2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
228 extern void ConsoleCreate();
231 ChessProgramState *WhitePlayer();
232 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
233 int VerifyDisplayMode P(());
235 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
236 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
237 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
238 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
239 void ics_update_width P((int new_width));
240 extern char installDir[MSG_SIZ];
241 VariantClass startVariant; /* [HGM] nicks: initial variant */
244 extern int tinyLayout, smallLayout;
245 ChessProgramStats programStats;
246 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
248 static int exiting = 0; /* [HGM] moved to top */
249 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
250 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
251 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
252 int partnerHighlight[2];
253 Boolean partnerBoardValid = 0;
254 char partnerStatus[MSG_SIZ];
256 Boolean originalFlip;
257 Boolean twoBoards = 0;
258 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
259 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
260 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
261 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
262 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
263 int opponentKibitzes;
264 int lastSavedGame; /* [HGM] save: ID of game */
265 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
266 extern int chatCount;
268 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
269 char lastMsg[MSG_SIZ];
270 ChessSquare pieceSweep = EmptySquare;
271 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
272 int promoDefaultAltered;
274 /* States for ics_getting_history */
276 #define H_REQUESTED 1
277 #define H_GOT_REQ_HEADER 2
278 #define H_GOT_UNREQ_HEADER 3
279 #define H_GETTING_MOVES 4
280 #define H_GOT_UNWANTED_HEADER 5
282 /* whosays values for GameEnds */
291 /* Maximum number of games in a cmail message */
292 #define CMAIL_MAX_GAMES 20
294 /* Different types of move when calling RegisterMove */
296 #define CMAIL_RESIGN 1
298 #define CMAIL_ACCEPT 3
300 /* Different types of result to remember for each game */
301 #define CMAIL_NOT_RESULT 0
302 #define CMAIL_OLD_RESULT 1
303 #define CMAIL_NEW_RESULT 2
305 /* Telnet protocol constants */
316 safeStrCpy (char *dst, const char *src, size_t count)
319 assert( dst != NULL );
320 assert( src != NULL );
323 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
324 if( i == count && dst[count-1] != NULLCHAR)
326 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
327 if(appData.debugMode)
328 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
334 /* Some compiler can't cast u64 to double
335 * This function do the job for us:
337 * We use the highest bit for cast, this only
338 * works if the highest bit is not
339 * in use (This should not happen)
341 * We used this for all compiler
344 u64ToDouble (u64 value)
347 u64 tmp = value & u64Const(0x7fffffffffffffff);
348 r = (double)(s64)tmp;
349 if (value & u64Const(0x8000000000000000))
350 r += 9.2233720368547758080e18; /* 2^63 */
354 /* Fake up flags for now, as we aren't keeping track of castling
355 availability yet. [HGM] Change of logic: the flag now only
356 indicates the type of castlings allowed by the rule of the game.
357 The actual rights themselves are maintained in the array
358 castlingRights, as part of the game history, and are not probed
364 int flags = F_ALL_CASTLE_OK;
365 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
366 switch (gameInfo.variant) {
368 flags &= ~F_ALL_CASTLE_OK;
369 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
370 flags |= F_IGNORE_CHECK;
372 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
375 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
377 case VariantKriegspiel:
378 flags |= F_KRIEGSPIEL_CAPTURE;
380 case VariantCapaRandom:
381 case VariantFischeRandom:
382 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
383 case VariantNoCastle:
384 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP, *serverFP;
397 char *currentDebugFile; // [HGM] debug split: to remember name
400 [AS] Note: sometimes, the sscanf() function is used to parse the input
401 into a fixed-size buffer. Because of this, we must be prepared to
402 receive strings as long as the size of the input buffer, which is currently
403 set to 4K for Windows and 8K for the rest.
404 So, we must either allocate sufficiently large buffers here, or
405 reduce the size of the input buffer in the input reading part.
408 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
409 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
410 char thinkOutput1[MSG_SIZ*10];
412 ChessProgramState first, second, pairing;
414 /* premove variables */
417 int premoveFromX = 0;
418 int premoveFromY = 0;
419 int premovePromoChar = 0;
421 Boolean alarmSounded;
422 /* end premove variables */
424 char *ics_prefix = "$";
425 int ics_type = ICS_GENERIC;
427 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
428 int pauseExamForwardMostMove = 0;
429 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
430 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
431 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
432 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
433 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
434 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
435 int whiteFlag = FALSE, blackFlag = FALSE;
436 int userOfferedDraw = FALSE;
437 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
438 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
439 int cmailMoveType[CMAIL_MAX_GAMES];
440 long ics_clock_paused = 0;
441 ProcRef icsPR = NoProc, cmailPR = NoProc;
442 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
443 GameMode gameMode = BeginningOfGame;
444 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
445 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
446 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
447 int hiddenThinkOutputState = 0; /* [AS] */
448 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
449 int adjudicateLossPlies = 6;
450 char white_holding[64], black_holding[64];
451 TimeMark lastNodeCountTime;
452 long lastNodeCount=0;
453 int shiftKey, controlKey; // [HGM] set by mouse handler
455 int have_sent_ICS_logon = 0;
457 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
458 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
459 Boolean adjustedClock;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
463 int matchGame = 0, nextGame = 0, roundNr = 0;
464 Boolean waitingForGame = FALSE;
465 TimeMark programStartTime, pauseStart;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 Boolean shuffleOpenings;
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void PushInner P((int firstMove, int lastMove));
504 void PopInner P((Boolean annotate));
505 void CleanupTail P((void));
507 ChessSquare FIDEArray[2][BOARD_FILES] = {
508 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackKnight, BlackRook }
514 ChessSquare twoKingsArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackKing, BlackKnight, BlackRook }
521 ChessSquare KnightmateArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
523 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
524 { BlackRook, BlackMan, BlackBishop, BlackQueen,
525 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
528 ChessSquare SpartanArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
530 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
531 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
532 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
535 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
539 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
542 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
543 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
544 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
546 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
549 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
551 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackMan, BlackFerz,
553 BlackKing, BlackMan, BlackKnight, BlackRook }
557 #if (BOARD_FILES>=10)
558 ChessSquare ShogiArray[2][BOARD_FILES] = {
559 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
560 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
561 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
562 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
565 ChessSquare XiangqiArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
567 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
569 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
572 ChessSquare CapablancaArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
576 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
579 ChessSquare GreatArray[2][BOARD_FILES] = {
580 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
581 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
582 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
583 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
586 ChessSquare JanusArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
588 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
589 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
590 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
593 ChessSquare GrandArray[2][BOARD_FILES] = {
594 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
595 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
596 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
597 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
614 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
616 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating (char *str)
650 while(*str && !isdigit(*str)) ++str;
652 return 0; /* One of the special "no rating" cases */
660 /* Init programStats */
661 programStats.movelist[0] = 0;
662 programStats.depth = 0;
663 programStats.nr_moves = 0;
664 programStats.moves_left = 0;
665 programStats.nodes = 0;
666 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
667 programStats.score = 0;
668 programStats.got_only_move = 0;
669 programStats.got_fail = 0;
670 programStats.line_is_book = 0;
675 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
676 if (appData.firstPlaysBlack) {
677 first.twoMachinesColor = "black\n";
678 second.twoMachinesColor = "white\n";
680 first.twoMachinesColor = "white\n";
681 second.twoMachinesColor = "black\n";
684 first.other = &second;
685 second.other = &first;
688 if(appData.timeOddsMode) {
689 norm = appData.timeOdds[0];
690 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
692 first.timeOdds = appData.timeOdds[0]/norm;
693 second.timeOdds = appData.timeOdds[1]/norm;
696 if(programVersion) free(programVersion);
697 if (appData.noChessProgram) {
698 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
699 sprintf(programVersion, "%s", PACKAGE_STRING);
701 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
702 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
703 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
708 UnloadEngine (ChessProgramState *cps)
710 /* Kill off first chess program */
711 if (cps->isr != NULL)
712 RemoveInputSource(cps->isr);
715 if (cps->pr != NoProc) {
717 DoSleep( appData.delayBeforeQuit );
718 SendToProgram("quit\n", cps);
719 DoSleep( appData.delayAfterQuit );
720 DestroyChildProcess(cps->pr, cps->useSigterm);
723 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
727 ClearOptions (ChessProgramState *cps)
730 cps->nrOptions = cps->comboCnt = 0;
731 for(i=0; i<MAX_OPTIONS; i++) {
732 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
733 cps->option[i].textValue = 0;
737 char *engineNames[] = {
738 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
739 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
741 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
747 InitEngine (ChessProgramState *cps, int n)
748 { // [HGM] all engine initialiation put in a function that does one engine
752 cps->which = engineNames[n];
753 cps->maybeThinking = FALSE;
757 cps->sendDrawOffers = 1;
759 cps->program = appData.chessProgram[n];
760 cps->host = appData.host[n];
761 cps->dir = appData.directory[n];
762 cps->initString = appData.engInitString[n];
763 cps->computerString = appData.computerString[n];
764 cps->useSigint = TRUE;
765 cps->useSigterm = TRUE;
766 cps->reuse = appData.reuse[n];
767 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
768 cps->useSetboard = FALSE;
770 cps->usePing = FALSE;
773 cps->usePlayother = FALSE;
774 cps->useColors = TRUE;
775 cps->useUsermove = FALSE;
776 cps->sendICS = FALSE;
777 cps->sendName = appData.icsActive;
778 cps->sdKludge = FALSE;
779 cps->stKludge = FALSE;
780 TidyProgramName(cps->program, cps->host, cps->tidy);
782 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
783 cps->analysisSupport = 2; /* detect */
784 cps->analyzing = FALSE;
785 cps->initDone = FALSE;
787 /* New features added by Tord: */
788 cps->useFEN960 = FALSE;
789 cps->useOOCastle = TRUE;
790 /* End of new features added by Tord. */
791 cps->fenOverride = appData.fenOverride[n];
793 /* [HGM] time odds: set factor for each machine */
794 cps->timeOdds = appData.timeOdds[n];
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 cps->accumulateTC = appData.accumulateTC[n];
798 cps->maxNrOfSessions = 1;
803 cps->supportsNPS = UNKNOWN;
804 cps->memSize = FALSE;
805 cps->maxCores = FALSE;
806 cps->egtFormats[0] = NULLCHAR;
809 cps->optionSettings = appData.engOptions[n];
811 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
812 cps->isUCI = appData.isUCI[n]; /* [AS] */
813 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
815 if (appData.protocolVersion[n] > PROTOVER
816 || appData.protocolVersion[n] < 1)
821 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
822 appData.protocolVersion[n]);
823 if( (len >= MSG_SIZ) && appData.debugMode )
824 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
826 DisplayFatalError(buf, 0, 2);
830 cps->protocolVersion = appData.protocolVersion[n];
833 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ParseFeatures(appData.featureDefaults, cps);
837 ChessProgramState *savCps;
843 if(WaitForEngine(savCps, LoadEngine)) return;
844 CommonEngineInit(); // recalculate time odds
845 if(gameInfo.variant != StringToVariant(appData.variant)) {
846 // we changed variant when loading the engine; this forces us to reset
847 Reset(TRUE, savCps != &first);
848 EditGameEvent(); // for consistency with other path, as Reset changes mode
850 InitChessProgram(savCps, FALSE);
851 SendToProgram("force\n", savCps);
852 DisplayMessage("", "");
853 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
854 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
860 ReplaceEngine (ChessProgramState *cps, int n)
864 appData.noChessProgram = FALSE;
865 appData.clockMode = TRUE;
868 if(n) return; // only startup first engine immediately; second can wait
869 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
873 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
874 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
876 static char resetOptions[] =
877 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
878 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
879 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
880 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
883 FloatToFront(char **list, char *engineLine)
885 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
887 if(appData.recentEngines <= 0) return;
888 TidyProgramName(engineLine, "localhost", tidy+1);
889 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
890 strncpy(buf+1, *list, MSG_SIZ-50);
891 if(p = strstr(buf, tidy)) { // tidy name appears in list
892 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
893 while(*p++ = *++q); // squeeze out
895 strcat(tidy, buf+1); // put list behind tidy name
896 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
897 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
898 ASSIGN(*list, tidy+1);
901 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
904 Load (ChessProgramState *cps, int i)
906 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
907 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
908 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
909 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
910 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
911 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
912 appData.firstProtocolVersion = PROTOVER;
913 ParseArgsFromString(buf);
915 ReplaceEngine(cps, i);
916 FloatToFront(&appData.recentEngineList, engineLine);
920 while(q = strchr(p, SLASH)) p = q+1;
921 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
922 if(engineDir[0] != NULLCHAR) {
923 ASSIGN(appData.directory[i], engineDir); p = engineName;
924 } else if(p != engineName) { // derive directory from engine path, when not given
926 ASSIGN(appData.directory[i], engineName);
928 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
929 } else { ASSIGN(appData.directory[i], "."); }
931 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
932 snprintf(command, MSG_SIZ, "%s %s", p, params);
935 ASSIGN(appData.chessProgram[i], p);
936 appData.isUCI[i] = isUCI;
937 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
938 appData.hasOwnBookUCI[i] = hasBook;
939 if(!nickName[0]) useNick = FALSE;
940 if(useNick) ASSIGN(appData.pgnName[i], nickName);
944 q = firstChessProgramNames;
945 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
946 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
948 quote, p, quote, appData.directory[i],
949 useNick ? " -fn \"" : "",
950 useNick ? nickName : "",
952 v1 ? " -firstProtocolVersion 1" : "",
953 hasBook ? "" : " -fNoOwnBookUCI",
954 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
955 storeVariant ? " -variant " : "",
956 storeVariant ? VariantName(gameInfo.variant) : "");
957 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
958 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
959 if(insert != q) insert[-1] = NULLCHAR;
960 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
962 FloatToFront(&appData.recentEngineList, buf);
964 ReplaceEngine(cps, i);
970 int matched, min, sec;
972 * Parse timeControl resource
974 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
975 appData.movesPerSession)) {
977 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
978 DisplayFatalError(buf, 0, 2);
982 * Parse searchTime resource
984 if (*appData.searchTime != NULLCHAR) {
985 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
987 searchTime = min * 60;
988 } else if (matched == 2) {
989 searchTime = min * 60 + sec;
992 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
993 DisplayFatalError(buf, 0, 2);
1002 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1003 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1005 GetTimeMark(&programStartTime);
1006 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1007 appData.seedBase = random() + (random()<<15);
1008 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1010 ClearProgramStats();
1011 programStats.ok_to_send = 1;
1012 programStats.seen_stat = 0;
1015 * Initialize game list
1021 * Internet chess server status
1023 if (appData.icsActive) {
1024 appData.matchMode = FALSE;
1025 appData.matchGames = 0;
1027 appData.noChessProgram = !appData.zippyPlay;
1029 appData.zippyPlay = FALSE;
1030 appData.zippyTalk = FALSE;
1031 appData.noChessProgram = TRUE;
1033 if (*appData.icsHelper != NULLCHAR) {
1034 appData.useTelnet = TRUE;
1035 appData.telnetProgram = appData.icsHelper;
1038 appData.zippyTalk = appData.zippyPlay = FALSE;
1041 /* [AS] Initialize pv info list [HGM] and game state */
1045 for( i=0; i<=framePtr; i++ ) {
1046 pvInfoList[i].depth = -1;
1047 boards[i][EP_STATUS] = EP_NONE;
1048 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1054 /* [AS] Adjudication threshold */
1055 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1057 InitEngine(&first, 0);
1058 InitEngine(&second, 1);
1061 pairing.which = "pairing"; // pairing engine
1062 pairing.pr = NoProc;
1064 pairing.program = appData.pairingEngine;
1065 pairing.host = "localhost";
1068 if (appData.icsActive) {
1069 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1070 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1071 appData.clockMode = FALSE;
1072 first.sendTime = second.sendTime = 0;
1076 /* Override some settings from environment variables, for backward
1077 compatibility. Unfortunately it's not feasible to have the env
1078 vars just set defaults, at least in xboard. Ugh.
1080 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1085 if (!appData.icsActive) {
1089 /* Check for variants that are supported only in ICS mode,
1090 or not at all. Some that are accepted here nevertheless
1091 have bugs; see comments below.
1093 VariantClass variant = StringToVariant(appData.variant);
1095 case VariantBughouse: /* need four players and two boards */
1096 case VariantKriegspiel: /* need to hide pieces and move details */
1097 /* case VariantFischeRandom: (Fabien: moved below) */
1098 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1099 if( (len >= MSG_SIZ) && appData.debugMode )
1100 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1102 DisplayFatalError(buf, 0, 2);
1105 case VariantUnknown:
1106 case VariantLoadable:
1116 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1117 if( (len >= MSG_SIZ) && appData.debugMode )
1118 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1120 DisplayFatalError(buf, 0, 2);
1123 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1124 case VariantFairy: /* [HGM] TestLegality definitely off! */
1125 case VariantGothic: /* [HGM] should work */
1126 case VariantCapablanca: /* [HGM] should work */
1127 case VariantCourier: /* [HGM] initial forced moves not implemented */
1128 case VariantShogi: /* [HGM] could still mate with pawn drop */
1129 case VariantKnightmate: /* [HGM] should work */
1130 case VariantCylinder: /* [HGM] untested */
1131 case VariantFalcon: /* [HGM] untested */
1132 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1133 offboard interposition not understood */
1134 case VariantNormal: /* definitely works! */
1135 case VariantWildCastle: /* pieces not automatically shuffled */
1136 case VariantNoCastle: /* pieces not automatically shuffled */
1137 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1138 case VariantLosers: /* should work except for win condition,
1139 and doesn't know captures are mandatory */
1140 case VariantSuicide: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantGiveaway: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantTwoKings: /* should work */
1145 case VariantAtomic: /* should work except for win condition */
1146 case Variant3Check: /* should work except for win condition */
1147 case VariantShatranj: /* should work except for all win conditions */
1148 case VariantMakruk: /* should work except for draw countdown */
1149 case VariantBerolina: /* might work if TestLegality is off */
1150 case VariantCapaRandom: /* should work */
1151 case VariantJanus: /* should work */
1152 case VariantSuper: /* experimental */
1153 case VariantGreat: /* experimental, requires legality testing to be off */
1154 case VariantSChess: /* S-Chess, should work */
1155 case VariantGrand: /* should work */
1156 case VariantSpartan: /* should work */
1164 NextIntegerFromString (char ** str, long * value)
1169 while( *s == ' ' || *s == '\t' ) {
1175 if( *s >= '0' && *s <= '9' ) {
1176 while( *s >= '0' && *s <= '9' ) {
1177 *value = *value * 10 + (*s - '0');
1190 NextTimeControlFromString (char ** str, long * value)
1193 int result = NextIntegerFromString( str, &temp );
1196 *value = temp * 60; /* Minutes */
1197 if( **str == ':' ) {
1199 result = NextIntegerFromString( str, &temp );
1200 *value += temp; /* Seconds */
1208 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1209 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1210 int result = -1, type = 0; long temp, temp2;
1212 if(**str != ':') return -1; // old params remain in force!
1214 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1215 if( NextIntegerFromString( str, &temp ) ) return -1;
1216 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1219 /* time only: incremental or sudden-death time control */
1220 if(**str == '+') { /* increment follows; read it */
1222 if(**str == '!') type = *(*str)++; // Bronstein TC
1223 if(result = NextIntegerFromString( str, &temp2)) return -1;
1224 *inc = temp2 * 1000;
1225 if(**str == '.') { // read fraction of increment
1226 char *start = ++(*str);
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1229 while(start++ < *str) temp2 /= 10;
1233 *moves = 0; *tc = temp * 1000; *incType = type;
1237 (*str)++; /* classical time control */
1238 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1250 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1251 { /* [HGM] get time to add from the multi-session time-control string */
1252 int incType, moves=1; /* kludge to force reading of first session */
1253 long time, increment;
1256 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1258 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1259 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1260 if(movenr == -1) return time; /* last move before new session */
1261 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1262 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1263 if(!moves) return increment; /* current session is incremental */
1264 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1265 } while(movenr >= -1); /* try again for next session */
1267 return 0; // no new time quota on this move
1271 ParseTimeControl (char *tc, float ti, int mps)
1275 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1278 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1279 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1280 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1284 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1286 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1291 snprintf(buf, MSG_SIZ, ":%s", mytc);
1293 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1295 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1300 /* Parse second time control */
1303 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1311 timeControl_2 = tc2 * 1000;
1321 timeControl = tc1 * 1000;
1324 timeIncrement = ti * 1000; /* convert to ms */
1325 movesPerSession = 0;
1328 movesPerSession = mps;
1336 if (appData.debugMode) {
1337 fprintf(debugFP, "%s\n", programVersion);
1339 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1341 set_cont_sequence(appData.wrapContSeq);
1342 if (appData.matchGames > 0) {
1343 appData.matchMode = TRUE;
1344 } else if (appData.matchMode) {
1345 appData.matchGames = 1;
1347 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1348 appData.matchGames = appData.sameColorGames;
1349 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1350 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1351 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1354 if (appData.noChessProgram || first.protocolVersion == 1) {
1357 /* kludge: allow timeout for initial "feature" commands */
1359 DisplayMessage("", _("Starting chess program"));
1360 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1365 CalculateIndex (int index, int gameNr)
1366 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1368 if(index > 0) return index; // fixed nmber
1369 if(index == 0) return 1;
1370 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1371 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1376 LoadGameOrPosition (int gameNr)
1377 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1378 if (*appData.loadGameFile != NULLCHAR) {
1379 if (!LoadGameFromFile(appData.loadGameFile,
1380 CalculateIndex(appData.loadGameIndex, gameNr),
1381 appData.loadGameFile, FALSE)) {
1382 DisplayFatalError(_("Bad game file"), 0, 1);
1385 } else if (*appData.loadPositionFile != NULLCHAR) {
1386 if (!LoadPositionFromFile(appData.loadPositionFile,
1387 CalculateIndex(appData.loadPositionIndex, gameNr),
1388 appData.loadPositionFile)) {
1389 DisplayFatalError(_("Bad position file"), 0, 1);
1397 ReserveGame (int gameNr, char resChar)
1399 FILE *tf = fopen(appData.tourneyFile, "r+");
1400 char *p, *q, c, buf[MSG_SIZ];
1401 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1402 safeStrCpy(buf, lastMsg, MSG_SIZ);
1403 DisplayMessage(_("Pick new game"), "");
1404 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1405 ParseArgsFromFile(tf);
1406 p = q = appData.results;
1407 if(appData.debugMode) {
1408 char *r = appData.participants;
1409 fprintf(debugFP, "results = '%s'\n", p);
1410 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1411 fprintf(debugFP, "\n");
1413 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1415 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1416 safeStrCpy(q, p, strlen(p) + 2);
1417 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1418 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1420 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1423 fseek(tf, -(strlen(p)+4), SEEK_END);
1425 if(c != '"') // depending on DOS or Unix line endings we can be one off
1426 fseek(tf, -(strlen(p)+2), SEEK_END);
1427 else fseek(tf, -(strlen(p)+3), SEEK_END);
1428 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1429 DisplayMessage(buf, "");
1430 free(p); appData.results = q;
1431 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1432 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1433 int round = appData.defaultMatchGames * appData.tourneyType;
1434 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1435 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1436 UnloadEngine(&first); // next game belongs to other pairing;
1437 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1439 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1443 MatchEvent (int mode)
1444 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1446 if(matchMode) { // already in match mode: switch it off
1448 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1451 // if(gameMode != BeginningOfGame) {
1452 // DisplayError(_("You can only start a match from the initial position."), 0);
1456 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1457 /* Set up machine vs. machine match */
1459 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1460 if(appData.tourneyFile[0]) {
1462 if(nextGame > appData.matchGames) {
1464 if(strchr(appData.results, '*') == NULL) {
1466 appData.tourneyCycles++;
1467 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1469 NextTourneyGame(-1, &dummy);
1471 if(nextGame <= appData.matchGames) {
1472 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1474 ScheduleDelayedEvent(NextMatchGame, 10000);
1479 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1480 DisplayError(buf, 0);
1481 appData.tourneyFile[0] = 0;
1485 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1486 DisplayFatalError(_("Can't have a match with no chess programs"),
1491 matchGame = roundNr = 1;
1492 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1496 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1499 InitBackEnd3 P((void))
1501 GameMode initialMode;
1505 InitChessProgram(&first, startedFromSetupPosition);
1507 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1508 free(programVersion);
1509 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1510 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1511 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1514 if (appData.icsActive) {
1516 /* [DM] Make a console window if needed [HGM] merged ifs */
1522 if (*appData.icsCommPort != NULLCHAR)
1523 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1524 appData.icsCommPort);
1526 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1527 appData.icsHost, appData.icsPort);
1529 if( (len >= MSG_SIZ) && appData.debugMode )
1530 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1532 DisplayFatalError(buf, err, 1);
1537 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1539 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1540 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1541 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1542 } else if (appData.noChessProgram) {
1548 if (*appData.cmailGameName != NULLCHAR) {
1550 OpenLoopback(&cmailPR);
1552 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1556 DisplayMessage("", "");
1557 if (StrCaseCmp(appData.initialMode, "") == 0) {
1558 initialMode = BeginningOfGame;
1559 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1560 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1561 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1562 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1565 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1566 initialMode = TwoMachinesPlay;
1567 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1568 initialMode = AnalyzeFile;
1569 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1570 initialMode = AnalyzeMode;
1571 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1572 initialMode = MachinePlaysWhite;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1574 initialMode = MachinePlaysBlack;
1575 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1576 initialMode = EditGame;
1577 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1578 initialMode = EditPosition;
1579 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1580 initialMode = Training;
1582 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1583 if( (len >= MSG_SIZ) && appData.debugMode )
1584 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1586 DisplayFatalError(buf, 0, 2);
1590 if (appData.matchMode) {
1591 if(appData.tourneyFile[0]) { // start tourney from command line
1593 if(f = fopen(appData.tourneyFile, "r")) {
1594 ParseArgsFromFile(f); // make sure tourney parmeters re known
1596 appData.clockMode = TRUE;
1598 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1601 } else if (*appData.cmailGameName != NULLCHAR) {
1602 /* Set up cmail mode */
1603 ReloadCmailMsgEvent(TRUE);
1605 /* Set up other modes */
1606 if (initialMode == AnalyzeFile) {
1607 if (*appData.loadGameFile == NULLCHAR) {
1608 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1612 if (*appData.loadGameFile != NULLCHAR) {
1613 (void) LoadGameFromFile(appData.loadGameFile,
1614 appData.loadGameIndex,
1615 appData.loadGameFile, TRUE);
1616 } else if (*appData.loadPositionFile != NULLCHAR) {
1617 (void) LoadPositionFromFile(appData.loadPositionFile,
1618 appData.loadPositionIndex,
1619 appData.loadPositionFile);
1620 /* [HGM] try to make self-starting even after FEN load */
1621 /* to allow automatic setup of fairy variants with wtm */
1622 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1623 gameMode = BeginningOfGame;
1624 setboardSpoiledMachineBlack = 1;
1626 /* [HGM] loadPos: make that every new game uses the setup */
1627 /* from file as long as we do not switch variant */
1628 if(!blackPlaysFirst) {
1629 startedFromPositionFile = TRUE;
1630 CopyBoard(filePosition, boards[0]);
1633 if (initialMode == AnalyzeMode) {
1634 if (appData.noChessProgram) {
1635 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1638 if (appData.icsActive) {
1639 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1643 } else if (initialMode == AnalyzeFile) {
1644 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1645 ShowThinkingEvent();
1647 AnalysisPeriodicEvent(1);
1648 } else if (initialMode == MachinePlaysWhite) {
1649 if (appData.noChessProgram) {
1650 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1659 MachineWhiteEvent();
1660 } else if (initialMode == MachinePlaysBlack) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1666 if (appData.icsActive) {
1667 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1671 MachineBlackEvent();
1672 } else if (initialMode == TwoMachinesPlay) {
1673 if (appData.noChessProgram) {
1674 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1678 if (appData.icsActive) {
1679 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1684 } else if (initialMode == EditGame) {
1686 } else if (initialMode == EditPosition) {
1687 EditPositionEvent();
1688 } else if (initialMode == Training) {
1689 if (*appData.loadGameFile == NULLCHAR) {
1690 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1699 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1701 DisplayBook(current+1);
1703 MoveHistorySet( movelist, first, last, current, pvInfoList );
1705 EvalGraphSet( first, last, current, pvInfoList );
1707 MakeEngineOutputTitle();
1711 * Establish will establish a contact to a remote host.port.
1712 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1713 * used to talk to the host.
1714 * Returns 0 if okay, error code if not.
1721 if (*appData.icsCommPort != NULLCHAR) {
1722 /* Talk to the host through a serial comm port */
1723 return OpenCommPort(appData.icsCommPort, &icsPR);
1725 } else if (*appData.gateway != NULLCHAR) {
1726 if (*appData.remoteShell == NULLCHAR) {
1727 /* Use the rcmd protocol to run telnet program on a gateway host */
1728 snprintf(buf, sizeof(buf), "%s %s %s",
1729 appData.telnetProgram, appData.icsHost, appData.icsPort);
1730 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1733 /* Use the rsh program to run telnet program on a gateway host */
1734 if (*appData.remoteUser == NULLCHAR) {
1735 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1736 appData.gateway, appData.telnetProgram,
1737 appData.icsHost, appData.icsPort);
1739 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1740 appData.remoteShell, appData.gateway,
1741 appData.remoteUser, appData.telnetProgram,
1742 appData.icsHost, appData.icsPort);
1744 return StartChildProcess(buf, "", &icsPR);
1747 } else if (appData.useTelnet) {
1748 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1751 /* TCP socket interface differs somewhat between
1752 Unix and NT; handle details in the front end.
1754 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1759 EscapeExpand (char *p, char *q)
1760 { // [HGM] initstring: routine to shape up string arguments
1761 while(*p++ = *q++) if(p[-1] == '\\')
1763 case 'n': p[-1] = '\n'; break;
1764 case 'r': p[-1] = '\r'; break;
1765 case 't': p[-1] = '\t'; break;
1766 case '\\': p[-1] = '\\'; break;
1767 case 0: *p = 0; return;
1768 default: p[-1] = q[-1]; break;
1773 show_bytes (FILE *fp, char *buf, int count)
1776 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1777 fprintf(fp, "\\%03o", *buf & 0xff);
1786 /* Returns an errno value */
1788 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1790 char buf[8192], *p, *q, *buflim;
1791 int left, newcount, outcount;
1793 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1794 *appData.gateway != NULLCHAR) {
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, message, count);
1798 fprintf(debugFP, "\n");
1800 return OutputToProcess(pr, message, count, outError);
1803 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1810 if (appData.debugMode) {
1811 fprintf(debugFP, ">ICS: ");
1812 show_bytes(debugFP, buf, newcount);
1813 fprintf(debugFP, "\n");
1815 outcount = OutputToProcess(pr, buf, newcount, outError);
1816 if (outcount < newcount) return -1; /* to be sure */
1823 } else if (((unsigned char) *p) == TN_IAC) {
1824 *q++ = (char) TN_IAC;
1831 if (appData.debugMode) {
1832 fprintf(debugFP, ">ICS: ");
1833 show_bytes(debugFP, buf, newcount);
1834 fprintf(debugFP, "\n");
1836 outcount = OutputToProcess(pr, buf, newcount, outError);
1837 if (outcount < newcount) return -1; /* to be sure */
1842 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1844 int outError, outCount;
1845 static int gotEof = 0;
1847 /* Pass data read from player on to ICS */
1850 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 } else if (count < 0) {
1855 RemoveInputSource(isr);
1856 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1857 } else if (gotEof++ > 0) {
1858 RemoveInputSource(isr);
1859 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1865 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1866 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1867 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1868 SendToICS("date\n");
1869 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1872 /* added routine for printf style output to ics */
1874 ics_printf (char *format, ...)
1876 char buffer[MSG_SIZ];
1879 va_start(args, format);
1880 vsnprintf(buffer, sizeof(buffer), format, args);
1881 buffer[sizeof(buffer)-1] = '\0';
1889 int count, outCount, outError;
1891 if (icsPR == NoProc) return;
1894 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1895 if (outCount < count) {
1896 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 /* This is used for sending logon scripts to the ICS. Sending
1901 without a delay causes problems when using timestamp on ICC
1902 (at least on my machine). */
1904 SendToICSDelayed (char *s, long msdelay)
1906 int count, outCount, outError;
1908 if (icsPR == NoProc) return;
1911 if (appData.debugMode) {
1912 fprintf(debugFP, ">ICS: ");
1913 show_bytes(debugFP, s, count);
1914 fprintf(debugFP, "\n");
1916 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1918 if (outCount < count) {
1919 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1924 /* Remove all highlighting escape sequences in s
1925 Also deletes any suffix starting with '('
1928 StripHighlightAndTitle (char *s)
1930 static char retbuf[MSG_SIZ];
1933 while (*s != NULLCHAR) {
1934 while (*s == '\033') {
1935 while (*s != NULLCHAR && !isalpha(*s)) s++;
1936 if (*s != NULLCHAR) s++;
1938 while (*s != NULLCHAR && *s != '\033') {
1939 if (*s == '(' || *s == '[') {
1950 /* Remove all highlighting escape sequences in s */
1952 StripHighlight (char *s)
1954 static char retbuf[MSG_SIZ];
1957 while (*s != NULLCHAR) {
1958 while (*s == '\033') {
1959 while (*s != NULLCHAR && !isalpha(*s)) s++;
1960 if (*s != NULLCHAR) s++;
1962 while (*s != NULLCHAR && *s != '\033') {
1970 char *variantNames[] = VARIANT_NAMES;
1972 VariantName (VariantClass v)
1974 return variantNames[v];
1978 /* Identify a variant from the strings the chess servers use or the
1979 PGN Variant tag names we use. */
1981 StringToVariant (char *e)
1985 VariantClass v = VariantNormal;
1986 int i, found = FALSE;
1992 /* [HGM] skip over optional board-size prefixes */
1993 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1994 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1995 while( *e++ != '_');
1998 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2002 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2003 if (StrCaseStr(e, variantNames[i])) {
2004 v = (VariantClass) i;
2011 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2012 || StrCaseStr(e, "wild/fr")
2013 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2014 v = VariantFischeRandom;
2015 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2016 (i = 1, p = StrCaseStr(e, "w"))) {
2018 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2025 case 0: /* FICS only, actually */
2027 /* Castling legal even if K starts on d-file */
2028 v = VariantWildCastle;
2033 /* Castling illegal even if K & R happen to start in
2034 normal positions. */
2035 v = VariantNoCastle;
2048 /* Castling legal iff K & R start in normal positions */
2054 /* Special wilds for position setup; unclear what to do here */
2055 v = VariantLoadable;
2058 /* Bizarre ICC game */
2059 v = VariantTwoKings;
2062 v = VariantKriegspiel;
2068 v = VariantFischeRandom;
2071 v = VariantCrazyhouse;
2074 v = VariantBughouse;
2080 /* Not quite the same as FICS suicide! */
2081 v = VariantGiveaway;
2087 v = VariantShatranj;
2090 /* Temporary names for future ICC types. The name *will* change in
2091 the next xboard/WinBoard release after ICC defines it. */
2129 v = VariantCapablanca;
2132 v = VariantKnightmate;
2138 v = VariantCylinder;
2144 v = VariantCapaRandom;
2147 v = VariantBerolina;
2159 /* Found "wild" or "w" in the string but no number;
2160 must assume it's normal chess. */
2164 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2165 if( (len >= MSG_SIZ) && appData.debugMode )
2166 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2168 DisplayError(buf, 0);
2174 if (appData.debugMode) {
2175 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2176 e, wnum, VariantName(v));
2181 static int leftover_start = 0, leftover_len = 0;
2182 char star_match[STAR_MATCH_N][MSG_SIZ];
2184 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2185 advance *index beyond it, and set leftover_start to the new value of
2186 *index; else return FALSE. If pattern contains the character '*', it
2187 matches any sequence of characters not containing '\r', '\n', or the
2188 character following the '*' (if any), and the matched sequence(s) are
2189 copied into star_match.
2192 looking_at ( char *buf, int *index, char *pattern)
2194 char *bufp = &buf[*index], *patternp = pattern;
2196 char *matchp = star_match[0];
2199 if (*patternp == NULLCHAR) {
2200 *index = leftover_start = bufp - buf;
2204 if (*bufp == NULLCHAR) return FALSE;
2205 if (*patternp == '*') {
2206 if (*bufp == *(patternp + 1)) {
2208 matchp = star_match[++star_count];
2212 } else if (*bufp == '\n' || *bufp == '\r') {
2214 if (*patternp == NULLCHAR)
2219 *matchp++ = *bufp++;
2223 if (*patternp != *bufp) return FALSE;
2230 SendToPlayer (char *data, int length)
2232 int error, outCount;
2233 outCount = OutputToProcess(NoProc, data, length, &error);
2234 if (outCount < length) {
2235 DisplayFatalError(_("Error writing to display"), error, 1);
2240 PackHolding (char packed[], char *holding)
2250 switch (runlength) {
2261 sprintf(q, "%d", runlength);
2273 /* Telnet protocol requests from the front end */
2275 TelnetRequest (unsigned char ddww, unsigned char option)
2277 unsigned char msg[3];
2278 int outCount, outError;
2280 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2282 if (appData.debugMode) {
2283 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2299 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2308 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2311 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2316 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2318 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DO, TN_ECHO);
2332 if (!appData.icsActive) return;
2333 TelnetRequest(TN_DONT, TN_ECHO);
2337 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2339 /* put the holdings sent to us by the server on the board holdings area */
2340 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2344 if(gameInfo.holdingsWidth < 2) return;
2345 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2346 return; // prevent overwriting by pre-board holdings
2348 if( (int)lowestPiece >= BlackPawn ) {
2351 holdingsStartRow = BOARD_HEIGHT-1;
2354 holdingsColumn = BOARD_WIDTH-1;
2355 countsColumn = BOARD_WIDTH-2;
2356 holdingsStartRow = 0;
2360 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2361 board[i][holdingsColumn] = EmptySquare;
2362 board[i][countsColumn] = (ChessSquare) 0;
2364 while( (p=*holdings++) != NULLCHAR ) {
2365 piece = CharToPiece( ToUpper(p) );
2366 if(piece == EmptySquare) continue;
2367 /*j = (int) piece - (int) WhitePawn;*/
2368 j = PieceToNumber(piece);
2369 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2370 if(j < 0) continue; /* should not happen */
2371 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2372 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2373 board[holdingsStartRow+j*direction][countsColumn]++;
2379 VariantSwitch (Board board, VariantClass newVariant)
2381 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2382 static Board oldBoard;
2384 startedFromPositionFile = FALSE;
2385 if(gameInfo.variant == newVariant) return;
2387 /* [HGM] This routine is called each time an assignment is made to
2388 * gameInfo.variant during a game, to make sure the board sizes
2389 * are set to match the new variant. If that means adding or deleting
2390 * holdings, we shift the playing board accordingly
2391 * This kludge is needed because in ICS observe mode, we get boards
2392 * of an ongoing game without knowing the variant, and learn about the
2393 * latter only later. This can be because of the move list we requested,
2394 * in which case the game history is refilled from the beginning anyway,
2395 * but also when receiving holdings of a crazyhouse game. In the latter
2396 * case we want to add those holdings to the already received position.
2400 if (appData.debugMode) {
2401 fprintf(debugFP, "Switch board from %s to %s\n",
2402 VariantName(gameInfo.variant), VariantName(newVariant));
2403 setbuf(debugFP, NULL);
2405 shuffleOpenings = 0; /* [HGM] shuffle */
2406 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2410 newWidth = 9; newHeight = 9;
2411 gameInfo.holdingsSize = 7;
2412 case VariantBughouse:
2413 case VariantCrazyhouse:
2414 newHoldingsWidth = 2; break;
2418 newHoldingsWidth = 2;
2419 gameInfo.holdingsSize = 8;
2422 case VariantCapablanca:
2423 case VariantCapaRandom:
2426 newHoldingsWidth = gameInfo.holdingsSize = 0;
2429 if(newWidth != gameInfo.boardWidth ||
2430 newHeight != gameInfo.boardHeight ||
2431 newHoldingsWidth != gameInfo.holdingsWidth ) {
2433 /* shift position to new playing area, if needed */
2434 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 for(i=0; i<newHeight; i++) {
2440 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2441 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2443 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2444 for(i=0; i<BOARD_HEIGHT; i++)
2445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2446 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2449 gameInfo.boardWidth = newWidth;
2450 gameInfo.boardHeight = newHeight;
2451 gameInfo.holdingsWidth = newHoldingsWidth;
2452 gameInfo.variant = newVariant;
2453 InitDrawingSizes(-2, 0);
2454 } else gameInfo.variant = newVariant;
2455 CopyBoard(oldBoard, board); // remember correctly formatted board
2456 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2457 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2460 static int loggedOn = FALSE;
2462 /*-- Game start info cache: --*/
2464 char gs_kind[MSG_SIZ];
2465 static char player1Name[128] = "";
2466 static char player2Name[128] = "";
2467 static char cont_seq[] = "\n\\ ";
2468 static int player1Rating = -1;
2469 static int player2Rating = -1;
2470 /*----------------------------*/
2472 ColorClass curColor = ColorNormal;
2473 int suppressKibitz = 0;
2476 Boolean soughtPending = FALSE;
2477 Boolean seekGraphUp;
2478 #define MAX_SEEK_ADS 200
2480 char *seekAdList[MAX_SEEK_ADS];
2481 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2482 float tcList[MAX_SEEK_ADS];
2483 char colorList[MAX_SEEK_ADS];
2484 int nrOfSeekAds = 0;
2485 int minRating = 1010, maxRating = 2800;
2486 int hMargin = 10, vMargin = 20, h, w;
2487 extern int squareSize, lineGap;
2492 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2493 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2494 if(r < minRating+100 && r >=0 ) r = minRating+100;
2495 if(r > maxRating) r = maxRating;
2496 if(tc < 1.) tc = 1.;
2497 if(tc > 95.) tc = 95.;
2498 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2499 y = ((double)r - minRating)/(maxRating - minRating)
2500 * (h-vMargin-squareSize/8-1) + vMargin;
2501 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2502 if(strstr(seekAdList[i], " u ")) color = 1;
2503 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2504 !strstr(seekAdList[i], "bullet") &&
2505 !strstr(seekAdList[i], "blitz") &&
2506 !strstr(seekAdList[i], "standard") ) color = 2;
2507 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2508 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2512 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2514 char buf[MSG_SIZ], *ext = "";
2515 VariantClass v = StringToVariant(type);
2516 if(strstr(type, "wild")) {
2517 ext = type + 4; // append wild number
2518 if(v == VariantFischeRandom) type = "chess960"; else
2519 if(v == VariantLoadable) type = "setup"; else
2520 type = VariantName(v);
2522 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2523 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2524 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2525 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2526 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2527 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2528 seekNrList[nrOfSeekAds] = nr;
2529 zList[nrOfSeekAds] = 0;
2530 seekAdList[nrOfSeekAds++] = StrSave(buf);
2531 if(plot) PlotSeekAd(nrOfSeekAds-1);
2536 EraseSeekDot (int i)
2538 int x = xList[i], y = yList[i], d=squareSize/4, k;
2539 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2540 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2541 // now replot every dot that overlapped
2542 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2543 int xx = xList[k], yy = yList[k];
2544 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2545 DrawSeekDot(xx, yy, colorList[k]);
2550 RemoveSeekAd (int nr)
2553 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2555 if(seekAdList[i]) free(seekAdList[i]);
2556 seekAdList[i] = seekAdList[--nrOfSeekAds];
2557 seekNrList[i] = seekNrList[nrOfSeekAds];
2558 ratingList[i] = ratingList[nrOfSeekAds];
2559 colorList[i] = colorList[nrOfSeekAds];
2560 tcList[i] = tcList[nrOfSeekAds];
2561 xList[i] = xList[nrOfSeekAds];
2562 yList[i] = yList[nrOfSeekAds];
2563 zList[i] = zList[nrOfSeekAds];
2564 seekAdList[nrOfSeekAds] = NULL;
2570 MatchSoughtLine (char *line)
2572 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2573 int nr, base, inc, u=0; char dummy;
2575 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2576 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2578 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2579 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2580 // match: compact and save the line
2581 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2591 if(!seekGraphUp) return FALSE;
2592 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2593 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2595 DrawSeekBackground(0, 0, w, h);
2596 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2597 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2598 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2599 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2601 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2608 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2609 for(i=1; i<100; i+=(i<10?1:5)) {
2610 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2611 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2612 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2614 snprintf(buf, MSG_SIZ, "%d", i);
2615 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2618 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2623 SeekGraphClick (ClickType click, int x, int y, int moving)
2625 static int lastDown = 0, displayed = 0, lastSecond;
2626 if(y < 0) return FALSE;
2627 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2628 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2629 if(!seekGraphUp) return FALSE;
2630 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2631 DrawPosition(TRUE, NULL);
2634 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2635 if(click == Release || moving) return FALSE;
2637 soughtPending = TRUE;
2638 SendToICS(ics_prefix);
2639 SendToICS("sought\n"); // should this be "sought all"?
2640 } else { // issue challenge based on clicked ad
2641 int dist = 10000; int i, closest = 0, second = 0;
2642 for(i=0; i<nrOfSeekAds; i++) {
2643 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2644 if(d < dist) { dist = d; closest = i; }
2645 second += (d - zList[i] < 120); // count in-range ads
2646 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2650 second = (second > 1);
2651 if(displayed != closest || second != lastSecond) {
2652 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2653 lastSecond = second; displayed = closest;
2655 if(click == Press) {
2656 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2659 } // on press 'hit', only show info
2660 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2661 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2662 SendToICS(ics_prefix);
2664 return TRUE; // let incoming board of started game pop down the graph
2665 } else if(click == Release) { // release 'miss' is ignored
2666 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2667 if(moving == 2) { // right up-click
2668 nrOfSeekAds = 0; // refresh graph
2669 soughtPending = TRUE;
2670 SendToICS(ics_prefix);
2671 SendToICS("sought\n"); // should this be "sought all"?
2674 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2675 // press miss or release hit 'pop down' seek graph
2676 seekGraphUp = FALSE;
2677 DrawPosition(TRUE, NULL);
2683 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2685 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2686 #define STARTED_NONE 0
2687 #define STARTED_MOVES 1
2688 #define STARTED_BOARD 2
2689 #define STARTED_OBSERVE 3
2690 #define STARTED_HOLDINGS 4
2691 #define STARTED_CHATTER 5
2692 #define STARTED_COMMENT 6
2693 #define STARTED_MOVES_NOHIDE 7
2695 static int started = STARTED_NONE;
2696 static char parse[20000];
2697 static int parse_pos = 0;
2698 static char buf[BUF_SIZE + 1];
2699 static int firstTime = TRUE, intfSet = FALSE;
2700 static ColorClass prevColor = ColorNormal;
2701 static int savingComment = FALSE;
2702 static int cmatch = 0; // continuation sequence match
2709 int backup; /* [DM] For zippy color lines */
2711 char talker[MSG_SIZ]; // [HGM] chat
2714 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2716 if (appData.debugMode) {
2718 fprintf(debugFP, "<ICS: ");
2719 show_bytes(debugFP, data, count);
2720 fprintf(debugFP, "\n");
2724 if (appData.debugMode) { int f = forwardMostMove;
2725 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2726 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2727 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2730 /* If last read ended with a partial line that we couldn't parse,
2731 prepend it to the new read and try again. */
2732 if (leftover_len > 0) {
2733 for (i=0; i<leftover_len; i++)
2734 buf[i] = buf[leftover_start + i];
2737 /* copy new characters into the buffer */
2738 bp = buf + leftover_len;
2739 buf_len=leftover_len;
2740 for (i=0; i<count; i++)
2743 if (data[i] == '\r')
2746 // join lines split by ICS?
2747 if (!appData.noJoin)
2750 Joining just consists of finding matches against the
2751 continuation sequence, and discarding that sequence
2752 if found instead of copying it. So, until a match
2753 fails, there's nothing to do since it might be the
2754 complete sequence, and thus, something we don't want
2757 if (data[i] == cont_seq[cmatch])
2760 if (cmatch == strlen(cont_seq))
2762 cmatch = 0; // complete match. just reset the counter
2765 it's possible for the ICS to not include the space
2766 at the end of the last word, making our [correct]
2767 join operation fuse two separate words. the server
2768 does this when the space occurs at the width setting.
2770 if (!buf_len || buf[buf_len-1] != ' ')
2781 match failed, so we have to copy what matched before
2782 falling through and copying this character. In reality,
2783 this will only ever be just the newline character, but
2784 it doesn't hurt to be precise.
2786 strncpy(bp, cont_seq, cmatch);
2798 buf[buf_len] = NULLCHAR;
2799 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2804 while (i < buf_len) {
2805 /* Deal with part of the TELNET option negotiation
2806 protocol. We refuse to do anything beyond the
2807 defaults, except that we allow the WILL ECHO option,
2808 which ICS uses to turn off password echoing when we are
2809 directly connected to it. We reject this option
2810 if localLineEditing mode is on (always on in xboard)
2811 and we are talking to port 23, which might be a real
2812 telnet server that will try to keep WILL ECHO on permanently.
2814 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2815 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2816 unsigned char option;
2818 switch ((unsigned char) buf[++i]) {
2820 if (appData.debugMode)
2821 fprintf(debugFP, "\n<WILL ");
2822 switch (option = (unsigned char) buf[++i]) {
2824 if (appData.debugMode)
2825 fprintf(debugFP, "ECHO ");
2826 /* Reply only if this is a change, according
2827 to the protocol rules. */
2828 if (remoteEchoOption) break;
2829 if (appData.localLineEditing &&
2830 atoi(appData.icsPort) == TN_PORT) {
2831 TelnetRequest(TN_DONT, TN_ECHO);
2834 TelnetRequest(TN_DO, TN_ECHO);
2835 remoteEchoOption = TRUE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we don't want it. */
2842 TelnetRequest(TN_DONT, option);
2847 if (appData.debugMode)
2848 fprintf(debugFP, "\n<WONT ");
2849 switch (option = (unsigned char) buf[++i]) {
2851 if (appData.debugMode)
2852 fprintf(debugFP, "ECHO ");
2853 /* Reply only if this is a change, according
2854 to the protocol rules. */
2855 if (!remoteEchoOption) break;
2857 TelnetRequest(TN_DONT, TN_ECHO);
2858 remoteEchoOption = FALSE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", (unsigned char) option);
2863 /* Whatever this is, it must already be turned
2864 off, because we never agree to turn on
2865 anything non-default, so according to the
2866 protocol rules, we don't reply. */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DO ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 /* Whatever this is, we refuse to do it. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 TelnetRequest(TN_WONT, option);
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DONT ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 if (appData.debugMode)
2888 fprintf(debugFP, "%d ", option);
2889 /* Whatever this is, we are already not doing
2890 it, because we never agree to do anything
2891 non-default, so according to the protocol
2892 rules, we don't reply. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "\n<IAC ");
2899 /* Doubled IAC; pass it through */
2903 if (appData.debugMode)
2904 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2905 /* Drop all other telnet commands on the floor */
2908 if (oldi > next_out)
2909 SendToPlayer(&buf[next_out], oldi - next_out);
2915 /* OK, this at least will *usually* work */
2916 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2920 if (loggedOn && !intfSet) {
2921 if (ics_type == ICS_ICC) {
2922 snprintf(str, MSG_SIZ,
2923 "/set-quietly interface %s\n/set-quietly style 12\n",
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "/set-2 51 1\n/set seek 1\n");
2927 } else if (ics_type == ICS_CHESSNET) {
2928 snprintf(str, MSG_SIZ, "/style 12\n");
2930 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2931 strcat(str, programVersion);
2932 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2933 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2934 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2936 strcat(str, "$iset nohighlight 1\n");
2938 strcat(str, "$iset lock 1\n$style 12\n");
2941 NotifyFrontendLogin();
2945 if (started == STARTED_COMMENT) {
2946 /* Accumulate characters in comment */
2947 parse[parse_pos++] = buf[i];
2948 if (buf[i] == '\n') {
2949 parse[parse_pos] = NULLCHAR;
2950 if(chattingPartner>=0) {
2952 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2953 OutputChatMessage(chattingPartner, mess);
2954 chattingPartner = -1;
2955 next_out = i+1; // [HGM] suppress printing in ICS window
2957 if(!suppressKibitz) // [HGM] kibitz
2958 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2959 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2960 int nrDigit = 0, nrAlph = 0, j;
2961 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2962 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2963 parse[parse_pos] = NULLCHAR;
2964 // try to be smart: if it does not look like search info, it should go to
2965 // ICS interaction window after all, not to engine-output window.
2966 for(j=0; j<parse_pos; j++) { // count letters and digits
2967 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2968 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2969 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2971 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2972 int depth=0; float score;
2973 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2974 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2975 pvInfoList[forwardMostMove-1].depth = depth;
2976 pvInfoList[forwardMostMove-1].score = 100*score;
2978 OutputKibitz(suppressKibitz, parse);
2981 if(gameMode == IcsObserving) // restore original ICS messages
2982 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2984 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2985 SendToPlayer(tmp, strlen(tmp));
2987 next_out = i+1; // [HGM] suppress printing in ICS window
2989 started = STARTED_NONE;
2991 /* Don't match patterns against characters in comment */
2996 if (started == STARTED_CHATTER) {
2997 if (buf[i] != '\n') {
2998 /* Don't match patterns against characters in chatter */
3002 started = STARTED_NONE;
3003 if(suppressKibitz) next_out = i+1;
3006 /* Kludge to deal with rcmd protocol */
3007 if (firstTime && looking_at(buf, &i, "\001*")) {
3008 DisplayFatalError(&buf[1], 0, 1);
3014 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3022 ics_type = ICS_FICS;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3028 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3029 ics_type = ICS_CHESSNET;
3031 if (appData.debugMode)
3032 fprintf(debugFP, "ics_type %d\n", ics_type);
3037 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3038 looking_at(buf, &i, "Logging you in as \"*\"") ||
3039 looking_at(buf, &i, "will be \"*\""))) {
3040 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3044 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3046 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3047 DisplayIcsInteractionTitle(buf);
3048 have_set_title = TRUE;
3051 /* skip finger notes */
3052 if (started == STARTED_NONE &&
3053 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3054 (buf[i] == '1' && buf[i+1] == '0')) &&
3055 buf[i+2] == ':' && buf[i+3] == ' ') {
3056 started = STARTED_CHATTER;
3062 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3063 if(appData.seekGraph) {
3064 if(soughtPending && MatchSoughtLine(buf+i)) {
3065 i = strstr(buf+i, "rated") - buf;
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = leftover_start = i;
3068 started = STARTED_CHATTER;
3069 suppressKibitz = TRUE;
3072 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3073 && looking_at(buf, &i, "* ads displayed")) {
3074 soughtPending = FALSE;
3079 if(appData.autoRefresh) {
3080 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3081 int s = (ics_type == ICS_ICC); // ICC format differs
3083 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3084 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3085 looking_at(buf, &i, "*% "); // eat prompt
3086 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = i; // suppress
3091 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3092 char *p = star_match[0];
3094 if(seekGraphUp) RemoveSeekAd(atoi(p));
3095 while(*p && *p++ != ' '); // next
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3105 /* skip formula vars */
3106 if (started == STARTED_NONE &&
3107 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3108 started = STARTED_CHATTER;
3113 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3114 if (appData.autoKibitz && started == STARTED_NONE &&
3115 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3116 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3117 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3118 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3119 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3120 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3121 suppressKibitz = TRUE;
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3124 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3125 && (gameMode == IcsPlayingWhite)) ||
3126 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3127 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3128 started = STARTED_CHATTER; // own kibitz we simply discard
3130 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3131 parse_pos = 0; parse[0] = NULLCHAR;
3132 savingComment = TRUE;
3133 suppressKibitz = gameMode != IcsObserving ? 2 :
3134 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3138 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3139 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3140 && atoi(star_match[0])) {
3141 // suppress the acknowledgements of our own autoKibitz
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3144 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3145 SendToPlayer(star_match[0], strlen(star_match[0]));
3146 if(looking_at(buf, &i, "*% ")) // eat prompt
3147 suppressKibitz = FALSE;
3151 } // [HGM] kibitz: end of patch
3153 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3155 // [HGM] chat: intercept tells by users for which we have an open chat window
3157 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3158 looking_at(buf, &i, "* whispers:") ||
3159 looking_at(buf, &i, "* kibitzes:") ||
3160 looking_at(buf, &i, "* shouts:") ||
3161 looking_at(buf, &i, "* c-shouts:") ||
3162 looking_at(buf, &i, "--> * ") ||
3163 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3164 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3168 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3169 chattingPartner = -1;
3171 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("kibitzes", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3187 for(p=0; p<MAX_CHAT; p++) {
3188 if(!strcmp("whispers", chatPartner[p])) {
3189 talker[0] = '['; strcat(talker, "] ");
3190 chattingPartner = p; break;
3193 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3194 if(buf[i-8] == '-' && buf[i-3] == 't')
3195 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3196 if(!strcmp("c-shouts", chatPartner[p])) {
3197 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3198 chattingPartner = p; break;
3201 if(chattingPartner < 0)
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("shouts", chatPartner[p])) {
3204 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3205 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3206 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3207 chattingPartner = p; break;
3211 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3212 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3213 talker[0] = 0; Colorize(ColorTell, FALSE);
3214 chattingPartner = p; break;
3216 if(chattingPartner<0) i = oldi; else {
3217 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3218 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 started = STARTED_COMMENT;
3221 parse_pos = 0; parse[0] = NULLCHAR;
3222 savingComment = 3 + chattingPartner; // counts as TRUE
3223 suppressKibitz = TRUE;
3226 } // [HGM] chat: end of patch
3229 if (appData.zippyTalk || appData.zippyPlay) {
3230 /* [DM] Backup address for color zippy lines */
3232 if (loggedOn == TRUE)
3233 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3234 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3236 } // [DM] 'else { ' deleted
3238 /* Regular tells and says */
3239 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3240 looking_at(buf, &i, "* (your partner) tells you: ") ||
3241 looking_at(buf, &i, "* says: ") ||
3242 /* Don't color "message" or "messages" output */
3243 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3244 looking_at(buf, &i, "*. * at *:*: ") ||
3245 looking_at(buf, &i, "--* (*:*): ") ||
3246 /* Message notifications (same color as tells) */
3247 looking_at(buf, &i, "* has left a message ") ||
3248 looking_at(buf, &i, "* just sent you a message:\n") ||
3249 /* Whispers and kibitzes */
3250 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3251 looking_at(buf, &i, "* kibitzes: ") ||
3253 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3255 if (tkind == 1 && strchr(star_match[0], ':')) {
3256 /* Avoid "tells you:" spoofs in channels */
3259 if (star_match[0][0] == NULLCHAR ||
3260 strchr(star_match[0], ' ') ||
3261 (tkind == 3 && strchr(star_match[1], ' '))) {
3262 /* Reject bogus matches */
3265 if (appData.colorize) {
3266 if (oldi > next_out) {
3267 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorTell, FALSE);
3273 curColor = ColorTell;
3276 Colorize(ColorKibitz, FALSE);
3277 curColor = ColorKibitz;
3280 p = strrchr(star_match[1], '(');
3287 Colorize(ColorChannel1, FALSE);
3288 curColor = ColorChannel1;
3290 Colorize(ColorChannel, FALSE);
3291 curColor = ColorChannel;
3295 curColor = ColorNormal;
3299 if (started == STARTED_NONE && appData.autoComment &&
3300 (gameMode == IcsObserving ||
3301 gameMode == IcsPlayingWhite ||
3302 gameMode == IcsPlayingBlack)) {
3303 parse_pos = i - oldi;
3304 memcpy(parse, &buf[oldi], parse_pos);
3305 parse[parse_pos] = NULLCHAR;
3306 started = STARTED_COMMENT;
3307 savingComment = TRUE;
3309 started = STARTED_CHATTER;
3310 savingComment = FALSE;
3317 if (looking_at(buf, &i, "* s-shouts: ") ||
3318 looking_at(buf, &i, "* c-shouts: ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorSShout, FALSE);
3325 curColor = ColorSShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at(buf, &i, "--->")) {
3337 if (looking_at(buf, &i, "* shouts: ") ||
3338 looking_at(buf, &i, "--> ")) {
3339 if (appData.colorize) {
3340 if (oldi > next_out) {
3341 SendToPlayer(&buf[next_out], oldi - next_out);
3344 Colorize(ColorShout, FALSE);
3345 curColor = ColorShout;
3348 started = STARTED_CHATTER;
3352 if (looking_at( buf, &i, "Challenge:")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorChallenge, FALSE);
3359 curColor = ColorChallenge;
3365 if (looking_at(buf, &i, "* offers you") ||
3366 looking_at(buf, &i, "* offers to be") ||
3367 looking_at(buf, &i, "* would like to") ||
3368 looking_at(buf, &i, "* requests to") ||
3369 looking_at(buf, &i, "Your opponent offers") ||
3370 looking_at(buf, &i, "Your opponent requests")) {
3372 if (appData.colorize) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(ColorRequest, FALSE);
3378 curColor = ColorRequest;
3383 if (looking_at(buf, &i, "* (*) seeking")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorSeek, FALSE);
3390 curColor = ColorSeek;
3395 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3397 if (looking_at(buf, &i, "\\ ")) {
3398 if (prevColor != ColorNormal) {
3399 if (oldi > next_out) {
3400 SendToPlayer(&buf[next_out], oldi - next_out);
3403 Colorize(prevColor, TRUE);
3404 curColor = prevColor;
3406 if (savingComment) {
3407 parse_pos = i - oldi;
3408 memcpy(parse, &buf[oldi], parse_pos);
3409 parse[parse_pos] = NULLCHAR;
3410 started = STARTED_COMMENT;
3411 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3412 chattingPartner = savingComment - 3; // kludge to remember the box
3414 started = STARTED_CHATTER;
3419 if (looking_at(buf, &i, "Black Strength :") ||
3420 looking_at(buf, &i, "<<< style 10 board >>>") ||
3421 looking_at(buf, &i, "<10>") ||
3422 looking_at(buf, &i, "#@#")) {
3423 /* Wrong board style */
3425 SendToICS(ics_prefix);
3426 SendToICS("set style 12\n");
3427 SendToICS(ics_prefix);
3428 SendToICS("refresh\n");
3432 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3434 have_sent_ICS_logon = 1;
3438 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3439 (looking_at(buf, &i, "\n<12> ") ||
3440 looking_at(buf, &i, "<12> "))) {
3442 if (oldi > next_out) {
3443 SendToPlayer(&buf[next_out], oldi - next_out);
3446 started = STARTED_BOARD;
3451 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3452 looking_at(buf, &i, "<b1> ")) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 started = STARTED_HOLDINGS;
3462 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3464 /* Header for a move list -- first line */
3466 switch (ics_getting_history) {
3470 case BeginningOfGame:
3471 /* User typed "moves" or "oldmoves" while we
3472 were idle. Pretend we asked for these
3473 moves and soak them up so user can step
3474 through them and/or save them.
3477 gameMode = IcsObserving;
3480 ics_getting_history = H_GOT_UNREQ_HEADER;
3482 case EditGame: /*?*/
3483 case EditPosition: /*?*/
3484 /* Should above feature work in these modes too? */
3485 /* For now it doesn't */
3486 ics_getting_history = H_GOT_UNWANTED_HEADER;
3489 ics_getting_history = H_GOT_UNWANTED_HEADER;
3494 /* Is this the right one? */
3495 if (gameInfo.white && gameInfo.black &&
3496 strcmp(gameInfo.white, star_match[0]) == 0 &&
3497 strcmp(gameInfo.black, star_match[2]) == 0) {
3499 ics_getting_history = H_GOT_REQ_HEADER;
3502 case H_GOT_REQ_HEADER:
3503 case H_GOT_UNREQ_HEADER:
3504 case H_GOT_UNWANTED_HEADER:
3505 case H_GETTING_MOVES:
3506 /* Should not happen */
3507 DisplayError(_("Error gathering move list: two headers"), 0);
3508 ics_getting_history = H_FALSE;
3512 /* Save player ratings into gameInfo if needed */
3513 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3514 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3515 (gameInfo.whiteRating == -1 ||
3516 gameInfo.blackRating == -1)) {
3518 gameInfo.whiteRating = string_to_rating(star_match[1]);
3519 gameInfo.blackRating = string_to_rating(star_match[3]);
3520 if (appData.debugMode)
3521 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3522 gameInfo.whiteRating, gameInfo.blackRating);
3527 if (looking_at(buf, &i,
3528 "* * match, initial time: * minute*, increment: * second")) {
3529 /* Header for a move list -- second line */
3530 /* Initial board will follow if this is a wild game */
3531 if (gameInfo.event != NULL) free(gameInfo.event);
3532 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3533 gameInfo.event = StrSave(str);
3534 /* [HGM] we switched variant. Translate boards if needed. */
3535 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3539 if (looking_at(buf, &i, "Move ")) {
3540 /* Beginning of a move list */
3541 switch (ics_getting_history) {
3543 /* Normally should not happen */
3544 /* Maybe user hit reset while we were parsing */
3547 /* Happens if we are ignoring a move list that is not
3548 * the one we just requested. Common if the user
3549 * tries to observe two games without turning off
3552 case H_GETTING_MOVES:
3553 /* Should not happen */
3554 DisplayError(_("Error gathering move list: nested"), 0);
3555 ics_getting_history = H_FALSE;
3557 case H_GOT_REQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES;
3561 if (oldi > next_out) {
3562 SendToPlayer(&buf[next_out], oldi - next_out);
3565 case H_GOT_UNREQ_HEADER:
3566 ics_getting_history = H_GETTING_MOVES;
3567 started = STARTED_MOVES_NOHIDE;
3570 case H_GOT_UNWANTED_HEADER:
3571 ics_getting_history = H_FALSE;
3577 if (looking_at(buf, &i, "% ") ||
3578 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3579 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3580 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3581 soughtPending = FALSE;
3585 if(suppressKibitz) next_out = i;
3586 savingComment = FALSE;
3590 case STARTED_MOVES_NOHIDE:
3591 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3592 parse[parse_pos + i - oldi] = NULLCHAR;
3593 ParseGameHistory(parse);
3595 if (appData.zippyPlay && first.initDone) {
3596 FeedMovesToProgram(&first, forwardMostMove);
3597 if (gameMode == IcsPlayingWhite) {
3598 if (WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 SendTimeRemaining(&first, TRUE);
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, TRUE);
3615 SendToProgram("playother\n", &first);
3621 } else if (gameMode == IcsPlayingBlack) {
3622 if (!WhiteOnMove(forwardMostMove)) {
3623 if (first.sendTime) {
3624 if (first.useColors) {
3625 SendToProgram("white\n", &first);
3627 SendTimeRemaining(&first, FALSE);
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3633 first.maybeThinking = TRUE;
3635 if (first.usePlayother) {
3636 if (first.sendTime) {
3637 SendTimeRemaining(&first, FALSE);
3639 SendToProgram("playother\n", &first);
3648 if (gameMode == IcsObserving && ics_gamenum == -1) {
3649 /* Moves came from oldmoves or moves command
3650 while we weren't doing anything else.
3652 currentMove = forwardMostMove;
3653 ClearHighlights();/*!!could figure this out*/
3654 flipView = appData.flipView;
3655 DrawPosition(TRUE, boards[currentMove]);
3656 DisplayBothClocks();
3657 snprintf(str, MSG_SIZ, "%s %s %s",
3658 gameInfo.white, _("vs."), gameInfo.black);
3662 /* Moves were history of an active game */
3663 if (gameInfo.resultDetails != NULL) {
3664 free(gameInfo.resultDetails);
3665 gameInfo.resultDetails = NULL;
3668 HistorySet(parseList, backwardMostMove,
3669 forwardMostMove, currentMove-1);
3670 DisplayMove(currentMove - 1);
3671 if (started == STARTED_MOVES) next_out = i;
3672 started = STARTED_NONE;
3673 ics_getting_history = H_FALSE;
3676 case STARTED_OBSERVE:
3677 started = STARTED_NONE;
3678 SendToICS(ics_prefix);
3679 SendToICS("refresh\n");
3685 if(bookHit) { // [HGM] book: simulate book reply
3686 static char bookMove[MSG_SIZ]; // a bit generous?
3688 programStats.nodes = programStats.depth = programStats.time =
3689 programStats.score = programStats.got_only_move = 0;
3690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3693 strcat(bookMove, bookHit);
3694 HandleMachineMove(bookMove, &first);
3699 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3700 started == STARTED_HOLDINGS ||
3701 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3702 /* Accumulate characters in move list or board */
3703 parse[parse_pos++] = buf[i];
3706 /* Start of game messages. Mostly we detect start of game
3707 when the first board image arrives. On some versions
3708 of the ICS, though, we need to do a "refresh" after starting
3709 to observe in order to get the current board right away. */
3710 if (looking_at(buf, &i, "Adding game * to observation list")) {
3711 started = STARTED_OBSERVE;
3715 /* Handle auto-observe */
3716 if (appData.autoObserve &&
3717 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3718 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3720 /* Choose the player that was highlighted, if any. */
3721 if (star_match[0][0] == '\033' ||
3722 star_match[1][0] != '\033') {
3723 player = star_match[0];
3725 player = star_match[2];
3727 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3728 ics_prefix, StripHighlightAndTitle(player));
3731 /* Save ratings from notify string */
3732 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3733 player1Rating = string_to_rating(star_match[1]);
3734 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3735 player2Rating = string_to_rating(star_match[3]);
3737 if (appData.debugMode)
3739 "Ratings from 'Game notification:' %s %d, %s %d\n",
3740 player1Name, player1Rating,
3741 player2Name, player2Rating);
3746 /* Deal with automatic examine mode after a game,
3747 and with IcsObserving -> IcsExamining transition */
3748 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3749 looking_at(buf, &i, "has made you an examiner of game *")) {
3751 int gamenum = atoi(star_match[0]);
3752 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3753 gamenum == ics_gamenum) {
3754 /* We were already playing or observing this game;
3755 no need to refetch history */
3756 gameMode = IcsExamining;
3758 pauseExamForwardMostMove = forwardMostMove;
3759 } else if (currentMove < forwardMostMove) {
3760 ForwardInner(forwardMostMove);
3763 /* I don't think this case really can happen */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3770 /* Error messages */
3771 // if (ics_user_moved) {
3772 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3773 if (looking_at(buf, &i, "Illegal move") ||
3774 looking_at(buf, &i, "Not a legal move") ||
3775 looking_at(buf, &i, "Your king is in check") ||
3776 looking_at(buf, &i, "It isn't your turn") ||
3777 looking_at(buf, &i, "It is not your move")) {
3779 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3780 currentMove = forwardMostMove-1;
3781 DisplayMove(currentMove - 1); /* before DMError */
3782 DrawPosition(FALSE, boards[currentMove]);
3783 SwitchClocks(forwardMostMove-1); // [HGM] race
3784 DisplayBothClocks();
3786 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3792 if (looking_at(buf, &i, "still have time") ||
3793 looking_at(buf, &i, "not out of time") ||
3794 looking_at(buf, &i, "either player is out of time") ||
3795 looking_at(buf, &i, "has timeseal; checking")) {
3796 /* We must have called his flag a little too soon */
3797 whiteFlag = blackFlag = FALSE;
3801 if (looking_at(buf, &i, "added * seconds to") ||
3802 looking_at(buf, &i, "seconds were added to")) {
3803 /* Update the clocks */
3804 SendToICS(ics_prefix);
3805 SendToICS("refresh\n");
3809 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3810 ics_clock_paused = TRUE;
3815 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3816 ics_clock_paused = FALSE;
3821 /* Grab player ratings from the Creating: message.
3822 Note we have to check for the special case when
3823 the ICS inserts things like [white] or [black]. */
3824 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3825 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3827 0 player 1 name (not necessarily white)
3829 2 empty, white, or black (IGNORED)
3830 3 player 2 name (not necessarily black)
3833 The names/ratings are sorted out when the game
3834 actually starts (below).
3836 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3837 player1Rating = string_to_rating(star_match[1]);
3838 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3839 player2Rating = string_to_rating(star_match[4]);
3841 if (appData.debugMode)
3843 "Ratings from 'Creating:' %s %d, %s %d\n",
3844 player1Name, player1Rating,
3845 player2Name, player2Rating);
3850 /* Improved generic start/end-of-game messages */
3851 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3852 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3853 /* If tkind == 0: */
3854 /* star_match[0] is the game number */
3855 /* [1] is the white player's name */
3856 /* [2] is the black player's name */
3857 /* For end-of-game: */
3858 /* [3] is the reason for the game end */
3859 /* [4] is a PGN end game-token, preceded by " " */
3860 /* For start-of-game: */
3861 /* [3] begins with "Creating" or "Continuing" */
3862 /* [4] is " *" or empty (don't care). */
3863 int gamenum = atoi(star_match[0]);
3864 char *whitename, *blackname, *why, *endtoken;
3865 ChessMove endtype = EndOfFile;
3868 whitename = star_match[1];
3869 blackname = star_match[2];
3870 why = star_match[3];
3871 endtoken = star_match[4];
3873 whitename = star_match[1];
3874 blackname = star_match[3];
3875 why = star_match[5];
3876 endtoken = star_match[6];
3879 /* Game start messages */
3880 if (strncmp(why, "Creating ", 9) == 0 ||
3881 strncmp(why, "Continuing ", 11) == 0) {
3882 gs_gamenum = gamenum;
3883 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3884 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3885 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3887 if (appData.zippyPlay) {
3888 ZippyGameStart(whitename, blackname);
3891 partnerBoardValid = FALSE; // [HGM] bughouse
3895 /* Game end messages */
3896 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3897 ics_gamenum != gamenum) {
3900 while (endtoken[0] == ' ') endtoken++;
3901 switch (endtoken[0]) {
3904 endtype = GameUnfinished;
3907 endtype = BlackWins;
3910 if (endtoken[1] == '/')
3911 endtype = GameIsDrawn;
3913 endtype = WhiteWins;
3916 GameEnds(endtype, why, GE_ICS);
3918 if (appData.zippyPlay && first.initDone) {
3919 ZippyGameEnd(endtype, why);
3920 if (first.pr == NoProc) {
3921 /* Start the next process early so that we'll
3922 be ready for the next challenge */
3923 StartChessProgram(&first);
3925 /* Send "new" early, in case this command takes
3926 a long time to finish, so that we'll be ready
3927 for the next challenge. */
3928 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3932 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3936 if (looking_at(buf, &i, "Removing game * from observation") ||
3937 looking_at(buf, &i, "no longer observing game *") ||
3938 looking_at(buf, &i, "Game * (*) has no examiners")) {
3939 if (gameMode == IcsObserving &&
3940 atoi(star_match[0]) == ics_gamenum)
3942 /* icsEngineAnalyze */
3943 if (appData.icsEngineAnalyze) {
3950 ics_user_moved = FALSE;
3955 if (looking_at(buf, &i, "no longer examining game *")) {
3956 if (gameMode == IcsExamining &&
3957 atoi(star_match[0]) == ics_gamenum)
3961 ics_user_moved = FALSE;
3966 /* Advance leftover_start past any newlines we find,
3967 so only partial lines can get reparsed */
3968 if (looking_at(buf, &i, "\n")) {
3969 prevColor = curColor;
3970 if (curColor != ColorNormal) {
3971 if (oldi > next_out) {
3972 SendToPlayer(&buf[next_out], oldi - next_out);
3975 Colorize(ColorNormal, FALSE);
3976 curColor = ColorNormal;
3978 if (started == STARTED_BOARD) {
3979 started = STARTED_NONE;
3980 parse[parse_pos] = NULLCHAR;
3981 ParseBoard12(parse);
3984 /* Send premove here */
3985 if (appData.premove) {
3987 if (currentMove == 0 &&
3988 gameMode == IcsPlayingWhite &&
3989 appData.premoveWhite) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (currentMove == 1 &&
3995 gameMode == IcsPlayingBlack &&
3996 appData.premoveBlack) {
3997 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Sending premove:\n");
4001 } else if (gotPremove) {
4003 ClearPremoveHighlights();
4004 if (appData.debugMode)
4005 fprintf(debugFP, "Sending premove:\n");
4006 UserMoveEvent(premoveFromX, premoveFromY,
4007 premoveToX, premoveToY,
4012 /* Usually suppress following prompt */
4013 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4014 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4015 if (looking_at(buf, &i, "*% ")) {
4016 savingComment = FALSE;
4021 } else if (started == STARTED_HOLDINGS) {
4023 char new_piece[MSG_SIZ];
4024 started = STARTED_NONE;
4025 parse[parse_pos] = NULLCHAR;
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4028 parse, currentMove);
4029 if (sscanf(parse, " game %d", &gamenum) == 1) {
4030 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4031 if (gameInfo.variant == VariantNormal) {
4032 /* [HGM] We seem to switch variant during a game!
4033 * Presumably no holdings were displayed, so we have
4034 * to move the position two files to the right to
4035 * create room for them!
4037 VariantClass newVariant;
4038 switch(gameInfo.boardWidth) { // base guess on board width
4039 case 9: newVariant = VariantShogi; break;
4040 case 10: newVariant = VariantGreat; break;
4041 default: newVariant = VariantCrazyhouse; break;
4043 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4044 /* Get a move list just to see the header, which
4045 will tell us whether this is really bug or zh */
4046 if (ics_getting_history == H_FALSE) {
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 new_piece[0] = NULLCHAR;
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to board holdings area */
4059 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4060 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4061 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4063 if (appData.zippyPlay && first.initDone) {
4064 ZippyHoldings(white_holding, black_holding,
4068 if (tinyLayout || smallLayout) {
4069 char wh[16], bh[16];
4070 PackHolding(wh, white_holding);
4071 PackHolding(bh, black_holding);
4072 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4073 gameInfo.white, gameInfo.black);
4075 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4076 gameInfo.white, white_holding, _("vs."),
4077 gameInfo.black, black_holding);
4079 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4080 DrawPosition(FALSE, boards[currentMove]);
4082 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4083 sscanf(parse, "game %d white [%s black [%s <- %s",
4084 &gamenum, white_holding, black_holding,
4086 white_holding[strlen(white_holding)-1] = NULLCHAR;
4087 black_holding[strlen(black_holding)-1] = NULLCHAR;
4088 /* [HGM] copy holdings to partner-board holdings area */
4089 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4090 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4091 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4092 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4093 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4096 /* Suppress following prompt */
4097 if (looking_at(buf, &i, "*% ")) {
4098 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4099 savingComment = FALSE;
4107 i++; /* skip unparsed character and loop back */
4110 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4111 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4112 // SendToPlayer(&buf[next_out], i - next_out);
4113 started != STARTED_HOLDINGS && leftover_start > next_out) {
4114 SendToPlayer(&buf[next_out], leftover_start - next_out);
4118 leftover_len = buf_len - leftover_start;
4119 /* if buffer ends with something we couldn't parse,
4120 reparse it after appending the next read */
4122 } else if (count == 0) {
4123 RemoveInputSource(isr);
4124 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4126 DisplayFatalError(_("Error reading from ICS"), error, 1);
4131 /* Board style 12 looks like this:
4133 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4135 * The "<12> " is stripped before it gets to this routine. The two
4136 * trailing 0's (flip state and clock ticking) are later addition, and
4137 * some chess servers may not have them, or may have only the first.
4138 * Additional trailing fields may be added in the future.
4141 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4143 #define RELATION_OBSERVING_PLAYED 0
4144 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4145 #define RELATION_PLAYING_MYMOVE 1
4146 #define RELATION_PLAYING_NOTMYMOVE -1
4147 #define RELATION_EXAMINING 2
4148 #define RELATION_ISOLATED_BOARD -3
4149 #define RELATION_STARTING_POSITION -4 /* FICS only */
4152 ParseBoard12 (char *string)
4154 GameMode newGameMode;
4155 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4156 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4157 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4158 char to_play, board_chars[200];
4159 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4160 char black[32], white[32];
4162 int prevMove = currentMove;
4165 int fromX, fromY, toX, toY;
4167 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4168 char *bookHit = NULL; // [HGM] book
4169 Boolean weird = FALSE, reqFlag = FALSE;
4171 fromX = fromY = toX = toY = -1;
4175 if (appData.debugMode)
4176 fprintf(debugFP, _("Parsing board: %s\n"), string);
4178 move_str[0] = NULLCHAR;
4179 elapsed_time[0] = NULLCHAR;
4180 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4182 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4183 if(string[i] == ' ') { ranks++; files = 0; }
4185 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4188 for(j = 0; j <i; j++) board_chars[j] = string[j];
4189 board_chars[i] = '\0';
4192 n = sscanf(string, PATTERN, &to_play, &double_push,
4193 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4194 &gamenum, white, black, &relation, &basetime, &increment,
4195 &white_stren, &black_stren, &white_time, &black_time,
4196 &moveNum, str, elapsed_time, move_str, &ics_flip,
4200 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4201 DisplayError(str, 0);
4205 /* Convert the move number to internal form */
4206 moveNum = (moveNum - 1) * 2;
4207 if (to_play == 'B') moveNum++;
4208 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4209 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4215 case RELATION_OBSERVING_PLAYED:
4216 case RELATION_OBSERVING_STATIC:
4217 if (gamenum == -1) {
4218 /* Old ICC buglet */
4219 relation = RELATION_OBSERVING_STATIC;
4221 newGameMode = IcsObserving;
4223 case RELATION_PLAYING_MYMOVE:
4224 case RELATION_PLAYING_NOTMYMOVE:
4226 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4227 IcsPlayingWhite : IcsPlayingBlack;
4228 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4230 case RELATION_EXAMINING:
4231 newGameMode = IcsExamining;
4233 case RELATION_ISOLATED_BOARD:
4235 /* Just display this board. If user was doing something else,
4236 we will forget about it until the next board comes. */
4237 newGameMode = IcsIdle;
4239 case RELATION_STARTING_POSITION:
4240 newGameMode = gameMode;
4244 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4245 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4246 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4248 for (k = 0; k < ranks; k++) {
4249 for (j = 0; j < files; j++)
4250 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4251 if(gameInfo.holdingsWidth > 1) {
4252 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4253 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4256 CopyBoard(partnerBoard, board);
4257 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4258 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4259 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4260 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4261 if(toSqr = strchr(str, '-')) {
4262 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4263 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4264 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4265 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4266 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4267 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4269 DisplayWhiteClock(white_time, to_play == 'W');
4270 DisplayBlackClock(black_time, to_play != 'W');
4271 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4272 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4273 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4274 DisplayMessage(partnerStatus, "");
4275 partnerBoardValid = TRUE;
4279 /* Modify behavior for initial board display on move listing
4282 switch (ics_getting_history) {
4286 case H_GOT_REQ_HEADER:
4287 case H_GOT_UNREQ_HEADER:
4288 /* This is the initial position of the current game */
4289 gamenum = ics_gamenum;
4290 moveNum = 0; /* old ICS bug workaround */
4291 if (to_play == 'B') {
4292 startedFromSetupPosition = TRUE;
4293 blackPlaysFirst = TRUE;
4295 if (forwardMostMove == 0) forwardMostMove = 1;
4296 if (backwardMostMove == 0) backwardMostMove = 1;
4297 if (currentMove == 0) currentMove = 1;
4299 newGameMode = gameMode;
4300 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4302 case H_GOT_UNWANTED_HEADER:
4303 /* This is an initial board that we don't want */
4305 case H_GETTING_MOVES:
4306 /* Should not happen */
4307 DisplayError(_("Error gathering move list: extra board"), 0);
4308 ics_getting_history = H_FALSE;
4312 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4313 weird && (int)gameInfo.variant < (int)VariantShogi) {
4314 /* [HGM] We seem to have switched variant unexpectedly
4315 * Try to guess new variant from board size
4317 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4318 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4319 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4320 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4321 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4322 if(!weird) newVariant = VariantNormal;
4323 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4324 /* Get a move list just to see the header, which
4325 will tell us whether this is really bug or zh */
4326 if (ics_getting_history == H_FALSE) {
4327 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4328 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4333 /* Take action if this is the first board of a new game, or of a
4334 different game than is currently being displayed. */
4335 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4336 relation == RELATION_ISOLATED_BOARD) {
4338 /* Forget the old game and get the history (if any) of the new one */
4339 if (gameMode != BeginningOfGame) {
4343 if (appData.autoRaiseBoard) BoardToTop();
4345 if (gamenum == -1) {
4346 newGameMode = IcsIdle;
4347 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4348 appData.getMoveList && !reqFlag) {
4349 /* Need to get game history */
4350 ics_getting_history = H_REQUESTED;
4351 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4355 /* Initially flip the board to have black on the bottom if playing
4356 black or if the ICS flip flag is set, but let the user change
4357 it with the Flip View button. */
4358 flipView = appData.autoFlipView ?
4359 (newGameMode == IcsPlayingBlack) || ics_flip :
4362 /* Done with values from previous mode; copy in new ones */
4363 gameMode = newGameMode;
4365 ics_gamenum = gamenum;
4366 if (gamenum == gs_gamenum) {
4367 int klen = strlen(gs_kind);
4368 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4369 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4370 gameInfo.event = StrSave(str);
4372 gameInfo.event = StrSave("ICS game");
4374 gameInfo.site = StrSave(appData.icsHost);
4375 gameInfo.date = PGNDate();
4376 gameInfo.round = StrSave("-");
4377 gameInfo.white = StrSave(white);
4378 gameInfo.black = StrSave(black);
4379 timeControl = basetime * 60 * 1000;
4381 timeIncrement = increment * 1000;
4382 movesPerSession = 0;
4383 gameInfo.timeControl = TimeControlTagValue();
4384 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4385 if (appData.debugMode) {
4386 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4387 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4388 setbuf(debugFP, NULL);
4391 gameInfo.outOfBook = NULL;
4393 /* Do we have the ratings? */
4394 if (strcmp(player1Name, white) == 0 &&
4395 strcmp(player2Name, black) == 0) {
4396 if (appData.debugMode)
4397 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4398 player1Rating, player2Rating);
4399 gameInfo.whiteRating = player1Rating;
4400 gameInfo.blackRating = player2Rating;
4401 } else if (strcmp(player2Name, white) == 0 &&
4402 strcmp(player1Name, black) == 0) {
4403 if (appData.debugMode)
4404 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4405 player2Rating, player1Rating);
4406 gameInfo.whiteRating = player2Rating;
4407 gameInfo.blackRating = player1Rating;
4409 player1Name[0] = player2Name[0] = NULLCHAR;
4411 /* Silence shouts if requested */
4412 if (appData.quietPlay &&
4413 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4414 SendToICS(ics_prefix);
4415 SendToICS("set shout 0\n");
4419 /* Deal with midgame name changes */
4421 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4422 if (gameInfo.white) free(gameInfo.white);
4423 gameInfo.white = StrSave(white);
4425 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4426 if (gameInfo.black) free(gameInfo.black);
4427 gameInfo.black = StrSave(black);
4431 /* Throw away game result if anything actually changes in examine mode */
4432 if (gameMode == IcsExamining && !newGame) {
4433 gameInfo.result = GameUnfinished;
4434 if (gameInfo.resultDetails != NULL) {
4435 free(gameInfo.resultDetails);
4436 gameInfo.resultDetails = NULL;
4440 /* In pausing && IcsExamining mode, we ignore boards coming
4441 in if they are in a different variation than we are. */
4442 if (pauseExamInvalid) return;
4443 if (pausing && gameMode == IcsExamining) {
4444 if (moveNum <= pauseExamForwardMostMove) {
4445 pauseExamInvalid = TRUE;
4446 forwardMostMove = pauseExamForwardMostMove;
4451 if (appData.debugMode) {
4452 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4454 /* Parse the board */
4455 for (k = 0; k < ranks; k++) {
4456 for (j = 0; j < files; j++)
4457 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4458 if(gameInfo.holdingsWidth > 1) {
4459 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4460 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4463 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4464 board[5][BOARD_RGHT+1] = WhiteAngel;
4465 board[6][BOARD_RGHT+1] = WhiteMarshall;
4466 board[1][0] = BlackMarshall;
4467 board[2][0] = BlackAngel;
4468 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4470 CopyBoard(boards[moveNum], board);
4471 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4473 startedFromSetupPosition =
4474 !CompareBoards(board, initialPosition);
4475 if(startedFromSetupPosition)
4476 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4479 /* [HGM] Set castling rights. Take the outermost Rooks,
4480 to make it also work for FRC opening positions. Note that board12
4481 is really defective for later FRC positions, as it has no way to
4482 indicate which Rook can castle if they are on the same side of King.
4483 For the initial position we grant rights to the outermost Rooks,
4484 and remember thos rights, and we then copy them on positions
4485 later in an FRC game. This means WB might not recognize castlings with
4486 Rooks that have moved back to their original position as illegal,
4487 but in ICS mode that is not its job anyway.
4489 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4490 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4492 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4493 if(board[0][i] == WhiteRook) j = i;
4494 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4495 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4496 if(board[0][i] == WhiteRook) j = i;
4497 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4498 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4499 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4500 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4501 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4502 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4503 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4505 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4506 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4507 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4508 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4509 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4510 if(board[BOARD_HEIGHT-1][k] == bKing)
4511 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4512 if(gameInfo.variant == VariantTwoKings) {
4513 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4514 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4515 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4518 r = boards[moveNum][CASTLING][0] = initialRights[0];
4519 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4520 r = boards[moveNum][CASTLING][1] = initialRights[1];
4521 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4522 r = boards[moveNum][CASTLING][3] = initialRights[3];
4523 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4524 r = boards[moveNum][CASTLING][4] = initialRights[4];
4525 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4526 /* wildcastle kludge: always assume King has rights */
4527 r = boards[moveNum][CASTLING][2] = initialRights[2];
4528 r = boards[moveNum][CASTLING][5] = initialRights[5];
4530 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4531 boards[moveNum][EP_STATUS] = EP_NONE;
4532 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4533 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4534 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4537 if (ics_getting_history == H_GOT_REQ_HEADER ||
4538 ics_getting_history == H_GOT_UNREQ_HEADER) {
4539 /* This was an initial position from a move list, not
4540 the current position */
4544 /* Update currentMove and known move number limits */
4545 newMove = newGame || moveNum > forwardMostMove;
4548 forwardMostMove = backwardMostMove = currentMove = moveNum;
4549 if (gameMode == IcsExamining && moveNum == 0) {
4550 /* Workaround for ICS limitation: we are not told the wild
4551 type when starting to examine a game. But if we ask for
4552 the move list, the move list header will tell us */
4553 ics_getting_history = H_REQUESTED;
4554 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4557 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4558 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4560 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4561 /* [HGM] applied this also to an engine that is silently watching */
4562 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4563 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4564 gameInfo.variant == currentlyInitializedVariant) {
4565 takeback = forwardMostMove - moveNum;
4566 for (i = 0; i < takeback; i++) {
4567 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4568 SendToProgram("undo\n", &first);
4573 forwardMostMove = moveNum;
4574 if (!pausing || currentMove > forwardMostMove)
4575 currentMove = forwardMostMove;
4577 /* New part of history that is not contiguous with old part */
4578 if (pausing && gameMode == IcsExamining) {
4579 pauseExamInvalid = TRUE;
4580 forwardMostMove = pauseExamForwardMostMove;
4583 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4585 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4586 // [HGM] when we will receive the move list we now request, it will be
4587 // fed to the engine from the first move on. So if the engine is not
4588 // in the initial position now, bring it there.
4589 InitChessProgram(&first, 0);
4592 ics_getting_history = H_REQUESTED;
4593 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4596 forwardMostMove = backwardMostMove = currentMove = moveNum;
4599 /* Update the clocks */
4600 if (strchr(elapsed_time, '.')) {
4602 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4603 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4605 /* Time is in seconds */
4606 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4607 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4612 if (appData.zippyPlay && newGame &&
4613 gameMode != IcsObserving && gameMode != IcsIdle &&
4614 gameMode != IcsExamining)
4615 ZippyFirstBoard(moveNum, basetime, increment);
4618 /* Put the move on the move list, first converting
4619 to canonical algebraic form. */
4621 if (appData.debugMode) {
4622 if (appData.debugMode) { int f = forwardMostMove;
4623 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4624 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4625 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4627 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4628 fprintf(debugFP, "moveNum = %d\n", moveNum);
4629 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4630 setbuf(debugFP, NULL);
4632 if (moveNum <= backwardMostMove) {
4633 /* We don't know what the board looked like before
4635 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4636 strcat(parseList[moveNum - 1], " ");
4637 strcat(parseList[moveNum - 1], elapsed_time);
4638 moveList[moveNum - 1][0] = NULLCHAR;
4639 } else if (strcmp(move_str, "none") == 0) {
4640 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4641 /* Again, we don't know what the board looked like;
4642 this is really the start of the game. */
4643 parseList[moveNum - 1][0] = NULLCHAR;
4644 moveList[moveNum - 1][0] = NULLCHAR;
4645 backwardMostMove = moveNum;
4646 startedFromSetupPosition = TRUE;
4647 fromX = fromY = toX = toY = -1;
4649 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4650 // So we parse the long-algebraic move string in stead of the SAN move
4651 int valid; char buf[MSG_SIZ], *prom;
4653 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4654 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4655 // str looks something like "Q/a1-a2"; kill the slash
4657 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4658 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4659 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4660 strcat(buf, prom); // long move lacks promo specification!
4661 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4662 if(appData.debugMode)
4663 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4664 safeStrCpy(move_str, buf, MSG_SIZ);
4666 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4667 &fromX, &fromY, &toX, &toY, &promoChar)
4668 || ParseOneMove(buf, moveNum - 1, &moveType,
4669 &fromX, &fromY, &toX, &toY, &promoChar);
4670 // end of long SAN patch
4672 (void) CoordsToAlgebraic(boards[moveNum - 1],
4673 PosFlags(moveNum - 1),
4674 fromY, fromX, toY, toX, promoChar,
4675 parseList[moveNum-1]);
4676 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4682 if(gameInfo.variant != VariantShogi)
4683 strcat(parseList[moveNum - 1], "+");
4686 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4687 strcat(parseList[moveNum - 1], "#");
4690 strcat(parseList[moveNum - 1], " ");
4691 strcat(parseList[moveNum - 1], elapsed_time);
4692 /* currentMoveString is set as a side-effect of ParseOneMove */
4693 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4694 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4695 strcat(moveList[moveNum - 1], "\n");
4697 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4698 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4699 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4700 ChessSquare old, new = boards[moveNum][k][j];
4701 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4702 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4703 if(old == new) continue;
4704 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4705 else if(new == WhiteWazir || new == BlackWazir) {
4706 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4707 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4708 else boards[moveNum][k][j] = old; // preserve type of Gold
4709 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4710 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4713 /* Move from ICS was illegal!? Punt. */
4714 if (appData.debugMode) {
4715 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4716 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4718 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4719 strcat(parseList[moveNum - 1], " ");
4720 strcat(parseList[moveNum - 1], elapsed_time);
4721 moveList[moveNum - 1][0] = NULLCHAR;
4722 fromX = fromY = toX = toY = -1;
4725 if (appData.debugMode) {
4726 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4727 setbuf(debugFP, NULL);
4731 /* Send move to chess program (BEFORE animating it). */
4732 if (appData.zippyPlay && !newGame && newMove &&
4733 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4735 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4736 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4737 if (moveList[moveNum - 1][0] == NULLCHAR) {
4738 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4740 DisplayError(str, 0);
4742 if (first.sendTime) {
4743 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4745 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4746 if (firstMove && !bookHit) {
4748 if (first.useColors) {
4749 SendToProgram(gameMode == IcsPlayingWhite ?
4751 "black\ngo\n", &first);
4753 SendToProgram("go\n", &first);
4755 first.maybeThinking = TRUE;
4758 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4759 if (moveList[moveNum - 1][0] == NULLCHAR) {
4760 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4761 DisplayError(str, 0);
4763 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4764 SendMoveToProgram(moveNum - 1, &first);
4771 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4772 /* If move comes from a remote source, animate it. If it
4773 isn't remote, it will have already been animated. */
4774 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4775 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4777 if (!pausing && appData.highlightLastMove) {
4778 SetHighlights(fromX, fromY, toX, toY);
4782 /* Start the clocks */
4783 whiteFlag = blackFlag = FALSE;
4784 appData.clockMode = !(basetime == 0 && increment == 0);
4786 ics_clock_paused = TRUE;
4788 } else if (ticking == 1) {
4789 ics_clock_paused = FALSE;
4791 if (gameMode == IcsIdle ||
4792 relation == RELATION_OBSERVING_STATIC ||
4793 relation == RELATION_EXAMINING ||
4795 DisplayBothClocks();
4799 /* Display opponents and material strengths */
4800 if (gameInfo.variant != VariantBughouse &&
4801 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4802 if (tinyLayout || smallLayout) {
4803 if(gameInfo.variant == VariantNormal)
4804 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4805 gameInfo.white, white_stren, gameInfo.black, black_stren,
4806 basetime, increment);
4808 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4809 gameInfo.white, white_stren, gameInfo.black, black_stren,
4810 basetime, increment, (int) gameInfo.variant);
4812 if(gameInfo.variant == VariantNormal)
4813 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4814 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4815 basetime, increment);
4817 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4818 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4819 basetime, increment, VariantName(gameInfo.variant));
4822 if (appData.debugMode) {
4823 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4828 /* Display the board */
4829 if (!pausing && !appData.noGUI) {
4831 if (appData.premove)
4833 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4834 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4835 ClearPremoveHighlights();
4837 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4838 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4839 DrawPosition(j, boards[currentMove]);
4841 DisplayMove(moveNum - 1);
4842 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4843 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4844 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4845 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4849 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4851 if(bookHit) { // [HGM] book: simulate book reply
4852 static char bookMove[MSG_SIZ]; // a bit generous?
4854 programStats.nodes = programStats.depth = programStats.time =
4855 programStats.score = programStats.got_only_move = 0;
4856 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4858 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4859 strcat(bookMove, bookHit);
4860 HandleMachineMove(bookMove, &first);
4869 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4870 ics_getting_history = H_REQUESTED;
4871 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4877 AnalysisPeriodicEvent (int force)
4879 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4880 && !force) || !appData.periodicUpdates)
4883 /* Send . command to Crafty to collect stats */
4884 SendToProgram(".\n", &first);
4886 /* Don't send another until we get a response (this makes
4887 us stop sending to old Crafty's which don't understand
4888 the "." command (sending illegal cmds resets node count & time,
4889 which looks bad)) */
4890 programStats.ok_to_send = 0;
4894 ics_update_width (int new_width)
4896 ics_printf("set width %d\n", new_width);
4900 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4904 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4905 // null move in variant where engine does not understand it (for analysis purposes)
4906 SendBoard(cps, moveNum + 1); // send position after move in stead.
4909 if (cps->useUsermove) {
4910 SendToProgram("usermove ", cps);
4914 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4915 int len = space - parseList[moveNum];
4916 memcpy(buf, parseList[moveNum], len);
4918 buf[len] = NULLCHAR;
4920 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4922 SendToProgram(buf, cps);
4924 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4925 AlphaRank(moveList[moveNum], 4);
4926 SendToProgram(moveList[moveNum], cps);
4927 AlphaRank(moveList[moveNum], 4); // and back
4929 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4930 * the engine. It would be nice to have a better way to identify castle
4932 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4933 && cps->useOOCastle) {
4934 int fromX = moveList[moveNum][0] - AAA;
4935 int fromY = moveList[moveNum][1] - ONE;
4936 int toX = moveList[moveNum][2] - AAA;
4937 int toY = moveList[moveNum][3] - ONE;
4938 if((boards[moveNum][fromY][fromX] == WhiteKing
4939 && boards[moveNum][toY][toX] == WhiteRook)
4940 || (boards[moveNum][fromY][fromX] == BlackKing
4941 && boards[moveNum][toY][toX] == BlackRook)) {
4942 if(toX > fromX) SendToProgram("O-O\n", cps);
4943 else SendToProgram("O-O-O\n", cps);
4945 else SendToProgram(moveList[moveNum], cps);
4947 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4948 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4949 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4950 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4951 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4953 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4954 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4955 SendToProgram(buf, cps);
4957 else SendToProgram(moveList[moveNum], cps);
4958 /* End of additions by Tord */
4961 /* [HGM] setting up the opening has brought engine in force mode! */
4962 /* Send 'go' if we are in a mode where machine should play. */
4963 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4964 (gameMode == TwoMachinesPlay ||
4966 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4968 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4969 SendToProgram("go\n", cps);
4970 if (appData.debugMode) {
4971 fprintf(debugFP, "(extra)\n");
4974 setboardSpoiledMachineBlack = 0;
4978 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4980 char user_move[MSG_SIZ];
4983 if(gameInfo.variant == VariantSChess && promoChar) {
4984 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4985 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4986 } else suffix[0] = NULLCHAR;
4990 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4991 (int)moveType, fromX, fromY, toX, toY);
4992 DisplayError(user_move + strlen("say "), 0);
4994 case WhiteKingSideCastle:
4995 case BlackKingSideCastle:
4996 case WhiteQueenSideCastleWild:
4997 case BlackQueenSideCastleWild:
4999 case WhiteHSideCastleFR:
5000 case BlackHSideCastleFR:
5002 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5004 case WhiteQueenSideCastle:
5005 case BlackQueenSideCastle:
5006 case WhiteKingSideCastleWild:
5007 case BlackKingSideCastleWild:
5009 case WhiteASideCastleFR:
5010 case BlackASideCastleFR:
5012 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5014 case WhiteNonPromotion:
5015 case BlackNonPromotion:
5016 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5018 case WhitePromotion:
5019 case BlackPromotion:
5020 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5021 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5022 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5023 PieceToChar(WhiteFerz));
5024 else if(gameInfo.variant == VariantGreat)
5025 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5026 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5027 PieceToChar(WhiteMan));
5029 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5030 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5036 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5037 ToUpper(PieceToChar((ChessSquare) fromX)),
5038 AAA + toX, ONE + toY);
5040 case IllegalMove: /* could be a variant we don't quite understand */
5041 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5043 case WhiteCapturesEnPassant:
5044 case BlackCapturesEnPassant:
5045 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5046 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5049 SendToICS(user_move);
5050 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5051 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5056 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5057 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5058 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5059 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5060 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5063 if(gameMode != IcsExamining) { // is this ever not the case?
5064 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5066 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5067 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5068 } else { // on FICS we must first go to general examine mode
5069 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5071 if(gameInfo.variant != VariantNormal) {
5072 // try figure out wild number, as xboard names are not always valid on ICS
5073 for(i=1; i<=36; i++) {
5074 snprintf(buf, MSG_SIZ, "wild/%d", i);
5075 if(StringToVariant(buf) == gameInfo.variant) break;
5077 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5078 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5079 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5080 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5081 SendToICS(ics_prefix);
5083 if(startedFromSetupPosition || backwardMostMove != 0) {
5084 fen = PositionToFEN(backwardMostMove, NULL);
5085 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5086 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5088 } else { // FICS: everything has to set by separate bsetup commands
5089 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5090 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5092 if(!WhiteOnMove(backwardMostMove)) {
5093 SendToICS("bsetup tomove black\n");
5095 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5096 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5098 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5099 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5101 i = boards[backwardMostMove][EP_STATUS];
5102 if(i >= 0) { // set e.p.
5103 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5109 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5110 SendToICS("bsetup done\n"); // switch to normal examining.
5112 for(i = backwardMostMove; i<last; i++) {
5114 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5117 SendToICS(ics_prefix);
5118 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5122 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5124 if (rf == DROP_RANK) {
5125 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5126 sprintf(move, "%c@%c%c\n",
5127 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5129 if (promoChar == 'x' || promoChar == NULLCHAR) {
5130 sprintf(move, "%c%c%c%c\n",
5131 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5133 sprintf(move, "%c%c%c%c%c\n",
5134 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5140 ProcessICSInitScript (FILE *f)
5144 while (fgets(buf, MSG_SIZ, f)) {
5145 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5152 static int lastX, lastY, selectFlag, dragging;
5157 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5158 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5159 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5160 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5161 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5162 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5165 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5166 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5167 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5168 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5171 appData.testLegality && (promoSweep == king ||
5172 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5173 ChangeDragPiece(promoSweep);
5177 PromoScroll (int x, int y)
5181 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5182 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5183 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5184 if(!step) return FALSE;
5185 lastX = x; lastY = y;
5186 if((promoSweep < BlackPawn) == flipView) step = -step;
5187 if(step > 0) selectFlag = 1;
5188 if(!selectFlag) Sweep(step);
5193 NextPiece (int step)
5195 ChessSquare piece = boards[currentMove][toY][toX];
5198 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5199 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5200 if(!step) step = -1;
5201 } while(PieceToChar(pieceSweep) == '.');
5202 boards[currentMove][toY][toX] = pieceSweep;
5203 DrawPosition(FALSE, boards[currentMove]);
5204 boards[currentMove][toY][toX] = piece;
5206 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5208 AlphaRank (char *move, int n)
5210 // char *p = move, c; int x, y;
5212 if (appData.debugMode) {
5213 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5217 move[2]>='0' && move[2]<='9' &&
5218 move[3]>='a' && move[3]<='x' ) {
5220 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5221 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5223 if(move[0]>='0' && move[0]<='9' &&
5224 move[1]>='a' && move[1]<='x' &&
5225 move[2]>='0' && move[2]<='9' &&
5226 move[3]>='a' && move[3]<='x' ) {
5227 /* input move, Shogi -> normal */
5228 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5229 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5230 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5231 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5234 move[3]>='0' && move[3]<='9' &&
5235 move[2]>='a' && move[2]<='x' ) {
5237 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5238 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5241 move[0]>='a' && move[0]<='x' &&
5242 move[3]>='0' && move[3]<='9' &&
5243 move[2]>='a' && move[2]<='x' ) {
5244 /* output move, normal -> Shogi */
5245 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5246 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5247 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5248 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5249 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5251 if (appData.debugMode) {
5252 fprintf(debugFP, " out = '%s'\n", move);
5256 char yy_textstr[8000];
5258 /* Parser for moves from gnuchess, ICS, or user typein box */
5260 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5262 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5264 switch (*moveType) {
5265 case WhitePromotion:
5266 case BlackPromotion:
5267 case WhiteNonPromotion:
5268 case BlackNonPromotion:
5270 case WhiteCapturesEnPassant:
5271 case BlackCapturesEnPassant:
5272 case WhiteKingSideCastle:
5273 case WhiteQueenSideCastle:
5274 case BlackKingSideCastle:
5275 case BlackQueenSideCastle:
5276 case WhiteKingSideCastleWild:
5277 case WhiteQueenSideCastleWild:
5278 case BlackKingSideCastleWild:
5279 case BlackQueenSideCastleWild:
5280 /* Code added by Tord: */
5281 case WhiteHSideCastleFR:
5282 case WhiteASideCastleFR:
5283 case BlackHSideCastleFR:
5284 case BlackASideCastleFR:
5285 /* End of code added by Tord */
5286 case IllegalMove: /* bug or odd chess variant */
5287 *fromX = currentMoveString[0] - AAA;
5288 *fromY = currentMoveString[1] - ONE;
5289 *toX = currentMoveString[2] - AAA;
5290 *toY = currentMoveString[3] - ONE;
5291 *promoChar = currentMoveString[4];
5292 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5293 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5294 if (appData.debugMode) {
5295 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5297 *fromX = *fromY = *toX = *toY = 0;
5300 if (appData.testLegality) {
5301 return (*moveType != IllegalMove);
5303 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5304 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5309 *fromX = *moveType == WhiteDrop ?
5310 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5311 (int) CharToPiece(ToLower(currentMoveString[0]));
5313 *toX = currentMoveString[2] - AAA;
5314 *toY = currentMoveString[3] - ONE;
5315 *promoChar = NULLCHAR;
5319 case ImpossibleMove:
5329 if (appData.debugMode) {
5330 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5333 *fromX = *fromY = *toX = *toY = 0;
5334 *promoChar = NULLCHAR;
5339 Boolean pushed = FALSE;
5340 char *lastParseAttempt;
5343 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5344 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5345 int fromX, fromY, toX, toY; char promoChar;
5350 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5351 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5354 endPV = forwardMostMove;
5356 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5357 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5358 lastParseAttempt = pv;
5359 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5360 if(!valid && nr == 0 &&
5361 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5362 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5363 // Hande case where played move is different from leading PV move
5364 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5365 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5367 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5368 endPV += 2; // if position different, keep this
5369 moveList[endPV-1][0] = fromX + AAA;
5370 moveList[endPV-1][1] = fromY + ONE;
5371 moveList[endPV-1][2] = toX + AAA;
5372 moveList[endPV-1][3] = toY + ONE;
5373 parseList[endPV-1][0] = NULLCHAR;
5374 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5377 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5378 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5379 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5380 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5381 valid++; // allow comments in PV
5385 if(endPV+1 > framePtr) break; // no space, truncate
5388 CopyBoard(boards[endPV], boards[endPV-1]);
5389 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5390 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5391 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5392 CoordsToAlgebraic(boards[endPV - 1],
5393 PosFlags(endPV - 1),
5394 fromY, fromX, toY, toX, promoChar,
5395 parseList[endPV - 1]);
5397 if(atEnd == 2) return; // used hidden, for PV conversion
5398 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5399 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5400 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5401 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5402 DrawPosition(TRUE, boards[currentMove]);
5406 MultiPV (ChessProgramState *cps)
5407 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5409 for(i=0; i<cps->nrOptions; i++)
5410 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5416 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5418 int startPV, multi, lineStart, origIndex = index;
5419 char *p, buf2[MSG_SIZ];
5421 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5422 lastX = x; lastY = y;
5423 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5424 lineStart = startPV = index;
5425 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5426 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5428 do{ while(buf[index] && buf[index] != '\n') index++;
5429 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5431 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5432 int n = first.option[multi].value;
5433 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5434 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5435 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5436 first.option[multi].value = n;
5439 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5440 ExcludeClick(origIndex - lineStart);
5443 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5444 *start = startPV; *end = index-1;
5451 static char buf[10*MSG_SIZ];
5452 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5454 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5455 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5456 for(i = forwardMostMove; i<endPV; i++){
5457 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5458 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5461 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5462 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5468 LoadPV (int x, int y)
5469 { // called on right mouse click to load PV
5470 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5471 lastX = x; lastY = y;
5472 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5479 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5480 if(endPV < 0) return;
5481 if(appData.autoCopyPV) CopyFENToClipboard();
5483 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5484 Boolean saveAnimate = appData.animate;
5486 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5487 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5488 } else storedGames--; // abandon shelved tail of original game
5491 forwardMostMove = currentMove;
5492 currentMove = oldFMM;
5493 appData.animate = FALSE;
5494 ToNrEvent(forwardMostMove);
5495 appData.animate = saveAnimate;
5497 currentMove = forwardMostMove;
5498 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5499 ClearPremoveHighlights();
5500 DrawPosition(TRUE, boards[currentMove]);
5504 MovePV (int x, int y, int h)
5505 { // step through PV based on mouse coordinates (called on mouse move)
5506 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5508 // we must somehow check if right button is still down (might be released off board!)
5509 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5510 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5511 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5513 lastX = x; lastY = y;
5515 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5516 if(endPV < 0) return;
5517 if(y < margin) step = 1; else
5518 if(y > h - margin) step = -1;
5519 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5520 currentMove += step;
5521 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5522 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5523 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5524 DrawPosition(FALSE, boards[currentMove]);
5528 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5529 // All positions will have equal probability, but the current method will not provide a unique
5530 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5536 int piecesLeft[(int)BlackPawn];
5537 int seed, nrOfShuffles;
5540 GetPositionNumber ()
5541 { // sets global variable seed
5544 seed = appData.defaultFrcPosition;
5545 if(seed < 0) { // randomize based on time for negative FRC position numbers
5546 for(i=0; i<50; i++) seed += random();
5547 seed = random() ^ random() >> 8 ^ random() << 8;
5548 if(seed<0) seed = -seed;
5553 put (Board board, int pieceType, int rank, int n, int shade)
5554 // put the piece on the (n-1)-th empty squares of the given shade
5558 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5559 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5560 board[rank][i] = (ChessSquare) pieceType;
5561 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5563 piecesLeft[pieceType]--;
5572 AddOnePiece (Board board, int pieceType, int rank, int shade)
5573 // calculate where the next piece goes, (any empty square), and put it there
5577 i = seed % squaresLeft[shade];
5578 nrOfShuffles *= squaresLeft[shade];
5579 seed /= squaresLeft[shade];
5580 put(board, pieceType, rank, i, shade);
5584 AddTwoPieces (Board board, int pieceType, int rank)
5585 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5587 int i, n=squaresLeft[ANY], j=n-1, k;
5589 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5590 i = seed % k; // pick one
5593 while(i >= j) i -= j--;
5594 j = n - 1 - j; i += j;
5595 put(board, pieceType, rank, j, ANY);
5596 put(board, pieceType, rank, i, ANY);
5600 SetUpShuffle (Board board, int number)
5604 GetPositionNumber(); nrOfShuffles = 1;
5606 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5607 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5608 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5610 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5612 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5613 p = (int) board[0][i];
5614 if(p < (int) BlackPawn) piecesLeft[p] ++;
5615 board[0][i] = EmptySquare;
5618 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5619 // shuffles restricted to allow normal castling put KRR first
5620 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5621 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5622 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5623 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5624 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5625 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5626 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5627 put(board, WhiteRook, 0, 0, ANY);
5628 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5631 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5632 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5633 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5634 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5635 while(piecesLeft[p] >= 2) {
5636 AddOnePiece(board, p, 0, LITE);
5637 AddOnePiece(board, p, 0, DARK);
5639 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5642 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5643 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5644 // but we leave King and Rooks for last, to possibly obey FRC restriction
5645 if(p == (int)WhiteRook) continue;
5646 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5647 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5650 // now everything is placed, except perhaps King (Unicorn) and Rooks
5652 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5653 // Last King gets castling rights
5654 while(piecesLeft[(int)WhiteUnicorn]) {
5655 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5656 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5659 while(piecesLeft[(int)WhiteKing]) {
5660 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5661 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5666 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5667 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5670 // Only Rooks can be left; simply place them all
5671 while(piecesLeft[(int)WhiteRook]) {
5672 i = put(board, WhiteRook, 0, 0, ANY);
5673 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5676 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5678 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5681 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5682 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5685 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5689 SetCharTable (char *table, const char * map)
5690 /* [HGM] moved here from winboard.c because of its general usefulness */
5691 /* Basically a safe strcpy that uses the last character as King */
5693 int result = FALSE; int NrPieces;
5695 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5696 && NrPieces >= 12 && !(NrPieces&1)) {
5697 int i; /* [HGM] Accept even length from 12 to 34 */
5699 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5700 for( i=0; i<NrPieces/2-1; i++ ) {
5702 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5704 table[(int) WhiteKing] = map[NrPieces/2-1];
5705 table[(int) BlackKing] = map[NrPieces-1];
5714 Prelude (Board board)
5715 { // [HGM] superchess: random selection of exo-pieces
5716 int i, j, k; ChessSquare p;
5717 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5719 GetPositionNumber(); // use FRC position number
5721 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5722 SetCharTable(pieceToChar, appData.pieceToCharTable);
5723 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5724 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5727 j = seed%4; seed /= 4;
5728 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5729 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5730 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5731 j = seed%3 + (seed%3 >= j); seed /= 3;
5732 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5733 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5734 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5735 j = seed%3; seed /= 3;
5736 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5737 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5738 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5739 j = seed%2 + (seed%2 >= j); seed /= 2;
5740 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5741 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5742 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5743 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5744 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5745 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5746 put(board, exoPieces[0], 0, 0, ANY);
5747 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5751 InitPosition (int redraw)
5753 ChessSquare (* pieces)[BOARD_FILES];
5754 int i, j, pawnRow, overrule,
5755 oldx = gameInfo.boardWidth,
5756 oldy = gameInfo.boardHeight,
5757 oldh = gameInfo.holdingsWidth;
5760 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5762 /* [AS] Initialize pv info list [HGM] and game status */
5764 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5765 pvInfoList[i].depth = 0;
5766 boards[i][EP_STATUS] = EP_NONE;
5767 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5770 initialRulePlies = 0; /* 50-move counter start */
5772 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5773 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5777 /* [HGM] logic here is completely changed. In stead of full positions */
5778 /* the initialized data only consist of the two backranks. The switch */
5779 /* selects which one we will use, which is than copied to the Board */
5780 /* initialPosition, which for the rest is initialized by Pawns and */
5781 /* empty squares. This initial position is then copied to boards[0], */
5782 /* possibly after shuffling, so that it remains available. */
5784 gameInfo.holdingsWidth = 0; /* default board sizes */
5785 gameInfo.boardWidth = 8;
5786 gameInfo.boardHeight = 8;
5787 gameInfo.holdingsSize = 0;
5788 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5789 for(i=0; i<BOARD_FILES-2; i++)
5790 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5791 initialPosition[EP_STATUS] = EP_NONE;
5792 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5793 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5794 SetCharTable(pieceNickName, appData.pieceNickNames);
5795 else SetCharTable(pieceNickName, "............");
5798 switch (gameInfo.variant) {
5799 case VariantFischeRandom:
5800 shuffleOpenings = TRUE;
5803 case VariantShatranj:
5804 pieces = ShatranjArray;
5805 nrCastlingRights = 0;
5806 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5809 pieces = makrukArray;
5810 nrCastlingRights = 0;
5811 startedFromSetupPosition = TRUE;
5812 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5814 case VariantTwoKings:
5815 pieces = twoKingsArray;
5818 pieces = GrandArray;
5819 nrCastlingRights = 0;
5820 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5821 gameInfo.boardWidth = 10;
5822 gameInfo.boardHeight = 10;
5823 gameInfo.holdingsSize = 7;
5825 case VariantCapaRandom:
5826 shuffleOpenings = TRUE;
5827 case VariantCapablanca:
5828 pieces = CapablancaArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5833 pieces = GothicArray;
5834 gameInfo.boardWidth = 10;
5835 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5838 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5839 gameInfo.holdingsSize = 7;
5842 pieces = JanusArray;
5843 gameInfo.boardWidth = 10;
5844 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5845 nrCastlingRights = 6;
5846 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5847 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5848 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5849 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5850 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5851 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5854 pieces = FalconArray;
5855 gameInfo.boardWidth = 10;
5856 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5858 case VariantXiangqi:
5859 pieces = XiangqiArray;
5860 gameInfo.boardWidth = 9;
5861 gameInfo.boardHeight = 10;
5862 nrCastlingRights = 0;
5863 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5866 pieces = ShogiArray;
5867 gameInfo.boardWidth = 9;
5868 gameInfo.boardHeight = 9;
5869 gameInfo.holdingsSize = 7;
5870 nrCastlingRights = 0;
5871 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5873 case VariantCourier:
5874 pieces = CourierArray;
5875 gameInfo.boardWidth = 12;
5876 nrCastlingRights = 0;
5877 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5879 case VariantKnightmate:
5880 pieces = KnightmateArray;
5881 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5883 case VariantSpartan:
5884 pieces = SpartanArray;
5885 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5888 pieces = fairyArray;
5889 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5892 pieces = GreatArray;
5893 gameInfo.boardWidth = 10;
5894 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5895 gameInfo.holdingsSize = 8;
5899 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5900 gameInfo.holdingsSize = 8;
5901 startedFromSetupPosition = TRUE;
5903 case VariantCrazyhouse:
5904 case VariantBughouse:
5906 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5907 gameInfo.holdingsSize = 5;
5909 case VariantWildCastle:
5911 /* !!?shuffle with kings guaranteed to be on d or e file */
5912 shuffleOpenings = 1;
5914 case VariantNoCastle:
5916 nrCastlingRights = 0;
5917 /* !!?unconstrained back-rank shuffle */
5918 shuffleOpenings = 1;
5923 if(appData.NrFiles >= 0) {
5924 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5925 gameInfo.boardWidth = appData.NrFiles;
5927 if(appData.NrRanks >= 0) {
5928 gameInfo.boardHeight = appData.NrRanks;
5930 if(appData.holdingsSize >= 0) {
5931 i = appData.holdingsSize;
5932 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5933 gameInfo.holdingsSize = i;
5935 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5936 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5937 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5939 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5940 if(pawnRow < 1) pawnRow = 1;
5941 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5943 /* User pieceToChar list overrules defaults */
5944 if(appData.pieceToCharTable != NULL)
5945 SetCharTable(pieceToChar, appData.pieceToCharTable);
5947 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5949 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5950 s = (ChessSquare) 0; /* account holding counts in guard band */
5951 for( i=0; i<BOARD_HEIGHT; i++ )
5952 initialPosition[i][j] = s;
5954 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5955 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5956 initialPosition[pawnRow][j] = WhitePawn;
5957 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5958 if(gameInfo.variant == VariantXiangqi) {
5960 initialPosition[pawnRow][j] =
5961 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5962 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5963 initialPosition[2][j] = WhiteCannon;
5964 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5968 if(gameInfo.variant == VariantGrand) {
5969 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5970 initialPosition[0][j] = WhiteRook;
5971 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5974 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5976 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5979 initialPosition[1][j] = WhiteBishop;
5980 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5982 initialPosition[1][j] = WhiteRook;
5983 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5986 if( nrCastlingRights == -1) {
5987 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5988 /* This sets default castling rights from none to normal corners */
5989 /* Variants with other castling rights must set them themselves above */
5990 nrCastlingRights = 6;
5992 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5993 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5994 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5995 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5996 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5997 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6000 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6001 if(gameInfo.variant == VariantGreat) { // promotion commoners
6002 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6003 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6004 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6005 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6007 if( gameInfo.variant == VariantSChess ) {
6008 initialPosition[1][0] = BlackMarshall;
6009 initialPosition[2][0] = BlackAngel;
6010 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6011 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6012 initialPosition[1][1] = initialPosition[2][1] =
6013 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6015 if (appData.debugMode) {
6016 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6018 if(shuffleOpenings) {
6019 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6020 startedFromSetupPosition = TRUE;
6022 if(startedFromPositionFile) {
6023 /* [HGM] loadPos: use PositionFile for every new game */
6024 CopyBoard(initialPosition, filePosition);
6025 for(i=0; i<nrCastlingRights; i++)
6026 initialRights[i] = filePosition[CASTLING][i];
6027 startedFromSetupPosition = TRUE;
6030 CopyBoard(boards[0], initialPosition);
6032 if(oldx != gameInfo.boardWidth ||
6033 oldy != gameInfo.boardHeight ||
6034 oldv != gameInfo.variant ||
6035 oldh != gameInfo.holdingsWidth
6037 InitDrawingSizes(-2 ,0);
6039 oldv = gameInfo.variant;
6041 DrawPosition(TRUE, boards[currentMove]);
6045 SendBoard (ChessProgramState *cps, int moveNum)
6047 char message[MSG_SIZ];
6049 if (cps->useSetboard) {
6050 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6051 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6052 SendToProgram(message, cps);
6057 int i, j, left=0, right=BOARD_WIDTH;
6058 /* Kludge to set black to move, avoiding the troublesome and now
6059 * deprecated "black" command.
6061 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6062 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6064 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6066 SendToProgram("edit\n", cps);
6067 SendToProgram("#\n", cps);
6068 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6069 bp = &boards[moveNum][i][left];
6070 for (j = left; j < right; j++, bp++) {
6071 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6072 if ((int) *bp < (int) BlackPawn) {
6073 if(j == BOARD_RGHT+1)
6074 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6075 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6076 if(message[0] == '+' || message[0] == '~') {
6077 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6078 PieceToChar((ChessSquare)(DEMOTED *bp)),
6081 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6082 message[1] = BOARD_RGHT - 1 - j + '1';
6083 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6085 SendToProgram(message, cps);
6090 SendToProgram("c\n", cps);
6091 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6092 bp = &boards[moveNum][i][left];
6093 for (j = left; j < right; j++, bp++) {
6094 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6095 if (((int) *bp != (int) EmptySquare)
6096 && ((int) *bp >= (int) BlackPawn)) {
6097 if(j == BOARD_LEFT-2)
6098 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6099 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6101 if(message[0] == '+' || message[0] == '~') {
6102 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6103 PieceToChar((ChessSquare)(DEMOTED *bp)),
6106 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6107 message[1] = BOARD_RGHT - 1 - j + '1';
6108 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6110 SendToProgram(message, cps);
6115 SendToProgram(".\n", cps);
6117 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6120 char exclusionHeader[MSG_SIZ];
6121 int exCnt, excludePtr;
6122 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6123 static Exclusion excluTab[200];
6124 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6130 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6131 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6137 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6138 excludePtr = 24; exCnt = 0;
6143 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6144 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6145 char buf[2*MOVE_LEN], *p;
6146 Exclusion *e = excluTab;
6148 for(i=0; i<exCnt; i++)
6149 if(e[i].ff == fromX && e[i].fr == fromY &&
6150 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6151 if(i == exCnt) { // was not in exclude list; add it
6152 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6153 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6154 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6157 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6158 excludePtr++; e[i].mark = excludePtr++;
6159 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6162 exclusionHeader[e[i].mark] = state;
6166 ExcludeOneMove (int fromY, int fromX, int toY, int toX, signed char promoChar, char state)
6167 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6171 if(promoChar == -1) { // kludge to indicate best move
6172 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6173 return 1; // if unparsable, abort
6175 // update exclusion map (resolving toggle by consulting existing state)
6176 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6178 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6179 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6180 excludeMap[k] |= 1<<j;
6181 else excludeMap[k] &= ~(1<<j);
6183 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6185 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6186 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6187 SendToProgram(buf, &first);
6188 return (state == '+');
6192 ExcludeClick (int index)
6195 Exclusion *e = excluTab;
6196 if(index < 25) { // none, best or tail clicked
6197 if(index < 13) { // none: include all
6198 WriteMap(0); // clear map
6199 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6200 SendToProgram("include all\n", &first); // and inform engine
6201 } else if(index > 18) { // tail
6202 if(exclusionHeader[19] == '-') { // tail was excluded
6203 SendToProgram("include all\n", &first);
6204 WriteMap(0); // clear map completely
6205 // now re-exclude selected moves
6206 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6207 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6208 } else { // tail was included or in mixed state
6209 SendToProgram("exclude all\n", &first);
6210 WriteMap(0xFF); // fill map completely
6211 // now re-include selected moves
6212 j = 0; // count them
6213 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6214 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6215 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6218 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6221 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6222 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6223 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6230 DefaultPromoChoice (int white)
6233 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6234 result = WhiteFerz; // no choice
6235 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6236 result= WhiteKing; // in Suicide Q is the last thing we want
6237 else if(gameInfo.variant == VariantSpartan)
6238 result = white ? WhiteQueen : WhiteAngel;
6239 else result = WhiteQueen;
6240 if(!white) result = WHITE_TO_BLACK result;
6244 static int autoQueen; // [HGM] oneclick
6247 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6249 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6250 /* [HGM] add Shogi promotions */
6251 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6256 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6257 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6259 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6260 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6263 piece = boards[currentMove][fromY][fromX];
6264 if(gameInfo.variant == VariantShogi) {
6265 promotionZoneSize = BOARD_HEIGHT/3;
6266 highestPromotingPiece = (int)WhiteFerz;
6267 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6268 promotionZoneSize = 3;
6271 // Treat Lance as Pawn when it is not representing Amazon
6272 if(gameInfo.variant != VariantSuper) {
6273 if(piece == WhiteLance) piece = WhitePawn; else
6274 if(piece == BlackLance) piece = BlackPawn;
6277 // next weed out all moves that do not touch the promotion zone at all
6278 if((int)piece >= BlackPawn) {
6279 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6281 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6283 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6284 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6287 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6289 // weed out mandatory Shogi promotions
6290 if(gameInfo.variant == VariantShogi) {
6291 if(piece >= BlackPawn) {
6292 if(toY == 0 && piece == BlackPawn ||
6293 toY == 0 && piece == BlackQueen ||
6294 toY <= 1 && piece == BlackKnight) {
6299 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6300 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6301 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6308 // weed out obviously illegal Pawn moves
6309 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6310 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6311 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6312 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6313 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6314 // note we are not allowed to test for valid (non-)capture, due to premove
6317 // we either have a choice what to promote to, or (in Shogi) whether to promote
6318 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6319 *promoChoice = PieceToChar(BlackFerz); // no choice
6322 // no sense asking what we must promote to if it is going to explode...
6323 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6324 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6327 // give caller the default choice even if we will not make it
6328 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6329 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6330 if( sweepSelect && gameInfo.variant != VariantGreat
6331 && gameInfo.variant != VariantGrand
6332 && gameInfo.variant != VariantSuper) return FALSE;
6333 if(autoQueen) return FALSE; // predetermined
6335 // suppress promotion popup on illegal moves that are not premoves
6336 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6337 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6338 if(appData.testLegality && !premove) {
6339 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6340 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6341 if(moveType != WhitePromotion && moveType != BlackPromotion)
6349 InPalace (int row, int column)
6350 { /* [HGM] for Xiangqi */
6351 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6352 column < (BOARD_WIDTH + 4)/2 &&
6353 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6358 PieceForSquare (int x, int y)
6360 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6363 return boards[currentMove][y][x];
6367 OKToStartUserMove (int x, int y)
6369 ChessSquare from_piece;
6372 if (matchMode) return FALSE;
6373 if (gameMode == EditPosition) return TRUE;
6375 if (x >= 0 && y >= 0)
6376 from_piece = boards[currentMove][y][x];
6378 from_piece = EmptySquare;
6380 if (from_piece == EmptySquare) return FALSE;
6382 white_piece = (int)from_piece >= (int)WhitePawn &&
6383 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6387 case TwoMachinesPlay:
6395 case MachinePlaysWhite:
6396 case IcsPlayingBlack:
6397 if (appData.zippyPlay) return FALSE;
6399 DisplayMoveError(_("You are playing Black"));
6404 case MachinePlaysBlack:
6405 case IcsPlayingWhite:
6406 if (appData.zippyPlay) return FALSE;
6408 DisplayMoveError(_("You are playing White"));
6413 case PlayFromGameFile:
6414 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6416 if (!white_piece && WhiteOnMove(currentMove)) {
6417 DisplayMoveError(_("It is White's turn"));
6420 if (white_piece && !WhiteOnMove(currentMove)) {
6421 DisplayMoveError(_("It is Black's turn"));
6424 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6425 /* Editing correspondence game history */
6426 /* Could disallow this or prompt for confirmation */
6431 case BeginningOfGame:
6432 if (appData.icsActive) return FALSE;
6433 if (!appData.noChessProgram) {
6435 DisplayMoveError(_("You are playing White"));
6442 if (!white_piece && WhiteOnMove(currentMove)) {
6443 DisplayMoveError(_("It is White's turn"));
6446 if (white_piece && !WhiteOnMove(currentMove)) {
6447 DisplayMoveError(_("It is Black's turn"));
6456 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6457 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6458 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6459 && gameMode != AnalyzeFile && gameMode != Training) {
6460 DisplayMoveError(_("Displayed position is not current"));
6467 OnlyMove (int *x, int *y, Boolean captures)
6469 DisambiguateClosure cl;
6470 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6472 case MachinePlaysBlack:
6473 case IcsPlayingWhite:
6474 case BeginningOfGame:
6475 if(!WhiteOnMove(currentMove)) return FALSE;
6477 case MachinePlaysWhite:
6478 case IcsPlayingBlack:
6479 if(WhiteOnMove(currentMove)) return FALSE;
6486 cl.pieceIn = EmptySquare;
6491 cl.promoCharIn = NULLCHAR;
6492 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6493 if( cl.kind == NormalMove ||
6494 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6495 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6496 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6503 if(cl.kind != ImpossibleMove) return FALSE;
6504 cl.pieceIn = EmptySquare;
6509 cl.promoCharIn = NULLCHAR;
6510 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6511 if( cl.kind == NormalMove ||
6512 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6513 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6514 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6519 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6525 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6526 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6527 int lastLoadGameUseList = FALSE;
6528 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6529 ChessMove lastLoadGameStart = EndOfFile;
6533 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6536 ChessSquare pdown, pup;
6537 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6540 /* Check if the user is playing in turn. This is complicated because we
6541 let the user "pick up" a piece before it is his turn. So the piece he
6542 tried to pick up may have been captured by the time he puts it down!
6543 Therefore we use the color the user is supposed to be playing in this
6544 test, not the color of the piece that is currently on the starting
6545 square---except in EditGame mode, where the user is playing both
6546 sides; fortunately there the capture race can't happen. (It can
6547 now happen in IcsExamining mode, but that's just too bad. The user
6548 will get a somewhat confusing message in that case.)
6553 case TwoMachinesPlay:
6557 /* We switched into a game mode where moves are not accepted,
6558 perhaps while the mouse button was down. */
6561 case MachinePlaysWhite:
6562 /* User is moving for Black */
6563 if (WhiteOnMove(currentMove)) {
6564 DisplayMoveError(_("It is White's turn"));
6569 case MachinePlaysBlack:
6570 /* User is moving for White */
6571 if (!WhiteOnMove(currentMove)) {
6572 DisplayMoveError(_("It is Black's turn"));
6577 case PlayFromGameFile:
6578 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6581 case BeginningOfGame:
6584 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6585 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6586 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6587 /* User is moving for Black */
6588 if (WhiteOnMove(currentMove)) {
6589 DisplayMoveError(_("It is White's turn"));
6593 /* User is moving for White */
6594 if (!WhiteOnMove(currentMove)) {
6595 DisplayMoveError(_("It is Black's turn"));
6601 case IcsPlayingBlack:
6602 /* User is moving for Black */
6603 if (WhiteOnMove(currentMove)) {
6604 if (!appData.premove) {
6605 DisplayMoveError(_("It is White's turn"));
6606 } else if (toX >= 0 && toY >= 0) {
6609 premoveFromX = fromX;
6610 premoveFromY = fromY;
6611 premovePromoChar = promoChar;
6613 if (appData.debugMode)
6614 fprintf(debugFP, "Got premove: fromX %d,"
6615 "fromY %d, toX %d, toY %d\n",
6616 fromX, fromY, toX, toY);
6622 case IcsPlayingWhite:
6623 /* User is moving for White */
6624 if (!WhiteOnMove(currentMove)) {
6625 if (!appData.premove) {
6626 DisplayMoveError(_("It is Black's turn"));
6627 } else if (toX >= 0 && toY >= 0) {
6630 premoveFromX = fromX;
6631 premoveFromY = fromY;
6632 premovePromoChar = promoChar;
6634 if (appData.debugMode)
6635 fprintf(debugFP, "Got premove: fromX %d,"
6636 "fromY %d, toX %d, toY %d\n",
6637 fromX, fromY, toX, toY);
6647 /* EditPosition, empty square, or different color piece;
6648 click-click move is possible */
6649 if (toX == -2 || toY == -2) {
6650 boards[0][fromY][fromX] = EmptySquare;
6651 DrawPosition(FALSE, boards[currentMove]);
6653 } else if (toX >= 0 && toY >= 0) {
6654 boards[0][toY][toX] = boards[0][fromY][fromX];
6655 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6656 if(boards[0][fromY][0] != EmptySquare) {
6657 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6658 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6661 if(fromX == BOARD_RGHT+1) {
6662 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6663 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6664 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6667 boards[0][fromY][fromX] = gatingPiece;
6668 DrawPosition(FALSE, boards[currentMove]);
6674 if(toX < 0 || toY < 0) return;
6675 pdown = boards[currentMove][fromY][fromX];
6676 pup = boards[currentMove][toY][toX];
6678 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6679 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6680 if( pup != EmptySquare ) return;
6681 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6682 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6683 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6684 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6685 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6686 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6687 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6691 /* [HGM] always test for legality, to get promotion info */
6692 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6693 fromY, fromX, toY, toX, promoChar);
6695 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6697 /* [HGM] but possibly ignore an IllegalMove result */
6698 if (appData.testLegality) {
6699 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6700 DisplayMoveError(_("Illegal move"));
6705 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6706 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6707 ClearPremoveHighlights(); // was included
6708 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6712 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6715 /* Common tail of UserMoveEvent and DropMenuEvent */
6717 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6721 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6722 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6723 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6724 if(WhiteOnMove(currentMove)) {
6725 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6727 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6731 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6732 move type in caller when we know the move is a legal promotion */
6733 if(moveType == NormalMove && promoChar)
6734 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6736 /* [HGM] <popupFix> The following if has been moved here from
6737 UserMoveEvent(). Because it seemed to belong here (why not allow
6738 piece drops in training games?), and because it can only be
6739 performed after it is known to what we promote. */
6740 if (gameMode == Training) {
6741 /* compare the move played on the board to the next move in the
6742 * game. If they match, display the move and the opponent's response.
6743 * If they don't match, display an error message.
6747 CopyBoard(testBoard, boards[currentMove]);
6748 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6750 if (CompareBoards(testBoard, boards[currentMove+1])) {
6751 ForwardInner(currentMove+1);
6753 /* Autoplay the opponent's response.
6754 * if appData.animate was TRUE when Training mode was entered,
6755 * the response will be animated.
6757 saveAnimate = appData.animate;
6758 appData.animate = animateTraining;
6759 ForwardInner(currentMove+1);
6760 appData.animate = saveAnimate;
6762 /* check for the end of the game */
6763 if (currentMove >= forwardMostMove) {
6764 gameMode = PlayFromGameFile;
6766 SetTrainingModeOff();
6767 DisplayInformation(_("End of game"));
6770 DisplayError(_("Incorrect move"), 0);
6775 /* Ok, now we know that the move is good, so we can kill
6776 the previous line in Analysis Mode */
6777 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6778 && currentMove < forwardMostMove) {
6779 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6780 else forwardMostMove = currentMove;
6785 /* If we need the chess program but it's dead, restart it */
6786 ResurrectChessProgram();
6788 /* A user move restarts a paused game*/
6792 thinkOutput[0] = NULLCHAR;
6794 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6796 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6797 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6801 if (gameMode == BeginningOfGame) {
6802 if (appData.noChessProgram) {
6803 gameMode = EditGame;
6807 gameMode = MachinePlaysBlack;
6810 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6812 if (first.sendName) {
6813 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6814 SendToProgram(buf, &first);
6821 /* Relay move to ICS or chess engine */
6822 if (appData.icsActive) {
6823 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6824 gameMode == IcsExamining) {
6825 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6826 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6828 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6830 // also send plain move, in case ICS does not understand atomic claims
6831 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6835 if (first.sendTime && (gameMode == BeginningOfGame ||
6836 gameMode == MachinePlaysWhite ||
6837 gameMode == MachinePlaysBlack)) {
6838 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6840 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6841 // [HGM] book: if program might be playing, let it use book
6842 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6843 first.maybeThinking = TRUE;
6844 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6845 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6846 SendBoard(&first, currentMove+1);
6847 } else SendMoveToProgram(forwardMostMove-1, &first);
6848 if (currentMove == cmailOldMove + 1) {
6849 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6853 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6857 if(appData.testLegality)
6858 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6864 if (WhiteOnMove(currentMove)) {
6865 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6867 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6871 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6876 case MachinePlaysBlack:
6877 case MachinePlaysWhite:
6878 /* disable certain menu options while machine is thinking */
6879 SetMachineThinkingEnables();
6886 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6887 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6889 if(bookHit) { // [HGM] book: simulate book reply
6890 static char bookMove[MSG_SIZ]; // a bit generous?
6892 programStats.nodes = programStats.depth = programStats.time =
6893 programStats.score = programStats.got_only_move = 0;
6894 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6896 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6897 strcat(bookMove, bookHit);
6898 HandleMachineMove(bookMove, &first);
6904 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6906 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6907 Markers *m = (Markers *) closure;
6908 if(rf == fromY && ff == fromX)
6909 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6910 || kind == WhiteCapturesEnPassant
6911 || kind == BlackCapturesEnPassant);
6912 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6916 MarkTargetSquares (int clear)
6919 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6920 !appData.testLegality || gameMode == EditPosition) return;
6922 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6925 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6926 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6927 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6929 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6932 DrawPosition(TRUE, NULL);
6936 Explode (Board board, int fromX, int fromY, int toX, int toY)
6938 if(gameInfo.variant == VariantAtomic &&
6939 (board[toY][toX] != EmptySquare || // capture?
6940 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6941 board[fromY][fromX] == BlackPawn )
6943 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6949 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6952 CanPromote (ChessSquare piece, int y)
6954 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6955 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6956 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6957 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6958 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6959 gameInfo.variant == VariantMakruk) return FALSE;
6960 return (piece == BlackPawn && y == 1 ||
6961 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6962 piece == BlackLance && y == 1 ||
6963 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6967 LeftClick (ClickType clickType, int xPix, int yPix)
6970 Boolean saveAnimate;
6971 static int second = 0, promotionChoice = 0, clearFlag = 0;
6972 char promoChoice = NULLCHAR;
6974 static TimeMark lastClickTime, prevClickTime;
6976 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6978 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
6980 if (clickType == Press) ErrorPopDown();
6982 x = EventToSquare(xPix, BOARD_WIDTH);
6983 y = EventToSquare(yPix, BOARD_HEIGHT);
6984 if (!flipView && y >= 0) {
6985 y = BOARD_HEIGHT - 1 - y;
6987 if (flipView && x >= 0) {
6988 x = BOARD_WIDTH - 1 - x;
6991 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6992 defaultPromoChoice = promoSweep;
6993 promoSweep = EmptySquare; // terminate sweep
6994 promoDefaultAltered = TRUE;
6995 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6998 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6999 if(clickType == Release) return; // ignore upclick of click-click destination
7000 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7001 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7002 if(gameInfo.holdingsWidth &&
7003 (WhiteOnMove(currentMove)
7004 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7005 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7006 // click in right holdings, for determining promotion piece
7007 ChessSquare p = boards[currentMove][y][x];
7008 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7009 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7010 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7011 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7016 DrawPosition(FALSE, boards[currentMove]);
7020 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7021 if(clickType == Press
7022 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7023 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7024 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7027 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7028 // could be static click on premove from-square: abort premove
7030 ClearPremoveHighlights();
7033 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7034 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7036 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7037 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7038 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7039 defaultPromoChoice = DefaultPromoChoice(side);
7042 autoQueen = appData.alwaysPromoteToQueen;
7046 gatingPiece = EmptySquare;
7047 if (clickType != Press) {
7048 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7049 DragPieceEnd(xPix, yPix); dragging = 0;
7050 DrawPosition(FALSE, NULL);
7054 doubleClick = FALSE;
7055 fromX = x; fromY = y; toX = toY = -1;
7056 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7057 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7058 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7060 if (OKToStartUserMove(fromX, fromY)) {
7062 MarkTargetSquares(0);
7063 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7064 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7065 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7066 promoSweep = defaultPromoChoice;
7067 selectFlag = 0; lastX = xPix; lastY = yPix;
7068 Sweep(0); // Pawn that is going to promote: preview promotion piece
7069 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7071 if (appData.highlightDragging) {
7072 SetHighlights(fromX, fromY, -1, -1);
7074 } else fromX = fromY = -1;
7080 if (clickType == Press && gameMode != EditPosition) {
7085 // ignore off-board to clicks
7086 if(y < 0 || x < 0) return;
7088 /* Check if clicking again on the same color piece */
7089 fromP = boards[currentMove][fromY][fromX];
7090 toP = boards[currentMove][y][x];
7091 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7092 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7093 WhitePawn <= toP && toP <= WhiteKing &&
7094 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7095 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7096 (BlackPawn <= fromP && fromP <= BlackKing &&
7097 BlackPawn <= toP && toP <= BlackKing &&
7098 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7099 !(fromP == BlackKing && toP == BlackRook && frc))) {
7100 /* Clicked again on same color piece -- changed his mind */
7101 second = (x == fromX && y == fromY);
7102 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7103 second = FALSE; // first double-click rather than scond click
7104 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7106 promoDefaultAltered = FALSE;
7107 MarkTargetSquares(1);
7108 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7109 if (appData.highlightDragging) {
7110 SetHighlights(x, y, -1, -1);
7114 if (OKToStartUserMove(x, y)) {
7115 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7116 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7117 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7118 gatingPiece = boards[currentMove][fromY][fromX];
7119 else gatingPiece = doubleClick ? fromP : EmptySquare;
7121 fromY = y; dragging = 1;
7122 MarkTargetSquares(0);
7123 DragPieceBegin(xPix, yPix, FALSE);
7124 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7125 promoSweep = defaultPromoChoice;
7126 selectFlag = 0; lastX = xPix; lastY = yPix;
7127 Sweep(0); // Pawn that is going to promote: preview promotion piece
7131 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7134 // ignore clicks on holdings
7135 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7138 if (clickType == Release && x == fromX && y == fromY) {
7139 DragPieceEnd(xPix, yPix); dragging = 0;
7141 // a deferred attempt to click-click move an empty square on top of a piece
7142 boards[currentMove][y][x] = EmptySquare;
7144 DrawPosition(FALSE, boards[currentMove]);
7145 fromX = fromY = -1; clearFlag = 0;
7148 if (appData.animateDragging) {
7149 /* Undo animation damage if any */
7150 DrawPosition(FALSE, NULL);
7153 /* Second up/down in same square; just abort move */
7156 gatingPiece = EmptySquare;
7159 ClearPremoveHighlights();
7161 /* First upclick in same square; start click-click mode */
7162 SetHighlights(x, y, -1, -1);
7169 /* we now have a different from- and (possibly off-board) to-square */
7170 /* Completed move */
7173 saveAnimate = appData.animate;
7174 MarkTargetSquares(1);
7175 if (clickType == Press) {
7176 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7177 // must be Edit Position mode with empty-square selected
7178 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7179 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7182 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7183 ChessSquare piece = boards[currentMove][fromY][fromX];
7184 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7185 promoSweep = defaultPromoChoice;
7186 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7187 selectFlag = 0; lastX = xPix; lastY = yPix;
7188 Sweep(0); // Pawn that is going to promote: preview promotion piece
7189 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7190 DrawPosition(FALSE, boards[currentMove]);
7193 /* Finish clickclick move */
7194 if (appData.animate || appData.highlightLastMove) {
7195 SetHighlights(fromX, fromY, toX, toY);
7200 /* Finish drag move */
7201 if (appData.highlightLastMove) {
7202 SetHighlights(fromX, fromY, toX, toY);
7206 DragPieceEnd(xPix, yPix); dragging = 0;
7207 /* Don't animate move and drag both */
7208 appData.animate = FALSE;
7211 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7212 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7213 ChessSquare piece = boards[currentMove][fromY][fromX];
7214 if(gameMode == EditPosition && piece != EmptySquare &&
7215 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7218 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7219 n = PieceToNumber(piece - (int)BlackPawn);
7220 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7221 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7222 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7224 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7225 n = PieceToNumber(piece);
7226 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7227 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7228 boards[currentMove][n][BOARD_WIDTH-2]++;
7230 boards[currentMove][fromY][fromX] = EmptySquare;
7234 DrawPosition(TRUE, boards[currentMove]);
7238 // off-board moves should not be highlighted
7239 if(x < 0 || y < 0) ClearHighlights();
7241 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7243 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7244 SetHighlights(fromX, fromY, toX, toY);
7245 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7246 // [HGM] super: promotion to captured piece selected from holdings
7247 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7248 promotionChoice = TRUE;
7249 // kludge follows to temporarily execute move on display, without promoting yet
7250 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7251 boards[currentMove][toY][toX] = p;
7252 DrawPosition(FALSE, boards[currentMove]);
7253 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7254 boards[currentMove][toY][toX] = q;
7255 DisplayMessage("Click in holdings to choose piece", "");
7260 int oldMove = currentMove;
7261 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7262 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7263 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7264 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7265 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7266 DrawPosition(TRUE, boards[currentMove]);
7269 appData.animate = saveAnimate;
7270 if (appData.animate || appData.animateDragging) {
7271 /* Undo animation damage if needed */
7272 DrawPosition(FALSE, NULL);
7277 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7278 { // front-end-free part taken out of PieceMenuPopup
7279 int whichMenu; int xSqr, ySqr;
7281 if(seekGraphUp) { // [HGM] seekgraph
7282 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7283 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7287 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7288 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7289 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7290 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7291 if(action == Press) {
7292 originalFlip = flipView;
7293 flipView = !flipView; // temporarily flip board to see game from partners perspective
7294 DrawPosition(TRUE, partnerBoard);
7295 DisplayMessage(partnerStatus, "");
7297 } else if(action == Release) {
7298 flipView = originalFlip;
7299 DrawPosition(TRUE, boards[currentMove]);
7305 xSqr = EventToSquare(x, BOARD_WIDTH);
7306 ySqr = EventToSquare(y, BOARD_HEIGHT);
7307 if (action == Release) {
7308 if(pieceSweep != EmptySquare) {
7309 EditPositionMenuEvent(pieceSweep, toX, toY);
7310 pieceSweep = EmptySquare;
7311 } else UnLoadPV(); // [HGM] pv
7313 if (action != Press) return -2; // return code to be ignored
7316 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7318 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7319 if (xSqr < 0 || ySqr < 0) return -1;
7320 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7321 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7322 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7323 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7327 if(!appData.icsEngineAnalyze) return -1;
7328 case IcsPlayingWhite:
7329 case IcsPlayingBlack:
7330 if(!appData.zippyPlay) goto noZip;
7333 case MachinePlaysWhite:
7334 case MachinePlaysBlack:
7335 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7336 if (!appData.dropMenu) {
7338 return 2; // flag front-end to grab mouse events
7340 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7341 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7344 if (xSqr < 0 || ySqr < 0) return -1;
7345 if (!appData.dropMenu || appData.testLegality &&
7346 gameInfo.variant != VariantBughouse &&
7347 gameInfo.variant != VariantCrazyhouse) return -1;
7348 whichMenu = 1; // drop menu
7354 if (((*fromX = xSqr) < 0) ||
7355 ((*fromY = ySqr) < 0)) {
7356 *fromX = *fromY = -1;
7360 *fromX = BOARD_WIDTH - 1 - *fromX;
7362 *fromY = BOARD_HEIGHT - 1 - *fromY;
7368 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7370 // char * hint = lastHint;
7371 FrontEndProgramStats stats;
7373 stats.which = cps == &first ? 0 : 1;
7374 stats.depth = cpstats->depth;
7375 stats.nodes = cpstats->nodes;
7376 stats.score = cpstats->score;
7377 stats.time = cpstats->time;
7378 stats.pv = cpstats->movelist;
7379 stats.hint = lastHint;
7380 stats.an_move_index = 0;
7381 stats.an_move_count = 0;
7383 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7384 stats.hint = cpstats->move_name;
7385 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7386 stats.an_move_count = cpstats->nr_moves;
7389 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
7391 SetProgramStats( &stats );
7395 ClearEngineOutputPane (int which)
7397 static FrontEndProgramStats dummyStats;
7398 dummyStats.which = which;
7399 dummyStats.pv = "#";
7400 SetProgramStats( &dummyStats );
7403 #define MAXPLAYERS 500
7406 TourneyStandings (int display)
7408 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7409 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7410 char result, *p, *names[MAXPLAYERS];
7412 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7413 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7414 names[0] = p = strdup(appData.participants);
7415 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7417 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7419 while(result = appData.results[nr]) {
7420 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7421 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7422 wScore = bScore = 0;
7424 case '+': wScore = 2; break;
7425 case '-': bScore = 2; break;
7426 case '=': wScore = bScore = 1; break;
7428 case '*': return strdup("busy"); // tourney not finished
7436 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7437 for(w=0; w<nPlayers; w++) {
7439 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7440 ranking[w] = b; points[w] = bScore; score[b] = -2;
7442 p = malloc(nPlayers*34+1);
7443 for(w=0; w<nPlayers && w<display; w++)
7444 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7450 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7451 { // count all piece types
7453 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7454 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7455 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7458 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7459 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7460 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7461 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7462 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7463 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7468 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7470 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7471 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7473 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7474 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7475 if(myPawns == 2 && nMine == 3) // KPP
7476 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7477 if(myPawns == 1 && nMine == 2) // KP
7478 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7479 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7480 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7481 if(myPawns) return FALSE;
7482 if(pCnt[WhiteRook+side])
7483 return pCnt[BlackRook-side] ||
7484 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7485 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7486 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7487 if(pCnt[WhiteCannon+side]) {
7488 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7489 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7491 if(pCnt[WhiteKnight+side])
7492 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7497 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7499 VariantClass v = gameInfo.variant;
7501 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7502 if(v == VariantShatranj) return TRUE; // always winnable through baring
7503 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7504 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7506 if(v == VariantXiangqi) {
7507 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7509 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7510 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7511 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7512 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7513 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7514 if(stale) // we have at least one last-rank P plus perhaps C
7515 return majors // KPKX
7516 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7518 return pCnt[WhiteFerz+side] // KCAK
7519 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7520 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7521 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7523 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7524 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7526 if(nMine == 1) return FALSE; // bare King
7527 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
7528 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7529 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7530 // by now we have King + 1 piece (or multiple Bishops on the same color)
7531 if(pCnt[WhiteKnight+side])
7532 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7533 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7534 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7536 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7537 if(pCnt[WhiteAlfil+side])
7538 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7539 if(pCnt[WhiteWazir+side])
7540 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7547 CompareWithRights (Board b1, Board b2)
7550 if(!CompareBoards(b1, b2)) return FALSE;
7551 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7552 /* compare castling rights */
7553 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7554 rights++; /* King lost rights, while rook still had them */
7555 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7556 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7557 rights++; /* but at least one rook lost them */
7559 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7561 if( b1[CASTLING][5] != NoRights ) {
7562 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7569 Adjudicate (ChessProgramState *cps)
7570 { // [HGM] some adjudications useful with buggy engines
7571 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7572 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7573 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7574 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7575 int k, count = 0; static int bare = 1;
7576 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7577 Boolean canAdjudicate = !appData.icsActive;
7579 // most tests only when we understand the game, i.e. legality-checking on
7580 if( appData.testLegality )
7581 { /* [HGM] Some more adjudications for obstinate engines */
7582 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7583 static int moveCount = 6;
7585 char *reason = NULL;
7587 /* Count what is on board. */
7588 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7590 /* Some material-based adjudications that have to be made before stalemate test */
7591 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7592 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7593 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7594 if(canAdjudicate && appData.checkMates) {
7596 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7597 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7598 "Xboard adjudication: King destroyed", GE_XBOARD );
7603 /* Bare King in Shatranj (loses) or Losers (wins) */
7604 if( nrW == 1 || nrB == 1) {
7605 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7606 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7607 if(canAdjudicate && appData.checkMates) {
7609 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7610 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7611 "Xboard adjudication: Bare king", GE_XBOARD );
7615 if( gameInfo.variant == VariantShatranj && --bare < 0)
7617 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7618 if(canAdjudicate && appData.checkMates) {
7619 /* but only adjudicate if adjudication enabled */
7621 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7622 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7623 "Xboard adjudication: Bare king", GE_XBOARD );
7630 // don't wait for engine to announce game end if we can judge ourselves
7631 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7633 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7634 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7635 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7636 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7639 reason = "Xboard adjudication: 3rd check";
7640 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7650 reason = "Xboard adjudication: Stalemate";
7651 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7652 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7653 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7654 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7655 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7656 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7657 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7658 EP_CHECKMATE : EP_WINS);
7659 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7660 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7664 reason = "Xboard adjudication: Checkmate";
7665 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7669 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7671 result = GameIsDrawn; break;
7673 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7675 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7679 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7681 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7682 GameEnds( result, reason, GE_XBOARD );
7686 /* Next absolutely insufficient mating material. */
7687 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7688 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7689 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7691 /* always flag draws, for judging claims */
7692 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7694 if(canAdjudicate && appData.materialDraws) {
7695 /* but only adjudicate them if adjudication enabled */
7696 if(engineOpponent) {
7697 SendToProgram("force\n", engineOpponent); // suppress reply
7698 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7700 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7705 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7706 if(gameInfo.variant == VariantXiangqi ?
7707 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7709 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7710 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7711 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7712 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7714 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7715 { /* if the first 3 moves do not show a tactical win, declare draw */
7716 if(engineOpponent) {
7717 SendToProgram("force\n", engineOpponent); // suppress reply
7718 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7720 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7723 } else moveCount = 6;
7726 // Repetition draws and 50-move rule can be applied independently of legality testing
7728 /* Check for rep-draws */
7730 for(k = forwardMostMove-2;
7731 k>=backwardMostMove && k>=forwardMostMove-100 &&
7732 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7733 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7736 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7737 /* compare castling rights */
7738 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7739 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7740 rights++; /* King lost rights, while rook still had them */
7741 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7742 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7743 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7744 rights++; /* but at least one rook lost them */
7746 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7747 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7749 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7750 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7751 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7754 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7755 && appData.drawRepeats > 1) {
7756 /* adjudicate after user-specified nr of repeats */
7757 int result = GameIsDrawn;
7758 char *details = "XBoard adjudication: repetition draw";
7759 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7760 // [HGM] xiangqi: check for forbidden perpetuals
7761 int m, ourPerpetual = 1, hisPerpetual = 1;
7762 for(m=forwardMostMove; m>k; m-=2) {
7763 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7764 ourPerpetual = 0; // the current mover did not always check
7765 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7766 hisPerpetual = 0; // the opponent did not always check
7768 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7769 ourPerpetual, hisPerpetual);
7770 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7771 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7772 details = "Xboard adjudication: perpetual checking";
7774 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7775 break; // (or we would have caught him before). Abort repetition-checking loop.
7777 // Now check for perpetual chases
7778 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7779 hisPerpetual = PerpetualChase(k, forwardMostMove);
7780 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7781 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7782 static char resdet[MSG_SIZ];
7783 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7785 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7787 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7788 break; // Abort repetition-checking loop.
7790 // if neither of us is checking or chasing all the time, or both are, it is draw
7792 if(engineOpponent) {
7793 SendToProgram("force\n", engineOpponent); // suppress reply
7794 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7796 GameEnds( result, details, GE_XBOARD );
7799 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7800 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7804 /* Now we test for 50-move draws. Determine ply count */
7805 count = forwardMostMove;
7806 /* look for last irreversble move */
7807 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7809 /* if we hit starting position, add initial plies */
7810 if( count == backwardMostMove )
7811 count -= initialRulePlies;
7812 count = forwardMostMove - count;
7813 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7814 // adjust reversible move counter for checks in Xiangqi
7815 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7816 if(i < backwardMostMove) i = backwardMostMove;
7817 while(i <= forwardMostMove) {
7818 lastCheck = inCheck; // check evasion does not count
7819 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7820 if(inCheck || lastCheck) count--; // check does not count
7825 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7826 /* this is used to judge if draw claims are legal */
7827 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7828 if(engineOpponent) {
7829 SendToProgram("force\n", engineOpponent); // suppress reply
7830 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7832 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7836 /* if draw offer is pending, treat it as a draw claim
7837 * when draw condition present, to allow engines a way to
7838 * claim draws before making their move to avoid a race
7839 * condition occurring after their move
7841 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7843 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7844 p = "Draw claim: 50-move rule";
7845 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7846 p = "Draw claim: 3-fold repetition";
7847 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7848 p = "Draw claim: insufficient mating material";
7849 if( p != NULL && canAdjudicate) {
7850 if(engineOpponent) {
7851 SendToProgram("force\n", engineOpponent); // suppress reply
7852 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7854 GameEnds( GameIsDrawn, p, GE_XBOARD );
7859 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7860 if(engineOpponent) {
7861 SendToProgram("force\n", engineOpponent); // suppress reply
7862 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7864 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7871 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7872 { // [HGM] book: this routine intercepts moves to simulate book replies
7873 char *bookHit = NULL;
7875 //first determine if the incoming move brings opponent into his book
7876 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7877 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7878 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7879 if(bookHit != NULL && !cps->bookSuspend) {
7880 // make sure opponent is not going to reply after receiving move to book position
7881 SendToProgram("force\n", cps);
7882 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7884 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7885 // now arrange restart after book miss
7887 // after a book hit we never send 'go', and the code after the call to this routine
7888 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7889 char buf[MSG_SIZ], *move = bookHit;
7891 int fromX, fromY, toX, toY;
7895 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7896 &fromX, &fromY, &toX, &toY, &promoChar)) {
7897 (void) CoordsToAlgebraic(boards[forwardMostMove],
7898 PosFlags(forwardMostMove),
7899 fromY, fromX, toY, toX, promoChar, move);
7901 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7905 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7906 SendToProgram(buf, cps);
7907 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7908 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7909 SendToProgram("go\n", cps);
7910 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7911 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7912 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7913 SendToProgram("go\n", cps);
7914 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7916 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7920 LoadError (char *errmess, ChessProgramState *cps)
7921 { // unloads engine and switches back to -ncp mode if it was first
7922 if(cps->initDone) return FALSE;
7923 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7924 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7927 appData.noChessProgram = TRUE;
7928 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7929 gameMode = BeginningOfGame; ModeHighlight();
7932 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7933 DisplayMessage("", ""); // erase waiting message
7934 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7939 ChessProgramState *savedState;
7941 DeferredBookMove (void)
7943 if(savedState->lastPing != savedState->lastPong)
7944 ScheduleDelayedEvent(DeferredBookMove, 10);
7946 HandleMachineMove(savedMessage, savedState);
7949 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7952 HandleMachineMove (char *message, ChessProgramState *cps)
7954 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7955 char realname[MSG_SIZ];
7956 int fromX, fromY, toX, toY;
7960 int machineWhite, oldError;
7963 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7964 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7965 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7966 DisplayError(_("Invalid pairing from pairing engine"), 0);
7969 pairingReceived = 1;
7971 return; // Skim the pairing messages here.
7974 oldError = cps->userError; cps->userError = 0;
7976 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7978 * Kludge to ignore BEL characters
7980 while (*message == '\007') message++;
7983 * [HGM] engine debug message: ignore lines starting with '#' character
7985 if(cps->debug && *message == '#') return;
7988 * Look for book output
7990 if (cps == &first && bookRequested) {
7991 if (message[0] == '\t' || message[0] == ' ') {
7992 /* Part of the book output is here; append it */
7993 strcat(bookOutput, message);
7994 strcat(bookOutput, " \n");
7996 } else if (bookOutput[0] != NULLCHAR) {
7997 /* All of book output has arrived; display it */
7998 char *p = bookOutput;
7999 while (*p != NULLCHAR) {
8000 if (*p == '\t') *p = ' ';
8003 DisplayInformation(bookOutput);
8004 bookRequested = FALSE;
8005 /* Fall through to parse the current output */
8010 * Look for machine move.
8012 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8013 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8015 /* This method is only useful on engines that support ping */
8016 if (cps->lastPing != cps->lastPong) {
8017 if (gameMode == BeginningOfGame) {
8018 /* Extra move from before last new; ignore */
8019 if (appData.debugMode) {
8020 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8023 if (appData.debugMode) {
8024 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8025 cps->which, gameMode);
8028 SendToProgram("undo\n", cps);
8034 case BeginningOfGame:
8035 /* Extra move from before last reset; ignore */
8036 if (appData.debugMode) {
8037 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8044 /* Extra move after we tried to stop. The mode test is
8045 not a reliable way of detecting this problem, but it's
8046 the best we can do on engines that don't support ping.
8048 if (appData.debugMode) {
8049 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8050 cps->which, gameMode);
8052 SendToProgram("undo\n", cps);
8055 case MachinePlaysWhite:
8056 case IcsPlayingWhite:
8057 machineWhite = TRUE;
8060 case MachinePlaysBlack:
8061 case IcsPlayingBlack:
8062 machineWhite = FALSE;
8065 case TwoMachinesPlay:
8066 machineWhite = (cps->twoMachinesColor[0] == 'w');
8069 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8070 if (appData.debugMode) {
8072 "Ignoring move out of turn by %s, gameMode %d"
8073 ", forwardMost %d\n",
8074 cps->which, gameMode, forwardMostMove);
8079 if(cps->alphaRank) AlphaRank(machineMove, 4);
8080 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8081 &fromX, &fromY, &toX, &toY, &promoChar)) {
8082 /* Machine move could not be parsed; ignore it. */
8083 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8084 machineMove, _(cps->which));
8085 DisplayError(buf1, 0);
8086 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8087 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8088 if (gameMode == TwoMachinesPlay) {
8089 GameEnds(machineWhite ? BlackWins : WhiteWins,
8095 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8096 /* So we have to redo legality test with true e.p. status here, */
8097 /* to make sure an illegal e.p. capture does not slip through, */
8098 /* to cause a forfeit on a justified illegal-move complaint */
8099 /* of the opponent. */
8100 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8102 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8103 fromY, fromX, toY, toX, promoChar);
8104 if(moveType == IllegalMove) {
8105 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8106 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8107 GameEnds(machineWhite ? BlackWins : WhiteWins,
8110 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8111 /* [HGM] Kludge to handle engines that send FRC-style castling
8112 when they shouldn't (like TSCP-Gothic) */
8114 case WhiteASideCastleFR:
8115 case BlackASideCastleFR:
8117 currentMoveString[2]++;
8119 case WhiteHSideCastleFR:
8120 case BlackHSideCastleFR:
8122 currentMoveString[2]--;
8124 default: ; // nothing to do, but suppresses warning of pedantic compilers
8127 hintRequested = FALSE;
8128 lastHint[0] = NULLCHAR;
8129 bookRequested = FALSE;
8130 /* Program may be pondering now */
8131 cps->maybeThinking = TRUE;
8132 if (cps->sendTime == 2) cps->sendTime = 1;
8133 if (cps->offeredDraw) cps->offeredDraw--;
8135 /* [AS] Save move info*/
8136 pvInfoList[ forwardMostMove ].score = programStats.score;
8137 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8138 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8140 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8142 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8143 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8146 while( count < adjudicateLossPlies ) {
8147 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8150 score = -score; /* Flip score for winning side */
8153 if( score > adjudicateLossThreshold ) {
8160 if( count >= adjudicateLossPlies ) {
8161 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8163 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8164 "Xboard adjudication",
8171 if(Adjudicate(cps)) {
8172 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8173 return; // [HGM] adjudicate: for all automatic game ends
8177 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8179 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8180 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8182 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8184 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8186 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8187 char buf[3*MSG_SIZ];
8189 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8190 programStats.score / 100.,
8192 programStats.time / 100.,
8193 (unsigned int)programStats.nodes,
8194 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8195 programStats.movelist);
8197 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8202 /* [AS] Clear stats for next move */
8203 ClearProgramStats();
8204 thinkOutput[0] = NULLCHAR;
8205 hiddenThinkOutputState = 0;
8208 if (gameMode == TwoMachinesPlay) {
8209 /* [HGM] relaying draw offers moved to after reception of move */
8210 /* and interpreting offer as claim if it brings draw condition */
8211 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8212 SendToProgram("draw\n", cps->other);
8214 if (cps->other->sendTime) {
8215 SendTimeRemaining(cps->other,
8216 cps->other->twoMachinesColor[0] == 'w');
8218 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8219 if (firstMove && !bookHit) {
8221 if (cps->other->useColors) {
8222 SendToProgram(cps->other->twoMachinesColor, cps->other);
8224 SendToProgram("go\n", cps->other);
8226 cps->other->maybeThinking = TRUE;
8229 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8231 if (!pausing && appData.ringBellAfterMoves) {
8236 * Reenable menu items that were disabled while
8237 * machine was thinking
8239 if (gameMode != TwoMachinesPlay)
8240 SetUserThinkingEnables();
8242 // [HGM] book: after book hit opponent has received move and is now in force mode
8243 // force the book reply into it, and then fake that it outputted this move by jumping
8244 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8246 static char bookMove[MSG_SIZ]; // a bit generous?
8248 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8249 strcat(bookMove, bookHit);
8252 programStats.nodes = programStats.depth = programStats.time =
8253 programStats.score = programStats.got_only_move = 0;
8254 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8256 if(cps->lastPing != cps->lastPong) {
8257 savedMessage = message; // args for deferred call
8259 ScheduleDelayedEvent(DeferredBookMove, 10);
8268 /* Set special modes for chess engines. Later something general
8269 * could be added here; for now there is just one kludge feature,
8270 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8271 * when "xboard" is given as an interactive command.
8273 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8274 cps->useSigint = FALSE;
8275 cps->useSigterm = FALSE;
8277 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8278 ParseFeatures(message+8, cps);
8279 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8282 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8283 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8284 int dummy, s=6; char buf[MSG_SIZ];
8285 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8286 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8287 if(startedFromSetupPosition) return;
8288 ParseFEN(boards[0], &dummy, message+s);
8289 DrawPosition(TRUE, boards[0]);
8290 startedFromSetupPosition = TRUE;
8293 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8294 * want this, I was asked to put it in, and obliged.
8296 if (!strncmp(message, "setboard ", 9)) {
8297 Board initial_position;
8299 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8301 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8302 DisplayError(_("Bad FEN received from engine"), 0);
8306 CopyBoard(boards[0], initial_position);
8307 initialRulePlies = FENrulePlies;
8308 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8309 else gameMode = MachinePlaysBlack;
8310 DrawPosition(FALSE, boards[currentMove]);
8316 * Look for communication commands
8318 if (!strncmp(message, "telluser ", 9)) {
8319 if(message[9] == '\\' && message[10] == '\\')
8320 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8322 DisplayNote(message + 9);
8325 if (!strncmp(message, "tellusererror ", 14)) {
8327 if(message[14] == '\\' && message[15] == '\\')
8328 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8330 DisplayError(message + 14, 0);
8333 if (!strncmp(message, "tellopponent ", 13)) {
8334 if (appData.icsActive) {
8336 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8340 DisplayNote(message + 13);
8344 if (!strncmp(message, "tellothers ", 11)) {
8345 if (appData.icsActive) {
8347 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8353 if (!strncmp(message, "tellall ", 8)) {
8354 if (appData.icsActive) {
8356 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8360 DisplayNote(message + 8);
8364 if (strncmp(message, "warning", 7) == 0) {
8365 /* Undocumented feature, use tellusererror in new code */
8366 DisplayError(message, 0);
8369 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8370 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8371 strcat(realname, " query");
8372 AskQuestion(realname, buf2, buf1, cps->pr);
8375 /* Commands from the engine directly to ICS. We don't allow these to be
8376 * sent until we are logged on. Crafty kibitzes have been known to
8377 * interfere with the login process.
8380 if (!strncmp(message, "tellics ", 8)) {
8381 SendToICS(message + 8);
8385 if (!strncmp(message, "tellicsnoalias ", 15)) {
8386 SendToICS(ics_prefix);
8387 SendToICS(message + 15);
8391 /* The following are for backward compatibility only */
8392 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8393 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8394 SendToICS(ics_prefix);
8400 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8404 * If the move is illegal, cancel it and redraw the board.
8405 * Also deal with other error cases. Matching is rather loose
8406 * here to accommodate engines written before the spec.
8408 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8409 strncmp(message, "Error", 5) == 0) {
8410 if (StrStr(message, "name") ||
8411 StrStr(message, "rating") || StrStr(message, "?") ||
8412 StrStr(message, "result") || StrStr(message, "board") ||
8413 StrStr(message, "bk") || StrStr(message, "computer") ||
8414 StrStr(message, "variant") || StrStr(message, "hint") ||
8415 StrStr(message, "random") || StrStr(message, "depth") ||
8416 StrStr(message, "accepted")) {
8419 if (StrStr(message, "protover")) {
8420 /* Program is responding to input, so it's apparently done
8421 initializing, and this error message indicates it is
8422 protocol version 1. So we don't need to wait any longer
8423 for it to initialize and send feature commands. */
8424 FeatureDone(cps, 1);
8425 cps->protocolVersion = 1;
8428 cps->maybeThinking = FALSE;
8430 if (StrStr(message, "draw")) {
8431 /* Program doesn't have "draw" command */
8432 cps->sendDrawOffers = 0;
8435 if (cps->sendTime != 1 &&
8436 (StrStr(message, "time") || StrStr(message, "otim"))) {
8437 /* Program apparently doesn't have "time" or "otim" command */
8441 if (StrStr(message, "analyze")) {
8442 cps->analysisSupport = FALSE;
8443 cps->analyzing = FALSE;
8444 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8445 EditGameEvent(); // [HGM] try to preserve loaded game
8446 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8447 DisplayError(buf2, 0);
8450 if (StrStr(message, "(no matching move)st")) {
8451 /* Special kludge for GNU Chess 4 only */
8452 cps->stKludge = TRUE;
8453 SendTimeControl(cps, movesPerSession, timeControl,
8454 timeIncrement, appData.searchDepth,
8458 if (StrStr(message, "(no matching move)sd")) {
8459 /* Special kludge for GNU Chess 4 only */
8460 cps->sdKludge = TRUE;
8461 SendTimeControl(cps, movesPerSession, timeControl,
8462 timeIncrement, appData.searchDepth,
8466 if (!StrStr(message, "llegal")) {
8469 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8470 gameMode == IcsIdle) return;
8471 if (forwardMostMove <= backwardMostMove) return;
8472 if (pausing) PauseEvent();
8473 if(appData.forceIllegal) {
8474 // [HGM] illegal: machine refused move; force position after move into it
8475 SendToProgram("force\n", cps);
8476 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8477 // we have a real problem now, as SendBoard will use the a2a3 kludge
8478 // when black is to move, while there might be nothing on a2 or black
8479 // might already have the move. So send the board as if white has the move.
8480 // But first we must change the stm of the engine, as it refused the last move
8481 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8482 if(WhiteOnMove(forwardMostMove)) {
8483 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8484 SendBoard(cps, forwardMostMove); // kludgeless board
8486 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8487 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8488 SendBoard(cps, forwardMostMove+1); // kludgeless board
8490 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8491 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8492 gameMode == TwoMachinesPlay)
8493 SendToProgram("go\n", cps);
8496 if (gameMode == PlayFromGameFile) {
8497 /* Stop reading this game file */
8498 gameMode = EditGame;
8501 /* [HGM] illegal-move claim should forfeit game when Xboard */
8502 /* only passes fully legal moves */
8503 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8504 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8505 "False illegal-move claim", GE_XBOARD );
8506 return; // do not take back move we tested as valid
8508 currentMove = forwardMostMove-1;
8509 DisplayMove(currentMove-1); /* before DisplayMoveError */
8510 SwitchClocks(forwardMostMove-1); // [HGM] race
8511 DisplayBothClocks();
8512 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8513 parseList[currentMove], _(cps->which));
8514 DisplayMoveError(buf1);
8515 DrawPosition(FALSE, boards[currentMove]);
8517 SetUserThinkingEnables();
8520 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8521 /* Program has a broken "time" command that
8522 outputs a string not ending in newline.
8528 * If chess program startup fails, exit with an error message.
8529 * Attempts to recover here are futile. [HGM] Well, we try anyway
8531 if ((StrStr(message, "unknown host") != NULL)
8532 || (StrStr(message, "No remote directory") != NULL)
8533 || (StrStr(message, "not found") != NULL)
8534 || (StrStr(message, "No such file") != NULL)
8535 || (StrStr(message, "can't alloc") != NULL)
8536 || (StrStr(message, "Permission denied") != NULL)) {
8538 cps->maybeThinking = FALSE;
8539 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8540 _(cps->which), cps->program, cps->host, message);
8541 RemoveInputSource(cps->isr);
8542 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8543 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8544 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8550 * Look for hint output
8552 if (sscanf(message, "Hint: %s", buf1) == 1) {
8553 if (cps == &first && hintRequested) {
8554 hintRequested = FALSE;
8555 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8556 &fromX, &fromY, &toX, &toY, &promoChar)) {
8557 (void) CoordsToAlgebraic(boards[forwardMostMove],
8558 PosFlags(forwardMostMove),
8559 fromY, fromX, toY, toX, promoChar, buf1);
8560 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8561 DisplayInformation(buf2);
8563 /* Hint move could not be parsed!? */
8564 snprintf(buf2, sizeof(buf2),
8565 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8566 buf1, _(cps->which));
8567 DisplayError(buf2, 0);
8570 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8576 * Ignore other messages if game is not in progress
8578 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8579 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8582 * look for win, lose, draw, or draw offer
8584 if (strncmp(message, "1-0", 3) == 0) {
8585 char *p, *q, *r = "";
8586 p = strchr(message, '{');
8594 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8596 } else if (strncmp(message, "0-1", 3) == 0) {
8597 char *p, *q, *r = "";
8598 p = strchr(message, '{');
8606 /* Kludge for Arasan 4.1 bug */
8607 if (strcmp(r, "Black resigns") == 0) {
8608 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8611 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8613 } else if (strncmp(message, "1/2", 3) == 0) {
8614 char *p, *q, *r = "";
8615 p = strchr(message, '{');
8624 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8627 } else if (strncmp(message, "White resign", 12) == 0) {
8628 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8630 } else if (strncmp(message, "Black resign", 12) == 0) {
8631 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8633 } else if (strncmp(message, "White matches", 13) == 0 ||
8634 strncmp(message, "Black matches", 13) == 0 ) {
8635 /* [HGM] ignore GNUShogi noises */
8637 } else if (strncmp(message, "White", 5) == 0 &&
8638 message[5] != '(' &&
8639 StrStr(message, "Black") == NULL) {
8640 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8642 } else if (strncmp(message, "Black", 5) == 0 &&
8643 message[5] != '(') {
8644 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8646 } else if (strcmp(message, "resign") == 0 ||
8647 strcmp(message, "computer resigns") == 0) {
8649 case MachinePlaysBlack:
8650 case IcsPlayingBlack:
8651 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8653 case MachinePlaysWhite:
8654 case IcsPlayingWhite:
8655 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8657 case TwoMachinesPlay:
8658 if (cps->twoMachinesColor[0] == 'w')
8659 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8661 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8668 } else if (strncmp(message, "opponent mates", 14) == 0) {
8670 case MachinePlaysBlack:
8671 case IcsPlayingBlack:
8672 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8674 case MachinePlaysWhite:
8675 case IcsPlayingWhite:
8676 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8678 case TwoMachinesPlay:
8679 if (cps->twoMachinesColor[0] == 'w')
8680 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8682 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8689 } else if (strncmp(message, "computer mates", 14) == 0) {
8691 case MachinePlaysBlack:
8692 case IcsPlayingBlack:
8693 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8695 case MachinePlaysWhite:
8696 case IcsPlayingWhite:
8697 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8699 case TwoMachinesPlay:
8700 if (cps->twoMachinesColor[0] == 'w')
8701 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8703 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8710 } else if (strncmp(message, "checkmate", 9) == 0) {
8711 if (WhiteOnMove(forwardMostMove)) {
8712 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8714 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8717 } else if (strstr(message, "Draw") != NULL ||
8718 strstr(message, "game is a draw") != NULL) {
8719 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8721 } else if (strstr(message, "offer") != NULL &&
8722 strstr(message, "draw") != NULL) {
8724 if (appData.zippyPlay && first.initDone) {
8725 /* Relay offer to ICS */
8726 SendToICS(ics_prefix);
8727 SendToICS("draw\n");
8730 cps->offeredDraw = 2; /* valid until this engine moves twice */
8731 if (gameMode == TwoMachinesPlay) {
8732 if (cps->other->offeredDraw) {
8733 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8734 /* [HGM] in two-machine mode we delay relaying draw offer */
8735 /* until after we also have move, to see if it is really claim */
8737 } else if (gameMode == MachinePlaysWhite ||
8738 gameMode == MachinePlaysBlack) {
8739 if (userOfferedDraw) {
8740 DisplayInformation(_("Machine accepts your draw offer"));
8741 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8743 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8750 * Look for thinking output
8752 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8753 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8755 int plylev, mvleft, mvtot, curscore, time;
8756 char mvname[MOVE_LEN];
8760 int prefixHint = FALSE;
8761 mvname[0] = NULLCHAR;
8764 case MachinePlaysBlack:
8765 case IcsPlayingBlack:
8766 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8768 case MachinePlaysWhite:
8769 case IcsPlayingWhite:
8770 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8775 case IcsObserving: /* [DM] icsEngineAnalyze */
8776 if (!appData.icsEngineAnalyze) ignore = TRUE;
8778 case TwoMachinesPlay:
8779 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8789 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8791 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8792 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8794 if (plyext != ' ' && plyext != '\t') {
8798 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8799 if( cps->scoreIsAbsolute &&
8800 ( gameMode == MachinePlaysBlack ||
8801 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8802 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8803 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8804 !WhiteOnMove(currentMove)
8807 curscore = -curscore;
8810 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8812 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8815 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8816 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8817 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8818 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8819 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8820 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8822 } else DisplayError(_("failed writing PV"), 0);
8825 tempStats.depth = plylev;
8826 tempStats.nodes = nodes;
8827 tempStats.time = time;
8828 tempStats.score = curscore;
8829 tempStats.got_only_move = 0;
8831 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8834 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8835 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8836 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8837 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8838 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8839 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8840 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8841 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8844 /* Buffer overflow protection */
8845 if (pv[0] != NULLCHAR) {
8846 if (strlen(pv) >= sizeof(tempStats.movelist)
8847 && appData.debugMode) {
8849 "PV is too long; using the first %u bytes.\n",
8850 (unsigned) sizeof(tempStats.movelist) - 1);
8853 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8855 sprintf(tempStats.movelist, " no PV\n");
8858 if (tempStats.seen_stat) {
8859 tempStats.ok_to_send = 1;
8862 if (strchr(tempStats.movelist, '(') != NULL) {
8863 tempStats.line_is_book = 1;
8864 tempStats.nr_moves = 0;
8865 tempStats.moves_left = 0;
8867 tempStats.line_is_book = 0;
8870 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8871 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8873 SendProgramStatsToFrontend( cps, &tempStats );
8876 [AS] Protect the thinkOutput buffer from overflow... this
8877 is only useful if buf1 hasn't overflowed first!
8879 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8881 (gameMode == TwoMachinesPlay ?
8882 ToUpper(cps->twoMachinesColor[0]) : ' '),
8883 ((double) curscore) / 100.0,
8884 prefixHint ? lastHint : "",
8885 prefixHint ? " " : "" );
8887 if( buf1[0] != NULLCHAR ) {
8888 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8890 if( strlen(pv) > max_len ) {
8891 if( appData.debugMode) {
8892 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8894 pv[max_len+1] = '\0';
8897 strcat( thinkOutput, pv);
8900 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8901 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8902 DisplayMove(currentMove - 1);
8906 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8907 /* crafty (9.25+) says "(only move) <move>"
8908 * if there is only 1 legal move
8910 sscanf(p, "(only move) %s", buf1);
8911 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8912 sprintf(programStats.movelist, "%s (only move)", buf1);
8913 programStats.depth = 1;
8914 programStats.nr_moves = 1;
8915 programStats.moves_left = 1;
8916 programStats.nodes = 1;
8917 programStats.time = 1;
8918 programStats.got_only_move = 1;
8920 /* Not really, but we also use this member to
8921 mean "line isn't going to change" (Crafty
8922 isn't searching, so stats won't change) */
8923 programStats.line_is_book = 1;
8925 SendProgramStatsToFrontend( cps, &programStats );
8927 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8928 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8929 DisplayMove(currentMove - 1);
8932 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8933 &time, &nodes, &plylev, &mvleft,
8934 &mvtot, mvname) >= 5) {
8935 /* The stat01: line is from Crafty (9.29+) in response
8936 to the "." command */
8937 programStats.seen_stat = 1;
8938 cps->maybeThinking = TRUE;
8940 if (programStats.got_only_move || !appData.periodicUpdates)
8943 programStats.depth = plylev;
8944 programStats.time = time;
8945 programStats.nodes = nodes;
8946 programStats.moves_left = mvleft;
8947 programStats.nr_moves = mvtot;
8948 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8949 programStats.ok_to_send = 1;
8950 programStats.movelist[0] = '\0';
8952 SendProgramStatsToFrontend( cps, &programStats );
8956 } else if (strncmp(message,"++",2) == 0) {
8957 /* Crafty 9.29+ outputs this */
8958 programStats.got_fail = 2;
8961 } else if (strncmp(message,"--",2) == 0) {
8962 /* Crafty 9.29+ outputs this */
8963 programStats.got_fail = 1;
8966 } else if (thinkOutput[0] != NULLCHAR &&
8967 strncmp(message, " ", 4) == 0) {
8968 unsigned message_len;
8971 while (*p && *p == ' ') p++;
8973 message_len = strlen( p );
8975 /* [AS] Avoid buffer overflow */
8976 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8977 strcat(thinkOutput, " ");
8978 strcat(thinkOutput, p);
8981 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8982 strcat(programStats.movelist, " ");
8983 strcat(programStats.movelist, p);
8986 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8987 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8988 DisplayMove(currentMove - 1);
8996 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8997 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8999 ChessProgramStats cpstats;
9001 if (plyext != ' ' && plyext != '\t') {
9005 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9006 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9007 curscore = -curscore;
9010 cpstats.depth = plylev;
9011 cpstats.nodes = nodes;
9012 cpstats.time = time;
9013 cpstats.score = curscore;
9014 cpstats.got_only_move = 0;
9015 cpstats.movelist[0] = '\0';
9017 if (buf1[0] != NULLCHAR) {
9018 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9021 cpstats.ok_to_send = 0;
9022 cpstats.line_is_book = 0;
9023 cpstats.nr_moves = 0;
9024 cpstats.moves_left = 0;
9026 SendProgramStatsToFrontend( cps, &cpstats );
9033 /* Parse a game score from the character string "game", and
9034 record it as the history of the current game. The game
9035 score is NOT assumed to start from the standard position.
9036 The display is not updated in any way.
9039 ParseGameHistory (char *game)
9042 int fromX, fromY, toX, toY, boardIndex;
9047 if (appData.debugMode)
9048 fprintf(debugFP, "Parsing game history: %s\n", game);
9050 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9051 gameInfo.site = StrSave(appData.icsHost);
9052 gameInfo.date = PGNDate();
9053 gameInfo.round = StrSave("-");
9055 /* Parse out names of players */
9056 while (*game == ' ') game++;
9058 while (*game != ' ') *p++ = *game++;
9060 gameInfo.white = StrSave(buf);
9061 while (*game == ' ') game++;
9063 while (*game != ' ' && *game != '\n') *p++ = *game++;
9065 gameInfo.black = StrSave(buf);
9068 boardIndex = blackPlaysFirst ? 1 : 0;
9071 yyboardindex = boardIndex;
9072 moveType = (ChessMove) Myylex();
9074 case IllegalMove: /* maybe suicide chess, etc. */
9075 if (appData.debugMode) {
9076 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9077 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9078 setbuf(debugFP, NULL);
9080 case WhitePromotion:
9081 case BlackPromotion:
9082 case WhiteNonPromotion:
9083 case BlackNonPromotion:
9085 case WhiteCapturesEnPassant:
9086 case BlackCapturesEnPassant:
9087 case WhiteKingSideCastle:
9088 case WhiteQueenSideCastle:
9089 case BlackKingSideCastle:
9090 case BlackQueenSideCastle:
9091 case WhiteKingSideCastleWild:
9092 case WhiteQueenSideCastleWild:
9093 case BlackKingSideCastleWild:
9094 case BlackQueenSideCastleWild:
9096 case WhiteHSideCastleFR:
9097 case WhiteASideCastleFR:
9098 case BlackHSideCastleFR:
9099 case BlackASideCastleFR:
9101 fromX = currentMoveString[0] - AAA;
9102 fromY = currentMoveString[1] - ONE;
9103 toX = currentMoveString[2] - AAA;
9104 toY = currentMoveString[3] - ONE;
9105 promoChar = currentMoveString[4];
9109 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9110 fromX = moveType == WhiteDrop ?
9111 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9112 (int) CharToPiece(ToLower(currentMoveString[0]));
9114 toX = currentMoveString[2] - AAA;
9115 toY = currentMoveString[3] - ONE;
9116 promoChar = NULLCHAR;
9120 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9121 if (appData.debugMode) {
9122 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9123 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9124 setbuf(debugFP, NULL);
9126 DisplayError(buf, 0);
9128 case ImpossibleMove:
9130 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9131 if (appData.debugMode) {
9132 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9133 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9134 setbuf(debugFP, NULL);
9136 DisplayError(buf, 0);
9139 if (boardIndex < backwardMostMove) {
9140 /* Oops, gap. How did that happen? */
9141 DisplayError(_("Gap in move list"), 0);
9144 backwardMostMove = blackPlaysFirst ? 1 : 0;
9145 if (boardIndex > forwardMostMove) {
9146 forwardMostMove = boardIndex;
9150 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9151 strcat(parseList[boardIndex-1], " ");
9152 strcat(parseList[boardIndex-1], yy_text);
9164 case GameUnfinished:
9165 if (gameMode == IcsExamining) {
9166 if (boardIndex < backwardMostMove) {
9167 /* Oops, gap. How did that happen? */
9170 backwardMostMove = blackPlaysFirst ? 1 : 0;
9173 gameInfo.result = moveType;
9174 p = strchr(yy_text, '{');
9175 if (p == NULL) p = strchr(yy_text, '(');
9178 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9180 q = strchr(p, *p == '{' ? '}' : ')');
9181 if (q != NULL) *q = NULLCHAR;
9184 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9185 gameInfo.resultDetails = StrSave(p);
9188 if (boardIndex >= forwardMostMove &&
9189 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9190 backwardMostMove = blackPlaysFirst ? 1 : 0;
9193 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9194 fromY, fromX, toY, toX, promoChar,
9195 parseList[boardIndex]);
9196 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9197 /* currentMoveString is set as a side-effect of yylex */
9198 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9199 strcat(moveList[boardIndex], "\n");
9201 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9202 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9208 if(gameInfo.variant != VariantShogi)
9209 strcat(parseList[boardIndex - 1], "+");
9213 strcat(parseList[boardIndex - 1], "#");
9220 /* Apply a move to the given board */
9222 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9224 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9225 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9227 /* [HGM] compute & store e.p. status and castling rights for new position */
9228 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9230 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9231 oldEP = (signed char)board[EP_STATUS];
9232 board[EP_STATUS] = EP_NONE;
9234 if (fromY == DROP_RANK) {
9236 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9237 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9240 piece = board[toY][toX] = (ChessSquare) fromX;
9244 if( board[toY][toX] != EmptySquare )
9245 board[EP_STATUS] = EP_CAPTURE;
9247 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9248 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9249 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9251 if( board[fromY][fromX] == WhitePawn ) {
9252 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9253 board[EP_STATUS] = EP_PAWN_MOVE;
9255 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9256 gameInfo.variant != VariantBerolina || toX < fromX)
9257 board[EP_STATUS] = toX | berolina;
9258 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9259 gameInfo.variant != VariantBerolina || toX > fromX)
9260 board[EP_STATUS] = toX;
9263 if( board[fromY][fromX] == BlackPawn ) {
9264 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9265 board[EP_STATUS] = EP_PAWN_MOVE;
9266 if( toY-fromY== -2) {
9267 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9268 gameInfo.variant != VariantBerolina || toX < fromX)
9269 board[EP_STATUS] = toX | berolina;
9270 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9271 gameInfo.variant != VariantBerolina || toX > fromX)
9272 board[EP_STATUS] = toX;
9276 for(i=0; i<nrCastlingRights; i++) {
9277 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9278 board[CASTLING][i] == toX && castlingRank[i] == toY
9279 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9282 if (fromX == toX && fromY == toY) return;
9284 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9285 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9286 if(gameInfo.variant == VariantKnightmate)
9287 king += (int) WhiteUnicorn - (int) WhiteKing;
9289 /* Code added by Tord: */
9290 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9291 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9292 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9293 board[fromY][fromX] = EmptySquare;
9294 board[toY][toX] = EmptySquare;
9295 if((toX > fromX) != (piece == WhiteRook)) {
9296 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9298 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9300 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9301 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9302 board[fromY][fromX] = EmptySquare;
9303 board[toY][toX] = EmptySquare;
9304 if((toX > fromX) != (piece == BlackRook)) {
9305 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9307 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9309 /* End of code added by Tord */
9311 } else if (board[fromY][fromX] == king
9312 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9313 && toY == fromY && toX > fromX+1) {
9314 board[fromY][fromX] = EmptySquare;
9315 board[toY][toX] = king;
9316 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9317 board[fromY][BOARD_RGHT-1] = EmptySquare;
9318 } else if (board[fromY][fromX] == king
9319 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9320 && toY == fromY && toX < fromX-1) {
9321 board[fromY][fromX] = EmptySquare;
9322 board[toY][toX] = king;
9323 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9324 board[fromY][BOARD_LEFT] = EmptySquare;
9325 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9326 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9327 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9329 /* white pawn promotion */
9330 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9331 if(gameInfo.variant==VariantBughouse ||
9332 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9333 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9334 board[fromY][fromX] = EmptySquare;
9335 } else if ((fromY >= BOARD_HEIGHT>>1)
9337 && gameInfo.variant != VariantXiangqi
9338 && gameInfo.variant != VariantBerolina
9339 && (board[fromY][fromX] == WhitePawn)
9340 && (board[toY][toX] == EmptySquare)) {
9341 board[fromY][fromX] = EmptySquare;
9342 board[toY][toX] = WhitePawn;
9343 captured = board[toY - 1][toX];
9344 board[toY - 1][toX] = EmptySquare;
9345 } else if ((fromY == BOARD_HEIGHT-4)
9347 && gameInfo.variant == VariantBerolina
9348 && (board[fromY][fromX] == WhitePawn)
9349 && (board[toY][toX] == EmptySquare)) {
9350 board[fromY][fromX] = EmptySquare;
9351 board[toY][toX] = WhitePawn;
9352 if(oldEP & EP_BEROLIN_A) {
9353 captured = board[fromY][fromX-1];
9354 board[fromY][fromX-1] = EmptySquare;
9355 }else{ captured = board[fromY][fromX+1];
9356 board[fromY][fromX+1] = EmptySquare;
9358 } else if (board[fromY][fromX] == king
9359 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9360 && toY == fromY && toX > fromX+1) {
9361 board[fromY][fromX] = EmptySquare;
9362 board[toY][toX] = king;
9363 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9364 board[fromY][BOARD_RGHT-1] = EmptySquare;
9365 } else if (board[fromY][fromX] == king
9366 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9367 && toY == fromY && toX < fromX-1) {
9368 board[fromY][fromX] = EmptySquare;
9369 board[toY][toX] = king;
9370 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9371 board[fromY][BOARD_LEFT] = EmptySquare;
9372 } else if (fromY == 7 && fromX == 3
9373 && board[fromY][fromX] == BlackKing
9374 && toY == 7 && toX == 5) {
9375 board[fromY][fromX] = EmptySquare;
9376 board[toY][toX] = BlackKing;
9377 board[fromY][7] = EmptySquare;
9378 board[toY][4] = BlackRook;
9379 } else if (fromY == 7 && fromX == 3
9380 && board[fromY][fromX] == BlackKing
9381 && toY == 7 && toX == 1) {
9382 board[fromY][fromX] = EmptySquare;
9383 board[toY][toX] = BlackKing;
9384 board[fromY][0] = EmptySquare;
9385 board[toY][2] = BlackRook;
9386 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9387 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9388 && toY < promoRank && promoChar
9390 /* black pawn promotion */
9391 board[toY][toX] = CharToPiece(ToLower(promoChar));
9392 if(gameInfo.variant==VariantBughouse ||
9393 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9394 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9395 board[fromY][fromX] = EmptySquare;
9396 } else if ((fromY < BOARD_HEIGHT>>1)
9398 && gameInfo.variant != VariantXiangqi
9399 && gameInfo.variant != VariantBerolina
9400 && (board[fromY][fromX] == BlackPawn)
9401 && (board[toY][toX] == EmptySquare)) {
9402 board[fromY][fromX] = EmptySquare;
9403 board[toY][toX] = BlackPawn;
9404 captured = board[toY + 1][toX];
9405 board[toY + 1][toX] = EmptySquare;
9406 } else if ((fromY == 3)
9408 && gameInfo.variant == VariantBerolina
9409 && (board[fromY][fromX] == BlackPawn)
9410 && (board[toY][toX] == EmptySquare)) {
9411 board[fromY][fromX] = EmptySquare;
9412 board[toY][toX] = BlackPawn;
9413 if(oldEP & EP_BEROLIN_A) {
9414 captured = board[fromY][fromX-1];
9415 board[fromY][fromX-1] = EmptySquare;
9416 }else{ captured = board[fromY][fromX+1];
9417 board[fromY][fromX+1] = EmptySquare;
9420 board[toY][toX] = board[fromY][fromX];
9421 board[fromY][fromX] = EmptySquare;
9425 if (gameInfo.holdingsWidth != 0) {
9427 /* !!A lot more code needs to be written to support holdings */
9428 /* [HGM] OK, so I have written it. Holdings are stored in the */
9429 /* penultimate board files, so they are automaticlly stored */
9430 /* in the game history. */
9431 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9432 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9433 /* Delete from holdings, by decreasing count */
9434 /* and erasing image if necessary */
9435 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9436 if(p < (int) BlackPawn) { /* white drop */
9437 p -= (int)WhitePawn;
9438 p = PieceToNumber((ChessSquare)p);
9439 if(p >= gameInfo.holdingsSize) p = 0;
9440 if(--board[p][BOARD_WIDTH-2] <= 0)
9441 board[p][BOARD_WIDTH-1] = EmptySquare;
9442 if((int)board[p][BOARD_WIDTH-2] < 0)
9443 board[p][BOARD_WIDTH-2] = 0;
9444 } else { /* black drop */
9445 p -= (int)BlackPawn;
9446 p = PieceToNumber((ChessSquare)p);
9447 if(p >= gameInfo.holdingsSize) p = 0;
9448 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9449 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9450 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9451 board[BOARD_HEIGHT-1-p][1] = 0;
9454 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9455 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9456 /* [HGM] holdings: Add to holdings, if holdings exist */
9457 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9458 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9459 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9462 if (p >= (int) BlackPawn) {
9463 p -= (int)BlackPawn;
9464 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9465 /* in Shogi restore piece to its original first */
9466 captured = (ChessSquare) (DEMOTED captured);
9469 p = PieceToNumber((ChessSquare)p);
9470 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9471 board[p][BOARD_WIDTH-2]++;
9472 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9474 p -= (int)WhitePawn;
9475 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9476 captured = (ChessSquare) (DEMOTED captured);
9479 p = PieceToNumber((ChessSquare)p);
9480 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9481 board[BOARD_HEIGHT-1-p][1]++;
9482 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9485 } else if (gameInfo.variant == VariantAtomic) {
9486 if (captured != EmptySquare) {
9488 for (y = toY-1; y <= toY+1; y++) {
9489 for (x = toX-1; x <= toX+1; x++) {
9490 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9491 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9492 board[y][x] = EmptySquare;
9496 board[toY][toX] = EmptySquare;
9499 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9500 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9502 if(promoChar == '+') {
9503 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9504 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9505 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9506 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9507 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9508 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9509 board[toY][toX] = newPiece;
9511 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9512 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9513 // [HGM] superchess: take promotion piece out of holdings
9514 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9515 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9516 if(!--board[k][BOARD_WIDTH-2])
9517 board[k][BOARD_WIDTH-1] = EmptySquare;
9519 if(!--board[BOARD_HEIGHT-1-k][1])
9520 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9526 /* Updates forwardMostMove */
9528 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9530 // forwardMostMove++; // [HGM] bare: moved downstream
9532 (void) CoordsToAlgebraic(boards[forwardMostMove],
9533 PosFlags(forwardMostMove),
9534 fromY, fromX, toY, toX, promoChar,
9535 parseList[forwardMostMove]);
9537 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9538 int timeLeft; static int lastLoadFlag=0; int king, piece;
9539 piece = boards[forwardMostMove][fromY][fromX];
9540 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9541 if(gameInfo.variant == VariantKnightmate)
9542 king += (int) WhiteUnicorn - (int) WhiteKing;
9543 if(forwardMostMove == 0) {
9544 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9545 fprintf(serverMoves, "%s;", UserName());
9546 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9547 fprintf(serverMoves, "%s;", second.tidy);
9548 fprintf(serverMoves, "%s;", first.tidy);
9549 if(gameMode == MachinePlaysWhite)
9550 fprintf(serverMoves, "%s;", UserName());
9551 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9552 fprintf(serverMoves, "%s;", second.tidy);
9553 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9554 lastLoadFlag = loadFlag;
9556 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9557 // print castling suffix
9558 if( toY == fromY && piece == king ) {
9560 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9562 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9565 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9566 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9567 boards[forwardMostMove][toY][toX] == EmptySquare
9568 && fromX != toX && fromY != toY)
9569 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9571 if(promoChar != NULLCHAR)
9572 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9574 char buf[MOVE_LEN*2], *p; int len;
9575 fprintf(serverMoves, "/%d/%d",
9576 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9577 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9578 else timeLeft = blackTimeRemaining/1000;
9579 fprintf(serverMoves, "/%d", timeLeft);
9580 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9581 if(p = strchr(buf, '=')) *p = NULLCHAR;
9582 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9583 fprintf(serverMoves, "/%s", buf);
9585 fflush(serverMoves);
9588 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9589 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9592 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9593 if (commentList[forwardMostMove+1] != NULL) {
9594 free(commentList[forwardMostMove+1]);
9595 commentList[forwardMostMove+1] = NULL;
9597 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9598 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9599 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9600 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9601 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9602 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9603 adjustedClock = FALSE;
9604 gameInfo.result = GameUnfinished;
9605 if (gameInfo.resultDetails != NULL) {
9606 free(gameInfo.resultDetails);
9607 gameInfo.resultDetails = NULL;
9609 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9610 moveList[forwardMostMove - 1]);
9611 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9617 if(gameInfo.variant != VariantShogi)
9618 strcat(parseList[forwardMostMove - 1], "+");
9622 strcat(parseList[forwardMostMove - 1], "#");
9628 /* Updates currentMove if not pausing */
9630 ShowMove (int fromX, int fromY, int toX, int toY)
9632 int instant = (gameMode == PlayFromGameFile) ?
9633 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9634 if(appData.noGUI) return;
9635 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9637 if (forwardMostMove == currentMove + 1) {
9638 AnimateMove(boards[forwardMostMove - 1],
9639 fromX, fromY, toX, toY);
9641 if (appData.highlightLastMove) {
9642 SetHighlights(fromX, fromY, toX, toY);
9645 currentMove = forwardMostMove;
9648 if (instant) return;
9650 DisplayMove(currentMove - 1);
9651 DrawPosition(FALSE, boards[currentMove]);
9652 DisplayBothClocks();
9653 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9657 SendEgtPath (ChessProgramState *cps)
9658 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9659 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9661 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9664 char c, *q = name+1, *r, *s;
9666 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9667 while(*p && *p != ',') *q++ = *p++;
9669 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9670 strcmp(name, ",nalimov:") == 0 ) {
9671 // take nalimov path from the menu-changeable option first, if it is defined
9672 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9673 SendToProgram(buf,cps); // send egtbpath command for nalimov
9675 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9676 (s = StrStr(appData.egtFormats, name)) != NULL) {
9677 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9678 s = r = StrStr(s, ":") + 1; // beginning of path info
9679 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9680 c = *r; *r = 0; // temporarily null-terminate path info
9681 *--q = 0; // strip of trailig ':' from name
9682 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9684 SendToProgram(buf,cps); // send egtbpath command for this format
9686 if(*p == ',') p++; // read away comma to position for next format name
9691 InitChessProgram (ChessProgramState *cps, int setup)
9692 /* setup needed to setup FRC opening position */
9694 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9695 if (appData.noChessProgram) return;
9696 hintRequested = FALSE;
9697 bookRequested = FALSE;
9699 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9700 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9701 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9702 if(cps->memSize) { /* [HGM] memory */
9703 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9704 SendToProgram(buf, cps);
9706 SendEgtPath(cps); /* [HGM] EGT */
9707 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9708 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9709 SendToProgram(buf, cps);
9712 SendToProgram(cps->initString, cps);
9713 if (gameInfo.variant != VariantNormal &&
9714 gameInfo.variant != VariantLoadable
9715 /* [HGM] also send variant if board size non-standard */
9716 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9718 char *v = VariantName(gameInfo.variant);
9719 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9720 /* [HGM] in protocol 1 we have to assume all variants valid */
9721 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9722 DisplayFatalError(buf, 0, 1);
9726 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9727 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9728 if( gameInfo.variant == VariantXiangqi )
9729 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9730 if( gameInfo.variant == VariantShogi )
9731 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9732 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9733 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9734 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9735 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9736 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9737 if( gameInfo.variant == VariantCourier )
9738 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9739 if( gameInfo.variant == VariantSuper )
9740 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9741 if( gameInfo.variant == VariantGreat )
9742 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9743 if( gameInfo.variant == VariantSChess )
9744 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9745 if( gameInfo.variant == VariantGrand )
9746 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9749 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9750 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9751 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9752 if(StrStr(cps->variants, b) == NULL) {
9753 // specific sized variant not known, check if general sizing allowed
9754 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9755 if(StrStr(cps->variants, "boardsize") == NULL) {
9756 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9757 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9758 DisplayFatalError(buf, 0, 1);
9761 /* [HGM] here we really should compare with the maximum supported board size */
9764 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9765 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9766 SendToProgram(buf, cps);
9768 currentlyInitializedVariant = gameInfo.variant;
9770 /* [HGM] send opening position in FRC to first engine */
9772 SendToProgram("force\n", cps);
9774 /* engine is now in force mode! Set flag to wake it up after first move. */
9775 setboardSpoiledMachineBlack = 1;
9779 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9780 SendToProgram(buf, cps);
9782 cps->maybeThinking = FALSE;
9783 cps->offeredDraw = 0;
9784 if (!appData.icsActive) {
9785 SendTimeControl(cps, movesPerSession, timeControl,
9786 timeIncrement, appData.searchDepth,
9789 if (appData.showThinking
9790 // [HGM] thinking: four options require thinking output to be sent
9791 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9793 SendToProgram("post\n", cps);
9795 SendToProgram("hard\n", cps);
9796 if (!appData.ponderNextMove) {
9797 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9798 it without being sure what state we are in first. "hard"
9799 is not a toggle, so that one is OK.
9801 SendToProgram("easy\n", cps);
9804 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9805 SendToProgram(buf, cps);
9807 cps->initDone = TRUE;
9808 ClearEngineOutputPane(cps == &second);
9813 StartChessProgram (ChessProgramState *cps)
9818 if (appData.noChessProgram) return;
9819 cps->initDone = FALSE;
9821 if (strcmp(cps->host, "localhost") == 0) {
9822 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9823 } else if (*appData.remoteShell == NULLCHAR) {
9824 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9826 if (*appData.remoteUser == NULLCHAR) {
9827 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9830 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9831 cps->host, appData.remoteUser, cps->program);
9833 err = StartChildProcess(buf, "", &cps->pr);
9837 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9838 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9839 if(cps != &first) return;
9840 appData.noChessProgram = TRUE;
9843 // DisplayFatalError(buf, err, 1);
9844 // cps->pr = NoProc;
9849 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9850 if (cps->protocolVersion > 1) {
9851 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9852 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9853 cps->comboCnt = 0; // and values of combo boxes
9854 SendToProgram(buf, cps);
9856 SendToProgram("xboard\n", cps);
9861 TwoMachinesEventIfReady P((void))
9863 static int curMess = 0;
9864 if (first.lastPing != first.lastPong) {
9865 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9866 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9869 if (second.lastPing != second.lastPong) {
9870 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9871 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9874 DisplayMessage("", ""); curMess = 0;
9880 MakeName (char *template)
9884 static char buf[MSG_SIZ];
9888 clock = time((time_t *)NULL);
9889 tm = localtime(&clock);
9891 while(*p++ = *template++) if(p[-1] == '%') {
9892 switch(*template++) {
9893 case 0: *p = 0; return buf;
9894 case 'Y': i = tm->tm_year+1900; break;
9895 case 'y': i = tm->tm_year-100; break;
9896 case 'M': i = tm->tm_mon+1; break;
9897 case 'd': i = tm->tm_mday; break;
9898 case 'h': i = tm->tm_hour; break;
9899 case 'm': i = tm->tm_min; break;
9900 case 's': i = tm->tm_sec; break;
9903 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9909 CountPlayers (char *p)
9912 while(p = strchr(p, '\n')) p++, n++; // count participants
9917 WriteTourneyFile (char *results, FILE *f)
9918 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9919 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9920 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9921 // create a file with tournament description
9922 fprintf(f, "-participants {%s}\n", appData.participants);
9923 fprintf(f, "-seedBase %d\n", appData.seedBase);
9924 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9925 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9926 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9927 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9928 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9929 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9930 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9931 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9932 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9933 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9934 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9935 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9937 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9939 fprintf(f, "-mps %d\n", appData.movesPerSession);
9940 fprintf(f, "-tc %s\n", appData.timeControl);
9941 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9943 fprintf(f, "-results \"%s\"\n", results);
9948 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9951 Substitute (char *participants, int expunge)
9953 int i, changed, changes=0, nPlayers=0;
9954 char *p, *q, *r, buf[MSG_SIZ];
9955 if(participants == NULL) return;
9956 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9957 r = p = participants; q = appData.participants;
9958 while(*p && *p == *q) {
9959 if(*p == '\n') r = p+1, nPlayers++;
9962 if(*p) { // difference
9963 while(*p && *p++ != '\n');
9964 while(*q && *q++ != '\n');
9966 changes = 1 + (strcmp(p, q) != 0);
9968 if(changes == 1) { // a single engine mnemonic was changed
9969 q = r; while(*q) nPlayers += (*q++ == '\n');
9970 p = buf; while(*r && (*p = *r++) != '\n') p++;
9972 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9973 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9974 if(mnemonic[i]) { // The substitute is valid
9976 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9977 flock(fileno(f), LOCK_EX);
9978 ParseArgsFromFile(f);
9979 fseek(f, 0, SEEK_SET);
9980 FREE(appData.participants); appData.participants = participants;
9981 if(expunge) { // erase results of replaced engine
9982 int len = strlen(appData.results), w, b, dummy;
9983 for(i=0; i<len; i++) {
9984 Pairing(i, nPlayers, &w, &b, &dummy);
9985 if((w == changed || b == changed) && appData.results[i] == '*') {
9986 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9991 for(i=0; i<len; i++) {
9992 Pairing(i, nPlayers, &w, &b, &dummy);
9993 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9996 WriteTourneyFile(appData.results, f);
9997 fclose(f); // release lock
10000 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10002 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10003 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10004 free(participants);
10009 CreateTourney (char *name)
10012 if(matchMode && strcmp(name, appData.tourneyFile)) {
10013 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10015 if(name[0] == NULLCHAR) {
10016 if(appData.participants[0])
10017 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10020 f = fopen(name, "r");
10021 if(f) { // file exists
10022 ASSIGN(appData.tourneyFile, name);
10023 ParseArgsFromFile(f); // parse it
10025 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10026 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10027 DisplayError(_("Not enough participants"), 0);
10030 ASSIGN(appData.tourneyFile, name);
10031 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10032 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10035 appData.noChessProgram = FALSE;
10036 appData.clockMode = TRUE;
10042 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10044 char buf[MSG_SIZ], *p, *q;
10045 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10046 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10047 skip = !all && group[0]; // if group requested, we start in skip mode
10048 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10049 p = names; q = buf; header = 0;
10050 while(*p && *p != '\n') *q++ = *p++;
10052 if(*p == '\n') p++;
10053 if(buf[0] == '#') {
10054 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10055 depth++; // we must be entering a new group
10056 if(all) continue; // suppress printing group headers when complete list requested
10058 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10060 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10061 if(engineList[i]) free(engineList[i]);
10062 engineList[i] = strdup(buf);
10063 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10064 if(engineMnemonic[i]) free(engineMnemonic[i]);
10065 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10067 sscanf(q + 8, "%s", buf + strlen(buf));
10070 engineMnemonic[i] = strdup(buf);
10073 engineList[i] = engineMnemonic[i] = NULL;
10077 // following implemented as macro to avoid type limitations
10078 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10081 SwapEngines (int n)
10082 { // swap settings for first engine and other engine (so far only some selected options)
10087 SWAP(chessProgram, p)
10089 SWAP(hasOwnBookUCI, h)
10090 SWAP(protocolVersion, h)
10092 SWAP(scoreIsAbsolute, h)
10097 SWAP(engOptions, p)
10098 SWAP(engInitString, p)
10099 SWAP(computerString, p)
10101 SWAP(fenOverride, p)
10103 SWAP(accumulateTC, h)
10108 SetPlayer (int player, char *p)
10109 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10111 char buf[MSG_SIZ], *engineName;
10112 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10113 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10114 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10116 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10117 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10118 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10119 ParseArgsFromString(buf);
10125 char *recentEngines;
10128 RecentEngineEvent (int nr)
10131 // SwapEngines(1); // bump first to second
10132 // ReplaceEngine(&second, 1); // and load it there
10133 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10134 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10135 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10136 ReplaceEngine(&first, 0);
10137 FloatToFront(&appData.recentEngineList, command[n]);
10142 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10143 { // determine players from game number
10144 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10146 if(appData.tourneyType == 0) {
10147 roundsPerCycle = (nPlayers - 1) | 1;
10148 pairingsPerRound = nPlayers / 2;
10149 } else if(appData.tourneyType > 0) {
10150 roundsPerCycle = nPlayers - appData.tourneyType;
10151 pairingsPerRound = appData.tourneyType;
10153 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10154 gamesPerCycle = gamesPerRound * roundsPerCycle;
10155 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10156 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10157 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10158 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10159 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10160 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10162 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10163 if(appData.roundSync) *syncInterval = gamesPerRound;
10165 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10167 if(appData.tourneyType == 0) {
10168 if(curPairing == (nPlayers-1)/2 ) {
10169 *whitePlayer = curRound;
10170 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10172 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10173 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10174 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10175 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10177 } else if(appData.tourneyType > 1) {
10178 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10179 *whitePlayer = curRound + appData.tourneyType;
10180 } else if(appData.tourneyType > 0) {
10181 *whitePlayer = curPairing;
10182 *blackPlayer = curRound + appData.tourneyType;
10185 // take care of white/black alternation per round.
10186 // For cycles and games this is already taken care of by default, derived from matchGame!
10187 return curRound & 1;
10191 NextTourneyGame (int nr, int *swapColors)
10192 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10194 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10196 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10197 tf = fopen(appData.tourneyFile, "r");
10198 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10199 ParseArgsFromFile(tf); fclose(tf);
10200 InitTimeControls(); // TC might be altered from tourney file
10202 nPlayers = CountPlayers(appData.participants); // count participants
10203 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10204 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10207 p = q = appData.results;
10208 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10209 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10210 DisplayMessage(_("Waiting for other game(s)"),"");
10211 waitingForGame = TRUE;
10212 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10215 waitingForGame = FALSE;
10218 if(appData.tourneyType < 0) {
10219 if(nr>=0 && !pairingReceived) {
10221 if(pairing.pr == NoProc) {
10222 if(!appData.pairingEngine[0]) {
10223 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10226 StartChessProgram(&pairing); // starts the pairing engine
10228 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10229 SendToProgram(buf, &pairing);
10230 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10231 SendToProgram(buf, &pairing);
10232 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10234 pairingReceived = 0; // ... so we continue here
10236 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10237 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10238 matchGame = 1; roundNr = nr / syncInterval + 1;
10241 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10243 // redefine engines, engine dir, etc.
10244 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10245 if(first.pr == NoProc) {
10246 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10247 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10249 if(second.pr == NoProc) {
10251 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10252 SwapEngines(1); // and make that valid for second engine by swapping
10253 InitEngine(&second, 1);
10255 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10256 UpdateLogos(FALSE); // leave display to ModeHiglight()
10262 { // performs game initialization that does not invoke engines, and then tries to start the game
10263 int res, firstWhite, swapColors = 0;
10264 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10265 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
10267 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10268 if(strcmp(buf, currentDebugFile)) { // name has changed
10269 FILE *f = fopen(buf, "w");
10270 if(f) { // if opening the new file failed, just keep using the old one
10271 ASSIGN(currentDebugFile, buf);
10275 if(appData.serverFileName) {
10276 if(serverFP) fclose(serverFP);
10277 serverFP = fopen(appData.serverFileName, "w");
10278 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10279 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10283 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10284 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10285 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10286 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10287 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10288 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10289 Reset(FALSE, first.pr != NoProc);
10290 res = LoadGameOrPosition(matchGame); // setup game
10291 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10292 if(!res) return; // abort when bad game/pos file
10293 TwoMachinesEvent();
10297 UserAdjudicationEvent (int result)
10299 ChessMove gameResult = GameIsDrawn;
10302 gameResult = WhiteWins;
10304 else if( result < 0 ) {
10305 gameResult = BlackWins;
10308 if( gameMode == TwoMachinesPlay ) {
10309 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10314 // [HGM] save: calculate checksum of game to make games easily identifiable
10316 StringCheckSum (char *s)
10319 if(s==NULL) return 0;
10320 while(*s) i = i*259 + *s++;
10328 for(i=backwardMostMove; i<forwardMostMove; i++) {
10329 sum += pvInfoList[i].depth;
10330 sum += StringCheckSum(parseList[i]);
10331 sum += StringCheckSum(commentList[i]);
10334 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10335 return sum + StringCheckSum(commentList[i]);
10336 } // end of save patch
10339 GameEnds (ChessMove result, char *resultDetails, int whosays)
10341 GameMode nextGameMode;
10343 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10345 if(endingGame) return; /* [HGM] crash: forbid recursion */
10347 if(twoBoards) { // [HGM] dual: switch back to one board
10348 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10349 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10351 if (appData.debugMode) {
10352 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10353 result, resultDetails ? resultDetails : "(null)", whosays);
10356 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10358 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10359 /* If we are playing on ICS, the server decides when the
10360 game is over, but the engine can offer to draw, claim
10364 if (appData.zippyPlay && first.initDone) {
10365 if (result == GameIsDrawn) {
10366 /* In case draw still needs to be claimed */
10367 SendToICS(ics_prefix);
10368 SendToICS("draw\n");
10369 } else if (StrCaseStr(resultDetails, "resign")) {
10370 SendToICS(ics_prefix);
10371 SendToICS("resign\n");
10375 endingGame = 0; /* [HGM] crash */
10379 /* If we're loading the game from a file, stop */
10380 if (whosays == GE_FILE) {
10381 (void) StopLoadGameTimer();
10385 /* Cancel draw offers */
10386 first.offeredDraw = second.offeredDraw = 0;
10388 /* If this is an ICS game, only ICS can really say it's done;
10389 if not, anyone can. */
10390 isIcsGame = (gameMode == IcsPlayingWhite ||
10391 gameMode == IcsPlayingBlack ||
10392 gameMode == IcsObserving ||
10393 gameMode == IcsExamining);
10395 if (!isIcsGame || whosays == GE_ICS) {
10396 /* OK -- not an ICS game, or ICS said it was done */
10398 if (!isIcsGame && !appData.noChessProgram)
10399 SetUserThinkingEnables();
10401 /* [HGM] if a machine claims the game end we verify this claim */
10402 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10403 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10405 ChessMove trueResult = (ChessMove) -1;
10407 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10408 first.twoMachinesColor[0] :
10409 second.twoMachinesColor[0] ;
10411 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10412 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10413 /* [HGM] verify: engine mate claims accepted if they were flagged */
10414 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10416 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10417 /* [HGM] verify: engine mate claims accepted if they were flagged */
10418 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10420 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10421 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10424 // now verify win claims, but not in drop games, as we don't understand those yet
10425 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10426 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10427 (result == WhiteWins && claimer == 'w' ||
10428 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10429 if (appData.debugMode) {
10430 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10431 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10433 if(result != trueResult) {
10434 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10435 result = claimer == 'w' ? BlackWins : WhiteWins;
10436 resultDetails = buf;
10439 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10440 && (forwardMostMove <= backwardMostMove ||
10441 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10442 (claimer=='b')==(forwardMostMove&1))
10444 /* [HGM] verify: draws that were not flagged are false claims */
10445 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10446 result = claimer == 'w' ? BlackWins : WhiteWins;
10447 resultDetails = buf;
10449 /* (Claiming a loss is accepted no questions asked!) */
10451 /* [HGM] bare: don't allow bare King to win */
10452 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10453 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10454 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10455 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10456 && result != GameIsDrawn)
10457 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10458 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10459 int p = (signed char)boards[forwardMostMove][i][j] - color;
10460 if(p >= 0 && p <= (int)WhiteKing) k++;
10462 if (appData.debugMode) {
10463 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10464 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10467 result = GameIsDrawn;
10468 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10469 resultDetails = buf;
10475 if(serverMoves != NULL && !loadFlag) { char c = '=';
10476 if(result==WhiteWins) c = '+';
10477 if(result==BlackWins) c = '-';
10478 if(resultDetails != NULL)
10479 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10481 if (resultDetails != NULL) {
10482 gameInfo.result = result;
10483 gameInfo.resultDetails = StrSave(resultDetails);
10485 /* display last move only if game was not loaded from file */
10486 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10487 DisplayMove(currentMove - 1);
10489 if (forwardMostMove != 0) {
10490 if (gameMode != PlayFromGameFile && gameMode != EditGame
10491 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10493 if (*appData.saveGameFile != NULLCHAR) {
10494 SaveGameToFile(appData.saveGameFile, TRUE);
10495 } else if (appData.autoSaveGames) {
10498 if (*appData.savePositionFile != NULLCHAR) {
10499 SavePositionToFile(appData.savePositionFile);
10504 /* Tell program how game ended in case it is learning */
10505 /* [HGM] Moved this to after saving the PGN, just in case */
10506 /* engine died and we got here through time loss. In that */
10507 /* case we will get a fatal error writing the pipe, which */
10508 /* would otherwise lose us the PGN. */
10509 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10510 /* output during GameEnds should never be fatal anymore */
10511 if (gameMode == MachinePlaysWhite ||
10512 gameMode == MachinePlaysBlack ||
10513 gameMode == TwoMachinesPlay ||
10514 gameMode == IcsPlayingWhite ||
10515 gameMode == IcsPlayingBlack ||
10516 gameMode == BeginningOfGame) {
10518 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10520 if (first.pr != NoProc) {
10521 SendToProgram(buf, &first);
10523 if (second.pr != NoProc &&
10524 gameMode == TwoMachinesPlay) {
10525 SendToProgram(buf, &second);
10530 if (appData.icsActive) {
10531 if (appData.quietPlay &&
10532 (gameMode == IcsPlayingWhite ||
10533 gameMode == IcsPlayingBlack)) {
10534 SendToICS(ics_prefix);
10535 SendToICS("set shout 1\n");
10537 nextGameMode = IcsIdle;
10538 ics_user_moved = FALSE;
10539 /* clean up premove. It's ugly when the game has ended and the
10540 * premove highlights are still on the board.
10543 gotPremove = FALSE;
10544 ClearPremoveHighlights();
10545 DrawPosition(FALSE, boards[currentMove]);
10547 if (whosays == GE_ICS) {
10550 if (gameMode == IcsPlayingWhite)
10552 else if(gameMode == IcsPlayingBlack)
10553 PlayIcsLossSound();
10556 if (gameMode == IcsPlayingBlack)
10558 else if(gameMode == IcsPlayingWhite)
10559 PlayIcsLossSound();
10562 PlayIcsDrawSound();
10565 PlayIcsUnfinishedSound();
10568 } else if (gameMode == EditGame ||
10569 gameMode == PlayFromGameFile ||
10570 gameMode == AnalyzeMode ||
10571 gameMode == AnalyzeFile) {
10572 nextGameMode = gameMode;
10574 nextGameMode = EndOfGame;
10579 nextGameMode = gameMode;
10582 if (appData.noChessProgram) {
10583 gameMode = nextGameMode;
10585 endingGame = 0; /* [HGM] crash */
10590 /* Put first chess program into idle state */
10591 if (first.pr != NoProc &&
10592 (gameMode == MachinePlaysWhite ||
10593 gameMode == MachinePlaysBlack ||
10594 gameMode == TwoMachinesPlay ||
10595 gameMode == IcsPlayingWhite ||
10596 gameMode == IcsPlayingBlack ||
10597 gameMode == BeginningOfGame)) {
10598 SendToProgram("force\n", &first);
10599 if (first.usePing) {
10601 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10602 SendToProgram(buf, &first);
10605 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10606 /* Kill off first chess program */
10607 if (first.isr != NULL)
10608 RemoveInputSource(first.isr);
10611 if (first.pr != NoProc) {
10613 DoSleep( appData.delayBeforeQuit );
10614 SendToProgram("quit\n", &first);
10615 DoSleep( appData.delayAfterQuit );
10616 DestroyChildProcess(first.pr, first.useSigterm);
10620 if (second.reuse) {
10621 /* Put second chess program into idle state */
10622 if (second.pr != NoProc &&
10623 gameMode == TwoMachinesPlay) {
10624 SendToProgram("force\n", &second);
10625 if (second.usePing) {
10627 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10628 SendToProgram(buf, &second);
10631 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10632 /* Kill off second chess program */
10633 if (second.isr != NULL)
10634 RemoveInputSource(second.isr);
10637 if (second.pr != NoProc) {
10638 DoSleep( appData.delayBeforeQuit );
10639 SendToProgram("quit\n", &second);
10640 DoSleep( appData.delayAfterQuit );
10641 DestroyChildProcess(second.pr, second.useSigterm);
10643 second.pr = NoProc;
10646 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10647 char resChar = '=';
10651 if (first.twoMachinesColor[0] == 'w') {
10654 second.matchWins++;
10659 if (first.twoMachinesColor[0] == 'b') {
10662 second.matchWins++;
10665 case GameUnfinished:
10671 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10672 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10673 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10674 ReserveGame(nextGame, resChar); // sets nextGame
10675 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10676 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10677 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10679 if (nextGame <= appData.matchGames && !abortMatch) {
10680 gameMode = nextGameMode;
10681 matchGame = nextGame; // this will be overruled in tourney mode!
10682 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10683 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10684 endingGame = 0; /* [HGM] crash */
10687 gameMode = nextGameMode;
10688 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10689 first.tidy, second.tidy,
10690 first.matchWins, second.matchWins,
10691 appData.matchGames - (first.matchWins + second.matchWins));
10692 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10693 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10694 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10695 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10696 first.twoMachinesColor = "black\n";
10697 second.twoMachinesColor = "white\n";
10699 first.twoMachinesColor = "white\n";
10700 second.twoMachinesColor = "black\n";
10704 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10705 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10707 gameMode = nextGameMode;
10709 endingGame = 0; /* [HGM] crash */
10710 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10711 if(matchMode == TRUE) { // match through command line: exit with or without popup
10713 ToNrEvent(forwardMostMove);
10714 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10716 } else DisplayFatalError(buf, 0, 0);
10717 } else { // match through menu; just stop, with or without popup
10718 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10721 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10722 } else DisplayNote(buf);
10724 if(ranking) free(ranking);
10728 /* Assumes program was just initialized (initString sent).
10729 Leaves program in force mode. */
10731 FeedMovesToProgram (ChessProgramState *cps, int upto)
10735 if (appData.debugMode)
10736 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10737 startedFromSetupPosition ? "position and " : "",
10738 backwardMostMove, upto, cps->which);
10739 if(currentlyInitializedVariant != gameInfo.variant) {
10741 // [HGM] variantswitch: make engine aware of new variant
10742 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10743 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10744 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10745 SendToProgram(buf, cps);
10746 currentlyInitializedVariant = gameInfo.variant;
10748 SendToProgram("force\n", cps);
10749 if (startedFromSetupPosition) {
10750 SendBoard(cps, backwardMostMove);
10751 if (appData.debugMode) {
10752 fprintf(debugFP, "feedMoves\n");
10755 for (i = backwardMostMove; i < upto; i++) {
10756 SendMoveToProgram(i, cps);
10762 ResurrectChessProgram ()
10764 /* The chess program may have exited.
10765 If so, restart it and feed it all the moves made so far. */
10766 static int doInit = 0;
10768 if (appData.noChessProgram) return 1;
10770 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10771 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10772 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10773 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10775 if (first.pr != NoProc) return 1;
10776 StartChessProgram(&first);
10778 InitChessProgram(&first, FALSE);
10779 FeedMovesToProgram(&first, currentMove);
10781 if (!first.sendTime) {
10782 /* can't tell gnuchess what its clock should read,
10783 so we bow to its notion. */
10785 timeRemaining[0][currentMove] = whiteTimeRemaining;
10786 timeRemaining[1][currentMove] = blackTimeRemaining;
10789 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10790 appData.icsEngineAnalyze) && first.analysisSupport) {
10791 SendToProgram("analyze\n", &first);
10792 first.analyzing = TRUE;
10798 * Button procedures
10801 Reset (int redraw, int init)
10805 if (appData.debugMode) {
10806 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10807 redraw, init, gameMode);
10809 CleanupTail(); // [HGM] vari: delete any stored variations
10810 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10811 pausing = pauseExamInvalid = FALSE;
10812 startedFromSetupPosition = blackPlaysFirst = FALSE;
10814 whiteFlag = blackFlag = FALSE;
10815 userOfferedDraw = FALSE;
10816 hintRequested = bookRequested = FALSE;
10817 first.maybeThinking = FALSE;
10818 second.maybeThinking = FALSE;
10819 first.bookSuspend = FALSE; // [HGM] book
10820 second.bookSuspend = FALSE;
10821 thinkOutput[0] = NULLCHAR;
10822 lastHint[0] = NULLCHAR;
10823 ClearGameInfo(&gameInfo);
10824 gameInfo.variant = StringToVariant(appData.variant);
10825 ics_user_moved = ics_clock_paused = FALSE;
10826 ics_getting_history = H_FALSE;
10828 white_holding[0] = black_holding[0] = NULLCHAR;
10829 ClearProgramStats();
10830 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10834 flipView = appData.flipView;
10835 ClearPremoveHighlights();
10836 gotPremove = FALSE;
10837 alarmSounded = FALSE;
10839 GameEnds(EndOfFile, NULL, GE_PLAYER);
10840 if(appData.serverMovesName != NULL) {
10841 /* [HGM] prepare to make moves file for broadcasting */
10842 clock_t t = clock();
10843 if(serverMoves != NULL) fclose(serverMoves);
10844 serverMoves = fopen(appData.serverMovesName, "r");
10845 if(serverMoves != NULL) {
10846 fclose(serverMoves);
10847 /* delay 15 sec before overwriting, so all clients can see end */
10848 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10850 serverMoves = fopen(appData.serverMovesName, "w");
10854 gameMode = BeginningOfGame;
10856 if(appData.icsActive) gameInfo.variant = VariantNormal;
10857 currentMove = forwardMostMove = backwardMostMove = 0;
10858 MarkTargetSquares(1);
10859 InitPosition(redraw);
10860 for (i = 0; i < MAX_MOVES; i++) {
10861 if (commentList[i] != NULL) {
10862 free(commentList[i]);
10863 commentList[i] = NULL;
10867 timeRemaining[0][0] = whiteTimeRemaining;
10868 timeRemaining[1][0] = blackTimeRemaining;
10870 if (first.pr == NoProc) {
10871 StartChessProgram(&first);
10874 InitChessProgram(&first, startedFromSetupPosition);
10877 DisplayMessage("", "");
10878 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10879 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10880 ClearMap(); // [HGM] exclude: invalidate map
10884 AutoPlayGameLoop ()
10887 if (!AutoPlayOneMove())
10889 if (matchMode || appData.timeDelay == 0)
10891 if (appData.timeDelay < 0)
10893 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10902 int fromX, fromY, toX, toY;
10904 if (appData.debugMode) {
10905 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10908 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10911 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10912 pvInfoList[currentMove].depth = programStats.depth;
10913 pvInfoList[currentMove].score = programStats.score;
10914 pvInfoList[currentMove].time = 0;
10915 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10918 if (currentMove >= forwardMostMove) {
10919 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10920 // gameMode = EndOfGame;
10921 // ModeHighlight();
10923 /* [AS] Clear current move marker at the end of a game */
10924 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10929 toX = moveList[currentMove][2] - AAA;
10930 toY = moveList[currentMove][3] - ONE;
10932 if (moveList[currentMove][1] == '@') {
10933 if (appData.highlightLastMove) {
10934 SetHighlights(-1, -1, toX, toY);
10937 fromX = moveList[currentMove][0] - AAA;
10938 fromY = moveList[currentMove][1] - ONE;
10940 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10942 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10944 if (appData.highlightLastMove) {
10945 SetHighlights(fromX, fromY, toX, toY);
10948 DisplayMove(currentMove);
10949 SendMoveToProgram(currentMove++, &first);
10950 DisplayBothClocks();
10951 DrawPosition(FALSE, boards[currentMove]);
10952 // [HGM] PV info: always display, routine tests if empty
10953 DisplayComment(currentMove - 1, commentList[currentMove]);
10959 LoadGameOneMove (ChessMove readAhead)
10961 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10962 char promoChar = NULLCHAR;
10963 ChessMove moveType;
10964 char move[MSG_SIZ];
10967 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10968 gameMode != AnalyzeMode && gameMode != Training) {
10973 yyboardindex = forwardMostMove;
10974 if (readAhead != EndOfFile) {
10975 moveType = readAhead;
10977 if (gameFileFP == NULL)
10979 moveType = (ChessMove) Myylex();
10983 switch (moveType) {
10985 if (appData.debugMode)
10986 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10989 /* append the comment but don't display it */
10990 AppendComment(currentMove, p, FALSE);
10993 case WhiteCapturesEnPassant:
10994 case BlackCapturesEnPassant:
10995 case WhitePromotion:
10996 case BlackPromotion:
10997 case WhiteNonPromotion:
10998 case BlackNonPromotion:
11000 case WhiteKingSideCastle:
11001 case WhiteQueenSideCastle:
11002 case BlackKingSideCastle:
11003 case BlackQueenSideCastle:
11004 case WhiteKingSideCastleWild:
11005 case WhiteQueenSideCastleWild:
11006 case BlackKingSideCastleWild:
11007 case BlackQueenSideCastleWild:
11009 case WhiteHSideCastleFR:
11010 case WhiteASideCastleFR:
11011 case BlackHSideCastleFR:
11012 case BlackASideCastleFR:
11014 if (appData.debugMode)
11015 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11016 fromX = currentMoveString[0] - AAA;
11017 fromY = currentMoveString[1] - ONE;
11018 toX = currentMoveString[2] - AAA;
11019 toY = currentMoveString[3] - ONE;
11020 promoChar = currentMoveString[4];
11025 if (appData.debugMode)
11026 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11027 fromX = moveType == WhiteDrop ?
11028 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11029 (int) CharToPiece(ToLower(currentMoveString[0]));
11031 toX = currentMoveString[2] - AAA;
11032 toY = currentMoveString[3] - ONE;
11038 case GameUnfinished:
11039 if (appData.debugMode)
11040 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11041 p = strchr(yy_text, '{');
11042 if (p == NULL) p = strchr(yy_text, '(');
11045 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11047 q = strchr(p, *p == '{' ? '}' : ')');
11048 if (q != NULL) *q = NULLCHAR;
11051 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11052 GameEnds(moveType, p, GE_FILE);
11054 if (cmailMsgLoaded) {
11056 flipView = WhiteOnMove(currentMove);
11057 if (moveType == GameUnfinished) flipView = !flipView;
11058 if (appData.debugMode)
11059 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11064 if (appData.debugMode)
11065 fprintf(debugFP, "Parser hit end of file\n");
11066 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11072 if (WhiteOnMove(currentMove)) {
11073 GameEnds(BlackWins, "Black mates", GE_FILE);
11075 GameEnds(WhiteWins, "White mates", GE_FILE);
11079 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11085 case MoveNumberOne:
11086 if (lastLoadGameStart == GNUChessGame) {
11087 /* GNUChessGames have numbers, but they aren't move numbers */
11088 if (appData.debugMode)
11089 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11090 yy_text, (int) moveType);
11091 return LoadGameOneMove(EndOfFile); /* tail recursion */
11093 /* else fall thru */
11098 /* Reached start of next game in file */
11099 if (appData.debugMode)
11100 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11101 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11107 if (WhiteOnMove(currentMove)) {
11108 GameEnds(BlackWins, "Black mates", GE_FILE);
11110 GameEnds(WhiteWins, "White mates", GE_FILE);
11114 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11120 case PositionDiagram: /* should not happen; ignore */
11121 case ElapsedTime: /* ignore */
11122 case NAG: /* ignore */
11123 if (appData.debugMode)
11124 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11125 yy_text, (int) moveType);
11126 return LoadGameOneMove(EndOfFile); /* tail recursion */
11129 if (appData.testLegality) {
11130 if (appData.debugMode)
11131 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11132 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11133 (forwardMostMove / 2) + 1,
11134 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11135 DisplayError(move, 0);
11138 if (appData.debugMode)
11139 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11140 yy_text, currentMoveString);
11141 fromX = currentMoveString[0] - AAA;
11142 fromY = currentMoveString[1] - ONE;
11143 toX = currentMoveString[2] - AAA;
11144 toY = currentMoveString[3] - ONE;
11145 promoChar = currentMoveString[4];
11149 case AmbiguousMove:
11150 if (appData.debugMode)
11151 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11152 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11153 (forwardMostMove / 2) + 1,
11154 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11155 DisplayError(move, 0);
11160 case ImpossibleMove:
11161 if (appData.debugMode)
11162 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11163 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11164 (forwardMostMove / 2) + 1,
11165 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11166 DisplayError(move, 0);
11172 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11173 DrawPosition(FALSE, boards[currentMove]);
11174 DisplayBothClocks();
11175 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11176 DisplayComment(currentMove - 1, commentList[currentMove]);
11178 (void) StopLoadGameTimer();
11180 cmailOldMove = forwardMostMove;
11183 /* currentMoveString is set as a side-effect of yylex */
11185 thinkOutput[0] = NULLCHAR;
11186 MakeMove(fromX, fromY, toX, toY, promoChar);
11187 currentMove = forwardMostMove;
11192 /* Load the nth game from the given file */
11194 LoadGameFromFile (char *filename, int n, char *title, int useList)
11199 if (strcmp(filename, "-") == 0) {
11203 f = fopen(filename, "rb");
11205 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11206 DisplayError(buf, errno);
11210 if (fseek(f, 0, 0) == -1) {
11211 /* f is not seekable; probably a pipe */
11214 if (useList && n == 0) {
11215 int error = GameListBuild(f);
11217 DisplayError(_("Cannot build game list"), error);
11218 } else if (!ListEmpty(&gameList) &&
11219 ((ListGame *) gameList.tailPred)->number > 1) {
11220 GameListPopUp(f, title);
11227 return LoadGame(f, n, title, FALSE);
11232 MakeRegisteredMove ()
11234 int fromX, fromY, toX, toY;
11236 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11237 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11240 if (appData.debugMode)
11241 fprintf(debugFP, "Restoring %s for game %d\n",
11242 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11244 thinkOutput[0] = NULLCHAR;
11245 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11246 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11247 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11248 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11249 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11250 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11251 MakeMove(fromX, fromY, toX, toY, promoChar);
11252 ShowMove(fromX, fromY, toX, toY);
11254 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11261 if (WhiteOnMove(currentMove)) {
11262 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11264 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11269 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11276 if (WhiteOnMove(currentMove)) {
11277 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11279 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11284 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11295 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11297 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11301 if (gameNumber > nCmailGames) {
11302 DisplayError(_("No more games in this message"), 0);
11305 if (f == lastLoadGameFP) {
11306 int offset = gameNumber - lastLoadGameNumber;
11308 cmailMsg[0] = NULLCHAR;
11309 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11310 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11311 nCmailMovesRegistered--;
11313 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11314 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11315 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11318 if (! RegisterMove()) return FALSE;
11322 retVal = LoadGame(f, gameNumber, title, useList);
11324 /* Make move registered during previous look at this game, if any */
11325 MakeRegisteredMove();
11327 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11328 commentList[currentMove]
11329 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11330 DisplayComment(currentMove - 1, commentList[currentMove]);
11336 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11338 ReloadGame (int offset)
11340 int gameNumber = lastLoadGameNumber + offset;
11341 if (lastLoadGameFP == NULL) {
11342 DisplayError(_("No game has been loaded yet"), 0);
11345 if (gameNumber <= 0) {
11346 DisplayError(_("Can't back up any further"), 0);
11349 if (cmailMsgLoaded) {
11350 return CmailLoadGame(lastLoadGameFP, gameNumber,
11351 lastLoadGameTitle, lastLoadGameUseList);
11353 return LoadGame(lastLoadGameFP, gameNumber,
11354 lastLoadGameTitle, lastLoadGameUseList);
11358 int keys[EmptySquare+1];
11361 PositionMatches (Board b1, Board b2)
11364 switch(appData.searchMode) {
11365 case 1: return CompareWithRights(b1, b2);
11367 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11368 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11372 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11373 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11374 sum += keys[b1[r][f]] - keys[b2[r][f]];
11378 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11379 sum += keys[b1[r][f]] - keys[b2[r][f]];
11391 int pieceList[256], quickBoard[256];
11392 ChessSquare pieceType[256] = { EmptySquare };
11393 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11394 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11395 int soughtTotal, turn;
11396 Boolean epOK, flipSearch;
11399 unsigned char piece, to;
11402 #define DSIZE (250000)
11404 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11405 Move *moveDatabase = initialSpace;
11406 unsigned int movePtr, dataSize = DSIZE;
11409 MakePieceList (Board board, int *counts)
11411 int r, f, n=Q_PROMO, total=0;
11412 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11413 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11414 int sq = f + (r<<4);
11415 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11416 quickBoard[sq] = ++n;
11418 pieceType[n] = board[r][f];
11419 counts[board[r][f]]++;
11420 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11421 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11425 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11430 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11432 int sq = fromX + (fromY<<4);
11433 int piece = quickBoard[sq];
11434 quickBoard[sq] = 0;
11435 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11436 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11437 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11438 moveDatabase[movePtr++].piece = Q_WCASTL;
11439 quickBoard[sq] = piece;
11440 piece = quickBoard[from]; quickBoard[from] = 0;
11441 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11443 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11444 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11445 moveDatabase[movePtr++].piece = Q_BCASTL;
11446 quickBoard[sq] = piece;
11447 piece = quickBoard[from]; quickBoard[from] = 0;
11448 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11450 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11451 quickBoard[(fromY<<4)+toX] = 0;
11452 moveDatabase[movePtr].piece = Q_EP;
11453 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11454 moveDatabase[movePtr].to = sq;
11456 if(promoPiece != pieceType[piece]) {
11457 moveDatabase[movePtr++].piece = Q_PROMO;
11458 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11460 moveDatabase[movePtr].piece = piece;
11461 quickBoard[sq] = piece;
11466 PackGame (Board board)
11468 Move *newSpace = NULL;
11469 moveDatabase[movePtr].piece = 0; // terminate previous game
11470 if(movePtr > dataSize) {
11471 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11472 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11473 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11476 Move *p = moveDatabase, *q = newSpace;
11477 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11478 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11479 moveDatabase = newSpace;
11480 } else { // calloc failed, we must be out of memory. Too bad...
11481 dataSize = 0; // prevent calloc events for all subsequent games
11482 return 0; // and signal this one isn't cached
11486 MakePieceList(board, counts);
11491 QuickCompare (Board board, int *minCounts, int *maxCounts)
11492 { // compare according to search mode
11494 switch(appData.searchMode)
11496 case 1: // exact position match
11497 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11498 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11499 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11502 case 2: // can have extra material on empty squares
11503 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11504 if(board[r][f] == EmptySquare) continue;
11505 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11508 case 3: // material with exact Pawn structure
11509 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11510 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11511 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11512 } // fall through to material comparison
11513 case 4: // exact material
11514 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11516 case 6: // material range with given imbalance
11517 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11518 // fall through to range comparison
11519 case 5: // material range
11520 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11526 QuickScan (Board board, Move *move)
11527 { // reconstruct game,and compare all positions in it
11528 int cnt=0, stretch=0, total = MakePieceList(board, counts), delayedKing = -1;
11530 int piece = move->piece;
11531 int to = move->to, from = pieceList[piece];
11532 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11533 if(!piece) return -1;
11534 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11535 piece = (++move)->piece;
11536 from = pieceList[piece];
11537 counts[pieceType[piece]]--;
11538 pieceType[piece] = (ChessSquare) move->to;
11539 counts[move->to]++;
11540 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11541 counts[pieceType[quickBoard[to]]]--;
11542 quickBoard[to] = 0; total--;
11545 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11547 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11548 from = pieceList[piece]; // so this must be King
11549 quickBoard[from] = 0;
11550 pieceList[piece] = to;
11551 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11552 quickBoard[from] = 0; // rook
11553 quickBoard[to] = piece;
11554 to = move->to; piece = move->piece;
11558 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11559 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11560 quickBoard[from] = 0;
11562 quickBoard[to] = piece;
11563 pieceList[piece] = to;
11565 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11566 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11567 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11568 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11570 static int lastCounts[EmptySquare+1];
11572 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11573 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11574 } else stretch = 0;
11575 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11576 move++; delayedKing = -1;
11584 flipSearch = FALSE;
11585 CopyBoard(soughtBoard, boards[currentMove]);
11586 soughtTotal = MakePieceList(soughtBoard, maxSought);
11587 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11588 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11589 CopyBoard(reverseBoard, boards[currentMove]);
11590 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11591 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11592 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11593 reverseBoard[r][f] = piece;
11595 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11596 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11597 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11598 || (boards[currentMove][CASTLING][2] == NoRights ||
11599 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11600 && (boards[currentMove][CASTLING][5] == NoRights ||
11601 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11604 CopyBoard(flipBoard, soughtBoard);
11605 CopyBoard(rotateBoard, reverseBoard);
11606 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11607 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11608 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11611 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11612 if(appData.searchMode >= 5) {
11613 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11614 MakePieceList(soughtBoard, minSought);
11615 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11617 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11618 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11621 GameInfo dummyInfo;
11624 GameContainsPosition (FILE *f, ListGame *lg)
11626 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11627 int fromX, fromY, toX, toY;
11629 static int initDone=FALSE;
11631 // weed out games based on numerical tag comparison
11632 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11633 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11634 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11635 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11637 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11640 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11641 else CopyBoard(boards[scratch], initialPosition); // default start position
11644 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11645 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11648 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11649 fseek(f, lg->offset, 0);
11652 yyboardindex = scratch;
11653 quickFlag = plyNr+1;
11658 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11664 if(plyNr) return -1; // after we have seen moves, this is for new game
11667 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11668 case ImpossibleMove:
11669 case WhiteWins: // game ends here with these four
11672 case GameUnfinished:
11676 if(appData.testLegality) return -1;
11677 case WhiteCapturesEnPassant:
11678 case BlackCapturesEnPassant:
11679 case WhitePromotion:
11680 case BlackPromotion:
11681 case WhiteNonPromotion:
11682 case BlackNonPromotion:
11684 case WhiteKingSideCastle:
11685 case WhiteQueenSideCastle:
11686 case BlackKingSideCastle:
11687 case BlackQueenSideCastle:
11688 case WhiteKingSideCastleWild:
11689 case WhiteQueenSideCastleWild:
11690 case BlackKingSideCastleWild:
11691 case BlackQueenSideCastleWild:
11692 case WhiteHSideCastleFR:
11693 case WhiteASideCastleFR:
11694 case BlackHSideCastleFR:
11695 case BlackASideCastleFR:
11696 fromX = currentMoveString[0] - AAA;
11697 fromY = currentMoveString[1] - ONE;
11698 toX = currentMoveString[2] - AAA;
11699 toY = currentMoveString[3] - ONE;
11700 promoChar = currentMoveString[4];
11704 fromX = next == WhiteDrop ?
11705 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11706 (int) CharToPiece(ToLower(currentMoveString[0]));
11708 toX = currentMoveString[2] - AAA;
11709 toY = currentMoveString[3] - ONE;
11713 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11715 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11716 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11717 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11718 if(appData.findMirror) {
11719 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11720 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11725 /* Load the nth game from open file f */
11727 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11731 int gn = gameNumber;
11732 ListGame *lg = NULL;
11733 int numPGNTags = 0;
11735 GameMode oldGameMode;
11736 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11738 if (appData.debugMode)
11739 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11741 if (gameMode == Training )
11742 SetTrainingModeOff();
11744 oldGameMode = gameMode;
11745 if (gameMode != BeginningOfGame) {
11746 Reset(FALSE, TRUE);
11750 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11751 fclose(lastLoadGameFP);
11755 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11758 fseek(f, lg->offset, 0);
11759 GameListHighlight(gameNumber);
11760 pos = lg->position;
11764 DisplayError(_("Game number out of range"), 0);
11769 if (fseek(f, 0, 0) == -1) {
11770 if (f == lastLoadGameFP ?
11771 gameNumber == lastLoadGameNumber + 1 :
11775 DisplayError(_("Can't seek on game file"), 0);
11780 lastLoadGameFP = f;
11781 lastLoadGameNumber = gameNumber;
11782 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11783 lastLoadGameUseList = useList;
11787 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11788 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11789 lg->gameInfo.black);
11791 } else if (*title != NULLCHAR) {
11792 if (gameNumber > 1) {
11793 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11796 DisplayTitle(title);
11800 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11801 gameMode = PlayFromGameFile;
11805 currentMove = forwardMostMove = backwardMostMove = 0;
11806 CopyBoard(boards[0], initialPosition);
11810 * Skip the first gn-1 games in the file.
11811 * Also skip over anything that precedes an identifiable
11812 * start of game marker, to avoid being confused by
11813 * garbage at the start of the file. Currently
11814 * recognized start of game markers are the move number "1",
11815 * the pattern "gnuchess .* game", the pattern
11816 * "^[#;%] [^ ]* game file", and a PGN tag block.
11817 * A game that starts with one of the latter two patterns
11818 * will also have a move number 1, possibly
11819 * following a position diagram.
11820 * 5-4-02: Let's try being more lenient and allowing a game to
11821 * start with an unnumbered move. Does that break anything?
11823 cm = lastLoadGameStart = EndOfFile;
11825 yyboardindex = forwardMostMove;
11826 cm = (ChessMove) Myylex();
11829 if (cmailMsgLoaded) {
11830 nCmailGames = CMAIL_MAX_GAMES - gn;
11833 DisplayError(_("Game not found in file"), 0);
11840 lastLoadGameStart = cm;
11843 case MoveNumberOne:
11844 switch (lastLoadGameStart) {
11849 case MoveNumberOne:
11851 gn--; /* count this game */
11852 lastLoadGameStart = cm;
11861 switch (lastLoadGameStart) {
11864 case MoveNumberOne:
11866 gn--; /* count this game */
11867 lastLoadGameStart = cm;
11870 lastLoadGameStart = cm; /* game counted already */
11878 yyboardindex = forwardMostMove;
11879 cm = (ChessMove) Myylex();
11880 } while (cm == PGNTag || cm == Comment);
11887 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11888 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11889 != CMAIL_OLD_RESULT) {
11891 cmailResult[ CMAIL_MAX_GAMES
11892 - gn - 1] = CMAIL_OLD_RESULT;
11898 /* Only a NormalMove can be at the start of a game
11899 * without a position diagram. */
11900 if (lastLoadGameStart == EndOfFile ) {
11902 lastLoadGameStart = MoveNumberOne;
11911 if (appData.debugMode)
11912 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11914 if (cm == XBoardGame) {
11915 /* Skip any header junk before position diagram and/or move 1 */
11917 yyboardindex = forwardMostMove;
11918 cm = (ChessMove) Myylex();
11920 if (cm == EndOfFile ||
11921 cm == GNUChessGame || cm == XBoardGame) {
11922 /* Empty game; pretend end-of-file and handle later */
11927 if (cm == MoveNumberOne || cm == PositionDiagram ||
11928 cm == PGNTag || cm == Comment)
11931 } else if (cm == GNUChessGame) {
11932 if (gameInfo.event != NULL) {
11933 free(gameInfo.event);
11935 gameInfo.event = StrSave(yy_text);
11938 startedFromSetupPosition = FALSE;
11939 while (cm == PGNTag) {
11940 if (appData.debugMode)
11941 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11942 err = ParsePGNTag(yy_text, &gameInfo);
11943 if (!err) numPGNTags++;
11945 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11946 if(gameInfo.variant != oldVariant) {
11947 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11948 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11949 InitPosition(TRUE);
11950 oldVariant = gameInfo.variant;
11951 if (appData.debugMode)
11952 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11956 if (gameInfo.fen != NULL) {
11957 Board initial_position;
11958 startedFromSetupPosition = TRUE;
11959 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11961 DisplayError(_("Bad FEN position in file"), 0);
11964 CopyBoard(boards[0], initial_position);
11965 if (blackPlaysFirst) {
11966 currentMove = forwardMostMove = backwardMostMove = 1;
11967 CopyBoard(boards[1], initial_position);
11968 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11969 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11970 timeRemaining[0][1] = whiteTimeRemaining;
11971 timeRemaining[1][1] = blackTimeRemaining;
11972 if (commentList[0] != NULL) {
11973 commentList[1] = commentList[0];
11974 commentList[0] = NULL;
11977 currentMove = forwardMostMove = backwardMostMove = 0;
11979 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11981 initialRulePlies = FENrulePlies;
11982 for( i=0; i< nrCastlingRights; i++ )
11983 initialRights[i] = initial_position[CASTLING][i];
11985 yyboardindex = forwardMostMove;
11986 free(gameInfo.fen);
11987 gameInfo.fen = NULL;
11990 yyboardindex = forwardMostMove;
11991 cm = (ChessMove) Myylex();
11993 /* Handle comments interspersed among the tags */
11994 while (cm == Comment) {
11996 if (appData.debugMode)
11997 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11999 AppendComment(currentMove, p, FALSE);
12000 yyboardindex = forwardMostMove;
12001 cm = (ChessMove) Myylex();
12005 /* don't rely on existence of Event tag since if game was
12006 * pasted from clipboard the Event tag may not exist
12008 if (numPGNTags > 0){
12010 if (gameInfo.variant == VariantNormal) {
12011 VariantClass v = StringToVariant(gameInfo.event);
12012 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12013 if(v < VariantShogi) gameInfo.variant = v;
12016 if( appData.autoDisplayTags ) {
12017 tags = PGNTags(&gameInfo);
12018 TagsPopUp(tags, CmailMsg());
12023 /* Make something up, but don't display it now */
12028 if (cm == PositionDiagram) {
12031 Board initial_position;
12033 if (appData.debugMode)
12034 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12036 if (!startedFromSetupPosition) {
12038 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12039 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12050 initial_position[i][j++] = CharToPiece(*p);
12053 while (*p == ' ' || *p == '\t' ||
12054 *p == '\n' || *p == '\r') p++;
12056 if (strncmp(p, "black", strlen("black"))==0)
12057 blackPlaysFirst = TRUE;
12059 blackPlaysFirst = FALSE;
12060 startedFromSetupPosition = TRUE;
12062 CopyBoard(boards[0], initial_position);
12063 if (blackPlaysFirst) {
12064 currentMove = forwardMostMove = backwardMostMove = 1;
12065 CopyBoard(boards[1], initial_position);
12066 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12067 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12068 timeRemaining[0][1] = whiteTimeRemaining;
12069 timeRemaining[1][1] = blackTimeRemaining;
12070 if (commentList[0] != NULL) {
12071 commentList[1] = commentList[0];
12072 commentList[0] = NULL;
12075 currentMove = forwardMostMove = backwardMostMove = 0;
12078 yyboardindex = forwardMostMove;
12079 cm = (ChessMove) Myylex();
12082 if (first.pr == NoProc) {
12083 StartChessProgram(&first);
12085 InitChessProgram(&first, FALSE);
12086 SendToProgram("force\n", &first);
12087 if (startedFromSetupPosition) {
12088 SendBoard(&first, forwardMostMove);
12089 if (appData.debugMode) {
12090 fprintf(debugFP, "Load Game\n");
12092 DisplayBothClocks();
12095 /* [HGM] server: flag to write setup moves in broadcast file as one */
12096 loadFlag = appData.suppressLoadMoves;
12098 while (cm == Comment) {
12100 if (appData.debugMode)
12101 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12103 AppendComment(currentMove, p, FALSE);
12104 yyboardindex = forwardMostMove;
12105 cm = (ChessMove) Myylex();
12108 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12109 cm == WhiteWins || cm == BlackWins ||
12110 cm == GameIsDrawn || cm == GameUnfinished) {
12111 DisplayMessage("", _("No moves in game"));
12112 if (cmailMsgLoaded) {
12113 if (appData.debugMode)
12114 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12118 DrawPosition(FALSE, boards[currentMove]);
12119 DisplayBothClocks();
12120 gameMode = EditGame;
12127 // [HGM] PV info: routine tests if comment empty
12128 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12129 DisplayComment(currentMove - 1, commentList[currentMove]);
12131 if (!matchMode && appData.timeDelay != 0)
12132 DrawPosition(FALSE, boards[currentMove]);
12134 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12135 programStats.ok_to_send = 1;
12138 /* if the first token after the PGN tags is a move
12139 * and not move number 1, retrieve it from the parser
12141 if (cm != MoveNumberOne)
12142 LoadGameOneMove(cm);
12144 /* load the remaining moves from the file */
12145 while (LoadGameOneMove(EndOfFile)) {
12146 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12147 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12150 /* rewind to the start of the game */
12151 currentMove = backwardMostMove;
12153 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12155 if (oldGameMode == AnalyzeFile ||
12156 oldGameMode == AnalyzeMode) {
12157 AnalyzeFileEvent();
12160 if (!matchMode && pos > 0) {
12161 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12163 if (matchMode || appData.timeDelay == 0) {
12165 } else if (appData.timeDelay > 0) {
12166 AutoPlayGameLoop();
12169 if (appData.debugMode)
12170 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12172 loadFlag = 0; /* [HGM] true game starts */
12176 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12178 ReloadPosition (int offset)
12180 int positionNumber = lastLoadPositionNumber + offset;
12181 if (lastLoadPositionFP == NULL) {
12182 DisplayError(_("No position has been loaded yet"), 0);
12185 if (positionNumber <= 0) {
12186 DisplayError(_("Can't back up any further"), 0);
12189 return LoadPosition(lastLoadPositionFP, positionNumber,
12190 lastLoadPositionTitle);
12193 /* Load the nth position from the given file */
12195 LoadPositionFromFile (char *filename, int n, char *title)
12200 if (strcmp(filename, "-") == 0) {
12201 return LoadPosition(stdin, n, "stdin");
12203 f = fopen(filename, "rb");
12205 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12206 DisplayError(buf, errno);
12209 return LoadPosition(f, n, title);
12214 /* Load the nth position from the given open file, and close it */
12216 LoadPosition (FILE *f, int positionNumber, char *title)
12218 char *p, line[MSG_SIZ];
12219 Board initial_position;
12220 int i, j, fenMode, pn;
12222 if (gameMode == Training )
12223 SetTrainingModeOff();
12225 if (gameMode != BeginningOfGame) {
12226 Reset(FALSE, TRUE);
12228 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12229 fclose(lastLoadPositionFP);
12231 if (positionNumber == 0) positionNumber = 1;
12232 lastLoadPositionFP = f;
12233 lastLoadPositionNumber = positionNumber;
12234 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12235 if (first.pr == NoProc && !appData.noChessProgram) {
12236 StartChessProgram(&first);
12237 InitChessProgram(&first, FALSE);
12239 pn = positionNumber;
12240 if (positionNumber < 0) {
12241 /* Negative position number means to seek to that byte offset */
12242 if (fseek(f, -positionNumber, 0) == -1) {
12243 DisplayError(_("Can't seek on position file"), 0);
12248 if (fseek(f, 0, 0) == -1) {
12249 if (f == lastLoadPositionFP ?
12250 positionNumber == lastLoadPositionNumber + 1 :
12251 positionNumber == 1) {
12254 DisplayError(_("Can't seek on position file"), 0);
12259 /* See if this file is FEN or old-style xboard */
12260 if (fgets(line, MSG_SIZ, f) == NULL) {
12261 DisplayError(_("Position not found in file"), 0);
12264 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12265 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12268 if (fenMode || line[0] == '#') pn--;
12270 /* skip positions before number pn */
12271 if (fgets(line, MSG_SIZ, f) == NULL) {
12273 DisplayError(_("Position not found in file"), 0);
12276 if (fenMode || line[0] == '#') pn--;
12281 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12282 DisplayError(_("Bad FEN position in file"), 0);
12286 (void) fgets(line, MSG_SIZ, f);
12287 (void) fgets(line, MSG_SIZ, f);
12289 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12290 (void) fgets(line, MSG_SIZ, f);
12291 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12294 initial_position[i][j++] = CharToPiece(*p);
12298 blackPlaysFirst = FALSE;
12300 (void) fgets(line, MSG_SIZ, f);
12301 if (strncmp(line, "black", strlen("black"))==0)
12302 blackPlaysFirst = TRUE;
12305 startedFromSetupPosition = TRUE;
12307 CopyBoard(boards[0], initial_position);
12308 if (blackPlaysFirst) {
12309 currentMove = forwardMostMove = backwardMostMove = 1;
12310 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12311 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12312 CopyBoard(boards[1], initial_position);
12313 DisplayMessage("", _("Black to play"));
12315 currentMove = forwardMostMove = backwardMostMove = 0;
12316 DisplayMessage("", _("White to play"));
12318 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12319 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12320 SendToProgram("force\n", &first);
12321 SendBoard(&first, forwardMostMove);
12323 if (appData.debugMode) {
12325 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12326 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12327 fprintf(debugFP, "Load Position\n");
12330 if (positionNumber > 1) {
12331 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12332 DisplayTitle(line);
12334 DisplayTitle(title);
12336 gameMode = EditGame;
12339 timeRemaining[0][1] = whiteTimeRemaining;
12340 timeRemaining[1][1] = blackTimeRemaining;
12341 DrawPosition(FALSE, boards[currentMove]);
12348 CopyPlayerNameIntoFileName (char **dest, char *src)
12350 while (*src != NULLCHAR && *src != ',') {
12355 *(*dest)++ = *src++;
12361 DefaultFileName (char *ext)
12363 static char def[MSG_SIZ];
12366 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12368 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12370 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12372 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12379 /* Save the current game to the given file */
12381 SaveGameToFile (char *filename, int append)
12385 int result, i, t,tot=0;
12387 if (strcmp(filename, "-") == 0) {
12388 return SaveGame(stdout, 0, NULL);
12390 for(i=0; i<10; i++) { // upto 10 tries
12391 f = fopen(filename, append ? "a" : "w");
12392 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12393 if(f || errno != 13) break;
12394 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12398 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12399 DisplayError(buf, errno);
12402 safeStrCpy(buf, lastMsg, MSG_SIZ);
12403 DisplayMessage(_("Waiting for access to save file"), "");
12404 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12405 DisplayMessage(_("Saving game"), "");
12406 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12407 result = SaveGame(f, 0, NULL);
12408 DisplayMessage(buf, "");
12415 SavePart (char *str)
12417 static char buf[MSG_SIZ];
12420 p = strchr(str, ' ');
12421 if (p == NULL) return str;
12422 strncpy(buf, str, p - str);
12423 buf[p - str] = NULLCHAR;
12427 #define PGN_MAX_LINE 75
12429 #define PGN_SIDE_WHITE 0
12430 #define PGN_SIDE_BLACK 1
12433 FindFirstMoveOutOfBook (int side)
12437 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12438 int index = backwardMostMove;
12439 int has_book_hit = 0;
12441 if( (index % 2) != side ) {
12445 while( index < forwardMostMove ) {
12446 /* Check to see if engine is in book */
12447 int depth = pvInfoList[index].depth;
12448 int score = pvInfoList[index].score;
12454 else if( score == 0 && depth == 63 ) {
12455 in_book = 1; /* Zappa */
12457 else if( score == 2 && depth == 99 ) {
12458 in_book = 1; /* Abrok */
12461 has_book_hit += in_book;
12477 GetOutOfBookInfo (char * buf)
12481 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12483 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12484 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12488 if( oob[0] >= 0 || oob[1] >= 0 ) {
12489 for( i=0; i<2; i++ ) {
12493 if( i > 0 && oob[0] >= 0 ) {
12494 strcat( buf, " " );
12497 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12498 sprintf( buf+strlen(buf), "%s%.2f",
12499 pvInfoList[idx].score >= 0 ? "+" : "",
12500 pvInfoList[idx].score / 100.0 );
12506 /* Save game in PGN style and close the file */
12508 SaveGamePGN (FILE *f)
12510 int i, offset, linelen, newblock;
12514 int movelen, numlen, blank;
12515 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12517 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12519 tm = time((time_t *) NULL);
12521 PrintPGNTags(f, &gameInfo);
12523 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12525 if (backwardMostMove > 0 || startedFromSetupPosition) {
12526 char *fen = PositionToFEN(backwardMostMove, NULL);
12527 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12528 fprintf(f, "\n{--------------\n");
12529 PrintPosition(f, backwardMostMove);
12530 fprintf(f, "--------------}\n");
12534 /* [AS] Out of book annotation */
12535 if( appData.saveOutOfBookInfo ) {
12538 GetOutOfBookInfo( buf );
12540 if( buf[0] != '\0' ) {
12541 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12548 i = backwardMostMove;
12552 while (i < forwardMostMove) {
12553 /* Print comments preceding this move */
12554 if (commentList[i] != NULL) {
12555 if (linelen > 0) fprintf(f, "\n");
12556 fprintf(f, "%s", commentList[i]);
12561 /* Format move number */
12563 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12566 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12568 numtext[0] = NULLCHAR;
12570 numlen = strlen(numtext);
12573 /* Print move number */
12574 blank = linelen > 0 && numlen > 0;
12575 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12584 fprintf(f, "%s", numtext);
12588 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12589 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12592 blank = linelen > 0 && movelen > 0;
12593 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12602 fprintf(f, "%s", move_buffer);
12603 linelen += movelen;
12605 /* [AS] Add PV info if present */
12606 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12607 /* [HGM] add time */
12608 char buf[MSG_SIZ]; int seconds;
12610 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12616 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12619 seconds = (seconds + 4)/10; // round to full seconds
12621 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12623 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12626 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12627 pvInfoList[i].score >= 0 ? "+" : "",
12628 pvInfoList[i].score / 100.0,
12629 pvInfoList[i].depth,
12632 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12634 /* Print score/depth */
12635 blank = linelen > 0 && movelen > 0;
12636 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12645 fprintf(f, "%s", move_buffer);
12646 linelen += movelen;
12652 /* Start a new line */
12653 if (linelen > 0) fprintf(f, "\n");
12655 /* Print comments after last move */
12656 if (commentList[i] != NULL) {
12657 fprintf(f, "%s\n", commentList[i]);
12661 if (gameInfo.resultDetails != NULL &&
12662 gameInfo.resultDetails[0] != NULLCHAR) {
12663 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12664 PGNResult(gameInfo.result));
12666 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12670 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12674 /* Save game in old style and close the file */
12676 SaveGameOldStyle (FILE *f)
12681 tm = time((time_t *) NULL);
12683 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12686 if (backwardMostMove > 0 || startedFromSetupPosition) {
12687 fprintf(f, "\n[--------------\n");
12688 PrintPosition(f, backwardMostMove);
12689 fprintf(f, "--------------]\n");
12694 i = backwardMostMove;
12695 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12697 while (i < forwardMostMove) {
12698 if (commentList[i] != NULL) {
12699 fprintf(f, "[%s]\n", commentList[i]);
12702 if ((i % 2) == 1) {
12703 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12706 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12708 if (commentList[i] != NULL) {
12712 if (i >= forwardMostMove) {
12716 fprintf(f, "%s\n", parseList[i]);
12721 if (commentList[i] != NULL) {
12722 fprintf(f, "[%s]\n", commentList[i]);
12725 /* This isn't really the old style, but it's close enough */
12726 if (gameInfo.resultDetails != NULL &&
12727 gameInfo.resultDetails[0] != NULLCHAR) {
12728 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12729 gameInfo.resultDetails);
12731 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12738 /* Save the current game to open file f and close the file */
12740 SaveGame (FILE *f, int dummy, char *dummy2)
12742 if (gameMode == EditPosition) EditPositionDone(TRUE);
12743 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12744 if (appData.oldSaveStyle)
12745 return SaveGameOldStyle(f);
12747 return SaveGamePGN(f);
12750 /* Save the current position to the given file */
12752 SavePositionToFile (char *filename)
12757 if (strcmp(filename, "-") == 0) {
12758 return SavePosition(stdout, 0, NULL);
12760 f = fopen(filename, "a");
12762 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12763 DisplayError(buf, errno);
12766 safeStrCpy(buf, lastMsg, MSG_SIZ);
12767 DisplayMessage(_("Waiting for access to save file"), "");
12768 flock(fileno(f), LOCK_EX); // [HGM] lock
12769 DisplayMessage(_("Saving position"), "");
12770 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12771 SavePosition(f, 0, NULL);
12772 DisplayMessage(buf, "");
12778 /* Save the current position to the given open file and close the file */
12780 SavePosition (FILE *f, int dummy, char *dummy2)
12785 if (gameMode == EditPosition) EditPositionDone(TRUE);
12786 if (appData.oldSaveStyle) {
12787 tm = time((time_t *) NULL);
12789 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12791 fprintf(f, "[--------------\n");
12792 PrintPosition(f, currentMove);
12793 fprintf(f, "--------------]\n");
12795 fen = PositionToFEN(currentMove, NULL);
12796 fprintf(f, "%s\n", fen);
12804 ReloadCmailMsgEvent (int unregister)
12807 static char *inFilename = NULL;
12808 static char *outFilename;
12810 struct stat inbuf, outbuf;
12813 /* Any registered moves are unregistered if unregister is set, */
12814 /* i.e. invoked by the signal handler */
12816 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12817 cmailMoveRegistered[i] = FALSE;
12818 if (cmailCommentList[i] != NULL) {
12819 free(cmailCommentList[i]);
12820 cmailCommentList[i] = NULL;
12823 nCmailMovesRegistered = 0;
12826 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12827 cmailResult[i] = CMAIL_NOT_RESULT;
12831 if (inFilename == NULL) {
12832 /* Because the filenames are static they only get malloced once */
12833 /* and they never get freed */
12834 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12835 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12837 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12838 sprintf(outFilename, "%s.out", appData.cmailGameName);
12841 status = stat(outFilename, &outbuf);
12843 cmailMailedMove = FALSE;
12845 status = stat(inFilename, &inbuf);
12846 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12849 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12850 counts the games, notes how each one terminated, etc.
12852 It would be nice to remove this kludge and instead gather all
12853 the information while building the game list. (And to keep it
12854 in the game list nodes instead of having a bunch of fixed-size
12855 parallel arrays.) Note this will require getting each game's
12856 termination from the PGN tags, as the game list builder does
12857 not process the game moves. --mann
12859 cmailMsgLoaded = TRUE;
12860 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12862 /* Load first game in the file or popup game menu */
12863 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12865 #endif /* !WIN32 */
12873 char string[MSG_SIZ];
12875 if ( cmailMailedMove
12876 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12877 return TRUE; /* Allow free viewing */
12880 /* Unregister move to ensure that we don't leave RegisterMove */
12881 /* with the move registered when the conditions for registering no */
12883 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12884 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12885 nCmailMovesRegistered --;
12887 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12889 free(cmailCommentList[lastLoadGameNumber - 1]);
12890 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12894 if (cmailOldMove == -1) {
12895 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12899 if (currentMove > cmailOldMove + 1) {
12900 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12904 if (currentMove < cmailOldMove) {
12905 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12909 if (forwardMostMove > currentMove) {
12910 /* Silently truncate extra moves */
12914 if ( (currentMove == cmailOldMove + 1)
12915 || ( (currentMove == cmailOldMove)
12916 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12917 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12918 if (gameInfo.result != GameUnfinished) {
12919 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12922 if (commentList[currentMove] != NULL) {
12923 cmailCommentList[lastLoadGameNumber - 1]
12924 = StrSave(commentList[currentMove]);
12926 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12928 if (appData.debugMode)
12929 fprintf(debugFP, "Saving %s for game %d\n",
12930 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12932 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12934 f = fopen(string, "w");
12935 if (appData.oldSaveStyle) {
12936 SaveGameOldStyle(f); /* also closes the file */
12938 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12939 f = fopen(string, "w");
12940 SavePosition(f, 0, NULL); /* also closes the file */
12942 fprintf(f, "{--------------\n");
12943 PrintPosition(f, currentMove);
12944 fprintf(f, "--------------}\n\n");
12946 SaveGame(f, 0, NULL); /* also closes the file*/
12949 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12950 nCmailMovesRegistered ++;
12951 } else if (nCmailGames == 1) {
12952 DisplayError(_("You have not made a move yet"), 0);
12963 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12964 FILE *commandOutput;
12965 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12966 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12972 if (! cmailMsgLoaded) {
12973 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12977 if (nCmailGames == nCmailResults) {
12978 DisplayError(_("No unfinished games"), 0);
12982 #if CMAIL_PROHIBIT_REMAIL
12983 if (cmailMailedMove) {
12984 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);
12985 DisplayError(msg, 0);
12990 if (! (cmailMailedMove || RegisterMove())) return;
12992 if ( cmailMailedMove
12993 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12994 snprintf(string, MSG_SIZ, partCommandString,
12995 appData.debugMode ? " -v" : "", appData.cmailGameName);
12996 commandOutput = popen(string, "r");
12998 if (commandOutput == NULL) {
12999 DisplayError(_("Failed to invoke cmail"), 0);
13001 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13002 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13004 if (nBuffers > 1) {
13005 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13006 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13007 nBytes = MSG_SIZ - 1;
13009 (void) memcpy(msg, buffer, nBytes);
13011 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13013 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13014 cmailMailedMove = TRUE; /* Prevent >1 moves */
13017 for (i = 0; i < nCmailGames; i ++) {
13018 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13023 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13025 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13027 appData.cmailGameName,
13029 LoadGameFromFile(buffer, 1, buffer, FALSE);
13030 cmailMsgLoaded = FALSE;
13034 DisplayInformation(msg);
13035 pclose(commandOutput);
13038 if ((*cmailMsg) != '\0') {
13039 DisplayInformation(cmailMsg);
13044 #endif /* !WIN32 */
13053 int prependComma = 0;
13055 char string[MSG_SIZ]; /* Space for game-list */
13058 if (!cmailMsgLoaded) return "";
13060 if (cmailMailedMove) {
13061 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13063 /* Create a list of games left */
13064 snprintf(string, MSG_SIZ, "[");
13065 for (i = 0; i < nCmailGames; i ++) {
13066 if (! ( cmailMoveRegistered[i]
13067 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13068 if (prependComma) {
13069 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13071 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13075 strcat(string, number);
13078 strcat(string, "]");
13080 if (nCmailMovesRegistered + nCmailResults == 0) {
13081 switch (nCmailGames) {
13083 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13087 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13091 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13096 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13098 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13103 if (nCmailResults == nCmailGames) {
13104 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13106 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13111 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13123 if (gameMode == Training)
13124 SetTrainingModeOff();
13127 cmailMsgLoaded = FALSE;
13128 if (appData.icsActive) {
13129 SendToICS(ics_prefix);
13130 SendToICS("refresh\n");
13135 ExitEvent (int status)
13139 /* Give up on clean exit */
13143 /* Keep trying for clean exit */
13147 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13149 if (telnetISR != NULL) {
13150 RemoveInputSource(telnetISR);
13152 if (icsPR != NoProc) {
13153 DestroyChildProcess(icsPR, TRUE);
13156 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13157 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13159 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13160 /* make sure this other one finishes before killing it! */
13161 if(endingGame) { int count = 0;
13162 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13163 while(endingGame && count++ < 10) DoSleep(1);
13164 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13167 /* Kill off chess programs */
13168 if (first.pr != NoProc) {
13171 DoSleep( appData.delayBeforeQuit );
13172 SendToProgram("quit\n", &first);
13173 DoSleep( appData.delayAfterQuit );
13174 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13176 if (second.pr != NoProc) {
13177 DoSleep( appData.delayBeforeQuit );
13178 SendToProgram("quit\n", &second);
13179 DoSleep( appData.delayAfterQuit );
13180 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13182 if (first.isr != NULL) {
13183 RemoveInputSource(first.isr);
13185 if (second.isr != NULL) {
13186 RemoveInputSource(second.isr);
13189 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13190 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13192 ShutDownFrontEnd();
13199 if (appData.debugMode)
13200 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13204 if (gameMode == MachinePlaysWhite ||
13205 gameMode == MachinePlaysBlack) {
13208 DisplayBothClocks();
13210 if (gameMode == PlayFromGameFile) {
13211 if (appData.timeDelay >= 0)
13212 AutoPlayGameLoop();
13213 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13214 Reset(FALSE, TRUE);
13215 SendToICS(ics_prefix);
13216 SendToICS("refresh\n");
13217 } else if (currentMove < forwardMostMove) {
13218 ForwardInner(forwardMostMove);
13220 pauseExamInvalid = FALSE;
13222 switch (gameMode) {
13226 pauseExamForwardMostMove = forwardMostMove;
13227 pauseExamInvalid = FALSE;
13230 case IcsPlayingWhite:
13231 case IcsPlayingBlack:
13235 case PlayFromGameFile:
13236 (void) StopLoadGameTimer();
13240 case BeginningOfGame:
13241 if (appData.icsActive) return;
13242 /* else fall through */
13243 case MachinePlaysWhite:
13244 case MachinePlaysBlack:
13245 case TwoMachinesPlay:
13246 if (forwardMostMove == 0)
13247 return; /* don't pause if no one has moved */
13248 if ((gameMode == MachinePlaysWhite &&
13249 !WhiteOnMove(forwardMostMove)) ||
13250 (gameMode == MachinePlaysBlack &&
13251 WhiteOnMove(forwardMostMove))) {
13262 EditCommentEvent ()
13264 char title[MSG_SIZ];
13266 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13267 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13269 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13270 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13271 parseList[currentMove - 1]);
13274 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13281 char *tags = PGNTags(&gameInfo);
13283 EditTagsPopUp(tags, NULL);
13288 AnalyzeModeEvent ()
13290 if (appData.noChessProgram || gameMode == AnalyzeMode)
13293 if (gameMode != AnalyzeFile) {
13294 if (!appData.icsEngineAnalyze) {
13296 if (gameMode != EditGame) return;
13298 ResurrectChessProgram();
13299 SendToProgram("analyze\n", &first);
13300 first.analyzing = TRUE;
13301 /*first.maybeThinking = TRUE;*/
13302 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13303 EngineOutputPopUp();
13305 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13310 StartAnalysisClock();
13311 GetTimeMark(&lastNodeCountTime);
13316 AnalyzeFileEvent ()
13318 if (appData.noChessProgram || gameMode == AnalyzeFile)
13321 if (gameMode != AnalyzeMode) {
13323 if (gameMode != EditGame) return;
13324 ResurrectChessProgram();
13325 SendToProgram("analyze\n", &first);
13326 first.analyzing = TRUE;
13327 /*first.maybeThinking = TRUE;*/
13328 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13329 EngineOutputPopUp();
13331 gameMode = AnalyzeFile;
13336 StartAnalysisClock();
13337 GetTimeMark(&lastNodeCountTime);
13339 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13343 MachineWhiteEvent ()
13346 char *bookHit = NULL;
13348 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13352 if (gameMode == PlayFromGameFile ||
13353 gameMode == TwoMachinesPlay ||
13354 gameMode == Training ||
13355 gameMode == AnalyzeMode ||
13356 gameMode == EndOfGame)
13359 if (gameMode == EditPosition)
13360 EditPositionDone(TRUE);
13362 if (!WhiteOnMove(currentMove)) {
13363 DisplayError(_("It is not White's turn"), 0);
13367 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13370 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13371 gameMode == AnalyzeFile)
13374 ResurrectChessProgram(); /* in case it isn't running */
13375 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13376 gameMode = MachinePlaysWhite;
13379 gameMode = MachinePlaysWhite;
13383 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13385 if (first.sendName) {
13386 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13387 SendToProgram(buf, &first);
13389 if (first.sendTime) {
13390 if (first.useColors) {
13391 SendToProgram("black\n", &first); /*gnu kludge*/
13393 SendTimeRemaining(&first, TRUE);
13395 if (first.useColors) {
13396 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13398 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13399 SetMachineThinkingEnables();
13400 first.maybeThinking = TRUE;
13404 if (appData.autoFlipView && !flipView) {
13405 flipView = !flipView;
13406 DrawPosition(FALSE, NULL);
13407 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13410 if(bookHit) { // [HGM] book: simulate book reply
13411 static char bookMove[MSG_SIZ]; // a bit generous?
13413 programStats.nodes = programStats.depth = programStats.time =
13414 programStats.score = programStats.got_only_move = 0;
13415 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13417 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13418 strcat(bookMove, bookHit);
13419 HandleMachineMove(bookMove, &first);
13424 MachineBlackEvent ()
13427 char *bookHit = NULL;
13429 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13433 if (gameMode == PlayFromGameFile ||
13434 gameMode == TwoMachinesPlay ||
13435 gameMode == Training ||
13436 gameMode == AnalyzeMode ||
13437 gameMode == EndOfGame)
13440 if (gameMode == EditPosition)
13441 EditPositionDone(TRUE);
13443 if (WhiteOnMove(currentMove)) {
13444 DisplayError(_("It is not Black's turn"), 0);
13448 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13451 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13452 gameMode == AnalyzeFile)
13455 ResurrectChessProgram(); /* in case it isn't running */
13456 gameMode = MachinePlaysBlack;
13460 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13462 if (first.sendName) {
13463 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13464 SendToProgram(buf, &first);
13466 if (first.sendTime) {
13467 if (first.useColors) {
13468 SendToProgram("white\n", &first); /*gnu kludge*/
13470 SendTimeRemaining(&first, FALSE);
13472 if (first.useColors) {
13473 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13475 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13476 SetMachineThinkingEnables();
13477 first.maybeThinking = TRUE;
13480 if (appData.autoFlipView && flipView) {
13481 flipView = !flipView;
13482 DrawPosition(FALSE, NULL);
13483 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13485 if(bookHit) { // [HGM] book: simulate book reply
13486 static char bookMove[MSG_SIZ]; // a bit generous?
13488 programStats.nodes = programStats.depth = programStats.time =
13489 programStats.score = programStats.got_only_move = 0;
13490 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13492 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13493 strcat(bookMove, bookHit);
13494 HandleMachineMove(bookMove, &first);
13500 DisplayTwoMachinesTitle ()
13503 if (appData.matchGames > 0) {
13504 if(appData.tourneyFile[0]) {
13505 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13506 gameInfo.white, _("vs."), gameInfo.black,
13507 nextGame+1, appData.matchGames+1,
13508 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13510 if (first.twoMachinesColor[0] == 'w') {
13511 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13512 gameInfo.white, _("vs."), gameInfo.black,
13513 first.matchWins, second.matchWins,
13514 matchGame - 1 - (first.matchWins + second.matchWins));
13516 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13517 gameInfo.white, _("vs."), gameInfo.black,
13518 second.matchWins, first.matchWins,
13519 matchGame - 1 - (first.matchWins + second.matchWins));
13522 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13528 SettingsMenuIfReady ()
13530 if (second.lastPing != second.lastPong) {
13531 DisplayMessage("", _("Waiting for second chess program"));
13532 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13536 DisplayMessage("", "");
13537 SettingsPopUp(&second);
13541 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13544 if (cps->pr == NoProc) {
13545 StartChessProgram(cps);
13546 if (cps->protocolVersion == 1) {
13549 /* kludge: allow timeout for initial "feature" command */
13551 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13552 DisplayMessage("", buf);
13553 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13561 TwoMachinesEvent P((void))
13565 ChessProgramState *onmove;
13566 char *bookHit = NULL;
13567 static int stalling = 0;
13571 if (appData.noChessProgram) return;
13573 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13574 DisplayError("second engine does not play this", 0);
13578 switch (gameMode) {
13579 case TwoMachinesPlay:
13581 case MachinePlaysWhite:
13582 case MachinePlaysBlack:
13583 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13584 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13588 case BeginningOfGame:
13589 case PlayFromGameFile:
13592 if (gameMode != EditGame) return;
13595 EditPositionDone(TRUE);
13606 // forwardMostMove = currentMove;
13607 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13609 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13611 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13612 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13613 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13617 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13618 SendToProgram("force\n", &second);
13620 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13623 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13624 if(appData.matchPause>10000 || appData.matchPause<10)
13625 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13626 wait = SubtractTimeMarks(&now, &pauseStart);
13627 if(wait < appData.matchPause) {
13628 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13631 // we are now committed to starting the game
13633 DisplayMessage("", "");
13634 if (startedFromSetupPosition) {
13635 SendBoard(&second, backwardMostMove);
13636 if (appData.debugMode) {
13637 fprintf(debugFP, "Two Machines\n");
13640 for (i = backwardMostMove; i < forwardMostMove; i++) {
13641 SendMoveToProgram(i, &second);
13644 gameMode = TwoMachinesPlay;
13646 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13648 DisplayTwoMachinesTitle();
13650 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13655 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13656 SendToProgram(first.computerString, &first);
13657 if (first.sendName) {
13658 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13659 SendToProgram(buf, &first);
13661 SendToProgram(second.computerString, &second);
13662 if (second.sendName) {
13663 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13664 SendToProgram(buf, &second);
13668 if (!first.sendTime || !second.sendTime) {
13669 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13670 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13672 if (onmove->sendTime) {
13673 if (onmove->useColors) {
13674 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13676 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13678 if (onmove->useColors) {
13679 SendToProgram(onmove->twoMachinesColor, onmove);
13681 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13682 // SendToProgram("go\n", onmove);
13683 onmove->maybeThinking = TRUE;
13684 SetMachineThinkingEnables();
13688 if(bookHit) { // [HGM] book: simulate book reply
13689 static char bookMove[MSG_SIZ]; // a bit generous?
13691 programStats.nodes = programStats.depth = programStats.time =
13692 programStats.score = programStats.got_only_move = 0;
13693 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13695 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13696 strcat(bookMove, bookHit);
13697 savedMessage = bookMove; // args for deferred call
13698 savedState = onmove;
13699 ScheduleDelayedEvent(DeferredBookMove, 1);
13706 if (gameMode == Training) {
13707 SetTrainingModeOff();
13708 gameMode = PlayFromGameFile;
13709 DisplayMessage("", _("Training mode off"));
13711 gameMode = Training;
13712 animateTraining = appData.animate;
13714 /* make sure we are not already at the end of the game */
13715 if (currentMove < forwardMostMove) {
13716 SetTrainingModeOn();
13717 DisplayMessage("", _("Training mode on"));
13719 gameMode = PlayFromGameFile;
13720 DisplayError(_("Already at end of game"), 0);
13729 if (!appData.icsActive) return;
13730 switch (gameMode) {
13731 case IcsPlayingWhite:
13732 case IcsPlayingBlack:
13735 case BeginningOfGame:
13743 EditPositionDone(TRUE);
13756 gameMode = IcsIdle;
13766 switch (gameMode) {
13768 SetTrainingModeOff();
13770 case MachinePlaysWhite:
13771 case MachinePlaysBlack:
13772 case BeginningOfGame:
13773 SendToProgram("force\n", &first);
13774 SetUserThinkingEnables();
13776 case PlayFromGameFile:
13777 (void) StopLoadGameTimer();
13778 if (gameFileFP != NULL) {
13783 EditPositionDone(TRUE);
13788 SendToProgram("force\n", &first);
13790 case TwoMachinesPlay:
13791 GameEnds(EndOfFile, NULL, GE_PLAYER);
13792 ResurrectChessProgram();
13793 SetUserThinkingEnables();
13796 ResurrectChessProgram();
13798 case IcsPlayingBlack:
13799 case IcsPlayingWhite:
13800 DisplayError(_("Warning: You are still playing a game"), 0);
13803 DisplayError(_("Warning: You are still observing a game"), 0);
13806 DisplayError(_("Warning: You are still examining a game"), 0);
13817 first.offeredDraw = second.offeredDraw = 0;
13819 if (gameMode == PlayFromGameFile) {
13820 whiteTimeRemaining = timeRemaining[0][currentMove];
13821 blackTimeRemaining = timeRemaining[1][currentMove];
13825 if (gameMode == MachinePlaysWhite ||
13826 gameMode == MachinePlaysBlack ||
13827 gameMode == TwoMachinesPlay ||
13828 gameMode == EndOfGame) {
13829 i = forwardMostMove;
13830 while (i > currentMove) {
13831 SendToProgram("undo\n", &first);
13834 if(!adjustedClock) {
13835 whiteTimeRemaining = timeRemaining[0][currentMove];
13836 blackTimeRemaining = timeRemaining[1][currentMove];
13837 DisplayBothClocks();
13839 if (whiteFlag || blackFlag) {
13840 whiteFlag = blackFlag = 0;
13845 gameMode = EditGame;
13852 EditPositionEvent ()
13854 if (gameMode == EditPosition) {
13860 if (gameMode != EditGame) return;
13862 gameMode = EditPosition;
13865 if (currentMove > 0)
13866 CopyBoard(boards[0], boards[currentMove]);
13868 blackPlaysFirst = !WhiteOnMove(currentMove);
13870 currentMove = forwardMostMove = backwardMostMove = 0;
13871 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13873 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13879 /* [DM] icsEngineAnalyze - possible call from other functions */
13880 if (appData.icsEngineAnalyze) {
13881 appData.icsEngineAnalyze = FALSE;
13883 DisplayMessage("",_("Close ICS engine analyze..."));
13885 if (first.analysisSupport && first.analyzing) {
13886 SendToProgram("exit\n", &first);
13887 first.analyzing = FALSE;
13889 thinkOutput[0] = NULLCHAR;
13893 EditPositionDone (Boolean fakeRights)
13895 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13897 startedFromSetupPosition = TRUE;
13898 InitChessProgram(&first, FALSE);
13899 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13900 boards[0][EP_STATUS] = EP_NONE;
13901 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13902 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13903 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13904 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13905 } else boards[0][CASTLING][2] = NoRights;
13906 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13907 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13908 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13909 } else boards[0][CASTLING][5] = NoRights;
13911 SendToProgram("force\n", &first);
13912 if (blackPlaysFirst) {
13913 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13914 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13915 currentMove = forwardMostMove = backwardMostMove = 1;
13916 CopyBoard(boards[1], boards[0]);
13918 currentMove = forwardMostMove = backwardMostMove = 0;
13920 SendBoard(&first, forwardMostMove);
13921 if (appData.debugMode) {
13922 fprintf(debugFP, "EditPosDone\n");
13925 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13926 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13927 gameMode = EditGame;
13929 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13930 ClearHighlights(); /* [AS] */
13933 /* Pause for `ms' milliseconds */
13934 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13936 TimeDelay (long ms)
13943 } while (SubtractTimeMarks(&m2, &m1) < ms);
13946 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13948 SendMultiLineToICS (char *buf)
13950 char temp[MSG_SIZ+1], *p;
13957 strncpy(temp, buf, len);
13962 if (*p == '\n' || *p == '\r')
13967 strcat(temp, "\n");
13969 SendToPlayer(temp, strlen(temp));
13973 SetWhiteToPlayEvent ()
13975 if (gameMode == EditPosition) {
13976 blackPlaysFirst = FALSE;
13977 DisplayBothClocks(); /* works because currentMove is 0 */
13978 } else if (gameMode == IcsExamining) {
13979 SendToICS(ics_prefix);
13980 SendToICS("tomove white\n");
13985 SetBlackToPlayEvent ()
13987 if (gameMode == EditPosition) {
13988 blackPlaysFirst = TRUE;
13989 currentMove = 1; /* kludge */
13990 DisplayBothClocks();
13992 } else if (gameMode == IcsExamining) {
13993 SendToICS(ics_prefix);
13994 SendToICS("tomove black\n");
13999 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14002 ChessSquare piece = boards[0][y][x];
14004 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14006 switch (selection) {
14008 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14009 SendToICS(ics_prefix);
14010 SendToICS("bsetup clear\n");
14011 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14012 SendToICS(ics_prefix);
14013 SendToICS("clearboard\n");
14015 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14016 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14017 for (y = 0; y < BOARD_HEIGHT; y++) {
14018 if (gameMode == IcsExamining) {
14019 if (boards[currentMove][y][x] != EmptySquare) {
14020 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14025 boards[0][y][x] = p;
14030 if (gameMode == EditPosition) {
14031 DrawPosition(FALSE, boards[0]);
14036 SetWhiteToPlayEvent();
14040 SetBlackToPlayEvent();
14044 if (gameMode == IcsExamining) {
14045 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14046 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14049 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14050 if(x == BOARD_LEFT-2) {
14051 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14052 boards[0][y][1] = 0;
14054 if(x == BOARD_RGHT+1) {
14055 if(y >= gameInfo.holdingsSize) break;
14056 boards[0][y][BOARD_WIDTH-2] = 0;
14059 boards[0][y][x] = EmptySquare;
14060 DrawPosition(FALSE, boards[0]);
14065 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14066 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14067 selection = (ChessSquare) (PROMOTED piece);
14068 } else if(piece == EmptySquare) selection = WhiteSilver;
14069 else selection = (ChessSquare)((int)piece - 1);
14073 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14074 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14075 selection = (ChessSquare) (DEMOTED piece);
14076 } else if(piece == EmptySquare) selection = BlackSilver;
14077 else selection = (ChessSquare)((int)piece + 1);
14082 if(gameInfo.variant == VariantShatranj ||
14083 gameInfo.variant == VariantXiangqi ||
14084 gameInfo.variant == VariantCourier ||
14085 gameInfo.variant == VariantMakruk )
14086 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14091 if(gameInfo.variant == VariantXiangqi)
14092 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14093 if(gameInfo.variant == VariantKnightmate)
14094 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14097 if (gameMode == IcsExamining) {
14098 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14099 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14100 PieceToChar(selection), AAA + x, ONE + y);
14103 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14105 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14106 n = PieceToNumber(selection - BlackPawn);
14107 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14108 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14109 boards[0][BOARD_HEIGHT-1-n][1]++;
14111 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14112 n = PieceToNumber(selection);
14113 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14114 boards[0][n][BOARD_WIDTH-1] = selection;
14115 boards[0][n][BOARD_WIDTH-2]++;
14118 boards[0][y][x] = selection;
14119 DrawPosition(TRUE, boards[0]);
14121 fromX = fromY = -1;
14129 DropMenuEvent (ChessSquare selection, int x, int y)
14131 ChessMove moveType;
14133 switch (gameMode) {
14134 case IcsPlayingWhite:
14135 case MachinePlaysBlack:
14136 if (!WhiteOnMove(currentMove)) {
14137 DisplayMoveError(_("It is Black's turn"));
14140 moveType = WhiteDrop;
14142 case IcsPlayingBlack:
14143 case MachinePlaysWhite:
14144 if (WhiteOnMove(currentMove)) {
14145 DisplayMoveError(_("It is White's turn"));
14148 moveType = BlackDrop;
14151 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14157 if (moveType == BlackDrop && selection < BlackPawn) {
14158 selection = (ChessSquare) ((int) selection
14159 + (int) BlackPawn - (int) WhitePawn);
14161 if (boards[currentMove][y][x] != EmptySquare) {
14162 DisplayMoveError(_("That square is occupied"));
14166 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14172 /* Accept a pending offer of any kind from opponent */
14174 if (appData.icsActive) {
14175 SendToICS(ics_prefix);
14176 SendToICS("accept\n");
14177 } else if (cmailMsgLoaded) {
14178 if (currentMove == cmailOldMove &&
14179 commentList[cmailOldMove] != NULL &&
14180 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14181 "Black offers a draw" : "White offers a draw")) {
14183 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14184 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14186 DisplayError(_("There is no pending offer on this move"), 0);
14187 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14190 /* Not used for offers from chess program */
14197 /* Decline a pending offer of any kind from opponent */
14199 if (appData.icsActive) {
14200 SendToICS(ics_prefix);
14201 SendToICS("decline\n");
14202 } else if (cmailMsgLoaded) {
14203 if (currentMove == cmailOldMove &&
14204 commentList[cmailOldMove] != NULL &&
14205 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14206 "Black offers a draw" : "White offers a draw")) {
14208 AppendComment(cmailOldMove, "Draw declined", TRUE);
14209 DisplayComment(cmailOldMove - 1, "Draw declined");
14212 DisplayError(_("There is no pending offer on this move"), 0);
14215 /* Not used for offers from chess program */
14222 /* Issue ICS rematch command */
14223 if (appData.icsActive) {
14224 SendToICS(ics_prefix);
14225 SendToICS("rematch\n");
14232 /* Call your opponent's flag (claim a win on time) */
14233 if (appData.icsActive) {
14234 SendToICS(ics_prefix);
14235 SendToICS("flag\n");
14237 switch (gameMode) {
14240 case MachinePlaysWhite:
14243 GameEnds(GameIsDrawn, "Both players ran out of time",
14246 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14248 DisplayError(_("Your opponent is not out of time"), 0);
14251 case MachinePlaysBlack:
14254 GameEnds(GameIsDrawn, "Both players ran out of time",
14257 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14259 DisplayError(_("Your opponent is not out of time"), 0);
14267 ClockClick (int which)
14268 { // [HGM] code moved to back-end from winboard.c
14269 if(which) { // black clock
14270 if (gameMode == EditPosition || gameMode == IcsExamining) {
14271 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14272 SetBlackToPlayEvent();
14273 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14274 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14275 } else if (shiftKey) {
14276 AdjustClock(which, -1);
14277 } else if (gameMode == IcsPlayingWhite ||
14278 gameMode == MachinePlaysBlack) {
14281 } else { // white clock
14282 if (gameMode == EditPosition || gameMode == IcsExamining) {
14283 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14284 SetWhiteToPlayEvent();
14285 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14286 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14287 } else if (shiftKey) {
14288 AdjustClock(which, -1);
14289 } else if (gameMode == IcsPlayingBlack ||
14290 gameMode == MachinePlaysWhite) {
14299 /* Offer draw or accept pending draw offer from opponent */
14301 if (appData.icsActive) {
14302 /* Note: tournament rules require draw offers to be
14303 made after you make your move but before you punch
14304 your clock. Currently ICS doesn't let you do that;
14305 instead, you immediately punch your clock after making
14306 a move, but you can offer a draw at any time. */
14308 SendToICS(ics_prefix);
14309 SendToICS("draw\n");
14310 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14311 } else if (cmailMsgLoaded) {
14312 if (currentMove == cmailOldMove &&
14313 commentList[cmailOldMove] != NULL &&
14314 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14315 "Black offers a draw" : "White offers a draw")) {
14316 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14317 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14318 } else if (currentMove == cmailOldMove + 1) {
14319 char *offer = WhiteOnMove(cmailOldMove) ?
14320 "White offers a draw" : "Black offers a draw";
14321 AppendComment(currentMove, offer, TRUE);
14322 DisplayComment(currentMove - 1, offer);
14323 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14325 DisplayError(_("You must make your move before offering a draw"), 0);
14326 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14328 } else if (first.offeredDraw) {
14329 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14331 if (first.sendDrawOffers) {
14332 SendToProgram("draw\n", &first);
14333 userOfferedDraw = TRUE;
14341 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14343 if (appData.icsActive) {
14344 SendToICS(ics_prefix);
14345 SendToICS("adjourn\n");
14347 /* Currently GNU Chess doesn't offer or accept Adjourns */
14355 /* Offer Abort or accept pending Abort offer from opponent */
14357 if (appData.icsActive) {
14358 SendToICS(ics_prefix);
14359 SendToICS("abort\n");
14361 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14368 /* Resign. You can do this even if it's not your turn. */
14370 if (appData.icsActive) {
14371 SendToICS(ics_prefix);
14372 SendToICS("resign\n");
14374 switch (gameMode) {
14375 case MachinePlaysWhite:
14376 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14378 case MachinePlaysBlack:
14379 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14382 if (cmailMsgLoaded) {
14384 if (WhiteOnMove(cmailOldMove)) {
14385 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14387 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14400 StopObservingEvent ()
14402 /* Stop observing current games */
14403 SendToICS(ics_prefix);
14404 SendToICS("unobserve\n");
14408 StopExaminingEvent ()
14410 /* Stop observing current game */
14411 SendToICS(ics_prefix);
14412 SendToICS("unexamine\n");
14416 ForwardInner (int target)
14418 int limit; int oldSeekGraphUp = seekGraphUp;
14420 if (appData.debugMode)
14421 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14422 target, currentMove, forwardMostMove);
14424 if (gameMode == EditPosition)
14427 seekGraphUp = FALSE;
14428 MarkTargetSquares(1);
14430 if (gameMode == PlayFromGameFile && !pausing)
14433 if (gameMode == IcsExamining && pausing)
14434 limit = pauseExamForwardMostMove;
14436 limit = forwardMostMove;
14438 if (target > limit) target = limit;
14440 if (target > 0 && moveList[target - 1][0]) {
14441 int fromX, fromY, toX, toY;
14442 toX = moveList[target - 1][2] - AAA;
14443 toY = moveList[target - 1][3] - ONE;
14444 if (moveList[target - 1][1] == '@') {
14445 if (appData.highlightLastMove) {
14446 SetHighlights(-1, -1, toX, toY);
14449 fromX = moveList[target - 1][0] - AAA;
14450 fromY = moveList[target - 1][1] - ONE;
14451 if (target == currentMove + 1) {
14452 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14454 if (appData.highlightLastMove) {
14455 SetHighlights(fromX, fromY, toX, toY);
14459 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14460 gameMode == Training || gameMode == PlayFromGameFile ||
14461 gameMode == AnalyzeFile) {
14462 while (currentMove < target) {
14463 SendMoveToProgram(currentMove++, &first);
14466 currentMove = target;
14469 if (gameMode == EditGame || gameMode == EndOfGame) {
14470 whiteTimeRemaining = timeRemaining[0][currentMove];
14471 blackTimeRemaining = timeRemaining[1][currentMove];
14473 DisplayBothClocks();
14474 DisplayMove(currentMove - 1);
14475 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14476 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14477 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14478 DisplayComment(currentMove - 1, commentList[currentMove]);
14480 ClearMap(); // [HGM] exclude: invalidate map
14487 if (gameMode == IcsExamining && !pausing) {
14488 SendToICS(ics_prefix);
14489 SendToICS("forward\n");
14491 ForwardInner(currentMove + 1);
14498 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14499 /* to optimze, we temporarily turn off analysis mode while we feed
14500 * the remaining moves to the engine. Otherwise we get analysis output
14503 if (first.analysisSupport) {
14504 SendToProgram("exit\nforce\n", &first);
14505 first.analyzing = FALSE;
14509 if (gameMode == IcsExamining && !pausing) {
14510 SendToICS(ics_prefix);
14511 SendToICS("forward 999999\n");
14513 ForwardInner(forwardMostMove);
14516 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14517 /* we have fed all the moves, so reactivate analysis mode */
14518 SendToProgram("analyze\n", &first);
14519 first.analyzing = TRUE;
14520 /*first.maybeThinking = TRUE;*/
14521 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14526 BackwardInner (int target)
14528 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14530 if (appData.debugMode)
14531 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14532 target, currentMove, forwardMostMove);
14534 if (gameMode == EditPosition) return;
14535 seekGraphUp = FALSE;
14536 MarkTargetSquares(1);
14537 if (currentMove <= backwardMostMove) {
14539 DrawPosition(full_redraw, boards[currentMove]);
14542 if (gameMode == PlayFromGameFile && !pausing)
14545 if (moveList[target][0]) {
14546 int fromX, fromY, toX, toY;
14547 toX = moveList[target][2] - AAA;
14548 toY = moveList[target][3] - ONE;
14549 if (moveList[target][1] == '@') {
14550 if (appData.highlightLastMove) {
14551 SetHighlights(-1, -1, toX, toY);
14554 fromX = moveList[target][0] - AAA;
14555 fromY = moveList[target][1] - ONE;
14556 if (target == currentMove - 1) {
14557 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14559 if (appData.highlightLastMove) {
14560 SetHighlights(fromX, fromY, toX, toY);
14564 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14565 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14566 while (currentMove > target) {
14567 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14568 // null move cannot be undone. Reload program with move history before it.
14570 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14571 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14573 SendBoard(&first, i);
14574 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14577 SendToProgram("undo\n", &first);
14581 currentMove = target;
14584 if (gameMode == EditGame || gameMode == EndOfGame) {
14585 whiteTimeRemaining = timeRemaining[0][currentMove];
14586 blackTimeRemaining = timeRemaining[1][currentMove];
14588 DisplayBothClocks();
14589 DisplayMove(currentMove - 1);
14590 DrawPosition(full_redraw, boards[currentMove]);
14591 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14592 // [HGM] PV info: routine tests if comment empty
14593 DisplayComment(currentMove - 1, commentList[currentMove]);
14594 ClearMap(); // [HGM] exclude: invalidate map
14600 if (gameMode == IcsExamining && !pausing) {
14601 SendToICS(ics_prefix);
14602 SendToICS("backward\n");
14604 BackwardInner(currentMove - 1);
14611 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14612 /* to optimize, we temporarily turn off analysis mode while we undo
14613 * all the moves. Otherwise we get analysis output after each undo.
14615 if (first.analysisSupport) {
14616 SendToProgram("exit\nforce\n", &first);
14617 first.analyzing = FALSE;
14621 if (gameMode == IcsExamining && !pausing) {
14622 SendToICS(ics_prefix);
14623 SendToICS("backward 999999\n");
14625 BackwardInner(backwardMostMove);
14628 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14629 /* we have fed all the moves, so reactivate analysis mode */
14630 SendToProgram("analyze\n", &first);
14631 first.analyzing = TRUE;
14632 /*first.maybeThinking = TRUE;*/
14633 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14640 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14641 if (to >= forwardMostMove) to = forwardMostMove;
14642 if (to <= backwardMostMove) to = backwardMostMove;
14643 if (to < currentMove) {
14651 RevertEvent (Boolean annotate)
14653 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14656 if (gameMode != IcsExamining) {
14657 DisplayError(_("You are not examining a game"), 0);
14661 DisplayError(_("You can't revert while pausing"), 0);
14664 SendToICS(ics_prefix);
14665 SendToICS("revert\n");
14669 RetractMoveEvent ()
14671 switch (gameMode) {
14672 case MachinePlaysWhite:
14673 case MachinePlaysBlack:
14674 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14675 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14678 if (forwardMostMove < 2) return;
14679 currentMove = forwardMostMove = forwardMostMove - 2;
14680 whiteTimeRemaining = timeRemaining[0][currentMove];
14681 blackTimeRemaining = timeRemaining[1][currentMove];
14682 DisplayBothClocks();
14683 DisplayMove(currentMove - 1);
14684 ClearHighlights();/*!! could figure this out*/
14685 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14686 SendToProgram("remove\n", &first);
14687 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14690 case BeginningOfGame:
14694 case IcsPlayingWhite:
14695 case IcsPlayingBlack:
14696 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14697 SendToICS(ics_prefix);
14698 SendToICS("takeback 2\n");
14700 SendToICS(ics_prefix);
14701 SendToICS("takeback 1\n");
14710 ChessProgramState *cps;
14712 switch (gameMode) {
14713 case MachinePlaysWhite:
14714 if (!WhiteOnMove(forwardMostMove)) {
14715 DisplayError(_("It is your turn"), 0);
14720 case MachinePlaysBlack:
14721 if (WhiteOnMove(forwardMostMove)) {
14722 DisplayError(_("It is your turn"), 0);
14727 case TwoMachinesPlay:
14728 if (WhiteOnMove(forwardMostMove) ==
14729 (first.twoMachinesColor[0] == 'w')) {
14735 case BeginningOfGame:
14739 SendToProgram("?\n", cps);
14743 TruncateGameEvent ()
14746 if (gameMode != EditGame) return;
14753 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14754 if (forwardMostMove > currentMove) {
14755 if (gameInfo.resultDetails != NULL) {
14756 free(gameInfo.resultDetails);
14757 gameInfo.resultDetails = NULL;
14758 gameInfo.result = GameUnfinished;
14760 forwardMostMove = currentMove;
14761 HistorySet(parseList, backwardMostMove, forwardMostMove,
14769 if (appData.noChessProgram) return;
14770 switch (gameMode) {
14771 case MachinePlaysWhite:
14772 if (WhiteOnMove(forwardMostMove)) {
14773 DisplayError(_("Wait until your turn"), 0);
14777 case BeginningOfGame:
14778 case MachinePlaysBlack:
14779 if (!WhiteOnMove(forwardMostMove)) {
14780 DisplayError(_("Wait until your turn"), 0);
14785 DisplayError(_("No hint available"), 0);
14788 SendToProgram("hint\n", &first);
14789 hintRequested = TRUE;
14795 if (appData.noChessProgram) return;
14796 switch (gameMode) {
14797 case MachinePlaysWhite:
14798 if (WhiteOnMove(forwardMostMove)) {
14799 DisplayError(_("Wait until your turn"), 0);
14803 case BeginningOfGame:
14804 case MachinePlaysBlack:
14805 if (!WhiteOnMove(forwardMostMove)) {
14806 DisplayError(_("Wait until your turn"), 0);
14811 EditPositionDone(TRUE);
14813 case TwoMachinesPlay:
14818 SendToProgram("bk\n", &first);
14819 bookOutput[0] = NULLCHAR;
14820 bookRequested = TRUE;
14826 char *tags = PGNTags(&gameInfo);
14827 TagsPopUp(tags, CmailMsg());
14831 /* end button procedures */
14834 PrintPosition (FILE *fp, int move)
14838 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14839 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14840 char c = PieceToChar(boards[move][i][j]);
14841 fputc(c == 'x' ? '.' : c, fp);
14842 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14845 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14846 fprintf(fp, "white to play\n");
14848 fprintf(fp, "black to play\n");
14852 PrintOpponents (FILE *fp)
14854 if (gameInfo.white != NULL) {
14855 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14861 /* Find last component of program's own name, using some heuristics */
14863 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14866 int local = (strcmp(host, "localhost") == 0);
14867 while (!local && (p = strchr(prog, ';')) != NULL) {
14869 while (*p == ' ') p++;
14872 if (*prog == '"' || *prog == '\'') {
14873 q = strchr(prog + 1, *prog);
14875 q = strchr(prog, ' ');
14877 if (q == NULL) q = prog + strlen(prog);
14879 while (p >= prog && *p != '/' && *p != '\\') p--;
14881 if(p == prog && *p == '"') p++;
14883 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14884 memcpy(buf, p, q - p);
14885 buf[q - p] = NULLCHAR;
14893 TimeControlTagValue ()
14896 if (!appData.clockMode) {
14897 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14898 } else if (movesPerSession > 0) {
14899 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14900 } else if (timeIncrement == 0) {
14901 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14903 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14905 return StrSave(buf);
14911 /* This routine is used only for certain modes */
14912 VariantClass v = gameInfo.variant;
14913 ChessMove r = GameUnfinished;
14916 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14917 r = gameInfo.result;
14918 p = gameInfo.resultDetails;
14919 gameInfo.resultDetails = NULL;
14921 ClearGameInfo(&gameInfo);
14922 gameInfo.variant = v;
14924 switch (gameMode) {
14925 case MachinePlaysWhite:
14926 gameInfo.event = StrSave( appData.pgnEventHeader );
14927 gameInfo.site = StrSave(HostName());
14928 gameInfo.date = PGNDate();
14929 gameInfo.round = StrSave("-");
14930 gameInfo.white = StrSave(first.tidy);
14931 gameInfo.black = StrSave(UserName());
14932 gameInfo.timeControl = TimeControlTagValue();
14935 case MachinePlaysBlack:
14936 gameInfo.event = StrSave( appData.pgnEventHeader );
14937 gameInfo.site = StrSave(HostName());
14938 gameInfo.date = PGNDate();
14939 gameInfo.round = StrSave("-");
14940 gameInfo.white = StrSave(UserName());
14941 gameInfo.black = StrSave(first.tidy);
14942 gameInfo.timeControl = TimeControlTagValue();
14945 case TwoMachinesPlay:
14946 gameInfo.event = StrSave( appData.pgnEventHeader );
14947 gameInfo.site = StrSave(HostName());
14948 gameInfo.date = PGNDate();
14951 snprintf(buf, MSG_SIZ, "%d", roundNr);
14952 gameInfo.round = StrSave(buf);
14954 gameInfo.round = StrSave("-");
14956 if (first.twoMachinesColor[0] == 'w') {
14957 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14958 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14960 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14961 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14963 gameInfo.timeControl = TimeControlTagValue();
14967 gameInfo.event = StrSave("Edited game");
14968 gameInfo.site = StrSave(HostName());
14969 gameInfo.date = PGNDate();
14970 gameInfo.round = StrSave("-");
14971 gameInfo.white = StrSave("-");
14972 gameInfo.black = StrSave("-");
14973 gameInfo.result = r;
14974 gameInfo.resultDetails = p;
14978 gameInfo.event = StrSave("Edited position");
14979 gameInfo.site = StrSave(HostName());
14980 gameInfo.date = PGNDate();
14981 gameInfo.round = StrSave("-");
14982 gameInfo.white = StrSave("-");
14983 gameInfo.black = StrSave("-");
14986 case IcsPlayingWhite:
14987 case IcsPlayingBlack:
14992 case PlayFromGameFile:
14993 gameInfo.event = StrSave("Game from non-PGN file");
14994 gameInfo.site = StrSave(HostName());
14995 gameInfo.date = PGNDate();
14996 gameInfo.round = StrSave("-");
14997 gameInfo.white = StrSave("?");
14998 gameInfo.black = StrSave("?");
15007 ReplaceComment (int index, char *text)
15013 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15014 pvInfoList[index-1].depth == len &&
15015 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15016 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15017 while (*text == '\n') text++;
15018 len = strlen(text);
15019 while (len > 0 && text[len - 1] == '\n') len--;
15021 if (commentList[index] != NULL)
15022 free(commentList[index]);
15025 commentList[index] = NULL;
15028 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15029 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15030 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15031 commentList[index] = (char *) malloc(len + 2);
15032 strncpy(commentList[index], text, len);
15033 commentList[index][len] = '\n';
15034 commentList[index][len + 1] = NULLCHAR;
15036 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15038 commentList[index] = (char *) malloc(len + 7);
15039 safeStrCpy(commentList[index], "{\n", 3);
15040 safeStrCpy(commentList[index]+2, text, len+1);
15041 commentList[index][len+2] = NULLCHAR;
15042 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15043 strcat(commentList[index], "\n}\n");
15048 CrushCRs (char *text)
15056 if (ch == '\r') continue;
15058 } while (ch != '\0');
15062 AppendComment (int index, char *text, Boolean addBraces)
15063 /* addBraces tells if we should add {} */
15068 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15069 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15072 while (*text == '\n') text++;
15073 len = strlen(text);
15074 while (len > 0 && text[len - 1] == '\n') len--;
15075 text[len] = NULLCHAR;
15077 if (len == 0) return;
15079 if (commentList[index] != NULL) {
15080 Boolean addClosingBrace = addBraces;
15081 old = commentList[index];
15082 oldlen = strlen(old);
15083 while(commentList[index][oldlen-1] == '\n')
15084 commentList[index][--oldlen] = NULLCHAR;
15085 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15086 safeStrCpy(commentList[index], old, oldlen + len + 6);
15088 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15089 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15090 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15091 while (*text == '\n') { text++; len--; }
15092 commentList[index][--oldlen] = NULLCHAR;
15094 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15095 else strcat(commentList[index], "\n");
15096 strcat(commentList[index], text);
15097 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15098 else strcat(commentList[index], "\n");
15100 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15102 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15103 else commentList[index][0] = NULLCHAR;
15104 strcat(commentList[index], text);
15105 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15106 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15111 FindStr (char * text, char * sub_text)
15113 char * result = strstr( text, sub_text );
15115 if( result != NULL ) {
15116 result += strlen( sub_text );
15122 /* [AS] Try to extract PV info from PGN comment */
15123 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15125 GetInfoFromComment (int index, char * text)
15127 char * sep = text, *p;
15129 if( text != NULL && index > 0 ) {
15132 int time = -1, sec = 0, deci;
15133 char * s_eval = FindStr( text, "[%eval " );
15134 char * s_emt = FindStr( text, "[%emt " );
15136 if( s_eval != NULL || s_emt != NULL ) {
15140 if( s_eval != NULL ) {
15141 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15145 if( delim != ']' ) {
15150 if( s_emt != NULL ) {
15155 /* We expect something like: [+|-]nnn.nn/dd */
15158 if(*text != '{') return text; // [HGM] braces: must be normal comment
15160 sep = strchr( text, '/' );
15161 if( sep == NULL || sep < (text+4) ) {
15166 if(p[1] == '(') { // comment starts with PV
15167 p = strchr(p, ')'); // locate end of PV
15168 if(p == NULL || sep < p+5) return text;
15169 // at this point we have something like "{(.*) +0.23/6 ..."
15170 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15171 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15172 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15174 time = -1; sec = -1; deci = -1;
15175 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15176 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15177 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15178 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15182 if( score_lo < 0 || score_lo >= 100 ) {
15186 if(sec >= 0) time = 600*time + 10*sec; else
15187 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15189 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15191 /* [HGM] PV time: now locate end of PV info */
15192 while( *++sep >= '0' && *sep <= '9'); // strip depth
15194 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15196 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15198 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15199 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15210 pvInfoList[index-1].depth = depth;
15211 pvInfoList[index-1].score = score;
15212 pvInfoList[index-1].time = 10*time; // centi-sec
15213 if(*sep == '}') *sep = 0; else *--sep = '{';
15214 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15220 SendToProgram (char *message, ChessProgramState *cps)
15222 int count, outCount, error;
15225 if (cps->pr == NoProc) return;
15228 if (appData.debugMode) {
15231 fprintf(debugFP, "%ld >%-6s: %s",
15232 SubtractTimeMarks(&now, &programStartTime),
15233 cps->which, message);
15235 fprintf(serverFP, "%ld >%-6s: %s",
15236 SubtractTimeMarks(&now, &programStartTime),
15237 cps->which, message), fflush(serverFP);
15240 count = strlen(message);
15241 outCount = OutputToProcess(cps->pr, message, count, &error);
15242 if (outCount < count && !exiting
15243 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15244 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15245 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15246 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15247 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15248 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15249 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15250 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15252 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15253 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15254 gameInfo.result = res;
15256 gameInfo.resultDetails = StrSave(buf);
15258 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15259 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15264 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15268 ChessProgramState *cps = (ChessProgramState *)closure;
15270 if (isr != cps->isr) return; /* Killed intentionally */
15273 RemoveInputSource(cps->isr);
15274 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15275 _(cps->which), cps->program);
15276 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15277 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15278 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15279 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15280 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15281 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15283 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15284 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15285 gameInfo.result = res;
15287 gameInfo.resultDetails = StrSave(buf);
15289 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15290 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15292 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15293 _(cps->which), cps->program);
15294 RemoveInputSource(cps->isr);
15296 /* [AS] Program is misbehaving badly... kill it */
15297 if( count == -2 ) {
15298 DestroyChildProcess( cps->pr, 9 );
15302 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15307 if ((end_str = strchr(message, '\r')) != NULL)
15308 *end_str = NULLCHAR;
15309 if ((end_str = strchr(message, '\n')) != NULL)
15310 *end_str = NULLCHAR;
15312 if (appData.debugMode) {
15313 TimeMark now; int print = 1;
15314 char *quote = ""; char c; int i;
15316 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15317 char start = message[0];
15318 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15319 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15320 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15321 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15322 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15323 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15324 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15325 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15326 sscanf(message, "hint: %c", &c)!=1 &&
15327 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15328 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15329 print = (appData.engineComments >= 2);
15331 message[0] = start; // restore original message
15335 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15336 SubtractTimeMarks(&now, &programStartTime), cps->which,
15340 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15341 SubtractTimeMarks(&now, &programStartTime), cps->which,
15343 message), fflush(serverFP);
15347 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15348 if (appData.icsEngineAnalyze) {
15349 if (strstr(message, "whisper") != NULL ||
15350 strstr(message, "kibitz") != NULL ||
15351 strstr(message, "tellics") != NULL) return;
15354 HandleMachineMove(message, cps);
15359 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15364 if( timeControl_2 > 0 ) {
15365 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15366 tc = timeControl_2;
15369 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15370 inc /= cps->timeOdds;
15371 st /= cps->timeOdds;
15373 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15376 /* Set exact time per move, normally using st command */
15377 if (cps->stKludge) {
15378 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15380 if (seconds == 0) {
15381 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15383 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15386 snprintf(buf, MSG_SIZ, "st %d\n", st);
15389 /* Set conventional or incremental time control, using level command */
15390 if (seconds == 0) {
15391 /* Note old gnuchess bug -- minutes:seconds used to not work.
15392 Fixed in later versions, but still avoid :seconds
15393 when seconds is 0. */
15394 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15396 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15397 seconds, inc/1000.);
15400 SendToProgram(buf, cps);
15402 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15403 /* Orthogonally, limit search to given depth */
15405 if (cps->sdKludge) {
15406 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15408 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15410 SendToProgram(buf, cps);
15413 if(cps->nps >= 0) { /* [HGM] nps */
15414 if(cps->supportsNPS == FALSE)
15415 cps->nps = -1; // don't use if engine explicitly says not supported!
15417 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15418 SendToProgram(buf, cps);
15423 ChessProgramState *
15425 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15427 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15428 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15434 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15436 char message[MSG_SIZ];
15439 /* Note: this routine must be called when the clocks are stopped
15440 or when they have *just* been set or switched; otherwise
15441 it will be off by the time since the current tick started.
15443 if (machineWhite) {
15444 time = whiteTimeRemaining / 10;
15445 otime = blackTimeRemaining / 10;
15447 time = blackTimeRemaining / 10;
15448 otime = whiteTimeRemaining / 10;
15450 /* [HGM] translate opponent's time by time-odds factor */
15451 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15453 if (time <= 0) time = 1;
15454 if (otime <= 0) otime = 1;
15456 snprintf(message, MSG_SIZ, "time %ld\n", time);
15457 SendToProgram(message, cps);
15459 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15460 SendToProgram(message, cps);
15464 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15467 int len = strlen(name);
15470 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15472 sscanf(*p, "%d", &val);
15474 while (**p && **p != ' ')
15476 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15477 SendToProgram(buf, cps);
15484 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15487 int len = strlen(name);
15488 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15490 sscanf(*p, "%d", loc);
15491 while (**p && **p != ' ') (*p)++;
15492 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15493 SendToProgram(buf, cps);
15500 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15503 int len = strlen(name);
15504 if (strncmp((*p), name, len) == 0
15505 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15507 sscanf(*p, "%[^\"]", loc);
15508 while (**p && **p != '\"') (*p)++;
15509 if (**p == '\"') (*p)++;
15510 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15511 SendToProgram(buf, cps);
15518 ParseOption (Option *opt, ChessProgramState *cps)
15519 // [HGM] options: process the string that defines an engine option, and determine
15520 // name, type, default value, and allowed value range
15522 char *p, *q, buf[MSG_SIZ];
15523 int n, min = (-1)<<31, max = 1<<31, def;
15525 if(p = strstr(opt->name, " -spin ")) {
15526 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15527 if(max < min) max = min; // enforce consistency
15528 if(def < min) def = min;
15529 if(def > max) def = max;
15534 } else if((p = strstr(opt->name, " -slider "))) {
15535 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15536 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15537 if(max < min) max = min; // enforce consistency
15538 if(def < min) def = min;
15539 if(def > max) def = max;
15543 opt->type = Spin; // Slider;
15544 } else if((p = strstr(opt->name, " -string "))) {
15545 opt->textValue = p+9;
15546 opt->type = TextBox;
15547 } else if((p = strstr(opt->name, " -file "))) {
15548 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15549 opt->textValue = p+7;
15550 opt->type = FileName; // FileName;
15551 } else if((p = strstr(opt->name, " -path "))) {
15552 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15553 opt->textValue = p+7;
15554 opt->type = PathName; // PathName;
15555 } else if(p = strstr(opt->name, " -check ")) {
15556 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15557 opt->value = (def != 0);
15558 opt->type = CheckBox;
15559 } else if(p = strstr(opt->name, " -combo ")) {
15560 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15561 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15562 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15563 opt->value = n = 0;
15564 while(q = StrStr(q, " /// ")) {
15565 n++; *q = 0; // count choices, and null-terminate each of them
15567 if(*q == '*') { // remember default, which is marked with * prefix
15571 cps->comboList[cps->comboCnt++] = q;
15573 cps->comboList[cps->comboCnt++] = NULL;
15575 opt->type = ComboBox;
15576 } else if(p = strstr(opt->name, " -button")) {
15577 opt->type = Button;
15578 } else if(p = strstr(opt->name, " -save")) {
15579 opt->type = SaveButton;
15580 } else return FALSE;
15581 *p = 0; // terminate option name
15582 // now look if the command-line options define a setting for this engine option.
15583 if(cps->optionSettings && cps->optionSettings[0])
15584 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15585 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15586 snprintf(buf, MSG_SIZ, "option %s", p);
15587 if(p = strstr(buf, ",")) *p = 0;
15588 if(q = strchr(buf, '=')) switch(opt->type) {
15590 for(n=0; n<opt->max; n++)
15591 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15594 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15598 opt->value = atoi(q+1);
15603 SendToProgram(buf, cps);
15609 FeatureDone (ChessProgramState *cps, int val)
15611 DelayedEventCallback cb = GetDelayedEvent();
15612 if ((cb == InitBackEnd3 && cps == &first) ||
15613 (cb == SettingsMenuIfReady && cps == &second) ||
15614 (cb == LoadEngine) ||
15615 (cb == TwoMachinesEventIfReady)) {
15616 CancelDelayedEvent();
15617 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15619 cps->initDone = val;
15622 /* Parse feature command from engine */
15624 ParseFeatures (char *args, ChessProgramState *cps)
15632 while (*p == ' ') p++;
15633 if (*p == NULLCHAR) return;
15635 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15636 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15637 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15638 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15639 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15640 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15641 if (BoolFeature(&p, "reuse", &val, cps)) {
15642 /* Engine can disable reuse, but can't enable it if user said no */
15643 if (!val) cps->reuse = FALSE;
15646 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15647 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15648 if (gameMode == TwoMachinesPlay) {
15649 DisplayTwoMachinesTitle();
15655 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15656 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15657 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15658 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15659 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15660 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15661 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15662 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15663 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15664 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15665 if (IntFeature(&p, "done", &val, cps)) {
15666 FeatureDone(cps, val);
15669 /* Added by Tord: */
15670 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15671 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15672 /* End of additions by Tord */
15674 /* [HGM] added features: */
15675 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15676 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15677 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15678 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15679 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15680 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15681 if (StringFeature(&p, "option", buf, cps)) {
15682 FREE(cps->option[cps->nrOptions].name);
15683 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15684 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15685 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15686 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15687 SendToProgram(buf, cps);
15690 if(cps->nrOptions >= MAX_OPTIONS) {
15692 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15693 DisplayError(buf, 0);
15697 /* End of additions by HGM */
15699 /* unknown feature: complain and skip */
15701 while (*q && *q != '=') q++;
15702 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15703 SendToProgram(buf, cps);
15709 while (*p && *p != '\"') p++;
15710 if (*p == '\"') p++;
15712 while (*p && *p != ' ') p++;
15720 PeriodicUpdatesEvent (int newState)
15722 if (newState == appData.periodicUpdates)
15725 appData.periodicUpdates=newState;
15727 /* Display type changes, so update it now */
15728 // DisplayAnalysis();
15730 /* Get the ball rolling again... */
15732 AnalysisPeriodicEvent(1);
15733 StartAnalysisClock();
15738 PonderNextMoveEvent (int newState)
15740 if (newState == appData.ponderNextMove) return;
15741 if (gameMode == EditPosition) EditPositionDone(TRUE);
15743 SendToProgram("hard\n", &first);
15744 if (gameMode == TwoMachinesPlay) {
15745 SendToProgram("hard\n", &second);
15748 SendToProgram("easy\n", &first);
15749 thinkOutput[0] = NULLCHAR;
15750 if (gameMode == TwoMachinesPlay) {
15751 SendToProgram("easy\n", &second);
15754 appData.ponderNextMove = newState;
15758 NewSettingEvent (int option, int *feature, char *command, int value)
15762 if (gameMode == EditPosition) EditPositionDone(TRUE);
15763 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15764 if(feature == NULL || *feature) SendToProgram(buf, &first);
15765 if (gameMode == TwoMachinesPlay) {
15766 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15771 ShowThinkingEvent ()
15772 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15774 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15775 int newState = appData.showThinking
15776 // [HGM] thinking: other features now need thinking output as well
15777 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15779 if (oldState == newState) return;
15780 oldState = newState;
15781 if (gameMode == EditPosition) EditPositionDone(TRUE);
15783 SendToProgram("post\n", &first);
15784 if (gameMode == TwoMachinesPlay) {
15785 SendToProgram("post\n", &second);
15788 SendToProgram("nopost\n", &first);
15789 thinkOutput[0] = NULLCHAR;
15790 if (gameMode == TwoMachinesPlay) {
15791 SendToProgram("nopost\n", &second);
15794 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15798 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15800 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15801 if (pr == NoProc) return;
15802 AskQuestion(title, question, replyPrefix, pr);
15806 TypeInEvent (char firstChar)
15808 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15809 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15810 gameMode == AnalyzeMode || gameMode == EditGame ||
15811 gameMode == EditPosition || gameMode == IcsExamining ||
15812 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15813 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15814 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15815 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15816 gameMode == Training) PopUpMoveDialog(firstChar);
15820 TypeInDoneEvent (char *move)
15823 int n, fromX, fromY, toX, toY;
15825 ChessMove moveType;
15828 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15829 EditPositionPasteFEN(move);
15832 // [HGM] movenum: allow move number to be typed in any mode
15833 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15837 // undocumented kludge: allow command-line option to be typed in!
15838 // (potentially fatal, and does not implement the effect of the option.)
15839 // should only be used for options that are values on which future decisions will be made,
15840 // and definitely not on options that would be used during initialization.
15841 if(strstr(move, "!!! -") == move) {
15842 ParseArgsFromString(move+4);
15846 if (gameMode != EditGame && currentMove != forwardMostMove &&
15847 gameMode != Training) {
15848 DisplayMoveError(_("Displayed move is not current"));
15850 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15851 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15852 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15853 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15854 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15855 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15857 DisplayMoveError(_("Could not parse move"));
15863 DisplayMove (int moveNumber)
15865 char message[MSG_SIZ];
15867 char cpThinkOutput[MSG_SIZ];
15869 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15871 if (moveNumber == forwardMostMove - 1 ||
15872 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15874 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15876 if (strchr(cpThinkOutput, '\n')) {
15877 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15880 *cpThinkOutput = NULLCHAR;
15883 /* [AS] Hide thinking from human user */
15884 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15885 *cpThinkOutput = NULLCHAR;
15886 if( thinkOutput[0] != NULLCHAR ) {
15889 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15890 cpThinkOutput[i] = '.';
15892 cpThinkOutput[i] = NULLCHAR;
15893 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15897 if (moveNumber == forwardMostMove - 1 &&
15898 gameInfo.resultDetails != NULL) {
15899 if (gameInfo.resultDetails[0] == NULLCHAR) {
15900 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15902 snprintf(res, MSG_SIZ, " {%s} %s",
15903 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15909 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15910 DisplayMessage(res, cpThinkOutput);
15912 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15913 WhiteOnMove(moveNumber) ? " " : ".. ",
15914 parseList[moveNumber], res);
15915 DisplayMessage(message, cpThinkOutput);
15920 DisplayComment (int moveNumber, char *text)
15922 char title[MSG_SIZ];
15924 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15925 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15927 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15928 WhiteOnMove(moveNumber) ? " " : ".. ",
15929 parseList[moveNumber]);
15931 if (text != NULL && (appData.autoDisplayComment || commentUp))
15932 CommentPopUp(title, text);
15935 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15936 * might be busy thinking or pondering. It can be omitted if your
15937 * gnuchess is configured to stop thinking immediately on any user
15938 * input. However, that gnuchess feature depends on the FIONREAD
15939 * ioctl, which does not work properly on some flavors of Unix.
15942 Attention (ChessProgramState *cps)
15945 if (!cps->useSigint) return;
15946 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15947 switch (gameMode) {
15948 case MachinePlaysWhite:
15949 case MachinePlaysBlack:
15950 case TwoMachinesPlay:
15951 case IcsPlayingWhite:
15952 case IcsPlayingBlack:
15955 /* Skip if we know it isn't thinking */
15956 if (!cps->maybeThinking) return;
15957 if (appData.debugMode)
15958 fprintf(debugFP, "Interrupting %s\n", cps->which);
15959 InterruptChildProcess(cps->pr);
15960 cps->maybeThinking = FALSE;
15965 #endif /*ATTENTION*/
15971 if (whiteTimeRemaining <= 0) {
15974 if (appData.icsActive) {
15975 if (appData.autoCallFlag &&
15976 gameMode == IcsPlayingBlack && !blackFlag) {
15977 SendToICS(ics_prefix);
15978 SendToICS("flag\n");
15982 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15984 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15985 if (appData.autoCallFlag) {
15986 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15993 if (blackTimeRemaining <= 0) {
15996 if (appData.icsActive) {
15997 if (appData.autoCallFlag &&
15998 gameMode == IcsPlayingWhite && !whiteFlag) {
15999 SendToICS(ics_prefix);
16000 SendToICS("flag\n");
16004 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16006 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16007 if (appData.autoCallFlag) {
16008 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16019 CheckTimeControl ()
16021 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16022 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16025 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16027 if ( !WhiteOnMove(forwardMostMove) ) {
16028 /* White made time control */
16029 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16030 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16031 /* [HGM] time odds: correct new time quota for time odds! */
16032 / WhitePlayer()->timeOdds;
16033 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16035 lastBlack -= blackTimeRemaining;
16036 /* Black made time control */
16037 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16038 / WhitePlayer()->other->timeOdds;
16039 lastWhite = whiteTimeRemaining;
16044 DisplayBothClocks ()
16046 int wom = gameMode == EditPosition ?
16047 !blackPlaysFirst : WhiteOnMove(currentMove);
16048 DisplayWhiteClock(whiteTimeRemaining, wom);
16049 DisplayBlackClock(blackTimeRemaining, !wom);
16053 /* Timekeeping seems to be a portability nightmare. I think everyone
16054 has ftime(), but I'm really not sure, so I'm including some ifdefs
16055 to use other calls if you don't. Clocks will be less accurate if
16056 you have neither ftime nor gettimeofday.
16059 /* VS 2008 requires the #include outside of the function */
16060 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16061 #include <sys/timeb.h>
16064 /* Get the current time as a TimeMark */
16066 GetTimeMark (TimeMark *tm)
16068 #if HAVE_GETTIMEOFDAY
16070 struct timeval timeVal;
16071 struct timezone timeZone;
16073 gettimeofday(&timeVal, &timeZone);
16074 tm->sec = (long) timeVal.tv_sec;
16075 tm->ms = (int) (timeVal.tv_usec / 1000L);
16077 #else /*!HAVE_GETTIMEOFDAY*/
16080 // include <sys/timeb.h> / moved to just above start of function
16081 struct timeb timeB;
16084 tm->sec = (long) timeB.time;
16085 tm->ms = (int) timeB.millitm;
16087 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16088 tm->sec = (long) time(NULL);
16094 /* Return the difference in milliseconds between two
16095 time marks. We assume the difference will fit in a long!
16098 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16100 return 1000L*(tm2->sec - tm1->sec) +
16101 (long) (tm2->ms - tm1->ms);
16106 * Code to manage the game clocks.
16108 * In tournament play, black starts the clock and then white makes a move.
16109 * We give the human user a slight advantage if he is playing white---the
16110 * clocks don't run until he makes his first move, so it takes zero time.
16111 * Also, we don't account for network lag, so we could get out of sync
16112 * with GNU Chess's clock -- but then, referees are always right.
16115 static TimeMark tickStartTM;
16116 static long intendedTickLength;
16119 NextTickLength (long timeRemaining)
16121 long nominalTickLength, nextTickLength;
16123 if (timeRemaining > 0L && timeRemaining <= 10000L)
16124 nominalTickLength = 100L;
16126 nominalTickLength = 1000L;
16127 nextTickLength = timeRemaining % nominalTickLength;
16128 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16130 return nextTickLength;
16133 /* Adjust clock one minute up or down */
16135 AdjustClock (Boolean which, int dir)
16137 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16138 if(which) blackTimeRemaining += 60000*dir;
16139 else whiteTimeRemaining += 60000*dir;
16140 DisplayBothClocks();
16141 adjustedClock = TRUE;
16144 /* Stop clocks and reset to a fresh time control */
16148 (void) StopClockTimer();
16149 if (appData.icsActive) {
16150 whiteTimeRemaining = blackTimeRemaining = 0;
16151 } else if (searchTime) {
16152 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16153 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16154 } else { /* [HGM] correct new time quote for time odds */
16155 whiteTC = blackTC = fullTimeControlString;
16156 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16157 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16159 if (whiteFlag || blackFlag) {
16161 whiteFlag = blackFlag = FALSE;
16163 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16164 DisplayBothClocks();
16165 adjustedClock = FALSE;
16168 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16170 /* Decrement running clock by amount of time that has passed */
16174 long timeRemaining;
16175 long lastTickLength, fudge;
16178 if (!appData.clockMode) return;
16179 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16183 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16185 /* Fudge if we woke up a little too soon */
16186 fudge = intendedTickLength - lastTickLength;
16187 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16189 if (WhiteOnMove(forwardMostMove)) {
16190 if(whiteNPS >= 0) lastTickLength = 0;
16191 timeRemaining = whiteTimeRemaining -= lastTickLength;
16192 if(timeRemaining < 0 && !appData.icsActive) {
16193 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16194 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16195 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16196 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16199 DisplayWhiteClock(whiteTimeRemaining - fudge,
16200 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16202 if(blackNPS >= 0) lastTickLength = 0;
16203 timeRemaining = blackTimeRemaining -= lastTickLength;
16204 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16205 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16207 blackStartMove = forwardMostMove;
16208 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16211 DisplayBlackClock(blackTimeRemaining - fudge,
16212 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16214 if (CheckFlags()) return;
16217 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16218 StartClockTimer(intendedTickLength);
16220 /* if the time remaining has fallen below the alarm threshold, sound the
16221 * alarm. if the alarm has sounded and (due to a takeback or time control
16222 * with increment) the time remaining has increased to a level above the
16223 * threshold, reset the alarm so it can sound again.
16226 if (appData.icsActive && appData.icsAlarm) {
16228 /* make sure we are dealing with the user's clock */
16229 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16230 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16233 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16234 alarmSounded = FALSE;
16235 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16237 alarmSounded = TRUE;
16243 /* A player has just moved, so stop the previously running
16244 clock and (if in clock mode) start the other one.
16245 We redisplay both clocks in case we're in ICS mode, because
16246 ICS gives us an update to both clocks after every move.
16247 Note that this routine is called *after* forwardMostMove
16248 is updated, so the last fractional tick must be subtracted
16249 from the color that is *not* on move now.
16252 SwitchClocks (int newMoveNr)
16254 long lastTickLength;
16256 int flagged = FALSE;
16260 if (StopClockTimer() && appData.clockMode) {
16261 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16262 if (!WhiteOnMove(forwardMostMove)) {
16263 if(blackNPS >= 0) lastTickLength = 0;
16264 blackTimeRemaining -= lastTickLength;
16265 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16266 // if(pvInfoList[forwardMostMove].time == -1)
16267 pvInfoList[forwardMostMove].time = // use GUI time
16268 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16270 if(whiteNPS >= 0) lastTickLength = 0;
16271 whiteTimeRemaining -= lastTickLength;
16272 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16273 // if(pvInfoList[forwardMostMove].time == -1)
16274 pvInfoList[forwardMostMove].time =
16275 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16277 flagged = CheckFlags();
16279 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16280 CheckTimeControl();
16282 if (flagged || !appData.clockMode) return;
16284 switch (gameMode) {
16285 case MachinePlaysBlack:
16286 case MachinePlaysWhite:
16287 case BeginningOfGame:
16288 if (pausing) return;
16292 case PlayFromGameFile:
16300 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16301 if(WhiteOnMove(forwardMostMove))
16302 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16303 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16307 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16308 whiteTimeRemaining : blackTimeRemaining);
16309 StartClockTimer(intendedTickLength);
16313 /* Stop both clocks */
16317 long lastTickLength;
16320 if (!StopClockTimer()) return;
16321 if (!appData.clockMode) return;
16325 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16326 if (WhiteOnMove(forwardMostMove)) {
16327 if(whiteNPS >= 0) lastTickLength = 0;
16328 whiteTimeRemaining -= lastTickLength;
16329 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16331 if(blackNPS >= 0) lastTickLength = 0;
16332 blackTimeRemaining -= lastTickLength;
16333 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16338 /* Start clock of player on move. Time may have been reset, so
16339 if clock is already running, stop and restart it. */
16343 (void) StopClockTimer(); /* in case it was running already */
16344 DisplayBothClocks();
16345 if (CheckFlags()) return;
16347 if (!appData.clockMode) return;
16348 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16350 GetTimeMark(&tickStartTM);
16351 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16352 whiteTimeRemaining : blackTimeRemaining);
16354 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16355 whiteNPS = blackNPS = -1;
16356 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16357 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16358 whiteNPS = first.nps;
16359 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16360 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16361 blackNPS = first.nps;
16362 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16363 whiteNPS = second.nps;
16364 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16365 blackNPS = second.nps;
16366 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16368 StartClockTimer(intendedTickLength);
16372 TimeString (long ms)
16374 long second, minute, hour, day;
16376 static char buf[32];
16378 if (ms > 0 && ms <= 9900) {
16379 /* convert milliseconds to tenths, rounding up */
16380 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16382 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16386 /* convert milliseconds to seconds, rounding up */
16387 /* use floating point to avoid strangeness of integer division
16388 with negative dividends on many machines */
16389 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16396 day = second / (60 * 60 * 24);
16397 second = second % (60 * 60 * 24);
16398 hour = second / (60 * 60);
16399 second = second % (60 * 60);
16400 minute = second / 60;
16401 second = second % 60;
16404 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16405 sign, day, hour, minute, second);
16407 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16409 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16416 * This is necessary because some C libraries aren't ANSI C compliant yet.
16419 StrStr (char *string, char *match)
16423 length = strlen(match);
16425 for (i = strlen(string) - length; i >= 0; i--, string++)
16426 if (!strncmp(match, string, length))
16433 StrCaseStr (char *string, char *match)
16437 length = strlen(match);
16439 for (i = strlen(string) - length; i >= 0; i--, string++) {
16440 for (j = 0; j < length; j++) {
16441 if (ToLower(match[j]) != ToLower(string[j]))
16444 if (j == length) return string;
16452 StrCaseCmp (char *s1, char *s2)
16457 c1 = ToLower(*s1++);
16458 c2 = ToLower(*s2++);
16459 if (c1 > c2) return 1;
16460 if (c1 < c2) return -1;
16461 if (c1 == NULLCHAR) return 0;
16469 return isupper(c) ? tolower(c) : c;
16476 return islower(c) ? toupper(c) : c;
16478 #endif /* !_amigados */
16485 if ((ret = (char *) malloc(strlen(s) + 1)))
16487 safeStrCpy(ret, s, strlen(s)+1);
16493 StrSavePtr (char *s, char **savePtr)
16498 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16499 safeStrCpy(*savePtr, s, strlen(s)+1);
16511 clock = time((time_t *)NULL);
16512 tm = localtime(&clock);
16513 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16514 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16515 return StrSave(buf);
16520 PositionToFEN (int move, char *overrideCastling)
16522 int i, j, fromX, fromY, toX, toY;
16529 whiteToPlay = (gameMode == EditPosition) ?
16530 !blackPlaysFirst : (move % 2 == 0);
16533 /* Piece placement data */
16534 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16535 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16537 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16538 if (boards[move][i][j] == EmptySquare) {
16540 } else { ChessSquare piece = boards[move][i][j];
16541 if (emptycount > 0) {
16542 if(emptycount<10) /* [HGM] can be >= 10 */
16543 *p++ = '0' + emptycount;
16544 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16547 if(PieceToChar(piece) == '+') {
16548 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16550 piece = (ChessSquare)(DEMOTED piece);
16552 *p++ = PieceToChar(piece);
16554 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16555 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16560 if (emptycount > 0) {
16561 if(emptycount<10) /* [HGM] can be >= 10 */
16562 *p++ = '0' + emptycount;
16563 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16570 /* [HGM] print Crazyhouse or Shogi holdings */
16571 if( gameInfo.holdingsWidth ) {
16572 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16574 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16575 piece = boards[move][i][BOARD_WIDTH-1];
16576 if( piece != EmptySquare )
16577 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16578 *p++ = PieceToChar(piece);
16580 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16581 piece = boards[move][BOARD_HEIGHT-i-1][0];
16582 if( piece != EmptySquare )
16583 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16584 *p++ = PieceToChar(piece);
16587 if( q == p ) *p++ = '-';
16593 *p++ = whiteToPlay ? 'w' : 'b';
16596 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16597 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16599 if(nrCastlingRights) {
16601 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16602 /* [HGM] write directly from rights */
16603 if(boards[move][CASTLING][2] != NoRights &&
16604 boards[move][CASTLING][0] != NoRights )
16605 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16606 if(boards[move][CASTLING][2] != NoRights &&
16607 boards[move][CASTLING][1] != NoRights )
16608 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16609 if(boards[move][CASTLING][5] != NoRights &&
16610 boards[move][CASTLING][3] != NoRights )
16611 *p++ = boards[move][CASTLING][3] + AAA;
16612 if(boards[move][CASTLING][5] != NoRights &&
16613 boards[move][CASTLING][4] != NoRights )
16614 *p++ = boards[move][CASTLING][4] + AAA;
16617 /* [HGM] write true castling rights */
16618 if( nrCastlingRights == 6 ) {
16619 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16620 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16621 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16622 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16623 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16624 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16625 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16626 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16629 if (q == p) *p++ = '-'; /* No castling rights */
16633 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16634 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16635 /* En passant target square */
16636 if (move > backwardMostMove) {
16637 fromX = moveList[move - 1][0] - AAA;
16638 fromY = moveList[move - 1][1] - ONE;
16639 toX = moveList[move - 1][2] - AAA;
16640 toY = moveList[move - 1][3] - ONE;
16641 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16642 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16643 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16645 /* 2-square pawn move just happened */
16647 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16651 } else if(move == backwardMostMove) {
16652 // [HGM] perhaps we should always do it like this, and forget the above?
16653 if((signed char)boards[move][EP_STATUS] >= 0) {
16654 *p++ = boards[move][EP_STATUS] + AAA;
16655 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16666 /* [HGM] find reversible plies */
16667 { int i = 0, j=move;
16669 if (appData.debugMode) { int k;
16670 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16671 for(k=backwardMostMove; k<=forwardMostMove; k++)
16672 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16676 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16677 if( j == backwardMostMove ) i += initialRulePlies;
16678 sprintf(p, "%d ", i);
16679 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16681 /* Fullmove number */
16682 sprintf(p, "%d", (move / 2) + 1);
16684 return StrSave(buf);
16688 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16697 /* [HGM] by default clear Crazyhouse holdings, if present */
16698 if(gameInfo.holdingsWidth) {
16699 for(i=0; i<BOARD_HEIGHT; i++) {
16700 board[i][0] = EmptySquare; /* black holdings */
16701 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16702 board[i][1] = (ChessSquare) 0; /* black counts */
16703 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16707 /* Piece placement data */
16708 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16711 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16712 if (*p == '/') p++;
16713 emptycount = gameInfo.boardWidth - j;
16714 while (emptycount--)
16715 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16717 #if(BOARD_FILES >= 10)
16718 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16719 p++; emptycount=10;
16720 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16721 while (emptycount--)
16722 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16724 } else if (isdigit(*p)) {
16725 emptycount = *p++ - '0';
16726 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16727 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16728 while (emptycount--)
16729 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16730 } else if (*p == '+' || isalpha(*p)) {
16731 if (j >= gameInfo.boardWidth) return FALSE;
16733 piece = CharToPiece(*++p);
16734 if(piece == EmptySquare) return FALSE; /* unknown piece */
16735 piece = (ChessSquare) (PROMOTED piece ); p++;
16736 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16737 } else piece = CharToPiece(*p++);
16739 if(piece==EmptySquare) return FALSE; /* unknown piece */
16740 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16741 piece = (ChessSquare) (PROMOTED piece);
16742 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16745 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16751 while (*p == '/' || *p == ' ') p++;
16753 /* [HGM] look for Crazyhouse holdings here */
16754 while(*p==' ') p++;
16755 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16757 if(*p == '-' ) p++; /* empty holdings */ else {
16758 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16759 /* if we would allow FEN reading to set board size, we would */
16760 /* have to add holdings and shift the board read so far here */
16761 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16763 if((int) piece >= (int) BlackPawn ) {
16764 i = (int)piece - (int)BlackPawn;
16765 i = PieceToNumber((ChessSquare)i);
16766 if( i >= gameInfo.holdingsSize ) return FALSE;
16767 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16768 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16770 i = (int)piece - (int)WhitePawn;
16771 i = PieceToNumber((ChessSquare)i);
16772 if( i >= gameInfo.holdingsSize ) return FALSE;
16773 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16774 board[i][BOARD_WIDTH-2]++; /* black holdings */
16781 while(*p == ' ') p++;
16785 if(appData.colorNickNames) {
16786 if( c == appData.colorNickNames[0] ) c = 'w'; else
16787 if( c == appData.colorNickNames[1] ) c = 'b';
16791 *blackPlaysFirst = FALSE;
16794 *blackPlaysFirst = TRUE;
16800 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16801 /* return the extra info in global variiables */
16803 /* set defaults in case FEN is incomplete */
16804 board[EP_STATUS] = EP_UNKNOWN;
16805 for(i=0; i<nrCastlingRights; i++ ) {
16806 board[CASTLING][i] =
16807 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16808 } /* assume possible unless obviously impossible */
16809 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16810 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16811 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16812 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16813 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16814 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16815 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16816 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16819 while(*p==' ') p++;
16820 if(nrCastlingRights) {
16821 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16822 /* castling indicator present, so default becomes no castlings */
16823 for(i=0; i<nrCastlingRights; i++ ) {
16824 board[CASTLING][i] = NoRights;
16827 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16828 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16829 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16830 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16831 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16833 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16834 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16835 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16837 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16838 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16839 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16840 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16841 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16842 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16845 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16846 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16847 board[CASTLING][2] = whiteKingFile;
16850 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16851 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16852 board[CASTLING][2] = whiteKingFile;
16855 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16856 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16857 board[CASTLING][5] = blackKingFile;
16860 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16861 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16862 board[CASTLING][5] = blackKingFile;
16865 default: /* FRC castlings */
16866 if(c >= 'a') { /* black rights */
16867 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16868 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16869 if(i == BOARD_RGHT) break;
16870 board[CASTLING][5] = i;
16872 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16873 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16875 board[CASTLING][3] = c;
16877 board[CASTLING][4] = c;
16878 } else { /* white rights */
16879 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16880 if(board[0][i] == WhiteKing) break;
16881 if(i == BOARD_RGHT) break;
16882 board[CASTLING][2] = i;
16883 c -= AAA - 'a' + 'A';
16884 if(board[0][c] >= WhiteKing) break;
16886 board[CASTLING][0] = c;
16888 board[CASTLING][1] = c;
16892 for(i=0; i<nrCastlingRights; i++)
16893 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16894 if (appData.debugMode) {
16895 fprintf(debugFP, "FEN castling rights:");
16896 for(i=0; i<nrCastlingRights; i++)
16897 fprintf(debugFP, " %d", board[CASTLING][i]);
16898 fprintf(debugFP, "\n");
16901 while(*p==' ') p++;
16904 /* read e.p. field in games that know e.p. capture */
16905 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16906 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16908 p++; board[EP_STATUS] = EP_NONE;
16910 char c = *p++ - AAA;
16912 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16913 if(*p >= '0' && *p <='9') p++;
16914 board[EP_STATUS] = c;
16919 if(sscanf(p, "%d", &i) == 1) {
16920 FENrulePlies = i; /* 50-move ply counter */
16921 /* (The move number is still ignored) */
16928 EditPositionPasteFEN (char *fen)
16931 Board initial_position;
16933 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16934 DisplayError(_("Bad FEN position in clipboard"), 0);
16937 int savedBlackPlaysFirst = blackPlaysFirst;
16938 EditPositionEvent();
16939 blackPlaysFirst = savedBlackPlaysFirst;
16940 CopyBoard(boards[0], initial_position);
16941 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16942 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16943 DisplayBothClocks();
16944 DrawPosition(FALSE, boards[currentMove]);
16949 static char cseq[12] = "\\ ";
16952 set_cont_sequence (char *new_seq)
16957 // handle bad attempts to set the sequence
16959 return 0; // acceptable error - no debug
16961 len = strlen(new_seq);
16962 ret = (len > 0) && (len < sizeof(cseq));
16964 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16965 else if (appData.debugMode)
16966 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16971 reformat a source message so words don't cross the width boundary. internal
16972 newlines are not removed. returns the wrapped size (no null character unless
16973 included in source message). If dest is NULL, only calculate the size required
16974 for the dest buffer. lp argument indicats line position upon entry, and it's
16975 passed back upon exit.
16978 wrap (char *dest, char *src, int count, int width, int *lp)
16980 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16982 cseq_len = strlen(cseq);
16983 old_line = line = *lp;
16984 ansi = len = clen = 0;
16986 for (i=0; i < count; i++)
16988 if (src[i] == '\033')
16991 // if we hit the width, back up
16992 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16994 // store i & len in case the word is too long
16995 old_i = i, old_len = len;
16997 // find the end of the last word
16998 while (i && src[i] != ' ' && src[i] != '\n')
17004 // word too long? restore i & len before splitting it
17005 if ((old_i-i+clen) >= width)
17012 if (i && src[i-1] == ' ')
17015 if (src[i] != ' ' && src[i] != '\n')
17022 // now append the newline and continuation sequence
17027 strncpy(dest+len, cseq, cseq_len);
17035 dest[len] = src[i];
17039 if (src[i] == '\n')
17044 if (dest && appData.debugMode)
17046 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17047 count, width, line, len, *lp);
17048 show_bytes(debugFP, src, count);
17049 fprintf(debugFP, "\ndest: ");
17050 show_bytes(debugFP, dest, len);
17051 fprintf(debugFP, "\n");
17053 *lp = dest ? line : old_line;
17058 // [HGM] vari: routines for shelving variations
17059 Boolean modeRestore = FALSE;
17062 PushInner (int firstMove, int lastMove)
17064 int i, j, nrMoves = lastMove - firstMove;
17066 // push current tail of game on stack
17067 savedResult[storedGames] = gameInfo.result;
17068 savedDetails[storedGames] = gameInfo.resultDetails;
17069 gameInfo.resultDetails = NULL;
17070 savedFirst[storedGames] = firstMove;
17071 savedLast [storedGames] = lastMove;
17072 savedFramePtr[storedGames] = framePtr;
17073 framePtr -= nrMoves; // reserve space for the boards
17074 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17075 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17076 for(j=0; j<MOVE_LEN; j++)
17077 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17078 for(j=0; j<2*MOVE_LEN; j++)
17079 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17080 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17081 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17082 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17083 pvInfoList[firstMove+i-1].depth = 0;
17084 commentList[framePtr+i] = commentList[firstMove+i];
17085 commentList[firstMove+i] = NULL;
17089 forwardMostMove = firstMove; // truncate game so we can start variation
17093 PushTail (int firstMove, int lastMove)
17095 if(appData.icsActive) { // only in local mode
17096 forwardMostMove = currentMove; // mimic old ICS behavior
17099 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17101 PushInner(firstMove, lastMove);
17102 if(storedGames == 1) GreyRevert(FALSE);
17103 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17107 PopInner (Boolean annotate)
17110 char buf[8000], moveBuf[20];
17112 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17113 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17114 nrMoves = savedLast[storedGames] - currentMove;
17117 if(!WhiteOnMove(currentMove))
17118 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17119 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17120 for(i=currentMove; i<forwardMostMove; i++) {
17122 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17123 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17124 strcat(buf, moveBuf);
17125 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17126 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17130 for(i=1; i<=nrMoves; i++) { // copy last variation back
17131 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17132 for(j=0; j<MOVE_LEN; j++)
17133 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17134 for(j=0; j<2*MOVE_LEN; j++)
17135 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17136 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17137 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17138 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17139 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17140 commentList[currentMove+i] = commentList[framePtr+i];
17141 commentList[framePtr+i] = NULL;
17143 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17144 framePtr = savedFramePtr[storedGames];
17145 gameInfo.result = savedResult[storedGames];
17146 if(gameInfo.resultDetails != NULL) {
17147 free(gameInfo.resultDetails);
17149 gameInfo.resultDetails = savedDetails[storedGames];
17150 forwardMostMove = currentMove + nrMoves;
17154 PopTail (Boolean annotate)
17156 if(appData.icsActive) return FALSE; // only in local mode
17157 if(!storedGames) return FALSE; // sanity
17158 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17160 PopInner(annotate);
17161 if(currentMove < forwardMostMove) ForwardEvent(); else
17162 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17164 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17170 { // remove all shelved variations
17172 for(i=0; i<storedGames; i++) {
17173 if(savedDetails[i])
17174 free(savedDetails[i]);
17175 savedDetails[i] = NULL;
17177 for(i=framePtr; i<MAX_MOVES; i++) {
17178 if(commentList[i]) free(commentList[i]);
17179 commentList[i] = NULL;
17181 framePtr = MAX_MOVES-1;
17186 LoadVariation (int index, char *text)
17187 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17188 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17189 int level = 0, move;
17191 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17192 // first find outermost bracketing variation
17193 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17194 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17195 if(*p == '{') wait = '}'; else
17196 if(*p == '[') wait = ']'; else
17197 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17198 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17200 if(*p == wait) wait = NULLCHAR; // closing ]} found
17203 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17204 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17205 end[1] = NULLCHAR; // clip off comment beyond variation
17206 ToNrEvent(currentMove-1);
17207 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17208 // kludge: use ParsePV() to append variation to game
17209 move = currentMove;
17210 ParsePV(start, TRUE, TRUE);
17211 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17212 ClearPremoveHighlights();
17214 ToNrEvent(currentMove+1);