2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void SendToICS P((char *s));
156 void SendToICSDelayed P((char *s, long msdelay));
157 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
158 void HandleMachineMove P((char *message, ChessProgramState *cps));
159 int AutoPlayOneMove P((void));
160 int LoadGameOneMove P((ChessMove readAhead));
161 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
162 int LoadPositionFromFile P((char *filename, int n, char *title));
163 int SavePositionToFile P((char *filename));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 int ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 int RegisterMove P((void));
199 void MakeRegisteredMove P((void));
200 void TruncateGame P((void));
201 int looking_at P((char *, int *, char *));
202 void CopyPlayerNameIntoFileName P((char **, char *));
203 char *SavePart P((char *));
204 int SaveGameOldStyle P((FILE *));
205 int SaveGamePGN P((FILE *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps, int setup));
215 void OutputKibitz(int window, char *text);
216 int PerpetualChase(int first, int last);
217 int EngineOutputIsUp();
218 void InitDrawingSizes(int x, int y);
219 void NextMatchGame P((void));
220 int NextTourneyGame P((int nr, int *swap));
221 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
222 FILE *WriteTourneyFile P((char *results, FILE *f));
223 void DisplayTwoMachinesTitle P(());
224 static void ExcludeClick P((int index));
225 void ToggleSecond P((void));
228 extern void ConsoleCreate();
231 ChessProgramState *WhitePlayer();
232 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
233 int VerifyDisplayMode P(());
235 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
236 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
237 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
238 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
239 void ics_update_width P((int new_width));
240 extern char installDir[MSG_SIZ];
241 VariantClass startVariant; /* [HGM] nicks: initial variant */
244 extern int tinyLayout, smallLayout;
245 ChessProgramStats programStats;
246 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
248 static int exiting = 0; /* [HGM] moved to top */
249 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
250 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
251 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
252 int partnerHighlight[2];
253 Boolean partnerBoardValid = 0;
254 char partnerStatus[MSG_SIZ];
256 Boolean originalFlip;
257 Boolean twoBoards = 0;
258 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
259 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
260 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
261 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
262 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
263 int opponentKibitzes;
264 int lastSavedGame; /* [HGM] save: ID of game */
265 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
266 extern int chatCount;
268 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
269 char lastMsg[MSG_SIZ];
270 ChessSquare pieceSweep = EmptySquare;
271 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
272 int promoDefaultAltered;
274 /* States for ics_getting_history */
276 #define H_REQUESTED 1
277 #define H_GOT_REQ_HEADER 2
278 #define H_GOT_UNREQ_HEADER 3
279 #define H_GETTING_MOVES 4
280 #define H_GOT_UNWANTED_HEADER 5
282 /* whosays values for GameEnds */
291 /* Maximum number of games in a cmail message */
292 #define CMAIL_MAX_GAMES 20
294 /* Different types of move when calling RegisterMove */
296 #define CMAIL_RESIGN 1
298 #define CMAIL_ACCEPT 3
300 /* Different types of result to remember for each game */
301 #define CMAIL_NOT_RESULT 0
302 #define CMAIL_OLD_RESULT 1
303 #define CMAIL_NEW_RESULT 2
305 /* Telnet protocol constants */
316 safeStrCpy (char *dst, const char *src, size_t count)
319 assert( dst != NULL );
320 assert( src != NULL );
323 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
324 if( i == count && dst[count-1] != NULLCHAR)
326 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
327 if(appData.debugMode)
328 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
334 /* Some compiler can't cast u64 to double
335 * This function do the job for us:
337 * We use the highest bit for cast, this only
338 * works if the highest bit is not
339 * in use (This should not happen)
341 * We used this for all compiler
344 u64ToDouble (u64 value)
347 u64 tmp = value & u64Const(0x7fffffffffffffff);
348 r = (double)(s64)tmp;
349 if (value & u64Const(0x8000000000000000))
350 r += 9.2233720368547758080e18; /* 2^63 */
354 /* Fake up flags for now, as we aren't keeping track of castling
355 availability yet. [HGM] Change of logic: the flag now only
356 indicates the type of castlings allowed by the rule of the game.
357 The actual rights themselves are maintained in the array
358 castlingRights, as part of the game history, and are not probed
364 int flags = F_ALL_CASTLE_OK;
365 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
366 switch (gameInfo.variant) {
368 flags &= ~F_ALL_CASTLE_OK;
369 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
370 flags |= F_IGNORE_CHECK;
372 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
375 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
377 case VariantKriegspiel:
378 flags |= F_KRIEGSPIEL_CAPTURE;
380 case VariantCapaRandom:
381 case VariantFischeRandom:
382 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
383 case VariantNoCastle:
384 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP, *serverFP;
397 char *currentDebugFile; // [HGM] debug split: to remember name
400 [AS] Note: sometimes, the sscanf() function is used to parse the input
401 into a fixed-size buffer. Because of this, we must be prepared to
402 receive strings as long as the size of the input buffer, which is currently
403 set to 4K for Windows and 8K for the rest.
404 So, we must either allocate sufficiently large buffers here, or
405 reduce the size of the input buffer in the input reading part.
408 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
409 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
410 char thinkOutput1[MSG_SIZ*10];
412 ChessProgramState first, second, pairing;
414 /* premove variables */
417 int premoveFromX = 0;
418 int premoveFromY = 0;
419 int premovePromoChar = 0;
421 Boolean alarmSounded;
422 /* end premove variables */
424 char *ics_prefix = "$";
425 enum ICS_TYPE ics_type = ICS_GENERIC;
427 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
428 int pauseExamForwardMostMove = 0;
429 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
430 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
431 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
432 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
433 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
434 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
435 int whiteFlag = FALSE, blackFlag = FALSE;
436 int userOfferedDraw = FALSE;
437 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
438 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
439 int cmailMoveType[CMAIL_MAX_GAMES];
440 long ics_clock_paused = 0;
441 ProcRef icsPR = NoProc, cmailPR = NoProc;
442 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
443 GameMode gameMode = BeginningOfGame;
444 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
445 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
446 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
447 int hiddenThinkOutputState = 0; /* [AS] */
448 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
449 int adjudicateLossPlies = 6;
450 char white_holding[64], black_holding[64];
451 TimeMark lastNodeCountTime;
452 long lastNodeCount=0;
453 int shiftKey, controlKey; // [HGM] set by mouse handler
455 int have_sent_ICS_logon = 0;
457 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
458 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
459 Boolean adjustedClock;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
463 int matchGame = 0, nextGame = 0, roundNr = 0;
464 Boolean waitingForGame = FALSE;
465 TimeMark programStartTime, pauseStart;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 Boolean shuffleOpenings;
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void PushInner P((int firstMove, int lastMove));
504 void PopInner P((Boolean annotate));
505 void CleanupTail P((void));
507 ChessSquare FIDEArray[2][BOARD_FILES] = {
508 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackKnight, BlackRook }
514 ChessSquare twoKingsArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackKing, BlackKnight, BlackRook }
521 ChessSquare KnightmateArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
523 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
524 { BlackRook, BlackMan, BlackBishop, BlackQueen,
525 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
528 ChessSquare SpartanArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
530 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
531 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
532 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
535 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
539 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
542 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
543 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
544 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
546 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
549 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
551 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackMan, BlackFerz,
553 BlackKing, BlackMan, BlackKnight, BlackRook }
557 #if (BOARD_FILES>=10)
558 ChessSquare ShogiArray[2][BOARD_FILES] = {
559 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
560 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
561 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
562 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
565 ChessSquare XiangqiArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
567 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
569 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
572 ChessSquare CapablancaArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
576 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
579 ChessSquare GreatArray[2][BOARD_FILES] = {
580 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
581 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
582 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
583 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
586 ChessSquare JanusArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
588 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
589 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
590 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
593 ChessSquare GrandArray[2][BOARD_FILES] = {
594 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
595 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
596 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
597 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
614 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
616 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating (char *str)
650 while(*str && !isdigit(*str)) ++str;
652 return 0; /* One of the special "no rating" cases */
660 /* Init programStats */
661 programStats.movelist[0] = 0;
662 programStats.depth = 0;
663 programStats.nr_moves = 0;
664 programStats.moves_left = 0;
665 programStats.nodes = 0;
666 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
667 programStats.score = 0;
668 programStats.got_only_move = 0;
669 programStats.got_fail = 0;
670 programStats.line_is_book = 0;
675 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
676 if (appData.firstPlaysBlack) {
677 first.twoMachinesColor = "black\n";
678 second.twoMachinesColor = "white\n";
680 first.twoMachinesColor = "white\n";
681 second.twoMachinesColor = "black\n";
684 first.other = &second;
685 second.other = &first;
688 if(appData.timeOddsMode) {
689 norm = appData.timeOdds[0];
690 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
692 first.timeOdds = appData.timeOdds[0]/norm;
693 second.timeOdds = appData.timeOdds[1]/norm;
696 if(programVersion) free(programVersion);
697 if (appData.noChessProgram) {
698 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
699 sprintf(programVersion, "%s", PACKAGE_STRING);
701 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
702 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
703 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
708 UnloadEngine (ChessProgramState *cps)
710 /* Kill off first chess program */
711 if (cps->isr != NULL)
712 RemoveInputSource(cps->isr);
715 if (cps->pr != NoProc) {
717 DoSleep( appData.delayBeforeQuit );
718 SendToProgram("quit\n", cps);
719 DoSleep( appData.delayAfterQuit );
720 DestroyChildProcess(cps->pr, cps->useSigterm);
723 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
727 ClearOptions (ChessProgramState *cps)
730 cps->nrOptions = cps->comboCnt = 0;
731 for(i=0; i<MAX_OPTIONS; i++) {
732 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
733 cps->option[i].textValue = 0;
737 char *engineNames[] = {
738 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
739 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
741 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
747 InitEngine (ChessProgramState *cps, int n)
748 { // [HGM] all engine initialiation put in a function that does one engine
752 cps->which = engineNames[n];
753 cps->maybeThinking = FALSE;
757 cps->sendDrawOffers = 1;
759 cps->program = appData.chessProgram[n];
760 cps->host = appData.host[n];
761 cps->dir = appData.directory[n];
762 cps->initString = appData.engInitString[n];
763 cps->computerString = appData.computerString[n];
764 cps->useSigint = TRUE;
765 cps->useSigterm = TRUE;
766 cps->reuse = appData.reuse[n];
767 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
768 cps->useSetboard = FALSE;
770 cps->usePing = FALSE;
773 cps->usePlayother = FALSE;
774 cps->useColors = TRUE;
775 cps->useUsermove = FALSE;
776 cps->sendICS = FALSE;
777 cps->sendName = appData.icsActive;
778 cps->sdKludge = FALSE;
779 cps->stKludge = FALSE;
780 TidyProgramName(cps->program, cps->host, cps->tidy);
782 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
783 cps->analysisSupport = 2; /* detect */
784 cps->analyzing = FALSE;
785 cps->initDone = FALSE;
787 /* New features added by Tord: */
788 cps->useFEN960 = FALSE;
789 cps->useOOCastle = TRUE;
790 /* End of new features added by Tord. */
791 cps->fenOverride = appData.fenOverride[n];
793 /* [HGM] time odds: set factor for each machine */
794 cps->timeOdds = appData.timeOdds[n];
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 cps->accumulateTC = appData.accumulateTC[n];
798 cps->maxNrOfSessions = 1;
803 cps->supportsNPS = UNKNOWN;
804 cps->memSize = FALSE;
805 cps->maxCores = FALSE;
806 cps->egtFormats[0] = NULLCHAR;
809 cps->optionSettings = appData.engOptions[n];
811 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
812 cps->isUCI = appData.isUCI[n]; /* [AS] */
813 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
815 if (appData.protocolVersion[n] > PROTOVER
816 || appData.protocolVersion[n] < 1)
821 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
822 appData.protocolVersion[n]);
823 if( (len >= MSG_SIZ) && appData.debugMode )
824 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
826 DisplayFatalError(buf, 0, 2);
830 cps->protocolVersion = appData.protocolVersion[n];
833 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ParseFeatures(appData.featureDefaults, cps);
837 ChessProgramState *savCps;
843 if(WaitForEngine(savCps, LoadEngine)) return;
844 CommonEngineInit(); // recalculate time odds
845 if(gameInfo.variant != StringToVariant(appData.variant)) {
846 // we changed variant when loading the engine; this forces us to reset
847 Reset(TRUE, savCps != &first);
848 EditGameEvent(); // for consistency with other path, as Reset changes mode
850 InitChessProgram(savCps, FALSE);
851 SendToProgram("force\n", savCps);
852 DisplayMessage("", "");
853 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
854 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
860 ReplaceEngine (ChessProgramState *cps, int n)
864 appData.noChessProgram = FALSE;
865 appData.clockMode = TRUE;
868 if(n) return; // only startup first engine immediately; second can wait
869 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
873 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
874 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
876 static char resetOptions[] =
877 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
878 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
879 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
880 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
883 FloatToFront(char **list, char *engineLine)
885 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
887 if(appData.recentEngines <= 0) return;
888 TidyProgramName(engineLine, "localhost", tidy+1);
889 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
890 strncpy(buf+1, *list, MSG_SIZ-50);
891 if(p = strstr(buf, tidy)) { // tidy name appears in list
892 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
893 while(*p++ = *++q); // squeeze out
895 strcat(tidy, buf+1); // put list behind tidy name
896 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
897 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
898 ASSIGN(*list, tidy+1);
901 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
904 Load (ChessProgramState *cps, int i)
906 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
907 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
908 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
909 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
910 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
911 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
912 appData.firstProtocolVersion = PROTOVER;
913 ParseArgsFromString(buf);
915 ReplaceEngine(cps, i);
916 FloatToFront(&appData.recentEngineList, engineLine);
920 while(q = strchr(p, SLASH)) p = q+1;
921 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
922 if(engineDir[0] != NULLCHAR) {
923 ASSIGN(appData.directory[i], engineDir); p = engineName;
924 } else if(p != engineName) { // derive directory from engine path, when not given
926 ASSIGN(appData.directory[i], engineName);
928 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
929 } else { ASSIGN(appData.directory[i], "."); }
931 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
932 snprintf(command, MSG_SIZ, "%s %s", p, params);
935 ASSIGN(appData.chessProgram[i], p);
936 appData.isUCI[i] = isUCI;
937 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
938 appData.hasOwnBookUCI[i] = hasBook;
939 if(!nickName[0]) useNick = FALSE;
940 if(useNick) ASSIGN(appData.pgnName[i], nickName);
944 q = firstChessProgramNames;
945 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
946 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
948 quote, p, quote, appData.directory[i],
949 useNick ? " -fn \"" : "",
950 useNick ? nickName : "",
952 v1 ? " -firstProtocolVersion 1" : "",
953 hasBook ? "" : " -fNoOwnBookUCI",
954 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
955 storeVariant ? " -variant " : "",
956 storeVariant ? VariantName(gameInfo.variant) : "");
957 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
958 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
959 if(insert != q) insert[-1] = NULLCHAR;
960 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
962 FloatToFront(&appData.recentEngineList, buf);
964 ReplaceEngine(cps, i);
970 int matched, min, sec;
972 * Parse timeControl resource
974 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
975 appData.movesPerSession)) {
977 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
978 DisplayFatalError(buf, 0, 2);
982 * Parse searchTime resource
984 if (*appData.searchTime != NULLCHAR) {
985 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
987 searchTime = min * 60;
988 } else if (matched == 2) {
989 searchTime = min * 60 + sec;
992 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
993 DisplayFatalError(buf, 0, 2);
1002 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1003 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1005 GetTimeMark(&programStartTime);
1006 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1007 appData.seedBase = random() + (random()<<15);
1008 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1010 ClearProgramStats();
1011 programStats.ok_to_send = 1;
1012 programStats.seen_stat = 0;
1015 * Initialize game list
1021 * Internet chess server status
1023 if (appData.icsActive) {
1024 appData.matchMode = FALSE;
1025 appData.matchGames = 0;
1027 appData.noChessProgram = !appData.zippyPlay;
1029 appData.zippyPlay = FALSE;
1030 appData.zippyTalk = FALSE;
1031 appData.noChessProgram = TRUE;
1033 if (*appData.icsHelper != NULLCHAR) {
1034 appData.useTelnet = TRUE;
1035 appData.telnetProgram = appData.icsHelper;
1038 appData.zippyTalk = appData.zippyPlay = FALSE;
1041 /* [AS] Initialize pv info list [HGM] and game state */
1045 for( i=0; i<=framePtr; i++ ) {
1046 pvInfoList[i].depth = -1;
1047 boards[i][EP_STATUS] = EP_NONE;
1048 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1054 /* [AS] Adjudication threshold */
1055 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1057 InitEngine(&first, 0);
1058 InitEngine(&second, 1);
1061 pairing.which = "pairing"; // pairing engine
1062 pairing.pr = NoProc;
1064 pairing.program = appData.pairingEngine;
1065 pairing.host = "localhost";
1068 if (appData.icsActive) {
1069 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1070 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1071 appData.clockMode = FALSE;
1072 first.sendTime = second.sendTime = 0;
1076 /* Override some settings from environment variables, for backward
1077 compatibility. Unfortunately it's not feasible to have the env
1078 vars just set defaults, at least in xboard. Ugh.
1080 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1085 if (!appData.icsActive) {
1089 /* Check for variants that are supported only in ICS mode,
1090 or not at all. Some that are accepted here nevertheless
1091 have bugs; see comments below.
1093 VariantClass variant = StringToVariant(appData.variant);
1095 case VariantBughouse: /* need four players and two boards */
1096 case VariantKriegspiel: /* need to hide pieces and move details */
1097 /* case VariantFischeRandom: (Fabien: moved below) */
1098 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1099 if( (len >= MSG_SIZ) && appData.debugMode )
1100 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1102 DisplayFatalError(buf, 0, 2);
1105 case VariantUnknown:
1106 case VariantLoadable:
1116 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1117 if( (len >= MSG_SIZ) && appData.debugMode )
1118 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1120 DisplayFatalError(buf, 0, 2);
1123 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1124 case VariantFairy: /* [HGM] TestLegality definitely off! */
1125 case VariantGothic: /* [HGM] should work */
1126 case VariantCapablanca: /* [HGM] should work */
1127 case VariantCourier: /* [HGM] initial forced moves not implemented */
1128 case VariantShogi: /* [HGM] could still mate with pawn drop */
1129 case VariantKnightmate: /* [HGM] should work */
1130 case VariantCylinder: /* [HGM] untested */
1131 case VariantFalcon: /* [HGM] untested */
1132 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1133 offboard interposition not understood */
1134 case VariantNormal: /* definitely works! */
1135 case VariantWildCastle: /* pieces not automatically shuffled */
1136 case VariantNoCastle: /* pieces not automatically shuffled */
1137 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1138 case VariantLosers: /* should work except for win condition,
1139 and doesn't know captures are mandatory */
1140 case VariantSuicide: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantGiveaway: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantTwoKings: /* should work */
1145 case VariantAtomic: /* should work except for win condition */
1146 case Variant3Check: /* should work except for win condition */
1147 case VariantShatranj: /* should work except for all win conditions */
1148 case VariantMakruk: /* should work except for draw countdown */
1149 case VariantBerolina: /* might work if TestLegality is off */
1150 case VariantCapaRandom: /* should work */
1151 case VariantJanus: /* should work */
1152 case VariantSuper: /* experimental */
1153 case VariantGreat: /* experimental, requires legality testing to be off */
1154 case VariantSChess: /* S-Chess, should work */
1155 case VariantGrand: /* should work */
1156 case VariantSpartan: /* should work */
1164 NextIntegerFromString (char ** str, long * value)
1169 while( *s == ' ' || *s == '\t' ) {
1175 if( *s >= '0' && *s <= '9' ) {
1176 while( *s >= '0' && *s <= '9' ) {
1177 *value = *value * 10 + (*s - '0');
1190 NextTimeControlFromString (char ** str, long * value)
1193 int result = NextIntegerFromString( str, &temp );
1196 *value = temp * 60; /* Minutes */
1197 if( **str == ':' ) {
1199 result = NextIntegerFromString( str, &temp );
1200 *value += temp; /* Seconds */
1208 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1209 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1210 int result = -1, type = 0; long temp, temp2;
1212 if(**str != ':') return -1; // old params remain in force!
1214 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1215 if( NextIntegerFromString( str, &temp ) ) return -1;
1216 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1219 /* time only: incremental or sudden-death time control */
1220 if(**str == '+') { /* increment follows; read it */
1222 if(**str == '!') type = *(*str)++; // Bronstein TC
1223 if(result = NextIntegerFromString( str, &temp2)) return -1;
1224 *inc = temp2 * 1000;
1225 if(**str == '.') { // read fraction of increment
1226 char *start = ++(*str);
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1229 while(start++ < *str) temp2 /= 10;
1233 *moves = 0; *tc = temp * 1000; *incType = type;
1237 (*str)++; /* classical time control */
1238 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1250 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1251 { /* [HGM] get time to add from the multi-session time-control string */
1252 int incType, moves=1; /* kludge to force reading of first session */
1253 long time, increment;
1256 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1258 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1259 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1260 if(movenr == -1) return time; /* last move before new session */
1261 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1262 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1263 if(!moves) return increment; /* current session is incremental */
1264 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1265 } while(movenr >= -1); /* try again for next session */
1267 return 0; // no new time quota on this move
1271 ParseTimeControl (char *tc, float ti, int mps)
1275 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1278 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1279 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1280 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1284 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1286 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1291 snprintf(buf, MSG_SIZ, ":%s", mytc);
1293 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1295 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1300 /* Parse second time control */
1303 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1311 timeControl_2 = tc2 * 1000;
1321 timeControl = tc1 * 1000;
1324 timeIncrement = ti * 1000; /* convert to ms */
1325 movesPerSession = 0;
1328 movesPerSession = mps;
1336 if (appData.debugMode) {
1337 fprintf(debugFP, "%s\n", programVersion);
1339 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1341 set_cont_sequence(appData.wrapContSeq);
1342 if (appData.matchGames > 0) {
1343 appData.matchMode = TRUE;
1344 } else if (appData.matchMode) {
1345 appData.matchGames = 1;
1347 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1348 appData.matchGames = appData.sameColorGames;
1349 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1350 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1351 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1354 if (appData.noChessProgram || first.protocolVersion == 1) {
1357 /* kludge: allow timeout for initial "feature" commands */
1359 DisplayMessage("", _("Starting chess program"));
1360 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1365 CalculateIndex (int index, int gameNr)
1366 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1368 if(index > 0) return index; // fixed nmber
1369 if(index == 0) return 1;
1370 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1371 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1376 LoadGameOrPosition (int gameNr)
1377 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1378 if (*appData.loadGameFile != NULLCHAR) {
1379 if (!LoadGameFromFile(appData.loadGameFile,
1380 CalculateIndex(appData.loadGameIndex, gameNr),
1381 appData.loadGameFile, FALSE)) {
1382 DisplayFatalError(_("Bad game file"), 0, 1);
1385 } else if (*appData.loadPositionFile != NULLCHAR) {
1386 if (!LoadPositionFromFile(appData.loadPositionFile,
1387 CalculateIndex(appData.loadPositionIndex, gameNr),
1388 appData.loadPositionFile)) {
1389 DisplayFatalError(_("Bad position file"), 0, 1);
1397 ReserveGame (int gameNr, char resChar)
1399 FILE *tf = fopen(appData.tourneyFile, "r+");
1400 char *p, *q, c, buf[MSG_SIZ];
1401 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1402 safeStrCpy(buf, lastMsg, MSG_SIZ);
1403 DisplayMessage(_("Pick new game"), "");
1404 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1405 ParseArgsFromFile(tf);
1406 p = q = appData.results;
1407 if(appData.debugMode) {
1408 char *r = appData.participants;
1409 fprintf(debugFP, "results = '%s'\n", p);
1410 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1411 fprintf(debugFP, "\n");
1413 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1415 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1416 safeStrCpy(q, p, strlen(p) + 2);
1417 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1418 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1420 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1423 fseek(tf, -(strlen(p)+4), SEEK_END);
1425 if(c != '"') // depending on DOS or Unix line endings we can be one off
1426 fseek(tf, -(strlen(p)+2), SEEK_END);
1427 else fseek(tf, -(strlen(p)+3), SEEK_END);
1428 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1429 DisplayMessage(buf, "");
1430 free(p); appData.results = q;
1431 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1432 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1433 int round = appData.defaultMatchGames * appData.tourneyType;
1434 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1435 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1436 UnloadEngine(&first); // next game belongs to other pairing;
1437 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1439 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1443 MatchEvent (int mode)
1444 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1446 if(matchMode) { // already in match mode: switch it off
1448 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1451 // if(gameMode != BeginningOfGame) {
1452 // DisplayError(_("You can only start a match from the initial position."), 0);
1456 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1457 /* Set up machine vs. machine match */
1459 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1460 if(appData.tourneyFile[0]) {
1462 if(nextGame > appData.matchGames) {
1464 if(strchr(appData.results, '*') == NULL) {
1466 appData.tourneyCycles++;
1467 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1469 NextTourneyGame(-1, &dummy);
1471 if(nextGame <= appData.matchGames) {
1472 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1474 ScheduleDelayedEvent(NextMatchGame, 10000);
1479 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1480 DisplayError(buf, 0);
1481 appData.tourneyFile[0] = 0;
1485 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1486 DisplayFatalError(_("Can't have a match with no chess programs"),
1491 matchGame = roundNr = 1;
1492 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1496 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1499 InitBackEnd3 P((void))
1501 GameMode initialMode;
1505 InitChessProgram(&first, startedFromSetupPosition);
1507 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1508 free(programVersion);
1509 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1510 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1511 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1514 if (appData.icsActive) {
1516 /* [DM] Make a console window if needed [HGM] merged ifs */
1522 if (*appData.icsCommPort != NULLCHAR)
1523 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1524 appData.icsCommPort);
1526 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1527 appData.icsHost, appData.icsPort);
1529 if( (len >= MSG_SIZ) && appData.debugMode )
1530 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1532 DisplayFatalError(buf, err, 1);
1537 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1539 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1540 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1541 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1542 } else if (appData.noChessProgram) {
1548 if (*appData.cmailGameName != NULLCHAR) {
1550 OpenLoopback(&cmailPR);
1552 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1556 DisplayMessage("", "");
1557 if (StrCaseCmp(appData.initialMode, "") == 0) {
1558 initialMode = BeginningOfGame;
1559 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1560 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1561 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1562 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1565 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1566 initialMode = TwoMachinesPlay;
1567 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1568 initialMode = AnalyzeFile;
1569 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1570 initialMode = AnalyzeMode;
1571 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1572 initialMode = MachinePlaysWhite;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1574 initialMode = MachinePlaysBlack;
1575 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1576 initialMode = EditGame;
1577 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1578 initialMode = EditPosition;
1579 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1580 initialMode = Training;
1582 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1583 if( (len >= MSG_SIZ) && appData.debugMode )
1584 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1586 DisplayFatalError(buf, 0, 2);
1590 if (appData.matchMode) {
1591 if(appData.tourneyFile[0]) { // start tourney from command line
1593 if(f = fopen(appData.tourneyFile, "r")) {
1594 ParseArgsFromFile(f); // make sure tourney parmeters re known
1596 appData.clockMode = TRUE;
1598 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1601 } else if (*appData.cmailGameName != NULLCHAR) {
1602 /* Set up cmail mode */
1603 ReloadCmailMsgEvent(TRUE);
1605 /* Set up other modes */
1606 if (initialMode == AnalyzeFile) {
1607 if (*appData.loadGameFile == NULLCHAR) {
1608 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1612 if (*appData.loadGameFile != NULLCHAR) {
1613 (void) LoadGameFromFile(appData.loadGameFile,
1614 appData.loadGameIndex,
1615 appData.loadGameFile, TRUE);
1616 } else if (*appData.loadPositionFile != NULLCHAR) {
1617 (void) LoadPositionFromFile(appData.loadPositionFile,
1618 appData.loadPositionIndex,
1619 appData.loadPositionFile);
1620 /* [HGM] try to make self-starting even after FEN load */
1621 /* to allow automatic setup of fairy variants with wtm */
1622 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1623 gameMode = BeginningOfGame;
1624 setboardSpoiledMachineBlack = 1;
1626 /* [HGM] loadPos: make that every new game uses the setup */
1627 /* from file as long as we do not switch variant */
1628 if(!blackPlaysFirst) {
1629 startedFromPositionFile = TRUE;
1630 CopyBoard(filePosition, boards[0]);
1633 if (initialMode == AnalyzeMode) {
1634 if (appData.noChessProgram) {
1635 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1638 if (appData.icsActive) {
1639 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1643 } else if (initialMode == AnalyzeFile) {
1644 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1645 ShowThinkingEvent();
1647 AnalysisPeriodicEvent(1);
1648 } else if (initialMode == MachinePlaysWhite) {
1649 if (appData.noChessProgram) {
1650 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1659 MachineWhiteEvent();
1660 } else if (initialMode == MachinePlaysBlack) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1666 if (appData.icsActive) {
1667 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1671 MachineBlackEvent();
1672 } else if (initialMode == TwoMachinesPlay) {
1673 if (appData.noChessProgram) {
1674 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1678 if (appData.icsActive) {
1679 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1684 } else if (initialMode == EditGame) {
1686 } else if (initialMode == EditPosition) {
1687 EditPositionEvent();
1688 } else if (initialMode == Training) {
1689 if (*appData.loadGameFile == NULLCHAR) {
1690 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1699 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1701 DisplayBook(current+1);
1703 MoveHistorySet( movelist, first, last, current, pvInfoList );
1705 EvalGraphSet( first, last, current, pvInfoList );
1707 MakeEngineOutputTitle();
1711 * Establish will establish a contact to a remote host.port.
1712 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1713 * used to talk to the host.
1714 * Returns 0 if okay, error code if not.
1721 if (*appData.icsCommPort != NULLCHAR) {
1722 /* Talk to the host through a serial comm port */
1723 return OpenCommPort(appData.icsCommPort, &icsPR);
1725 } else if (*appData.gateway != NULLCHAR) {
1726 if (*appData.remoteShell == NULLCHAR) {
1727 /* Use the rcmd protocol to run telnet program on a gateway host */
1728 snprintf(buf, sizeof(buf), "%s %s %s",
1729 appData.telnetProgram, appData.icsHost, appData.icsPort);
1730 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1733 /* Use the rsh program to run telnet program on a gateway host */
1734 if (*appData.remoteUser == NULLCHAR) {
1735 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1736 appData.gateway, appData.telnetProgram,
1737 appData.icsHost, appData.icsPort);
1739 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1740 appData.remoteShell, appData.gateway,
1741 appData.remoteUser, appData.telnetProgram,
1742 appData.icsHost, appData.icsPort);
1744 return StartChildProcess(buf, "", &icsPR);
1747 } else if (appData.useTelnet) {
1748 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1751 /* TCP socket interface differs somewhat between
1752 Unix and NT; handle details in the front end.
1754 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1759 EscapeExpand (char *p, char *q)
1760 { // [HGM] initstring: routine to shape up string arguments
1761 while(*p++ = *q++) if(p[-1] == '\\')
1763 case 'n': p[-1] = '\n'; break;
1764 case 'r': p[-1] = '\r'; break;
1765 case 't': p[-1] = '\t'; break;
1766 case '\\': p[-1] = '\\'; break;
1767 case 0: *p = 0; return;
1768 default: p[-1] = q[-1]; break;
1773 show_bytes (FILE *fp, char *buf, int count)
1776 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1777 fprintf(fp, "\\%03o", *buf & 0xff);
1786 /* Returns an errno value */
1788 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1790 char buf[8192], *p, *q, *buflim;
1791 int left, newcount, outcount;
1793 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1794 *appData.gateway != NULLCHAR) {
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, message, count);
1798 fprintf(debugFP, "\n");
1800 return OutputToProcess(pr, message, count, outError);
1803 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1810 if (appData.debugMode) {
1811 fprintf(debugFP, ">ICS: ");
1812 show_bytes(debugFP, buf, newcount);
1813 fprintf(debugFP, "\n");
1815 outcount = OutputToProcess(pr, buf, newcount, outError);
1816 if (outcount < newcount) return -1; /* to be sure */
1823 } else if (((unsigned char) *p) == TN_IAC) {
1824 *q++ = (char) TN_IAC;
1831 if (appData.debugMode) {
1832 fprintf(debugFP, ">ICS: ");
1833 show_bytes(debugFP, buf, newcount);
1834 fprintf(debugFP, "\n");
1836 outcount = OutputToProcess(pr, buf, newcount, outError);
1837 if (outcount < newcount) return -1; /* to be sure */
1842 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1844 int outError, outCount;
1845 static int gotEof = 0;
1847 /* Pass data read from player on to ICS */
1850 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 } else if (count < 0) {
1855 RemoveInputSource(isr);
1856 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1857 } else if (gotEof++ > 0) {
1858 RemoveInputSource(isr);
1859 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1865 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1866 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1867 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1868 SendToICS("date\n");
1869 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1872 /* added routine for printf style output to ics */
1874 ics_printf (char *format, ...)
1876 char buffer[MSG_SIZ];
1879 va_start(args, format);
1880 vsnprintf(buffer, sizeof(buffer), format, args);
1881 buffer[sizeof(buffer)-1] = '\0';
1889 int count, outCount, outError;
1891 if (icsPR == NoProc) return;
1894 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1895 if (outCount < count) {
1896 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 /* This is used for sending logon scripts to the ICS. Sending
1901 without a delay causes problems when using timestamp on ICC
1902 (at least on my machine). */
1904 SendToICSDelayed (char *s, long msdelay)
1906 int count, outCount, outError;
1908 if (icsPR == NoProc) return;
1911 if (appData.debugMode) {
1912 fprintf(debugFP, ">ICS: ");
1913 show_bytes(debugFP, s, count);
1914 fprintf(debugFP, "\n");
1916 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1918 if (outCount < count) {
1919 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1924 /* Remove all highlighting escape sequences in s
1925 Also deletes any suffix starting with '('
1928 StripHighlightAndTitle (char *s)
1930 static char retbuf[MSG_SIZ];
1933 while (*s != NULLCHAR) {
1934 while (*s == '\033') {
1935 while (*s != NULLCHAR && !isalpha(*s)) s++;
1936 if (*s != NULLCHAR) s++;
1938 while (*s != NULLCHAR && *s != '\033') {
1939 if (*s == '(' || *s == '[') {
1950 /* Remove all highlighting escape sequences in s */
1952 StripHighlight (char *s)
1954 static char retbuf[MSG_SIZ];
1957 while (*s != NULLCHAR) {
1958 while (*s == '\033') {
1959 while (*s != NULLCHAR && !isalpha(*s)) s++;
1960 if (*s != NULLCHAR) s++;
1962 while (*s != NULLCHAR && *s != '\033') {
1970 char *variantNames[] = VARIANT_NAMES;
1972 VariantName (VariantClass v)
1974 return variantNames[v];
1978 /* Identify a variant from the strings the chess servers use or the
1979 PGN Variant tag names we use. */
1981 StringToVariant (char *e)
1985 VariantClass v = VariantNormal;
1986 int i, found = FALSE;
1992 /* [HGM] skip over optional board-size prefixes */
1993 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1994 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1995 while( *e++ != '_');
1998 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2002 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2003 if (StrCaseStr(e, variantNames[i])) {
2004 v = (VariantClass) i;
2011 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2012 || StrCaseStr(e, "wild/fr")
2013 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2014 v = VariantFischeRandom;
2015 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2016 (i = 1, p = StrCaseStr(e, "w"))) {
2018 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2025 case 0: /* FICS only, actually */
2027 /* Castling legal even if K starts on d-file */
2028 v = VariantWildCastle;
2033 /* Castling illegal even if K & R happen to start in
2034 normal positions. */
2035 v = VariantNoCastle;
2048 /* Castling legal iff K & R start in normal positions */
2054 /* Special wilds for position setup; unclear what to do here */
2055 v = VariantLoadable;
2058 /* Bizarre ICC game */
2059 v = VariantTwoKings;
2062 v = VariantKriegspiel;
2068 v = VariantFischeRandom;
2071 v = VariantCrazyhouse;
2074 v = VariantBughouse;
2080 /* Not quite the same as FICS suicide! */
2081 v = VariantGiveaway;
2087 v = VariantShatranj;
2090 /* Temporary names for future ICC types. The name *will* change in
2091 the next xboard/WinBoard release after ICC defines it. */
2129 v = VariantCapablanca;
2132 v = VariantKnightmate;
2138 v = VariantCylinder;
2144 v = VariantCapaRandom;
2147 v = VariantBerolina;
2159 /* Found "wild" or "w" in the string but no number;
2160 must assume it's normal chess. */
2164 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2165 if( (len >= MSG_SIZ) && appData.debugMode )
2166 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2168 DisplayError(buf, 0);
2174 if (appData.debugMode) {
2175 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2176 e, wnum, VariantName(v));
2181 static int leftover_start = 0, leftover_len = 0;
2182 char star_match[STAR_MATCH_N][MSG_SIZ];
2184 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2185 advance *index beyond it, and set leftover_start to the new value of
2186 *index; else return FALSE. If pattern contains the character '*', it
2187 matches any sequence of characters not containing '\r', '\n', or the
2188 character following the '*' (if any), and the matched sequence(s) are
2189 copied into star_match.
2192 looking_at ( char *buf, int *index, char *pattern)
2194 char *bufp = &buf[*index], *patternp = pattern;
2196 char *matchp = star_match[0];
2199 if (*patternp == NULLCHAR) {
2200 *index = leftover_start = bufp - buf;
2204 if (*bufp == NULLCHAR) return FALSE;
2205 if (*patternp == '*') {
2206 if (*bufp == *(patternp + 1)) {
2208 matchp = star_match[++star_count];
2212 } else if (*bufp == '\n' || *bufp == '\r') {
2214 if (*patternp == NULLCHAR)
2219 *matchp++ = *bufp++;
2223 if (*patternp != *bufp) return FALSE;
2230 SendToPlayer (char *data, int length)
2232 int error, outCount;
2233 outCount = OutputToProcess(NoProc, data, length, &error);
2234 if (outCount < length) {
2235 DisplayFatalError(_("Error writing to display"), error, 1);
2240 PackHolding (char packed[], char *holding)
2250 switch (runlength) {
2261 sprintf(q, "%d", runlength);
2273 /* Telnet protocol requests from the front end */
2275 TelnetRequest (unsigned char ddww, unsigned char option)
2277 unsigned char msg[3];
2278 int outCount, outError;
2280 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2282 if (appData.debugMode) {
2283 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2299 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2308 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2311 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2316 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2318 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DO, TN_ECHO);
2332 if (!appData.icsActive) return;
2333 TelnetRequest(TN_DONT, TN_ECHO);
2337 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2339 /* put the holdings sent to us by the server on the board holdings area */
2340 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2344 if(gameInfo.holdingsWidth < 2) return;
2345 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2346 return; // prevent overwriting by pre-board holdings
2348 if( (int)lowestPiece >= BlackPawn ) {
2351 holdingsStartRow = BOARD_HEIGHT-1;
2354 holdingsColumn = BOARD_WIDTH-1;
2355 countsColumn = BOARD_WIDTH-2;
2356 holdingsStartRow = 0;
2360 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2361 board[i][holdingsColumn] = EmptySquare;
2362 board[i][countsColumn] = (ChessSquare) 0;
2364 while( (p=*holdings++) != NULLCHAR ) {
2365 piece = CharToPiece( ToUpper(p) );
2366 if(piece == EmptySquare) continue;
2367 /*j = (int) piece - (int) WhitePawn;*/
2368 j = PieceToNumber(piece);
2369 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2370 if(j < 0) continue; /* should not happen */
2371 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2372 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2373 board[holdingsStartRow+j*direction][countsColumn]++;
2379 VariantSwitch (Board board, VariantClass newVariant)
2381 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2382 static Board oldBoard;
2384 startedFromPositionFile = FALSE;
2385 if(gameInfo.variant == newVariant) return;
2387 /* [HGM] This routine is called each time an assignment is made to
2388 * gameInfo.variant during a game, to make sure the board sizes
2389 * are set to match the new variant. If that means adding or deleting
2390 * holdings, we shift the playing board accordingly
2391 * This kludge is needed because in ICS observe mode, we get boards
2392 * of an ongoing game without knowing the variant, and learn about the
2393 * latter only later. This can be because of the move list we requested,
2394 * in which case the game history is refilled from the beginning anyway,
2395 * but also when receiving holdings of a crazyhouse game. In the latter
2396 * case we want to add those holdings to the already received position.
2400 if (appData.debugMode) {
2401 fprintf(debugFP, "Switch board from %s to %s\n",
2402 VariantName(gameInfo.variant), VariantName(newVariant));
2403 setbuf(debugFP, NULL);
2405 shuffleOpenings = 0; /* [HGM] shuffle */
2406 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2410 newWidth = 9; newHeight = 9;
2411 gameInfo.holdingsSize = 7;
2412 case VariantBughouse:
2413 case VariantCrazyhouse:
2414 newHoldingsWidth = 2; break;
2418 newHoldingsWidth = 2;
2419 gameInfo.holdingsSize = 8;
2422 case VariantCapablanca:
2423 case VariantCapaRandom:
2426 newHoldingsWidth = gameInfo.holdingsSize = 0;
2429 if(newWidth != gameInfo.boardWidth ||
2430 newHeight != gameInfo.boardHeight ||
2431 newHoldingsWidth != gameInfo.holdingsWidth ) {
2433 /* shift position to new playing area, if needed */
2434 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 for(i=0; i<newHeight; i++) {
2440 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2441 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2443 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2444 for(i=0; i<BOARD_HEIGHT; i++)
2445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2446 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2449 board[HOLDINGS_SET] = 0;
2450 gameInfo.boardWidth = newWidth;
2451 gameInfo.boardHeight = newHeight;
2452 gameInfo.holdingsWidth = newHoldingsWidth;
2453 gameInfo.variant = newVariant;
2454 InitDrawingSizes(-2, 0);
2455 } else gameInfo.variant = newVariant;
2456 CopyBoard(oldBoard, board); // remember correctly formatted board
2457 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2458 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2461 static int loggedOn = FALSE;
2463 /*-- Game start info cache: --*/
2465 char gs_kind[MSG_SIZ];
2466 static char player1Name[128] = "";
2467 static char player2Name[128] = "";
2468 static char cont_seq[] = "\n\\ ";
2469 static int player1Rating = -1;
2470 static int player2Rating = -1;
2471 /*----------------------------*/
2473 ColorClass curColor = ColorNormal;
2474 int suppressKibitz = 0;
2477 Boolean soughtPending = FALSE;
2478 Boolean seekGraphUp;
2479 #define MAX_SEEK_ADS 200
2481 char *seekAdList[MAX_SEEK_ADS];
2482 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2483 float tcList[MAX_SEEK_ADS];
2484 char colorList[MAX_SEEK_ADS];
2485 int nrOfSeekAds = 0;
2486 int minRating = 1010, maxRating = 2800;
2487 int hMargin = 10, vMargin = 20, h, w;
2488 extern int squareSize, lineGap;
2493 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2494 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2495 if(r < minRating+100 && r >=0 ) r = minRating+100;
2496 if(r > maxRating) r = maxRating;
2497 if(tc < 1.f) tc = 1.f;
2498 if(tc > 95.f) tc = 95.f;
2499 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2500 y = ((double)r - minRating)/(maxRating - minRating)
2501 * (h-vMargin-squareSize/8-1) + vMargin;
2502 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2503 if(strstr(seekAdList[i], " u ")) color = 1;
2504 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2505 !strstr(seekAdList[i], "bullet") &&
2506 !strstr(seekAdList[i], "blitz") &&
2507 !strstr(seekAdList[i], "standard") ) color = 2;
2508 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2509 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2513 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2515 char buf[MSG_SIZ], *ext = "";
2516 VariantClass v = StringToVariant(type);
2517 if(strstr(type, "wild")) {
2518 ext = type + 4; // append wild number
2519 if(v == VariantFischeRandom) type = "chess960"; else
2520 if(v == VariantLoadable) type = "setup"; else
2521 type = VariantName(v);
2523 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2524 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2525 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2526 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2527 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2528 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2529 seekNrList[nrOfSeekAds] = nr;
2530 zList[nrOfSeekAds] = 0;
2531 seekAdList[nrOfSeekAds++] = StrSave(buf);
2532 if(plot) PlotSeekAd(nrOfSeekAds-1);
2537 EraseSeekDot (int i)
2539 int x = xList[i], y = yList[i], d=squareSize/4, k;
2540 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2541 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2542 // now replot every dot that overlapped
2543 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2544 int xx = xList[k], yy = yList[k];
2545 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2546 DrawSeekDot(xx, yy, colorList[k]);
2551 RemoveSeekAd (int nr)
2554 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2556 if(seekAdList[i]) free(seekAdList[i]);
2557 seekAdList[i] = seekAdList[--nrOfSeekAds];
2558 seekNrList[i] = seekNrList[nrOfSeekAds];
2559 ratingList[i] = ratingList[nrOfSeekAds];
2560 colorList[i] = colorList[nrOfSeekAds];
2561 tcList[i] = tcList[nrOfSeekAds];
2562 xList[i] = xList[nrOfSeekAds];
2563 yList[i] = yList[nrOfSeekAds];
2564 zList[i] = zList[nrOfSeekAds];
2565 seekAdList[nrOfSeekAds] = NULL;
2571 MatchSoughtLine (char *line)
2573 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2574 int nr, base, inc, u=0; char dummy;
2576 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2577 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2579 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2580 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2581 // match: compact and save the line
2582 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2592 if(!seekGraphUp) return FALSE;
2593 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2594 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2596 DrawSeekBackground(0, 0, w, h);
2597 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2598 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2599 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2600 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2602 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2605 snprintf(buf, MSG_SIZ, "%d", i);
2606 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2609 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2610 for(i=1; i<100; i+=(i<10?1:5)) {
2611 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2612 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2613 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2615 snprintf(buf, MSG_SIZ, "%d", i);
2616 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2619 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2624 SeekGraphClick (ClickType click, int x, int y, int moving)
2626 static int lastDown = 0, displayed = 0, lastSecond;
2627 if(y < 0) return FALSE;
2628 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2629 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2630 if(!seekGraphUp) return FALSE;
2631 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2632 DrawPosition(TRUE, NULL);
2635 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2636 if(click == Release || moving) return FALSE;
2638 soughtPending = TRUE;
2639 SendToICS(ics_prefix);
2640 SendToICS("sought\n"); // should this be "sought all"?
2641 } else { // issue challenge based on clicked ad
2642 int dist = 10000; int i, closest = 0, second = 0;
2643 for(i=0; i<nrOfSeekAds; i++) {
2644 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2645 if(d < dist) { dist = d; closest = i; }
2646 second += (d - zList[i] < 120); // count in-range ads
2647 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2651 second = (second > 1);
2652 if(displayed != closest || second != lastSecond) {
2653 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2654 lastSecond = second; displayed = closest;
2656 if(click == Press) {
2657 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2660 } // on press 'hit', only show info
2661 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2662 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2663 SendToICS(ics_prefix);
2665 return TRUE; // let incoming board of started game pop down the graph
2666 } else if(click == Release) { // release 'miss' is ignored
2667 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2668 if(moving == 2) { // right up-click
2669 nrOfSeekAds = 0; // refresh graph
2670 soughtPending = TRUE;
2671 SendToICS(ics_prefix);
2672 SendToICS("sought\n"); // should this be "sought all"?
2675 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2676 // press miss or release hit 'pop down' seek graph
2677 seekGraphUp = FALSE;
2678 DrawPosition(TRUE, NULL);
2684 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2686 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2687 #define STARTED_NONE 0
2688 #define STARTED_MOVES 1
2689 #define STARTED_BOARD 2
2690 #define STARTED_OBSERVE 3
2691 #define STARTED_HOLDINGS 4
2692 #define STARTED_CHATTER 5
2693 #define STARTED_COMMENT 6
2694 #define STARTED_MOVES_NOHIDE 7
2696 static int started = STARTED_NONE;
2697 static char parse[20000];
2698 static int parse_pos = 0;
2699 static char buf[BUF_SIZE + 1];
2700 static int firstTime = TRUE, intfSet = FALSE;
2701 static ColorClass prevColor = ColorNormal;
2702 static int savingComment = FALSE;
2703 static int cmatch = 0; // continuation sequence match
2710 int backup; /* [DM] For zippy color lines */
2712 char talker[MSG_SIZ]; // [HGM] chat
2715 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2717 if (appData.debugMode) {
2719 fprintf(debugFP, "<ICS: ");
2720 show_bytes(debugFP, data, count);
2721 fprintf(debugFP, "\n");
2725 if (appData.debugMode) { int f = forwardMostMove;
2726 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2727 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2728 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2731 /* If last read ended with a partial line that we couldn't parse,
2732 prepend it to the new read and try again. */
2733 if (leftover_len > 0) {
2734 for (i=0; i<leftover_len; i++)
2735 buf[i] = buf[leftover_start + i];
2738 /* copy new characters into the buffer */
2739 bp = buf + leftover_len;
2740 buf_len=leftover_len;
2741 for (i=0; i<count; i++)
2744 if (data[i] == '\r')
2747 // join lines split by ICS?
2748 if (!appData.noJoin)
2751 Joining just consists of finding matches against the
2752 continuation sequence, and discarding that sequence
2753 if found instead of copying it. So, until a match
2754 fails, there's nothing to do since it might be the
2755 complete sequence, and thus, something we don't want
2758 if (data[i] == cont_seq[cmatch])
2761 if (cmatch == strlen(cont_seq))
2763 cmatch = 0; // complete match. just reset the counter
2766 it's possible for the ICS to not include the space
2767 at the end of the last word, making our [correct]
2768 join operation fuse two separate words. the server
2769 does this when the space occurs at the width setting.
2771 if (!buf_len || buf[buf_len-1] != ' ')
2782 match failed, so we have to copy what matched before
2783 falling through and copying this character. In reality,
2784 this will only ever be just the newline character, but
2785 it doesn't hurt to be precise.
2787 strncpy(bp, cont_seq, cmatch);
2799 buf[buf_len] = NULLCHAR;
2800 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2805 while (i < buf_len) {
2806 /* Deal with part of the TELNET option negotiation
2807 protocol. We refuse to do anything beyond the
2808 defaults, except that we allow the WILL ECHO option,
2809 which ICS uses to turn off password echoing when we are
2810 directly connected to it. We reject this option
2811 if localLineEditing mode is on (always on in xboard)
2812 and we are talking to port 23, which might be a real
2813 telnet server that will try to keep WILL ECHO on permanently.
2815 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2816 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2817 unsigned char option;
2819 switch ((unsigned char) buf[++i]) {
2821 if (appData.debugMode)
2822 fprintf(debugFP, "\n<WILL ");
2823 switch (option = (unsigned char) buf[++i]) {
2825 if (appData.debugMode)
2826 fprintf(debugFP, "ECHO ");
2827 /* Reply only if this is a change, according
2828 to the protocol rules. */
2829 if (remoteEchoOption) break;
2830 if (appData.localLineEditing &&
2831 atoi(appData.icsPort) == TN_PORT) {
2832 TelnetRequest(TN_DONT, TN_ECHO);
2835 TelnetRequest(TN_DO, TN_ECHO);
2836 remoteEchoOption = TRUE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", option);
2842 /* Whatever this is, we don't want it. */
2843 TelnetRequest(TN_DONT, option);
2848 if (appData.debugMode)
2849 fprintf(debugFP, "\n<WONT ");
2850 switch (option = (unsigned char) buf[++i]) {
2852 if (appData.debugMode)
2853 fprintf(debugFP, "ECHO ");
2854 /* Reply only if this is a change, according
2855 to the protocol rules. */
2856 if (!remoteEchoOption) break;
2858 TelnetRequest(TN_DONT, TN_ECHO);
2859 remoteEchoOption = FALSE;
2862 if (appData.debugMode)
2863 fprintf(debugFP, "%d ", (unsigned char) option);
2864 /* Whatever this is, it must already be turned
2865 off, because we never agree to turn on
2866 anything non-default, so according to the
2867 protocol rules, we don't reply. */
2872 if (appData.debugMode)
2873 fprintf(debugFP, "\n<DO ");
2874 switch (option = (unsigned char) buf[++i]) {
2876 /* Whatever this is, we refuse to do it. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "%d ", option);
2879 TelnetRequest(TN_WONT, option);
2884 if (appData.debugMode)
2885 fprintf(debugFP, "\n<DONT ");
2886 switch (option = (unsigned char) buf[++i]) {
2888 if (appData.debugMode)
2889 fprintf(debugFP, "%d ", option);
2890 /* Whatever this is, we are already not doing
2891 it, because we never agree to do anything
2892 non-default, so according to the protocol
2893 rules, we don't reply. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "\n<IAC ");
2900 /* Doubled IAC; pass it through */
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2906 /* Drop all other telnet commands on the floor */
2909 if (oldi > next_out)
2910 SendToPlayer(&buf[next_out], oldi - next_out);
2916 /* OK, this at least will *usually* work */
2917 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2921 if (loggedOn && !intfSet) {
2922 if (ics_type == ICS_ICC) {
2923 snprintf(str, MSG_SIZ,
2924 "/set-quietly interface %s\n/set-quietly style 12\n",
2926 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2927 strcat(str, "/set-2 51 1\n/set seek 1\n");
2928 } else if (ics_type == ICS_CHESSNET) {
2929 snprintf(str, MSG_SIZ, "/style 12\n");
2931 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2932 strcat(str, programVersion);
2933 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2934 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2935 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2937 strcat(str, "$iset nohighlight 1\n");
2939 strcat(str, "$iset lock 1\n$style 12\n");
2942 NotifyFrontendLogin();
2946 if (started == STARTED_COMMENT) {
2947 /* Accumulate characters in comment */
2948 parse[parse_pos++] = buf[i];
2949 if (buf[i] == '\n') {
2950 parse[parse_pos] = NULLCHAR;
2951 if(chattingPartner>=0) {
2953 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2954 OutputChatMessage(chattingPartner, mess);
2955 chattingPartner = -1;
2956 next_out = i+1; // [HGM] suppress printing in ICS window
2958 if(!suppressKibitz) // [HGM] kibitz
2959 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2960 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2961 int nrDigit = 0, nrAlph = 0, j;
2962 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2963 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2964 parse[parse_pos] = NULLCHAR;
2965 // try to be smart: if it does not look like search info, it should go to
2966 // ICS interaction window after all, not to engine-output window.
2967 for(j=0; j<parse_pos; j++) { // count letters and digits
2968 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2969 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2970 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2972 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2973 int depth=0; float score;
2974 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2975 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2976 pvInfoList[forwardMostMove-1].depth = depth;
2977 pvInfoList[forwardMostMove-1].score = 100*score;
2979 OutputKibitz(suppressKibitz, parse);
2982 if(gameMode == IcsObserving) // restore original ICS messages
2983 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2985 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2986 SendToPlayer(tmp, strlen(tmp));
2988 next_out = i+1; // [HGM] suppress printing in ICS window
2990 started = STARTED_NONE;
2992 /* Don't match patterns against characters in comment */
2997 if (started == STARTED_CHATTER) {
2998 if (buf[i] != '\n') {
2999 /* Don't match patterns against characters in chatter */
3003 started = STARTED_NONE;
3004 if(suppressKibitz) next_out = i+1;
3007 /* Kludge to deal with rcmd protocol */
3008 if (firstTime && looking_at(buf, &i, "\001*")) {
3009 DisplayFatalError(&buf[1], 0, 1);
3015 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3018 if (appData.debugMode)
3019 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3023 ics_type = ICS_FICS;
3025 if (appData.debugMode)
3026 fprintf(debugFP, "ics_type %d\n", ics_type);
3029 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3030 ics_type = ICS_CHESSNET;
3032 if (appData.debugMode)
3033 fprintf(debugFP, "ics_type %d\n", ics_type);
3038 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3039 looking_at(buf, &i, "Logging you in as \"*\"") ||
3040 looking_at(buf, &i, "will be \"*\""))) {
3041 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3045 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3047 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3048 DisplayIcsInteractionTitle(buf);
3049 have_set_title = TRUE;
3052 /* skip finger notes */
3053 if (started == STARTED_NONE &&
3054 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3055 (buf[i] == '1' && buf[i+1] == '0')) &&
3056 buf[i+2] == ':' && buf[i+3] == ' ') {
3057 started = STARTED_CHATTER;
3063 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3064 if(appData.seekGraph) {
3065 if(soughtPending && MatchSoughtLine(buf+i)) {
3066 i = strstr(buf+i, "rated") - buf;
3067 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3068 next_out = leftover_start = i;
3069 started = STARTED_CHATTER;
3070 suppressKibitz = TRUE;
3073 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3074 && looking_at(buf, &i, "* ads displayed")) {
3075 soughtPending = FALSE;
3080 if(appData.autoRefresh) {
3081 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3082 int s = (ics_type == ICS_ICC); // ICC format differs
3084 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3085 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3086 looking_at(buf, &i, "*% "); // eat prompt
3087 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = i; // suppress
3092 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3093 char *p = star_match[0];
3095 if(seekGraphUp) RemoveSeekAd(atoi(p));
3096 while(*p && *p++ != ' '); // next
3098 looking_at(buf, &i, "*% "); // eat prompt
3099 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3106 /* skip formula vars */
3107 if (started == STARTED_NONE &&
3108 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3109 started = STARTED_CHATTER;
3114 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3115 if (appData.autoKibitz && started == STARTED_NONE &&
3116 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3117 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3118 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3119 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3120 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3121 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3122 suppressKibitz = TRUE;
3123 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3125 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3126 && (gameMode == IcsPlayingWhite)) ||
3127 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3128 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3129 started = STARTED_CHATTER; // own kibitz we simply discard
3131 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3132 parse_pos = 0; parse[0] = NULLCHAR;
3133 savingComment = TRUE;
3134 suppressKibitz = gameMode != IcsObserving ? 2 :
3135 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3139 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3140 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3141 && atoi(star_match[0])) {
3142 // suppress the acknowledgements of our own autoKibitz
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3145 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3146 SendToPlayer(star_match[0], strlen(star_match[0]));
3147 if(looking_at(buf, &i, "*% ")) // eat prompt
3148 suppressKibitz = FALSE;
3152 } // [HGM] kibitz: end of patch
3154 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3156 // [HGM] chat: intercept tells by users for which we have an open chat window
3158 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3159 looking_at(buf, &i, "* whispers:") ||
3160 looking_at(buf, &i, "* kibitzes:") ||
3161 looking_at(buf, &i, "* shouts:") ||
3162 looking_at(buf, &i, "* c-shouts:") ||
3163 looking_at(buf, &i, "--> * ") ||
3164 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3167 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3169 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3170 chattingPartner = -1;
3172 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3175 talker[0] = '['; strcat(talker, "] ");
3176 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3177 chattingPartner = p; break;
3180 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3181 for(p=0; p<MAX_CHAT; p++) {
3182 if(!strcmp("kibitzes", chatPartner[p])) {
3183 talker[0] = '['; strcat(talker, "] ");
3184 chattingPartner = p; break;
3187 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3188 for(p=0; p<MAX_CHAT; p++) {
3189 if(!strcmp("whispers", chatPartner[p])) {
3190 talker[0] = '['; strcat(talker, "] ");
3191 chattingPartner = p; break;
3194 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3195 if(buf[i-8] == '-' && buf[i-3] == 't')
3196 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3197 if(!strcmp("c-shouts", chatPartner[p])) {
3198 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3199 chattingPartner = p; break;
3202 if(chattingPartner < 0)
3203 for(p=0; p<MAX_CHAT; p++) {
3204 if(!strcmp("shouts", chatPartner[p])) {
3205 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3206 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3207 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3208 chattingPartner = p; break;
3212 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3213 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3214 talker[0] = 0; Colorize(ColorTell, FALSE);
3215 chattingPartner = p; break;
3217 if(chattingPartner<0) i = oldi; else {
3218 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3219 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 started = STARTED_COMMENT;
3222 parse_pos = 0; parse[0] = NULLCHAR;
3223 savingComment = 3 + chattingPartner; // counts as TRUE
3224 suppressKibitz = TRUE;
3227 } // [HGM] chat: end of patch
3230 if (appData.zippyTalk || appData.zippyPlay) {
3231 /* [DM] Backup address for color zippy lines */
3233 if (loggedOn == TRUE)
3234 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3235 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3237 } // [DM] 'else { ' deleted
3239 /* Regular tells and says */
3240 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3241 looking_at(buf, &i, "* (your partner) tells you: ") ||
3242 looking_at(buf, &i, "* says: ") ||
3243 /* Don't color "message" or "messages" output */
3244 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3245 looking_at(buf, &i, "*. * at *:*: ") ||
3246 looking_at(buf, &i, "--* (*:*): ") ||
3247 /* Message notifications (same color as tells) */
3248 looking_at(buf, &i, "* has left a message ") ||
3249 looking_at(buf, &i, "* just sent you a message:\n") ||
3250 /* Whispers and kibitzes */
3251 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3252 looking_at(buf, &i, "* kibitzes: ") ||
3254 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3256 if (tkind == 1 && strchr(star_match[0], ':')) {
3257 /* Avoid "tells you:" spoofs in channels */
3260 if (star_match[0][0] == NULLCHAR ||
3261 strchr(star_match[0], ' ') ||
3262 (tkind == 3 && strchr(star_match[1], ' '))) {
3263 /* Reject bogus matches */
3266 if (appData.colorize) {
3267 if (oldi > next_out) {
3268 SendToPlayer(&buf[next_out], oldi - next_out);
3273 Colorize(ColorTell, FALSE);
3274 curColor = ColorTell;
3277 Colorize(ColorKibitz, FALSE);
3278 curColor = ColorKibitz;
3281 p = strrchr(star_match[1], '(');
3288 Colorize(ColorChannel1, FALSE);
3289 curColor = ColorChannel1;
3291 Colorize(ColorChannel, FALSE);
3292 curColor = ColorChannel;
3296 curColor = ColorNormal;
3300 if (started == STARTED_NONE && appData.autoComment &&
3301 (gameMode == IcsObserving ||
3302 gameMode == IcsPlayingWhite ||
3303 gameMode == IcsPlayingBlack)) {
3304 parse_pos = i - oldi;
3305 memcpy(parse, &buf[oldi], parse_pos);
3306 parse[parse_pos] = NULLCHAR;
3307 started = STARTED_COMMENT;
3308 savingComment = TRUE;
3310 started = STARTED_CHATTER;
3311 savingComment = FALSE;
3318 if (looking_at(buf, &i, "* s-shouts: ") ||
3319 looking_at(buf, &i, "* c-shouts: ")) {
3320 if (appData.colorize) {
3321 if (oldi > next_out) {
3322 SendToPlayer(&buf[next_out], oldi - next_out);
3325 Colorize(ColorSShout, FALSE);
3326 curColor = ColorSShout;
3329 started = STARTED_CHATTER;
3333 if (looking_at(buf, &i, "--->")) {
3338 if (looking_at(buf, &i, "* shouts: ") ||
3339 looking_at(buf, &i, "--> ")) {
3340 if (appData.colorize) {
3341 if (oldi > next_out) {
3342 SendToPlayer(&buf[next_out], oldi - next_out);
3345 Colorize(ColorShout, FALSE);
3346 curColor = ColorShout;
3349 started = STARTED_CHATTER;
3353 if (looking_at( buf, &i, "Challenge:")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorChallenge, FALSE);
3360 curColor = ColorChallenge;
3366 if (looking_at(buf, &i, "* offers you") ||
3367 looking_at(buf, &i, "* offers to be") ||
3368 looking_at(buf, &i, "* would like to") ||
3369 looking_at(buf, &i, "* requests to") ||
3370 looking_at(buf, &i, "Your opponent offers") ||
3371 looking_at(buf, &i, "Your opponent requests")) {
3373 if (appData.colorize) {
3374 if (oldi > next_out) {
3375 SendToPlayer(&buf[next_out], oldi - next_out);
3378 Colorize(ColorRequest, FALSE);
3379 curColor = ColorRequest;
3384 if (looking_at(buf, &i, "* (*) seeking")) {
3385 if (appData.colorize) {
3386 if (oldi > next_out) {
3387 SendToPlayer(&buf[next_out], oldi - next_out);
3390 Colorize(ColorSeek, FALSE);
3391 curColor = ColorSeek;
3396 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3398 if (looking_at(buf, &i, "\\ ")) {
3399 if (prevColor != ColorNormal) {
3400 if (oldi > next_out) {
3401 SendToPlayer(&buf[next_out], oldi - next_out);
3404 Colorize(prevColor, TRUE);
3405 curColor = prevColor;
3407 if (savingComment) {
3408 parse_pos = i - oldi;
3409 memcpy(parse, &buf[oldi], parse_pos);
3410 parse[parse_pos] = NULLCHAR;
3411 started = STARTED_COMMENT;
3412 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3413 chattingPartner = savingComment - 3; // kludge to remember the box
3415 started = STARTED_CHATTER;
3420 if (looking_at(buf, &i, "Black Strength :") ||
3421 looking_at(buf, &i, "<<< style 10 board >>>") ||
3422 looking_at(buf, &i, "<10>") ||
3423 looking_at(buf, &i, "#@#")) {
3424 /* Wrong board style */
3426 SendToICS(ics_prefix);
3427 SendToICS("set style 12\n");
3428 SendToICS(ics_prefix);
3429 SendToICS("refresh\n");
3433 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3435 have_sent_ICS_logon = 1;
3439 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3440 (looking_at(buf, &i, "\n<12> ") ||
3441 looking_at(buf, &i, "<12> "))) {
3443 if (oldi > next_out) {
3444 SendToPlayer(&buf[next_out], oldi - next_out);
3447 started = STARTED_BOARD;
3452 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3453 looking_at(buf, &i, "<b1> ")) {
3454 if (oldi > next_out) {
3455 SendToPlayer(&buf[next_out], oldi - next_out);
3458 started = STARTED_HOLDINGS;
3463 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3465 /* Header for a move list -- first line */
3467 switch (ics_getting_history) {
3471 case BeginningOfGame:
3472 /* User typed "moves" or "oldmoves" while we
3473 were idle. Pretend we asked for these
3474 moves and soak them up so user can step
3475 through them and/or save them.
3478 gameMode = IcsObserving;
3481 ics_getting_history = H_GOT_UNREQ_HEADER;
3483 case EditGame: /*?*/
3484 case EditPosition: /*?*/
3485 /* Should above feature work in these modes too? */
3486 /* For now it doesn't */
3487 ics_getting_history = H_GOT_UNWANTED_HEADER;
3490 ics_getting_history = H_GOT_UNWANTED_HEADER;
3495 /* Is this the right one? */
3496 if (gameInfo.white && gameInfo.black &&
3497 strcmp(gameInfo.white, star_match[0]) == 0 &&
3498 strcmp(gameInfo.black, star_match[2]) == 0) {
3500 ics_getting_history = H_GOT_REQ_HEADER;
3503 case H_GOT_REQ_HEADER:
3504 case H_GOT_UNREQ_HEADER:
3505 case H_GOT_UNWANTED_HEADER:
3506 case H_GETTING_MOVES:
3507 /* Should not happen */
3508 DisplayError(_("Error gathering move list: two headers"), 0);
3509 ics_getting_history = H_FALSE;
3513 /* Save player ratings into gameInfo if needed */
3514 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3515 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3516 (gameInfo.whiteRating == -1 ||
3517 gameInfo.blackRating == -1)) {
3519 gameInfo.whiteRating = string_to_rating(star_match[1]);
3520 gameInfo.blackRating = string_to_rating(star_match[3]);
3521 if (appData.debugMode)
3522 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3523 gameInfo.whiteRating, gameInfo.blackRating);
3528 if (looking_at(buf, &i,
3529 "* * match, initial time: * minute*, increment: * second")) {
3530 /* Header for a move list -- second line */
3531 /* Initial board will follow if this is a wild game */
3532 if (gameInfo.event != NULL) free(gameInfo.event);
3533 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3534 gameInfo.event = StrSave(str);
3535 /* [HGM] we switched variant. Translate boards if needed. */
3536 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3540 if (looking_at(buf, &i, "Move ")) {
3541 /* Beginning of a move list */
3542 switch (ics_getting_history) {
3544 /* Normally should not happen */
3545 /* Maybe user hit reset while we were parsing */
3548 /* Happens if we are ignoring a move list that is not
3549 * the one we just requested. Common if the user
3550 * tries to observe two games without turning off
3553 case H_GETTING_MOVES:
3554 /* Should not happen */
3555 DisplayError(_("Error gathering move list: nested"), 0);
3556 ics_getting_history = H_FALSE;
3558 case H_GOT_REQ_HEADER:
3559 ics_getting_history = H_GETTING_MOVES;
3560 started = STARTED_MOVES;
3562 if (oldi > next_out) {
3563 SendToPlayer(&buf[next_out], oldi - next_out);
3566 case H_GOT_UNREQ_HEADER:
3567 ics_getting_history = H_GETTING_MOVES;
3568 started = STARTED_MOVES_NOHIDE;
3571 case H_GOT_UNWANTED_HEADER:
3572 ics_getting_history = H_FALSE;
3578 if (looking_at(buf, &i, "% ") ||
3579 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3580 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3581 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3582 soughtPending = FALSE;
3586 if(suppressKibitz) next_out = i;
3587 savingComment = FALSE;
3591 case STARTED_MOVES_NOHIDE:
3592 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3593 parse[parse_pos + i - oldi] = NULLCHAR;
3594 ParseGameHistory(parse);
3596 if (appData.zippyPlay && first.initDone) {
3597 FeedMovesToProgram(&first, forwardMostMove);
3598 if (gameMode == IcsPlayingWhite) {
3599 if (WhiteOnMove(forwardMostMove)) {
3600 if (first.sendTime) {
3601 if (first.useColors) {
3602 SendToProgram("black\n", &first);
3604 SendTimeRemaining(&first, TRUE);
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3609 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3610 first.maybeThinking = TRUE;
3612 if (first.usePlayother) {
3613 if (first.sendTime) {
3614 SendTimeRemaining(&first, TRUE);
3616 SendToProgram("playother\n", &first);
3622 } else if (gameMode == IcsPlayingBlack) {
3623 if (!WhiteOnMove(forwardMostMove)) {
3624 if (first.sendTime) {
3625 if (first.useColors) {
3626 SendToProgram("white\n", &first);
3628 SendTimeRemaining(&first, FALSE);
3630 if (first.useColors) {
3631 SendToProgram("black\n", &first);
3633 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3634 first.maybeThinking = TRUE;
3636 if (first.usePlayother) {
3637 if (first.sendTime) {
3638 SendTimeRemaining(&first, FALSE);
3640 SendToProgram("playother\n", &first);
3649 if (gameMode == IcsObserving && ics_gamenum == -1) {
3650 /* Moves came from oldmoves or moves command
3651 while we weren't doing anything else.
3653 currentMove = forwardMostMove;
3654 ClearHighlights();/*!!could figure this out*/
3655 flipView = appData.flipView;
3656 DrawPosition(TRUE, boards[currentMove]);
3657 DisplayBothClocks();
3658 snprintf(str, MSG_SIZ, "%s %s %s",
3659 gameInfo.white, _("vs."), gameInfo.black);
3663 /* Moves were history of an active game */
3664 if (gameInfo.resultDetails != NULL) {
3665 free(gameInfo.resultDetails);
3666 gameInfo.resultDetails = NULL;
3669 HistorySet(parseList, backwardMostMove,
3670 forwardMostMove, currentMove-1);
3671 DisplayMove(currentMove - 1);
3672 if (started == STARTED_MOVES) next_out = i;
3673 started = STARTED_NONE;
3674 ics_getting_history = H_FALSE;
3677 case STARTED_OBSERVE:
3678 started = STARTED_NONE;
3679 SendToICS(ics_prefix);
3680 SendToICS("refresh\n");
3686 if(bookHit) { // [HGM] book: simulate book reply
3687 static char bookMove[MSG_SIZ]; // a bit generous?
3689 programStats.nodes = programStats.depth = programStats.time =
3690 programStats.score = programStats.got_only_move = 0;
3691 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3693 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3694 strcat(bookMove, bookHit);
3695 HandleMachineMove(bookMove, &first);
3700 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3701 started == STARTED_HOLDINGS ||
3702 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3703 /* Accumulate characters in move list or board */
3704 parse[parse_pos++] = buf[i];
3707 /* Start of game messages. Mostly we detect start of game
3708 when the first board image arrives. On some versions
3709 of the ICS, though, we need to do a "refresh" after starting
3710 to observe in order to get the current board right away. */
3711 if (looking_at(buf, &i, "Adding game * to observation list")) {
3712 started = STARTED_OBSERVE;
3716 /* Handle auto-observe */
3717 if (appData.autoObserve &&
3718 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3719 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3721 /* Choose the player that was highlighted, if any. */
3722 if (star_match[0][0] == '\033' ||
3723 star_match[1][0] != '\033') {
3724 player = star_match[0];
3726 player = star_match[2];
3728 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3729 ics_prefix, StripHighlightAndTitle(player));
3732 /* Save ratings from notify string */
3733 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3734 player1Rating = string_to_rating(star_match[1]);
3735 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3736 player2Rating = string_to_rating(star_match[3]);
3738 if (appData.debugMode)
3740 "Ratings from 'Game notification:' %s %d, %s %d\n",
3741 player1Name, player1Rating,
3742 player2Name, player2Rating);
3747 /* Deal with automatic examine mode after a game,
3748 and with IcsObserving -> IcsExamining transition */
3749 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3750 looking_at(buf, &i, "has made you an examiner of game *")) {
3752 int gamenum = atoi(star_match[0]);
3753 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3754 gamenum == ics_gamenum) {
3755 /* We were already playing or observing this game;
3756 no need to refetch history */
3757 gameMode = IcsExamining;
3759 pauseExamForwardMostMove = forwardMostMove;
3760 } else if (currentMove < forwardMostMove) {
3761 ForwardInner(forwardMostMove);
3764 /* I don't think this case really can happen */
3765 SendToICS(ics_prefix);
3766 SendToICS("refresh\n");
3771 /* Error messages */
3772 // if (ics_user_moved) {
3773 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3774 if (looking_at(buf, &i, "Illegal move") ||
3775 looking_at(buf, &i, "Not a legal move") ||
3776 looking_at(buf, &i, "Your king is in check") ||
3777 looking_at(buf, &i, "It isn't your turn") ||
3778 looking_at(buf, &i, "It is not your move")) {
3780 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3781 currentMove = forwardMostMove-1;
3782 DisplayMove(currentMove - 1); /* before DMError */
3783 DrawPosition(FALSE, boards[currentMove]);
3784 SwitchClocks(forwardMostMove-1); // [HGM] race
3785 DisplayBothClocks();
3787 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3793 if (looking_at(buf, &i, "still have time") ||
3794 looking_at(buf, &i, "not out of time") ||
3795 looking_at(buf, &i, "either player is out of time") ||
3796 looking_at(buf, &i, "has timeseal; checking")) {
3797 /* We must have called his flag a little too soon */
3798 whiteFlag = blackFlag = FALSE;
3802 if (looking_at(buf, &i, "added * seconds to") ||
3803 looking_at(buf, &i, "seconds were added to")) {
3804 /* Update the clocks */
3805 SendToICS(ics_prefix);
3806 SendToICS("refresh\n");
3810 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3811 ics_clock_paused = TRUE;
3816 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3817 ics_clock_paused = FALSE;
3822 /* Grab player ratings from the Creating: message.
3823 Note we have to check for the special case when
3824 the ICS inserts things like [white] or [black]. */
3825 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3826 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3828 0 player 1 name (not necessarily white)
3830 2 empty, white, or black (IGNORED)
3831 3 player 2 name (not necessarily black)
3834 The names/ratings are sorted out when the game
3835 actually starts (below).
3837 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3838 player1Rating = string_to_rating(star_match[1]);
3839 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3840 player2Rating = string_to_rating(star_match[4]);
3842 if (appData.debugMode)
3844 "Ratings from 'Creating:' %s %d, %s %d\n",
3845 player1Name, player1Rating,
3846 player2Name, player2Rating);
3851 /* Improved generic start/end-of-game messages */
3852 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3853 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3854 /* If tkind == 0: */
3855 /* star_match[0] is the game number */
3856 /* [1] is the white player's name */
3857 /* [2] is the black player's name */
3858 /* For end-of-game: */
3859 /* [3] is the reason for the game end */
3860 /* [4] is a PGN end game-token, preceded by " " */
3861 /* For start-of-game: */
3862 /* [3] begins with "Creating" or "Continuing" */
3863 /* [4] is " *" or empty (don't care). */
3864 int gamenum = atoi(star_match[0]);
3865 char *whitename, *blackname, *why, *endtoken;
3866 ChessMove endtype = EndOfFile;
3869 whitename = star_match[1];
3870 blackname = star_match[2];
3871 why = star_match[3];
3872 endtoken = star_match[4];
3874 whitename = star_match[1];
3875 blackname = star_match[3];
3876 why = star_match[5];
3877 endtoken = star_match[6];
3880 /* Game start messages */
3881 if (strncmp(why, "Creating ", 9) == 0 ||
3882 strncmp(why, "Continuing ", 11) == 0) {
3883 gs_gamenum = gamenum;
3884 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3885 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3886 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3888 if (appData.zippyPlay) {
3889 ZippyGameStart(whitename, blackname);
3892 partnerBoardValid = FALSE; // [HGM] bughouse
3896 /* Game end messages */
3897 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3898 ics_gamenum != gamenum) {
3901 while (endtoken[0] == ' ') endtoken++;
3902 switch (endtoken[0]) {
3905 endtype = GameUnfinished;
3908 endtype = BlackWins;
3911 if (endtoken[1] == '/')
3912 endtype = GameIsDrawn;
3914 endtype = WhiteWins;
3917 GameEnds(endtype, why, GE_ICS);
3919 if (appData.zippyPlay && first.initDone) {
3920 ZippyGameEnd(endtype, why);
3921 if (first.pr == NoProc) {
3922 /* Start the next process early so that we'll
3923 be ready for the next challenge */
3924 StartChessProgram(&first);
3926 /* Send "new" early, in case this command takes
3927 a long time to finish, so that we'll be ready
3928 for the next challenge. */
3929 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3933 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3937 if (looking_at(buf, &i, "Removing game * from observation") ||
3938 looking_at(buf, &i, "no longer observing game *") ||
3939 looking_at(buf, &i, "Game * (*) has no examiners")) {
3940 if (gameMode == IcsObserving &&
3941 atoi(star_match[0]) == ics_gamenum)
3943 /* icsEngineAnalyze */
3944 if (appData.icsEngineAnalyze) {
3951 ics_user_moved = FALSE;
3956 if (looking_at(buf, &i, "no longer examining game *")) {
3957 if (gameMode == IcsExamining &&
3958 atoi(star_match[0]) == ics_gamenum)
3962 ics_user_moved = FALSE;
3967 /* Advance leftover_start past any newlines we find,
3968 so only partial lines can get reparsed */
3969 if (looking_at(buf, &i, "\n")) {
3970 prevColor = curColor;
3971 if (curColor != ColorNormal) {
3972 if (oldi > next_out) {
3973 SendToPlayer(&buf[next_out], oldi - next_out);
3976 Colorize(ColorNormal, FALSE);
3977 curColor = ColorNormal;
3979 if (started == STARTED_BOARD) {
3980 started = STARTED_NONE;
3981 parse[parse_pos] = NULLCHAR;
3982 ParseBoard12(parse);
3985 /* Send premove here */
3986 if (appData.premove) {
3988 if (currentMove == 0 &&
3989 gameMode == IcsPlayingWhite &&
3990 appData.premoveWhite) {
3991 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3992 if (appData.debugMode)
3993 fprintf(debugFP, "Sending premove:\n");
3995 } else if (currentMove == 1 &&
3996 gameMode == IcsPlayingBlack &&
3997 appData.premoveBlack) {
3998 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3999 if (appData.debugMode)
4000 fprintf(debugFP, "Sending premove:\n");
4002 } else if (gotPremove) {
4004 ClearPremoveHighlights();
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Sending premove:\n");
4007 UserMoveEvent(premoveFromX, premoveFromY,
4008 premoveToX, premoveToY,
4013 /* Usually suppress following prompt */
4014 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4015 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4016 if (looking_at(buf, &i, "*% ")) {
4017 savingComment = FALSE;
4022 } else if (started == STARTED_HOLDINGS) {
4024 char new_piece[MSG_SIZ];
4025 started = STARTED_NONE;
4026 parse[parse_pos] = NULLCHAR;
4027 if (appData.debugMode)
4028 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4029 parse, currentMove);
4030 if (sscanf(parse, " game %d", &gamenum) == 1) {
4031 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4032 if (gameInfo.variant == VariantNormal) {
4033 /* [HGM] We seem to switch variant during a game!
4034 * Presumably no holdings were displayed, so we have
4035 * to move the position two files to the right to
4036 * create room for them!
4038 VariantClass newVariant;
4039 switch(gameInfo.boardWidth) { // base guess on board width
4040 case 9: newVariant = VariantShogi; break;
4041 case 10: newVariant = VariantGreat; break;
4042 default: newVariant = VariantCrazyhouse; break;
4044 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4045 /* Get a move list just to see the header, which
4046 will tell us whether this is really bug or zh */
4047 if (ics_getting_history == H_FALSE) {
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 new_piece[0] = NULLCHAR;
4054 sscanf(parse, "game %d white [%s black [%s <- %s",
4055 &gamenum, white_holding, black_holding,
4057 white_holding[strlen(white_holding)-1] = NULLCHAR;
4058 black_holding[strlen(black_holding)-1] = NULLCHAR;
4059 /* [HGM] copy holdings to board holdings area */
4060 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4061 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4062 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4064 if (appData.zippyPlay && first.initDone) {
4065 ZippyHoldings(white_holding, black_holding,
4069 if (tinyLayout || smallLayout) {
4070 char wh[16], bh[16];
4071 PackHolding(wh, white_holding);
4072 PackHolding(bh, black_holding);
4073 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4074 gameInfo.white, gameInfo.black);
4076 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4077 gameInfo.white, white_holding, _("vs."),
4078 gameInfo.black, black_holding);
4080 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4081 DrawPosition(FALSE, boards[currentMove]);
4083 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4084 sscanf(parse, "game %d white [%s black [%s <- %s",
4085 &gamenum, white_holding, black_holding,
4087 white_holding[strlen(white_holding)-1] = NULLCHAR;
4088 black_holding[strlen(black_holding)-1] = NULLCHAR;
4089 /* [HGM] copy holdings to partner-board holdings area */
4090 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4091 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4092 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4093 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4094 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4097 /* Suppress following prompt */
4098 if (looking_at(buf, &i, "*% ")) {
4099 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4100 savingComment = FALSE;
4108 i++; /* skip unparsed character and loop back */
4111 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4112 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4113 // SendToPlayer(&buf[next_out], i - next_out);
4114 started != STARTED_HOLDINGS && leftover_start > next_out) {
4115 SendToPlayer(&buf[next_out], leftover_start - next_out);
4119 leftover_len = buf_len - leftover_start;
4120 /* if buffer ends with something we couldn't parse,
4121 reparse it after appending the next read */
4123 } else if (count == 0) {
4124 RemoveInputSource(isr);
4125 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4127 DisplayFatalError(_("Error reading from ICS"), error, 1);
4132 /* Board style 12 looks like this:
4134 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4136 * The "<12> " is stripped before it gets to this routine. The two
4137 * trailing 0's (flip state and clock ticking) are later addition, and
4138 * some chess servers may not have them, or may have only the first.
4139 * Additional trailing fields may be added in the future.
4142 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4144 #define RELATION_OBSERVING_PLAYED 0
4145 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4146 #define RELATION_PLAYING_MYMOVE 1
4147 #define RELATION_PLAYING_NOTMYMOVE -1
4148 #define RELATION_EXAMINING 2
4149 #define RELATION_ISOLATED_BOARD -3
4150 #define RELATION_STARTING_POSITION -4 /* FICS only */
4153 ParseBoard12 (char *string)
4155 GameMode newGameMode;
4156 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4157 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4158 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4159 char to_play, board_chars[200];
4160 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4161 char black[32], white[32];
4163 int prevMove = currentMove;
4166 int fromX, fromY, toX, toY;
4168 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4169 char *bookHit = NULL; // [HGM] book
4170 Boolean weird = FALSE, reqFlag = FALSE;
4172 fromX = fromY = toX = toY = -1;
4176 if (appData.debugMode)
4177 fprintf(debugFP, _("Parsing board: %s\n"), string);
4179 move_str[0] = NULLCHAR;
4180 elapsed_time[0] = NULLCHAR;
4181 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4183 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4184 if(string[i] == ' ') { ranks++; files = 0; }
4186 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4189 for(j = 0; j <i; j++) board_chars[j] = string[j];
4190 board_chars[i] = '\0';
4193 n = sscanf(string, PATTERN, &to_play, &double_push,
4194 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4195 &gamenum, white, black, &relation, &basetime, &increment,
4196 &white_stren, &black_stren, &white_time, &black_time,
4197 &moveNum, str, elapsed_time, move_str, &ics_flip,
4201 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4202 DisplayError(str, 0);
4206 /* Convert the move number to internal form */
4207 moveNum = (moveNum - 1) * 2;
4208 if (to_play == 'B') moveNum++;
4209 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4210 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4216 case RELATION_OBSERVING_PLAYED:
4217 case RELATION_OBSERVING_STATIC:
4218 if (gamenum == -1) {
4219 /* Old ICC buglet */
4220 relation = RELATION_OBSERVING_STATIC;
4222 newGameMode = IcsObserving;
4224 case RELATION_PLAYING_MYMOVE:
4225 case RELATION_PLAYING_NOTMYMOVE:
4227 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4228 IcsPlayingWhite : IcsPlayingBlack;
4229 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4231 case RELATION_EXAMINING:
4232 newGameMode = IcsExamining;
4234 case RELATION_ISOLATED_BOARD:
4236 /* Just display this board. If user was doing something else,
4237 we will forget about it until the next board comes. */
4238 newGameMode = IcsIdle;
4240 case RELATION_STARTING_POSITION:
4241 newGameMode = gameMode;
4245 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4246 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4247 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4248 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4249 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4250 static int lastBgGame = -1;
4252 for (k = 0; k < ranks; k++) {
4253 for (j = 0; j < files; j++)
4254 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4255 if(gameInfo.holdingsWidth > 1) {
4256 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4257 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4260 CopyBoard(partnerBoard, board);
4261 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4262 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4263 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4264 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4265 if(toSqr = strchr(str, '-')) {
4266 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4267 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4268 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4269 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4270 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4271 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4273 DisplayWhiteClock(white_time*fac, to_play == 'W');
4274 DisplayBlackClock(black_time*fac, to_play != 'W');
4275 activePartner = to_play;
4276 if(gamenum != lastBgGame) {
4278 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4281 lastBgGame = gamenum;
4282 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4283 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4284 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4285 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4286 DisplayMessage(partnerStatus, "");
4287 partnerBoardValid = TRUE;
4291 if(appData.dualBoard && appData.bgObserve) {
4292 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4293 SendToICS(ics_prefix), SendToICS("pobserve\n");
4294 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4296 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4301 /* Modify behavior for initial board display on move listing
4304 switch (ics_getting_history) {
4308 case H_GOT_REQ_HEADER:
4309 case H_GOT_UNREQ_HEADER:
4310 /* This is the initial position of the current game */
4311 gamenum = ics_gamenum;
4312 moveNum = 0; /* old ICS bug workaround */
4313 if (to_play == 'B') {
4314 startedFromSetupPosition = TRUE;
4315 blackPlaysFirst = TRUE;
4317 if (forwardMostMove == 0) forwardMostMove = 1;
4318 if (backwardMostMove == 0) backwardMostMove = 1;
4319 if (currentMove == 0) currentMove = 1;
4321 newGameMode = gameMode;
4322 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4324 case H_GOT_UNWANTED_HEADER:
4325 /* This is an initial board that we don't want */
4327 case H_GETTING_MOVES:
4328 /* Should not happen */
4329 DisplayError(_("Error gathering move list: extra board"), 0);
4330 ics_getting_history = H_FALSE;
4334 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4335 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4336 weird && (int)gameInfo.variant < (int)VariantShogi) {
4337 /* [HGM] We seem to have switched variant unexpectedly
4338 * Try to guess new variant from board size
4340 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4341 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4342 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4343 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4344 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4345 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4346 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4347 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4348 /* Get a move list just to see the header, which
4349 will tell us whether this is really bug or zh */
4350 if (ics_getting_history == H_FALSE) {
4351 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4352 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4357 /* Take action if this is the first board of a new game, or of a
4358 different game than is currently being displayed. */
4359 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4360 relation == RELATION_ISOLATED_BOARD) {
4362 /* Forget the old game and get the history (if any) of the new one */
4363 if (gameMode != BeginningOfGame) {
4367 if (appData.autoRaiseBoard) BoardToTop();
4369 if (gamenum == -1) {
4370 newGameMode = IcsIdle;
4371 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4372 appData.getMoveList && !reqFlag) {
4373 /* Need to get game history */
4374 ics_getting_history = H_REQUESTED;
4375 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4379 /* Initially flip the board to have black on the bottom if playing
4380 black or if the ICS flip flag is set, but let the user change
4381 it with the Flip View button. */
4382 flipView = appData.autoFlipView ?
4383 (newGameMode == IcsPlayingBlack) || ics_flip :
4386 /* Done with values from previous mode; copy in new ones */
4387 gameMode = newGameMode;
4389 ics_gamenum = gamenum;
4390 if (gamenum == gs_gamenum) {
4391 int klen = strlen(gs_kind);
4392 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4393 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4394 gameInfo.event = StrSave(str);
4396 gameInfo.event = StrSave("ICS game");
4398 gameInfo.site = StrSave(appData.icsHost);
4399 gameInfo.date = PGNDate();
4400 gameInfo.round = StrSave("-");
4401 gameInfo.white = StrSave(white);
4402 gameInfo.black = StrSave(black);
4403 timeControl = basetime * 60 * 1000;
4405 timeIncrement = increment * 1000;
4406 movesPerSession = 0;
4407 gameInfo.timeControl = TimeControlTagValue();
4408 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4409 if (appData.debugMode) {
4410 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4411 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4412 setbuf(debugFP, NULL);
4415 gameInfo.outOfBook = NULL;
4417 /* Do we have the ratings? */
4418 if (strcmp(player1Name, white) == 0 &&
4419 strcmp(player2Name, black) == 0) {
4420 if (appData.debugMode)
4421 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4422 player1Rating, player2Rating);
4423 gameInfo.whiteRating = player1Rating;
4424 gameInfo.blackRating = player2Rating;
4425 } else if (strcmp(player2Name, white) == 0 &&
4426 strcmp(player1Name, black) == 0) {
4427 if (appData.debugMode)
4428 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4429 player2Rating, player1Rating);
4430 gameInfo.whiteRating = player2Rating;
4431 gameInfo.blackRating = player1Rating;
4433 player1Name[0] = player2Name[0] = NULLCHAR;
4435 /* Silence shouts if requested */
4436 if (appData.quietPlay &&
4437 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4438 SendToICS(ics_prefix);
4439 SendToICS("set shout 0\n");
4443 /* Deal with midgame name changes */
4445 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4446 if (gameInfo.white) free(gameInfo.white);
4447 gameInfo.white = StrSave(white);
4449 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4450 if (gameInfo.black) free(gameInfo.black);
4451 gameInfo.black = StrSave(black);
4455 /* Throw away game result if anything actually changes in examine mode */
4456 if (gameMode == IcsExamining && !newGame) {
4457 gameInfo.result = GameUnfinished;
4458 if (gameInfo.resultDetails != NULL) {
4459 free(gameInfo.resultDetails);
4460 gameInfo.resultDetails = NULL;
4464 /* In pausing && IcsExamining mode, we ignore boards coming
4465 in if they are in a different variation than we are. */
4466 if (pauseExamInvalid) return;
4467 if (pausing && gameMode == IcsExamining) {
4468 if (moveNum <= pauseExamForwardMostMove) {
4469 pauseExamInvalid = TRUE;
4470 forwardMostMove = pauseExamForwardMostMove;
4475 if (appData.debugMode) {
4476 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4478 /* Parse the board */
4479 for (k = 0; k < ranks; k++) {
4480 for (j = 0; j < files; j++)
4481 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4482 if(gameInfo.holdingsWidth > 1) {
4483 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4484 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4487 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4488 board[5][BOARD_RGHT+1] = WhiteAngel;
4489 board[6][BOARD_RGHT+1] = WhiteMarshall;
4490 board[1][0] = BlackMarshall;
4491 board[2][0] = BlackAngel;
4492 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4494 CopyBoard(boards[moveNum], board);
4495 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4497 startedFromSetupPosition =
4498 !CompareBoards(board, initialPosition);
4499 if(startedFromSetupPosition)
4500 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4503 /* [HGM] Set castling rights. Take the outermost Rooks,
4504 to make it also work for FRC opening positions. Note that board12
4505 is really defective for later FRC positions, as it has no way to
4506 indicate which Rook can castle if they are on the same side of King.
4507 For the initial position we grant rights to the outermost Rooks,
4508 and remember thos rights, and we then copy them on positions
4509 later in an FRC game. This means WB might not recognize castlings with
4510 Rooks that have moved back to their original position as illegal,
4511 but in ICS mode that is not its job anyway.
4513 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4514 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4516 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4517 if(board[0][i] == WhiteRook) j = i;
4518 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4519 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4520 if(board[0][i] == WhiteRook) j = i;
4521 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4522 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4523 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4524 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4525 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4526 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4527 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4529 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4530 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4531 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4532 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4533 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4534 if(board[BOARD_HEIGHT-1][k] == bKing)
4535 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4536 if(gameInfo.variant == VariantTwoKings) {
4537 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4538 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4539 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4542 r = boards[moveNum][CASTLING][0] = initialRights[0];
4543 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4544 r = boards[moveNum][CASTLING][1] = initialRights[1];
4545 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4546 r = boards[moveNum][CASTLING][3] = initialRights[3];
4547 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4548 r = boards[moveNum][CASTLING][4] = initialRights[4];
4549 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4550 /* wildcastle kludge: always assume King has rights */
4551 r = boards[moveNum][CASTLING][2] = initialRights[2];
4552 r = boards[moveNum][CASTLING][5] = initialRights[5];
4554 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4555 boards[moveNum][EP_STATUS] = EP_NONE;
4556 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4557 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4558 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4561 if (ics_getting_history == H_GOT_REQ_HEADER ||
4562 ics_getting_history == H_GOT_UNREQ_HEADER) {
4563 /* This was an initial position from a move list, not
4564 the current position */
4568 /* Update currentMove and known move number limits */
4569 newMove = newGame || moveNum > forwardMostMove;
4572 forwardMostMove = backwardMostMove = currentMove = moveNum;
4573 if (gameMode == IcsExamining && moveNum == 0) {
4574 /* Workaround for ICS limitation: we are not told the wild
4575 type when starting to examine a game. But if we ask for
4576 the move list, the move list header will tell us */
4577 ics_getting_history = H_REQUESTED;
4578 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4581 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4582 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4584 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4585 /* [HGM] applied this also to an engine that is silently watching */
4586 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4587 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4588 gameInfo.variant == currentlyInitializedVariant) {
4589 takeback = forwardMostMove - moveNum;
4590 for (i = 0; i < takeback; i++) {
4591 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4592 SendToProgram("undo\n", &first);
4597 forwardMostMove = moveNum;
4598 if (!pausing || currentMove > forwardMostMove)
4599 currentMove = forwardMostMove;
4601 /* New part of history that is not contiguous with old part */
4602 if (pausing && gameMode == IcsExamining) {
4603 pauseExamInvalid = TRUE;
4604 forwardMostMove = pauseExamForwardMostMove;
4607 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4609 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4610 // [HGM] when we will receive the move list we now request, it will be
4611 // fed to the engine from the first move on. So if the engine is not
4612 // in the initial position now, bring it there.
4613 InitChessProgram(&first, 0);
4616 ics_getting_history = H_REQUESTED;
4617 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4620 forwardMostMove = backwardMostMove = currentMove = moveNum;
4623 /* Update the clocks */
4624 if (strchr(elapsed_time, '.')) {
4626 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4627 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4629 /* Time is in seconds */
4630 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4631 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4636 if (appData.zippyPlay && newGame &&
4637 gameMode != IcsObserving && gameMode != IcsIdle &&
4638 gameMode != IcsExamining)
4639 ZippyFirstBoard(moveNum, basetime, increment);
4642 /* Put the move on the move list, first converting
4643 to canonical algebraic form. */
4645 if (appData.debugMode) {
4646 if (appData.debugMode) { int f = forwardMostMove;
4647 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4648 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4649 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4651 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4652 fprintf(debugFP, "moveNum = %d\n", moveNum);
4653 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4654 setbuf(debugFP, NULL);
4656 if (moveNum <= backwardMostMove) {
4657 /* We don't know what the board looked like before
4659 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4660 strcat(parseList[moveNum - 1], " ");
4661 strcat(parseList[moveNum - 1], elapsed_time);
4662 moveList[moveNum - 1][0] = NULLCHAR;
4663 } else if (strcmp(move_str, "none") == 0) {
4664 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4665 /* Again, we don't know what the board looked like;
4666 this is really the start of the game. */
4667 parseList[moveNum - 1][0] = NULLCHAR;
4668 moveList[moveNum - 1][0] = NULLCHAR;
4669 backwardMostMove = moveNum;
4670 startedFromSetupPosition = TRUE;
4671 fromX = fromY = toX = toY = -1;
4673 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4674 // So we parse the long-algebraic move string in stead of the SAN move
4675 int valid; char buf[MSG_SIZ], *prom;
4677 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4678 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4679 // str looks something like "Q/a1-a2"; kill the slash
4681 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4682 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4683 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4684 strcat(buf, prom); // long move lacks promo specification!
4685 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4686 if(appData.debugMode)
4687 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4688 safeStrCpy(move_str, buf, MSG_SIZ);
4690 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4691 &fromX, &fromY, &toX, &toY, &promoChar)
4692 || ParseOneMove(buf, moveNum - 1, &moveType,
4693 &fromX, &fromY, &toX, &toY, &promoChar);
4694 // end of long SAN patch
4696 (void) CoordsToAlgebraic(boards[moveNum - 1],
4697 PosFlags(moveNum - 1),
4698 fromY, fromX, toY, toX, promoChar,
4699 parseList[moveNum-1]);
4700 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4706 if(gameInfo.variant != VariantShogi)
4707 strcat(parseList[moveNum - 1], "+");
4710 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4711 strcat(parseList[moveNum - 1], "#");
4714 strcat(parseList[moveNum - 1], " ");
4715 strcat(parseList[moveNum - 1], elapsed_time);
4716 /* currentMoveString is set as a side-effect of ParseOneMove */
4717 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4718 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4719 strcat(moveList[moveNum - 1], "\n");
4721 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4722 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4723 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4724 ChessSquare old, new = boards[moveNum][k][j];
4725 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4726 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4727 if(old == new) continue;
4728 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4729 else if(new == WhiteWazir || new == BlackWazir) {
4730 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4731 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4732 else boards[moveNum][k][j] = old; // preserve type of Gold
4733 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4734 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4737 /* Move from ICS was illegal!? Punt. */
4738 if (appData.debugMode) {
4739 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4740 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4742 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4743 strcat(parseList[moveNum - 1], " ");
4744 strcat(parseList[moveNum - 1], elapsed_time);
4745 moveList[moveNum - 1][0] = NULLCHAR;
4746 fromX = fromY = toX = toY = -1;
4749 if (appData.debugMode) {
4750 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4751 setbuf(debugFP, NULL);
4755 /* Send move to chess program (BEFORE animating it). */
4756 if (appData.zippyPlay && !newGame && newMove &&
4757 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4759 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4760 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4761 if (moveList[moveNum - 1][0] == NULLCHAR) {
4762 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4764 DisplayError(str, 0);
4766 if (first.sendTime) {
4767 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4769 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4770 if (firstMove && !bookHit) {
4772 if (first.useColors) {
4773 SendToProgram(gameMode == IcsPlayingWhite ?
4775 "black\ngo\n", &first);
4777 SendToProgram("go\n", &first);
4779 first.maybeThinking = TRUE;
4782 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4783 if (moveList[moveNum - 1][0] == NULLCHAR) {
4784 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4785 DisplayError(str, 0);
4787 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4788 SendMoveToProgram(moveNum - 1, &first);
4795 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4796 /* If move comes from a remote source, animate it. If it
4797 isn't remote, it will have already been animated. */
4798 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4799 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4801 if (!pausing && appData.highlightLastMove) {
4802 SetHighlights(fromX, fromY, toX, toY);
4806 /* Start the clocks */
4807 whiteFlag = blackFlag = FALSE;
4808 appData.clockMode = !(basetime == 0 && increment == 0);
4810 ics_clock_paused = TRUE;
4812 } else if (ticking == 1) {
4813 ics_clock_paused = FALSE;
4815 if (gameMode == IcsIdle ||
4816 relation == RELATION_OBSERVING_STATIC ||
4817 relation == RELATION_EXAMINING ||
4819 DisplayBothClocks();
4823 /* Display opponents and material strengths */
4824 if (gameInfo.variant != VariantBughouse &&
4825 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4826 if (tinyLayout || smallLayout) {
4827 if(gameInfo.variant == VariantNormal)
4828 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4829 gameInfo.white, white_stren, gameInfo.black, black_stren,
4830 basetime, increment);
4832 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4833 gameInfo.white, white_stren, gameInfo.black, black_stren,
4834 basetime, increment, (int) gameInfo.variant);
4836 if(gameInfo.variant == VariantNormal)
4837 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4838 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4839 basetime, increment);
4841 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4842 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4843 basetime, increment, VariantName(gameInfo.variant));
4846 if (appData.debugMode) {
4847 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4852 /* Display the board */
4853 if (!pausing && !appData.noGUI) {
4855 if (appData.premove)
4857 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4858 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4859 ClearPremoveHighlights();
4861 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4862 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4863 DrawPosition(j, boards[currentMove]);
4865 DisplayMove(moveNum - 1);
4866 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4867 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4868 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4869 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4873 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4875 if(bookHit) { // [HGM] book: simulate book reply
4876 static char bookMove[MSG_SIZ]; // a bit generous?
4878 programStats.nodes = programStats.depth = programStats.time =
4879 programStats.score = programStats.got_only_move = 0;
4880 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4882 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4883 strcat(bookMove, bookHit);
4884 HandleMachineMove(bookMove, &first);
4893 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4894 ics_getting_history = H_REQUESTED;
4895 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4901 AnalysisPeriodicEvent (int force)
4903 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4904 && !force) || !appData.periodicUpdates)
4907 /* Send . command to Crafty to collect stats */
4908 SendToProgram(".\n", &first);
4909 if(second.analyzing) SendToProgram(".\n", &second);
4911 /* Don't send another until we get a response (this makes
4912 us stop sending to old Crafty's which don't understand
4913 the "." command (sending illegal cmds resets node count & time,
4914 which looks bad)) */
4915 programStats.ok_to_send = 0;
4919 ics_update_width (int new_width)
4921 ics_printf("set width %d\n", new_width);
4925 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4929 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4930 // null move in variant where engine does not understand it (for analysis purposes)
4931 SendBoard(cps, moveNum + 1); // send position after move in stead.
4934 if (cps->useUsermove) {
4935 SendToProgram("usermove ", cps);
4939 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4940 int len = space - parseList[moveNum];
4941 memcpy(buf, parseList[moveNum], len);
4943 buf[len] = NULLCHAR;
4945 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4947 SendToProgram(buf, cps);
4949 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4950 AlphaRank(moveList[moveNum], 4);
4951 SendToProgram(moveList[moveNum], cps);
4952 AlphaRank(moveList[moveNum], 4); // and back
4954 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4955 * the engine. It would be nice to have a better way to identify castle
4957 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4958 && cps->useOOCastle) {
4959 int fromX = moveList[moveNum][0] - AAA;
4960 int fromY = moveList[moveNum][1] - ONE;
4961 int toX = moveList[moveNum][2] - AAA;
4962 int toY = moveList[moveNum][3] - ONE;
4963 if((boards[moveNum][fromY][fromX] == WhiteKing
4964 && boards[moveNum][toY][toX] == WhiteRook)
4965 || (boards[moveNum][fromY][fromX] == BlackKing
4966 && boards[moveNum][toY][toX] == BlackRook)) {
4967 if(toX > fromX) SendToProgram("O-O\n", cps);
4968 else SendToProgram("O-O-O\n", cps);
4970 else SendToProgram(moveList[moveNum], cps);
4972 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4973 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4974 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4975 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4976 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4978 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4979 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4980 SendToProgram(buf, cps);
4982 else SendToProgram(moveList[moveNum], cps);
4983 /* End of additions by Tord */
4986 /* [HGM] setting up the opening has brought engine in force mode! */
4987 /* Send 'go' if we are in a mode where machine should play. */
4988 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4989 (gameMode == TwoMachinesPlay ||
4991 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4993 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4994 SendToProgram("go\n", cps);
4995 if (appData.debugMode) {
4996 fprintf(debugFP, "(extra)\n");
4999 setboardSpoiledMachineBlack = 0;
5003 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5005 char user_move[MSG_SIZ];
5008 if(gameInfo.variant == VariantSChess && promoChar) {
5009 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5010 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5011 } else suffix[0] = NULLCHAR;
5015 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5016 (int)moveType, fromX, fromY, toX, toY);
5017 DisplayError(user_move + strlen("say "), 0);
5019 case WhiteKingSideCastle:
5020 case BlackKingSideCastle:
5021 case WhiteQueenSideCastleWild:
5022 case BlackQueenSideCastleWild:
5024 case WhiteHSideCastleFR:
5025 case BlackHSideCastleFR:
5027 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5029 case WhiteQueenSideCastle:
5030 case BlackQueenSideCastle:
5031 case WhiteKingSideCastleWild:
5032 case BlackKingSideCastleWild:
5034 case WhiteASideCastleFR:
5035 case BlackASideCastleFR:
5037 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5039 case WhiteNonPromotion:
5040 case BlackNonPromotion:
5041 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5043 case WhitePromotion:
5044 case BlackPromotion:
5045 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5046 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5047 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5048 PieceToChar(WhiteFerz));
5049 else if(gameInfo.variant == VariantGreat)
5050 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5051 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5052 PieceToChar(WhiteMan));
5054 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5055 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5061 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5062 ToUpper(PieceToChar((ChessSquare) fromX)),
5063 AAA + toX, ONE + toY);
5065 case IllegalMove: /* could be a variant we don't quite understand */
5066 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5068 case WhiteCapturesEnPassant:
5069 case BlackCapturesEnPassant:
5070 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5071 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5074 SendToICS(user_move);
5075 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5076 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5081 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5082 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5083 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5084 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5085 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5088 if(gameMode != IcsExamining) { // is this ever not the case?
5089 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5091 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5092 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5093 } else { // on FICS we must first go to general examine mode
5094 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5096 if(gameInfo.variant != VariantNormal) {
5097 // try figure out wild number, as xboard names are not always valid on ICS
5098 for(i=1; i<=36; i++) {
5099 snprintf(buf, MSG_SIZ, "wild/%d", i);
5100 if(StringToVariant(buf) == gameInfo.variant) break;
5102 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5103 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5104 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5105 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5106 SendToICS(ics_prefix);
5108 if(startedFromSetupPosition || backwardMostMove != 0) {
5109 fen = PositionToFEN(backwardMostMove, NULL);
5110 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5111 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5113 } else { // FICS: everything has to set by separate bsetup commands
5114 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5115 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5117 if(!WhiteOnMove(backwardMostMove)) {
5118 SendToICS("bsetup tomove black\n");
5120 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5121 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5123 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5124 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5126 i = boards[backwardMostMove][EP_STATUS];
5127 if(i >= 0) { // set e.p.
5128 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5134 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5135 SendToICS("bsetup done\n"); // switch to normal examining.
5137 for(i = backwardMostMove; i<last; i++) {
5139 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5140 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5141 int len = strlen(moveList[i]);
5142 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5143 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5147 SendToICS(ics_prefix);
5148 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5152 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5154 if (rf == DROP_RANK) {
5155 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5156 sprintf(move, "%c@%c%c\n",
5157 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5159 if (promoChar == 'x' || promoChar == NULLCHAR) {
5160 sprintf(move, "%c%c%c%c\n",
5161 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5163 sprintf(move, "%c%c%c%c%c\n",
5164 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5170 ProcessICSInitScript (FILE *f)
5174 while (fgets(buf, MSG_SIZ, f)) {
5175 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5182 static int lastX, lastY, selectFlag, dragging;
5187 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5188 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5189 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5190 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5191 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5192 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5195 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5196 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5197 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5198 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5199 if(!step) step = -1;
5200 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5201 appData.testLegality && (promoSweep == king ||
5202 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5204 int victim = boards[currentMove][toY][toX];
5205 boards[currentMove][toY][toX] = promoSweep;
5206 DrawPosition(FALSE, boards[currentMove]);
5207 boards[currentMove][toY][toX] = victim;
5209 ChangeDragPiece(promoSweep);
5213 PromoScroll (int x, int y)
5217 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5218 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5219 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5220 if(!step) return FALSE;
5221 lastX = x; lastY = y;
5222 if((promoSweep < BlackPawn) == flipView) step = -step;
5223 if(step > 0) selectFlag = 1;
5224 if(!selectFlag) Sweep(step);
5229 NextPiece (int step)
5231 ChessSquare piece = boards[currentMove][toY][toX];
5234 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5235 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5236 if(!step) step = -1;
5237 } while(PieceToChar(pieceSweep) == '.');
5238 boards[currentMove][toY][toX] = pieceSweep;
5239 DrawPosition(FALSE, boards[currentMove]);
5240 boards[currentMove][toY][toX] = piece;
5242 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5244 AlphaRank (char *move, int n)
5246 // char *p = move, c; int x, y;
5248 if (appData.debugMode) {
5249 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5253 move[2]>='0' && move[2]<='9' &&
5254 move[3]>='a' && move[3]<='x' ) {
5256 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5257 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5259 if(move[0]>='0' && move[0]<='9' &&
5260 move[1]>='a' && move[1]<='x' &&
5261 move[2]>='0' && move[2]<='9' &&
5262 move[3]>='a' && move[3]<='x' ) {
5263 /* input move, Shogi -> normal */
5264 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5265 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5266 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5267 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5270 move[3]>='0' && move[3]<='9' &&
5271 move[2]>='a' && move[2]<='x' ) {
5273 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5274 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5277 move[0]>='a' && move[0]<='x' &&
5278 move[3]>='0' && move[3]<='9' &&
5279 move[2]>='a' && move[2]<='x' ) {
5280 /* output move, normal -> Shogi */
5281 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5282 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5283 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5284 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5285 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5287 if (appData.debugMode) {
5288 fprintf(debugFP, " out = '%s'\n", move);
5292 char yy_textstr[8000];
5294 /* Parser for moves from gnuchess, ICS, or user typein box */
5296 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5298 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5300 switch (*moveType) {
5301 case WhitePromotion:
5302 case BlackPromotion:
5303 case WhiteNonPromotion:
5304 case BlackNonPromotion:
5306 case WhiteCapturesEnPassant:
5307 case BlackCapturesEnPassant:
5308 case WhiteKingSideCastle:
5309 case WhiteQueenSideCastle:
5310 case BlackKingSideCastle:
5311 case BlackQueenSideCastle:
5312 case WhiteKingSideCastleWild:
5313 case WhiteQueenSideCastleWild:
5314 case BlackKingSideCastleWild:
5315 case BlackQueenSideCastleWild:
5316 /* Code added by Tord: */
5317 case WhiteHSideCastleFR:
5318 case WhiteASideCastleFR:
5319 case BlackHSideCastleFR:
5320 case BlackASideCastleFR:
5321 /* End of code added by Tord */
5322 case IllegalMove: /* bug or odd chess variant */
5323 *fromX = currentMoveString[0] - AAA;
5324 *fromY = currentMoveString[1] - ONE;
5325 *toX = currentMoveString[2] - AAA;
5326 *toY = currentMoveString[3] - ONE;
5327 *promoChar = currentMoveString[4];
5328 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5329 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5330 if (appData.debugMode) {
5331 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5333 *fromX = *fromY = *toX = *toY = 0;
5336 if (appData.testLegality) {
5337 return (*moveType != IllegalMove);
5339 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5340 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5345 *fromX = *moveType == WhiteDrop ?
5346 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5347 (int) CharToPiece(ToLower(currentMoveString[0]));
5349 *toX = currentMoveString[2] - AAA;
5350 *toY = currentMoveString[3] - ONE;
5351 *promoChar = NULLCHAR;
5355 case ImpossibleMove:
5365 if (appData.debugMode) {
5366 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5369 *fromX = *fromY = *toX = *toY = 0;
5370 *promoChar = NULLCHAR;
5375 Boolean pushed = FALSE;
5376 char *lastParseAttempt;
5379 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5380 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5381 int fromX, fromY, toX, toY; char promoChar;
5386 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5387 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5390 endPV = forwardMostMove;
5392 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5393 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5394 lastParseAttempt = pv;
5395 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5396 if(!valid && nr == 0 &&
5397 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5398 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5399 // Hande case where played move is different from leading PV move
5400 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5401 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5402 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5403 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5404 endPV += 2; // if position different, keep this
5405 moveList[endPV-1][0] = fromX + AAA;
5406 moveList[endPV-1][1] = fromY + ONE;
5407 moveList[endPV-1][2] = toX + AAA;
5408 moveList[endPV-1][3] = toY + ONE;
5409 parseList[endPV-1][0] = NULLCHAR;
5410 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5413 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5414 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5415 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5416 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5417 valid++; // allow comments in PV
5421 if(endPV+1 > framePtr) break; // no space, truncate
5424 CopyBoard(boards[endPV], boards[endPV-1]);
5425 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5426 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5427 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5428 CoordsToAlgebraic(boards[endPV - 1],
5429 PosFlags(endPV - 1),
5430 fromY, fromX, toY, toX, promoChar,
5431 parseList[endPV - 1]);
5433 if(atEnd == 2) return; // used hidden, for PV conversion
5434 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5435 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5436 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5437 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5438 DrawPosition(TRUE, boards[currentMove]);
5442 MultiPV (ChessProgramState *cps)
5443 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5445 for(i=0; i<cps->nrOptions; i++)
5446 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5452 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5454 int startPV, multi, lineStart, origIndex = index;
5455 char *p, buf2[MSG_SIZ];
5456 ChessProgramState *cps = (pane ? &second : &first);
5458 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5459 lastX = x; lastY = y;
5460 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5461 lineStart = startPV = index;
5462 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5463 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5465 do{ while(buf[index] && buf[index] != '\n') index++;
5466 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5468 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5469 int n = cps->option[multi].value;
5470 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5471 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5472 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5473 cps->option[multi].value = n;
5476 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5477 ExcludeClick(origIndex - lineStart);
5480 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5481 *start = startPV; *end = index-1;
5488 static char buf[10*MSG_SIZ];
5489 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5491 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5492 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5493 for(i = forwardMostMove; i<endPV; i++){
5494 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5495 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5498 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5499 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5505 LoadPV (int x, int y)
5506 { // called on right mouse click to load PV
5507 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5508 lastX = x; lastY = y;
5509 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5516 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5517 if(endPV < 0) return;
5518 if(appData.autoCopyPV) CopyFENToClipboard();
5520 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5521 Boolean saveAnimate = appData.animate;
5523 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5524 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5525 } else storedGames--; // abandon shelved tail of original game
5528 forwardMostMove = currentMove;
5529 currentMove = oldFMM;
5530 appData.animate = FALSE;
5531 ToNrEvent(forwardMostMove);
5532 appData.animate = saveAnimate;
5534 currentMove = forwardMostMove;
5535 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5536 ClearPremoveHighlights();
5537 DrawPosition(TRUE, boards[currentMove]);
5541 MovePV (int x, int y, int h)
5542 { // step through PV based on mouse coordinates (called on mouse move)
5543 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5545 // we must somehow check if right button is still down (might be released off board!)
5546 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5547 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5548 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5550 lastX = x; lastY = y;
5552 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5553 if(endPV < 0) return;
5554 if(y < margin) step = 1; else
5555 if(y > h - margin) step = -1;
5556 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5557 currentMove += step;
5558 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5559 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5560 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5561 DrawPosition(FALSE, boards[currentMove]);
5565 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5566 // All positions will have equal probability, but the current method will not provide a unique
5567 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5573 int piecesLeft[(int)BlackPawn];
5574 int seed, nrOfShuffles;
5577 GetPositionNumber ()
5578 { // sets global variable seed
5581 seed = appData.defaultFrcPosition;
5582 if(seed < 0) { // randomize based on time for negative FRC position numbers
5583 for(i=0; i<50; i++) seed += random();
5584 seed = random() ^ random() >> 8 ^ random() << 8;
5585 if(seed<0) seed = -seed;
5590 put (Board board, int pieceType, int rank, int n, int shade)
5591 // put the piece on the (n-1)-th empty squares of the given shade
5595 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5596 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5597 board[rank][i] = (ChessSquare) pieceType;
5598 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5600 piecesLeft[pieceType]--;
5609 AddOnePiece (Board board, int pieceType, int rank, int shade)
5610 // calculate where the next piece goes, (any empty square), and put it there
5614 i = seed % squaresLeft[shade];
5615 nrOfShuffles *= squaresLeft[shade];
5616 seed /= squaresLeft[shade];
5617 put(board, pieceType, rank, i, shade);
5621 AddTwoPieces (Board board, int pieceType, int rank)
5622 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5624 int i, n=squaresLeft[ANY], j=n-1, k;
5626 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5627 i = seed % k; // pick one
5630 while(i >= j) i -= j--;
5631 j = n - 1 - j; i += j;
5632 put(board, pieceType, rank, j, ANY);
5633 put(board, pieceType, rank, i, ANY);
5637 SetUpShuffle (Board board, int number)
5641 GetPositionNumber(); nrOfShuffles = 1;
5643 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5644 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5645 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5647 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5650 p = (int) board[0][i];
5651 if(p < (int) BlackPawn) piecesLeft[p] ++;
5652 board[0][i] = EmptySquare;
5655 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5656 // shuffles restricted to allow normal castling put KRR first
5657 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5658 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5659 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5660 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5661 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5662 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5663 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5664 put(board, WhiteRook, 0, 0, ANY);
5665 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5668 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5669 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5670 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5671 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5672 while(piecesLeft[p] >= 2) {
5673 AddOnePiece(board, p, 0, LITE);
5674 AddOnePiece(board, p, 0, DARK);
5676 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5679 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5680 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5681 // but we leave King and Rooks for last, to possibly obey FRC restriction
5682 if(p == (int)WhiteRook) continue;
5683 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5684 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5687 // now everything is placed, except perhaps King (Unicorn) and Rooks
5689 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5690 // Last King gets castling rights
5691 while(piecesLeft[(int)WhiteUnicorn]) {
5692 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5693 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5696 while(piecesLeft[(int)WhiteKing]) {
5697 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5698 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5703 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5704 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5707 // Only Rooks can be left; simply place them all
5708 while(piecesLeft[(int)WhiteRook]) {
5709 i = put(board, WhiteRook, 0, 0, ANY);
5710 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5713 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5715 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5718 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5719 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5722 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5726 SetCharTable (char *table, const char * map)
5727 /* [HGM] moved here from winboard.c because of its general usefulness */
5728 /* Basically a safe strcpy that uses the last character as King */
5730 int result = FALSE; int NrPieces;
5732 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5733 && NrPieces >= 12 && !(NrPieces&1)) {
5734 int i; /* [HGM] Accept even length from 12 to 34 */
5736 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5737 for( i=0; i<NrPieces/2-1; i++ ) {
5739 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5741 table[(int) WhiteKing] = map[NrPieces/2-1];
5742 table[(int) BlackKing] = map[NrPieces-1];
5751 Prelude (Board board)
5752 { // [HGM] superchess: random selection of exo-pieces
5753 int i, j, k; ChessSquare p;
5754 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5756 GetPositionNumber(); // use FRC position number
5758 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5759 SetCharTable(pieceToChar, appData.pieceToCharTable);
5760 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5761 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5764 j = seed%4; seed /= 4;
5765 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5766 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5767 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5768 j = seed%3 + (seed%3 >= j); seed /= 3;
5769 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5770 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5771 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5772 j = seed%3; seed /= 3;
5773 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5774 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5775 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5776 j = seed%2 + (seed%2 >= j); seed /= 2;
5777 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5778 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5779 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5780 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5781 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5782 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5783 put(board, exoPieces[0], 0, 0, ANY);
5784 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5788 InitPosition (int redraw)
5790 ChessSquare (* pieces)[BOARD_FILES];
5791 int i, j, pawnRow, overrule,
5792 oldx = gameInfo.boardWidth,
5793 oldy = gameInfo.boardHeight,
5794 oldh = gameInfo.holdingsWidth;
5797 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5799 /* [AS] Initialize pv info list [HGM] and game status */
5801 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5802 pvInfoList[i].depth = 0;
5803 boards[i][EP_STATUS] = EP_NONE;
5804 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5807 initialRulePlies = 0; /* 50-move counter start */
5809 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5810 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5814 /* [HGM] logic here is completely changed. In stead of full positions */
5815 /* the initialized data only consist of the two backranks. The switch */
5816 /* selects which one we will use, which is than copied to the Board */
5817 /* initialPosition, which for the rest is initialized by Pawns and */
5818 /* empty squares. This initial position is then copied to boards[0], */
5819 /* possibly after shuffling, so that it remains available. */
5821 gameInfo.holdingsWidth = 0; /* default board sizes */
5822 gameInfo.boardWidth = 8;
5823 gameInfo.boardHeight = 8;
5824 gameInfo.holdingsSize = 0;
5825 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5826 for(i=0; i<BOARD_FILES-2; i++)
5827 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5828 initialPosition[EP_STATUS] = EP_NONE;
5829 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5830 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5831 SetCharTable(pieceNickName, appData.pieceNickNames);
5832 else SetCharTable(pieceNickName, "............");
5835 switch (gameInfo.variant) {
5836 case VariantFischeRandom:
5837 shuffleOpenings = TRUE;
5840 case VariantShatranj:
5841 pieces = ShatranjArray;
5842 nrCastlingRights = 0;
5843 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5846 pieces = makrukArray;
5847 nrCastlingRights = 0;
5848 startedFromSetupPosition = TRUE;
5849 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5851 case VariantTwoKings:
5852 pieces = twoKingsArray;
5855 pieces = GrandArray;
5856 nrCastlingRights = 0;
5857 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5858 gameInfo.boardWidth = 10;
5859 gameInfo.boardHeight = 10;
5860 gameInfo.holdingsSize = 7;
5862 case VariantCapaRandom:
5863 shuffleOpenings = TRUE;
5864 case VariantCapablanca:
5865 pieces = CapablancaArray;
5866 gameInfo.boardWidth = 10;
5867 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5870 pieces = GothicArray;
5871 gameInfo.boardWidth = 10;
5872 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5875 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5876 gameInfo.holdingsSize = 7;
5877 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5880 pieces = JanusArray;
5881 gameInfo.boardWidth = 10;
5882 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5883 nrCastlingRights = 6;
5884 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5885 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5886 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5887 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5888 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5889 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5892 pieces = FalconArray;
5893 gameInfo.boardWidth = 10;
5894 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5896 case VariantXiangqi:
5897 pieces = XiangqiArray;
5898 gameInfo.boardWidth = 9;
5899 gameInfo.boardHeight = 10;
5900 nrCastlingRights = 0;
5901 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5904 pieces = ShogiArray;
5905 gameInfo.boardWidth = 9;
5906 gameInfo.boardHeight = 9;
5907 gameInfo.holdingsSize = 7;
5908 nrCastlingRights = 0;
5909 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5911 case VariantCourier:
5912 pieces = CourierArray;
5913 gameInfo.boardWidth = 12;
5914 nrCastlingRights = 0;
5915 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5917 case VariantKnightmate:
5918 pieces = KnightmateArray;
5919 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5921 case VariantSpartan:
5922 pieces = SpartanArray;
5923 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5926 pieces = fairyArray;
5927 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5930 pieces = GreatArray;
5931 gameInfo.boardWidth = 10;
5932 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5933 gameInfo.holdingsSize = 8;
5937 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5938 gameInfo.holdingsSize = 8;
5939 startedFromSetupPosition = TRUE;
5941 case VariantCrazyhouse:
5942 case VariantBughouse:
5944 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5945 gameInfo.holdingsSize = 5;
5947 case VariantWildCastle:
5949 /* !!?shuffle with kings guaranteed to be on d or e file */
5950 shuffleOpenings = 1;
5952 case VariantNoCastle:
5954 nrCastlingRights = 0;
5955 /* !!?unconstrained back-rank shuffle */
5956 shuffleOpenings = 1;
5961 if(appData.NrFiles >= 0) {
5962 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5963 gameInfo.boardWidth = appData.NrFiles;
5965 if(appData.NrRanks >= 0) {
5966 gameInfo.boardHeight = appData.NrRanks;
5968 if(appData.holdingsSize >= 0) {
5969 i = appData.holdingsSize;
5970 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5971 gameInfo.holdingsSize = i;
5973 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5974 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5975 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5977 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5978 if(pawnRow < 1) pawnRow = 1;
5979 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5981 /* User pieceToChar list overrules defaults */
5982 if(appData.pieceToCharTable != NULL)
5983 SetCharTable(pieceToChar, appData.pieceToCharTable);
5985 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5987 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5988 s = (ChessSquare) 0; /* account holding counts in guard band */
5989 for( i=0; i<BOARD_HEIGHT; i++ )
5990 initialPosition[i][j] = s;
5992 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5993 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5994 initialPosition[pawnRow][j] = WhitePawn;
5995 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5996 if(gameInfo.variant == VariantXiangqi) {
5998 initialPosition[pawnRow][j] =
5999 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6000 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6001 initialPosition[2][j] = WhiteCannon;
6002 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6006 if(gameInfo.variant == VariantGrand) {
6007 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6008 initialPosition[0][j] = WhiteRook;
6009 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6012 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6014 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6017 initialPosition[1][j] = WhiteBishop;
6018 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6020 initialPosition[1][j] = WhiteRook;
6021 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6024 if( nrCastlingRights == -1) {
6025 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6026 /* This sets default castling rights from none to normal corners */
6027 /* Variants with other castling rights must set them themselves above */
6028 nrCastlingRights = 6;
6030 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6031 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6032 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6033 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6034 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6035 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6038 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6039 if(gameInfo.variant == VariantGreat) { // promotion commoners
6040 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6041 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6042 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6043 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6045 if( gameInfo.variant == VariantSChess ) {
6046 initialPosition[1][0] = BlackMarshall;
6047 initialPosition[2][0] = BlackAngel;
6048 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6049 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6050 initialPosition[1][1] = initialPosition[2][1] =
6051 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6053 if (appData.debugMode) {
6054 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6056 if(shuffleOpenings) {
6057 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6058 startedFromSetupPosition = TRUE;
6060 if(startedFromPositionFile) {
6061 /* [HGM] loadPos: use PositionFile for every new game */
6062 CopyBoard(initialPosition, filePosition);
6063 for(i=0; i<nrCastlingRights; i++)
6064 initialRights[i] = filePosition[CASTLING][i];
6065 startedFromSetupPosition = TRUE;
6068 CopyBoard(boards[0], initialPosition);
6070 if(oldx != gameInfo.boardWidth ||
6071 oldy != gameInfo.boardHeight ||
6072 oldv != gameInfo.variant ||
6073 oldh != gameInfo.holdingsWidth
6075 InitDrawingSizes(-2 ,0);
6077 oldv = gameInfo.variant;
6079 DrawPosition(TRUE, boards[currentMove]);
6083 SendBoard (ChessProgramState *cps, int moveNum)
6085 char message[MSG_SIZ];
6087 if (cps->useSetboard) {
6088 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6089 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6090 SendToProgram(message, cps);
6095 int i, j, left=0, right=BOARD_WIDTH;
6096 /* Kludge to set black to move, avoiding the troublesome and now
6097 * deprecated "black" command.
6099 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6100 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6102 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6104 SendToProgram("edit\n", cps);
6105 SendToProgram("#\n", cps);
6106 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6107 bp = &boards[moveNum][i][left];
6108 for (j = left; j < right; j++, bp++) {
6109 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6110 if ((int) *bp < (int) BlackPawn) {
6111 if(j == BOARD_RGHT+1)
6112 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6113 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6114 if(message[0] == '+' || message[0] == '~') {
6115 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6116 PieceToChar((ChessSquare)(DEMOTED *bp)),
6119 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6120 message[1] = BOARD_RGHT - 1 - j + '1';
6121 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6123 SendToProgram(message, cps);
6128 SendToProgram("c\n", cps);
6129 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6130 bp = &boards[moveNum][i][left];
6131 for (j = left; j < right; j++, bp++) {
6132 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6133 if (((int) *bp != (int) EmptySquare)
6134 && ((int) *bp >= (int) BlackPawn)) {
6135 if(j == BOARD_LEFT-2)
6136 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6137 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6139 if(message[0] == '+' || message[0] == '~') {
6140 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6141 PieceToChar((ChessSquare)(DEMOTED *bp)),
6144 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6145 message[1] = BOARD_RGHT - 1 - j + '1';
6146 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6148 SendToProgram(message, cps);
6153 SendToProgram(".\n", cps);
6155 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6158 char exclusionHeader[MSG_SIZ];
6159 int exCnt, excludePtr;
6160 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6161 static Exclusion excluTab[200];
6162 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6168 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6169 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6175 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6176 excludePtr = 24; exCnt = 0;
6181 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6182 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6183 char buf[2*MOVE_LEN], *p;
6184 Exclusion *e = excluTab;
6186 for(i=0; i<exCnt; i++)
6187 if(e[i].ff == fromX && e[i].fr == fromY &&
6188 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6189 if(i == exCnt) { // was not in exclude list; add it
6190 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6191 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6192 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6195 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6196 excludePtr++; e[i].mark = excludePtr++;
6197 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6200 exclusionHeader[e[i].mark] = state;
6204 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6205 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6209 if((signed char)promoChar == -1) { // kludge to indicate best move
6210 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6211 return 1; // if unparsable, abort
6213 // update exclusion map (resolving toggle by consulting existing state)
6214 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6216 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6217 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6218 excludeMap[k] |= 1<<j;
6219 else excludeMap[k] &= ~(1<<j);
6221 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6223 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6224 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6225 SendToProgram(buf, &first);
6226 return (state == '+');
6230 ExcludeClick (int index)
6233 Exclusion *e = excluTab;
6234 if(index < 25) { // none, best or tail clicked
6235 if(index < 13) { // none: include all
6236 WriteMap(0); // clear map
6237 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6238 SendToProgram("include all\n", &first); // and inform engine
6239 } else if(index > 18) { // tail
6240 if(exclusionHeader[19] == '-') { // tail was excluded
6241 SendToProgram("include all\n", &first);
6242 WriteMap(0); // clear map completely
6243 // now re-exclude selected moves
6244 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6245 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6246 } else { // tail was included or in mixed state
6247 SendToProgram("exclude all\n", &first);
6248 WriteMap(0xFF); // fill map completely
6249 // now re-include selected moves
6250 j = 0; // count them
6251 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6252 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6253 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6256 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6259 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6260 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6261 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6268 DefaultPromoChoice (int white)
6271 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6272 result = WhiteFerz; // no choice
6273 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6274 result= WhiteKing; // in Suicide Q is the last thing we want
6275 else if(gameInfo.variant == VariantSpartan)
6276 result = white ? WhiteQueen : WhiteAngel;
6277 else result = WhiteQueen;
6278 if(!white) result = WHITE_TO_BLACK result;
6282 static int autoQueen; // [HGM] oneclick
6285 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6287 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6288 /* [HGM] add Shogi promotions */
6289 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6294 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6295 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6297 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6298 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6301 piece = boards[currentMove][fromY][fromX];
6302 if(gameInfo.variant == VariantShogi) {
6303 promotionZoneSize = BOARD_HEIGHT/3;
6304 highestPromotingPiece = (int)WhiteFerz;
6305 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6306 promotionZoneSize = 3;
6309 // Treat Lance as Pawn when it is not representing Amazon
6310 if(gameInfo.variant != VariantSuper) {
6311 if(piece == WhiteLance) piece = WhitePawn; else
6312 if(piece == BlackLance) piece = BlackPawn;
6315 // next weed out all moves that do not touch the promotion zone at all
6316 if((int)piece >= BlackPawn) {
6317 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6319 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6321 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6322 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6325 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6327 // weed out mandatory Shogi promotions
6328 if(gameInfo.variant == VariantShogi) {
6329 if(piece >= BlackPawn) {
6330 if(toY == 0 && piece == BlackPawn ||
6331 toY == 0 && piece == BlackQueen ||
6332 toY <= 1 && piece == BlackKnight) {
6337 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6338 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6339 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6346 // weed out obviously illegal Pawn moves
6347 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6348 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6349 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6350 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6351 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6352 // note we are not allowed to test for valid (non-)capture, due to premove
6355 // we either have a choice what to promote to, or (in Shogi) whether to promote
6356 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6357 *promoChoice = PieceToChar(BlackFerz); // no choice
6360 // no sense asking what we must promote to if it is going to explode...
6361 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6362 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6365 // give caller the default choice even if we will not make it
6366 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6367 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6368 if( sweepSelect && gameInfo.variant != VariantGreat
6369 && gameInfo.variant != VariantGrand
6370 && gameInfo.variant != VariantSuper) return FALSE;
6371 if(autoQueen) return FALSE; // predetermined
6373 // suppress promotion popup on illegal moves that are not premoves
6374 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6375 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6376 if(appData.testLegality && !premove) {
6377 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6378 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6379 if(moveType != WhitePromotion && moveType != BlackPromotion)
6387 InPalace (int row, int column)
6388 { /* [HGM] for Xiangqi */
6389 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6390 column < (BOARD_WIDTH + 4)/2 &&
6391 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6396 PieceForSquare (int x, int y)
6398 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6401 return boards[currentMove][y][x];
6405 OKToStartUserMove (int x, int y)
6407 ChessSquare from_piece;
6410 if (matchMode) return FALSE;
6411 if (gameMode == EditPosition) return TRUE;
6413 if (x >= 0 && y >= 0)
6414 from_piece = boards[currentMove][y][x];
6416 from_piece = EmptySquare;
6418 if (from_piece == EmptySquare) return FALSE;
6420 white_piece = (int)from_piece >= (int)WhitePawn &&
6421 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6425 case TwoMachinesPlay:
6433 case MachinePlaysWhite:
6434 case IcsPlayingBlack:
6435 if (appData.zippyPlay) return FALSE;
6437 DisplayMoveError(_("You are playing Black"));
6442 case MachinePlaysBlack:
6443 case IcsPlayingWhite:
6444 if (appData.zippyPlay) return FALSE;
6446 DisplayMoveError(_("You are playing White"));
6451 case PlayFromGameFile:
6452 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6454 if (!white_piece && WhiteOnMove(currentMove)) {
6455 DisplayMoveError(_("It is White's turn"));
6458 if (white_piece && !WhiteOnMove(currentMove)) {
6459 DisplayMoveError(_("It is Black's turn"));
6462 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6463 /* Editing correspondence game history */
6464 /* Could disallow this or prompt for confirmation */
6469 case BeginningOfGame:
6470 if (appData.icsActive) return FALSE;
6471 if (!appData.noChessProgram) {
6473 DisplayMoveError(_("You are playing White"));
6480 if (!white_piece && WhiteOnMove(currentMove)) {
6481 DisplayMoveError(_("It is White's turn"));
6484 if (white_piece && !WhiteOnMove(currentMove)) {
6485 DisplayMoveError(_("It is Black's turn"));
6494 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6495 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6496 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6497 && gameMode != AnalyzeFile && gameMode != Training) {
6498 DisplayMoveError(_("Displayed position is not current"));
6505 OnlyMove (int *x, int *y, Boolean captures)
6507 DisambiguateClosure cl;
6508 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6510 case MachinePlaysBlack:
6511 case IcsPlayingWhite:
6512 case BeginningOfGame:
6513 if(!WhiteOnMove(currentMove)) return FALSE;
6515 case MachinePlaysWhite:
6516 case IcsPlayingBlack:
6517 if(WhiteOnMove(currentMove)) return FALSE;
6524 cl.pieceIn = EmptySquare;
6529 cl.promoCharIn = NULLCHAR;
6530 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6531 if( cl.kind == NormalMove ||
6532 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6533 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6534 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6541 if(cl.kind != ImpossibleMove) return FALSE;
6542 cl.pieceIn = EmptySquare;
6547 cl.promoCharIn = NULLCHAR;
6548 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6549 if( cl.kind == NormalMove ||
6550 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6551 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6552 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6557 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6563 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6564 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6565 int lastLoadGameUseList = FALSE;
6566 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6567 ChessMove lastLoadGameStart = EndOfFile;
6571 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6575 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6577 /* Check if the user is playing in turn. This is complicated because we
6578 let the user "pick up" a piece before it is his turn. So the piece he
6579 tried to pick up may have been captured by the time he puts it down!
6580 Therefore we use the color the user is supposed to be playing in this
6581 test, not the color of the piece that is currently on the starting
6582 square---except in EditGame mode, where the user is playing both
6583 sides; fortunately there the capture race can't happen. (It can
6584 now happen in IcsExamining mode, but that's just too bad. The user
6585 will get a somewhat confusing message in that case.)
6590 case TwoMachinesPlay:
6594 /* We switched into a game mode where moves are not accepted,
6595 perhaps while the mouse button was down. */
6598 case MachinePlaysWhite:
6599 /* User is moving for Black */
6600 if (WhiteOnMove(currentMove)) {
6601 DisplayMoveError(_("It is White's turn"));
6606 case MachinePlaysBlack:
6607 /* User is moving for White */
6608 if (!WhiteOnMove(currentMove)) {
6609 DisplayMoveError(_("It is Black's turn"));
6614 case PlayFromGameFile:
6615 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6618 case BeginningOfGame:
6621 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6622 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6623 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6624 /* User is moving for Black */
6625 if (WhiteOnMove(currentMove)) {
6626 DisplayMoveError(_("It is White's turn"));
6630 /* User is moving for White */
6631 if (!WhiteOnMove(currentMove)) {
6632 DisplayMoveError(_("It is Black's turn"));
6638 case IcsPlayingBlack:
6639 /* User is moving for Black */
6640 if (WhiteOnMove(currentMove)) {
6641 if (!appData.premove) {
6642 DisplayMoveError(_("It is White's turn"));
6643 } else if (toX >= 0 && toY >= 0) {
6646 premoveFromX = fromX;
6647 premoveFromY = fromY;
6648 premovePromoChar = promoChar;
6650 if (appData.debugMode)
6651 fprintf(debugFP, "Got premove: fromX %d,"
6652 "fromY %d, toX %d, toY %d\n",
6653 fromX, fromY, toX, toY);
6659 case IcsPlayingWhite:
6660 /* User is moving for White */
6661 if (!WhiteOnMove(currentMove)) {
6662 if (!appData.premove) {
6663 DisplayMoveError(_("It is Black's turn"));
6664 } else if (toX >= 0 && toY >= 0) {
6667 premoveFromX = fromX;
6668 premoveFromY = fromY;
6669 premovePromoChar = promoChar;
6671 if (appData.debugMode)
6672 fprintf(debugFP, "Got premove: fromX %d,"
6673 "fromY %d, toX %d, toY %d\n",
6674 fromX, fromY, toX, toY);
6684 /* EditPosition, empty square, or different color piece;
6685 click-click move is possible */
6686 if (toX == -2 || toY == -2) {
6687 boards[0][fromY][fromX] = EmptySquare;
6688 DrawPosition(FALSE, boards[currentMove]);
6690 } else if (toX >= 0 && toY >= 0) {
6691 boards[0][toY][toX] = boards[0][fromY][fromX];
6692 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6693 if(boards[0][fromY][0] != EmptySquare) {
6694 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6695 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6698 if(fromX == BOARD_RGHT+1) {
6699 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6700 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6701 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6704 boards[0][fromY][fromX] = gatingPiece;
6705 DrawPosition(FALSE, boards[currentMove]);
6711 if(toX < 0 || toY < 0) return;
6712 pup = boards[currentMove][toY][toX];
6714 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6715 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6716 if( pup != EmptySquare ) return;
6717 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6718 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6719 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6720 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6721 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6722 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6723 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6727 /* [HGM] always test for legality, to get promotion info */
6728 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6729 fromY, fromX, toY, toX, promoChar);
6731 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6733 /* [HGM] but possibly ignore an IllegalMove result */
6734 if (appData.testLegality) {
6735 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6736 DisplayMoveError(_("Illegal move"));
6741 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6742 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6743 ClearPremoveHighlights(); // was included
6744 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6748 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6751 /* Common tail of UserMoveEvent and DropMenuEvent */
6753 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6757 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6758 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6759 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6760 if(WhiteOnMove(currentMove)) {
6761 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6763 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6767 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6768 move type in caller when we know the move is a legal promotion */
6769 if(moveType == NormalMove && promoChar)
6770 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6772 /* [HGM] <popupFix> The following if has been moved here from
6773 UserMoveEvent(). Because it seemed to belong here (why not allow
6774 piece drops in training games?), and because it can only be
6775 performed after it is known to what we promote. */
6776 if (gameMode == Training) {
6777 /* compare the move played on the board to the next move in the
6778 * game. If they match, display the move and the opponent's response.
6779 * If they don't match, display an error message.
6783 CopyBoard(testBoard, boards[currentMove]);
6784 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6786 if (CompareBoards(testBoard, boards[currentMove+1])) {
6787 ForwardInner(currentMove+1);
6789 /* Autoplay the opponent's response.
6790 * if appData.animate was TRUE when Training mode was entered,
6791 * the response will be animated.
6793 saveAnimate = appData.animate;
6794 appData.animate = animateTraining;
6795 ForwardInner(currentMove+1);
6796 appData.animate = saveAnimate;
6798 /* check for the end of the game */
6799 if (currentMove >= forwardMostMove) {
6800 gameMode = PlayFromGameFile;
6802 SetTrainingModeOff();
6803 DisplayInformation(_("End of game"));
6806 DisplayError(_("Incorrect move"), 0);
6811 /* Ok, now we know that the move is good, so we can kill
6812 the previous line in Analysis Mode */
6813 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6814 && currentMove < forwardMostMove) {
6815 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6816 else forwardMostMove = currentMove;
6821 /* If we need the chess program but it's dead, restart it */
6822 ResurrectChessProgram();
6824 /* A user move restarts a paused game*/
6828 thinkOutput[0] = NULLCHAR;
6830 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6832 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6833 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6837 if (gameMode == BeginningOfGame) {
6838 if (appData.noChessProgram) {
6839 gameMode = EditGame;
6843 gameMode = MachinePlaysBlack;
6846 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6848 if (first.sendName) {
6849 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6850 SendToProgram(buf, &first);
6857 /* Relay move to ICS or chess engine */
6858 if(second.analyzing) ToggleSecond(); // for now, we just stop second analyzing engine
6859 if (appData.icsActive) {
6860 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6861 gameMode == IcsExamining) {
6862 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6863 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6865 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6867 // also send plain move, in case ICS does not understand atomic claims
6868 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6872 if (first.sendTime && (gameMode == BeginningOfGame ||
6873 gameMode == MachinePlaysWhite ||
6874 gameMode == MachinePlaysBlack)) {
6875 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6877 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6878 // [HGM] book: if program might be playing, let it use book
6879 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6880 first.maybeThinking = TRUE;
6881 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6882 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6883 SendBoard(&first, currentMove+1);
6884 } else SendMoveToProgram(forwardMostMove-1, &first);
6885 if (currentMove == cmailOldMove + 1) {
6886 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6890 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6894 if(appData.testLegality)
6895 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6901 if (WhiteOnMove(currentMove)) {
6902 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6904 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6908 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6913 case MachinePlaysBlack:
6914 case MachinePlaysWhite:
6915 /* disable certain menu options while machine is thinking */
6916 SetMachineThinkingEnables();
6923 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6924 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6926 if(bookHit) { // [HGM] book: simulate book reply
6927 static char bookMove[MSG_SIZ]; // a bit generous?
6929 programStats.nodes = programStats.depth = programStats.time =
6930 programStats.score = programStats.got_only_move = 0;
6931 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6933 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6934 strcat(bookMove, bookHit);
6935 HandleMachineMove(bookMove, &first);
6941 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6943 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6944 Markers *m = (Markers *) closure;
6945 if(rf == fromY && ff == fromX)
6946 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6947 || kind == WhiteCapturesEnPassant
6948 || kind == BlackCapturesEnPassant);
6949 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6953 MarkTargetSquares (int clear)
6956 if(clear) // no reason to ever suppress clearing
6957 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6958 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6959 !appData.testLegality || gameMode == EditPosition) return;
6962 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6963 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6964 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6966 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6969 DrawPosition(FALSE, NULL);
6973 Explode (Board board, int fromX, int fromY, int toX, int toY)
6975 if(gameInfo.variant == VariantAtomic &&
6976 (board[toY][toX] != EmptySquare || // capture?
6977 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6978 board[fromY][fromX] == BlackPawn )
6980 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6986 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6989 CanPromote (ChessSquare piece, int y)
6991 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6992 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6993 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6994 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6995 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6996 gameInfo.variant == VariantMakruk) return FALSE;
6997 return (piece == BlackPawn && y == 1 ||
6998 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6999 piece == BlackLance && y == 1 ||
7000 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7004 LeftClick (ClickType clickType, int xPix, int yPix)
7007 Boolean saveAnimate;
7008 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7009 char promoChoice = NULLCHAR;
7011 static TimeMark lastClickTime, prevClickTime;
7013 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7015 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7017 if (clickType == Press) ErrorPopDown();
7019 x = EventToSquare(xPix, BOARD_WIDTH);
7020 y = EventToSquare(yPix, BOARD_HEIGHT);
7021 if (!flipView && y >= 0) {
7022 y = BOARD_HEIGHT - 1 - y;
7024 if (flipView && x >= 0) {
7025 x = BOARD_WIDTH - 1 - x;
7028 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7029 defaultPromoChoice = promoSweep;
7030 promoSweep = EmptySquare; // terminate sweep
7031 promoDefaultAltered = TRUE;
7032 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7035 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7036 if(clickType == Release) return; // ignore upclick of click-click destination
7037 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7038 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7039 if(gameInfo.holdingsWidth &&
7040 (WhiteOnMove(currentMove)
7041 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7042 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7043 // click in right holdings, for determining promotion piece
7044 ChessSquare p = boards[currentMove][y][x];
7045 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7046 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7047 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7048 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7053 DrawPosition(FALSE, boards[currentMove]);
7057 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7058 if(clickType == Press
7059 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7060 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7061 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7064 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7065 // could be static click on premove from-square: abort premove
7067 ClearPremoveHighlights();
7070 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7071 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7073 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7074 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7075 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7076 defaultPromoChoice = DefaultPromoChoice(side);
7079 autoQueen = appData.alwaysPromoteToQueen;
7083 gatingPiece = EmptySquare;
7084 if (clickType != Press) {
7085 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7086 DragPieceEnd(xPix, yPix); dragging = 0;
7087 DrawPosition(FALSE, NULL);
7091 doubleClick = FALSE;
7092 fromX = x; fromY = y; toX = toY = -1;
7093 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7094 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7095 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7097 if (OKToStartUserMove(fromX, fromY)) {
7099 MarkTargetSquares(0);
7100 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7101 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7102 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7103 promoSweep = defaultPromoChoice;
7104 selectFlag = 0; lastX = xPix; lastY = yPix;
7105 Sweep(0); // Pawn that is going to promote: preview promotion piece
7106 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7108 if (appData.highlightDragging) {
7109 SetHighlights(fromX, fromY, -1, -1);
7113 } else fromX = fromY = -1;
7119 if (clickType == Press && gameMode != EditPosition) {
7124 // ignore off-board to clicks
7125 if(y < 0 || x < 0) return;
7127 /* Check if clicking again on the same color piece */
7128 fromP = boards[currentMove][fromY][fromX];
7129 toP = boards[currentMove][y][x];
7130 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7131 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7132 WhitePawn <= toP && toP <= WhiteKing &&
7133 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7134 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7135 (BlackPawn <= fromP && fromP <= BlackKing &&
7136 BlackPawn <= toP && toP <= BlackKing &&
7137 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7138 !(fromP == BlackKing && toP == BlackRook && frc))) {
7139 /* Clicked again on same color piece -- changed his mind */
7140 second = (x == fromX && y == fromY);
7141 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7142 second = FALSE; // first double-click rather than scond click
7143 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7145 promoDefaultAltered = FALSE;
7146 MarkTargetSquares(1);
7147 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7148 if (appData.highlightDragging) {
7149 SetHighlights(x, y, -1, -1);
7153 if (OKToStartUserMove(x, y)) {
7154 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7155 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7156 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7157 gatingPiece = boards[currentMove][fromY][fromX];
7158 else gatingPiece = doubleClick ? fromP : EmptySquare;
7160 fromY = y; dragging = 1;
7161 MarkTargetSquares(0);
7162 DragPieceBegin(xPix, yPix, FALSE);
7163 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7164 promoSweep = defaultPromoChoice;
7165 selectFlag = 0; lastX = xPix; lastY = yPix;
7166 Sweep(0); // Pawn that is going to promote: preview promotion piece
7170 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7173 // ignore clicks on holdings
7174 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7177 if (clickType == Release && x == fromX && y == fromY) {
7178 DragPieceEnd(xPix, yPix); dragging = 0;
7180 // a deferred attempt to click-click move an empty square on top of a piece
7181 boards[currentMove][y][x] = EmptySquare;
7183 DrawPosition(FALSE, boards[currentMove]);
7184 fromX = fromY = -1; clearFlag = 0;
7187 if (appData.animateDragging) {
7188 /* Undo animation damage if any */
7189 DrawPosition(FALSE, NULL);
7191 if (second || sweepSelecting) {
7192 /* Second up/down in same square; just abort move */
7193 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7194 second = sweepSelecting = 0;
7196 gatingPiece = EmptySquare;
7199 ClearPremoveHighlights();
7201 /* First upclick in same square; start click-click mode */
7202 SetHighlights(x, y, -1, -1);
7209 /* we now have a different from- and (possibly off-board) to-square */
7210 /* Completed move */
7211 if(!sweepSelecting) {
7214 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7216 saveAnimate = appData.animate;
7217 if (clickType == Press) {
7218 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7219 // must be Edit Position mode with empty-square selected
7220 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7221 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7224 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7225 if(appData.sweepSelect) {
7226 ChessSquare piece = boards[currentMove][fromY][fromX];
7227 promoSweep = defaultPromoChoice;
7228 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7229 selectFlag = 0; lastX = xPix; lastY = yPix;
7230 Sweep(0); // Pawn that is going to promote: preview promotion piece
7232 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7233 MarkTargetSquares(1);
7235 return; // promo popup appears on up-click
7237 /* Finish clickclick move */
7238 if (appData.animate || appData.highlightLastMove) {
7239 SetHighlights(fromX, fromY, toX, toY);
7244 /* Finish drag move */
7245 if (appData.highlightLastMove) {
7246 SetHighlights(fromX, fromY, toX, toY);
7250 DragPieceEnd(xPix, yPix); dragging = 0;
7251 /* Don't animate move and drag both */
7252 appData.animate = FALSE;
7254 MarkTargetSquares(1);
7256 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7257 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7258 ChessSquare piece = boards[currentMove][fromY][fromX];
7259 if(gameMode == EditPosition && piece != EmptySquare &&
7260 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7263 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7264 n = PieceToNumber(piece - (int)BlackPawn);
7265 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7266 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7267 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7269 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7270 n = PieceToNumber(piece);
7271 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7272 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7273 boards[currentMove][n][BOARD_WIDTH-2]++;
7275 boards[currentMove][fromY][fromX] = EmptySquare;
7279 DrawPosition(TRUE, boards[currentMove]);
7283 // off-board moves should not be highlighted
7284 if(x < 0 || y < 0) ClearHighlights();
7286 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7288 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7289 SetHighlights(fromX, fromY, toX, toY);
7290 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7291 // [HGM] super: promotion to captured piece selected from holdings
7292 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7293 promotionChoice = TRUE;
7294 // kludge follows to temporarily execute move on display, without promoting yet
7295 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7296 boards[currentMove][toY][toX] = p;
7297 DrawPosition(FALSE, boards[currentMove]);
7298 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7299 boards[currentMove][toY][toX] = q;
7300 DisplayMessage("Click in holdings to choose piece", "");
7305 int oldMove = currentMove;
7306 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7307 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7308 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7309 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7310 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7311 DrawPosition(TRUE, boards[currentMove]);
7314 appData.animate = saveAnimate;
7315 if (appData.animate || appData.animateDragging) {
7316 /* Undo animation damage if needed */
7317 DrawPosition(FALSE, NULL);
7322 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7323 { // front-end-free part taken out of PieceMenuPopup
7324 int whichMenu; int xSqr, ySqr;
7326 if(seekGraphUp) { // [HGM] seekgraph
7327 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7328 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7332 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7333 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7334 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7335 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7336 if(action == Press) {
7337 originalFlip = flipView;
7338 flipView = !flipView; // temporarily flip board to see game from partners perspective
7339 DrawPosition(TRUE, partnerBoard);
7340 DisplayMessage(partnerStatus, "");
7342 } else if(action == Release) {
7343 flipView = originalFlip;
7344 DrawPosition(TRUE, boards[currentMove]);
7350 xSqr = EventToSquare(x, BOARD_WIDTH);
7351 ySqr = EventToSquare(y, BOARD_HEIGHT);
7352 if (action == Release) {
7353 if(pieceSweep != EmptySquare) {
7354 EditPositionMenuEvent(pieceSweep, toX, toY);
7355 pieceSweep = EmptySquare;
7356 } else UnLoadPV(); // [HGM] pv
7358 if (action != Press) return -2; // return code to be ignored
7361 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7363 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7364 if (xSqr < 0 || ySqr < 0) return -1;
7365 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7366 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7367 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7368 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7372 if(!appData.icsEngineAnalyze) return -1;
7373 case IcsPlayingWhite:
7374 case IcsPlayingBlack:
7375 if(!appData.zippyPlay) goto noZip;
7378 case MachinePlaysWhite:
7379 case MachinePlaysBlack:
7380 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7381 if (!appData.dropMenu) {
7383 return 2; // flag front-end to grab mouse events
7385 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7386 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7389 if (xSqr < 0 || ySqr < 0) return -1;
7390 if (!appData.dropMenu || appData.testLegality &&
7391 gameInfo.variant != VariantBughouse &&
7392 gameInfo.variant != VariantCrazyhouse) return -1;
7393 whichMenu = 1; // drop menu
7399 if (((*fromX = xSqr) < 0) ||
7400 ((*fromY = ySqr) < 0)) {
7401 *fromX = *fromY = -1;
7405 *fromX = BOARD_WIDTH - 1 - *fromX;
7407 *fromY = BOARD_HEIGHT - 1 - *fromY;
7413 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7415 // char * hint = lastHint;
7416 FrontEndProgramStats stats;
7418 stats.which = cps == &first ? 0 : 1;
7419 stats.depth = cpstats->depth;
7420 stats.nodes = cpstats->nodes;
7421 stats.score = cpstats->score;
7422 stats.time = cpstats->time;
7423 stats.pv = cpstats->movelist;
7424 stats.hint = lastHint;
7425 stats.an_move_index = 0;
7426 stats.an_move_count = 0;
7428 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7429 stats.hint = cpstats->move_name;
7430 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7431 stats.an_move_count = cpstats->nr_moves;
7434 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
7436 SetProgramStats( &stats );
7440 ClearEngineOutputPane (int which)
7442 static FrontEndProgramStats dummyStats;
7443 dummyStats.which = which;
7444 dummyStats.pv = "#";
7445 SetProgramStats( &dummyStats );
7448 #define MAXPLAYERS 500
7451 TourneyStandings (int display)
7453 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7454 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7455 char result, *p, *names[MAXPLAYERS];
7457 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7458 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7459 names[0] = p = strdup(appData.participants);
7460 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7462 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7464 while(result = appData.results[nr]) {
7465 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7466 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7467 wScore = bScore = 0;
7469 case '+': wScore = 2; break;
7470 case '-': bScore = 2; break;
7471 case '=': wScore = bScore = 1; break;
7473 case '*': return strdup("busy"); // tourney not finished
7481 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7482 for(w=0; w<nPlayers; w++) {
7484 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7485 ranking[w] = b; points[w] = bScore; score[b] = -2;
7487 p = malloc(nPlayers*34+1);
7488 for(w=0; w<nPlayers && w<display; w++)
7489 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7495 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7496 { // count all piece types
7498 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7499 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7500 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7503 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7504 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7505 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7506 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7507 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7508 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7513 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7515 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7516 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7518 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7519 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7520 if(myPawns == 2 && nMine == 3) // KPP
7521 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7522 if(myPawns == 1 && nMine == 2) // KP
7523 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7524 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7525 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7526 if(myPawns) return FALSE;
7527 if(pCnt[WhiteRook+side])
7528 return pCnt[BlackRook-side] ||
7529 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7530 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7531 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7532 if(pCnt[WhiteCannon+side]) {
7533 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7534 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7536 if(pCnt[WhiteKnight+side])
7537 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7542 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7544 VariantClass v = gameInfo.variant;
7546 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7547 if(v == VariantShatranj) return TRUE; // always winnable through baring
7548 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7549 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7551 if(v == VariantXiangqi) {
7552 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7554 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7555 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7556 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7557 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7558 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7559 if(stale) // we have at least one last-rank P plus perhaps C
7560 return majors // KPKX
7561 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7563 return pCnt[WhiteFerz+side] // KCAK
7564 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7565 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7566 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7568 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7569 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7571 if(nMine == 1) return FALSE; // bare King
7572 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
7573 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7574 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7575 // by now we have King + 1 piece (or multiple Bishops on the same color)
7576 if(pCnt[WhiteKnight+side])
7577 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7578 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7579 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7581 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7582 if(pCnt[WhiteAlfil+side])
7583 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7584 if(pCnt[WhiteWazir+side])
7585 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7592 CompareWithRights (Board b1, Board b2)
7595 if(!CompareBoards(b1, b2)) return FALSE;
7596 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7597 /* compare castling rights */
7598 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7599 rights++; /* King lost rights, while rook still had them */
7600 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7601 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7602 rights++; /* but at least one rook lost them */
7604 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7606 if( b1[CASTLING][5] != NoRights ) {
7607 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7614 Adjudicate (ChessProgramState *cps)
7615 { // [HGM] some adjudications useful with buggy engines
7616 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7617 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7618 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7619 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7620 int k, count = 0; static int bare = 1;
7621 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7622 Boolean canAdjudicate = !appData.icsActive;
7624 // most tests only when we understand the game, i.e. legality-checking on
7625 if( appData.testLegality )
7626 { /* [HGM] Some more adjudications for obstinate engines */
7627 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7628 static int moveCount = 6;
7630 char *reason = NULL;
7632 /* Count what is on board. */
7633 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7635 /* Some material-based adjudications that have to be made before stalemate test */
7636 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7637 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7638 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7639 if(canAdjudicate && appData.checkMates) {
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7642 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7643 "Xboard adjudication: King destroyed", GE_XBOARD );
7648 /* Bare King in Shatranj (loses) or Losers (wins) */
7649 if( nrW == 1 || nrB == 1) {
7650 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7651 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7652 if(canAdjudicate && appData.checkMates) {
7654 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7655 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7656 "Xboard adjudication: Bare king", GE_XBOARD );
7660 if( gameInfo.variant == VariantShatranj && --bare < 0)
7662 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7663 if(canAdjudicate && appData.checkMates) {
7664 /* but only adjudicate if adjudication enabled */
7666 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7667 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7668 "Xboard adjudication: Bare king", GE_XBOARD );
7675 // don't wait for engine to announce game end if we can judge ourselves
7676 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7678 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7679 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7680 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7681 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7684 reason = "Xboard adjudication: 3rd check";
7685 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7695 reason = "Xboard adjudication: Stalemate";
7696 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7697 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7698 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7699 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7700 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7701 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7702 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7703 EP_CHECKMATE : EP_WINS);
7704 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7705 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7709 reason = "Xboard adjudication: Checkmate";
7710 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7714 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7716 result = GameIsDrawn; break;
7718 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7720 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7724 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7726 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7727 GameEnds( result, reason, GE_XBOARD );
7731 /* Next absolutely insufficient mating material. */
7732 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7733 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7734 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7736 /* always flag draws, for judging claims */
7737 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7739 if(canAdjudicate && appData.materialDraws) {
7740 /* but only adjudicate them if adjudication enabled */
7741 if(engineOpponent) {
7742 SendToProgram("force\n", engineOpponent); // suppress reply
7743 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7745 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7750 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7751 if(gameInfo.variant == VariantXiangqi ?
7752 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7754 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7755 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7756 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7757 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7759 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7760 { /* if the first 3 moves do not show a tactical win, declare draw */
7761 if(engineOpponent) {
7762 SendToProgram("force\n", engineOpponent); // suppress reply
7763 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7765 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7768 } else moveCount = 6;
7771 // Repetition draws and 50-move rule can be applied independently of legality testing
7773 /* Check for rep-draws */
7775 for(k = forwardMostMove-2;
7776 k>=backwardMostMove && k>=forwardMostMove-100 &&
7777 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7778 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7781 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7782 /* compare castling rights */
7783 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7784 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7785 rights++; /* King lost rights, while rook still had them */
7786 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7787 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7788 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7789 rights++; /* but at least one rook lost them */
7791 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7792 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7794 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7795 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7796 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7799 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7800 && appData.drawRepeats > 1) {
7801 /* adjudicate after user-specified nr of repeats */
7802 int result = GameIsDrawn;
7803 char *details = "XBoard adjudication: repetition draw";
7804 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7805 // [HGM] xiangqi: check for forbidden perpetuals
7806 int m, ourPerpetual = 1, hisPerpetual = 1;
7807 for(m=forwardMostMove; m>k; m-=2) {
7808 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7809 ourPerpetual = 0; // the current mover did not always check
7810 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7811 hisPerpetual = 0; // the opponent did not always check
7813 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7814 ourPerpetual, hisPerpetual);
7815 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7816 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7817 details = "Xboard adjudication: perpetual checking";
7819 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7820 break; // (or we would have caught him before). Abort repetition-checking loop.
7822 // Now check for perpetual chases
7823 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7824 hisPerpetual = PerpetualChase(k, forwardMostMove);
7825 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7826 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7827 static char resdet[MSG_SIZ];
7828 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7830 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7832 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7833 break; // Abort repetition-checking loop.
7835 // if neither of us is checking or chasing all the time, or both are, it is draw
7837 if(engineOpponent) {
7838 SendToProgram("force\n", engineOpponent); // suppress reply
7839 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7841 GameEnds( result, details, GE_XBOARD );
7844 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7845 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7849 /* Now we test for 50-move draws. Determine ply count */
7850 count = forwardMostMove;
7851 /* look for last irreversble move */
7852 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7854 /* if we hit starting position, add initial plies */
7855 if( count == backwardMostMove )
7856 count -= initialRulePlies;
7857 count = forwardMostMove - count;
7858 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7859 // adjust reversible move counter for checks in Xiangqi
7860 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7861 if(i < backwardMostMove) i = backwardMostMove;
7862 while(i <= forwardMostMove) {
7863 lastCheck = inCheck; // check evasion does not count
7864 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7865 if(inCheck || lastCheck) count--; // check does not count
7870 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7871 /* this is used to judge if draw claims are legal */
7872 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7873 if(engineOpponent) {
7874 SendToProgram("force\n", engineOpponent); // suppress reply
7875 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7877 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7881 /* if draw offer is pending, treat it as a draw claim
7882 * when draw condition present, to allow engines a way to
7883 * claim draws before making their move to avoid a race
7884 * condition occurring after their move
7886 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7888 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7889 p = "Draw claim: 50-move rule";
7890 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7891 p = "Draw claim: 3-fold repetition";
7892 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7893 p = "Draw claim: insufficient mating material";
7894 if( p != NULL && canAdjudicate) {
7895 if(engineOpponent) {
7896 SendToProgram("force\n", engineOpponent); // suppress reply
7897 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7899 GameEnds( GameIsDrawn, p, GE_XBOARD );
7904 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7905 if(engineOpponent) {
7906 SendToProgram("force\n", engineOpponent); // suppress reply
7907 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7909 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7916 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7917 { // [HGM] book: this routine intercepts moves to simulate book replies
7918 char *bookHit = NULL;
7920 //first determine if the incoming move brings opponent into his book
7921 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7922 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7923 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7924 if(bookHit != NULL && !cps->bookSuspend) {
7925 // make sure opponent is not going to reply after receiving move to book position
7926 SendToProgram("force\n", cps);
7927 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7929 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7930 // now arrange restart after book miss
7932 // after a book hit we never send 'go', and the code after the call to this routine
7933 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7934 char buf[MSG_SIZ], *move = bookHit;
7936 int fromX, fromY, toX, toY;
7940 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7941 &fromX, &fromY, &toX, &toY, &promoChar)) {
7942 (void) CoordsToAlgebraic(boards[forwardMostMove],
7943 PosFlags(forwardMostMove),
7944 fromY, fromX, toY, toX, promoChar, move);
7946 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7950 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7951 SendToProgram(buf, cps);
7952 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7953 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7954 SendToProgram("go\n", cps);
7955 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7956 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7957 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7958 SendToProgram("go\n", cps);
7959 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7961 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7965 LoadError (char *errmess, ChessProgramState *cps)
7966 { // unloads engine and switches back to -ncp mode if it was first
7967 if(cps->initDone) return FALSE;
7968 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7969 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7972 appData.noChessProgram = TRUE;
7973 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7974 gameMode = BeginningOfGame; ModeHighlight();
7977 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7978 DisplayMessage("", ""); // erase waiting message
7979 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7984 ChessProgramState *savedState;
7986 DeferredBookMove (void)
7988 if(savedState->lastPing != savedState->lastPong)
7989 ScheduleDelayedEvent(DeferredBookMove, 10);
7991 HandleMachineMove(savedMessage, savedState);
7994 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7997 HandleMachineMove (char *message, ChessProgramState *cps)
7999 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8000 char realname[MSG_SIZ];
8001 int fromX, fromY, toX, toY;
8005 int machineWhite, oldError;
8008 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8009 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8010 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8011 DisplayError(_("Invalid pairing from pairing engine"), 0);
8014 pairingReceived = 1;
8016 return; // Skim the pairing messages here.
8019 oldError = cps->userError; cps->userError = 0;
8021 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8023 * Kludge to ignore BEL characters
8025 while (*message == '\007') message++;
8028 * [HGM] engine debug message: ignore lines starting with '#' character
8030 if(cps->debug && *message == '#') return;
8033 * Look for book output
8035 if (cps == &first && bookRequested) {
8036 if (message[0] == '\t' || message[0] == ' ') {
8037 /* Part of the book output is here; append it */
8038 strcat(bookOutput, message);
8039 strcat(bookOutput, " \n");
8041 } else if (bookOutput[0] != NULLCHAR) {
8042 /* All of book output has arrived; display it */
8043 char *p = bookOutput;
8044 while (*p != NULLCHAR) {
8045 if (*p == '\t') *p = ' ';
8048 DisplayInformation(bookOutput);
8049 bookRequested = FALSE;
8050 /* Fall through to parse the current output */
8055 * Look for machine move.
8057 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8058 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8060 /* This method is only useful on engines that support ping */
8061 if (cps->lastPing != cps->lastPong) {
8062 if (gameMode == BeginningOfGame) {
8063 /* Extra move from before last new; ignore */
8064 if (appData.debugMode) {
8065 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8068 if (appData.debugMode) {
8069 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8070 cps->which, gameMode);
8073 SendToProgram("undo\n", cps);
8079 case BeginningOfGame:
8080 /* Extra move from before last reset; ignore */
8081 if (appData.debugMode) {
8082 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8089 /* Extra move after we tried to stop. The mode test is
8090 not a reliable way of detecting this problem, but it's
8091 the best we can do on engines that don't support ping.
8093 if (appData.debugMode) {
8094 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8095 cps->which, gameMode);
8097 SendToProgram("undo\n", cps);
8100 case MachinePlaysWhite:
8101 case IcsPlayingWhite:
8102 machineWhite = TRUE;
8105 case MachinePlaysBlack:
8106 case IcsPlayingBlack:
8107 machineWhite = FALSE;
8110 case TwoMachinesPlay:
8111 machineWhite = (cps->twoMachinesColor[0] == 'w');
8114 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8115 if (appData.debugMode) {
8117 "Ignoring move out of turn by %s, gameMode %d"
8118 ", forwardMost %d\n",
8119 cps->which, gameMode, forwardMostMove);
8124 if(cps->alphaRank) AlphaRank(machineMove, 4);
8125 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8126 &fromX, &fromY, &toX, &toY, &promoChar)) {
8127 /* Machine move could not be parsed; ignore it. */
8128 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8129 machineMove, _(cps->which));
8130 DisplayError(buf1, 0);
8131 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8132 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8133 if (gameMode == TwoMachinesPlay) {
8134 GameEnds(machineWhite ? BlackWins : WhiteWins,
8140 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8141 /* So we have to redo legality test with true e.p. status here, */
8142 /* to make sure an illegal e.p. capture does not slip through, */
8143 /* to cause a forfeit on a justified illegal-move complaint */
8144 /* of the opponent. */
8145 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8147 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8148 fromY, fromX, toY, toX, promoChar);
8149 if(moveType == IllegalMove) {
8150 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8151 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8152 GameEnds(machineWhite ? BlackWins : WhiteWins,
8155 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8156 /* [HGM] Kludge to handle engines that send FRC-style castling
8157 when they shouldn't (like TSCP-Gothic) */
8159 case WhiteASideCastleFR:
8160 case BlackASideCastleFR:
8162 currentMoveString[2]++;
8164 case WhiteHSideCastleFR:
8165 case BlackHSideCastleFR:
8167 currentMoveString[2]--;
8169 default: ; // nothing to do, but suppresses warning of pedantic compilers
8172 hintRequested = FALSE;
8173 lastHint[0] = NULLCHAR;
8174 bookRequested = FALSE;
8175 /* Program may be pondering now */
8176 cps->maybeThinking = TRUE;
8177 if (cps->sendTime == 2) cps->sendTime = 1;
8178 if (cps->offeredDraw) cps->offeredDraw--;
8180 /* [AS] Save move info*/
8181 pvInfoList[ forwardMostMove ].score = programStats.score;
8182 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8183 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8185 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8187 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8188 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8191 while( count < adjudicateLossPlies ) {
8192 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8195 score = -score; /* Flip score for winning side */
8198 if( score > adjudicateLossThreshold ) {
8205 if( count >= adjudicateLossPlies ) {
8206 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8208 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8209 "Xboard adjudication",
8216 if(Adjudicate(cps)) {
8217 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8218 return; // [HGM] adjudicate: for all automatic game ends
8222 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8224 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8225 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8227 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8229 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8231 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8232 char buf[3*MSG_SIZ];
8234 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8235 programStats.score / 100.,
8237 programStats.time / 100.,
8238 (unsigned int)programStats.nodes,
8239 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8240 programStats.movelist);
8242 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8247 /* [AS] Clear stats for next move */
8248 ClearProgramStats();
8249 thinkOutput[0] = NULLCHAR;
8250 hiddenThinkOutputState = 0;
8253 if (gameMode == TwoMachinesPlay) {
8254 /* [HGM] relaying draw offers moved to after reception of move */
8255 /* and interpreting offer as claim if it brings draw condition */
8256 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8257 SendToProgram("draw\n", cps->other);
8259 if (cps->other->sendTime) {
8260 SendTimeRemaining(cps->other,
8261 cps->other->twoMachinesColor[0] == 'w');
8263 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8264 if (firstMove && !bookHit) {
8266 if (cps->other->useColors) {
8267 SendToProgram(cps->other->twoMachinesColor, cps->other);
8269 SendToProgram("go\n", cps->other);
8271 cps->other->maybeThinking = TRUE;
8274 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8276 if (!pausing && appData.ringBellAfterMoves) {
8281 * Reenable menu items that were disabled while
8282 * machine was thinking
8284 if (gameMode != TwoMachinesPlay)
8285 SetUserThinkingEnables();
8287 // [HGM] book: after book hit opponent has received move and is now in force mode
8288 // force the book reply into it, and then fake that it outputted this move by jumping
8289 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8291 static char bookMove[MSG_SIZ]; // a bit generous?
8293 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8294 strcat(bookMove, bookHit);
8297 programStats.nodes = programStats.depth = programStats.time =
8298 programStats.score = programStats.got_only_move = 0;
8299 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8301 if(cps->lastPing != cps->lastPong) {
8302 savedMessage = message; // args for deferred call
8304 ScheduleDelayedEvent(DeferredBookMove, 10);
8313 /* Set special modes for chess engines. Later something general
8314 * could be added here; for now there is just one kludge feature,
8315 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8316 * when "xboard" is given as an interactive command.
8318 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8319 cps->useSigint = FALSE;
8320 cps->useSigterm = FALSE;
8322 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8323 ParseFeatures(message+8, cps);
8324 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8327 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8328 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8329 int dummy, s=6; char buf[MSG_SIZ];
8330 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8331 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8332 if(startedFromSetupPosition) return;
8333 ParseFEN(boards[0], &dummy, message+s);
8334 DrawPosition(TRUE, boards[0]);
8335 startedFromSetupPosition = TRUE;
8338 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8339 * want this, I was asked to put it in, and obliged.
8341 if (!strncmp(message, "setboard ", 9)) {
8342 Board initial_position;
8344 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8346 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8347 DisplayError(_("Bad FEN received from engine"), 0);
8351 CopyBoard(boards[0], initial_position);
8352 initialRulePlies = FENrulePlies;
8353 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8354 else gameMode = MachinePlaysBlack;
8355 DrawPosition(FALSE, boards[currentMove]);
8361 * Look for communication commands
8363 if (!strncmp(message, "telluser ", 9)) {
8364 if(message[9] == '\\' && message[10] == '\\')
8365 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8367 DisplayNote(message + 9);
8370 if (!strncmp(message, "tellusererror ", 14)) {
8372 if(message[14] == '\\' && message[15] == '\\')
8373 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8375 DisplayError(message + 14, 0);
8378 if (!strncmp(message, "tellopponent ", 13)) {
8379 if (appData.icsActive) {
8381 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8385 DisplayNote(message + 13);
8389 if (!strncmp(message, "tellothers ", 11)) {
8390 if (appData.icsActive) {
8392 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8398 if (!strncmp(message, "tellall ", 8)) {
8399 if (appData.icsActive) {
8401 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8405 DisplayNote(message + 8);
8409 if (strncmp(message, "warning", 7) == 0) {
8410 /* Undocumented feature, use tellusererror in new code */
8411 DisplayError(message, 0);
8414 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8415 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8416 strcat(realname, " query");
8417 AskQuestion(realname, buf2, buf1, cps->pr);
8420 /* Commands from the engine directly to ICS. We don't allow these to be
8421 * sent until we are logged on. Crafty kibitzes have been known to
8422 * interfere with the login process.
8425 if (!strncmp(message, "tellics ", 8)) {
8426 SendToICS(message + 8);
8430 if (!strncmp(message, "tellicsnoalias ", 15)) {
8431 SendToICS(ics_prefix);
8432 SendToICS(message + 15);
8436 /* The following are for backward compatibility only */
8437 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8438 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8439 SendToICS(ics_prefix);
8445 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8449 * If the move is illegal, cancel it and redraw the board.
8450 * Also deal with other error cases. Matching is rather loose
8451 * here to accommodate engines written before the spec.
8453 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8454 strncmp(message, "Error", 5) == 0) {
8455 if (StrStr(message, "name") ||
8456 StrStr(message, "rating") || StrStr(message, "?") ||
8457 StrStr(message, "result") || StrStr(message, "board") ||
8458 StrStr(message, "bk") || StrStr(message, "computer") ||
8459 StrStr(message, "variant") || StrStr(message, "hint") ||
8460 StrStr(message, "random") || StrStr(message, "depth") ||
8461 StrStr(message, "accepted")) {
8464 if (StrStr(message, "protover")) {
8465 /* Program is responding to input, so it's apparently done
8466 initializing, and this error message indicates it is
8467 protocol version 1. So we don't need to wait any longer
8468 for it to initialize and send feature commands. */
8469 FeatureDone(cps, 1);
8470 cps->protocolVersion = 1;
8473 cps->maybeThinking = FALSE;
8475 if (StrStr(message, "draw")) {
8476 /* Program doesn't have "draw" command */
8477 cps->sendDrawOffers = 0;
8480 if (cps->sendTime != 1 &&
8481 (StrStr(message, "time") || StrStr(message, "otim"))) {
8482 /* Program apparently doesn't have "time" or "otim" command */
8486 if (StrStr(message, "analyze")) {
8487 cps->analysisSupport = FALSE;
8488 cps->analyzing = FALSE;
8489 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8490 EditGameEvent(); // [HGM] try to preserve loaded game
8491 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8492 DisplayError(buf2, 0);
8495 if (StrStr(message, "(no matching move)st")) {
8496 /* Special kludge for GNU Chess 4 only */
8497 cps->stKludge = TRUE;
8498 SendTimeControl(cps, movesPerSession, timeControl,
8499 timeIncrement, appData.searchDepth,
8503 if (StrStr(message, "(no matching move)sd")) {
8504 /* Special kludge for GNU Chess 4 only */
8505 cps->sdKludge = TRUE;
8506 SendTimeControl(cps, movesPerSession, timeControl,
8507 timeIncrement, appData.searchDepth,
8511 if (!StrStr(message, "llegal")) {
8514 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8515 gameMode == IcsIdle) return;
8516 if (forwardMostMove <= backwardMostMove) return;
8517 if (pausing) PauseEvent();
8518 if(appData.forceIllegal) {
8519 // [HGM] illegal: machine refused move; force position after move into it
8520 SendToProgram("force\n", cps);
8521 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8522 // we have a real problem now, as SendBoard will use the a2a3 kludge
8523 // when black is to move, while there might be nothing on a2 or black
8524 // might already have the move. So send the board as if white has the move.
8525 // But first we must change the stm of the engine, as it refused the last move
8526 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8527 if(WhiteOnMove(forwardMostMove)) {
8528 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8529 SendBoard(cps, forwardMostMove); // kludgeless board
8531 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8532 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8533 SendBoard(cps, forwardMostMove+1); // kludgeless board
8535 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8536 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8537 gameMode == TwoMachinesPlay)
8538 SendToProgram("go\n", cps);
8541 if (gameMode == PlayFromGameFile) {
8542 /* Stop reading this game file */
8543 gameMode = EditGame;
8546 /* [HGM] illegal-move claim should forfeit game when Xboard */
8547 /* only passes fully legal moves */
8548 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8549 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8550 "False illegal-move claim", GE_XBOARD );
8551 return; // do not take back move we tested as valid
8553 currentMove = forwardMostMove-1;
8554 DisplayMove(currentMove-1); /* before DisplayMoveError */
8555 SwitchClocks(forwardMostMove-1); // [HGM] race
8556 DisplayBothClocks();
8557 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8558 parseList[currentMove], _(cps->which));
8559 DisplayMoveError(buf1);
8560 DrawPosition(FALSE, boards[currentMove]);
8562 SetUserThinkingEnables();
8565 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8566 /* Program has a broken "time" command that
8567 outputs a string not ending in newline.
8573 * If chess program startup fails, exit with an error message.
8574 * Attempts to recover here are futile. [HGM] Well, we try anyway
8576 if ((StrStr(message, "unknown host") != NULL)
8577 || (StrStr(message, "No remote directory") != NULL)
8578 || (StrStr(message, "not found") != NULL)
8579 || (StrStr(message, "No such file") != NULL)
8580 || (StrStr(message, "can't alloc") != NULL)
8581 || (StrStr(message, "Permission denied") != NULL)) {
8583 cps->maybeThinking = FALSE;
8584 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8585 _(cps->which), cps->program, cps->host, message);
8586 RemoveInputSource(cps->isr);
8587 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8588 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8589 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8595 * Look for hint output
8597 if (sscanf(message, "Hint: %s", buf1) == 1) {
8598 if (cps == &first && hintRequested) {
8599 hintRequested = FALSE;
8600 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8601 &fromX, &fromY, &toX, &toY, &promoChar)) {
8602 (void) CoordsToAlgebraic(boards[forwardMostMove],
8603 PosFlags(forwardMostMove),
8604 fromY, fromX, toY, toX, promoChar, buf1);
8605 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8606 DisplayInformation(buf2);
8608 /* Hint move could not be parsed!? */
8609 snprintf(buf2, sizeof(buf2),
8610 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8611 buf1, _(cps->which));
8612 DisplayError(buf2, 0);
8615 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8621 * Ignore other messages if game is not in progress
8623 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8624 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8627 * look for win, lose, draw, or draw offer
8629 if (strncmp(message, "1-0", 3) == 0) {
8630 char *p, *q, *r = "";
8631 p = strchr(message, '{');
8639 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8641 } else if (strncmp(message, "0-1", 3) == 0) {
8642 char *p, *q, *r = "";
8643 p = strchr(message, '{');
8651 /* Kludge for Arasan 4.1 bug */
8652 if (strcmp(r, "Black resigns") == 0) {
8653 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8656 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8658 } else if (strncmp(message, "1/2", 3) == 0) {
8659 char *p, *q, *r = "";
8660 p = strchr(message, '{');
8669 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8672 } else if (strncmp(message, "White resign", 12) == 0) {
8673 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8675 } else if (strncmp(message, "Black resign", 12) == 0) {
8676 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8678 } else if (strncmp(message, "White matches", 13) == 0 ||
8679 strncmp(message, "Black matches", 13) == 0 ) {
8680 /* [HGM] ignore GNUShogi noises */
8682 } else if (strncmp(message, "White", 5) == 0 &&
8683 message[5] != '(' &&
8684 StrStr(message, "Black") == NULL) {
8685 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8687 } else if (strncmp(message, "Black", 5) == 0 &&
8688 message[5] != '(') {
8689 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8691 } else if (strcmp(message, "resign") == 0 ||
8692 strcmp(message, "computer resigns") == 0) {
8694 case MachinePlaysBlack:
8695 case IcsPlayingBlack:
8696 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8698 case MachinePlaysWhite:
8699 case IcsPlayingWhite:
8700 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8702 case TwoMachinesPlay:
8703 if (cps->twoMachinesColor[0] == 'w')
8704 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8706 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8713 } else if (strncmp(message, "opponent mates", 14) == 0) {
8715 case MachinePlaysBlack:
8716 case IcsPlayingBlack:
8717 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8719 case MachinePlaysWhite:
8720 case IcsPlayingWhite:
8721 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8723 case TwoMachinesPlay:
8724 if (cps->twoMachinesColor[0] == 'w')
8725 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8727 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8734 } else if (strncmp(message, "computer mates", 14) == 0) {
8736 case MachinePlaysBlack:
8737 case IcsPlayingBlack:
8738 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8740 case MachinePlaysWhite:
8741 case IcsPlayingWhite:
8742 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8744 case TwoMachinesPlay:
8745 if (cps->twoMachinesColor[0] == 'w')
8746 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8748 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8755 } else if (strncmp(message, "checkmate", 9) == 0) {
8756 if (WhiteOnMove(forwardMostMove)) {
8757 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8759 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8762 } else if (strstr(message, "Draw") != NULL ||
8763 strstr(message, "game is a draw") != NULL) {
8764 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8766 } else if (strstr(message, "offer") != NULL &&
8767 strstr(message, "draw") != NULL) {
8769 if (appData.zippyPlay && first.initDone) {
8770 /* Relay offer to ICS */
8771 SendToICS(ics_prefix);
8772 SendToICS("draw\n");
8775 cps->offeredDraw = 2; /* valid until this engine moves twice */
8776 if (gameMode == TwoMachinesPlay) {
8777 if (cps->other->offeredDraw) {
8778 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8779 /* [HGM] in two-machine mode we delay relaying draw offer */
8780 /* until after we also have move, to see if it is really claim */
8782 } else if (gameMode == MachinePlaysWhite ||
8783 gameMode == MachinePlaysBlack) {
8784 if (userOfferedDraw) {
8785 DisplayInformation(_("Machine accepts your draw offer"));
8786 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8788 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8795 * Look for thinking output
8797 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8798 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8800 int plylev, mvleft, mvtot, curscore, time;
8801 char mvname[MOVE_LEN];
8805 int prefixHint = FALSE;
8806 mvname[0] = NULLCHAR;
8809 case MachinePlaysBlack:
8810 case IcsPlayingBlack:
8811 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8813 case MachinePlaysWhite:
8814 case IcsPlayingWhite:
8815 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8820 case IcsObserving: /* [DM] icsEngineAnalyze */
8821 if (!appData.icsEngineAnalyze) ignore = TRUE;
8823 case TwoMachinesPlay:
8824 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8834 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8836 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8837 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8839 if (plyext != ' ' && plyext != '\t') {
8843 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8844 if( cps->scoreIsAbsolute &&
8845 ( gameMode == MachinePlaysBlack ||
8846 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8847 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8848 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8849 !WhiteOnMove(currentMove)
8852 curscore = -curscore;
8855 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8857 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8860 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8861 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8862 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8863 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8864 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8865 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8867 } else DisplayError(_("failed writing PV"), 0);
8870 tempStats.depth = plylev;
8871 tempStats.nodes = nodes;
8872 tempStats.time = time;
8873 tempStats.score = curscore;
8874 tempStats.got_only_move = 0;
8876 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8879 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8880 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8881 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8882 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8883 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8884 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8885 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8886 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8889 /* Buffer overflow protection */
8890 if (pv[0] != NULLCHAR) {
8891 if (strlen(pv) >= sizeof(tempStats.movelist)
8892 && appData.debugMode) {
8894 "PV is too long; using the first %u bytes.\n",
8895 (unsigned) sizeof(tempStats.movelist) - 1);
8898 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8900 sprintf(tempStats.movelist, " no PV\n");
8903 if (tempStats.seen_stat) {
8904 tempStats.ok_to_send = 1;
8907 if (strchr(tempStats.movelist, '(') != NULL) {
8908 tempStats.line_is_book = 1;
8909 tempStats.nr_moves = 0;
8910 tempStats.moves_left = 0;
8912 tempStats.line_is_book = 0;
8915 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8916 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8918 SendProgramStatsToFrontend( cps, &tempStats );
8921 [AS] Protect the thinkOutput buffer from overflow... this
8922 is only useful if buf1 hasn't overflowed first!
8924 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8926 (gameMode == TwoMachinesPlay ?
8927 ToUpper(cps->twoMachinesColor[0]) : ' '),
8928 ((double) curscore) / 100.0,
8929 prefixHint ? lastHint : "",
8930 prefixHint ? " " : "" );
8932 if( buf1[0] != NULLCHAR ) {
8933 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8935 if( strlen(pv) > max_len ) {
8936 if( appData.debugMode) {
8937 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8939 pv[max_len+1] = '\0';
8942 strcat( thinkOutput, pv);
8945 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8946 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8947 DisplayMove(currentMove - 1);
8951 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8952 /* crafty (9.25+) says "(only move) <move>"
8953 * if there is only 1 legal move
8955 sscanf(p, "(only move) %s", buf1);
8956 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8957 sprintf(programStats.movelist, "%s (only move)", buf1);
8958 programStats.depth = 1;
8959 programStats.nr_moves = 1;
8960 programStats.moves_left = 1;
8961 programStats.nodes = 1;
8962 programStats.time = 1;
8963 programStats.got_only_move = 1;
8965 /* Not really, but we also use this member to
8966 mean "line isn't going to change" (Crafty
8967 isn't searching, so stats won't change) */
8968 programStats.line_is_book = 1;
8970 SendProgramStatsToFrontend( cps, &programStats );
8972 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8973 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8974 DisplayMove(currentMove - 1);
8977 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8978 &time, &nodes, &plylev, &mvleft,
8979 &mvtot, mvname) >= 5) {
8980 /* The stat01: line is from Crafty (9.29+) in response
8981 to the "." command */
8982 programStats.seen_stat = 1;
8983 cps->maybeThinking = TRUE;
8985 if (programStats.got_only_move || !appData.periodicUpdates)
8988 programStats.depth = plylev;
8989 programStats.time = time;
8990 programStats.nodes = nodes;
8991 programStats.moves_left = mvleft;
8992 programStats.nr_moves = mvtot;
8993 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8994 programStats.ok_to_send = 1;
8995 programStats.movelist[0] = '\0';
8997 SendProgramStatsToFrontend( cps, &programStats );
9001 } else if (strncmp(message,"++",2) == 0) {
9002 /* Crafty 9.29+ outputs this */
9003 programStats.got_fail = 2;
9006 } else if (strncmp(message,"--",2) == 0) {
9007 /* Crafty 9.29+ outputs this */
9008 programStats.got_fail = 1;
9011 } else if (thinkOutput[0] != NULLCHAR &&
9012 strncmp(message, " ", 4) == 0) {
9013 unsigned message_len;
9016 while (*p && *p == ' ') p++;
9018 message_len = strlen( p );
9020 /* [AS] Avoid buffer overflow */
9021 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9022 strcat(thinkOutput, " ");
9023 strcat(thinkOutput, p);
9026 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9027 strcat(programStats.movelist, " ");
9028 strcat(programStats.movelist, p);
9031 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9032 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9033 DisplayMove(currentMove - 1);
9041 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9042 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9044 ChessProgramStats cpstats;
9046 if (plyext != ' ' && plyext != '\t') {
9050 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9051 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9052 curscore = -curscore;
9055 cpstats.depth = plylev;
9056 cpstats.nodes = nodes;
9057 cpstats.time = time;
9058 cpstats.score = curscore;
9059 cpstats.got_only_move = 0;
9060 cpstats.movelist[0] = '\0';
9062 if (buf1[0] != NULLCHAR) {
9063 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9066 cpstats.ok_to_send = 0;
9067 cpstats.line_is_book = 0;
9068 cpstats.nr_moves = 0;
9069 cpstats.moves_left = 0;
9071 SendProgramStatsToFrontend( cps, &cpstats );
9078 /* Parse a game score from the character string "game", and
9079 record it as the history of the current game. The game
9080 score is NOT assumed to start from the standard position.
9081 The display is not updated in any way.
9084 ParseGameHistory (char *game)
9087 int fromX, fromY, toX, toY, boardIndex;
9092 if (appData.debugMode)
9093 fprintf(debugFP, "Parsing game history: %s\n", game);
9095 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9096 gameInfo.site = StrSave(appData.icsHost);
9097 gameInfo.date = PGNDate();
9098 gameInfo.round = StrSave("-");
9100 /* Parse out names of players */
9101 while (*game == ' ') game++;
9103 while (*game != ' ') *p++ = *game++;
9105 gameInfo.white = StrSave(buf);
9106 while (*game == ' ') game++;
9108 while (*game != ' ' && *game != '\n') *p++ = *game++;
9110 gameInfo.black = StrSave(buf);
9113 boardIndex = blackPlaysFirst ? 1 : 0;
9116 yyboardindex = boardIndex;
9117 moveType = (ChessMove) Myylex();
9119 case IllegalMove: /* maybe suicide chess, etc. */
9120 if (appData.debugMode) {
9121 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9122 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9123 setbuf(debugFP, NULL);
9125 case WhitePromotion:
9126 case BlackPromotion:
9127 case WhiteNonPromotion:
9128 case BlackNonPromotion:
9130 case WhiteCapturesEnPassant:
9131 case BlackCapturesEnPassant:
9132 case WhiteKingSideCastle:
9133 case WhiteQueenSideCastle:
9134 case BlackKingSideCastle:
9135 case BlackQueenSideCastle:
9136 case WhiteKingSideCastleWild:
9137 case WhiteQueenSideCastleWild:
9138 case BlackKingSideCastleWild:
9139 case BlackQueenSideCastleWild:
9141 case WhiteHSideCastleFR:
9142 case WhiteASideCastleFR:
9143 case BlackHSideCastleFR:
9144 case BlackASideCastleFR:
9146 fromX = currentMoveString[0] - AAA;
9147 fromY = currentMoveString[1] - ONE;
9148 toX = currentMoveString[2] - AAA;
9149 toY = currentMoveString[3] - ONE;
9150 promoChar = currentMoveString[4];
9154 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9155 fromX = moveType == WhiteDrop ?
9156 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9157 (int) CharToPiece(ToLower(currentMoveString[0]));
9159 toX = currentMoveString[2] - AAA;
9160 toY = currentMoveString[3] - ONE;
9161 promoChar = NULLCHAR;
9165 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9166 if (appData.debugMode) {
9167 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9168 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9169 setbuf(debugFP, NULL);
9171 DisplayError(buf, 0);
9173 case ImpossibleMove:
9175 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9176 if (appData.debugMode) {
9177 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9178 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9179 setbuf(debugFP, NULL);
9181 DisplayError(buf, 0);
9184 if (boardIndex < backwardMostMove) {
9185 /* Oops, gap. How did that happen? */
9186 DisplayError(_("Gap in move list"), 0);
9189 backwardMostMove = blackPlaysFirst ? 1 : 0;
9190 if (boardIndex > forwardMostMove) {
9191 forwardMostMove = boardIndex;
9195 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9196 strcat(parseList[boardIndex-1], " ");
9197 strcat(parseList[boardIndex-1], yy_text);
9209 case GameUnfinished:
9210 if (gameMode == IcsExamining) {
9211 if (boardIndex < backwardMostMove) {
9212 /* Oops, gap. How did that happen? */
9215 backwardMostMove = blackPlaysFirst ? 1 : 0;
9218 gameInfo.result = moveType;
9219 p = strchr(yy_text, '{');
9220 if (p == NULL) p = strchr(yy_text, '(');
9223 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9225 q = strchr(p, *p == '{' ? '}' : ')');
9226 if (q != NULL) *q = NULLCHAR;
9229 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9230 gameInfo.resultDetails = StrSave(p);
9233 if (boardIndex >= forwardMostMove &&
9234 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9235 backwardMostMove = blackPlaysFirst ? 1 : 0;
9238 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9239 fromY, fromX, toY, toX, promoChar,
9240 parseList[boardIndex]);
9241 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9242 /* currentMoveString is set as a side-effect of yylex */
9243 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9244 strcat(moveList[boardIndex], "\n");
9246 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9247 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9253 if(gameInfo.variant != VariantShogi)
9254 strcat(parseList[boardIndex - 1], "+");
9258 strcat(parseList[boardIndex - 1], "#");
9265 /* Apply a move to the given board */
9267 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9269 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9270 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9272 /* [HGM] compute & store e.p. status and castling rights for new position */
9273 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9275 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9276 oldEP = (signed char)board[EP_STATUS];
9277 board[EP_STATUS] = EP_NONE;
9279 if (fromY == DROP_RANK) {
9281 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9282 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9285 piece = board[toY][toX] = (ChessSquare) fromX;
9289 if( board[toY][toX] != EmptySquare )
9290 board[EP_STATUS] = EP_CAPTURE;
9292 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9293 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9294 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9296 if( board[fromY][fromX] == WhitePawn ) {
9297 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9298 board[EP_STATUS] = EP_PAWN_MOVE;
9300 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9301 gameInfo.variant != VariantBerolina || toX < fromX)
9302 board[EP_STATUS] = toX | berolina;
9303 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9304 gameInfo.variant != VariantBerolina || toX > fromX)
9305 board[EP_STATUS] = toX;
9308 if( board[fromY][fromX] == BlackPawn ) {
9309 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9310 board[EP_STATUS] = EP_PAWN_MOVE;
9311 if( toY-fromY== -2) {
9312 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9313 gameInfo.variant != VariantBerolina || toX < fromX)
9314 board[EP_STATUS] = toX | berolina;
9315 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9316 gameInfo.variant != VariantBerolina || toX > fromX)
9317 board[EP_STATUS] = toX;
9321 for(i=0; i<nrCastlingRights; i++) {
9322 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9323 board[CASTLING][i] == toX && castlingRank[i] == toY
9324 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9327 if(gameInfo.variant == VariantSChess) { // update virginity
9328 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9329 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9330 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9331 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9334 if (fromX == toX && fromY == toY) return;
9336 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9337 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9338 if(gameInfo.variant == VariantKnightmate)
9339 king += (int) WhiteUnicorn - (int) WhiteKing;
9341 /* Code added by Tord: */
9342 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9343 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9344 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9345 board[fromY][fromX] = EmptySquare;
9346 board[toY][toX] = EmptySquare;
9347 if((toX > fromX) != (piece == WhiteRook)) {
9348 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9350 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9352 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9353 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9354 board[fromY][fromX] = EmptySquare;
9355 board[toY][toX] = EmptySquare;
9356 if((toX > fromX) != (piece == BlackRook)) {
9357 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9359 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9361 /* End of code added by Tord */
9363 } else if (board[fromY][fromX] == king
9364 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9365 && toY == fromY && toX > fromX+1) {
9366 board[fromY][fromX] = EmptySquare;
9367 board[toY][toX] = king;
9368 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9369 board[fromY][BOARD_RGHT-1] = EmptySquare;
9370 } else if (board[fromY][fromX] == king
9371 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9372 && toY == fromY && toX < fromX-1) {
9373 board[fromY][fromX] = EmptySquare;
9374 board[toY][toX] = king;
9375 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9376 board[fromY][BOARD_LEFT] = EmptySquare;
9377 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9378 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9379 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9381 /* white pawn promotion */
9382 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9383 if(gameInfo.variant==VariantBughouse ||
9384 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9385 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9386 board[fromY][fromX] = EmptySquare;
9387 } else if ((fromY >= BOARD_HEIGHT>>1)
9389 && gameInfo.variant != VariantXiangqi
9390 && gameInfo.variant != VariantBerolina
9391 && (board[fromY][fromX] == WhitePawn)
9392 && (board[toY][toX] == EmptySquare)) {
9393 board[fromY][fromX] = EmptySquare;
9394 board[toY][toX] = WhitePawn;
9395 captured = board[toY - 1][toX];
9396 board[toY - 1][toX] = EmptySquare;
9397 } else if ((fromY == BOARD_HEIGHT-4)
9399 && gameInfo.variant == VariantBerolina
9400 && (board[fromY][fromX] == WhitePawn)
9401 && (board[toY][toX] == EmptySquare)) {
9402 board[fromY][fromX] = EmptySquare;
9403 board[toY][toX] = WhitePawn;
9404 if(oldEP & EP_BEROLIN_A) {
9405 captured = board[fromY][fromX-1];
9406 board[fromY][fromX-1] = EmptySquare;
9407 }else{ captured = board[fromY][fromX+1];
9408 board[fromY][fromX+1] = EmptySquare;
9410 } else if (board[fromY][fromX] == king
9411 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9412 && toY == fromY && toX > fromX+1) {
9413 board[fromY][fromX] = EmptySquare;
9414 board[toY][toX] = king;
9415 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9416 board[fromY][BOARD_RGHT-1] = EmptySquare;
9417 } else if (board[fromY][fromX] == king
9418 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9419 && toY == fromY && toX < fromX-1) {
9420 board[fromY][fromX] = EmptySquare;
9421 board[toY][toX] = king;
9422 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9423 board[fromY][BOARD_LEFT] = EmptySquare;
9424 } else if (fromY == 7 && fromX == 3
9425 && board[fromY][fromX] == BlackKing
9426 && toY == 7 && toX == 5) {
9427 board[fromY][fromX] = EmptySquare;
9428 board[toY][toX] = BlackKing;
9429 board[fromY][7] = EmptySquare;
9430 board[toY][4] = BlackRook;
9431 } else if (fromY == 7 && fromX == 3
9432 && board[fromY][fromX] == BlackKing
9433 && toY == 7 && toX == 1) {
9434 board[fromY][fromX] = EmptySquare;
9435 board[toY][toX] = BlackKing;
9436 board[fromY][0] = EmptySquare;
9437 board[toY][2] = BlackRook;
9438 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9439 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9440 && toY < promoRank && promoChar
9442 /* black pawn promotion */
9443 board[toY][toX] = CharToPiece(ToLower(promoChar));
9444 if(gameInfo.variant==VariantBughouse ||
9445 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9446 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9447 board[fromY][fromX] = EmptySquare;
9448 } else if ((fromY < BOARD_HEIGHT>>1)
9450 && gameInfo.variant != VariantXiangqi
9451 && gameInfo.variant != VariantBerolina
9452 && (board[fromY][fromX] == BlackPawn)
9453 && (board[toY][toX] == EmptySquare)) {
9454 board[fromY][fromX] = EmptySquare;
9455 board[toY][toX] = BlackPawn;
9456 captured = board[toY + 1][toX];
9457 board[toY + 1][toX] = EmptySquare;
9458 } else if ((fromY == 3)
9460 && gameInfo.variant == VariantBerolina
9461 && (board[fromY][fromX] == BlackPawn)
9462 && (board[toY][toX] == EmptySquare)) {
9463 board[fromY][fromX] = EmptySquare;
9464 board[toY][toX] = BlackPawn;
9465 if(oldEP & EP_BEROLIN_A) {
9466 captured = board[fromY][fromX-1];
9467 board[fromY][fromX-1] = EmptySquare;
9468 }else{ captured = board[fromY][fromX+1];
9469 board[fromY][fromX+1] = EmptySquare;
9472 board[toY][toX] = board[fromY][fromX];
9473 board[fromY][fromX] = EmptySquare;
9477 if (gameInfo.holdingsWidth != 0) {
9479 /* !!A lot more code needs to be written to support holdings */
9480 /* [HGM] OK, so I have written it. Holdings are stored in the */
9481 /* penultimate board files, so they are automaticlly stored */
9482 /* in the game history. */
9483 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9484 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9485 /* Delete from holdings, by decreasing count */
9486 /* and erasing image if necessary */
9487 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9488 if(p < (int) BlackPawn) { /* white drop */
9489 p -= (int)WhitePawn;
9490 p = PieceToNumber((ChessSquare)p);
9491 if(p >= gameInfo.holdingsSize) p = 0;
9492 if(--board[p][BOARD_WIDTH-2] <= 0)
9493 board[p][BOARD_WIDTH-1] = EmptySquare;
9494 if((int)board[p][BOARD_WIDTH-2] < 0)
9495 board[p][BOARD_WIDTH-2] = 0;
9496 } else { /* black drop */
9497 p -= (int)BlackPawn;
9498 p = PieceToNumber((ChessSquare)p);
9499 if(p >= gameInfo.holdingsSize) p = 0;
9500 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9501 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9502 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9503 board[BOARD_HEIGHT-1-p][1] = 0;
9506 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9507 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9508 /* [HGM] holdings: Add to holdings, if holdings exist */
9509 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9510 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9511 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9514 if (p >= (int) BlackPawn) {
9515 p -= (int)BlackPawn;
9516 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9517 /* in Shogi restore piece to its original first */
9518 captured = (ChessSquare) (DEMOTED captured);
9521 p = PieceToNumber((ChessSquare)p);
9522 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9523 board[p][BOARD_WIDTH-2]++;
9524 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9526 p -= (int)WhitePawn;
9527 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9528 captured = (ChessSquare) (DEMOTED captured);
9531 p = PieceToNumber((ChessSquare)p);
9532 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9533 board[BOARD_HEIGHT-1-p][1]++;
9534 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9537 } else if (gameInfo.variant == VariantAtomic) {
9538 if (captured != EmptySquare) {
9540 for (y = toY-1; y <= toY+1; y++) {
9541 for (x = toX-1; x <= toX+1; x++) {
9542 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9543 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9544 board[y][x] = EmptySquare;
9548 board[toY][toX] = EmptySquare;
9551 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9552 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9554 if(promoChar == '+') {
9555 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9556 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9557 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9558 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9559 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9560 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9561 board[toY][toX] = newPiece;
9563 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9564 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9565 // [HGM] superchess: take promotion piece out of holdings
9566 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9567 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9568 if(!--board[k][BOARD_WIDTH-2])
9569 board[k][BOARD_WIDTH-1] = EmptySquare;
9571 if(!--board[BOARD_HEIGHT-1-k][1])
9572 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9578 /* Updates forwardMostMove */
9580 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9582 // forwardMostMove++; // [HGM] bare: moved downstream
9584 (void) CoordsToAlgebraic(boards[forwardMostMove],
9585 PosFlags(forwardMostMove),
9586 fromY, fromX, toY, toX, promoChar,
9587 parseList[forwardMostMove]);
9589 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9590 int timeLeft; static int lastLoadFlag=0; int king, piece;
9591 piece = boards[forwardMostMove][fromY][fromX];
9592 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9593 if(gameInfo.variant == VariantKnightmate)
9594 king += (int) WhiteUnicorn - (int) WhiteKing;
9595 if(forwardMostMove == 0) {
9596 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9597 fprintf(serverMoves, "%s;", UserName());
9598 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9599 fprintf(serverMoves, "%s;", second.tidy);
9600 fprintf(serverMoves, "%s;", first.tidy);
9601 if(gameMode == MachinePlaysWhite)
9602 fprintf(serverMoves, "%s;", UserName());
9603 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9604 fprintf(serverMoves, "%s;", second.tidy);
9605 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9606 lastLoadFlag = loadFlag;
9608 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9609 // print castling suffix
9610 if( toY == fromY && piece == king ) {
9612 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9614 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9617 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9618 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9619 boards[forwardMostMove][toY][toX] == EmptySquare
9620 && fromX != toX && fromY != toY)
9621 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9623 if(promoChar != NULLCHAR) {
9624 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9625 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9626 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9627 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9630 char buf[MOVE_LEN*2], *p; int len;
9631 fprintf(serverMoves, "/%d/%d",
9632 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9633 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9634 else timeLeft = blackTimeRemaining/1000;
9635 fprintf(serverMoves, "/%d", timeLeft);
9636 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9637 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9638 if(p = strchr(buf, '=')) *p = NULLCHAR;
9639 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9640 fprintf(serverMoves, "/%s", buf);
9642 fflush(serverMoves);
9645 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9646 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9649 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9650 if (commentList[forwardMostMove+1] != NULL) {
9651 free(commentList[forwardMostMove+1]);
9652 commentList[forwardMostMove+1] = NULL;
9654 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9655 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9656 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9657 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9658 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9659 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9660 adjustedClock = FALSE;
9661 gameInfo.result = GameUnfinished;
9662 if (gameInfo.resultDetails != NULL) {
9663 free(gameInfo.resultDetails);
9664 gameInfo.resultDetails = NULL;
9666 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9667 moveList[forwardMostMove - 1]);
9668 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9674 if(gameInfo.variant != VariantShogi)
9675 strcat(parseList[forwardMostMove - 1], "+");
9679 strcat(parseList[forwardMostMove - 1], "#");
9685 /* Updates currentMove if not pausing */
9687 ShowMove (int fromX, int fromY, int toX, int toY)
9689 int instant = (gameMode == PlayFromGameFile) ?
9690 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9691 if(appData.noGUI) return;
9692 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9694 if (forwardMostMove == currentMove + 1) {
9695 AnimateMove(boards[forwardMostMove - 1],
9696 fromX, fromY, toX, toY);
9698 if (appData.highlightLastMove) {
9699 SetHighlights(fromX, fromY, toX, toY);
9702 currentMove = forwardMostMove;
9705 if (instant) return;
9707 DisplayMove(currentMove - 1);
9708 DrawPosition(FALSE, boards[currentMove]);
9709 DisplayBothClocks();
9710 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9714 SendEgtPath (ChessProgramState *cps)
9715 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9716 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9718 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9721 char c, *q = name+1, *r, *s;
9723 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9724 while(*p && *p != ',') *q++ = *p++;
9726 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9727 strcmp(name, ",nalimov:") == 0 ) {
9728 // take nalimov path from the menu-changeable option first, if it is defined
9729 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9730 SendToProgram(buf,cps); // send egtbpath command for nalimov
9732 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9733 (s = StrStr(appData.egtFormats, name)) != NULL) {
9734 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9735 s = r = StrStr(s, ":") + 1; // beginning of path info
9736 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9737 c = *r; *r = 0; // temporarily null-terminate path info
9738 *--q = 0; // strip of trailig ':' from name
9739 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9741 SendToProgram(buf,cps); // send egtbpath command for this format
9743 if(*p == ',') p++; // read away comma to position for next format name
9748 InitChessProgram (ChessProgramState *cps, int setup)
9749 /* setup needed to setup FRC opening position */
9751 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9752 if (appData.noChessProgram) return;
9753 hintRequested = FALSE;
9754 bookRequested = FALSE;
9756 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9757 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9758 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9759 if(cps->memSize) { /* [HGM] memory */
9760 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9761 SendToProgram(buf, cps);
9763 SendEgtPath(cps); /* [HGM] EGT */
9764 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9765 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9766 SendToProgram(buf, cps);
9769 SendToProgram(cps->initString, cps);
9770 if (gameInfo.variant != VariantNormal &&
9771 gameInfo.variant != VariantLoadable
9772 /* [HGM] also send variant if board size non-standard */
9773 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9775 char *v = VariantName(gameInfo.variant);
9776 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9777 /* [HGM] in protocol 1 we have to assume all variants valid */
9778 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9779 DisplayFatalError(buf, 0, 1);
9783 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9784 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9785 if( gameInfo.variant == VariantXiangqi )
9786 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9787 if( gameInfo.variant == VariantShogi )
9788 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9789 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9790 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9791 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9792 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9793 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9794 if( gameInfo.variant == VariantCourier )
9795 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9796 if( gameInfo.variant == VariantSuper )
9797 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9798 if( gameInfo.variant == VariantGreat )
9799 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9800 if( gameInfo.variant == VariantSChess )
9801 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9802 if( gameInfo.variant == VariantGrand )
9803 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9806 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9807 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9808 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9809 if(StrStr(cps->variants, b) == NULL) {
9810 // specific sized variant not known, check if general sizing allowed
9811 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9812 if(StrStr(cps->variants, "boardsize") == NULL) {
9813 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9814 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9815 DisplayFatalError(buf, 0, 1);
9818 /* [HGM] here we really should compare with the maximum supported board size */
9821 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9822 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9823 SendToProgram(buf, cps);
9825 currentlyInitializedVariant = gameInfo.variant;
9827 /* [HGM] send opening position in FRC to first engine */
9829 SendToProgram("force\n", cps);
9831 /* engine is now in force mode! Set flag to wake it up after first move. */
9832 setboardSpoiledMachineBlack = 1;
9836 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9837 SendToProgram(buf, cps);
9839 cps->maybeThinking = FALSE;
9840 cps->offeredDraw = 0;
9841 if (!appData.icsActive) {
9842 SendTimeControl(cps, movesPerSession, timeControl,
9843 timeIncrement, appData.searchDepth,
9846 if (appData.showThinking
9847 // [HGM] thinking: four options require thinking output to be sent
9848 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9850 SendToProgram("post\n", cps);
9852 SendToProgram("hard\n", cps);
9853 if (!appData.ponderNextMove) {
9854 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9855 it without being sure what state we are in first. "hard"
9856 is not a toggle, so that one is OK.
9858 SendToProgram("easy\n", cps);
9861 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9862 SendToProgram(buf, cps);
9864 cps->initDone = TRUE;
9865 ClearEngineOutputPane(cps == &second);
9870 StartChessProgram (ChessProgramState *cps)
9875 if (appData.noChessProgram) return;
9876 cps->initDone = FALSE;
9878 if (strcmp(cps->host, "localhost") == 0) {
9879 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9880 } else if (*appData.remoteShell == NULLCHAR) {
9881 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9883 if (*appData.remoteUser == NULLCHAR) {
9884 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9887 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9888 cps->host, appData.remoteUser, cps->program);
9890 err = StartChildProcess(buf, "", &cps->pr);
9894 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9895 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9896 if(cps != &first) return;
9897 appData.noChessProgram = TRUE;
9900 // DisplayFatalError(buf, err, 1);
9901 // cps->pr = NoProc;
9906 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9907 if (cps->protocolVersion > 1) {
9908 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9909 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9910 cps->comboCnt = 0; // and values of combo boxes
9911 SendToProgram(buf, cps);
9913 SendToProgram("xboard\n", cps);
9918 TwoMachinesEventIfReady P((void))
9920 static int curMess = 0;
9921 if (first.lastPing != first.lastPong) {
9922 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9923 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9926 if (second.lastPing != second.lastPong) {
9927 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9928 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9931 DisplayMessage("", ""); curMess = 0;
9937 MakeName (char *template)
9941 static char buf[MSG_SIZ];
9945 clock = time((time_t *)NULL);
9946 tm = localtime(&clock);
9948 while(*p++ = *template++) if(p[-1] == '%') {
9949 switch(*template++) {
9950 case 0: *p = 0; return buf;
9951 case 'Y': i = tm->tm_year+1900; break;
9952 case 'y': i = tm->tm_year-100; break;
9953 case 'M': i = tm->tm_mon+1; break;
9954 case 'd': i = tm->tm_mday; break;
9955 case 'h': i = tm->tm_hour; break;
9956 case 'm': i = tm->tm_min; break;
9957 case 's': i = tm->tm_sec; break;
9960 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9966 CountPlayers (char *p)
9969 while(p = strchr(p, '\n')) p++, n++; // count participants
9974 WriteTourneyFile (char *results, FILE *f)
9975 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9976 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9977 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9978 // create a file with tournament description
9979 fprintf(f, "-participants {%s}\n", appData.participants);
9980 fprintf(f, "-seedBase %d\n", appData.seedBase);
9981 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9982 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9983 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9984 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9985 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9986 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9987 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9988 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9989 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9990 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9991 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9992 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9994 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9996 fprintf(f, "-mps %d\n", appData.movesPerSession);
9997 fprintf(f, "-tc %s\n", appData.timeControl);
9998 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10000 fprintf(f, "-results \"%s\"\n", results);
10005 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10008 Substitute (char *participants, int expunge)
10010 int i, changed, changes=0, nPlayers=0;
10011 char *p, *q, *r, buf[MSG_SIZ];
10012 if(participants == NULL) return;
10013 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10014 r = p = participants; q = appData.participants;
10015 while(*p && *p == *q) {
10016 if(*p == '\n') r = p+1, nPlayers++;
10019 if(*p) { // difference
10020 while(*p && *p++ != '\n');
10021 while(*q && *q++ != '\n');
10022 changed = nPlayers;
10023 changes = 1 + (strcmp(p, q) != 0);
10025 if(changes == 1) { // a single engine mnemonic was changed
10026 q = r; while(*q) nPlayers += (*q++ == '\n');
10027 p = buf; while(*r && (*p = *r++) != '\n') p++;
10029 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10030 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10031 if(mnemonic[i]) { // The substitute is valid
10033 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10034 flock(fileno(f), LOCK_EX);
10035 ParseArgsFromFile(f);
10036 fseek(f, 0, SEEK_SET);
10037 FREE(appData.participants); appData.participants = participants;
10038 if(expunge) { // erase results of replaced engine
10039 int len = strlen(appData.results), w, b, dummy;
10040 for(i=0; i<len; i++) {
10041 Pairing(i, nPlayers, &w, &b, &dummy);
10042 if((w == changed || b == changed) && appData.results[i] == '*') {
10043 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10048 for(i=0; i<len; i++) {
10049 Pairing(i, nPlayers, &w, &b, &dummy);
10050 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10053 WriteTourneyFile(appData.results, f);
10054 fclose(f); // release lock
10057 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10059 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10060 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10061 free(participants);
10066 CheckPlayers (char *participants)
10069 char buf[MSG_SIZ], *p;
10070 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10071 while(p = strchr(participants, '\n')) {
10073 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10075 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10077 DisplayError(buf, 0);
10081 participants = p + 1;
10087 CreateTourney (char *name)
10090 if(matchMode && strcmp(name, appData.tourneyFile)) {
10091 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10093 if(name[0] == NULLCHAR) {
10094 if(appData.participants[0])
10095 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10098 f = fopen(name, "r");
10099 if(f) { // file exists
10100 ASSIGN(appData.tourneyFile, name);
10101 ParseArgsFromFile(f); // parse it
10103 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10104 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10105 DisplayError(_("Not enough participants"), 0);
10108 if(CheckPlayers(appData.participants)) return 0;
10109 ASSIGN(appData.tourneyFile, name);
10110 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10111 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10114 appData.noChessProgram = FALSE;
10115 appData.clockMode = TRUE;
10121 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10123 char buf[MSG_SIZ], *p, *q;
10124 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10125 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10126 skip = !all && group[0]; // if group requested, we start in skip mode
10127 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10128 p = names; q = buf; header = 0;
10129 while(*p && *p != '\n') *q++ = *p++;
10131 if(*p == '\n') p++;
10132 if(buf[0] == '#') {
10133 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10134 depth++; // we must be entering a new group
10135 if(all) continue; // suppress printing group headers when complete list requested
10137 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10139 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10140 if(engineList[i]) free(engineList[i]);
10141 engineList[i] = strdup(buf);
10142 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10143 if(engineMnemonic[i]) free(engineMnemonic[i]);
10144 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10146 sscanf(q + 8, "%s", buf + strlen(buf));
10149 engineMnemonic[i] = strdup(buf);
10152 engineList[i] = engineMnemonic[i] = NULL;
10156 // following implemented as macro to avoid type limitations
10157 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10160 SwapEngines (int n)
10161 { // swap settings for first engine and other engine (so far only some selected options)
10166 SWAP(chessProgram, p)
10168 SWAP(hasOwnBookUCI, h)
10169 SWAP(protocolVersion, h)
10171 SWAP(scoreIsAbsolute, h)
10176 SWAP(engOptions, p)
10177 SWAP(engInitString, p)
10178 SWAP(computerString, p)
10180 SWAP(fenOverride, p)
10182 SWAP(accumulateTC, h)
10187 GetEngineLine (char *s, int n)
10191 extern char *icsNames;
10192 if(!s || !*s) return 0;
10193 NamesToList(n == 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10194 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10195 if(!mnemonic[i]) return 0;
10196 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10197 if(n == 1) SwapEngines(n);
10198 ParseArgsFromString(buf);
10199 if(n == 1) SwapEngines(n);
10200 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10201 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10202 ParseArgsFromString(buf);
10208 SetPlayer (int player, char *p)
10209 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10211 char buf[MSG_SIZ], *engineName;
10212 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10213 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10214 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10216 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10217 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10218 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10219 ParseArgsFromString(buf);
10225 char *recentEngines;
10228 RecentEngineEvent (int nr)
10231 // SwapEngines(1); // bump first to second
10232 // ReplaceEngine(&second, 1); // and load it there
10233 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10234 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10235 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10236 ReplaceEngine(&first, 0);
10237 FloatToFront(&appData.recentEngineList, command[n]);
10242 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10243 { // determine players from game number
10244 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10246 if(appData.tourneyType == 0) {
10247 roundsPerCycle = (nPlayers - 1) | 1;
10248 pairingsPerRound = nPlayers / 2;
10249 } else if(appData.tourneyType > 0) {
10250 roundsPerCycle = nPlayers - appData.tourneyType;
10251 pairingsPerRound = appData.tourneyType;
10253 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10254 gamesPerCycle = gamesPerRound * roundsPerCycle;
10255 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10256 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10257 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10258 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10259 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10260 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10262 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10263 if(appData.roundSync) *syncInterval = gamesPerRound;
10265 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10267 if(appData.tourneyType == 0) {
10268 if(curPairing == (nPlayers-1)/2 ) {
10269 *whitePlayer = curRound;
10270 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10272 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10273 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10274 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10275 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10277 } else if(appData.tourneyType > 1) {
10278 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10279 *whitePlayer = curRound + appData.tourneyType;
10280 } else if(appData.tourneyType > 0) {
10281 *whitePlayer = curPairing;
10282 *blackPlayer = curRound + appData.tourneyType;
10285 // take care of white/black alternation per round.
10286 // For cycles and games this is already taken care of by default, derived from matchGame!
10287 return curRound & 1;
10291 NextTourneyGame (int nr, int *swapColors)
10292 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10294 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10296 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10297 tf = fopen(appData.tourneyFile, "r");
10298 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10299 ParseArgsFromFile(tf); fclose(tf);
10300 InitTimeControls(); // TC might be altered from tourney file
10302 nPlayers = CountPlayers(appData.participants); // count participants
10303 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10304 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10307 p = q = appData.results;
10308 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10309 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10310 DisplayMessage(_("Waiting for other game(s)"),"");
10311 waitingForGame = TRUE;
10312 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10315 waitingForGame = FALSE;
10318 if(appData.tourneyType < 0) {
10319 if(nr>=0 && !pairingReceived) {
10321 if(pairing.pr == NoProc) {
10322 if(!appData.pairingEngine[0]) {
10323 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10326 StartChessProgram(&pairing); // starts the pairing engine
10328 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10329 SendToProgram(buf, &pairing);
10330 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10331 SendToProgram(buf, &pairing);
10332 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10334 pairingReceived = 0; // ... so we continue here
10336 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10337 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10338 matchGame = 1; roundNr = nr / syncInterval + 1;
10341 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10343 // redefine engines, engine dir, etc.
10344 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10345 if(first.pr == NoProc) {
10346 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10347 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10349 if(second.pr == NoProc) {
10351 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10352 SwapEngines(1); // and make that valid for second engine by swapping
10353 InitEngine(&second, 1);
10355 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10356 UpdateLogos(FALSE); // leave display to ModeHiglight()
10362 { // performs game initialization that does not invoke engines, and then tries to start the game
10363 int res, firstWhite, swapColors = 0;
10364 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10365 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
10367 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10368 if(strcmp(buf, currentDebugFile)) { // name has changed
10369 FILE *f = fopen(buf, "w");
10370 if(f) { // if opening the new file failed, just keep using the old one
10371 ASSIGN(currentDebugFile, buf);
10375 if(appData.serverFileName) {
10376 if(serverFP) fclose(serverFP);
10377 serverFP = fopen(appData.serverFileName, "w");
10378 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10379 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10383 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10384 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10385 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10386 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10387 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10388 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10389 Reset(FALSE, first.pr != NoProc);
10390 res = LoadGameOrPosition(matchGame); // setup game
10391 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10392 if(!res) return; // abort when bad game/pos file
10393 TwoMachinesEvent();
10397 UserAdjudicationEvent (int result)
10399 ChessMove gameResult = GameIsDrawn;
10402 gameResult = WhiteWins;
10404 else if( result < 0 ) {
10405 gameResult = BlackWins;
10408 if( gameMode == TwoMachinesPlay ) {
10409 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10414 // [HGM] save: calculate checksum of game to make games easily identifiable
10416 StringCheckSum (char *s)
10419 if(s==NULL) return 0;
10420 while(*s) i = i*259 + *s++;
10428 for(i=backwardMostMove; i<forwardMostMove; i++) {
10429 sum += pvInfoList[i].depth;
10430 sum += StringCheckSum(parseList[i]);
10431 sum += StringCheckSum(commentList[i]);
10434 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10435 return sum + StringCheckSum(commentList[i]);
10436 } // end of save patch
10439 GameEnds (ChessMove result, char *resultDetails, int whosays)
10441 GameMode nextGameMode;
10443 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10445 if(endingGame) return; /* [HGM] crash: forbid recursion */
10447 if(twoBoards) { // [HGM] dual: switch back to one board
10448 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10449 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10451 if (appData.debugMode) {
10452 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10453 result, resultDetails ? resultDetails : "(null)", whosays);
10456 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10458 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10459 /* If we are playing on ICS, the server decides when the
10460 game is over, but the engine can offer to draw, claim
10464 if (appData.zippyPlay && first.initDone) {
10465 if (result == GameIsDrawn) {
10466 /* In case draw still needs to be claimed */
10467 SendToICS(ics_prefix);
10468 SendToICS("draw\n");
10469 } else if (StrCaseStr(resultDetails, "resign")) {
10470 SendToICS(ics_prefix);
10471 SendToICS("resign\n");
10475 endingGame = 0; /* [HGM] crash */
10479 /* If we're loading the game from a file, stop */
10480 if (whosays == GE_FILE) {
10481 (void) StopLoadGameTimer();
10485 /* Cancel draw offers */
10486 first.offeredDraw = second.offeredDraw = 0;
10488 /* If this is an ICS game, only ICS can really say it's done;
10489 if not, anyone can. */
10490 isIcsGame = (gameMode == IcsPlayingWhite ||
10491 gameMode == IcsPlayingBlack ||
10492 gameMode == IcsObserving ||
10493 gameMode == IcsExamining);
10495 if (!isIcsGame || whosays == GE_ICS) {
10496 /* OK -- not an ICS game, or ICS said it was done */
10498 if (!isIcsGame && !appData.noChessProgram)
10499 SetUserThinkingEnables();
10501 /* [HGM] if a machine claims the game end we verify this claim */
10502 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10503 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10505 ChessMove trueResult = (ChessMove) -1;
10507 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10508 first.twoMachinesColor[0] :
10509 second.twoMachinesColor[0] ;
10511 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10512 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10513 /* [HGM] verify: engine mate claims accepted if they were flagged */
10514 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10516 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10517 /* [HGM] verify: engine mate claims accepted if they were flagged */
10518 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10520 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10521 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10524 // now verify win claims, but not in drop games, as we don't understand those yet
10525 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10526 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10527 (result == WhiteWins && claimer == 'w' ||
10528 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10529 if (appData.debugMode) {
10530 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10531 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10533 if(result != trueResult) {
10534 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10535 result = claimer == 'w' ? BlackWins : WhiteWins;
10536 resultDetails = buf;
10539 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10540 && (forwardMostMove <= backwardMostMove ||
10541 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10542 (claimer=='b')==(forwardMostMove&1))
10544 /* [HGM] verify: draws that were not flagged are false claims */
10545 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10546 result = claimer == 'w' ? BlackWins : WhiteWins;
10547 resultDetails = buf;
10549 /* (Claiming a loss is accepted no questions asked!) */
10551 /* [HGM] bare: don't allow bare King to win */
10552 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10553 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10554 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10555 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10556 && result != GameIsDrawn)
10557 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10558 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10559 int p = (signed char)boards[forwardMostMove][i][j] - color;
10560 if(p >= 0 && p <= (int)WhiteKing) k++;
10562 if (appData.debugMode) {
10563 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10564 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10567 result = GameIsDrawn;
10568 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10569 resultDetails = buf;
10575 if(serverMoves != NULL && !loadFlag) { char c = '=';
10576 if(result==WhiteWins) c = '+';
10577 if(result==BlackWins) c = '-';
10578 if(resultDetails != NULL)
10579 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10581 if (resultDetails != NULL) {
10582 gameInfo.result = result;
10583 gameInfo.resultDetails = StrSave(resultDetails);
10585 /* display last move only if game was not loaded from file */
10586 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10587 DisplayMove(currentMove - 1);
10589 if (forwardMostMove != 0) {
10590 if (gameMode != PlayFromGameFile && gameMode != EditGame
10591 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10593 if (*appData.saveGameFile != NULLCHAR) {
10594 SaveGameToFile(appData.saveGameFile, TRUE);
10595 } else if (appData.autoSaveGames) {
10598 if (*appData.savePositionFile != NULLCHAR) {
10599 SavePositionToFile(appData.savePositionFile);
10604 /* Tell program how game ended in case it is learning */
10605 /* [HGM] Moved this to after saving the PGN, just in case */
10606 /* engine died and we got here through time loss. In that */
10607 /* case we will get a fatal error writing the pipe, which */
10608 /* would otherwise lose us the PGN. */
10609 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10610 /* output during GameEnds should never be fatal anymore */
10611 if (gameMode == MachinePlaysWhite ||
10612 gameMode == MachinePlaysBlack ||
10613 gameMode == TwoMachinesPlay ||
10614 gameMode == IcsPlayingWhite ||
10615 gameMode == IcsPlayingBlack ||
10616 gameMode == BeginningOfGame) {
10618 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10620 if (first.pr != NoProc) {
10621 SendToProgram(buf, &first);
10623 if (second.pr != NoProc &&
10624 gameMode == TwoMachinesPlay) {
10625 SendToProgram(buf, &second);
10630 if (appData.icsActive) {
10631 if (appData.quietPlay &&
10632 (gameMode == IcsPlayingWhite ||
10633 gameMode == IcsPlayingBlack)) {
10634 SendToICS(ics_prefix);
10635 SendToICS("set shout 1\n");
10637 nextGameMode = IcsIdle;
10638 ics_user_moved = FALSE;
10639 /* clean up premove. It's ugly when the game has ended and the
10640 * premove highlights are still on the board.
10643 gotPremove = FALSE;
10644 ClearPremoveHighlights();
10645 DrawPosition(FALSE, boards[currentMove]);
10647 if (whosays == GE_ICS) {
10650 if (gameMode == IcsPlayingWhite)
10652 else if(gameMode == IcsPlayingBlack)
10653 PlayIcsLossSound();
10656 if (gameMode == IcsPlayingBlack)
10658 else if(gameMode == IcsPlayingWhite)
10659 PlayIcsLossSound();
10662 PlayIcsDrawSound();
10665 PlayIcsUnfinishedSound();
10668 } else if (gameMode == EditGame ||
10669 gameMode == PlayFromGameFile ||
10670 gameMode == AnalyzeMode ||
10671 gameMode == AnalyzeFile) {
10672 nextGameMode = gameMode;
10674 nextGameMode = EndOfGame;
10679 nextGameMode = gameMode;
10682 if (appData.noChessProgram) {
10683 gameMode = nextGameMode;
10685 endingGame = 0; /* [HGM] crash */
10690 /* Put first chess program into idle state */
10691 if (first.pr != NoProc &&
10692 (gameMode == MachinePlaysWhite ||
10693 gameMode == MachinePlaysBlack ||
10694 gameMode == TwoMachinesPlay ||
10695 gameMode == IcsPlayingWhite ||
10696 gameMode == IcsPlayingBlack ||
10697 gameMode == BeginningOfGame)) {
10698 SendToProgram("force\n", &first);
10699 if (first.usePing) {
10701 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10702 SendToProgram(buf, &first);
10705 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10706 /* Kill off first chess program */
10707 if (first.isr != NULL)
10708 RemoveInputSource(first.isr);
10711 if (first.pr != NoProc) {
10713 DoSleep( appData.delayBeforeQuit );
10714 SendToProgram("quit\n", &first);
10715 DoSleep( appData.delayAfterQuit );
10716 DestroyChildProcess(first.pr, first.useSigterm);
10720 if (second.reuse) {
10721 /* Put second chess program into idle state */
10722 if (second.pr != NoProc &&
10723 gameMode == TwoMachinesPlay) {
10724 SendToProgram("force\n", &second);
10725 if (second.usePing) {
10727 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10728 SendToProgram(buf, &second);
10731 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10732 /* Kill off second chess program */
10733 if (second.isr != NULL)
10734 RemoveInputSource(second.isr);
10737 if (second.pr != NoProc) {
10738 DoSleep( appData.delayBeforeQuit );
10739 SendToProgram("quit\n", &second);
10740 DoSleep( appData.delayAfterQuit );
10741 DestroyChildProcess(second.pr, second.useSigterm);
10743 second.pr = NoProc;
10746 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10747 char resChar = '=';
10751 if (first.twoMachinesColor[0] == 'w') {
10754 second.matchWins++;
10759 if (first.twoMachinesColor[0] == 'b') {
10762 second.matchWins++;
10765 case GameUnfinished:
10771 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10772 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10773 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10774 ReserveGame(nextGame, resChar); // sets nextGame
10775 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10776 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10777 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10779 if (nextGame <= appData.matchGames && !abortMatch) {
10780 gameMode = nextGameMode;
10781 matchGame = nextGame; // this will be overruled in tourney mode!
10782 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10783 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10784 endingGame = 0; /* [HGM] crash */
10787 gameMode = nextGameMode;
10788 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10789 first.tidy, second.tidy,
10790 first.matchWins, second.matchWins,
10791 appData.matchGames - (first.matchWins + second.matchWins));
10792 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10793 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10794 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10795 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10796 first.twoMachinesColor = "black\n";
10797 second.twoMachinesColor = "white\n";
10799 first.twoMachinesColor = "white\n";
10800 second.twoMachinesColor = "black\n";
10804 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10805 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10807 gameMode = nextGameMode;
10809 endingGame = 0; /* [HGM] crash */
10810 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10811 if(matchMode == TRUE) { // match through command line: exit with or without popup
10813 ToNrEvent(forwardMostMove);
10814 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10816 } else DisplayFatalError(buf, 0, 0);
10817 } else { // match through menu; just stop, with or without popup
10818 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10821 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10822 } else DisplayNote(buf);
10824 if(ranking) free(ranking);
10828 /* Assumes program was just initialized (initString sent).
10829 Leaves program in force mode. */
10831 FeedMovesToProgram (ChessProgramState *cps, int upto)
10835 if (appData.debugMode)
10836 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10837 startedFromSetupPosition ? "position and " : "",
10838 backwardMostMove, upto, cps->which);
10839 if(currentlyInitializedVariant != gameInfo.variant) {
10841 // [HGM] variantswitch: make engine aware of new variant
10842 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10843 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10844 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10845 SendToProgram(buf, cps);
10846 currentlyInitializedVariant = gameInfo.variant;
10848 SendToProgram("force\n", cps);
10849 if (startedFromSetupPosition) {
10850 SendBoard(cps, backwardMostMove);
10851 if (appData.debugMode) {
10852 fprintf(debugFP, "feedMoves\n");
10855 for (i = backwardMostMove; i < upto; i++) {
10856 SendMoveToProgram(i, cps);
10862 ResurrectChessProgram ()
10864 /* The chess program may have exited.
10865 If so, restart it and feed it all the moves made so far. */
10866 static int doInit = 0;
10868 if (appData.noChessProgram) return 1;
10870 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10871 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10872 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10873 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10875 if (first.pr != NoProc) return 1;
10876 StartChessProgram(&first);
10878 InitChessProgram(&first, FALSE);
10879 FeedMovesToProgram(&first, currentMove);
10881 if (!first.sendTime) {
10882 /* can't tell gnuchess what its clock should read,
10883 so we bow to its notion. */
10885 timeRemaining[0][currentMove] = whiteTimeRemaining;
10886 timeRemaining[1][currentMove] = blackTimeRemaining;
10889 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10890 appData.icsEngineAnalyze) && first.analysisSupport) {
10891 SendToProgram("analyze\n", &first);
10892 first.analyzing = TRUE;
10898 * Button procedures
10901 Reset (int redraw, int init)
10905 if (appData.debugMode) {
10906 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10907 redraw, init, gameMode);
10909 CleanupTail(); // [HGM] vari: delete any stored variations
10910 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10911 pausing = pauseExamInvalid = FALSE;
10912 startedFromSetupPosition = blackPlaysFirst = FALSE;
10914 whiteFlag = blackFlag = FALSE;
10915 userOfferedDraw = FALSE;
10916 hintRequested = bookRequested = FALSE;
10917 first.maybeThinking = FALSE;
10918 second.maybeThinking = FALSE;
10919 first.bookSuspend = FALSE; // [HGM] book
10920 second.bookSuspend = FALSE;
10921 thinkOutput[0] = NULLCHAR;
10922 lastHint[0] = NULLCHAR;
10923 ClearGameInfo(&gameInfo);
10924 gameInfo.variant = StringToVariant(appData.variant);
10925 ics_user_moved = ics_clock_paused = FALSE;
10926 ics_getting_history = H_FALSE;
10928 white_holding[0] = black_holding[0] = NULLCHAR;
10929 ClearProgramStats();
10930 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10934 flipView = appData.flipView;
10935 ClearPremoveHighlights();
10936 gotPremove = FALSE;
10937 alarmSounded = FALSE;
10939 GameEnds(EndOfFile, NULL, GE_PLAYER);
10940 if(appData.serverMovesName != NULL) {
10941 /* [HGM] prepare to make moves file for broadcasting */
10942 clock_t t = clock();
10943 if(serverMoves != NULL) fclose(serverMoves);
10944 serverMoves = fopen(appData.serverMovesName, "r");
10945 if(serverMoves != NULL) {
10946 fclose(serverMoves);
10947 /* delay 15 sec before overwriting, so all clients can see end */
10948 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10950 serverMoves = fopen(appData.serverMovesName, "w");
10954 gameMode = BeginningOfGame;
10956 if(appData.icsActive) gameInfo.variant = VariantNormal;
10957 currentMove = forwardMostMove = backwardMostMove = 0;
10958 MarkTargetSquares(1);
10959 InitPosition(redraw);
10960 for (i = 0; i < MAX_MOVES; i++) {
10961 if (commentList[i] != NULL) {
10962 free(commentList[i]);
10963 commentList[i] = NULL;
10967 timeRemaining[0][0] = whiteTimeRemaining;
10968 timeRemaining[1][0] = blackTimeRemaining;
10970 if (first.pr == NoProc) {
10971 StartChessProgram(&first);
10974 InitChessProgram(&first, startedFromSetupPosition);
10977 DisplayMessage("", "");
10978 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10979 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10980 ClearMap(); // [HGM] exclude: invalidate map
10984 AutoPlayGameLoop ()
10987 if (!AutoPlayOneMove())
10989 if (matchMode || appData.timeDelay == 0)
10991 if (appData.timeDelay < 0)
10993 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11002 int fromX, fromY, toX, toY;
11004 if (appData.debugMode) {
11005 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11008 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11011 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11012 pvInfoList[currentMove].depth = programStats.depth;
11013 pvInfoList[currentMove].score = programStats.score;
11014 pvInfoList[currentMove].time = 0;
11015 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11018 if (currentMove >= forwardMostMove) {
11019 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
11020 // gameMode = EndOfGame;
11021 // ModeHighlight();
11023 /* [AS] Clear current move marker at the end of a game */
11024 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11029 toX = moveList[currentMove][2] - AAA;
11030 toY = moveList[currentMove][3] - ONE;
11032 if (moveList[currentMove][1] == '@') {
11033 if (appData.highlightLastMove) {
11034 SetHighlights(-1, -1, toX, toY);
11037 fromX = moveList[currentMove][0] - AAA;
11038 fromY = moveList[currentMove][1] - ONE;
11040 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11042 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11044 if (appData.highlightLastMove) {
11045 SetHighlights(fromX, fromY, toX, toY);
11048 DisplayMove(currentMove);
11049 SendMoveToProgram(currentMove++, &first);
11050 DisplayBothClocks();
11051 DrawPosition(FALSE, boards[currentMove]);
11052 // [HGM] PV info: always display, routine tests if empty
11053 DisplayComment(currentMove - 1, commentList[currentMove]);
11059 LoadGameOneMove (ChessMove readAhead)
11061 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11062 char promoChar = NULLCHAR;
11063 ChessMove moveType;
11064 char move[MSG_SIZ];
11067 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11068 gameMode != AnalyzeMode && gameMode != Training) {
11073 yyboardindex = forwardMostMove;
11074 if (readAhead != EndOfFile) {
11075 moveType = readAhead;
11077 if (gameFileFP == NULL)
11079 moveType = (ChessMove) Myylex();
11083 switch (moveType) {
11085 if (appData.debugMode)
11086 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11089 /* append the comment but don't display it */
11090 AppendComment(currentMove, p, FALSE);
11093 case WhiteCapturesEnPassant:
11094 case BlackCapturesEnPassant:
11095 case WhitePromotion:
11096 case BlackPromotion:
11097 case WhiteNonPromotion:
11098 case BlackNonPromotion:
11100 case WhiteKingSideCastle:
11101 case WhiteQueenSideCastle:
11102 case BlackKingSideCastle:
11103 case BlackQueenSideCastle:
11104 case WhiteKingSideCastleWild:
11105 case WhiteQueenSideCastleWild:
11106 case BlackKingSideCastleWild:
11107 case BlackQueenSideCastleWild:
11109 case WhiteHSideCastleFR:
11110 case WhiteASideCastleFR:
11111 case BlackHSideCastleFR:
11112 case BlackASideCastleFR:
11114 if (appData.debugMode)
11115 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11116 fromX = currentMoveString[0] - AAA;
11117 fromY = currentMoveString[1] - ONE;
11118 toX = currentMoveString[2] - AAA;
11119 toY = currentMoveString[3] - ONE;
11120 promoChar = currentMoveString[4];
11125 if (appData.debugMode)
11126 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11127 fromX = moveType == WhiteDrop ?
11128 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11129 (int) CharToPiece(ToLower(currentMoveString[0]));
11131 toX = currentMoveString[2] - AAA;
11132 toY = currentMoveString[3] - ONE;
11138 case GameUnfinished:
11139 if (appData.debugMode)
11140 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11141 p = strchr(yy_text, '{');
11142 if (p == NULL) p = strchr(yy_text, '(');
11145 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11147 q = strchr(p, *p == '{' ? '}' : ')');
11148 if (q != NULL) *q = NULLCHAR;
11151 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11152 GameEnds(moveType, p, GE_FILE);
11154 if (cmailMsgLoaded) {
11156 flipView = WhiteOnMove(currentMove);
11157 if (moveType == GameUnfinished) flipView = !flipView;
11158 if (appData.debugMode)
11159 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11164 if (appData.debugMode)
11165 fprintf(debugFP, "Parser hit end of file\n");
11166 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11172 if (WhiteOnMove(currentMove)) {
11173 GameEnds(BlackWins, "Black mates", GE_FILE);
11175 GameEnds(WhiteWins, "White mates", GE_FILE);
11179 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11185 case MoveNumberOne:
11186 if (lastLoadGameStart == GNUChessGame) {
11187 /* GNUChessGames have numbers, but they aren't move numbers */
11188 if (appData.debugMode)
11189 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11190 yy_text, (int) moveType);
11191 return LoadGameOneMove(EndOfFile); /* tail recursion */
11193 /* else fall thru */
11198 /* Reached start of next game in file */
11199 if (appData.debugMode)
11200 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11201 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11207 if (WhiteOnMove(currentMove)) {
11208 GameEnds(BlackWins, "Black mates", GE_FILE);
11210 GameEnds(WhiteWins, "White mates", GE_FILE);
11214 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11220 case PositionDiagram: /* should not happen; ignore */
11221 case ElapsedTime: /* ignore */
11222 case NAG: /* ignore */
11223 if (appData.debugMode)
11224 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11225 yy_text, (int) moveType);
11226 return LoadGameOneMove(EndOfFile); /* tail recursion */
11229 if (appData.testLegality) {
11230 if (appData.debugMode)
11231 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11232 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11233 (forwardMostMove / 2) + 1,
11234 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11235 DisplayError(move, 0);
11238 if (appData.debugMode)
11239 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11240 yy_text, currentMoveString);
11241 fromX = currentMoveString[0] - AAA;
11242 fromY = currentMoveString[1] - ONE;
11243 toX = currentMoveString[2] - AAA;
11244 toY = currentMoveString[3] - ONE;
11245 promoChar = currentMoveString[4];
11249 case AmbiguousMove:
11250 if (appData.debugMode)
11251 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11252 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11253 (forwardMostMove / 2) + 1,
11254 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11255 DisplayError(move, 0);
11260 case ImpossibleMove:
11261 if (appData.debugMode)
11262 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11263 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11264 (forwardMostMove / 2) + 1,
11265 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11266 DisplayError(move, 0);
11272 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11273 DrawPosition(FALSE, boards[currentMove]);
11274 DisplayBothClocks();
11275 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11276 DisplayComment(currentMove - 1, commentList[currentMove]);
11278 (void) StopLoadGameTimer();
11280 cmailOldMove = forwardMostMove;
11283 /* currentMoveString is set as a side-effect of yylex */
11285 thinkOutput[0] = NULLCHAR;
11286 MakeMove(fromX, fromY, toX, toY, promoChar);
11287 currentMove = forwardMostMove;
11292 /* Load the nth game from the given file */
11294 LoadGameFromFile (char *filename, int n, char *title, int useList)
11299 if (strcmp(filename, "-") == 0) {
11303 f = fopen(filename, "rb");
11305 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11306 DisplayError(buf, errno);
11310 if (fseek(f, 0, 0) == -1) {
11311 /* f is not seekable; probably a pipe */
11314 if (useList && n == 0) {
11315 int error = GameListBuild(f);
11317 DisplayError(_("Cannot build game list"), error);
11318 } else if (!ListEmpty(&gameList) &&
11319 ((ListGame *) gameList.tailPred)->number > 1) {
11320 GameListPopUp(f, title);
11327 return LoadGame(f, n, title, FALSE);
11332 MakeRegisteredMove ()
11334 int fromX, fromY, toX, toY;
11336 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11337 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11340 if (appData.debugMode)
11341 fprintf(debugFP, "Restoring %s for game %d\n",
11342 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11344 thinkOutput[0] = NULLCHAR;
11345 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11346 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11347 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11348 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11349 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11350 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11351 MakeMove(fromX, fromY, toX, toY, promoChar);
11352 ShowMove(fromX, fromY, toX, toY);
11354 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11361 if (WhiteOnMove(currentMove)) {
11362 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11364 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11369 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11376 if (WhiteOnMove(currentMove)) {
11377 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11379 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11384 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11395 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11397 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11401 if (gameNumber > nCmailGames) {
11402 DisplayError(_("No more games in this message"), 0);
11405 if (f == lastLoadGameFP) {
11406 int offset = gameNumber - lastLoadGameNumber;
11408 cmailMsg[0] = NULLCHAR;
11409 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11410 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11411 nCmailMovesRegistered--;
11413 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11414 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11415 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11418 if (! RegisterMove()) return FALSE;
11422 retVal = LoadGame(f, gameNumber, title, useList);
11424 /* Make move registered during previous look at this game, if any */
11425 MakeRegisteredMove();
11427 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11428 commentList[currentMove]
11429 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11430 DisplayComment(currentMove - 1, commentList[currentMove]);
11436 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11438 ReloadGame (int offset)
11440 int gameNumber = lastLoadGameNumber + offset;
11441 if (lastLoadGameFP == NULL) {
11442 DisplayError(_("No game has been loaded yet"), 0);
11445 if (gameNumber <= 0) {
11446 DisplayError(_("Can't back up any further"), 0);
11449 if (cmailMsgLoaded) {
11450 return CmailLoadGame(lastLoadGameFP, gameNumber,
11451 lastLoadGameTitle, lastLoadGameUseList);
11453 return LoadGame(lastLoadGameFP, gameNumber,
11454 lastLoadGameTitle, lastLoadGameUseList);
11458 int keys[EmptySquare+1];
11461 PositionMatches (Board b1, Board b2)
11464 switch(appData.searchMode) {
11465 case 1: return CompareWithRights(b1, b2);
11467 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11468 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11472 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11473 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11474 sum += keys[b1[r][f]] - keys[b2[r][f]];
11478 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11479 sum += keys[b1[r][f]] - keys[b2[r][f]];
11491 int pieceList[256], quickBoard[256];
11492 ChessSquare pieceType[256] = { EmptySquare };
11493 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11494 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11495 int soughtTotal, turn;
11496 Boolean epOK, flipSearch;
11499 unsigned char piece, to;
11502 #define DSIZE (250000)
11504 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11505 Move *moveDatabase = initialSpace;
11506 unsigned int movePtr, dataSize = DSIZE;
11509 MakePieceList (Board board, int *counts)
11511 int r, f, n=Q_PROMO, total=0;
11512 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11513 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11514 int sq = f + (r<<4);
11515 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11516 quickBoard[sq] = ++n;
11518 pieceType[n] = board[r][f];
11519 counts[board[r][f]]++;
11520 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11521 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11525 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11530 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11532 int sq = fromX + (fromY<<4);
11533 int piece = quickBoard[sq];
11534 quickBoard[sq] = 0;
11535 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11536 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11537 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11538 moveDatabase[movePtr++].piece = Q_WCASTL;
11539 quickBoard[sq] = piece;
11540 piece = quickBoard[from]; quickBoard[from] = 0;
11541 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11543 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11544 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11545 moveDatabase[movePtr++].piece = Q_BCASTL;
11546 quickBoard[sq] = piece;
11547 piece = quickBoard[from]; quickBoard[from] = 0;
11548 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11550 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11551 quickBoard[(fromY<<4)+toX] = 0;
11552 moveDatabase[movePtr].piece = Q_EP;
11553 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11554 moveDatabase[movePtr].to = sq;
11556 if(promoPiece != pieceType[piece]) {
11557 moveDatabase[movePtr++].piece = Q_PROMO;
11558 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11560 moveDatabase[movePtr].piece = piece;
11561 quickBoard[sq] = piece;
11566 PackGame (Board board)
11568 Move *newSpace = NULL;
11569 moveDatabase[movePtr].piece = 0; // terminate previous game
11570 if(movePtr > dataSize) {
11571 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11572 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11573 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11576 Move *p = moveDatabase, *q = newSpace;
11577 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11578 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11579 moveDatabase = newSpace;
11580 } else { // calloc failed, we must be out of memory. Too bad...
11581 dataSize = 0; // prevent calloc events for all subsequent games
11582 return 0; // and signal this one isn't cached
11586 MakePieceList(board, counts);
11591 QuickCompare (Board board, int *minCounts, int *maxCounts)
11592 { // compare according to search mode
11594 switch(appData.searchMode)
11596 case 1: // exact position match
11597 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11598 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11599 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11602 case 2: // can have extra material on empty squares
11603 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11604 if(board[r][f] == EmptySquare) continue;
11605 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11608 case 3: // material with exact Pawn structure
11609 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11610 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11611 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11612 } // fall through to material comparison
11613 case 4: // exact material
11614 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11616 case 6: // material range with given imbalance
11617 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11618 // fall through to range comparison
11619 case 5: // material range
11620 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11626 QuickScan (Board board, Move *move)
11627 { // reconstruct game,and compare all positions in it
11628 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11630 int piece = move->piece;
11631 int to = move->to, from = pieceList[piece];
11632 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11633 if(!piece) return -1;
11634 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11635 piece = (++move)->piece;
11636 from = pieceList[piece];
11637 counts[pieceType[piece]]--;
11638 pieceType[piece] = (ChessSquare) move->to;
11639 counts[move->to]++;
11640 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11641 counts[pieceType[quickBoard[to]]]--;
11642 quickBoard[to] = 0; total--;
11645 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11646 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11647 from = pieceList[piece]; // so this must be King
11648 quickBoard[from] = 0;
11649 pieceList[piece] = to;
11650 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11651 quickBoard[from] = 0; // rook
11652 quickBoard[to] = piece;
11653 to = move->to; piece = move->piece;
11657 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11658 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11659 quickBoard[from] = 0;
11661 quickBoard[to] = piece;
11662 pieceList[piece] = to;
11664 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11665 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11666 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11667 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11669 static int lastCounts[EmptySquare+1];
11671 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11672 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11673 } else stretch = 0;
11674 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11683 flipSearch = FALSE;
11684 CopyBoard(soughtBoard, boards[currentMove]);
11685 soughtTotal = MakePieceList(soughtBoard, maxSought);
11686 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11687 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11688 CopyBoard(reverseBoard, boards[currentMove]);
11689 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11690 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11691 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11692 reverseBoard[r][f] = piece;
11694 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11695 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11696 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11697 || (boards[currentMove][CASTLING][2] == NoRights ||
11698 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11699 && (boards[currentMove][CASTLING][5] == NoRights ||
11700 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11703 CopyBoard(flipBoard, soughtBoard);
11704 CopyBoard(rotateBoard, reverseBoard);
11705 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11706 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11707 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11710 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11711 if(appData.searchMode >= 5) {
11712 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11713 MakePieceList(soughtBoard, minSought);
11714 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11716 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11717 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11720 GameInfo dummyInfo;
11723 GameContainsPosition (FILE *f, ListGame *lg)
11725 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11726 int fromX, fromY, toX, toY;
11728 static int initDone=FALSE;
11730 // weed out games based on numerical tag comparison
11731 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11732 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11733 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11734 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11736 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11739 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11740 else CopyBoard(boards[scratch], initialPosition); // default start position
11743 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11744 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11747 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11748 fseek(f, lg->offset, 0);
11751 yyboardindex = scratch;
11752 quickFlag = plyNr+1;
11757 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11763 if(plyNr) return -1; // after we have seen moves, this is for new game
11766 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11767 case ImpossibleMove:
11768 case WhiteWins: // game ends here with these four
11771 case GameUnfinished:
11775 if(appData.testLegality) return -1;
11776 case WhiteCapturesEnPassant:
11777 case BlackCapturesEnPassant:
11778 case WhitePromotion:
11779 case BlackPromotion:
11780 case WhiteNonPromotion:
11781 case BlackNonPromotion:
11783 case WhiteKingSideCastle:
11784 case WhiteQueenSideCastle:
11785 case BlackKingSideCastle:
11786 case BlackQueenSideCastle:
11787 case WhiteKingSideCastleWild:
11788 case WhiteQueenSideCastleWild:
11789 case BlackKingSideCastleWild:
11790 case BlackQueenSideCastleWild:
11791 case WhiteHSideCastleFR:
11792 case WhiteASideCastleFR:
11793 case BlackHSideCastleFR:
11794 case BlackASideCastleFR:
11795 fromX = currentMoveString[0] - AAA;
11796 fromY = currentMoveString[1] - ONE;
11797 toX = currentMoveString[2] - AAA;
11798 toY = currentMoveString[3] - ONE;
11799 promoChar = currentMoveString[4];
11803 fromX = next == WhiteDrop ?
11804 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11805 (int) CharToPiece(ToLower(currentMoveString[0]));
11807 toX = currentMoveString[2] - AAA;
11808 toY = currentMoveString[3] - ONE;
11812 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11814 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11815 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11816 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11817 if(appData.findMirror) {
11818 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11819 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11824 /* Load the nth game from open file f */
11826 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11830 int gn = gameNumber;
11831 ListGame *lg = NULL;
11832 int numPGNTags = 0;
11834 GameMode oldGameMode;
11835 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11837 if (appData.debugMode)
11838 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11840 if (gameMode == Training )
11841 SetTrainingModeOff();
11843 oldGameMode = gameMode;
11844 if (gameMode != BeginningOfGame) {
11845 Reset(FALSE, TRUE);
11849 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11850 fclose(lastLoadGameFP);
11854 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11857 fseek(f, lg->offset, 0);
11858 GameListHighlight(gameNumber);
11859 pos = lg->position;
11863 DisplayError(_("Game number out of range"), 0);
11868 if (fseek(f, 0, 0) == -1) {
11869 if (f == lastLoadGameFP ?
11870 gameNumber == lastLoadGameNumber + 1 :
11874 DisplayError(_("Can't seek on game file"), 0);
11879 lastLoadGameFP = f;
11880 lastLoadGameNumber = gameNumber;
11881 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11882 lastLoadGameUseList = useList;
11886 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11887 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11888 lg->gameInfo.black);
11890 } else if (*title != NULLCHAR) {
11891 if (gameNumber > 1) {
11892 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11895 DisplayTitle(title);
11899 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11900 gameMode = PlayFromGameFile;
11904 currentMove = forwardMostMove = backwardMostMove = 0;
11905 CopyBoard(boards[0], initialPosition);
11909 * Skip the first gn-1 games in the file.
11910 * Also skip over anything that precedes an identifiable
11911 * start of game marker, to avoid being confused by
11912 * garbage at the start of the file. Currently
11913 * recognized start of game markers are the move number "1",
11914 * the pattern "gnuchess .* game", the pattern
11915 * "^[#;%] [^ ]* game file", and a PGN tag block.
11916 * A game that starts with one of the latter two patterns
11917 * will also have a move number 1, possibly
11918 * following a position diagram.
11919 * 5-4-02: Let's try being more lenient and allowing a game to
11920 * start with an unnumbered move. Does that break anything?
11922 cm = lastLoadGameStart = EndOfFile;
11924 yyboardindex = forwardMostMove;
11925 cm = (ChessMove) Myylex();
11928 if (cmailMsgLoaded) {
11929 nCmailGames = CMAIL_MAX_GAMES - gn;
11932 DisplayError(_("Game not found in file"), 0);
11939 lastLoadGameStart = cm;
11942 case MoveNumberOne:
11943 switch (lastLoadGameStart) {
11948 case MoveNumberOne:
11950 gn--; /* count this game */
11951 lastLoadGameStart = cm;
11960 switch (lastLoadGameStart) {
11963 case MoveNumberOne:
11965 gn--; /* count this game */
11966 lastLoadGameStart = cm;
11969 lastLoadGameStart = cm; /* game counted already */
11977 yyboardindex = forwardMostMove;
11978 cm = (ChessMove) Myylex();
11979 } while (cm == PGNTag || cm == Comment);
11986 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11987 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11988 != CMAIL_OLD_RESULT) {
11990 cmailResult[ CMAIL_MAX_GAMES
11991 - gn - 1] = CMAIL_OLD_RESULT;
11997 /* Only a NormalMove can be at the start of a game
11998 * without a position diagram. */
11999 if (lastLoadGameStart == EndOfFile ) {
12001 lastLoadGameStart = MoveNumberOne;
12010 if (appData.debugMode)
12011 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12013 if (cm == XBoardGame) {
12014 /* Skip any header junk before position diagram and/or move 1 */
12016 yyboardindex = forwardMostMove;
12017 cm = (ChessMove) Myylex();
12019 if (cm == EndOfFile ||
12020 cm == GNUChessGame || cm == XBoardGame) {
12021 /* Empty game; pretend end-of-file and handle later */
12026 if (cm == MoveNumberOne || cm == PositionDiagram ||
12027 cm == PGNTag || cm == Comment)
12030 } else if (cm == GNUChessGame) {
12031 if (gameInfo.event != NULL) {
12032 free(gameInfo.event);
12034 gameInfo.event = StrSave(yy_text);
12037 startedFromSetupPosition = FALSE;
12038 while (cm == PGNTag) {
12039 if (appData.debugMode)
12040 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12041 err = ParsePGNTag(yy_text, &gameInfo);
12042 if (!err) numPGNTags++;
12044 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12045 if(gameInfo.variant != oldVariant) {
12046 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12047 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12048 InitPosition(TRUE);
12049 oldVariant = gameInfo.variant;
12050 if (appData.debugMode)
12051 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12055 if (gameInfo.fen != NULL) {
12056 Board initial_position;
12057 startedFromSetupPosition = TRUE;
12058 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12060 DisplayError(_("Bad FEN position in file"), 0);
12063 CopyBoard(boards[0], initial_position);
12064 if (blackPlaysFirst) {
12065 currentMove = forwardMostMove = backwardMostMove = 1;
12066 CopyBoard(boards[1], initial_position);
12067 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12068 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12069 timeRemaining[0][1] = whiteTimeRemaining;
12070 timeRemaining[1][1] = blackTimeRemaining;
12071 if (commentList[0] != NULL) {
12072 commentList[1] = commentList[0];
12073 commentList[0] = NULL;
12076 currentMove = forwardMostMove = backwardMostMove = 0;
12078 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12080 initialRulePlies = FENrulePlies;
12081 for( i=0; i< nrCastlingRights; i++ )
12082 initialRights[i] = initial_position[CASTLING][i];
12084 yyboardindex = forwardMostMove;
12085 free(gameInfo.fen);
12086 gameInfo.fen = NULL;
12089 yyboardindex = forwardMostMove;
12090 cm = (ChessMove) Myylex();
12092 /* Handle comments interspersed among the tags */
12093 while (cm == Comment) {
12095 if (appData.debugMode)
12096 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12098 AppendComment(currentMove, p, FALSE);
12099 yyboardindex = forwardMostMove;
12100 cm = (ChessMove) Myylex();
12104 /* don't rely on existence of Event tag since if game was
12105 * pasted from clipboard the Event tag may not exist
12107 if (numPGNTags > 0){
12109 if (gameInfo.variant == VariantNormal) {
12110 VariantClass v = StringToVariant(gameInfo.event);
12111 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12112 if(v < VariantShogi) gameInfo.variant = v;
12115 if( appData.autoDisplayTags ) {
12116 tags = PGNTags(&gameInfo);
12117 TagsPopUp(tags, CmailMsg());
12122 /* Make something up, but don't display it now */
12127 if (cm == PositionDiagram) {
12130 Board initial_position;
12132 if (appData.debugMode)
12133 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12135 if (!startedFromSetupPosition) {
12137 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12138 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12149 initial_position[i][j++] = CharToPiece(*p);
12152 while (*p == ' ' || *p == '\t' ||
12153 *p == '\n' || *p == '\r') p++;
12155 if (strncmp(p, "black", strlen("black"))==0)
12156 blackPlaysFirst = TRUE;
12158 blackPlaysFirst = FALSE;
12159 startedFromSetupPosition = TRUE;
12161 CopyBoard(boards[0], initial_position);
12162 if (blackPlaysFirst) {
12163 currentMove = forwardMostMove = backwardMostMove = 1;
12164 CopyBoard(boards[1], initial_position);
12165 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12166 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12167 timeRemaining[0][1] = whiteTimeRemaining;
12168 timeRemaining[1][1] = blackTimeRemaining;
12169 if (commentList[0] != NULL) {
12170 commentList[1] = commentList[0];
12171 commentList[0] = NULL;
12174 currentMove = forwardMostMove = backwardMostMove = 0;
12177 yyboardindex = forwardMostMove;
12178 cm = (ChessMove) Myylex();
12181 if (first.pr == NoProc) {
12182 StartChessProgram(&first);
12184 InitChessProgram(&first, FALSE);
12185 SendToProgram("force\n", &first);
12186 if (startedFromSetupPosition) {
12187 SendBoard(&first, forwardMostMove);
12188 if (appData.debugMode) {
12189 fprintf(debugFP, "Load Game\n");
12191 DisplayBothClocks();
12194 /* [HGM] server: flag to write setup moves in broadcast file as one */
12195 loadFlag = appData.suppressLoadMoves;
12197 while (cm == Comment) {
12199 if (appData.debugMode)
12200 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12202 AppendComment(currentMove, p, FALSE);
12203 yyboardindex = forwardMostMove;
12204 cm = (ChessMove) Myylex();
12207 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12208 cm == WhiteWins || cm == BlackWins ||
12209 cm == GameIsDrawn || cm == GameUnfinished) {
12210 DisplayMessage("", _("No moves in game"));
12211 if (cmailMsgLoaded) {
12212 if (appData.debugMode)
12213 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12217 DrawPosition(FALSE, boards[currentMove]);
12218 DisplayBothClocks();
12219 gameMode = EditGame;
12226 // [HGM] PV info: routine tests if comment empty
12227 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12228 DisplayComment(currentMove - 1, commentList[currentMove]);
12230 if (!matchMode && appData.timeDelay != 0)
12231 DrawPosition(FALSE, boards[currentMove]);
12233 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12234 programStats.ok_to_send = 1;
12237 /* if the first token after the PGN tags is a move
12238 * and not move number 1, retrieve it from the parser
12240 if (cm != MoveNumberOne)
12241 LoadGameOneMove(cm);
12243 /* load the remaining moves from the file */
12244 while (LoadGameOneMove(EndOfFile)) {
12245 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12246 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12249 /* rewind to the start of the game */
12250 currentMove = backwardMostMove;
12252 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12254 if (oldGameMode == AnalyzeFile ||
12255 oldGameMode == AnalyzeMode) {
12256 AnalyzeFileEvent();
12259 if (!matchMode && pos > 0) {
12260 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12262 if (matchMode || appData.timeDelay == 0) {
12264 } else if (appData.timeDelay > 0) {
12265 AutoPlayGameLoop();
12268 if (appData.debugMode)
12269 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12271 loadFlag = 0; /* [HGM] true game starts */
12275 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12277 ReloadPosition (int offset)
12279 int positionNumber = lastLoadPositionNumber + offset;
12280 if (lastLoadPositionFP == NULL) {
12281 DisplayError(_("No position has been loaded yet"), 0);
12284 if (positionNumber <= 0) {
12285 DisplayError(_("Can't back up any further"), 0);
12288 return LoadPosition(lastLoadPositionFP, positionNumber,
12289 lastLoadPositionTitle);
12292 /* Load the nth position from the given file */
12294 LoadPositionFromFile (char *filename, int n, char *title)
12299 if (strcmp(filename, "-") == 0) {
12300 return LoadPosition(stdin, n, "stdin");
12302 f = fopen(filename, "rb");
12304 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12305 DisplayError(buf, errno);
12308 return LoadPosition(f, n, title);
12313 /* Load the nth position from the given open file, and close it */
12315 LoadPosition (FILE *f, int positionNumber, char *title)
12317 char *p, line[MSG_SIZ];
12318 Board initial_position;
12319 int i, j, fenMode, pn;
12321 if (gameMode == Training )
12322 SetTrainingModeOff();
12324 if (gameMode != BeginningOfGame) {
12325 Reset(FALSE, TRUE);
12327 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12328 fclose(lastLoadPositionFP);
12330 if (positionNumber == 0) positionNumber = 1;
12331 lastLoadPositionFP = f;
12332 lastLoadPositionNumber = positionNumber;
12333 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12334 if (first.pr == NoProc && !appData.noChessProgram) {
12335 StartChessProgram(&first);
12336 InitChessProgram(&first, FALSE);
12338 pn = positionNumber;
12339 if (positionNumber < 0) {
12340 /* Negative position number means to seek to that byte offset */
12341 if (fseek(f, -positionNumber, 0) == -1) {
12342 DisplayError(_("Can't seek on position file"), 0);
12347 if (fseek(f, 0, 0) == -1) {
12348 if (f == lastLoadPositionFP ?
12349 positionNumber == lastLoadPositionNumber + 1 :
12350 positionNumber == 1) {
12353 DisplayError(_("Can't seek on position file"), 0);
12358 /* See if this file is FEN or old-style xboard */
12359 if (fgets(line, MSG_SIZ, f) == NULL) {
12360 DisplayError(_("Position not found in file"), 0);
12363 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12364 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12367 if (fenMode || line[0] == '#') pn--;
12369 /* skip positions before number pn */
12370 if (fgets(line, MSG_SIZ, f) == NULL) {
12372 DisplayError(_("Position not found in file"), 0);
12375 if (fenMode || line[0] == '#') pn--;
12380 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12381 DisplayError(_("Bad FEN position in file"), 0);
12385 (void) fgets(line, MSG_SIZ, f);
12386 (void) fgets(line, MSG_SIZ, f);
12388 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12389 (void) fgets(line, MSG_SIZ, f);
12390 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12393 initial_position[i][j++] = CharToPiece(*p);
12397 blackPlaysFirst = FALSE;
12399 (void) fgets(line, MSG_SIZ, f);
12400 if (strncmp(line, "black", strlen("black"))==0)
12401 blackPlaysFirst = TRUE;
12404 startedFromSetupPosition = TRUE;
12406 CopyBoard(boards[0], initial_position);
12407 if (blackPlaysFirst) {
12408 currentMove = forwardMostMove = backwardMostMove = 1;
12409 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12410 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12411 CopyBoard(boards[1], initial_position);
12412 DisplayMessage("", _("Black to play"));
12414 currentMove = forwardMostMove = backwardMostMove = 0;
12415 DisplayMessage("", _("White to play"));
12417 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12418 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12419 SendToProgram("force\n", &first);
12420 SendBoard(&first, forwardMostMove);
12422 if (appData.debugMode) {
12424 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12425 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12426 fprintf(debugFP, "Load Position\n");
12429 if (positionNumber > 1) {
12430 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12431 DisplayTitle(line);
12433 DisplayTitle(title);
12435 gameMode = EditGame;
12438 timeRemaining[0][1] = whiteTimeRemaining;
12439 timeRemaining[1][1] = blackTimeRemaining;
12440 DrawPosition(FALSE, boards[currentMove]);
12447 CopyPlayerNameIntoFileName (char **dest, char *src)
12449 while (*src != NULLCHAR && *src != ',') {
12454 *(*dest)++ = *src++;
12460 DefaultFileName (char *ext)
12462 static char def[MSG_SIZ];
12465 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12467 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12469 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12471 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12478 /* Save the current game to the given file */
12480 SaveGameToFile (char *filename, int append)
12484 int result, i, t,tot=0;
12486 if (strcmp(filename, "-") == 0) {
12487 return SaveGame(stdout, 0, NULL);
12489 for(i=0; i<10; i++) { // upto 10 tries
12490 f = fopen(filename, append ? "a" : "w");
12491 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12492 if(f || errno != 13) break;
12493 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12497 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12498 DisplayError(buf, errno);
12501 safeStrCpy(buf, lastMsg, MSG_SIZ);
12502 DisplayMessage(_("Waiting for access to save file"), "");
12503 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12504 DisplayMessage(_("Saving game"), "");
12505 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12506 result = SaveGame(f, 0, NULL);
12507 DisplayMessage(buf, "");
12514 SavePart (char *str)
12516 static char buf[MSG_SIZ];
12519 p = strchr(str, ' ');
12520 if (p == NULL) return str;
12521 strncpy(buf, str, p - str);
12522 buf[p - str] = NULLCHAR;
12526 #define PGN_MAX_LINE 75
12528 #define PGN_SIDE_WHITE 0
12529 #define PGN_SIDE_BLACK 1
12532 FindFirstMoveOutOfBook (int side)
12536 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12537 int index = backwardMostMove;
12538 int has_book_hit = 0;
12540 if( (index % 2) != side ) {
12544 while( index < forwardMostMove ) {
12545 /* Check to see if engine is in book */
12546 int depth = pvInfoList[index].depth;
12547 int score = pvInfoList[index].score;
12553 else if( score == 0 && depth == 63 ) {
12554 in_book = 1; /* Zappa */
12556 else if( score == 2 && depth == 99 ) {
12557 in_book = 1; /* Abrok */
12560 has_book_hit += in_book;
12576 GetOutOfBookInfo (char * buf)
12580 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12582 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12583 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12587 if( oob[0] >= 0 || oob[1] >= 0 ) {
12588 for( i=0; i<2; i++ ) {
12592 if( i > 0 && oob[0] >= 0 ) {
12593 strcat( buf, " " );
12596 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12597 sprintf( buf+strlen(buf), "%s%.2f",
12598 pvInfoList[idx].score >= 0 ? "+" : "",
12599 pvInfoList[idx].score / 100.0 );
12605 /* Save game in PGN style and close the file */
12607 SaveGamePGN (FILE *f)
12609 int i, offset, linelen, newblock;
12612 int movelen, numlen, blank;
12613 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12615 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12617 PrintPGNTags(f, &gameInfo);
12619 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12621 if (backwardMostMove > 0 || startedFromSetupPosition) {
12622 char *fen = PositionToFEN(backwardMostMove, NULL);
12623 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12624 fprintf(f, "\n{--------------\n");
12625 PrintPosition(f, backwardMostMove);
12626 fprintf(f, "--------------}\n");
12630 /* [AS] Out of book annotation */
12631 if( appData.saveOutOfBookInfo ) {
12634 GetOutOfBookInfo( buf );
12636 if( buf[0] != '\0' ) {
12637 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12644 i = backwardMostMove;
12648 while (i < forwardMostMove) {
12649 /* Print comments preceding this move */
12650 if (commentList[i] != NULL) {
12651 if (linelen > 0) fprintf(f, "\n");
12652 fprintf(f, "%s", commentList[i]);
12657 /* Format move number */
12659 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12662 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12664 numtext[0] = NULLCHAR;
12666 numlen = strlen(numtext);
12669 /* Print move number */
12670 blank = linelen > 0 && numlen > 0;
12671 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12680 fprintf(f, "%s", numtext);
12684 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12685 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12688 blank = linelen > 0 && movelen > 0;
12689 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12698 fprintf(f, "%s", move_buffer);
12699 linelen += movelen;
12701 /* [AS] Add PV info if present */
12702 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12703 /* [HGM] add time */
12704 char buf[MSG_SIZ]; int seconds;
12706 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12712 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12715 seconds = (seconds + 4)/10; // round to full seconds
12717 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12719 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12722 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12723 pvInfoList[i].score >= 0 ? "+" : "",
12724 pvInfoList[i].score / 100.0,
12725 pvInfoList[i].depth,
12728 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12730 /* Print score/depth */
12731 blank = linelen > 0 && movelen > 0;
12732 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12741 fprintf(f, "%s", move_buffer);
12742 linelen += movelen;
12748 /* Start a new line */
12749 if (linelen > 0) fprintf(f, "\n");
12751 /* Print comments after last move */
12752 if (commentList[i] != NULL) {
12753 fprintf(f, "%s\n", commentList[i]);
12757 if (gameInfo.resultDetails != NULL &&
12758 gameInfo.resultDetails[0] != NULLCHAR) {
12759 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12760 PGNResult(gameInfo.result));
12762 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12766 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12770 /* Save game in old style and close the file */
12772 SaveGameOldStyle (FILE *f)
12777 tm = time((time_t *) NULL);
12779 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12782 if (backwardMostMove > 0 || startedFromSetupPosition) {
12783 fprintf(f, "\n[--------------\n");
12784 PrintPosition(f, backwardMostMove);
12785 fprintf(f, "--------------]\n");
12790 i = backwardMostMove;
12791 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12793 while (i < forwardMostMove) {
12794 if (commentList[i] != NULL) {
12795 fprintf(f, "[%s]\n", commentList[i]);
12798 if ((i % 2) == 1) {
12799 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12802 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12804 if (commentList[i] != NULL) {
12808 if (i >= forwardMostMove) {
12812 fprintf(f, "%s\n", parseList[i]);
12817 if (commentList[i] != NULL) {
12818 fprintf(f, "[%s]\n", commentList[i]);
12821 /* This isn't really the old style, but it's close enough */
12822 if (gameInfo.resultDetails != NULL &&
12823 gameInfo.resultDetails[0] != NULLCHAR) {
12824 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12825 gameInfo.resultDetails);
12827 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12834 /* Save the current game to open file f and close the file */
12836 SaveGame (FILE *f, int dummy, char *dummy2)
12838 if (gameMode == EditPosition) EditPositionDone(TRUE);
12839 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12840 if (appData.oldSaveStyle)
12841 return SaveGameOldStyle(f);
12843 return SaveGamePGN(f);
12846 /* Save the current position to the given file */
12848 SavePositionToFile (char *filename)
12853 if (strcmp(filename, "-") == 0) {
12854 return SavePosition(stdout, 0, NULL);
12856 f = fopen(filename, "a");
12858 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12859 DisplayError(buf, errno);
12862 safeStrCpy(buf, lastMsg, MSG_SIZ);
12863 DisplayMessage(_("Waiting for access to save file"), "");
12864 flock(fileno(f), LOCK_EX); // [HGM] lock
12865 DisplayMessage(_("Saving position"), "");
12866 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12867 SavePosition(f, 0, NULL);
12868 DisplayMessage(buf, "");
12874 /* Save the current position to the given open file and close the file */
12876 SavePosition (FILE *f, int dummy, char *dummy2)
12881 if (gameMode == EditPosition) EditPositionDone(TRUE);
12882 if (appData.oldSaveStyle) {
12883 tm = time((time_t *) NULL);
12885 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12887 fprintf(f, "[--------------\n");
12888 PrintPosition(f, currentMove);
12889 fprintf(f, "--------------]\n");
12891 fen = PositionToFEN(currentMove, NULL);
12892 fprintf(f, "%s\n", fen);
12900 ReloadCmailMsgEvent (int unregister)
12903 static char *inFilename = NULL;
12904 static char *outFilename;
12906 struct stat inbuf, outbuf;
12909 /* Any registered moves are unregistered if unregister is set, */
12910 /* i.e. invoked by the signal handler */
12912 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12913 cmailMoveRegistered[i] = FALSE;
12914 if (cmailCommentList[i] != NULL) {
12915 free(cmailCommentList[i]);
12916 cmailCommentList[i] = NULL;
12919 nCmailMovesRegistered = 0;
12922 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12923 cmailResult[i] = CMAIL_NOT_RESULT;
12927 if (inFilename == NULL) {
12928 /* Because the filenames are static they only get malloced once */
12929 /* and they never get freed */
12930 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12931 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12933 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12934 sprintf(outFilename, "%s.out", appData.cmailGameName);
12937 status = stat(outFilename, &outbuf);
12939 cmailMailedMove = FALSE;
12941 status = stat(inFilename, &inbuf);
12942 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12945 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12946 counts the games, notes how each one terminated, etc.
12948 It would be nice to remove this kludge and instead gather all
12949 the information while building the game list. (And to keep it
12950 in the game list nodes instead of having a bunch of fixed-size
12951 parallel arrays.) Note this will require getting each game's
12952 termination from the PGN tags, as the game list builder does
12953 not process the game moves. --mann
12955 cmailMsgLoaded = TRUE;
12956 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12958 /* Load first game in the file or popup game menu */
12959 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12961 #endif /* !WIN32 */
12969 char string[MSG_SIZ];
12971 if ( cmailMailedMove
12972 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12973 return TRUE; /* Allow free viewing */
12976 /* Unregister move to ensure that we don't leave RegisterMove */
12977 /* with the move registered when the conditions for registering no */
12979 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12980 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12981 nCmailMovesRegistered --;
12983 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12985 free(cmailCommentList[lastLoadGameNumber - 1]);
12986 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12990 if (cmailOldMove == -1) {
12991 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12995 if (currentMove > cmailOldMove + 1) {
12996 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13000 if (currentMove < cmailOldMove) {
13001 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13005 if (forwardMostMove > currentMove) {
13006 /* Silently truncate extra moves */
13010 if ( (currentMove == cmailOldMove + 1)
13011 || ( (currentMove == cmailOldMove)
13012 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13013 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13014 if (gameInfo.result != GameUnfinished) {
13015 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13018 if (commentList[currentMove] != NULL) {
13019 cmailCommentList[lastLoadGameNumber - 1]
13020 = StrSave(commentList[currentMove]);
13022 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13024 if (appData.debugMode)
13025 fprintf(debugFP, "Saving %s for game %d\n",
13026 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13028 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13030 f = fopen(string, "w");
13031 if (appData.oldSaveStyle) {
13032 SaveGameOldStyle(f); /* also closes the file */
13034 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13035 f = fopen(string, "w");
13036 SavePosition(f, 0, NULL); /* also closes the file */
13038 fprintf(f, "{--------------\n");
13039 PrintPosition(f, currentMove);
13040 fprintf(f, "--------------}\n\n");
13042 SaveGame(f, 0, NULL); /* also closes the file*/
13045 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13046 nCmailMovesRegistered ++;
13047 } else if (nCmailGames == 1) {
13048 DisplayError(_("You have not made a move yet"), 0);
13059 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13060 FILE *commandOutput;
13061 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13062 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13068 if (! cmailMsgLoaded) {
13069 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13073 if (nCmailGames == nCmailResults) {
13074 DisplayError(_("No unfinished games"), 0);
13078 #if CMAIL_PROHIBIT_REMAIL
13079 if (cmailMailedMove) {
13080 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);
13081 DisplayError(msg, 0);
13086 if (! (cmailMailedMove || RegisterMove())) return;
13088 if ( cmailMailedMove
13089 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13090 snprintf(string, MSG_SIZ, partCommandString,
13091 appData.debugMode ? " -v" : "", appData.cmailGameName);
13092 commandOutput = popen(string, "r");
13094 if (commandOutput == NULL) {
13095 DisplayError(_("Failed to invoke cmail"), 0);
13097 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13098 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13100 if (nBuffers > 1) {
13101 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13102 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13103 nBytes = MSG_SIZ - 1;
13105 (void) memcpy(msg, buffer, nBytes);
13107 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13109 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13110 cmailMailedMove = TRUE; /* Prevent >1 moves */
13113 for (i = 0; i < nCmailGames; i ++) {
13114 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13119 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13121 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13123 appData.cmailGameName,
13125 LoadGameFromFile(buffer, 1, buffer, FALSE);
13126 cmailMsgLoaded = FALSE;
13130 DisplayInformation(msg);
13131 pclose(commandOutput);
13134 if ((*cmailMsg) != '\0') {
13135 DisplayInformation(cmailMsg);
13140 #endif /* !WIN32 */
13149 int prependComma = 0;
13151 char string[MSG_SIZ]; /* Space for game-list */
13154 if (!cmailMsgLoaded) return "";
13156 if (cmailMailedMove) {
13157 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13159 /* Create a list of games left */
13160 snprintf(string, MSG_SIZ, "[");
13161 for (i = 0; i < nCmailGames; i ++) {
13162 if (! ( cmailMoveRegistered[i]
13163 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13164 if (prependComma) {
13165 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13167 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13171 strcat(string, number);
13174 strcat(string, "]");
13176 if (nCmailMovesRegistered + nCmailResults == 0) {
13177 switch (nCmailGames) {
13179 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13183 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13187 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13192 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13194 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13199 if (nCmailResults == nCmailGames) {
13200 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13202 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13207 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13219 if (gameMode == Training)
13220 SetTrainingModeOff();
13223 cmailMsgLoaded = FALSE;
13224 if (appData.icsActive) {
13225 SendToICS(ics_prefix);
13226 SendToICS("refresh\n");
13231 ExitEvent (int status)
13235 /* Give up on clean exit */
13239 /* Keep trying for clean exit */
13243 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13245 if (telnetISR != NULL) {
13246 RemoveInputSource(telnetISR);
13248 if (icsPR != NoProc) {
13249 DestroyChildProcess(icsPR, TRUE);
13252 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13253 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13255 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13256 /* make sure this other one finishes before killing it! */
13257 if(endingGame) { int count = 0;
13258 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13259 while(endingGame && count++ < 10) DoSleep(1);
13260 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13263 /* Kill off chess programs */
13264 if (first.pr != NoProc) {
13267 DoSleep( appData.delayBeforeQuit );
13268 SendToProgram("quit\n", &first);
13269 DoSleep( appData.delayAfterQuit );
13270 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13272 if (second.pr != NoProc) {
13273 DoSleep( appData.delayBeforeQuit );
13274 SendToProgram("quit\n", &second);
13275 DoSleep( appData.delayAfterQuit );
13276 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13278 if (first.isr != NULL) {
13279 RemoveInputSource(first.isr);
13281 if (second.isr != NULL) {
13282 RemoveInputSource(second.isr);
13285 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13286 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13288 ShutDownFrontEnd();
13295 if (appData.debugMode)
13296 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13300 if (gameMode == MachinePlaysWhite ||
13301 gameMode == MachinePlaysBlack) {
13304 DisplayBothClocks();
13306 if (gameMode == PlayFromGameFile) {
13307 if (appData.timeDelay >= 0)
13308 AutoPlayGameLoop();
13309 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13310 Reset(FALSE, TRUE);
13311 SendToICS(ics_prefix);
13312 SendToICS("refresh\n");
13313 } else if (currentMove < forwardMostMove) {
13314 ForwardInner(forwardMostMove);
13316 pauseExamInvalid = FALSE;
13318 switch (gameMode) {
13322 pauseExamForwardMostMove = forwardMostMove;
13323 pauseExamInvalid = FALSE;
13326 case IcsPlayingWhite:
13327 case IcsPlayingBlack:
13331 case PlayFromGameFile:
13332 (void) StopLoadGameTimer();
13336 case BeginningOfGame:
13337 if (appData.icsActive) return;
13338 /* else fall through */
13339 case MachinePlaysWhite:
13340 case MachinePlaysBlack:
13341 case TwoMachinesPlay:
13342 if (forwardMostMove == 0)
13343 return; /* don't pause if no one has moved */
13344 if ((gameMode == MachinePlaysWhite &&
13345 !WhiteOnMove(forwardMostMove)) ||
13346 (gameMode == MachinePlaysBlack &&
13347 WhiteOnMove(forwardMostMove))) {
13358 EditCommentEvent ()
13360 char title[MSG_SIZ];
13362 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13363 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13365 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13366 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13367 parseList[currentMove - 1]);
13370 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13377 char *tags = PGNTags(&gameInfo);
13379 EditTagsPopUp(tags, NULL);
13386 if(second.analyzing) {
13387 SendToProgram("exit\n", &second);
13388 second.analyzing = FALSE;
13390 if (second.pr == NoProc) StartChessProgram(&second);
13391 InitChessProgram(&second, FALSE);
13392 FeedMovesToProgram(&second, currentMove);
13394 SendToProgram("analyze\n", &second);
13395 second.analyzing = TRUE;
13400 AnalyzeModeEvent ()
13402 if (gameMode == AnalyzeMode) { ToggleSecond(); return; }
13403 if (appData.noChessProgram || gameMode == AnalyzeMode)
13406 if (gameMode != AnalyzeFile) {
13407 if (!appData.icsEngineAnalyze) {
13409 if (gameMode != EditGame) return;
13411 ResurrectChessProgram();
13412 SendToProgram("analyze\n", &first);
13413 first.analyzing = TRUE;
13414 /*first.maybeThinking = TRUE;*/
13415 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13416 EngineOutputPopUp();
13418 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13423 StartAnalysisClock();
13424 GetTimeMark(&lastNodeCountTime);
13429 AnalyzeFileEvent ()
13431 if (appData.noChessProgram || gameMode == AnalyzeFile)
13434 if (gameMode != AnalyzeMode) {
13436 if (gameMode != EditGame) return;
13437 ResurrectChessProgram();
13438 SendToProgram("analyze\n", &first);
13439 first.analyzing = TRUE;
13440 /*first.maybeThinking = TRUE;*/
13441 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13442 EngineOutputPopUp();
13444 gameMode = AnalyzeFile;
13449 StartAnalysisClock();
13450 GetTimeMark(&lastNodeCountTime);
13452 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13456 MachineWhiteEvent ()
13459 char *bookHit = NULL;
13461 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13465 if (gameMode == PlayFromGameFile ||
13466 gameMode == TwoMachinesPlay ||
13467 gameMode == Training ||
13468 gameMode == AnalyzeMode ||
13469 gameMode == EndOfGame)
13472 if (gameMode == EditPosition)
13473 EditPositionDone(TRUE);
13475 if (!WhiteOnMove(currentMove)) {
13476 DisplayError(_("It is not White's turn"), 0);
13480 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13483 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13484 gameMode == AnalyzeFile)
13487 ResurrectChessProgram(); /* in case it isn't running */
13488 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13489 gameMode = MachinePlaysWhite;
13492 gameMode = MachinePlaysWhite;
13496 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13498 if (first.sendName) {
13499 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13500 SendToProgram(buf, &first);
13502 if (first.sendTime) {
13503 if (first.useColors) {
13504 SendToProgram("black\n", &first); /*gnu kludge*/
13506 SendTimeRemaining(&first, TRUE);
13508 if (first.useColors) {
13509 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13511 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13512 SetMachineThinkingEnables();
13513 first.maybeThinking = TRUE;
13517 if (appData.autoFlipView && !flipView) {
13518 flipView = !flipView;
13519 DrawPosition(FALSE, NULL);
13520 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13523 if(bookHit) { // [HGM] book: simulate book reply
13524 static char bookMove[MSG_SIZ]; // a bit generous?
13526 programStats.nodes = programStats.depth = programStats.time =
13527 programStats.score = programStats.got_only_move = 0;
13528 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13530 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13531 strcat(bookMove, bookHit);
13532 HandleMachineMove(bookMove, &first);
13537 MachineBlackEvent ()
13540 char *bookHit = NULL;
13542 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13546 if (gameMode == PlayFromGameFile ||
13547 gameMode == TwoMachinesPlay ||
13548 gameMode == Training ||
13549 gameMode == AnalyzeMode ||
13550 gameMode == EndOfGame)
13553 if (gameMode == EditPosition)
13554 EditPositionDone(TRUE);
13556 if (WhiteOnMove(currentMove)) {
13557 DisplayError(_("It is not Black's turn"), 0);
13561 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13564 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13565 gameMode == AnalyzeFile)
13568 ResurrectChessProgram(); /* in case it isn't running */
13569 gameMode = MachinePlaysBlack;
13573 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13575 if (first.sendName) {
13576 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13577 SendToProgram(buf, &first);
13579 if (first.sendTime) {
13580 if (first.useColors) {
13581 SendToProgram("white\n", &first); /*gnu kludge*/
13583 SendTimeRemaining(&first, FALSE);
13585 if (first.useColors) {
13586 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13588 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13589 SetMachineThinkingEnables();
13590 first.maybeThinking = TRUE;
13593 if (appData.autoFlipView && flipView) {
13594 flipView = !flipView;
13595 DrawPosition(FALSE, NULL);
13596 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13598 if(bookHit) { // [HGM] book: simulate book reply
13599 static char bookMove[MSG_SIZ]; // a bit generous?
13601 programStats.nodes = programStats.depth = programStats.time =
13602 programStats.score = programStats.got_only_move = 0;
13603 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13605 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13606 strcat(bookMove, bookHit);
13607 HandleMachineMove(bookMove, &first);
13613 DisplayTwoMachinesTitle ()
13616 if (appData.matchGames > 0) {
13617 if(appData.tourneyFile[0]) {
13618 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13619 gameInfo.white, _("vs."), gameInfo.black,
13620 nextGame+1, appData.matchGames+1,
13621 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13623 if (first.twoMachinesColor[0] == 'w') {
13624 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13625 gameInfo.white, _("vs."), gameInfo.black,
13626 first.matchWins, second.matchWins,
13627 matchGame - 1 - (first.matchWins + second.matchWins));
13629 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13630 gameInfo.white, _("vs."), gameInfo.black,
13631 second.matchWins, first.matchWins,
13632 matchGame - 1 - (first.matchWins + second.matchWins));
13635 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13641 SettingsMenuIfReady ()
13643 if (second.lastPing != second.lastPong) {
13644 DisplayMessage("", _("Waiting for second chess program"));
13645 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13649 DisplayMessage("", "");
13650 SettingsPopUp(&second);
13654 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13657 if (cps->pr == NoProc) {
13658 StartChessProgram(cps);
13659 if (cps->protocolVersion == 1) {
13662 /* kludge: allow timeout for initial "feature" command */
13664 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13665 DisplayMessage("", buf);
13666 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13674 TwoMachinesEvent P((void))
13678 ChessProgramState *onmove;
13679 char *bookHit = NULL;
13680 static int stalling = 0;
13684 if (appData.noChessProgram) return;
13686 switch (gameMode) {
13687 case TwoMachinesPlay:
13689 case MachinePlaysWhite:
13690 case MachinePlaysBlack:
13691 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13692 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13696 case BeginningOfGame:
13697 case PlayFromGameFile:
13700 if (gameMode != EditGame) return;
13703 EditPositionDone(TRUE);
13714 // forwardMostMove = currentMove;
13715 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13717 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13719 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13720 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13721 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13725 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13726 DisplayError("second engine does not play this", 0);
13731 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13732 SendToProgram("force\n", &second);
13734 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13737 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13738 if(appData.matchPause>10000 || appData.matchPause<10)
13739 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13740 wait = SubtractTimeMarks(&now, &pauseStart);
13741 if(wait < appData.matchPause) {
13742 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13745 // we are now committed to starting the game
13747 DisplayMessage("", "");
13748 if (startedFromSetupPosition) {
13749 SendBoard(&second, backwardMostMove);
13750 if (appData.debugMode) {
13751 fprintf(debugFP, "Two Machines\n");
13754 for (i = backwardMostMove; i < forwardMostMove; i++) {
13755 SendMoveToProgram(i, &second);
13758 gameMode = TwoMachinesPlay;
13760 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13762 DisplayTwoMachinesTitle();
13764 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13769 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13770 SendToProgram(first.computerString, &first);
13771 if (first.sendName) {
13772 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13773 SendToProgram(buf, &first);
13775 SendToProgram(second.computerString, &second);
13776 if (second.sendName) {
13777 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13778 SendToProgram(buf, &second);
13782 if (!first.sendTime || !second.sendTime) {
13783 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13784 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13786 if (onmove->sendTime) {
13787 if (onmove->useColors) {
13788 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13790 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13792 if (onmove->useColors) {
13793 SendToProgram(onmove->twoMachinesColor, onmove);
13795 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13796 // SendToProgram("go\n", onmove);
13797 onmove->maybeThinking = TRUE;
13798 SetMachineThinkingEnables();
13802 if(bookHit) { // [HGM] book: simulate book reply
13803 static char bookMove[MSG_SIZ]; // a bit generous?
13805 programStats.nodes = programStats.depth = programStats.time =
13806 programStats.score = programStats.got_only_move = 0;
13807 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13809 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13810 strcat(bookMove, bookHit);
13811 savedMessage = bookMove; // args for deferred call
13812 savedState = onmove;
13813 ScheduleDelayedEvent(DeferredBookMove, 1);
13820 if (gameMode == Training) {
13821 SetTrainingModeOff();
13822 gameMode = PlayFromGameFile;
13823 DisplayMessage("", _("Training mode off"));
13825 gameMode = Training;
13826 animateTraining = appData.animate;
13828 /* make sure we are not already at the end of the game */
13829 if (currentMove < forwardMostMove) {
13830 SetTrainingModeOn();
13831 DisplayMessage("", _("Training mode on"));
13833 gameMode = PlayFromGameFile;
13834 DisplayError(_("Already at end of game"), 0);
13843 if (!appData.icsActive) return;
13844 switch (gameMode) {
13845 case IcsPlayingWhite:
13846 case IcsPlayingBlack:
13849 case BeginningOfGame:
13857 EditPositionDone(TRUE);
13870 gameMode = IcsIdle;
13880 switch (gameMode) {
13882 SetTrainingModeOff();
13884 case MachinePlaysWhite:
13885 case MachinePlaysBlack:
13886 case BeginningOfGame:
13887 SendToProgram("force\n", &first);
13888 SetUserThinkingEnables();
13890 case PlayFromGameFile:
13891 (void) StopLoadGameTimer();
13892 if (gameFileFP != NULL) {
13897 EditPositionDone(TRUE);
13902 SendToProgram("force\n", &first);
13904 case TwoMachinesPlay:
13905 GameEnds(EndOfFile, NULL, GE_PLAYER);
13906 ResurrectChessProgram();
13907 SetUserThinkingEnables();
13910 ResurrectChessProgram();
13912 case IcsPlayingBlack:
13913 case IcsPlayingWhite:
13914 DisplayError(_("Warning: You are still playing a game"), 0);
13917 DisplayError(_("Warning: You are still observing a game"), 0);
13920 DisplayError(_("Warning: You are still examining a game"), 0);
13931 first.offeredDraw = second.offeredDraw = 0;
13933 if (gameMode == PlayFromGameFile) {
13934 whiteTimeRemaining = timeRemaining[0][currentMove];
13935 blackTimeRemaining = timeRemaining[1][currentMove];
13939 if (gameMode == MachinePlaysWhite ||
13940 gameMode == MachinePlaysBlack ||
13941 gameMode == TwoMachinesPlay ||
13942 gameMode == EndOfGame) {
13943 i = forwardMostMove;
13944 while (i > currentMove) {
13945 SendToProgram("undo\n", &first);
13948 if(!adjustedClock) {
13949 whiteTimeRemaining = timeRemaining[0][currentMove];
13950 blackTimeRemaining = timeRemaining[1][currentMove];
13951 DisplayBothClocks();
13953 if (whiteFlag || blackFlag) {
13954 whiteFlag = blackFlag = 0;
13959 gameMode = EditGame;
13966 EditPositionEvent ()
13968 if (gameMode == EditPosition) {
13974 if (gameMode != EditGame) return;
13976 gameMode = EditPosition;
13979 if (currentMove > 0)
13980 CopyBoard(boards[0], boards[currentMove]);
13982 blackPlaysFirst = !WhiteOnMove(currentMove);
13984 currentMove = forwardMostMove = backwardMostMove = 0;
13985 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13987 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13993 /* [DM] icsEngineAnalyze - possible call from other functions */
13994 if (appData.icsEngineAnalyze) {
13995 appData.icsEngineAnalyze = FALSE;
13997 DisplayMessage("",_("Close ICS engine analyze..."));
13999 if (first.analysisSupport && first.analyzing) {
14000 SendToProgram("exit\n", &first);
14001 first.analyzing = FALSE;
14003 if (second.analyzing) {
14004 SendToProgram("exit\n", &second);
14005 second.analyzing = FALSE;
14007 thinkOutput[0] = NULLCHAR;
14011 EditPositionDone (Boolean fakeRights)
14013 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14015 startedFromSetupPosition = TRUE;
14016 InitChessProgram(&first, FALSE);
14017 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14018 boards[0][EP_STATUS] = EP_NONE;
14019 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14020 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14021 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14022 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14023 } else boards[0][CASTLING][2] = NoRights;
14024 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14025 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14026 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14027 } else boards[0][CASTLING][5] = NoRights;
14028 if(gameInfo.variant == VariantSChess) {
14030 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14031 boards[0][VIRGIN][i] = 0;
14032 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14033 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14037 SendToProgram("force\n", &first);
14038 if (blackPlaysFirst) {
14039 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14040 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14041 currentMove = forwardMostMove = backwardMostMove = 1;
14042 CopyBoard(boards[1], boards[0]);
14044 currentMove = forwardMostMove = backwardMostMove = 0;
14046 SendBoard(&first, forwardMostMove);
14047 if (appData.debugMode) {
14048 fprintf(debugFP, "EditPosDone\n");
14051 DisplayMessage("", "");
14052 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14053 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14054 gameMode = EditGame;
14056 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14057 ClearHighlights(); /* [AS] */
14060 /* Pause for `ms' milliseconds */
14061 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14063 TimeDelay (long ms)
14070 } while (SubtractTimeMarks(&m2, &m1) < ms);
14073 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14075 SendMultiLineToICS (char *buf)
14077 char temp[MSG_SIZ+1], *p;
14084 strncpy(temp, buf, len);
14089 if (*p == '\n' || *p == '\r')
14094 strcat(temp, "\n");
14096 SendToPlayer(temp, strlen(temp));
14100 SetWhiteToPlayEvent ()
14102 if (gameMode == EditPosition) {
14103 blackPlaysFirst = FALSE;
14104 DisplayBothClocks(); /* works because currentMove is 0 */
14105 } else if (gameMode == IcsExamining) {
14106 SendToICS(ics_prefix);
14107 SendToICS("tomove white\n");
14112 SetBlackToPlayEvent ()
14114 if (gameMode == EditPosition) {
14115 blackPlaysFirst = TRUE;
14116 currentMove = 1; /* kludge */
14117 DisplayBothClocks();
14119 } else if (gameMode == IcsExamining) {
14120 SendToICS(ics_prefix);
14121 SendToICS("tomove black\n");
14126 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14129 ChessSquare piece = boards[0][y][x];
14131 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14133 switch (selection) {
14135 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14136 SendToICS(ics_prefix);
14137 SendToICS("bsetup clear\n");
14138 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14139 SendToICS(ics_prefix);
14140 SendToICS("clearboard\n");
14142 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14143 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14144 for (y = 0; y < BOARD_HEIGHT; y++) {
14145 if (gameMode == IcsExamining) {
14146 if (boards[currentMove][y][x] != EmptySquare) {
14147 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14152 boards[0][y][x] = p;
14157 if (gameMode == EditPosition) {
14158 DrawPosition(FALSE, boards[0]);
14163 SetWhiteToPlayEvent();
14167 SetBlackToPlayEvent();
14171 if (gameMode == IcsExamining) {
14172 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14173 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14176 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14177 if(x == BOARD_LEFT-2) {
14178 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14179 boards[0][y][1] = 0;
14181 if(x == BOARD_RGHT+1) {
14182 if(y >= gameInfo.holdingsSize) break;
14183 boards[0][y][BOARD_WIDTH-2] = 0;
14186 boards[0][y][x] = EmptySquare;
14187 DrawPosition(FALSE, boards[0]);
14192 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14193 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14194 selection = (ChessSquare) (PROMOTED piece);
14195 } else if(piece == EmptySquare) selection = WhiteSilver;
14196 else selection = (ChessSquare)((int)piece - 1);
14200 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14201 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14202 selection = (ChessSquare) (DEMOTED piece);
14203 } else if(piece == EmptySquare) selection = BlackSilver;
14204 else selection = (ChessSquare)((int)piece + 1);
14209 if(gameInfo.variant == VariantShatranj ||
14210 gameInfo.variant == VariantXiangqi ||
14211 gameInfo.variant == VariantCourier ||
14212 gameInfo.variant == VariantMakruk )
14213 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14218 if(gameInfo.variant == VariantXiangqi)
14219 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14220 if(gameInfo.variant == VariantKnightmate)
14221 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14224 if (gameMode == IcsExamining) {
14225 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14226 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14227 PieceToChar(selection), AAA + x, ONE + y);
14230 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14232 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14233 n = PieceToNumber(selection - BlackPawn);
14234 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14235 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14236 boards[0][BOARD_HEIGHT-1-n][1]++;
14238 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14239 n = PieceToNumber(selection);
14240 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14241 boards[0][n][BOARD_WIDTH-1] = selection;
14242 boards[0][n][BOARD_WIDTH-2]++;
14245 boards[0][y][x] = selection;
14246 DrawPosition(TRUE, boards[0]);
14248 fromX = fromY = -1;
14256 DropMenuEvent (ChessSquare selection, int x, int y)
14258 ChessMove moveType;
14260 switch (gameMode) {
14261 case IcsPlayingWhite:
14262 case MachinePlaysBlack:
14263 if (!WhiteOnMove(currentMove)) {
14264 DisplayMoveError(_("It is Black's turn"));
14267 moveType = WhiteDrop;
14269 case IcsPlayingBlack:
14270 case MachinePlaysWhite:
14271 if (WhiteOnMove(currentMove)) {
14272 DisplayMoveError(_("It is White's turn"));
14275 moveType = BlackDrop;
14278 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14284 if (moveType == BlackDrop && selection < BlackPawn) {
14285 selection = (ChessSquare) ((int) selection
14286 + (int) BlackPawn - (int) WhitePawn);
14288 if (boards[currentMove][y][x] != EmptySquare) {
14289 DisplayMoveError(_("That square is occupied"));
14293 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14299 /* Accept a pending offer of any kind from opponent */
14301 if (appData.icsActive) {
14302 SendToICS(ics_prefix);
14303 SendToICS("accept\n");
14304 } else if (cmailMsgLoaded) {
14305 if (currentMove == cmailOldMove &&
14306 commentList[cmailOldMove] != NULL &&
14307 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14308 "Black offers a draw" : "White offers a draw")) {
14310 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14311 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14313 DisplayError(_("There is no pending offer on this move"), 0);
14314 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14317 /* Not used for offers from chess program */
14324 /* Decline a pending offer of any kind from opponent */
14326 if (appData.icsActive) {
14327 SendToICS(ics_prefix);
14328 SendToICS("decline\n");
14329 } else if (cmailMsgLoaded) {
14330 if (currentMove == cmailOldMove &&
14331 commentList[cmailOldMove] != NULL &&
14332 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14333 "Black offers a draw" : "White offers a draw")) {
14335 AppendComment(cmailOldMove, "Draw declined", TRUE);
14336 DisplayComment(cmailOldMove - 1, "Draw declined");
14339 DisplayError(_("There is no pending offer on this move"), 0);
14342 /* Not used for offers from chess program */
14349 /* Issue ICS rematch command */
14350 if (appData.icsActive) {
14351 SendToICS(ics_prefix);
14352 SendToICS("rematch\n");
14359 /* Call your opponent's flag (claim a win on time) */
14360 if (appData.icsActive) {
14361 SendToICS(ics_prefix);
14362 SendToICS("flag\n");
14364 switch (gameMode) {
14367 case MachinePlaysWhite:
14370 GameEnds(GameIsDrawn, "Both players ran out of time",
14373 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14375 DisplayError(_("Your opponent is not out of time"), 0);
14378 case MachinePlaysBlack:
14381 GameEnds(GameIsDrawn, "Both players ran out of time",
14384 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14386 DisplayError(_("Your opponent is not out of time"), 0);
14394 ClockClick (int which)
14395 { // [HGM] code moved to back-end from winboard.c
14396 if(which) { // black clock
14397 if (gameMode == EditPosition || gameMode == IcsExamining) {
14398 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14399 SetBlackToPlayEvent();
14400 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14401 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14402 } else if (shiftKey) {
14403 AdjustClock(which, -1);
14404 } else if (gameMode == IcsPlayingWhite ||
14405 gameMode == MachinePlaysBlack) {
14408 } else { // white clock
14409 if (gameMode == EditPosition || gameMode == IcsExamining) {
14410 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14411 SetWhiteToPlayEvent();
14412 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14413 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14414 } else if (shiftKey) {
14415 AdjustClock(which, -1);
14416 } else if (gameMode == IcsPlayingBlack ||
14417 gameMode == MachinePlaysWhite) {
14426 /* Offer draw or accept pending draw offer from opponent */
14428 if (appData.icsActive) {
14429 /* Note: tournament rules require draw offers to be
14430 made after you make your move but before you punch
14431 your clock. Currently ICS doesn't let you do that;
14432 instead, you immediately punch your clock after making
14433 a move, but you can offer a draw at any time. */
14435 SendToICS(ics_prefix);
14436 SendToICS("draw\n");
14437 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14438 } else if (cmailMsgLoaded) {
14439 if (currentMove == cmailOldMove &&
14440 commentList[cmailOldMove] != NULL &&
14441 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14442 "Black offers a draw" : "White offers a draw")) {
14443 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14444 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14445 } else if (currentMove == cmailOldMove + 1) {
14446 char *offer = WhiteOnMove(cmailOldMove) ?
14447 "White offers a draw" : "Black offers a draw";
14448 AppendComment(currentMove, offer, TRUE);
14449 DisplayComment(currentMove - 1, offer);
14450 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14452 DisplayError(_("You must make your move before offering a draw"), 0);
14453 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14455 } else if (first.offeredDraw) {
14456 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14458 if (first.sendDrawOffers) {
14459 SendToProgram("draw\n", &first);
14460 userOfferedDraw = TRUE;
14468 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14470 if (appData.icsActive) {
14471 SendToICS(ics_prefix);
14472 SendToICS("adjourn\n");
14474 /* Currently GNU Chess doesn't offer or accept Adjourns */
14482 /* Offer Abort or accept pending Abort offer from opponent */
14484 if (appData.icsActive) {
14485 SendToICS(ics_prefix);
14486 SendToICS("abort\n");
14488 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14495 /* Resign. You can do this even if it's not your turn. */
14497 if (appData.icsActive) {
14498 SendToICS(ics_prefix);
14499 SendToICS("resign\n");
14501 switch (gameMode) {
14502 case MachinePlaysWhite:
14503 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14505 case MachinePlaysBlack:
14506 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14509 if (cmailMsgLoaded) {
14511 if (WhiteOnMove(cmailOldMove)) {
14512 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14514 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14516 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14527 StopObservingEvent ()
14529 /* Stop observing current games */
14530 SendToICS(ics_prefix);
14531 SendToICS("unobserve\n");
14535 StopExaminingEvent ()
14537 /* Stop observing current game */
14538 SendToICS(ics_prefix);
14539 SendToICS("unexamine\n");
14543 ForwardInner (int target)
14545 int limit; int oldSeekGraphUp = seekGraphUp;
14547 if (appData.debugMode)
14548 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14549 target, currentMove, forwardMostMove);
14551 if (gameMode == EditPosition)
14554 seekGraphUp = FALSE;
14555 MarkTargetSquares(1);
14557 if (gameMode == PlayFromGameFile && !pausing)
14560 if (gameMode == IcsExamining && pausing)
14561 limit = pauseExamForwardMostMove;
14563 limit = forwardMostMove;
14565 if (target > limit) target = limit;
14567 if (target > 0 && moveList[target - 1][0]) {
14568 int fromX, fromY, toX, toY;
14569 toX = moveList[target - 1][2] - AAA;
14570 toY = moveList[target - 1][3] - ONE;
14571 if (moveList[target - 1][1] == '@') {
14572 if (appData.highlightLastMove) {
14573 SetHighlights(-1, -1, toX, toY);
14576 fromX = moveList[target - 1][0] - AAA;
14577 fromY = moveList[target - 1][1] - ONE;
14578 if (target == currentMove + 1) {
14579 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14581 if (appData.highlightLastMove) {
14582 SetHighlights(fromX, fromY, toX, toY);
14586 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14587 gameMode == Training || gameMode == PlayFromGameFile ||
14588 gameMode == AnalyzeFile) {
14589 if(target != currentMove && second.analyzing) ToggleSecond(); // for now, we just stop second analyzing engine
14590 while (currentMove < target) {
14591 SendMoveToProgram(currentMove++, &first);
14594 currentMove = target;
14597 if (gameMode == EditGame || gameMode == EndOfGame) {
14598 whiteTimeRemaining = timeRemaining[0][currentMove];
14599 blackTimeRemaining = timeRemaining[1][currentMove];
14601 DisplayBothClocks();
14602 DisplayMove(currentMove - 1);
14603 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14604 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14605 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14606 DisplayComment(currentMove - 1, commentList[currentMove]);
14608 ClearMap(); // [HGM] exclude: invalidate map
14615 if (gameMode == IcsExamining && !pausing) {
14616 SendToICS(ics_prefix);
14617 SendToICS("forward\n");
14619 ForwardInner(currentMove + 1);
14626 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14627 /* to optimze, we temporarily turn off analysis mode while we feed
14628 * the remaining moves to the engine. Otherwise we get analysis output
14631 if (first.analysisSupport) {
14632 SendToProgram("exit\nforce\n", &first);
14633 first.analyzing = FALSE;
14637 if (gameMode == IcsExamining && !pausing) {
14638 SendToICS(ics_prefix);
14639 SendToICS("forward 999999\n");
14641 ForwardInner(forwardMostMove);
14644 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14645 /* we have fed all the moves, so reactivate analysis mode */
14646 SendToProgram("analyze\n", &first);
14647 first.analyzing = TRUE;
14648 /*first.maybeThinking = TRUE;*/
14649 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14654 BackwardInner (int target)
14656 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14658 if (appData.debugMode)
14659 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14660 target, currentMove, forwardMostMove);
14662 if (gameMode == EditPosition) return;
14663 seekGraphUp = FALSE;
14664 MarkTargetSquares(1);
14665 if (currentMove <= backwardMostMove) {
14667 DrawPosition(full_redraw, boards[currentMove]);
14670 if (gameMode == PlayFromGameFile && !pausing)
14673 if (moveList[target][0]) {
14674 int fromX, fromY, toX, toY;
14675 toX = moveList[target][2] - AAA;
14676 toY = moveList[target][3] - ONE;
14677 if (moveList[target][1] == '@') {
14678 if (appData.highlightLastMove) {
14679 SetHighlights(-1, -1, toX, toY);
14682 fromX = moveList[target][0] - AAA;
14683 fromY = moveList[target][1] - ONE;
14684 if (target == currentMove - 1) {
14685 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14687 if (appData.highlightLastMove) {
14688 SetHighlights(fromX, fromY, toX, toY);
14692 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14693 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14694 if(target != currentMove && second.analyzing) ToggleSecond(); // for now, we just stop second analyzing engine
14695 while (currentMove > target) {
14696 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14697 // null move cannot be undone. Reload program with move history before it.
14699 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14700 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14702 SendBoard(&first, i);
14703 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14706 SendToProgram("undo\n", &first);
14710 currentMove = target;
14713 if (gameMode == EditGame || gameMode == EndOfGame) {
14714 whiteTimeRemaining = timeRemaining[0][currentMove];
14715 blackTimeRemaining = timeRemaining[1][currentMove];
14717 DisplayBothClocks();
14718 DisplayMove(currentMove - 1);
14719 DrawPosition(full_redraw, boards[currentMove]);
14720 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14721 // [HGM] PV info: routine tests if comment empty
14722 DisplayComment(currentMove - 1, commentList[currentMove]);
14723 ClearMap(); // [HGM] exclude: invalidate map
14729 if (gameMode == IcsExamining && !pausing) {
14730 SendToICS(ics_prefix);
14731 SendToICS("backward\n");
14733 BackwardInner(currentMove - 1);
14740 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14741 /* to optimize, we temporarily turn off analysis mode while we undo
14742 * all the moves. Otherwise we get analysis output after each undo.
14744 if (first.analysisSupport) {
14745 SendToProgram("exit\nforce\n", &first);
14746 first.analyzing = FALSE;
14750 if (gameMode == IcsExamining && !pausing) {
14751 SendToICS(ics_prefix);
14752 SendToICS("backward 999999\n");
14754 BackwardInner(backwardMostMove);
14757 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14758 /* we have fed all the moves, so reactivate analysis mode */
14759 SendToProgram("analyze\n", &first);
14760 first.analyzing = TRUE;
14761 /*first.maybeThinking = TRUE;*/
14762 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14769 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14770 if (to >= forwardMostMove) to = forwardMostMove;
14771 if (to <= backwardMostMove) to = backwardMostMove;
14772 if (to < currentMove) {
14780 RevertEvent (Boolean annotate)
14782 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14785 if (gameMode != IcsExamining) {
14786 DisplayError(_("You are not examining a game"), 0);
14790 DisplayError(_("You can't revert while pausing"), 0);
14793 SendToICS(ics_prefix);
14794 SendToICS("revert\n");
14798 RetractMoveEvent ()
14800 switch (gameMode) {
14801 case MachinePlaysWhite:
14802 case MachinePlaysBlack:
14803 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14804 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14807 if (forwardMostMove < 2) return;
14808 currentMove = forwardMostMove = forwardMostMove - 2;
14809 whiteTimeRemaining = timeRemaining[0][currentMove];
14810 blackTimeRemaining = timeRemaining[1][currentMove];
14811 DisplayBothClocks();
14812 DisplayMove(currentMove - 1);
14813 ClearHighlights();/*!! could figure this out*/
14814 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14815 SendToProgram("remove\n", &first);
14816 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14819 case BeginningOfGame:
14823 case IcsPlayingWhite:
14824 case IcsPlayingBlack:
14825 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14826 SendToICS(ics_prefix);
14827 SendToICS("takeback 2\n");
14829 SendToICS(ics_prefix);
14830 SendToICS("takeback 1\n");
14839 ChessProgramState *cps;
14841 switch (gameMode) {
14842 case MachinePlaysWhite:
14843 if (!WhiteOnMove(forwardMostMove)) {
14844 DisplayError(_("It is your turn"), 0);
14849 case MachinePlaysBlack:
14850 if (WhiteOnMove(forwardMostMove)) {
14851 DisplayError(_("It is your turn"), 0);
14856 case TwoMachinesPlay:
14857 if (WhiteOnMove(forwardMostMove) ==
14858 (first.twoMachinesColor[0] == 'w')) {
14864 case BeginningOfGame:
14868 SendToProgram("?\n", cps);
14872 TruncateGameEvent ()
14875 if (gameMode != EditGame) return;
14882 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14883 if (forwardMostMove > currentMove) {
14884 if (gameInfo.resultDetails != NULL) {
14885 free(gameInfo.resultDetails);
14886 gameInfo.resultDetails = NULL;
14887 gameInfo.result = GameUnfinished;
14889 forwardMostMove = currentMove;
14890 HistorySet(parseList, backwardMostMove, forwardMostMove,
14898 if (appData.noChessProgram) return;
14899 switch (gameMode) {
14900 case MachinePlaysWhite:
14901 if (WhiteOnMove(forwardMostMove)) {
14902 DisplayError(_("Wait until your turn"), 0);
14906 case BeginningOfGame:
14907 case MachinePlaysBlack:
14908 if (!WhiteOnMove(forwardMostMove)) {
14909 DisplayError(_("Wait until your turn"), 0);
14914 DisplayError(_("No hint available"), 0);
14917 SendToProgram("hint\n", &first);
14918 hintRequested = TRUE;
14924 if (appData.noChessProgram) return;
14925 switch (gameMode) {
14926 case MachinePlaysWhite:
14927 if (WhiteOnMove(forwardMostMove)) {
14928 DisplayError(_("Wait until your turn"), 0);
14932 case BeginningOfGame:
14933 case MachinePlaysBlack:
14934 if (!WhiteOnMove(forwardMostMove)) {
14935 DisplayError(_("Wait until your turn"), 0);
14940 EditPositionDone(TRUE);
14942 case TwoMachinesPlay:
14947 SendToProgram("bk\n", &first);
14948 bookOutput[0] = NULLCHAR;
14949 bookRequested = TRUE;
14955 char *tags = PGNTags(&gameInfo);
14956 TagsPopUp(tags, CmailMsg());
14960 /* end button procedures */
14963 PrintPosition (FILE *fp, int move)
14967 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14968 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14969 char c = PieceToChar(boards[move][i][j]);
14970 fputc(c == 'x' ? '.' : c, fp);
14971 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14974 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14975 fprintf(fp, "white to play\n");
14977 fprintf(fp, "black to play\n");
14981 PrintOpponents (FILE *fp)
14983 if (gameInfo.white != NULL) {
14984 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14990 /* Find last component of program's own name, using some heuristics */
14992 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14995 int local = (strcmp(host, "localhost") == 0);
14996 while (!local && (p = strchr(prog, ';')) != NULL) {
14998 while (*p == ' ') p++;
15001 if (*prog == '"' || *prog == '\'') {
15002 q = strchr(prog + 1, *prog);
15004 q = strchr(prog, ' ');
15006 if (q == NULL) q = prog + strlen(prog);
15008 while (p >= prog && *p != '/' && *p != '\\') p--;
15010 if(p == prog && *p == '"') p++;
15012 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15013 memcpy(buf, p, q - p);
15014 buf[q - p] = NULLCHAR;
15022 TimeControlTagValue ()
15025 if (!appData.clockMode) {
15026 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15027 } else if (movesPerSession > 0) {
15028 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15029 } else if (timeIncrement == 0) {
15030 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15032 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15034 return StrSave(buf);
15040 /* This routine is used only for certain modes */
15041 VariantClass v = gameInfo.variant;
15042 ChessMove r = GameUnfinished;
15045 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15046 r = gameInfo.result;
15047 p = gameInfo.resultDetails;
15048 gameInfo.resultDetails = NULL;
15050 ClearGameInfo(&gameInfo);
15051 gameInfo.variant = v;
15053 switch (gameMode) {
15054 case MachinePlaysWhite:
15055 gameInfo.event = StrSave( appData.pgnEventHeader );
15056 gameInfo.site = StrSave(HostName());
15057 gameInfo.date = PGNDate();
15058 gameInfo.round = StrSave("-");
15059 gameInfo.white = StrSave(first.tidy);
15060 gameInfo.black = StrSave(UserName());
15061 gameInfo.timeControl = TimeControlTagValue();
15064 case MachinePlaysBlack:
15065 gameInfo.event = StrSave( appData.pgnEventHeader );
15066 gameInfo.site = StrSave(HostName());
15067 gameInfo.date = PGNDate();
15068 gameInfo.round = StrSave("-");
15069 gameInfo.white = StrSave(UserName());
15070 gameInfo.black = StrSave(first.tidy);
15071 gameInfo.timeControl = TimeControlTagValue();
15074 case TwoMachinesPlay:
15075 gameInfo.event = StrSave( appData.pgnEventHeader );
15076 gameInfo.site = StrSave(HostName());
15077 gameInfo.date = PGNDate();
15080 snprintf(buf, MSG_SIZ, "%d", roundNr);
15081 gameInfo.round = StrSave(buf);
15083 gameInfo.round = StrSave("-");
15085 if (first.twoMachinesColor[0] == 'w') {
15086 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15087 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15089 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15090 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15092 gameInfo.timeControl = TimeControlTagValue();
15096 gameInfo.event = StrSave("Edited game");
15097 gameInfo.site = StrSave(HostName());
15098 gameInfo.date = PGNDate();
15099 gameInfo.round = StrSave("-");
15100 gameInfo.white = StrSave("-");
15101 gameInfo.black = StrSave("-");
15102 gameInfo.result = r;
15103 gameInfo.resultDetails = p;
15107 gameInfo.event = StrSave("Edited position");
15108 gameInfo.site = StrSave(HostName());
15109 gameInfo.date = PGNDate();
15110 gameInfo.round = StrSave("-");
15111 gameInfo.white = StrSave("-");
15112 gameInfo.black = StrSave("-");
15115 case IcsPlayingWhite:
15116 case IcsPlayingBlack:
15121 case PlayFromGameFile:
15122 gameInfo.event = StrSave("Game from non-PGN file");
15123 gameInfo.site = StrSave(HostName());
15124 gameInfo.date = PGNDate();
15125 gameInfo.round = StrSave("-");
15126 gameInfo.white = StrSave("?");
15127 gameInfo.black = StrSave("?");
15136 ReplaceComment (int index, char *text)
15142 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15143 pvInfoList[index-1].depth == len &&
15144 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15145 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15146 while (*text == '\n') text++;
15147 len = strlen(text);
15148 while (len > 0 && text[len - 1] == '\n') len--;
15150 if (commentList[index] != NULL)
15151 free(commentList[index]);
15154 commentList[index] = NULL;
15157 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15158 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15159 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15160 commentList[index] = (char *) malloc(len + 2);
15161 strncpy(commentList[index], text, len);
15162 commentList[index][len] = '\n';
15163 commentList[index][len + 1] = NULLCHAR;
15165 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15167 commentList[index] = (char *) malloc(len + 7);
15168 safeStrCpy(commentList[index], "{\n", 3);
15169 safeStrCpy(commentList[index]+2, text, len+1);
15170 commentList[index][len+2] = NULLCHAR;
15171 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15172 strcat(commentList[index], "\n}\n");
15177 CrushCRs (char *text)
15185 if (ch == '\r') continue;
15187 } while (ch != '\0');
15191 AppendComment (int index, char *text, Boolean addBraces)
15192 /* addBraces tells if we should add {} */
15197 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15198 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15201 while (*text == '\n') text++;
15202 len = strlen(text);
15203 while (len > 0 && text[len - 1] == '\n') len--;
15204 text[len] = NULLCHAR;
15206 if (len == 0) return;
15208 if (commentList[index] != NULL) {
15209 Boolean addClosingBrace = addBraces;
15210 old = commentList[index];
15211 oldlen = strlen(old);
15212 while(commentList[index][oldlen-1] == '\n')
15213 commentList[index][--oldlen] = NULLCHAR;
15214 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15215 safeStrCpy(commentList[index], old, oldlen + len + 6);
15217 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15218 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15219 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15220 while (*text == '\n') { text++; len--; }
15221 commentList[index][--oldlen] = NULLCHAR;
15223 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15224 else strcat(commentList[index], "\n");
15225 strcat(commentList[index], text);
15226 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15227 else strcat(commentList[index], "\n");
15229 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15231 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15232 else commentList[index][0] = NULLCHAR;
15233 strcat(commentList[index], text);
15234 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15235 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15240 FindStr (char * text, char * sub_text)
15242 char * result = strstr( text, sub_text );
15244 if( result != NULL ) {
15245 result += strlen( sub_text );
15251 /* [AS] Try to extract PV info from PGN comment */
15252 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15254 GetInfoFromComment (int index, char * text)
15256 char * sep = text, *p;
15258 if( text != NULL && index > 0 ) {
15261 int time = -1, sec = 0, deci;
15262 char * s_eval = FindStr( text, "[%eval " );
15263 char * s_emt = FindStr( text, "[%emt " );
15265 if( s_eval != NULL || s_emt != NULL ) {
15269 if( s_eval != NULL ) {
15270 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15274 if( delim != ']' ) {
15279 if( s_emt != NULL ) {
15284 /* We expect something like: [+|-]nnn.nn/dd */
15287 if(*text != '{') return text; // [HGM] braces: must be normal comment
15289 sep = strchr( text, '/' );
15290 if( sep == NULL || sep < (text+4) ) {
15295 if(p[1] == '(') { // comment starts with PV
15296 p = strchr(p, ')'); // locate end of PV
15297 if(p == NULL || sep < p+5) return text;
15298 // at this point we have something like "{(.*) +0.23/6 ..."
15299 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15300 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15301 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15303 time = -1; sec = -1; deci = -1;
15304 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15305 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15306 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15307 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15311 if( score_lo < 0 || score_lo >= 100 ) {
15315 if(sec >= 0) time = 600*time + 10*sec; else
15316 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15318 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15320 /* [HGM] PV time: now locate end of PV info */
15321 while( *++sep >= '0' && *sep <= '9'); // strip depth
15323 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15325 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15327 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15328 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15339 pvInfoList[index-1].depth = depth;
15340 pvInfoList[index-1].score = score;
15341 pvInfoList[index-1].time = 10*time; // centi-sec
15342 if(*sep == '}') *sep = 0; else *--sep = '{';
15343 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15349 SendToProgram (char *message, ChessProgramState *cps)
15351 int count, outCount, error;
15354 if (cps->pr == NoProc) return;
15357 if (appData.debugMode) {
15360 fprintf(debugFP, "%ld >%-6s: %s",
15361 SubtractTimeMarks(&now, &programStartTime),
15362 cps->which, message);
15364 fprintf(serverFP, "%ld >%-6s: %s",
15365 SubtractTimeMarks(&now, &programStartTime),
15366 cps->which, message), fflush(serverFP);
15369 count = strlen(message);
15370 outCount = OutputToProcess(cps->pr, message, count, &error);
15371 if (outCount < count && !exiting
15372 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15373 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15374 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15375 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15376 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15377 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15378 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15379 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15381 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15382 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15383 gameInfo.result = res;
15385 gameInfo.resultDetails = StrSave(buf);
15387 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15388 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15393 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15397 ChessProgramState *cps = (ChessProgramState *)closure;
15399 if (isr != cps->isr) return; /* Killed intentionally */
15402 RemoveInputSource(cps->isr);
15403 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15404 _(cps->which), cps->program);
15405 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15406 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15407 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15408 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15409 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15410 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15412 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15413 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15414 gameInfo.result = res;
15416 gameInfo.resultDetails = StrSave(buf);
15418 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15419 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15421 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15422 _(cps->which), cps->program);
15423 RemoveInputSource(cps->isr);
15425 /* [AS] Program is misbehaving badly... kill it */
15426 if( count == -2 ) {
15427 DestroyChildProcess( cps->pr, 9 );
15431 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15436 if ((end_str = strchr(message, '\r')) != NULL)
15437 *end_str = NULLCHAR;
15438 if ((end_str = strchr(message, '\n')) != NULL)
15439 *end_str = NULLCHAR;
15441 if (appData.debugMode) {
15442 TimeMark now; int print = 1;
15443 char *quote = ""; char c; int i;
15445 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15446 char start = message[0];
15447 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15448 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15449 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15450 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15451 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15452 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15453 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15454 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15455 sscanf(message, "hint: %c", &c)!=1 &&
15456 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15457 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15458 print = (appData.engineComments >= 2);
15460 message[0] = start; // restore original message
15464 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15465 SubtractTimeMarks(&now, &programStartTime), cps->which,
15469 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15470 SubtractTimeMarks(&now, &programStartTime), cps->which,
15472 message), fflush(serverFP);
15476 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15477 if (appData.icsEngineAnalyze) {
15478 if (strstr(message, "whisper") != NULL ||
15479 strstr(message, "kibitz") != NULL ||
15480 strstr(message, "tellics") != NULL) return;
15483 HandleMachineMove(message, cps);
15488 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15493 if( timeControl_2 > 0 ) {
15494 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15495 tc = timeControl_2;
15498 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15499 inc /= cps->timeOdds;
15500 st /= cps->timeOdds;
15502 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15505 /* Set exact time per move, normally using st command */
15506 if (cps->stKludge) {
15507 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15509 if (seconds == 0) {
15510 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15512 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15515 snprintf(buf, MSG_SIZ, "st %d\n", st);
15518 /* Set conventional or incremental time control, using level command */
15519 if (seconds == 0) {
15520 /* Note old gnuchess bug -- minutes:seconds used to not work.
15521 Fixed in later versions, but still avoid :seconds
15522 when seconds is 0. */
15523 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15525 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15526 seconds, inc/1000.);
15529 SendToProgram(buf, cps);
15531 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15532 /* Orthogonally, limit search to given depth */
15534 if (cps->sdKludge) {
15535 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15537 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15539 SendToProgram(buf, cps);
15542 if(cps->nps >= 0) { /* [HGM] nps */
15543 if(cps->supportsNPS == FALSE)
15544 cps->nps = -1; // don't use if engine explicitly says not supported!
15546 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15547 SendToProgram(buf, cps);
15552 ChessProgramState *
15554 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15556 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15557 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15563 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15565 char message[MSG_SIZ];
15568 /* Note: this routine must be called when the clocks are stopped
15569 or when they have *just* been set or switched; otherwise
15570 it will be off by the time since the current tick started.
15572 if (machineWhite) {
15573 time = whiteTimeRemaining / 10;
15574 otime = blackTimeRemaining / 10;
15576 time = blackTimeRemaining / 10;
15577 otime = whiteTimeRemaining / 10;
15579 /* [HGM] translate opponent's time by time-odds factor */
15580 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15582 if (time <= 0) time = 1;
15583 if (otime <= 0) otime = 1;
15585 snprintf(message, MSG_SIZ, "time %ld\n", time);
15586 SendToProgram(message, cps);
15588 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15589 SendToProgram(message, cps);
15593 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15596 int len = strlen(name);
15599 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15601 sscanf(*p, "%d", &val);
15603 while (**p && **p != ' ')
15605 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15606 SendToProgram(buf, cps);
15613 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15616 int len = strlen(name);
15617 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15619 sscanf(*p, "%d", loc);
15620 while (**p && **p != ' ') (*p)++;
15621 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15622 SendToProgram(buf, cps);
15629 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15632 int len = strlen(name);
15633 if (strncmp((*p), name, len) == 0
15634 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15636 sscanf(*p, "%[^\"]", loc);
15637 while (**p && **p != '\"') (*p)++;
15638 if (**p == '\"') (*p)++;
15639 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15640 SendToProgram(buf, cps);
15647 ParseOption (Option *opt, ChessProgramState *cps)
15648 // [HGM] options: process the string that defines an engine option, and determine
15649 // name, type, default value, and allowed value range
15651 char *p, *q, buf[MSG_SIZ];
15652 int n, min = (-1)<<31, max = 1<<31, def;
15654 if(p = strstr(opt->name, " -spin ")) {
15655 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15656 if(max < min) max = min; // enforce consistency
15657 if(def < min) def = min;
15658 if(def > max) def = max;
15663 } else if((p = strstr(opt->name, " -slider "))) {
15664 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15665 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15666 if(max < min) max = min; // enforce consistency
15667 if(def < min) def = min;
15668 if(def > max) def = max;
15672 opt->type = Spin; // Slider;
15673 } else if((p = strstr(opt->name, " -string "))) {
15674 opt->textValue = p+9;
15675 opt->type = TextBox;
15676 } else if((p = strstr(opt->name, " -file "))) {
15677 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15678 opt->textValue = p+7;
15679 opt->type = FileName; // FileName;
15680 } else if((p = strstr(opt->name, " -path "))) {
15681 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15682 opt->textValue = p+7;
15683 opt->type = PathName; // PathName;
15684 } else if(p = strstr(opt->name, " -check ")) {
15685 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15686 opt->value = (def != 0);
15687 opt->type = CheckBox;
15688 } else if(p = strstr(opt->name, " -combo ")) {
15689 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15690 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15691 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15692 opt->value = n = 0;
15693 while(q = StrStr(q, " /// ")) {
15694 n++; *q = 0; // count choices, and null-terminate each of them
15696 if(*q == '*') { // remember default, which is marked with * prefix
15700 cps->comboList[cps->comboCnt++] = q;
15702 cps->comboList[cps->comboCnt++] = NULL;
15704 opt->type = ComboBox;
15705 } else if(p = strstr(opt->name, " -button")) {
15706 opt->type = Button;
15707 } else if(p = strstr(opt->name, " -save")) {
15708 opt->type = SaveButton;
15709 } else return FALSE;
15710 *p = 0; // terminate option name
15711 // now look if the command-line options define a setting for this engine option.
15712 if(cps->optionSettings && cps->optionSettings[0])
15713 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15714 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15715 snprintf(buf, MSG_SIZ, "option %s", p);
15716 if(p = strstr(buf, ",")) *p = 0;
15717 if(q = strchr(buf, '=')) switch(opt->type) {
15719 for(n=0; n<opt->max; n++)
15720 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15723 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15727 opt->value = atoi(q+1);
15732 SendToProgram(buf, cps);
15738 FeatureDone (ChessProgramState *cps, int val)
15740 DelayedEventCallback cb = GetDelayedEvent();
15741 if ((cb == InitBackEnd3 && cps == &first) ||
15742 (cb == SettingsMenuIfReady && cps == &second) ||
15743 (cb == LoadEngine) ||
15744 (cb == TwoMachinesEventIfReady)) {
15745 CancelDelayedEvent();
15746 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15748 cps->initDone = val;
15751 /* Parse feature command from engine */
15753 ParseFeatures (char *args, ChessProgramState *cps)
15761 while (*p == ' ') p++;
15762 if (*p == NULLCHAR) return;
15764 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15765 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15766 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15767 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15768 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15769 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15770 if (BoolFeature(&p, "reuse", &val, cps)) {
15771 /* Engine can disable reuse, but can't enable it if user said no */
15772 if (!val) cps->reuse = FALSE;
15775 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15776 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15777 if (gameMode == TwoMachinesPlay) {
15778 DisplayTwoMachinesTitle();
15784 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15785 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15786 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15787 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15788 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15789 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15790 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15791 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15792 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15793 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15794 if (IntFeature(&p, "done", &val, cps)) {
15795 FeatureDone(cps, val);
15798 /* Added by Tord: */
15799 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15800 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15801 /* End of additions by Tord */
15803 /* [HGM] added features: */
15804 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15805 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15806 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15807 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15808 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15809 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15810 if (StringFeature(&p, "option", buf, cps)) {
15811 FREE(cps->option[cps->nrOptions].name);
15812 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15813 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15814 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15815 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15816 SendToProgram(buf, cps);
15819 if(cps->nrOptions >= MAX_OPTIONS) {
15821 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15822 DisplayError(buf, 0);
15826 /* End of additions by HGM */
15828 /* unknown feature: complain and skip */
15830 while (*q && *q != '=') q++;
15831 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15832 SendToProgram(buf, cps);
15838 while (*p && *p != '\"') p++;
15839 if (*p == '\"') p++;
15841 while (*p && *p != ' ') p++;
15849 PeriodicUpdatesEvent (int newState)
15851 if (newState == appData.periodicUpdates)
15854 appData.periodicUpdates=newState;
15856 /* Display type changes, so update it now */
15857 // DisplayAnalysis();
15859 /* Get the ball rolling again... */
15861 AnalysisPeriodicEvent(1);
15862 StartAnalysisClock();
15867 PonderNextMoveEvent (int newState)
15869 if (newState == appData.ponderNextMove) return;
15870 if (gameMode == EditPosition) EditPositionDone(TRUE);
15872 SendToProgram("hard\n", &first);
15873 if (gameMode == TwoMachinesPlay) {
15874 SendToProgram("hard\n", &second);
15877 SendToProgram("easy\n", &first);
15878 thinkOutput[0] = NULLCHAR;
15879 if (gameMode == TwoMachinesPlay) {
15880 SendToProgram("easy\n", &second);
15883 appData.ponderNextMove = newState;
15887 NewSettingEvent (int option, int *feature, char *command, int value)
15891 if (gameMode == EditPosition) EditPositionDone(TRUE);
15892 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15893 if(feature == NULL || *feature) SendToProgram(buf, &first);
15894 if (gameMode == TwoMachinesPlay) {
15895 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15900 ShowThinkingEvent ()
15901 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15903 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15904 int newState = appData.showThinking
15905 // [HGM] thinking: other features now need thinking output as well
15906 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15908 if (oldState == newState) return;
15909 oldState = newState;
15910 if (gameMode == EditPosition) EditPositionDone(TRUE);
15912 SendToProgram("post\n", &first);
15913 if (gameMode == TwoMachinesPlay) {
15914 SendToProgram("post\n", &second);
15917 SendToProgram("nopost\n", &first);
15918 thinkOutput[0] = NULLCHAR;
15919 if (gameMode == TwoMachinesPlay) {
15920 SendToProgram("nopost\n", &second);
15923 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15927 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15929 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15930 if (pr == NoProc) return;
15931 AskQuestion(title, question, replyPrefix, pr);
15935 TypeInEvent (char firstChar)
15937 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15938 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15939 gameMode == AnalyzeMode || gameMode == EditGame ||
15940 gameMode == EditPosition || gameMode == IcsExamining ||
15941 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15942 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15943 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15944 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15945 gameMode == Training) PopUpMoveDialog(firstChar);
15949 TypeInDoneEvent (char *move)
15952 int n, fromX, fromY, toX, toY;
15954 ChessMove moveType;
15957 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15958 EditPositionPasteFEN(move);
15961 // [HGM] movenum: allow move number to be typed in any mode
15962 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15966 // undocumented kludge: allow command-line option to be typed in!
15967 // (potentially fatal, and does not implement the effect of the option.)
15968 // should only be used for options that are values on which future decisions will be made,
15969 // and definitely not on options that would be used during initialization.
15970 if(strstr(move, "!!! -") == move) {
15971 ParseArgsFromString(move+4);
15975 if (gameMode != EditGame && currentMove != forwardMostMove &&
15976 gameMode != Training) {
15977 DisplayMoveError(_("Displayed move is not current"));
15979 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15980 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15981 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15982 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15983 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15984 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15986 DisplayMoveError(_("Could not parse move"));
15992 DisplayMove (int moveNumber)
15994 char message[MSG_SIZ];
15996 char cpThinkOutput[MSG_SIZ];
15998 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16000 if (moveNumber == forwardMostMove - 1 ||
16001 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16003 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16005 if (strchr(cpThinkOutput, '\n')) {
16006 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16009 *cpThinkOutput = NULLCHAR;
16012 /* [AS] Hide thinking from human user */
16013 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16014 *cpThinkOutput = NULLCHAR;
16015 if( thinkOutput[0] != NULLCHAR ) {
16018 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16019 cpThinkOutput[i] = '.';
16021 cpThinkOutput[i] = NULLCHAR;
16022 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16026 if (moveNumber == forwardMostMove - 1 &&
16027 gameInfo.resultDetails != NULL) {
16028 if (gameInfo.resultDetails[0] == NULLCHAR) {
16029 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16031 snprintf(res, MSG_SIZ, " {%s} %s",
16032 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16038 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16039 DisplayMessage(res, cpThinkOutput);
16041 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16042 WhiteOnMove(moveNumber) ? " " : ".. ",
16043 parseList[moveNumber], res);
16044 DisplayMessage(message, cpThinkOutput);
16049 DisplayComment (int moveNumber, char *text)
16051 char title[MSG_SIZ];
16053 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16054 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16056 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16057 WhiteOnMove(moveNumber) ? " " : ".. ",
16058 parseList[moveNumber]);
16060 if (text != NULL && (appData.autoDisplayComment || commentUp))
16061 CommentPopUp(title, text);
16064 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16065 * might be busy thinking or pondering. It can be omitted if your
16066 * gnuchess is configured to stop thinking immediately on any user
16067 * input. However, that gnuchess feature depends on the FIONREAD
16068 * ioctl, which does not work properly on some flavors of Unix.
16071 Attention (ChessProgramState *cps)
16074 if (!cps->useSigint) return;
16075 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16076 switch (gameMode) {
16077 case MachinePlaysWhite:
16078 case MachinePlaysBlack:
16079 case TwoMachinesPlay:
16080 case IcsPlayingWhite:
16081 case IcsPlayingBlack:
16084 /* Skip if we know it isn't thinking */
16085 if (!cps->maybeThinking) return;
16086 if (appData.debugMode)
16087 fprintf(debugFP, "Interrupting %s\n", cps->which);
16088 InterruptChildProcess(cps->pr);
16089 cps->maybeThinking = FALSE;
16094 #endif /*ATTENTION*/
16100 if (whiteTimeRemaining <= 0) {
16103 if (appData.icsActive) {
16104 if (appData.autoCallFlag &&
16105 gameMode == IcsPlayingBlack && !blackFlag) {
16106 SendToICS(ics_prefix);
16107 SendToICS("flag\n");
16111 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16113 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16114 if (appData.autoCallFlag) {
16115 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16122 if (blackTimeRemaining <= 0) {
16125 if (appData.icsActive) {
16126 if (appData.autoCallFlag &&
16127 gameMode == IcsPlayingWhite && !whiteFlag) {
16128 SendToICS(ics_prefix);
16129 SendToICS("flag\n");
16133 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16135 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16136 if (appData.autoCallFlag) {
16137 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16148 CheckTimeControl ()
16150 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16151 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16154 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16156 if ( !WhiteOnMove(forwardMostMove) ) {
16157 /* White made time control */
16158 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16159 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16160 /* [HGM] time odds: correct new time quota for time odds! */
16161 / WhitePlayer()->timeOdds;
16162 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16164 lastBlack -= blackTimeRemaining;
16165 /* Black made time control */
16166 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16167 / WhitePlayer()->other->timeOdds;
16168 lastWhite = whiteTimeRemaining;
16173 DisplayBothClocks ()
16175 int wom = gameMode == EditPosition ?
16176 !blackPlaysFirst : WhiteOnMove(currentMove);
16177 DisplayWhiteClock(whiteTimeRemaining, wom);
16178 DisplayBlackClock(blackTimeRemaining, !wom);
16182 /* Timekeeping seems to be a portability nightmare. I think everyone
16183 has ftime(), but I'm really not sure, so I'm including some ifdefs
16184 to use other calls if you don't. Clocks will be less accurate if
16185 you have neither ftime nor gettimeofday.
16188 /* VS 2008 requires the #include outside of the function */
16189 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16190 #include <sys/timeb.h>
16193 /* Get the current time as a TimeMark */
16195 GetTimeMark (TimeMark *tm)
16197 #if HAVE_GETTIMEOFDAY
16199 struct timeval timeVal;
16200 struct timezone timeZone;
16202 gettimeofday(&timeVal, &timeZone);
16203 tm->sec = (long) timeVal.tv_sec;
16204 tm->ms = (int) (timeVal.tv_usec / 1000L);
16206 #else /*!HAVE_GETTIMEOFDAY*/
16209 // include <sys/timeb.h> / moved to just above start of function
16210 struct timeb timeB;
16213 tm->sec = (long) timeB.time;
16214 tm->ms = (int) timeB.millitm;
16216 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16217 tm->sec = (long) time(NULL);
16223 /* Return the difference in milliseconds between two
16224 time marks. We assume the difference will fit in a long!
16227 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16229 return 1000L*(tm2->sec - tm1->sec) +
16230 (long) (tm2->ms - tm1->ms);
16235 * Code to manage the game clocks.
16237 * In tournament play, black starts the clock and then white makes a move.
16238 * We give the human user a slight advantage if he is playing white---the
16239 * clocks don't run until he makes his first move, so it takes zero time.
16240 * Also, we don't account for network lag, so we could get out of sync
16241 * with GNU Chess's clock -- but then, referees are always right.
16244 static TimeMark tickStartTM;
16245 static long intendedTickLength;
16248 NextTickLength (long timeRemaining)
16250 long nominalTickLength, nextTickLength;
16252 if (timeRemaining > 0L && timeRemaining <= 10000L)
16253 nominalTickLength = 100L;
16255 nominalTickLength = 1000L;
16256 nextTickLength = timeRemaining % nominalTickLength;
16257 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16259 return nextTickLength;
16262 /* Adjust clock one minute up or down */
16264 AdjustClock (Boolean which, int dir)
16266 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16267 if(which) blackTimeRemaining += 60000*dir;
16268 else whiteTimeRemaining += 60000*dir;
16269 DisplayBothClocks();
16270 adjustedClock = TRUE;
16273 /* Stop clocks and reset to a fresh time control */
16277 (void) StopClockTimer();
16278 if (appData.icsActive) {
16279 whiteTimeRemaining = blackTimeRemaining = 0;
16280 } else if (searchTime) {
16281 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16282 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16283 } else { /* [HGM] correct new time quote for time odds */
16284 whiteTC = blackTC = fullTimeControlString;
16285 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16286 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16288 if (whiteFlag || blackFlag) {
16290 whiteFlag = blackFlag = FALSE;
16292 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16293 DisplayBothClocks();
16294 adjustedClock = FALSE;
16297 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16299 /* Decrement running clock by amount of time that has passed */
16303 long timeRemaining;
16304 long lastTickLength, fudge;
16307 if (!appData.clockMode) return;
16308 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16312 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16314 /* Fudge if we woke up a little too soon */
16315 fudge = intendedTickLength - lastTickLength;
16316 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16318 if (WhiteOnMove(forwardMostMove)) {
16319 if(whiteNPS >= 0) lastTickLength = 0;
16320 timeRemaining = whiteTimeRemaining -= lastTickLength;
16321 if(timeRemaining < 0 && !appData.icsActive) {
16322 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16323 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16324 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16325 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16328 DisplayWhiteClock(whiteTimeRemaining - fudge,
16329 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16331 if(blackNPS >= 0) lastTickLength = 0;
16332 timeRemaining = blackTimeRemaining -= lastTickLength;
16333 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16334 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16336 blackStartMove = forwardMostMove;
16337 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16340 DisplayBlackClock(blackTimeRemaining - fudge,
16341 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16343 if (CheckFlags()) return;
16345 if(twoBoards) { // count down secondary board's clocks as well
16346 activePartnerTime -= lastTickLength;
16348 if(activePartner == 'W')
16349 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16351 DisplayBlackClock(activePartnerTime, TRUE);
16356 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16357 StartClockTimer(intendedTickLength);
16359 /* if the time remaining has fallen below the alarm threshold, sound the
16360 * alarm. if the alarm has sounded and (due to a takeback or time control
16361 * with increment) the time remaining has increased to a level above the
16362 * threshold, reset the alarm so it can sound again.
16365 if (appData.icsActive && appData.icsAlarm) {
16367 /* make sure we are dealing with the user's clock */
16368 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16369 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16372 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16373 alarmSounded = FALSE;
16374 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16376 alarmSounded = TRUE;
16382 /* A player has just moved, so stop the previously running
16383 clock and (if in clock mode) start the other one.
16384 We redisplay both clocks in case we're in ICS mode, because
16385 ICS gives us an update to both clocks after every move.
16386 Note that this routine is called *after* forwardMostMove
16387 is updated, so the last fractional tick must be subtracted
16388 from the color that is *not* on move now.
16391 SwitchClocks (int newMoveNr)
16393 long lastTickLength;
16395 int flagged = FALSE;
16399 if (StopClockTimer() && appData.clockMode) {
16400 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16401 if (!WhiteOnMove(forwardMostMove)) {
16402 if(blackNPS >= 0) lastTickLength = 0;
16403 blackTimeRemaining -= lastTickLength;
16404 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16405 // if(pvInfoList[forwardMostMove].time == -1)
16406 pvInfoList[forwardMostMove].time = // use GUI time
16407 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16409 if(whiteNPS >= 0) lastTickLength = 0;
16410 whiteTimeRemaining -= lastTickLength;
16411 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16412 // if(pvInfoList[forwardMostMove].time == -1)
16413 pvInfoList[forwardMostMove].time =
16414 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16416 flagged = CheckFlags();
16418 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16419 CheckTimeControl();
16421 if (flagged || !appData.clockMode) return;
16423 switch (gameMode) {
16424 case MachinePlaysBlack:
16425 case MachinePlaysWhite:
16426 case BeginningOfGame:
16427 if (pausing) return;
16431 case PlayFromGameFile:
16439 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16440 if(WhiteOnMove(forwardMostMove))
16441 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16442 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16446 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16447 whiteTimeRemaining : blackTimeRemaining);
16448 StartClockTimer(intendedTickLength);
16452 /* Stop both clocks */
16456 long lastTickLength;
16459 if (!StopClockTimer()) return;
16460 if (!appData.clockMode) return;
16464 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16465 if (WhiteOnMove(forwardMostMove)) {
16466 if(whiteNPS >= 0) lastTickLength = 0;
16467 whiteTimeRemaining -= lastTickLength;
16468 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16470 if(blackNPS >= 0) lastTickLength = 0;
16471 blackTimeRemaining -= lastTickLength;
16472 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16477 /* Start clock of player on move. Time may have been reset, so
16478 if clock is already running, stop and restart it. */
16482 (void) StopClockTimer(); /* in case it was running already */
16483 DisplayBothClocks();
16484 if (CheckFlags()) return;
16486 if (!appData.clockMode) return;
16487 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16489 GetTimeMark(&tickStartTM);
16490 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16491 whiteTimeRemaining : blackTimeRemaining);
16493 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16494 whiteNPS = blackNPS = -1;
16495 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16496 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16497 whiteNPS = first.nps;
16498 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16499 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16500 blackNPS = first.nps;
16501 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16502 whiteNPS = second.nps;
16503 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16504 blackNPS = second.nps;
16505 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16507 StartClockTimer(intendedTickLength);
16511 TimeString (long ms)
16513 long second, minute, hour, day;
16515 static char buf[32];
16517 if (ms > 0 && ms <= 9900) {
16518 /* convert milliseconds to tenths, rounding up */
16519 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16521 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16525 /* convert milliseconds to seconds, rounding up */
16526 /* use floating point to avoid strangeness of integer division
16527 with negative dividends on many machines */
16528 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16535 day = second / (60 * 60 * 24);
16536 second = second % (60 * 60 * 24);
16537 hour = second / (60 * 60);
16538 second = second % (60 * 60);
16539 minute = second / 60;
16540 second = second % 60;
16543 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16544 sign, day, hour, minute, second);
16546 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16548 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16555 * This is necessary because some C libraries aren't ANSI C compliant yet.
16558 StrStr (char *string, char *match)
16562 length = strlen(match);
16564 for (i = strlen(string) - length; i >= 0; i--, string++)
16565 if (!strncmp(match, string, length))
16572 StrCaseStr (char *string, char *match)
16576 length = strlen(match);
16578 for (i = strlen(string) - length; i >= 0; i--, string++) {
16579 for (j = 0; j < length; j++) {
16580 if (ToLower(match[j]) != ToLower(string[j]))
16583 if (j == length) return string;
16591 StrCaseCmp (char *s1, char *s2)
16596 c1 = ToLower(*s1++);
16597 c2 = ToLower(*s2++);
16598 if (c1 > c2) return 1;
16599 if (c1 < c2) return -1;
16600 if (c1 == NULLCHAR) return 0;
16608 return isupper(c) ? tolower(c) : c;
16615 return islower(c) ? toupper(c) : c;
16617 #endif /* !_amigados */
16624 if ((ret = (char *) malloc(strlen(s) + 1)))
16626 safeStrCpy(ret, s, strlen(s)+1);
16632 StrSavePtr (char *s, char **savePtr)
16637 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16638 safeStrCpy(*savePtr, s, strlen(s)+1);
16650 clock = time((time_t *)NULL);
16651 tm = localtime(&clock);
16652 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16653 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16654 return StrSave(buf);
16659 PositionToFEN (int move, char *overrideCastling)
16661 int i, j, fromX, fromY, toX, toY;
16668 whiteToPlay = (gameMode == EditPosition) ?
16669 !blackPlaysFirst : (move % 2 == 0);
16672 /* Piece placement data */
16673 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16674 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16676 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16677 if (boards[move][i][j] == EmptySquare) {
16679 } else { ChessSquare piece = boards[move][i][j];
16680 if (emptycount > 0) {
16681 if(emptycount<10) /* [HGM] can be >= 10 */
16682 *p++ = '0' + emptycount;
16683 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16686 if(PieceToChar(piece) == '+') {
16687 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16689 piece = (ChessSquare)(DEMOTED piece);
16691 *p++ = PieceToChar(piece);
16693 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16694 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16699 if (emptycount > 0) {
16700 if(emptycount<10) /* [HGM] can be >= 10 */
16701 *p++ = '0' + emptycount;
16702 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16709 /* [HGM] print Crazyhouse or Shogi holdings */
16710 if( gameInfo.holdingsWidth ) {
16711 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16713 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16714 piece = boards[move][i][BOARD_WIDTH-1];
16715 if( piece != EmptySquare )
16716 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16717 *p++ = PieceToChar(piece);
16719 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16720 piece = boards[move][BOARD_HEIGHT-i-1][0];
16721 if( piece != EmptySquare )
16722 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16723 *p++ = PieceToChar(piece);
16726 if( q == p ) *p++ = '-';
16732 *p++ = whiteToPlay ? 'w' : 'b';
16735 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16736 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16738 if(nrCastlingRights) {
16740 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16741 /* [HGM] write directly from rights */
16742 if(boards[move][CASTLING][2] != NoRights &&
16743 boards[move][CASTLING][0] != NoRights )
16744 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16745 if(boards[move][CASTLING][2] != NoRights &&
16746 boards[move][CASTLING][1] != NoRights )
16747 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16748 if(boards[move][CASTLING][5] != NoRights &&
16749 boards[move][CASTLING][3] != NoRights )
16750 *p++ = boards[move][CASTLING][3] + AAA;
16751 if(boards[move][CASTLING][5] != NoRights &&
16752 boards[move][CASTLING][4] != NoRights )
16753 *p++ = boards[move][CASTLING][4] + AAA;
16756 /* [HGM] write true castling rights */
16757 if( nrCastlingRights == 6 ) {
16759 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16760 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16761 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16762 boards[move][CASTLING][2] != NoRights );
16763 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16764 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16765 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16766 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16767 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16771 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16772 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16773 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16774 boards[move][CASTLING][5] != NoRights );
16775 if(gameInfo.variant == VariantSChess) {
16776 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16777 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16778 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16779 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16784 if (q == p) *p++ = '-'; /* No castling rights */
16788 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16789 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16790 /* En passant target square */
16791 if (move > backwardMostMove) {
16792 fromX = moveList[move - 1][0] - AAA;
16793 fromY = moveList[move - 1][1] - ONE;
16794 toX = moveList[move - 1][2] - AAA;
16795 toY = moveList[move - 1][3] - ONE;
16796 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16797 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16798 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16800 /* 2-square pawn move just happened */
16802 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16806 } else if(move == backwardMostMove) {
16807 // [HGM] perhaps we should always do it like this, and forget the above?
16808 if((signed char)boards[move][EP_STATUS] >= 0) {
16809 *p++ = boards[move][EP_STATUS] + AAA;
16810 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16821 /* [HGM] find reversible plies */
16822 { int i = 0, j=move;
16824 if (appData.debugMode) { int k;
16825 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16826 for(k=backwardMostMove; k<=forwardMostMove; k++)
16827 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16831 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16832 if( j == backwardMostMove ) i += initialRulePlies;
16833 sprintf(p, "%d ", i);
16834 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16836 /* Fullmove number */
16837 sprintf(p, "%d", (move / 2) + 1);
16839 return StrSave(buf);
16843 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16847 int emptycount, virgin[BOARD_FILES];
16852 /* [HGM] by default clear Crazyhouse holdings, if present */
16853 if(gameInfo.holdingsWidth) {
16854 for(i=0; i<BOARD_HEIGHT; i++) {
16855 board[i][0] = EmptySquare; /* black holdings */
16856 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16857 board[i][1] = (ChessSquare) 0; /* black counts */
16858 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16862 /* Piece placement data */
16863 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16866 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16867 if (*p == '/') p++;
16868 emptycount = gameInfo.boardWidth - j;
16869 while (emptycount--)
16870 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16872 #if(BOARD_FILES >= 10)
16873 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16874 p++; emptycount=10;
16875 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16876 while (emptycount--)
16877 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16879 } else if (isdigit(*p)) {
16880 emptycount = *p++ - '0';
16881 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16882 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16883 while (emptycount--)
16884 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16885 } else if (*p == '+' || isalpha(*p)) {
16886 if (j >= gameInfo.boardWidth) return FALSE;
16888 piece = CharToPiece(*++p);
16889 if(piece == EmptySquare) return FALSE; /* unknown piece */
16890 piece = (ChessSquare) (PROMOTED piece ); p++;
16891 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16892 } else piece = CharToPiece(*p++);
16894 if(piece==EmptySquare) return FALSE; /* unknown piece */
16895 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16896 piece = (ChessSquare) (PROMOTED piece);
16897 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16900 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16906 while (*p == '/' || *p == ' ') p++;
16908 /* [HGM] look for Crazyhouse holdings here */
16909 while(*p==' ') p++;
16910 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16912 if(*p == '-' ) p++; /* empty holdings */ else {
16913 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16914 /* if we would allow FEN reading to set board size, we would */
16915 /* have to add holdings and shift the board read so far here */
16916 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16918 if((int) piece >= (int) BlackPawn ) {
16919 i = (int)piece - (int)BlackPawn;
16920 i = PieceToNumber((ChessSquare)i);
16921 if( i >= gameInfo.holdingsSize ) return FALSE;
16922 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16923 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16925 i = (int)piece - (int)WhitePawn;
16926 i = PieceToNumber((ChessSquare)i);
16927 if( i >= gameInfo.holdingsSize ) return FALSE;
16928 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16929 board[i][BOARD_WIDTH-2]++; /* black holdings */
16936 while(*p == ' ') p++;
16940 if(appData.colorNickNames) {
16941 if( c == appData.colorNickNames[0] ) c = 'w'; else
16942 if( c == appData.colorNickNames[1] ) c = 'b';
16946 *blackPlaysFirst = FALSE;
16949 *blackPlaysFirst = TRUE;
16955 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16956 /* return the extra info in global variiables */
16958 /* set defaults in case FEN is incomplete */
16959 board[EP_STATUS] = EP_UNKNOWN;
16960 for(i=0; i<nrCastlingRights; i++ ) {
16961 board[CASTLING][i] =
16962 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16963 } /* assume possible unless obviously impossible */
16964 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16965 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16966 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16967 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16968 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16969 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16970 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16971 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16974 while(*p==' ') p++;
16975 if(nrCastlingRights) {
16976 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
16977 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
16978 /* castling indicator present, so default becomes no castlings */
16979 for(i=0; i<nrCastlingRights; i++ ) {
16980 board[CASTLING][i] = NoRights;
16983 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16984 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
16985 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16986 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16987 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
16989 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16990 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16991 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16993 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16994 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16995 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16996 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16997 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16998 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17001 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17002 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17003 board[CASTLING][2] = whiteKingFile;
17004 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17005 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17008 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17009 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17010 board[CASTLING][2] = whiteKingFile;
17011 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17012 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17015 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17016 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17017 board[CASTLING][5] = blackKingFile;
17018 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17019 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17022 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17023 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17024 board[CASTLING][5] = blackKingFile;
17025 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17026 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17029 default: /* FRC castlings */
17030 if(c >= 'a') { /* black rights */
17031 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17032 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17033 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17034 if(i == BOARD_RGHT) break;
17035 board[CASTLING][5] = i;
17037 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17038 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17040 board[CASTLING][3] = c;
17042 board[CASTLING][4] = c;
17043 } else { /* white rights */
17044 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17045 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17046 if(board[0][i] == WhiteKing) break;
17047 if(i == BOARD_RGHT) break;
17048 board[CASTLING][2] = i;
17049 c -= AAA - 'a' + 'A';
17050 if(board[0][c] >= WhiteKing) break;
17052 board[CASTLING][0] = c;
17054 board[CASTLING][1] = c;
17058 for(i=0; i<nrCastlingRights; i++)
17059 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17060 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17061 if (appData.debugMode) {
17062 fprintf(debugFP, "FEN castling rights:");
17063 for(i=0; i<nrCastlingRights; i++)
17064 fprintf(debugFP, " %d", board[CASTLING][i]);
17065 fprintf(debugFP, "\n");
17068 while(*p==' ') p++;
17071 /* read e.p. field in games that know e.p. capture */
17072 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17073 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17075 p++; board[EP_STATUS] = EP_NONE;
17077 char c = *p++ - AAA;
17079 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17080 if(*p >= '0' && *p <='9') p++;
17081 board[EP_STATUS] = c;
17086 if(sscanf(p, "%d", &i) == 1) {
17087 FENrulePlies = i; /* 50-move ply counter */
17088 /* (The move number is still ignored) */
17095 EditPositionPasteFEN (char *fen)
17098 Board initial_position;
17100 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17101 DisplayError(_("Bad FEN position in clipboard"), 0);
17104 int savedBlackPlaysFirst = blackPlaysFirst;
17105 EditPositionEvent();
17106 blackPlaysFirst = savedBlackPlaysFirst;
17107 CopyBoard(boards[0], initial_position);
17108 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17109 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17110 DisplayBothClocks();
17111 DrawPosition(FALSE, boards[currentMove]);
17116 static char cseq[12] = "\\ ";
17119 set_cont_sequence (char *new_seq)
17124 // handle bad attempts to set the sequence
17126 return 0; // acceptable error - no debug
17128 len = strlen(new_seq);
17129 ret = (len > 0) && (len < sizeof(cseq));
17131 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17132 else if (appData.debugMode)
17133 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17138 reformat a source message so words don't cross the width boundary. internal
17139 newlines are not removed. returns the wrapped size (no null character unless
17140 included in source message). If dest is NULL, only calculate the size required
17141 for the dest buffer. lp argument indicats line position upon entry, and it's
17142 passed back upon exit.
17145 wrap (char *dest, char *src, int count, int width, int *lp)
17147 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17149 cseq_len = strlen(cseq);
17150 old_line = line = *lp;
17151 ansi = len = clen = 0;
17153 for (i=0; i < count; i++)
17155 if (src[i] == '\033')
17158 // if we hit the width, back up
17159 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17161 // store i & len in case the word is too long
17162 old_i = i, old_len = len;
17164 // find the end of the last word
17165 while (i && src[i] != ' ' && src[i] != '\n')
17171 // word too long? restore i & len before splitting it
17172 if ((old_i-i+clen) >= width)
17179 if (i && src[i-1] == ' ')
17182 if (src[i] != ' ' && src[i] != '\n')
17189 // now append the newline and continuation sequence
17194 strncpy(dest+len, cseq, cseq_len);
17202 dest[len] = src[i];
17206 if (src[i] == '\n')
17211 if (dest && appData.debugMode)
17213 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17214 count, width, line, len, *lp);
17215 show_bytes(debugFP, src, count);
17216 fprintf(debugFP, "\ndest: ");
17217 show_bytes(debugFP, dest, len);
17218 fprintf(debugFP, "\n");
17220 *lp = dest ? line : old_line;
17225 // [HGM] vari: routines for shelving variations
17226 Boolean modeRestore = FALSE;
17229 PushInner (int firstMove, int lastMove)
17231 int i, j, nrMoves = lastMove - firstMove;
17233 // push current tail of game on stack
17234 savedResult[storedGames] = gameInfo.result;
17235 savedDetails[storedGames] = gameInfo.resultDetails;
17236 gameInfo.resultDetails = NULL;
17237 savedFirst[storedGames] = firstMove;
17238 savedLast [storedGames] = lastMove;
17239 savedFramePtr[storedGames] = framePtr;
17240 framePtr -= nrMoves; // reserve space for the boards
17241 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17242 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17243 for(j=0; j<MOVE_LEN; j++)
17244 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17245 for(j=0; j<2*MOVE_LEN; j++)
17246 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17247 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17248 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17249 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17250 pvInfoList[firstMove+i-1].depth = 0;
17251 commentList[framePtr+i] = commentList[firstMove+i];
17252 commentList[firstMove+i] = NULL;
17256 forwardMostMove = firstMove; // truncate game so we can start variation
17260 PushTail (int firstMove, int lastMove)
17262 if(appData.icsActive) { // only in local mode
17263 forwardMostMove = currentMove; // mimic old ICS behavior
17266 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17268 PushInner(firstMove, lastMove);
17269 if(storedGames == 1) GreyRevert(FALSE);
17270 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17274 PopInner (Boolean annotate)
17277 char buf[8000], moveBuf[20];
17279 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17280 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17281 nrMoves = savedLast[storedGames] - currentMove;
17284 if(!WhiteOnMove(currentMove))
17285 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17286 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17287 for(i=currentMove; i<forwardMostMove; i++) {
17289 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17290 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17291 strcat(buf, moveBuf);
17292 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17293 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17297 for(i=1; i<=nrMoves; i++) { // copy last variation back
17298 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17299 for(j=0; j<MOVE_LEN; j++)
17300 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17301 for(j=0; j<2*MOVE_LEN; j++)
17302 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17303 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17304 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17305 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17306 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17307 commentList[currentMove+i] = commentList[framePtr+i];
17308 commentList[framePtr+i] = NULL;
17310 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17311 framePtr = savedFramePtr[storedGames];
17312 gameInfo.result = savedResult[storedGames];
17313 if(gameInfo.resultDetails != NULL) {
17314 free(gameInfo.resultDetails);
17316 gameInfo.resultDetails = savedDetails[storedGames];
17317 forwardMostMove = currentMove + nrMoves;
17321 PopTail (Boolean annotate)
17323 if(appData.icsActive) return FALSE; // only in local mode
17324 if(!storedGames) return FALSE; // sanity
17325 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17327 PopInner(annotate);
17328 if(currentMove < forwardMostMove) ForwardEvent(); else
17329 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17331 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17337 { // remove all shelved variations
17339 for(i=0; i<storedGames; i++) {
17340 if(savedDetails[i])
17341 free(savedDetails[i]);
17342 savedDetails[i] = NULL;
17344 for(i=framePtr; i<MAX_MOVES; i++) {
17345 if(commentList[i]) free(commentList[i]);
17346 commentList[i] = NULL;
17348 framePtr = MAX_MOVES-1;
17353 LoadVariation (int index, char *text)
17354 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17355 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17356 int level = 0, move;
17358 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17359 // first find outermost bracketing variation
17360 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17361 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17362 if(*p == '{') wait = '}'; else
17363 if(*p == '[') wait = ']'; else
17364 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17365 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17367 if(*p == wait) wait = NULLCHAR; // closing ]} found
17370 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17371 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17372 end[1] = NULLCHAR; // clip off comment beyond variation
17373 ToNrEvent(currentMove-1);
17374 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17375 // kludge: use ParsePV() to append variation to game
17376 move = currentMove;
17377 ParsePV(start, TRUE, TRUE);
17378 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17379 ClearPremoveHighlights();
17381 ToNrEvent(currentMove+1);