins));
13559 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13565 SettingsMenuIfReady ()
13567 if (second.lastPing != second.lastPong) {
13568 DisplayMessage("", _("Waiting for second chess program"));
13569 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13573 DisplayMessage("", "");
13574 SettingsPopUp(&second);
13578 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13581 if (cps->pr == NoProc) {
13582 StartChessProgram(cps);
13583 if (cps->protocolVersion == 1) {
13586 /* kludge: allow timeout for initial "feature" command */
13588 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13589 DisplayMessage("", buf);
13590 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13598 TwoMachinesEvent P((void))
13602 ChessProgramState *onmove;
13603 char *bookHit = NULL;
13604 static int stalling = 0;
13608 if (appData.noChessProgram) return;
13610 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13611 DisplayError("second engine does not play this", 0);
13615 switch (gameMode) {
13616 case TwoMachinesPlay:
13618 case MachinePlaysWhite:
13619 case MachinePlaysBlack:
13620 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13621 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13625 case BeginningOfGame:
13626 case PlayFromGameFile:
13629 if (gameMode != EditGame) return;
13632 EditPositionDone(TRUE);
13643 // forwardMostMove = currentMove;
13644 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13646 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13648 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13649 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13650 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13654 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13655 SendToProgram("force\n", &second);
13657 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13660 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13661 if(appData.matchPause>10000 || appData.matchPause<10)
13662 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13663 wait = SubtractTimeMarks(&now, &pauseStart);
13664 if(wait < appData.matchPause) {
13665 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13668 // we are now committed to starting the game
13670 DisplayMessage("", "");
13671 if (startedFromSetupPosition) {
13672 SendBoard(&second, backwardMostMove);
13673 if (appData.debugMode) {
13674 fprintf(debugFP, "Two Machines\n");
13677 for (i = backwardMostMove; i < forwardMostMove; i++) {
13678 SendMoveToProgram(i, &second);
13681 gameMode = TwoMachinesPlay;
13683 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13685 DisplayTwoMachinesTitle();
13687 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13692 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13693 SendToProgram(first.computerString, &first);
13694 if (first.sendName) {
13695 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13696 SendToProgram(buf, &first);
13698 SendToProgram(second.computerString, &second);
13699 if (second.sendName) {
13700 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13701 SendToProgram(buf, &second);
13705 if (!first.sendTime || !second.sendTime) {
13706 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13707 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13709 if (onmove->sendTime) {
13710 if (onmove->useColors) {
13711 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13713 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13715 if (onmove->useColors) {
13716 SendToProgram(onmove->twoMachinesColor, onmove);
13718 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13719 // SendToProgram("go\n", onmove);
13720 onmove->maybeThinking = TRUE;
13721 SetMachineThinkingEnables();
13725 if(bookHit) { // [HGM] book: simulate book reply
13726 static char bookMove[MSG_SIZ]; // a bit generous?
13728 programStats.nodes = programStats.depth = programStats.time =
13729 programStats.score = programStats.got_only_move = 0;
13730 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13732 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13733 strcat(bookMove, bookHit);
13734 savedMessage = bookMove; // args for deferred call
13735 savedState = onmove;
13736 ScheduleDelayedEvent(DeferredBookMove, 1);
13743 if (gameMode == Training) {
13744 SetTrainingModeOff();
13745 gameMode = PlayFromGameFile;
13746 DisplayMessage("", _("Training mode off"));
13748 gameMode = Training;
13749 animateTraining = appData.animate;
13751 /* make sure we are not already at the end of the game */
13752 if (currentMove < forwardMostMove) {
13753 SetTrainingModeOn();
13754 DisplayMessage("", _("Training mode on"));
13756 gameMode = PlayFromGameFile;
13757 DisplayError(_("Already at end of game"), 0);
13766 if (!appData.icsActive) return;
13767 switch (gameMode) {
13768 case IcsPlayingWhite:
13769 case IcsPlayingBlack:
13772 case BeginningOfGame:
13780 EditPositionDone(TRUE);
13793 gameMode = IcsIdle;
13803 switch (gameMode) {
13805 SetTrainingModeOff();
13807 case MachinePlaysWhite:
13808 case MachinePlaysBlack:
13809 case BeginningOfGame:
13810 SendToProgram("force\n", &first);
13811 SetUserThinkingEnables();
13813 case PlayFromGameFile:
13814 (void) StopLoadGameTimer();
13815 if (gameFileFP != NULL) {
13820 EditPositionDone(TRUE);
13825 SendToProgram("force\n", &first);
13827 case TwoMachinesPlay:
13828 GameEnds(EndOfFile, NULL, GE_PLAYER);
13829 ResurrectChessProgram();
13830 SetUserThinkingEnables();
13833 ResurrectChessProgram();
13835 case IcsPlayingBlack:
13836 case IcsPlayingWhite:
13837 DisplayError(_("Warning: You are still playing a game"), 0);
13840 DisplayError(_("Warning: You are still observing a game"), 0);
13843 DisplayError(_("Warning: You are still examining a game"), 0);
13854 first.offeredDraw = second.offeredDraw = 0;
13856 if (gameMode == PlayFromGameFile) {
13857 whiteTimeRemaining = timeRemaining[0][currentMove];
13858 blackTimeRemaining = timeRemaining[1][currentMove];
13862 if (gameMode == MachinePlaysWhite ||
13863 gameMode == MachinePlaysBlack ||
13864 gameMode == TwoMachinesPlay ||
13865 gameMode == EndOfGame) {
13866 i = forwardMostMove;
13867 while (i > currentMove) {
13868 SendToProgram("undo\n", &first);
13871 if(!adjustedClock) {
13872 whiteTimeRemaining = timeRemaining[0][currentMove];
13873 blackTimeRemaining = timeRemaining[1][currentMove];
13874 DisplayBothClocks();
13876 if (whiteFlag || blackFlag) {
13877 whiteFlag = blackFlag = 0;
13882 gameMode = EditGame;
13889 EditPositionEvent ()
13891 if (gameMode == EditPosition) {
13897 if (gameMode != EditGame) return;
13899 gameMode = EditPosition;
13902 if (currentMove > 0)
13903 CopyBoard(boards[0], boards[currentMove]);
13905 blackPlaysFirst = !WhiteOnMove(currentMove);
13907 currentMove = forwardMostMove = backwardMostMove = 0;
13908 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13910 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13916 /* [DM] icsEngineAnalyze - possible call from other functions */
13917 if (appData.icsEngineAnalyze) {
13918 appData.icsEngineAnalyze = FALSE;
13920 DisplayMessage("",_("Close ICS engine analyze..."));
13922 if (first.analysisSupport && first.analyzing) {
13923 SendToProgram("exit\n", &first);
13924 first.analyzing = FALSE;
13926 thinkOutput[0] = NULLCHAR;
13930 EditPositionDone (Boolean fakeRights)
13932 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13934 startedFromSetupPosition = TRUE;
13935 InitChessProgram(&first, FALSE);
13936 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13937 boards[0][EP_STATUS] = EP_NONE;
13938 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13939 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13940 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13941 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13942 } else boards[0][CASTLING][2] = NoRights;
13943 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13944 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13945 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13946 } else boards[0][CASTLING][5] = NoRights;
13948 SendToProgram("force\n", &first);
13949 if (blackPlaysFirst) {
13950 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13951 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13952 currentMove = forwardMostMove = backwardMostMove = 1;
13953 CopyBoard(boards[1], boards[0]);
13955 currentMove = forwardMostMove = backwardMostMove = 0;
13957 SendBoard(&first, forwardMostMove);
13958 if (appData.debugMode) {
13959 fprintf(debugFP, "EditPosDone\n");
13962 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13963 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13964 gameMode = EditGame;
13966 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13967 ClearHighlights(); /* [AS] */
13970 /* Pause for `ms' milliseconds */
13971 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13973 TimeDelay (long ms)
13980 } while (SubtractTimeMarks(&m2, &m1) < ms);
13983 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13985 SendMultiLineToICS (char *buf)
13987 char temp[MSG_SIZ+1], *p;
13994 strncpy(temp, buf, len);
13999 if (*p == '\n' || *p == '\r')
14004 strcat(temp, "\n");
14006 SendToPlayer(temp, strlen(temp));
14010 SetWhiteToPlayEvent ()
14012 if (gameMode == EditPosition) {
14013 blackPlaysFirst = FALSE;
14014 DisplayBothClocks(); /* works because currentMove is 0 */
14015 } else if (gameMode == IcsExamining) {
14016 SendToICS(ics_prefix);
14017 SendToICS("tomove white\n");
14022 SetBlackToPlayEvent ()
14024 if (gameMode == EditPosition) {
14025 blackPlaysFirst = TRUE;
14026 currentMove = 1; /* kludge */
14027 DisplayBothClocks();
14029 } else if (gameMode == IcsExamining) {
14030 SendToICS(ics_prefix);
14031 SendToICS("tomove black\n");
14036 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14039 ChessSquare piece = boards[0][y][x];
14041 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14043 switch (selection) {
14045 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14046 SendToICS(ics_prefix);
14047 SendToICS("bsetup clear\n");
14048 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14049 SendToICS(ics_prefix);
14050 SendToICS("clearboard\n");
14052 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14053 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14054 for (y = 0; y < BOARD_HEIGHT; y++) {
14055 if (gameMode == IcsExamining) {
14056 if (boards[currentMove][y][x] != EmptySquare) {
14057 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14062 boards[0][y][x] = p;
14067 if (gameMode == EditPosition) {
14068 DrawPosition(FALSE, boards[0]);
14073 SetWhiteToPlayEvent();
14077 SetBlackToPlayEvent();
14081 if (gameMode == IcsExamining) {
14082 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14083 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14086 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14087 if(x == BOARD_LEFT-2) {
14088 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14089 boards[0][y][1] = 0;
14091 if(x == BOARD_RGHT+1) {
14092 if(y >= gameInfo.holdingsSize) break;
14093 boards[0][y][BOARD_WIDTH-2] = 0;
14096 boards[0][y][x] = EmptySquare;
14097 DrawPosition(FALSE, boards[0]);
14102 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14103 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14104 selection = (ChessSquare) (PROMOTED piece);
14105 } else if(piece == EmptySquare) selection = WhiteSilver;
14106 else selection = (ChessSquare)((int)piece - 1);
14110 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14111 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14112 selection = (ChessSquare) (DEMOTED piece);
14113 } else if(piece == EmptySquare) selection = BlackSilver;
14114 else selection = (ChessSquare)((int)piece + 1);
14119 if(gameInfo.variant == VariantShatranj ||
14120 gameInfo.variant == VariantXiangqi ||
14121 gameInfo.variant == VariantCourier ||
14122 gameInfo.variant == VariantMakruk )
14123 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14128 if(gameInfo.variant == VariantXiangqi)
14129 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14130 if(gameInfo.variant == VariantKnightmate)
14131 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14134 if (gameMode == IcsExamining) {
14135 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14136 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14137 PieceToChar(selection), AAA + x, ONE + y);
14140 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14142 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14143 n = PieceToNumber(selection - BlackPawn);
14144 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14145 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14146 boards[0][BOARD_HEIGHT-1-n][1]++;
14148 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14149 n = PieceToNumber(selection);
14150 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14151 boards[0][n][BOARD_WIDTH-1] = selection;
14152 boards[0][n][BOARD_WIDTH-2]++;
14155 boards[0][y][x] = selection;
14156 DrawPosition(TRUE, boards[0]);
14158 fromX = fromY = -1;
14166 DropMenuEvent (ChessSquare selection, int x, int y)
14168 ChessMove moveType;
14170 switch (gameMode) {
14171 case IcsPlayingWhite:
14172 case MachinePlaysBlack:
14173 if (!WhiteOnMove(currentMove)) {
14174 DisplayMoveError(_("It is Black's turn"));
14177 moveType = WhiteDrop;
14179 case IcsPlayingBlack:
14180 case MachinePlaysWhite:
14181 if (WhiteOnMove(currentMove)) {
14182 DisplayMoveError(_("It is White's turn"));
14185 moveType = BlackDrop;
14188 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14194 if (moveType == BlackDrop && selection < BlackPawn) {
14195 selection = (ChessSquare) ((int) selection
14196 + (int) BlackPawn - (int) WhitePawn);
14198 if (boards[currentMove][y][x] != EmptySquare) {
14199 DisplayMoveError(_("That square is occupied"));
14203 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14209 /* Accept a pending offer of any kind from opponent */
14211 if (appData.icsActive) {
14212 SendToICS(ics_prefix);
14213 SendToICS("accept\n");
14214 } else if (cmailMsgLoaded) {
14215 if (currentMove == cmailOldMove &&
14216 commentList[cmailOldMove] != NULL &&
14217 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14218 "Black offers a draw" : "White offers a draw")) {
14220 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14221 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14223 DisplayError(_("There is no pending offer on this move"), 0);
14224 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14227 /* Not used for offers from chess program */
14234 /* Decline a pending offer of any kind from opponent */
14236 if (appData.icsActive) {
14237 SendToICS(ics_prefix);
14238 SendToICS("decline\n");
14239 } else if (cmailMsgLoaded) {
14240 if (currentMove == cmailOldMove &&
14241 commentList[cmailOldMove] != NULL &&
14242 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14243 "Black offers a draw" : "White offers a draw")) {
14245 AppendComment(cmailOldMove, "Draw declined", TRUE);
14246 DisplayComment(cmailOldMove - 1, "Draw declined");
14249 DisplayError(_("There is no pending offer on this move"), 0);
14252 /* Not used for offers from chess program */
14259 /* Issue ICS rematch command */
14260 if (appData.icsActive) {
14261 SendToICS(ics_prefix);
14262 SendToICS("rematch\n");
14269 /* Call your opponent's flag (claim a win on time) */
14270 if (appData.icsActive) {
14271 SendToICS(ics_prefix);
14272 SendToICS("flag\n");
14274 switch (gameMode) {
14277 case MachinePlaysWhite:
14280 GameEnds(GameIsDrawn, "Both players ran out of time",
14283 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14285 DisplayError(_("Your opponent is not out of time"), 0);
14288 case MachinePlaysBlack:
14291 GameEnds(GameIsDrawn, "Both players ran out of time",
14294 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14296 DisplayError(_("Your opponent is not out of time"), 0);
14304 ClockClick (int which)
14305 { // [HGM] code moved to back-end from winboard.c
14306 if(which) { // black clock
14307 if (gameMode == EditPosition || gameMode == IcsExamining) {
14308 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14309 SetBlackToPlayEvent();
14310 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14311 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14312 } else if (shiftKey) {
14313 AdjustClock(which, -1);
14314 } else if (gameMode == IcsPlayingWhite ||
14315 gameMode == MachinePlaysBlack) {
14318 } else { // white clock
14319 if (gameMode == EditPosition || gameMode == IcsExamining) {
14320 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14321 SetWhiteToPlayEvent();
14322 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14323 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14324 } else if (shiftKey) {
14325 AdjustClock(which, -1);
14326 } else if (gameMode == IcsPlayingBlack ||
14327 gameMode == MachinePlaysWhite) {
14336 /* Offer draw or accept pending draw offer from opponent */
14338 if (appData.icsActive) {
14339 /* Note: tournament rules require draw offers to be
14340 made after you make your move but before you punch
14341 your clock. Currently ICS doesn't let you do that;
14342 instead, you immediately punch your clock after making
14343 a move, but you can offer a draw at any time. */
14345 SendToICS(ics_prefix);
14346 SendToICS("draw\n");
14347 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14348 } else if (cmailMsgLoaded) {
14349 if (currentMove == cmailOldMove &&
14350 commentList[cmailOldMove] != NULL &&
14351 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14352 "Black offers a draw" : "White offers a draw")) {
14353 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14354 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14355 } else if (currentMove == cmailOldMove + 1) {
14356 char *offer = WhiteOnMove(cmailOldMove) ?
14357 "White offers a draw" : "Black offers a draw";
14358 AppendComment(currentMove, offer, TRUE);
14359 DisplayComment(currentMove - 1, offer);
14360 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14362 DisplayError(_("You must make your move before offering a draw"), 0);
14363 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14365 } else if (first.offeredDraw) {
14366 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14368 if (first.sendDrawOffers) {
14369 SendToProgram("draw\n", &first);
14370 userOfferedDraw = TRUE;
14378 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14380 if (appData.icsActive) {
14381 SendToICS(ics_prefix);
14382 SendToICS("adjourn\n");
14384 /* Currently GNU Chess doesn't offer or accept Adjourns */
14392 /* Offer Abort or accept pending Abort offer from opponent */
14394 if (appData.icsActive) {
14395 SendToICS(ics_prefix);
14396 SendToICS("abort\n");
14398 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14405 /* Resign. You can do this even if it's not your turn. */
14407 if (appData.icsActive) {
14408 SendToICS(ics_prefix);
14409 SendToICS("resign\n");
14411 switch (gameMode) {
14412 case MachinePlaysWhite:
14413 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14415 case MachinePlaysBlack:
14416 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14419 if (cmailMsgLoaded) {
14421 if (WhiteOnMove(cmailOldMove)) {
14422 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14424 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14426 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14437 StopObservingEvent ()
14439 /* Stop observing current games */
14440 SendToICS(ics_prefix);
14441 SendToICS("unobserve\n");
14445 StopExaminingEvent ()
14447 /* Stop observing current game */
14448 SendToICS(ics_prefix);
14449 SendToICS("unexamine\n");
14453 ForwardInner (int target)
14455 int limit; int oldSeekGraphUp = seekGraphUp;
14457 if (appData.debugMode)
14458 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14459 target, currentMove, forwardMostMove);
14461 if (gameMode == EditPosition)
14464 seekGraphUp = FALSE;
14465 MarkTargetSquares(1);
14467 if (gameMode == PlayFromGameFile && !pausing)
14470 if (gameMode == IcsExamining && pausing)
14471 limit = pauseExamForwardMostMove;
14473 limit = forwardMostMove;
14475 if (target > limit) target = limit;
14477 if (target > 0 && moveList[target - 1][0]) {
14478 int fromX, fromY, toX, toY;
14479 toX = moveList[target - 1][2] - AAA;
14480 toY = moveList[target - 1][3] - ONE;
14481 if (moveList[target - 1][1] == '@') {
14482 if (appData.highlightLastMove) {
14483 SetHighlights(-1, -1, toX, toY);
14486 fromX = moveList[target - 1][0] - AAA;
14487 fromY = moveList[target - 1][1] - ONE;
14488 if (target == currentMove + 1) {
14489 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14491 if (appData.highlightLastMove) {
14492 SetHighlights(fromX, fromY, toX, toY);
14496 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14497 gameMode == Training || gameMode == PlayFromGameFile ||
14498 gameMode == AnalyzeFile) {
14499 while (currentMove < target) {
14500 SendMoveToProgram(currentMove++, &first);
14503 currentMove = target;
14506 if (gameMode == EditGame || gameMode == EndOfGame) {
14507 whiteTimeRemaining = timeRemaining[0][currentMove];
14508 blackTimeRemaining = timeRemaining[1][currentMove];
14510 DisplayBothClocks();
14511 DisplayMove(currentMove - 1);
14512 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14513 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14514 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14515 DisplayComment(currentMove - 1, commentList[currentMove]);
14517 ClearMap(); // [HGM] exclude: invalidate map
14524 if (gameMode == IcsExamining && !pausing) {
14525 SendToICS(ics_prefix);
14526 SendToICS("forward\n");
14528 ForwardInner(currentMove + 1);
14535 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14536 /* to optimze, we temporarily turn off analysis mode while we feed
14537 * the remaining moves to the engine. Otherwise we get analysis output
14540 if (first.analysisSupport) {
14541 SendToProgram("exit\nforce\n", &first);
14542 first.analyzing = FALSE;
14546 if (gameMode == IcsExamining && !pausing) {
14547 SendToICS(ics_prefix);
14548 SendToICS("forward 999999\n");
14550 ForwardInner(forwardMostMove);
14553 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14554 /* we have fed all the moves, so reactivate analysis mode */
14555 SendToProgram("analyze\n", &first);
14556 first.analyzing = TRUE;
14557 /*first.maybeThinking = TRUE;*/
14558 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14563 BackwardInner (int target)
14565 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14567 if (appData.debugMode)
14568 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14569 target, currentMove, forwardMostMove);
14571 if (gameMode == EditPosition) return;
14572 seekGraphUp = FALSE;
14573 MarkTargetSquares(1);
14574 if (currentMove <= backwardMostMove) {
14576 DrawPosition(full_redraw, boards[currentMove]);
14579 if (gameMode == PlayFromGameFile && !pausing)
14582 if (moveList[target][0]) {
14583 int fromX, fromY, toX, toY;
14584 toX = moveList[target][2] - AAA;
14585 toY = moveList[target][3] - ONE;
14586 if (moveList[target][1] == '@') {
14587 if (appData.highlightLastMove) {
14588 SetHighlights(-1, -1, toX, toY);
14591 fromX = moveList[target][0] - AAA;
14592 fromY = moveList[target][1] - ONE;
14593 if (target == currentMove - 1) {
14594 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14596 if (appData.highlightLastMove) {
14597 SetHighlights(fromX, fromY, toX, toY);
14601 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14602 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14603 while (currentMove > target) {
14604 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14605 // null move cannot be undone. Reload program with move history before it.
14607 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14608 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14610 SendBoard(&first, i);
14611 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14614 SendToProgram("undo\n", &first);
14618 currentMove = target;
14621 if (gameMode == EditGame || gameMode == EndOfGame) {
14622 whiteTimeRemaining = timeRemaining[0][currentMove];
14623 blackTimeRemaining = timeRemaining[1][currentMove];
14625 DisplayBothClocks();
14626 DisplayMove(currentMove - 1);
14627 DrawPosition(full_redraw, boards[currentMove]);
14628 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14629 // [HGM] PV info: routine tests if comment empty
14630 DisplayComment(currentMove - 1, commentList[currentMove]);
14631 ClearMap(); // [HGM] exclude: invalidate map
14637 if (gameMode == IcsExamining && !pausing) {
14638 SendToICS(ics_prefix);
14639 SendToICS("backward\n");
14641 BackwardInner(currentMove - 1);
14648 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14649 /* to optimize, we temporarily turn off analysis mode while we undo
14650 * all the moves. Otherwise we get analysis output after each undo.
14652 if (first.analysisSupport) {
14653 SendToProgram("exit\nforce\n", &first);
14654 first.analyzing = FALSE;
14658 if (gameMode == IcsExamining && !pausing) {
14659 SendToICS(ics_prefix);
14660 SendToICS("backward 999999\n");
14662 BackwardInner(backwardMostMove);
14665 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14666 /* we have fed all the moves, so reactivate analysis mode */
14667 SendToProgram("analyze\n", &first);
14668 first.analyzing = TRUE;
14669 /*first.maybeThinking = TRUE;*/
14670 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14677 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14678 if (to >= forwardMostMove) to = forwardMostMove;
14679 if (to <= backwardMostMove) to = backwardMostMove;
14680 if (to < currentMove) {
14688 RevertEvent (Boolean annotate)
14690 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14693 if (gameMode != IcsExamining) {
14694 DisplayError(_("You are not examining a game"), 0);
14698 DisplayError(_("You can't revert while pausing"), 0);
14701 SendToICS(ics_prefix);
14702 SendToICS("revert\n");
14706 RetractMoveEvent ()
14708 switch (gameMode) {
14709 case MachinePlaysWhite:
14710 case MachinePlaysBlack:
14711 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14712 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14715 if (forwardMostMove < 2) return;
14716 currentMove = forwardMostMove = forwardMostMove - 2;
14717 whiteTimeRemaining = timeRemaining[0][currentMove];
14718 blackTimeRemaining = timeRemaining[1][currentMove];
14719 DisplayBothClocks();
14720 DisplayMove(currentMove - 1);
14721 ClearHighlights();/*!! could figure this out*/
14722 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14723 SendToProgram("remove\n", &first);
14724 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14727 case BeginningOfGame:
14731 case IcsPlayingWhite:
14732 case IcsPlayingBlack:
14733 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14734 SendToICS(ics_prefix);
14735 SendToICS("takeback 2\n");
14737 SendToICS(ics_prefix);
14738 SendToICS("takeback 1\n");
14747 ChessProgramState *cps;
14749 switch (gameMode) {
14750 case MachinePlaysWhite:
14751 if (!WhiteOnMove(forwardMostMove)) {
14752 DisplayError(_("It is your turn"), 0);
14757 case MachinePlaysBlack:
14758 if (WhiteOnMove(forwardMostMove)) {
14759 DisplayError(_("It is your turn"), 0);
14764 case TwoMachinesPlay:
14765 if (WhiteOnMove(forwardMostMove) ==
14766 (first.twoMachinesColor[0] == 'w')) {
14772 case BeginningOfGame:
14776 SendToProgram("?\n", cps);
14780 TruncateGameEvent ()
14783 if (gameMode != EditGame) return;
14790 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14791 if (forwardMostMove > currentMove) {
14792 if (gameInfo.resultDetails != NULL) {
14793 free(gameInfo.resultDetails);
14794 gameInfo.resultDetails = NULL;
14795 gameInfo.result = GameUnfinished;
14797 forwardMostMove = currentMove;
14798 HistorySet(parseList, backwardMostMove, forwardMostMove,
14806 if (appData.noChessProgram) return;
14807 switch (gameMode) {
14808 case MachinePlaysWhite:
14809 if (WhiteOnMove(forwardMostMove)) {
14810 DisplayError(_("Wait until your turn"), 0);
14814 case BeginningOfGame:
14815 case MachinePlaysBlack:
14816 if (!WhiteOnMove(forwardMostMove)) {
14817 DisplayError(_("Wait until your turn"), 0);
14822 DisplayError(_("No hint available"), 0);
14825 SendToProgram("hint\n", &first);
14826 hintRequested = TRUE;
14832 if (appData.noChessProgram) return;
14833 switch (gameMode) {
14834 case MachinePlaysWhite:
14835 if (WhiteOnMove(forwardMostMove)) {
14836 DisplayError(_("Wait until your turn"), 0);
14840 case BeginningOfGame:
14841 case MachinePlaysBlack:
14842 if (!WhiteOnMove(forwardMostMove)) {
14843 DisplayError(_("Wait until your turn"), 0);
14848 EditPositionDone(TRUE);
14850 case TwoMachinesPlay:
14855 SendToProgram("bk\n", &first);
14856 bookOutput[0] = NULLCHAR;
14857 bookRequested = TRUE;
14863 char *tags = PGNTags(&gameInfo);
14864 TagsPopUp(tags, CmailMsg());
14868 /* end button procedures */
14871 PrintPosition (FILE *fp, int move)
14875 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14876 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14877 char c = PieceToChar(boards[move][i][j]);
14878 fputc(c == 'x' ? '.' : c, fp);
14879 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14882 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14883 fprintf(fp, "white to play\n");
14885 fprintf(fp, "black to play\n");
14889 PrintOpponents (FILE *fp)
14891 if (gameInfo.white != NULL) {
14892 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14898 /* Find last component of program's own name, using some heuristics */
14900 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14903 int local = (strcmp(host, "localhost") == 0);
14904 while (!local && (p = strchr(prog, ';')) != NULL) {
14906 while (*p == ' ') p++;
14909 if (*prog == '"' || *prog == '\'') {
14910 q = strchr(prog + 1, *prog);
14912 q = strchr(prog, ' ');
14914 if (q == NULL) q = prog + strlen(prog);
14916 while (p >= prog && *p != '/' && *p != '\\') p--;
14918 if(p == prog && *p == '"') p++;
14920 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14921 memcpy(buf, p, q - p);
14922 buf[q - p] = NULLCHAR;
14930 TimeControlTagValue ()
14933 if (!appData.clockMode) {
14934 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14935 } else if (movesPerSession > 0) {
14936 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14937 } else if (timeIncrement == 0) {
14938 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14940 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14942 return StrSave(buf);
14948 /* This routine is used only for certain modes */
14949 VariantClass v = gameInfo.variant;
14950 ChessMove r = GameUnfinished;
14953 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14954 r = gameInfo.result;
14955 p = gameInfo.resultDetails;
14956 gameInfo.resultDetails = NULL;
14958 ClearGameInfo(&gameInfo);
14959 gameInfo.variant = v;
14961 switch (gameMode) {
14962 case MachinePlaysWhite:
14963 gameInfo.event = StrSave( appData.pgnEventHeader );
14964 gameInfo.site = StrSave(HostName());
14965 gameInfo.date = PGNDate();
14966 gameInfo.round = StrSave("-");
14967 gameInfo.white = StrSave(first.tidy);
14968 gameInfo.black = StrSave(UserName());
14969 gameInfo.timeControl = TimeControlTagValue();
14972 case MachinePlaysBlack:
14973 gameInfo.event = StrSave( appData.pgnEventHeader );
14974 gameInfo.site = StrSave(HostName());
14975 gameInfo.date = PGNDate();
14976 gameInfo.round = StrSave("-");
14977 gameInfo.white = StrSave(UserName());
14978 gameInfo.black = StrSave(first.tidy);
14979 gameInfo.timeControl = TimeControlTagValue();
14982 case TwoMachinesPlay:
14983 gameInfo.event = StrSave( appData.pgnEventHeader );
14984 gameInfo.site = StrSave(HostName());
14985 gameInfo.date = PGNDate();
14988 snprintf(buf, MSG_SIZ, "%d", roundNr);
14989 gameInfo.round = StrSave(buf);
14991 gameInfo.round = StrSave("-");
14993 if (first.twoMachinesColor[0] == 'w') {
14994 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14995 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14997 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14998 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15000 gameInfo.timeControl = TimeControlTagValue();
15004 gameInfo.event = StrSave("Edited game");
15005 gameInfo.site = StrSave(HostName());
15006 gameInfo.date = PGNDate();
15007 gameInfo.round = StrSave("-");
15008 gameInfo.white = StrSave("-");
15009 gameInfo.black = StrSave("-");
15010 gameInfo.result = r;
15011 gameInfo.resultDetails = p;
15015 gameInfo.event = StrSave("Edited position");
15016 gameInfo.site = StrSave(HostName());
15017 gameInfo.date = PGNDate();
15018 gameInfo.round = StrSave("-");
15019 gameInfo.white = StrSave("-");
15020 gameInfo.black = StrSave("-");
15023 case IcsPlayingWhite:
15024 case IcsPlayingBlack:
15029 case PlayFromGameFile:
15030 gameInfo.event = StrSave("Game from non-PGN file");
15031 gameInfo.site = StrSave(HostName());
15032 gameInfo.date = PGNDate();
15033 gameInfo.round = StrSave("-");
15034 gameInfo.white = StrSave("?");
15035 gameInfo.black = StrSave("?");
15044 ReplaceComment (int index, char *text)
15050 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15051 pvInfoList[index-1].depth == len &&
15052 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15053 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15054 while (*text == '\n') text++;
15055 len = strlen(text);
15056 while (len > 0 && text[len - 1] == '\n') len--;
15058 if (commentList[index] != NULL)
15059 free(commentList[index]);
15062 commentList[index] = NULL;
15065 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15066 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15067 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15068 commentList[index] = (char *) malloc(len + 2);
15069 strncpy(commentList[index], text, len);
15070 commentList[index][len] = '\n';
15071 commentList[index][len + 1] = NULLCHAR;
15073 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15075 commentList[index] = (char *) malloc(len + 7);
15076 safeStrCpy(commentList[index], "{\n", 3);
15077 safeStrCpy(commentList[index]+2, text, len+1);
15078 commentList[index][len+2] = NULLCHAR;
15079 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15080 strcat(commentList[index], "\n}\n");
15085 CrushCRs (char *text)
15093 if (ch == '\r') continue;
15095 } while (ch != '\0');
15099 AppendComment (int index, char *text, Boolean addBraces)
15100 /* addBraces tells if we should add {} */
15105 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15106 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15109 while (*text == '\n') text++;
15110 len = strlen(text);
15111 while (len > 0 && text[len - 1] == '\n') len--;
15112 text[len] = NULLCHAR;
15114 if (len == 0) return;
15116 if (commentList[index] != NULL) {
15117 Boolean addClosingBrace = addBraces;
15118 old = commentList[index];
15119 oldlen = strlen(old);
15120 while(commentList[index][oldlen-1] == '\n')
15121 commentList[index][--oldlen] = NULLCHAR;
15122 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15123 safeStrCpy(commentList[index], old, oldlen + len + 6);
15125 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15126 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15127 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15128 while (*text == '\n') { text++; len--; }
15129 commentList[index][--oldlen] = NULLCHAR;
15131 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15132 else strcat(commentList[index], "\n");
15133 strcat(commentList[index], text);
15134 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15135 else strcat(commentList[index], "\n");
15137 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15139 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15140 else commentList[index][0] = NULLCHAR;
15141 strcat(commentList[index], text);
15142 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15143 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15148 FindStr (char * text, char * sub_text)
15150 char * result = strstr( text, sub_text );
15152 if( result != NULL ) {
15153 result += strlen( sub_text );
15159 /* [AS] Try to extract PV info from PGN comment */
15160 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15162 GetInfoFromComment (int index, char * text)
15164 char * sep = text, *p;
15166 if( text != NULL && index > 0 ) {
15169 int time = -1, sec = 0, deci;
15170 char * s_eval = FindStr( text, "[%eval " );
15171 char * s_emt = FindStr( text, "[%emt " );
15173 if( s_eval != NULL || s_emt != NULL ) {
15177 if( s_eval != NULL ) {
15178 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15182 if( delim != ']' ) {
15187 if( s_emt != NULL ) {
15192 /* We expect something like: [+|-]nnn.nn/dd */
15195 if(*text != '{') return text; // [HGM] braces: must be normal comment
15197 sep = strchr( text, '/' );
15198 if( sep == NULL || sep < (text+4) ) {
15203 if(p[1] == '(') { // comment starts with PV
15204 p = strchr(p, ')'); // locate end of PV
15205 if(p == NULL || sep < p+5) return text;
15206 // at this point we have something like "{(.*) +0.23/6 ..."
15207 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15208 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15209 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15211 time = -1; sec = -1; deci = -1;
15212 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15213 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15214 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15215 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15219 if( score_lo < 0 || score_lo >= 100 ) {
15223 if(sec >= 0) time = 600*time + 10*sec; else
15224 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15226 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15228 /* [HGM] PV time: now locate end of PV info */
15229 while( *++sep >= '0' && *sep <= '9'); // strip depth
15231 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15233 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15235 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15236 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15247 pvInfoList[index-1].depth = depth;
15248 pvInfoList[index-1].score = score;
15249 pvInfoList[index-1].time = 10*time; // centi-sec
15250 if(*sep == '}') *sep = 0; else *--sep = '{';
15251 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15257 SendToProgram (char *message, ChessProgramState *cps)
15259 int count, outCount, error;
15262 if (cps->pr == NoProc) return;
15265 if (appData.debugMode) {
15268 fprintf(debugFP, "%ld >%-6s: %s",
15269 SubtractTimeMarks(&now, &programStartTime),
15270 cps->which, message);
15272 fprintf(serverFP, "%ld >%-6s: %s",
15273 SubtractTimeMarks(&now, &programStartTime),
15274 cps->which, message), fflush(serverFP);
15277 count = strlen(message);
15278 outCount = OutputToProcess(cps->pr, message, count, &error);
15279 if (outCount < count && !exiting
15280 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15281 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15282 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15283 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15284 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15285 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15286 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15287 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15289 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15290 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15291 gameInfo.result = res;
15293 gameInfo.resultDetails = StrSave(buf);
15295 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15296 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15301 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15305 ChessProgramState *cps = (ChessProgramState *)closure;
15307 if (isr != cps->isr) return; /* Killed intentionally */
15310 RemoveInputSource(cps->isr);
15311 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15312 _(cps->which), cps->program);
15313 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15314 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15315 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15316 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15317 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15318 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15320 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15321 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15322 gameInfo.result = res;
15324 gameInfo.resultDetails = StrSave(buf);
15326 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15327 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15329 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15330 _(cps->which), cps->program);
15331 RemoveInputSource(cps->isr);
15333 /* [AS] Program is misbehaving badly... kill it */
15334 if( count == -2 ) {
15335 DestroyChildProcess( cps->pr, 9 );
15339 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15344 if ((end_str = strchr(message, '\r')) != NULL)
15345 *end_str = NULLCHAR;
15346 if ((end_str = strchr(message, '\n')) != NULL)
15347 *end_str = NULLCHAR;
15349 if (appData.debugMode) {
15350 TimeMark now; int print = 1;
15351 char *quote = ""; char c; int i;
15353 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15354 char start = message[0];
15355 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15356 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15357 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15358 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15359 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15360 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15361 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15362 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15363 sscanf(message, "hint: %c", &c)!=1 &&
15364 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15365 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15366 print = (appData.engineComments >= 2);
15368 message[0] = start; // restore original message
15372 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15373 SubtractTimeMarks(&now, &programStartTime), cps->which,
15377 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15378 SubtractTimeMarks(&now, &programStartTime), cps->which,
15380 message), fflush(serverFP);
15384 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15385 if (appData.icsEngineAnalyze) {
15386 if (strstr(message, "whisper") != NULL ||
15387 strstr(message, "kibitz") != NULL ||
15388 strstr(message, "tellics") != NULL) return;
15391 HandleMachineMove(message, cps);
15396 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15401 if( timeControl_2 > 0 ) {
15402 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15403 tc = timeControl_2;
15406 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15407 inc /= cps->timeOdds;
15408 st /= cps->timeOdds;
15410 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15413 /* Set exact time per move, normally using st command */
15414 if (cps->stKludge) {
15415 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15417 if (seconds == 0) {
15418 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15420 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15423 snprintf(buf, MSG_SIZ, "st %d\n", st);
15426 /* Set conventional or incremental time control, using level command */
15427 if (seconds == 0) {
15428 /* Note old gnuchess bug -- minutes:seconds used to not work.
15429 Fixed in later versions, but still avoid :seconds
15430 when seconds is 0. */
15431 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15433 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15434 seconds, inc/1000.);
15437 SendToProgram(buf, cps);
15439 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15440 /* Orthogonally, limit search to given depth */
15442 if (cps->sdKludge) {
15443 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15445 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15447 SendToProgram(buf, cps);
15450 if(cps->nps >= 0) { /* [HGM] nps */
15451 if(cps->supportsNPS == FALSE)
15452 cps->nps = -1; // don't use if engine explicitly says not supported!
15454 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15455 SendToProgram(buf, cps);
15460 ChessProgramState *
15462 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15464 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15465 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15471 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15473 char message[MSG_SIZ];
15476 /* Note: this routine must be called when the clocks are stopped
15477 or when they have *just* been set or switched; otherwise
15478 it will be off by the time since the current tick started.
15480 if (machineWhite) {
15481 time = whiteTimeRemaining / 10;
15482 otime = blackTimeRemaining / 10;
15484 time = blackTimeRemaining / 10;
15485 otime = whiteTimeRemaining / 10;
15487 /* [HGM] translate opponent's time by time-odds factor */
15488 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15490 if (time <= 0) time = 1;
15491 if (otime <= 0) otime = 1;
15493 snprintf(message, MSG_SIZ, "time %ld\n", time);
15494 SendToProgram(message, cps);
15496 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15497 SendToProgram(message, cps);
15501 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15504 int len = strlen(name);
15507 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15509 sscanf(*p, "%d", &val);
15511 while (**p && **p != ' ')
15513 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15514 SendToProgram(buf, cps);
15521 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15524 int len = strlen(name);
15525 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15527 sscanf(*p, "%d", loc);
15528 while (**p && **p != ' ') (*p)++;
15529 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15530 SendToProgram(buf, cps);
15537 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15540 int len = strlen(name);
15541 if (strncmp((*p), name, len) == 0
15542 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15544 sscanf(*p, "%[^\"]", loc);
15545 while (**p && **p != '\"') (*p)++;
15546 if (**p == '\"') (*p)++;
15547 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15548 SendToProgram(buf, cps);
15555 ParseOption (Option *opt, ChessProgramState *cps)
15556 // [HGM] options: process the string that defines an engine option, and determine
15557 // name, type, default value, and allowed value range
15559 char *p, *q, buf[MSG_SIZ];
15560 int n, min = (-1)<<31, max = 1<<31, def;
15562 if(p = strstr(opt->name, " -spin ")) {
15563 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15564 if(max < min) max = min; // enforce consistency
15565 if(def < min) def = min;
15566 if(def > max) def = max;
15571 } else if((p = strstr(opt->name, " -slider "))) {
15572 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15573 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15574 if(max < min) max = min; // enforce consistency
15575 if(def < min) def = min;
15576 if(def > max) def = max;
15580 opt->type = Spin; // Slider;
15581 } else if((p = strstr(opt->name, " -string "))) {
15582 opt->textValue = p+9;
15583 opt->type = TextBox;
15584 } else if((p = strstr(opt->name, " -file "))) {
15585 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15586 opt->textValue = p+7;
15587 opt->type = FileName; // FileName;
15588 } else if((p = strstr(opt->name, " -path "))) {
15589 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15590 opt->textValue = p+7;
15591 opt->type = PathName; // PathName;
15592 } else if(p = strstr(opt->name, " -check ")) {
15593 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15594 opt->value = (def != 0);
15595 opt->type = CheckBox;
15596 } else if(p = strstr(opt->name, " -combo ")) {
15597 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15598 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15599 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15600 opt->value = n = 0;
15601 while(q = StrStr(q, " /// ")) {
15602 n++; *q = 0; // count choices, and null-terminate each of them
15604 if(*q == '*') { // remember default, which is marked with * prefix
15608 cps->comboList[cps->comboCnt++] = q;
15610 cps->comboList[cps->comboCnt++] = NULL;
15612 opt->type = ComboBox;
15613 } else if(p = strstr(opt->name, " -button")) {
15614 opt->type = Button;
15615 } else if(p = strstr(opt->name, " -save")) {
15616 opt->type = SaveButton;
15617 } else return FALSE;
15618 *p = 0; // terminate option name
15619 // now look if the command-line options define a setting for this engine option.
15620 if(cps->optionSettings && cps->optionSettings[0])
15621 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15622 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15623 snprintf(buf, MSG_SIZ, "option %s", p);
15624 if(p = strstr(buf, ",")) *p = 0;
15625 if(q = strchr(buf, '=')) switch(opt->type) {
15627 for(n=0; n<opt->max; n++)
15628 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15631 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15635 opt->value = atoi(q+1);
15640 SendToProgram(buf, cps);
15646 FeatureDone (ChessProgramState *cps, int val)
15648 DelayedEventCallback cb = GetDelayedEvent();
15649 if ((cb == InitBackEnd3 && cps == &first) ||
15650 (cb == SettingsMenuIfReady && cps == &second) ||
15651 (cb == LoadEngine) ||
15652 (cb == TwoMachinesEventIfReady)) {
15653 CancelDelayedEvent();
15654 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15656 cps->initDone = val;
15659 /* Parse feature command from engine */
15661 ParseFeatures (char *args, ChessProgramState *cps)
15669 while (*p == ' ') p++;
15670 if (*p == NULLCHAR) return;
15672 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15673 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15674 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15675 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15676 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15677 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15678 if (BoolFeature(&p, "reuse", &val, cps)) {
15679 /* Engine can disable reuse, but can't enable it if user said no */
15680 if (!val) cps->reuse = FALSE;
15683 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15684 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15685 if (gameMode == TwoMachinesPlay) {
15686 DisplayTwoMachinesTitle();
15692 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15693 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15694 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15695 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15696 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15697 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15698 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15699 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15700 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15701 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15702 if (IntFeature(&p, "done", &val, cps)) {
15703 FeatureDone(cps, val);
15706 /* Added by Tord: */
15707 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15708 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15709 /* End of additions by Tord */
15711 /* [HGM] added features: */
15712 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15713 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15714 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15715 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15716 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15717 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15718 if (StringFeature(&p, "option", buf, cps)) {
15719 FREE(cps->option[cps->nrOptions].name);
15720 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15721 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15722 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15723 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15724 SendToProgram(buf, cps);
15727 if(cps->nrOptions >= MAX_OPTIONS) {
15729 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15730 DisplayError(buf, 0);
15734 /* End of additions by HGM */
15736 /* unknown feature: complain and skip */
15738 while (*q && *q != '=') q++;
15739 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15740 SendToProgram(buf, cps);
15746 while (*p && *p != '\"') p++;
15747 if (*p == '\"') p++;
15749 while (*p && *p != ' ') p++;
15757 PeriodicUpdatesEvent (int newState)
15759 if (newState == appData.periodicUpdates)
15762 appData.periodicUpdates=newState;
15764 /* Display type changes, so update it now */
15765 // DisplayAnalysis();
15767 /* Get the ball rolling again... */
15769 AnalysisPeriodicEvent(1);
15770 StartAnalysisClock();
15775 PonderNextMoveEvent (int newState)
15777 if (newState == appData.ponderNextMove) return;
15778 if (gameMode == EditPosition) EditPositionDone(TRUE);
15780 SendToProgram("hard\n", &first);
15781 if (gameMode == TwoMachinesPlay) {
15782 SendToProgram("hard\n", &second);
15785 SendToProgram("easy\n", &first);
15786 thinkOutput[0] = NULLCHAR;
15787 if (gameMode == TwoMachinesPlay) {
15788 SendToProgram("easy\n", &second);
15791 appData.ponderNextMove = newState;
15795 NewSettingEvent (int option, int *feature, char *command, int value)
15799 if (gameMode == EditPosition) EditPositionDone(TRUE);
15800 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15801 if(feature == NULL || *feature) SendToProgram(buf, &first);
15802 if (gameMode == TwoMachinesPlay) {
15803 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15808 ShowThinkingEvent ()
15809 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15811 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15812 int newState = appData.showThinking
15813 // [HGM] thinking: other features now need thinking output as well
15814 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15816 if (oldState == newState) return;
15817 oldState = newState;
15818 if (gameMode == EditPosition) EditPositionDone(TRUE);
15820 SendToProgram("post\n", &first);
15821 if (gameMode == TwoMachinesPlay) {
15822 SendToProgram("post\n", &second);
15825 SendToProgram("nopost\n", &first);
15826 thinkOutput[0] = NULLCHAR;
15827 if (gameMode == TwoMachinesPlay) {
15828 SendToProgram("nopost\n", &second);
15831 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15835 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15837 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15838 if (pr == NoProc) return;
15839 AskQuestion(title, question, replyPrefix, pr);
15843 TypeInEvent (char firstChar)
15845 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15846 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15847 gameMode == AnalyzeMode || gameMode == EditGame ||
15848 gameMode == EditPosition || gameMode == IcsExamining ||
15849 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15850 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15851 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15852 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15853 gameMode == Training) PopUpMoveDialog(firstChar);
15857 TypeInDoneEvent (char *move)
15860 int n, fromX, fromY, toX, toY;
15862 ChessMove moveType;
15865 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15866 EditPositionPasteFEN(move);
15869 // [HGM] movenum: allow move number to be typed in any mode
15870 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15874 // undocumented kludge: allow command-line option to be typed in!
15875 // (potentially fatal, and does not implement the effect of the option.)
15876 // should only be used for options that are values on which future decisions will be made,
15877 // and definitely not on options that would be used during initialization.
15878 if(strstr(move, "!!! -") == move) {
15879 ParseArgsFromString(move+4);
15883 if (gameMode != EditGame && currentMove != forwardMostMove &&
15884 gameMode != Training) {
15885 DisplayMoveError(_("Displayed move is not current"));
15887 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15888 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15889 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15890 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15891 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15892 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15894 DisplayMoveError(_("Could not parse move"));
15900 DisplayMove (int moveNumber)
15902 char message[MSG_SIZ];
15904 char cpThinkOutput[MSG_SIZ];
15906 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15908 if (moveNumber == forwardMostMove - 1 ||
15909 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15911 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15913 if (strchr(cpThinkOutput, '\n')) {
15914 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15917 *cpThinkOutput = NULLCHAR;
15920 /* [AS] Hide thinking from human user */
15921 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15922 *cpThinkOutput = NULLCHAR;
15923 if( thinkOutput[0] != NULLCHAR ) {
15926 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15927 cpThinkOutput[i] = '.';
15929 cpThinkOutput[i] = NULLCHAR;
15930 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15934 if (moveNumber == forwardMostMove - 1 &&
15935 gameInfo.resultDetails != NULL) {
15936 if (gameInfo.resultDetails[0] == NULLCHAR) {
15937 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15939 snprintf(res, MSG_SIZ, " {%s} %s",
15940 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15946 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15947 DisplayMessage(res, cpThinkOutput);
15949 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15950 WhiteOnMove(moveNumber) ? " " : ".. ",
15951 parseList[moveNumber], res);
15952 DisplayMessage(message, cpThinkOutput);
15957 DisplayComment (int moveNumber, char *text)
15959 char title[MSG_SIZ];
15961 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15962 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15964 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15965 WhiteOnMove(moveNumber) ? " " : ".. ",
15966 parseList[moveNumber]);
15968 if (text != NULL && (appData.autoDisplayComment || commentUp))
15969 CommentPopUp(title, text);
15972 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15973 * might be busy thinking or pondering. It can be omitted if your
15974 * gnuchess is configured to stop thinking immediately on any user
15975 * input. However, that gnuchess feature depends on the FIONREAD
15976 * ioctl, which does not work properly on some flavors of Unix.
15979 Attention (ChessProgramState *cps)
15982 if (!cps->useSigint) return;
15983 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15984 switch (gameMode) {
15985 case MachinePlaysWhite:
15986 case MachinePlaysBlack:
15987 case TwoMachinesPlay:
15988 case IcsPlayingWhite:
15989 case IcsPlayingBlack:
15992 /* Skip if we know it isn't thinking */
15993 if (!cps->maybeThinking) return;
15994 if (appData.debugMode)
15995 fprintf(debugFP, "Interrupting %s\n", cps->which);
15996 InterruptChildProcess(cps->pr);
15997 cps->maybeThinking = FALSE;
16002 #endif /*ATTENTION*/
16008 if (whiteTimeRemaining <= 0) {
16011 if (appData.icsActive) {
16012 if (appData.autoCallFlag &&
16013 gameMode == IcsPlayingBlack && !blackFlag) {
16014 SendToICS(ics_prefix);
16015 SendToICS("flag\n");
16019 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16021 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16022 if (appData.autoCallFlag) {
16023 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16030 if (blackTimeRemaining <= 0) {
16033 if (appData.icsActive) {
16034 if (appData.autoCallFlag &&
16035 gameMode == IcsPlayingWhite && !whiteFlag) {
16036 SendToICS(ics_prefix);
16037 SendToICS("flag\n");
16041 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16043 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16044 if (appData.autoCallFlag) {
16045 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16056 CheckTimeControl ()
16058 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16059 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16062 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16064 if ( !WhiteOnMove(forwardMostMove) ) {
16065 /* White made time control */
16066 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16067 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16068 /* [HGM] time odds: correct new time quota for time odds! */
16069 / WhitePlayer()->timeOdds;
16070 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16072 lastBlack -= blackTimeRemaining;
16073 /* Black made time control */
16074 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16075 / WhitePlayer()->other->timeOdds;
16076 lastWhite = whiteTimeRemaining;
16081 DisplayBothClocks ()
16083 int wom = gameMode == EditPosition ?
16084 !blackPlaysFirst : WhiteOnMove(currentMove);
16085 DisplayWhiteClock(whiteTimeRemaining, wom);
16086 DisplayBlackClock(blackTimeRemaining, !wom);
16090 /* Timekeeping seems to be a portability nightmare. I think everyone
16091 has ftime(), but I'm really not sure, so I'm including some ifdefs
16092 to use other calls if you don't. Clocks will be less accurate if
16093 you have neither ftime nor gettimeofday.
16096 /* VS 2008 requires the #include outside of the function */
16097 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16098 #include <sys/timeb.h>
16101 /* Get the current time as a TimeMark */
16103 GetTimeMark (TimeMark *tm)
16105 #if HAVE_GETTIMEOFDAY
16107 struct timeval timeVal;
16108 struct timezone timeZone;
16110 gettimeofday(&timeVal, &timeZone);
16111 tm->sec = (long) timeVal.tv_sec;
16112 tm->ms = (int) (timeVal.tv_usec / 1000L);
16114 #else /*!HAVE_GETTIMEOFDAY*/
16117 // include <sys/timeb.h> / moved to just above start of function
16118 struct timeb timeB;
16121 tm->sec = (long) timeB.time;
16122 tm->ms = (int) timeB.millitm;
16124 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16125 tm->sec = (long) time(NULL);
16131 /* Return the difference in milliseconds between two
16132 time marks. We assume the difference will fit in a long!
16135 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16137 return 1000L*(tm2->sec - tm1->sec) +
16138 (long) (tm2->ms - tm1->ms);
16143 * Code to manage the game clocks.
16145 * In tournament play, black starts the clock and then white makes a move.
16146 * We give the human user a slight advantage if he is playing white---the
16147 * clocks don't run until he makes his first move, so it takes zero time.
16148 * Also, we don't account for network lag, so we could get out of sync
16149 * with GNU Chess's clock -- but then, referees are always right.
16152 static TimeMark tickStartTM;
16153 static long intendedTickLength;
16156 NextTickLength (long timeRemaining)
16158 long nominalTickLength, nextTickLength;
16160 if (timeRemaining > 0L && timeRemaining <= 10000L)
16161 nominalTickLength = 100L;
16163 nominalTickLength = 1000L;
16164 nextTickLength = timeRemaining % nominalTickLength;
16165 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16167 return nextTickLength;
16170 /* Adjust clock one minute up or down */
16172 AdjustClock (Boolean which, int dir)
16174 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16175 if(which) blackTimeRemaining += 60000*dir;
16176 else whiteTimeRemaining += 60000*dir;
16177 DisplayBothClocks();
16178 adjustedClock = TRUE;
16181 /* Stop clocks and reset to a fresh time control */
16185 (void) StopClockTimer();
16186 if (appData.icsActive) {
16187 whiteTimeRemaining = blackTimeRemaining = 0;
16188 } else if (searchTime) {
16189 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16190 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16191 } else { /* [HGM] correct new time quote for time odds */
16192 whiteTC = blackTC = fullTimeControlString;
16193 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16194 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16196 if (whiteFlag || blackFlag) {
16198 whiteFlag = blackFlag = FALSE;
16200 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16201 DisplayBothClocks();
16202 adjustedClock = FALSE;
16205 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16207 /* Decrement running clock by amount of time that has passed */
16211 long timeRemaining;
16212 long lastTickLength, fudge;
16215 if (!appData.clockMode) return;
16216 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16220 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16222 /* Fudge if we woke up a little too soon */
16223 fudge = intendedTickLength - lastTickLength;
16224 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16226 if (WhiteOnMove(forwardMostMove)) {
16227 if(whiteNPS >= 0) lastTickLength = 0;
16228 timeRemaining = whiteTimeRemaining -= lastTickLength;
16229 if(timeRemaining < 0 && !appData.icsActive) {
16230 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16231 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16232 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16233 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16236 DisplayWhiteClock(whiteTimeRemaining - fudge,
16237 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16239 if(blackNPS >= 0) lastTickLength = 0;
16240 timeRemaining = blackTimeRemaining -= lastTickLength;
16241 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16242 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16244 blackStartMove = forwardMostMove;
16245 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16248 DisplayBlackClock(blackTimeRemaining - fudge,
16249 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16251 if (CheckFlags()) return;
16253 if(twoBoards) { // count down secondary board's clocks as well
16254 activePartnerTime -= lastTickLength;
16256 if(activePartner == 'W')
16257 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16259 DisplayBlackClock(activePartnerTime, TRUE);
16264 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16265 StartClockTimer(intendedTickLength);
16267 /* if the time remaining has fallen below the alarm threshold, sound the
16268 * alarm. if the alarm has sounded and (due to a takeback or time control
16269 * with increment) the time remaining has increased to a level above the
16270 * threshold, reset the alarm so it can sound again.
16273 if (appData.icsActive && appData.icsAlarm) {
16275 /* make sure we are dealing with the user's clock */
16276 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16277 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16280 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16281 alarmSounded = FALSE;
16282 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16284 alarmSounded = TRUE;
16290 /* A player has just moved, so stop the previously running
16291 clock and (if in clock mode) start the other one.
16292 We redisplay both clocks in case we're in ICS mode, because
16293 ICS gives us an update to both clocks after every move.
16294 Note that this routine is called *after* forwardMostMove
16295 is updated, so the last fractional tick must be subtracted
16296 from the color that is *not* on move now.
16299 SwitchClocks (int newMoveNr)
16301 long lastTickLength;
16303 int flagged = FALSE;
16307 if (StopClockTimer() && appData.clockMode) {
16308 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16309 if (!WhiteOnMove(forwardMostMove)) {
16310 if(blackNPS >= 0) lastTickLength = 0;
16311 blackTimeRemaining -= lastTickLength;
16312 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16313 // if(pvInfoList[forwardMostMove].time == -1)
16314 pvInfoList[forwardMostMove].time = // use GUI time
16315 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16317 if(whiteNPS >= 0) lastTickLength = 0;
16318 whiteTimeRemaining -= lastTickLength;
16319 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16320 // if(pvInfoList[forwardMostMove].time == -1)
16321 pvInfoList[forwardMostMove].time =
16322 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16324 flagged = CheckFlags();
16326 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16327 CheckTimeControl();
16329 if (flagged || !appData.clockMode) return;
16331 switch (gameMode) {
16332 case MachinePlaysBlack:
16333 case MachinePlaysWhite:
16334 case BeginningOfGame:
16335 if (pausing) return;
16339 case PlayFromGameFile:
16347 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16348 if(WhiteOnMove(forwardMostMove))
16349 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16350 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16354 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16355 whiteTimeRemaining : blackTimeRemaining);
16356 StartClockTimer(intendedTickLength);
16360 /* Stop both clocks */
16364 long lastTickLength;
16367 if (!StopClockTimer()) return;
16368 if (!appData.clockMode) return;
16372 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16373 if (WhiteOnMove(forwardMostMove)) {
16374 if(whiteNPS >= 0) lastTickLength = 0;
16375 whiteTimeRemaining -= lastTickLength;
16376 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16378 if(blackNPS >= 0) lastTickLength = 0;
16379 blackTimeRemaining -= lastTickLength;
16380 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16385 /* Start clock of player on move. Time may have been reset, so
16386 if clock is already running, stop and restart it. */
16390 (void) StopClockTimer(); /* in case it was running already */
16391 DisplayBothClocks();
16392 if (CheckFlags()) return;
16394 if (!appData.clockMode) return;
16395 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16397 GetTimeMark(&tickStartTM);
16398 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16399 whiteTimeRemaining : blackTimeRemaining);
16401 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16402 whiteNPS = blackNPS = -1;
16403 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16404 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16405 whiteNPS = first.nps;
16406 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16407 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16408 blackNPS = first.nps;
16409 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16410 whiteNPS = second.nps;
16411 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16412 blackNPS = second.nps;
16413 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16415 StartClockTimer(intendedTickLength);
16419 TimeString (long ms)
16421 long second, minute, hour, day;
16423 static char buf[32];
16425 if (ms > 0 && ms <= 9900) {
16426 /* convert milliseconds to tenths, rounding up */
16427 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16429 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16433 /* convert milliseconds to seconds, rounding up */
16434 /* use floating point to avoid strangeness of integer division
16435 with negative dividends on many machines */
16436 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16443 day = second / (60 * 60 * 24);
16444 second = second % (60 * 60 * 24);
16445 hour = second / (60 * 60);
16446 second = second % (60 * 60);
16447 minute = second / 60;
16448 second = second % 60;
16451 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16452 sign, day, hour, minute, second);
16454 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16456 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16463 * This is necessary because some C libraries aren't ANSI C compliant yet.
16466 StrStr (char *string, char *match)
16470 length = strlen(match);
16472 for (i = strlen(string) - length; i >= 0; i--, string++)
16473 if (!strncmp(match, string, length))
16480 StrCaseStr (char *string, char *match)
16484 length = strlen(match);
16486 for (i = strlen(string) - length; i >= 0; i--, string++) {
16487 for (j = 0; j < length; j++) {
16488 if (ToLower(match[j]) != ToLower(string[j]))
16491 if (j == length) return string;
16499 StrCaseCmp (char *s1, char *s2)
16504 c1 = ToLower(*s1++);
16505 c2 = ToLower(*s2++);
16506 if (c1 > c2) return 1;
16507 if (c1 < c2) return -1;
16508 if (c1 == NULLCHAR) return 0;
16516 return isupper(c) ? tolower(c) : c;
16523 return islower(c) ? toupper(c) : c;
16525 #endif /* !_amigados */
16532 if ((ret = (char *) malloc(strlen(s) + 1)))
16534 safeStrCpy(ret, s, strlen(s)+1);
16540 StrSavePtr (char *s, char **savePtr)
16545 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16546 safeStrCpy(*savePtr, s, strlen(s)+1);
16558 clock = time((time_t *)NULL);
16559 tm = localtime(&clock);
16560 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16561 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16562 return StrSave(buf);
16567 PositionToFEN (int move, char *overrideCastling)
16569 int i, j, fromX, fromY, toX, toY;
16576 whiteToPlay = (gameMode == EditPosition) ?
16577 !blackPlaysFirst : (move % 2 == 0);
16580 /* Piece placement data */
16581 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16582 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16584 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16585 if (boards[move][i][j] == EmptySquare) {
16587 } else { ChessSquare piece = boards[move][i][j];
16588 if (emptycount > 0) {
16589 if(emptycount<10) /* [HGM] can be >= 10 */
16590 *p++ = '0' + emptycount;
16591 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16594 if(PieceToChar(piece) == '+') {
16595 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16597 piece = (ChessSquare)(DEMOTED piece);
16599 *p++ = PieceToChar(piece);
16601 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16602 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16607 if (emptycount > 0) {
16608 if(emptycount<10) /* [HGM] can be >= 10 */
16609 *p++ = '0' + emptycount;
16610 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16617 /* [HGM] print Crazyhouse or Shogi holdings */
16618 if( gameInfo.holdingsWidth ) {
16619 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16621 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16622 piece = boards[move][i][BOARD_WIDTH-1];
16623 if( piece != EmptySquare )
16624 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16625 *p++ = PieceToChar(piece);
16627 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16628 piece = boards[move][BOARD_HEIGHT-i-1][0];
16629 if( piece != EmptySquare )
16630 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16631 *p++ = PieceToChar(piece);
16634 if( q == p ) *p++ = '-';
16640 *p++ = whiteToPlay ? 'w' : 'b';
16643 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16644 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16646 if(nrCastlingRights) {
16648 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16649 /* [HGM] write directly from rights */
16650 if(boards[move][CASTLING][2] != NoRights &&
16651 boards[move][CASTLING][0] != NoRights )
16652 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16653 if(boards[move][CASTLING][2] != NoRights &&
16654 boards[move][CASTLING][1] != NoRights )
16655 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16656 if(boards[move][CASTLING][5] != NoRights &&
16657 boards[move][CASTLING][3] != NoRights )
16658 *p++ = boards[move][CASTLING][3] + AAA;
16659 if(boards[move][CASTLING][5] != NoRights &&
16660 boards[move][CASTLING][4] != NoRights )
16661 *p++ = boards[move][CASTLING][4] + AAA;
16664 /* [HGM] write true castling rights */
16665 if( nrCastlingRights == 6 ) {
16666 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16667 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16668 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16669 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16670 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16671 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16672 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16673 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16676 if (q == p) *p++ = '-'; /* No castling rights */
16680 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16681 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16682 /* En passant target square */
16683 if (move > backwardMostMove) {
16684 fromX = moveList[move - 1][0] - AAA;
16685 fromY = moveList[move - 1][1] - ONE;
16686 toX = moveList[move - 1][2] - AAA;
16687 toY = moveList[move - 1][3] - ONE;
16688 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16689 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16690 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16692 /* 2-square pawn move just happened */
16694 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16698 } else if(move == backwardMostMove) {
16699 // [HGM] perhaps we should always do it like this, and forget the above?
16700 if((signed char)boards[move][EP_STATUS] >= 0) {
16701 *p++ = boards[move][EP_STATUS] + AAA;
16702 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16713 /* [HGM] find reversible plies */
16714 { int i = 0, j=move;
16716 if (appData.debugMode) { int k;
16717 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16718 for(k=backwardMostMove; k<=forwardMostMove; k++)
16719 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16723 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16724 if( j == backwardMostMove ) i += initialRulePlies;
16725 sprintf(p, "%d ", i);
16726 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16728 /* Fullmove number */
16729 sprintf(p, "%d", (move / 2) + 1);
16731 return StrSave(buf);
16735 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16744 /* [HGM] by default clear Crazyhouse holdings, if present */
16745 if(gameInfo.holdingsWidth) {
16746 for(i=0; i<BOARD_HEIGHT; i++) {
16747 board[i][0] = EmptySquare; /* black holdings */
16748 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16749 board[i][1] = (ChessSquare) 0; /* black counts */
16750 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16754 /* Piece placement data */
16755 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16758 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16759 if (*p == '/') p++;
16760 emptycount = gameInfo.boardWidth - j;
16761 while (emptycount--)
16762 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16764 #if(BOARD_FILES >= 10)
16765 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16766 p++; emptycount=10;
16767 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16768 while (emptycount--)
16769 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16771 } else if (isdigit(*p)) {
16772 emptycount = *p++ - '0';
16773 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16774 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16775 while (emptycount--)
16776 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16777 } else if (*p == '+' || isalpha(*p)) {
16778 if (j >= gameInfo.boardWidth) return FALSE;
16780 piece = CharToPiece(*++p);
16781 if(piece == EmptySquare) return FALSE; /* unknown piece */
16782 piece = (ChessSquare) (PROMOTED piece ); p++;
16783 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16784 } else piece = CharToPiece(*p++);
16786 if(piece==EmptySquare) return FALSE; /* unknown piece */
16787 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16788 piece = (ChessSquare) (PROMOTED piece);
16789 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16792 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16798 while (*p == '/' || *p == ' ') p++;
16800 /* [HGM] look for Crazyhouse holdings here */
16801 while(*p==' ') p++;
16802 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16804 if(*p == '-' ) p++; /* empty holdings */ else {
16805 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16806 /* if we would allow FEN reading to set board size, we would */
16807 /* have to add holdings and shift the board read so far here */
16808 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16810 if((int) piece >= (int) BlackPawn ) {
16811 i = (int)piece - (int)BlackPawn;
16812 i = PieceToNumber((ChessSquare)i);
16813 if( i >= gameInfo.holdingsSize ) return FALSE;
16814 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16815 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16817 i = (int)piece - (int)WhitePawn;
16818 i = PieceToNumber((ChessSquare)i);
16819 if( i >= gameInfo.holdingsSize ) return FALSE;
16820 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16821 board[i][BOARD_WIDTH-2]++; /* black holdings */
16828 while(*p == ' ') p++;
16832 if(appData.colorNickNames) {
16833 if( c == appData.colorNickNames[0] ) c = 'w'; else
16834 if( c == appData.colorNickNames[1] ) c = 'b';
16838 *blackPlaysFirst = FALSE;
16841 *blackPlaysFirst = TRUE;
16847 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16848 /* return the extra info in global variiables */
16850 /* set defaults in case FEN is incomplete */
16851 board[EP_STATUS] = EP_UNKNOWN;
16852 for(i=0; i<nrCastlingRights; i++ ) {
16853 board[CASTLING][i] =
16854 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16855 } /* assume possible unless obviously impossible */
16856 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16857 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16858 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16859 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16860 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16861 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16862 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16863 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16866 while(*p==' ') p++;
16867 if(nrCastlingRights) {
16868 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16869 /* castling indicator present, so default becomes no castlings */
16870 for(i=0; i<nrCastlingRights; i++ ) {
16871 board[CASTLING][i] = NoRights;
16874 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16875 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16876 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16877 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16878 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16880 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16881 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16882 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16884 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16885 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16886 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16887 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16888 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16889 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16892 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16893 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16894 board[CASTLING][2] = whiteKingFile;
16897 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16898 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16899 board[CASTLING][2] = whiteKingFile;
16902 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16903 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16904 board[CASTLING][5] = blackKingFile;
16907 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16908 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16909 board[CASTLING][5] = blackKingFile;
16912 default: /* FRC castlings */
16913 if(c >= 'a') { /* black rights */
16914 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16915 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16916 if(i == BOARD_RGHT) break;
16917 board[CASTLING][5] = i;
16919 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16920 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16922 board[CASTLING][3] = c;
16924 board[CASTLING][4] = c;
16925 } else { /* white rights */
16926 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16927 if(board[0][i] == WhiteKing) break;
16928 if(i == BOARD_RGHT) break;
16929 board[CASTLING][2] = i;
16930 c -= AAA - 'a' + 'A';
16931 if(board[0][c] >= WhiteKing) break;
16933 board[CASTLING][0] = c;
16935 board[CASTLING][1] = c;
16939 for(i=0; i<nrCastlingRights; i++)
16940 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16941 if (appData.debugMode) {
16942 fprintf(debugFP, "FEN castling rights:");
16943 for(i=0; i<nrCastlingRights; i++)
16944 fprintf(debugFP, " %d", board[CASTLING][i]);
16945 fprintf(debugFP, "\n");
16948 while(*p==' ') p++;
16951 /* read e.p. field in games that know e.p. capture */
16952 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16953 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16955 p++; board[EP_STATUS] = EP_NONE;
16957 char c = *p++ - AAA;
16959 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16960 if(*p >= '0' && *p <='9') p++;
16961 board[EP_STATUS] = c;
16966 if(sscanf(p, "%d", &i) == 1) {
16967 FENrulePlies = i; /* 50-move ply counter */
16968 /* (The move number is still ignored) */
16975 EditPositionPasteFEN (char *fen)
16978 Board initial_position;
16980 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16981 DisplayError(_("Bad FEN position in clipboard"), 0);
16984 int savedBlackPlaysFirst = blackPlaysFirst;
16985 EditPositionEvent();
16986 blackPlaysFirst = savedBlackPlaysFirst;
16987 CopyBoard(boards[0], initial_position);
16988 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16989 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16990 DisplayBothClocks();
16991 DrawPosition(FALSE, boards[currentMove]);
16996 static char cseq[12] = "\\ ";
16999 set_cont_sequence (char *new_seq)
17004 // handle bad attempts to set the sequence
17006 return 0; // acceptable error - no debug
17008 len = strlen(new_seq);
17009 ret = (len > 0) && (len < sizeof(cseq));
17011 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17012 else if (appData.debugMode)
17013 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17018 reformat a source message so words don't cross the width boundary. internal
17019 newlines are not removed. returns the wrapped size (no null character unless
17020 included in source message). If dest is NULL, only calculate the size required
17021 for the dest buffer. lp argument indicats line position upon entry, and it's
17022 passed back upon exit.
17025 wrap (char *dest, char *src, int count, int width, int *lp)
17027 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17029 cseq_len = strlen(cseq);
17030 old_line = line = *lp;
17031 ansi = len = clen = 0;
17033 for (i=0; i < count; i++)
17035 if (src[i] == '\033')
17038 // if we hit the width, back up
17039 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17041 // store i & len in case the word is too long
17042 old_i = i, old_len = len;
17044 // find the end of the last word
17045 while (i && src[i] != ' ' && src[i] != '\n')
17051 // word too long? restore i & len before splitting it
17052 if ((old_i-i+clen) >= width)
17059 if (i && src[i-1] == ' ')
17062 if (src[i] != ' ' && src[i] != '\n')
17069 // now append the newline and continuation sequence
17074 strncpy(dest+len, cseq, cseq_len);
17082 dest[len] = src[i];
17086 if (src[i] == '\n')
17091 if (dest && appData.debugMode)
17093 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17094 count, width, line, len, *lp);
17095 show_bytes(debugFP, src, count);
17096 fprintf(debugFP, "\ndest: ");
17097 show_bytes(debugFP, dest, len);
17098 fprintf(debugFP, "\n");
17100 *lp = dest ? line : old_line;
17105 // [HGM] vari: routines for shelving variations
17106 Boolean modeRestore = FALSE;
17109 PushInner (int firstMove, int lastMove)
17111 int i, j, nrMoves = lastMove - firstMove;
17113 // push current tail of game on stack
17114 savedResult[storedGames] = gameInfo.result;
17115 savedDetails[storedGames] = gameInfo.resultDetails;
17116 gameInfo.resultDetails = NULL;
17117 savedFirst[storedGames] = firstMove;
17118 savedLast [storedGames] = lastMove;
17119 savedFramePtr[storedGames] = framePtr;
17120 framePtr -= nrMoves; // reserve space for the boards
17121 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17122 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17123 for(j=0; j<MOVE_LEN; j++)
17124 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17125 for(j=0; j<2*MOVE_LEN; j++)
17126 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17127 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17128 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17129 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17130 pvInfoList[firstMove+i-1].depth = 0;
17131 commentList[framePtr+i] = commentList[firstMove+i];
17132 commentList[firstMove+i] = NULL;
17136 forwardMostMove = firstMove; // truncate game so we can start variation
17140 PushTail (int firstMove, int lastMove)
17142 if(appData.icsActive) { // only in local mode
17143 forwardMostMove = currentMove; // mimic old ICS behavior
17146 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17148 PushInner(firstMove, lastMove);
17149 if(storedGames == 1) GreyRevert(FALSE);
17150 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17154 PopInner (Boolean annotate)
17157 char buf[8000], moveBuf[20];
17159 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17160 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17161 nrMoves = savedLast[storedGames] - currentMove;
17164 if(!WhiteOnMove(currentMove))
17165 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17166 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17167 for(i=currentMove; i<forwardMostMove; i++) {
17169 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17170 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17171 strcat(buf, moveBuf);
17172 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17173 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17177 for(i=1; i<=nrMoves; i++) { // copy last variation back
17178 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17179 for(j=0; j<MOVE_LEN; j++)
17180 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17181 for(j=0; j<2*MOVE_LEN; j++)
17182 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17183 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17184 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17185 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17186 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17187 commentList[currentMove+i] = commentList[framePtr+i];
17188 commentList[framePtr+i] = NULL;
17190 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17191 framePtr = savedFramePtr[storedGames];
17192 gameInfo.result = savedResult[storedGames];
17193 if(gameInfo.resultDetails != NULL) {
17194 free(gameInfo.resultDetails);
17196 gameInfo.resultDetails = savedDetails[storedGames];
17197 forwardMostMove = currentMove + nrMoves;
17201 PopTail (Boolean annotate)
17203 if(appData.icsActive) return FALSE; // only in local mode
17204 if(!storedGames) return FALSE; // sanity
17205 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17207 PopInner(annotate);
17208 if(currentMove < forwardMostMove) ForwardEvent(); else
17209 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17211 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17217 { // remove all shelved variations
17219 for(i=0; i<storedGames; i++) {
17220 if(savedDetails[i])
17221 free(savedDetails[i]);
17222 savedDetails[i] = NULL;
17224 for(i=framePtr; i<MAX_MOVES; i++) {
17225 if(commentList[i]) free(commentList[i]);
17226 commentList[i] = NULL;
17228 framePtr = MAX_MOVES-1;
17233 LoadVariation (int index, char *text)
17234 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17235 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17236 int level = 0, move;
17238 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17239 // first find outermost bracketing variation
17240 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17241 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17242 if(*p == '{') wait = '}'; else
17243 if(*p == '[') wait = ']'; else
17244 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17245 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17247 if(*p == wait) wait = NULLCHAR; // closing ]} found
17250 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17251 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17252 end[1] = NULLCHAR; // clip off comment beyond variation
17253 ToNrEvent(currentMove-1);
17254 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17255 // kludge: use ParsePV() to append variation to game
17256 move = currentMove;
17257 ParsePV(start, TRUE, TRUE);
17258 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17259 ClearPremoveHighlights();
17261 ToNrEvent(currentMove+1);