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; // [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;
459 Boolean adjustedClock;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [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);
924 } else if(p != engineName) { // derive directory from engine path, when not given
926 ASSIGN(appData.directory[i], engineName);
928 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
929 } else { ASSIGN(appData.directory[i], "."); }
931 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
932 snprintf(command, MSG_SIZ, "%s %s", p, params);
935 ASSIGN(appData.chessProgram[i], p);
936 appData.isUCI[i] = isUCI;
937 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
938 appData.hasOwnBookUCI[i] = hasBook;
939 if(!nickName[0]) useNick = FALSE;
940 if(useNick) ASSIGN(appData.pgnName[i], nickName);
944 q = firstChessProgramNames;
945 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
946 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
948 quote, p, quote, appData.directory[i],
949 useNick ? " -fn \"" : "",
950 useNick ? nickName : "",
952 v1 ? " -firstProtocolVersion 1" : "",
953 hasBook ? "" : " -fNoOwnBookUCI",
954 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
955 storeVariant ? " -variant " : "",
956 storeVariant ? VariantName(gameInfo.variant) : "");
957 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
958 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
959 if(insert != q) insert[-1] = NULLCHAR;
960 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
962 FloatToFront(&appData.recentEngineList, buf);
964 ReplaceEngine(cps, i);
970 int matched, min, sec;
972 * Parse timeControl resource
974 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
975 appData.movesPerSession)) {
977 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
978 DisplayFatalError(buf, 0, 2);
982 * Parse searchTime resource
984 if (*appData.searchTime != NULLCHAR) {
985 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
987 searchTime = min * 60;
988 } else if (matched == 2) {
989 searchTime = min * 60 + sec;
992 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
993 DisplayFatalError(buf, 0, 2);
1002 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1003 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1005 GetTimeMark(&programStartTime);
1006 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1007 appData.seedBase = random() + (random()<<15);
1008 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1010 ClearProgramStats();
1011 programStats.ok_to_send = 1;
1012 programStats.seen_stat = 0;
1015 * Initialize game list
1021 * Internet chess server status
1023 if (appData.icsActive) {
1024 appData.matchMode = FALSE;
1025 appData.matchGames = 0;
1027 appData.noChessProgram = !appData.zippyPlay;
1029 appData.zippyPlay = FALSE;
1030 appData.zippyTalk = FALSE;
1031 appData.noChessProgram = TRUE;
1033 if (*appData.icsHelper != NULLCHAR) {
1034 appData.useTelnet = TRUE;
1035 appData.telnetProgram = appData.icsHelper;
1038 appData.zippyTalk = appData.zippyPlay = FALSE;
1041 /* [AS] Initialize pv info list [HGM] and game state */
1045 for( i=0; i<=framePtr; i++ ) {
1046 pvInfoList[i].depth = -1;
1047 boards[i][EP_STATUS] = EP_NONE;
1048 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1054 /* [AS] Adjudication threshold */
1055 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1057 InitEngine(&first, 0);
1058 InitEngine(&second, 1);
1061 pairing.which = "pairing"; // pairing engine
1062 pairing.pr = NoProc;
1064 pairing.program = appData.pairingEngine;
1065 pairing.host = "localhost";
1068 if (appData.icsActive) {
1069 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1070 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1071 appData.clockMode = FALSE;
1072 first.sendTime = second.sendTime = 0;
1076 /* Override some settings from environment variables, for backward
1077 compatibility. Unfortunately it's not feasible to have the env
1078 vars just set defaults, at least in xboard. Ugh.
1080 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1085 if (!appData.icsActive) {
1089 /* Check for variants that are supported only in ICS mode,
1090 or not at all. Some that are accepted here nevertheless
1091 have bugs; see comments below.
1093 VariantClass variant = StringToVariant(appData.variant);
1095 case VariantBughouse: /* need four players and two boards */
1096 case VariantKriegspiel: /* need to hide pieces and move details */
1097 /* case VariantFischeRandom: (Fabien: moved below) */
1098 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1099 if( (len >= MSG_SIZ) && appData.debugMode )
1100 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1102 DisplayFatalError(buf, 0, 2);
1105 case VariantUnknown:
1106 case VariantLoadable:
1116 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1117 if( (len >= MSG_SIZ) && appData.debugMode )
1118 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1120 DisplayFatalError(buf, 0, 2);
1123 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1124 case VariantFairy: /* [HGM] TestLegality definitely off! */
1125 case VariantGothic: /* [HGM] should work */
1126 case VariantCapablanca: /* [HGM] should work */
1127 case VariantCourier: /* [HGM] initial forced moves not implemented */
1128 case VariantShogi: /* [HGM] could still mate with pawn drop */
1129 case VariantKnightmate: /* [HGM] should work */
1130 case VariantCylinder: /* [HGM] untested */
1131 case VariantFalcon: /* [HGM] untested */
1132 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1133 offboard interposition not understood */
1134 case VariantNormal: /* definitely works! */
1135 case VariantWildCastle: /* pieces not automatically shuffled */
1136 case VariantNoCastle: /* pieces not automatically shuffled */
1137 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1138 case VariantLosers: /* should work except for win condition,
1139 and doesn't know captures are mandatory */
1140 case VariantSuicide: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantGiveaway: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantTwoKings: /* should work */
1145 case VariantAtomic: /* should work except for win condition */
1146 case Variant3Check: /* should work except for win condition */
1147 case VariantShatranj: /* should work except for all win conditions */
1148 case VariantMakruk: /* should work except for draw countdown */
1149 case VariantBerolina: /* might work if TestLegality is off */
1150 case VariantCapaRandom: /* should work */
1151 case VariantJanus: /* should work */
1152 case VariantSuper: /* experimental */
1153 case VariantGreat: /* experimental, requires legality testing to be off */
1154 case VariantSChess: /* S-Chess, should work */
1155 case VariantGrand: /* should work */
1156 case VariantSpartan: /* should work */
1164 NextIntegerFromString (char ** str, long * value)
1169 while( *s == ' ' || *s == '\t' ) {
1175 if( *s >= '0' && *s <= '9' ) {
1176 while( *s >= '0' && *s <= '9' ) {
1177 *value = *value * 10 + (*s - '0');
1190 NextTimeControlFromString (char ** str, long * value)
1193 int result = NextIntegerFromString( str, &temp );
1196 *value = temp * 60; /* Minutes */
1197 if( **str == ':' ) {
1199 result = NextIntegerFromString( str, &temp );
1200 *value += temp; /* Seconds */
1208 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1209 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1210 int result = -1, type = 0; long temp, temp2;
1212 if(**str != ':') return -1; // old params remain in force!
1214 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1215 if( NextIntegerFromString( str, &temp ) ) return -1;
1216 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1219 /* time only: incremental or sudden-death time control */
1220 if(**str == '+') { /* increment follows; read it */
1222 if(**str == '!') type = *(*str)++; // Bronstein TC
1223 if(result = NextIntegerFromString( str, &temp2)) return -1;
1224 *inc = temp2 * 1000;
1225 if(**str == '.') { // read fraction of increment
1226 char *start = ++(*str);
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1229 while(start++ < *str) temp2 /= 10;
1233 *moves = 0; *tc = temp * 1000; *incType = type;
1237 (*str)++; /* classical time control */
1238 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1250 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1251 { /* [HGM] get time to add from the multi-session time-control string */
1252 int incType, moves=1; /* kludge to force reading of first session */
1253 long time, increment;
1256 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1258 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1259 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1260 if(movenr == -1) return time; /* last move before new session */
1261 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1262 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1263 if(!moves) return increment; /* current session is incremental */
1264 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1265 } while(movenr >= -1); /* try again for next session */
1267 return 0; // no new time quota on this move
1271 ParseTimeControl (char *tc, float ti, int mps)
1275 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1278 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1279 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1280 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1284 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1286 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1291 snprintf(buf, MSG_SIZ, ":%s", mytc);
1293 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1295 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1300 /* Parse second time control */
1303 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1311 timeControl_2 = tc2 * 1000;
1321 timeControl = tc1 * 1000;
1324 timeIncrement = ti * 1000; /* convert to ms */
1325 movesPerSession = 0;
1328 movesPerSession = mps;
1336 if (appData.debugMode) {
1337 fprintf(debugFP, "%s\n", programVersion);
1339 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1341 set_cont_sequence(appData.wrapContSeq);
1342 if (appData.matchGames > 0) {
1343 appData.matchMode = TRUE;
1344 } else if (appData.matchMode) {
1345 appData.matchGames = 1;
1347 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1348 appData.matchGames = appData.sameColorGames;
1349 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1350 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1351 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1354 if (appData.noChessProgram || first.protocolVersion == 1) {
1357 /* kludge: allow timeout for initial "feature" commands */
1359 DisplayMessage("", _("Starting chess program"));
1360 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1365 CalculateIndex (int index, int gameNr)
1366 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1368 if(index > 0) return index; // fixed nmber
1369 if(index == 0) return 1;
1370 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1371 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1376 LoadGameOrPosition (int gameNr)
1377 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1378 if (*appData.loadGameFile != NULLCHAR) {
1379 if (!LoadGameFromFile(appData.loadGameFile,
1380 CalculateIndex(appData.loadGameIndex, gameNr),
1381 appData.loadGameFile, FALSE)) {
1382 DisplayFatalError(_("Bad game file"), 0, 1);
1385 } else if (*appData.loadPositionFile != NULLCHAR) {
1386 if (!LoadPositionFromFile(appData.loadPositionFile,
1387 CalculateIndex(appData.loadPositionIndex, gameNr),
1388 appData.loadPositionFile)) {
1389 DisplayFatalError(_("Bad position file"), 0, 1);
1397 ReserveGame (int gameNr, char resChar)
1399 FILE *tf = fopen(appData.tourneyFile, "r+");
1400 char *p, *q, c, buf[MSG_SIZ];
1401 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1402 safeStrCpy(buf, lastMsg, MSG_SIZ);
1403 DisplayMessage(_("Pick new game"), "");
1404 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1405 ParseArgsFromFile(tf);
1406 p = q = appData.results;
1407 if(appData.debugMode) {
1408 char *r = appData.participants;
1409 fprintf(debugFP, "results = '%s'\n", p);
1410 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1411 fprintf(debugFP, "\n");
1413 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1415 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1416 safeStrCpy(q, p, strlen(p) + 2);
1417 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1418 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1420 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1423 fseek(tf, -(strlen(p)+4), SEEK_END);
1425 if(c != '"') // depending on DOS or Unix line endings we can be one off
1426 fseek(tf, -(strlen(p)+2), SEEK_END);
1427 else fseek(tf, -(strlen(p)+3), SEEK_END);
1428 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1429 DisplayMessage(buf, "");
1430 free(p); appData.results = q;
1431 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1432 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1433 int round = appData.defaultMatchGames * appData.tourneyType;
1434 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1435 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1436 UnloadEngine(&first); // next game belongs to other pairing;
1437 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1439 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1443 MatchEvent (int mode)
1444 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1446 if(matchMode) { // already in match mode: switch it off
1448 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1451 // if(gameMode != BeginningOfGame) {
1452 // DisplayError(_("You can only start a match from the initial position."), 0);
1456 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1457 /* Set up machine vs. machine match */
1459 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1460 if(appData.tourneyFile[0]) {
1462 if(nextGame > appData.matchGames) {
1464 if(strchr(appData.results, '*') == NULL) {
1466 appData.tourneyCycles++;
1467 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1469 NextTourneyGame(-1, &dummy);
1471 if(nextGame <= appData.matchGames) {
1472 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1474 ScheduleDelayedEvent(NextMatchGame, 10000);
1479 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1480 DisplayError(buf, 0);
1481 appData.tourneyFile[0] = 0;
1485 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1486 DisplayFatalError(_("Can't have a match with no chess programs"),
1491 matchGame = roundNr = 1;
1492 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1496 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1499 InitBackEnd3 P((void))
1501 GameMode initialMode;
1505 InitChessProgram(&first, startedFromSetupPosition);
1507 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1508 free(programVersion);
1509 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1510 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1511 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1514 if (appData.icsActive) {
1516 /* [DM] Make a console window if needed [HGM] merged ifs */
1522 if (*appData.icsCommPort != NULLCHAR)
1523 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1524 appData.icsCommPort);
1526 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1527 appData.icsHost, appData.icsPort);
1529 if( (len >= MSG_SIZ) && appData.debugMode )
1530 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1532 DisplayFatalError(buf, err, 1);
1537 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1539 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1540 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1541 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1542 } else if (appData.noChessProgram) {
1548 if (*appData.cmailGameName != NULLCHAR) {
1550 OpenLoopback(&cmailPR);
1552 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1556 DisplayMessage("", "");
1557 if (StrCaseCmp(appData.initialMode, "") == 0) {
1558 initialMode = BeginningOfGame;
1559 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1560 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1561 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1562 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1565 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1566 initialMode = TwoMachinesPlay;
1567 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1568 initialMode = AnalyzeFile;
1569 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1570 initialMode = AnalyzeMode;
1571 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1572 initialMode = MachinePlaysWhite;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1574 initialMode = MachinePlaysBlack;
1575 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1576 initialMode = EditGame;
1577 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1578 initialMode = EditPosition;
1579 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1580 initialMode = Training;
1582 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1583 if( (len >= MSG_SIZ) && appData.debugMode )
1584 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1586 DisplayFatalError(buf, 0, 2);
1590 if (appData.matchMode) {
1591 if(appData.tourneyFile[0]) { // start tourney from command line
1593 if(f = fopen(appData.tourneyFile, "r")) {
1594 ParseArgsFromFile(f); // make sure tourney parmeters re known
1596 appData.clockMode = TRUE;
1598 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1601 } else if (*appData.cmailGameName != NULLCHAR) {
1602 /* Set up cmail mode */
1603 ReloadCmailMsgEvent(TRUE);
1605 /* Set up other modes */
1606 if (initialMode == AnalyzeFile) {
1607 if (*appData.loadGameFile == NULLCHAR) {
1608 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1612 if (*appData.loadGameFile != NULLCHAR) {
1613 (void) LoadGameFromFile(appData.loadGameFile,
1614 appData.loadGameIndex,
1615 appData.loadGameFile, TRUE);
1616 } else if (*appData.loadPositionFile != NULLCHAR) {
1617 (void) LoadPositionFromFile(appData.loadPositionFile,
1618 appData.loadPositionIndex,
1619 appData.loadPositionFile);
1620 /* [HGM] try to make self-starting even after FEN load */
1621 /* to allow automatic setup of fairy variants with wtm */
1622 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1623 gameMode = BeginningOfGame;
1624 setboardSpoiledMachineBlack = 1;
1626 /* [HGM] loadPos: make that every new game uses the setup */
1627 /* from file as long as we do not switch variant */
1628 if(!blackPlaysFirst) {
1629 startedFromPositionFile = TRUE;
1630 CopyBoard(filePosition, boards[0]);
1633 if (initialMode == AnalyzeMode) {
1634 if (appData.noChessProgram) {
1635 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1638 if (appData.icsActive) {
1639 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1643 } else if (initialMode == AnalyzeFile) {
1644 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1645 ShowThinkingEvent();
1647 AnalysisPeriodicEvent(1);
1648 } else if (initialMode == MachinePlaysWhite) {
1649 if (appData.noChessProgram) {
1650 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1659 MachineWhiteEvent();
1660 } else if (initialMode == MachinePlaysBlack) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1666 if (appData.icsActive) {
1667 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1671 MachineBlackEvent();
1672 } else if (initialMode == TwoMachinesPlay) {
1673 if (appData.noChessProgram) {
1674 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1678 if (appData.icsActive) {
1679 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1684 } else if (initialMode == EditGame) {
1686 } else if (initialMode == EditPosition) {
1687 EditPositionEvent();
1688 } else if (initialMode == Training) {
1689 if (*appData.loadGameFile == NULLCHAR) {
1690 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1699 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1701 DisplayBook(current+1);
1703 MoveHistorySet( movelist, first, last, current, pvInfoList );
1705 EvalGraphSet( first, last, current, pvInfoList );
1707 MakeEngineOutputTitle();
1711 * Establish will establish a contact to a remote host.port.
1712 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1713 * used to talk to the host.
1714 * Returns 0 if okay, error code if not.
1721 if (*appData.icsCommPort != NULLCHAR) {
1722 /* Talk to the host through a serial comm port */
1723 return OpenCommPort(appData.icsCommPort, &icsPR);
1725 } else if (*appData.gateway != NULLCHAR) {
1726 if (*appData.remoteShell == NULLCHAR) {
1727 /* Use the rcmd protocol to run telnet program on a gateway host */
1728 snprintf(buf, sizeof(buf), "%s %s %s",
1729 appData.telnetProgram, appData.icsHost, appData.icsPort);
1730 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1733 /* Use the rsh program to run telnet program on a gateway host */
1734 if (*appData.remoteUser == NULLCHAR) {
1735 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1736 appData.gateway, appData.telnetProgram,
1737 appData.icsHost, appData.icsPort);
1739 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1740 appData.remoteShell, appData.gateway,
1741 appData.remoteUser, appData.telnetProgram,
1742 appData.icsHost, appData.icsPort);
1744 return StartChildProcess(buf, "", &icsPR);
1747 } else if (appData.useTelnet) {
1748 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1751 /* TCP socket interface differs somewhat between
1752 Unix and NT; handle details in the front end.
1754 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1759 EscapeExpand (char *p, char *q)
1760 { // [HGM] initstring: routine to shape up string arguments
1761 while(*p++ = *q++) if(p[-1] == '\\')
1763 case 'n': p[-1] = '\n'; break;
1764 case 'r': p[-1] = '\r'; break;
1765 case 't': p[-1] = '\t'; break;
1766 case '\\': p[-1] = '\\'; break;
1767 case 0: *p = 0; return;
1768 default: p[-1] = q[-1]; break;
1773 show_bytes (FILE *fp, char *buf, int count)
1776 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1777 fprintf(fp, "\\%03o", *buf & 0xff);
1786 /* Returns an errno value */
1788 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1790 char buf[8192], *p, *q, *buflim;
1791 int left, newcount, outcount;
1793 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1794 *appData.gateway != NULLCHAR) {
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, message, count);
1798 fprintf(debugFP, "\n");
1800 return OutputToProcess(pr, message, count, outError);
1803 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1810 if (appData.debugMode) {
1811 fprintf(debugFP, ">ICS: ");
1812 show_bytes(debugFP, buf, newcount);
1813 fprintf(debugFP, "\n");
1815 outcount = OutputToProcess(pr, buf, newcount, outError);
1816 if (outcount < newcount) return -1; /* to be sure */
1823 } else if (((unsigned char) *p) == TN_IAC) {
1824 *q++ = (char) TN_IAC;
1831 if (appData.debugMode) {
1832 fprintf(debugFP, ">ICS: ");
1833 show_bytes(debugFP, buf, newcount);
1834 fprintf(debugFP, "\n");
1836 outcount = OutputToProcess(pr, buf, newcount, outError);
1837 if (outcount < newcount) return -1; /* to be sure */
1842 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1844 int outError, outCount;
1845 static int gotEof = 0;
1847 /* Pass data read from player on to ICS */
1850 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 } else if (count < 0) {
1855 RemoveInputSource(isr);
1856 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1857 } else if (gotEof++ > 0) {
1858 RemoveInputSource(isr);
1859 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1865 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1866 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1867 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1868 SendToICS("date\n");
1869 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1872 /* added routine for printf style output to ics */
1874 ics_printf (char *format, ...)
1876 char buffer[MSG_SIZ];
1879 va_start(args, format);
1880 vsnprintf(buffer, sizeof(buffer), format, args);
1881 buffer[sizeof(buffer)-1] = '\0';
1889 int count, outCount, outError;
1891 if (icsPR == NoProc) return;
1894 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1895 if (outCount < count) {
1896 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 /* This is used for sending logon scripts to the ICS. Sending
1901 without a delay causes problems when using timestamp on ICC
1902 (at least on my machine). */
1904 SendToICSDelayed (char *s, long msdelay)
1906 int count, outCount, outError;
1908 if (icsPR == NoProc) return;
1911 if (appData.debugMode) {
1912 fprintf(debugFP, ">ICS: ");
1913 show_bytes(debugFP, s, count);
1914 fprintf(debugFP, "\n");
1916 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1918 if (outCount < count) {
1919 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1924 /* Remove all highlighting escape sequences in s
1925 Also deletes any suffix starting with '('
1928 StripHighlightAndTitle (char *s)
1930 static char retbuf[MSG_SIZ];
1933 while (*s != NULLCHAR) {
1934 while (*s == '\033') {
1935 while (*s != NULLCHAR && !isalpha(*s)) s++;
1936 if (*s != NULLCHAR) s++;
1938 while (*s != NULLCHAR && *s != '\033') {
1939 if (*s == '(' || *s == '[') {
1950 /* Remove all highlighting escape sequences in s */
1952 StripHighlight (char *s)
1954 static char retbuf[MSG_SIZ];
1957 while (*s != NULLCHAR) {
1958 while (*s == '\033') {
1959 while (*s != NULLCHAR && !isalpha(*s)) s++;
1960 if (*s != NULLCHAR) s++;
1962 while (*s != NULLCHAR && *s != '\033') {
1970 char *variantNames[] = VARIANT_NAMES;
1972 VariantName (VariantClass v)
1974 return variantNames[v];
1978 /* Identify a variant from the strings the chess servers use or the
1979 PGN Variant tag names we use. */
1981 StringToVariant (char *e)
1985 VariantClass v = VariantNormal;
1986 int i, found = FALSE;
1992 /* [HGM] skip over optional board-size prefixes */
1993 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1994 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1995 while( *e++ != '_');
1998 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2002 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2003 if (StrCaseStr(e, variantNames[i])) {
2004 v = (VariantClass) i;
2011 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2012 || StrCaseStr(e, "wild/fr")
2013 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2014 v = VariantFischeRandom;
2015 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2016 (i = 1, p = StrCaseStr(e, "w"))) {
2018 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2025 case 0: /* FICS only, actually */
2027 /* Castling legal even if K starts on d-file */
2028 v = VariantWildCastle;
2033 /* Castling illegal even if K & R happen to start in
2034 normal positions. */
2035 v = VariantNoCastle;
2048 /* Castling legal iff K & R start in normal positions */
2054 /* Special wilds for position setup; unclear what to do here */
2055 v = VariantLoadable;
2058 /* Bizarre ICC game */
2059 v = VariantTwoKings;
2062 v = VariantKriegspiel;
2068 v = VariantFischeRandom;
2071 v = VariantCrazyhouse;
2074 v = VariantBughouse;
2080 /* Not quite the same as FICS suicide! */
2081 v = VariantGiveaway;
2087 v = VariantShatranj;
2090 /* Temporary names for future ICC types. The name *will* change in
2091 the next xboard/WinBoard release after ICC defines it. */
2129 v = VariantCapablanca;
2132 v = VariantKnightmate;
2138 v = VariantCylinder;
2144 v = VariantCapaRandom;
2147 v = VariantBerolina;
2159 /* Found "wild" or "w" in the string but no number;
2160 must assume it's normal chess. */
2164 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2165 if( (len >= MSG_SIZ) && appData.debugMode )
2166 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2168 DisplayError(buf, 0);
2174 if (appData.debugMode) {
2175 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2176 e, wnum, VariantName(v));
2181 static int leftover_start = 0, leftover_len = 0;
2182 char star_match[STAR_MATCH_N][MSG_SIZ];
2184 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2185 advance *index beyond it, and set leftover_start to the new value of
2186 *index; else return FALSE. If pattern contains the character '*', it
2187 matches any sequence of characters not containing '\r', '\n', or the
2188 character following the '*' (if any), and the matched sequence(s) are
2189 copied into star_match.
2192 looking_at ( char *buf, int *index, char *pattern)
2194 char *bufp = &buf[*index], *patternp = pattern;
2196 char *matchp = star_match[0];
2199 if (*patternp == NULLCHAR) {
2200 *index = leftover_start = bufp - buf;
2204 if (*bufp == NULLCHAR) return FALSE;
2205 if (*patternp == '*') {
2206 if (*bufp == *(patternp + 1)) {
2208 matchp = star_match[++star_count];
2212 } else if (*bufp == '\n' || *bufp == '\r') {
2214 if (*patternp == NULLCHAR)
2219 *matchp++ = *bufp++;
2223 if (*patternp != *bufp) return FALSE;
2230 SendToPlayer (char *data, int length)
2232 int error, outCount;
2233 outCount = OutputToProcess(NoProc, data, length, &error);
2234 if (outCount < length) {
2235 DisplayFatalError(_("Error writing to display"), error, 1);
2240 PackHolding (char packed[], char *holding)
2250 switch (runlength) {
2261 sprintf(q, "%d", runlength);
2273 /* Telnet protocol requests from the front end */
2275 TelnetRequest (unsigned char ddww, unsigned char option)
2277 unsigned char msg[3];
2278 int outCount, outError;
2280 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2282 if (appData.debugMode) {
2283 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2299 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2308 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2311 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2316 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2318 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DO, TN_ECHO);
2332 if (!appData.icsActive) return;
2333 TelnetRequest(TN_DONT, TN_ECHO);
2337 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2339 /* put the holdings sent to us by the server on the board holdings area */
2340 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2344 if(gameInfo.holdingsWidth < 2) return;
2345 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2346 return; // prevent overwriting by pre-board holdings
2348 if( (int)lowestPiece >= BlackPawn ) {
2351 holdingsStartRow = BOARD_HEIGHT-1;
2354 holdingsColumn = BOARD_WIDTH-1;
2355 countsColumn = BOARD_WIDTH-2;
2356 holdingsStartRow = 0;
2360 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2361 board[i][holdingsColumn] = EmptySquare;
2362 board[i][countsColumn] = (ChessSquare) 0;
2364 while( (p=*holdings++) != NULLCHAR ) {
2365 piece = CharToPiece( ToUpper(p) );
2366 if(piece == EmptySquare) continue;
2367 /*j = (int) piece - (int) WhitePawn;*/
2368 j = PieceToNumber(piece);
2369 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2370 if(j < 0) continue; /* should not happen */
2371 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2372 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2373 board[holdingsStartRow+j*direction][countsColumn]++;
2379 VariantSwitch (Board board, VariantClass newVariant)
2381 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2382 static Board oldBoard;
2384 startedFromPositionFile = FALSE;
2385 if(gameInfo.variant == newVariant) return;
2387 /* [HGM] This routine is called each time an assignment is made to
2388 * gameInfo.variant during a game, to make sure the board sizes
2389 * are set to match the new variant. If that means adding or deleting
2390 * holdings, we shift the playing board accordingly
2391 * This kludge is needed because in ICS observe mode, we get boards
2392 * of an ongoing game without knowing the variant, and learn about the
2393 * latter only later. This can be because of the move list we requested,
2394 * in which case the game history is refilled from the beginning anyway,
2395 * but also when receiving holdings of a crazyhouse game. In the latter
2396 * case we want to add those holdings to the already received position.
2400 if (appData.debugMode) {
2401 fprintf(debugFP, "Switch board from %s to %s\n",
2402 VariantName(gameInfo.variant), VariantName(newVariant));
2403 setbuf(debugFP, NULL);
2405 shuffleOpenings = 0; /* [HGM] shuffle */
2406 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2410 newWidth = 9; newHeight = 9;
2411 gameInfo.holdingsSize = 7;
2412 case VariantBughouse:
2413 case VariantCrazyhouse:
2414 newHoldingsWidth = 2; break;
2418 newHoldingsWidth = 2;
2419 gameInfo.holdingsSize = 8;
2422 case VariantCapablanca:
2423 case VariantCapaRandom:
2426 newHoldingsWidth = gameInfo.holdingsSize = 0;
2429 if(newWidth != gameInfo.boardWidth ||
2430 newHeight != gameInfo.boardHeight ||
2431 newHoldingsWidth != gameInfo.holdingsWidth ) {
2433 /* shift position to new playing area, if needed */
2434 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 for(i=0; i<newHeight; i++) {
2440 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2441 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2443 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2444 for(i=0; i<BOARD_HEIGHT; i++)
2445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2446 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2449 gameInfo.boardWidth = newWidth;
2450 gameInfo.boardHeight = newHeight;
2451 gameInfo.holdingsWidth = newHoldingsWidth;
2452 gameInfo.variant = newVariant;
2453 InitDrawingSizes(-2, 0);
2454 } else gameInfo.variant = newVariant;
2455 CopyBoard(oldBoard, board); // remember correctly formatted board
2456 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2457 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2460 static int loggedOn = FALSE;
2462 /*-- Game start info cache: --*/
2464 char gs_kind[MSG_SIZ];
2465 static char player1Name[128] = "";
2466 static char player2Name[128] = "";
2467 static char cont_seq[] = "\n\\ ";
2468 static int player1Rating = -1;
2469 static int player2Rating = -1;
2470 /*----------------------------*/
2472 ColorClass curColor = ColorNormal;
2473 int suppressKibitz = 0;
2476 Boolean soughtPending = FALSE;
2477 Boolean seekGraphUp;
2478 #define MAX_SEEK_ADS 200
2480 char *seekAdList[MAX_SEEK_ADS];
2481 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2482 float tcList[MAX_SEEK_ADS];
2483 char colorList[MAX_SEEK_ADS];
2484 int nrOfSeekAds = 0;
2485 int minRating = 1010, maxRating = 2800;
2486 int hMargin = 10, vMargin = 20, h, w;
2487 extern int squareSize, lineGap;
2492 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2493 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2494 if(r < minRating+100 && r >=0 ) r = minRating+100;
2495 if(r > maxRating) r = maxRating;
2496 if(tc < 1.) tc = 1.;
2497 if(tc > 95.) tc = 95.;
2498 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2499 y = ((double)r - minRating)/(maxRating - minRating)
2500 * (h-vMargin-squareSize/8-1) + vMargin;
2501 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2502 if(strstr(seekAdList[i], " u ")) color = 1;
2503 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2504 !strstr(seekAdList[i], "bullet") &&
2505 !strstr(seekAdList[i], "blitz") &&
2506 !strstr(seekAdList[i], "standard") ) color = 2;
2507 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2508 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2512 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2514 char buf[MSG_SIZ], *ext = "";
2515 VariantClass v = StringToVariant(type);
2516 if(strstr(type, "wild")) {
2517 ext = type + 4; // append wild number
2518 if(v == VariantFischeRandom) type = "chess960"; else
2519 if(v == VariantLoadable) type = "setup"; else
2520 type = VariantName(v);
2522 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2523 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2524 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2525 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2526 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2527 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2528 seekNrList[nrOfSeekAds] = nr;
2529 zList[nrOfSeekAds] = 0;
2530 seekAdList[nrOfSeekAds++] = StrSave(buf);
2531 if(plot) PlotSeekAd(nrOfSeekAds-1);
2536 EraseSeekDot (int i)
2538 int x = xList[i], y = yList[i], d=squareSize/4, k;
2539 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2540 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2541 // now replot every dot that overlapped
2542 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2543 int xx = xList[k], yy = yList[k];
2544 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2545 DrawSeekDot(xx, yy, colorList[k]);
2550 RemoveSeekAd (int nr)
2553 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2555 if(seekAdList[i]) free(seekAdList[i]);
2556 seekAdList[i] = seekAdList[--nrOfSeekAds];
2557 seekNrList[i] = seekNrList[nrOfSeekAds];
2558 ratingList[i] = ratingList[nrOfSeekAds];
2559 colorList[i] = colorList[nrOfSeekAds];
2560 tcList[i] = tcList[nrOfSeekAds];
2561 xList[i] = xList[nrOfSeekAds];
2562 yList[i] = yList[nrOfSeekAds];
2563 zList[i] = zList[nrOfSeekAds];
2564 seekAdList[nrOfSeekAds] = NULL;
2570 MatchSoughtLine (char *line)
2572 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2573 int nr, base, inc, u=0; char dummy;
2575 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2576 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2578 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2579 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2580 // match: compact and save the line
2581 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2591 if(!seekGraphUp) return FALSE;
2592 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2593 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2595 DrawSeekBackground(0, 0, w, h);
2596 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2597 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2598 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2599 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2601 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2608 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2609 for(i=1; i<100; i+=(i<10?1:5)) {
2610 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2611 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2612 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2614 snprintf(buf, MSG_SIZ, "%d", i);
2615 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2618 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2623 SeekGraphClick (ClickType click, int x, int y, int moving)
2625 static int lastDown = 0, displayed = 0, lastSecond;
2626 if(y < 0) return FALSE;
2627 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2628 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2629 if(!seekGraphUp) return FALSE;
2630 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2631 DrawPosition(TRUE, NULL);
2634 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2635 if(click == Release || moving) return FALSE;
2637 soughtPending = TRUE;
2638 SendToICS(ics_prefix);
2639 SendToICS("sought\n"); // should this be "sought all"?
2640 } else { // issue challenge based on clicked ad
2641 int dist = 10000; int i, closest = 0, second = 0;
2642 for(i=0; i<nrOfSeekAds; i++) {
2643 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2644 if(d < dist) { dist = d; closest = i; }
2645 second += (d - zList[i] < 120); // count in-range ads
2646 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2650 second = (second > 1);
2651 if(displayed != closest || second != lastSecond) {
2652 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2653 lastSecond = second; displayed = closest;
2655 if(click == Press) {
2656 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2659 } // on press 'hit', only show info
2660 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2661 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2662 SendToICS(ics_prefix);
2664 return TRUE; // let incoming board of started game pop down the graph
2665 } else if(click == Release) { // release 'miss' is ignored
2666 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2667 if(moving == 2) { // right up-click
2668 nrOfSeekAds = 0; // refresh graph
2669 soughtPending = TRUE;
2670 SendToICS(ics_prefix);
2671 SendToICS("sought\n"); // should this be "sought all"?
2674 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2675 // press miss or release hit 'pop down' seek graph
2676 seekGraphUp = FALSE;
2677 DrawPosition(TRUE, NULL);
2683 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2685 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2686 #define STARTED_NONE 0
2687 #define STARTED_MOVES 1
2688 #define STARTED_BOARD 2
2689 #define STARTED_OBSERVE 3
2690 #define STARTED_HOLDINGS 4
2691 #define STARTED_CHATTER 5
2692 #define STARTED_COMMENT 6
2693 #define STARTED_MOVES_NOHIDE 7
2695 static int started = STARTED_NONE;
2696 static char parse[20000];
2697 static int parse_pos = 0;
2698 static char buf[BUF_SIZE + 1];
2699 static int firstTime = TRUE, intfSet = FALSE;
2700 static ColorClass prevColor = ColorNormal;
2701 static int savingComment = FALSE;
2702 static int cmatch = 0; // continuation sequence match
2709 int backup; /* [DM] For zippy color lines */
2711 char talker[MSG_SIZ]; // [HGM] chat
2714 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2716 if (appData.debugMode) {
2718 fprintf(debugFP, "<ICS: ");
2719 show_bytes(debugFP, data, count);
2720 fprintf(debugFP, "\n");
2724 if (appData.debugMode) { int f = forwardMostMove;
2725 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2726 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2727 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2730 /* If last read ended with a partial line that we couldn't parse,
2731 prepend it to the new read and try again. */
2732 if (leftover_len > 0) {
2733 for (i=0; i<leftover_len; i++)
2734 buf[i] = buf[leftover_start + i];
2737 /* copy new characters into the buffer */
2738 bp = buf + leftover_len;
2739 buf_len=leftover_len;
2740 for (i=0; i<count; i++)
2743 if (data[i] == '\r')
2746 // join lines split by ICS?
2747 if (!appData.noJoin)
2750 Joining just consists of finding matches against the
2751 continuation sequence, and discarding that sequence
2752 if found instead of copying it. So, until a match
2753 fails, there's nothing to do since it might be the
2754 complete sequence, and thus, something we don't want
2757 if (data[i] == cont_seq[cmatch])
2760 if (cmatch == strlen(cont_seq))
2762 cmatch = 0; // complete match. just reset the counter
2765 it's possible for the ICS to not include the space
2766 at the end of the last word, making our [correct]
2767 join operation fuse two separate words. the server
2768 does this when the space occurs at the width setting.
2770 if (!buf_len || buf[buf_len-1] != ' ')
2781 match failed, so we have to copy what matched before
2782 falling through and copying this character. In reality,
2783 this will only ever be just the newline character, but
2784 it doesn't hurt to be precise.
2786 strncpy(bp, cont_seq, cmatch);
2798 buf[buf_len] = NULLCHAR;
2799 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2804 while (i < buf_len) {
2805 /* Deal with part of the TELNET option negotiation
2806 protocol. We refuse to do anything beyond the
2807 defaults, except that we allow the WILL ECHO option,
2808 which ICS uses to turn off password echoing when we are
2809 directly connected to it. We reject this option
2810 if localLineEditing mode is on (always on in xboard)
2811 and we are talking to port 23, which might be a real
2812 telnet server that will try to keep WILL ECHO on permanently.
2814 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2815 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2816 unsigned char option;
2818 switch ((unsigned char) buf[++i]) {
2820 if (appData.debugMode)
2821 fprintf(debugFP, "\n<WILL ");
2822 switch (option = (unsigned char) buf[++i]) {
2824 if (appData.debugMode)
2825 fprintf(debugFP, "ECHO ");
2826 /* Reply only if this is a change, according
2827 to the protocol rules. */
2828 if (remoteEchoOption) break;
2829 if (appData.localLineEditing &&
2830 atoi(appData.icsPort) == TN_PORT) {
2831 TelnetRequest(TN_DONT, TN_ECHO);
2834 TelnetRequest(TN_DO, TN_ECHO);
2835 remoteEchoOption = TRUE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we don't want it. */
2842 TelnetRequest(TN_DONT, option);
2847 if (appData.debugMode)
2848 fprintf(debugFP, "\n<WONT ");
2849 switch (option = (unsigned char) buf[++i]) {
2851 if (appData.debugMode)
2852 fprintf(debugFP, "ECHO ");
2853 /* Reply only if this is a change, according
2854 to the protocol rules. */
2855 if (!remoteEchoOption) break;
2857 TelnetRequest(TN_DONT, TN_ECHO);
2858 remoteEchoOption = FALSE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", (unsigned char) option);
2863 /* Whatever this is, it must already be turned
2864 off, because we never agree to turn on
2865 anything non-default, so according to the
2866 protocol rules, we don't reply. */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DO ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 /* Whatever this is, we refuse to do it. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 TelnetRequest(TN_WONT, option);
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DONT ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 if (appData.debugMode)
2888 fprintf(debugFP, "%d ", option);
2889 /* Whatever this is, we are already not doing
2890 it, because we never agree to do anything
2891 non-default, so according to the protocol
2892 rules, we don't reply. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "\n<IAC ");
2899 /* Doubled IAC; pass it through */
2903 if (appData.debugMode)
2904 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2905 /* Drop all other telnet commands on the floor */
2908 if (oldi > next_out)
2909 SendToPlayer(&buf[next_out], oldi - next_out);
2915 /* OK, this at least will *usually* work */
2916 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2920 if (loggedOn && !intfSet) {
2921 if (ics_type == ICS_ICC) {
2922 snprintf(str, MSG_SIZ,
2923 "/set-quietly interface %s\n/set-quietly style 12\n",
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "/set-2 51 1\n/set seek 1\n");
2927 } else if (ics_type == ICS_CHESSNET) {
2928 snprintf(str, MSG_SIZ, "/style 12\n");
2930 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2931 strcat(str, programVersion);
2932 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2933 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2934 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2936 strcat(str, "$iset nohighlight 1\n");
2938 strcat(str, "$iset lock 1\n$style 12\n");
2941 NotifyFrontendLogin();
2945 if (started == STARTED_COMMENT) {
2946 /* Accumulate characters in comment */
2947 parse[parse_pos++] = buf[i];
2948 if (buf[i] == '\n') {
2949 parse[parse_pos] = NULLCHAR;
2950 if(chattingPartner>=0) {
2952 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2953 OutputChatMessage(chattingPartner, mess);
2954 chattingPartner = -1;
2955 next_out = i+1; // [HGM] suppress printing in ICS window
2957 if(!suppressKibitz) // [HGM] kibitz
2958 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2959 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2960 int nrDigit = 0, nrAlph = 0, j;
2961 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2962 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2963 parse[parse_pos] = NULLCHAR;
2964 // try to be smart: if it does not look like search info, it should go to
2965 // ICS interaction window after all, not to engine-output window.
2966 for(j=0; j<parse_pos; j++) { // count letters and digits
2967 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2968 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2969 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2971 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2972 int depth=0; float score;
2973 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2974 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2975 pvInfoList[forwardMostMove-1].depth = depth;
2976 pvInfoList[forwardMostMove-1].score = 100*score;
2978 OutputKibitz(suppressKibitz, parse);
2981 if(gameMode == IcsObserving) // restore original ICS messages
2982 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2984 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2985 SendToPlayer(tmp, strlen(tmp));
2987 next_out = i+1; // [HGM] suppress printing in ICS window
2989 started = STARTED_NONE;
2991 /* Don't match patterns against characters in comment */
2996 if (started == STARTED_CHATTER) {
2997 if (buf[i] != '\n') {
2998 /* Don't match patterns against characters in chatter */
3002 started = STARTED_NONE;
3003 if(suppressKibitz) next_out = i+1;
3006 /* Kludge to deal with rcmd protocol */
3007 if (firstTime && looking_at(buf, &i, "\001*")) {
3008 DisplayFatalError(&buf[1], 0, 1);
3014 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3022 ics_type = ICS_FICS;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3028 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3029 ics_type = ICS_CHESSNET;
3031 if (appData.debugMode)
3032 fprintf(debugFP, "ics_type %d\n", ics_type);
3037 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3038 looking_at(buf, &i, "Logging you in as \"*\"") ||
3039 looking_at(buf, &i, "will be \"*\""))) {
3040 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3044 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3046 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3047 DisplayIcsInteractionTitle(buf);
3048 have_set_title = TRUE;
3051 /* skip finger notes */
3052 if (started == STARTED_NONE &&
3053 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3054 (buf[i] == '1' && buf[i+1] == '0')) &&
3055 buf[i+2] == ':' && buf[i+3] == ' ') {
3056 started = STARTED_CHATTER;
3062 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3063 if(appData.seekGraph) {
3064 if(soughtPending && MatchSoughtLine(buf+i)) {
3065 i = strstr(buf+i, "rated") - buf;
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = leftover_start = i;
3068 started = STARTED_CHATTER;
3069 suppressKibitz = TRUE;
3072 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3073 && looking_at(buf, &i, "* ads displayed")) {
3074 soughtPending = FALSE;
3079 if(appData.autoRefresh) {
3080 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3081 int s = (ics_type == ICS_ICC); // ICC format differs
3083 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3084 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3085 looking_at(buf, &i, "*% "); // eat prompt
3086 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = i; // suppress
3091 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3092 char *p = star_match[0];
3094 if(seekGraphUp) RemoveSeekAd(atoi(p));
3095 while(*p && *p++ != ' '); // next
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3105 /* skip formula vars */
3106 if (started == STARTED_NONE &&
3107 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3108 started = STARTED_CHATTER;
3113 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3114 if (appData.autoKibitz && started == STARTED_NONE &&
3115 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3116 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3117 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3118 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3119 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3120 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3121 suppressKibitz = TRUE;
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3124 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3125 && (gameMode == IcsPlayingWhite)) ||
3126 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3127 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3128 started = STARTED_CHATTER; // own kibitz we simply discard
3130 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3131 parse_pos = 0; parse[0] = NULLCHAR;
3132 savingComment = TRUE;
3133 suppressKibitz = gameMode != IcsObserving ? 2 :
3134 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3138 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3139 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3140 && atoi(star_match[0])) {
3141 // suppress the acknowledgements of our own autoKibitz
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3144 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3145 SendToPlayer(star_match[0], strlen(star_match[0]));
3146 if(looking_at(buf, &i, "*% ")) // eat prompt
3147 suppressKibitz = FALSE;
3151 } // [HGM] kibitz: end of patch
3153 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3155 // [HGM] chat: intercept tells by users for which we have an open chat window
3157 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3158 looking_at(buf, &i, "* whispers:") ||
3159 looking_at(buf, &i, "* kibitzes:") ||
3160 looking_at(buf, &i, "* shouts:") ||
3161 looking_at(buf, &i, "* c-shouts:") ||
3162 looking_at(buf, &i, "--> * ") ||
3163 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3164 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3168 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3169 chattingPartner = -1;
3171 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("kibitzes", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3187 for(p=0; p<MAX_CHAT; p++) {
3188 if(!strcmp("whispers", chatPartner[p])) {
3189 talker[0] = '['; strcat(talker, "] ");
3190 chattingPartner = p; break;
3193 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3194 if(buf[i-8] == '-' && buf[i-3] == 't')
3195 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3196 if(!strcmp("c-shouts", chatPartner[p])) {
3197 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3198 chattingPartner = p; break;
3201 if(chattingPartner < 0)
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("shouts", chatPartner[p])) {
3204 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3205 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3206 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3207 chattingPartner = p; break;
3211 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3212 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3213 talker[0] = 0; Colorize(ColorTell, FALSE);
3214 chattingPartner = p; break;
3216 if(chattingPartner<0) i = oldi; else {
3217 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3218 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 started = STARTED_COMMENT;
3221 parse_pos = 0; parse[0] = NULLCHAR;
3222 savingComment = 3 + chattingPartner; // counts as TRUE
3223 suppressKibitz = TRUE;
3226 } // [HGM] chat: end of patch
3229 if (appData.zippyTalk || appData.zippyPlay) {
3230 /* [DM] Backup address for color zippy lines */
3232 if (loggedOn == TRUE)
3233 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3234 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3236 } // [DM] 'else { ' deleted
3238 /* Regular tells and says */
3239 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3240 looking_at(buf, &i, "* (your partner) tells you: ") ||
3241 looking_at(buf, &i, "* says: ") ||
3242 /* Don't color "message" or "messages" output */
3243 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3244 looking_at(buf, &i, "*. * at *:*: ") ||
3245 looking_at(buf, &i, "--* (*:*): ") ||
3246 /* Message notifications (same color as tells) */
3247 looking_at(buf, &i, "* has left a message ") ||
3248 looking_at(buf, &i, "* just sent you a message:\n") ||
3249 /* Whispers and kibitzes */
3250 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3251 looking_at(buf, &i, "* kibitzes: ") ||
3253 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3255 if (tkind == 1 && strchr(star_match[0], ':')) {
3256 /* Avoid "tells you:" spoofs in channels */
3259 if (star_match[0][0] == NULLCHAR ||
3260 strchr(star_match[0], ' ') ||
3261 (tkind == 3 && strchr(star_match[1], ' '))) {
3262 /* Reject bogus matches */
3265 if (appData.colorize) {
3266 if (oldi > next_out) {
3267 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorTell, FALSE);
3273 curColor = ColorTell;
3276 Colorize(ColorKibitz, FALSE);
3277 curColor = ColorKibitz;
3280 p = strrchr(star_match[1], '(');
3287 Colorize(ColorChannel1, FALSE);
3288 curColor = ColorChannel1;
3290 Colorize(ColorChannel, FALSE);
3291 curColor = ColorChannel;
3295 curColor = ColorNormal;
3299 if (started == STARTED_NONE && appData.autoComment &&
3300 (gameMode == IcsObserving ||
3301 gameMode == IcsPlayingWhite ||
3302 gameMode == IcsPlayingBlack)) {
3303 parse_pos = i - oldi;
3304 memcpy(parse, &buf[oldi], parse_pos);
3305 parse[parse_pos] = NULLCHAR;
3306 started = STARTED_COMMENT;
3307 savingComment = TRUE;
3309 started = STARTED_CHATTER;
3310 savingComment = FALSE;
3317 if (looking_at(buf, &i, "* s-shouts: ") ||
3318 looking_at(buf, &i, "* c-shouts: ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorSShout, FALSE);
3325 curColor = ColorSShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at(buf, &i, "--->")) {
3337 if (looking_at(buf, &i, "* shouts: ") ||
3338 looking_at(buf, &i, "--> ")) {
3339 if (appData.colorize) {
3340 if (oldi > next_out) {
3341 SendToPlayer(&buf[next_out], oldi - next_out);
3344 Colorize(ColorShout, FALSE);
3345 curColor = ColorShout;
3348 started = STARTED_CHATTER;
3352 if (looking_at( buf, &i, "Challenge:")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorChallenge, FALSE);
3359 curColor = ColorChallenge;
3365 if (looking_at(buf, &i, "* offers you") ||
3366 looking_at(buf, &i, "* offers to be") ||
3367 looking_at(buf, &i, "* would like to") ||
3368 looking_at(buf, &i, "* requests to") ||
3369 looking_at(buf, &i, "Your opponent offers") ||
3370 looking_at(buf, &i, "Your opponent requests")) {
3372 if (appData.colorize) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(ColorRequest, FALSE);
3378 curColor = ColorRequest;
3383 if (looking_at(buf, &i, "* (*) seeking")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorSeek, FALSE);
3390 curColor = ColorSeek;
3395 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3397 if (looking_at(buf, &i, "\\ ")) {
3398 if (prevColor != ColorNormal) {
3399 if (oldi > next_out) {
3400 SendToPlayer(&buf[next_out], oldi - next_out);
3403 Colorize(prevColor, TRUE);
3404 curColor = prevColor;
3406 if (savingComment) {
3407 parse_pos = i - oldi;
3408 memcpy(parse, &buf[oldi], parse_pos);
3409 parse[parse_pos] = NULLCHAR;
3410 started = STARTED_COMMENT;
3411 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3412 chattingPartner = savingComment - 3; // kludge to remember the box
3414 started = STARTED_CHATTER;
3419 if (looking_at(buf, &i, "Black Strength :") ||
3420 looking_at(buf, &i, "<<< style 10 board >>>") ||
3421 looking_at(buf, &i, "<10>") ||
3422 looking_at(buf, &i, "#@#")) {
3423 /* Wrong board style */
3425 SendToICS(ics_prefix);
3426 SendToICS("set style 12\n");
3427 SendToICS(ics_prefix);
3428 SendToICS("refresh\n");
3432 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3434 have_sent_ICS_logon = 1;
3438 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3439 (looking_at(buf, &i, "\n<12> ") ||
3440 looking_at(buf, &i, "<12> "))) {
3442 if (oldi > next_out) {
3443 SendToPlayer(&buf[next_out], oldi - next_out);
3446 started = STARTED_BOARD;
3451 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3452 looking_at(buf, &i, "<b1> ")) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 started = STARTED_HOLDINGS;
3462 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3464 /* Header for a move list -- first line */
3466 switch (ics_getting_history) {
3470 case BeginningOfGame:
3471 /* User typed "moves" or "oldmoves" while we
3472 were idle. Pretend we asked for these
3473 moves and soak them up so user can step
3474 through them and/or save them.
3477 gameMode = IcsObserving;
3480 ics_getting_history = H_GOT_UNREQ_HEADER;
3482 case EditGame: /*?*/
3483 case EditPosition: /*?*/
3484 /* Should above feature work in these modes too? */
3485 /* For now it doesn't */
3486 ics_getting_history = H_GOT_UNWANTED_HEADER;
3489 ics_getting_history = H_GOT_UNWANTED_HEADER;
3494 /* Is this the right one? */
3495 if (gameInfo.white && gameInfo.black &&
3496 strcmp(gameInfo.white, star_match[0]) == 0 &&
3497 strcmp(gameInfo.black, star_match[2]) == 0) {
3499 ics_getting_history = H_GOT_REQ_HEADER;
3502 case H_GOT_REQ_HEADER:
3503 case H_GOT_UNREQ_HEADER:
3504 case H_GOT_UNWANTED_HEADER:
3505 case H_GETTING_MOVES:
3506 /* Should not happen */
3507 DisplayError(_("Error gathering move list: two headers"), 0);
3508 ics_getting_history = H_FALSE;
3512 /* Save player ratings into gameInfo if needed */
3513 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3514 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3515 (gameInfo.whiteRating == -1 ||
3516 gameInfo.blackRating == -1)) {
3518 gameInfo.whiteRating = string_to_rating(star_match[1]);
3519 gameInfo.blackRating = string_to_rating(star_match[3]);
3520 if (appData.debugMode)
3521 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3522 gameInfo.whiteRating, gameInfo.blackRating);
3527 if (looking_at(buf, &i,
3528 "* * match, initial time: * minute*, increment: * second")) {
3529 /* Header for a move list -- second line */
3530 /* Initial board will follow if this is a wild game */
3531 if (gameInfo.event != NULL) free(gameInfo.event);
3532 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3533 gameInfo.event = StrSave(str);
3534 /* [HGM] we switched variant. Translate boards if needed. */
3535 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3539 if (looking_at(buf, &i, "Move ")) {
3540 /* Beginning of a move list */
3541 switch (ics_getting_history) {
3543 /* Normally should not happen */
3544 /* Maybe user hit reset while we were parsing */
3547 /* Happens if we are ignoring a move list that is not
3548 * the one we just requested. Common if the user
3549 * tries to observe two games without turning off
3552 case H_GETTING_MOVES:
3553 /* Should not happen */
3554 DisplayError(_("Error gathering move list: nested"), 0);
3555 ics_getting_history = H_FALSE;
3557 case H_GOT_REQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES;
3561 if (oldi > next_out) {
3562 SendToPlayer(&buf[next_out], oldi - next_out);
3565 case H_GOT_UNREQ_HEADER:
3566 ics_getting_history = H_GETTING_MOVES;
3567 started = STARTED_MOVES_NOHIDE;
3570 case H_GOT_UNWANTED_HEADER:
3571 ics_getting_history = H_FALSE;
3577 if (looking_at(buf, &i, "% ") ||
3578 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3579 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3580 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3581 soughtPending = FALSE;
3585 if(suppressKibitz) next_out = i;
3586 savingComment = FALSE;
3590 case STARTED_MOVES_NOHIDE:
3591 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3592 parse[parse_pos + i - oldi] = NULLCHAR;
3593 ParseGameHistory(parse);
3595 if (appData.zippyPlay && first.initDone) {
3596 FeedMovesToProgram(&first, forwardMostMove);
3597 if (gameMode == IcsPlayingWhite) {
3598 if (WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 SendTimeRemaining(&first, TRUE);
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, TRUE);
3615 SendToProgram("playother\n", &first);
3621 } else if (gameMode == IcsPlayingBlack) {
3622 if (!WhiteOnMove(forwardMostMove)) {
3623 if (first.sendTime) {
3624 if (first.useColors) {
3625 SendToProgram("white\n", &first);
3627 SendTimeRemaining(&first, FALSE);
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3633 first.maybeThinking = TRUE;
3635 if (first.usePlayother) {
3636 if (first.sendTime) {
3637 SendTimeRemaining(&first, FALSE);
3639 SendToProgram("playother\n", &first);
3648 if (gameMode == IcsObserving && ics_gamenum == -1) {
3649 /* Moves came from oldmoves or moves command
3650 while we weren't doing anything else.
3652 currentMove = forwardMostMove;
3653 ClearHighlights();/*!!could figure this out*/
3654 flipView = appData.flipView;
3655 DrawPosition(TRUE, boards[currentMove]);
3656 DisplayBothClocks();
3657 snprintf(str, MSG_SIZ, "%s %s %s",
3658 gameInfo.white, _("vs."), gameInfo.black);
3662 /* Moves were history of an active game */
3663 if (gameInfo.resultDetails != NULL) {
3664 free(gameInfo.resultDetails);
3665 gameInfo.resultDetails = NULL;
3668 HistorySet(parseList, backwardMostMove,
3669 forwardMostMove, currentMove-1);
3670 DisplayMove(currentMove - 1);
3671 if (started == STARTED_MOVES) next_out = i;
3672 started = STARTED_NONE;
3673 ics_getting_history = H_FALSE;
3676 case STARTED_OBSERVE:
3677 started = STARTED_NONE;
3678 SendToICS(ics_prefix);
3679 SendToICS("refresh\n");
3685 if(bookHit) { // [HGM] book: simulate book reply
3686 static char bookMove[MSG_SIZ]; // a bit generous?
3688 programStats.nodes = programStats.depth = programStats.time =
3689 programStats.score = programStats.got_only_move = 0;
3690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3693 strcat(bookMove, bookHit);
3694 HandleMachineMove(bookMove, &first);
3699 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3700 started == STARTED_HOLDINGS ||
3701 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3702 /* Accumulate characters in move list or board */
3703 parse[parse_pos++] = buf[i];
3706 /* Start of game messages. Mostly we detect start of game
3707 when the first board image arrives. On some versions
3708 of the ICS, though, we need to do a "refresh" after starting
3709 to observe in order to get the current board right away. */
3710 if (looking_at(buf, &i, "Adding game * to observation list")) {
3711 started = STARTED_OBSERVE;
3715 /* Handle auto-observe */
3716 if (appData.autoObserve &&
3717 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3718 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3720 /* Choose the player that was highlighted, if any. */
3721 if (star_match[0][0] == '\033' ||
3722 star_match[1][0] != '\033') {
3723 player = star_match[0];
3725 player = star_match[2];
3727 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3728 ics_prefix, StripHighlightAndTitle(player));
3731 /* Save ratings from notify string */
3732 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3733 player1Rating = string_to_rating(star_match[1]);
3734 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3735 player2Rating = string_to_rating(star_match[3]);
3737 if (appData.debugMode)
3739 "Ratings from 'Game notification:' %s %d, %s %d\n",
3740 player1Name, player1Rating,
3741 player2Name, player2Rating);
3746 /* Deal with automatic examine mode after a game,
3747 and with IcsObserving -> IcsExamining transition */
3748 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3749 looking_at(buf, &i, "has made you an examiner of game *")) {
3751 int gamenum = atoi(star_match[0]);
3752 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3753 gamenum == ics_gamenum) {
3754 /* We were already playing or observing this game;
3755 no need to refetch history */
3756 gameMode = IcsExamining;
3758 pauseExamForwardMostMove = forwardMostMove;
3759 } else if (currentMove < forwardMostMove) {
3760 ForwardInner(forwardMostMove);
3763 /* I don't think this case really can happen */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3770 /* Error messages */
3771 // if (ics_user_moved) {
3772 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3773 if (looking_at(buf, &i, "Illegal move") ||
3774 looking_at(buf, &i, "Not a legal move") ||
3775 looking_at(buf, &i, "Your king is in check") ||
3776 looking_at(buf, &i, "It isn't your turn") ||
3777 looking_at(buf, &i, "It is not your move")) {
3779 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3780 currentMove = forwardMostMove-1;
3781 DisplayMove(currentMove - 1); /* before DMError */
3782 DrawPosition(FALSE, boards[currentMove]);
3783 SwitchClocks(forwardMostMove-1); // [HGM] race
3784 DisplayBothClocks();
3786 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3792 if (looking_at(buf, &i, "still have time") ||
3793 looking_at(buf, &i, "not out of time") ||
3794 looking_at(buf, &i, "either player is out of time") ||
3795 looking_at(buf, &i, "has timeseal; checking")) {
3796 /* We must have called his flag a little too soon */
3797 whiteFlag = blackFlag = FALSE;
3801 if (looking_at(buf, &i, "added * seconds to") ||
3802 looking_at(buf, &i, "seconds were added to")) {
3803 /* Update the clocks */
3804 SendToICS(ics_prefix);
3805 SendToICS("refresh\n");
3809 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3810 ics_clock_paused = TRUE;
3815 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3816 ics_clock_paused = FALSE;
3821 /* Grab player ratings from the Creating: message.
3822 Note we have to check for the special case when
3823 the ICS inserts things like [white] or [black]. */
3824 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3825 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3827 0 player 1 name (not necessarily white)
3829 2 empty, white, or black (IGNORED)
3830 3 player 2 name (not necessarily black)
3833 The names/ratings are sorted out when the game
3834 actually starts (below).
3836 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3837 player1Rating = string_to_rating(star_match[1]);
3838 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3839 player2Rating = string_to_rating(star_match[4]);
3841 if (appData.debugMode)
3843 "Ratings from 'Creating:' %s %d, %s %d\n",
3844 player1Name, player1Rating,
3845 player2Name, player2Rating);
3850 /* Improved generic start/end-of-game messages */
3851 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3852 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3853 /* If tkind == 0: */
3854 /* star_match[0] is the game number */
3855 /* [1] is the white player's name */
3856 /* [2] is the black player's name */
3857 /* For end-of-game: */
3858 /* [3] is the reason for the game end */
3859 /* [4] is a PGN end game-token, preceded by " " */
3860 /* For start-of-game: */
3861 /* [3] begins with "Creating" or "Continuing" */
3862 /* [4] is " *" or empty (don't care). */
3863 int gamenum = atoi(star_match[0]);
3864 char *whitename, *blackname, *why, *endtoken;
3865 ChessMove endtype = EndOfFile;
3868 whitename = star_match[1];
3869 blackname = star_match[2];
3870 why = star_match[3];
3871 endtoken = star_match[4];
3873 whitename = star_match[1];
3874 blackname = star_match[3];
3875 why = star_match[5];
3876 endtoken = star_match[6];
3879 /* Game start messages */
3880 if (strncmp(why, "Creating ", 9) == 0 ||
3881 strncmp(why, "Continuing ", 11) == 0) {
3882 gs_gamenum = gamenum;
3883 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3884 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3885 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3887 if (appData.zippyPlay) {
3888 ZippyGameStart(whitename, blackname);
3891 partnerBoardValid = FALSE; // [HGM] bughouse
3895 /* Game end messages */
3896 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3897 ics_gamenum != gamenum) {
3900 while (endtoken[0] == ' ') endtoken++;
3901 switch (endtoken[0]) {
3904 endtype = GameUnfinished;
3907 endtype = BlackWins;
3910 if (endtoken[1] == '/')
3911 endtype = GameIsDrawn;
3913 endtype = WhiteWins;
3916 GameEnds(endtype, why, GE_ICS);
3918 if (appData.zippyPlay && first.initDone) {
3919 ZippyGameEnd(endtype, why);
3920 if (first.pr == NoProc) {
3921 /* Start the next process early so that we'll
3922 be ready for the next challenge */
3923 StartChessProgram(&first);
3925 /* Send "new" early, in case this command takes
3926 a long time to finish, so that we'll be ready
3927 for the next challenge. */
3928 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3932 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3936 if (looking_at(buf, &i, "Removing game * from observation") ||
3937 looking_at(buf, &i, "no longer observing game *") ||
3938 looking_at(buf, &i, "Game * (*) has no examiners")) {
3939 if (gameMode == IcsObserving &&
3940 atoi(star_match[0]) == ics_gamenum)
3942 /* icsEngineAnalyze */
3943 if (appData.icsEngineAnalyze) {
3950 ics_user_moved = FALSE;
3955 if (looking_at(buf, &i, "no longer examining game *")) {
3956 if (gameMode == IcsExamining &&
3957 atoi(star_match[0]) == ics_gamenum)
3961 ics_user_moved = FALSE;
3966 /* Advance leftover_start past any newlines we find,
3967 so only partial lines can get reparsed */
3968 if (looking_at(buf, &i, "\n")) {
3969 prevColor = curColor;
3970 if (curColor != ColorNormal) {
3971 if (oldi > next_out) {
3972 SendToPlayer(&buf[next_out], oldi - next_out);
3975 Colorize(ColorNormal, FALSE);
3976 curColor = ColorNormal;
3978 if (started == STARTED_BOARD) {
3979 started = STARTED_NONE;
3980 parse[parse_pos] = NULLCHAR;
3981 ParseBoard12(parse);
3984 /* Send premove here */
3985 if (appData.premove) {
3987 if (currentMove == 0 &&
3988 gameMode == IcsPlayingWhite &&
3989 appData.premoveWhite) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (currentMove == 1 &&
3995 gameMode == IcsPlayingBlack &&
3996 appData.premoveBlack) {
3997 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Sending premove:\n");
4001 } else if (gotPremove) {
4003 ClearPremoveHighlights();
4004 if (appData.debugMode)
4005 fprintf(debugFP, "Sending premove:\n");
4006 UserMoveEvent(premoveFromX, premoveFromY,
4007 premoveToX, premoveToY,
4012 /* Usually suppress following prompt */
4013 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4014 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4015 if (looking_at(buf, &i, "*% ")) {
4016 savingComment = FALSE;
4021 } else if (started == STARTED_HOLDINGS) {
4023 char new_piece[MSG_SIZ];
4024 started = STARTED_NONE;
4025 parse[parse_pos] = NULLCHAR;
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4028 parse, currentMove);
4029 if (sscanf(parse, " game %d", &gamenum) == 1) {
4030 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4031 if (gameInfo.variant == VariantNormal) {
4032 /* [HGM] We seem to switch variant during a game!
4033 * Presumably no holdings were displayed, so we have
4034 * to move the position two files to the right to
4035 * create room for them!
4037 VariantClass newVariant;
4038 switch(gameInfo.boardWidth) { // base guess on board width
4039 case 9: newVariant = VariantShogi; break;
4040 case 10: newVariant = VariantGreat; break;
4041 default: newVariant = VariantCrazyhouse; break;
4043 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4044 /* Get a move list just to see the header, which
4045 will tell us whether this is really bug or zh */
4046 if (ics_getting_history == H_FALSE) {
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 new_piece[0] = NULLCHAR;
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to board holdings area */
4059 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4060 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4061 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4063 if (appData.zippyPlay && first.initDone) {
4064 ZippyHoldings(white_holding, black_holding,
4068 if (tinyLayout || smallLayout) {
4069 char wh[16], bh[16];
4070 PackHolding(wh, white_holding);
4071 PackHolding(bh, black_holding);
4072 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4073 gameInfo.white, gameInfo.black);
4075 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4076 gameInfo.white, white_holding, _("vs."),
4077 gameInfo.black, black_holding);
4079 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4080 DrawPosition(FALSE, boards[currentMove]);
4082 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4083 sscanf(parse, "game %d white [%s black [%s <- %s",
4084 &gamenum, white_holding, black_holding,
4086 white_holding[strlen(white_holding)-1] = NULLCHAR;
4087 black_holding[strlen(black_holding)-1] = NULLCHAR;
4088 /* [HGM] copy holdings to partner-board holdings area */
4089 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4090 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4091 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4092 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4093 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4096 /* Suppress following prompt */
4097 if (looking_at(buf, &i, "*% ")) {
4098 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4099 savingComment = FALSE;
4107 i++; /* skip unparsed character and loop back */
4110 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4111 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4112 // SendToPlayer(&buf[next_out], i - next_out);
4113 started != STARTED_HOLDINGS && leftover_start > next_out) {
4114 SendToPlayer(&buf[next_out], leftover_start - next_out);
4118 leftover_len = buf_len - leftover_start;
4119 /* if buffer ends with something we couldn't parse,
4120 reparse it after appending the next read */
4122 } else if (count == 0) {
4123 RemoveInputSource(isr);
4124 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4126 DisplayFatalError(_("Error reading from ICS"), error, 1);
4131 /* Board style 12 looks like this:
4133 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4135 * The "<12> " is stripped before it gets to this routine. The two
4136 * trailing 0's (flip state and clock ticking) are later addition, and
4137 * some chess servers may not have them, or may have only the first.
4138 * Additional trailing fields may be added in the future.
4141 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4143 #define RELATION_OBSERVING_PLAYED 0
4144 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4145 #define RELATION_PLAYING_MYMOVE 1
4146 #define RELATION_PLAYING_NOTMYMOVE -1
4147 #define RELATION_EXAMINING 2
4148 #define RELATION_ISOLATED_BOARD -3
4149 #define RELATION_STARTING_POSITION -4 /* FICS only */
4152 ParseBoard12 (char *string)
4154 GameMode newGameMode;
4155 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4156 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4157 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4158 char to_play, board_chars[200];
4159 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4160 char black[32], white[32];
4162 int prevMove = currentMove;
4165 int fromX, fromY, toX, toY;
4167 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4168 char *bookHit = NULL; // [HGM] book
4169 Boolean weird = FALSE, reqFlag = FALSE;
4171 fromX = fromY = toX = toY = -1;
4175 if (appData.debugMode)
4176 fprintf(debugFP, _("Parsing board: %s\n"), string);
4178 move_str[0] = NULLCHAR;
4179 elapsed_time[0] = NULLCHAR;
4180 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4182 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4183 if(string[i] == ' ') { ranks++; files = 0; }
4185 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4188 for(j = 0; j <i; j++) board_chars[j] = string[j];
4189 board_chars[i] = '\0';
4192 n = sscanf(string, PATTERN, &to_play, &double_push,
4193 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4194 &gamenum, white, black, &relation, &basetime, &increment,
4195 &white_stren, &black_stren, &white_time, &black_time,
4196 &moveNum, str, elapsed_time, move_str, &ics_flip,
4200 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4201 DisplayError(str, 0);
4205 /* Convert the move number to internal form */
4206 moveNum = (moveNum - 1) * 2;
4207 if (to_play == 'B') moveNum++;
4208 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4209 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4215 case RELATION_OBSERVING_PLAYED:
4216 case RELATION_OBSERVING_STATIC:
4217 if (gamenum == -1) {
4218 /* Old ICC buglet */
4219 relation = RELATION_OBSERVING_STATIC;
4221 newGameMode = IcsObserving;
4223 case RELATION_PLAYING_MYMOVE:
4224 case RELATION_PLAYING_NOTMYMOVE:
4226 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4227 IcsPlayingWhite : IcsPlayingBlack;
4228 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4230 case RELATION_EXAMINING:
4231 newGameMode = IcsExamining;
4233 case RELATION_ISOLATED_BOARD:
4235 /* Just display this board. If user was doing something else,
4236 we will forget about it until the next board comes. */
4237 newGameMode = IcsIdle;
4239 case RELATION_STARTING_POSITION:
4240 newGameMode = gameMode;
4244 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4245 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4246 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4248 for (k = 0; k < ranks; k++) {
4249 for (j = 0; j < files; j++)
4250 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4251 if(gameInfo.holdingsWidth > 1) {
4252 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4253 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4256 CopyBoard(partnerBoard, board);
4257 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4258 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4259 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4260 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4261 if(toSqr = strchr(str, '-')) {
4262 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4263 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4264 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4265 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4266 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4267 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4269 DisplayWhiteClock(white_time, to_play == 'W');
4270 DisplayBlackClock(black_time, to_play != 'W');
4271 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4272 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4273 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4274 DisplayMessage(partnerStatus, "");
4275 partnerBoardValid = TRUE;
4279 /* Modify behavior for initial board display on move listing
4282 switch (ics_getting_history) {
4286 case H_GOT_REQ_HEADER:
4287 case H_GOT_UNREQ_HEADER:
4288 /* This is the initial position of the current game */
4289 gamenum = ics_gamenum;
4290 moveNum = 0; /* old ICS bug workaround */
4291 if (to_play == 'B') {
4292 startedFromSetupPosition = TRUE;
4293 blackPlaysFirst = TRUE;
4295 if (forwardMostMove == 0) forwardMostMove = 1;
4296 if (backwardMostMove == 0) backwardMostMove = 1;
4297 if (currentMove == 0) currentMove = 1;
4299 newGameMode = gameMode;
4300 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4302 case H_GOT_UNWANTED_HEADER:
4303 /* This is an initial board that we don't want */
4305 case H_GETTING_MOVES:
4306 /* Should not happen */
4307 DisplayError(_("Error gathering move list: extra board"), 0);
4308 ics_getting_history = H_FALSE;
4312 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4313 weird && (int)gameInfo.variant < (int)VariantShogi) {
4314 /* [HGM] We seem to have switched variant unexpectedly
4315 * Try to guess new variant from board size
4317 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4318 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4319 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4320 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4321 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4322 if(!weird) newVariant = VariantNormal;
4323 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4324 /* Get a move list just to see the header, which
4325 will tell us whether this is really bug or zh */
4326 if (ics_getting_history == H_FALSE) {
4327 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4328 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4333 /* Take action if this is the first board of a new game, or of a
4334 different game than is currently being displayed. */
4335 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4336 relation == RELATION_ISOLATED_BOARD) {
4338 /* Forget the old game and get the history (if any) of the new one */
4339 if (gameMode != BeginningOfGame) {
4343 if (appData.autoRaiseBoard) BoardToTop();
4345 if (gamenum == -1) {
4346 newGameMode = IcsIdle;
4347 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4348 appData.getMoveList && !reqFlag) {
4349 /* Need to get game history */
4350 ics_getting_history = H_REQUESTED;
4351 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4355 /* Initially flip the board to have black on the bottom if playing
4356 black or if the ICS flip flag is set, but let the user change
4357 it with the Flip View button. */
4358 flipView = appData.autoFlipView ?
4359 (newGameMode == IcsPlayingBlack) || ics_flip :
4362 /* Done with values from previous mode; copy in new ones */
4363 gameMode = newGameMode;
4365 ics_gamenum = gamenum;
4366 if (gamenum == gs_gamenum) {
4367 int klen = strlen(gs_kind);
4368 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4369 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4370 gameInfo.event = StrSave(str);
4372 gameInfo.event = StrSave("ICS game");
4374 gameInfo.site = StrSave(appData.icsHost);
4375 gameInfo.date = PGNDate();
4376 gameInfo.round = StrSave("-");
4377 gameInfo.white = StrSave(white);
4378 gameInfo.black = StrSave(black);
4379 timeControl = basetime * 60 * 1000;
4381 timeIncrement = increment * 1000;
4382 movesPerSession = 0;
4383 gameInfo.timeControl = TimeControlTagValue();
4384 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4385 if (appData.debugMode) {
4386 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4387 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4388 setbuf(debugFP, NULL);
4391 gameInfo.outOfBook = NULL;
4393 /* Do we have the ratings? */
4394 if (strcmp(player1Name, white) == 0 &&
4395 strcmp(player2Name, black) == 0) {
4396 if (appData.debugMode)
4397 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4398 player1Rating, player2Rating);
4399 gameInfo.whiteRating = player1Rating;
4400 gameInfo.blackRating = player2Rating;
4401 } else if (strcmp(player2Name, white) == 0 &&
4402 strcmp(player1Name, black) == 0) {
4403 if (appData.debugMode)
4404 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4405 player2Rating, player1Rating);
4406 gameInfo.whiteRating = player2Rating;
4407 gameInfo.blackRating = player1Rating;
4409 player1Name[0] = player2Name[0] = NULLCHAR;
4411 /* Silence shouts if requested */
4412 if (appData.quietPlay &&
4413 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4414 SendToICS(ics_prefix);
4415 SendToICS("set shout 0\n");
4419 /* Deal with midgame name changes */
4421 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4422 if (gameInfo.white) free(gameInfo.white);
4423 gameInfo.white = StrSave(white);
4425 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4426 if (gameInfo.black) free(gameInfo.black);
4427 gameInfo.black = StrSave(black);
4431 /* Throw away game result if anything actually changes in examine mode */
4432 if (gameMode == IcsExamining && !newGame) {
4433 gameInfo.result = GameUnfinished;
4434 if (gameInfo.resultDetails != NULL) {
4435 free(gameInfo.resultDetails);
4436 gameInfo.resultDetails = NULL;
4440 /* In pausing && IcsExamining mode, we ignore boards coming
4441 in if they are in a different variation than we are. */
4442 if (pauseExamInvalid) return;
4443 if (pausing && gameMode == IcsExamining) {
4444 if (moveNum <= pauseExamForwardMostMove) {
4445 pauseExamInvalid = TRUE;
4446 forwardMostMove = pauseExamForwardMostMove;
4451 if (appData.debugMode) {
4452 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4454 /* Parse the board */
4455 for (k = 0; k < ranks; k++) {
4456 for (j = 0; j < files; j++)
4457 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4458 if(gameInfo.holdingsWidth > 1) {
4459 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4460 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4463 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4464 board[5][BOARD_RGHT+1] = WhiteAngel;
4465 board[6][BOARD_RGHT+1] = WhiteMarshall;
4466 board[1][0] = BlackMarshall;
4467 board[2][0] = BlackAngel;
4468 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4470 CopyBoard(boards[moveNum], board);
4471 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4473 startedFromSetupPosition =
4474 !CompareBoards(board, initialPosition);
4475 if(startedFromSetupPosition)
4476 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4479 /* [HGM] Set castling rights. Take the outermost Rooks,
4480 to make it also work for FRC opening positions. Note that board12
4481 is really defective for later FRC positions, as it has no way to
4482 indicate which Rook can castle if they are on the same side of King.
4483 For the initial position we grant rights to the outermost Rooks,
4484 and remember thos rights, and we then copy them on positions
4485 later in an FRC game. This means WB might not recognize castlings with
4486 Rooks that have moved back to their original position as illegal,
4487 but in ICS mode that is not its job anyway.
4489 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4490 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4492 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4493 if(board[0][i] == WhiteRook) j = i;
4494 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4495 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4496 if(board[0][i] == WhiteRook) j = i;
4497 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4498 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4499 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4500 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4501 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4502 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4503 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4505 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4506 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4507 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4508 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4509 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4510 if(board[BOARD_HEIGHT-1][k] == bKing)
4511 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4512 if(gameInfo.variant == VariantTwoKings) {
4513 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4514 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4515 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4518 r = boards[moveNum][CASTLING][0] = initialRights[0];
4519 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4520 r = boards[moveNum][CASTLING][1] = initialRights[1];
4521 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4522 r = boards[moveNum][CASTLING][3] = initialRights[3];
4523 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4524 r = boards[moveNum][CASTLING][4] = initialRights[4];
4525 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4526 /* wildcastle kludge: always assume King has rights */
4527 r = boards[moveNum][CASTLING][2] = initialRights[2];
4528 r = boards[moveNum][CASTLING][5] = initialRights[5];
4530 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4531 boards[moveNum][EP_STATUS] = EP_NONE;
4532 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4533 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4534 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4537 if (ics_getting_history == H_GOT_REQ_HEADER ||
4538 ics_getting_history == H_GOT_UNREQ_HEADER) {
4539 /* This was an initial position from a move list, not
4540 the current position */
4544 /* Update currentMove and known move number limits */
4545 newMove = newGame || moveNum > forwardMostMove;
4548 forwardMostMove = backwardMostMove = currentMove = moveNum;
4549 if (gameMode == IcsExamining && moveNum == 0) {
4550 /* Workaround for ICS limitation: we are not told the wild
4551 type when starting to examine a game. But if we ask for
4552 the move list, the move list header will tell us */
4553 ics_getting_history = H_REQUESTED;
4554 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4557 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4558 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4560 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4561 /* [HGM] applied this also to an engine that is silently watching */
4562 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4563 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4564 gameInfo.variant == currentlyInitializedVariant) {
4565 takeback = forwardMostMove - moveNum;
4566 for (i = 0; i < takeback; i++) {
4567 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4568 SendToProgram("undo\n", &first);
4573 forwardMostMove = moveNum;
4574 if (!pausing || currentMove > forwardMostMove)
4575 currentMove = forwardMostMove;
4577 /* New part of history that is not contiguous with old part */
4578 if (pausing && gameMode == IcsExamining) {
4579 pauseExamInvalid = TRUE;
4580 forwardMostMove = pauseExamForwardMostMove;
4583 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4585 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4586 // [HGM] when we will receive the move list we now request, it will be
4587 // fed to the engine from the first move on. So if the engine is not
4588 // in the initial position now, bring it there.
4589 InitChessProgram(&first, 0);
4592 ics_getting_history = H_REQUESTED;
4593 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4596 forwardMostMove = backwardMostMove = currentMove = moveNum;
4599 /* Update the clocks */
4600 if (strchr(elapsed_time, '.')) {
4602 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4603 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4605 /* Time is in seconds */
4606 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4607 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4612 if (appData.zippyPlay && newGame &&
4613 gameMode != IcsObserving && gameMode != IcsIdle &&
4614 gameMode != IcsExamining)
4615 ZippyFirstBoard(moveNum, basetime, increment);
4618 /* Put the move on the move list, first converting
4619 to canonical algebraic form. */
4621 if (appData.debugMode) {
4622 if (appData.debugMode) { int f = forwardMostMove;
4623 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4624 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4625 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4627 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4628 fprintf(debugFP, "moveNum = %d\n", moveNum);
4629 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4630 setbuf(debugFP, NULL);
4632 if (moveNum <= backwardMostMove) {
4633 /* We don't know what the board looked like before
4635 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4636 strcat(parseList[moveNum - 1], " ");
4637 strcat(parseList[moveNum - 1], elapsed_time);
4638 moveList[moveNum - 1][0] = NULLCHAR;
4639 } else if (strcmp(move_str, "none") == 0) {
4640 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4641 /* Again, we don't know what the board looked like;
4642 this is really the start of the game. */
4643 parseList[moveNum - 1][0] = NULLCHAR;
4644 moveList[moveNum - 1][0] = NULLCHAR;
4645 backwardMostMove = moveNum;
4646 startedFromSetupPosition = TRUE;
4647 fromX = fromY = toX = toY = -1;
4649 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4650 // So we parse the long-algebraic move string in stead of the SAN move
4651 int valid; char buf[MSG_SIZ], *prom;
4653 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4654 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4655 // str looks something like "Q/a1-a2"; kill the slash
4657 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4658 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4659 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4660 strcat(buf, prom); // long move lacks promo specification!
4661 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4662 if(appData.debugMode)
4663 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4664 safeStrCpy(move_str, buf, MSG_SIZ);
4666 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4667 &fromX, &fromY, &toX, &toY, &promoChar)
4668 || ParseOneMove(buf, moveNum - 1, &moveType,
4669 &fromX, &fromY, &toX, &toY, &promoChar);
4670 // end of long SAN patch
4672 (void) CoordsToAlgebraic(boards[moveNum - 1],
4673 PosFlags(moveNum - 1),
4674 fromY, fromX, toY, toX, promoChar,
4675 parseList[moveNum-1]);
4676 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4682 if(gameInfo.variant != VariantShogi)
4683 strcat(parseList[moveNum - 1], "+");
4686 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4687 strcat(parseList[moveNum - 1], "#");
4690 strcat(parseList[moveNum - 1], " ");
4691 strcat(parseList[moveNum - 1], elapsed_time);
4692 /* currentMoveString is set as a side-effect of ParseOneMove */
4693 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4694 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4695 strcat(moveList[moveNum - 1], "\n");
4697 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4698 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4699 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4700 ChessSquare old, new = boards[moveNum][k][j];
4701 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4702 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4703 if(old == new) continue;
4704 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4705 else if(new == WhiteWazir || new == BlackWazir) {
4706 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4707 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4708 else boards[moveNum][k][j] = old; // preserve type of Gold
4709 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4710 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4713 /* Move from ICS was illegal!? Punt. */
4714 if (appData.debugMode) {
4715 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4716 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4718 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4719 strcat(parseList[moveNum - 1], " ");
4720 strcat(parseList[moveNum - 1], elapsed_time);
4721 moveList[moveNum - 1][0] = NULLCHAR;
4722 fromX = fromY = toX = toY = -1;
4725 if (appData.debugMode) {
4726 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4727 setbuf(debugFP, NULL);
4731 /* Send move to chess program (BEFORE animating it). */
4732 if (appData.zippyPlay && !newGame && newMove &&
4733 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4735 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4736 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4737 if (moveList[moveNum - 1][0] == NULLCHAR) {
4738 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4740 DisplayError(str, 0);
4742 if (first.sendTime) {
4743 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4745 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4746 if (firstMove && !bookHit) {
4748 if (first.useColors) {
4749 SendToProgram(gameMode == IcsPlayingWhite ?
4751 "black\ngo\n", &first);
4753 SendToProgram("go\n", &first);
4755 first.maybeThinking = TRUE;
4758 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4759 if (moveList[moveNum - 1][0] == NULLCHAR) {
4760 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4761 DisplayError(str, 0);
4763 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4764 SendMoveToProgram(moveNum - 1, &first);
4771 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4772 /* If move comes from a remote source, animate it. If it
4773 isn't remote, it will have already been animated. */
4774 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4775 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4777 if (!pausing && appData.highlightLastMove) {
4778 SetHighlights(fromX, fromY, toX, toY);
4782 /* Start the clocks */
4783 whiteFlag = blackFlag = FALSE;
4784 appData.clockMode = !(basetime == 0 && increment == 0);
4786 ics_clock_paused = TRUE;
4788 } else if (ticking == 1) {
4789 ics_clock_paused = FALSE;
4791 if (gameMode == IcsIdle ||
4792 relation == RELATION_OBSERVING_STATIC ||
4793 relation == RELATION_EXAMINING ||
4795 DisplayBothClocks();
4799 /* Display opponents and material strengths */
4800 if (gameInfo.variant != VariantBughouse &&
4801 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4802 if (tinyLayout || smallLayout) {
4803 if(gameInfo.variant == VariantNormal)
4804 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4805 gameInfo.white, white_stren, gameInfo.black, black_stren,
4806 basetime, increment);
4808 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4809 gameInfo.white, white_stren, gameInfo.black, black_stren,
4810 basetime, increment, (int) gameInfo.variant);
4812 if(gameInfo.variant == VariantNormal)
4813 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4814 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4815 basetime, increment);
4817 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4818 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4819 basetime, increment, VariantName(gameInfo.variant));
4822 if (appData.debugMode) {
4823 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4828 /* Display the board */
4829 if (!pausing && !appData.noGUI) {
4831 if (appData.premove)
4833 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4834 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4835 ClearPremoveHighlights();
4837 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4838 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4839 DrawPosition(j, boards[currentMove]);
4841 DisplayMove(moveNum - 1);
4842 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4843 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4844 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4845 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4849 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4851 if(bookHit) { // [HGM] book: simulate book reply
4852 static char bookMove[MSG_SIZ]; // a bit generous?
4854 programStats.nodes = programStats.depth = programStats.time =
4855 programStats.score = programStats.got_only_move = 0;
4856 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4858 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4859 strcat(bookMove, bookHit);
4860 HandleMachineMove(bookMove, &first);
4869 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4870 ics_getting_history = H_REQUESTED;
4871 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4877 AnalysisPeriodicEvent (int force)
4879 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4880 && !force) || !appData.periodicUpdates)
4883 /* Send . command to Crafty to collect stats */
4884 SendToProgram(".\n", &first);
4886 /* Don't send another until we get a response (this makes
4887 us stop sending to old Crafty's which don't understand
4888 the "." command (sending illegal cmds resets node count & time,
4889 which looks bad)) */
4890 programStats.ok_to_send = 0;
4894 ics_update_width (int new_width)
4896 ics_printf("set width %d\n", new_width);
4900 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4904 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4905 // null move in variant where engine does not understand it (for analysis purposes)
4906 SendBoard(cps, moveNum + 1); // send position after move in stead.
4909 if (cps->useUsermove) {
4910 SendToProgram("usermove ", cps);
4914 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4915 int len = space - parseList[moveNum];
4916 memcpy(buf, parseList[moveNum], len);
4918 buf[len] = NULLCHAR;
4920 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4922 SendToProgram(buf, cps);
4924 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4925 AlphaRank(moveList[moveNum], 4);
4926 SendToProgram(moveList[moveNum], cps);
4927 AlphaRank(moveList[moveNum], 4); // and back
4929 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4930 * the engine. It would be nice to have a better way to identify castle
4932 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4933 && cps->useOOCastle) {
4934 int fromX = moveList[moveNum][0] - AAA;
4935 int fromY = moveList[moveNum][1] - ONE;
4936 int toX = moveList[moveNum][2] - AAA;
4937 int toY = moveList[moveNum][3] - ONE;
4938 if((boards[moveNum][fromY][fromX] == WhiteKing
4939 && boards[moveNum][toY][toX] == WhiteRook)
4940 || (boards[moveNum][fromY][fromX] == BlackKing
4941 && boards[moveNum][toY][toX] == BlackRook)) {
4942 if(toX > fromX) SendToProgram("O-O\n", cps);
4943 else SendToProgram("O-O-O\n", cps);
4945 else SendToProgram(moveList[moveNum], cps);
4947 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4948 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4949 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4950 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4951 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4953 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4954 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4955 SendToProgram(buf, cps);
4957 else SendToProgram(moveList[moveNum], cps);
4958 /* End of additions by Tord */
4961 /* [HGM] setting up the opening has brought engine in force mode! */
4962 /* Send 'go' if we are in a mode where machine should play. */
4963 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4964 (gameMode == TwoMachinesPlay ||
4966 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4968 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4969 SendToProgram("go\n", cps);
4970 if (appData.debugMode) {
4971 fprintf(debugFP, "(extra)\n");
4974 setboardSpoiledMachineBlack = 0;
4978 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4980 char user_move[MSG_SIZ];
4983 if(gameInfo.variant == VariantSChess && promoChar) {
4984 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4985 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4986 } else suffix[0] = NULLCHAR;
4990 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4991 (int)moveType, fromX, fromY, toX, toY);
4992 DisplayError(user_move + strlen("say "), 0);
4994 case WhiteKingSideCastle:
4995 case BlackKingSideCastle:
4996 case WhiteQueenSideCastleWild:
4997 case BlackQueenSideCastleWild:
4999 case WhiteHSideCastleFR:
5000 case BlackHSideCastleFR:
5002 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5004 case WhiteQueenSideCastle:
5005 case BlackQueenSideCastle:
5006 case WhiteKingSideCastleWild:
5007 case BlackKingSideCastleWild:
5009 case WhiteASideCastleFR:
5010 case BlackASideCastleFR:
5012 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5014 case WhiteNonPromotion:
5015 case BlackNonPromotion:
5016 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5018 case WhitePromotion:
5019 case BlackPromotion:
5020 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5021 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5022 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5023 PieceToChar(WhiteFerz));
5024 else if(gameInfo.variant == VariantGreat)
5025 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5026 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5027 PieceToChar(WhiteMan));
5029 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5030 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5036 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5037 ToUpper(PieceToChar((ChessSquare) fromX)),
5038 AAA + toX, ONE + toY);
5040 case IllegalMove: /* could be a variant we don't quite understand */
5041 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5043 case WhiteCapturesEnPassant:
5044 case BlackCapturesEnPassant:
5045 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5046 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5049 SendToICS(user_move);
5050 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5051 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5056 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5057 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5058 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5059 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5060 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5063 if(gameMode != IcsExamining) { // is this ever not the case?
5064 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5066 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5067 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5068 } else { // on FICS we must first go to general examine mode
5069 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5071 if(gameInfo.variant != VariantNormal) {
5072 // try figure out wild number, as xboard names are not always valid on ICS
5073 for(i=1; i<=36; i++) {
5074 snprintf(buf, MSG_SIZ, "wild/%d", i);
5075 if(StringToVariant(buf) == gameInfo.variant) break;
5077 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5078 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5079 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5080 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5081 SendToICS(ics_prefix);
5083 if(startedFromSetupPosition || backwardMostMove != 0) {
5084 fen = PositionToFEN(backwardMostMove, NULL);
5085 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5086 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5088 } else { // FICS: everything has to set by separate bsetup commands
5089 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5090 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5092 if(!WhiteOnMove(backwardMostMove)) {
5093 SendToICS("bsetup tomove black\n");
5095 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5096 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5098 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5099 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5101 i = boards[backwardMostMove][EP_STATUS];
5102 if(i >= 0) { // set e.p.
5103 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5109 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5110 SendToICS("bsetup done\n"); // switch to normal examining.
5112 for(i = backwardMostMove; i<last; i++) {
5114 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5117 SendToICS(ics_prefix);
5118 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5122 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5124 if (rf == DROP_RANK) {
5125 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5126 sprintf(move, "%c@%c%c\n",
5127 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5129 if (promoChar == 'x' || promoChar == NULLCHAR) {
5130 sprintf(move, "%c%c%c%c\n",
5131 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5133 sprintf(move, "%c%c%c%c%c\n",
5134 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5140 ProcessICSInitScript (FILE *f)
5144 while (fgets(buf, MSG_SIZ, f)) {
5145 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5152 static int lastX, lastY, selectFlag, dragging;
5157 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5158 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5159 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5160 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5161 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5162 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5165 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5166 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5167 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5168 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5171 appData.testLegality && (promoSweep == king ||
5172 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5173 ChangeDragPiece(promoSweep);
5177 PromoScroll (int x, int y)
5181 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5182 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5183 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5184 if(!step) return FALSE;
5185 lastX = x; lastY = y;
5186 if((promoSweep < BlackPawn) == flipView) step = -step;
5187 if(step > 0) selectFlag = 1;
5188 if(!selectFlag) Sweep(step);
5193 NextPiece (int step)
5195 ChessSquare piece = boards[currentMove][toY][toX];
5198 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5199 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5200 if(!step) step = -1;
5201 } while(PieceToChar(pieceSweep) == '.');
5202 boards[currentMove][toY][toX] = pieceSweep;
5203 DrawPosition(FALSE, boards[currentMove]);
5204 boards[currentMove][toY][toX] = piece;
5206 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5208 AlphaRank (char *move, int n)
5210 // char *p = move, c; int x, y;
5212 if (appData.debugMode) {
5213 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5217 move[2]>='0' && move[2]<='9' &&
5218 move[3]>='a' && move[3]<='x' ) {
5220 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5221 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5223 if(move[0]>='0' && move[0]<='9' &&
5224 move[1]>='a' && move[1]<='x' &&
5225 move[2]>='0' && move[2]<='9' &&
5226 move[3]>='a' && move[3]<='x' ) {
5227 /* input move, Shogi -> normal */
5228 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5229 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5230 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5231 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5234 move[3]>='0' && move[3]<='9' &&
5235 move[2]>='a' && move[2]<='x' ) {
5237 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5238 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5241 move[0]>='a' && move[0]<='x' &&
5242 move[3]>='0' && move[3]<='9' &&
5243 move[2]>='a' && move[2]<='x' ) {
5244 /* output move, normal -> Shogi */
5245 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5246 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5247 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5248 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5249 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5251 if (appData.debugMode) {
5252 fprintf(debugFP, " out = '%s'\n", move);
5256 char yy_textstr[8000];
5258 /* Parser for moves from gnuchess, ICS, or user typein box */
5260 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5262 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5264 switch (*moveType) {
5265 case WhitePromotion:
5266 case BlackPromotion:
5267 case WhiteNonPromotion:
5268 case BlackNonPromotion:
5270 case WhiteCapturesEnPassant:
5271 case BlackCapturesEnPassant:
5272 case WhiteKingSideCastle:
5273 case WhiteQueenSideCastle:
5274 case BlackKingSideCastle:
5275 case BlackQueenSideCastle:
5276 case WhiteKingSideCastleWild:
5277 case WhiteQueenSideCastleWild:
5278 case BlackKingSideCastleWild:
5279 case BlackQueenSideCastleWild:
5280 /* Code added by Tord: */
5281 case WhiteHSideCastleFR:
5282 case WhiteASideCastleFR:
5283 case BlackHSideCastleFR:
5284 case BlackASideCastleFR:
5285 /* End of code added by Tord */
5286 case IllegalMove: /* bug or odd chess variant */
5287 *fromX = currentMoveString[0] - AAA;
5288 *fromY = currentMoveString[1] - ONE;
5289 *toX = currentMoveString[2] - AAA;
5290 *toY = currentMoveString[3] - ONE;
5291 *promoChar = currentMoveString[4];
5292 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5293 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5294 if (appData.debugMode) {
5295 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5297 *fromX = *fromY = *toX = *toY = 0;
5300 if (appData.testLegality) {
5301 return (*moveType != IllegalMove);
5303 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5304 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5309 *fromX = *moveType == WhiteDrop ?
5310 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5311 (int) CharToPiece(ToLower(currentMoveString[0]));
5313 *toX = currentMoveString[2] - AAA;
5314 *toY = currentMoveString[3] - ONE;
5315 *promoChar = NULLCHAR;
5319 case ImpossibleMove:
5329 if (appData.debugMode) {
5330 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5333 *fromX = *fromY = *toX = *toY = 0;
5334 *promoChar = NULLCHAR;
5339 Boolean pushed = FALSE;
5340 char *lastParseAttempt;
5343 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5344 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5345 int fromX, fromY, toX, toY; char promoChar;
5350 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5351 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5354 endPV = forwardMostMove;
5356 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5357 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5358 lastParseAttempt = pv;
5359 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5360 if(!valid && nr == 0 &&
5361 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5362 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5363 // Hande case where played move is different from leading PV move
5364 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5365 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5367 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5368 endPV += 2; // if position different, keep this
5369 moveList[endPV-1][0] = fromX + AAA;
5370 moveList[endPV-1][1] = fromY + ONE;
5371 moveList[endPV-1][2] = toX + AAA;
5372 moveList[endPV-1][3] = toY + ONE;
5373 parseList[endPV-1][0] = NULLCHAR;
5374 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5377 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5378 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5379 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5380 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5381 valid++; // allow comments in PV
5385 if(endPV+1 > framePtr) break; // no space, truncate
5388 CopyBoard(boards[endPV], boards[endPV-1]);
5389 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5390 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5391 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5392 CoordsToAlgebraic(boards[endPV - 1],
5393 PosFlags(endPV - 1),
5394 fromY, fromX, toY, toX, promoChar,
5395 parseList[endPV - 1]);
5397 if(atEnd == 2) return; // used hidden, for PV conversion
5398 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5399 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5400 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5401 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5402 DrawPosition(TRUE, boards[currentMove]);
5406 MultiPV (ChessProgramState *cps)
5407 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5409 for(i=0; i<cps->nrOptions; i++)
5410 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5416 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5418 int startPV, multi, lineStart, origIndex = index;
5419 char *p, buf2[MSG_SIZ];
5421 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5422 lastX = x; lastY = y;
5423 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5424 lineStart = startPV = index;
5425 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5426 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5428 do{ while(buf[index] && buf[index] != '\n') index++;
5429 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5431 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5432 int n = first.option[multi].value;
5433 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5434 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5435 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5436 first.option[multi].value = n;
5439 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5440 ExcludeClick(origIndex - lineStart);
5443 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5444 *start = startPV; *end = index-1;
5451 static char buf[10*MSG_SIZ];
5452 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5454 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5455 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5456 for(i = forwardMostMove; i<endPV; i++){
5457 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5458 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5461 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5462 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5468 LoadPV (int x, int y)
5469 { // called on right mouse click to load PV
5470 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5471 lastX = x; lastY = y;
5472 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5479 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5480 if(endPV < 0) return;
5481 if(appData.autoCopyPV) CopyFENToClipboard();
5483 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5484 Boolean saveAnimate = appData.animate;
5486 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5487 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5488 } else storedGames--; // abandon shelved tail of original game
5491 forwardMostMove = currentMove;
5492 currentMove = oldFMM;
5493 appData.animate = FALSE;
5494 ToNrEvent(forwardMostMove);
5495 appData.animate = saveAnimate;
5497 currentMove = forwardMostMove;
5498 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5499 ClearPremoveHighlights();
5500 DrawPosition(TRUE, boards[currentMove]);
5504 MovePV (int x, int y, int h)
5505 { // step through PV based on mouse coordinates (called on mouse move)
5506 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5508 // we must somehow check if right button is still down (might be released off board!)
5509 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5510 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5511 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5513 lastX = x; lastY = y;
5515 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5516 if(endPV < 0) return;
5517 if(y < margin) step = 1; else
5518 if(y > h - margin) step = -1;
5519 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5520 currentMove += step;
5521 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5522 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5523 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5524 DrawPosition(FALSE, boards[currentMove]);
5528 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5529 // All positions will have equal probability, but the current method will not provide a unique
5530 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5536 int piecesLeft[(int)BlackPawn];
5537 int seed, nrOfShuffles;
5540 GetPositionNumber ()
5541 { // sets global variable seed
5544 seed = appData.defaultFrcPosition;
5545 if(seed < 0) { // randomize based on time for negative FRC position numbers
5546 for(i=0; i<50; i++) seed += random();
5547 seed = random() ^ random() >> 8 ^ random() << 8;
5548 if(seed<0) seed = -seed;
5553 put (Board board, int pieceType, int rank, int n, int shade)
5554 // put the piece on the (n-1)-th empty squares of the given shade
5558 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5559 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5560 board[rank][i] = (ChessSquare) pieceType;
5561 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5563 piecesLeft[pieceType]--;
5572 AddOnePiece (Board board, int pieceType, int rank, int shade)
5573 // calculate where the next piece goes, (any empty square), and put it there
5577 i = seed % squaresLeft[shade];
5578 nrOfShuffles *= squaresLeft[shade];
5579 seed /= squaresLeft[shade];
5580 put(board, pieceType, rank, i, shade);
5584 AddTwoPieces (Board board, int pieceType, int rank)
5585 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5587 int i, n=squaresLeft[ANY], j=n-1, k;
5589 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5590 i = seed % k; // pick one
5593 while(i >= j) i -= j--;
5594 j = n - 1 - j; i += j;
5595 put(board, pieceType, rank, j, ANY);
5596 put(board, pieceType, rank, i, ANY);
5600 SetUpShuffle (Board board, int number)
5604 GetPositionNumber(); nrOfShuffles = 1;
5606 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5607 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5608 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5610 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5612 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5613 p = (int) board[0][i];
5614 if(p < (int) BlackPawn) piecesLeft[p] ++;
5615 board[0][i] = EmptySquare;
5618 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5619 // shuffles restricted to allow normal castling put KRR first
5620 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5621 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5622 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5623 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5624 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5625 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5626 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5627 put(board, WhiteRook, 0, 0, ANY);
5628 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5631 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5632 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5633 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5634 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5635 while(piecesLeft[p] >= 2) {
5636 AddOnePiece(board, p, 0, LITE);
5637 AddOnePiece(board, p, 0, DARK);
5639 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5642 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5643 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5644 // but we leave King and Rooks for last, to possibly obey FRC restriction
5645 if(p == (int)WhiteRook) continue;
5646 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5647 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5650 // now everything is placed, except perhaps King (Unicorn) and Rooks
5652 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5653 // Last King gets castling rights
5654 while(piecesLeft[(int)WhiteUnicorn]) {
5655 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5656 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5659 while(piecesLeft[(int)WhiteKing]) {
5660 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5661 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5666 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5667 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5670 // Only Rooks can be left; simply place them all
5671 while(piecesLeft[(int)WhiteRook]) {
5672 i = put(board, WhiteRook, 0, 0, ANY);
5673 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5676 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5678 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5681 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5682 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5685 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5689 SetCharTable (char *table, const char * map)
5690 /* [HGM] moved here from winboard.c because of its general usefulness */
5691 /* Basically a safe strcpy that uses the last character as King */
5693 int result = FALSE; int NrPieces;
5695 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5696 && NrPieces >= 12 && !(NrPieces&1)) {
5697 int i; /* [HGM] Accept even length from 12 to 34 */
5699 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5700 for( i=0; i<NrPieces/2-1; i++ ) {
5702 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5704 table[(int) WhiteKing] = map[NrPieces/2-1];
5705 table[(int) BlackKing] = map[NrPieces-1];
5714 Prelude (Board board)
5715 { // [HGM] superchess: random selection of exo-pieces
5716 int i, j, k; ChessSquare p;
5717 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5719 GetPositionNumber(); // use FRC position number
5721 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5722 SetCharTable(pieceToChar, appData.pieceToCharTable);
5723 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5724 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5727 j = seed%4; seed /= 4;
5728 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5729 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5730 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5731 j = seed%3 + (seed%3 >= j); seed /= 3;
5732 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5733 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5734 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5735 j = seed%3; seed /= 3;
5736 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5737 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5738 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5739 j = seed%2 + (seed%2 >= j); seed /= 2;
5740 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5741 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5742 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5743 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5744 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5745 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5746 put(board, exoPieces[0], 0, 0, ANY);
5747 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5751 InitPosition (int redraw)
5753 ChessSquare (* pieces)[BOARD_FILES];
5754 int i, j, pawnRow, overrule,
5755 oldx = gameInfo.boardWidth,
5756 oldy = gameInfo.boardHeight,
5757 oldh = gameInfo.holdingsWidth;
5760 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5762 /* [AS] Initialize pv info list [HGM] and game status */
5764 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5765 pvInfoList[i].depth = 0;
5766 boards[i][EP_STATUS] = EP_NONE;
5767 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5770 initialRulePlies = 0; /* 50-move counter start */
5772 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5773 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5777 /* [HGM] logic here is completely changed. In stead of full positions */
5778 /* the initialized data only consist of the two backranks. The switch */
5779 /* selects which one we will use, which is than copied to the Board */
5780 /* initialPosition, which for the rest is initialized by Pawns and */
5781 /* empty squares. This initial position is then copied to boards[0], */
5782 /* possibly after shuffling, so that it remains available. */
5784 gameInfo.holdingsWidth = 0; /* default board sizes */
5785 gameInfo.boardWidth = 8;
5786 gameInfo.boardHeight = 8;
5787 gameInfo.holdingsSize = 0;
5788 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5789 for(i=0; i<BOARD_FILES-2; i++)
5790 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5791 initialPosition[EP_STATUS] = EP_NONE;
5792 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5793 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5794 SetCharTable(pieceNickName, appData.pieceNickNames);
5795 else SetCharTable(pieceNickName, "............");
5798 switch (gameInfo.variant) {
5799 case VariantFischeRandom:
5800 shuffleOpenings = TRUE;
5803 case VariantShatranj:
5804 pieces = ShatranjArray;
5805 nrCastlingRights = 0;
5806 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5809 pieces = makrukArray;
5810 nrCastlingRights = 0;
5811 startedFromSetupPosition = TRUE;
5812 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5814 case VariantTwoKings:
5815 pieces = twoKingsArray;
5818 pieces = GrandArray;
5819 nrCastlingRights = 0;
5820 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5821 gameInfo.boardWidth = 10;
5822 gameInfo.boardHeight = 10;
5823 gameInfo.holdingsSize = 7;
5825 case VariantCapaRandom:
5826 shuffleOpenings = TRUE;
5827 case VariantCapablanca:
5828 pieces = CapablancaArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5833 pieces = GothicArray;
5834 gameInfo.boardWidth = 10;
5835 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5838 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5839 gameInfo.holdingsSize = 7;
5842 pieces = JanusArray;
5843 gameInfo.boardWidth = 10;
5844 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5845 nrCastlingRights = 6;
5846 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5847 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5848 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5849 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5850 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5851 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5854 pieces = FalconArray;
5855 gameInfo.boardWidth = 10;
5856 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5858 case VariantXiangqi:
5859 pieces = XiangqiArray;
5860 gameInfo.boardWidth = 9;
5861 gameInfo.boardHeight = 10;
5862 nrCastlingRights = 0;
5863 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5866 pieces = ShogiArray;
5867 gameInfo.boardWidth = 9;
5868 gameInfo.boardHeight = 9;
5869 gameInfo.holdingsSize = 7;
5870 nrCastlingRights = 0;
5871 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5873 case VariantCourier:
5874 pieces = CourierArray;
5875 gameInfo.boardWidth = 12;
5876 nrCastlingRights = 0;
5877 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5879 case VariantKnightmate:
5880 pieces = KnightmateArray;
5881 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5883 case VariantSpartan:
5884 pieces = SpartanArray;
5885 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5888 pieces = fairyArray;
5889 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5892 pieces = GreatArray;
5893 gameInfo.boardWidth = 10;
5894 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5895 gameInfo.holdingsSize = 8;
5899 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5900 gameInfo.holdingsSize = 8;
5901 startedFromSetupPosition = TRUE;
5903 case VariantCrazyhouse:
5904 case VariantBughouse:
5906 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5907 gameInfo.holdingsSize = 5;
5909 case VariantWildCastle:
5911 /* !!?shuffle with kings guaranteed to be on d or e file */
5912 shuffleOpenings = 1;
5914 case VariantNoCastle:
5916 nrCastlingRights = 0;
5917 /* !!?unconstrained back-rank shuffle */
5918 shuffleOpenings = 1;
5923 if(appData.NrFiles >= 0) {
5924 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5925 gameInfo.boardWidth = appData.NrFiles;
5927 if(appData.NrRanks >= 0) {
5928 gameInfo.boardHeight = appData.NrRanks;
5930 if(appData.holdingsSize >= 0) {
5931 i = appData.holdingsSize;
5932 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5933 gameInfo.holdingsSize = i;
5935 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5936 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5937 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5939 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5940 if(pawnRow < 1) pawnRow = 1;
5941 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5943 /* User pieceToChar list overrules defaults */
5944 if(appData.pieceToCharTable != NULL)
5945 SetCharTable(pieceToChar, appData.pieceToCharTable);
5947 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5949 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5950 s = (ChessSquare) 0; /* account holding counts in guard band */
5951 for( i=0; i<BOARD_HEIGHT; i++ )
5952 initialPosition[i][j] = s;
5954 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5955 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5956 initialPosition[pawnRow][j] = WhitePawn;
5957 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5958 if(gameInfo.variant == VariantXiangqi) {
5960 initialPosition[pawnRow][j] =
5961 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5962 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5963 initialPosition[2][j] = WhiteCannon;
5964 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5968 if(gameInfo.variant == VariantGrand) {
5969 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5970 initialPosition[0][j] = WhiteRook;
5971 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5974 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5976 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5979 initialPosition[1][j] = WhiteBishop;
5980 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5982 initialPosition[1][j] = WhiteRook;
5983 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5986 if( nrCastlingRights == -1) {
5987 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5988 /* This sets default castling rights from none to normal corners */
5989 /* Variants with other castling rights must set them themselves above */
5990 nrCastlingRights = 6;
5992 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5993 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5994 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5995 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5996 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5997 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6000 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6001 if(gameInfo.variant == VariantGreat) { // promotion commoners
6002 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6003 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6004 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6005 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6007 if( gameInfo.variant == VariantSChess ) {
6008 initialPosition[1][0] = BlackMarshall;
6009 initialPosition[2][0] = BlackAngel;
6010 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6011 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6012 initialPosition[1][1] = initialPosition[2][1] =
6013 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6015 if (appData.debugMode) {
6016 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6018 if(shuffleOpenings) {
6019 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6020 startedFromSetupPosition = TRUE;
6022 if(startedFromPositionFile) {
6023 /* [HGM] loadPos: use PositionFile for every new game */
6024 CopyBoard(initialPosition, filePosition);
6025 for(i=0; i<nrCastlingRights; i++)
6026 initialRights[i] = filePosition[CASTLING][i];
6027 startedFromSetupPosition = TRUE;
6030 CopyBoard(boards[0], initialPosition);
6032 if(oldx != gameInfo.boardWidth ||
6033 oldy != gameInfo.boardHeight ||
6034 oldv != gameInfo.variant ||
6035 oldh != gameInfo.holdingsWidth
6037 InitDrawingSizes(-2 ,0);
6039 oldv = gameInfo.variant;
6041 DrawPosition(TRUE, boards[currentMove]);
6045 SendBoard (ChessProgramState *cps, int moveNum)
6047 char message[MSG_SIZ];
6049 if (cps->useSetboard) {
6050 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6051 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6052 SendToProgram(message, cps);
6057 int i, j, left=0, right=BOARD_WIDTH;
6058 /* Kludge to set black to move, avoiding the troublesome and now
6059 * deprecated "black" command.
6061 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6062 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6064 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6066 SendToProgram("edit\n", cps);
6067 SendToProgram("#\n", cps);
6068 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6069 bp = &boards[moveNum][i][left];
6070 for (j = left; j < right; j++, bp++) {
6071 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6072 if ((int) *bp < (int) BlackPawn) {
6073 if(j == BOARD_RGHT+1)
6074 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6075 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6076 if(message[0] == '+' || message[0] == '~') {
6077 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6078 PieceToChar((ChessSquare)(DEMOTED *bp)),
6081 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6082 message[1] = BOARD_RGHT - 1 - j + '1';
6083 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6085 SendToProgram(message, cps);
6090 SendToProgram("c\n", cps);
6091 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6092 bp = &boards[moveNum][i][left];
6093 for (j = left; j < right; j++, bp++) {
6094 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6095 if (((int) *bp != (int) EmptySquare)
6096 && ((int) *bp >= (int) BlackPawn)) {
6097 if(j == BOARD_LEFT-2)
6098 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6099 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6101 if(message[0] == '+' || message[0] == '~') {
6102 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6103 PieceToChar((ChessSquare)(DEMOTED *bp)),
6106 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6107 message[1] = BOARD_RGHT - 1 - j + '1';
6108 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6110 SendToProgram(message, cps);
6115 SendToProgram(".\n", cps);
6117 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6120 char exclusionHeader[MSG_SIZ];
6121 int exCnt, excludePtr;
6122 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6123 static Exclusion excluTab[200];
6124 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6130 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6131 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6137 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6138 excludePtr = 24; exCnt = 0;
6143 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6144 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6145 char buf[2*MOVE_LEN], *p;
6146 Exclusion *e = excluTab;
6148 for(i=0; i<exCnt; i++)
6149 if(e[i].ff == fromX && e[i].fr == fromY &&
6150 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6151 if(i == exCnt) { // was not in exclude list; add it
6152 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6153 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6154 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6157 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6158 excludePtr++; e[i].mark = excludePtr++;
6159 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6162 exclusionHeader[e[i].mark] = state;
6166 ExcludeOneMove (int fromY, int fromX, int toY, int toX, signed char promoChar, char state)
6167 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6171 if(promoChar == -1) { // kludge to indicate best move
6172 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6173 return 1; // if unparsable, abort
6175 // update exclusion map (resolving toggle by consulting existing state)
6176 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6178 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6179 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6180 excludeMap[k] |= 1<<j;
6181 else excludeMap[k] &= ~(1<<j);
6183 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6185 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6186 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6187 SendToProgram(buf, &first);
6188 return (state == '+');
6192 ExcludeClick (int index)
6195 Exclusion *e = excluTab;
6196 if(index < 25) { // none, best or tail clicked
6197 if(index < 13) { // none: include all
6198 WriteMap(0); // clear map
6199 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6200 SendToProgram("include all\n", &first); // and inform engine
6201 } else if(index > 18) { // tail
6202 if(exclusionHeader[19] == '-') { // tail was excluded
6203 SendToProgram("include all\n", &first);
6204 WriteMap(0); // clear map completely
6205 // now re-exclude selected moves
6206 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6207 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6208 } else { // tail was included or in mixed state
6209 SendToProgram("exclude all\n", &first);
6210 WriteMap(0xFF); // fill map completely
6211 // now re-include selected moves
6212 j = 0; // count them
6213 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6214 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6215 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6218 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6221 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6222 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6223 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6230 DefaultPromoChoice (int white)
6233 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6234 result = WhiteFerz; // no choice
6235 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6236 result= WhiteKing; // in Suicide Q is the last thing we want
6237 else if(gameInfo.variant == VariantSpartan)
6238 result = white ? WhiteQueen : WhiteAngel;
6239 else result = WhiteQueen;
6240 if(!white) result = WHITE_TO_BLACK result;
6244 static int autoQueen; // [HGM] oneclick
6247 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6249 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6250 /* [HGM] add Shogi promotions */
6251 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6256 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6257 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6259 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6260 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6263 piece = boards[currentMove][fromY][fromX];
6264 if(gameInfo.variant == VariantShogi) {
6265 promotionZoneSize = BOARD_HEIGHT/3;
6266 highestPromotingPiece = (int)WhiteFerz;
6267 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6268 promotionZoneSize = 3;
6271 // Treat Lance as Pawn when it is not representing Amazon
6272 if(gameInfo.variant != VariantSuper) {
6273 if(piece == WhiteLance) piece = WhitePawn; else
6274 if(piece == BlackLance) piece = BlackPawn;
6277 // next weed out all moves that do not touch the promotion zone at all
6278 if((int)piece >= BlackPawn) {
6279 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6281 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6283 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6284 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6287 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6289 // weed out mandatory Shogi promotions
6290 if(gameInfo.variant == VariantShogi) {
6291 if(piece >= BlackPawn) {
6292 if(toY == 0 && piece == BlackPawn ||
6293 toY == 0 && piece == BlackQueen ||
6294 toY <= 1 && piece == BlackKnight) {
6299 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6300 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6301 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6308 // weed out obviously illegal Pawn moves
6309 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6310 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6311 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6312 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6313 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6314 // note we are not allowed to test for valid (non-)capture, due to premove
6317 // we either have a choice what to promote to, or (in Shogi) whether to promote
6318 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6319 *promoChoice = PieceToChar(BlackFerz); // no choice
6322 // no sense asking what we must promote to if it is going to explode...
6323 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6324 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6327 // give caller the default choice even if we will not make it
6328 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6329 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6330 if( sweepSelect && gameInfo.variant != VariantGreat
6331 && gameInfo.variant != VariantGrand
6332 && gameInfo.variant != VariantSuper) return FALSE;
6333 if(autoQueen) return FALSE; // predetermined
6335 // suppress promotion popup on illegal moves that are not premoves
6336 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6337 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6338 if(appData.testLegality && !premove) {
6339 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6340 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6341 if(moveType != WhitePromotion && moveType != BlackPromotion)
6349 InPalace (int row, int column)
6350 { /* [HGM] for Xiangqi */
6351 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6352 column < (BOARD_WIDTH + 4)/2 &&
6353 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6358 PieceForSquare (int x, int y)
6360 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6363 return boards[currentMove][y][x];
6367 OKToStartUserMove (int x, int y)
6369 ChessSquare from_piece;
6372 if (matchMode) return FALSE;
6373 if (gameMode == EditPosition) return TRUE;
6375 if (x >= 0 && y >= 0)
6376 from_piece = boards[currentMove][y][x];
6378 from_piece = EmptySquare;
6380 if (from_piece == EmptySquare) return FALSE;
6382 white_piece = (int)from_piece >= (int)WhitePawn &&
6383 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6387 case TwoMachinesPlay:
6395 case MachinePlaysWhite:
6396 case IcsPlayingBlack:
6397 if (appData.zippyPlay) return FALSE;
6399 DisplayMoveError(_("You are playing Black"));
6404 case MachinePlaysBlack:
6405 case IcsPlayingWhite:
6406 if (appData.zippyPlay) return FALSE;
6408 DisplayMoveError(_("You are playing White"));
6413 case PlayFromGameFile:
6414 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6416 if (!white_piece && WhiteOnMove(currentMove)) {
6417 DisplayMoveError(_("It is White's turn"));
6420 if (white_piece && !WhiteOnMove(currentMove)) {
6421 DisplayMoveError(_("It is Black's turn"));
6424 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6425 /* Editing correspondence game history */
6426 /* Could disallow this or prompt for confirmation */
6431 case BeginningOfGame:
6432 if (appData.icsActive) return FALSE;
6433 if (!appData.noChessProgram) {
6435 DisplayMoveError(_("You are playing White"));
6442 if (!white_piece && WhiteOnMove(currentMove)) {
6443 DisplayMoveError(_("It is White's turn"));
6446 if (white_piece && !WhiteOnMove(currentMove)) {
6447 DisplayMoveError(_("It is Black's turn"));
6456 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6457 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6458 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6459 && gameMode != AnalyzeFile && gameMode != Training) {
6460 DisplayMoveError(_("Displayed position is not current"));
6467 OnlyMove (int *x, int *y, Boolean captures)
6469 DisambiguateClosure cl;
6470 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6472 case MachinePlaysBlack:
6473 case IcsPlayingWhite:
6474 case BeginningOfGame:
6475 if(!WhiteOnMove(currentMove)) return FALSE;
6477 case MachinePlaysWhite:
6478 case IcsPlayingBlack:
6479 if(WhiteOnMove(currentMove)) return FALSE;
6486 cl.pieceIn = EmptySquare;
6491 cl.promoCharIn = NULLCHAR;
6492 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6493 if( cl.kind == NormalMove ||
6494 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6495 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6496 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6503 if(cl.kind != ImpossibleMove) return FALSE;
6504 cl.pieceIn = EmptySquare;
6509 cl.promoCharIn = NULLCHAR;
6510 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6511 if( cl.kind == NormalMove ||
6512 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6513 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6514 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6519 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6525 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6526 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6527 int lastLoadGameUseList = FALSE;
6528 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6529 ChessMove lastLoadGameStart = EndOfFile;
6533 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6536 ChessSquare pdown, pup;
6537 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6540 /* Check if the user is playing in turn. This is complicated because we
6541 let the user "pick up" a piece before it is his turn. So the piece he
6542 tried to pick up may have been captured by the time he puts it down!
6543 Therefore we use the color the user is supposed to be playing in this
6544 test, not the color of the piece that is currently on the starting
6545 square---except in EditGame mode, where the user is playing both
6546 sides; fortunately there the capture race can't happen. (It can
6547 now happen in IcsExamining mode, but that's just too bad. The user
6548 will get a somewhat confusing message in that case.)
6553 case TwoMachinesPlay:
6557 /* We switched into a game mode where moves are not accepted,
6558 perhaps while the mouse button was down. */
6561 case MachinePlaysWhite:
6562 /* User is moving for Black */
6563 if (WhiteOnMove(currentMove)) {
6564 DisplayMoveError(_("It is White's turn"));
6569 case MachinePlaysBlack:
6570 /* User is moving for White */
6571 if (!WhiteOnMove(currentMove)) {
6572 DisplayMoveError(_("It is Black's turn"));
6577 case PlayFromGameFile:
6578 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6581 case BeginningOfGame:
6584 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6585 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6586 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6587 /* User is moving for Black */
6588 if (WhiteOnMove(currentMove)) {
6589 DisplayMoveError(_("It is White's turn"));
6593 /* User is moving for White */
6594 if (!WhiteOnMove(currentMove)) {
6595 DisplayMoveError(_("It is Black's turn"));
6601 case IcsPlayingBlack:
6602 /* User is moving for Black */
6603 if (WhiteOnMove(currentMove)) {
6604 if (!appData.premove) {
6605 DisplayMoveError(_("It is White's turn"));
6606 } else if (toX >= 0 && toY >= 0) {
6609 premoveFromX = fromX;
6610 premoveFromY = fromY;
6611 premovePromoChar = promoChar;
6613 if (appData.debugMode)
6614 fprintf(debugFP, "Got premove: fromX %d,"
6615 "fromY %d, toX %d, toY %d\n",
6616 fromX, fromY, toX, toY);
6622 case IcsPlayingWhite:
6623 /* User is moving for White */
6624 if (!WhiteOnMove(currentMove)) {
6625 if (!appData.premove) {
6626 DisplayMoveError(_("It is Black's turn"));
6627 } else if (toX >= 0 && toY >= 0) {
6630 premoveFromX = fromX;
6631 premoveFromY = fromY;
6632 premovePromoChar = promoChar;
6634 if (appData.debugMode)
6635 fprintf(debugFP, "Got premove: fromX %d,"
6636 "fromY %d, toX %d, toY %d\n",
6637 fromX, fromY, toX, toY);
6647 /* EditPosition, empty square, or different color piece;
6648 click-click move is possible */
6649 if (toX == -2 || toY == -2) {
6650 boards[0][fromY][fromX] = EmptySquare;
6651 DrawPosition(FALSE, boards[currentMove]);
6653 } else if (toX >= 0 && toY >= 0) {
6654 boards[0][toY][toX] = boards[0][fromY][fromX];
6655 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6656 if(boards[0][fromY][0] != EmptySquare) {
6657 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6658 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6661 if(fromX == BOARD_RGHT+1) {
6662 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6663 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6664 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6667 boards[0][fromY][fromX] = EmptySquare;
6668 DrawPosition(FALSE, boards[currentMove]);
6674 if(toX < 0 || toY < 0) return;
6675 pdown = boards[currentMove][fromY][fromX];
6676 pup = boards[currentMove][toY][toX];
6678 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6679 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6680 if( pup != EmptySquare ) return;
6681 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6682 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6683 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6684 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6685 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6686 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6687 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6691 /* [HGM] always test for legality, to get promotion info */
6692 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6693 fromY, fromX, toY, toX, promoChar);
6695 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6697 /* [HGM] but possibly ignore an IllegalMove result */
6698 if (appData.testLegality) {
6699 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6700 DisplayMoveError(_("Illegal move"));
6705 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6706 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6707 ClearPremoveHighlights(); // was included
6708 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6712 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6715 /* Common tail of UserMoveEvent and DropMenuEvent */
6717 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6721 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6722 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6723 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6724 if(WhiteOnMove(currentMove)) {
6725 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6727 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6731 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6732 move type in caller when we know the move is a legal promotion */
6733 if(moveType == NormalMove && promoChar)
6734 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6736 /* [HGM] <popupFix> The following if has been moved here from
6737 UserMoveEvent(). Because it seemed to belong here (why not allow
6738 piece drops in training games?), and because it can only be
6739 performed after it is known to what we promote. */
6740 if (gameMode == Training) {
6741 /* compare the move played on the board to the next move in the
6742 * game. If they match, display the move and the opponent's response.
6743 * If they don't match, display an error message.
6747 CopyBoard(testBoard, boards[currentMove]);
6748 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6750 if (CompareBoards(testBoard, boards[currentMove+1])) {
6751 ForwardInner(currentMove+1);
6753 /* Autoplay the opponent's response.
6754 * if appData.animate was TRUE when Training mode was entered,
6755 * the response will be animated.
6757 saveAnimate = appData.animate;
6758 appData.animate = animateTraining;
6759 ForwardInner(currentMove+1);
6760 appData.animate = saveAnimate;
6762 /* check for the end of the game */
6763 if (currentMove >= forwardMostMove) {
6764 gameMode = PlayFromGameFile;
6766 SetTrainingModeOff();
6767 DisplayInformation(_("End of game"));
6770 DisplayError(_("Incorrect move"), 0);
6775 /* Ok, now we know that the move is good, so we can kill
6776 the previous line in Analysis Mode */
6777 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6778 && currentMove < forwardMostMove) {
6779 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6780 else forwardMostMove = currentMove;
6785 /* If we need the chess program but it's dead, restart it */
6786 ResurrectChessProgram();
6788 /* A user move restarts a paused game*/
6792 thinkOutput[0] = NULLCHAR;
6794 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6796 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6797 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6801 if (gameMode == BeginningOfGame) {
6802 if (appData.noChessProgram) {
6803 gameMode = EditGame;
6807 gameMode = MachinePlaysBlack;
6810 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6812 if (first.sendName) {
6813 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6814 SendToProgram(buf, &first);
6821 /* Relay move to ICS or chess engine */
6822 if (appData.icsActive) {
6823 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6824 gameMode == IcsExamining) {
6825 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6826 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6828 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6830 // also send plain move, in case ICS does not understand atomic claims
6831 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6835 if (first.sendTime && (gameMode == BeginningOfGame ||
6836 gameMode == MachinePlaysWhite ||
6837 gameMode == MachinePlaysBlack)) {
6838 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6840 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6841 // [HGM] book: if program might be playing, let it use book
6842 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6843 first.maybeThinking = TRUE;
6844 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6845 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6846 SendBoard(&first, currentMove+1);
6847 } else SendMoveToProgram(forwardMostMove-1, &first);
6848 if (currentMove == cmailOldMove + 1) {
6849 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6853 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6857 if(appData.testLegality)
6858 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6864 if (WhiteOnMove(currentMove)) {
6865 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6867 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6871 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6876 case MachinePlaysBlack:
6877 case MachinePlaysWhite:
6878 /* disable certain menu options while machine is thinking */
6879 SetMachineThinkingEnables();
6886 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6887 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6889 if(bookHit) { // [HGM] book: simulate book reply
6890 static char bookMove[MSG_SIZ]; // a bit generous?
6892 programStats.nodes = programStats.depth = programStats.time =
6893 programStats.score = programStats.got_only_move = 0;
6894 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6896 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6897 strcat(bookMove, bookHit);
6898 HandleMachineMove(bookMove, &first);
6904 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6906 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6907 Markers *m = (Markers *) closure;
6908 if(rf == fromY && ff == fromX)
6909 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6910 || kind == WhiteCapturesEnPassant
6911 || kind == BlackCapturesEnPassant);
6912 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6916 MarkTargetSquares (int clear)
6919 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6920 !appData.testLegality || gameMode == EditPosition) return;
6922 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6925 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6926 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6927 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6929 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6932 DrawPosition(TRUE, NULL);
6936 Explode (Board board, int fromX, int fromY, int toX, int toY)
6938 if(gameInfo.variant == VariantAtomic &&
6939 (board[toY][toX] != EmptySquare || // capture?
6940 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6941 board[fromY][fromX] == BlackPawn )
6943 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6949 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6952 CanPromote (ChessSquare piece, int y)
6954 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6955 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6956 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6957 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6958 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6959 gameInfo.variant == VariantMakruk) return FALSE;
6960 return (piece == BlackPawn && y == 1 ||
6961 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6962 piece == BlackLance && y == 1 ||
6963 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6967 LeftClick (ClickType clickType, int xPix, int yPix)
6970 Boolean saveAnimate;
6971 static int second = 0, promotionChoice = 0, clearFlag = 0;
6972 char promoChoice = NULLCHAR;
6974 static TimeMark lastClickTime, prevClickTime;
6976 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6978 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
6980 if (clickType == Press) ErrorPopDown();
6982 x = EventToSquare(xPix, BOARD_WIDTH);
6983 y = EventToSquare(yPix, BOARD_HEIGHT);
6984 if (!flipView && y >= 0) {
6985 y = BOARD_HEIGHT - 1 - y;
6987 if (flipView && x >= 0) {
6988 x = BOARD_WIDTH - 1 - x;
6991 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6992 defaultPromoChoice = promoSweep;
6993 promoSweep = EmptySquare; // terminate sweep
6994 promoDefaultAltered = TRUE;
6995 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6998 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6999 if(clickType == Release) return; // ignore upclick of click-click destination
7000 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7001 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7002 if(gameInfo.holdingsWidth &&
7003 (WhiteOnMove(currentMove)
7004 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7005 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7006 // click in right holdings, for determining promotion piece
7007 ChessSquare p = boards[currentMove][y][x];
7008 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7009 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7010 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7011 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7016 DrawPosition(FALSE, boards[currentMove]);
7020 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7021 if(clickType == Press
7022 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7023 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7024 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7027 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7028 // could be static click on premove from-square: abort premove
7030 ClearPremoveHighlights();
7033 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7034 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7036 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7037 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7038 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7039 defaultPromoChoice = DefaultPromoChoice(side);
7042 autoQueen = appData.alwaysPromoteToQueen;
7046 gatingPiece = EmptySquare;
7047 if (clickType != Press) {
7048 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7049 DragPieceEnd(xPix, yPix); dragging = 0;
7050 DrawPosition(FALSE, NULL);
7054 doubleClick = FALSE;
7055 fromX = x; fromY = y; toX = toY = -1;
7056 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7057 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7058 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7060 if (OKToStartUserMove(fromX, fromY)) {
7062 MarkTargetSquares(0);
7063 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7064 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7065 promoSweep = defaultPromoChoice;
7066 selectFlag = 0; lastX = xPix; lastY = yPix;
7067 Sweep(0); // Pawn that is going to promote: preview promotion piece
7068 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7070 if (appData.highlightDragging) {
7071 SetHighlights(fromX, fromY, -1, -1);
7073 } else fromX = fromY = -1;
7079 if (clickType == Press && gameMode != EditPosition) {
7084 // ignore off-board to clicks
7085 if(y < 0 || x < 0) return;
7087 /* Check if clicking again on the same color piece */
7088 fromP = boards[currentMove][fromY][fromX];
7089 toP = boards[currentMove][y][x];
7090 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7091 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7092 WhitePawn <= toP && toP <= WhiteKing &&
7093 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7094 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7095 (BlackPawn <= fromP && fromP <= BlackKing &&
7096 BlackPawn <= toP && toP <= BlackKing &&
7097 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7098 !(fromP == BlackKing && toP == BlackRook && frc))) {
7099 /* Clicked again on same color piece -- changed his mind */
7100 second = (x == fromX && y == fromY);
7101 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7102 second = FALSE; // first double-click rather than scond click
7103 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7105 promoDefaultAltered = FALSE;
7106 MarkTargetSquares(1);
7107 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7108 if (appData.highlightDragging) {
7109 SetHighlights(x, y, -1, -1);
7113 if (OKToStartUserMove(x, y)) {
7114 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7115 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7116 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7117 gatingPiece = boards[currentMove][fromY][fromX];
7118 else gatingPiece = doubleClick ? fromP : EmptySquare;
7120 fromY = y; dragging = 1;
7121 MarkTargetSquares(0);
7122 DragPieceBegin(xPix, yPix, FALSE);
7123 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7124 promoSweep = defaultPromoChoice;
7125 selectFlag = 0; lastX = xPix; lastY = yPix;
7126 Sweep(0); // Pawn that is going to promote: preview promotion piece
7130 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7133 // ignore clicks on holdings
7134 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7137 if (clickType == Release && x == fromX && y == fromY) {
7138 DragPieceEnd(xPix, yPix); dragging = 0;
7140 // a deferred attempt to click-click move an empty square on top of a piece
7141 boards[currentMove][y][x] = EmptySquare;
7143 DrawPosition(FALSE, boards[currentMove]);
7144 fromX = fromY = -1; clearFlag = 0;
7147 if (appData.animateDragging) {
7148 /* Undo animation damage if any */
7149 DrawPosition(FALSE, NULL);
7152 /* Second up/down in same square; just abort move */
7155 gatingPiece = EmptySquare;
7158 ClearPremoveHighlights();
7160 /* First upclick in same square; start click-click mode */
7161 SetHighlights(x, y, -1, -1);
7168 /* we now have a different from- and (possibly off-board) to-square */
7169 /* Completed move */
7172 saveAnimate = appData.animate;
7173 MarkTargetSquares(1);
7174 if (clickType == Press) {
7175 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7176 // must be Edit Position mode with empty-square selected
7177 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7178 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7181 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7182 ChessSquare piece = boards[currentMove][fromY][fromX];
7183 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7184 promoSweep = defaultPromoChoice;
7185 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7186 selectFlag = 0; lastX = xPix; lastY = yPix;
7187 Sweep(0); // Pawn that is going to promote: preview promotion piece
7188 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7189 DrawPosition(FALSE, boards[currentMove]);
7192 /* Finish clickclick move */
7193 if (appData.animate || appData.highlightLastMove) {
7194 SetHighlights(fromX, fromY, toX, toY);
7199 /* Finish drag move */
7200 if (appData.highlightLastMove) {
7201 SetHighlights(fromX, fromY, toX, toY);
7205 DragPieceEnd(xPix, yPix); dragging = 0;
7206 /* Don't animate move and drag both */
7207 appData.animate = FALSE;
7210 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7211 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7212 ChessSquare piece = boards[currentMove][fromY][fromX];
7213 if(gameMode == EditPosition && piece != EmptySquare &&
7214 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7217 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7218 n = PieceToNumber(piece - (int)BlackPawn);
7219 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7220 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7221 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7223 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7224 n = PieceToNumber(piece);
7225 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7226 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7227 boards[currentMove][n][BOARD_WIDTH-2]++;
7229 boards[currentMove][fromY][fromX] = EmptySquare;
7233 DrawPosition(TRUE, boards[currentMove]);
7237 // off-board moves should not be highlighted
7238 if(x < 0 || y < 0) ClearHighlights();
7240 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7242 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7243 SetHighlights(fromX, fromY, toX, toY);
7244 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7245 // [HGM] super: promotion to captured piece selected from holdings
7246 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7247 promotionChoice = TRUE;
7248 // kludge follows to temporarily execute move on display, without promoting yet
7249 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7250 boards[currentMove][toY][toX] = p;
7251 DrawPosition(FALSE, boards[currentMove]);
7252 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7253 boards[currentMove][toY][toX] = q;
7254 DisplayMessage("Click in holdings to choose piece", "");
7259 int oldMove = currentMove;
7260 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7261 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7262 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7263 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7264 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7265 DrawPosition(TRUE, boards[currentMove]);
7268 appData.animate = saveAnimate;
7269 if (appData.animate || appData.animateDragging) {
7270 /* Undo animation damage if needed */
7271 DrawPosition(FALSE, NULL);
7276 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7277 { // front-end-free part taken out of PieceMenuPopup
7278 int whichMenu; int xSqr, ySqr;
7280 if(seekGraphUp) { // [HGM] seekgraph
7281 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7282 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7286 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7287 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7288 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7289 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7290 if(action == Press) {
7291 originalFlip = flipView;
7292 flipView = !flipView; // temporarily flip board to see game from partners perspective
7293 DrawPosition(TRUE, partnerBoard);
7294 DisplayMessage(partnerStatus, "");
7296 } else if(action == Release) {
7297 flipView = originalFlip;
7298 DrawPosition(TRUE, boards[currentMove]);
7304 xSqr = EventToSquare(x, BOARD_WIDTH);
7305 ySqr = EventToSquare(y, BOARD_HEIGHT);
7306 if (action == Release) {
7307 if(pieceSweep != EmptySquare) {
7308 EditPositionMenuEvent(pieceSweep, toX, toY);
7309 pieceSweep = EmptySquare;
7310 } else UnLoadPV(); // [HGM] pv
7312 if (action != Press) return -2; // return code to be ignored
7315 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7317 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7318 if (xSqr < 0 || ySqr < 0) return -1;
7319 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7320 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7321 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7322 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7326 if(!appData.icsEngineAnalyze) return -1;
7327 case IcsPlayingWhite:
7328 case IcsPlayingBlack:
7329 if(!appData.zippyPlay) goto noZip;
7332 case MachinePlaysWhite:
7333 case MachinePlaysBlack:
7334 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7335 if (!appData.dropMenu) {
7337 return 2; // flag front-end to grab mouse events
7339 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7340 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7343 if (xSqr < 0 || ySqr < 0) return -1;
7344 if (!appData.dropMenu || appData.testLegality &&
7345 gameInfo.variant != VariantBughouse &&
7346 gameInfo.variant != VariantCrazyhouse) return -1;
7347 whichMenu = 1; // drop menu
7353 if (((*fromX = xSqr) < 0) ||
7354 ((*fromY = ySqr) < 0)) {
7355 *fromX = *fromY = -1;
7359 *fromX = BOARD_WIDTH - 1 - *fromX;
7361 *fromY = BOARD_HEIGHT - 1 - *fromY;
7367 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7369 // char * hint = lastHint;
7370 FrontEndProgramStats stats;
7372 stats.which = cps == &first ? 0 : 1;
7373 stats.depth = cpstats->depth;
7374 stats.nodes = cpstats->nodes;
7375 stats.score = cpstats->score;
7376 stats.time = cpstats->time;
7377 stats.pv = cpstats->movelist;
7378 stats.hint = lastHint;
7379 stats.an_move_index = 0;
7380 stats.an_move_count = 0;
7382 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7383 stats.hint = cpstats->move_name;
7384 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7385 stats.an_move_count = cpstats->nr_moves;
7388 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
7390 SetProgramStats( &stats );
7394 ClearEngineOutputPane (int which)
7396 static FrontEndProgramStats dummyStats;
7397 dummyStats.which = which;
7398 dummyStats.pv = "#";
7399 SetProgramStats( &dummyStats );
7402 #define MAXPLAYERS 500
7405 TourneyStandings (int display)
7407 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7408 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7409 char result, *p, *names[MAXPLAYERS];
7411 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7412 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7413 names[0] = p = strdup(appData.participants);
7414 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7416 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7418 while(result = appData.results[nr]) {
7419 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7420 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7421 wScore = bScore = 0;
7423 case '+': wScore = 2; break;
7424 case '-': bScore = 2; break;
7425 case '=': wScore = bScore = 1; break;
7427 case '*': return strdup("busy"); // tourney not finished
7435 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7436 for(w=0; w<nPlayers; w++) {
7438 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7439 ranking[w] = b; points[w] = bScore; score[b] = -2;
7441 p = malloc(nPlayers*34+1);
7442 for(w=0; w<nPlayers && w<display; w++)
7443 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7449 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7450 { // count all piece types
7452 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7453 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7454 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7457 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7458 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7459 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7460 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7461 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7462 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7467 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7469 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7470 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7472 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7473 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7474 if(myPawns == 2 && nMine == 3) // KPP
7475 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7476 if(myPawns == 1 && nMine == 2) // KP
7477 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7478 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7479 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7480 if(myPawns) return FALSE;
7481 if(pCnt[WhiteRook+side])
7482 return pCnt[BlackRook-side] ||
7483 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7484 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7485 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7486 if(pCnt[WhiteCannon+side]) {
7487 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7488 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7490 if(pCnt[WhiteKnight+side])
7491 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7496 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7498 VariantClass v = gameInfo.variant;
7500 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7501 if(v == VariantShatranj) return TRUE; // always winnable through baring
7502 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7503 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7505 if(v == VariantXiangqi) {
7506 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7508 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7509 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7510 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7511 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7512 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7513 if(stale) // we have at least one last-rank P plus perhaps C
7514 return majors // KPKX
7515 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7517 return pCnt[WhiteFerz+side] // KCAK
7518 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7519 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7520 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7522 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7523 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7525 if(nMine == 1) return FALSE; // bare King
7526 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
7527 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7528 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7529 // by now we have King + 1 piece (or multiple Bishops on the same color)
7530 if(pCnt[WhiteKnight+side])
7531 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7532 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7533 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7535 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7536 if(pCnt[WhiteAlfil+side])
7537 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7538 if(pCnt[WhiteWazir+side])
7539 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7546 CompareWithRights (Board b1, Board b2)
7549 if(!CompareBoards(b1, b2)) return FALSE;
7550 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7551 /* compare castling rights */
7552 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7553 rights++; /* King lost rights, while rook still had them */
7554 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7555 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7556 rights++; /* but at least one rook lost them */
7558 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7560 if( b1[CASTLING][5] != NoRights ) {
7561 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7568 Adjudicate (ChessProgramState *cps)
7569 { // [HGM] some adjudications useful with buggy engines
7570 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7571 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7572 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7573 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7574 int k, count = 0; static int bare = 1;
7575 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7576 Boolean canAdjudicate = !appData.icsActive;
7578 // most tests only when we understand the game, i.e. legality-checking on
7579 if( appData.testLegality )
7580 { /* [HGM] Some more adjudications for obstinate engines */
7581 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7582 static int moveCount = 6;
7584 char *reason = NULL;
7586 /* Count what is on board. */
7587 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7589 /* Some material-based adjudications that have to be made before stalemate test */
7590 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7591 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7592 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7593 if(canAdjudicate && appData.checkMates) {
7595 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7596 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7597 "Xboard adjudication: King destroyed", GE_XBOARD );
7602 /* Bare King in Shatranj (loses) or Losers (wins) */
7603 if( nrW == 1 || nrB == 1) {
7604 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7605 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7606 if(canAdjudicate && appData.checkMates) {
7608 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7609 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7610 "Xboard adjudication: Bare king", GE_XBOARD );
7614 if( gameInfo.variant == VariantShatranj && --bare < 0)
7616 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7617 if(canAdjudicate && appData.checkMates) {
7618 /* but only adjudicate if adjudication enabled */
7620 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7621 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7622 "Xboard adjudication: Bare king", GE_XBOARD );
7629 // don't wait for engine to announce game end if we can judge ourselves
7630 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7632 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7633 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7634 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7635 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7638 reason = "Xboard adjudication: 3rd check";
7639 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7649 reason = "Xboard adjudication: Stalemate";
7650 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7651 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7652 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7653 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7654 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7655 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7656 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7657 EP_CHECKMATE : EP_WINS);
7658 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7659 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7663 reason = "Xboard adjudication: Checkmate";
7664 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7668 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7670 result = GameIsDrawn; break;
7672 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7674 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7678 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7680 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7681 GameEnds( result, reason, GE_XBOARD );
7685 /* Next absolutely insufficient mating material. */
7686 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7687 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7688 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7690 /* always flag draws, for judging claims */
7691 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7693 if(canAdjudicate && appData.materialDraws) {
7694 /* but only adjudicate them if adjudication enabled */
7695 if(engineOpponent) {
7696 SendToProgram("force\n", engineOpponent); // suppress reply
7697 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7699 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7704 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7705 if(gameInfo.variant == VariantXiangqi ?
7706 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7708 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7709 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7710 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7711 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7713 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7714 { /* if the first 3 moves do not show a tactical win, declare draw */
7715 if(engineOpponent) {
7716 SendToProgram("force\n", engineOpponent); // suppress reply
7717 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7719 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7722 } else moveCount = 6;
7725 // Repetition draws and 50-move rule can be applied independently of legality testing
7727 /* Check for rep-draws */
7729 for(k = forwardMostMove-2;
7730 k>=backwardMostMove && k>=forwardMostMove-100 &&
7731 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7732 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7735 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7736 /* compare castling rights */
7737 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7738 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7739 rights++; /* King lost rights, while rook still had them */
7740 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7741 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7742 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7743 rights++; /* but at least one rook lost them */
7745 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7746 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7748 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7749 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7750 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7753 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7754 && appData.drawRepeats > 1) {
7755 /* adjudicate after user-specified nr of repeats */
7756 int result = GameIsDrawn;
7757 char *details = "XBoard adjudication: repetition draw";
7758 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7759 // [HGM] xiangqi: check for forbidden perpetuals
7760 int m, ourPerpetual = 1, hisPerpetual = 1;
7761 for(m=forwardMostMove; m>k; m-=2) {
7762 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7763 ourPerpetual = 0; // the current mover did not always check
7764 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7765 hisPerpetual = 0; // the opponent did not always check
7767 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7768 ourPerpetual, hisPerpetual);
7769 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7770 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7771 details = "Xboard adjudication: perpetual checking";
7773 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7774 break; // (or we would have caught him before). Abort repetition-checking loop.
7776 // Now check for perpetual chases
7777 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7778 hisPerpetual = PerpetualChase(k, forwardMostMove);
7779 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7780 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7781 static char resdet[MSG_SIZ];
7782 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7784 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7786 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7787 break; // Abort repetition-checking loop.
7789 // if neither of us is checking or chasing all the time, or both are, it is draw
7791 if(engineOpponent) {
7792 SendToProgram("force\n", engineOpponent); // suppress reply
7793 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7795 GameEnds( result, details, GE_XBOARD );
7798 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7799 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7803 /* Now we test for 50-move draws. Determine ply count */
7804 count = forwardMostMove;
7805 /* look for last irreversble move */
7806 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7808 /* if we hit starting position, add initial plies */
7809 if( count == backwardMostMove )
7810 count -= initialRulePlies;
7811 count = forwardMostMove - count;
7812 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7813 // adjust reversible move counter for checks in Xiangqi
7814 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7815 if(i < backwardMostMove) i = backwardMostMove;
7816 while(i <= forwardMostMove) {
7817 lastCheck = inCheck; // check evasion does not count
7818 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7819 if(inCheck || lastCheck) count--; // check does not count
7824 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7825 /* this is used to judge if draw claims are legal */
7826 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7827 if(engineOpponent) {
7828 SendToProgram("force\n", engineOpponent); // suppress reply
7829 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7831 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7835 /* if draw offer is pending, treat it as a draw claim
7836 * when draw condition present, to allow engines a way to
7837 * claim draws before making their move to avoid a race
7838 * condition occurring after their move
7840 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7842 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7843 p = "Draw claim: 50-move rule";
7844 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7845 p = "Draw claim: 3-fold repetition";
7846 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7847 p = "Draw claim: insufficient mating material";
7848 if( p != NULL && canAdjudicate) {
7849 if(engineOpponent) {
7850 SendToProgram("force\n", engineOpponent); // suppress reply
7851 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7853 GameEnds( GameIsDrawn, p, GE_XBOARD );
7858 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7859 if(engineOpponent) {
7860 SendToProgram("force\n", engineOpponent); // suppress reply
7861 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7863 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7870 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7871 { // [HGM] book: this routine intercepts moves to simulate book replies
7872 char *bookHit = NULL;
7874 //first determine if the incoming move brings opponent into his book
7875 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7876 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7877 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7878 if(bookHit != NULL && !cps->bookSuspend) {
7879 // make sure opponent is not going to reply after receiving move to book position
7880 SendToProgram("force\n", cps);
7881 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7883 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7884 // now arrange restart after book miss
7886 // after a book hit we never send 'go', and the code after the call to this routine
7887 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7888 char buf[MSG_SIZ], *move = bookHit;
7890 int fromX, fromY, toX, toY;
7894 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7895 &fromX, &fromY, &toX, &toY, &promoChar)) {
7896 (void) CoordsToAlgebraic(boards[forwardMostMove],
7897 PosFlags(forwardMostMove),
7898 fromY, fromX, toY, toX, promoChar, move);
7900 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7904 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7905 SendToProgram(buf, cps);
7906 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7907 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7908 SendToProgram("go\n", cps);
7909 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7910 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7911 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7912 SendToProgram("go\n", cps);
7913 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7915 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7919 ChessProgramState *savedState;
7921 DeferredBookMove (void)
7923 if(savedState->lastPing != savedState->lastPong)
7924 ScheduleDelayedEvent(DeferredBookMove, 10);
7926 HandleMachineMove(savedMessage, savedState);
7929 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7932 HandleMachineMove (char *message, ChessProgramState *cps)
7934 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7935 char realname[MSG_SIZ];
7936 int fromX, fromY, toX, toY;
7943 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7944 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7945 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7946 DisplayError(_("Invalid pairing from pairing engine"), 0);
7949 pairingReceived = 1;
7951 return; // Skim the pairing messages here.
7956 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7958 * Kludge to ignore BEL characters
7960 while (*message == '\007') message++;
7963 * [HGM] engine debug message: ignore lines starting with '#' character
7965 if(cps->debug && *message == '#') return;
7968 * Look for book output
7970 if (cps == &first && bookRequested) {
7971 if (message[0] == '\t' || message[0] == ' ') {
7972 /* Part of the book output is here; append it */
7973 strcat(bookOutput, message);
7974 strcat(bookOutput, " \n");
7976 } else if (bookOutput[0] != NULLCHAR) {
7977 /* All of book output has arrived; display it */
7978 char *p = bookOutput;
7979 while (*p != NULLCHAR) {
7980 if (*p == '\t') *p = ' ';
7983 DisplayInformation(bookOutput);
7984 bookRequested = FALSE;
7985 /* Fall through to parse the current output */
7990 * Look for machine move.
7992 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7993 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7995 /* This method is only useful on engines that support ping */
7996 if (cps->lastPing != cps->lastPong) {
7997 if (gameMode == BeginningOfGame) {
7998 /* Extra move from before last new; ignore */
7999 if (appData.debugMode) {
8000 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8003 if (appData.debugMode) {
8004 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8005 cps->which, gameMode);
8008 SendToProgram("undo\n", cps);
8014 case BeginningOfGame:
8015 /* Extra move from before last reset; ignore */
8016 if (appData.debugMode) {
8017 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8024 /* Extra move after we tried to stop. The mode test is
8025 not a reliable way of detecting this problem, but it's
8026 the best we can do on engines that don't support ping.
8028 if (appData.debugMode) {
8029 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8030 cps->which, gameMode);
8032 SendToProgram("undo\n", cps);
8035 case MachinePlaysWhite:
8036 case IcsPlayingWhite:
8037 machineWhite = TRUE;
8040 case MachinePlaysBlack:
8041 case IcsPlayingBlack:
8042 machineWhite = FALSE;
8045 case TwoMachinesPlay:
8046 machineWhite = (cps->twoMachinesColor[0] == 'w');
8049 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8050 if (appData.debugMode) {
8052 "Ignoring move out of turn by %s, gameMode %d"
8053 ", forwardMost %d\n",
8054 cps->which, gameMode, forwardMostMove);
8059 if(cps->alphaRank) AlphaRank(machineMove, 4);
8060 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8061 &fromX, &fromY, &toX, &toY, &promoChar)) {
8062 /* Machine move could not be parsed; ignore it. */
8063 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8064 machineMove, _(cps->which));
8065 DisplayError(buf1, 0);
8066 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8067 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8068 if (gameMode == TwoMachinesPlay) {
8069 GameEnds(machineWhite ? BlackWins : WhiteWins,
8075 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8076 /* So we have to redo legality test with true e.p. status here, */
8077 /* to make sure an illegal e.p. capture does not slip through, */
8078 /* to cause a forfeit on a justified illegal-move complaint */
8079 /* of the opponent. */
8080 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8082 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8083 fromY, fromX, toY, toX, promoChar);
8084 if(moveType == IllegalMove) {
8085 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8086 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8087 GameEnds(machineWhite ? BlackWins : WhiteWins,
8090 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8091 /* [HGM] Kludge to handle engines that send FRC-style castling
8092 when they shouldn't (like TSCP-Gothic) */
8094 case WhiteASideCastleFR:
8095 case BlackASideCastleFR:
8097 currentMoveString[2]++;
8099 case WhiteHSideCastleFR:
8100 case BlackHSideCastleFR:
8102 currentMoveString[2]--;
8104 default: ; // nothing to do, but suppresses warning of pedantic compilers
8107 hintRequested = FALSE;
8108 lastHint[0] = NULLCHAR;
8109 bookRequested = FALSE;
8110 /* Program may be pondering now */
8111 cps->maybeThinking = TRUE;
8112 if (cps->sendTime == 2) cps->sendTime = 1;
8113 if (cps->offeredDraw) cps->offeredDraw--;
8115 /* [AS] Save move info*/
8116 pvInfoList[ forwardMostMove ].score = programStats.score;
8117 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8118 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8120 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8122 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8123 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8126 while( count < adjudicateLossPlies ) {
8127 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8130 score = -score; /* Flip score for winning side */
8133 if( score > adjudicateLossThreshold ) {
8140 if( count >= adjudicateLossPlies ) {
8141 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8143 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8144 "Xboard adjudication",
8151 if(Adjudicate(cps)) {
8152 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8153 return; // [HGM] adjudicate: for all automatic game ends
8157 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8159 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8160 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8162 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8164 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8166 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8167 char buf[3*MSG_SIZ];
8169 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8170 programStats.score / 100.,
8172 programStats.time / 100.,
8173 (unsigned int)programStats.nodes,
8174 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8175 programStats.movelist);
8177 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8182 /* [AS] Clear stats for next move */
8183 ClearProgramStats();
8184 thinkOutput[0] = NULLCHAR;
8185 hiddenThinkOutputState = 0;
8188 if (gameMode == TwoMachinesPlay) {
8189 /* [HGM] relaying draw offers moved to after reception of move */
8190 /* and interpreting offer as claim if it brings draw condition */
8191 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8192 SendToProgram("draw\n", cps->other);
8194 if (cps->other->sendTime) {
8195 SendTimeRemaining(cps->other,
8196 cps->other->twoMachinesColor[0] == 'w');
8198 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8199 if (firstMove && !bookHit) {
8201 if (cps->other->useColors) {
8202 SendToProgram(cps->other->twoMachinesColor, cps->other);
8204 SendToProgram("go\n", cps->other);
8206 cps->other->maybeThinking = TRUE;
8209 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8211 if (!pausing && appData.ringBellAfterMoves) {
8216 * Reenable menu items that were disabled while
8217 * machine was thinking
8219 if (gameMode != TwoMachinesPlay)
8220 SetUserThinkingEnables();
8222 // [HGM] book: after book hit opponent has received move and is now in force mode
8223 // force the book reply into it, and then fake that it outputted this move by jumping
8224 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8226 static char bookMove[MSG_SIZ]; // a bit generous?
8228 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8229 strcat(bookMove, bookHit);
8232 programStats.nodes = programStats.depth = programStats.time =
8233 programStats.score = programStats.got_only_move = 0;
8234 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8236 if(cps->lastPing != cps->lastPong) {
8237 savedMessage = message; // args for deferred call
8239 ScheduleDelayedEvent(DeferredBookMove, 10);
8248 /* Set special modes for chess engines. Later something general
8249 * could be added here; for now there is just one kludge feature,
8250 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8251 * when "xboard" is given as an interactive command.
8253 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8254 cps->useSigint = FALSE;
8255 cps->useSigterm = FALSE;
8257 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8258 ParseFeatures(message+8, cps);
8259 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8262 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8263 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8264 int dummy, s=6; char buf[MSG_SIZ];
8265 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8266 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8267 if(startedFromSetupPosition) return;
8268 ParseFEN(boards[0], &dummy, message+s);
8269 DrawPosition(TRUE, boards[0]);
8270 startedFromSetupPosition = TRUE;
8273 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8274 * want this, I was asked to put it in, and obliged.
8276 if (!strncmp(message, "setboard ", 9)) {
8277 Board initial_position;
8279 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8281 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8282 DisplayError(_("Bad FEN received from engine"), 0);
8286 CopyBoard(boards[0], initial_position);
8287 initialRulePlies = FENrulePlies;
8288 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8289 else gameMode = MachinePlaysBlack;
8290 DrawPosition(FALSE, boards[currentMove]);
8296 * Look for communication commands
8298 if (!strncmp(message, "telluser ", 9)) {
8299 if(message[9] == '\\' && message[10] == '\\')
8300 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8302 DisplayNote(message + 9);
8305 if (!strncmp(message, "tellusererror ", 14)) {
8307 if(message[14] == '\\' && message[15] == '\\')
8308 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8310 DisplayError(message + 14, 0);
8313 if (!strncmp(message, "tellopponent ", 13)) {
8314 if (appData.icsActive) {
8316 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8320 DisplayNote(message + 13);
8324 if (!strncmp(message, "tellothers ", 11)) {
8325 if (appData.icsActive) {
8327 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8333 if (!strncmp(message, "tellall ", 8)) {
8334 if (appData.icsActive) {
8336 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8340 DisplayNote(message + 8);
8344 if (strncmp(message, "warning", 7) == 0) {
8345 /* Undocumented feature, use tellusererror in new code */
8346 DisplayError(message, 0);
8349 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8350 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8351 strcat(realname, " query");
8352 AskQuestion(realname, buf2, buf1, cps->pr);
8355 /* Commands from the engine directly to ICS. We don't allow these to be
8356 * sent until we are logged on. Crafty kibitzes have been known to
8357 * interfere with the login process.
8360 if (!strncmp(message, "tellics ", 8)) {
8361 SendToICS(message + 8);
8365 if (!strncmp(message, "tellicsnoalias ", 15)) {
8366 SendToICS(ics_prefix);
8367 SendToICS(message + 15);
8371 /* The following are for backward compatibility only */
8372 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8373 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8374 SendToICS(ics_prefix);
8380 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8384 * If the move is illegal, cancel it and redraw the board.
8385 * Also deal with other error cases. Matching is rather loose
8386 * here to accommodate engines written before the spec.
8388 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8389 strncmp(message, "Error", 5) == 0) {
8390 if (StrStr(message, "name") ||
8391 StrStr(message, "rating") || StrStr(message, "?") ||
8392 StrStr(message, "result") || StrStr(message, "board") ||
8393 StrStr(message, "bk") || StrStr(message, "computer") ||
8394 StrStr(message, "variant") || StrStr(message, "hint") ||
8395 StrStr(message, "random") || StrStr(message, "depth") ||
8396 StrStr(message, "accepted")) {
8399 if (StrStr(message, "protover")) {
8400 /* Program is responding to input, so it's apparently done
8401 initializing, and this error message indicates it is
8402 protocol version 1. So we don't need to wait any longer
8403 for it to initialize and send feature commands. */
8404 FeatureDone(cps, 1);
8405 cps->protocolVersion = 1;
8408 cps->maybeThinking = FALSE;
8410 if (StrStr(message, "draw")) {
8411 /* Program doesn't have "draw" command */
8412 cps->sendDrawOffers = 0;
8415 if (cps->sendTime != 1 &&
8416 (StrStr(message, "time") || StrStr(message, "otim"))) {
8417 /* Program apparently doesn't have "time" or "otim" command */
8421 if (StrStr(message, "analyze")) {
8422 cps->analysisSupport = FALSE;
8423 cps->analyzing = FALSE;
8424 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8425 EditGameEvent(); // [HGM] try to preserve loaded game
8426 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8427 DisplayError(buf2, 0);
8430 if (StrStr(message, "(no matching move)st")) {
8431 /* Special kludge for GNU Chess 4 only */
8432 cps->stKludge = TRUE;
8433 SendTimeControl(cps, movesPerSession, timeControl,
8434 timeIncrement, appData.searchDepth,
8438 if (StrStr(message, "(no matching move)sd")) {
8439 /* Special kludge for GNU Chess 4 only */
8440 cps->sdKludge = TRUE;
8441 SendTimeControl(cps, movesPerSession, timeControl,
8442 timeIncrement, appData.searchDepth,
8446 if (!StrStr(message, "llegal")) {
8449 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8450 gameMode == IcsIdle) return;
8451 if (forwardMostMove <= backwardMostMove) return;
8452 if (pausing) PauseEvent();
8453 if(appData.forceIllegal) {
8454 // [HGM] illegal: machine refused move; force position after move into it
8455 SendToProgram("force\n", cps);
8456 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8457 // we have a real problem now, as SendBoard will use the a2a3 kludge
8458 // when black is to move, while there might be nothing on a2 or black
8459 // might already have the move. So send the board as if white has the move.
8460 // But first we must change the stm of the engine, as it refused the last move
8461 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8462 if(WhiteOnMove(forwardMostMove)) {
8463 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8464 SendBoard(cps, forwardMostMove); // kludgeless board
8466 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8467 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8468 SendBoard(cps, forwardMostMove+1); // kludgeless board
8470 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8471 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8472 gameMode == TwoMachinesPlay)
8473 SendToProgram("go\n", cps);
8476 if (gameMode == PlayFromGameFile) {
8477 /* Stop reading this game file */
8478 gameMode = EditGame;
8481 /* [HGM] illegal-move claim should forfeit game when Xboard */
8482 /* only passes fully legal moves */
8483 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8484 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8485 "False illegal-move claim", GE_XBOARD );
8486 return; // do not take back move we tested as valid
8488 currentMove = forwardMostMove-1;
8489 DisplayMove(currentMove-1); /* before DisplayMoveError */
8490 SwitchClocks(forwardMostMove-1); // [HGM] race
8491 DisplayBothClocks();
8492 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8493 parseList[currentMove], _(cps->which));
8494 DisplayMoveError(buf1);
8495 DrawPosition(FALSE, boards[currentMove]);
8497 SetUserThinkingEnables();
8500 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8501 /* Program has a broken "time" command that
8502 outputs a string not ending in newline.
8508 * If chess program startup fails, exit with an error message.
8509 * Attempts to recover here are futile. [HGM] Well, we try anyway
8511 if ((StrStr(message, "unknown host") != NULL)
8512 || (StrStr(message, "No remote directory") != NULL)
8513 || (StrStr(message, "not found") != NULL)
8514 || (StrStr(message, "No such file") != NULL)
8515 || (StrStr(message, "can't alloc") != NULL)
8516 || (StrStr(message, "Permission denied") != NULL)) {
8518 cps->maybeThinking = FALSE;
8519 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8520 _(cps->which), cps->program, cps->host, message);
8521 RemoveInputSource(cps->isr);
8522 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8524 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8527 appData.noChessProgram = TRUE;
8528 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8529 gameMode = BeginningOfGame; ModeHighlight();
8532 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8533 DisplayMessage("", ""); // erase waiting message
8534 DisplayError(buf1, 0);
8540 * Look for hint output
8542 if (sscanf(message, "Hint: %s", buf1) == 1) {
8543 if (cps == &first && hintRequested) {
8544 hintRequested = FALSE;
8545 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8546 &fromX, &fromY, &toX, &toY, &promoChar)) {
8547 (void) CoordsToAlgebraic(boards[forwardMostMove],
8548 PosFlags(forwardMostMove),
8549 fromY, fromX, toY, toX, promoChar, buf1);
8550 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8551 DisplayInformation(buf2);
8553 /* Hint move could not be parsed!? */
8554 snprintf(buf2, sizeof(buf2),
8555 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8556 buf1, _(cps->which));
8557 DisplayError(buf2, 0);
8560 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8566 * Ignore other messages if game is not in progress
8568 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8569 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8572 * look for win, lose, draw, or draw offer
8574 if (strncmp(message, "1-0", 3) == 0) {
8575 char *p, *q, *r = "";
8576 p = strchr(message, '{');
8584 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8586 } else if (strncmp(message, "0-1", 3) == 0) {
8587 char *p, *q, *r = "";
8588 p = strchr(message, '{');
8596 /* Kludge for Arasan 4.1 bug */
8597 if (strcmp(r, "Black resigns") == 0) {
8598 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8601 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8603 } else if (strncmp(message, "1/2", 3) == 0) {
8604 char *p, *q, *r = "";
8605 p = strchr(message, '{');
8614 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8617 } else if (strncmp(message, "White resign", 12) == 0) {
8618 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8620 } else if (strncmp(message, "Black resign", 12) == 0) {
8621 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8623 } else if (strncmp(message, "White matches", 13) == 0 ||
8624 strncmp(message, "Black matches", 13) == 0 ) {
8625 /* [HGM] ignore GNUShogi noises */
8627 } else if (strncmp(message, "White", 5) == 0 &&
8628 message[5] != '(' &&
8629 StrStr(message, "Black") == NULL) {
8630 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8632 } else if (strncmp(message, "Black", 5) == 0 &&
8633 message[5] != '(') {
8634 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8636 } else if (strcmp(message, "resign") == 0 ||
8637 strcmp(message, "computer resigns") == 0) {
8639 case MachinePlaysBlack:
8640 case IcsPlayingBlack:
8641 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8643 case MachinePlaysWhite:
8644 case IcsPlayingWhite:
8645 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8647 case TwoMachinesPlay:
8648 if (cps->twoMachinesColor[0] == 'w')
8649 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8651 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8658 } else if (strncmp(message, "opponent mates", 14) == 0) {
8660 case MachinePlaysBlack:
8661 case IcsPlayingBlack:
8662 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8664 case MachinePlaysWhite:
8665 case IcsPlayingWhite:
8666 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8668 case TwoMachinesPlay:
8669 if (cps->twoMachinesColor[0] == 'w')
8670 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8672 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8679 } else if (strncmp(message, "computer mates", 14) == 0) {
8681 case MachinePlaysBlack:
8682 case IcsPlayingBlack:
8683 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8685 case MachinePlaysWhite:
8686 case IcsPlayingWhite:
8687 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8689 case TwoMachinesPlay:
8690 if (cps->twoMachinesColor[0] == 'w')
8691 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8693 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8700 } else if (strncmp(message, "checkmate", 9) == 0) {
8701 if (WhiteOnMove(forwardMostMove)) {
8702 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8704 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8707 } else if (strstr(message, "Draw") != NULL ||
8708 strstr(message, "game is a draw") != NULL) {
8709 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8711 } else if (strstr(message, "offer") != NULL &&
8712 strstr(message, "draw") != NULL) {
8714 if (appData.zippyPlay && first.initDone) {
8715 /* Relay offer to ICS */
8716 SendToICS(ics_prefix);
8717 SendToICS("draw\n");
8720 cps->offeredDraw = 2; /* valid until this engine moves twice */
8721 if (gameMode == TwoMachinesPlay) {
8722 if (cps->other->offeredDraw) {
8723 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8724 /* [HGM] in two-machine mode we delay relaying draw offer */
8725 /* until after we also have move, to see if it is really claim */
8727 } else if (gameMode == MachinePlaysWhite ||
8728 gameMode == MachinePlaysBlack) {
8729 if (userOfferedDraw) {
8730 DisplayInformation(_("Machine accepts your draw offer"));
8731 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8733 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8740 * Look for thinking output
8742 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8743 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8745 int plylev, mvleft, mvtot, curscore, time;
8746 char mvname[MOVE_LEN];
8750 int prefixHint = FALSE;
8751 mvname[0] = NULLCHAR;
8754 case MachinePlaysBlack:
8755 case IcsPlayingBlack:
8756 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8758 case MachinePlaysWhite:
8759 case IcsPlayingWhite:
8760 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8765 case IcsObserving: /* [DM] icsEngineAnalyze */
8766 if (!appData.icsEngineAnalyze) ignore = TRUE;
8768 case TwoMachinesPlay:
8769 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8779 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8781 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8782 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8784 if (plyext != ' ' && plyext != '\t') {
8788 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8789 if( cps->scoreIsAbsolute &&
8790 ( gameMode == MachinePlaysBlack ||
8791 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8792 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8793 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8794 !WhiteOnMove(currentMove)
8797 curscore = -curscore;
8800 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8802 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8805 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8806 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8807 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8808 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8809 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8810 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8812 } else DisplayError(_("failed writing PV"), 0);
8815 tempStats.depth = plylev;
8816 tempStats.nodes = nodes;
8817 tempStats.time = time;
8818 tempStats.score = curscore;
8819 tempStats.got_only_move = 0;
8821 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8824 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8825 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8826 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8827 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8828 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8829 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8830 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8831 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8834 /* Buffer overflow protection */
8835 if (pv[0] != NULLCHAR) {
8836 if (strlen(pv) >= sizeof(tempStats.movelist)
8837 && appData.debugMode) {
8839 "PV is too long; using the first %u bytes.\n",
8840 (unsigned) sizeof(tempStats.movelist) - 1);
8843 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8845 sprintf(tempStats.movelist, " no PV\n");
8848 if (tempStats.seen_stat) {
8849 tempStats.ok_to_send = 1;
8852 if (strchr(tempStats.movelist, '(') != NULL) {
8853 tempStats.line_is_book = 1;
8854 tempStats.nr_moves = 0;
8855 tempStats.moves_left = 0;
8857 tempStats.line_is_book = 0;
8860 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8861 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8863 SendProgramStatsToFrontend( cps, &tempStats );
8866 [AS] Protect the thinkOutput buffer from overflow... this
8867 is only useful if buf1 hasn't overflowed first!
8869 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8871 (gameMode == TwoMachinesPlay ?
8872 ToUpper(cps->twoMachinesColor[0]) : ' '),
8873 ((double) curscore) / 100.0,
8874 prefixHint ? lastHint : "",
8875 prefixHint ? " " : "" );
8877 if( buf1[0] != NULLCHAR ) {
8878 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8880 if( strlen(pv) > max_len ) {
8881 if( appData.debugMode) {
8882 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8884 pv[max_len+1] = '\0';
8887 strcat( thinkOutput, pv);
8890 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8891 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8892 DisplayMove(currentMove - 1);
8896 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8897 /* crafty (9.25+) says "(only move) <move>"
8898 * if there is only 1 legal move
8900 sscanf(p, "(only move) %s", buf1);
8901 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8902 sprintf(programStats.movelist, "%s (only move)", buf1);
8903 programStats.depth = 1;
8904 programStats.nr_moves = 1;
8905 programStats.moves_left = 1;
8906 programStats.nodes = 1;
8907 programStats.time = 1;
8908 programStats.got_only_move = 1;
8910 /* Not really, but we also use this member to
8911 mean "line isn't going to change" (Crafty
8912 isn't searching, so stats won't change) */
8913 programStats.line_is_book = 1;
8915 SendProgramStatsToFrontend( cps, &programStats );
8917 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8918 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8919 DisplayMove(currentMove - 1);
8922 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8923 &time, &nodes, &plylev, &mvleft,
8924 &mvtot, mvname) >= 5) {
8925 /* The stat01: line is from Crafty (9.29+) in response
8926 to the "." command */
8927 programStats.seen_stat = 1;
8928 cps->maybeThinking = TRUE;
8930 if (programStats.got_only_move || !appData.periodicUpdates)
8933 programStats.depth = plylev;
8934 programStats.time = time;
8935 programStats.nodes = nodes;
8936 programStats.moves_left = mvleft;
8937 programStats.nr_moves = mvtot;
8938 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8939 programStats.ok_to_send = 1;
8940 programStats.movelist[0] = '\0';
8942 SendProgramStatsToFrontend( cps, &programStats );
8946 } else if (strncmp(message,"++",2) == 0) {
8947 /* Crafty 9.29+ outputs this */
8948 programStats.got_fail = 2;
8951 } else if (strncmp(message,"--",2) == 0) {
8952 /* Crafty 9.29+ outputs this */
8953 programStats.got_fail = 1;
8956 } else if (thinkOutput[0] != NULLCHAR &&
8957 strncmp(message, " ", 4) == 0) {
8958 unsigned message_len;
8961 while (*p && *p == ' ') p++;
8963 message_len = strlen( p );
8965 /* [AS] Avoid buffer overflow */
8966 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8967 strcat(thinkOutput, " ");
8968 strcat(thinkOutput, p);
8971 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8972 strcat(programStats.movelist, " ");
8973 strcat(programStats.movelist, p);
8976 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8977 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8978 DisplayMove(currentMove - 1);
8986 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8987 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8989 ChessProgramStats cpstats;
8991 if (plyext != ' ' && plyext != '\t') {
8995 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8996 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8997 curscore = -curscore;
9000 cpstats.depth = plylev;
9001 cpstats.nodes = nodes;
9002 cpstats.time = time;
9003 cpstats.score = curscore;
9004 cpstats.got_only_move = 0;
9005 cpstats.movelist[0] = '\0';
9007 if (buf1[0] != NULLCHAR) {
9008 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9011 cpstats.ok_to_send = 0;
9012 cpstats.line_is_book = 0;
9013 cpstats.nr_moves = 0;
9014 cpstats.moves_left = 0;
9016 SendProgramStatsToFrontend( cps, &cpstats );
9023 /* Parse a game score from the character string "game", and
9024 record it as the history of the current game. The game
9025 score is NOT assumed to start from the standard position.
9026 The display is not updated in any way.
9029 ParseGameHistory (char *game)
9032 int fromX, fromY, toX, toY, boardIndex;
9037 if (appData.debugMode)
9038 fprintf(debugFP, "Parsing game history: %s\n", game);
9040 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9041 gameInfo.site = StrSave(appData.icsHost);
9042 gameInfo.date = PGNDate();
9043 gameInfo.round = StrSave("-");
9045 /* Parse out names of players */
9046 while (*game == ' ') game++;
9048 while (*game != ' ') *p++ = *game++;
9050 gameInfo.white = StrSave(buf);
9051 while (*game == ' ') game++;
9053 while (*game != ' ' && *game != '\n') *p++ = *game++;
9055 gameInfo.black = StrSave(buf);
9058 boardIndex = blackPlaysFirst ? 1 : 0;
9061 yyboardindex = boardIndex;
9062 moveType = (ChessMove) Myylex();
9064 case IllegalMove: /* maybe suicide chess, etc. */
9065 if (appData.debugMode) {
9066 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9067 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9068 setbuf(debugFP, NULL);
9070 case WhitePromotion:
9071 case BlackPromotion:
9072 case WhiteNonPromotion:
9073 case BlackNonPromotion:
9075 case WhiteCapturesEnPassant:
9076 case BlackCapturesEnPassant:
9077 case WhiteKingSideCastle:
9078 case WhiteQueenSideCastle:
9079 case BlackKingSideCastle:
9080 case BlackQueenSideCastle:
9081 case WhiteKingSideCastleWild:
9082 case WhiteQueenSideCastleWild:
9083 case BlackKingSideCastleWild:
9084 case BlackQueenSideCastleWild:
9086 case WhiteHSideCastleFR:
9087 case WhiteASideCastleFR:
9088 case BlackHSideCastleFR:
9089 case BlackASideCastleFR:
9091 fromX = currentMoveString[0] - AAA;
9092 fromY = currentMoveString[1] - ONE;
9093 toX = currentMoveString[2] - AAA;
9094 toY = currentMoveString[3] - ONE;
9095 promoChar = currentMoveString[4];
9099 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9100 fromX = moveType == WhiteDrop ?
9101 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9102 (int) CharToPiece(ToLower(currentMoveString[0]));
9104 toX = currentMoveString[2] - AAA;
9105 toY = currentMoveString[3] - ONE;
9106 promoChar = NULLCHAR;
9110 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9111 if (appData.debugMode) {
9112 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9113 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9114 setbuf(debugFP, NULL);
9116 DisplayError(buf, 0);
9118 case ImpossibleMove:
9120 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9121 if (appData.debugMode) {
9122 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9123 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9124 setbuf(debugFP, NULL);
9126 DisplayError(buf, 0);
9129 if (boardIndex < backwardMostMove) {
9130 /* Oops, gap. How did that happen? */
9131 DisplayError(_("Gap in move list"), 0);
9134 backwardMostMove = blackPlaysFirst ? 1 : 0;
9135 if (boardIndex > forwardMostMove) {
9136 forwardMostMove = boardIndex;
9140 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9141 strcat(parseList[boardIndex-1], " ");
9142 strcat(parseList[boardIndex-1], yy_text);
9154 case GameUnfinished:
9155 if (gameMode == IcsExamining) {
9156 if (boardIndex < backwardMostMove) {
9157 /* Oops, gap. How did that happen? */
9160 backwardMostMove = blackPlaysFirst ? 1 : 0;
9163 gameInfo.result = moveType;
9164 p = strchr(yy_text, '{');
9165 if (p == NULL) p = strchr(yy_text, '(');
9168 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9170 q = strchr(p, *p == '{' ? '}' : ')');
9171 if (q != NULL) *q = NULLCHAR;
9174 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9175 gameInfo.resultDetails = StrSave(p);
9178 if (boardIndex >= forwardMostMove &&
9179 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9180 backwardMostMove = blackPlaysFirst ? 1 : 0;
9183 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9184 fromY, fromX, toY, toX, promoChar,
9185 parseList[boardIndex]);
9186 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9187 /* currentMoveString is set as a side-effect of yylex */
9188 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9189 strcat(moveList[boardIndex], "\n");
9191 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9192 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9198 if(gameInfo.variant != VariantShogi)
9199 strcat(parseList[boardIndex - 1], "+");
9203 strcat(parseList[boardIndex - 1], "#");
9210 /* Apply a move to the given board */
9212 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9214 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9215 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9217 /* [HGM] compute & store e.p. status and castling rights for new position */
9218 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9220 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9221 oldEP = (signed char)board[EP_STATUS];
9222 board[EP_STATUS] = EP_NONE;
9224 if (fromY == DROP_RANK) {
9226 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9227 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9230 piece = board[toY][toX] = (ChessSquare) fromX;
9234 if( board[toY][toX] != EmptySquare )
9235 board[EP_STATUS] = EP_CAPTURE;
9237 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9238 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9239 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9241 if( board[fromY][fromX] == WhitePawn ) {
9242 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9243 board[EP_STATUS] = EP_PAWN_MOVE;
9245 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9246 gameInfo.variant != VariantBerolina || toX < fromX)
9247 board[EP_STATUS] = toX | berolina;
9248 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9249 gameInfo.variant != VariantBerolina || toX > fromX)
9250 board[EP_STATUS] = toX;
9253 if( board[fromY][fromX] == BlackPawn ) {
9254 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9255 board[EP_STATUS] = EP_PAWN_MOVE;
9256 if( toY-fromY== -2) {
9257 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9258 gameInfo.variant != VariantBerolina || toX < fromX)
9259 board[EP_STATUS] = toX | berolina;
9260 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9261 gameInfo.variant != VariantBerolina || toX > fromX)
9262 board[EP_STATUS] = toX;
9266 for(i=0; i<nrCastlingRights; i++) {
9267 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9268 board[CASTLING][i] == toX && castlingRank[i] == toY
9269 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9272 if (fromX == toX && fromY == toY) return;
9274 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9275 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9276 if(gameInfo.variant == VariantKnightmate)
9277 king += (int) WhiteUnicorn - (int) WhiteKing;
9279 /* Code added by Tord: */
9280 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9281 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9282 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9283 board[fromY][fromX] = EmptySquare;
9284 board[toY][toX] = EmptySquare;
9285 if((toX > fromX) != (piece == WhiteRook)) {
9286 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9288 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9290 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9291 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9292 board[fromY][fromX] = EmptySquare;
9293 board[toY][toX] = EmptySquare;
9294 if((toX > fromX) != (piece == BlackRook)) {
9295 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9297 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9299 /* End of code added by Tord */
9301 } else if (board[fromY][fromX] == king
9302 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9303 && toY == fromY && toX > fromX+1) {
9304 board[fromY][fromX] = EmptySquare;
9305 board[toY][toX] = king;
9306 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9307 board[fromY][BOARD_RGHT-1] = EmptySquare;
9308 } else if (board[fromY][fromX] == king
9309 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9310 && toY == fromY && toX < fromX-1) {
9311 board[fromY][fromX] = EmptySquare;
9312 board[toY][toX] = king;
9313 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9314 board[fromY][BOARD_LEFT] = EmptySquare;
9315 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9316 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9317 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9319 /* white pawn promotion */
9320 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9321 if(gameInfo.variant==VariantBughouse ||
9322 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9323 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9324 board[fromY][fromX] = EmptySquare;
9325 } else if ((fromY >= BOARD_HEIGHT>>1)
9327 && gameInfo.variant != VariantXiangqi
9328 && gameInfo.variant != VariantBerolina
9329 && (board[fromY][fromX] == WhitePawn)
9330 && (board[toY][toX] == EmptySquare)) {
9331 board[fromY][fromX] = EmptySquare;
9332 board[toY][toX] = WhitePawn;
9333 captured = board[toY - 1][toX];
9334 board[toY - 1][toX] = EmptySquare;
9335 } else if ((fromY == BOARD_HEIGHT-4)
9337 && gameInfo.variant == VariantBerolina
9338 && (board[fromY][fromX] == WhitePawn)
9339 && (board[toY][toX] == EmptySquare)) {
9340 board[fromY][fromX] = EmptySquare;
9341 board[toY][toX] = WhitePawn;
9342 if(oldEP & EP_BEROLIN_A) {
9343 captured = board[fromY][fromX-1];
9344 board[fromY][fromX-1] = EmptySquare;
9345 }else{ captured = board[fromY][fromX+1];
9346 board[fromY][fromX+1] = EmptySquare;
9348 } else if (board[fromY][fromX] == king
9349 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9350 && toY == fromY && toX > fromX+1) {
9351 board[fromY][fromX] = EmptySquare;
9352 board[toY][toX] = king;
9353 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9354 board[fromY][BOARD_RGHT-1] = EmptySquare;
9355 } else if (board[fromY][fromX] == king
9356 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9357 && toY == fromY && toX < fromX-1) {
9358 board[fromY][fromX] = EmptySquare;
9359 board[toY][toX] = king;
9360 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9361 board[fromY][BOARD_LEFT] = EmptySquare;
9362 } else if (fromY == 7 && fromX == 3
9363 && board[fromY][fromX] == BlackKing
9364 && toY == 7 && toX == 5) {
9365 board[fromY][fromX] = EmptySquare;
9366 board[toY][toX] = BlackKing;
9367 board[fromY][7] = EmptySquare;
9368 board[toY][4] = BlackRook;
9369 } else if (fromY == 7 && fromX == 3
9370 && board[fromY][fromX] == BlackKing
9371 && toY == 7 && toX == 1) {
9372 board[fromY][fromX] = EmptySquare;
9373 board[toY][toX] = BlackKing;
9374 board[fromY][0] = EmptySquare;
9375 board[toY][2] = BlackRook;
9376 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9377 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9378 && toY < promoRank && promoChar
9380 /* black pawn promotion */
9381 board[toY][toX] = CharToPiece(ToLower(promoChar));
9382 if(gameInfo.variant==VariantBughouse ||
9383 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9384 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9385 board[fromY][fromX] = EmptySquare;
9386 } else if ((fromY < BOARD_HEIGHT>>1)
9388 && gameInfo.variant != VariantXiangqi
9389 && gameInfo.variant != VariantBerolina
9390 && (board[fromY][fromX] == BlackPawn)
9391 && (board[toY][toX] == EmptySquare)) {
9392 board[fromY][fromX] = EmptySquare;
9393 board[toY][toX] = BlackPawn;
9394 captured = board[toY + 1][toX];
9395 board[toY + 1][toX] = EmptySquare;
9396 } else if ((fromY == 3)
9398 && gameInfo.variant == VariantBerolina
9399 && (board[fromY][fromX] == BlackPawn)
9400 && (board[toY][toX] == EmptySquare)) {
9401 board[fromY][fromX] = EmptySquare;
9402 board[toY][toX] = BlackPawn;
9403 if(oldEP & EP_BEROLIN_A) {
9404 captured = board[fromY][fromX-1];
9405 board[fromY][fromX-1] = EmptySquare;
9406 }else{ captured = board[fromY][fromX+1];
9407 board[fromY][fromX+1] = EmptySquare;
9410 board[toY][toX] = board[fromY][fromX];
9411 board[fromY][fromX] = EmptySquare;
9415 if (gameInfo.holdingsWidth != 0) {
9417 /* !!A lot more code needs to be written to support holdings */
9418 /* [HGM] OK, so I have written it. Holdings are stored in the */
9419 /* penultimate board files, so they are automaticlly stored */
9420 /* in the game history. */
9421 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9422 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9423 /* Delete from holdings, by decreasing count */
9424 /* and erasing image if necessary */
9425 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9426 if(p < (int) BlackPawn) { /* white drop */
9427 p -= (int)WhitePawn;
9428 p = PieceToNumber((ChessSquare)p);
9429 if(p >= gameInfo.holdingsSize) p = 0;
9430 if(--board[p][BOARD_WIDTH-2] <= 0)
9431 board[p][BOARD_WIDTH-1] = EmptySquare;
9432 if((int)board[p][BOARD_WIDTH-2] < 0)
9433 board[p][BOARD_WIDTH-2] = 0;
9434 } else { /* black drop */
9435 p -= (int)BlackPawn;
9436 p = PieceToNumber((ChessSquare)p);
9437 if(p >= gameInfo.holdingsSize) p = 0;
9438 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9439 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9440 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9441 board[BOARD_HEIGHT-1-p][1] = 0;
9444 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9445 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9446 /* [HGM] holdings: Add to holdings, if holdings exist */
9447 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9448 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9449 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9452 if (p >= (int) BlackPawn) {
9453 p -= (int)BlackPawn;
9454 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9455 /* in Shogi restore piece to its original first */
9456 captured = (ChessSquare) (DEMOTED captured);
9459 p = PieceToNumber((ChessSquare)p);
9460 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9461 board[p][BOARD_WIDTH-2]++;
9462 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9464 p -= (int)WhitePawn;
9465 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9466 captured = (ChessSquare) (DEMOTED captured);
9469 p = PieceToNumber((ChessSquare)p);
9470 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9471 board[BOARD_HEIGHT-1-p][1]++;
9472 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9475 } else if (gameInfo.variant == VariantAtomic) {
9476 if (captured != EmptySquare) {
9478 for (y = toY-1; y <= toY+1; y++) {
9479 for (x = toX-1; x <= toX+1; x++) {
9480 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9481 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9482 board[y][x] = EmptySquare;
9486 board[toY][toX] = EmptySquare;
9489 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9490 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9492 if(promoChar == '+') {
9493 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9494 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9495 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9496 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9497 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9498 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9499 board[toY][toX] = newPiece;
9501 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9502 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9503 // [HGM] superchess: take promotion piece out of holdings
9504 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9505 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9506 if(!--board[k][BOARD_WIDTH-2])
9507 board[k][BOARD_WIDTH-1] = EmptySquare;
9509 if(!--board[BOARD_HEIGHT-1-k][1])
9510 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9516 /* Updates forwardMostMove */
9518 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9520 // forwardMostMove++; // [HGM] bare: moved downstream
9522 (void) CoordsToAlgebraic(boards[forwardMostMove],
9523 PosFlags(forwardMostMove),
9524 fromY, fromX, toY, toX, promoChar,
9525 parseList[forwardMostMove]);
9527 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9528 int timeLeft; static int lastLoadFlag=0; int king, piece;
9529 piece = boards[forwardMostMove][fromY][fromX];
9530 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9531 if(gameInfo.variant == VariantKnightmate)
9532 king += (int) WhiteUnicorn - (int) WhiteKing;
9533 if(forwardMostMove == 0) {
9534 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9535 fprintf(serverMoves, "%s;", UserName());
9536 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9537 fprintf(serverMoves, "%s;", second.tidy);
9538 fprintf(serverMoves, "%s;", first.tidy);
9539 if(gameMode == MachinePlaysWhite)
9540 fprintf(serverMoves, "%s;", UserName());
9541 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9542 fprintf(serverMoves, "%s;", second.tidy);
9543 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9544 lastLoadFlag = loadFlag;
9546 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9547 // print castling suffix
9548 if( toY == fromY && piece == king ) {
9550 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9552 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9555 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9556 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9557 boards[forwardMostMove][toY][toX] == EmptySquare
9558 && fromX != toX && fromY != toY)
9559 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9561 if(promoChar != NULLCHAR)
9562 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9564 char buf[MOVE_LEN*2], *p; int len;
9565 fprintf(serverMoves, "/%d/%d",
9566 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9567 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9568 else timeLeft = blackTimeRemaining/1000;
9569 fprintf(serverMoves, "/%d", timeLeft);
9570 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9571 if(p = strchr(buf, '=')) *p = NULLCHAR;
9572 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9573 fprintf(serverMoves, "/%s", buf);
9575 fflush(serverMoves);
9578 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9579 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9582 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9583 if (commentList[forwardMostMove+1] != NULL) {
9584 free(commentList[forwardMostMove+1]);
9585 commentList[forwardMostMove+1] = NULL;
9587 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9588 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9589 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9590 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9591 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9592 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9593 adjustedClock = FALSE;
9594 gameInfo.result = GameUnfinished;
9595 if (gameInfo.resultDetails != NULL) {
9596 free(gameInfo.resultDetails);
9597 gameInfo.resultDetails = NULL;
9599 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9600 moveList[forwardMostMove - 1]);
9601 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9607 if(gameInfo.variant != VariantShogi)
9608 strcat(parseList[forwardMostMove - 1], "+");
9612 strcat(parseList[forwardMostMove - 1], "#");
9618 /* Updates currentMove if not pausing */
9620 ShowMove (int fromX, int fromY, int toX, int toY)
9622 int instant = (gameMode == PlayFromGameFile) ?
9623 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9624 if(appData.noGUI) return;
9625 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9627 if (forwardMostMove == currentMove + 1) {
9628 AnimateMove(boards[forwardMostMove - 1],
9629 fromX, fromY, toX, toY);
9631 if (appData.highlightLastMove) {
9632 SetHighlights(fromX, fromY, toX, toY);
9635 currentMove = forwardMostMove;
9638 if (instant) return;
9640 DisplayMove(currentMove - 1);
9641 DrawPosition(FALSE, boards[currentMove]);
9642 DisplayBothClocks();
9643 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9647 SendEgtPath (ChessProgramState *cps)
9648 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9649 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9651 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9654 char c, *q = name+1, *r, *s;
9656 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9657 while(*p && *p != ',') *q++ = *p++;
9659 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9660 strcmp(name, ",nalimov:") == 0 ) {
9661 // take nalimov path from the menu-changeable option first, if it is defined
9662 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9663 SendToProgram(buf,cps); // send egtbpath command for nalimov
9665 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9666 (s = StrStr(appData.egtFormats, name)) != NULL) {
9667 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9668 s = r = StrStr(s, ":") + 1; // beginning of path info
9669 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9670 c = *r; *r = 0; // temporarily null-terminate path info
9671 *--q = 0; // strip of trailig ':' from name
9672 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9674 SendToProgram(buf,cps); // send egtbpath command for this format
9676 if(*p == ',') p++; // read away comma to position for next format name
9681 InitChessProgram (ChessProgramState *cps, int setup)
9682 /* setup needed to setup FRC opening position */
9684 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9685 if (appData.noChessProgram) return;
9686 hintRequested = FALSE;
9687 bookRequested = FALSE;
9689 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9690 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9691 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9692 if(cps->memSize) { /* [HGM] memory */
9693 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9694 SendToProgram(buf, cps);
9696 SendEgtPath(cps); /* [HGM] EGT */
9697 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9698 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9699 SendToProgram(buf, cps);
9702 SendToProgram(cps->initString, cps);
9703 if (gameInfo.variant != VariantNormal &&
9704 gameInfo.variant != VariantLoadable
9705 /* [HGM] also send variant if board size non-standard */
9706 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9708 char *v = VariantName(gameInfo.variant);
9709 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9710 /* [HGM] in protocol 1 we have to assume all variants valid */
9711 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9712 DisplayFatalError(buf, 0, 1);
9716 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9717 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9718 if( gameInfo.variant == VariantXiangqi )
9719 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9720 if( gameInfo.variant == VariantShogi )
9721 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9722 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9723 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9724 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9725 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9726 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9727 if( gameInfo.variant == VariantCourier )
9728 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9729 if( gameInfo.variant == VariantSuper )
9730 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9731 if( gameInfo.variant == VariantGreat )
9732 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9733 if( gameInfo.variant == VariantSChess )
9734 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9735 if( gameInfo.variant == VariantGrand )
9736 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9739 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9740 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9741 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9742 if(StrStr(cps->variants, b) == NULL) {
9743 // specific sized variant not known, check if general sizing allowed
9744 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9745 if(StrStr(cps->variants, "boardsize") == NULL) {
9746 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9747 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9748 DisplayFatalError(buf, 0, 1);
9751 /* [HGM] here we really should compare with the maximum supported board size */
9754 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9755 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9756 SendToProgram(buf, cps);
9758 currentlyInitializedVariant = gameInfo.variant;
9760 /* [HGM] send opening position in FRC to first engine */
9762 SendToProgram("force\n", cps);
9764 /* engine is now in force mode! Set flag to wake it up after first move. */
9765 setboardSpoiledMachineBlack = 1;
9769 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9770 SendToProgram(buf, cps);
9772 cps->maybeThinking = FALSE;
9773 cps->offeredDraw = 0;
9774 if (!appData.icsActive) {
9775 SendTimeControl(cps, movesPerSession, timeControl,
9776 timeIncrement, appData.searchDepth,
9779 if (appData.showThinking
9780 // [HGM] thinking: four options require thinking output to be sent
9781 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9783 SendToProgram("post\n", cps);
9785 SendToProgram("hard\n", cps);
9786 if (!appData.ponderNextMove) {
9787 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9788 it without being sure what state we are in first. "hard"
9789 is not a toggle, so that one is OK.
9791 SendToProgram("easy\n", cps);
9794 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9795 SendToProgram(buf, cps);
9797 cps->initDone = TRUE;
9798 ClearEngineOutputPane(cps == &second);
9803 StartChessProgram (ChessProgramState *cps)
9808 if (appData.noChessProgram) return;
9809 cps->initDone = FALSE;
9811 if (strcmp(cps->host, "localhost") == 0) {
9812 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9813 } else if (*appData.remoteShell == NULLCHAR) {
9814 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9816 if (*appData.remoteUser == NULLCHAR) {
9817 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9820 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9821 cps->host, appData.remoteUser, cps->program);
9823 err = StartChildProcess(buf, "", &cps->pr);
9827 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9828 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9829 if(cps != &first) return;
9830 appData.noChessProgram = TRUE;
9833 // DisplayFatalError(buf, err, 1);
9834 // cps->pr = NoProc;
9839 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9840 if (cps->protocolVersion > 1) {
9841 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9842 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9843 cps->comboCnt = 0; // and values of combo boxes
9844 SendToProgram(buf, cps);
9846 SendToProgram("xboard\n", cps);
9851 TwoMachinesEventIfReady P((void))
9853 static int curMess = 0;
9854 if (first.lastPing != first.lastPong) {
9855 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9856 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9859 if (second.lastPing != second.lastPong) {
9860 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9861 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9864 DisplayMessage("", ""); curMess = 0;
9870 MakeName (char *template)
9874 static char buf[MSG_SIZ];
9878 clock = time((time_t *)NULL);
9879 tm = localtime(&clock);
9881 while(*p++ = *template++) if(p[-1] == '%') {
9882 switch(*template++) {
9883 case 0: *p = 0; return buf;
9884 case 'Y': i = tm->tm_year+1900; break;
9885 case 'y': i = tm->tm_year-100; break;
9886 case 'M': i = tm->tm_mon+1; break;
9887 case 'd': i = tm->tm_mday; break;
9888 case 'h': i = tm->tm_hour; break;
9889 case 'm': i = tm->tm_min; break;
9890 case 's': i = tm->tm_sec; break;
9893 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9899 CountPlayers (char *p)
9902 while(p = strchr(p, '\n')) p++, n++; // count participants
9907 WriteTourneyFile (char *results, FILE *f)
9908 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9909 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9910 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9911 // create a file with tournament description
9912 fprintf(f, "-participants {%s}\n", appData.participants);
9913 fprintf(f, "-seedBase %d\n", appData.seedBase);
9914 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9915 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9916 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9917 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9918 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9919 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9920 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9921 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9922 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9923 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9924 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9925 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9927 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9929 fprintf(f, "-mps %d\n", appData.movesPerSession);
9930 fprintf(f, "-tc %s\n", appData.timeControl);
9931 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9933 fprintf(f, "-results \"%s\"\n", results);
9938 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9941 Substitute (char *participants, int expunge)
9943 int i, changed, changes=0, nPlayers=0;
9944 char *p, *q, *r, buf[MSG_SIZ];
9945 if(participants == NULL) return;
9946 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9947 r = p = participants; q = appData.participants;
9948 while(*p && *p == *q) {
9949 if(*p == '\n') r = p+1, nPlayers++;
9952 if(*p) { // difference
9953 while(*p && *p++ != '\n');
9954 while(*q && *q++ != '\n');
9956 changes = 1 + (strcmp(p, q) != 0);
9958 if(changes == 1) { // a single engine mnemonic was changed
9959 q = r; while(*q) nPlayers += (*q++ == '\n');
9960 p = buf; while(*r && (*p = *r++) != '\n') p++;
9962 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9963 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9964 if(mnemonic[i]) { // The substitute is valid
9966 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9967 flock(fileno(f), LOCK_EX);
9968 ParseArgsFromFile(f);
9969 fseek(f, 0, SEEK_SET);
9970 FREE(appData.participants); appData.participants = participants;
9971 if(expunge) { // erase results of replaced engine
9972 int len = strlen(appData.results), w, b, dummy;
9973 for(i=0; i<len; i++) {
9974 Pairing(i, nPlayers, &w, &b, &dummy);
9975 if((w == changed || b == changed) && appData.results[i] == '*') {
9976 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9981 for(i=0; i<len; i++) {
9982 Pairing(i, nPlayers, &w, &b, &dummy);
9983 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9986 WriteTourneyFile(appData.results, f);
9987 fclose(f); // release lock
9990 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9992 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9993 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9999 CreateTourney (char *name)
10002 if(matchMode && strcmp(name, appData.tourneyFile)) {
10003 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10005 if(name[0] == NULLCHAR) {
10006 if(appData.participants[0])
10007 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10010 f = fopen(name, "r");
10011 if(f) { // file exists
10012 ASSIGN(appData.tourneyFile, name);
10013 ParseArgsFromFile(f); // parse it
10015 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10016 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10017 DisplayError(_("Not enough participants"), 0);
10020 ASSIGN(appData.tourneyFile, name);
10021 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10022 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10025 appData.noChessProgram = FALSE;
10026 appData.clockMode = TRUE;
10032 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10034 char buf[MSG_SIZ], *p, *q;
10035 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10036 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10037 skip = !all && group[0]; // if group requested, we start in skip mode
10038 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10039 p = names; q = buf; header = 0;
10040 while(*p && *p != '\n') *q++ = *p++;
10042 if(*p == '\n') p++;
10043 if(buf[0] == '#') {
10044 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10045 depth++; // we must be entering a new group
10046 if(all) continue; // suppress printing group headers when complete list requested
10048 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10050 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10051 if(engineList[i]) free(engineList[i]);
10052 engineList[i] = strdup(buf);
10053 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10054 if(engineMnemonic[i]) free(engineMnemonic[i]);
10055 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10057 sscanf(q + 8, "%s", buf + strlen(buf));
10060 engineMnemonic[i] = strdup(buf);
10063 engineList[i] = engineMnemonic[i] = NULL;
10067 // following implemented as macro to avoid type limitations
10068 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10071 SwapEngines (int n)
10072 { // swap settings for first engine and other engine (so far only some selected options)
10077 SWAP(chessProgram, p)
10079 SWAP(hasOwnBookUCI, h)
10080 SWAP(protocolVersion, h)
10082 SWAP(scoreIsAbsolute, h)
10087 SWAP(engOptions, p)
10088 SWAP(engInitString, p)
10089 SWAP(computerString, p)
10091 SWAP(fenOverride, p)
10093 SWAP(accumulateTC, h)
10098 SetPlayer (int player, char *p)
10099 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10101 char buf[MSG_SIZ], *engineName;
10102 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10103 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10104 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10106 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10107 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10108 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10109 ParseArgsFromString(buf);
10115 char *recentEngines;
10118 RecentEngineEvent (int nr)
10121 // SwapEngines(1); // bump first to second
10122 // ReplaceEngine(&second, 1); // and load it there
10123 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10124 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10125 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10126 ReplaceEngine(&first, 0);
10127 FloatToFront(&appData.recentEngineList, command[n]);
10132 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10133 { // determine players from game number
10134 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10136 if(appData.tourneyType == 0) {
10137 roundsPerCycle = (nPlayers - 1) | 1;
10138 pairingsPerRound = nPlayers / 2;
10139 } else if(appData.tourneyType > 0) {
10140 roundsPerCycle = nPlayers - appData.tourneyType;
10141 pairingsPerRound = appData.tourneyType;
10143 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10144 gamesPerCycle = gamesPerRound * roundsPerCycle;
10145 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10146 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10147 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10148 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10149 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10150 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10152 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10153 if(appData.roundSync) *syncInterval = gamesPerRound;
10155 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10157 if(appData.tourneyType == 0) {
10158 if(curPairing == (nPlayers-1)/2 ) {
10159 *whitePlayer = curRound;
10160 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10162 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10163 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10164 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10165 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10167 } else if(appData.tourneyType > 1) {
10168 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10169 *whitePlayer = curRound + appData.tourneyType;
10170 } else if(appData.tourneyType > 0) {
10171 *whitePlayer = curPairing;
10172 *blackPlayer = curRound + appData.tourneyType;
10175 // take care of white/black alternation per round.
10176 // For cycles and games this is already taken care of by default, derived from matchGame!
10177 return curRound & 1;
10181 NextTourneyGame (int nr, int *swapColors)
10182 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10184 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10186 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10187 tf = fopen(appData.tourneyFile, "r");
10188 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10189 ParseArgsFromFile(tf); fclose(tf);
10190 InitTimeControls(); // TC might be altered from tourney file
10192 nPlayers = CountPlayers(appData.participants); // count participants
10193 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10194 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10197 p = q = appData.results;
10198 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10199 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10200 DisplayMessage(_("Waiting for other game(s)"),"");
10201 waitingForGame = TRUE;
10202 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10205 waitingForGame = FALSE;
10208 if(appData.tourneyType < 0) {
10209 if(nr>=0 && !pairingReceived) {
10211 if(pairing.pr == NoProc) {
10212 if(!appData.pairingEngine[0]) {
10213 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10216 StartChessProgram(&pairing); // starts the pairing engine
10218 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10219 SendToProgram(buf, &pairing);
10220 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10221 SendToProgram(buf, &pairing);
10222 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10224 pairingReceived = 0; // ... so we continue here
10226 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10227 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10228 matchGame = 1; roundNr = nr / syncInterval + 1;
10231 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10233 // redefine engines, engine dir, etc.
10234 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10235 if(first.pr == NoProc) {
10236 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10237 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10239 if(second.pr == NoProc) {
10241 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10242 SwapEngines(1); // and make that valid for second engine by swapping
10243 InitEngine(&second, 1);
10245 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10246 UpdateLogos(FALSE); // leave display to ModeHiglight()
10252 { // performs game initialization that does not invoke engines, and then tries to start the game
10253 int res, firstWhite, swapColors = 0;
10254 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10255 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
10257 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10258 if(strcmp(buf, currentDebugFile)) { // name has changed
10259 FILE *f = fopen(buf, "w");
10260 if(f) { // if opening the new file failed, just keep using the old one
10261 ASSIGN(currentDebugFile, buf);
10265 if(appData.serverFileName) {
10266 if(serverFP) fclose(serverFP);
10267 serverFP = fopen(appData.serverFileName, "w");
10268 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10269 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10273 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10274 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10275 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10276 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10277 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10278 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10279 Reset(FALSE, first.pr != NoProc);
10280 res = LoadGameOrPosition(matchGame); // setup game
10281 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10282 if(!res) return; // abort when bad game/pos file
10283 TwoMachinesEvent();
10287 UserAdjudicationEvent (int result)
10289 ChessMove gameResult = GameIsDrawn;
10292 gameResult = WhiteWins;
10294 else if( result < 0 ) {
10295 gameResult = BlackWins;
10298 if( gameMode == TwoMachinesPlay ) {
10299 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10304 // [HGM] save: calculate checksum of game to make games easily identifiable
10306 StringCheckSum (char *s)
10309 if(s==NULL) return 0;
10310 while(*s) i = i*259 + *s++;
10318 for(i=backwardMostMove; i<forwardMostMove; i++) {
10319 sum += pvInfoList[i].depth;
10320 sum += StringCheckSum(parseList[i]);
10321 sum += StringCheckSum(commentList[i]);
10324 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10325 return sum + StringCheckSum(commentList[i]);
10326 } // end of save patch
10329 GameEnds (ChessMove result, char *resultDetails, int whosays)
10331 GameMode nextGameMode;
10333 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10335 if(endingGame) return; /* [HGM] crash: forbid recursion */
10337 if(twoBoards) { // [HGM] dual: switch back to one board
10338 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10339 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10341 if (appData.debugMode) {
10342 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10343 result, resultDetails ? resultDetails : "(null)", whosays);
10346 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10348 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10349 /* If we are playing on ICS, the server decides when the
10350 game is over, but the engine can offer to draw, claim
10354 if (appData.zippyPlay && first.initDone) {
10355 if (result == GameIsDrawn) {
10356 /* In case draw still needs to be claimed */
10357 SendToICS(ics_prefix);
10358 SendToICS("draw\n");
10359 } else if (StrCaseStr(resultDetails, "resign")) {
10360 SendToICS(ics_prefix);
10361 SendToICS("resign\n");
10365 endingGame = 0; /* [HGM] crash */
10369 /* If we're loading the game from a file, stop */
10370 if (whosays == GE_FILE) {
10371 (void) StopLoadGameTimer();
10375 /* Cancel draw offers */
10376 first.offeredDraw = second.offeredDraw = 0;
10378 /* If this is an ICS game, only ICS can really say it's done;
10379 if not, anyone can. */
10380 isIcsGame = (gameMode == IcsPlayingWhite ||
10381 gameMode == IcsPlayingBlack ||
10382 gameMode == IcsObserving ||
10383 gameMode == IcsExamining);
10385 if (!isIcsGame || whosays == GE_ICS) {
10386 /* OK -- not an ICS game, or ICS said it was done */
10388 if (!isIcsGame && !appData.noChessProgram)
10389 SetUserThinkingEnables();
10391 /* [HGM] if a machine claims the game end we verify this claim */
10392 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10393 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10395 ChessMove trueResult = (ChessMove) -1;
10397 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10398 first.twoMachinesColor[0] :
10399 second.twoMachinesColor[0] ;
10401 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10402 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10403 /* [HGM] verify: engine mate claims accepted if they were flagged */
10404 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10406 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10407 /* [HGM] verify: engine mate claims accepted if they were flagged */
10408 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10410 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10411 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10414 // now verify win claims, but not in drop games, as we don't understand those yet
10415 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10416 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10417 (result == WhiteWins && claimer == 'w' ||
10418 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10419 if (appData.debugMode) {
10420 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10421 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10423 if(result != trueResult) {
10424 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10425 result = claimer == 'w' ? BlackWins : WhiteWins;
10426 resultDetails = buf;
10429 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10430 && (forwardMostMove <= backwardMostMove ||
10431 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10432 (claimer=='b')==(forwardMostMove&1))
10434 /* [HGM] verify: draws that were not flagged are false claims */
10435 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10436 result = claimer == 'w' ? BlackWins : WhiteWins;
10437 resultDetails = buf;
10439 /* (Claiming a loss is accepted no questions asked!) */
10441 /* [HGM] bare: don't allow bare King to win */
10442 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10443 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10444 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10445 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10446 && result != GameIsDrawn)
10447 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10448 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10449 int p = (signed char)boards[forwardMostMove][i][j] - color;
10450 if(p >= 0 && p <= (int)WhiteKing) k++;
10452 if (appData.debugMode) {
10453 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10454 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10457 result = GameIsDrawn;
10458 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10459 resultDetails = buf;
10465 if(serverMoves != NULL && !loadFlag) { char c = '=';
10466 if(result==WhiteWins) c = '+';
10467 if(result==BlackWins) c = '-';
10468 if(resultDetails != NULL)
10469 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10471 if (resultDetails != NULL) {
10472 gameInfo.result = result;
10473 gameInfo.resultDetails = StrSave(resultDetails);
10475 /* display last move only if game was not loaded from file */
10476 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10477 DisplayMove(currentMove - 1);
10479 if (forwardMostMove != 0) {
10480 if (gameMode != PlayFromGameFile && gameMode != EditGame
10481 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10483 if (*appData.saveGameFile != NULLCHAR) {
10484 SaveGameToFile(appData.saveGameFile, TRUE);
10485 } else if (appData.autoSaveGames) {
10488 if (*appData.savePositionFile != NULLCHAR) {
10489 SavePositionToFile(appData.savePositionFile);
10494 /* Tell program how game ended in case it is learning */
10495 /* [HGM] Moved this to after saving the PGN, just in case */
10496 /* engine died and we got here through time loss. In that */
10497 /* case we will get a fatal error writing the pipe, which */
10498 /* would otherwise lose us the PGN. */
10499 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10500 /* output during GameEnds should never be fatal anymore */
10501 if (gameMode == MachinePlaysWhite ||
10502 gameMode == MachinePlaysBlack ||
10503 gameMode == TwoMachinesPlay ||
10504 gameMode == IcsPlayingWhite ||
10505 gameMode == IcsPlayingBlack ||
10506 gameMode == BeginningOfGame) {
10508 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10510 if (first.pr != NoProc) {
10511 SendToProgram(buf, &first);
10513 if (second.pr != NoProc &&
10514 gameMode == TwoMachinesPlay) {
10515 SendToProgram(buf, &second);
10520 if (appData.icsActive) {
10521 if (appData.quietPlay &&
10522 (gameMode == IcsPlayingWhite ||
10523 gameMode == IcsPlayingBlack)) {
10524 SendToICS(ics_prefix);
10525 SendToICS("set shout 1\n");
10527 nextGameMode = IcsIdle;
10528 ics_user_moved = FALSE;
10529 /* clean up premove. It's ugly when the game has ended and the
10530 * premove highlights are still on the board.
10533 gotPremove = FALSE;
10534 ClearPremoveHighlights();
10535 DrawPosition(FALSE, boards[currentMove]);
10537 if (whosays == GE_ICS) {
10540 if (gameMode == IcsPlayingWhite)
10542 else if(gameMode == IcsPlayingBlack)
10543 PlayIcsLossSound();
10546 if (gameMode == IcsPlayingBlack)
10548 else if(gameMode == IcsPlayingWhite)
10549 PlayIcsLossSound();
10552 PlayIcsDrawSound();
10555 PlayIcsUnfinishedSound();
10558 } else if (gameMode == EditGame ||
10559 gameMode == PlayFromGameFile ||
10560 gameMode == AnalyzeMode ||
10561 gameMode == AnalyzeFile) {
10562 nextGameMode = gameMode;
10564 nextGameMode = EndOfGame;
10569 nextGameMode = gameMode;
10572 if (appData.noChessProgram) {
10573 gameMode = nextGameMode;
10575 endingGame = 0; /* [HGM] crash */
10580 /* Put first chess program into idle state */
10581 if (first.pr != NoProc &&
10582 (gameMode == MachinePlaysWhite ||
10583 gameMode == MachinePlaysBlack ||
10584 gameMode == TwoMachinesPlay ||
10585 gameMode == IcsPlayingWhite ||
10586 gameMode == IcsPlayingBlack ||
10587 gameMode == BeginningOfGame)) {
10588 SendToProgram("force\n", &first);
10589 if (first.usePing) {
10591 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10592 SendToProgram(buf, &first);
10595 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10596 /* Kill off first chess program */
10597 if (first.isr != NULL)
10598 RemoveInputSource(first.isr);
10601 if (first.pr != NoProc) {
10603 DoSleep( appData.delayBeforeQuit );
10604 SendToProgram("quit\n", &first);
10605 DoSleep( appData.delayAfterQuit );
10606 DestroyChildProcess(first.pr, first.useSigterm);
10610 if (second.reuse) {
10611 /* Put second chess program into idle state */
10612 if (second.pr != NoProc &&
10613 gameMode == TwoMachinesPlay) {
10614 SendToProgram("force\n", &second);
10615 if (second.usePing) {
10617 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10618 SendToProgram(buf, &second);
10621 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10622 /* Kill off second chess program */
10623 if (second.isr != NULL)
10624 RemoveInputSource(second.isr);
10627 if (second.pr != NoProc) {
10628 DoSleep( appData.delayBeforeQuit );
10629 SendToProgram("quit\n", &second);
10630 DoSleep( appData.delayAfterQuit );
10631 DestroyChildProcess(second.pr, second.useSigterm);
10633 second.pr = NoProc;
10636 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10637 char resChar = '=';
10641 if (first.twoMachinesColor[0] == 'w') {
10644 second.matchWins++;
10649 if (first.twoMachinesColor[0] == 'b') {
10652 second.matchWins++;
10655 case GameUnfinished:
10661 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10662 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10663 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10664 ReserveGame(nextGame, resChar); // sets nextGame
10665 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10666 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10667 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10669 if (nextGame <= appData.matchGames && !abortMatch) {
10670 gameMode = nextGameMode;
10671 matchGame = nextGame; // this will be overruled in tourney mode!
10672 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10673 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10674 endingGame = 0; /* [HGM] crash */
10677 gameMode = nextGameMode;
10678 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10679 first.tidy, second.tidy,
10680 first.matchWins, second.matchWins,
10681 appData.matchGames - (first.matchWins + second.matchWins));
10682 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10683 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10684 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10685 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10686 first.twoMachinesColor = "black\n";
10687 second.twoMachinesColor = "white\n";
10689 first.twoMachinesColor = "white\n";
10690 second.twoMachinesColor = "black\n";
10694 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10695 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10697 gameMode = nextGameMode;
10699 endingGame = 0; /* [HGM] crash */
10700 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10701 if(matchMode == TRUE) { // match through command line: exit with or without popup
10703 ToNrEvent(forwardMostMove);
10704 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10706 } else DisplayFatalError(buf, 0, 0);
10707 } else { // match through menu; just stop, with or without popup
10708 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10711 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10712 } else DisplayNote(buf);
10714 if(ranking) free(ranking);
10718 /* Assumes program was just initialized (initString sent).
10719 Leaves program in force mode. */
10721 FeedMovesToProgram (ChessProgramState *cps, int upto)
10725 if (appData.debugMode)
10726 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10727 startedFromSetupPosition ? "position and " : "",
10728 backwardMostMove, upto, cps->which);
10729 if(currentlyInitializedVariant != gameInfo.variant) {
10731 // [HGM] variantswitch: make engine aware of new variant
10732 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10733 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10734 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10735 SendToProgram(buf, cps);
10736 currentlyInitializedVariant = gameInfo.variant;
10738 SendToProgram("force\n", cps);
10739 if (startedFromSetupPosition) {
10740 SendBoard(cps, backwardMostMove);
10741 if (appData.debugMode) {
10742 fprintf(debugFP, "feedMoves\n");
10745 for (i = backwardMostMove; i < upto; i++) {
10746 SendMoveToProgram(i, cps);
10752 ResurrectChessProgram ()
10754 /* The chess program may have exited.
10755 If so, restart it and feed it all the moves made so far. */
10756 static int doInit = 0;
10758 if (appData.noChessProgram) return 1;
10760 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10761 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10762 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10763 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10765 if (first.pr != NoProc) return 1;
10766 StartChessProgram(&first);
10768 InitChessProgram(&first, FALSE);
10769 FeedMovesToProgram(&first, currentMove);
10771 if (!first.sendTime) {
10772 /* can't tell gnuchess what its clock should read,
10773 so we bow to its notion. */
10775 timeRemaining[0][currentMove] = whiteTimeRemaining;
10776 timeRemaining[1][currentMove] = blackTimeRemaining;
10779 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10780 appData.icsEngineAnalyze) && first.analysisSupport) {
10781 SendToProgram("analyze\n", &first);
10782 first.analyzing = TRUE;
10788 * Button procedures
10791 Reset (int redraw, int init)
10795 if (appData.debugMode) {
10796 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10797 redraw, init, gameMode);
10799 CleanupTail(); // [HGM] vari: delete any stored variations
10800 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10801 pausing = pauseExamInvalid = FALSE;
10802 startedFromSetupPosition = blackPlaysFirst = FALSE;
10804 whiteFlag = blackFlag = FALSE;
10805 userOfferedDraw = FALSE;
10806 hintRequested = bookRequested = FALSE;
10807 first.maybeThinking = FALSE;
10808 second.maybeThinking = FALSE;
10809 first.bookSuspend = FALSE; // [HGM] book
10810 second.bookSuspend = FALSE;
10811 thinkOutput[0] = NULLCHAR;
10812 lastHint[0] = NULLCHAR;
10813 ClearGameInfo(&gameInfo);
10814 gameInfo.variant = StringToVariant(appData.variant);
10815 ics_user_moved = ics_clock_paused = FALSE;
10816 ics_getting_history = H_FALSE;
10818 white_holding[0] = black_holding[0] = NULLCHAR;
10819 ClearProgramStats();
10820 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10824 flipView = appData.flipView;
10825 ClearPremoveHighlights();
10826 gotPremove = FALSE;
10827 alarmSounded = FALSE;
10829 GameEnds(EndOfFile, NULL, GE_PLAYER);
10830 if(appData.serverMovesName != NULL) {
10831 /* [HGM] prepare to make moves file for broadcasting */
10832 clock_t t = clock();
10833 if(serverMoves != NULL) fclose(serverMoves);
10834 serverMoves = fopen(appData.serverMovesName, "r");
10835 if(serverMoves != NULL) {
10836 fclose(serverMoves);
10837 /* delay 15 sec before overwriting, so all clients can see end */
10838 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10840 serverMoves = fopen(appData.serverMovesName, "w");
10844 gameMode = BeginningOfGame;
10846 if(appData.icsActive) gameInfo.variant = VariantNormal;
10847 currentMove = forwardMostMove = backwardMostMove = 0;
10848 MarkTargetSquares(1);
10849 InitPosition(redraw);
10850 for (i = 0; i < MAX_MOVES; i++) {
10851 if (commentList[i] != NULL) {
10852 free(commentList[i]);
10853 commentList[i] = NULL;
10857 timeRemaining[0][0] = whiteTimeRemaining;
10858 timeRemaining[1][0] = blackTimeRemaining;
10860 if (first.pr == NoProc) {
10861 StartChessProgram(&first);
10864 InitChessProgram(&first, startedFromSetupPosition);
10867 DisplayMessage("", "");
10868 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10869 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10870 ClearMap(); // [HGM] exclude: invalidate map
10874 AutoPlayGameLoop ()
10877 if (!AutoPlayOneMove())
10879 if (matchMode || appData.timeDelay == 0)
10881 if (appData.timeDelay < 0)
10883 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10892 int fromX, fromY, toX, toY;
10894 if (appData.debugMode) {
10895 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10898 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10901 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10902 pvInfoList[currentMove].depth = programStats.depth;
10903 pvInfoList[currentMove].score = programStats.score;
10904 pvInfoList[currentMove].time = 0;
10905 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10908 if (currentMove >= forwardMostMove) {
10909 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10910 // gameMode = EndOfGame;
10911 // ModeHighlight();
10913 /* [AS] Clear current move marker at the end of a game */
10914 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10919 toX = moveList[currentMove][2] - AAA;
10920 toY = moveList[currentMove][3] - ONE;
10922 if (moveList[currentMove][1] == '@') {
10923 if (appData.highlightLastMove) {
10924 SetHighlights(-1, -1, toX, toY);
10927 fromX = moveList[currentMove][0] - AAA;
10928 fromY = moveList[currentMove][1] - ONE;
10930 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10932 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10934 if (appData.highlightLastMove) {
10935 SetHighlights(fromX, fromY, toX, toY);
10938 DisplayMove(currentMove);
10939 SendMoveToProgram(currentMove++, &first);
10940 DisplayBothClocks();
10941 DrawPosition(FALSE, boards[currentMove]);
10942 // [HGM] PV info: always display, routine tests if empty
10943 DisplayComment(currentMove - 1, commentList[currentMove]);
10949 LoadGameOneMove (ChessMove readAhead)
10951 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10952 char promoChar = NULLCHAR;
10953 ChessMove moveType;
10954 char move[MSG_SIZ];
10957 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10958 gameMode != AnalyzeMode && gameMode != Training) {
10963 yyboardindex = forwardMostMove;
10964 if (readAhead != EndOfFile) {
10965 moveType = readAhead;
10967 if (gameFileFP == NULL)
10969 moveType = (ChessMove) Myylex();
10973 switch (moveType) {
10975 if (appData.debugMode)
10976 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10979 /* append the comment but don't display it */
10980 AppendComment(currentMove, p, FALSE);
10983 case WhiteCapturesEnPassant:
10984 case BlackCapturesEnPassant:
10985 case WhitePromotion:
10986 case BlackPromotion:
10987 case WhiteNonPromotion:
10988 case BlackNonPromotion:
10990 case WhiteKingSideCastle:
10991 case WhiteQueenSideCastle:
10992 case BlackKingSideCastle:
10993 case BlackQueenSideCastle:
10994 case WhiteKingSideCastleWild:
10995 case WhiteQueenSideCastleWild:
10996 case BlackKingSideCastleWild:
10997 case BlackQueenSideCastleWild:
10999 case WhiteHSideCastleFR:
11000 case WhiteASideCastleFR:
11001 case BlackHSideCastleFR:
11002 case BlackASideCastleFR:
11004 if (appData.debugMode)
11005 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11006 fromX = currentMoveString[0] - AAA;
11007 fromY = currentMoveString[1] - ONE;
11008 toX = currentMoveString[2] - AAA;
11009 toY = currentMoveString[3] - ONE;
11010 promoChar = currentMoveString[4];
11015 if (appData.debugMode)
11016 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11017 fromX = moveType == WhiteDrop ?
11018 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11019 (int) CharToPiece(ToLower(currentMoveString[0]));
11021 toX = currentMoveString[2] - AAA;
11022 toY = currentMoveString[3] - ONE;
11028 case GameUnfinished:
11029 if (appData.debugMode)
11030 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11031 p = strchr(yy_text, '{');
11032 if (p == NULL) p = strchr(yy_text, '(');
11035 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11037 q = strchr(p, *p == '{' ? '}' : ')');
11038 if (q != NULL) *q = NULLCHAR;
11041 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11042 GameEnds(moveType, p, GE_FILE);
11044 if (cmailMsgLoaded) {
11046 flipView = WhiteOnMove(currentMove);
11047 if (moveType == GameUnfinished) flipView = !flipView;
11048 if (appData.debugMode)
11049 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11054 if (appData.debugMode)
11055 fprintf(debugFP, "Parser hit end of file\n");
11056 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11062 if (WhiteOnMove(currentMove)) {
11063 GameEnds(BlackWins, "Black mates", GE_FILE);
11065 GameEnds(WhiteWins, "White mates", GE_FILE);
11069 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11075 case MoveNumberOne:
11076 if (lastLoadGameStart == GNUChessGame) {
11077 /* GNUChessGames have numbers, but they aren't move numbers */
11078 if (appData.debugMode)
11079 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11080 yy_text, (int) moveType);
11081 return LoadGameOneMove(EndOfFile); /* tail recursion */
11083 /* else fall thru */
11088 /* Reached start of next game in file */
11089 if (appData.debugMode)
11090 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11091 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11097 if (WhiteOnMove(currentMove)) {
11098 GameEnds(BlackWins, "Black mates", GE_FILE);
11100 GameEnds(WhiteWins, "White mates", GE_FILE);
11104 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11110 case PositionDiagram: /* should not happen; ignore */
11111 case ElapsedTime: /* ignore */
11112 case NAG: /* ignore */
11113 if (appData.debugMode)
11114 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11115 yy_text, (int) moveType);
11116 return LoadGameOneMove(EndOfFile); /* tail recursion */
11119 if (appData.testLegality) {
11120 if (appData.debugMode)
11121 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11122 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11123 (forwardMostMove / 2) + 1,
11124 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11125 DisplayError(move, 0);
11128 if (appData.debugMode)
11129 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11130 yy_text, currentMoveString);
11131 fromX = currentMoveString[0] - AAA;
11132 fromY = currentMoveString[1] - ONE;
11133 toX = currentMoveString[2] - AAA;
11134 toY = currentMoveString[3] - ONE;
11135 promoChar = currentMoveString[4];
11139 case AmbiguousMove:
11140 if (appData.debugMode)
11141 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11142 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11143 (forwardMostMove / 2) + 1,
11144 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11145 DisplayError(move, 0);
11150 case ImpossibleMove:
11151 if (appData.debugMode)
11152 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11153 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11154 (forwardMostMove / 2) + 1,
11155 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11156 DisplayError(move, 0);
11162 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11163 DrawPosition(FALSE, boards[currentMove]);
11164 DisplayBothClocks();
11165 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11166 DisplayComment(currentMove - 1, commentList[currentMove]);
11168 (void) StopLoadGameTimer();
11170 cmailOldMove = forwardMostMove;
11173 /* currentMoveString is set as a side-effect of yylex */
11175 thinkOutput[0] = NULLCHAR;
11176 MakeMove(fromX, fromY, toX, toY, promoChar);
11177 currentMove = forwardMostMove;
11182 /* Load the nth game from the given file */
11184 LoadGameFromFile (char *filename, int n, char *title, int useList)
11189 if (strcmp(filename, "-") == 0) {
11193 f = fopen(filename, "rb");
11195 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11196 DisplayError(buf, errno);
11200 if (fseek(f, 0, 0) == -1) {
11201 /* f is not seekable; probably a pipe */
11204 if (useList && n == 0) {
11205 int error = GameListBuild(f);
11207 DisplayError(_("Cannot build game list"), error);
11208 } else if (!ListEmpty(&gameList) &&
11209 ((ListGame *) gameList.tailPred)->number > 1) {
11210 GameListPopUp(f, title);
11217 return LoadGame(f, n, title, FALSE);
11222 MakeRegisteredMove ()
11224 int fromX, fromY, toX, toY;
11226 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11227 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11230 if (appData.debugMode)
11231 fprintf(debugFP, "Restoring %s for game %d\n",
11232 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11234 thinkOutput[0] = NULLCHAR;
11235 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11236 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11237 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11238 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11239 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11240 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11241 MakeMove(fromX, fromY, toX, toY, promoChar);
11242 ShowMove(fromX, fromY, toX, toY);
11244 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11251 if (WhiteOnMove(currentMove)) {
11252 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11254 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11259 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11266 if (WhiteOnMove(currentMove)) {
11267 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11269 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11274 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11285 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11287 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11291 if (gameNumber > nCmailGames) {
11292 DisplayError(_("No more games in this message"), 0);
11295 if (f == lastLoadGameFP) {
11296 int offset = gameNumber - lastLoadGameNumber;
11298 cmailMsg[0] = NULLCHAR;
11299 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11300 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11301 nCmailMovesRegistered--;
11303 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11304 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11305 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11308 if (! RegisterMove()) return FALSE;
11312 retVal = LoadGame(f, gameNumber, title, useList);
11314 /* Make move registered during previous look at this game, if any */
11315 MakeRegisteredMove();
11317 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11318 commentList[currentMove]
11319 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11320 DisplayComment(currentMove - 1, commentList[currentMove]);
11326 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11328 ReloadGame (int offset)
11330 int gameNumber = lastLoadGameNumber + offset;
11331 if (lastLoadGameFP == NULL) {
11332 DisplayError(_("No game has been loaded yet"), 0);
11335 if (gameNumber <= 0) {
11336 DisplayError(_("Can't back up any further"), 0);
11339 if (cmailMsgLoaded) {
11340 return CmailLoadGame(lastLoadGameFP, gameNumber,
11341 lastLoadGameTitle, lastLoadGameUseList);
11343 return LoadGame(lastLoadGameFP, gameNumber,
11344 lastLoadGameTitle, lastLoadGameUseList);
11348 int keys[EmptySquare+1];
11351 PositionMatches (Board b1, Board b2)
11354 switch(appData.searchMode) {
11355 case 1: return CompareWithRights(b1, b2);
11357 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11358 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11362 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11363 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11364 sum += keys[b1[r][f]] - keys[b2[r][f]];
11368 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11369 sum += keys[b1[r][f]] - keys[b2[r][f]];
11381 int pieceList[256], quickBoard[256];
11382 ChessSquare pieceType[256] = { EmptySquare };
11383 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11384 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11385 int soughtTotal, turn;
11386 Boolean epOK, flipSearch;
11389 unsigned char piece, to;
11392 #define DSIZE (250000)
11394 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11395 Move *moveDatabase = initialSpace;
11396 unsigned int movePtr, dataSize = DSIZE;
11399 MakePieceList (Board board, int *counts)
11401 int r, f, n=Q_PROMO, total=0;
11402 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11403 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11404 int sq = f + (r<<4);
11405 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11406 quickBoard[sq] = ++n;
11408 pieceType[n] = board[r][f];
11409 counts[board[r][f]]++;
11410 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11411 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11415 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11420 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11422 int sq = fromX + (fromY<<4);
11423 int piece = quickBoard[sq];
11424 quickBoard[sq] = 0;
11425 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11426 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11427 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11428 moveDatabase[movePtr++].piece = Q_WCASTL;
11429 quickBoard[sq] = piece;
11430 piece = quickBoard[from]; quickBoard[from] = 0;
11431 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11433 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11434 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11435 moveDatabase[movePtr++].piece = Q_BCASTL;
11436 quickBoard[sq] = piece;
11437 piece = quickBoard[from]; quickBoard[from] = 0;
11438 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11440 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11441 quickBoard[(fromY<<4)+toX] = 0;
11442 moveDatabase[movePtr].piece = Q_EP;
11443 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11444 moveDatabase[movePtr].to = sq;
11446 if(promoPiece != pieceType[piece]) {
11447 moveDatabase[movePtr++].piece = Q_PROMO;
11448 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11450 moveDatabase[movePtr].piece = piece;
11451 quickBoard[sq] = piece;
11456 PackGame (Board board)
11458 Move *newSpace = NULL;
11459 moveDatabase[movePtr].piece = 0; // terminate previous game
11460 if(movePtr > dataSize) {
11461 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11462 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11463 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11466 Move *p = moveDatabase, *q = newSpace;
11467 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11468 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11469 moveDatabase = newSpace;
11470 } else { // calloc failed, we must be out of memory. Too bad...
11471 dataSize = 0; // prevent calloc events for all subsequent games
11472 return 0; // and signal this one isn't cached
11476 MakePieceList(board, counts);
11481 QuickCompare (Board board, int *minCounts, int *maxCounts)
11482 { // compare according to search mode
11484 switch(appData.searchMode)
11486 case 1: // exact position match
11487 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11488 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11489 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11492 case 2: // can have extra material on empty squares
11493 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11494 if(board[r][f] == EmptySquare) continue;
11495 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11498 case 3: // material with exact Pawn structure
11499 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11500 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11501 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11502 } // fall through to material comparison
11503 case 4: // exact material
11504 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11506 case 6: // material range with given imbalance
11507 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11508 // fall through to range comparison
11509 case 5: // material range
11510 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11516 QuickScan (Board board, Move *move)
11517 { // reconstruct game,and compare all positions in it
11518 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11520 int piece = move->piece;
11521 int to = move->to, from = pieceList[piece];
11522 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11523 if(!piece) return -1;
11524 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11525 piece = (++move)->piece;
11526 from = pieceList[piece];
11527 counts[pieceType[piece]]--;
11528 pieceType[piece] = (ChessSquare) move->to;
11529 counts[move->to]++;
11530 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11531 counts[pieceType[quickBoard[to]]]--;
11532 quickBoard[to] = 0; total--;
11535 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11536 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11537 from = pieceList[piece]; // so this must be King
11538 quickBoard[from] = 0;
11539 quickBoard[to] = piece;
11540 pieceList[piece] = to;
11545 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11546 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11547 quickBoard[from] = 0;
11548 quickBoard[to] = piece;
11549 pieceList[piece] = to;
11551 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11552 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11553 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11554 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11556 static int lastCounts[EmptySquare+1];
11558 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11559 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11560 } else stretch = 0;
11561 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11570 flipSearch = FALSE;
11571 CopyBoard(soughtBoard, boards[currentMove]);
11572 soughtTotal = MakePieceList(soughtBoard, maxSought);
11573 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11574 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11575 CopyBoard(reverseBoard, boards[currentMove]);
11576 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11577 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11578 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11579 reverseBoard[r][f] = piece;
11581 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11582 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11583 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11584 || (boards[currentMove][CASTLING][2] == NoRights ||
11585 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11586 && (boards[currentMove][CASTLING][5] == NoRights ||
11587 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11590 CopyBoard(flipBoard, soughtBoard);
11591 CopyBoard(rotateBoard, reverseBoard);
11592 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11593 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11594 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11597 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11598 if(appData.searchMode >= 5) {
11599 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11600 MakePieceList(soughtBoard, minSought);
11601 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11603 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11604 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11607 GameInfo dummyInfo;
11610 GameContainsPosition (FILE *f, ListGame *lg)
11612 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11613 int fromX, fromY, toX, toY;
11615 static int initDone=FALSE;
11617 // weed out games based on numerical tag comparison
11618 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11619 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11620 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11621 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11623 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11626 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11627 else CopyBoard(boards[scratch], initialPosition); // default start position
11630 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11631 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11634 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11635 fseek(f, lg->offset, 0);
11638 yyboardindex = scratch;
11639 quickFlag = plyNr+1;
11644 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11650 if(plyNr) return -1; // after we have seen moves, this is for new game
11653 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11654 case ImpossibleMove:
11655 case WhiteWins: // game ends here with these four
11658 case GameUnfinished:
11662 if(appData.testLegality) return -1;
11663 case WhiteCapturesEnPassant:
11664 case BlackCapturesEnPassant:
11665 case WhitePromotion:
11666 case BlackPromotion:
11667 case WhiteNonPromotion:
11668 case BlackNonPromotion:
11670 case WhiteKingSideCastle:
11671 case WhiteQueenSideCastle:
11672 case BlackKingSideCastle:
11673 case BlackQueenSideCastle:
11674 case WhiteKingSideCastleWild:
11675 case WhiteQueenSideCastleWild:
11676 case BlackKingSideCastleWild:
11677 case BlackQueenSideCastleWild:
11678 case WhiteHSideCastleFR:
11679 case WhiteASideCastleFR:
11680 case BlackHSideCastleFR:
11681 case BlackASideCastleFR:
11682 fromX = currentMoveString[0] - AAA;
11683 fromY = currentMoveString[1] - ONE;
11684 toX = currentMoveString[2] - AAA;
11685 toY = currentMoveString[3] - ONE;
11686 promoChar = currentMoveString[4];
11690 fromX = next == WhiteDrop ?
11691 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11692 (int) CharToPiece(ToLower(currentMoveString[0]));
11694 toX = currentMoveString[2] - AAA;
11695 toY = currentMoveString[3] - ONE;
11699 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11701 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11702 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11703 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11704 if(appData.findMirror) {
11705 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11706 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11711 /* Load the nth game from open file f */
11713 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11717 int gn = gameNumber;
11718 ListGame *lg = NULL;
11719 int numPGNTags = 0;
11721 GameMode oldGameMode;
11722 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11724 if (appData.debugMode)
11725 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11727 if (gameMode == Training )
11728 SetTrainingModeOff();
11730 oldGameMode = gameMode;
11731 if (gameMode != BeginningOfGame) {
11732 Reset(FALSE, TRUE);
11736 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11737 fclose(lastLoadGameFP);
11741 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11744 fseek(f, lg->offset, 0);
11745 GameListHighlight(gameNumber);
11746 pos = lg->position;
11750 DisplayError(_("Game number out of range"), 0);
11755 if (fseek(f, 0, 0) == -1) {
11756 if (f == lastLoadGameFP ?
11757 gameNumber == lastLoadGameNumber + 1 :
11761 DisplayError(_("Can't seek on game file"), 0);
11766 lastLoadGameFP = f;
11767 lastLoadGameNumber = gameNumber;
11768 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11769 lastLoadGameUseList = useList;
11773 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11774 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11775 lg->gameInfo.black);
11777 } else if (*title != NULLCHAR) {
11778 if (gameNumber > 1) {
11779 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11782 DisplayTitle(title);
11786 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11787 gameMode = PlayFromGameFile;
11791 currentMove = forwardMostMove = backwardMostMove = 0;
11792 CopyBoard(boards[0], initialPosition);
11796 * Skip the first gn-1 games in the file.
11797 * Also skip over anything that precedes an identifiable
11798 * start of game marker, to avoid being confused by
11799 * garbage at the start of the file. Currently
11800 * recognized start of game markers are the move number "1",
11801 * the pattern "gnuchess .* game", the pattern
11802 * "^[#;%] [^ ]* game file", and a PGN tag block.
11803 * A game that starts with one of the latter two patterns
11804 * will also have a move number 1, possibly
11805 * following a position diagram.
11806 * 5-4-02: Let's try being more lenient and allowing a game to
11807 * start with an unnumbered move. Does that break anything?
11809 cm = lastLoadGameStart = EndOfFile;
11811 yyboardindex = forwardMostMove;
11812 cm = (ChessMove) Myylex();
11815 if (cmailMsgLoaded) {
11816 nCmailGames = CMAIL_MAX_GAMES - gn;
11819 DisplayError(_("Game not found in file"), 0);
11826 lastLoadGameStart = cm;
11829 case MoveNumberOne:
11830 switch (lastLoadGameStart) {
11835 case MoveNumberOne:
11837 gn--; /* count this game */
11838 lastLoadGameStart = cm;
11847 switch (lastLoadGameStart) {
11850 case MoveNumberOne:
11852 gn--; /* count this game */
11853 lastLoadGameStart = cm;
11856 lastLoadGameStart = cm; /* game counted already */
11864 yyboardindex = forwardMostMove;
11865 cm = (ChessMove) Myylex();
11866 } while (cm == PGNTag || cm == Comment);
11873 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11874 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11875 != CMAIL_OLD_RESULT) {
11877 cmailResult[ CMAIL_MAX_GAMES
11878 - gn - 1] = CMAIL_OLD_RESULT;
11884 /* Only a NormalMove can be at the start of a game
11885 * without a position diagram. */
11886 if (lastLoadGameStart == EndOfFile ) {
11888 lastLoadGameStart = MoveNumberOne;
11897 if (appData.debugMode)
11898 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11900 if (cm == XBoardGame) {
11901 /* Skip any header junk before position diagram and/or move 1 */
11903 yyboardindex = forwardMostMove;
11904 cm = (ChessMove) Myylex();
11906 if (cm == EndOfFile ||
11907 cm == GNUChessGame || cm == XBoardGame) {
11908 /* Empty game; pretend end-of-file and handle later */
11913 if (cm == MoveNumberOne || cm == PositionDiagram ||
11914 cm == PGNTag || cm == Comment)
11917 } else if (cm == GNUChessGame) {
11918 if (gameInfo.event != NULL) {
11919 free(gameInfo.event);
11921 gameInfo.event = StrSave(yy_text);
11924 startedFromSetupPosition = FALSE;
11925 while (cm == PGNTag) {
11926 if (appData.debugMode)
11927 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11928 err = ParsePGNTag(yy_text, &gameInfo);
11929 if (!err) numPGNTags++;
11931 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11932 if(gameInfo.variant != oldVariant) {
11933 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11934 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11935 InitPosition(TRUE);
11936 oldVariant = gameInfo.variant;
11937 if (appData.debugMode)
11938 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11942 if (gameInfo.fen != NULL) {
11943 Board initial_position;
11944 startedFromSetupPosition = TRUE;
11945 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11947 DisplayError(_("Bad FEN position in file"), 0);
11950 CopyBoard(boards[0], initial_position);
11951 if (blackPlaysFirst) {
11952 currentMove = forwardMostMove = backwardMostMove = 1;
11953 CopyBoard(boards[1], initial_position);
11954 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11955 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11956 timeRemaining[0][1] = whiteTimeRemaining;
11957 timeRemaining[1][1] = blackTimeRemaining;
11958 if (commentList[0] != NULL) {
11959 commentList[1] = commentList[0];
11960 commentList[0] = NULL;
11963 currentMove = forwardMostMove = backwardMostMove = 0;
11965 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11967 initialRulePlies = FENrulePlies;
11968 for( i=0; i< nrCastlingRights; i++ )
11969 initialRights[i] = initial_position[CASTLING][i];
11971 yyboardindex = forwardMostMove;
11972 free(gameInfo.fen);
11973 gameInfo.fen = NULL;
11976 yyboardindex = forwardMostMove;
11977 cm = (ChessMove) Myylex();
11979 /* Handle comments interspersed among the tags */
11980 while (cm == Comment) {
11982 if (appData.debugMode)
11983 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11985 AppendComment(currentMove, p, FALSE);
11986 yyboardindex = forwardMostMove;
11987 cm = (ChessMove) Myylex();
11991 /* don't rely on existence of Event tag since if game was
11992 * pasted from clipboard the Event tag may not exist
11994 if (numPGNTags > 0){
11996 if (gameInfo.variant == VariantNormal) {
11997 VariantClass v = StringToVariant(gameInfo.event);
11998 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11999 if(v < VariantShogi) gameInfo.variant = v;
12002 if( appData.autoDisplayTags ) {
12003 tags = PGNTags(&gameInfo);
12004 TagsPopUp(tags, CmailMsg());
12009 /* Make something up, but don't display it now */
12014 if (cm == PositionDiagram) {
12017 Board initial_position;
12019 if (appData.debugMode)
12020 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12022 if (!startedFromSetupPosition) {
12024 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12025 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12036 initial_position[i][j++] = CharToPiece(*p);
12039 while (*p == ' ' || *p == '\t' ||
12040 *p == '\n' || *p == '\r') p++;
12042 if (strncmp(p, "black", strlen("black"))==0)
12043 blackPlaysFirst = TRUE;
12045 blackPlaysFirst = FALSE;
12046 startedFromSetupPosition = TRUE;
12048 CopyBoard(boards[0], initial_position);
12049 if (blackPlaysFirst) {
12050 currentMove = forwardMostMove = backwardMostMove = 1;
12051 CopyBoard(boards[1], initial_position);
12052 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12053 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12054 timeRemaining[0][1] = whiteTimeRemaining;
12055 timeRemaining[1][1] = blackTimeRemaining;
12056 if (commentList[0] != NULL) {
12057 commentList[1] = commentList[0];
12058 commentList[0] = NULL;
12061 currentMove = forwardMostMove = backwardMostMove = 0;
12064 yyboardindex = forwardMostMove;
12065 cm = (ChessMove) Myylex();
12068 if (first.pr == NoProc) {
12069 StartChessProgram(&first);
12071 InitChessProgram(&first, FALSE);
12072 SendToProgram("force\n", &first);
12073 if (startedFromSetupPosition) {
12074 SendBoard(&first, forwardMostMove);
12075 if (appData.debugMode) {
12076 fprintf(debugFP, "Load Game\n");
12078 DisplayBothClocks();
12081 /* [HGM] server: flag to write setup moves in broadcast file as one */
12082 loadFlag = appData.suppressLoadMoves;
12084 while (cm == Comment) {
12086 if (appData.debugMode)
12087 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12089 AppendComment(currentMove, p, FALSE);
12090 yyboardindex = forwardMostMove;
12091 cm = (ChessMove) Myylex();
12094 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12095 cm == WhiteWins || cm == BlackWins ||
12096 cm == GameIsDrawn || cm == GameUnfinished) {
12097 DisplayMessage("", _("No moves in game"));
12098 if (cmailMsgLoaded) {
12099 if (appData.debugMode)
12100 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12104 DrawPosition(FALSE, boards[currentMove]);
12105 DisplayBothClocks();
12106 gameMode = EditGame;
12113 // [HGM] PV info: routine tests if comment empty
12114 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12115 DisplayComment(currentMove - 1, commentList[currentMove]);
12117 if (!matchMode && appData.timeDelay != 0)
12118 DrawPosition(FALSE, boards[currentMove]);
12120 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12121 programStats.ok_to_send = 1;
12124 /* if the first token after the PGN tags is a move
12125 * and not move number 1, retrieve it from the parser
12127 if (cm != MoveNumberOne)
12128 LoadGameOneMove(cm);
12130 /* load the remaining moves from the file */
12131 while (LoadGameOneMove(EndOfFile)) {
12132 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12133 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12136 /* rewind to the start of the game */
12137 currentMove = backwardMostMove;
12139 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12141 if (oldGameMode == AnalyzeFile ||
12142 oldGameMode == AnalyzeMode) {
12143 AnalyzeFileEvent();
12146 if (!matchMode && pos >= 0) {
12147 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12149 if (matchMode || appData.timeDelay == 0) {
12151 } else if (appData.timeDelay > 0) {
12152 AutoPlayGameLoop();
12155 if (appData.debugMode)
12156 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12158 loadFlag = 0; /* [HGM] true game starts */
12162 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12164 ReloadPosition (int offset)
12166 int positionNumber = lastLoadPositionNumber + offset;
12167 if (lastLoadPositionFP == NULL) {
12168 DisplayError(_("No position has been loaded yet"), 0);
12171 if (positionNumber <= 0) {
12172 DisplayError(_("Can't back up any further"), 0);
12175 return LoadPosition(lastLoadPositionFP, positionNumber,
12176 lastLoadPositionTitle);
12179 /* Load the nth position from the given file */
12181 LoadPositionFromFile (char *filename, int n, char *title)
12186 if (strcmp(filename, "-") == 0) {
12187 return LoadPosition(stdin, n, "stdin");
12189 f = fopen(filename, "rb");
12191 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12192 DisplayError(buf, errno);
12195 return LoadPosition(f, n, title);
12200 /* Load the nth position from the given open file, and close it */
12202 LoadPosition (FILE *f, int positionNumber, char *title)
12204 char *p, line[MSG_SIZ];
12205 Board initial_position;
12206 int i, j, fenMode, pn;
12208 if (gameMode == Training )
12209 SetTrainingModeOff();
12211 if (gameMode != BeginningOfGame) {
12212 Reset(FALSE, TRUE);
12214 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12215 fclose(lastLoadPositionFP);
12217 if (positionNumber == 0) positionNumber = 1;
12218 lastLoadPositionFP = f;
12219 lastLoadPositionNumber = positionNumber;
12220 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12221 if (first.pr == NoProc && !appData.noChessProgram) {
12222 StartChessProgram(&first);
12223 InitChessProgram(&first, FALSE);
12225 pn = positionNumber;
12226 if (positionNumber < 0) {
12227 /* Negative position number means to seek to that byte offset */
12228 if (fseek(f, -positionNumber, 0) == -1) {
12229 DisplayError(_("Can't seek on position file"), 0);
12234 if (fseek(f, 0, 0) == -1) {
12235 if (f == lastLoadPositionFP ?
12236 positionNumber == lastLoadPositionNumber + 1 :
12237 positionNumber == 1) {
12240 DisplayError(_("Can't seek on position file"), 0);
12245 /* See if this file is FEN or old-style xboard */
12246 if (fgets(line, MSG_SIZ, f) == NULL) {
12247 DisplayError(_("Position not found in file"), 0);
12250 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12251 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12254 if (fenMode || line[0] == '#') pn--;
12256 /* skip positions before number pn */
12257 if (fgets(line, MSG_SIZ, f) == NULL) {
12259 DisplayError(_("Position not found in file"), 0);
12262 if (fenMode || line[0] == '#') pn--;
12267 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12268 DisplayError(_("Bad FEN position in file"), 0);
12272 (void) fgets(line, MSG_SIZ, f);
12273 (void) fgets(line, MSG_SIZ, f);
12275 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12276 (void) fgets(line, MSG_SIZ, f);
12277 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12280 initial_position[i][j++] = CharToPiece(*p);
12284 blackPlaysFirst = FALSE;
12286 (void) fgets(line, MSG_SIZ, f);
12287 if (strncmp(line, "black", strlen("black"))==0)
12288 blackPlaysFirst = TRUE;
12291 startedFromSetupPosition = TRUE;
12293 CopyBoard(boards[0], initial_position);
12294 if (blackPlaysFirst) {
12295 currentMove = forwardMostMove = backwardMostMove = 1;
12296 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12297 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12298 CopyBoard(boards[1], initial_position);
12299 DisplayMessage("", _("Black to play"));
12301 currentMove = forwardMostMove = backwardMostMove = 0;
12302 DisplayMessage("", _("White to play"));
12304 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12305 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12306 SendToProgram("force\n", &first);
12307 SendBoard(&first, forwardMostMove);
12309 if (appData.debugMode) {
12311 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12312 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12313 fprintf(debugFP, "Load Position\n");
12316 if (positionNumber > 1) {
12317 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12318 DisplayTitle(line);
12320 DisplayTitle(title);
12322 gameMode = EditGame;
12325 timeRemaining[0][1] = whiteTimeRemaining;
12326 timeRemaining[1][1] = blackTimeRemaining;
12327 DrawPosition(FALSE, boards[currentMove]);
12334 CopyPlayerNameIntoFileName (char **dest, char *src)
12336 while (*src != NULLCHAR && *src != ',') {
12341 *(*dest)++ = *src++;
12347 DefaultFileName (char *ext)
12349 static char def[MSG_SIZ];
12352 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12354 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12356 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12358 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12365 /* Save the current game to the given file */
12367 SaveGameToFile (char *filename, int append)
12371 int result, i, t,tot=0;
12373 if (strcmp(filename, "-") == 0) {
12374 return SaveGame(stdout, 0, NULL);
12376 for(i=0; i<10; i++) { // upto 10 tries
12377 f = fopen(filename, append ? "a" : "w");
12378 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12379 if(f || errno != 13) break;
12380 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12384 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12385 DisplayError(buf, errno);
12388 safeStrCpy(buf, lastMsg, MSG_SIZ);
12389 DisplayMessage(_("Waiting for access to save file"), "");
12390 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12391 DisplayMessage(_("Saving game"), "");
12392 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12393 result = SaveGame(f, 0, NULL);
12394 DisplayMessage(buf, "");
12401 SavePart (char *str)
12403 static char buf[MSG_SIZ];
12406 p = strchr(str, ' ');
12407 if (p == NULL) return str;
12408 strncpy(buf, str, p - str);
12409 buf[p - str] = NULLCHAR;
12413 #define PGN_MAX_LINE 75
12415 #define PGN_SIDE_WHITE 0
12416 #define PGN_SIDE_BLACK 1
12419 FindFirstMoveOutOfBook (int side)
12423 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12424 int index = backwardMostMove;
12425 int has_book_hit = 0;
12427 if( (index % 2) != side ) {
12431 while( index < forwardMostMove ) {
12432 /* Check to see if engine is in book */
12433 int depth = pvInfoList[index].depth;
12434 int score = pvInfoList[index].score;
12440 else if( score == 0 && depth == 63 ) {
12441 in_book = 1; /* Zappa */
12443 else if( score == 2 && depth == 99 ) {
12444 in_book = 1; /* Abrok */
12447 has_book_hit += in_book;
12463 GetOutOfBookInfo (char * buf)
12467 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12469 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12470 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12474 if( oob[0] >= 0 || oob[1] >= 0 ) {
12475 for( i=0; i<2; i++ ) {
12479 if( i > 0 && oob[0] >= 0 ) {
12480 strcat( buf, " " );
12483 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12484 sprintf( buf+strlen(buf), "%s%.2f",
12485 pvInfoList[idx].score >= 0 ? "+" : "",
12486 pvInfoList[idx].score / 100.0 );
12492 /* Save game in PGN style and close the file */
12494 SaveGamePGN (FILE *f)
12496 int i, offset, linelen, newblock;
12500 int movelen, numlen, blank;
12501 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12503 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12505 tm = time((time_t *) NULL);
12507 PrintPGNTags(f, &gameInfo);
12509 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12511 if (backwardMostMove > 0 || startedFromSetupPosition) {
12512 char *fen = PositionToFEN(backwardMostMove, NULL);
12513 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12514 fprintf(f, "\n{--------------\n");
12515 PrintPosition(f, backwardMostMove);
12516 fprintf(f, "--------------}\n");
12520 /* [AS] Out of book annotation */
12521 if( appData.saveOutOfBookInfo ) {
12524 GetOutOfBookInfo( buf );
12526 if( buf[0] != '\0' ) {
12527 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12534 i = backwardMostMove;
12538 while (i < forwardMostMove) {
12539 /* Print comments preceding this move */
12540 if (commentList[i] != NULL) {
12541 if (linelen > 0) fprintf(f, "\n");
12542 fprintf(f, "%s", commentList[i]);
12547 /* Format move number */
12549 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12552 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12554 numtext[0] = NULLCHAR;
12556 numlen = strlen(numtext);
12559 /* Print move number */
12560 blank = linelen > 0 && numlen > 0;
12561 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12570 fprintf(f, "%s", numtext);
12574 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12575 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12578 blank = linelen > 0 && movelen > 0;
12579 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12588 fprintf(f, "%s", move_buffer);
12589 linelen += movelen;
12591 /* [AS] Add PV info if present */
12592 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12593 /* [HGM] add time */
12594 char buf[MSG_SIZ]; int seconds;
12596 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12602 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12605 seconds = (seconds + 4)/10; // round to full seconds
12607 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12609 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12612 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12613 pvInfoList[i].score >= 0 ? "+" : "",
12614 pvInfoList[i].score / 100.0,
12615 pvInfoList[i].depth,
12618 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12620 /* Print score/depth */
12621 blank = linelen > 0 && movelen > 0;
12622 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12631 fprintf(f, "%s", move_buffer);
12632 linelen += movelen;
12638 /* Start a new line */
12639 if (linelen > 0) fprintf(f, "\n");
12641 /* Print comments after last move */
12642 if (commentList[i] != NULL) {
12643 fprintf(f, "%s\n", commentList[i]);
12647 if (gameInfo.resultDetails != NULL &&
12648 gameInfo.resultDetails[0] != NULLCHAR) {
12649 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12650 PGNResult(gameInfo.result));
12652 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12656 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12660 /* Save game in old style and close the file */
12662 SaveGameOldStyle (FILE *f)
12667 tm = time((time_t *) NULL);
12669 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12672 if (backwardMostMove > 0 || startedFromSetupPosition) {
12673 fprintf(f, "\n[--------------\n");
12674 PrintPosition(f, backwardMostMove);
12675 fprintf(f, "--------------]\n");
12680 i = backwardMostMove;
12681 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12683 while (i < forwardMostMove) {
12684 if (commentList[i] != NULL) {
12685 fprintf(f, "[%s]\n", commentList[i]);
12688 if ((i % 2) == 1) {
12689 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12692 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12694 if (commentList[i] != NULL) {
12698 if (i >= forwardMostMove) {
12702 fprintf(f, "%s\n", parseList[i]);
12707 if (commentList[i] != NULL) {
12708 fprintf(f, "[%s]\n", commentList[i]);
12711 /* This isn't really the old style, but it's close enough */
12712 if (gameInfo.resultDetails != NULL &&
12713 gameInfo.resultDetails[0] != NULLCHAR) {
12714 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12715 gameInfo.resultDetails);
12717 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12724 /* Save the current game to open file f and close the file */
12726 SaveGame (FILE *f, int dummy, char *dummy2)
12728 if (gameMode == EditPosition) EditPositionDone(TRUE);
12729 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12730 if (appData.oldSaveStyle)
12731 return SaveGameOldStyle(f);
12733 return SaveGamePGN(f);
12736 /* Save the current position to the given file */
12738 SavePositionToFile (char *filename)
12743 if (strcmp(filename, "-") == 0) {
12744 return SavePosition(stdout, 0, NULL);
12746 f = fopen(filename, "a");
12748 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12749 DisplayError(buf, errno);
12752 safeStrCpy(buf, lastMsg, MSG_SIZ);
12753 DisplayMessage(_("Waiting for access to save file"), "");
12754 flock(fileno(f), LOCK_EX); // [HGM] lock
12755 DisplayMessage(_("Saving position"), "");
12756 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12757 SavePosition(f, 0, NULL);
12758 DisplayMessage(buf, "");
12764 /* Save the current position to the given open file and close the file */
12766 SavePosition (FILE *f, int dummy, char *dummy2)
12771 if (gameMode == EditPosition) EditPositionDone(TRUE);
12772 if (appData.oldSaveStyle) {
12773 tm = time((time_t *) NULL);
12775 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12777 fprintf(f, "[--------------\n");
12778 PrintPosition(f, currentMove);
12779 fprintf(f, "--------------]\n");
12781 fen = PositionToFEN(currentMove, NULL);
12782 fprintf(f, "%s\n", fen);
12790 ReloadCmailMsgEvent (int unregister)
12793 static char *inFilename = NULL;
12794 static char *outFilename;
12796 struct stat inbuf, outbuf;
12799 /* Any registered moves are unregistered if unregister is set, */
12800 /* i.e. invoked by the signal handler */
12802 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12803 cmailMoveRegistered[i] = FALSE;
12804 if (cmailCommentList[i] != NULL) {
12805 free(cmailCommentList[i]);
12806 cmailCommentList[i] = NULL;
12809 nCmailMovesRegistered = 0;
12812 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12813 cmailResult[i] = CMAIL_NOT_RESULT;
12817 if (inFilename == NULL) {
12818 /* Because the filenames are static they only get malloced once */
12819 /* and they never get freed */
12820 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12821 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12823 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12824 sprintf(outFilename, "%s.out", appData.cmailGameName);
12827 status = stat(outFilename, &outbuf);
12829 cmailMailedMove = FALSE;
12831 status = stat(inFilename, &inbuf);
12832 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12835 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12836 counts the games, notes how each one terminated, etc.
12838 It would be nice to remove this kludge and instead gather all
12839 the information while building the game list. (And to keep it
12840 in the game list nodes instead of having a bunch of fixed-size
12841 parallel arrays.) Note this will require getting each game's
12842 termination from the PGN tags, as the game list builder does
12843 not process the game moves. --mann
12845 cmailMsgLoaded = TRUE;
12846 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12848 /* Load first game in the file or popup game menu */
12849 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12851 #endif /* !WIN32 */
12859 char string[MSG_SIZ];
12861 if ( cmailMailedMove
12862 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12863 return TRUE; /* Allow free viewing */
12866 /* Unregister move to ensure that we don't leave RegisterMove */
12867 /* with the move registered when the conditions for registering no */
12869 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12870 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12871 nCmailMovesRegistered --;
12873 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12875 free(cmailCommentList[lastLoadGameNumber - 1]);
12876 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12880 if (cmailOldMove == -1) {
12881 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12885 if (currentMove > cmailOldMove + 1) {
12886 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12890 if (currentMove < cmailOldMove) {
12891 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12895 if (forwardMostMove > currentMove) {
12896 /* Silently truncate extra moves */
12900 if ( (currentMove == cmailOldMove + 1)
12901 || ( (currentMove == cmailOldMove)
12902 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12903 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12904 if (gameInfo.result != GameUnfinished) {
12905 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12908 if (commentList[currentMove] != NULL) {
12909 cmailCommentList[lastLoadGameNumber - 1]
12910 = StrSave(commentList[currentMove]);
12912 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12914 if (appData.debugMode)
12915 fprintf(debugFP, "Saving %s for game %d\n",
12916 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12918 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12920 f = fopen(string, "w");
12921 if (appData.oldSaveStyle) {
12922 SaveGameOldStyle(f); /* also closes the file */
12924 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12925 f = fopen(string, "w");
12926 SavePosition(f, 0, NULL); /* also closes the file */
12928 fprintf(f, "{--------------\n");
12929 PrintPosition(f, currentMove);
12930 fprintf(f, "--------------}\n\n");
12932 SaveGame(f, 0, NULL); /* also closes the file*/
12935 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12936 nCmailMovesRegistered ++;
12937 } else if (nCmailGames == 1) {
12938 DisplayError(_("You have not made a move yet"), 0);
12949 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12950 FILE *commandOutput;
12951 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12952 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12958 if (! cmailMsgLoaded) {
12959 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12963 if (nCmailGames == nCmailResults) {
12964 DisplayError(_("No unfinished games"), 0);
12968 #if CMAIL_PROHIBIT_REMAIL
12969 if (cmailMailedMove) {
12970 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);
12971 DisplayError(msg, 0);
12976 if (! (cmailMailedMove || RegisterMove())) return;
12978 if ( cmailMailedMove
12979 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12980 snprintf(string, MSG_SIZ, partCommandString,
12981 appData.debugMode ? " -v" : "", appData.cmailGameName);
12982 commandOutput = popen(string, "r");
12984 if (commandOutput == NULL) {
12985 DisplayError(_("Failed to invoke cmail"), 0);
12987 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12988 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12990 if (nBuffers > 1) {
12991 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12992 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12993 nBytes = MSG_SIZ - 1;
12995 (void) memcpy(msg, buffer, nBytes);
12997 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12999 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13000 cmailMailedMove = TRUE; /* Prevent >1 moves */
13003 for (i = 0; i < nCmailGames; i ++) {
13004 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13009 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13011 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13013 appData.cmailGameName,
13015 LoadGameFromFile(buffer, 1, buffer, FALSE);
13016 cmailMsgLoaded = FALSE;
13020 DisplayInformation(msg);
13021 pclose(commandOutput);
13024 if ((*cmailMsg) != '\0') {
13025 DisplayInformation(cmailMsg);
13030 #endif /* !WIN32 */
13039 int prependComma = 0;
13041 char string[MSG_SIZ]; /* Space for game-list */
13044 if (!cmailMsgLoaded) return "";
13046 if (cmailMailedMove) {
13047 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13049 /* Create a list of games left */
13050 snprintf(string, MSG_SIZ, "[");
13051 for (i = 0; i < nCmailGames; i ++) {
13052 if (! ( cmailMoveRegistered[i]
13053 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13054 if (prependComma) {
13055 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13057 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13061 strcat(string, number);
13064 strcat(string, "]");
13066 if (nCmailMovesRegistered + nCmailResults == 0) {
13067 switch (nCmailGames) {
13069 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13073 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13077 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13082 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13084 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13089 if (nCmailResults == nCmailGames) {
13090 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13092 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13097 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13109 if (gameMode == Training)
13110 SetTrainingModeOff();
13113 cmailMsgLoaded = FALSE;
13114 if (appData.icsActive) {
13115 SendToICS(ics_prefix);
13116 SendToICS("refresh\n");
13121 ExitEvent (int status)
13125 /* Give up on clean exit */
13129 /* Keep trying for clean exit */
13133 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13135 if (telnetISR != NULL) {
13136 RemoveInputSource(telnetISR);
13138 if (icsPR != NoProc) {
13139 DestroyChildProcess(icsPR, TRUE);
13142 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13143 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13145 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13146 /* make sure this other one finishes before killing it! */
13147 if(endingGame) { int count = 0;
13148 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13149 while(endingGame && count++ < 10) DoSleep(1);
13150 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13153 /* Kill off chess programs */
13154 if (first.pr != NoProc) {
13157 DoSleep( appData.delayBeforeQuit );
13158 SendToProgram("quit\n", &first);
13159 DoSleep( appData.delayAfterQuit );
13160 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13162 if (second.pr != NoProc) {
13163 DoSleep( appData.delayBeforeQuit );
13164 SendToProgram("quit\n", &second);
13165 DoSleep( appData.delayAfterQuit );
13166 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13168 if (first.isr != NULL) {
13169 RemoveInputSource(first.isr);
13171 if (second.isr != NULL) {
13172 RemoveInputSource(second.isr);
13175 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13176 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13178 ShutDownFrontEnd();
13185 if (appData.debugMode)
13186 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13190 if (gameMode == MachinePlaysWhite ||
13191 gameMode == MachinePlaysBlack) {
13194 DisplayBothClocks();
13196 if (gameMode == PlayFromGameFile) {
13197 if (appData.timeDelay >= 0)
13198 AutoPlayGameLoop();
13199 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13200 Reset(FALSE, TRUE);
13201 SendToICS(ics_prefix);
13202 SendToICS("refresh\n");
13203 } else if (currentMove < forwardMostMove) {
13204 ForwardInner(forwardMostMove);
13206 pauseExamInvalid = FALSE;
13208 switch (gameMode) {
13212 pauseExamForwardMostMove = forwardMostMove;
13213 pauseExamInvalid = FALSE;
13216 case IcsPlayingWhite:
13217 case IcsPlayingBlack:
13221 case PlayFromGameFile:
13222 (void) StopLoadGameTimer();
13226 case BeginningOfGame:
13227 if (appData.icsActive) return;
13228 /* else fall through */
13229 case MachinePlaysWhite:
13230 case MachinePlaysBlack:
13231 case TwoMachinesPlay:
13232 if (forwardMostMove == 0)
13233 return; /* don't pause if no one has moved */
13234 if ((gameMode == MachinePlaysWhite &&
13235 !WhiteOnMove(forwardMostMove)) ||
13236 (gameMode == MachinePlaysBlack &&
13237 WhiteOnMove(forwardMostMove))) {
13248 EditCommentEvent ()
13250 char title[MSG_SIZ];
13252 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13253 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13255 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13256 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13257 parseList[currentMove - 1]);
13260 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13267 char *tags = PGNTags(&gameInfo);
13269 EditTagsPopUp(tags, NULL);
13274 AnalyzeModeEvent ()
13276 if (appData.noChessProgram || gameMode == AnalyzeMode)
13279 if (gameMode != AnalyzeFile) {
13280 if (!appData.icsEngineAnalyze) {
13282 if (gameMode != EditGame) return;
13284 ResurrectChessProgram();
13285 SendToProgram("analyze\n", &first);
13286 first.analyzing = TRUE;
13287 /*first.maybeThinking = TRUE;*/
13288 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13289 EngineOutputPopUp();
13291 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13296 StartAnalysisClock();
13297 GetTimeMark(&lastNodeCountTime);
13302 AnalyzeFileEvent ()
13304 if (appData.noChessProgram || gameMode == AnalyzeFile)
13307 if (gameMode != AnalyzeMode) {
13309 if (gameMode != EditGame) return;
13310 ResurrectChessProgram();
13311 SendToProgram("analyze\n", &first);
13312 first.analyzing = TRUE;
13313 /*first.maybeThinking = TRUE;*/
13314 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13315 EngineOutputPopUp();
13317 gameMode = AnalyzeFile;
13322 StartAnalysisClock();
13323 GetTimeMark(&lastNodeCountTime);
13325 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13329 MachineWhiteEvent ()
13332 char *bookHit = NULL;
13334 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13338 if (gameMode == PlayFromGameFile ||
13339 gameMode == TwoMachinesPlay ||
13340 gameMode == Training ||
13341 gameMode == AnalyzeMode ||
13342 gameMode == EndOfGame)
13345 if (gameMode == EditPosition)
13346 EditPositionDone(TRUE);
13348 if (!WhiteOnMove(currentMove)) {
13349 DisplayError(_("It is not White's turn"), 0);
13353 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13356 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13357 gameMode == AnalyzeFile)
13360 ResurrectChessProgram(); /* in case it isn't running */
13361 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13362 gameMode = MachinePlaysWhite;
13365 gameMode = MachinePlaysWhite;
13369 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13371 if (first.sendName) {
13372 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13373 SendToProgram(buf, &first);
13375 if (first.sendTime) {
13376 if (first.useColors) {
13377 SendToProgram("black\n", &first); /*gnu kludge*/
13379 SendTimeRemaining(&first, TRUE);
13381 if (first.useColors) {
13382 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13384 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13385 SetMachineThinkingEnables();
13386 first.maybeThinking = TRUE;
13390 if (appData.autoFlipView && !flipView) {
13391 flipView = !flipView;
13392 DrawPosition(FALSE, NULL);
13393 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13396 if(bookHit) { // [HGM] book: simulate book reply
13397 static char bookMove[MSG_SIZ]; // a bit generous?
13399 programStats.nodes = programStats.depth = programStats.time =
13400 programStats.score = programStats.got_only_move = 0;
13401 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13403 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13404 strcat(bookMove, bookHit);
13405 HandleMachineMove(bookMove, &first);
13410 MachineBlackEvent ()
13413 char *bookHit = NULL;
13415 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13419 if (gameMode == PlayFromGameFile ||
13420 gameMode == TwoMachinesPlay ||
13421 gameMode == Training ||
13422 gameMode == AnalyzeMode ||
13423 gameMode == EndOfGame)
13426 if (gameMode == EditPosition)
13427 EditPositionDone(TRUE);
13429 if (WhiteOnMove(currentMove)) {
13430 DisplayError(_("It is not Black's turn"), 0);
13434 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13437 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13438 gameMode == AnalyzeFile)
13441 ResurrectChessProgram(); /* in case it isn't running */
13442 gameMode = MachinePlaysBlack;
13446 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13448 if (first.sendName) {
13449 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13450 SendToProgram(buf, &first);
13452 if (first.sendTime) {
13453 if (first.useColors) {
13454 SendToProgram("white\n", &first); /*gnu kludge*/
13456 SendTimeRemaining(&first, FALSE);
13458 if (first.useColors) {
13459 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13461 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13462 SetMachineThinkingEnables();
13463 first.maybeThinking = TRUE;
13466 if (appData.autoFlipView && flipView) {
13467 flipView = !flipView;
13468 DrawPosition(FALSE, NULL);
13469 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13471 if(bookHit) { // [HGM] book: simulate book reply
13472 static char bookMove[MSG_SIZ]; // a bit generous?
13474 programStats.nodes = programStats.depth = programStats.time =
13475 programStats.score = programStats.got_only_move = 0;
13476 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13478 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13479 strcat(bookMove, bookHit);
13480 HandleMachineMove(bookMove, &first);
13486 DisplayTwoMachinesTitle ()
13489 if (appData.matchGames > 0) {
13490 if(appData.tourneyFile[0]) {
13491 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13492 gameInfo.white, _("vs."), gameInfo.black,
13493 nextGame+1, appData.matchGames+1,
13494 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13496 if (first.twoMachinesColor[0] == 'w') {
13497 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13498 gameInfo.white, _("vs."), gameInfo.black,
13499 first.matchWins, second.matchWins,
13500 matchGame - 1 - (first.matchWins + second.matchWins));
13502 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13503 gameInfo.white, _("vs."), gameInfo.black,
13504 second.matchWins, first.matchWins,
13505 matchGame - 1 - (first.matchWins + second.matchWins));
13508 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13514 SettingsMenuIfReady ()
13516 if (second.lastPing != second.lastPong) {
13517 DisplayMessage("", _("Waiting for second chess program"));
13518 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13522 DisplayMessage("", "");
13523 SettingsPopUp(&second);
13527 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13530 if (cps->pr == NoProc) {
13531 StartChessProgram(cps);
13532 if (cps->protocolVersion == 1) {
13535 /* kludge: allow timeout for initial "feature" command */
13537 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13538 DisplayMessage("", buf);
13539 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13547 TwoMachinesEvent P((void))
13551 ChessProgramState *onmove;
13552 char *bookHit = NULL;
13553 static int stalling = 0;
13557 if (appData.noChessProgram) return;
13559 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13560 DisplayError("second engine does not play this", 0);
13564 switch (gameMode) {
13565 case TwoMachinesPlay:
13567 case MachinePlaysWhite:
13568 case MachinePlaysBlack:
13569 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13570 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13574 case BeginningOfGame:
13575 case PlayFromGameFile:
13578 if (gameMode != EditGame) return;
13581 EditPositionDone(TRUE);
13592 // forwardMostMove = currentMove;
13593 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13595 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13597 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13598 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13599 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13603 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13604 SendToProgram("force\n", &second);
13606 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13609 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13610 if(appData.matchPause>10000 || appData.matchPause<10)
13611 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13612 wait = SubtractTimeMarks(&now, &pauseStart);
13613 if(wait < appData.matchPause) {
13614 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13617 // we are now committed to starting the game
13619 DisplayMessage("", "");
13620 if (startedFromSetupPosition) {
13621 SendBoard(&second, backwardMostMove);
13622 if (appData.debugMode) {
13623 fprintf(debugFP, "Two Machines\n");
13626 for (i = backwardMostMove; i < forwardMostMove; i++) {
13627 SendMoveToProgram(i, &second);
13630 gameMode = TwoMachinesPlay;
13632 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13634 DisplayTwoMachinesTitle();
13636 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13641 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13642 SendToProgram(first.computerString, &first);
13643 if (first.sendName) {
13644 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13645 SendToProgram(buf, &first);
13647 SendToProgram(second.computerString, &second);
13648 if (second.sendName) {
13649 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13650 SendToProgram(buf, &second);
13654 if (!first.sendTime || !second.sendTime) {
13655 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13656 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13658 if (onmove->sendTime) {
13659 if (onmove->useColors) {
13660 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13662 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13664 if (onmove->useColors) {
13665 SendToProgram(onmove->twoMachinesColor, onmove);
13667 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13668 // SendToProgram("go\n", onmove);
13669 onmove->maybeThinking = TRUE;
13670 SetMachineThinkingEnables();
13674 if(bookHit) { // [HGM] book: simulate book reply
13675 static char bookMove[MSG_SIZ]; // a bit generous?
13677 programStats.nodes = programStats.depth = programStats.time =
13678 programStats.score = programStats.got_only_move = 0;
13679 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13681 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13682 strcat(bookMove, bookHit);
13683 savedMessage = bookMove; // args for deferred call
13684 savedState = onmove;
13685 ScheduleDelayedEvent(DeferredBookMove, 1);
13692 if (gameMode == Training) {
13693 SetTrainingModeOff();
13694 gameMode = PlayFromGameFile;
13695 DisplayMessage("", _("Training mode off"));
13697 gameMode = Training;
13698 animateTraining = appData.animate;
13700 /* make sure we are not already at the end of the game */
13701 if (currentMove < forwardMostMove) {
13702 SetTrainingModeOn();
13703 DisplayMessage("", _("Training mode on"));
13705 gameMode = PlayFromGameFile;
13706 DisplayError(_("Already at end of game"), 0);
13715 if (!appData.icsActive) return;
13716 switch (gameMode) {
13717 case IcsPlayingWhite:
13718 case IcsPlayingBlack:
13721 case BeginningOfGame:
13729 EditPositionDone(TRUE);
13742 gameMode = IcsIdle;
13752 switch (gameMode) {
13754 SetTrainingModeOff();
13756 case MachinePlaysWhite:
13757 case MachinePlaysBlack:
13758 case BeginningOfGame:
13759 SendToProgram("force\n", &first);
13760 SetUserThinkingEnables();
13762 case PlayFromGameFile:
13763 (void) StopLoadGameTimer();
13764 if (gameFileFP != NULL) {
13769 EditPositionDone(TRUE);
13774 SendToProgram("force\n", &first);
13776 case TwoMachinesPlay:
13777 GameEnds(EndOfFile, NULL, GE_PLAYER);
13778 ResurrectChessProgram();
13779 SetUserThinkingEnables();
13782 ResurrectChessProgram();
13784 case IcsPlayingBlack:
13785 case IcsPlayingWhite:
13786 DisplayError(_("Warning: You are still playing a game"), 0);
13789 DisplayError(_("Warning: You are still observing a game"), 0);
13792 DisplayError(_("Warning: You are still examining a game"), 0);
13803 first.offeredDraw = second.offeredDraw = 0;
13805 if (gameMode == PlayFromGameFile) {
13806 whiteTimeRemaining = timeRemaining[0][currentMove];
13807 blackTimeRemaining = timeRemaining[1][currentMove];
13811 if (gameMode == MachinePlaysWhite ||
13812 gameMode == MachinePlaysBlack ||
13813 gameMode == TwoMachinesPlay ||
13814 gameMode == EndOfGame) {
13815 i = forwardMostMove;
13816 while (i > currentMove) {
13817 SendToProgram("undo\n", &first);
13820 if(!adjustedClock) {
13821 whiteTimeRemaining = timeRemaining[0][currentMove];
13822 blackTimeRemaining = timeRemaining[1][currentMove];
13823 DisplayBothClocks();
13825 if (whiteFlag || blackFlag) {
13826 whiteFlag = blackFlag = 0;
13831 gameMode = EditGame;
13838 EditPositionEvent ()
13840 if (gameMode == EditPosition) {
13846 if (gameMode != EditGame) return;
13848 gameMode = EditPosition;
13851 if (currentMove > 0)
13852 CopyBoard(boards[0], boards[currentMove]);
13854 blackPlaysFirst = !WhiteOnMove(currentMove);
13856 currentMove = forwardMostMove = backwardMostMove = 0;
13857 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13859 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13865 /* [DM] icsEngineAnalyze - possible call from other functions */
13866 if (appData.icsEngineAnalyze) {
13867 appData.icsEngineAnalyze = FALSE;
13869 DisplayMessage("",_("Close ICS engine analyze..."));
13871 if (first.analysisSupport && first.analyzing) {
13872 SendToProgram("exit\n", &first);
13873 first.analyzing = FALSE;
13875 thinkOutput[0] = NULLCHAR;
13879 EditPositionDone (Boolean fakeRights)
13881 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13883 startedFromSetupPosition = TRUE;
13884 InitChessProgram(&first, FALSE);
13885 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13886 boards[0][EP_STATUS] = EP_NONE;
13887 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13888 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13889 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13890 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13891 } else boards[0][CASTLING][2] = NoRights;
13892 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13893 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13894 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13895 } else boards[0][CASTLING][5] = NoRights;
13897 SendToProgram("force\n", &first);
13898 if (blackPlaysFirst) {
13899 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13900 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13901 currentMove = forwardMostMove = backwardMostMove = 1;
13902 CopyBoard(boards[1], boards[0]);
13904 currentMove = forwardMostMove = backwardMostMove = 0;
13906 SendBoard(&first, forwardMostMove);
13907 if (appData.debugMode) {
13908 fprintf(debugFP, "EditPosDone\n");
13911 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13912 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13913 gameMode = EditGame;
13915 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13916 ClearHighlights(); /* [AS] */
13919 /* Pause for `ms' milliseconds */
13920 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13922 TimeDelay (long ms)
13929 } while (SubtractTimeMarks(&m2, &m1) < ms);
13932 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13934 SendMultiLineToICS (char *buf)
13936 char temp[MSG_SIZ+1], *p;
13943 strncpy(temp, buf, len);
13948 if (*p == '\n' || *p == '\r')
13953 strcat(temp, "\n");
13955 SendToPlayer(temp, strlen(temp));
13959 SetWhiteToPlayEvent ()
13961 if (gameMode == EditPosition) {
13962 blackPlaysFirst = FALSE;
13963 DisplayBothClocks(); /* works because currentMove is 0 */
13964 } else if (gameMode == IcsExamining) {
13965 SendToICS(ics_prefix);
13966 SendToICS("tomove white\n");
13971 SetBlackToPlayEvent ()
13973 if (gameMode == EditPosition) {
13974 blackPlaysFirst = TRUE;
13975 currentMove = 1; /* kludge */
13976 DisplayBothClocks();
13978 } else if (gameMode == IcsExamining) {
13979 SendToICS(ics_prefix);
13980 SendToICS("tomove black\n");
13985 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13988 ChessSquare piece = boards[0][y][x];
13990 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13992 switch (selection) {
13994 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13995 SendToICS(ics_prefix);
13996 SendToICS("bsetup clear\n");
13997 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13998 SendToICS(ics_prefix);
13999 SendToICS("clearboard\n");
14001 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14002 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14003 for (y = 0; y < BOARD_HEIGHT; y++) {
14004 if (gameMode == IcsExamining) {
14005 if (boards[currentMove][y][x] != EmptySquare) {
14006 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14011 boards[0][y][x] = p;
14016 if (gameMode == EditPosition) {
14017 DrawPosition(FALSE, boards[0]);
14022 SetWhiteToPlayEvent();
14026 SetBlackToPlayEvent();
14030 if (gameMode == IcsExamining) {
14031 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14032 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14035 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14036 if(x == BOARD_LEFT-2) {
14037 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14038 boards[0][y][1] = 0;
14040 if(x == BOARD_RGHT+1) {
14041 if(y >= gameInfo.holdingsSize) break;
14042 boards[0][y][BOARD_WIDTH-2] = 0;
14045 boards[0][y][x] = EmptySquare;
14046 DrawPosition(FALSE, boards[0]);
14051 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14052 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14053 selection = (ChessSquare) (PROMOTED piece);
14054 } else if(piece == EmptySquare) selection = WhiteSilver;
14055 else selection = (ChessSquare)((int)piece - 1);
14059 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14060 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14061 selection = (ChessSquare) (DEMOTED piece);
14062 } else if(piece == EmptySquare) selection = BlackSilver;
14063 else selection = (ChessSquare)((int)piece + 1);
14068 if(gameInfo.variant == VariantShatranj ||
14069 gameInfo.variant == VariantXiangqi ||
14070 gameInfo.variant == VariantCourier ||
14071 gameInfo.variant == VariantMakruk )
14072 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14077 if(gameInfo.variant == VariantXiangqi)
14078 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14079 if(gameInfo.variant == VariantKnightmate)
14080 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14083 if (gameMode == IcsExamining) {
14084 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14085 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14086 PieceToChar(selection), AAA + x, ONE + y);
14089 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14091 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14092 n = PieceToNumber(selection - BlackPawn);
14093 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14094 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14095 boards[0][BOARD_HEIGHT-1-n][1]++;
14097 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14098 n = PieceToNumber(selection);
14099 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14100 boards[0][n][BOARD_WIDTH-1] = selection;
14101 boards[0][n][BOARD_WIDTH-2]++;
14104 boards[0][y][x] = selection;
14105 DrawPosition(TRUE, boards[0]);
14107 fromX = fromY = -1;
14115 DropMenuEvent (ChessSquare selection, int x, int y)
14117 ChessMove moveType;
14119 switch (gameMode) {
14120 case IcsPlayingWhite:
14121 case MachinePlaysBlack:
14122 if (!WhiteOnMove(currentMove)) {
14123 DisplayMoveError(_("It is Black's turn"));
14126 moveType = WhiteDrop;
14128 case IcsPlayingBlack:
14129 case MachinePlaysWhite:
14130 if (WhiteOnMove(currentMove)) {
14131 DisplayMoveError(_("It is White's turn"));
14134 moveType = BlackDrop;
14137 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14143 if (moveType == BlackDrop && selection < BlackPawn) {
14144 selection = (ChessSquare) ((int) selection
14145 + (int) BlackPawn - (int) WhitePawn);
14147 if (boards[currentMove][y][x] != EmptySquare) {
14148 DisplayMoveError(_("That square is occupied"));
14152 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14158 /* Accept a pending offer of any kind from opponent */
14160 if (appData.icsActive) {
14161 SendToICS(ics_prefix);
14162 SendToICS("accept\n");
14163 } else if (cmailMsgLoaded) {
14164 if (currentMove == cmailOldMove &&
14165 commentList[cmailOldMove] != NULL &&
14166 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14167 "Black offers a draw" : "White offers a draw")) {
14169 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14170 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14172 DisplayError(_("There is no pending offer on this move"), 0);
14173 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14176 /* Not used for offers from chess program */
14183 /* Decline a pending offer of any kind from opponent */
14185 if (appData.icsActive) {
14186 SendToICS(ics_prefix);
14187 SendToICS("decline\n");
14188 } else if (cmailMsgLoaded) {
14189 if (currentMove == cmailOldMove &&
14190 commentList[cmailOldMove] != NULL &&
14191 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14192 "Black offers a draw" : "White offers a draw")) {
14194 AppendComment(cmailOldMove, "Draw declined", TRUE);
14195 DisplayComment(cmailOldMove - 1, "Draw declined");
14198 DisplayError(_("There is no pending offer on this move"), 0);
14201 /* Not used for offers from chess program */
14208 /* Issue ICS rematch command */
14209 if (appData.icsActive) {
14210 SendToICS(ics_prefix);
14211 SendToICS("rematch\n");
14218 /* Call your opponent's flag (claim a win on time) */
14219 if (appData.icsActive) {
14220 SendToICS(ics_prefix);
14221 SendToICS("flag\n");
14223 switch (gameMode) {
14226 case MachinePlaysWhite:
14229 GameEnds(GameIsDrawn, "Both players ran out of time",
14232 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14234 DisplayError(_("Your opponent is not out of time"), 0);
14237 case MachinePlaysBlack:
14240 GameEnds(GameIsDrawn, "Both players ran out of time",
14243 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14245 DisplayError(_("Your opponent is not out of time"), 0);
14253 ClockClick (int which)
14254 { // [HGM] code moved to back-end from winboard.c
14255 if(which) { // black clock
14256 if (gameMode == EditPosition || gameMode == IcsExamining) {
14257 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14258 SetBlackToPlayEvent();
14259 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14260 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14261 } else if (shiftKey) {
14262 AdjustClock(which, -1);
14263 } else if (gameMode == IcsPlayingWhite ||
14264 gameMode == MachinePlaysBlack) {
14267 } else { // white clock
14268 if (gameMode == EditPosition || gameMode == IcsExamining) {
14269 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14270 SetWhiteToPlayEvent();
14271 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14272 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14273 } else if (shiftKey) {
14274 AdjustClock(which, -1);
14275 } else if (gameMode == IcsPlayingBlack ||
14276 gameMode == MachinePlaysWhite) {
14285 /* Offer draw or accept pending draw offer from opponent */
14287 if (appData.icsActive) {
14288 /* Note: tournament rules require draw offers to be
14289 made after you make your move but before you punch
14290 your clock. Currently ICS doesn't let you do that;
14291 instead, you immediately punch your clock after making
14292 a move, but you can offer a draw at any time. */
14294 SendToICS(ics_prefix);
14295 SendToICS("draw\n");
14296 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14297 } else if (cmailMsgLoaded) {
14298 if (currentMove == cmailOldMove &&
14299 commentList[cmailOldMove] != NULL &&
14300 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14301 "Black offers a draw" : "White offers a draw")) {
14302 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14303 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14304 } else if (currentMove == cmailOldMove + 1) {
14305 char *offer = WhiteOnMove(cmailOldMove) ?
14306 "White offers a draw" : "Black offers a draw";
14307 AppendComment(currentMove, offer, TRUE);
14308 DisplayComment(currentMove - 1, offer);
14309 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14311 DisplayError(_("You must make your move before offering a draw"), 0);
14312 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14314 } else if (first.offeredDraw) {
14315 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14317 if (first.sendDrawOffers) {
14318 SendToProgram("draw\n", &first);
14319 userOfferedDraw = TRUE;
14327 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14329 if (appData.icsActive) {
14330 SendToICS(ics_prefix);
14331 SendToICS("adjourn\n");
14333 /* Currently GNU Chess doesn't offer or accept Adjourns */
14341 /* Offer Abort or accept pending Abort offer from opponent */
14343 if (appData.icsActive) {
14344 SendToICS(ics_prefix);
14345 SendToICS("abort\n");
14347 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14354 /* Resign. You can do this even if it's not your turn. */
14356 if (appData.icsActive) {
14357 SendToICS(ics_prefix);
14358 SendToICS("resign\n");
14360 switch (gameMode) {
14361 case MachinePlaysWhite:
14362 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14364 case MachinePlaysBlack:
14365 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14368 if (cmailMsgLoaded) {
14370 if (WhiteOnMove(cmailOldMove)) {
14371 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14373 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14375 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14386 StopObservingEvent ()
14388 /* Stop observing current games */
14389 SendToICS(ics_prefix);
14390 SendToICS("unobserve\n");
14394 StopExaminingEvent ()
14396 /* Stop observing current game */
14397 SendToICS(ics_prefix);
14398 SendToICS("unexamine\n");
14402 ForwardInner (int target)
14404 int limit; int oldSeekGraphUp = seekGraphUp;
14406 if (appData.debugMode)
14407 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14408 target, currentMove, forwardMostMove);
14410 if (gameMode == EditPosition)
14413 seekGraphUp = FALSE;
14414 MarkTargetSquares(1);
14416 if (gameMode == PlayFromGameFile && !pausing)
14419 if (gameMode == IcsExamining && pausing)
14420 limit = pauseExamForwardMostMove;
14422 limit = forwardMostMove;
14424 if (target > limit) target = limit;
14426 if (target > 0 && moveList[target - 1][0]) {
14427 int fromX, fromY, toX, toY;
14428 toX = moveList[target - 1][2] - AAA;
14429 toY = moveList[target - 1][3] - ONE;
14430 if (moveList[target - 1][1] == '@') {
14431 if (appData.highlightLastMove) {
14432 SetHighlights(-1, -1, toX, toY);
14435 fromX = moveList[target - 1][0] - AAA;
14436 fromY = moveList[target - 1][1] - ONE;
14437 if (target == currentMove + 1) {
14438 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14440 if (appData.highlightLastMove) {
14441 SetHighlights(fromX, fromY, toX, toY);
14445 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14446 gameMode == Training || gameMode == PlayFromGameFile ||
14447 gameMode == AnalyzeFile) {
14448 while (currentMove < target) {
14449 SendMoveToProgram(currentMove++, &first);
14452 currentMove = target;
14455 if (gameMode == EditGame || gameMode == EndOfGame) {
14456 whiteTimeRemaining = timeRemaining[0][currentMove];
14457 blackTimeRemaining = timeRemaining[1][currentMove];
14459 DisplayBothClocks();
14460 DisplayMove(currentMove - 1);
14461 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14462 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14463 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14464 DisplayComment(currentMove - 1, commentList[currentMove]);
14466 ClearMap(); // [HGM] exclude: invalidate map
14473 if (gameMode == IcsExamining && !pausing) {
14474 SendToICS(ics_prefix);
14475 SendToICS("forward\n");
14477 ForwardInner(currentMove + 1);
14484 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14485 /* to optimze, we temporarily turn off analysis mode while we feed
14486 * the remaining moves to the engine. Otherwise we get analysis output
14489 if (first.analysisSupport) {
14490 SendToProgram("exit\nforce\n", &first);
14491 first.analyzing = FALSE;
14495 if (gameMode == IcsExamining && !pausing) {
14496 SendToICS(ics_prefix);
14497 SendToICS("forward 999999\n");
14499 ForwardInner(forwardMostMove);
14502 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14503 /* we have fed all the moves, so reactivate analysis mode */
14504 SendToProgram("analyze\n", &first);
14505 first.analyzing = TRUE;
14506 /*first.maybeThinking = TRUE;*/
14507 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14512 BackwardInner (int target)
14514 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14516 if (appData.debugMode)
14517 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14518 target, currentMove, forwardMostMove);
14520 if (gameMode == EditPosition) return;
14521 seekGraphUp = FALSE;
14522 MarkTargetSquares(1);
14523 if (currentMove <= backwardMostMove) {
14525 DrawPosition(full_redraw, boards[currentMove]);
14528 if (gameMode == PlayFromGameFile && !pausing)
14531 if (moveList[target][0]) {
14532 int fromX, fromY, toX, toY;
14533 toX = moveList[target][2] - AAA;
14534 toY = moveList[target][3] - ONE;
14535 if (moveList[target][1] == '@') {
14536 if (appData.highlightLastMove) {
14537 SetHighlights(-1, -1, toX, toY);
14540 fromX = moveList[target][0] - AAA;
14541 fromY = moveList[target][1] - ONE;
14542 if (target == currentMove - 1) {
14543 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14545 if (appData.highlightLastMove) {
14546 SetHighlights(fromX, fromY, toX, toY);
14550 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14551 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14552 while (currentMove > target) {
14553 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14554 // null move cannot be undone. Reload program with move history before it.
14556 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14557 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14559 SendBoard(&first, i);
14560 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14563 SendToProgram("undo\n", &first);
14567 currentMove = target;
14570 if (gameMode == EditGame || gameMode == EndOfGame) {
14571 whiteTimeRemaining = timeRemaining[0][currentMove];
14572 blackTimeRemaining = timeRemaining[1][currentMove];
14574 DisplayBothClocks();
14575 DisplayMove(currentMove - 1);
14576 DrawPosition(full_redraw, boards[currentMove]);
14577 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14578 // [HGM] PV info: routine tests if comment empty
14579 DisplayComment(currentMove - 1, commentList[currentMove]);
14580 ClearMap(); // [HGM] exclude: invalidate map
14586 if (gameMode == IcsExamining && !pausing) {
14587 SendToICS(ics_prefix);
14588 SendToICS("backward\n");
14590 BackwardInner(currentMove - 1);
14597 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14598 /* to optimize, we temporarily turn off analysis mode while we undo
14599 * all the moves. Otherwise we get analysis output after each undo.
14601 if (first.analysisSupport) {
14602 SendToProgram("exit\nforce\n", &first);
14603 first.analyzing = FALSE;
14607 if (gameMode == IcsExamining && !pausing) {
14608 SendToICS(ics_prefix);
14609 SendToICS("backward 999999\n");
14611 BackwardInner(backwardMostMove);
14614 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14615 /* we have fed all the moves, so reactivate analysis mode */
14616 SendToProgram("analyze\n", &first);
14617 first.analyzing = TRUE;
14618 /*first.maybeThinking = TRUE;*/
14619 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14626 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14627 if (to >= forwardMostMove) to = forwardMostMove;
14628 if (to <= backwardMostMove) to = backwardMostMove;
14629 if (to < currentMove) {
14637 RevertEvent (Boolean annotate)
14639 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14642 if (gameMode != IcsExamining) {
14643 DisplayError(_("You are not examining a game"), 0);
14647 DisplayError(_("You can't revert while pausing"), 0);
14650 SendToICS(ics_prefix);
14651 SendToICS("revert\n");
14655 RetractMoveEvent ()
14657 switch (gameMode) {
14658 case MachinePlaysWhite:
14659 case MachinePlaysBlack:
14660 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14661 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14664 if (forwardMostMove < 2) return;
14665 currentMove = forwardMostMove = forwardMostMove - 2;
14666 whiteTimeRemaining = timeRemaining[0][currentMove];
14667 blackTimeRemaining = timeRemaining[1][currentMove];
14668 DisplayBothClocks();
14669 DisplayMove(currentMove - 1);
14670 ClearHighlights();/*!! could figure this out*/
14671 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14672 SendToProgram("remove\n", &first);
14673 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14676 case BeginningOfGame:
14680 case IcsPlayingWhite:
14681 case IcsPlayingBlack:
14682 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14683 SendToICS(ics_prefix);
14684 SendToICS("takeback 2\n");
14686 SendToICS(ics_prefix);
14687 SendToICS("takeback 1\n");
14696 ChessProgramState *cps;
14698 switch (gameMode) {
14699 case MachinePlaysWhite:
14700 if (!WhiteOnMove(forwardMostMove)) {
14701 DisplayError(_("It is your turn"), 0);
14706 case MachinePlaysBlack:
14707 if (WhiteOnMove(forwardMostMove)) {
14708 DisplayError(_("It is your turn"), 0);
14713 case TwoMachinesPlay:
14714 if (WhiteOnMove(forwardMostMove) ==
14715 (first.twoMachinesColor[0] == 'w')) {
14721 case BeginningOfGame:
14725 SendToProgram("?\n", cps);
14729 TruncateGameEvent ()
14732 if (gameMode != EditGame) return;
14739 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14740 if (forwardMostMove > currentMove) {
14741 if (gameInfo.resultDetails != NULL) {
14742 free(gameInfo.resultDetails);
14743 gameInfo.resultDetails = NULL;
14744 gameInfo.result = GameUnfinished;
14746 forwardMostMove = currentMove;
14747 HistorySet(parseList, backwardMostMove, forwardMostMove,
14755 if (appData.noChessProgram) return;
14756 switch (gameMode) {
14757 case MachinePlaysWhite:
14758 if (WhiteOnMove(forwardMostMove)) {
14759 DisplayError(_("Wait until your turn"), 0);
14763 case BeginningOfGame:
14764 case MachinePlaysBlack:
14765 if (!WhiteOnMove(forwardMostMove)) {
14766 DisplayError(_("Wait until your turn"), 0);
14771 DisplayError(_("No hint available"), 0);
14774 SendToProgram("hint\n", &first);
14775 hintRequested = TRUE;
14781 if (appData.noChessProgram) return;
14782 switch (gameMode) {
14783 case MachinePlaysWhite:
14784 if (WhiteOnMove(forwardMostMove)) {
14785 DisplayError(_("Wait until your turn"), 0);
14789 case BeginningOfGame:
14790 case MachinePlaysBlack:
14791 if (!WhiteOnMove(forwardMostMove)) {
14792 DisplayError(_("Wait until your turn"), 0);
14797 EditPositionDone(TRUE);
14799 case TwoMachinesPlay:
14804 SendToProgram("bk\n", &first);
14805 bookOutput[0] = NULLCHAR;
14806 bookRequested = TRUE;
14812 char *tags = PGNTags(&gameInfo);
14813 TagsPopUp(tags, CmailMsg());
14817 /* end button procedures */
14820 PrintPosition (FILE *fp, int move)
14824 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14825 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14826 char c = PieceToChar(boards[move][i][j]);
14827 fputc(c == 'x' ? '.' : c, fp);
14828 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14831 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14832 fprintf(fp, "white to play\n");
14834 fprintf(fp, "black to play\n");
14838 PrintOpponents (FILE *fp)
14840 if (gameInfo.white != NULL) {
14841 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14847 /* Find last component of program's own name, using some heuristics */
14849 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14852 int local = (strcmp(host, "localhost") == 0);
14853 while (!local && (p = strchr(prog, ';')) != NULL) {
14855 while (*p == ' ') p++;
14858 if (*prog == '"' || *prog == '\'') {
14859 q = strchr(prog + 1, *prog);
14861 q = strchr(prog, ' ');
14863 if (q == NULL) q = prog + strlen(prog);
14865 while (p >= prog && *p != '/' && *p != '\\') p--;
14867 if(p == prog && *p == '"') p++;
14869 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14870 memcpy(buf, p, q - p);
14871 buf[q - p] = NULLCHAR;
14879 TimeControlTagValue ()
14882 if (!appData.clockMode) {
14883 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14884 } else if (movesPerSession > 0) {
14885 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14886 } else if (timeIncrement == 0) {
14887 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14889 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14891 return StrSave(buf);
14897 /* This routine is used only for certain modes */
14898 VariantClass v = gameInfo.variant;
14899 ChessMove r = GameUnfinished;
14902 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14903 r = gameInfo.result;
14904 p = gameInfo.resultDetails;
14905 gameInfo.resultDetails = NULL;
14907 ClearGameInfo(&gameInfo);
14908 gameInfo.variant = v;
14910 switch (gameMode) {
14911 case MachinePlaysWhite:
14912 gameInfo.event = StrSave( appData.pgnEventHeader );
14913 gameInfo.site = StrSave(HostName());
14914 gameInfo.date = PGNDate();
14915 gameInfo.round = StrSave("-");
14916 gameInfo.white = StrSave(first.tidy);
14917 gameInfo.black = StrSave(UserName());
14918 gameInfo.timeControl = TimeControlTagValue();
14921 case MachinePlaysBlack:
14922 gameInfo.event = StrSave( appData.pgnEventHeader );
14923 gameInfo.site = StrSave(HostName());
14924 gameInfo.date = PGNDate();
14925 gameInfo.round = StrSave("-");
14926 gameInfo.white = StrSave(UserName());
14927 gameInfo.black = StrSave(first.tidy);
14928 gameInfo.timeControl = TimeControlTagValue();
14931 case TwoMachinesPlay:
14932 gameInfo.event = StrSave( appData.pgnEventHeader );
14933 gameInfo.site = StrSave(HostName());
14934 gameInfo.date = PGNDate();
14937 snprintf(buf, MSG_SIZ, "%d", roundNr);
14938 gameInfo.round = StrSave(buf);
14940 gameInfo.round = StrSave("-");
14942 if (first.twoMachinesColor[0] == 'w') {
14943 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14944 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14946 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14947 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14949 gameInfo.timeControl = TimeControlTagValue();
14953 gameInfo.event = StrSave("Edited game");
14954 gameInfo.site = StrSave(HostName());
14955 gameInfo.date = PGNDate();
14956 gameInfo.round = StrSave("-");
14957 gameInfo.white = StrSave("-");
14958 gameInfo.black = StrSave("-");
14959 gameInfo.result = r;
14960 gameInfo.resultDetails = p;
14964 gameInfo.event = StrSave("Edited position");
14965 gameInfo.site = StrSave(HostName());
14966 gameInfo.date = PGNDate();
14967 gameInfo.round = StrSave("-");
14968 gameInfo.white = StrSave("-");
14969 gameInfo.black = StrSave("-");
14972 case IcsPlayingWhite:
14973 case IcsPlayingBlack:
14978 case PlayFromGameFile:
14979 gameInfo.event = StrSave("Game from non-PGN file");
14980 gameInfo.site = StrSave(HostName());
14981 gameInfo.date = PGNDate();
14982 gameInfo.round = StrSave("-");
14983 gameInfo.white = StrSave("?");
14984 gameInfo.black = StrSave("?");
14993 ReplaceComment (int index, char *text)
14999 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15000 pvInfoList[index-1].depth == len &&
15001 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15002 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15003 while (*text == '\n') text++;
15004 len = strlen(text);
15005 while (len > 0 && text[len - 1] == '\n') len--;
15007 if (commentList[index] != NULL)
15008 free(commentList[index]);
15011 commentList[index] = NULL;
15014 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15015 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15016 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15017 commentList[index] = (char *) malloc(len + 2);
15018 strncpy(commentList[index], text, len);
15019 commentList[index][len] = '\n';
15020 commentList[index][len + 1] = NULLCHAR;
15022 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15024 commentList[index] = (char *) malloc(len + 7);
15025 safeStrCpy(commentList[index], "{\n", 3);
15026 safeStrCpy(commentList[index]+2, text, len+1);
15027 commentList[index][len+2] = NULLCHAR;
15028 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15029 strcat(commentList[index], "\n}\n");
15034 CrushCRs (char *text)
15042 if (ch == '\r') continue;
15044 } while (ch != '\0');
15048 AppendComment (int index, char *text, Boolean addBraces)
15049 /* addBraces tells if we should add {} */
15054 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15055 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15058 while (*text == '\n') text++;
15059 len = strlen(text);
15060 while (len > 0 && text[len - 1] == '\n') len--;
15061 text[len] = NULLCHAR;
15063 if (len == 0) return;
15065 if (commentList[index] != NULL) {
15066 Boolean addClosingBrace = addBraces;
15067 old = commentList[index];
15068 oldlen = strlen(old);
15069 while(commentList[index][oldlen-1] == '\n')
15070 commentList[index][--oldlen] = NULLCHAR;
15071 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15072 safeStrCpy(commentList[index], old, oldlen + len + 6);
15074 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15075 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15076 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15077 while (*text == '\n') { text++; len--; }
15078 commentList[index][--oldlen] = NULLCHAR;
15080 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15081 else strcat(commentList[index], "\n");
15082 strcat(commentList[index], text);
15083 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15084 else strcat(commentList[index], "\n");
15086 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15088 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15089 else commentList[index][0] = NULLCHAR;
15090 strcat(commentList[index], text);
15091 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15092 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15097 FindStr (char * text, char * sub_text)
15099 char * result = strstr( text, sub_text );
15101 if( result != NULL ) {
15102 result += strlen( sub_text );
15108 /* [AS] Try to extract PV info from PGN comment */
15109 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15111 GetInfoFromComment (int index, char * text)
15113 char * sep = text, *p;
15115 if( text != NULL && index > 0 ) {
15118 int time = -1, sec = 0, deci;
15119 char * s_eval = FindStr( text, "[%eval " );
15120 char * s_emt = FindStr( text, "[%emt " );
15122 if( s_eval != NULL || s_emt != NULL ) {
15126 if( s_eval != NULL ) {
15127 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15131 if( delim != ']' ) {
15136 if( s_emt != NULL ) {
15141 /* We expect something like: [+|-]nnn.nn/dd */
15144 if(*text != '{') return text; // [HGM] braces: must be normal comment
15146 sep = strchr( text, '/' );
15147 if( sep == NULL || sep < (text+4) ) {
15152 if(p[1] == '(') { // comment starts with PV
15153 p = strchr(p, ')'); // locate end of PV
15154 if(p == NULL || sep < p+5) return text;
15155 // at this point we have something like "{(.*) +0.23/6 ..."
15156 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15157 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15158 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15160 time = -1; sec = -1; deci = -1;
15161 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15162 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15163 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15164 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15168 if( score_lo < 0 || score_lo >= 100 ) {
15172 if(sec >= 0) time = 600*time + 10*sec; else
15173 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15175 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15177 /* [HGM] PV time: now locate end of PV info */
15178 while( *++sep >= '0' && *sep <= '9'); // strip depth
15180 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15182 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15184 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15185 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15196 pvInfoList[index-1].depth = depth;
15197 pvInfoList[index-1].score = score;
15198 pvInfoList[index-1].time = 10*time; // centi-sec
15199 if(*sep == '}') *sep = 0; else *--sep = '{';
15200 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15206 SendToProgram (char *message, ChessProgramState *cps)
15208 int count, outCount, error;
15211 if (cps->pr == NoProc) return;
15214 if (appData.debugMode) {
15217 fprintf(debugFP, "%ld >%-6s: %s",
15218 SubtractTimeMarks(&now, &programStartTime),
15219 cps->which, message);
15221 fprintf(serverFP, "%ld >%-6s: %s",
15222 SubtractTimeMarks(&now, &programStartTime),
15223 cps->which, message), fflush(serverFP);
15226 count = strlen(message);
15227 outCount = OutputToProcess(cps->pr, message, count, &error);
15228 if (outCount < count && !exiting
15229 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15230 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15231 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15232 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15233 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15234 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15235 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15236 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15238 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15239 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15240 gameInfo.result = res;
15242 gameInfo.resultDetails = StrSave(buf);
15244 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15245 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15250 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15254 ChessProgramState *cps = (ChessProgramState *)closure;
15256 if (isr != cps->isr) return; /* Killed intentionally */
15259 RemoveInputSource(cps->isr);
15260 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15261 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15262 _(cps->which), cps->program);
15263 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15264 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15265 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15266 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15267 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15269 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15270 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15271 gameInfo.result = res;
15273 gameInfo.resultDetails = StrSave(buf);
15275 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15276 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15278 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15279 _(cps->which), cps->program);
15280 RemoveInputSource(cps->isr);
15282 /* [AS] Program is misbehaving badly... kill it */
15283 if( count == -2 ) {
15284 DestroyChildProcess( cps->pr, 9 );
15288 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15293 if ((end_str = strchr(message, '\r')) != NULL)
15294 *end_str = NULLCHAR;
15295 if ((end_str = strchr(message, '\n')) != NULL)
15296 *end_str = NULLCHAR;
15298 if (appData.debugMode) {
15299 TimeMark now; int print = 1;
15300 char *quote = ""; char c; int i;
15302 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15303 char start = message[0];
15304 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15305 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15306 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15307 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15308 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15309 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15310 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15311 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15312 sscanf(message, "hint: %c", &c)!=1 &&
15313 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15314 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15315 print = (appData.engineComments >= 2);
15317 message[0] = start; // restore original message
15321 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15322 SubtractTimeMarks(&now, &programStartTime), cps->which,
15326 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15327 SubtractTimeMarks(&now, &programStartTime), cps->which,
15329 message), fflush(serverFP);
15333 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15334 if (appData.icsEngineAnalyze) {
15335 if (strstr(message, "whisper") != NULL ||
15336 strstr(message, "kibitz") != NULL ||
15337 strstr(message, "tellics") != NULL) return;
15340 HandleMachineMove(message, cps);
15345 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15350 if( timeControl_2 > 0 ) {
15351 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15352 tc = timeControl_2;
15355 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15356 inc /= cps->timeOdds;
15357 st /= cps->timeOdds;
15359 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15362 /* Set exact time per move, normally using st command */
15363 if (cps->stKludge) {
15364 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15366 if (seconds == 0) {
15367 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15369 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15372 snprintf(buf, MSG_SIZ, "st %d\n", st);
15375 /* Set conventional or incremental time control, using level command */
15376 if (seconds == 0) {
15377 /* Note old gnuchess bug -- minutes:seconds used to not work.
15378 Fixed in later versions, but still avoid :seconds
15379 when seconds is 0. */
15380 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15382 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15383 seconds, inc/1000.);
15386 SendToProgram(buf, cps);
15388 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15389 /* Orthogonally, limit search to given depth */
15391 if (cps->sdKludge) {
15392 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15394 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15396 SendToProgram(buf, cps);
15399 if(cps->nps >= 0) { /* [HGM] nps */
15400 if(cps->supportsNPS == FALSE)
15401 cps->nps = -1; // don't use if engine explicitly says not supported!
15403 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15404 SendToProgram(buf, cps);
15409 ChessProgramState *
15411 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15413 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15414 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15420 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15422 char message[MSG_SIZ];
15425 /* Note: this routine must be called when the clocks are stopped
15426 or when they have *just* been set or switched; otherwise
15427 it will be off by the time since the current tick started.
15429 if (machineWhite) {
15430 time = whiteTimeRemaining / 10;
15431 otime = blackTimeRemaining / 10;
15433 time = blackTimeRemaining / 10;
15434 otime = whiteTimeRemaining / 10;
15436 /* [HGM] translate opponent's time by time-odds factor */
15437 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15439 if (time <= 0) time = 1;
15440 if (otime <= 0) otime = 1;
15442 snprintf(message, MSG_SIZ, "time %ld\n", time);
15443 SendToProgram(message, cps);
15445 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15446 SendToProgram(message, cps);
15450 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15453 int len = strlen(name);
15456 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15458 sscanf(*p, "%d", &val);
15460 while (**p && **p != ' ')
15462 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15463 SendToProgram(buf, cps);
15470 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15473 int len = strlen(name);
15474 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15476 sscanf(*p, "%d", loc);
15477 while (**p && **p != ' ') (*p)++;
15478 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15479 SendToProgram(buf, cps);
15486 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15489 int len = strlen(name);
15490 if (strncmp((*p), name, len) == 0
15491 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15493 sscanf(*p, "%[^\"]", loc);
15494 while (**p && **p != '\"') (*p)++;
15495 if (**p == '\"') (*p)++;
15496 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15497 SendToProgram(buf, cps);
15504 ParseOption (Option *opt, ChessProgramState *cps)
15505 // [HGM] options: process the string that defines an engine option, and determine
15506 // name, type, default value, and allowed value range
15508 char *p, *q, buf[MSG_SIZ];
15509 int n, min = (-1)<<31, max = 1<<31, def;
15511 if(p = strstr(opt->name, " -spin ")) {
15512 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15513 if(max < min) max = min; // enforce consistency
15514 if(def < min) def = min;
15515 if(def > max) def = max;
15520 } else if((p = strstr(opt->name, " -slider "))) {
15521 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15522 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15523 if(max < min) max = min; // enforce consistency
15524 if(def < min) def = min;
15525 if(def > max) def = max;
15529 opt->type = Spin; // Slider;
15530 } else if((p = strstr(opt->name, " -string "))) {
15531 opt->textValue = p+9;
15532 opt->type = TextBox;
15533 } else if((p = strstr(opt->name, " -file "))) {
15534 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15535 opt->textValue = p+7;
15536 opt->type = FileName; // FileName;
15537 } else if((p = strstr(opt->name, " -path "))) {
15538 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15539 opt->textValue = p+7;
15540 opt->type = PathName; // PathName;
15541 } else if(p = strstr(opt->name, " -check ")) {
15542 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15543 opt->value = (def != 0);
15544 opt->type = CheckBox;
15545 } else if(p = strstr(opt->name, " -combo ")) {
15546 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15547 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15548 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15549 opt->value = n = 0;
15550 while(q = StrStr(q, " /// ")) {
15551 n++; *q = 0; // count choices, and null-terminate each of them
15553 if(*q == '*') { // remember default, which is marked with * prefix
15557 cps->comboList[cps->comboCnt++] = q;
15559 cps->comboList[cps->comboCnt++] = NULL;
15561 opt->type = ComboBox;
15562 } else if(p = strstr(opt->name, " -button")) {
15563 opt->type = Button;
15564 } else if(p = strstr(opt->name, " -save")) {
15565 opt->type = SaveButton;
15566 } else return FALSE;
15567 *p = 0; // terminate option name
15568 // now look if the command-line options define a setting for this engine option.
15569 if(cps->optionSettings && cps->optionSettings[0])
15570 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15571 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15572 snprintf(buf, MSG_SIZ, "option %s", p);
15573 if(p = strstr(buf, ",")) *p = 0;
15574 if(q = strchr(buf, '=')) switch(opt->type) {
15576 for(n=0; n<opt->max; n++)
15577 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15580 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15584 opt->value = atoi(q+1);
15589 SendToProgram(buf, cps);
15595 FeatureDone (ChessProgramState *cps, int val)
15597 DelayedEventCallback cb = GetDelayedEvent();
15598 if ((cb == InitBackEnd3 && cps == &first) ||
15599 (cb == SettingsMenuIfReady && cps == &second) ||
15600 (cb == LoadEngine) ||
15601 (cb == TwoMachinesEventIfReady)) {
15602 CancelDelayedEvent();
15603 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15605 cps->initDone = val;
15608 /* Parse feature command from engine */
15610 ParseFeatures (char *args, ChessProgramState *cps)
15618 while (*p == ' ') p++;
15619 if (*p == NULLCHAR) return;
15621 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15622 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15623 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15624 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15625 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15626 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15627 if (BoolFeature(&p, "reuse", &val, cps)) {
15628 /* Engine can disable reuse, but can't enable it if user said no */
15629 if (!val) cps->reuse = FALSE;
15632 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15633 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15634 if (gameMode == TwoMachinesPlay) {
15635 DisplayTwoMachinesTitle();
15641 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15642 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15643 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15644 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15645 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15646 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15647 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15648 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15649 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15650 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15651 if (IntFeature(&p, "done", &val, cps)) {
15652 FeatureDone(cps, val);
15655 /* Added by Tord: */
15656 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15657 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15658 /* End of additions by Tord */
15660 /* [HGM] added features: */
15661 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15662 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15663 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15664 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15665 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15666 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15667 if (StringFeature(&p, "option", buf, cps)) {
15668 FREE(cps->option[cps->nrOptions].name);
15669 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15670 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15671 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15672 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15673 SendToProgram(buf, cps);
15676 if(cps->nrOptions >= MAX_OPTIONS) {
15678 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15679 DisplayError(buf, 0);
15683 /* End of additions by HGM */
15685 /* unknown feature: complain and skip */
15687 while (*q && *q != '=') q++;
15688 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15689 SendToProgram(buf, cps);
15695 while (*p && *p != '\"') p++;
15696 if (*p == '\"') p++;
15698 while (*p && *p != ' ') p++;
15706 PeriodicUpdatesEvent (int newState)
15708 if (newState == appData.periodicUpdates)
15711 appData.periodicUpdates=newState;
15713 /* Display type changes, so update it now */
15714 // DisplayAnalysis();
15716 /* Get the ball rolling again... */
15718 AnalysisPeriodicEvent(1);
15719 StartAnalysisClock();
15724 PonderNextMoveEvent (int newState)
15726 if (newState == appData.ponderNextMove) return;
15727 if (gameMode == EditPosition) EditPositionDone(TRUE);
15729 SendToProgram("hard\n", &first);
15730 if (gameMode == TwoMachinesPlay) {
15731 SendToProgram("hard\n", &second);
15734 SendToProgram("easy\n", &first);
15735 thinkOutput[0] = NULLCHAR;
15736 if (gameMode == TwoMachinesPlay) {
15737 SendToProgram("easy\n", &second);
15740 appData.ponderNextMove = newState;
15744 NewSettingEvent (int option, int *feature, char *command, int value)
15748 if (gameMode == EditPosition) EditPositionDone(TRUE);
15749 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15750 if(feature == NULL || *feature) SendToProgram(buf, &first);
15751 if (gameMode == TwoMachinesPlay) {
15752 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15757 ShowThinkingEvent ()
15758 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15760 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15761 int newState = appData.showThinking
15762 // [HGM] thinking: other features now need thinking output as well
15763 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15765 if (oldState == newState) return;
15766 oldState = newState;
15767 if (gameMode == EditPosition) EditPositionDone(TRUE);
15769 SendToProgram("post\n", &first);
15770 if (gameMode == TwoMachinesPlay) {
15771 SendToProgram("post\n", &second);
15774 SendToProgram("nopost\n", &first);
15775 thinkOutput[0] = NULLCHAR;
15776 if (gameMode == TwoMachinesPlay) {
15777 SendToProgram("nopost\n", &second);
15780 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15784 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15786 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15787 if (pr == NoProc) return;
15788 AskQuestion(title, question, replyPrefix, pr);
15792 TypeInEvent (char firstChar)
15794 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15795 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15796 gameMode == AnalyzeMode || gameMode == EditGame ||
15797 gameMode == EditPosition || gameMode == IcsExamining ||
15798 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15799 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15800 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15801 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15802 gameMode == Training) PopUpMoveDialog(firstChar);
15806 TypeInDoneEvent (char *move)
15809 int n, fromX, fromY, toX, toY;
15811 ChessMove moveType;
15814 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15815 EditPositionPasteFEN(move);
15818 // [HGM] movenum: allow move number to be typed in any mode
15819 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15823 // undocumented kludge: allow command-line option to be typed in!
15824 // (potentially fatal, and does not implement the effect of the option.)
15825 // should only be used for options that are values on which future decisions will be made,
15826 // and definitely not on options that would be used during initialization.
15827 if(strstr(move, "!!! -") == move) {
15828 ParseArgsFromString(move+4);
15832 if (gameMode != EditGame && currentMove != forwardMostMove &&
15833 gameMode != Training) {
15834 DisplayMoveError(_("Displayed move is not current"));
15836 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15837 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15838 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15839 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15840 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15841 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15843 DisplayMoveError(_("Could not parse move"));
15849 DisplayMove (int moveNumber)
15851 char message[MSG_SIZ];
15853 char cpThinkOutput[MSG_SIZ];
15855 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15857 if (moveNumber == forwardMostMove - 1 ||
15858 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15860 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15862 if (strchr(cpThinkOutput, '\n')) {
15863 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15866 *cpThinkOutput = NULLCHAR;
15869 /* [AS] Hide thinking from human user */
15870 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15871 *cpThinkOutput = NULLCHAR;
15872 if( thinkOutput[0] != NULLCHAR ) {
15875 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15876 cpThinkOutput[i] = '.';
15878 cpThinkOutput[i] = NULLCHAR;
15879 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15883 if (moveNumber == forwardMostMove - 1 &&
15884 gameInfo.resultDetails != NULL) {
15885 if (gameInfo.resultDetails[0] == NULLCHAR) {
15886 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15888 snprintf(res, MSG_SIZ, " {%s} %s",
15889 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15895 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15896 DisplayMessage(res, cpThinkOutput);
15898 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15899 WhiteOnMove(moveNumber) ? " " : ".. ",
15900 parseList[moveNumber], res);
15901 DisplayMessage(message, cpThinkOutput);
15906 DisplayComment (int moveNumber, char *text)
15908 char title[MSG_SIZ];
15910 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15911 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15913 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15914 WhiteOnMove(moveNumber) ? " " : ".. ",
15915 parseList[moveNumber]);
15917 if (text != NULL && (appData.autoDisplayComment || commentUp))
15918 CommentPopUp(title, text);
15921 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15922 * might be busy thinking or pondering. It can be omitted if your
15923 * gnuchess is configured to stop thinking immediately on any user
15924 * input. However, that gnuchess feature depends on the FIONREAD
15925 * ioctl, which does not work properly on some flavors of Unix.
15928 Attention (ChessProgramState *cps)
15931 if (!cps->useSigint) return;
15932 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15933 switch (gameMode) {
15934 case MachinePlaysWhite:
15935 case MachinePlaysBlack:
15936 case TwoMachinesPlay:
15937 case IcsPlayingWhite:
15938 case IcsPlayingBlack:
15941 /* Skip if we know it isn't thinking */
15942 if (!cps->maybeThinking) return;
15943 if (appData.debugMode)
15944 fprintf(debugFP, "Interrupting %s\n", cps->which);
15945 InterruptChildProcess(cps->pr);
15946 cps->maybeThinking = FALSE;
15951 #endif /*ATTENTION*/
15957 if (whiteTimeRemaining <= 0) {
15960 if (appData.icsActive) {
15961 if (appData.autoCallFlag &&
15962 gameMode == IcsPlayingBlack && !blackFlag) {
15963 SendToICS(ics_prefix);
15964 SendToICS("flag\n");
15968 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15970 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15971 if (appData.autoCallFlag) {
15972 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15979 if (blackTimeRemaining <= 0) {
15982 if (appData.icsActive) {
15983 if (appData.autoCallFlag &&
15984 gameMode == IcsPlayingWhite && !whiteFlag) {
15985 SendToICS(ics_prefix);
15986 SendToICS("flag\n");
15990 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15992 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15993 if (appData.autoCallFlag) {
15994 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16005 CheckTimeControl ()
16007 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16008 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16011 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16013 if ( !WhiteOnMove(forwardMostMove) ) {
16014 /* White made time control */
16015 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16016 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16017 /* [HGM] time odds: correct new time quota for time odds! */
16018 / WhitePlayer()->timeOdds;
16019 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16021 lastBlack -= blackTimeRemaining;
16022 /* Black made time control */
16023 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16024 / WhitePlayer()->other->timeOdds;
16025 lastWhite = whiteTimeRemaining;
16030 DisplayBothClocks ()
16032 int wom = gameMode == EditPosition ?
16033 !blackPlaysFirst : WhiteOnMove(currentMove);
16034 DisplayWhiteClock(whiteTimeRemaining, wom);
16035 DisplayBlackClock(blackTimeRemaining, !wom);
16039 /* Timekeeping seems to be a portability nightmare. I think everyone
16040 has ftime(), but I'm really not sure, so I'm including some ifdefs
16041 to use other calls if you don't. Clocks will be less accurate if
16042 you have neither ftime nor gettimeofday.
16045 /* VS 2008 requires the #include outside of the function */
16046 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16047 #include <sys/timeb.h>
16050 /* Get the current time as a TimeMark */
16052 GetTimeMark (TimeMark *tm)
16054 #if HAVE_GETTIMEOFDAY
16056 struct timeval timeVal;
16057 struct timezone timeZone;
16059 gettimeofday(&timeVal, &timeZone);
16060 tm->sec = (long) timeVal.tv_sec;
16061 tm->ms = (int) (timeVal.tv_usec / 1000L);
16063 #else /*!HAVE_GETTIMEOFDAY*/
16066 // include <sys/timeb.h> / moved to just above start of function
16067 struct timeb timeB;
16070 tm->sec = (long) timeB.time;
16071 tm->ms = (int) timeB.millitm;
16073 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16074 tm->sec = (long) time(NULL);
16080 /* Return the difference in milliseconds between two
16081 time marks. We assume the difference will fit in a long!
16084 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16086 return 1000L*(tm2->sec - tm1->sec) +
16087 (long) (tm2->ms - tm1->ms);
16092 * Code to manage the game clocks.
16094 * In tournament play, black starts the clock and then white makes a move.
16095 * We give the human user a slight advantage if he is playing white---the
16096 * clocks don't run until he makes his first move, so it takes zero time.
16097 * Also, we don't account for network lag, so we could get out of sync
16098 * with GNU Chess's clock -- but then, referees are always right.
16101 static TimeMark tickStartTM;
16102 static long intendedTickLength;
16105 NextTickLength (long timeRemaining)
16107 long nominalTickLength, nextTickLength;
16109 if (timeRemaining > 0L && timeRemaining <= 10000L)
16110 nominalTickLength = 100L;
16112 nominalTickLength = 1000L;
16113 nextTickLength = timeRemaining % nominalTickLength;
16114 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16116 return nextTickLength;
16119 /* Adjust clock one minute up or down */
16121 AdjustClock (Boolean which, int dir)
16123 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16124 if(which) blackTimeRemaining += 60000*dir;
16125 else whiteTimeRemaining += 60000*dir;
16126 DisplayBothClocks();
16127 adjustedClock = TRUE;
16130 /* Stop clocks and reset to a fresh time control */
16134 (void) StopClockTimer();
16135 if (appData.icsActive) {
16136 whiteTimeRemaining = blackTimeRemaining = 0;
16137 } else if (searchTime) {
16138 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16139 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16140 } else { /* [HGM] correct new time quote for time odds */
16141 whiteTC = blackTC = fullTimeControlString;
16142 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16143 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16145 if (whiteFlag || blackFlag) {
16147 whiteFlag = blackFlag = FALSE;
16149 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16150 DisplayBothClocks();
16151 adjustedClock = FALSE;
16154 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16156 /* Decrement running clock by amount of time that has passed */
16160 long timeRemaining;
16161 long lastTickLength, fudge;
16164 if (!appData.clockMode) return;
16165 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16169 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16171 /* Fudge if we woke up a little too soon */
16172 fudge = intendedTickLength - lastTickLength;
16173 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16175 if (WhiteOnMove(forwardMostMove)) {
16176 if(whiteNPS >= 0) lastTickLength = 0;
16177 timeRemaining = whiteTimeRemaining -= lastTickLength;
16178 if(timeRemaining < 0 && !appData.icsActive) {
16179 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16180 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16181 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16182 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16185 DisplayWhiteClock(whiteTimeRemaining - fudge,
16186 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16188 if(blackNPS >= 0) lastTickLength = 0;
16189 timeRemaining = blackTimeRemaining -= lastTickLength;
16190 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16191 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16193 blackStartMove = forwardMostMove;
16194 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16197 DisplayBlackClock(blackTimeRemaining - fudge,
16198 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16200 if (CheckFlags()) return;
16203 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16204 StartClockTimer(intendedTickLength);
16206 /* if the time remaining has fallen below the alarm threshold, sound the
16207 * alarm. if the alarm has sounded and (due to a takeback or time control
16208 * with increment) the time remaining has increased to a level above the
16209 * threshold, reset the alarm so it can sound again.
16212 if (appData.icsActive && appData.icsAlarm) {
16214 /* make sure we are dealing with the user's clock */
16215 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16216 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16219 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16220 alarmSounded = FALSE;
16221 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16223 alarmSounded = TRUE;
16229 /* A player has just moved, so stop the previously running
16230 clock and (if in clock mode) start the other one.
16231 We redisplay both clocks in case we're in ICS mode, because
16232 ICS gives us an update to both clocks after every move.
16233 Note that this routine is called *after* forwardMostMove
16234 is updated, so the last fractional tick must be subtracted
16235 from the color that is *not* on move now.
16238 SwitchClocks (int newMoveNr)
16240 long lastTickLength;
16242 int flagged = FALSE;
16246 if (StopClockTimer() && appData.clockMode) {
16247 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16248 if (!WhiteOnMove(forwardMostMove)) {
16249 if(blackNPS >= 0) lastTickLength = 0;
16250 blackTimeRemaining -= lastTickLength;
16251 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16252 // if(pvInfoList[forwardMostMove].time == -1)
16253 pvInfoList[forwardMostMove].time = // use GUI time
16254 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16256 if(whiteNPS >= 0) lastTickLength = 0;
16257 whiteTimeRemaining -= lastTickLength;
16258 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16259 // if(pvInfoList[forwardMostMove].time == -1)
16260 pvInfoList[forwardMostMove].time =
16261 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16263 flagged = CheckFlags();
16265 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16266 CheckTimeControl();
16268 if (flagged || !appData.clockMode) return;
16270 switch (gameMode) {
16271 case MachinePlaysBlack:
16272 case MachinePlaysWhite:
16273 case BeginningOfGame:
16274 if (pausing) return;
16278 case PlayFromGameFile:
16286 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16287 if(WhiteOnMove(forwardMostMove))
16288 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16289 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16293 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16294 whiteTimeRemaining : blackTimeRemaining);
16295 StartClockTimer(intendedTickLength);
16299 /* Stop both clocks */
16303 long lastTickLength;
16306 if (!StopClockTimer()) return;
16307 if (!appData.clockMode) return;
16311 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16312 if (WhiteOnMove(forwardMostMove)) {
16313 if(whiteNPS >= 0) lastTickLength = 0;
16314 whiteTimeRemaining -= lastTickLength;
16315 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16317 if(blackNPS >= 0) lastTickLength = 0;
16318 blackTimeRemaining -= lastTickLength;
16319 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16324 /* Start clock of player on move. Time may have been reset, so
16325 if clock is already running, stop and restart it. */
16329 (void) StopClockTimer(); /* in case it was running already */
16330 DisplayBothClocks();
16331 if (CheckFlags()) return;
16333 if (!appData.clockMode) return;
16334 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16336 GetTimeMark(&tickStartTM);
16337 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16338 whiteTimeRemaining : blackTimeRemaining);
16340 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16341 whiteNPS = blackNPS = -1;
16342 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16343 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16344 whiteNPS = first.nps;
16345 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16346 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16347 blackNPS = first.nps;
16348 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16349 whiteNPS = second.nps;
16350 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16351 blackNPS = second.nps;
16352 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16354 StartClockTimer(intendedTickLength);
16358 TimeString (long ms)
16360 long second, minute, hour, day;
16362 static char buf[32];
16364 if (ms > 0 && ms <= 9900) {
16365 /* convert milliseconds to tenths, rounding up */
16366 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16368 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16372 /* convert milliseconds to seconds, rounding up */
16373 /* use floating point to avoid strangeness of integer division
16374 with negative dividends on many machines */
16375 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16382 day = second / (60 * 60 * 24);
16383 second = second % (60 * 60 * 24);
16384 hour = second / (60 * 60);
16385 second = second % (60 * 60);
16386 minute = second / 60;
16387 second = second % 60;
16390 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16391 sign, day, hour, minute, second);
16393 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16395 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16402 * This is necessary because some C libraries aren't ANSI C compliant yet.
16405 StrStr (char *string, char *match)
16409 length = strlen(match);
16411 for (i = strlen(string) - length; i >= 0; i--, string++)
16412 if (!strncmp(match, string, length))
16419 StrCaseStr (char *string, char *match)
16423 length = strlen(match);
16425 for (i = strlen(string) - length; i >= 0; i--, string++) {
16426 for (j = 0; j < length; j++) {
16427 if (ToLower(match[j]) != ToLower(string[j]))
16430 if (j == length) return string;
16438 StrCaseCmp (char *s1, char *s2)
16443 c1 = ToLower(*s1++);
16444 c2 = ToLower(*s2++);
16445 if (c1 > c2) return 1;
16446 if (c1 < c2) return -1;
16447 if (c1 == NULLCHAR) return 0;
16455 return isupper(c) ? tolower(c) : c;
16462 return islower(c) ? toupper(c) : c;
16464 #endif /* !_amigados */
16471 if ((ret = (char *) malloc(strlen(s) + 1)))
16473 safeStrCpy(ret, s, strlen(s)+1);
16479 StrSavePtr (char *s, char **savePtr)
16484 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16485 safeStrCpy(*savePtr, s, strlen(s)+1);
16497 clock = time((time_t *)NULL);
16498 tm = localtime(&clock);
16499 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16500 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16501 return StrSave(buf);
16506 PositionToFEN (int move, char *overrideCastling)
16508 int i, j, fromX, fromY, toX, toY;
16515 whiteToPlay = (gameMode == EditPosition) ?
16516 !blackPlaysFirst : (move % 2 == 0);
16519 /* Piece placement data */
16520 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16521 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16523 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16524 if (boards[move][i][j] == EmptySquare) {
16526 } else { ChessSquare piece = boards[move][i][j];
16527 if (emptycount > 0) {
16528 if(emptycount<10) /* [HGM] can be >= 10 */
16529 *p++ = '0' + emptycount;
16530 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16533 if(PieceToChar(piece) == '+') {
16534 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16536 piece = (ChessSquare)(DEMOTED piece);
16538 *p++ = PieceToChar(piece);
16540 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16541 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16546 if (emptycount > 0) {
16547 if(emptycount<10) /* [HGM] can be >= 10 */
16548 *p++ = '0' + emptycount;
16549 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16556 /* [HGM] print Crazyhouse or Shogi holdings */
16557 if( gameInfo.holdingsWidth ) {
16558 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16560 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16561 piece = boards[move][i][BOARD_WIDTH-1];
16562 if( piece != EmptySquare )
16563 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16564 *p++ = PieceToChar(piece);
16566 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16567 piece = boards[move][BOARD_HEIGHT-i-1][0];
16568 if( piece != EmptySquare )
16569 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16570 *p++ = PieceToChar(piece);
16573 if( q == p ) *p++ = '-';
16579 *p++ = whiteToPlay ? 'w' : 'b';
16582 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16583 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16585 if(nrCastlingRights) {
16587 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16588 /* [HGM] write directly from rights */
16589 if(boards[move][CASTLING][2] != NoRights &&
16590 boards[move][CASTLING][0] != NoRights )
16591 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16592 if(boards[move][CASTLING][2] != NoRights &&
16593 boards[move][CASTLING][1] != NoRights )
16594 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16595 if(boards[move][CASTLING][5] != NoRights &&
16596 boards[move][CASTLING][3] != NoRights )
16597 *p++ = boards[move][CASTLING][3] + AAA;
16598 if(boards[move][CASTLING][5] != NoRights &&
16599 boards[move][CASTLING][4] != NoRights )
16600 *p++ = boards[move][CASTLING][4] + AAA;
16603 /* [HGM] write true castling rights */
16604 if( nrCastlingRights == 6 ) {
16605 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16606 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16607 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16608 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16609 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16610 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16611 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16612 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16615 if (q == p) *p++ = '-'; /* No castling rights */
16619 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16620 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16621 /* En passant target square */
16622 if (move > backwardMostMove) {
16623 fromX = moveList[move - 1][0] - AAA;
16624 fromY = moveList[move - 1][1] - ONE;
16625 toX = moveList[move - 1][2] - AAA;
16626 toY = moveList[move - 1][3] - ONE;
16627 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16628 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16629 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16631 /* 2-square pawn move just happened */
16633 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16637 } else if(move == backwardMostMove) {
16638 // [HGM] perhaps we should always do it like this, and forget the above?
16639 if((signed char)boards[move][EP_STATUS] >= 0) {
16640 *p++ = boards[move][EP_STATUS] + AAA;
16641 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16652 /* [HGM] find reversible plies */
16653 { int i = 0, j=move;
16655 if (appData.debugMode) { int k;
16656 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16657 for(k=backwardMostMove; k<=forwardMostMove; k++)
16658 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16662 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16663 if( j == backwardMostMove ) i += initialRulePlies;
16664 sprintf(p, "%d ", i);
16665 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16667 /* Fullmove number */
16668 sprintf(p, "%d", (move / 2) + 1);
16670 return StrSave(buf);
16674 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16683 /* [HGM] by default clear Crazyhouse holdings, if present */
16684 if(gameInfo.holdingsWidth) {
16685 for(i=0; i<BOARD_HEIGHT; i++) {
16686 board[i][0] = EmptySquare; /* black holdings */
16687 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16688 board[i][1] = (ChessSquare) 0; /* black counts */
16689 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16693 /* Piece placement data */
16694 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16697 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16698 if (*p == '/') p++;
16699 emptycount = gameInfo.boardWidth - j;
16700 while (emptycount--)
16701 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16703 #if(BOARD_FILES >= 10)
16704 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16705 p++; emptycount=10;
16706 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16707 while (emptycount--)
16708 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16710 } else if (isdigit(*p)) {
16711 emptycount = *p++ - '0';
16712 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16713 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16714 while (emptycount--)
16715 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16716 } else if (*p == '+' || isalpha(*p)) {
16717 if (j >= gameInfo.boardWidth) return FALSE;
16719 piece = CharToPiece(*++p);
16720 if(piece == EmptySquare) return FALSE; /* unknown piece */
16721 piece = (ChessSquare) (PROMOTED piece ); p++;
16722 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16723 } else piece = CharToPiece(*p++);
16725 if(piece==EmptySquare) return FALSE; /* unknown piece */
16726 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16727 piece = (ChessSquare) (PROMOTED piece);
16728 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16731 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16737 while (*p == '/' || *p == ' ') p++;
16739 /* [HGM] look for Crazyhouse holdings here */
16740 while(*p==' ') p++;
16741 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16743 if(*p == '-' ) p++; /* empty holdings */ else {
16744 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16745 /* if we would allow FEN reading to set board size, we would */
16746 /* have to add holdings and shift the board read so far here */
16747 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16749 if((int) piece >= (int) BlackPawn ) {
16750 i = (int)piece - (int)BlackPawn;
16751 i = PieceToNumber((ChessSquare)i);
16752 if( i >= gameInfo.holdingsSize ) return FALSE;
16753 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16754 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16756 i = (int)piece - (int)WhitePawn;
16757 i = PieceToNumber((ChessSquare)i);
16758 if( i >= gameInfo.holdingsSize ) return FALSE;
16759 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16760 board[i][BOARD_WIDTH-2]++; /* black holdings */
16767 while(*p == ' ') p++;
16771 if(appData.colorNickNames) {
16772 if( c == appData.colorNickNames[0] ) c = 'w'; else
16773 if( c == appData.colorNickNames[1] ) c = 'b';
16777 *blackPlaysFirst = FALSE;
16780 *blackPlaysFirst = TRUE;
16786 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16787 /* return the extra info in global variiables */
16789 /* set defaults in case FEN is incomplete */
16790 board[EP_STATUS] = EP_UNKNOWN;
16791 for(i=0; i<nrCastlingRights; i++ ) {
16792 board[CASTLING][i] =
16793 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16794 } /* assume possible unless obviously impossible */
16795 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16796 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16797 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16798 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16799 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16800 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16801 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16802 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16805 while(*p==' ') p++;
16806 if(nrCastlingRights) {
16807 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16808 /* castling indicator present, so default becomes no castlings */
16809 for(i=0; i<nrCastlingRights; i++ ) {
16810 board[CASTLING][i] = NoRights;
16813 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16814 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16815 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16816 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16817 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16819 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16820 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16821 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16823 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16824 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16825 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16826 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16827 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16828 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16831 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16832 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16833 board[CASTLING][2] = whiteKingFile;
16836 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16837 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16838 board[CASTLING][2] = whiteKingFile;
16841 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16842 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16843 board[CASTLING][5] = blackKingFile;
16846 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16847 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16848 board[CASTLING][5] = blackKingFile;
16851 default: /* FRC castlings */
16852 if(c >= 'a') { /* black rights */
16853 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16854 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16855 if(i == BOARD_RGHT) break;
16856 board[CASTLING][5] = i;
16858 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16859 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16861 board[CASTLING][3] = c;
16863 board[CASTLING][4] = c;
16864 } else { /* white rights */
16865 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16866 if(board[0][i] == WhiteKing) break;
16867 if(i == BOARD_RGHT) break;
16868 board[CASTLING][2] = i;
16869 c -= AAA - 'a' + 'A';
16870 if(board[0][c] >= WhiteKing) break;
16872 board[CASTLING][0] = c;
16874 board[CASTLING][1] = c;
16878 for(i=0; i<nrCastlingRights; i++)
16879 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16880 if (appData.debugMode) {
16881 fprintf(debugFP, "FEN castling rights:");
16882 for(i=0; i<nrCastlingRights; i++)
16883 fprintf(debugFP, " %d", board[CASTLING][i]);
16884 fprintf(debugFP, "\n");
16887 while(*p==' ') p++;
16890 /* read e.p. field in games that know e.p. capture */
16891 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16892 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16894 p++; board[EP_STATUS] = EP_NONE;
16896 char c = *p++ - AAA;
16898 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16899 if(*p >= '0' && *p <='9') p++;
16900 board[EP_STATUS] = c;
16905 if(sscanf(p, "%d", &i) == 1) {
16906 FENrulePlies = i; /* 50-move ply counter */
16907 /* (The move number is still ignored) */
16914 EditPositionPasteFEN (char *fen)
16917 Board initial_position;
16919 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16920 DisplayError(_("Bad FEN position in clipboard"), 0);
16923 int savedBlackPlaysFirst = blackPlaysFirst;
16924 EditPositionEvent();
16925 blackPlaysFirst = savedBlackPlaysFirst;
16926 CopyBoard(boards[0], initial_position);
16927 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16928 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16929 DisplayBothClocks();
16930 DrawPosition(FALSE, boards[currentMove]);
16935 static char cseq[12] = "\\ ";
16938 set_cont_sequence (char *new_seq)
16943 // handle bad attempts to set the sequence
16945 return 0; // acceptable error - no debug
16947 len = strlen(new_seq);
16948 ret = (len > 0) && (len < sizeof(cseq));
16950 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16951 else if (appData.debugMode)
16952 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16957 reformat a source message so words don't cross the width boundary. internal
16958 newlines are not removed. returns the wrapped size (no null character unless
16959 included in source message). If dest is NULL, only calculate the size required
16960 for the dest buffer. lp argument indicats line position upon entry, and it's
16961 passed back upon exit.
16964 wrap (char *dest, char *src, int count, int width, int *lp)
16966 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16968 cseq_len = strlen(cseq);
16969 old_line = line = *lp;
16970 ansi = len = clen = 0;
16972 for (i=0; i < count; i++)
16974 if (src[i] == '\033')
16977 // if we hit the width, back up
16978 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16980 // store i & len in case the word is too long
16981 old_i = i, old_len = len;
16983 // find the end of the last word
16984 while (i && src[i] != ' ' && src[i] != '\n')
16990 // word too long? restore i & len before splitting it
16991 if ((old_i-i+clen) >= width)
16998 if (i && src[i-1] == ' ')
17001 if (src[i] != ' ' && src[i] != '\n')
17008 // now append the newline and continuation sequence
17013 strncpy(dest+len, cseq, cseq_len);
17021 dest[len] = src[i];
17025 if (src[i] == '\n')
17030 if (dest && appData.debugMode)
17032 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17033 count, width, line, len, *lp);
17034 show_bytes(debugFP, src, count);
17035 fprintf(debugFP, "\ndest: ");
17036 show_bytes(debugFP, dest, len);
17037 fprintf(debugFP, "\n");
17039 *lp = dest ? line : old_line;
17044 // [HGM] vari: routines for shelving variations
17045 Boolean modeRestore = FALSE;
17048 PushInner (int firstMove, int lastMove)
17050 int i, j, nrMoves = lastMove - firstMove;
17052 // push current tail of game on stack
17053 savedResult[storedGames] = gameInfo.result;
17054 savedDetails[storedGames] = gameInfo.resultDetails;
17055 gameInfo.resultDetails = NULL;
17056 savedFirst[storedGames] = firstMove;
17057 savedLast [storedGames] = lastMove;
17058 savedFramePtr[storedGames] = framePtr;
17059 framePtr -= nrMoves; // reserve space for the boards
17060 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17061 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17062 for(j=0; j<MOVE_LEN; j++)
17063 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17064 for(j=0; j<2*MOVE_LEN; j++)
17065 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17066 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17067 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17068 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17069 pvInfoList[firstMove+i-1].depth = 0;
17070 commentList[framePtr+i] = commentList[firstMove+i];
17071 commentList[firstMove+i] = NULL;
17075 forwardMostMove = firstMove; // truncate game so we can start variation
17079 PushTail (int firstMove, int lastMove)
17081 if(appData.icsActive) { // only in local mode
17082 forwardMostMove = currentMove; // mimic old ICS behavior
17085 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17087 PushInner(firstMove, lastMove);
17088 if(storedGames == 1) GreyRevert(FALSE);
17089 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17093 PopInner (Boolean annotate)
17096 char buf[8000], moveBuf[20];
17098 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17099 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17100 nrMoves = savedLast[storedGames] - currentMove;
17103 if(!WhiteOnMove(currentMove))
17104 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17105 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17106 for(i=currentMove; i<forwardMostMove; i++) {
17108 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17109 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17110 strcat(buf, moveBuf);
17111 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17112 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17116 for(i=1; i<=nrMoves; i++) { // copy last variation back
17117 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17118 for(j=0; j<MOVE_LEN; j++)
17119 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17120 for(j=0; j<2*MOVE_LEN; j++)
17121 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17122 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17123 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17124 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17125 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17126 commentList[currentMove+i] = commentList[framePtr+i];
17127 commentList[framePtr+i] = NULL;
17129 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17130 framePtr = savedFramePtr[storedGames];
17131 gameInfo.result = savedResult[storedGames];
17132 if(gameInfo.resultDetails != NULL) {
17133 free(gameInfo.resultDetails);
17135 gameInfo.resultDetails = savedDetails[storedGames];
17136 forwardMostMove = currentMove + nrMoves;
17140 PopTail (Boolean annotate)
17142 if(appData.icsActive) return FALSE; // only in local mode
17143 if(!storedGames) return FALSE; // sanity
17144 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17146 PopInner(annotate);
17147 if(currentMove < forwardMostMove) ForwardEvent(); else
17148 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17150 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17156 { // remove all shelved variations
17158 for(i=0; i<storedGames; i++) {
17159 if(savedDetails[i])
17160 free(savedDetails[i]);
17161 savedDetails[i] = NULL;
17163 for(i=framePtr; i<MAX_MOVES; i++) {
17164 if(commentList[i]) free(commentList[i]);
17165 commentList[i] = NULL;
17167 framePtr = MAX_MOVES-1;
17172 LoadVariation (int index, char *text)
17173 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17174 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17175 int level = 0, move;
17177 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17178 // first find outermost bracketing variation
17179 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17180 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17181 if(*p == '{') wait = '}'; else
17182 if(*p == '[') wait = ']'; else
17183 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17184 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17186 if(*p == wait) wait = NULLCHAR; // closing ]} found
17189 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17190 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17191 end[1] = NULLCHAR; // clip off comment beyond variation
17192 ToNrEvent(currentMove-1);
17193 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17194 // kludge: use ParsePV() to append variation to game
17195 move = currentMove;
17196 ParsePV(start, TRUE, TRUE);
17197 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17198 ClearPremoveHighlights();
17200 ToNrEvent(currentMove+1);