2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
228 extern void ConsoleCreate();
231 ChessProgramState *WhitePlayer();
232 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
233 int VerifyDisplayMode P(());
235 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
236 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
237 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
238 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
239 void ics_update_width P((int new_width));
240 extern char installDir[MSG_SIZ];
241 VariantClass startVariant; /* [HGM] nicks: initial variant */
244 extern int tinyLayout, smallLayout;
245 ChessProgramStats programStats;
246 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
248 static int exiting = 0; /* [HGM] moved to top */
249 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
250 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
251 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
252 int partnerHighlight[2];
253 Boolean partnerBoardValid = 0;
254 char partnerStatus[MSG_SIZ];
256 Boolean originalFlip;
257 Boolean twoBoards = 0;
258 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
259 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
260 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
261 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
262 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
263 int opponentKibitzes;
264 int lastSavedGame; /* [HGM] save: ID of game */
265 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
266 extern int chatCount;
268 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
269 char lastMsg[MSG_SIZ];
270 ChessSquare pieceSweep = EmptySquare;
271 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
272 int promoDefaultAltered;
274 /* States for ics_getting_history */
276 #define H_REQUESTED 1
277 #define H_GOT_REQ_HEADER 2
278 #define H_GOT_UNREQ_HEADER 3
279 #define H_GETTING_MOVES 4
280 #define H_GOT_UNWANTED_HEADER 5
282 /* whosays values for GameEnds */
291 /* Maximum number of games in a cmail message */
292 #define CMAIL_MAX_GAMES 20
294 /* Different types of move when calling RegisterMove */
296 #define CMAIL_RESIGN 1
298 #define CMAIL_ACCEPT 3
300 /* Different types of result to remember for each game */
301 #define CMAIL_NOT_RESULT 0
302 #define CMAIL_OLD_RESULT 1
303 #define CMAIL_NEW_RESULT 2
305 /* Telnet protocol constants */
316 safeStrCpy (char *dst, const char *src, size_t count)
319 assert( dst != NULL );
320 assert( src != NULL );
323 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
324 if( i == count && dst[count-1] != NULLCHAR)
326 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
327 if(appData.debugMode)
328 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
334 /* Some compiler can't cast u64 to double
335 * This function do the job for us:
337 * We use the highest bit for cast, this only
338 * works if the highest bit is not
339 * in use (This should not happen)
341 * We used this for all compiler
344 u64ToDouble (u64 value)
347 u64 tmp = value & u64Const(0x7fffffffffffffff);
348 r = (double)(s64)tmp;
349 if (value & u64Const(0x8000000000000000))
350 r += 9.2233720368547758080e18; /* 2^63 */
354 /* Fake up flags for now, as we aren't keeping track of castling
355 availability yet. [HGM] Change of logic: the flag now only
356 indicates the type of castlings allowed by the rule of the game.
357 The actual rights themselves are maintained in the array
358 castlingRights, as part of the game history, and are not probed
364 int flags = F_ALL_CASTLE_OK;
365 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
366 switch (gameInfo.variant) {
368 flags &= ~F_ALL_CASTLE_OK;
369 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
370 flags |= F_IGNORE_CHECK;
372 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
375 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
377 case VariantKriegspiel:
378 flags |= F_KRIEGSPIEL_CAPTURE;
380 case VariantCapaRandom:
381 case VariantFischeRandom:
382 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
383 case VariantNoCastle:
384 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP, *serverFP;
397 char *currentDebugFile; // [HGM] debug split: to remember name
400 [AS] Note: sometimes, the sscanf() function is used to parse the input
401 into a fixed-size buffer. Because of this, we must be prepared to
402 receive strings as long as the size of the input buffer, which is currently
403 set to 4K for Windows and 8K for the rest.
404 So, we must either allocate sufficiently large buffers here, or
405 reduce the size of the input buffer in the input reading part.
408 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
409 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
410 char thinkOutput1[MSG_SIZ*10];
412 ChessProgramState first, second, pairing;
414 /* premove variables */
417 int premoveFromX = 0;
418 int premoveFromY = 0;
419 int premovePromoChar = 0;
421 Boolean alarmSounded;
422 /* end premove variables */
424 char *ics_prefix = "$";
425 int ics_type = ICS_GENERIC;
427 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
428 int pauseExamForwardMostMove = 0;
429 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
430 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
431 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
432 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
433 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
434 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
435 int whiteFlag = FALSE, blackFlag = FALSE;
436 int userOfferedDraw = FALSE;
437 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
438 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
439 int cmailMoveType[CMAIL_MAX_GAMES];
440 long ics_clock_paused = 0;
441 ProcRef icsPR = NoProc, cmailPR = NoProc;
442 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
443 GameMode gameMode = BeginningOfGame;
444 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
445 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
446 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
447 int hiddenThinkOutputState = 0; /* [AS] */
448 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
449 int adjudicateLossPlies = 6;
450 char white_holding[64], black_holding[64];
451 TimeMark lastNodeCountTime;
452 long lastNodeCount=0;
453 int shiftKey, controlKey; // [HGM] set by mouse handler
455 int have_sent_ICS_logon = 0;
457 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
458 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
459 Boolean adjustedClock;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
463 int matchGame = 0, nextGame = 0, roundNr = 0;
464 Boolean waitingForGame = FALSE;
465 TimeMark programStartTime, pauseStart;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 Boolean shuffleOpenings;
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void PushInner P((int firstMove, int lastMove));
504 void PopInner P((Boolean annotate));
505 void CleanupTail P((void));
507 ChessSquare FIDEArray[2][BOARD_FILES] = {
508 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackKnight, BlackRook }
514 ChessSquare twoKingsArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackKing, BlackKnight, BlackRook }
521 ChessSquare KnightmateArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
523 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
524 { BlackRook, BlackMan, BlackBishop, BlackQueen,
525 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
528 ChessSquare SpartanArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
530 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
531 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
532 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
535 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
539 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
542 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
543 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
544 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
546 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
549 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
551 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackMan, BlackFerz,
553 BlackKing, BlackMan, BlackKnight, BlackRook }
557 #if (BOARD_FILES>=10)
558 ChessSquare ShogiArray[2][BOARD_FILES] = {
559 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
560 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
561 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
562 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
565 ChessSquare XiangqiArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
567 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
569 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
572 ChessSquare CapablancaArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
576 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
579 ChessSquare GreatArray[2][BOARD_FILES] = {
580 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
581 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
582 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
583 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
586 ChessSquare JanusArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
588 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
589 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
590 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
593 ChessSquare GrandArray[2][BOARD_FILES] = {
594 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
595 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
596 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
597 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
614 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
616 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating (char *str)
650 while(*str && !isdigit(*str)) ++str;
652 return 0; /* One of the special "no rating" cases */
660 /* Init programStats */
661 programStats.movelist[0] = 0;
662 programStats.depth = 0;
663 programStats.nr_moves = 0;
664 programStats.moves_left = 0;
665 programStats.nodes = 0;
666 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
667 programStats.score = 0;
668 programStats.got_only_move = 0;
669 programStats.got_fail = 0;
670 programStats.line_is_book = 0;
675 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
676 if (appData.firstPlaysBlack) {
677 first.twoMachinesColor = "black\n";
678 second.twoMachinesColor = "white\n";
680 first.twoMachinesColor = "white\n";
681 second.twoMachinesColor = "black\n";
684 first.other = &second;
685 second.other = &first;
688 if(appData.timeOddsMode) {
689 norm = appData.timeOdds[0];
690 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
692 first.timeOdds = appData.timeOdds[0]/norm;
693 second.timeOdds = appData.timeOdds[1]/norm;
696 if(programVersion) free(programVersion);
697 if (appData.noChessProgram) {
698 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
699 sprintf(programVersion, "%s", PACKAGE_STRING);
701 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
702 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
703 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
708 UnloadEngine (ChessProgramState *cps)
710 /* Kill off first chess program */
711 if (cps->isr != NULL)
712 RemoveInputSource(cps->isr);
715 if (cps->pr != NoProc) {
717 DoSleep( appData.delayBeforeQuit );
718 SendToProgram("quit\n", cps);
719 DoSleep( appData.delayAfterQuit );
720 DestroyChildProcess(cps->pr, cps->useSigterm);
723 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
727 ClearOptions (ChessProgramState *cps)
730 cps->nrOptions = cps->comboCnt = 0;
731 for(i=0; i<MAX_OPTIONS; i++) {
732 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
733 cps->option[i].textValue = 0;
737 char *engineNames[] = {
738 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
739 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
741 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
747 InitEngine (ChessProgramState *cps, int n)
748 { // [HGM] all engine initialiation put in a function that does one engine
752 cps->which = engineNames[n];
753 cps->maybeThinking = FALSE;
757 cps->sendDrawOffers = 1;
759 cps->program = appData.chessProgram[n];
760 cps->host = appData.host[n];
761 cps->dir = appData.directory[n];
762 cps->initString = appData.engInitString[n];
763 cps->computerString = appData.computerString[n];
764 cps->useSigint = TRUE;
765 cps->useSigterm = TRUE;
766 cps->reuse = appData.reuse[n];
767 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
768 cps->useSetboard = FALSE;
770 cps->usePing = FALSE;
773 cps->usePlayother = FALSE;
774 cps->useColors = TRUE;
775 cps->useUsermove = FALSE;
776 cps->sendICS = FALSE;
777 cps->sendName = appData.icsActive;
778 cps->sdKludge = FALSE;
779 cps->stKludge = FALSE;
780 TidyProgramName(cps->program, cps->host, cps->tidy);
782 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
783 cps->analysisSupport = 2; /* detect */
784 cps->analyzing = FALSE;
785 cps->initDone = FALSE;
787 /* New features added by Tord: */
788 cps->useFEN960 = FALSE;
789 cps->useOOCastle = TRUE;
790 /* End of new features added by Tord. */
791 cps->fenOverride = appData.fenOverride[n];
793 /* [HGM] time odds: set factor for each machine */
794 cps->timeOdds = appData.timeOdds[n];
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 cps->accumulateTC = appData.accumulateTC[n];
798 cps->maxNrOfSessions = 1;
803 cps->supportsNPS = UNKNOWN;
804 cps->memSize = FALSE;
805 cps->maxCores = FALSE;
806 cps->egtFormats[0] = NULLCHAR;
809 cps->optionSettings = appData.engOptions[n];
811 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
812 cps->isUCI = appData.isUCI[n]; /* [AS] */
813 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
815 if (appData.protocolVersion[n] > PROTOVER
816 || appData.protocolVersion[n] < 1)
821 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
822 appData.protocolVersion[n]);
823 if( (len >= MSG_SIZ) && appData.debugMode )
824 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
826 DisplayFatalError(buf, 0, 2);
830 cps->protocolVersion = appData.protocolVersion[n];
833 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ParseFeatures(appData.featureDefaults, cps);
837 ChessProgramState *savCps;
843 if(WaitForEngine(savCps, LoadEngine)) return;
844 CommonEngineInit(); // recalculate time odds
845 if(gameInfo.variant != StringToVariant(appData.variant)) {
846 // we changed variant when loading the engine; this forces us to reset
847 Reset(TRUE, savCps != &first);
848 EditGameEvent(); // for consistency with other path, as Reset changes mode
850 InitChessProgram(savCps, FALSE);
851 SendToProgram("force\n", savCps);
852 DisplayMessage("", "");
853 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
854 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
860 ReplaceEngine (ChessProgramState *cps, int n)
864 appData.noChessProgram = FALSE;
865 appData.clockMode = TRUE;
868 if(n) return; // only startup first engine immediately; second can wait
869 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
873 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
874 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
876 static char resetOptions[] =
877 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
878 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
879 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
880 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
883 FloatToFront(char **list, char *engineLine)
885 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
887 if(appData.recentEngines <= 0) return;
888 TidyProgramName(engineLine, "localhost", tidy+1);
889 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
890 strncpy(buf+1, *list, MSG_SIZ-50);
891 if(p = strstr(buf, tidy)) { // tidy name appears in list
892 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
893 while(*p++ = *++q); // squeeze out
895 strcat(tidy, buf+1); // put list behind tidy name
896 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
897 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
898 ASSIGN(*list, tidy+1);
901 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
904 Load (ChessProgramState *cps, int i)
906 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
907 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
908 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
909 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
910 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
911 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
912 appData.firstProtocolVersion = PROTOVER;
913 ParseArgsFromString(buf);
915 ReplaceEngine(cps, i);
916 FloatToFront(&appData.recentEngineList, engineLine);
920 while(q = strchr(p, SLASH)) p = q+1;
921 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
922 if(engineDir[0] != NULLCHAR) {
923 ASSIGN(appData.directory[i], engineDir); p = engineName;
924 } else if(p != engineName) { // derive directory from engine path, when not given
926 ASSIGN(appData.directory[i], engineName);
928 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
929 } else { ASSIGN(appData.directory[i], "."); }
931 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
932 snprintf(command, MSG_SIZ, "%s %s", p, params);
935 ASSIGN(appData.chessProgram[i], p);
936 appData.isUCI[i] = isUCI;
937 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
938 appData.hasOwnBookUCI[i] = hasBook;
939 if(!nickName[0]) useNick = FALSE;
940 if(useNick) ASSIGN(appData.pgnName[i], nickName);
944 q = firstChessProgramNames;
945 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
946 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
948 quote, p, quote, appData.directory[i],
949 useNick ? " -fn \"" : "",
950 useNick ? nickName : "",
952 v1 ? " -firstProtocolVersion 1" : "",
953 hasBook ? "" : " -fNoOwnBookUCI",
954 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
955 storeVariant ? " -variant " : "",
956 storeVariant ? VariantName(gameInfo.variant) : "");
957 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
958 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
959 if(insert != q) insert[-1] = NULLCHAR;
960 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
962 FloatToFront(&appData.recentEngineList, buf);
964 ReplaceEngine(cps, i);
970 int matched, min, sec;
972 * Parse timeControl resource
974 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
975 appData.movesPerSession)) {
977 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
978 DisplayFatalError(buf, 0, 2);
982 * Parse searchTime resource
984 if (*appData.searchTime != NULLCHAR) {
985 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
987 searchTime = min * 60;
988 } else if (matched == 2) {
989 searchTime = min * 60 + sec;
992 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
993 DisplayFatalError(buf, 0, 2);
1002 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1003 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1005 GetTimeMark(&programStartTime);
1006 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1007 appData.seedBase = random() + (random()<<15);
1008 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1010 ClearProgramStats();
1011 programStats.ok_to_send = 1;
1012 programStats.seen_stat = 0;
1015 * Initialize game list
1021 * Internet chess server status
1023 if (appData.icsActive) {
1024 appData.matchMode = FALSE;
1025 appData.matchGames = 0;
1027 appData.noChessProgram = !appData.zippyPlay;
1029 appData.zippyPlay = FALSE;
1030 appData.zippyTalk = FALSE;
1031 appData.noChessProgram = TRUE;
1033 if (*appData.icsHelper != NULLCHAR) {
1034 appData.useTelnet = TRUE;
1035 appData.telnetProgram = appData.icsHelper;
1038 appData.zippyTalk = appData.zippyPlay = FALSE;
1041 /* [AS] Initialize pv info list [HGM] and game state */
1045 for( i=0; i<=framePtr; i++ ) {
1046 pvInfoList[i].depth = -1;
1047 boards[i][EP_STATUS] = EP_NONE;
1048 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1054 /* [AS] Adjudication threshold */
1055 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1057 InitEngine(&first, 0);
1058 InitEngine(&second, 1);
1061 pairing.which = "pairing"; // pairing engine
1062 pairing.pr = NoProc;
1064 pairing.program = appData.pairingEngine;
1065 pairing.host = "localhost";
1068 if (appData.icsActive) {
1069 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1070 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1071 appData.clockMode = FALSE;
1072 first.sendTime = second.sendTime = 0;
1076 /* Override some settings from environment variables, for backward
1077 compatibility. Unfortunately it's not feasible to have the env
1078 vars just set defaults, at least in xboard. Ugh.
1080 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1085 if (!appData.icsActive) {
1089 /* Check for variants that are supported only in ICS mode,
1090 or not at all. Some that are accepted here nevertheless
1091 have bugs; see comments below.
1093 VariantClass variant = StringToVariant(appData.variant);
1095 case VariantBughouse: /* need four players and two boards */
1096 case VariantKriegspiel: /* need to hide pieces and move details */
1097 /* case VariantFischeRandom: (Fabien: moved below) */
1098 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1099 if( (len >= MSG_SIZ) && appData.debugMode )
1100 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1102 DisplayFatalError(buf, 0, 2);
1105 case VariantUnknown:
1106 case VariantLoadable:
1116 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1117 if( (len >= MSG_SIZ) && appData.debugMode )
1118 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1120 DisplayFatalError(buf, 0, 2);
1123 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1124 case VariantFairy: /* [HGM] TestLegality definitely off! */
1125 case VariantGothic: /* [HGM] should work */
1126 case VariantCapablanca: /* [HGM] should work */
1127 case VariantCourier: /* [HGM] initial forced moves not implemented */
1128 case VariantShogi: /* [HGM] could still mate with pawn drop */
1129 case VariantKnightmate: /* [HGM] should work */
1130 case VariantCylinder: /* [HGM] untested */
1131 case VariantFalcon: /* [HGM] untested */
1132 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1133 offboard interposition not understood */
1134 case VariantNormal: /* definitely works! */
1135 case VariantWildCastle: /* pieces not automatically shuffled */
1136 case VariantNoCastle: /* pieces not automatically shuffled */
1137 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1138 case VariantLosers: /* should work except for win condition,
1139 and doesn't know captures are mandatory */
1140 case VariantSuicide: /* should work except for win condition,
1141 and doesn't know captures are mandatory */
1142 case VariantGiveaway: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantTwoKings: /* should work */
1145 case VariantAtomic: /* should work except for win condition */
1146 case Variant3Check: /* should work except for win condition */
1147 case VariantShatranj: /* should work except for all win conditions */
1148 case VariantMakruk: /* should work except for draw countdown */
1149 case VariantBerolina: /* might work if TestLegality is off */
1150 case VariantCapaRandom: /* should work */
1151 case VariantJanus: /* should work */
1152 case VariantSuper: /* experimental */
1153 case VariantGreat: /* experimental, requires legality testing to be off */
1154 case VariantSChess: /* S-Chess, should work */
1155 case VariantGrand: /* should work */
1156 case VariantSpartan: /* should work */
1164 NextIntegerFromString (char ** str, long * value)
1169 while( *s == ' ' || *s == '\t' ) {
1175 if( *s >= '0' && *s <= '9' ) {
1176 while( *s >= '0' && *s <= '9' ) {
1177 *value = *value * 10 + (*s - '0');
1190 NextTimeControlFromString (char ** str, long * value)
1193 int result = NextIntegerFromString( str, &temp );
1196 *value = temp * 60; /* Minutes */
1197 if( **str == ':' ) {
1199 result = NextIntegerFromString( str, &temp );
1200 *value += temp; /* Seconds */
1208 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1209 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1210 int result = -1, type = 0; long temp, temp2;
1212 if(**str != ':') return -1; // old params remain in force!
1214 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1215 if( NextIntegerFromString( str, &temp ) ) return -1;
1216 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1219 /* time only: incremental or sudden-death time control */
1220 if(**str == '+') { /* increment follows; read it */
1222 if(**str == '!') type = *(*str)++; // Bronstein TC
1223 if(result = NextIntegerFromString( str, &temp2)) return -1;
1224 *inc = temp2 * 1000;
1225 if(**str == '.') { // read fraction of increment
1226 char *start = ++(*str);
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1229 while(start++ < *str) temp2 /= 10;
1233 *moves = 0; *tc = temp * 1000; *incType = type;
1237 (*str)++; /* classical time control */
1238 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1250 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1251 { /* [HGM] get time to add from the multi-session time-control string */
1252 int incType, moves=1; /* kludge to force reading of first session */
1253 long time, increment;
1256 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1258 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1259 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1260 if(movenr == -1) return time; /* last move before new session */
1261 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1262 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1263 if(!moves) return increment; /* current session is incremental */
1264 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1265 } while(movenr >= -1); /* try again for next session */
1267 return 0; // no new time quota on this move
1271 ParseTimeControl (char *tc, float ti, int mps)
1275 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1278 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1279 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1280 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1284 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1286 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1291 snprintf(buf, MSG_SIZ, ":%s", mytc);
1293 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1295 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1300 /* Parse second time control */
1303 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1311 timeControl_2 = tc2 * 1000;
1321 timeControl = tc1 * 1000;
1324 timeIncrement = ti * 1000; /* convert to ms */
1325 movesPerSession = 0;
1328 movesPerSession = mps;
1336 if (appData.debugMode) {
1337 fprintf(debugFP, "%s\n", programVersion);
1339 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1341 set_cont_sequence(appData.wrapContSeq);
1342 if (appData.matchGames > 0) {
1343 appData.matchMode = TRUE;
1344 } else if (appData.matchMode) {
1345 appData.matchGames = 1;
1347 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1348 appData.matchGames = appData.sameColorGames;
1349 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1350 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1351 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1354 if (appData.noChessProgram || first.protocolVersion == 1) {
1357 /* kludge: allow timeout for initial "feature" commands */
1359 DisplayMessage("", _("Starting chess program"));
1360 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1365 CalculateIndex (int index, int gameNr)
1366 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1368 if(index > 0) return index; // fixed nmber
1369 if(index == 0) return 1;
1370 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1371 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1376 LoadGameOrPosition (int gameNr)
1377 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1378 if (*appData.loadGameFile != NULLCHAR) {
1379 if (!LoadGameFromFile(appData.loadGameFile,
1380 CalculateIndex(appData.loadGameIndex, gameNr),
1381 appData.loadGameFile, FALSE)) {
1382 DisplayFatalError(_("Bad game file"), 0, 1);
1385 } else if (*appData.loadPositionFile != NULLCHAR) {
1386 if (!LoadPositionFromFile(appData.loadPositionFile,
1387 CalculateIndex(appData.loadPositionIndex, gameNr),
1388 appData.loadPositionFile)) {
1389 DisplayFatalError(_("Bad position file"), 0, 1);
1397 ReserveGame (int gameNr, char resChar)
1399 FILE *tf = fopen(appData.tourneyFile, "r+");
1400 char *p, *q, c, buf[MSG_SIZ];
1401 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1402 safeStrCpy(buf, lastMsg, MSG_SIZ);
1403 DisplayMessage(_("Pick new game"), "");
1404 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1405 ParseArgsFromFile(tf);
1406 p = q = appData.results;
1407 if(appData.debugMode) {
1408 char *r = appData.participants;
1409 fprintf(debugFP, "results = '%s'\n", p);
1410 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1411 fprintf(debugFP, "\n");
1413 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1415 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1416 safeStrCpy(q, p, strlen(p) + 2);
1417 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1418 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1420 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1423 fseek(tf, -(strlen(p)+4), SEEK_END);
1425 if(c != '"') // depending on DOS or Unix line endings we can be one off
1426 fseek(tf, -(strlen(p)+2), SEEK_END);
1427 else fseek(tf, -(strlen(p)+3), SEEK_END);
1428 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1429 DisplayMessage(buf, "");
1430 free(p); appData.results = q;
1431 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1432 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1433 int round = appData.defaultMatchGames * appData.tourneyType;
1434 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1435 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1436 UnloadEngine(&first); // next game belongs to other pairing;
1437 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1439 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1443 MatchEvent (int mode)
1444 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1446 if(matchMode) { // already in match mode: switch it off
1448 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1451 // if(gameMode != BeginningOfGame) {
1452 // DisplayError(_("You can only start a match from the initial position."), 0);
1456 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1457 /* Set up machine vs. machine match */
1459 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1460 if(appData.tourneyFile[0]) {
1462 if(nextGame > appData.matchGames) {
1464 if(strchr(appData.results, '*') == NULL) {
1466 appData.tourneyCycles++;
1467 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1469 NextTourneyGame(-1, &dummy);
1471 if(nextGame <= appData.matchGames) {
1472 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1474 ScheduleDelayedEvent(NextMatchGame, 10000);
1479 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1480 DisplayError(buf, 0);
1481 appData.tourneyFile[0] = 0;
1485 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1486 DisplayFatalError(_("Can't have a match with no chess programs"),
1491 matchGame = roundNr = 1;
1492 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1496 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1499 InitBackEnd3 P((void))
1501 GameMode initialMode;
1505 InitChessProgram(&first, startedFromSetupPosition);
1507 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1508 free(programVersion);
1509 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1510 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1511 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1514 if (appData.icsActive) {
1516 /* [DM] Make a console window if needed [HGM] merged ifs */
1522 if (*appData.icsCommPort != NULLCHAR)
1523 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1524 appData.icsCommPort);
1526 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1527 appData.icsHost, appData.icsPort);
1529 if( (len >= MSG_SIZ) && appData.debugMode )
1530 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1532 DisplayFatalError(buf, err, 1);
1537 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1539 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1540 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1541 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1542 } else if (appData.noChessProgram) {
1548 if (*appData.cmailGameName != NULLCHAR) {
1550 OpenLoopback(&cmailPR);
1552 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1556 DisplayMessage("", "");
1557 if (StrCaseCmp(appData.initialMode, "") == 0) {
1558 initialMode = BeginningOfGame;
1559 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1560 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1561 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1562 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1565 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1566 initialMode = TwoMachinesPlay;
1567 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1568 initialMode = AnalyzeFile;
1569 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1570 initialMode = AnalyzeMode;
1571 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1572 initialMode = MachinePlaysWhite;
1573 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1574 initialMode = MachinePlaysBlack;
1575 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1576 initialMode = EditGame;
1577 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1578 initialMode = EditPosition;
1579 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1580 initialMode = Training;
1582 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1583 if( (len >= MSG_SIZ) && appData.debugMode )
1584 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1586 DisplayFatalError(buf, 0, 2);
1590 if (appData.matchMode) {
1591 if(appData.tourneyFile[0]) { // start tourney from command line
1593 if(f = fopen(appData.tourneyFile, "r")) {
1594 ParseArgsFromFile(f); // make sure tourney parmeters re known
1596 appData.clockMode = TRUE;
1598 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1601 } else if (*appData.cmailGameName != NULLCHAR) {
1602 /* Set up cmail mode */
1603 ReloadCmailMsgEvent(TRUE);
1605 /* Set up other modes */
1606 if (initialMode == AnalyzeFile) {
1607 if (*appData.loadGameFile == NULLCHAR) {
1608 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1612 if (*appData.loadGameFile != NULLCHAR) {
1613 (void) LoadGameFromFile(appData.loadGameFile,
1614 appData.loadGameIndex,
1615 appData.loadGameFile, TRUE);
1616 } else if (*appData.loadPositionFile != NULLCHAR) {
1617 (void) LoadPositionFromFile(appData.loadPositionFile,
1618 appData.loadPositionIndex,
1619 appData.loadPositionFile);
1620 /* [HGM] try to make self-starting even after FEN load */
1621 /* to allow automatic setup of fairy variants with wtm */
1622 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1623 gameMode = BeginningOfGame;
1624 setboardSpoiledMachineBlack = 1;
1626 /* [HGM] loadPos: make that every new game uses the setup */
1627 /* from file as long as we do not switch variant */
1628 if(!blackPlaysFirst) {
1629 startedFromPositionFile = TRUE;
1630 CopyBoard(filePosition, boards[0]);
1633 if (initialMode == AnalyzeMode) {
1634 if (appData.noChessProgram) {
1635 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1638 if (appData.icsActive) {
1639 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1643 } else if (initialMode == AnalyzeFile) {
1644 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1645 ShowThinkingEvent();
1647 AnalysisPeriodicEvent(1);
1648 } else if (initialMode == MachinePlaysWhite) {
1649 if (appData.noChessProgram) {
1650 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1659 MachineWhiteEvent();
1660 } else if (initialMode == MachinePlaysBlack) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1666 if (appData.icsActive) {
1667 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1671 MachineBlackEvent();
1672 } else if (initialMode == TwoMachinesPlay) {
1673 if (appData.noChessProgram) {
1674 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1678 if (appData.icsActive) {
1679 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1684 } else if (initialMode == EditGame) {
1686 } else if (initialMode == EditPosition) {
1687 EditPositionEvent();
1688 } else if (initialMode == Training) {
1689 if (*appData.loadGameFile == NULLCHAR) {
1690 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1699 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1701 DisplayBook(current+1);
1703 MoveHistorySet( movelist, first, last, current, pvInfoList );
1705 EvalGraphSet( first, last, current, pvInfoList );
1707 MakeEngineOutputTitle();
1711 * Establish will establish a contact to a remote host.port.
1712 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1713 * used to talk to the host.
1714 * Returns 0 if okay, error code if not.
1721 if (*appData.icsCommPort != NULLCHAR) {
1722 /* Talk to the host through a serial comm port */
1723 return OpenCommPort(appData.icsCommPort, &icsPR);
1725 } else if (*appData.gateway != NULLCHAR) {
1726 if (*appData.remoteShell == NULLCHAR) {
1727 /* Use the rcmd protocol to run telnet program on a gateway host */
1728 snprintf(buf, sizeof(buf), "%s %s %s",
1729 appData.telnetProgram, appData.icsHost, appData.icsPort);
1730 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1733 /* Use the rsh program to run telnet program on a gateway host */
1734 if (*appData.remoteUser == NULLCHAR) {
1735 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1736 appData.gateway, appData.telnetProgram,
1737 appData.icsHost, appData.icsPort);
1739 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1740 appData.remoteShell, appData.gateway,
1741 appData.remoteUser, appData.telnetProgram,
1742 appData.icsHost, appData.icsPort);
1744 return StartChildProcess(buf, "", &icsPR);
1747 } else if (appData.useTelnet) {
1748 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1751 /* TCP socket interface differs somewhat between
1752 Unix and NT; handle details in the front end.
1754 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1759 EscapeExpand (char *p, char *q)
1760 { // [HGM] initstring: routine to shape up string arguments
1761 while(*p++ = *q++) if(p[-1] == '\\')
1763 case 'n': p[-1] = '\n'; break;
1764 case 'r': p[-1] = '\r'; break;
1765 case 't': p[-1] = '\t'; break;
1766 case '\\': p[-1] = '\\'; break;
1767 case 0: *p = 0; return;
1768 default: p[-1] = q[-1]; break;
1773 show_bytes (FILE *fp, char *buf, int count)
1776 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1777 fprintf(fp, "\\%03o", *buf & 0xff);
1786 /* Returns an errno value */
1788 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1790 char buf[8192], *p, *q, *buflim;
1791 int left, newcount, outcount;
1793 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1794 *appData.gateway != NULLCHAR) {
1795 if (appData.debugMode) {
1796 fprintf(debugFP, ">ICS: ");
1797 show_bytes(debugFP, message, count);
1798 fprintf(debugFP, "\n");
1800 return OutputToProcess(pr, message, count, outError);
1803 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1810 if (appData.debugMode) {
1811 fprintf(debugFP, ">ICS: ");
1812 show_bytes(debugFP, buf, newcount);
1813 fprintf(debugFP, "\n");
1815 outcount = OutputToProcess(pr, buf, newcount, outError);
1816 if (outcount < newcount) return -1; /* to be sure */
1823 } else if (((unsigned char) *p) == TN_IAC) {
1824 *q++ = (char) TN_IAC;
1831 if (appData.debugMode) {
1832 fprintf(debugFP, ">ICS: ");
1833 show_bytes(debugFP, buf, newcount);
1834 fprintf(debugFP, "\n");
1836 outcount = OutputToProcess(pr, buf, newcount, outError);
1837 if (outcount < newcount) return -1; /* to be sure */
1842 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1844 int outError, outCount;
1845 static int gotEof = 0;
1847 /* Pass data read from player on to ICS */
1850 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 } else if (count < 0) {
1855 RemoveInputSource(isr);
1856 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1857 } else if (gotEof++ > 0) {
1858 RemoveInputSource(isr);
1859 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1865 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1866 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1867 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1868 SendToICS("date\n");
1869 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1872 /* added routine for printf style output to ics */
1874 ics_printf (char *format, ...)
1876 char buffer[MSG_SIZ];
1879 va_start(args, format);
1880 vsnprintf(buffer, sizeof(buffer), format, args);
1881 buffer[sizeof(buffer)-1] = '\0';
1889 int count, outCount, outError;
1891 if (icsPR == NoProc) return;
1894 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1895 if (outCount < count) {
1896 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 /* This is used for sending logon scripts to the ICS. Sending
1901 without a delay causes problems when using timestamp on ICC
1902 (at least on my machine). */
1904 SendToICSDelayed (char *s, long msdelay)
1906 int count, outCount, outError;
1908 if (icsPR == NoProc) return;
1911 if (appData.debugMode) {
1912 fprintf(debugFP, ">ICS: ");
1913 show_bytes(debugFP, s, count);
1914 fprintf(debugFP, "\n");
1916 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1918 if (outCount < count) {
1919 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1924 /* Remove all highlighting escape sequences in s
1925 Also deletes any suffix starting with '('
1928 StripHighlightAndTitle (char *s)
1930 static char retbuf[MSG_SIZ];
1933 while (*s != NULLCHAR) {
1934 while (*s == '\033') {
1935 while (*s != NULLCHAR && !isalpha(*s)) s++;
1936 if (*s != NULLCHAR) s++;
1938 while (*s != NULLCHAR && *s != '\033') {
1939 if (*s == '(' || *s == '[') {
1950 /* Remove all highlighting escape sequences in s */
1952 StripHighlight (char *s)
1954 static char retbuf[MSG_SIZ];
1957 while (*s != NULLCHAR) {
1958 while (*s == '\033') {
1959 while (*s != NULLCHAR && !isalpha(*s)) s++;
1960 if (*s != NULLCHAR) s++;
1962 while (*s != NULLCHAR && *s != '\033') {
1970 char *variantNames[] = VARIANT_NAMES;
1972 VariantName (VariantClass v)
1974 return variantNames[v];
1978 /* Identify a variant from the strings the chess servers use or the
1979 PGN Variant tag names we use. */
1981 StringToVariant (char *e)
1985 VariantClass v = VariantNormal;
1986 int i, found = FALSE;
1992 /* [HGM] skip over optional board-size prefixes */
1993 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1994 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1995 while( *e++ != '_');
1998 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2002 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2003 if (StrCaseStr(e, variantNames[i])) {
2004 v = (VariantClass) i;
2011 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2012 || StrCaseStr(e, "wild/fr")
2013 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2014 v = VariantFischeRandom;
2015 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2016 (i = 1, p = StrCaseStr(e, "w"))) {
2018 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2025 case 0: /* FICS only, actually */
2027 /* Castling legal even if K starts on d-file */
2028 v = VariantWildCastle;
2033 /* Castling illegal even if K & R happen to start in
2034 normal positions. */
2035 v = VariantNoCastle;
2048 /* Castling legal iff K & R start in normal positions */
2054 /* Special wilds for position setup; unclear what to do here */
2055 v = VariantLoadable;
2058 /* Bizarre ICC game */
2059 v = VariantTwoKings;
2062 v = VariantKriegspiel;
2068 v = VariantFischeRandom;
2071 v = VariantCrazyhouse;
2074 v = VariantBughouse;
2080 /* Not quite the same as FICS suicide! */
2081 v = VariantGiveaway;
2087 v = VariantShatranj;
2090 /* Temporary names for future ICC types. The name *will* change in
2091 the next xboard/WinBoard release after ICC defines it. */
2129 v = VariantCapablanca;
2132 v = VariantKnightmate;
2138 v = VariantCylinder;
2144 v = VariantCapaRandom;
2147 v = VariantBerolina;
2159 /* Found "wild" or "w" in the string but no number;
2160 must assume it's normal chess. */
2164 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2165 if( (len >= MSG_SIZ) && appData.debugMode )
2166 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2168 DisplayError(buf, 0);
2174 if (appData.debugMode) {
2175 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2176 e, wnum, VariantName(v));
2181 static int leftover_start = 0, leftover_len = 0;
2182 char star_match[STAR_MATCH_N][MSG_SIZ];
2184 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2185 advance *index beyond it, and set leftover_start to the new value of
2186 *index; else return FALSE. If pattern contains the character '*', it
2187 matches any sequence of characters not containing '\r', '\n', or the
2188 character following the '*' (if any), and the matched sequence(s) are
2189 copied into star_match.
2192 looking_at ( char *buf, int *index, char *pattern)
2194 char *bufp = &buf[*index], *patternp = pattern;
2196 char *matchp = star_match[0];
2199 if (*patternp == NULLCHAR) {
2200 *index = leftover_start = bufp - buf;
2204 if (*bufp == NULLCHAR) return FALSE;
2205 if (*patternp == '*') {
2206 if (*bufp == *(patternp + 1)) {
2208 matchp = star_match[++star_count];
2212 } else if (*bufp == '\n' || *bufp == '\r') {
2214 if (*patternp == NULLCHAR)
2219 *matchp++ = *bufp++;
2223 if (*patternp != *bufp) return FALSE;
2230 SendToPlayer (char *data, int length)
2232 int error, outCount;
2233 outCount = OutputToProcess(NoProc, data, length, &error);
2234 if (outCount < length) {
2235 DisplayFatalError(_("Error writing to display"), error, 1);
2240 PackHolding (char packed[], char *holding)
2250 switch (runlength) {
2261 sprintf(q, "%d", runlength);
2273 /* Telnet protocol requests from the front end */
2275 TelnetRequest (unsigned char ddww, unsigned char option)
2277 unsigned char msg[3];
2278 int outCount, outError;
2280 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2282 if (appData.debugMode) {
2283 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2299 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2308 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2311 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2316 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2318 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DO, TN_ECHO);
2332 if (!appData.icsActive) return;
2333 TelnetRequest(TN_DONT, TN_ECHO);
2337 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2339 /* put the holdings sent to us by the server on the board holdings area */
2340 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2344 if(gameInfo.holdingsWidth < 2) return;
2345 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2346 return; // prevent overwriting by pre-board holdings
2348 if( (int)lowestPiece >= BlackPawn ) {
2351 holdingsStartRow = BOARD_HEIGHT-1;
2354 holdingsColumn = BOARD_WIDTH-1;
2355 countsColumn = BOARD_WIDTH-2;
2356 holdingsStartRow = 0;
2360 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2361 board[i][holdingsColumn] = EmptySquare;
2362 board[i][countsColumn] = (ChessSquare) 0;
2364 while( (p=*holdings++) != NULLCHAR ) {
2365 piece = CharToPiece( ToUpper(p) );
2366 if(piece == EmptySquare) continue;
2367 /*j = (int) piece - (int) WhitePawn;*/
2368 j = PieceToNumber(piece);
2369 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2370 if(j < 0) continue; /* should not happen */
2371 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2372 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2373 board[holdingsStartRow+j*direction][countsColumn]++;
2379 VariantSwitch (Board board, VariantClass newVariant)
2381 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2382 static Board oldBoard;
2384 startedFromPositionFile = FALSE;
2385 if(gameInfo.variant == newVariant) return;
2387 /* [HGM] This routine is called each time an assignment is made to
2388 * gameInfo.variant during a game, to make sure the board sizes
2389 * are set to match the new variant. If that means adding or deleting
2390 * holdings, we shift the playing board accordingly
2391 * This kludge is needed because in ICS observe mode, we get boards
2392 * of an ongoing game without knowing the variant, and learn about the
2393 * latter only later. This can be because of the move list we requested,
2394 * in which case the game history is refilled from the beginning anyway,
2395 * but also when receiving holdings of a crazyhouse game. In the latter
2396 * case we want to add those holdings to the already received position.
2400 if (appData.debugMode) {
2401 fprintf(debugFP, "Switch board from %s to %s\n",
2402 VariantName(gameInfo.variant), VariantName(newVariant));
2403 setbuf(debugFP, NULL);
2405 shuffleOpenings = 0; /* [HGM] shuffle */
2406 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2410 newWidth = 9; newHeight = 9;
2411 gameInfo.holdingsSize = 7;
2412 case VariantBughouse:
2413 case VariantCrazyhouse:
2414 newHoldingsWidth = 2; break;
2418 newHoldingsWidth = 2;
2419 gameInfo.holdingsSize = 8;
2422 case VariantCapablanca:
2423 case VariantCapaRandom:
2426 newHoldingsWidth = gameInfo.holdingsSize = 0;
2429 if(newWidth != gameInfo.boardWidth ||
2430 newHeight != gameInfo.boardHeight ||
2431 newHoldingsWidth != gameInfo.holdingsWidth ) {
2433 /* shift position to new playing area, if needed */
2434 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 for(i=0; i<newHeight; i++) {
2440 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2441 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2443 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2444 for(i=0; i<BOARD_HEIGHT; i++)
2445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2446 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2449 board[HOLDINGS_SET] = 0;
2450 gameInfo.boardWidth = newWidth;
2451 gameInfo.boardHeight = newHeight;
2452 gameInfo.holdingsWidth = newHoldingsWidth;
2453 gameInfo.variant = newVariant;
2454 InitDrawingSizes(-2, 0);
2455 } else gameInfo.variant = newVariant;
2456 CopyBoard(oldBoard, board); // remember correctly formatted board
2457 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2458 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2461 static int loggedOn = FALSE;
2463 /*-- Game start info cache: --*/
2465 char gs_kind[MSG_SIZ];
2466 static char player1Name[128] = "";
2467 static char player2Name[128] = "";
2468 static char cont_seq[] = "\n\\ ";
2469 static int player1Rating = -1;
2470 static int player2Rating = -1;
2471 /*----------------------------*/
2473 ColorClass curColor = ColorNormal;
2474 int suppressKibitz = 0;
2477 Boolean soughtPending = FALSE;
2478 Boolean seekGraphUp;
2479 #define MAX_SEEK_ADS 200
2481 char *seekAdList[MAX_SEEK_ADS];
2482 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2483 float tcList[MAX_SEEK_ADS];
2484 char colorList[MAX_SEEK_ADS];
2485 int nrOfSeekAds = 0;
2486 int minRating = 1010, maxRating = 2800;
2487 int hMargin = 10, vMargin = 20, h, w;
2488 extern int squareSize, lineGap;
2493 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2494 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2495 if(r < minRating+100 && r >=0 ) r = minRating+100;
2496 if(r > maxRating) r = maxRating;
2497 if(tc < 1.f) tc = 1.f;
2498 if(tc > 95.f) tc = 95.f;
2499 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2500 y = ((double)r - minRating)/(maxRating - minRating)
2501 * (h-vMargin-squareSize/8-1) + vMargin;
2502 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2503 if(strstr(seekAdList[i], " u ")) color = 1;
2504 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2505 !strstr(seekAdList[i], "bullet") &&
2506 !strstr(seekAdList[i], "blitz") &&
2507 !strstr(seekAdList[i], "standard") ) color = 2;
2508 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2509 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2513 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2515 char buf[MSG_SIZ], *ext = "";
2516 VariantClass v = StringToVariant(type);
2517 if(strstr(type, "wild")) {
2518 ext = type + 4; // append wild number
2519 if(v == VariantFischeRandom) type = "chess960"; else
2520 if(v == VariantLoadable) type = "setup"; else
2521 type = VariantName(v);
2523 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2524 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2525 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2526 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2527 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2528 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2529 seekNrList[nrOfSeekAds] = nr;
2530 zList[nrOfSeekAds] = 0;
2531 seekAdList[nrOfSeekAds++] = StrSave(buf);
2532 if(plot) PlotSeekAd(nrOfSeekAds-1);
2537 EraseSeekDot (int i)
2539 int x = xList[i], y = yList[i], d=squareSize/4, k;
2540 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2541 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2542 // now replot every dot that overlapped
2543 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2544 int xx = xList[k], yy = yList[k];
2545 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2546 DrawSeekDot(xx, yy, colorList[k]);
2551 RemoveSeekAd (int nr)
2554 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2556 if(seekAdList[i]) free(seekAdList[i]);
2557 seekAdList[i] = seekAdList[--nrOfSeekAds];
2558 seekNrList[i] = seekNrList[nrOfSeekAds];
2559 ratingList[i] = ratingList[nrOfSeekAds];
2560 colorList[i] = colorList[nrOfSeekAds];
2561 tcList[i] = tcList[nrOfSeekAds];
2562 xList[i] = xList[nrOfSeekAds];
2563 yList[i] = yList[nrOfSeekAds];
2564 zList[i] = zList[nrOfSeekAds];
2565 seekAdList[nrOfSeekAds] = NULL;
2571 MatchSoughtLine (char *line)
2573 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2574 int nr, base, inc, u=0; char dummy;
2576 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2577 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2579 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2580 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2581 // match: compact and save the line
2582 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2592 if(!seekGraphUp) return FALSE;
2593 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2594 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2596 DrawSeekBackground(0, 0, w, h);
2597 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2598 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2599 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2600 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2602 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2605 snprintf(buf, MSG_SIZ, "%d", i);
2606 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2609 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2610 for(i=1; i<100; i+=(i<10?1:5)) {
2611 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2612 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2613 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2615 snprintf(buf, MSG_SIZ, "%d", i);
2616 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2619 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2624 SeekGraphClick (ClickType click, int x, int y, int moving)
2626 static int lastDown = 0, displayed = 0, lastSecond;
2627 if(y < 0) return FALSE;
2628 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2629 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2630 if(!seekGraphUp) return FALSE;
2631 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2632 DrawPosition(TRUE, NULL);
2635 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2636 if(click == Release || moving) return FALSE;
2638 soughtPending = TRUE;
2639 SendToICS(ics_prefix);
2640 SendToICS("sought\n"); // should this be "sought all"?
2641 } else { // issue challenge based on clicked ad
2642 int dist = 10000; int i, closest = 0, second = 0;
2643 for(i=0; i<nrOfSeekAds; i++) {
2644 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2645 if(d < dist) { dist = d; closest = i; }
2646 second += (d - zList[i] < 120); // count in-range ads
2647 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2651 second = (second > 1);
2652 if(displayed != closest || second != lastSecond) {
2653 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2654 lastSecond = second; displayed = closest;
2656 if(click == Press) {
2657 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2660 } // on press 'hit', only show info
2661 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2662 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2663 SendToICS(ics_prefix);
2665 return TRUE; // let incoming board of started game pop down the graph
2666 } else if(click == Release) { // release 'miss' is ignored
2667 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2668 if(moving == 2) { // right up-click
2669 nrOfSeekAds = 0; // refresh graph
2670 soughtPending = TRUE;
2671 SendToICS(ics_prefix);
2672 SendToICS("sought\n"); // should this be "sought all"?
2675 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2676 // press miss or release hit 'pop down' seek graph
2677 seekGraphUp = FALSE;
2678 DrawPosition(TRUE, NULL);
2684 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2686 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2687 #define STARTED_NONE 0
2688 #define STARTED_MOVES 1
2689 #define STARTED_BOARD 2
2690 #define STARTED_OBSERVE 3
2691 #define STARTED_HOLDINGS 4
2692 #define STARTED_CHATTER 5
2693 #define STARTED_COMMENT 6
2694 #define STARTED_MOVES_NOHIDE 7
2696 static int started = STARTED_NONE;
2697 static char parse[20000];
2698 static int parse_pos = 0;
2699 static char buf[BUF_SIZE + 1];
2700 static int firstTime = TRUE, intfSet = FALSE;
2701 static ColorClass prevColor = ColorNormal;
2702 static int savingComment = FALSE;
2703 static int cmatch = 0; // continuation sequence match
2710 int backup; /* [DM] For zippy color lines */
2712 char talker[MSG_SIZ]; // [HGM] chat
2715 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2717 if (appData.debugMode) {
2719 fprintf(debugFP, "<ICS: ");
2720 show_bytes(debugFP, data, count);
2721 fprintf(debugFP, "\n");
2725 if (appData.debugMode) { int f = forwardMostMove;
2726 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2727 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2728 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2731 /* If last read ended with a partial line that we couldn't parse,
2732 prepend it to the new read and try again. */
2733 if (leftover_len > 0) {
2734 for (i=0; i<leftover_len; i++)
2735 buf[i] = buf[leftover_start + i];
2738 /* copy new characters into the buffer */
2739 bp = buf + leftover_len;
2740 buf_len=leftover_len;
2741 for (i=0; i<count; i++)
2744 if (data[i] == '\r')
2747 // join lines split by ICS?
2748 if (!appData.noJoin)
2751 Joining just consists of finding matches against the
2752 continuation sequence, and discarding that sequence
2753 if found instead of copying it. So, until a match
2754 fails, there's nothing to do since it might be the
2755 complete sequence, and thus, something we don't want
2758 if (data[i] == cont_seq[cmatch])
2761 if (cmatch == strlen(cont_seq))
2763 cmatch = 0; // complete match. just reset the counter
2766 it's possible for the ICS to not include the space
2767 at the end of the last word, making our [correct]
2768 join operation fuse two separate words. the server
2769 does this when the space occurs at the width setting.
2771 if (!buf_len || buf[buf_len-1] != ' ')
2782 match failed, so we have to copy what matched before
2783 falling through and copying this character. In reality,
2784 this will only ever be just the newline character, but
2785 it doesn't hurt to be precise.
2787 strncpy(bp, cont_seq, cmatch);
2799 buf[buf_len] = NULLCHAR;
2800 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2805 while (i < buf_len) {
2806 /* Deal with part of the TELNET option negotiation
2807 protocol. We refuse to do anything beyond the
2808 defaults, except that we allow the WILL ECHO option,
2809 which ICS uses to turn off password echoing when we are
2810 directly connected to it. We reject this option
2811 if localLineEditing mode is on (always on in xboard)
2812 and we are talking to port 23, which might be a real
2813 telnet server that will try to keep WILL ECHO on permanently.
2815 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2816 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2817 unsigned char option;
2819 switch ((unsigned char) buf[++i]) {
2821 if (appData.debugMode)
2822 fprintf(debugFP, "\n<WILL ");
2823 switch (option = (unsigned char) buf[++i]) {
2825 if (appData.debugMode)
2826 fprintf(debugFP, "ECHO ");
2827 /* Reply only if this is a change, according
2828 to the protocol rules. */
2829 if (remoteEchoOption) break;
2830 if (appData.localLineEditing &&
2831 atoi(appData.icsPort) == TN_PORT) {
2832 TelnetRequest(TN_DONT, TN_ECHO);
2835 TelnetRequest(TN_DO, TN_ECHO);
2836 remoteEchoOption = TRUE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", option);
2842 /* Whatever this is, we don't want it. */
2843 TelnetRequest(TN_DONT, option);
2848 if (appData.debugMode)
2849 fprintf(debugFP, "\n<WONT ");
2850 switch (option = (unsigned char) buf[++i]) {
2852 if (appData.debugMode)
2853 fprintf(debugFP, "ECHO ");
2854 /* Reply only if this is a change, according
2855 to the protocol rules. */
2856 if (!remoteEchoOption) break;
2858 TelnetRequest(TN_DONT, TN_ECHO);
2859 remoteEchoOption = FALSE;
2862 if (appData.debugMode)
2863 fprintf(debugFP, "%d ", (unsigned char) option);
2864 /* Whatever this is, it must already be turned
2865 off, because we never agree to turn on
2866 anything non-default, so according to the
2867 protocol rules, we don't reply. */
2872 if (appData.debugMode)
2873 fprintf(debugFP, "\n<DO ");
2874 switch (option = (unsigned char) buf[++i]) {
2876 /* Whatever this is, we refuse to do it. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "%d ", option);
2879 TelnetRequest(TN_WONT, option);
2884 if (appData.debugMode)
2885 fprintf(debugFP, "\n<DONT ");
2886 switch (option = (unsigned char) buf[++i]) {
2888 if (appData.debugMode)
2889 fprintf(debugFP, "%d ", option);
2890 /* Whatever this is, we are already not doing
2891 it, because we never agree to do anything
2892 non-default, so according to the protocol
2893 rules, we don't reply. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "\n<IAC ");
2900 /* Doubled IAC; pass it through */
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2906 /* Drop all other telnet commands on the floor */
2909 if (oldi > next_out)
2910 SendToPlayer(&buf[next_out], oldi - next_out);
2916 /* OK, this at least will *usually* work */
2917 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2921 if (loggedOn && !intfSet) {
2922 if (ics_type == ICS_ICC) {
2923 snprintf(str, MSG_SIZ,
2924 "/set-quietly interface %s\n/set-quietly style 12\n",
2926 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2927 strcat(str, "/set-2 51 1\n/set seek 1\n");
2928 } else if (ics_type == ICS_CHESSNET) {
2929 snprintf(str, MSG_SIZ, "/style 12\n");
2931 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2932 strcat(str, programVersion);
2933 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2934 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2935 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2937 strcat(str, "$iset nohighlight 1\n");
2939 strcat(str, "$iset lock 1\n$style 12\n");
2942 NotifyFrontendLogin();
2946 if (started == STARTED_COMMENT) {
2947 /* Accumulate characters in comment */
2948 parse[parse_pos++] = buf[i];
2949 if (buf[i] == '\n') {
2950 parse[parse_pos] = NULLCHAR;
2951 if(chattingPartner>=0) {
2953 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2954 OutputChatMessage(chattingPartner, mess);
2955 chattingPartner = -1;
2956 next_out = i+1; // [HGM] suppress printing in ICS window
2958 if(!suppressKibitz) // [HGM] kibitz
2959 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2960 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2961 int nrDigit = 0, nrAlph = 0, j;
2962 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2963 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2964 parse[parse_pos] = NULLCHAR;
2965 // try to be smart: if it does not look like search info, it should go to
2966 // ICS interaction window after all, not to engine-output window.
2967 for(j=0; j<parse_pos; j++) { // count letters and digits
2968 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2969 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2970 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2972 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2973 int depth=0; float score;
2974 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2975 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2976 pvInfoList[forwardMostMove-1].depth = depth;
2977 pvInfoList[forwardMostMove-1].score = 100*score;
2979 OutputKibitz(suppressKibitz, parse);
2982 if(gameMode == IcsObserving) // restore original ICS messages
2983 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2985 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2986 SendToPlayer(tmp, strlen(tmp));
2988 next_out = i+1; // [HGM] suppress printing in ICS window
2990 started = STARTED_NONE;
2992 /* Don't match patterns against characters in comment */
2997 if (started == STARTED_CHATTER) {
2998 if (buf[i] != '\n') {
2999 /* Don't match patterns against characters in chatter */
3003 started = STARTED_NONE;
3004 if(suppressKibitz) next_out = i+1;
3007 /* Kludge to deal with rcmd protocol */
3008 if (firstTime && looking_at(buf, &i, "\001*")) {
3009 DisplayFatalError(&buf[1], 0, 1);
3015 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3018 if (appData.debugMode)
3019 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3023 ics_type = ICS_FICS;
3025 if (appData.debugMode)
3026 fprintf(debugFP, "ics_type %d\n", ics_type);
3029 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3030 ics_type = ICS_CHESSNET;
3032 if (appData.debugMode)
3033 fprintf(debugFP, "ics_type %d\n", ics_type);
3038 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3039 looking_at(buf, &i, "Logging you in as \"*\"") ||
3040 looking_at(buf, &i, "will be \"*\""))) {
3041 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3045 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3047 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3048 DisplayIcsInteractionTitle(buf);
3049 have_set_title = TRUE;
3052 /* skip finger notes */
3053 if (started == STARTED_NONE &&
3054 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3055 (buf[i] == '1' && buf[i+1] == '0')) &&
3056 buf[i+2] == ':' && buf[i+3] == ' ') {
3057 started = STARTED_CHATTER;
3063 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3064 if(appData.seekGraph) {
3065 if(soughtPending && MatchSoughtLine(buf+i)) {
3066 i = strstr(buf+i, "rated") - buf;
3067 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3068 next_out = leftover_start = i;
3069 started = STARTED_CHATTER;
3070 suppressKibitz = TRUE;
3073 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3074 && looking_at(buf, &i, "* ads displayed")) {
3075 soughtPending = FALSE;
3080 if(appData.autoRefresh) {
3081 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3082 int s = (ics_type == ICS_ICC); // ICC format differs
3084 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3085 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3086 looking_at(buf, &i, "*% "); // eat prompt
3087 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = i; // suppress
3092 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3093 char *p = star_match[0];
3095 if(seekGraphUp) RemoveSeekAd(atoi(p));
3096 while(*p && *p++ != ' '); // next
3098 looking_at(buf, &i, "*% "); // eat prompt
3099 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3106 /* skip formula vars */
3107 if (started == STARTED_NONE &&
3108 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3109 started = STARTED_CHATTER;
3114 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3115 if (appData.autoKibitz && started == STARTED_NONE &&
3116 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3117 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3118 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3119 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3120 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3121 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3122 suppressKibitz = TRUE;
3123 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3125 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3126 && (gameMode == IcsPlayingWhite)) ||
3127 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3128 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3129 started = STARTED_CHATTER; // own kibitz we simply discard
3131 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3132 parse_pos = 0; parse[0] = NULLCHAR;
3133 savingComment = TRUE;
3134 suppressKibitz = gameMode != IcsObserving ? 2 :
3135 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3139 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3140 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3141 && atoi(star_match[0])) {
3142 // suppress the acknowledgements of our own autoKibitz
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3145 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3146 SendToPlayer(star_match[0], strlen(star_match[0]));
3147 if(looking_at(buf, &i, "*% ")) // eat prompt
3148 suppressKibitz = FALSE;
3152 } // [HGM] kibitz: end of patch
3154 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3156 // [HGM] chat: intercept tells by users for which we have an open chat window
3158 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3159 looking_at(buf, &i, "* whispers:") ||
3160 looking_at(buf, &i, "* kibitzes:") ||
3161 looking_at(buf, &i, "* shouts:") ||
3162 looking_at(buf, &i, "* c-shouts:") ||
3163 looking_at(buf, &i, "--> * ") ||
3164 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3167 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3169 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3170 chattingPartner = -1;
3172 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3175 talker[0] = '['; strcat(talker, "] ");
3176 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3177 chattingPartner = p; break;
3180 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3181 for(p=0; p<MAX_CHAT; p++) {
3182 if(!strcmp("kibitzes", chatPartner[p])) {
3183 talker[0] = '['; strcat(talker, "] ");
3184 chattingPartner = p; break;
3187 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3188 for(p=0; p<MAX_CHAT; p++) {
3189 if(!strcmp("whispers", chatPartner[p])) {
3190 talker[0] = '['; strcat(talker, "] ");
3191 chattingPartner = p; break;
3194 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3195 if(buf[i-8] == '-' && buf[i-3] == 't')
3196 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3197 if(!strcmp("c-shouts", chatPartner[p])) {
3198 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3199 chattingPartner = p; break;
3202 if(chattingPartner < 0)
3203 for(p=0; p<MAX_CHAT; p++) {
3204 if(!strcmp("shouts", chatPartner[p])) {
3205 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3206 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3207 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3208 chattingPartner = p; break;
3212 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3213 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3214 talker[0] = 0; Colorize(ColorTell, FALSE);
3215 chattingPartner = p; break;
3217 if(chattingPartner<0) i = oldi; else {
3218 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3219 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 started = STARTED_COMMENT;
3222 parse_pos = 0; parse[0] = NULLCHAR;
3223 savingComment = 3 + chattingPartner; // counts as TRUE
3224 suppressKibitz = TRUE;
3227 } // [HGM] chat: end of patch
3230 if (appData.zippyTalk || appData.zippyPlay) {
3231 /* [DM] Backup address for color zippy lines */
3233 if (loggedOn == TRUE)
3234 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3235 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3237 } // [DM] 'else { ' deleted
3239 /* Regular tells and says */
3240 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3241 looking_at(buf, &i, "* (your partner) tells you: ") ||
3242 looking_at(buf, &i, "* says: ") ||
3243 /* Don't color "message" or "messages" output */
3244 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3245 looking_at(buf, &i, "*. * at *:*: ") ||
3246 looking_at(buf, &i, "--* (*:*): ") ||
3247 /* Message notifications (same color as tells) */
3248 looking_at(buf, &i, "* has left a message ") ||
3249 looking_at(buf, &i, "* just sent you a message:\n") ||
3250 /* Whispers and kibitzes */
3251 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3252 looking_at(buf, &i, "* kibitzes: ") ||
3254 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3256 if (tkind == 1 && strchr(star_match[0], ':')) {
3257 /* Avoid "tells you:" spoofs in channels */
3260 if (star_match[0][0] == NULLCHAR ||
3261 strchr(star_match[0], ' ') ||
3262 (tkind == 3 && strchr(star_match[1], ' '))) {
3263 /* Reject bogus matches */
3266 if (appData.colorize) {
3267 if (oldi > next_out) {
3268 SendToPlayer(&buf[next_out], oldi - next_out);
3273 Colorize(ColorTell, FALSE);
3274 curColor = ColorTell;
3277 Colorize(ColorKibitz, FALSE);
3278 curColor = ColorKibitz;
3281 p = strrchr(star_match[1], '(');
3288 Colorize(ColorChannel1, FALSE);
3289 curColor = ColorChannel1;
3291 Colorize(ColorChannel, FALSE);
3292 curColor = ColorChannel;
3296 curColor = ColorNormal;
3300 if (started == STARTED_NONE && appData.autoComment &&
3301 (gameMode == IcsObserving ||
3302 gameMode == IcsPlayingWhite ||
3303 gameMode == IcsPlayingBlack)) {
3304 parse_pos = i - oldi;
3305 memcpy(parse, &buf[oldi], parse_pos);
3306 parse[parse_pos] = NULLCHAR;
3307 started = STARTED_COMMENT;
3308 savingComment = TRUE;
3310 started = STARTED_CHATTER;
3311 savingComment = FALSE;
3318 if (looking_at(buf, &i, "* s-shouts: ") ||
3319 looking_at(buf, &i, "* c-shouts: ")) {
3320 if (appData.colorize) {
3321 if (oldi > next_out) {
3322 SendToPlayer(&buf[next_out], oldi - next_out);
3325 Colorize(ColorSShout, FALSE);
3326 curColor = ColorSShout;
3329 started = STARTED_CHATTER;
3333 if (looking_at(buf, &i, "--->")) {
3338 if (looking_at(buf, &i, "* shouts: ") ||
3339 looking_at(buf, &i, "--> ")) {
3340 if (appData.colorize) {
3341 if (oldi > next_out) {
3342 SendToPlayer(&buf[next_out], oldi - next_out);
3345 Colorize(ColorShout, FALSE);
3346 curColor = ColorShout;
3349 started = STARTED_CHATTER;
3353 if (looking_at( buf, &i, "Challenge:")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorChallenge, FALSE);
3360 curColor = ColorChallenge;
3366 if (looking_at(buf, &i, "* offers you") ||
3367 looking_at(buf, &i, "* offers to be") ||
3368 looking_at(buf, &i, "* would like to") ||
3369 looking_at(buf, &i, "* requests to") ||
3370 looking_at(buf, &i, "Your opponent offers") ||
3371 looking_at(buf, &i, "Your opponent requests")) {
3373 if (appData.colorize) {
3374 if (oldi > next_out) {
3375 SendToPlayer(&buf[next_out], oldi - next_out);
3378 Colorize(ColorRequest, FALSE);
3379 curColor = ColorRequest;
3384 if (looking_at(buf, &i, "* (*) seeking")) {
3385 if (appData.colorize) {
3386 if (oldi > next_out) {
3387 SendToPlayer(&buf[next_out], oldi - next_out);
3390 Colorize(ColorSeek, FALSE);
3391 curColor = ColorSeek;
3396 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3398 if (looking_at(buf, &i, "\\ ")) {
3399 if (prevColor != ColorNormal) {
3400 if (oldi > next_out) {
3401 SendToPlayer(&buf[next_out], oldi - next_out);
3404 Colorize(prevColor, TRUE);
3405 curColor = prevColor;
3407 if (savingComment) {
3408 parse_pos = i - oldi;
3409 memcpy(parse, &buf[oldi], parse_pos);
3410 parse[parse_pos] = NULLCHAR;
3411 started = STARTED_COMMENT;
3412 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3413 chattingPartner = savingComment - 3; // kludge to remember the box
3415 started = STARTED_CHATTER;
3420 if (looking_at(buf, &i, "Black Strength :") ||
3421 looking_at(buf, &i, "<<< style 10 board >>>") ||
3422 looking_at(buf, &i, "<10>") ||
3423 looking_at(buf, &i, "#@#")) {
3424 /* Wrong board style */
3426 SendToICS(ics_prefix);
3427 SendToICS("set style 12\n");
3428 SendToICS(ics_prefix);
3429 SendToICS("refresh\n");
3433 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3435 have_sent_ICS_logon = 1;
3439 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3440 (looking_at(buf, &i, "\n<12> ") ||
3441 looking_at(buf, &i, "<12> "))) {
3443 if (oldi > next_out) {
3444 SendToPlayer(&buf[next_out], oldi - next_out);
3447 started = STARTED_BOARD;
3452 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3453 looking_at(buf, &i, "<b1> ")) {
3454 if (oldi > next_out) {
3455 SendToPlayer(&buf[next_out], oldi - next_out);
3458 started = STARTED_HOLDINGS;
3463 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3465 /* Header for a move list -- first line */
3467 switch (ics_getting_history) {
3471 case BeginningOfGame:
3472 /* User typed "moves" or "oldmoves" while we
3473 were idle. Pretend we asked for these
3474 moves and soak them up so user can step
3475 through them and/or save them.
3478 gameMode = IcsObserving;
3481 ics_getting_history = H_GOT_UNREQ_HEADER;
3483 case EditGame: /*?*/
3484 case EditPosition: /*?*/
3485 /* Should above feature work in these modes too? */
3486 /* For now it doesn't */
3487 ics_getting_history = H_GOT_UNWANTED_HEADER;
3490 ics_getting_history = H_GOT_UNWANTED_HEADER;
3495 /* Is this the right one? */
3496 if (gameInfo.white && gameInfo.black &&
3497 strcmp(gameInfo.white, star_match[0]) == 0 &&
3498 strcmp(gameInfo.black, star_match[2]) == 0) {
3500 ics_getting_history = H_GOT_REQ_HEADER;
3503 case H_GOT_REQ_HEADER:
3504 case H_GOT_UNREQ_HEADER:
3505 case H_GOT_UNWANTED_HEADER:
3506 case H_GETTING_MOVES:
3507 /* Should not happen */
3508 DisplayError(_("Error gathering move list: two headers"), 0);
3509 ics_getting_history = H_FALSE;
3513 /* Save player ratings into gameInfo if needed */
3514 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3515 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3516 (gameInfo.whiteRating == -1 ||
3517 gameInfo.blackRating == -1)) {
3519 gameInfo.whiteRating = string_to_rating(star_match[1]);
3520 gameInfo.blackRating = string_to_rating(star_match[3]);
3521 if (appData.debugMode)
3522 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3523 gameInfo.whiteRating, gameInfo.blackRating);
3528 if (looking_at(buf, &i,
3529 "* * match, initial time: * minute*, increment: * second")) {
3530 /* Header for a move list -- second line */
3531 /* Initial board will follow if this is a wild game */
3532 if (gameInfo.event != NULL) free(gameInfo.event);
3533 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3534 gameInfo.event = StrSave(str);
3535 /* [HGM] we switched variant. Translate boards if needed. */
3536 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3540 if (looking_at(buf, &i, "Move ")) {
3541 /* Beginning of a move list */
3542 switch (ics_getting_history) {
3544 /* Normally should not happen */
3545 /* Maybe user hit reset while we were parsing */
3548 /* Happens if we are ignoring a move list that is not
3549 * the one we just requested. Common if the user
3550 * tries to observe two games without turning off
3553 case H_GETTING_MOVES:
3554 /* Should not happen */
3555 DisplayError(_("Error gathering move list: nested"), 0);
3556 ics_getting_history = H_FALSE;
3558 case H_GOT_REQ_HEADER:
3559 ics_getting_history = H_GETTING_MOVES;
3560 started = STARTED_MOVES;
3562 if (oldi > next_out) {
3563 SendToPlayer(&buf[next_out], oldi - next_out);
3566 case H_GOT_UNREQ_HEADER:
3567 ics_getting_history = H_GETTING_MOVES;
3568 started = STARTED_MOVES_NOHIDE;
3571 case H_GOT_UNWANTED_HEADER:
3572 ics_getting_history = H_FALSE;
3578 if (looking_at(buf, &i, "% ") ||
3579 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3580 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3581 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3582 soughtPending = FALSE;
3586 if(suppressKibitz) next_out = i;
3587 savingComment = FALSE;
3591 case STARTED_MOVES_NOHIDE:
3592 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3593 parse[parse_pos + i - oldi] = NULLCHAR;
3594 ParseGameHistory(parse);
3596 if (appData.zippyPlay && first.initDone) {
3597 FeedMovesToProgram(&first, forwardMostMove);
3598 if (gameMode == IcsPlayingWhite) {
3599 if (WhiteOnMove(forwardMostMove)) {
3600 if (first.sendTime) {
3601 if (first.useColors) {
3602 SendToProgram("black\n", &first);
3604 SendTimeRemaining(&first, TRUE);
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3609 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3610 first.maybeThinking = TRUE;
3612 if (first.usePlayother) {
3613 if (first.sendTime) {
3614 SendTimeRemaining(&first, TRUE);
3616 SendToProgram("playother\n", &first);
3622 } else if (gameMode == IcsPlayingBlack) {
3623 if (!WhiteOnMove(forwardMostMove)) {
3624 if (first.sendTime) {
3625 if (first.useColors) {
3626 SendToProgram("white\n", &first);
3628 SendTimeRemaining(&first, FALSE);
3630 if (first.useColors) {
3631 SendToProgram("black\n", &first);
3633 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3634 first.maybeThinking = TRUE;
3636 if (first.usePlayother) {
3637 if (first.sendTime) {
3638 SendTimeRemaining(&first, FALSE);
3640 SendToProgram("playother\n", &first);
3649 if (gameMode == IcsObserving && ics_gamenum == -1) {
3650 /* Moves came from oldmoves or moves command
3651 while we weren't doing anything else.
3653 currentMove = forwardMostMove;
3654 ClearHighlights();/*!!could figure this out*/
3655 flipView = appData.flipView;
3656 DrawPosition(TRUE, boards[currentMove]);
3657 DisplayBothClocks();
3658 snprintf(str, MSG_SIZ, "%s %s %s",
3659 gameInfo.white, _("vs."), gameInfo.black);
3663 /* Moves were history of an active game */
3664 if (gameInfo.resultDetails != NULL) {
3665 free(gameInfo.resultDetails);
3666 gameInfo.resultDetails = NULL;
3669 HistorySet(parseList, backwardMostMove,
3670 forwardMostMove, currentMove-1);
3671 DisplayMove(currentMove - 1);
3672 if (started == STARTED_MOVES) next_out = i;
3673 started = STARTED_NONE;
3674 ics_getting_history = H_FALSE;
3677 case STARTED_OBSERVE:
3678 started = STARTED_NONE;
3679 SendToICS(ics_prefix);
3680 SendToICS("refresh\n");
3686 if(bookHit) { // [HGM] book: simulate book reply
3687 static char bookMove[MSG_SIZ]; // a bit generous?
3689 programStats.nodes = programStats.depth = programStats.time =
3690 programStats.score = programStats.got_only_move = 0;
3691 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3693 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3694 strcat(bookMove, bookHit);
3695 HandleMachineMove(bookMove, &first);
3700 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3701 started == STARTED_HOLDINGS ||
3702 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3703 /* Accumulate characters in move list or board */
3704 parse[parse_pos++] = buf[i];
3707 /* Start of game messages. Mostly we detect start of game
3708 when the first board image arrives. On some versions
3709 of the ICS, though, we need to do a "refresh" after starting
3710 to observe in order to get the current board right away. */
3711 if (looking_at(buf, &i, "Adding game * to observation list")) {
3712 started = STARTED_OBSERVE;
3716 /* Handle auto-observe */
3717 if (appData.autoObserve &&
3718 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3719 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3721 /* Choose the player that was highlighted, if any. */
3722 if (star_match[0][0] == '\033' ||
3723 star_match[1][0] != '\033') {
3724 player = star_match[0];
3726 player = star_match[2];
3728 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3729 ics_prefix, StripHighlightAndTitle(player));
3732 /* Save ratings from notify string */
3733 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3734 player1Rating = string_to_rating(star_match[1]);
3735 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3736 player2Rating = string_to_rating(star_match[3]);
3738 if (appData.debugMode)
3740 "Ratings from 'Game notification:' %s %d, %s %d\n",
3741 player1Name, player1Rating,
3742 player2Name, player2Rating);
3747 /* Deal with automatic examine mode after a game,
3748 and with IcsObserving -> IcsExamining transition */
3749 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3750 looking_at(buf, &i, "has made you an examiner of game *")) {
3752 int gamenum = atoi(star_match[0]);
3753 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3754 gamenum == ics_gamenum) {
3755 /* We were already playing or observing this game;
3756 no need to refetch history */
3757 gameMode = IcsExamining;
3759 pauseExamForwardMostMove = forwardMostMove;
3760 } else if (currentMove < forwardMostMove) {
3761 ForwardInner(forwardMostMove);
3764 /* I don't think this case really can happen */
3765 SendToICS(ics_prefix);
3766 SendToICS("refresh\n");
3771 /* Error messages */
3772 // if (ics_user_moved) {
3773 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3774 if (looking_at(buf, &i, "Illegal move") ||
3775 looking_at(buf, &i, "Not a legal move") ||
3776 looking_at(buf, &i, "Your king is in check") ||
3777 looking_at(buf, &i, "It isn't your turn") ||
3778 looking_at(buf, &i, "It is not your move")) {
3780 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3781 currentMove = forwardMostMove-1;
3782 DisplayMove(currentMove - 1); /* before DMError */
3783 DrawPosition(FALSE, boards[currentMove]);
3784 SwitchClocks(forwardMostMove-1); // [HGM] race
3785 DisplayBothClocks();
3787 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3793 if (looking_at(buf, &i, "still have time") ||
3794 looking_at(buf, &i, "not out of time") ||
3795 looking_at(buf, &i, "either player is out of time") ||
3796 looking_at(buf, &i, "has timeseal; checking")) {
3797 /* We must have called his flag a little too soon */
3798 whiteFlag = blackFlag = FALSE;
3802 if (looking_at(buf, &i, "added * seconds to") ||
3803 looking_at(buf, &i, "seconds were added to")) {
3804 /* Update the clocks */
3805 SendToICS(ics_prefix);
3806 SendToICS("refresh\n");
3810 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3811 ics_clock_paused = TRUE;
3816 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3817 ics_clock_paused = FALSE;
3822 /* Grab player ratings from the Creating: message.
3823 Note we have to check for the special case when
3824 the ICS inserts things like [white] or [black]. */
3825 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3826 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3828 0 player 1 name (not necessarily white)
3830 2 empty, white, or black (IGNORED)
3831 3 player 2 name (not necessarily black)
3834 The names/ratings are sorted out when the game
3835 actually starts (below).
3837 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3838 player1Rating = string_to_rating(star_match[1]);
3839 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3840 player2Rating = string_to_rating(star_match[4]);
3842 if (appData.debugMode)
3844 "Ratings from 'Creating:' %s %d, %s %d\n",
3845 player1Name, player1Rating,
3846 player2Name, player2Rating);
3851 /* Improved generic start/end-of-game messages */
3852 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3853 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3854 /* If tkind == 0: */
3855 /* star_match[0] is the game number */
3856 /* [1] is the white player's name */
3857 /* [2] is the black player's name */
3858 /* For end-of-game: */
3859 /* [3] is the reason for the game end */
3860 /* [4] is a PGN end game-token, preceded by " " */
3861 /* For start-of-game: */
3862 /* [3] begins with "Creating" or "Continuing" */
3863 /* [4] is " *" or empty (don't care). */
3864 int gamenum = atoi(star_match[0]);
3865 char *whitename, *blackname, *why, *endtoken;
3866 ChessMove endtype = EndOfFile;
3869 whitename = star_match[1];
3870 blackname = star_match[2];
3871 why = star_match[3];
3872 endtoken = star_match[4];
3874 whitename = star_match[1];
3875 blackname = star_match[3];
3876 why = star_match[5];
3877 endtoken = star_match[6];
3880 /* Game start messages */
3881 if (strncmp(why, "Creating ", 9) == 0 ||
3882 strncmp(why, "Continuing ", 11) == 0) {
3883 gs_gamenum = gamenum;
3884 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3885 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3886 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3888 if (appData.zippyPlay) {
3889 ZippyGameStart(whitename, blackname);
3892 partnerBoardValid = FALSE; // [HGM] bughouse
3896 /* Game end messages */
3897 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3898 ics_gamenum != gamenum) {
3901 while (endtoken[0] == ' ') endtoken++;
3902 switch (endtoken[0]) {
3905 endtype = GameUnfinished;
3908 endtype = BlackWins;
3911 if (endtoken[1] == '/')
3912 endtype = GameIsDrawn;
3914 endtype = WhiteWins;
3917 GameEnds(endtype, why, GE_ICS);
3919 if (appData.zippyPlay && first.initDone) {
3920 ZippyGameEnd(endtype, why);
3921 if (first.pr == NoProc) {
3922 /* Start the next process early so that we'll
3923 be ready for the next challenge */
3924 StartChessProgram(&first);
3926 /* Send "new" early, in case this command takes
3927 a long time to finish, so that we'll be ready
3928 for the next challenge. */
3929 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3933 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3937 if (looking_at(buf, &i, "Removing game * from observation") ||
3938 looking_at(buf, &i, "no longer observing game *") ||
3939 looking_at(buf, &i, "Game * (*) has no examiners")) {
3940 if (gameMode == IcsObserving &&
3941 atoi(star_match[0]) == ics_gamenum)
3943 /* icsEngineAnalyze */
3944 if (appData.icsEngineAnalyze) {
3951 ics_user_moved = FALSE;
3956 if (looking_at(buf, &i, "no longer examining game *")) {
3957 if (gameMode == IcsExamining &&
3958 atoi(star_match[0]) == ics_gamenum)
3962 ics_user_moved = FALSE;
3967 /* Advance leftover_start past any newlines we find,
3968 so only partial lines can get reparsed */
3969 if (looking_at(buf, &i, "\n")) {
3970 prevColor = curColor;
3971 if (curColor != ColorNormal) {
3972 if (oldi > next_out) {
3973 SendToPlayer(&buf[next_out], oldi - next_out);
3976 Colorize(ColorNormal, FALSE);
3977 curColor = ColorNormal;
3979 if (started == STARTED_BOARD) {
3980 started = STARTED_NONE;
3981 parse[parse_pos] = NULLCHAR;
3982 ParseBoard12(parse);
3985 /* Send premove here */
3986 if (appData.premove) {
3988 if (currentMove == 0 &&
3989 gameMode == IcsPlayingWhite &&
3990 appData.premoveWhite) {
3991 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3992 if (appData.debugMode)
3993 fprintf(debugFP, "Sending premove:\n");
3995 } else if (currentMove == 1 &&
3996 gameMode == IcsPlayingBlack &&
3997 appData.premoveBlack) {
3998 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3999 if (appData.debugMode)
4000 fprintf(debugFP, "Sending premove:\n");
4002 } else if (gotPremove) {
4004 ClearPremoveHighlights();
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Sending premove:\n");
4007 UserMoveEvent(premoveFromX, premoveFromY,
4008 premoveToX, premoveToY,
4013 /* Usually suppress following prompt */
4014 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4015 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4016 if (looking_at(buf, &i, "*% ")) {
4017 savingComment = FALSE;
4022 } else if (started == STARTED_HOLDINGS) {
4024 char new_piece[MSG_SIZ];
4025 started = STARTED_NONE;
4026 parse[parse_pos] = NULLCHAR;
4027 if (appData.debugMode)
4028 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4029 parse, currentMove);
4030 if (sscanf(parse, " game %d", &gamenum) == 1) {
4031 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4032 if (gameInfo.variant == VariantNormal) {
4033 /* [HGM] We seem to switch variant during a game!
4034 * Presumably no holdings were displayed, so we have
4035 * to move the position two files to the right to
4036 * create room for them!
4038 VariantClass newVariant;
4039 switch(gameInfo.boardWidth) { // base guess on board width
4040 case 9: newVariant = VariantShogi; break;
4041 case 10: newVariant = VariantGreat; break;
4042 default: newVariant = VariantCrazyhouse; break;
4044 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4045 /* Get a move list just to see the header, which
4046 will tell us whether this is really bug or zh */
4047 if (ics_getting_history == H_FALSE) {
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 new_piece[0] = NULLCHAR;
4054 sscanf(parse, "game %d white [%s black [%s <- %s",
4055 &gamenum, white_holding, black_holding,
4057 white_holding[strlen(white_holding)-1] = NULLCHAR;
4058 black_holding[strlen(black_holding)-1] = NULLCHAR;
4059 /* [HGM] copy holdings to board holdings area */
4060 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4061 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4062 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4064 if (appData.zippyPlay && first.initDone) {
4065 ZippyHoldings(white_holding, black_holding,
4069 if (tinyLayout || smallLayout) {
4070 char wh[16], bh[16];
4071 PackHolding(wh, white_holding);
4072 PackHolding(bh, black_holding);
4073 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4074 gameInfo.white, gameInfo.black);
4076 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4077 gameInfo.white, white_holding, _("vs."),
4078 gameInfo.black, black_holding);
4080 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4081 DrawPosition(FALSE, boards[currentMove]);
4083 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4084 sscanf(parse, "game %d white [%s black [%s <- %s",
4085 &gamenum, white_holding, black_holding,
4087 white_holding[strlen(white_holding)-1] = NULLCHAR;
4088 black_holding[strlen(black_holding)-1] = NULLCHAR;
4089 /* [HGM] copy holdings to partner-board holdings area */
4090 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4091 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4092 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4093 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4094 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4097 /* Suppress following prompt */
4098 if (looking_at(buf, &i, "*% ")) {
4099 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4100 savingComment = FALSE;
4108 i++; /* skip unparsed character and loop back */
4111 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4112 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4113 // SendToPlayer(&buf[next_out], i - next_out);
4114 started != STARTED_HOLDINGS && leftover_start > next_out) {
4115 SendToPlayer(&buf[next_out], leftover_start - next_out);
4119 leftover_len = buf_len - leftover_start;
4120 /* if buffer ends with something we couldn't parse,
4121 reparse it after appending the next read */
4123 } else if (count == 0) {
4124 RemoveInputSource(isr);
4125 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4127 DisplayFatalError(_("Error reading from ICS"), error, 1);
4132 /* Board style 12 looks like this:
4134 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4136 * The "<12> " is stripped before it gets to this routine. The two
4137 * trailing 0's (flip state and clock ticking) are later addition, and
4138 * some chess servers may not have them, or may have only the first.
4139 * Additional trailing fields may be added in the future.
4142 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4144 #define RELATION_OBSERVING_PLAYED 0
4145 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4146 #define RELATION_PLAYING_MYMOVE 1
4147 #define RELATION_PLAYING_NOTMYMOVE -1
4148 #define RELATION_EXAMINING 2
4149 #define RELATION_ISOLATED_BOARD -3
4150 #define RELATION_STARTING_POSITION -4 /* FICS only */
4153 ParseBoard12 (char *string)
4155 GameMode newGameMode;
4156 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4157 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4158 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4159 char to_play, board_chars[200];
4160 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4161 char black[32], white[32];
4163 int prevMove = currentMove;
4166 int fromX, fromY, toX, toY;
4168 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4169 char *bookHit = NULL; // [HGM] book
4170 Boolean weird = FALSE, reqFlag = FALSE;
4172 fromX = fromY = toX = toY = -1;
4176 if (appData.debugMode)
4177 fprintf(debugFP, _("Parsing board: %s\n"), string);
4179 move_str[0] = NULLCHAR;
4180 elapsed_time[0] = NULLCHAR;
4181 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4183 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4184 if(string[i] == ' ') { ranks++; files = 0; }
4186 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4189 for(j = 0; j <i; j++) board_chars[j] = string[j];
4190 board_chars[i] = '\0';
4193 n = sscanf(string, PATTERN, &to_play, &double_push,
4194 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4195 &gamenum, white, black, &relation, &basetime, &increment,
4196 &white_stren, &black_stren, &white_time, &black_time,
4197 &moveNum, str, elapsed_time, move_str, &ics_flip,
4201 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4202 DisplayError(str, 0);
4206 /* Convert the move number to internal form */
4207 moveNum = (moveNum - 1) * 2;
4208 if (to_play == 'B') moveNum++;
4209 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4210 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4216 case RELATION_OBSERVING_PLAYED:
4217 case RELATION_OBSERVING_STATIC:
4218 if (gamenum == -1) {
4219 /* Old ICC buglet */
4220 relation = RELATION_OBSERVING_STATIC;
4222 newGameMode = IcsObserving;
4224 case RELATION_PLAYING_MYMOVE:
4225 case RELATION_PLAYING_NOTMYMOVE:
4227 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4228 IcsPlayingWhite : IcsPlayingBlack;
4229 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4231 case RELATION_EXAMINING:
4232 newGameMode = IcsExamining;
4234 case RELATION_ISOLATED_BOARD:
4236 /* Just display this board. If user was doing something else,
4237 we will forget about it until the next board comes. */
4238 newGameMode = IcsIdle;
4240 case RELATION_STARTING_POSITION:
4241 newGameMode = gameMode;
4245 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4246 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4247 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4248 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4249 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4250 static int lastBgGame = -1;
4252 for (k = 0; k < ranks; k++) {
4253 for (j = 0; j < files; j++)
4254 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4255 if(gameInfo.holdingsWidth > 1) {
4256 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4257 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4260 CopyBoard(partnerBoard, board);
4261 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4262 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4263 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4264 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4265 if(toSqr = strchr(str, '-')) {
4266 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4267 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4268 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4269 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4270 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4271 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4273 DisplayWhiteClock(white_time*fac, to_play == 'W');
4274 DisplayBlackClock(black_time*fac, to_play != 'W');
4275 activePartner = to_play;
4276 if(gamenum != lastBgGame) {
4278 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4281 lastBgGame = gamenum;
4282 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4283 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4284 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4285 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4286 DisplayMessage(partnerStatus, "");
4287 partnerBoardValid = TRUE;
4291 if(appData.dualBoard && appData.bgObserve) {
4292 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4293 SendToICS(ics_prefix), SendToICS("pobserve\n");
4294 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4296 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4301 /* Modify behavior for initial board display on move listing
4304 switch (ics_getting_history) {
4308 case H_GOT_REQ_HEADER:
4309 case H_GOT_UNREQ_HEADER:
4310 /* This is the initial position of the current game */
4311 gamenum = ics_gamenum;
4312 moveNum = 0; /* old ICS bug workaround */
4313 if (to_play == 'B') {
4314 startedFromSetupPosition = TRUE;
4315 blackPlaysFirst = TRUE;
4317 if (forwardMostMove == 0) forwardMostMove = 1;
4318 if (backwardMostMove == 0) backwardMostMove = 1;
4319 if (currentMove == 0) currentMove = 1;
4321 newGameMode = gameMode;
4322 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4324 case H_GOT_UNWANTED_HEADER:
4325 /* This is an initial board that we don't want */
4327 case H_GETTING_MOVES:
4328 /* Should not happen */
4329 DisplayError(_("Error gathering move list: extra board"), 0);
4330 ics_getting_history = H_FALSE;
4334 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4335 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4336 weird && (int)gameInfo.variant < (int)VariantShogi) {
4337 /* [HGM] We seem to have switched variant unexpectedly
4338 * Try to guess new variant from board size
4340 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4341 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4342 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4343 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4344 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4345 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4346 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4347 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4348 /* Get a move list just to see the header, which
4349 will tell us whether this is really bug or zh */
4350 if (ics_getting_history == H_FALSE) {
4351 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4352 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4357 /* Take action if this is the first board of a new game, or of a
4358 different game than is currently being displayed. */
4359 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4360 relation == RELATION_ISOLATED_BOARD) {
4362 /* Forget the old game and get the history (if any) of the new one */
4363 if (gameMode != BeginningOfGame) {
4367 if (appData.autoRaiseBoard) BoardToTop();
4369 if (gamenum == -1) {
4370 newGameMode = IcsIdle;
4371 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4372 appData.getMoveList && !reqFlag) {
4373 /* Need to get game history */
4374 ics_getting_history = H_REQUESTED;
4375 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4379 /* Initially flip the board to have black on the bottom if playing
4380 black or if the ICS flip flag is set, but let the user change
4381 it with the Flip View button. */
4382 flipView = appData.autoFlipView ?
4383 (newGameMode == IcsPlayingBlack) || ics_flip :
4386 /* Done with values from previous mode; copy in new ones */
4387 gameMode = newGameMode;
4389 ics_gamenum = gamenum;
4390 if (gamenum == gs_gamenum) {
4391 int klen = strlen(gs_kind);
4392 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4393 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4394 gameInfo.event = StrSave(str);
4396 gameInfo.event = StrSave("ICS game");
4398 gameInfo.site = StrSave(appData.icsHost);
4399 gameInfo.date = PGNDate();
4400 gameInfo.round = StrSave("-");
4401 gameInfo.white = StrSave(white);
4402 gameInfo.black = StrSave(black);
4403 timeControl = basetime * 60 * 1000;
4405 timeIncrement = increment * 1000;
4406 movesPerSession = 0;
4407 gameInfo.timeControl = TimeControlTagValue();
4408 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4409 if (appData.debugMode) {
4410 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4411 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4412 setbuf(debugFP, NULL);
4415 gameInfo.outOfBook = NULL;
4417 /* Do we have the ratings? */
4418 if (strcmp(player1Name, white) == 0 &&
4419 strcmp(player2Name, black) == 0) {
4420 if (appData.debugMode)
4421 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4422 player1Rating, player2Rating);
4423 gameInfo.whiteRating = player1Rating;
4424 gameInfo.blackRating = player2Rating;
4425 } else if (strcmp(player2Name, white) == 0 &&
4426 strcmp(player1Name, black) == 0) {
4427 if (appData.debugMode)
4428 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4429 player2Rating, player1Rating);
4430 gameInfo.whiteRating = player2Rating;
4431 gameInfo.blackRating = player1Rating;
4433 player1Name[0] = player2Name[0] = NULLCHAR;
4435 /* Silence shouts if requested */
4436 if (appData.quietPlay &&
4437 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4438 SendToICS(ics_prefix);
4439 SendToICS("set shout 0\n");
4443 /* Deal with midgame name changes */
4445 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4446 if (gameInfo.white) free(gameInfo.white);
4447 gameInfo.white = StrSave(white);
4449 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4450 if (gameInfo.black) free(gameInfo.black);
4451 gameInfo.black = StrSave(black);
4455 /* Throw away game result if anything actually changes in examine mode */
4456 if (gameMode == IcsExamining && !newGame) {
4457 gameInfo.result = GameUnfinished;
4458 if (gameInfo.resultDetails != NULL) {
4459 free(gameInfo.resultDetails);
4460 gameInfo.resultDetails = NULL;
4464 /* In pausing && IcsExamining mode, we ignore boards coming
4465 in if they are in a different variation than we are. */
4466 if (pauseExamInvalid) return;
4467 if (pausing && gameMode == IcsExamining) {
4468 if (moveNum <= pauseExamForwardMostMove) {
4469 pauseExamInvalid = TRUE;
4470 forwardMostMove = pauseExamForwardMostMove;
4475 if (appData.debugMode) {
4476 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4478 /* Parse the board */
4479 for (k = 0; k < ranks; k++) {
4480 for (j = 0; j < files; j++)
4481 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4482 if(gameInfo.holdingsWidth > 1) {
4483 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4484 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4487 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4488 board[5][BOARD_RGHT+1] = WhiteAngel;
4489 board[6][BOARD_RGHT+1] = WhiteMarshall;
4490 board[1][0] = BlackMarshall;
4491 board[2][0] = BlackAngel;
4492 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4494 CopyBoard(boards[moveNum], board);
4495 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4497 startedFromSetupPosition =
4498 !CompareBoards(board, initialPosition);
4499 if(startedFromSetupPosition)
4500 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4503 /* [HGM] Set castling rights. Take the outermost Rooks,
4504 to make it also work for FRC opening positions. Note that board12
4505 is really defective for later FRC positions, as it has no way to
4506 indicate which Rook can castle if they are on the same side of King.
4507 For the initial position we grant rights to the outermost Rooks,
4508 and remember thos rights, and we then copy them on positions
4509 later in an FRC game. This means WB might not recognize castlings with
4510 Rooks that have moved back to their original position as illegal,
4511 but in ICS mode that is not its job anyway.
4513 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4514 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4516 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4517 if(board[0][i] == WhiteRook) j = i;
4518 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4519 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4520 if(board[0][i] == WhiteRook) j = i;
4521 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4522 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4523 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4524 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4525 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4526 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4527 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4529 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4530 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4531 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4532 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4533 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4534 if(board[BOARD_HEIGHT-1][k] == bKing)
4535 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4536 if(gameInfo.variant == VariantTwoKings) {
4537 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4538 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4539 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4542 r = boards[moveNum][CASTLING][0] = initialRights[0];
4543 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4544 r = boards[moveNum][CASTLING][1] = initialRights[1];
4545 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4546 r = boards[moveNum][CASTLING][3] = initialRights[3];
4547 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4548 r = boards[moveNum][CASTLING][4] = initialRights[4];
4549 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4550 /* wildcastle kludge: always assume King has rights */
4551 r = boards[moveNum][CASTLING][2] = initialRights[2];
4552 r = boards[moveNum][CASTLING][5] = initialRights[5];
4554 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4555 boards[moveNum][EP_STATUS] = EP_NONE;
4556 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4557 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4558 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4561 if (ics_getting_history == H_GOT_REQ_HEADER ||
4562 ics_getting_history == H_GOT_UNREQ_HEADER) {
4563 /* This was an initial position from a move list, not
4564 the current position */
4568 /* Update currentMove and known move number limits */
4569 newMove = newGame || moveNum > forwardMostMove;
4572 forwardMostMove = backwardMostMove = currentMove = moveNum;
4573 if (gameMode == IcsExamining && moveNum == 0) {
4574 /* Workaround for ICS limitation: we are not told the wild
4575 type when starting to examine a game. But if we ask for
4576 the move list, the move list header will tell us */
4577 ics_getting_history = H_REQUESTED;
4578 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4581 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4582 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4584 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4585 /* [HGM] applied this also to an engine that is silently watching */
4586 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4587 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4588 gameInfo.variant == currentlyInitializedVariant) {
4589 takeback = forwardMostMove - moveNum;
4590 for (i = 0; i < takeback; i++) {
4591 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4592 SendToProgram("undo\n", &first);
4597 forwardMostMove = moveNum;
4598 if (!pausing || currentMove > forwardMostMove)
4599 currentMove = forwardMostMove;
4601 /* New part of history that is not contiguous with old part */
4602 if (pausing && gameMode == IcsExamining) {
4603 pauseExamInvalid = TRUE;
4604 forwardMostMove = pauseExamForwardMostMove;
4607 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4609 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4610 // [HGM] when we will receive the move list we now request, it will be
4611 // fed to the engine from the first move on. So if the engine is not
4612 // in the initial position now, bring it there.
4613 InitChessProgram(&first, 0);
4616 ics_getting_history = H_REQUESTED;
4617 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4620 forwardMostMove = backwardMostMove = currentMove = moveNum;
4623 /* Update the clocks */
4624 if (strchr(elapsed_time, '.')) {
4626 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4627 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4629 /* Time is in seconds */
4630 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4631 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4636 if (appData.zippyPlay && newGame &&
4637 gameMode != IcsObserving && gameMode != IcsIdle &&
4638 gameMode != IcsExamining)
4639 ZippyFirstBoard(moveNum, basetime, increment);
4642 /* Put the move on the move list, first converting
4643 to canonical algebraic form. */
4645 if (appData.debugMode) {
4646 if (appData.debugMode) { int f = forwardMostMove;
4647 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4648 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4649 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4651 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4652 fprintf(debugFP, "moveNum = %d\n", moveNum);
4653 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4654 setbuf(debugFP, NULL);
4656 if (moveNum <= backwardMostMove) {
4657 /* We don't know what the board looked like before
4659 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4660 strcat(parseList[moveNum - 1], " ");
4661 strcat(parseList[moveNum - 1], elapsed_time);
4662 moveList[moveNum - 1][0] = NULLCHAR;
4663 } else if (strcmp(move_str, "none") == 0) {
4664 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4665 /* Again, we don't know what the board looked like;
4666 this is really the start of the game. */
4667 parseList[moveNum - 1][0] = NULLCHAR;
4668 moveList[moveNum - 1][0] = NULLCHAR;
4669 backwardMostMove = moveNum;
4670 startedFromSetupPosition = TRUE;
4671 fromX = fromY = toX = toY = -1;
4673 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4674 // So we parse the long-algebraic move string in stead of the SAN move
4675 int valid; char buf[MSG_SIZ], *prom;
4677 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4678 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4679 // str looks something like "Q/a1-a2"; kill the slash
4681 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4682 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4683 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4684 strcat(buf, prom); // long move lacks promo specification!
4685 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4686 if(appData.debugMode)
4687 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4688 safeStrCpy(move_str, buf, MSG_SIZ);
4690 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4691 &fromX, &fromY, &toX, &toY, &promoChar)
4692 || ParseOneMove(buf, moveNum - 1, &moveType,
4693 &fromX, &fromY, &toX, &toY, &promoChar);
4694 // end of long SAN patch
4696 (void) CoordsToAlgebraic(boards[moveNum - 1],
4697 PosFlags(moveNum - 1),
4698 fromY, fromX, toY, toX, promoChar,
4699 parseList[moveNum-1]);
4700 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4706 if(gameInfo.variant != VariantShogi)
4707 strcat(parseList[moveNum - 1], "+");
4710 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4711 strcat(parseList[moveNum - 1], "#");
4714 strcat(parseList[moveNum - 1], " ");
4715 strcat(parseList[moveNum - 1], elapsed_time);
4716 /* currentMoveString is set as a side-effect of ParseOneMove */
4717 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4718 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4719 strcat(moveList[moveNum - 1], "\n");
4721 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4722 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4723 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4724 ChessSquare old, new = boards[moveNum][k][j];
4725 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4726 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4727 if(old == new) continue;
4728 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4729 else if(new == WhiteWazir || new == BlackWazir) {
4730 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4731 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4732 else boards[moveNum][k][j] = old; // preserve type of Gold
4733 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4734 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4737 /* Move from ICS was illegal!? Punt. */
4738 if (appData.debugMode) {
4739 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4740 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4742 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4743 strcat(parseList[moveNum - 1], " ");
4744 strcat(parseList[moveNum - 1], elapsed_time);
4745 moveList[moveNum - 1][0] = NULLCHAR;
4746 fromX = fromY = toX = toY = -1;
4749 if (appData.debugMode) {
4750 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4751 setbuf(debugFP, NULL);
4755 /* Send move to chess program (BEFORE animating it). */
4756 if (appData.zippyPlay && !newGame && newMove &&
4757 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4759 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4760 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4761 if (moveList[moveNum - 1][0] == NULLCHAR) {
4762 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4764 DisplayError(str, 0);
4766 if (first.sendTime) {
4767 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4769 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4770 if (firstMove && !bookHit) {
4772 if (first.useColors) {
4773 SendToProgram(gameMode == IcsPlayingWhite ?
4775 "black\ngo\n", &first);
4777 SendToProgram("go\n", &first);
4779 first.maybeThinking = TRUE;
4782 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4783 if (moveList[moveNum - 1][0] == NULLCHAR) {
4784 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4785 DisplayError(str, 0);
4787 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4788 SendMoveToProgram(moveNum - 1, &first);
4795 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4796 /* If move comes from a remote source, animate it. If it
4797 isn't remote, it will have already been animated. */
4798 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4799 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4801 if (!pausing && appData.highlightLastMove) {
4802 SetHighlights(fromX, fromY, toX, toY);
4806 /* Start the clocks */
4807 whiteFlag = blackFlag = FALSE;
4808 appData.clockMode = !(basetime == 0 && increment == 0);
4810 ics_clock_paused = TRUE;
4812 } else if (ticking == 1) {
4813 ics_clock_paused = FALSE;
4815 if (gameMode == IcsIdle ||
4816 relation == RELATION_OBSERVING_STATIC ||
4817 relation == RELATION_EXAMINING ||
4819 DisplayBothClocks();
4823 /* Display opponents and material strengths */
4824 if (gameInfo.variant != VariantBughouse &&
4825 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4826 if (tinyLayout || smallLayout) {
4827 if(gameInfo.variant == VariantNormal)
4828 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4829 gameInfo.white, white_stren, gameInfo.black, black_stren,
4830 basetime, increment);
4832 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4833 gameInfo.white, white_stren, gameInfo.black, black_stren,
4834 basetime, increment, (int) gameInfo.variant);
4836 if(gameInfo.variant == VariantNormal)
4837 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4838 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4839 basetime, increment);
4841 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4842 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4843 basetime, increment, VariantName(gameInfo.variant));
4846 if (appData.debugMode) {
4847 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4852 /* Display the board */
4853 if (!pausing && !appData.noGUI) {
4855 if (appData.premove)
4857 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4858 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4859 ClearPremoveHighlights();
4861 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4862 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4863 DrawPosition(j, boards[currentMove]);
4865 DisplayMove(moveNum - 1);
4866 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4867 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4868 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4869 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4873 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4875 if(bookHit) { // [HGM] book: simulate book reply
4876 static char bookMove[MSG_SIZ]; // a bit generous?
4878 programStats.nodes = programStats.depth = programStats.time =
4879 programStats.score = programStats.got_only_move = 0;
4880 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4882 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4883 strcat(bookMove, bookHit);
4884 HandleMachineMove(bookMove, &first);
4893 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4894 ics_getting_history = H_REQUESTED;
4895 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4901 AnalysisPeriodicEvent (int force)
4903 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4904 && !force) || !appData.periodicUpdates)
4907 /* Send . command to Crafty to collect stats */
4908 SendToProgram(".\n", &first);
4910 /* Don't send another until we get a response (this makes
4911 us stop sending to old Crafty's which don't understand
4912 the "." command (sending illegal cmds resets node count & time,
4913 which looks bad)) */
4914 programStats.ok_to_send = 0;
4918 ics_update_width (int new_width)
4920 ics_printf("set width %d\n", new_width);
4924 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4928 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4929 // null move in variant where engine does not understand it (for analysis purposes)
4930 SendBoard(cps, moveNum + 1); // send position after move in stead.
4933 if (cps->useUsermove) {
4934 SendToProgram("usermove ", cps);
4938 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4939 int len = space - parseList[moveNum];
4940 memcpy(buf, parseList[moveNum], len);
4942 buf[len] = NULLCHAR;
4944 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4946 SendToProgram(buf, cps);
4948 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4949 AlphaRank(moveList[moveNum], 4);
4950 SendToProgram(moveList[moveNum], cps);
4951 AlphaRank(moveList[moveNum], 4); // and back
4953 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4954 * the engine. It would be nice to have a better way to identify castle
4956 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4957 && cps->useOOCastle) {
4958 int fromX = moveList[moveNum][0] - AAA;
4959 int fromY = moveList[moveNum][1] - ONE;
4960 int toX = moveList[moveNum][2] - AAA;
4961 int toY = moveList[moveNum][3] - ONE;
4962 if((boards[moveNum][fromY][fromX] == WhiteKing
4963 && boards[moveNum][toY][toX] == WhiteRook)
4964 || (boards[moveNum][fromY][fromX] == BlackKing
4965 && boards[moveNum][toY][toX] == BlackRook)) {
4966 if(toX > fromX) SendToProgram("O-O\n", cps);
4967 else SendToProgram("O-O-O\n", cps);
4969 else SendToProgram(moveList[moveNum], cps);
4971 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4972 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4973 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4974 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4975 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4977 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4978 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4979 SendToProgram(buf, cps);
4981 else SendToProgram(moveList[moveNum], cps);
4982 /* End of additions by Tord */
4985 /* [HGM] setting up the opening has brought engine in force mode! */
4986 /* Send 'go' if we are in a mode where machine should play. */
4987 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4988 (gameMode == TwoMachinesPlay ||
4990 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4992 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4993 SendToProgram("go\n", cps);
4994 if (appData.debugMode) {
4995 fprintf(debugFP, "(extra)\n");
4998 setboardSpoiledMachineBlack = 0;
5002 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5004 char user_move[MSG_SIZ];
5007 if(gameInfo.variant == VariantSChess && promoChar) {
5008 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5009 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5010 } else suffix[0] = NULLCHAR;
5014 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5015 (int)moveType, fromX, fromY, toX, toY);
5016 DisplayError(user_move + strlen("say "), 0);
5018 case WhiteKingSideCastle:
5019 case BlackKingSideCastle:
5020 case WhiteQueenSideCastleWild:
5021 case BlackQueenSideCastleWild:
5023 case WhiteHSideCastleFR:
5024 case BlackHSideCastleFR:
5026 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5028 case WhiteQueenSideCastle:
5029 case BlackQueenSideCastle:
5030 case WhiteKingSideCastleWild:
5031 case BlackKingSideCastleWild:
5033 case WhiteASideCastleFR:
5034 case BlackASideCastleFR:
5036 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5038 case WhiteNonPromotion:
5039 case BlackNonPromotion:
5040 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5042 case WhitePromotion:
5043 case BlackPromotion:
5044 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5045 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5046 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5047 PieceToChar(WhiteFerz));
5048 else if(gameInfo.variant == VariantGreat)
5049 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5050 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5051 PieceToChar(WhiteMan));
5053 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5054 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5060 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5061 ToUpper(PieceToChar((ChessSquare) fromX)),
5062 AAA + toX, ONE + toY);
5064 case IllegalMove: /* could be a variant we don't quite understand */
5065 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5067 case WhiteCapturesEnPassant:
5068 case BlackCapturesEnPassant:
5069 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5070 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5073 SendToICS(user_move);
5074 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5075 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5080 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5081 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5082 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5083 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5084 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5087 if(gameMode != IcsExamining) { // is this ever not the case?
5088 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5090 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5091 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5092 } else { // on FICS we must first go to general examine mode
5093 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5095 if(gameInfo.variant != VariantNormal) {
5096 // try figure out wild number, as xboard names are not always valid on ICS
5097 for(i=1; i<=36; i++) {
5098 snprintf(buf, MSG_SIZ, "wild/%d", i);
5099 if(StringToVariant(buf) == gameInfo.variant) break;
5101 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5102 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5103 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5104 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5105 SendToICS(ics_prefix);
5107 if(startedFromSetupPosition || backwardMostMove != 0) {
5108 fen = PositionToFEN(backwardMostMove, NULL);
5109 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5110 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5112 } else { // FICS: everything has to set by separate bsetup commands
5113 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5114 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5116 if(!WhiteOnMove(backwardMostMove)) {
5117 SendToICS("bsetup tomove black\n");
5119 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5120 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5122 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5123 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5125 i = boards[backwardMostMove][EP_STATUS];
5126 if(i >= 0) { // set e.p.
5127 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5133 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5134 SendToICS("bsetup done\n"); // switch to normal examining.
5136 for(i = backwardMostMove; i<last; i++) {
5138 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5141 SendToICS(ics_prefix);
5142 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5146 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5148 if (rf == DROP_RANK) {
5149 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5150 sprintf(move, "%c@%c%c\n",
5151 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5153 if (promoChar == 'x' || promoChar == NULLCHAR) {
5154 sprintf(move, "%c%c%c%c\n",
5155 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5157 sprintf(move, "%c%c%c%c%c\n",
5158 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5164 ProcessICSInitScript (FILE *f)
5168 while (fgets(buf, MSG_SIZ, f)) {
5169 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5176 static int lastX, lastY, selectFlag, dragging;
5181 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5182 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5183 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5184 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5185 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5186 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5189 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5190 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5191 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5192 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5193 if(!step) step = -1;
5194 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5195 appData.testLegality && (promoSweep == king ||
5196 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5198 int victim = boards[currentMove][toY][toX];
5199 boards[currentMove][toY][toX] = promoSweep;
5200 DrawPosition(FALSE, boards[currentMove]);
5201 boards[currentMove][toY][toX] = victim;
5203 ChangeDragPiece(promoSweep);
5207 PromoScroll (int x, int y)
5211 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5212 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5213 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5214 if(!step) return FALSE;
5215 lastX = x; lastY = y;
5216 if((promoSweep < BlackPawn) == flipView) step = -step;
5217 if(step > 0) selectFlag = 1;
5218 if(!selectFlag) Sweep(step);
5223 NextPiece (int step)
5225 ChessSquare piece = boards[currentMove][toY][toX];
5228 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5229 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5230 if(!step) step = -1;
5231 } while(PieceToChar(pieceSweep) == '.');
5232 boards[currentMove][toY][toX] = pieceSweep;
5233 DrawPosition(FALSE, boards[currentMove]);
5234 boards[currentMove][toY][toX] = piece;
5236 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5238 AlphaRank (char *move, int n)
5240 // char *p = move, c; int x, y;
5242 if (appData.debugMode) {
5243 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5247 move[2]>='0' && move[2]<='9' &&
5248 move[3]>='a' && move[3]<='x' ) {
5250 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5251 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5253 if(move[0]>='0' && move[0]<='9' &&
5254 move[1]>='a' && move[1]<='x' &&
5255 move[2]>='0' && move[2]<='9' &&
5256 move[3]>='a' && move[3]<='x' ) {
5257 /* input move, Shogi -> normal */
5258 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5259 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5260 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5261 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5264 move[3]>='0' && move[3]<='9' &&
5265 move[2]>='a' && move[2]<='x' ) {
5267 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5268 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5271 move[0]>='a' && move[0]<='x' &&
5272 move[3]>='0' && move[3]<='9' &&
5273 move[2]>='a' && move[2]<='x' ) {
5274 /* output move, normal -> Shogi */
5275 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5276 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5277 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5278 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5279 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5281 if (appData.debugMode) {
5282 fprintf(debugFP, " out = '%s'\n", move);
5286 char yy_textstr[8000];
5288 /* Parser for moves from gnuchess, ICS, or user typein box */
5290 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5292 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5294 switch (*moveType) {
5295 case WhitePromotion:
5296 case BlackPromotion:
5297 case WhiteNonPromotion:
5298 case BlackNonPromotion:
5300 case WhiteCapturesEnPassant:
5301 case BlackCapturesEnPassant:
5302 case WhiteKingSideCastle:
5303 case WhiteQueenSideCastle:
5304 case BlackKingSideCastle:
5305 case BlackQueenSideCastle:
5306 case WhiteKingSideCastleWild:
5307 case WhiteQueenSideCastleWild:
5308 case BlackKingSideCastleWild:
5309 case BlackQueenSideCastleWild:
5310 /* Code added by Tord: */
5311 case WhiteHSideCastleFR:
5312 case WhiteASideCastleFR:
5313 case BlackHSideCastleFR:
5314 case BlackASideCastleFR:
5315 /* End of code added by Tord */
5316 case IllegalMove: /* bug or odd chess variant */
5317 *fromX = currentMoveString[0] - AAA;
5318 *fromY = currentMoveString[1] - ONE;
5319 *toX = currentMoveString[2] - AAA;
5320 *toY = currentMoveString[3] - ONE;
5321 *promoChar = currentMoveString[4];
5322 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5323 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5324 if (appData.debugMode) {
5325 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5327 *fromX = *fromY = *toX = *toY = 0;
5330 if (appData.testLegality) {
5331 return (*moveType != IllegalMove);
5333 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5334 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5339 *fromX = *moveType == WhiteDrop ?
5340 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5341 (int) CharToPiece(ToLower(currentMoveString[0]));
5343 *toX = currentMoveString[2] - AAA;
5344 *toY = currentMoveString[3] - ONE;
5345 *promoChar = NULLCHAR;
5349 case ImpossibleMove:
5359 if (appData.debugMode) {
5360 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5363 *fromX = *fromY = *toX = *toY = 0;
5364 *promoChar = NULLCHAR;
5369 Boolean pushed = FALSE;
5370 char *lastParseAttempt;
5373 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5374 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5375 int fromX, fromY, toX, toY; char promoChar;
5380 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5381 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5384 endPV = forwardMostMove;
5386 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5387 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5388 lastParseAttempt = pv;
5389 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5390 if(!valid && nr == 0 &&
5391 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5392 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5393 // Hande case where played move is different from leading PV move
5394 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5395 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5396 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5397 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5398 endPV += 2; // if position different, keep this
5399 moveList[endPV-1][0] = fromX + AAA;
5400 moveList[endPV-1][1] = fromY + ONE;
5401 moveList[endPV-1][2] = toX + AAA;
5402 moveList[endPV-1][3] = toY + ONE;
5403 parseList[endPV-1][0] = NULLCHAR;
5404 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5407 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5408 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5409 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5410 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5411 valid++; // allow comments in PV
5415 if(endPV+1 > framePtr) break; // no space, truncate
5418 CopyBoard(boards[endPV], boards[endPV-1]);
5419 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5420 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5421 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5422 CoordsToAlgebraic(boards[endPV - 1],
5423 PosFlags(endPV - 1),
5424 fromY, fromX, toY, toX, promoChar,
5425 parseList[endPV - 1]);
5427 if(atEnd == 2) return; // used hidden, for PV conversion
5428 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5429 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5430 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5431 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5432 DrawPosition(TRUE, boards[currentMove]);
5436 MultiPV (ChessProgramState *cps)
5437 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5439 for(i=0; i<cps->nrOptions; i++)
5440 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5446 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5448 int startPV, multi, lineStart, origIndex = index;
5449 char *p, buf2[MSG_SIZ];
5451 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5452 lastX = x; lastY = y;
5453 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5454 lineStart = startPV = index;
5455 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5456 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5458 do{ while(buf[index] && buf[index] != '\n') index++;
5459 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5461 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5462 int n = first.option[multi].value;
5463 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5464 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5465 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5466 first.option[multi].value = n;
5469 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5470 ExcludeClick(origIndex - lineStart);
5473 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5474 *start = startPV; *end = index-1;
5481 static char buf[10*MSG_SIZ];
5482 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5484 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5485 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5486 for(i = forwardMostMove; i<endPV; i++){
5487 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5488 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5491 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5492 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5498 LoadPV (int x, int y)
5499 { // called on right mouse click to load PV
5500 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5501 lastX = x; lastY = y;
5502 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5509 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5510 if(endPV < 0) return;
5511 if(appData.autoCopyPV) CopyFENToClipboard();
5513 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5514 Boolean saveAnimate = appData.animate;
5516 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5517 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5518 } else storedGames--; // abandon shelved tail of original game
5521 forwardMostMove = currentMove;
5522 currentMove = oldFMM;
5523 appData.animate = FALSE;
5524 ToNrEvent(forwardMostMove);
5525 appData.animate = saveAnimate;
5527 currentMove = forwardMostMove;
5528 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5529 ClearPremoveHighlights();
5530 DrawPosition(TRUE, boards[currentMove]);
5534 MovePV (int x, int y, int h)
5535 { // step through PV based on mouse coordinates (called on mouse move)
5536 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5538 // we must somehow check if right button is still down (might be released off board!)
5539 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5540 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5541 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5543 lastX = x; lastY = y;
5545 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5546 if(endPV < 0) return;
5547 if(y < margin) step = 1; else
5548 if(y > h - margin) step = -1;
5549 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5550 currentMove += step;
5551 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5552 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5553 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5554 DrawPosition(FALSE, boards[currentMove]);
5558 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5559 // All positions will have equal probability, but the current method will not provide a unique
5560 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5566 int piecesLeft[(int)BlackPawn];
5567 int seed, nrOfShuffles;
5570 GetPositionNumber ()
5571 { // sets global variable seed
5574 seed = appData.defaultFrcPosition;
5575 if(seed < 0) { // randomize based on time for negative FRC position numbers
5576 for(i=0; i<50; i++) seed += random();
5577 seed = random() ^ random() >> 8 ^ random() << 8;
5578 if(seed<0) seed = -seed;
5583 put (Board board, int pieceType, int rank, int n, int shade)
5584 // put the piece on the (n-1)-th empty squares of the given shade
5588 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5589 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5590 board[rank][i] = (ChessSquare) pieceType;
5591 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5593 piecesLeft[pieceType]--;
5602 AddOnePiece (Board board, int pieceType, int rank, int shade)
5603 // calculate where the next piece goes, (any empty square), and put it there
5607 i = seed % squaresLeft[shade];
5608 nrOfShuffles *= squaresLeft[shade];
5609 seed /= squaresLeft[shade];
5610 put(board, pieceType, rank, i, shade);
5614 AddTwoPieces (Board board, int pieceType, int rank)
5615 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5617 int i, n=squaresLeft[ANY], j=n-1, k;
5619 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5620 i = seed % k; // pick one
5623 while(i >= j) i -= j--;
5624 j = n - 1 - j; i += j;
5625 put(board, pieceType, rank, j, ANY);
5626 put(board, pieceType, rank, i, ANY);
5630 SetUpShuffle (Board board, int number)
5634 GetPositionNumber(); nrOfShuffles = 1;
5636 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5637 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5638 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5640 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5642 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5643 p = (int) board[0][i];
5644 if(p < (int) BlackPawn) piecesLeft[p] ++;
5645 board[0][i] = EmptySquare;
5648 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5649 // shuffles restricted to allow normal castling put KRR first
5650 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5651 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5652 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5653 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5654 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5655 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5656 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5657 put(board, WhiteRook, 0, 0, ANY);
5658 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5661 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5662 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5663 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5664 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5665 while(piecesLeft[p] >= 2) {
5666 AddOnePiece(board, p, 0, LITE);
5667 AddOnePiece(board, p, 0, DARK);
5669 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5672 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5673 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5674 // but we leave King and Rooks for last, to possibly obey FRC restriction
5675 if(p == (int)WhiteRook) continue;
5676 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5677 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5680 // now everything is placed, except perhaps King (Unicorn) and Rooks
5682 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5683 // Last King gets castling rights
5684 while(piecesLeft[(int)WhiteUnicorn]) {
5685 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5686 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5689 while(piecesLeft[(int)WhiteKing]) {
5690 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5691 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5696 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5697 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5700 // Only Rooks can be left; simply place them all
5701 while(piecesLeft[(int)WhiteRook]) {
5702 i = put(board, WhiteRook, 0, 0, ANY);
5703 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5706 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5708 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5711 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5712 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5715 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5719 SetCharTable (char *table, const char * map)
5720 /* [HGM] moved here from winboard.c because of its general usefulness */
5721 /* Basically a safe strcpy that uses the last character as King */
5723 int result = FALSE; int NrPieces;
5725 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5726 && NrPieces >= 12 && !(NrPieces&1)) {
5727 int i; /* [HGM] Accept even length from 12 to 34 */
5729 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5730 for( i=0; i<NrPieces/2-1; i++ ) {
5732 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5734 table[(int) WhiteKing] = map[NrPieces/2-1];
5735 table[(int) BlackKing] = map[NrPieces-1];
5744 Prelude (Board board)
5745 { // [HGM] superchess: random selection of exo-pieces
5746 int i, j, k; ChessSquare p;
5747 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5749 GetPositionNumber(); // use FRC position number
5751 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5752 SetCharTable(pieceToChar, appData.pieceToCharTable);
5753 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5754 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5757 j = seed%4; seed /= 4;
5758 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5759 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5760 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5761 j = seed%3 + (seed%3 >= j); seed /= 3;
5762 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5763 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5764 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5765 j = seed%3; seed /= 3;
5766 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5767 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5768 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5769 j = seed%2 + (seed%2 >= j); seed /= 2;
5770 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5771 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5772 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5773 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5774 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5775 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5776 put(board, exoPieces[0], 0, 0, ANY);
5777 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5781 InitPosition (int redraw)
5783 ChessSquare (* pieces)[BOARD_FILES];
5784 int i, j, pawnRow, overrule,
5785 oldx = gameInfo.boardWidth,
5786 oldy = gameInfo.boardHeight,
5787 oldh = gameInfo.holdingsWidth;
5790 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5792 /* [AS] Initialize pv info list [HGM] and game status */
5794 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5795 pvInfoList[i].depth = 0;
5796 boards[i][EP_STATUS] = EP_NONE;
5797 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5800 initialRulePlies = 0; /* 50-move counter start */
5802 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5803 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5807 /* [HGM] logic here is completely changed. In stead of full positions */
5808 /* the initialized data only consist of the two backranks. The switch */
5809 /* selects which one we will use, which is than copied to the Board */
5810 /* initialPosition, which for the rest is initialized by Pawns and */
5811 /* empty squares. This initial position is then copied to boards[0], */
5812 /* possibly after shuffling, so that it remains available. */
5814 gameInfo.holdingsWidth = 0; /* default board sizes */
5815 gameInfo.boardWidth = 8;
5816 gameInfo.boardHeight = 8;
5817 gameInfo.holdingsSize = 0;
5818 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5819 for(i=0; i<BOARD_FILES-2; i++)
5820 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5821 initialPosition[EP_STATUS] = EP_NONE;
5822 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5823 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5824 SetCharTable(pieceNickName, appData.pieceNickNames);
5825 else SetCharTable(pieceNickName, "............");
5828 switch (gameInfo.variant) {
5829 case VariantFischeRandom:
5830 shuffleOpenings = TRUE;
5833 case VariantShatranj:
5834 pieces = ShatranjArray;
5835 nrCastlingRights = 0;
5836 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5839 pieces = makrukArray;
5840 nrCastlingRights = 0;
5841 startedFromSetupPosition = TRUE;
5842 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5844 case VariantTwoKings:
5845 pieces = twoKingsArray;
5848 pieces = GrandArray;
5849 nrCastlingRights = 0;
5850 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5851 gameInfo.boardWidth = 10;
5852 gameInfo.boardHeight = 10;
5853 gameInfo.holdingsSize = 7;
5855 case VariantCapaRandom:
5856 shuffleOpenings = TRUE;
5857 case VariantCapablanca:
5858 pieces = CapablancaArray;
5859 gameInfo.boardWidth = 10;
5860 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5863 pieces = GothicArray;
5864 gameInfo.boardWidth = 10;
5865 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5868 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5869 gameInfo.holdingsSize = 7;
5872 pieces = JanusArray;
5873 gameInfo.boardWidth = 10;
5874 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5875 nrCastlingRights = 6;
5876 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5877 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5878 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5879 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5880 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5881 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5884 pieces = FalconArray;
5885 gameInfo.boardWidth = 10;
5886 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5888 case VariantXiangqi:
5889 pieces = XiangqiArray;
5890 gameInfo.boardWidth = 9;
5891 gameInfo.boardHeight = 10;
5892 nrCastlingRights = 0;
5893 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5896 pieces = ShogiArray;
5897 gameInfo.boardWidth = 9;
5898 gameInfo.boardHeight = 9;
5899 gameInfo.holdingsSize = 7;
5900 nrCastlingRights = 0;
5901 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5903 case VariantCourier:
5904 pieces = CourierArray;
5905 gameInfo.boardWidth = 12;
5906 nrCastlingRights = 0;
5907 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5909 case VariantKnightmate:
5910 pieces = KnightmateArray;
5911 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5913 case VariantSpartan:
5914 pieces = SpartanArray;
5915 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5918 pieces = fairyArray;
5919 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5922 pieces = GreatArray;
5923 gameInfo.boardWidth = 10;
5924 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5925 gameInfo.holdingsSize = 8;
5929 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5930 gameInfo.holdingsSize = 8;
5931 startedFromSetupPosition = TRUE;
5933 case VariantCrazyhouse:
5934 case VariantBughouse:
5936 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5937 gameInfo.holdingsSize = 5;
5939 case VariantWildCastle:
5941 /* !!?shuffle with kings guaranteed to be on d or e file */
5942 shuffleOpenings = 1;
5944 case VariantNoCastle:
5946 nrCastlingRights = 0;
5947 /* !!?unconstrained back-rank shuffle */
5948 shuffleOpenings = 1;
5953 if(appData.NrFiles >= 0) {
5954 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5955 gameInfo.boardWidth = appData.NrFiles;
5957 if(appData.NrRanks >= 0) {
5958 gameInfo.boardHeight = appData.NrRanks;
5960 if(appData.holdingsSize >= 0) {
5961 i = appData.holdingsSize;
5962 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5963 gameInfo.holdingsSize = i;
5965 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5966 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5967 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5969 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5970 if(pawnRow < 1) pawnRow = 1;
5971 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5973 /* User pieceToChar list overrules defaults */
5974 if(appData.pieceToCharTable != NULL)
5975 SetCharTable(pieceToChar, appData.pieceToCharTable);
5977 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5979 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5980 s = (ChessSquare) 0; /* account holding counts in guard band */
5981 for( i=0; i<BOARD_HEIGHT; i++ )
5982 initialPosition[i][j] = s;
5984 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5985 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5986 initialPosition[pawnRow][j] = WhitePawn;
5987 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5988 if(gameInfo.variant == VariantXiangqi) {
5990 initialPosition[pawnRow][j] =
5991 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5992 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5993 initialPosition[2][j] = WhiteCannon;
5994 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5998 if(gameInfo.variant == VariantGrand) {
5999 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6000 initialPosition[0][j] = WhiteRook;
6001 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6004 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6006 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6009 initialPosition[1][j] = WhiteBishop;
6010 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6012 initialPosition[1][j] = WhiteRook;
6013 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6016 if( nrCastlingRights == -1) {
6017 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6018 /* This sets default castling rights from none to normal corners */
6019 /* Variants with other castling rights must set them themselves above */
6020 nrCastlingRights = 6;
6022 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6023 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6024 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6025 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6026 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6027 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6030 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6031 if(gameInfo.variant == VariantGreat) { // promotion commoners
6032 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6033 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6034 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6035 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6037 if( gameInfo.variant == VariantSChess ) {
6038 initialPosition[1][0] = BlackMarshall;
6039 initialPosition[2][0] = BlackAngel;
6040 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6041 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6042 initialPosition[1][1] = initialPosition[2][1] =
6043 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6045 if (appData.debugMode) {
6046 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6048 if(shuffleOpenings) {
6049 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6050 startedFromSetupPosition = TRUE;
6052 if(startedFromPositionFile) {
6053 /* [HGM] loadPos: use PositionFile for every new game */
6054 CopyBoard(initialPosition, filePosition);
6055 for(i=0; i<nrCastlingRights; i++)
6056 initialRights[i] = filePosition[CASTLING][i];
6057 startedFromSetupPosition = TRUE;
6060 CopyBoard(boards[0], initialPosition);
6062 if(oldx != gameInfo.boardWidth ||
6063 oldy != gameInfo.boardHeight ||
6064 oldv != gameInfo.variant ||
6065 oldh != gameInfo.holdingsWidth
6067 InitDrawingSizes(-2 ,0);
6069 oldv = gameInfo.variant;
6071 DrawPosition(TRUE, boards[currentMove]);
6075 SendBoard (ChessProgramState *cps, int moveNum)
6077 char message[MSG_SIZ];
6079 if (cps->useSetboard) {
6080 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6081 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6082 SendToProgram(message, cps);
6087 int i, j, left=0, right=BOARD_WIDTH;
6088 /* Kludge to set black to move, avoiding the troublesome and now
6089 * deprecated "black" command.
6091 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6092 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6094 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6096 SendToProgram("edit\n", cps);
6097 SendToProgram("#\n", cps);
6098 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6099 bp = &boards[moveNum][i][left];
6100 for (j = left; j < right; j++, bp++) {
6101 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6102 if ((int) *bp < (int) BlackPawn) {
6103 if(j == BOARD_RGHT+1)
6104 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6105 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6106 if(message[0] == '+' || message[0] == '~') {
6107 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6108 PieceToChar((ChessSquare)(DEMOTED *bp)),
6111 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6112 message[1] = BOARD_RGHT - 1 - j + '1';
6113 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6115 SendToProgram(message, cps);
6120 SendToProgram("c\n", cps);
6121 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6122 bp = &boards[moveNum][i][left];
6123 for (j = left; j < right; j++, bp++) {
6124 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6125 if (((int) *bp != (int) EmptySquare)
6126 && ((int) *bp >= (int) BlackPawn)) {
6127 if(j == BOARD_LEFT-2)
6128 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6129 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6131 if(message[0] == '+' || message[0] == '~') {
6132 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6133 PieceToChar((ChessSquare)(DEMOTED *bp)),
6136 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6137 message[1] = BOARD_RGHT - 1 - j + '1';
6138 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6140 SendToProgram(message, cps);
6145 SendToProgram(".\n", cps);
6147 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6150 char exclusionHeader[MSG_SIZ];
6151 int exCnt, excludePtr;
6152 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6153 static Exclusion excluTab[200];
6154 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6160 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6161 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6167 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6168 excludePtr = 24; exCnt = 0;
6173 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6174 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6175 char buf[2*MOVE_LEN], *p;
6176 Exclusion *e = excluTab;
6178 for(i=0; i<exCnt; i++)
6179 if(e[i].ff == fromX && e[i].fr == fromY &&
6180 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6181 if(i == exCnt) { // was not in exclude list; add it
6182 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6183 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6184 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6187 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6188 excludePtr++; e[i].mark = excludePtr++;
6189 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6192 exclusionHeader[e[i].mark] = state;
6196 ExcludeOneMove (int fromY, int fromX, int toY, int toX, signed char promoChar, char state)
6197 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6201 if(promoChar == -1) { // kludge to indicate best move
6202 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6203 return 1; // if unparsable, abort
6205 // update exclusion map (resolving toggle by consulting existing state)
6206 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6208 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6209 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6210 excludeMap[k] |= 1<<j;
6211 else excludeMap[k] &= ~(1<<j);
6213 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6215 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6216 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6217 SendToProgram(buf, &first);
6218 return (state == '+');
6222 ExcludeClick (int index)
6225 Exclusion *e = excluTab;
6226 if(index < 25) { // none, best or tail clicked
6227 if(index < 13) { // none: include all
6228 WriteMap(0); // clear map
6229 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6230 SendToProgram("include all\n", &first); // and inform engine
6231 } else if(index > 18) { // tail
6232 if(exclusionHeader[19] == '-') { // tail was excluded
6233 SendToProgram("include all\n", &first);
6234 WriteMap(0); // clear map completely
6235 // now re-exclude selected moves
6236 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6237 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6238 } else { // tail was included or in mixed state
6239 SendToProgram("exclude all\n", &first);
6240 WriteMap(0xFF); // fill map completely
6241 // now re-include selected moves
6242 j = 0; // count them
6243 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6244 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6245 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6248 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6251 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6252 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6253 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6260 DefaultPromoChoice (int white)
6263 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6264 result = WhiteFerz; // no choice
6265 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6266 result= WhiteKing; // in Suicide Q is the last thing we want
6267 else if(gameInfo.variant == VariantSpartan)
6268 result = white ? WhiteQueen : WhiteAngel;
6269 else result = WhiteQueen;
6270 if(!white) result = WHITE_TO_BLACK result;
6274 static int autoQueen; // [HGM] oneclick
6277 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6279 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6280 /* [HGM] add Shogi promotions */
6281 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6286 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6287 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6289 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6290 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6293 piece = boards[currentMove][fromY][fromX];
6294 if(gameInfo.variant == VariantShogi) {
6295 promotionZoneSize = BOARD_HEIGHT/3;
6296 highestPromotingPiece = (int)WhiteFerz;
6297 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6298 promotionZoneSize = 3;
6301 // Treat Lance as Pawn when it is not representing Amazon
6302 if(gameInfo.variant != VariantSuper) {
6303 if(piece == WhiteLance) piece = WhitePawn; else
6304 if(piece == BlackLance) piece = BlackPawn;
6307 // next weed out all moves that do not touch the promotion zone at all
6308 if((int)piece >= BlackPawn) {
6309 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6311 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6313 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6314 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6317 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6319 // weed out mandatory Shogi promotions
6320 if(gameInfo.variant == VariantShogi) {
6321 if(piece >= BlackPawn) {
6322 if(toY == 0 && piece == BlackPawn ||
6323 toY == 0 && piece == BlackQueen ||
6324 toY <= 1 && piece == BlackKnight) {
6329 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6330 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6331 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6338 // weed out obviously illegal Pawn moves
6339 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6340 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6341 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6342 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6343 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6344 // note we are not allowed to test for valid (non-)capture, due to premove
6347 // we either have a choice what to promote to, or (in Shogi) whether to promote
6348 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6349 *promoChoice = PieceToChar(BlackFerz); // no choice
6352 // no sense asking what we must promote to if it is going to explode...
6353 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6354 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6357 // give caller the default choice even if we will not make it
6358 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6359 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6360 if( sweepSelect && gameInfo.variant != VariantGreat
6361 && gameInfo.variant != VariantGrand
6362 && gameInfo.variant != VariantSuper) return FALSE;
6363 if(autoQueen) return FALSE; // predetermined
6365 // suppress promotion popup on illegal moves that are not premoves
6366 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6367 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6368 if(appData.testLegality && !premove) {
6369 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6370 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6371 if(moveType != WhitePromotion && moveType != BlackPromotion)
6379 InPalace (int row, int column)
6380 { /* [HGM] for Xiangqi */
6381 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6382 column < (BOARD_WIDTH + 4)/2 &&
6383 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6388 PieceForSquare (int x, int y)
6390 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6393 return boards[currentMove][y][x];
6397 OKToStartUserMove (int x, int y)
6399 ChessSquare from_piece;
6402 if (matchMode) return FALSE;
6403 if (gameMode == EditPosition) return TRUE;
6405 if (x >= 0 && y >= 0)
6406 from_piece = boards[currentMove][y][x];
6408 from_piece = EmptySquare;
6410 if (from_piece == EmptySquare) return FALSE;
6412 white_piece = (int)from_piece >= (int)WhitePawn &&
6413 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6417 case TwoMachinesPlay:
6425 case MachinePlaysWhite:
6426 case IcsPlayingBlack:
6427 if (appData.zippyPlay) return FALSE;
6429 DisplayMoveError(_("You are playing Black"));
6434 case MachinePlaysBlack:
6435 case IcsPlayingWhite:
6436 if (appData.zippyPlay) return FALSE;
6438 DisplayMoveError(_("You are playing White"));
6443 case PlayFromGameFile:
6444 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6446 if (!white_piece && WhiteOnMove(currentMove)) {
6447 DisplayMoveError(_("It is White's turn"));
6450 if (white_piece && !WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is Black's turn"));
6454 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6455 /* Editing correspondence game history */
6456 /* Could disallow this or prompt for confirmation */
6461 case BeginningOfGame:
6462 if (appData.icsActive) return FALSE;
6463 if (!appData.noChessProgram) {
6465 DisplayMoveError(_("You are playing White"));
6472 if (!white_piece && WhiteOnMove(currentMove)) {
6473 DisplayMoveError(_("It is White's turn"));
6476 if (white_piece && !WhiteOnMove(currentMove)) {
6477 DisplayMoveError(_("It is Black's turn"));
6486 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6487 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6488 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6489 && gameMode != AnalyzeFile && gameMode != Training) {
6490 DisplayMoveError(_("Displayed position is not current"));
6497 OnlyMove (int *x, int *y, Boolean captures)
6499 DisambiguateClosure cl;
6500 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6502 case MachinePlaysBlack:
6503 case IcsPlayingWhite:
6504 case BeginningOfGame:
6505 if(!WhiteOnMove(currentMove)) return FALSE;
6507 case MachinePlaysWhite:
6508 case IcsPlayingBlack:
6509 if(WhiteOnMove(currentMove)) return FALSE;
6516 cl.pieceIn = EmptySquare;
6521 cl.promoCharIn = NULLCHAR;
6522 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6523 if( cl.kind == NormalMove ||
6524 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6525 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6526 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6533 if(cl.kind != ImpossibleMove) return FALSE;
6534 cl.pieceIn = EmptySquare;
6539 cl.promoCharIn = NULLCHAR;
6540 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6541 if( cl.kind == NormalMove ||
6542 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6543 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6544 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6549 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6555 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6556 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6557 int lastLoadGameUseList = FALSE;
6558 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6559 ChessMove lastLoadGameStart = EndOfFile;
6563 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6567 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6569 /* Check if the user is playing in turn. This is complicated because we
6570 let the user "pick up" a piece before it is his turn. So the piece he
6571 tried to pick up may have been captured by the time he puts it down!
6572 Therefore we use the color the user is supposed to be playing in this
6573 test, not the color of the piece that is currently on the starting
6574 square---except in EditGame mode, where the user is playing both
6575 sides; fortunately there the capture race can't happen. (It can
6576 now happen in IcsExamining mode, but that's just too bad. The user
6577 will get a somewhat confusing message in that case.)
6582 case TwoMachinesPlay:
6586 /* We switched into a game mode where moves are not accepted,
6587 perhaps while the mouse button was down. */
6590 case MachinePlaysWhite:
6591 /* User is moving for Black */
6592 if (WhiteOnMove(currentMove)) {
6593 DisplayMoveError(_("It is White's turn"));
6598 case MachinePlaysBlack:
6599 /* User is moving for White */
6600 if (!WhiteOnMove(currentMove)) {
6601 DisplayMoveError(_("It is Black's turn"));
6606 case PlayFromGameFile:
6607 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6610 case BeginningOfGame:
6613 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6614 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6615 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6616 /* User is moving for Black */
6617 if (WhiteOnMove(currentMove)) {
6618 DisplayMoveError(_("It is White's turn"));
6622 /* User is moving for White */
6623 if (!WhiteOnMove(currentMove)) {
6624 DisplayMoveError(_("It is Black's turn"));
6630 case IcsPlayingBlack:
6631 /* User is moving for Black */
6632 if (WhiteOnMove(currentMove)) {
6633 if (!appData.premove) {
6634 DisplayMoveError(_("It is White's turn"));
6635 } else if (toX >= 0 && toY >= 0) {
6638 premoveFromX = fromX;
6639 premoveFromY = fromY;
6640 premovePromoChar = promoChar;
6642 if (appData.debugMode)
6643 fprintf(debugFP, "Got premove: fromX %d,"
6644 "fromY %d, toX %d, toY %d\n",
6645 fromX, fromY, toX, toY);
6651 case IcsPlayingWhite:
6652 /* User is moving for White */
6653 if (!WhiteOnMove(currentMove)) {
6654 if (!appData.premove) {
6655 DisplayMoveError(_("It is Black's turn"));
6656 } else if (toX >= 0 && toY >= 0) {
6659 premoveFromX = fromX;
6660 premoveFromY = fromY;
6661 premovePromoChar = promoChar;
6663 if (appData.debugMode)
6664 fprintf(debugFP, "Got premove: fromX %d,"
6665 "fromY %d, toX %d, toY %d\n",
6666 fromX, fromY, toX, toY);
6676 /* EditPosition, empty square, or different color piece;
6677 click-click move is possible */
6678 if (toX == -2 || toY == -2) {
6679 boards[0][fromY][fromX] = EmptySquare;
6680 DrawPosition(FALSE, boards[currentMove]);
6682 } else if (toX >= 0 && toY >= 0) {
6683 boards[0][toY][toX] = boards[0][fromY][fromX];
6684 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6685 if(boards[0][fromY][0] != EmptySquare) {
6686 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6687 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6690 if(fromX == BOARD_RGHT+1) {
6691 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6692 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6693 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6696 boards[0][fromY][fromX] = gatingPiece;
6697 DrawPosition(FALSE, boards[currentMove]);
6703 if(toX < 0 || toY < 0) return;
6704 pup = boards[currentMove][toY][toX];
6706 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6707 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6708 if( pup != EmptySquare ) return;
6709 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6710 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6711 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6712 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6713 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6714 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6715 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6719 /* [HGM] always test for legality, to get promotion info */
6720 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6721 fromY, fromX, toY, toX, promoChar);
6723 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6725 /* [HGM] but possibly ignore an IllegalMove result */
6726 if (appData.testLegality) {
6727 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6728 DisplayMoveError(_("Illegal move"));
6733 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6734 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6735 ClearPremoveHighlights(); // was included
6736 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6740 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6743 /* Common tail of UserMoveEvent and DropMenuEvent */
6745 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6749 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6750 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6751 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6752 if(WhiteOnMove(currentMove)) {
6753 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6755 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6759 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6760 move type in caller when we know the move is a legal promotion */
6761 if(moveType == NormalMove && promoChar)
6762 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6764 /* [HGM] <popupFix> The following if has been moved here from
6765 UserMoveEvent(). Because it seemed to belong here (why not allow
6766 piece drops in training games?), and because it can only be
6767 performed after it is known to what we promote. */
6768 if (gameMode == Training) {
6769 /* compare the move played on the board to the next move in the
6770 * game. If they match, display the move and the opponent's response.
6771 * If they don't match, display an error message.
6775 CopyBoard(testBoard, boards[currentMove]);
6776 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6778 if (CompareBoards(testBoard, boards[currentMove+1])) {
6779 ForwardInner(currentMove+1);
6781 /* Autoplay the opponent's response.
6782 * if appData.animate was TRUE when Training mode was entered,
6783 * the response will be animated.
6785 saveAnimate = appData.animate;
6786 appData.animate = animateTraining;
6787 ForwardInner(currentMove+1);
6788 appData.animate = saveAnimate;
6790 /* check for the end of the game */
6791 if (currentMove >= forwardMostMove) {
6792 gameMode = PlayFromGameFile;
6794 SetTrainingModeOff();
6795 DisplayInformation(_("End of game"));
6798 DisplayError(_("Incorrect move"), 0);
6803 /* Ok, now we know that the move is good, so we can kill
6804 the previous line in Analysis Mode */
6805 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6806 && currentMove < forwardMostMove) {
6807 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6808 else forwardMostMove = currentMove;
6813 /* If we need the chess program but it's dead, restart it */
6814 ResurrectChessProgram();
6816 /* A user move restarts a paused game*/
6820 thinkOutput[0] = NULLCHAR;
6822 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6824 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6825 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6829 if (gameMode == BeginningOfGame) {
6830 if (appData.noChessProgram) {
6831 gameMode = EditGame;
6835 gameMode = MachinePlaysBlack;
6838 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6840 if (first.sendName) {
6841 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6842 SendToProgram(buf, &first);
6849 /* Relay move to ICS or chess engine */
6850 if (appData.icsActive) {
6851 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6852 gameMode == IcsExamining) {
6853 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6854 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6856 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6858 // also send plain move, in case ICS does not understand atomic claims
6859 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6863 if (first.sendTime && (gameMode == BeginningOfGame ||
6864 gameMode == MachinePlaysWhite ||
6865 gameMode == MachinePlaysBlack)) {
6866 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6868 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6869 // [HGM] book: if program might be playing, let it use book
6870 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6871 first.maybeThinking = TRUE;
6872 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6873 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6874 SendBoard(&first, currentMove+1);
6875 } else SendMoveToProgram(forwardMostMove-1, &first);
6876 if (currentMove == cmailOldMove + 1) {
6877 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6881 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6885 if(appData.testLegality)
6886 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6892 if (WhiteOnMove(currentMove)) {
6893 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6895 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6899 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6904 case MachinePlaysBlack:
6905 case MachinePlaysWhite:
6906 /* disable certain menu options while machine is thinking */
6907 SetMachineThinkingEnables();
6914 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6915 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6917 if(bookHit) { // [HGM] book: simulate book reply
6918 static char bookMove[MSG_SIZ]; // a bit generous?
6920 programStats.nodes = programStats.depth = programStats.time =
6921 programStats.score = programStats.got_only_move = 0;
6922 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6924 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6925 strcat(bookMove, bookHit);
6926 HandleMachineMove(bookMove, &first);
6932 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6934 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6935 Markers *m = (Markers *) closure;
6936 if(rf == fromY && ff == fromX)
6937 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6938 || kind == WhiteCapturesEnPassant
6939 || kind == BlackCapturesEnPassant);
6940 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6944 MarkTargetSquares (int clear)
6947 if(clear) // no reason to ever suppress clearing
6948 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6949 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6950 !appData.testLegality || gameMode == EditPosition) return;
6953 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6954 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6955 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6957 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6960 DrawPosition(FALSE, NULL);
6964 Explode (Board board, int fromX, int fromY, int toX, int toY)
6966 if(gameInfo.variant == VariantAtomic &&
6967 (board[toY][toX] != EmptySquare || // capture?
6968 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6969 board[fromY][fromX] == BlackPawn )
6971 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6977 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6980 CanPromote (ChessSquare piece, int y)
6982 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6983 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6984 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6985 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6986 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6987 gameInfo.variant == VariantMakruk) return FALSE;
6988 return (piece == BlackPawn && y == 1 ||
6989 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6990 piece == BlackLance && y == 1 ||
6991 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6995 LeftClick (ClickType clickType, int xPix, int yPix)
6998 Boolean saveAnimate;
6999 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7000 char promoChoice = NULLCHAR;
7002 static TimeMark lastClickTime, prevClickTime;
7004 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7006 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7008 if (clickType == Press) ErrorPopDown();
7010 x = EventToSquare(xPix, BOARD_WIDTH);
7011 y = EventToSquare(yPix, BOARD_HEIGHT);
7012 if (!flipView && y >= 0) {
7013 y = BOARD_HEIGHT - 1 - y;
7015 if (flipView && x >= 0) {
7016 x = BOARD_WIDTH - 1 - x;
7019 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7020 defaultPromoChoice = promoSweep;
7021 promoSweep = EmptySquare; // terminate sweep
7022 promoDefaultAltered = TRUE;
7023 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7026 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7027 if(clickType == Release) return; // ignore upclick of click-click destination
7028 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7029 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7030 if(gameInfo.holdingsWidth &&
7031 (WhiteOnMove(currentMove)
7032 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7033 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7034 // click in right holdings, for determining promotion piece
7035 ChessSquare p = boards[currentMove][y][x];
7036 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7037 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7038 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7039 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7044 DrawPosition(FALSE, boards[currentMove]);
7048 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7049 if(clickType == Press
7050 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7051 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7052 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7055 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7056 // could be static click on premove from-square: abort premove
7058 ClearPremoveHighlights();
7061 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7062 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7064 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7065 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7066 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7067 defaultPromoChoice = DefaultPromoChoice(side);
7070 autoQueen = appData.alwaysPromoteToQueen;
7074 gatingPiece = EmptySquare;
7075 if (clickType != Press) {
7076 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7077 DragPieceEnd(xPix, yPix); dragging = 0;
7078 DrawPosition(FALSE, NULL);
7082 doubleClick = FALSE;
7083 fromX = x; fromY = y; toX = toY = -1;
7084 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7085 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7086 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7088 if (OKToStartUserMove(fromX, fromY)) {
7090 MarkTargetSquares(0);
7091 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7092 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7093 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7094 promoSweep = defaultPromoChoice;
7095 selectFlag = 0; lastX = xPix; lastY = yPix;
7096 Sweep(0); // Pawn that is going to promote: preview promotion piece
7097 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7099 if (appData.highlightDragging) {
7100 SetHighlights(fromX, fromY, -1, -1);
7104 } else fromX = fromY = -1;
7110 if (clickType == Press && gameMode != EditPosition) {
7115 // ignore off-board to clicks
7116 if(y < 0 || x < 0) return;
7118 /* Check if clicking again on the same color piece */
7119 fromP = boards[currentMove][fromY][fromX];
7120 toP = boards[currentMove][y][x];
7121 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7122 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7123 WhitePawn <= toP && toP <= WhiteKing &&
7124 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7125 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7126 (BlackPawn <= fromP && fromP <= BlackKing &&
7127 BlackPawn <= toP && toP <= BlackKing &&
7128 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7129 !(fromP == BlackKing && toP == BlackRook && frc))) {
7130 /* Clicked again on same color piece -- changed his mind */
7131 second = (x == fromX && y == fromY);
7132 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7133 second = FALSE; // first double-click rather than scond click
7134 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7136 promoDefaultAltered = FALSE;
7137 MarkTargetSquares(1);
7138 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7139 if (appData.highlightDragging) {
7140 SetHighlights(x, y, -1, -1);
7144 if (OKToStartUserMove(x, y)) {
7145 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7146 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7147 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7148 gatingPiece = boards[currentMove][fromY][fromX];
7149 else gatingPiece = doubleClick ? fromP : EmptySquare;
7151 fromY = y; dragging = 1;
7152 MarkTargetSquares(0);
7153 DragPieceBegin(xPix, yPix, FALSE);
7154 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7155 promoSweep = defaultPromoChoice;
7156 selectFlag = 0; lastX = xPix; lastY = yPix;
7157 Sweep(0); // Pawn that is going to promote: preview promotion piece
7161 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7164 // ignore clicks on holdings
7165 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7168 if (clickType == Release && x == fromX && y == fromY) {
7169 DragPieceEnd(xPix, yPix); dragging = 0;
7171 // a deferred attempt to click-click move an empty square on top of a piece
7172 boards[currentMove][y][x] = EmptySquare;
7174 DrawPosition(FALSE, boards[currentMove]);
7175 fromX = fromY = -1; clearFlag = 0;
7178 if (appData.animateDragging) {
7179 /* Undo animation damage if any */
7180 DrawPosition(FALSE, NULL);
7182 if (second || sweepSelecting) {
7183 /* Second up/down in same square; just abort move */
7184 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7185 second = sweepSelecting = 0;
7187 gatingPiece = EmptySquare;
7190 ClearPremoveHighlights();
7192 /* First upclick in same square; start click-click mode */
7193 SetHighlights(x, y, -1, -1);
7200 /* we now have a different from- and (possibly off-board) to-square */
7201 /* Completed move */
7202 if(!sweepSelecting) {
7205 saveAnimate = appData.animate;
7206 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7208 if (clickType == Press) {
7209 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7210 // must be Edit Position mode with empty-square selected
7211 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7212 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7215 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7216 if(appData.sweepSelect) {
7217 ChessSquare piece = boards[currentMove][fromY][fromX];
7218 promoSweep = defaultPromoChoice;
7219 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7220 selectFlag = 0; lastX = xPix; lastY = yPix;
7221 Sweep(0); // Pawn that is going to promote: preview promotion piece
7223 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7224 MarkTargetSquares(1);
7226 return; // promo popup appears on up-click
7228 /* Finish clickclick move */
7229 if (appData.animate || appData.highlightLastMove) {
7230 SetHighlights(fromX, fromY, toX, toY);
7235 /* Finish drag move */
7236 if (appData.highlightLastMove) {
7237 SetHighlights(fromX, fromY, toX, toY);
7241 DragPieceEnd(xPix, yPix); dragging = 0;
7242 /* Don't animate move and drag both */
7243 appData.animate = FALSE;
7245 MarkTargetSquares(1);
7247 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7248 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7249 ChessSquare piece = boards[currentMove][fromY][fromX];
7250 if(gameMode == EditPosition && piece != EmptySquare &&
7251 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7254 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7255 n = PieceToNumber(piece - (int)BlackPawn);
7256 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7257 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7258 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7260 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7261 n = PieceToNumber(piece);
7262 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7263 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7264 boards[currentMove][n][BOARD_WIDTH-2]++;
7266 boards[currentMove][fromY][fromX] = EmptySquare;
7270 DrawPosition(TRUE, boards[currentMove]);
7274 // off-board moves should not be highlighted
7275 if(x < 0 || y < 0) ClearHighlights();
7277 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7279 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7280 SetHighlights(fromX, fromY, toX, toY);
7281 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7282 // [HGM] super: promotion to captured piece selected from holdings
7283 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7284 promotionChoice = TRUE;
7285 // kludge follows to temporarily execute move on display, without promoting yet
7286 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7287 boards[currentMove][toY][toX] = p;
7288 DrawPosition(FALSE, boards[currentMove]);
7289 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7290 boards[currentMove][toY][toX] = q;
7291 DisplayMessage("Click in holdings to choose piece", "");
7296 int oldMove = currentMove;
7297 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7298 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7299 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7300 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7301 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7302 DrawPosition(TRUE, boards[currentMove]);
7305 appData.animate = saveAnimate;
7306 if (appData.animate || appData.animateDragging) {
7307 /* Undo animation damage if needed */
7308 DrawPosition(FALSE, NULL);
7313 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7314 { // front-end-free part taken out of PieceMenuPopup
7315 int whichMenu; int xSqr, ySqr;
7317 if(seekGraphUp) { // [HGM] seekgraph
7318 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7319 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7323 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7324 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7325 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7326 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7327 if(action == Press) {
7328 originalFlip = flipView;
7329 flipView = !flipView; // temporarily flip board to see game from partners perspective
7330 DrawPosition(TRUE, partnerBoard);
7331 DisplayMessage(partnerStatus, "");
7333 } else if(action == Release) {
7334 flipView = originalFlip;
7335 DrawPosition(TRUE, boards[currentMove]);
7341 xSqr = EventToSquare(x, BOARD_WIDTH);
7342 ySqr = EventToSquare(y, BOARD_HEIGHT);
7343 if (action == Release) {
7344 if(pieceSweep != EmptySquare) {
7345 EditPositionMenuEvent(pieceSweep, toX, toY);
7346 pieceSweep = EmptySquare;
7347 } else UnLoadPV(); // [HGM] pv
7349 if (action != Press) return -2; // return code to be ignored
7352 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7354 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7355 if (xSqr < 0 || ySqr < 0) return -1;
7356 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7357 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7358 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7359 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7363 if(!appData.icsEngineAnalyze) return -1;
7364 case IcsPlayingWhite:
7365 case IcsPlayingBlack:
7366 if(!appData.zippyPlay) goto noZip;
7369 case MachinePlaysWhite:
7370 case MachinePlaysBlack:
7371 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7372 if (!appData.dropMenu) {
7374 return 2; // flag front-end to grab mouse events
7376 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7377 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7380 if (xSqr < 0 || ySqr < 0) return -1;
7381 if (!appData.dropMenu || appData.testLegality &&
7382 gameInfo.variant != VariantBughouse &&
7383 gameInfo.variant != VariantCrazyhouse) return -1;
7384 whichMenu = 1; // drop menu
7390 if (((*fromX = xSqr) < 0) ||
7391 ((*fromY = ySqr) < 0)) {
7392 *fromX = *fromY = -1;
7396 *fromX = BOARD_WIDTH - 1 - *fromX;
7398 *fromY = BOARD_HEIGHT - 1 - *fromY;
7404 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7406 // char * hint = lastHint;
7407 FrontEndProgramStats stats;
7409 stats.which = cps == &first ? 0 : 1;
7410 stats.depth = cpstats->depth;
7411 stats.nodes = cpstats->nodes;
7412 stats.score = cpstats->score;
7413 stats.time = cpstats->time;
7414 stats.pv = cpstats->movelist;
7415 stats.hint = lastHint;
7416 stats.an_move_index = 0;
7417 stats.an_move_count = 0;
7419 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7420 stats.hint = cpstats->move_name;
7421 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7422 stats.an_move_count = cpstats->nr_moves;
7425 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
7427 SetProgramStats( &stats );
7431 ClearEngineOutputPane (int which)
7433 static FrontEndProgramStats dummyStats;
7434 dummyStats.which = which;
7435 dummyStats.pv = "#";
7436 SetProgramStats( &dummyStats );
7439 #define MAXPLAYERS 500
7442 TourneyStandings (int display)
7444 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7445 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7446 char result, *p, *names[MAXPLAYERS];
7448 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7449 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7450 names[0] = p = strdup(appData.participants);
7451 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7453 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7455 while(result = appData.results[nr]) {
7456 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7457 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7458 wScore = bScore = 0;
7460 case '+': wScore = 2; break;
7461 case '-': bScore = 2; break;
7462 case '=': wScore = bScore = 1; break;
7464 case '*': return strdup("busy"); // tourney not finished
7472 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7473 for(w=0; w<nPlayers; w++) {
7475 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7476 ranking[w] = b; points[w] = bScore; score[b] = -2;
7478 p = malloc(nPlayers*34+1);
7479 for(w=0; w<nPlayers && w<display; w++)
7480 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7486 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7487 { // count all piece types
7489 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7490 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7491 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7494 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7495 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7496 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7497 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7498 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7499 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7504 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7506 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7507 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7509 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7510 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7511 if(myPawns == 2 && nMine == 3) // KPP
7512 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7513 if(myPawns == 1 && nMine == 2) // KP
7514 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7515 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7516 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7517 if(myPawns) return FALSE;
7518 if(pCnt[WhiteRook+side])
7519 return pCnt[BlackRook-side] ||
7520 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7521 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7522 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7523 if(pCnt[WhiteCannon+side]) {
7524 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7525 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7527 if(pCnt[WhiteKnight+side])
7528 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7533 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7535 VariantClass v = gameInfo.variant;
7537 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7538 if(v == VariantShatranj) return TRUE; // always winnable through baring
7539 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7540 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7542 if(v == VariantXiangqi) {
7543 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7545 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7546 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7547 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7548 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7549 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7550 if(stale) // we have at least one last-rank P plus perhaps C
7551 return majors // KPKX
7552 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7554 return pCnt[WhiteFerz+side] // KCAK
7555 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7556 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7557 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7559 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7560 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7562 if(nMine == 1) return FALSE; // bare King
7563 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
7564 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7565 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7566 // by now we have King + 1 piece (or multiple Bishops on the same color)
7567 if(pCnt[WhiteKnight+side])
7568 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7569 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7570 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7572 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7573 if(pCnt[WhiteAlfil+side])
7574 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7575 if(pCnt[WhiteWazir+side])
7576 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7583 CompareWithRights (Board b1, Board b2)
7586 if(!CompareBoards(b1, b2)) return FALSE;
7587 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7588 /* compare castling rights */
7589 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7590 rights++; /* King lost rights, while rook still had them */
7591 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7592 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7593 rights++; /* but at least one rook lost them */
7595 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7597 if( b1[CASTLING][5] != NoRights ) {
7598 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7605 Adjudicate (ChessProgramState *cps)
7606 { // [HGM] some adjudications useful with buggy engines
7607 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7608 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7609 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7610 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7611 int k, count = 0; static int bare = 1;
7612 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7613 Boolean canAdjudicate = !appData.icsActive;
7615 // most tests only when we understand the game, i.e. legality-checking on
7616 if( appData.testLegality )
7617 { /* [HGM] Some more adjudications for obstinate engines */
7618 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7619 static int moveCount = 6;
7621 char *reason = NULL;
7623 /* Count what is on board. */
7624 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7626 /* Some material-based adjudications that have to be made before stalemate test */
7627 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7628 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7629 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7630 if(canAdjudicate && appData.checkMates) {
7632 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7633 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7634 "Xboard adjudication: King destroyed", GE_XBOARD );
7639 /* Bare King in Shatranj (loses) or Losers (wins) */
7640 if( nrW == 1 || nrB == 1) {
7641 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7642 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7643 if(canAdjudicate && appData.checkMates) {
7645 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7646 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7647 "Xboard adjudication: Bare king", GE_XBOARD );
7651 if( gameInfo.variant == VariantShatranj && --bare < 0)
7653 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7654 if(canAdjudicate && appData.checkMates) {
7655 /* but only adjudicate if adjudication enabled */
7657 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7658 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7659 "Xboard adjudication: Bare king", GE_XBOARD );
7666 // don't wait for engine to announce game end if we can judge ourselves
7667 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7669 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7670 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7671 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7672 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7675 reason = "Xboard adjudication: 3rd check";
7676 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7686 reason = "Xboard adjudication: Stalemate";
7687 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7688 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7689 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7690 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7691 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7692 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7693 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7694 EP_CHECKMATE : EP_WINS);
7695 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7696 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7700 reason = "Xboard adjudication: Checkmate";
7701 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7705 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7707 result = GameIsDrawn; break;
7709 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7711 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7715 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7717 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7718 GameEnds( result, reason, GE_XBOARD );
7722 /* Next absolutely insufficient mating material. */
7723 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7724 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7725 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7727 /* always flag draws, for judging claims */
7728 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7730 if(canAdjudicate && appData.materialDraws) {
7731 /* but only adjudicate them if adjudication enabled */
7732 if(engineOpponent) {
7733 SendToProgram("force\n", engineOpponent); // suppress reply
7734 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7736 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7741 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7742 if(gameInfo.variant == VariantXiangqi ?
7743 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7745 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7746 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7747 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7748 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7750 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7751 { /* if the first 3 moves do not show a tactical win, declare draw */
7752 if(engineOpponent) {
7753 SendToProgram("force\n", engineOpponent); // suppress reply
7754 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7756 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7759 } else moveCount = 6;
7762 // Repetition draws and 50-move rule can be applied independently of legality testing
7764 /* Check for rep-draws */
7766 for(k = forwardMostMove-2;
7767 k>=backwardMostMove && k>=forwardMostMove-100 &&
7768 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7769 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7772 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7773 /* compare castling rights */
7774 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7775 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7776 rights++; /* King lost rights, while rook still had them */
7777 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7778 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7779 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7780 rights++; /* but at least one rook lost them */
7782 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7783 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7785 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7786 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7787 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7790 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7791 && appData.drawRepeats > 1) {
7792 /* adjudicate after user-specified nr of repeats */
7793 int result = GameIsDrawn;
7794 char *details = "XBoard adjudication: repetition draw";
7795 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7796 // [HGM] xiangqi: check for forbidden perpetuals
7797 int m, ourPerpetual = 1, hisPerpetual = 1;
7798 for(m=forwardMostMove; m>k; m-=2) {
7799 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7800 ourPerpetual = 0; // the current mover did not always check
7801 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7802 hisPerpetual = 0; // the opponent did not always check
7804 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7805 ourPerpetual, hisPerpetual);
7806 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7807 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7808 details = "Xboard adjudication: perpetual checking";
7810 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7811 break; // (or we would have caught him before). Abort repetition-checking loop.
7813 // Now check for perpetual chases
7814 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7815 hisPerpetual = PerpetualChase(k, forwardMostMove);
7816 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7817 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7818 static char resdet[MSG_SIZ];
7819 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7821 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7823 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7824 break; // Abort repetition-checking loop.
7826 // if neither of us is checking or chasing all the time, or both are, it is draw
7828 if(engineOpponent) {
7829 SendToProgram("force\n", engineOpponent); // suppress reply
7830 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7832 GameEnds( result, details, GE_XBOARD );
7835 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7836 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7840 /* Now we test for 50-move draws. Determine ply count */
7841 count = forwardMostMove;
7842 /* look for last irreversble move */
7843 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7845 /* if we hit starting position, add initial plies */
7846 if( count == backwardMostMove )
7847 count -= initialRulePlies;
7848 count = forwardMostMove - count;
7849 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7850 // adjust reversible move counter for checks in Xiangqi
7851 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7852 if(i < backwardMostMove) i = backwardMostMove;
7853 while(i <= forwardMostMove) {
7854 lastCheck = inCheck; // check evasion does not count
7855 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7856 if(inCheck || lastCheck) count--; // check does not count
7861 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7862 /* this is used to judge if draw claims are legal */
7863 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7864 if(engineOpponent) {
7865 SendToProgram("force\n", engineOpponent); // suppress reply
7866 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7868 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7872 /* if draw offer is pending, treat it as a draw claim
7873 * when draw condition present, to allow engines a way to
7874 * claim draws before making their move to avoid a race
7875 * condition occurring after their move
7877 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7879 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7880 p = "Draw claim: 50-move rule";
7881 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7882 p = "Draw claim: 3-fold repetition";
7883 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7884 p = "Draw claim: insufficient mating material";
7885 if( p != NULL && canAdjudicate) {
7886 if(engineOpponent) {
7887 SendToProgram("force\n", engineOpponent); // suppress reply
7888 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7890 GameEnds( GameIsDrawn, p, GE_XBOARD );
7895 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7896 if(engineOpponent) {
7897 SendToProgram("force\n", engineOpponent); // suppress reply
7898 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7900 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7907 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7908 { // [HGM] book: this routine intercepts moves to simulate book replies
7909 char *bookHit = NULL;
7911 //first determine if the incoming move brings opponent into his book
7912 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7913 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7914 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7915 if(bookHit != NULL && !cps->bookSuspend) {
7916 // make sure opponent is not going to reply after receiving move to book position
7917 SendToProgram("force\n", cps);
7918 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7920 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7921 // now arrange restart after book miss
7923 // after a book hit we never send 'go', and the code after the call to this routine
7924 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7925 char buf[MSG_SIZ], *move = bookHit;
7927 int fromX, fromY, toX, toY;
7931 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7932 &fromX, &fromY, &toX, &toY, &promoChar)) {
7933 (void) CoordsToAlgebraic(boards[forwardMostMove],
7934 PosFlags(forwardMostMove),
7935 fromY, fromX, toY, toX, promoChar, move);
7937 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7941 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7942 SendToProgram(buf, cps);
7943 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7944 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7945 SendToProgram("go\n", cps);
7946 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7947 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7948 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7949 SendToProgram("go\n", cps);
7950 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7952 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7956 LoadError (char *errmess, ChessProgramState *cps)
7957 { // unloads engine and switches back to -ncp mode if it was first
7958 if(cps->initDone) return FALSE;
7959 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7960 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7963 appData.noChessProgram = TRUE;
7964 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7965 gameMode = BeginningOfGame; ModeHighlight();
7968 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7969 DisplayMessage("", ""); // erase waiting message
7970 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7975 ChessProgramState *savedState;
7977 DeferredBookMove (void)
7979 if(savedState->lastPing != savedState->lastPong)
7980 ScheduleDelayedEvent(DeferredBookMove, 10);
7982 HandleMachineMove(savedMessage, savedState);
7985 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7988 HandleMachineMove (char *message, ChessProgramState *cps)
7990 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7991 char realname[MSG_SIZ];
7992 int fromX, fromY, toX, toY;
7996 int machineWhite, oldError;
7999 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8000 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8001 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8002 DisplayError(_("Invalid pairing from pairing engine"), 0);
8005 pairingReceived = 1;
8007 return; // Skim the pairing messages here.
8010 oldError = cps->userError; cps->userError = 0;
8012 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8014 * Kludge to ignore BEL characters
8016 while (*message == '\007') message++;
8019 * [HGM] engine debug message: ignore lines starting with '#' character
8021 if(cps->debug && *message == '#') return;
8024 * Look for book output
8026 if (cps == &first && bookRequested) {
8027 if (message[0] == '\t' || message[0] == ' ') {
8028 /* Part of the book output is here; append it */
8029 strcat(bookOutput, message);
8030 strcat(bookOutput, " \n");
8032 } else if (bookOutput[0] != NULLCHAR) {
8033 /* All of book output has arrived; display it */
8034 char *p = bookOutput;
8035 while (*p != NULLCHAR) {
8036 if (*p == '\t') *p = ' ';
8039 DisplayInformation(bookOutput);
8040 bookRequested = FALSE;
8041 /* Fall through to parse the current output */
8046 * Look for machine move.
8048 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8049 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8051 /* This method is only useful on engines that support ping */
8052 if (cps->lastPing != cps->lastPong) {
8053 if (gameMode == BeginningOfGame) {
8054 /* Extra move from before last new; ignore */
8055 if (appData.debugMode) {
8056 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8059 if (appData.debugMode) {
8060 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8061 cps->which, gameMode);
8064 SendToProgram("undo\n", cps);
8070 case BeginningOfGame:
8071 /* Extra move from before last reset; ignore */
8072 if (appData.debugMode) {
8073 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8080 /* Extra move after we tried to stop. The mode test is
8081 not a reliable way of detecting this problem, but it's
8082 the best we can do on engines that don't support ping.
8084 if (appData.debugMode) {
8085 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8086 cps->which, gameMode);
8088 SendToProgram("undo\n", cps);
8091 case MachinePlaysWhite:
8092 case IcsPlayingWhite:
8093 machineWhite = TRUE;
8096 case MachinePlaysBlack:
8097 case IcsPlayingBlack:
8098 machineWhite = FALSE;
8101 case TwoMachinesPlay:
8102 machineWhite = (cps->twoMachinesColor[0] == 'w');
8105 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8106 if (appData.debugMode) {
8108 "Ignoring move out of turn by %s, gameMode %d"
8109 ", forwardMost %d\n",
8110 cps->which, gameMode, forwardMostMove);
8115 if(cps->alphaRank) AlphaRank(machineMove, 4);
8116 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8117 &fromX, &fromY, &toX, &toY, &promoChar)) {
8118 /* Machine move could not be parsed; ignore it. */
8119 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8120 machineMove, _(cps->which));
8121 DisplayError(buf1, 0);
8122 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8123 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8124 if (gameMode == TwoMachinesPlay) {
8125 GameEnds(machineWhite ? BlackWins : WhiteWins,
8131 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8132 /* So we have to redo legality test with true e.p. status here, */
8133 /* to make sure an illegal e.p. capture does not slip through, */
8134 /* to cause a forfeit on a justified illegal-move complaint */
8135 /* of the opponent. */
8136 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8138 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8139 fromY, fromX, toY, toX, promoChar);
8140 if(moveType == IllegalMove) {
8141 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8142 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8143 GameEnds(machineWhite ? BlackWins : WhiteWins,
8146 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8147 /* [HGM] Kludge to handle engines that send FRC-style castling
8148 when they shouldn't (like TSCP-Gothic) */
8150 case WhiteASideCastleFR:
8151 case BlackASideCastleFR:
8153 currentMoveString[2]++;
8155 case WhiteHSideCastleFR:
8156 case BlackHSideCastleFR:
8158 currentMoveString[2]--;
8160 default: ; // nothing to do, but suppresses warning of pedantic compilers
8163 hintRequested = FALSE;
8164 lastHint[0] = NULLCHAR;
8165 bookRequested = FALSE;
8166 /* Program may be pondering now */
8167 cps->maybeThinking = TRUE;
8168 if (cps->sendTime == 2) cps->sendTime = 1;
8169 if (cps->offeredDraw) cps->offeredDraw--;
8171 /* [AS] Save move info*/
8172 pvInfoList[ forwardMostMove ].score = programStats.score;
8173 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8174 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8176 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8178 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8179 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8182 while( count < adjudicateLossPlies ) {
8183 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8186 score = -score; /* Flip score for winning side */
8189 if( score > adjudicateLossThreshold ) {
8196 if( count >= adjudicateLossPlies ) {
8197 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8199 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8200 "Xboard adjudication",
8207 if(Adjudicate(cps)) {
8208 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8209 return; // [HGM] adjudicate: for all automatic game ends
8213 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8215 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8216 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8218 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8220 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8222 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8223 char buf[3*MSG_SIZ];
8225 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8226 programStats.score / 100.,
8228 programStats.time / 100.,
8229 (unsigned int)programStats.nodes,
8230 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8231 programStats.movelist);
8233 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8238 /* [AS] Clear stats for next move */
8239 ClearProgramStats();
8240 thinkOutput[0] = NULLCHAR;
8241 hiddenThinkOutputState = 0;
8244 if (gameMode == TwoMachinesPlay) {
8245 /* [HGM] relaying draw offers moved to after reception of move */
8246 /* and interpreting offer as claim if it brings draw condition */
8247 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8248 SendToProgram("draw\n", cps->other);
8250 if (cps->other->sendTime) {
8251 SendTimeRemaining(cps->other,
8252 cps->other->twoMachinesColor[0] == 'w');
8254 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8255 if (firstMove && !bookHit) {
8257 if (cps->other->useColors) {
8258 SendToProgram(cps->other->twoMachinesColor, cps->other);
8260 SendToProgram("go\n", cps->other);
8262 cps->other->maybeThinking = TRUE;
8265 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8267 if (!pausing && appData.ringBellAfterMoves) {
8272 * Reenable menu items that were disabled while
8273 * machine was thinking
8275 if (gameMode != TwoMachinesPlay)
8276 SetUserThinkingEnables();
8278 // [HGM] book: after book hit opponent has received move and is now in force mode
8279 // force the book reply into it, and then fake that it outputted this move by jumping
8280 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8282 static char bookMove[MSG_SIZ]; // a bit generous?
8284 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8285 strcat(bookMove, bookHit);
8288 programStats.nodes = programStats.depth = programStats.time =
8289 programStats.score = programStats.got_only_move = 0;
8290 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8292 if(cps->lastPing != cps->lastPong) {
8293 savedMessage = message; // args for deferred call
8295 ScheduleDelayedEvent(DeferredBookMove, 10);
8304 /* Set special modes for chess engines. Later something general
8305 * could be added here; for now there is just one kludge feature,
8306 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8307 * when "xboard" is given as an interactive command.
8309 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8310 cps->useSigint = FALSE;
8311 cps->useSigterm = FALSE;
8313 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8314 ParseFeatures(message+8, cps);
8315 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8318 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8319 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8320 int dummy, s=6; char buf[MSG_SIZ];
8321 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8322 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8323 if(startedFromSetupPosition) return;
8324 ParseFEN(boards[0], &dummy, message+s);
8325 DrawPosition(TRUE, boards[0]);
8326 startedFromSetupPosition = TRUE;
8329 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8330 * want this, I was asked to put it in, and obliged.
8332 if (!strncmp(message, "setboard ", 9)) {
8333 Board initial_position;
8335 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8337 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8338 DisplayError(_("Bad FEN received from engine"), 0);
8342 CopyBoard(boards[0], initial_position);
8343 initialRulePlies = FENrulePlies;
8344 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8345 else gameMode = MachinePlaysBlack;
8346 DrawPosition(FALSE, boards[currentMove]);
8352 * Look for communication commands
8354 if (!strncmp(message, "telluser ", 9)) {
8355 if(message[9] == '\\' && message[10] == '\\')
8356 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8358 DisplayNote(message + 9);
8361 if (!strncmp(message, "tellusererror ", 14)) {
8363 if(message[14] == '\\' && message[15] == '\\')
8364 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8366 DisplayError(message + 14, 0);
8369 if (!strncmp(message, "tellopponent ", 13)) {
8370 if (appData.icsActive) {
8372 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8376 DisplayNote(message + 13);
8380 if (!strncmp(message, "tellothers ", 11)) {
8381 if (appData.icsActive) {
8383 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8389 if (!strncmp(message, "tellall ", 8)) {
8390 if (appData.icsActive) {
8392 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8396 DisplayNote(message + 8);
8400 if (strncmp(message, "warning", 7) == 0) {
8401 /* Undocumented feature, use tellusererror in new code */
8402 DisplayError(message, 0);
8405 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8406 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8407 strcat(realname, " query");
8408 AskQuestion(realname, buf2, buf1, cps->pr);
8411 /* Commands from the engine directly to ICS. We don't allow these to be
8412 * sent until we are logged on. Crafty kibitzes have been known to
8413 * interfere with the login process.
8416 if (!strncmp(message, "tellics ", 8)) {
8417 SendToICS(message + 8);
8421 if (!strncmp(message, "tellicsnoalias ", 15)) {
8422 SendToICS(ics_prefix);
8423 SendToICS(message + 15);
8427 /* The following are for backward compatibility only */
8428 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8429 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8430 SendToICS(ics_prefix);
8436 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8440 * If the move is illegal, cancel it and redraw the board.
8441 * Also deal with other error cases. Matching is rather loose
8442 * here to accommodate engines written before the spec.
8444 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8445 strncmp(message, "Error", 5) == 0) {
8446 if (StrStr(message, "name") ||
8447 StrStr(message, "rating") || StrStr(message, "?") ||
8448 StrStr(message, "result") || StrStr(message, "board") ||
8449 StrStr(message, "bk") || StrStr(message, "computer") ||
8450 StrStr(message, "variant") || StrStr(message, "hint") ||
8451 StrStr(message, "random") || StrStr(message, "depth") ||
8452 StrStr(message, "accepted")) {
8455 if (StrStr(message, "protover")) {
8456 /* Program is responding to input, so it's apparently done
8457 initializing, and this error message indicates it is
8458 protocol version 1. So we don't need to wait any longer
8459 for it to initialize and send feature commands. */
8460 FeatureDone(cps, 1);
8461 cps->protocolVersion = 1;
8464 cps->maybeThinking = FALSE;
8466 if (StrStr(message, "draw")) {
8467 /* Program doesn't have "draw" command */
8468 cps->sendDrawOffers = 0;
8471 if (cps->sendTime != 1 &&
8472 (StrStr(message, "time") || StrStr(message, "otim"))) {
8473 /* Program apparently doesn't have "time" or "otim" command */
8477 if (StrStr(message, "analyze")) {
8478 cps->analysisSupport = FALSE;
8479 cps->analyzing = FALSE;
8480 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8481 EditGameEvent(); // [HGM] try to preserve loaded game
8482 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8483 DisplayError(buf2, 0);
8486 if (StrStr(message, "(no matching move)st")) {
8487 /* Special kludge for GNU Chess 4 only */
8488 cps->stKludge = TRUE;
8489 SendTimeControl(cps, movesPerSession, timeControl,
8490 timeIncrement, appData.searchDepth,
8494 if (StrStr(message, "(no matching move)sd")) {
8495 /* Special kludge for GNU Chess 4 only */
8496 cps->sdKludge = TRUE;
8497 SendTimeControl(cps, movesPerSession, timeControl,
8498 timeIncrement, appData.searchDepth,
8502 if (!StrStr(message, "llegal")) {
8505 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8506 gameMode == IcsIdle) return;
8507 if (forwardMostMove <= backwardMostMove) return;
8508 if (pausing) PauseEvent();
8509 if(appData.forceIllegal) {
8510 // [HGM] illegal: machine refused move; force position after move into it
8511 SendToProgram("force\n", cps);
8512 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8513 // we have a real problem now, as SendBoard will use the a2a3 kludge
8514 // when black is to move, while there might be nothing on a2 or black
8515 // might already have the move. So send the board as if white has the move.
8516 // But first we must change the stm of the engine, as it refused the last move
8517 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8518 if(WhiteOnMove(forwardMostMove)) {
8519 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8520 SendBoard(cps, forwardMostMove); // kludgeless board
8522 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8523 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8524 SendBoard(cps, forwardMostMove+1); // kludgeless board
8526 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8527 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8528 gameMode == TwoMachinesPlay)
8529 SendToProgram("go\n", cps);
8532 if (gameMode == PlayFromGameFile) {
8533 /* Stop reading this game file */
8534 gameMode = EditGame;
8537 /* [HGM] illegal-move claim should forfeit game when Xboard */
8538 /* only passes fully legal moves */
8539 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8540 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8541 "False illegal-move claim", GE_XBOARD );
8542 return; // do not take back move we tested as valid
8544 currentMove = forwardMostMove-1;
8545 DisplayMove(currentMove-1); /* before DisplayMoveError */
8546 SwitchClocks(forwardMostMove-1); // [HGM] race
8547 DisplayBothClocks();
8548 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8549 parseList[currentMove], _(cps->which));
8550 DisplayMoveError(buf1);
8551 DrawPosition(FALSE, boards[currentMove]);
8553 SetUserThinkingEnables();
8556 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8557 /* Program has a broken "time" command that
8558 outputs a string not ending in newline.
8564 * If chess program startup fails, exit with an error message.
8565 * Attempts to recover here are futile. [HGM] Well, we try anyway
8567 if ((StrStr(message, "unknown host") != NULL)
8568 || (StrStr(message, "No remote directory") != NULL)
8569 || (StrStr(message, "not found") != NULL)
8570 || (StrStr(message, "No such file") != NULL)
8571 || (StrStr(message, "can't alloc") != NULL)
8572 || (StrStr(message, "Permission denied") != NULL)) {
8574 cps->maybeThinking = FALSE;
8575 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8576 _(cps->which), cps->program, cps->host, message);
8577 RemoveInputSource(cps->isr);
8578 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8579 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8580 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8586 * Look for hint output
8588 if (sscanf(message, "Hint: %s", buf1) == 1) {
8589 if (cps == &first && hintRequested) {
8590 hintRequested = FALSE;
8591 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8592 &fromX, &fromY, &toX, &toY, &promoChar)) {
8593 (void) CoordsToAlgebraic(boards[forwardMostMove],
8594 PosFlags(forwardMostMove),
8595 fromY, fromX, toY, toX, promoChar, buf1);
8596 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8597 DisplayInformation(buf2);
8599 /* Hint move could not be parsed!? */
8600 snprintf(buf2, sizeof(buf2),
8601 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8602 buf1, _(cps->which));
8603 DisplayError(buf2, 0);
8606 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8612 * Ignore other messages if game is not in progress
8614 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8615 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8618 * look for win, lose, draw, or draw offer
8620 if (strncmp(message, "1-0", 3) == 0) {
8621 char *p, *q, *r = "";
8622 p = strchr(message, '{');
8630 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8632 } else if (strncmp(message, "0-1", 3) == 0) {
8633 char *p, *q, *r = "";
8634 p = strchr(message, '{');
8642 /* Kludge for Arasan 4.1 bug */
8643 if (strcmp(r, "Black resigns") == 0) {
8644 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8647 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8649 } else if (strncmp(message, "1/2", 3) == 0) {
8650 char *p, *q, *r = "";
8651 p = strchr(message, '{');
8660 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8663 } else if (strncmp(message, "White resign", 12) == 0) {
8664 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8666 } else if (strncmp(message, "Black resign", 12) == 0) {
8667 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8669 } else if (strncmp(message, "White matches", 13) == 0 ||
8670 strncmp(message, "Black matches", 13) == 0 ) {
8671 /* [HGM] ignore GNUShogi noises */
8673 } else if (strncmp(message, "White", 5) == 0 &&
8674 message[5] != '(' &&
8675 StrStr(message, "Black") == NULL) {
8676 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8678 } else if (strncmp(message, "Black", 5) == 0 &&
8679 message[5] != '(') {
8680 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8682 } else if (strcmp(message, "resign") == 0 ||
8683 strcmp(message, "computer resigns") == 0) {
8685 case MachinePlaysBlack:
8686 case IcsPlayingBlack:
8687 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8689 case MachinePlaysWhite:
8690 case IcsPlayingWhite:
8691 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8693 case TwoMachinesPlay:
8694 if (cps->twoMachinesColor[0] == 'w')
8695 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8697 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8704 } else if (strncmp(message, "opponent mates", 14) == 0) {
8706 case MachinePlaysBlack:
8707 case IcsPlayingBlack:
8708 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8710 case MachinePlaysWhite:
8711 case IcsPlayingWhite:
8712 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8714 case TwoMachinesPlay:
8715 if (cps->twoMachinesColor[0] == 'w')
8716 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8718 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8725 } else if (strncmp(message, "computer mates", 14) == 0) {
8727 case MachinePlaysBlack:
8728 case IcsPlayingBlack:
8729 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8731 case MachinePlaysWhite:
8732 case IcsPlayingWhite:
8733 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8735 case TwoMachinesPlay:
8736 if (cps->twoMachinesColor[0] == 'w')
8737 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8739 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8746 } else if (strncmp(message, "checkmate", 9) == 0) {
8747 if (WhiteOnMove(forwardMostMove)) {
8748 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8750 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8753 } else if (strstr(message, "Draw") != NULL ||
8754 strstr(message, "game is a draw") != NULL) {
8755 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8757 } else if (strstr(message, "offer") != NULL &&
8758 strstr(message, "draw") != NULL) {
8760 if (appData.zippyPlay && first.initDone) {
8761 /* Relay offer to ICS */
8762 SendToICS(ics_prefix);
8763 SendToICS("draw\n");
8766 cps->offeredDraw = 2; /* valid until this engine moves twice */
8767 if (gameMode == TwoMachinesPlay) {
8768 if (cps->other->offeredDraw) {
8769 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8770 /* [HGM] in two-machine mode we delay relaying draw offer */
8771 /* until after we also have move, to see if it is really claim */
8773 } else if (gameMode == MachinePlaysWhite ||
8774 gameMode == MachinePlaysBlack) {
8775 if (userOfferedDraw) {
8776 DisplayInformation(_("Machine accepts your draw offer"));
8777 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8779 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8786 * Look for thinking output
8788 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8789 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8791 int plylev, mvleft, mvtot, curscore, time;
8792 char mvname[MOVE_LEN];
8796 int prefixHint = FALSE;
8797 mvname[0] = NULLCHAR;
8800 case MachinePlaysBlack:
8801 case IcsPlayingBlack:
8802 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8804 case MachinePlaysWhite:
8805 case IcsPlayingWhite:
8806 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8811 case IcsObserving: /* [DM] icsEngineAnalyze */
8812 if (!appData.icsEngineAnalyze) ignore = TRUE;
8814 case TwoMachinesPlay:
8815 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8825 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8827 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8828 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8830 if (plyext != ' ' && plyext != '\t') {
8834 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8835 if( cps->scoreIsAbsolute &&
8836 ( gameMode == MachinePlaysBlack ||
8837 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8838 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8839 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8840 !WhiteOnMove(currentMove)
8843 curscore = -curscore;
8846 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8848 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8851 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8852 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8853 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8854 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8855 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8856 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8858 } else DisplayError(_("failed writing PV"), 0);
8861 tempStats.depth = plylev;
8862 tempStats.nodes = nodes;
8863 tempStats.time = time;
8864 tempStats.score = curscore;
8865 tempStats.got_only_move = 0;
8867 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8870 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8871 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8872 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8873 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8874 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8875 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8876 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8877 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8880 /* Buffer overflow protection */
8881 if (pv[0] != NULLCHAR) {
8882 if (strlen(pv) >= sizeof(tempStats.movelist)
8883 && appData.debugMode) {
8885 "PV is too long; using the first %u bytes.\n",
8886 (unsigned) sizeof(tempStats.movelist) - 1);
8889 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8891 sprintf(tempStats.movelist, " no PV\n");
8894 if (tempStats.seen_stat) {
8895 tempStats.ok_to_send = 1;
8898 if (strchr(tempStats.movelist, '(') != NULL) {
8899 tempStats.line_is_book = 1;
8900 tempStats.nr_moves = 0;
8901 tempStats.moves_left = 0;
8903 tempStats.line_is_book = 0;
8906 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8907 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8909 SendProgramStatsToFrontend( cps, &tempStats );
8912 [AS] Protect the thinkOutput buffer from overflow... this
8913 is only useful if buf1 hasn't overflowed first!
8915 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8917 (gameMode == TwoMachinesPlay ?
8918 ToUpper(cps->twoMachinesColor[0]) : ' '),
8919 ((double) curscore) / 100.0,
8920 prefixHint ? lastHint : "",
8921 prefixHint ? " " : "" );
8923 if( buf1[0] != NULLCHAR ) {
8924 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8926 if( strlen(pv) > max_len ) {
8927 if( appData.debugMode) {
8928 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8930 pv[max_len+1] = '\0';
8933 strcat( thinkOutput, pv);
8936 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8937 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8938 DisplayMove(currentMove - 1);
8942 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8943 /* crafty (9.25+) says "(only move) <move>"
8944 * if there is only 1 legal move
8946 sscanf(p, "(only move) %s", buf1);
8947 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8948 sprintf(programStats.movelist, "%s (only move)", buf1);
8949 programStats.depth = 1;
8950 programStats.nr_moves = 1;
8951 programStats.moves_left = 1;
8952 programStats.nodes = 1;
8953 programStats.time = 1;
8954 programStats.got_only_move = 1;
8956 /* Not really, but we also use this member to
8957 mean "line isn't going to change" (Crafty
8958 isn't searching, so stats won't change) */
8959 programStats.line_is_book = 1;
8961 SendProgramStatsToFrontend( cps, &programStats );
8963 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8964 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8965 DisplayMove(currentMove - 1);
8968 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8969 &time, &nodes, &plylev, &mvleft,
8970 &mvtot, mvname) >= 5) {
8971 /* The stat01: line is from Crafty (9.29+) in response
8972 to the "." command */
8973 programStats.seen_stat = 1;
8974 cps->maybeThinking = TRUE;
8976 if (programStats.got_only_move || !appData.periodicUpdates)
8979 programStats.depth = plylev;
8980 programStats.time = time;
8981 programStats.nodes = nodes;
8982 programStats.moves_left = mvleft;
8983 programStats.nr_moves = mvtot;
8984 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8985 programStats.ok_to_send = 1;
8986 programStats.movelist[0] = '\0';
8988 SendProgramStatsToFrontend( cps, &programStats );
8992 } else if (strncmp(message,"++",2) == 0) {
8993 /* Crafty 9.29+ outputs this */
8994 programStats.got_fail = 2;
8997 } else if (strncmp(message,"--",2) == 0) {
8998 /* Crafty 9.29+ outputs this */
8999 programStats.got_fail = 1;
9002 } else if (thinkOutput[0] != NULLCHAR &&
9003 strncmp(message, " ", 4) == 0) {
9004 unsigned message_len;
9007 while (*p && *p == ' ') p++;
9009 message_len = strlen( p );
9011 /* [AS] Avoid buffer overflow */
9012 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9013 strcat(thinkOutput, " ");
9014 strcat(thinkOutput, p);
9017 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9018 strcat(programStats.movelist, " ");
9019 strcat(programStats.movelist, p);
9022 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9023 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9024 DisplayMove(currentMove - 1);
9032 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9033 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9035 ChessProgramStats cpstats;
9037 if (plyext != ' ' && plyext != '\t') {
9041 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9042 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9043 curscore = -curscore;
9046 cpstats.depth = plylev;
9047 cpstats.nodes = nodes;
9048 cpstats.time = time;
9049 cpstats.score = curscore;
9050 cpstats.got_only_move = 0;
9051 cpstats.movelist[0] = '\0';
9053 if (buf1[0] != NULLCHAR) {
9054 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9057 cpstats.ok_to_send = 0;
9058 cpstats.line_is_book = 0;
9059 cpstats.nr_moves = 0;
9060 cpstats.moves_left = 0;
9062 SendProgramStatsToFrontend( cps, &cpstats );
9069 /* Parse a game score from the character string "game", and
9070 record it as the history of the current game. The game
9071 score is NOT assumed to start from the standard position.
9072 The display is not updated in any way.
9075 ParseGameHistory (char *game)
9078 int fromX, fromY, toX, toY, boardIndex;
9083 if (appData.debugMode)
9084 fprintf(debugFP, "Parsing game history: %s\n", game);
9086 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9087 gameInfo.site = StrSave(appData.icsHost);
9088 gameInfo.date = PGNDate();
9089 gameInfo.round = StrSave("-");
9091 /* Parse out names of players */
9092 while (*game == ' ') game++;
9094 while (*game != ' ') *p++ = *game++;
9096 gameInfo.white = StrSave(buf);
9097 while (*game == ' ') game++;
9099 while (*game != ' ' && *game != '\n') *p++ = *game++;
9101 gameInfo.black = StrSave(buf);
9104 boardIndex = blackPlaysFirst ? 1 : 0;
9107 yyboardindex = boardIndex;
9108 moveType = (ChessMove) Myylex();
9110 case IllegalMove: /* maybe suicide chess, etc. */
9111 if (appData.debugMode) {
9112 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9113 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9114 setbuf(debugFP, NULL);
9116 case WhitePromotion:
9117 case BlackPromotion:
9118 case WhiteNonPromotion:
9119 case BlackNonPromotion:
9121 case WhiteCapturesEnPassant:
9122 case BlackCapturesEnPassant:
9123 case WhiteKingSideCastle:
9124 case WhiteQueenSideCastle:
9125 case BlackKingSideCastle:
9126 case BlackQueenSideCastle:
9127 case WhiteKingSideCastleWild:
9128 case WhiteQueenSideCastleWild:
9129 case BlackKingSideCastleWild:
9130 case BlackQueenSideCastleWild:
9132 case WhiteHSideCastleFR:
9133 case WhiteASideCastleFR:
9134 case BlackHSideCastleFR:
9135 case BlackASideCastleFR:
9137 fromX = currentMoveString[0] - AAA;
9138 fromY = currentMoveString[1] - ONE;
9139 toX = currentMoveString[2] - AAA;
9140 toY = currentMoveString[3] - ONE;
9141 promoChar = currentMoveString[4];
9145 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9146 fromX = moveType == WhiteDrop ?
9147 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9148 (int) CharToPiece(ToLower(currentMoveString[0]));
9150 toX = currentMoveString[2] - AAA;
9151 toY = currentMoveString[3] - ONE;
9152 promoChar = NULLCHAR;
9156 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9157 if (appData.debugMode) {
9158 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9159 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9160 setbuf(debugFP, NULL);
9162 DisplayError(buf, 0);
9164 case ImpossibleMove:
9166 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9167 if (appData.debugMode) {
9168 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9169 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9170 setbuf(debugFP, NULL);
9172 DisplayError(buf, 0);
9175 if (boardIndex < backwardMostMove) {
9176 /* Oops, gap. How did that happen? */
9177 DisplayError(_("Gap in move list"), 0);
9180 backwardMostMove = blackPlaysFirst ? 1 : 0;
9181 if (boardIndex > forwardMostMove) {
9182 forwardMostMove = boardIndex;
9186 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9187 strcat(parseList[boardIndex-1], " ");
9188 strcat(parseList[boardIndex-1], yy_text);
9200 case GameUnfinished:
9201 if (gameMode == IcsExamining) {
9202 if (boardIndex < backwardMostMove) {
9203 /* Oops, gap. How did that happen? */
9206 backwardMostMove = blackPlaysFirst ? 1 : 0;
9209 gameInfo.result = moveType;
9210 p = strchr(yy_text, '{');
9211 if (p == NULL) p = strchr(yy_text, '(');
9214 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9216 q = strchr(p, *p == '{' ? '}' : ')');
9217 if (q != NULL) *q = NULLCHAR;
9220 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9221 gameInfo.resultDetails = StrSave(p);
9224 if (boardIndex >= forwardMostMove &&
9225 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9226 backwardMostMove = blackPlaysFirst ? 1 : 0;
9229 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9230 fromY, fromX, toY, toX, promoChar,
9231 parseList[boardIndex]);
9232 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9233 /* currentMoveString is set as a side-effect of yylex */
9234 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9235 strcat(moveList[boardIndex], "\n");
9237 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9238 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9244 if(gameInfo.variant != VariantShogi)
9245 strcat(parseList[boardIndex - 1], "+");
9249 strcat(parseList[boardIndex - 1], "#");
9256 /* Apply a move to the given board */
9258 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9260 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9261 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9263 /* [HGM] compute & store e.p. status and castling rights for new position */
9264 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9266 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9267 oldEP = (signed char)board[EP_STATUS];
9268 board[EP_STATUS] = EP_NONE;
9270 if (fromY == DROP_RANK) {
9272 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9273 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9276 piece = board[toY][toX] = (ChessSquare) fromX;
9280 if( board[toY][toX] != EmptySquare )
9281 board[EP_STATUS] = EP_CAPTURE;
9283 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9284 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9285 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9287 if( board[fromY][fromX] == WhitePawn ) {
9288 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9289 board[EP_STATUS] = EP_PAWN_MOVE;
9291 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9292 gameInfo.variant != VariantBerolina || toX < fromX)
9293 board[EP_STATUS] = toX | berolina;
9294 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9295 gameInfo.variant != VariantBerolina || toX > fromX)
9296 board[EP_STATUS] = toX;
9299 if( board[fromY][fromX] == BlackPawn ) {
9300 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9301 board[EP_STATUS] = EP_PAWN_MOVE;
9302 if( toY-fromY== -2) {
9303 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9304 gameInfo.variant != VariantBerolina || toX < fromX)
9305 board[EP_STATUS] = toX | berolina;
9306 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9307 gameInfo.variant != VariantBerolina || toX > fromX)
9308 board[EP_STATUS] = toX;
9312 for(i=0; i<nrCastlingRights; i++) {
9313 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9314 board[CASTLING][i] == toX && castlingRank[i] == toY
9315 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9318 if (fromX == toX && fromY == toY) return;
9320 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9321 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9322 if(gameInfo.variant == VariantKnightmate)
9323 king += (int) WhiteUnicorn - (int) WhiteKing;
9325 /* Code added by Tord: */
9326 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9327 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9328 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9329 board[fromY][fromX] = EmptySquare;
9330 board[toY][toX] = EmptySquare;
9331 if((toX > fromX) != (piece == WhiteRook)) {
9332 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9334 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9336 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9337 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9338 board[fromY][fromX] = EmptySquare;
9339 board[toY][toX] = EmptySquare;
9340 if((toX > fromX) != (piece == BlackRook)) {
9341 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9343 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9345 /* End of code added by Tord */
9347 } else if (board[fromY][fromX] == king
9348 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9349 && toY == fromY && toX > fromX+1) {
9350 board[fromY][fromX] = EmptySquare;
9351 board[toY][toX] = king;
9352 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9353 board[fromY][BOARD_RGHT-1] = EmptySquare;
9354 } else if (board[fromY][fromX] == king
9355 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9356 && toY == fromY && toX < fromX-1) {
9357 board[fromY][fromX] = EmptySquare;
9358 board[toY][toX] = king;
9359 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9360 board[fromY][BOARD_LEFT] = EmptySquare;
9361 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9362 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9363 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9365 /* white pawn promotion */
9366 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9367 if(gameInfo.variant==VariantBughouse ||
9368 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9369 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9370 board[fromY][fromX] = EmptySquare;
9371 } else if ((fromY >= BOARD_HEIGHT>>1)
9373 && gameInfo.variant != VariantXiangqi
9374 && gameInfo.variant != VariantBerolina
9375 && (board[fromY][fromX] == WhitePawn)
9376 && (board[toY][toX] == EmptySquare)) {
9377 board[fromY][fromX] = EmptySquare;
9378 board[toY][toX] = WhitePawn;
9379 captured = board[toY - 1][toX];
9380 board[toY - 1][toX] = EmptySquare;
9381 } else if ((fromY == BOARD_HEIGHT-4)
9383 && gameInfo.variant == VariantBerolina
9384 && (board[fromY][fromX] == WhitePawn)
9385 && (board[toY][toX] == EmptySquare)) {
9386 board[fromY][fromX] = EmptySquare;
9387 board[toY][toX] = WhitePawn;
9388 if(oldEP & EP_BEROLIN_A) {
9389 captured = board[fromY][fromX-1];
9390 board[fromY][fromX-1] = EmptySquare;
9391 }else{ captured = board[fromY][fromX+1];
9392 board[fromY][fromX+1] = EmptySquare;
9394 } else if (board[fromY][fromX] == king
9395 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9396 && toY == fromY && toX > fromX+1) {
9397 board[fromY][fromX] = EmptySquare;
9398 board[toY][toX] = king;
9399 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9400 board[fromY][BOARD_RGHT-1] = EmptySquare;
9401 } else if (board[fromY][fromX] == king
9402 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9403 && toY == fromY && toX < fromX-1) {
9404 board[fromY][fromX] = EmptySquare;
9405 board[toY][toX] = king;
9406 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9407 board[fromY][BOARD_LEFT] = EmptySquare;
9408 } else if (fromY == 7 && fromX == 3
9409 && board[fromY][fromX] == BlackKing
9410 && toY == 7 && toX == 5) {
9411 board[fromY][fromX] = EmptySquare;
9412 board[toY][toX] = BlackKing;
9413 board[fromY][7] = EmptySquare;
9414 board[toY][4] = BlackRook;
9415 } else if (fromY == 7 && fromX == 3
9416 && board[fromY][fromX] == BlackKing
9417 && toY == 7 && toX == 1) {
9418 board[fromY][fromX] = EmptySquare;
9419 board[toY][toX] = BlackKing;
9420 board[fromY][0] = EmptySquare;
9421 board[toY][2] = BlackRook;
9422 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9423 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9424 && toY < promoRank && promoChar
9426 /* black pawn promotion */
9427 board[toY][toX] = CharToPiece(ToLower(promoChar));
9428 if(gameInfo.variant==VariantBughouse ||
9429 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9430 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9431 board[fromY][fromX] = EmptySquare;
9432 } else if ((fromY < BOARD_HEIGHT>>1)
9434 && gameInfo.variant != VariantXiangqi
9435 && gameInfo.variant != VariantBerolina
9436 && (board[fromY][fromX] == BlackPawn)
9437 && (board[toY][toX] == EmptySquare)) {
9438 board[fromY][fromX] = EmptySquare;
9439 board[toY][toX] = BlackPawn;
9440 captured = board[toY + 1][toX];
9441 board[toY + 1][toX] = EmptySquare;
9442 } else if ((fromY == 3)
9444 && gameInfo.variant == VariantBerolina
9445 && (board[fromY][fromX] == BlackPawn)
9446 && (board[toY][toX] == EmptySquare)) {
9447 board[fromY][fromX] = EmptySquare;
9448 board[toY][toX] = BlackPawn;
9449 if(oldEP & EP_BEROLIN_A) {
9450 captured = board[fromY][fromX-1];
9451 board[fromY][fromX-1] = EmptySquare;
9452 }else{ captured = board[fromY][fromX+1];
9453 board[fromY][fromX+1] = EmptySquare;
9456 board[toY][toX] = board[fromY][fromX];
9457 board[fromY][fromX] = EmptySquare;
9461 if (gameInfo.holdingsWidth != 0) {
9463 /* !!A lot more code needs to be written to support holdings */
9464 /* [HGM] OK, so I have written it. Holdings are stored in the */
9465 /* penultimate board files, so they are automaticlly stored */
9466 /* in the game history. */
9467 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9468 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9469 /* Delete from holdings, by decreasing count */
9470 /* and erasing image if necessary */
9471 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9472 if(p < (int) BlackPawn) { /* white drop */
9473 p -= (int)WhitePawn;
9474 p = PieceToNumber((ChessSquare)p);
9475 if(p >= gameInfo.holdingsSize) p = 0;
9476 if(--board[p][BOARD_WIDTH-2] <= 0)
9477 board[p][BOARD_WIDTH-1] = EmptySquare;
9478 if((int)board[p][BOARD_WIDTH-2] < 0)
9479 board[p][BOARD_WIDTH-2] = 0;
9480 } else { /* black drop */
9481 p -= (int)BlackPawn;
9482 p = PieceToNumber((ChessSquare)p);
9483 if(p >= gameInfo.holdingsSize) p = 0;
9484 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9485 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9486 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9487 board[BOARD_HEIGHT-1-p][1] = 0;
9490 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9491 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9492 /* [HGM] holdings: Add to holdings, if holdings exist */
9493 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9494 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9495 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9498 if (p >= (int) BlackPawn) {
9499 p -= (int)BlackPawn;
9500 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9501 /* in Shogi restore piece to its original first */
9502 captured = (ChessSquare) (DEMOTED captured);
9505 p = PieceToNumber((ChessSquare)p);
9506 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9507 board[p][BOARD_WIDTH-2]++;
9508 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9510 p -= (int)WhitePawn;
9511 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9512 captured = (ChessSquare) (DEMOTED captured);
9515 p = PieceToNumber((ChessSquare)p);
9516 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9517 board[BOARD_HEIGHT-1-p][1]++;
9518 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9521 } else if (gameInfo.variant == VariantAtomic) {
9522 if (captured != EmptySquare) {
9524 for (y = toY-1; y <= toY+1; y++) {
9525 for (x = toX-1; x <= toX+1; x++) {
9526 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9527 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9528 board[y][x] = EmptySquare;
9532 board[toY][toX] = EmptySquare;
9535 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9536 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9538 if(promoChar == '+') {
9539 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9540 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9541 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9542 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9543 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9544 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9545 board[toY][toX] = newPiece;
9547 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9548 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9549 // [HGM] superchess: take promotion piece out of holdings
9550 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9551 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9552 if(!--board[k][BOARD_WIDTH-2])
9553 board[k][BOARD_WIDTH-1] = EmptySquare;
9555 if(!--board[BOARD_HEIGHT-1-k][1])
9556 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9562 /* Updates forwardMostMove */
9564 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9566 // forwardMostMove++; // [HGM] bare: moved downstream
9568 (void) CoordsToAlgebraic(boards[forwardMostMove],
9569 PosFlags(forwardMostMove),
9570 fromY, fromX, toY, toX, promoChar,
9571 parseList[forwardMostMove]);
9573 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9574 int timeLeft; static int lastLoadFlag=0; int king, piece;
9575 piece = boards[forwardMostMove][fromY][fromX];
9576 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9577 if(gameInfo.variant == VariantKnightmate)
9578 king += (int) WhiteUnicorn - (int) WhiteKing;
9579 if(forwardMostMove == 0) {
9580 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9581 fprintf(serverMoves, "%s;", UserName());
9582 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9583 fprintf(serverMoves, "%s;", second.tidy);
9584 fprintf(serverMoves, "%s;", first.tidy);
9585 if(gameMode == MachinePlaysWhite)
9586 fprintf(serverMoves, "%s;", UserName());
9587 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9588 fprintf(serverMoves, "%s;", second.tidy);
9589 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9590 lastLoadFlag = loadFlag;
9592 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9593 // print castling suffix
9594 if( toY == fromY && piece == king ) {
9596 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9598 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9601 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9602 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9603 boards[forwardMostMove][toY][toX] == EmptySquare
9604 && fromX != toX && fromY != toY)
9605 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9607 if(promoChar != NULLCHAR)
9608 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9610 char buf[MOVE_LEN*2], *p; int len;
9611 fprintf(serverMoves, "/%d/%d",
9612 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9613 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9614 else timeLeft = blackTimeRemaining/1000;
9615 fprintf(serverMoves, "/%d", timeLeft);
9616 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9617 if(p = strchr(buf, '=')) *p = NULLCHAR;
9618 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9619 fprintf(serverMoves, "/%s", buf);
9621 fflush(serverMoves);
9624 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9625 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9628 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9629 if (commentList[forwardMostMove+1] != NULL) {
9630 free(commentList[forwardMostMove+1]);
9631 commentList[forwardMostMove+1] = NULL;
9633 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9634 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9635 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9636 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9637 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9638 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9639 adjustedClock = FALSE;
9640 gameInfo.result = GameUnfinished;
9641 if (gameInfo.resultDetails != NULL) {
9642 free(gameInfo.resultDetails);
9643 gameInfo.resultDetails = NULL;
9645 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9646 moveList[forwardMostMove - 1]);
9647 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9653 if(gameInfo.variant != VariantShogi)
9654 strcat(parseList[forwardMostMove - 1], "+");
9658 strcat(parseList[forwardMostMove - 1], "#");
9664 /* Updates currentMove if not pausing */
9666 ShowMove (int fromX, int fromY, int toX, int toY)
9668 int instant = (gameMode == PlayFromGameFile) ?
9669 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9670 if(appData.noGUI) return;
9671 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9673 if (forwardMostMove == currentMove + 1) {
9674 AnimateMove(boards[forwardMostMove - 1],
9675 fromX, fromY, toX, toY);
9677 if (appData.highlightLastMove) {
9678 SetHighlights(fromX, fromY, toX, toY);
9681 currentMove = forwardMostMove;
9684 if (instant) return;
9686 DisplayMove(currentMove - 1);
9687 DrawPosition(FALSE, boards[currentMove]);
9688 DisplayBothClocks();
9689 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9693 SendEgtPath (ChessProgramState *cps)
9694 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9695 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9697 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9700 char c, *q = name+1, *r, *s;
9702 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9703 while(*p && *p != ',') *q++ = *p++;
9705 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9706 strcmp(name, ",nalimov:") == 0 ) {
9707 // take nalimov path from the menu-changeable option first, if it is defined
9708 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9709 SendToProgram(buf,cps); // send egtbpath command for nalimov
9711 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9712 (s = StrStr(appData.egtFormats, name)) != NULL) {
9713 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9714 s = r = StrStr(s, ":") + 1; // beginning of path info
9715 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9716 c = *r; *r = 0; // temporarily null-terminate path info
9717 *--q = 0; // strip of trailig ':' from name
9718 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9720 SendToProgram(buf,cps); // send egtbpath command for this format
9722 if(*p == ',') p++; // read away comma to position for next format name
9727 InitChessProgram (ChessProgramState *cps, int setup)
9728 /* setup needed to setup FRC opening position */
9730 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9731 if (appData.noChessProgram) return;
9732 hintRequested = FALSE;
9733 bookRequested = FALSE;
9735 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9736 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9737 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9738 if(cps->memSize) { /* [HGM] memory */
9739 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9740 SendToProgram(buf, cps);
9742 SendEgtPath(cps); /* [HGM] EGT */
9743 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9744 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9745 SendToProgram(buf, cps);
9748 SendToProgram(cps->initString, cps);
9749 if (gameInfo.variant != VariantNormal &&
9750 gameInfo.variant != VariantLoadable
9751 /* [HGM] also send variant if board size non-standard */
9752 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9754 char *v = VariantName(gameInfo.variant);
9755 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9756 /* [HGM] in protocol 1 we have to assume all variants valid */
9757 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9758 DisplayFatalError(buf, 0, 1);
9762 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9763 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9764 if( gameInfo.variant == VariantXiangqi )
9765 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9766 if( gameInfo.variant == VariantShogi )
9767 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9768 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9769 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9770 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9771 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9772 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9773 if( gameInfo.variant == VariantCourier )
9774 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9775 if( gameInfo.variant == VariantSuper )
9776 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9777 if( gameInfo.variant == VariantGreat )
9778 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9779 if( gameInfo.variant == VariantSChess )
9780 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9781 if( gameInfo.variant == VariantGrand )
9782 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9785 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9786 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9787 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9788 if(StrStr(cps->variants, b) == NULL) {
9789 // specific sized variant not known, check if general sizing allowed
9790 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9791 if(StrStr(cps->variants, "boardsize") == NULL) {
9792 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9793 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9794 DisplayFatalError(buf, 0, 1);
9797 /* [HGM] here we really should compare with the maximum supported board size */
9800 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9801 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9802 SendToProgram(buf, cps);
9804 currentlyInitializedVariant = gameInfo.variant;
9806 /* [HGM] send opening position in FRC to first engine */
9808 SendToProgram("force\n", cps);
9810 /* engine is now in force mode! Set flag to wake it up after first move. */
9811 setboardSpoiledMachineBlack = 1;
9815 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9816 SendToProgram(buf, cps);
9818 cps->maybeThinking = FALSE;
9819 cps->offeredDraw = 0;
9820 if (!appData.icsActive) {
9821 SendTimeControl(cps, movesPerSession, timeControl,
9822 timeIncrement, appData.searchDepth,
9825 if (appData.showThinking
9826 // [HGM] thinking: four options require thinking output to be sent
9827 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9829 SendToProgram("post\n", cps);
9831 SendToProgram("hard\n", cps);
9832 if (!appData.ponderNextMove) {
9833 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9834 it without being sure what state we are in first. "hard"
9835 is not a toggle, so that one is OK.
9837 SendToProgram("easy\n", cps);
9840 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9841 SendToProgram(buf, cps);
9843 cps->initDone = TRUE;
9844 ClearEngineOutputPane(cps == &second);
9849 StartChessProgram (ChessProgramState *cps)
9854 if (appData.noChessProgram) return;
9855 cps->initDone = FALSE;
9857 if (strcmp(cps->host, "localhost") == 0) {
9858 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9859 } else if (*appData.remoteShell == NULLCHAR) {
9860 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9862 if (*appData.remoteUser == NULLCHAR) {
9863 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9866 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9867 cps->host, appData.remoteUser, cps->program);
9869 err = StartChildProcess(buf, "", &cps->pr);
9873 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9874 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9875 if(cps != &first) return;
9876 appData.noChessProgram = TRUE;
9879 // DisplayFatalError(buf, err, 1);
9880 // cps->pr = NoProc;
9885 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9886 if (cps->protocolVersion > 1) {
9887 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9888 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9889 cps->comboCnt = 0; // and values of combo boxes
9890 SendToProgram(buf, cps);
9892 SendToProgram("xboard\n", cps);
9897 TwoMachinesEventIfReady P((void))
9899 static int curMess = 0;
9900 if (first.lastPing != first.lastPong) {
9901 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9902 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9905 if (second.lastPing != second.lastPong) {
9906 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9907 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9910 DisplayMessage("", ""); curMess = 0;
9916 MakeName (char *template)
9920 static char buf[MSG_SIZ];
9924 clock = time((time_t *)NULL);
9925 tm = localtime(&clock);
9927 while(*p++ = *template++) if(p[-1] == '%') {
9928 switch(*template++) {
9929 case 0: *p = 0; return buf;
9930 case 'Y': i = tm->tm_year+1900; break;
9931 case 'y': i = tm->tm_year-100; break;
9932 case 'M': i = tm->tm_mon+1; break;
9933 case 'd': i = tm->tm_mday; break;
9934 case 'h': i = tm->tm_hour; break;
9935 case 'm': i = tm->tm_min; break;
9936 case 's': i = tm->tm_sec; break;
9939 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9945 CountPlayers (char *p)
9948 while(p = strchr(p, '\n')) p++, n++; // count participants
9953 WriteTourneyFile (char *results, FILE *f)
9954 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9955 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9956 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9957 // create a file with tournament description
9958 fprintf(f, "-participants {%s}\n", appData.participants);
9959 fprintf(f, "-seedBase %d\n", appData.seedBase);
9960 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9961 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9962 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9963 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9964 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9965 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9966 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9967 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9968 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9969 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9970 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9971 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9973 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9975 fprintf(f, "-mps %d\n", appData.movesPerSession);
9976 fprintf(f, "-tc %s\n", appData.timeControl);
9977 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9979 fprintf(f, "-results \"%s\"\n", results);
9984 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9987 Substitute (char *participants, int expunge)
9989 int i, changed, changes=0, nPlayers=0;
9990 char *p, *q, *r, buf[MSG_SIZ];
9991 if(participants == NULL) return;
9992 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9993 r = p = participants; q = appData.participants;
9994 while(*p && *p == *q) {
9995 if(*p == '\n') r = p+1, nPlayers++;
9998 if(*p) { // difference
9999 while(*p && *p++ != '\n');
10000 while(*q && *q++ != '\n');
10001 changed = nPlayers;
10002 changes = 1 + (strcmp(p, q) != 0);
10004 if(changes == 1) { // a single engine mnemonic was changed
10005 q = r; while(*q) nPlayers += (*q++ == '\n');
10006 p = buf; while(*r && (*p = *r++) != '\n') p++;
10008 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10009 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10010 if(mnemonic[i]) { // The substitute is valid
10012 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10013 flock(fileno(f), LOCK_EX);
10014 ParseArgsFromFile(f);
10015 fseek(f, 0, SEEK_SET);
10016 FREE(appData.participants); appData.participants = participants;
10017 if(expunge) { // erase results of replaced engine
10018 int len = strlen(appData.results), w, b, dummy;
10019 for(i=0; i<len; i++) {
10020 Pairing(i, nPlayers, &w, &b, &dummy);
10021 if((w == changed || b == changed) && appData.results[i] == '*') {
10022 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10027 for(i=0; i<len; i++) {
10028 Pairing(i, nPlayers, &w, &b, &dummy);
10029 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10032 WriteTourneyFile(appData.results, f);
10033 fclose(f); // release lock
10036 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10038 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10039 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10040 free(participants);
10045 CreateTourney (char *name)
10048 if(matchMode && strcmp(name, appData.tourneyFile)) {
10049 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10051 if(name[0] == NULLCHAR) {
10052 if(appData.participants[0])
10053 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10056 f = fopen(name, "r");
10057 if(f) { // file exists
10058 ASSIGN(appData.tourneyFile, name);
10059 ParseArgsFromFile(f); // parse it
10061 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10062 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10063 DisplayError(_("Not enough participants"), 0);
10066 ASSIGN(appData.tourneyFile, name);
10067 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10068 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10071 appData.noChessProgram = FALSE;
10072 appData.clockMode = TRUE;
10078 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10080 char buf[MSG_SIZ], *p, *q;
10081 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10082 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10083 skip = !all && group[0]; // if group requested, we start in skip mode
10084 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10085 p = names; q = buf; header = 0;
10086 while(*p && *p != '\n') *q++ = *p++;
10088 if(*p == '\n') p++;
10089 if(buf[0] == '#') {
10090 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10091 depth++; // we must be entering a new group
10092 if(all) continue; // suppress printing group headers when complete list requested
10094 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10096 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10097 if(engineList[i]) free(engineList[i]);
10098 engineList[i] = strdup(buf);
10099 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10100 if(engineMnemonic[i]) free(engineMnemonic[i]);
10101 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10103 sscanf(q + 8, "%s", buf + strlen(buf));
10106 engineMnemonic[i] = strdup(buf);
10109 engineList[i] = engineMnemonic[i] = NULL;
10113 // following implemented as macro to avoid type limitations
10114 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10117 SwapEngines (int n)
10118 { // swap settings for first engine and other engine (so far only some selected options)
10123 SWAP(chessProgram, p)
10125 SWAP(hasOwnBookUCI, h)
10126 SWAP(protocolVersion, h)
10128 SWAP(scoreIsAbsolute, h)
10133 SWAP(engOptions, p)
10134 SWAP(engInitString, p)
10135 SWAP(computerString, p)
10137 SWAP(fenOverride, p)
10139 SWAP(accumulateTC, h)
10144 SetPlayer (int player, char *p)
10145 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10147 char buf[MSG_SIZ], *engineName;
10148 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10149 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10150 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10152 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10153 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10154 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10155 ParseArgsFromString(buf);
10161 char *recentEngines;
10164 RecentEngineEvent (int nr)
10167 // SwapEngines(1); // bump first to second
10168 // ReplaceEngine(&second, 1); // and load it there
10169 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10170 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10171 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10172 ReplaceEngine(&first, 0);
10173 FloatToFront(&appData.recentEngineList, command[n]);
10178 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10179 { // determine players from game number
10180 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10182 if(appData.tourneyType == 0) {
10183 roundsPerCycle = (nPlayers - 1) | 1;
10184 pairingsPerRound = nPlayers / 2;
10185 } else if(appData.tourneyType > 0) {
10186 roundsPerCycle = nPlayers - appData.tourneyType;
10187 pairingsPerRound = appData.tourneyType;
10189 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10190 gamesPerCycle = gamesPerRound * roundsPerCycle;
10191 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10192 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10193 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10194 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10195 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10196 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10198 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10199 if(appData.roundSync) *syncInterval = gamesPerRound;
10201 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10203 if(appData.tourneyType == 0) {
10204 if(curPairing == (nPlayers-1)/2 ) {
10205 *whitePlayer = curRound;
10206 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10208 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10209 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10210 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10211 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10213 } else if(appData.tourneyType > 1) {
10214 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10215 *whitePlayer = curRound + appData.tourneyType;
10216 } else if(appData.tourneyType > 0) {
10217 *whitePlayer = curPairing;
10218 *blackPlayer = curRound + appData.tourneyType;
10221 // take care of white/black alternation per round.
10222 // For cycles and games this is already taken care of by default, derived from matchGame!
10223 return curRound & 1;
10227 NextTourneyGame (int nr, int *swapColors)
10228 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10230 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10232 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10233 tf = fopen(appData.tourneyFile, "r");
10234 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10235 ParseArgsFromFile(tf); fclose(tf);
10236 InitTimeControls(); // TC might be altered from tourney file
10238 nPlayers = CountPlayers(appData.participants); // count participants
10239 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10240 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10243 p = q = appData.results;
10244 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10245 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10246 DisplayMessage(_("Waiting for other game(s)"),"");
10247 waitingForGame = TRUE;
10248 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10251 waitingForGame = FALSE;
10254 if(appData.tourneyType < 0) {
10255 if(nr>=0 && !pairingReceived) {
10257 if(pairing.pr == NoProc) {
10258 if(!appData.pairingEngine[0]) {
10259 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10262 StartChessProgram(&pairing); // starts the pairing engine
10264 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10265 SendToProgram(buf, &pairing);
10266 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10267 SendToProgram(buf, &pairing);
10268 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10270 pairingReceived = 0; // ... so we continue here
10272 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10273 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10274 matchGame = 1; roundNr = nr / syncInterval + 1;
10277 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10279 // redefine engines, engine dir, etc.
10280 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10281 if(first.pr == NoProc) {
10282 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10283 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10285 if(second.pr == NoProc) {
10287 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10288 SwapEngines(1); // and make that valid for second engine by swapping
10289 InitEngine(&second, 1);
10291 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10292 UpdateLogos(FALSE); // leave display to ModeHiglight()
10298 { // performs game initialization that does not invoke engines, and then tries to start the game
10299 int res, firstWhite, swapColors = 0;
10300 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10301 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
10303 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10304 if(strcmp(buf, currentDebugFile)) { // name has changed
10305 FILE *f = fopen(buf, "w");
10306 if(f) { // if opening the new file failed, just keep using the old one
10307 ASSIGN(currentDebugFile, buf);
10311 if(appData.serverFileName) {
10312 if(serverFP) fclose(serverFP);
10313 serverFP = fopen(appData.serverFileName, "w");
10314 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10315 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10319 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10320 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10321 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10322 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10323 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10324 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10325 Reset(FALSE, first.pr != NoProc);
10326 res = LoadGameOrPosition(matchGame); // setup game
10327 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10328 if(!res) return; // abort when bad game/pos file
10329 TwoMachinesEvent();
10333 UserAdjudicationEvent (int result)
10335 ChessMove gameResult = GameIsDrawn;
10338 gameResult = WhiteWins;
10340 else if( result < 0 ) {
10341 gameResult = BlackWins;
10344 if( gameMode == TwoMachinesPlay ) {
10345 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10350 // [HGM] save: calculate checksum of game to make games easily identifiable
10352 StringCheckSum (char *s)
10355 if(s==NULL) return 0;
10356 while(*s) i = i*259 + *s++;
10364 for(i=backwardMostMove; i<forwardMostMove; i++) {
10365 sum += pvInfoList[i].depth;
10366 sum += StringCheckSum(parseList[i]);
10367 sum += StringCheckSum(commentList[i]);
10370 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10371 return sum + StringCheckSum(commentList[i]);
10372 } // end of save patch
10375 GameEnds (ChessMove result, char *resultDetails, int whosays)
10377 GameMode nextGameMode;
10379 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10381 if(endingGame) return; /* [HGM] crash: forbid recursion */
10383 if(twoBoards) { // [HGM] dual: switch back to one board
10384 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10385 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10387 if (appData.debugMode) {
10388 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10389 result, resultDetails ? resultDetails : "(null)", whosays);
10392 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10394 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10395 /* If we are playing on ICS, the server decides when the
10396 game is over, but the engine can offer to draw, claim
10400 if (appData.zippyPlay && first.initDone) {
10401 if (result == GameIsDrawn) {
10402 /* In case draw still needs to be claimed */
10403 SendToICS(ics_prefix);
10404 SendToICS("draw\n");
10405 } else if (StrCaseStr(resultDetails, "resign")) {
10406 SendToICS(ics_prefix);
10407 SendToICS("resign\n");
10411 endingGame = 0; /* [HGM] crash */
10415 /* If we're loading the game from a file, stop */
10416 if (whosays == GE_FILE) {
10417 (void) StopLoadGameTimer();
10421 /* Cancel draw offers */
10422 first.offeredDraw = second.offeredDraw = 0;
10424 /* If this is an ICS game, only ICS can really say it's done;
10425 if not, anyone can. */
10426 isIcsGame = (gameMode == IcsPlayingWhite ||
10427 gameMode == IcsPlayingBlack ||
10428 gameMode == IcsObserving ||
10429 gameMode == IcsExamining);
10431 if (!isIcsGame || whosays == GE_ICS) {
10432 /* OK -- not an ICS game, or ICS said it was done */
10434 if (!isIcsGame && !appData.noChessProgram)
10435 SetUserThinkingEnables();
10437 /* [HGM] if a machine claims the game end we verify this claim */
10438 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10439 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10441 ChessMove trueResult = (ChessMove) -1;
10443 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10444 first.twoMachinesColor[0] :
10445 second.twoMachinesColor[0] ;
10447 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10448 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10449 /* [HGM] verify: engine mate claims accepted if they were flagged */
10450 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10452 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10453 /* [HGM] verify: engine mate claims accepted if they were flagged */
10454 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10456 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10457 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10460 // now verify win claims, but not in drop games, as we don't understand those yet
10461 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10462 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10463 (result == WhiteWins && claimer == 'w' ||
10464 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10465 if (appData.debugMode) {
10466 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10467 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10469 if(result != trueResult) {
10470 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10471 result = claimer == 'w' ? BlackWins : WhiteWins;
10472 resultDetails = buf;
10475 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10476 && (forwardMostMove <= backwardMostMove ||
10477 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10478 (claimer=='b')==(forwardMostMove&1))
10480 /* [HGM] verify: draws that were not flagged are false claims */
10481 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10482 result = claimer == 'w' ? BlackWins : WhiteWins;
10483 resultDetails = buf;
10485 /* (Claiming a loss is accepted no questions asked!) */
10487 /* [HGM] bare: don't allow bare King to win */
10488 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10489 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10490 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10491 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10492 && result != GameIsDrawn)
10493 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10494 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10495 int p = (signed char)boards[forwardMostMove][i][j] - color;
10496 if(p >= 0 && p <= (int)WhiteKing) k++;
10498 if (appData.debugMode) {
10499 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10500 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10503 result = GameIsDrawn;
10504 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10505 resultDetails = buf;
10511 if(serverMoves != NULL && !loadFlag) { char c = '=';
10512 if(result==WhiteWins) c = '+';
10513 if(result==BlackWins) c = '-';
10514 if(resultDetails != NULL)
10515 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10517 if (resultDetails != NULL) {
10518 gameInfo.result = result;
10519 gameInfo.resultDetails = StrSave(resultDetails);
10521 /* display last move only if game was not loaded from file */
10522 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10523 DisplayMove(currentMove - 1);
10525 if (forwardMostMove != 0) {
10526 if (gameMode != PlayFromGameFile && gameMode != EditGame
10527 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10529 if (*appData.saveGameFile != NULLCHAR) {
10530 SaveGameToFile(appData.saveGameFile, TRUE);
10531 } else if (appData.autoSaveGames) {
10534 if (*appData.savePositionFile != NULLCHAR) {
10535 SavePositionToFile(appData.savePositionFile);
10540 /* Tell program how game ended in case it is learning */
10541 /* [HGM] Moved this to after saving the PGN, just in case */
10542 /* engine died and we got here through time loss. In that */
10543 /* case we will get a fatal error writing the pipe, which */
10544 /* would otherwise lose us the PGN. */
10545 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10546 /* output during GameEnds should never be fatal anymore */
10547 if (gameMode == MachinePlaysWhite ||
10548 gameMode == MachinePlaysBlack ||
10549 gameMode == TwoMachinesPlay ||
10550 gameMode == IcsPlayingWhite ||
10551 gameMode == IcsPlayingBlack ||
10552 gameMode == BeginningOfGame) {
10554 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10556 if (first.pr != NoProc) {
10557 SendToProgram(buf, &first);
10559 if (second.pr != NoProc &&
10560 gameMode == TwoMachinesPlay) {
10561 SendToProgram(buf, &second);
10566 if (appData.icsActive) {
10567 if (appData.quietPlay &&
10568 (gameMode == IcsPlayingWhite ||
10569 gameMode == IcsPlayingBlack)) {
10570 SendToICS(ics_prefix);
10571 SendToICS("set shout 1\n");
10573 nextGameMode = IcsIdle;
10574 ics_user_moved = FALSE;
10575 /* clean up premove. It's ugly when the game has ended and the
10576 * premove highlights are still on the board.
10579 gotPremove = FALSE;
10580 ClearPremoveHighlights();
10581 DrawPosition(FALSE, boards[currentMove]);
10583 if (whosays == GE_ICS) {
10586 if (gameMode == IcsPlayingWhite)
10588 else if(gameMode == IcsPlayingBlack)
10589 PlayIcsLossSound();
10592 if (gameMode == IcsPlayingBlack)
10594 else if(gameMode == IcsPlayingWhite)
10595 PlayIcsLossSound();
10598 PlayIcsDrawSound();
10601 PlayIcsUnfinishedSound();
10604 } else if (gameMode == EditGame ||
10605 gameMode == PlayFromGameFile ||
10606 gameMode == AnalyzeMode ||
10607 gameMode == AnalyzeFile) {
10608 nextGameMode = gameMode;
10610 nextGameMode = EndOfGame;
10615 nextGameMode = gameMode;
10618 if (appData.noChessProgram) {
10619 gameMode = nextGameMode;
10621 endingGame = 0; /* [HGM] crash */
10626 /* Put first chess program into idle state */
10627 if (first.pr != NoProc &&
10628 (gameMode == MachinePlaysWhite ||
10629 gameMode == MachinePlaysBlack ||
10630 gameMode == TwoMachinesPlay ||
10631 gameMode == IcsPlayingWhite ||
10632 gameMode == IcsPlayingBlack ||
10633 gameMode == BeginningOfGame)) {
10634 SendToProgram("force\n", &first);
10635 if (first.usePing) {
10637 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10638 SendToProgram(buf, &first);
10641 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10642 /* Kill off first chess program */
10643 if (first.isr != NULL)
10644 RemoveInputSource(first.isr);
10647 if (first.pr != NoProc) {
10649 DoSleep( appData.delayBeforeQuit );
10650 SendToProgram("quit\n", &first);
10651 DoSleep( appData.delayAfterQuit );
10652 DestroyChildProcess(first.pr, first.useSigterm);
10656 if (second.reuse) {
10657 /* Put second chess program into idle state */
10658 if (second.pr != NoProc &&
10659 gameMode == TwoMachinesPlay) {
10660 SendToProgram("force\n", &second);
10661 if (second.usePing) {
10663 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10664 SendToProgram(buf, &second);
10667 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10668 /* Kill off second chess program */
10669 if (second.isr != NULL)
10670 RemoveInputSource(second.isr);
10673 if (second.pr != NoProc) {
10674 DoSleep( appData.delayBeforeQuit );
10675 SendToProgram("quit\n", &second);
10676 DoSleep( appData.delayAfterQuit );
10677 DestroyChildProcess(second.pr, second.useSigterm);
10679 second.pr = NoProc;
10682 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10683 char resChar = '=';
10687 if (first.twoMachinesColor[0] == 'w') {
10690 second.matchWins++;
10695 if (first.twoMachinesColor[0] == 'b') {
10698 second.matchWins++;
10701 case GameUnfinished:
10707 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10708 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10709 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10710 ReserveGame(nextGame, resChar); // sets nextGame
10711 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10712 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10713 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10715 if (nextGame <= appData.matchGames && !abortMatch) {
10716 gameMode = nextGameMode;
10717 matchGame = nextGame; // this will be overruled in tourney mode!
10718 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10719 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10720 endingGame = 0; /* [HGM] crash */
10723 gameMode = nextGameMode;
10724 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10725 first.tidy, second.tidy,
10726 first.matchWins, second.matchWins,
10727 appData.matchGames - (first.matchWins + second.matchWins));
10728 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10729 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10730 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10731 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10732 first.twoMachinesColor = "black\n";
10733 second.twoMachinesColor = "white\n";
10735 first.twoMachinesColor = "white\n";
10736 second.twoMachinesColor = "black\n";
10740 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10741 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10743 gameMode = nextGameMode;
10745 endingGame = 0; /* [HGM] crash */
10746 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10747 if(matchMode == TRUE) { // match through command line: exit with or without popup
10749 ToNrEvent(forwardMostMove);
10750 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10752 } else DisplayFatalError(buf, 0, 0);
10753 } else { // match through menu; just stop, with or without popup
10754 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10757 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10758 } else DisplayNote(buf);
10760 if(ranking) free(ranking);
10764 /* Assumes program was just initialized (initString sent).
10765 Leaves program in force mode. */
10767 FeedMovesToProgram (ChessProgramState *cps, int upto)
10771 if (appData.debugMode)
10772 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10773 startedFromSetupPosition ? "position and " : "",
10774 backwardMostMove, upto, cps->which);
10775 if(currentlyInitializedVariant != gameInfo.variant) {
10777 // [HGM] variantswitch: make engine aware of new variant
10778 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10779 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10780 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10781 SendToProgram(buf, cps);
10782 currentlyInitializedVariant = gameInfo.variant;
10784 SendToProgram("force\n", cps);
10785 if (startedFromSetupPosition) {
10786 SendBoard(cps, backwardMostMove);
10787 if (appData.debugMode) {
10788 fprintf(debugFP, "feedMoves\n");
10791 for (i = backwardMostMove; i < upto; i++) {
10792 SendMoveToProgram(i, cps);
10798 ResurrectChessProgram ()
10800 /* The chess program may have exited.
10801 If so, restart it and feed it all the moves made so far. */
10802 static int doInit = 0;
10804 if (appData.noChessProgram) return 1;
10806 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10807 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10808 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10809 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10811 if (first.pr != NoProc) return 1;
10812 StartChessProgram(&first);
10814 InitChessProgram(&first, FALSE);
10815 FeedMovesToProgram(&first, currentMove);
10817 if (!first.sendTime) {
10818 /* can't tell gnuchess what its clock should read,
10819 so we bow to its notion. */
10821 timeRemaining[0][currentMove] = whiteTimeRemaining;
10822 timeRemaining[1][currentMove] = blackTimeRemaining;
10825 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10826 appData.icsEngineAnalyze) && first.analysisSupport) {
10827 SendToProgram("analyze\n", &first);
10828 first.analyzing = TRUE;
10834 * Button procedures
10837 Reset (int redraw, int init)
10841 if (appData.debugMode) {
10842 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10843 redraw, init, gameMode);
10845 CleanupTail(); // [HGM] vari: delete any stored variations
10846 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10847 pausing = pauseExamInvalid = FALSE;
10848 startedFromSetupPosition = blackPlaysFirst = FALSE;
10850 whiteFlag = blackFlag = FALSE;
10851 userOfferedDraw = FALSE;
10852 hintRequested = bookRequested = FALSE;
10853 first.maybeThinking = FALSE;
10854 second.maybeThinking = FALSE;
10855 first.bookSuspend = FALSE; // [HGM] book
10856 second.bookSuspend = FALSE;
10857 thinkOutput[0] = NULLCHAR;
10858 lastHint[0] = NULLCHAR;
10859 ClearGameInfo(&gameInfo);
10860 gameInfo.variant = StringToVariant(appData.variant);
10861 ics_user_moved = ics_clock_paused = FALSE;
10862 ics_getting_history = H_FALSE;
10864 white_holding[0] = black_holding[0] = NULLCHAR;
10865 ClearProgramStats();
10866 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10870 flipView = appData.flipView;
10871 ClearPremoveHighlights();
10872 gotPremove = FALSE;
10873 alarmSounded = FALSE;
10875 GameEnds(EndOfFile, NULL, GE_PLAYER);
10876 if(appData.serverMovesName != NULL) {
10877 /* [HGM] prepare to make moves file for broadcasting */
10878 clock_t t = clock();
10879 if(serverMoves != NULL) fclose(serverMoves);
10880 serverMoves = fopen(appData.serverMovesName, "r");
10881 if(serverMoves != NULL) {
10882 fclose(serverMoves);
10883 /* delay 15 sec before overwriting, so all clients can see end */
10884 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10886 serverMoves = fopen(appData.serverMovesName, "w");
10890 gameMode = BeginningOfGame;
10892 if(appData.icsActive) gameInfo.variant = VariantNormal;
10893 currentMove = forwardMostMove = backwardMostMove = 0;
10894 MarkTargetSquares(1);
10895 InitPosition(redraw);
10896 for (i = 0; i < MAX_MOVES; i++) {
10897 if (commentList[i] != NULL) {
10898 free(commentList[i]);
10899 commentList[i] = NULL;
10903 timeRemaining[0][0] = whiteTimeRemaining;
10904 timeRemaining[1][0] = blackTimeRemaining;
10906 if (first.pr == NoProc) {
10907 StartChessProgram(&first);
10910 InitChessProgram(&first, startedFromSetupPosition);
10913 DisplayMessage("", "");
10914 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10915 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10916 ClearMap(); // [HGM] exclude: invalidate map
10920 AutoPlayGameLoop ()
10923 if (!AutoPlayOneMove())
10925 if (matchMode || appData.timeDelay == 0)
10927 if (appData.timeDelay < 0)
10929 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
10938 int fromX, fromY, toX, toY;
10940 if (appData.debugMode) {
10941 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10944 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10947 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10948 pvInfoList[currentMove].depth = programStats.depth;
10949 pvInfoList[currentMove].score = programStats.score;
10950 pvInfoList[currentMove].time = 0;
10951 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10954 if (currentMove >= forwardMostMove) {
10955 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10956 // gameMode = EndOfGame;
10957 // ModeHighlight();
10959 /* [AS] Clear current move marker at the end of a game */
10960 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10965 toX = moveList[currentMove][2] - AAA;
10966 toY = moveList[currentMove][3] - ONE;
10968 if (moveList[currentMove][1] == '@') {
10969 if (appData.highlightLastMove) {
10970 SetHighlights(-1, -1, toX, toY);
10973 fromX = moveList[currentMove][0] - AAA;
10974 fromY = moveList[currentMove][1] - ONE;
10976 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10978 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10980 if (appData.highlightLastMove) {
10981 SetHighlights(fromX, fromY, toX, toY);
10984 DisplayMove(currentMove);
10985 SendMoveToProgram(currentMove++, &first);
10986 DisplayBothClocks();
10987 DrawPosition(FALSE, boards[currentMove]);
10988 // [HGM] PV info: always display, routine tests if empty
10989 DisplayComment(currentMove - 1, commentList[currentMove]);
10995 LoadGameOneMove (ChessMove readAhead)
10997 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10998 char promoChar = NULLCHAR;
10999 ChessMove moveType;
11000 char move[MSG_SIZ];
11003 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11004 gameMode != AnalyzeMode && gameMode != Training) {
11009 yyboardindex = forwardMostMove;
11010 if (readAhead != EndOfFile) {
11011 moveType = readAhead;
11013 if (gameFileFP == NULL)
11015 moveType = (ChessMove) Myylex();
11019 switch (moveType) {
11021 if (appData.debugMode)
11022 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11025 /* append the comment but don't display it */
11026 AppendComment(currentMove, p, FALSE);
11029 case WhiteCapturesEnPassant:
11030 case BlackCapturesEnPassant:
11031 case WhitePromotion:
11032 case BlackPromotion:
11033 case WhiteNonPromotion:
11034 case BlackNonPromotion:
11036 case WhiteKingSideCastle:
11037 case WhiteQueenSideCastle:
11038 case BlackKingSideCastle:
11039 case BlackQueenSideCastle:
11040 case WhiteKingSideCastleWild:
11041 case WhiteQueenSideCastleWild:
11042 case BlackKingSideCastleWild:
11043 case BlackQueenSideCastleWild:
11045 case WhiteHSideCastleFR:
11046 case WhiteASideCastleFR:
11047 case BlackHSideCastleFR:
11048 case BlackASideCastleFR:
11050 if (appData.debugMode)
11051 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11052 fromX = currentMoveString[0] - AAA;
11053 fromY = currentMoveString[1] - ONE;
11054 toX = currentMoveString[2] - AAA;
11055 toY = currentMoveString[3] - ONE;
11056 promoChar = currentMoveString[4];
11061 if (appData.debugMode)
11062 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11063 fromX = moveType == WhiteDrop ?
11064 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11065 (int) CharToPiece(ToLower(currentMoveString[0]));
11067 toX = currentMoveString[2] - AAA;
11068 toY = currentMoveString[3] - ONE;
11074 case GameUnfinished:
11075 if (appData.debugMode)
11076 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11077 p = strchr(yy_text, '{');
11078 if (p == NULL) p = strchr(yy_text, '(');
11081 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11083 q = strchr(p, *p == '{' ? '}' : ')');
11084 if (q != NULL) *q = NULLCHAR;
11087 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11088 GameEnds(moveType, p, GE_FILE);
11090 if (cmailMsgLoaded) {
11092 flipView = WhiteOnMove(currentMove);
11093 if (moveType == GameUnfinished) flipView = !flipView;
11094 if (appData.debugMode)
11095 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11100 if (appData.debugMode)
11101 fprintf(debugFP, "Parser hit end of file\n");
11102 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11108 if (WhiteOnMove(currentMove)) {
11109 GameEnds(BlackWins, "Black mates", GE_FILE);
11111 GameEnds(WhiteWins, "White mates", GE_FILE);
11115 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11121 case MoveNumberOne:
11122 if (lastLoadGameStart == GNUChessGame) {
11123 /* GNUChessGames have numbers, but they aren't move numbers */
11124 if (appData.debugMode)
11125 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11126 yy_text, (int) moveType);
11127 return LoadGameOneMove(EndOfFile); /* tail recursion */
11129 /* else fall thru */
11134 /* Reached start of next game in file */
11135 if (appData.debugMode)
11136 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11137 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11143 if (WhiteOnMove(currentMove)) {
11144 GameEnds(BlackWins, "Black mates", GE_FILE);
11146 GameEnds(WhiteWins, "White mates", GE_FILE);
11150 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11156 case PositionDiagram: /* should not happen; ignore */
11157 case ElapsedTime: /* ignore */
11158 case NAG: /* ignore */
11159 if (appData.debugMode)
11160 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11161 yy_text, (int) moveType);
11162 return LoadGameOneMove(EndOfFile); /* tail recursion */
11165 if (appData.testLegality) {
11166 if (appData.debugMode)
11167 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11168 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11169 (forwardMostMove / 2) + 1,
11170 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11171 DisplayError(move, 0);
11174 if (appData.debugMode)
11175 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11176 yy_text, currentMoveString);
11177 fromX = currentMoveString[0] - AAA;
11178 fromY = currentMoveString[1] - ONE;
11179 toX = currentMoveString[2] - AAA;
11180 toY = currentMoveString[3] - ONE;
11181 promoChar = currentMoveString[4];
11185 case AmbiguousMove:
11186 if (appData.debugMode)
11187 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11188 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11189 (forwardMostMove / 2) + 1,
11190 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11191 DisplayError(move, 0);
11196 case ImpossibleMove:
11197 if (appData.debugMode)
11198 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11199 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11200 (forwardMostMove / 2) + 1,
11201 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11202 DisplayError(move, 0);
11208 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11209 DrawPosition(FALSE, boards[currentMove]);
11210 DisplayBothClocks();
11211 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11212 DisplayComment(currentMove - 1, commentList[currentMove]);
11214 (void) StopLoadGameTimer();
11216 cmailOldMove = forwardMostMove;
11219 /* currentMoveString is set as a side-effect of yylex */
11221 thinkOutput[0] = NULLCHAR;
11222 MakeMove(fromX, fromY, toX, toY, promoChar);
11223 currentMove = forwardMostMove;
11228 /* Load the nth game from the given file */
11230 LoadGameFromFile (char *filename, int n, char *title, int useList)
11235 if (strcmp(filename, "-") == 0) {
11239 f = fopen(filename, "rb");
11241 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11242 DisplayError(buf, errno);
11246 if (fseek(f, 0, 0) == -1) {
11247 /* f is not seekable; probably a pipe */
11250 if (useList && n == 0) {
11251 int error = GameListBuild(f);
11253 DisplayError(_("Cannot build game list"), error);
11254 } else if (!ListEmpty(&gameList) &&
11255 ((ListGame *) gameList.tailPred)->number > 1) {
11256 GameListPopUp(f, title);
11263 return LoadGame(f, n, title, FALSE);
11268 MakeRegisteredMove ()
11270 int fromX, fromY, toX, toY;
11272 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11273 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11276 if (appData.debugMode)
11277 fprintf(debugFP, "Restoring %s for game %d\n",
11278 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11280 thinkOutput[0] = NULLCHAR;
11281 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11282 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11283 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11284 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11285 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11286 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11287 MakeMove(fromX, fromY, toX, toY, promoChar);
11288 ShowMove(fromX, fromY, toX, toY);
11290 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11297 if (WhiteOnMove(currentMove)) {
11298 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11300 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11305 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11312 if (WhiteOnMove(currentMove)) {
11313 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11315 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11320 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11331 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11333 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11337 if (gameNumber > nCmailGames) {
11338 DisplayError(_("No more games in this message"), 0);
11341 if (f == lastLoadGameFP) {
11342 int offset = gameNumber - lastLoadGameNumber;
11344 cmailMsg[0] = NULLCHAR;
11345 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11346 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11347 nCmailMovesRegistered--;
11349 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11350 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11351 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11354 if (! RegisterMove()) return FALSE;
11358 retVal = LoadGame(f, gameNumber, title, useList);
11360 /* Make move registered during previous look at this game, if any */
11361 MakeRegisteredMove();
11363 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11364 commentList[currentMove]
11365 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11366 DisplayComment(currentMove - 1, commentList[currentMove]);
11372 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11374 ReloadGame (int offset)
11376 int gameNumber = lastLoadGameNumber + offset;
11377 if (lastLoadGameFP == NULL) {
11378 DisplayError(_("No game has been loaded yet"), 0);
11381 if (gameNumber <= 0) {
11382 DisplayError(_("Can't back up any further"), 0);
11385 if (cmailMsgLoaded) {
11386 return CmailLoadGame(lastLoadGameFP, gameNumber,
11387 lastLoadGameTitle, lastLoadGameUseList);
11389 return LoadGame(lastLoadGameFP, gameNumber,
11390 lastLoadGameTitle, lastLoadGameUseList);
11394 int keys[EmptySquare+1];
11397 PositionMatches (Board b1, Board b2)
11400 switch(appData.searchMode) {
11401 case 1: return CompareWithRights(b1, b2);
11403 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11404 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11408 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11409 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11410 sum += keys[b1[r][f]] - keys[b2[r][f]];
11414 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11415 sum += keys[b1[r][f]] - keys[b2[r][f]];
11427 int pieceList[256], quickBoard[256];
11428 ChessSquare pieceType[256] = { EmptySquare };
11429 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11430 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11431 int soughtTotal, turn;
11432 Boolean epOK, flipSearch;
11435 unsigned char piece, to;
11438 #define DSIZE (250000)
11440 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11441 Move *moveDatabase = initialSpace;
11442 unsigned int movePtr, dataSize = DSIZE;
11445 MakePieceList (Board board, int *counts)
11447 int r, f, n=Q_PROMO, total=0;
11448 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11449 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11450 int sq = f + (r<<4);
11451 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11452 quickBoard[sq] = ++n;
11454 pieceType[n] = board[r][f];
11455 counts[board[r][f]]++;
11456 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11457 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11461 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11466 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11468 int sq = fromX + (fromY<<4);
11469 int piece = quickBoard[sq];
11470 quickBoard[sq] = 0;
11471 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11472 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11473 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11474 moveDatabase[movePtr++].piece = Q_WCASTL;
11475 quickBoard[sq] = piece;
11476 piece = quickBoard[from]; quickBoard[from] = 0;
11477 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11479 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11480 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11481 moveDatabase[movePtr++].piece = Q_BCASTL;
11482 quickBoard[sq] = piece;
11483 piece = quickBoard[from]; quickBoard[from] = 0;
11484 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11486 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11487 quickBoard[(fromY<<4)+toX] = 0;
11488 moveDatabase[movePtr].piece = Q_EP;
11489 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11490 moveDatabase[movePtr].to = sq;
11492 if(promoPiece != pieceType[piece]) {
11493 moveDatabase[movePtr++].piece = Q_PROMO;
11494 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11496 moveDatabase[movePtr].piece = piece;
11497 quickBoard[sq] = piece;
11502 PackGame (Board board)
11504 Move *newSpace = NULL;
11505 moveDatabase[movePtr].piece = 0; // terminate previous game
11506 if(movePtr > dataSize) {
11507 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11508 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11509 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11512 Move *p = moveDatabase, *q = newSpace;
11513 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11514 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11515 moveDatabase = newSpace;
11516 } else { // calloc failed, we must be out of memory. Too bad...
11517 dataSize = 0; // prevent calloc events for all subsequent games
11518 return 0; // and signal this one isn't cached
11522 MakePieceList(board, counts);
11527 QuickCompare (Board board, int *minCounts, int *maxCounts)
11528 { // compare according to search mode
11530 switch(appData.searchMode)
11532 case 1: // exact position match
11533 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11534 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11535 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11538 case 2: // can have extra material on empty squares
11539 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11540 if(board[r][f] == EmptySquare) continue;
11541 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11544 case 3: // material with exact Pawn structure
11545 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11546 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11547 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11548 } // fall through to material comparison
11549 case 4: // exact material
11550 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11552 case 6: // material range with given imbalance
11553 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11554 // fall through to range comparison
11555 case 5: // material range
11556 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11562 QuickScan (Board board, Move *move)
11563 { // reconstruct game,and compare all positions in it
11564 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11566 int piece = move->piece;
11567 int to = move->to, from = pieceList[piece];
11568 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11569 if(!piece) return -1;
11570 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11571 piece = (++move)->piece;
11572 from = pieceList[piece];
11573 counts[pieceType[piece]]--;
11574 pieceType[piece] = (ChessSquare) move->to;
11575 counts[move->to]++;
11576 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11577 counts[pieceType[quickBoard[to]]]--;
11578 quickBoard[to] = 0; total--;
11581 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11582 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11583 from = pieceList[piece]; // so this must be King
11584 quickBoard[from] = 0;
11585 pieceList[piece] = to;
11586 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11587 quickBoard[from] = 0; // rook
11588 quickBoard[to] = piece;
11589 to = move->to; piece = move->piece;
11593 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11594 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11595 quickBoard[from] = 0;
11597 quickBoard[to] = piece;
11598 pieceList[piece] = to;
11600 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11601 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11602 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11603 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11605 static int lastCounts[EmptySquare+1];
11607 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11608 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11609 } else stretch = 0;
11610 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11619 flipSearch = FALSE;
11620 CopyBoard(soughtBoard, boards[currentMove]);
11621 soughtTotal = MakePieceList(soughtBoard, maxSought);
11622 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11623 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11624 CopyBoard(reverseBoard, boards[currentMove]);
11625 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11626 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11627 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11628 reverseBoard[r][f] = piece;
11630 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11631 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11632 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11633 || (boards[currentMove][CASTLING][2] == NoRights ||
11634 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11635 && (boards[currentMove][CASTLING][5] == NoRights ||
11636 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11639 CopyBoard(flipBoard, soughtBoard);
11640 CopyBoard(rotateBoard, reverseBoard);
11641 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11642 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11643 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11646 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11647 if(appData.searchMode >= 5) {
11648 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11649 MakePieceList(soughtBoard, minSought);
11650 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11652 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11653 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11656 GameInfo dummyInfo;
11659 GameContainsPosition (FILE *f, ListGame *lg)
11661 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11662 int fromX, fromY, toX, toY;
11664 static int initDone=FALSE;
11666 // weed out games based on numerical tag comparison
11667 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11668 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11669 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11670 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11672 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11675 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11676 else CopyBoard(boards[scratch], initialPosition); // default start position
11679 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11680 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11683 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11684 fseek(f, lg->offset, 0);
11687 yyboardindex = scratch;
11688 quickFlag = plyNr+1;
11693 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11699 if(plyNr) return -1; // after we have seen moves, this is for new game
11702 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11703 case ImpossibleMove:
11704 case WhiteWins: // game ends here with these four
11707 case GameUnfinished:
11711 if(appData.testLegality) return -1;
11712 case WhiteCapturesEnPassant:
11713 case BlackCapturesEnPassant:
11714 case WhitePromotion:
11715 case BlackPromotion:
11716 case WhiteNonPromotion:
11717 case BlackNonPromotion:
11719 case WhiteKingSideCastle:
11720 case WhiteQueenSideCastle:
11721 case BlackKingSideCastle:
11722 case BlackQueenSideCastle:
11723 case WhiteKingSideCastleWild:
11724 case WhiteQueenSideCastleWild:
11725 case BlackKingSideCastleWild:
11726 case BlackQueenSideCastleWild:
11727 case WhiteHSideCastleFR:
11728 case WhiteASideCastleFR:
11729 case BlackHSideCastleFR:
11730 case BlackASideCastleFR:
11731 fromX = currentMoveString[0] - AAA;
11732 fromY = currentMoveString[1] - ONE;
11733 toX = currentMoveString[2] - AAA;
11734 toY = currentMoveString[3] - ONE;
11735 promoChar = currentMoveString[4];
11739 fromX = next == WhiteDrop ?
11740 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11741 (int) CharToPiece(ToLower(currentMoveString[0]));
11743 toX = currentMoveString[2] - AAA;
11744 toY = currentMoveString[3] - ONE;
11748 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11750 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11751 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11752 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11753 if(appData.findMirror) {
11754 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11755 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11760 /* Load the nth game from open file f */
11762 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11766 int gn = gameNumber;
11767 ListGame *lg = NULL;
11768 int numPGNTags = 0;
11770 GameMode oldGameMode;
11771 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11773 if (appData.debugMode)
11774 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11776 if (gameMode == Training )
11777 SetTrainingModeOff();
11779 oldGameMode = gameMode;
11780 if (gameMode != BeginningOfGame) {
11781 Reset(FALSE, TRUE);
11785 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11786 fclose(lastLoadGameFP);
11790 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11793 fseek(f, lg->offset, 0);
11794 GameListHighlight(gameNumber);
11795 pos = lg->position;
11799 DisplayError(_("Game number out of range"), 0);
11804 if (fseek(f, 0, 0) == -1) {
11805 if (f == lastLoadGameFP ?
11806 gameNumber == lastLoadGameNumber + 1 :
11810 DisplayError(_("Can't seek on game file"), 0);
11815 lastLoadGameFP = f;
11816 lastLoadGameNumber = gameNumber;
11817 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11818 lastLoadGameUseList = useList;
11822 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11823 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11824 lg->gameInfo.black);
11826 } else if (*title != NULLCHAR) {
11827 if (gameNumber > 1) {
11828 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11831 DisplayTitle(title);
11835 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11836 gameMode = PlayFromGameFile;
11840 currentMove = forwardMostMove = backwardMostMove = 0;
11841 CopyBoard(boards[0], initialPosition);
11845 * Skip the first gn-1 games in the file.
11846 * Also skip over anything that precedes an identifiable
11847 * start of game marker, to avoid being confused by
11848 * garbage at the start of the file. Currently
11849 * recognized start of game markers are the move number "1",
11850 * the pattern "gnuchess .* game", the pattern
11851 * "^[#;%] [^ ]* game file", and a PGN tag block.
11852 * A game that starts with one of the latter two patterns
11853 * will also have a move number 1, possibly
11854 * following a position diagram.
11855 * 5-4-02: Let's try being more lenient and allowing a game to
11856 * start with an unnumbered move. Does that break anything?
11858 cm = lastLoadGameStart = EndOfFile;
11860 yyboardindex = forwardMostMove;
11861 cm = (ChessMove) Myylex();
11864 if (cmailMsgLoaded) {
11865 nCmailGames = CMAIL_MAX_GAMES - gn;
11868 DisplayError(_("Game not found in file"), 0);
11875 lastLoadGameStart = cm;
11878 case MoveNumberOne:
11879 switch (lastLoadGameStart) {
11884 case MoveNumberOne:
11886 gn--; /* count this game */
11887 lastLoadGameStart = cm;
11896 switch (lastLoadGameStart) {
11899 case MoveNumberOne:
11901 gn--; /* count this game */
11902 lastLoadGameStart = cm;
11905 lastLoadGameStart = cm; /* game counted already */
11913 yyboardindex = forwardMostMove;
11914 cm = (ChessMove) Myylex();
11915 } while (cm == PGNTag || cm == Comment);
11922 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11923 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11924 != CMAIL_OLD_RESULT) {
11926 cmailResult[ CMAIL_MAX_GAMES
11927 - gn - 1] = CMAIL_OLD_RESULT;
11933 /* Only a NormalMove can be at the start of a game
11934 * without a position diagram. */
11935 if (lastLoadGameStart == EndOfFile ) {
11937 lastLoadGameStart = MoveNumberOne;
11946 if (appData.debugMode)
11947 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11949 if (cm == XBoardGame) {
11950 /* Skip any header junk before position diagram and/or move 1 */
11952 yyboardindex = forwardMostMove;
11953 cm = (ChessMove) Myylex();
11955 if (cm == EndOfFile ||
11956 cm == GNUChessGame || cm == XBoardGame) {
11957 /* Empty game; pretend end-of-file and handle later */
11962 if (cm == MoveNumberOne || cm == PositionDiagram ||
11963 cm == PGNTag || cm == Comment)
11966 } else if (cm == GNUChessGame) {
11967 if (gameInfo.event != NULL) {
11968 free(gameInfo.event);
11970 gameInfo.event = StrSave(yy_text);
11973 startedFromSetupPosition = FALSE;
11974 while (cm == PGNTag) {
11975 if (appData.debugMode)
11976 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11977 err = ParsePGNTag(yy_text, &gameInfo);
11978 if (!err) numPGNTags++;
11980 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11981 if(gameInfo.variant != oldVariant) {
11982 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11983 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11984 InitPosition(TRUE);
11985 oldVariant = gameInfo.variant;
11986 if (appData.debugMode)
11987 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11991 if (gameInfo.fen != NULL) {
11992 Board initial_position;
11993 startedFromSetupPosition = TRUE;
11994 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11996 DisplayError(_("Bad FEN position in file"), 0);
11999 CopyBoard(boards[0], initial_position);
12000 if (blackPlaysFirst) {
12001 currentMove = forwardMostMove = backwardMostMove = 1;
12002 CopyBoard(boards[1], initial_position);
12003 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12004 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12005 timeRemaining[0][1] = whiteTimeRemaining;
12006 timeRemaining[1][1] = blackTimeRemaining;
12007 if (commentList[0] != NULL) {
12008 commentList[1] = commentList[0];
12009 commentList[0] = NULL;
12012 currentMove = forwardMostMove = backwardMostMove = 0;
12014 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12016 initialRulePlies = FENrulePlies;
12017 for( i=0; i< nrCastlingRights; i++ )
12018 initialRights[i] = initial_position[CASTLING][i];
12020 yyboardindex = forwardMostMove;
12021 free(gameInfo.fen);
12022 gameInfo.fen = NULL;
12025 yyboardindex = forwardMostMove;
12026 cm = (ChessMove) Myylex();
12028 /* Handle comments interspersed among the tags */
12029 while (cm == Comment) {
12031 if (appData.debugMode)
12032 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12034 AppendComment(currentMove, p, FALSE);
12035 yyboardindex = forwardMostMove;
12036 cm = (ChessMove) Myylex();
12040 /* don't rely on existence of Event tag since if game was
12041 * pasted from clipboard the Event tag may not exist
12043 if (numPGNTags > 0){
12045 if (gameInfo.variant == VariantNormal) {
12046 VariantClass v = StringToVariant(gameInfo.event);
12047 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12048 if(v < VariantShogi) gameInfo.variant = v;
12051 if( appData.autoDisplayTags ) {
12052 tags = PGNTags(&gameInfo);
12053 TagsPopUp(tags, CmailMsg());
12058 /* Make something up, but don't display it now */
12063 if (cm == PositionDiagram) {
12066 Board initial_position;
12068 if (appData.debugMode)
12069 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12071 if (!startedFromSetupPosition) {
12073 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12074 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12085 initial_position[i][j++] = CharToPiece(*p);
12088 while (*p == ' ' || *p == '\t' ||
12089 *p == '\n' || *p == '\r') p++;
12091 if (strncmp(p, "black", strlen("black"))==0)
12092 blackPlaysFirst = TRUE;
12094 blackPlaysFirst = FALSE;
12095 startedFromSetupPosition = TRUE;
12097 CopyBoard(boards[0], initial_position);
12098 if (blackPlaysFirst) {
12099 currentMove = forwardMostMove = backwardMostMove = 1;
12100 CopyBoard(boards[1], initial_position);
12101 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12102 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12103 timeRemaining[0][1] = whiteTimeRemaining;
12104 timeRemaining[1][1] = blackTimeRemaining;
12105 if (commentList[0] != NULL) {
12106 commentList[1] = commentList[0];
12107 commentList[0] = NULL;
12110 currentMove = forwardMostMove = backwardMostMove = 0;
12113 yyboardindex = forwardMostMove;
12114 cm = (ChessMove) Myylex();
12117 if (first.pr == NoProc) {
12118 StartChessProgram(&first);
12120 InitChessProgram(&first, FALSE);
12121 SendToProgram("force\n", &first);
12122 if (startedFromSetupPosition) {
12123 SendBoard(&first, forwardMostMove);
12124 if (appData.debugMode) {
12125 fprintf(debugFP, "Load Game\n");
12127 DisplayBothClocks();
12130 /* [HGM] server: flag to write setup moves in broadcast file as one */
12131 loadFlag = appData.suppressLoadMoves;
12133 while (cm == Comment) {
12135 if (appData.debugMode)
12136 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12138 AppendComment(currentMove, p, FALSE);
12139 yyboardindex = forwardMostMove;
12140 cm = (ChessMove) Myylex();
12143 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12144 cm == WhiteWins || cm == BlackWins ||
12145 cm == GameIsDrawn || cm == GameUnfinished) {
12146 DisplayMessage("", _("No moves in game"));
12147 if (cmailMsgLoaded) {
12148 if (appData.debugMode)
12149 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12153 DrawPosition(FALSE, boards[currentMove]);
12154 DisplayBothClocks();
12155 gameMode = EditGame;
12162 // [HGM] PV info: routine tests if comment empty
12163 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12164 DisplayComment(currentMove - 1, commentList[currentMove]);
12166 if (!matchMode && appData.timeDelay != 0)
12167 DrawPosition(FALSE, boards[currentMove]);
12169 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12170 programStats.ok_to_send = 1;
12173 /* if the first token after the PGN tags is a move
12174 * and not move number 1, retrieve it from the parser
12176 if (cm != MoveNumberOne)
12177 LoadGameOneMove(cm);
12179 /* load the remaining moves from the file */
12180 while (LoadGameOneMove(EndOfFile)) {
12181 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12182 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12185 /* rewind to the start of the game */
12186 currentMove = backwardMostMove;
12188 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12190 if (oldGameMode == AnalyzeFile ||
12191 oldGameMode == AnalyzeMode) {
12192 AnalyzeFileEvent();
12195 if (!matchMode && pos > 0) {
12196 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12198 if (matchMode || appData.timeDelay == 0) {
12200 } else if (appData.timeDelay > 0) {
12201 AutoPlayGameLoop();
12204 if (appData.debugMode)
12205 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12207 loadFlag = 0; /* [HGM] true game starts */
12211 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12213 ReloadPosition (int offset)
12215 int positionNumber = lastLoadPositionNumber + offset;
12216 if (lastLoadPositionFP == NULL) {
12217 DisplayError(_("No position has been loaded yet"), 0);
12220 if (positionNumber <= 0) {
12221 DisplayError(_("Can't back up any further"), 0);
12224 return LoadPosition(lastLoadPositionFP, positionNumber,
12225 lastLoadPositionTitle);
12228 /* Load the nth position from the given file */
12230 LoadPositionFromFile (char *filename, int n, char *title)
12235 if (strcmp(filename, "-") == 0) {
12236 return LoadPosition(stdin, n, "stdin");
12238 f = fopen(filename, "rb");
12240 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12241 DisplayError(buf, errno);
12244 return LoadPosition(f, n, title);
12249 /* Load the nth position from the given open file, and close it */
12251 LoadPosition (FILE *f, int positionNumber, char *title)
12253 char *p, line[MSG_SIZ];
12254 Board initial_position;
12255 int i, j, fenMode, pn;
12257 if (gameMode == Training )
12258 SetTrainingModeOff();
12260 if (gameMode != BeginningOfGame) {
12261 Reset(FALSE, TRUE);
12263 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12264 fclose(lastLoadPositionFP);
12266 if (positionNumber == 0) positionNumber = 1;
12267 lastLoadPositionFP = f;
12268 lastLoadPositionNumber = positionNumber;
12269 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12270 if (first.pr == NoProc && !appData.noChessProgram) {
12271 StartChessProgram(&first);
12272 InitChessProgram(&first, FALSE);
12274 pn = positionNumber;
12275 if (positionNumber < 0) {
12276 /* Negative position number means to seek to that byte offset */
12277 if (fseek(f, -positionNumber, 0) == -1) {
12278 DisplayError(_("Can't seek on position file"), 0);
12283 if (fseek(f, 0, 0) == -1) {
12284 if (f == lastLoadPositionFP ?
12285 positionNumber == lastLoadPositionNumber + 1 :
12286 positionNumber == 1) {
12289 DisplayError(_("Can't seek on position file"), 0);
12294 /* See if this file is FEN or old-style xboard */
12295 if (fgets(line, MSG_SIZ, f) == NULL) {
12296 DisplayError(_("Position not found in file"), 0);
12299 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12300 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12303 if (fenMode || line[0] == '#') pn--;
12305 /* skip positions before number pn */
12306 if (fgets(line, MSG_SIZ, f) == NULL) {
12308 DisplayError(_("Position not found in file"), 0);
12311 if (fenMode || line[0] == '#') pn--;
12316 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12317 DisplayError(_("Bad FEN position in file"), 0);
12321 (void) fgets(line, MSG_SIZ, f);
12322 (void) fgets(line, MSG_SIZ, f);
12324 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12325 (void) fgets(line, MSG_SIZ, f);
12326 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12329 initial_position[i][j++] = CharToPiece(*p);
12333 blackPlaysFirst = FALSE;
12335 (void) fgets(line, MSG_SIZ, f);
12336 if (strncmp(line, "black", strlen("black"))==0)
12337 blackPlaysFirst = TRUE;
12340 startedFromSetupPosition = TRUE;
12342 CopyBoard(boards[0], initial_position);
12343 if (blackPlaysFirst) {
12344 currentMove = forwardMostMove = backwardMostMove = 1;
12345 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12346 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12347 CopyBoard(boards[1], initial_position);
12348 DisplayMessage("", _("Black to play"));
12350 currentMove = forwardMostMove = backwardMostMove = 0;
12351 DisplayMessage("", _("White to play"));
12353 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12354 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12355 SendToProgram("force\n", &first);
12356 SendBoard(&first, forwardMostMove);
12358 if (appData.debugMode) {
12360 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12361 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12362 fprintf(debugFP, "Load Position\n");
12365 if (positionNumber > 1) {
12366 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12367 DisplayTitle(line);
12369 DisplayTitle(title);
12371 gameMode = EditGame;
12374 timeRemaining[0][1] = whiteTimeRemaining;
12375 timeRemaining[1][1] = blackTimeRemaining;
12376 DrawPosition(FALSE, boards[currentMove]);
12383 CopyPlayerNameIntoFileName (char **dest, char *src)
12385 while (*src != NULLCHAR && *src != ',') {
12390 *(*dest)++ = *src++;
12396 DefaultFileName (char *ext)
12398 static char def[MSG_SIZ];
12401 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12403 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12405 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12407 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12414 /* Save the current game to the given file */
12416 SaveGameToFile (char *filename, int append)
12420 int result, i, t,tot=0;
12422 if (strcmp(filename, "-") == 0) {
12423 return SaveGame(stdout, 0, NULL);
12425 for(i=0; i<10; i++) { // upto 10 tries
12426 f = fopen(filename, append ? "a" : "w");
12427 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12428 if(f || errno != 13) break;
12429 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12433 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12434 DisplayError(buf, errno);
12437 safeStrCpy(buf, lastMsg, MSG_SIZ);
12438 DisplayMessage(_("Waiting for access to save file"), "");
12439 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12440 DisplayMessage(_("Saving game"), "");
12441 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12442 result = SaveGame(f, 0, NULL);
12443 DisplayMessage(buf, "");
12450 SavePart (char *str)
12452 static char buf[MSG_SIZ];
12455 p = strchr(str, ' ');
12456 if (p == NULL) return str;
12457 strncpy(buf, str, p - str);
12458 buf[p - str] = NULLCHAR;
12462 #define PGN_MAX_LINE 75
12464 #define PGN_SIDE_WHITE 0
12465 #define PGN_SIDE_BLACK 1
12468 FindFirstMoveOutOfBook (int side)
12472 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12473 int index = backwardMostMove;
12474 int has_book_hit = 0;
12476 if( (index % 2) != side ) {
12480 while( index < forwardMostMove ) {
12481 /* Check to see if engine is in book */
12482 int depth = pvInfoList[index].depth;
12483 int score = pvInfoList[index].score;
12489 else if( score == 0 && depth == 63 ) {
12490 in_book = 1; /* Zappa */
12492 else if( score == 2 && depth == 99 ) {
12493 in_book = 1; /* Abrok */
12496 has_book_hit += in_book;
12512 GetOutOfBookInfo (char * buf)
12516 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12518 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12519 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12523 if( oob[0] >= 0 || oob[1] >= 0 ) {
12524 for( i=0; i<2; i++ ) {
12528 if( i > 0 && oob[0] >= 0 ) {
12529 strcat( buf, " " );
12532 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12533 sprintf( buf+strlen(buf), "%s%.2f",
12534 pvInfoList[idx].score >= 0 ? "+" : "",
12535 pvInfoList[idx].score / 100.0 );
12541 /* Save game in PGN style and close the file */
12543 SaveGamePGN (FILE *f)
12545 int i, offset, linelen, newblock;
12548 int movelen, numlen, blank;
12549 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12551 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12553 PrintPGNTags(f, &gameInfo);
12555 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12557 if (backwardMostMove > 0 || startedFromSetupPosition) {
12558 char *fen = PositionToFEN(backwardMostMove, NULL);
12559 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12560 fprintf(f, "\n{--------------\n");
12561 PrintPosition(f, backwardMostMove);
12562 fprintf(f, "--------------}\n");
12566 /* [AS] Out of book annotation */
12567 if( appData.saveOutOfBookInfo ) {
12570 GetOutOfBookInfo( buf );
12572 if( buf[0] != '\0' ) {
12573 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12580 i = backwardMostMove;
12584 while (i < forwardMostMove) {
12585 /* Print comments preceding this move */
12586 if (commentList[i] != NULL) {
12587 if (linelen > 0) fprintf(f, "\n");
12588 fprintf(f, "%s", commentList[i]);
12593 /* Format move number */
12595 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12598 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12600 numtext[0] = NULLCHAR;
12602 numlen = strlen(numtext);
12605 /* Print move number */
12606 blank = linelen > 0 && numlen > 0;
12607 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12616 fprintf(f, "%s", numtext);
12620 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12621 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12624 blank = linelen > 0 && movelen > 0;
12625 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12634 fprintf(f, "%s", move_buffer);
12635 linelen += movelen;
12637 /* [AS] Add PV info if present */
12638 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12639 /* [HGM] add time */
12640 char buf[MSG_SIZ]; int seconds;
12642 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12648 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12651 seconds = (seconds + 4)/10; // round to full seconds
12653 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12655 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12658 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12659 pvInfoList[i].score >= 0 ? "+" : "",
12660 pvInfoList[i].score / 100.0,
12661 pvInfoList[i].depth,
12664 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12666 /* Print score/depth */
12667 blank = linelen > 0 && movelen > 0;
12668 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12677 fprintf(f, "%s", move_buffer);
12678 linelen += movelen;
12684 /* Start a new line */
12685 if (linelen > 0) fprintf(f, "\n");
12687 /* Print comments after last move */
12688 if (commentList[i] != NULL) {
12689 fprintf(f, "%s\n", commentList[i]);
12693 if (gameInfo.resultDetails != NULL &&
12694 gameInfo.resultDetails[0] != NULLCHAR) {
12695 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12696 PGNResult(gameInfo.result));
12698 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12702 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12706 /* Save game in old style and close the file */
12708 SaveGameOldStyle (FILE *f)
12713 tm = time((time_t *) NULL);
12715 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12718 if (backwardMostMove > 0 || startedFromSetupPosition) {
12719 fprintf(f, "\n[--------------\n");
12720 PrintPosition(f, backwardMostMove);
12721 fprintf(f, "--------------]\n");
12726 i = backwardMostMove;
12727 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12729 while (i < forwardMostMove) {
12730 if (commentList[i] != NULL) {
12731 fprintf(f, "[%s]\n", commentList[i]);
12734 if ((i % 2) == 1) {
12735 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12738 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12740 if (commentList[i] != NULL) {
12744 if (i >= forwardMostMove) {
12748 fprintf(f, "%s\n", parseList[i]);
12753 if (commentList[i] != NULL) {
12754 fprintf(f, "[%s]\n", commentList[i]);
12757 /* This isn't really the old style, but it's close enough */
12758 if (gameInfo.resultDetails != NULL &&
12759 gameInfo.resultDetails[0] != NULLCHAR) {
12760 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12761 gameInfo.resultDetails);
12763 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12770 /* Save the current game to open file f and close the file */
12772 SaveGame (FILE *f, int dummy, char *dummy2)
12774 if (gameMode == EditPosition) EditPositionDone(TRUE);
12775 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12776 if (appData.oldSaveStyle)
12777 return SaveGameOldStyle(f);
12779 return SaveGamePGN(f);
12782 /* Save the current position to the given file */
12784 SavePositionToFile (char *filename)
12789 if (strcmp(filename, "-") == 0) {
12790 return SavePosition(stdout, 0, NULL);
12792 f = fopen(filename, "a");
12794 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12795 DisplayError(buf, errno);
12798 safeStrCpy(buf, lastMsg, MSG_SIZ);
12799 DisplayMessage(_("Waiting for access to save file"), "");
12800 flock(fileno(f), LOCK_EX); // [HGM] lock
12801 DisplayMessage(_("Saving position"), "");
12802 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12803 SavePosition(f, 0, NULL);
12804 DisplayMessage(buf, "");
12810 /* Save the current position to the given open file and close the file */
12812 SavePosition (FILE *f, int dummy, char *dummy2)
12817 if (gameMode == EditPosition) EditPositionDone(TRUE);
12818 if (appData.oldSaveStyle) {
12819 tm = time((time_t *) NULL);
12821 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12823 fprintf(f, "[--------------\n");
12824 PrintPosition(f, currentMove);
12825 fprintf(f, "--------------]\n");
12827 fen = PositionToFEN(currentMove, NULL);
12828 fprintf(f, "%s\n", fen);
12836 ReloadCmailMsgEvent (int unregister)
12839 static char *inFilename = NULL;
12840 static char *outFilename;
12842 struct stat inbuf, outbuf;
12845 /* Any registered moves are unregistered if unregister is set, */
12846 /* i.e. invoked by the signal handler */
12848 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12849 cmailMoveRegistered[i] = FALSE;
12850 if (cmailCommentList[i] != NULL) {
12851 free(cmailCommentList[i]);
12852 cmailCommentList[i] = NULL;
12855 nCmailMovesRegistered = 0;
12858 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12859 cmailResult[i] = CMAIL_NOT_RESULT;
12863 if (inFilename == NULL) {
12864 /* Because the filenames are static they only get malloced once */
12865 /* and they never get freed */
12866 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12867 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12869 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12870 sprintf(outFilename, "%s.out", appData.cmailGameName);
12873 status = stat(outFilename, &outbuf);
12875 cmailMailedMove = FALSE;
12877 status = stat(inFilename, &inbuf);
12878 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12881 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12882 counts the games, notes how each one terminated, etc.
12884 It would be nice to remove this kludge and instead gather all
12885 the information while building the game list. (And to keep it
12886 in the game list nodes instead of having a bunch of fixed-size
12887 parallel arrays.) Note this will require getting each game's
12888 termination from the PGN tags, as the game list builder does
12889 not process the game moves. --mann
12891 cmailMsgLoaded = TRUE;
12892 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12894 /* Load first game in the file or popup game menu */
12895 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12897 #endif /* !WIN32 */
12905 char string[MSG_SIZ];
12907 if ( cmailMailedMove
12908 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12909 return TRUE; /* Allow free viewing */
12912 /* Unregister move to ensure that we don't leave RegisterMove */
12913 /* with the move registered when the conditions for registering no */
12915 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12916 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12917 nCmailMovesRegistered --;
12919 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12921 free(cmailCommentList[lastLoadGameNumber - 1]);
12922 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12926 if (cmailOldMove == -1) {
12927 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12931 if (currentMove > cmailOldMove + 1) {
12932 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12936 if (currentMove < cmailOldMove) {
12937 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12941 if (forwardMostMove > currentMove) {
12942 /* Silently truncate extra moves */
12946 if ( (currentMove == cmailOldMove + 1)
12947 || ( (currentMove == cmailOldMove)
12948 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12949 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12950 if (gameInfo.result != GameUnfinished) {
12951 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12954 if (commentList[currentMove] != NULL) {
12955 cmailCommentList[lastLoadGameNumber - 1]
12956 = StrSave(commentList[currentMove]);
12958 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12960 if (appData.debugMode)
12961 fprintf(debugFP, "Saving %s for game %d\n",
12962 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12964 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12966 f = fopen(string, "w");
12967 if (appData.oldSaveStyle) {
12968 SaveGameOldStyle(f); /* also closes the file */
12970 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12971 f = fopen(string, "w");
12972 SavePosition(f, 0, NULL); /* also closes the file */
12974 fprintf(f, "{--------------\n");
12975 PrintPosition(f, currentMove);
12976 fprintf(f, "--------------}\n\n");
12978 SaveGame(f, 0, NULL); /* also closes the file*/
12981 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12982 nCmailMovesRegistered ++;
12983 } else if (nCmailGames == 1) {
12984 DisplayError(_("You have not made a move yet"), 0);
12995 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12996 FILE *commandOutput;
12997 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12998 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13004 if (! cmailMsgLoaded) {
13005 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13009 if (nCmailGames == nCmailResults) {
13010 DisplayError(_("No unfinished games"), 0);
13014 #if CMAIL_PROHIBIT_REMAIL
13015 if (cmailMailedMove) {
13016 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);
13017 DisplayError(msg, 0);
13022 if (! (cmailMailedMove || RegisterMove())) return;
13024 if ( cmailMailedMove
13025 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13026 snprintf(string, MSG_SIZ, partCommandString,
13027 appData.debugMode ? " -v" : "", appData.cmailGameName);
13028 commandOutput = popen(string, "r");
13030 if (commandOutput == NULL) {
13031 DisplayError(_("Failed to invoke cmail"), 0);
13033 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13034 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13036 if (nBuffers > 1) {
13037 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13038 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13039 nBytes = MSG_SIZ - 1;
13041 (void) memcpy(msg, buffer, nBytes);
13043 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13045 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13046 cmailMailedMove = TRUE; /* Prevent >1 moves */
13049 for (i = 0; i < nCmailGames; i ++) {
13050 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13055 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13057 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13059 appData.cmailGameName,
13061 LoadGameFromFile(buffer, 1, buffer, FALSE);
13062 cmailMsgLoaded = FALSE;
13066 DisplayInformation(msg);
13067 pclose(commandOutput);
13070 if ((*cmailMsg) != '\0') {
13071 DisplayInformation(cmailMsg);
13076 #endif /* !WIN32 */
13085 int prependComma = 0;
13087 char string[MSG_SIZ]; /* Space for game-list */
13090 if (!cmailMsgLoaded) return "";
13092 if (cmailMailedMove) {
13093 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13095 /* Create a list of games left */
13096 snprintf(string, MSG_SIZ, "[");
13097 for (i = 0; i < nCmailGames; i ++) {
13098 if (! ( cmailMoveRegistered[i]
13099 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13100 if (prependComma) {
13101 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13103 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13107 strcat(string, number);
13110 strcat(string, "]");
13112 if (nCmailMovesRegistered + nCmailResults == 0) {
13113 switch (nCmailGames) {
13115 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13119 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13123 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13128 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13130 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13135 if (nCmailResults == nCmailGames) {
13136 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13138 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13143 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13155 if (gameMode == Training)
13156 SetTrainingModeOff();
13159 cmailMsgLoaded = FALSE;
13160 if (appData.icsActive) {
13161 SendToICS(ics_prefix);
13162 SendToICS("refresh\n");
13167 ExitEvent (int status)
13171 /* Give up on clean exit */
13175 /* Keep trying for clean exit */
13179 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13181 if (telnetISR != NULL) {
13182 RemoveInputSource(telnetISR);
13184 if (icsPR != NoProc) {
13185 DestroyChildProcess(icsPR, TRUE);
13188 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13189 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13191 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13192 /* make sure this other one finishes before killing it! */
13193 if(endingGame) { int count = 0;
13194 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13195 while(endingGame && count++ < 10) DoSleep(1);
13196 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13199 /* Kill off chess programs */
13200 if (first.pr != NoProc) {
13203 DoSleep( appData.delayBeforeQuit );
13204 SendToProgram("quit\n", &first);
13205 DoSleep( appData.delayAfterQuit );
13206 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13208 if (second.pr != NoProc) {
13209 DoSleep( appData.delayBeforeQuit );
13210 SendToProgram("quit\n", &second);
13211 DoSleep( appData.delayAfterQuit );
13212 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13214 if (first.isr != NULL) {
13215 RemoveInputSource(first.isr);
13217 if (second.isr != NULL) {
13218 RemoveInputSource(second.isr);
13221 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13222 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13224 ShutDownFrontEnd();
13231 if (appData.debugMode)
13232 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13236 if (gameMode == MachinePlaysWhite ||
13237 gameMode == MachinePlaysBlack) {
13240 DisplayBothClocks();
13242 if (gameMode == PlayFromGameFile) {
13243 if (appData.timeDelay >= 0)
13244 AutoPlayGameLoop();
13245 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13246 Reset(FALSE, TRUE);
13247 SendToICS(ics_prefix);
13248 SendToICS("refresh\n");
13249 } else if (currentMove < forwardMostMove) {
13250 ForwardInner(forwardMostMove);
13252 pauseExamInvalid = FALSE;
13254 switch (gameMode) {
13258 pauseExamForwardMostMove = forwardMostMove;
13259 pauseExamInvalid = FALSE;
13262 case IcsPlayingWhite:
13263 case IcsPlayingBlack:
13267 case PlayFromGameFile:
13268 (void) StopLoadGameTimer();
13272 case BeginningOfGame:
13273 if (appData.icsActive) return;
13274 /* else fall through */
13275 case MachinePlaysWhite:
13276 case MachinePlaysBlack:
13277 case TwoMachinesPlay:
13278 if (forwardMostMove == 0)
13279 return; /* don't pause if no one has moved */
13280 if ((gameMode == MachinePlaysWhite &&
13281 !WhiteOnMove(forwardMostMove)) ||
13282 (gameMode == MachinePlaysBlack &&
13283 WhiteOnMove(forwardMostMove))) {
13294 EditCommentEvent ()
13296 char title[MSG_SIZ];
13298 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13299 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13301 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13302 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13303 parseList[currentMove - 1]);
13306 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13313 char *tags = PGNTags(&gameInfo);
13315 EditTagsPopUp(tags, NULL);
13320 AnalyzeModeEvent ()
13322 if (appData.noChessProgram || gameMode == AnalyzeMode)
13325 if (gameMode != AnalyzeFile) {
13326 if (!appData.icsEngineAnalyze) {
13328 if (gameMode != EditGame) return;
13330 ResurrectChessProgram();
13331 SendToProgram("analyze\n", &first);
13332 first.analyzing = TRUE;
13333 /*first.maybeThinking = TRUE;*/
13334 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13335 EngineOutputPopUp();
13337 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13342 StartAnalysisClock();
13343 GetTimeMark(&lastNodeCountTime);
13348 AnalyzeFileEvent ()
13350 if (appData.noChessProgram || gameMode == AnalyzeFile)
13353 if (gameMode != AnalyzeMode) {
13355 if (gameMode != EditGame) return;
13356 ResurrectChessProgram();
13357 SendToProgram("analyze\n", &first);
13358 first.analyzing = TRUE;
13359 /*first.maybeThinking = TRUE;*/
13360 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13361 EngineOutputPopUp();
13363 gameMode = AnalyzeFile;
13368 StartAnalysisClock();
13369 GetTimeMark(&lastNodeCountTime);
13371 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13375 MachineWhiteEvent ()
13378 char *bookHit = NULL;
13380 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13384 if (gameMode == PlayFromGameFile ||
13385 gameMode == TwoMachinesPlay ||
13386 gameMode == Training ||
13387 gameMode == AnalyzeMode ||
13388 gameMode == EndOfGame)
13391 if (gameMode == EditPosition)
13392 EditPositionDone(TRUE);
13394 if (!WhiteOnMove(currentMove)) {
13395 DisplayError(_("It is not White's turn"), 0);
13399 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13402 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13403 gameMode == AnalyzeFile)
13406 ResurrectChessProgram(); /* in case it isn't running */
13407 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13408 gameMode = MachinePlaysWhite;
13411 gameMode = MachinePlaysWhite;
13415 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13417 if (first.sendName) {
13418 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13419 SendToProgram(buf, &first);
13421 if (first.sendTime) {
13422 if (first.useColors) {
13423 SendToProgram("black\n", &first); /*gnu kludge*/
13425 SendTimeRemaining(&first, TRUE);
13427 if (first.useColors) {
13428 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13430 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13431 SetMachineThinkingEnables();
13432 first.maybeThinking = TRUE;
13436 if (appData.autoFlipView && !flipView) {
13437 flipView = !flipView;
13438 DrawPosition(FALSE, NULL);
13439 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13442 if(bookHit) { // [HGM] book: simulate book reply
13443 static char bookMove[MSG_SIZ]; // a bit generous?
13445 programStats.nodes = programStats.depth = programStats.time =
13446 programStats.score = programStats.got_only_move = 0;
13447 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13449 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13450 strcat(bookMove, bookHit);
13451 HandleMachineMove(bookMove, &first);
13456 MachineBlackEvent ()
13459 char *bookHit = NULL;
13461 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13465 if (gameMode == PlayFromGameFile ||
13466 gameMode == TwoMachinesPlay ||
13467 gameMode == Training ||
13468 gameMode == AnalyzeMode ||
13469 gameMode == EndOfGame)
13472 if (gameMode == EditPosition)
13473 EditPositionDone(TRUE);
13475 if (WhiteOnMove(currentMove)) {
13476 DisplayError(_("It is not Black's turn"), 0);
13480 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13483 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13484 gameMode == AnalyzeFile)
13487 ResurrectChessProgram(); /* in case it isn't running */
13488 gameMode = MachinePlaysBlack;
13492 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13494 if (first.sendName) {
13495 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13496 SendToProgram(buf, &first);
13498 if (first.sendTime) {
13499 if (first.useColors) {
13500 SendToProgram("white\n", &first); /*gnu kludge*/
13502 SendTimeRemaining(&first, FALSE);
13504 if (first.useColors) {
13505 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13507 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13508 SetMachineThinkingEnables();
13509 first.maybeThinking = TRUE;
13512 if (appData.autoFlipView && flipView) {
13513 flipView = !flipView;
13514 DrawPosition(FALSE, NULL);
13515 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13517 if(bookHit) { // [HGM] book: simulate book reply
13518 static char bookMove[MSG_SIZ]; // a bit generous?
13520 programStats.nodes = programStats.depth = programStats.time =
13521 programStats.score = programStats.got_only_move = 0;
13522 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13524 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13525 strcat(bookMove, bookHit);
13526 HandleMachineMove(bookMove, &first);
13532 DisplayTwoMachinesTitle ()
13535 if (appData.matchGames > 0) {
13536 if(appData.tourneyFile[0]) {
13537 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13538 gameInfo.white, _("vs."), gameInfo.black,
13539 nextGame+1, appData.matchGames+1,
13540 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13542 if (first.twoMachinesColor[0] == 'w') {
13543 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13544 gameInfo.white, _("vs."), gameInfo.black,
13545 first.matchWins, second.matchWins,
13546 matchGame - 1 - (first.matchWins + second.matchWins));
13548 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13549 gameInfo.white, _("vs."), gameInfo.black,
13550 second.matchWins, first.matchWins,
13551 matchGame - 1 - (first.matchWins + second.matchWins));
13554 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13560 SettingsMenuIfReady ()
13562 if (second.lastPing != second.lastPong) {
13563 DisplayMessage("", _("Waiting for second chess program"));
13564 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13568 DisplayMessage("", "");
13569 SettingsPopUp(&second);
13573 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13576 if (cps->pr == NoProc) {
13577 StartChessProgram(cps);
13578 if (cps->protocolVersion == 1) {
13581 /* kludge: allow timeout for initial "feature" command */
13583 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13584 DisplayMessage("", buf);
13585 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13593 TwoMachinesEvent P((void))
13597 ChessProgramState *onmove;
13598 char *bookHit = NULL;
13599 static int stalling = 0;
13603 if (appData.noChessProgram) return;
13605 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13606 DisplayError("second engine does not play this", 0);
13610 switch (gameMode) {
13611 case TwoMachinesPlay:
13613 case MachinePlaysWhite:
13614 case MachinePlaysBlack:
13615 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13616 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13620 case BeginningOfGame:
13621 case PlayFromGameFile:
13624 if (gameMode != EditGame) return;
13627 EditPositionDone(TRUE);
13638 // forwardMostMove = currentMove;
13639 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13641 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13643 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13644 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13645 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13649 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13650 SendToProgram("force\n", &second);
13652 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13655 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13656 if(appData.matchPause>10000 || appData.matchPause<10)
13657 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13658 wait = SubtractTimeMarks(&now, &pauseStart);
13659 if(wait < appData.matchPause) {
13660 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13663 // we are now committed to starting the game
13665 DisplayMessage("", "");
13666 if (startedFromSetupPosition) {
13667 SendBoard(&second, backwardMostMove);
13668 if (appData.debugMode) {
13669 fprintf(debugFP, "Two Machines\n");
13672 for (i = backwardMostMove; i < forwardMostMove; i++) {
13673 SendMoveToProgram(i, &second);
13676 gameMode = TwoMachinesPlay;
13678 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13680 DisplayTwoMachinesTitle();
13682 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13687 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13688 SendToProgram(first.computerString, &first);
13689 if (first.sendName) {
13690 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13691 SendToProgram(buf, &first);
13693 SendToProgram(second.computerString, &second);
13694 if (second.sendName) {
13695 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13696 SendToProgram(buf, &second);
13700 if (!first.sendTime || !second.sendTime) {
13701 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13702 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13704 if (onmove->sendTime) {
13705 if (onmove->useColors) {
13706 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13708 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13710 if (onmove->useColors) {
13711 SendToProgram(onmove->twoMachinesColor, onmove);
13713 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13714 // SendToProgram("go\n", onmove);
13715 onmove->maybeThinking = TRUE;
13716 SetMachineThinkingEnables();
13720 if(bookHit) { // [HGM] book: simulate book reply
13721 static char bookMove[MSG_SIZ]; // a bit generous?
13723 programStats.nodes = programStats.depth = programStats.time =
13724 programStats.score = programStats.got_only_move = 0;
13725 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13727 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13728 strcat(bookMove, bookHit);
13729 savedMessage = bookMove; // args for deferred call
13730 savedState = onmove;
13731 ScheduleDelayedEvent(DeferredBookMove, 1);
13738 if (gameMode == Training) {
13739 SetTrainingModeOff();
13740 gameMode = PlayFromGameFile;
13741 DisplayMessage("", _("Training mode off"));
13743 gameMode = Training;
13744 animateTraining = appData.animate;
13746 /* make sure we are not already at the end of the game */
13747 if (currentMove < forwardMostMove) {
13748 SetTrainingModeOn();
13749 DisplayMessage("", _("Training mode on"));
13751 gameMode = PlayFromGameFile;
13752 DisplayError(_("Already at end of game"), 0);
13761 if (!appData.icsActive) return;
13762 switch (gameMode) {
13763 case IcsPlayingWhite:
13764 case IcsPlayingBlack:
13767 case BeginningOfGame:
13775 EditPositionDone(TRUE);
13788 gameMode = IcsIdle;
13798 switch (gameMode) {
13800 SetTrainingModeOff();
13802 case MachinePlaysWhite:
13803 case MachinePlaysBlack:
13804 case BeginningOfGame:
13805 SendToProgram("force\n", &first);
13806 SetUserThinkingEnables();
13808 case PlayFromGameFile:
13809 (void) StopLoadGameTimer();
13810 if (gameFileFP != NULL) {
13815 EditPositionDone(TRUE);
13820 SendToProgram("force\n", &first);
13822 case TwoMachinesPlay:
13823 GameEnds(EndOfFile, NULL, GE_PLAYER);
13824 ResurrectChessProgram();
13825 SetUserThinkingEnables();
13828 ResurrectChessProgram();
13830 case IcsPlayingBlack:
13831 case IcsPlayingWhite:
13832 DisplayError(_("Warning: You are still playing a game"), 0);
13835 DisplayError(_("Warning: You are still observing a game"), 0);
13838 DisplayError(_("Warning: You are still examining a game"), 0);
13849 first.offeredDraw = second.offeredDraw = 0;
13851 if (gameMode == PlayFromGameFile) {
13852 whiteTimeRemaining = timeRemaining[0][currentMove];
13853 blackTimeRemaining = timeRemaining[1][currentMove];
13857 if (gameMode == MachinePlaysWhite ||
13858 gameMode == MachinePlaysBlack ||
13859 gameMode == TwoMachinesPlay ||
13860 gameMode == EndOfGame) {
13861 i = forwardMostMove;
13862 while (i > currentMove) {
13863 SendToProgram("undo\n", &first);
13866 if(!adjustedClock) {
13867 whiteTimeRemaining = timeRemaining[0][currentMove];
13868 blackTimeRemaining = timeRemaining[1][currentMove];
13869 DisplayBothClocks();
13871 if (whiteFlag || blackFlag) {
13872 whiteFlag = blackFlag = 0;
13877 gameMode = EditGame;
13884 EditPositionEvent ()
13886 if (gameMode == EditPosition) {
13892 if (gameMode != EditGame) return;
13894 gameMode = EditPosition;
13897 if (currentMove > 0)
13898 CopyBoard(boards[0], boards[currentMove]);
13900 blackPlaysFirst = !WhiteOnMove(currentMove);
13902 currentMove = forwardMostMove = backwardMostMove = 0;
13903 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13905 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13911 /* [DM] icsEngineAnalyze - possible call from other functions */
13912 if (appData.icsEngineAnalyze) {
13913 appData.icsEngineAnalyze = FALSE;
13915 DisplayMessage("",_("Close ICS engine analyze..."));
13917 if (first.analysisSupport && first.analyzing) {
13918 SendToProgram("exit\n", &first);
13919 first.analyzing = FALSE;
13921 thinkOutput[0] = NULLCHAR;
13925 EditPositionDone (Boolean fakeRights)
13927 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13929 startedFromSetupPosition = TRUE;
13930 InitChessProgram(&first, FALSE);
13931 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13932 boards[0][EP_STATUS] = EP_NONE;
13933 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13934 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13935 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13936 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13937 } else boards[0][CASTLING][2] = NoRights;
13938 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13939 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13940 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13941 } else boards[0][CASTLING][5] = NoRights;
13943 SendToProgram("force\n", &first);
13944 if (blackPlaysFirst) {
13945 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13946 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13947 currentMove = forwardMostMove = backwardMostMove = 1;
13948 CopyBoard(boards[1], boards[0]);
13950 currentMove = forwardMostMove = backwardMostMove = 0;
13952 SendBoard(&first, forwardMostMove);
13953 if (appData.debugMode) {
13954 fprintf(debugFP, "EditPosDone\n");
13957 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13958 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13959 gameMode = EditGame;
13961 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13962 ClearHighlights(); /* [AS] */
13965 /* Pause for `ms' milliseconds */
13966 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13968 TimeDelay (long ms)
13975 } while (SubtractTimeMarks(&m2, &m1) < ms);
13978 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13980 SendMultiLineToICS (char *buf)
13982 char temp[MSG_SIZ+1], *p;
13989 strncpy(temp, buf, len);
13994 if (*p == '\n' || *p == '\r')
13999 strcat(temp, "\n");
14001 SendToPlayer(temp, strlen(temp));
14005 SetWhiteToPlayEvent ()
14007 if (gameMode == EditPosition) {
14008 blackPlaysFirst = FALSE;
14009 DisplayBothClocks(); /* works because currentMove is 0 */
14010 } else if (gameMode == IcsExamining) {
14011 SendToICS(ics_prefix);
14012 SendToICS("tomove white\n");
14017 SetBlackToPlayEvent ()
14019 if (gameMode == EditPosition) {
14020 blackPlaysFirst = TRUE;
14021 currentMove = 1; /* kludge */
14022 DisplayBothClocks();
14024 } else if (gameMode == IcsExamining) {
14025 SendToICS(ics_prefix);
14026 SendToICS("tomove black\n");
14031 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14034 ChessSquare piece = boards[0][y][x];
14036 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14038 switch (selection) {
14040 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14041 SendToICS(ics_prefix);
14042 SendToICS("bsetup clear\n");
14043 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14044 SendToICS(ics_prefix);
14045 SendToICS("clearboard\n");
14047 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14048 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14049 for (y = 0; y < BOARD_HEIGHT; y++) {
14050 if (gameMode == IcsExamining) {
14051 if (boards[currentMove][y][x] != EmptySquare) {
14052 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14057 boards[0][y][x] = p;
14062 if (gameMode == EditPosition) {
14063 DrawPosition(FALSE, boards[0]);
14068 SetWhiteToPlayEvent();
14072 SetBlackToPlayEvent();
14076 if (gameMode == IcsExamining) {
14077 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14078 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14081 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14082 if(x == BOARD_LEFT-2) {
14083 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14084 boards[0][y][1] = 0;
14086 if(x == BOARD_RGHT+1) {
14087 if(y >= gameInfo.holdingsSize) break;
14088 boards[0][y][BOARD_WIDTH-2] = 0;
14091 boards[0][y][x] = EmptySquare;
14092 DrawPosition(FALSE, boards[0]);
14097 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14098 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14099 selection = (ChessSquare) (PROMOTED piece);
14100 } else if(piece == EmptySquare) selection = WhiteSilver;
14101 else selection = (ChessSquare)((int)piece - 1);
14105 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14106 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14107 selection = (ChessSquare) (DEMOTED piece);
14108 } else if(piece == EmptySquare) selection = BlackSilver;
14109 else selection = (ChessSquare)((int)piece + 1);
14114 if(gameInfo.variant == VariantShatranj ||
14115 gameInfo.variant == VariantXiangqi ||
14116 gameInfo.variant == VariantCourier ||
14117 gameInfo.variant == VariantMakruk )
14118 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14123 if(gameInfo.variant == VariantXiangqi)
14124 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14125 if(gameInfo.variant == VariantKnightmate)
14126 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14129 if (gameMode == IcsExamining) {
14130 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14131 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14132 PieceToChar(selection), AAA + x, ONE + y);
14135 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14137 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14138 n = PieceToNumber(selection - BlackPawn);
14139 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14140 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14141 boards[0][BOARD_HEIGHT-1-n][1]++;
14143 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14144 n = PieceToNumber(selection);
14145 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14146 boards[0][n][BOARD_WIDTH-1] = selection;
14147 boards[0][n][BOARD_WIDTH-2]++;
14150 boards[0][y][x] = selection;
14151 DrawPosition(TRUE, boards[0]);
14153 fromX = fromY = -1;
14161 DropMenuEvent (ChessSquare selection, int x, int y)
14163 ChessMove moveType;
14165 switch (gameMode) {
14166 case IcsPlayingWhite:
14167 case MachinePlaysBlack:
14168 if (!WhiteOnMove(currentMove)) {
14169 DisplayMoveError(_("It is Black's turn"));
14172 moveType = WhiteDrop;
14174 case IcsPlayingBlack:
14175 case MachinePlaysWhite:
14176 if (WhiteOnMove(currentMove)) {
14177 DisplayMoveError(_("It is White's turn"));
14180 moveType = BlackDrop;
14183 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14189 if (moveType == BlackDrop && selection < BlackPawn) {
14190 selection = (ChessSquare) ((int) selection
14191 + (int) BlackPawn - (int) WhitePawn);
14193 if (boards[currentMove][y][x] != EmptySquare) {
14194 DisplayMoveError(_("That square is occupied"));
14198 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14204 /* Accept a pending offer of any kind from opponent */
14206 if (appData.icsActive) {
14207 SendToICS(ics_prefix);
14208 SendToICS("accept\n");
14209 } else if (cmailMsgLoaded) {
14210 if (currentMove == cmailOldMove &&
14211 commentList[cmailOldMove] != NULL &&
14212 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14213 "Black offers a draw" : "White offers a draw")) {
14215 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14216 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14218 DisplayError(_("There is no pending offer on this move"), 0);
14219 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14222 /* Not used for offers from chess program */
14229 /* Decline a pending offer of any kind from opponent */
14231 if (appData.icsActive) {
14232 SendToICS(ics_prefix);
14233 SendToICS("decline\n");
14234 } else if (cmailMsgLoaded) {
14235 if (currentMove == cmailOldMove &&
14236 commentList[cmailOldMove] != NULL &&
14237 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14238 "Black offers a draw" : "White offers a draw")) {
14240 AppendComment(cmailOldMove, "Draw declined", TRUE);
14241 DisplayComment(cmailOldMove - 1, "Draw declined");
14244 DisplayError(_("There is no pending offer on this move"), 0);
14247 /* Not used for offers from chess program */
14254 /* Issue ICS rematch command */
14255 if (appData.icsActive) {
14256 SendToICS(ics_prefix);
14257 SendToICS("rematch\n");
14264 /* Call your opponent's flag (claim a win on time) */
14265 if (appData.icsActive) {
14266 SendToICS(ics_prefix);
14267 SendToICS("flag\n");
14269 switch (gameMode) {
14272 case MachinePlaysWhite:
14275 GameEnds(GameIsDrawn, "Both players ran out of time",
14278 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14280 DisplayError(_("Your opponent is not out of time"), 0);
14283 case MachinePlaysBlack:
14286 GameEnds(GameIsDrawn, "Both players ran out of time",
14289 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14291 DisplayError(_("Your opponent is not out of time"), 0);
14299 ClockClick (int which)
14300 { // [HGM] code moved to back-end from winboard.c
14301 if(which) { // black clock
14302 if (gameMode == EditPosition || gameMode == IcsExamining) {
14303 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14304 SetBlackToPlayEvent();
14305 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14306 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14307 } else if (shiftKey) {
14308 AdjustClock(which, -1);
14309 } else if (gameMode == IcsPlayingWhite ||
14310 gameMode == MachinePlaysBlack) {
14313 } else { // white clock
14314 if (gameMode == EditPosition || gameMode == IcsExamining) {
14315 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14316 SetWhiteToPlayEvent();
14317 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14318 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14319 } else if (shiftKey) {
14320 AdjustClock(which, -1);
14321 } else if (gameMode == IcsPlayingBlack ||
14322 gameMode == MachinePlaysWhite) {
14331 /* Offer draw or accept pending draw offer from opponent */
14333 if (appData.icsActive) {
14334 /* Note: tournament rules require draw offers to be
14335 made after you make your move but before you punch
14336 your clock. Currently ICS doesn't let you do that;
14337 instead, you immediately punch your clock after making
14338 a move, but you can offer a draw at any time. */
14340 SendToICS(ics_prefix);
14341 SendToICS("draw\n");
14342 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14343 } else if (cmailMsgLoaded) {
14344 if (currentMove == cmailOldMove &&
14345 commentList[cmailOldMove] != NULL &&
14346 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14347 "Black offers a draw" : "White offers a draw")) {
14348 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14349 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14350 } else if (currentMove == cmailOldMove + 1) {
14351 char *offer = WhiteOnMove(cmailOldMove) ?
14352 "White offers a draw" : "Black offers a draw";
14353 AppendComment(currentMove, offer, TRUE);
14354 DisplayComment(currentMove - 1, offer);
14355 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14357 DisplayError(_("You must make your move before offering a draw"), 0);
14358 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14360 } else if (first.offeredDraw) {
14361 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14363 if (first.sendDrawOffers) {
14364 SendToProgram("draw\n", &first);
14365 userOfferedDraw = TRUE;
14373 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14375 if (appData.icsActive) {
14376 SendToICS(ics_prefix);
14377 SendToICS("adjourn\n");
14379 /* Currently GNU Chess doesn't offer or accept Adjourns */
14387 /* Offer Abort or accept pending Abort offer from opponent */
14389 if (appData.icsActive) {
14390 SendToICS(ics_prefix);
14391 SendToICS("abort\n");
14393 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14400 /* Resign. You can do this even if it's not your turn. */
14402 if (appData.icsActive) {
14403 SendToICS(ics_prefix);
14404 SendToICS("resign\n");
14406 switch (gameMode) {
14407 case MachinePlaysWhite:
14408 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14410 case MachinePlaysBlack:
14411 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14414 if (cmailMsgLoaded) {
14416 if (WhiteOnMove(cmailOldMove)) {
14417 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14419 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14421 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14432 StopObservingEvent ()
14434 /* Stop observing current games */
14435 SendToICS(ics_prefix);
14436 SendToICS("unobserve\n");
14440 StopExaminingEvent ()
14442 /* Stop observing current game */
14443 SendToICS(ics_prefix);
14444 SendToICS("unexamine\n");
14448 ForwardInner (int target)
14450 int limit; int oldSeekGraphUp = seekGraphUp;
14452 if (appData.debugMode)
14453 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14454 target, currentMove, forwardMostMove);
14456 if (gameMode == EditPosition)
14459 seekGraphUp = FALSE;
14460 MarkTargetSquares(1);
14462 if (gameMode == PlayFromGameFile && !pausing)
14465 if (gameMode == IcsExamining && pausing)
14466 limit = pauseExamForwardMostMove;
14468 limit = forwardMostMove;
14470 if (target > limit) target = limit;
14472 if (target > 0 && moveList[target - 1][0]) {
14473 int fromX, fromY, toX, toY;
14474 toX = moveList[target - 1][2] - AAA;
14475 toY = moveList[target - 1][3] - ONE;
14476 if (moveList[target - 1][1] == '@') {
14477 if (appData.highlightLastMove) {
14478 SetHighlights(-1, -1, toX, toY);
14481 fromX = moveList[target - 1][0] - AAA;
14482 fromY = moveList[target - 1][1] - ONE;
14483 if (target == currentMove + 1) {
14484 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14486 if (appData.highlightLastMove) {
14487 SetHighlights(fromX, fromY, toX, toY);
14491 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14492 gameMode == Training || gameMode == PlayFromGameFile ||
14493 gameMode == AnalyzeFile) {
14494 while (currentMove < target) {
14495 SendMoveToProgram(currentMove++, &first);
14498 currentMove = target;
14501 if (gameMode == EditGame || gameMode == EndOfGame) {
14502 whiteTimeRemaining = timeRemaining[0][currentMove];
14503 blackTimeRemaining = timeRemaining[1][currentMove];
14505 DisplayBothClocks();
14506 DisplayMove(currentMove - 1);
14507 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14508 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14509 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14510 DisplayComment(currentMove - 1, commentList[currentMove]);
14512 ClearMap(); // [HGM] exclude: invalidate map
14519 if (gameMode == IcsExamining && !pausing) {
14520 SendToICS(ics_prefix);
14521 SendToICS("forward\n");
14523 ForwardInner(currentMove + 1);
14530 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14531 /* to optimze, we temporarily turn off analysis mode while we feed
14532 * the remaining moves to the engine. Otherwise we get analysis output
14535 if (first.analysisSupport) {
14536 SendToProgram("exit\nforce\n", &first);
14537 first.analyzing = FALSE;
14541 if (gameMode == IcsExamining && !pausing) {
14542 SendToICS(ics_prefix);
14543 SendToICS("forward 999999\n");
14545 ForwardInner(forwardMostMove);
14548 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14549 /* we have fed all the moves, so reactivate analysis mode */
14550 SendToProgram("analyze\n", &first);
14551 first.analyzing = TRUE;
14552 /*first.maybeThinking = TRUE;*/
14553 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14558 BackwardInner (int target)
14560 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14562 if (appData.debugMode)
14563 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14564 target, currentMove, forwardMostMove);
14566 if (gameMode == EditPosition) return;
14567 seekGraphUp = FALSE;
14568 MarkTargetSquares(1);
14569 if (currentMove <= backwardMostMove) {
14571 DrawPosition(full_redraw, boards[currentMove]);
14574 if (gameMode == PlayFromGameFile && !pausing)
14577 if (moveList[target][0]) {
14578 int fromX, fromY, toX, toY;
14579 toX = moveList[target][2] - AAA;
14580 toY = moveList[target][3] - ONE;
14581 if (moveList[target][1] == '@') {
14582 if (appData.highlightLastMove) {
14583 SetHighlights(-1, -1, toX, toY);
14586 fromX = moveList[target][0] - AAA;
14587 fromY = moveList[target][1] - ONE;
14588 if (target == currentMove - 1) {
14589 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14591 if (appData.highlightLastMove) {
14592 SetHighlights(fromX, fromY, toX, toY);
14596 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14597 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14598 while (currentMove > target) {
14599 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14600 // null move cannot be undone. Reload program with move history before it.
14602 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14603 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14605 SendBoard(&first, i);
14606 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14609 SendToProgram("undo\n", &first);
14613 currentMove = target;
14616 if (gameMode == EditGame || gameMode == EndOfGame) {
14617 whiteTimeRemaining = timeRemaining[0][currentMove];
14618 blackTimeRemaining = timeRemaining[1][currentMove];
14620 DisplayBothClocks();
14621 DisplayMove(currentMove - 1);
14622 DrawPosition(full_redraw, boards[currentMove]);
14623 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14624 // [HGM] PV info: routine tests if comment empty
14625 DisplayComment(currentMove - 1, commentList[currentMove]);
14626 ClearMap(); // [HGM] exclude: invalidate map
14632 if (gameMode == IcsExamining && !pausing) {
14633 SendToICS(ics_prefix);
14634 SendToICS("backward\n");
14636 BackwardInner(currentMove - 1);
14643 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14644 /* to optimize, we temporarily turn off analysis mode while we undo
14645 * all the moves. Otherwise we get analysis output after each undo.
14647 if (first.analysisSupport) {
14648 SendToProgram("exit\nforce\n", &first);
14649 first.analyzing = FALSE;
14653 if (gameMode == IcsExamining && !pausing) {
14654 SendToICS(ics_prefix);
14655 SendToICS("backward 999999\n");
14657 BackwardInner(backwardMostMove);
14660 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14661 /* we have fed all the moves, so reactivate analysis mode */
14662 SendToProgram("analyze\n", &first);
14663 first.analyzing = TRUE;
14664 /*first.maybeThinking = TRUE;*/
14665 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14672 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14673 if (to >= forwardMostMove) to = forwardMostMove;
14674 if (to <= backwardMostMove) to = backwardMostMove;
14675 if (to < currentMove) {
14683 RevertEvent (Boolean annotate)
14685 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14688 if (gameMode != IcsExamining) {
14689 DisplayError(_("You are not examining a game"), 0);
14693 DisplayError(_("You can't revert while pausing"), 0);
14696 SendToICS(ics_prefix);
14697 SendToICS("revert\n");
14701 RetractMoveEvent ()
14703 switch (gameMode) {
14704 case MachinePlaysWhite:
14705 case MachinePlaysBlack:
14706 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14707 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14710 if (forwardMostMove < 2) return;
14711 currentMove = forwardMostMove = forwardMostMove - 2;
14712 whiteTimeRemaining = timeRemaining[0][currentMove];
14713 blackTimeRemaining = timeRemaining[1][currentMove];
14714 DisplayBothClocks();
14715 DisplayMove(currentMove - 1);
14716 ClearHighlights();/*!! could figure this out*/
14717 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14718 SendToProgram("remove\n", &first);
14719 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14722 case BeginningOfGame:
14726 case IcsPlayingWhite:
14727 case IcsPlayingBlack:
14728 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14729 SendToICS(ics_prefix);
14730 SendToICS("takeback 2\n");
14732 SendToICS(ics_prefix);
14733 SendToICS("takeback 1\n");
14742 ChessProgramState *cps;
14744 switch (gameMode) {
14745 case MachinePlaysWhite:
14746 if (!WhiteOnMove(forwardMostMove)) {
14747 DisplayError(_("It is your turn"), 0);
14752 case MachinePlaysBlack:
14753 if (WhiteOnMove(forwardMostMove)) {
14754 DisplayError(_("It is your turn"), 0);
14759 case TwoMachinesPlay:
14760 if (WhiteOnMove(forwardMostMove) ==
14761 (first.twoMachinesColor[0] == 'w')) {
14767 case BeginningOfGame:
14771 SendToProgram("?\n", cps);
14775 TruncateGameEvent ()
14778 if (gameMode != EditGame) return;
14785 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14786 if (forwardMostMove > currentMove) {
14787 if (gameInfo.resultDetails != NULL) {
14788 free(gameInfo.resultDetails);
14789 gameInfo.resultDetails = NULL;
14790 gameInfo.result = GameUnfinished;
14792 forwardMostMove = currentMove;
14793 HistorySet(parseList, backwardMostMove, forwardMostMove,
14801 if (appData.noChessProgram) return;
14802 switch (gameMode) {
14803 case MachinePlaysWhite:
14804 if (WhiteOnMove(forwardMostMove)) {
14805 DisplayError(_("Wait until your turn"), 0);
14809 case BeginningOfGame:
14810 case MachinePlaysBlack:
14811 if (!WhiteOnMove(forwardMostMove)) {
14812 DisplayError(_("Wait until your turn"), 0);
14817 DisplayError(_("No hint available"), 0);
14820 SendToProgram("hint\n", &first);
14821 hintRequested = TRUE;
14827 if (appData.noChessProgram) return;
14828 switch (gameMode) {
14829 case MachinePlaysWhite:
14830 if (WhiteOnMove(forwardMostMove)) {
14831 DisplayError(_("Wait until your turn"), 0);
14835 case BeginningOfGame:
14836 case MachinePlaysBlack:
14837 if (!WhiteOnMove(forwardMostMove)) {
14838 DisplayError(_("Wait until your turn"), 0);
14843 EditPositionDone(TRUE);
14845 case TwoMachinesPlay:
14850 SendToProgram("bk\n", &first);
14851 bookOutput[0] = NULLCHAR;
14852 bookRequested = TRUE;
14858 char *tags = PGNTags(&gameInfo);
14859 TagsPopUp(tags, CmailMsg());
14863 /* end button procedures */
14866 PrintPosition (FILE *fp, int move)
14870 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14871 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14872 char c = PieceToChar(boards[move][i][j]);
14873 fputc(c == 'x' ? '.' : c, fp);
14874 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14877 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14878 fprintf(fp, "white to play\n");
14880 fprintf(fp, "black to play\n");
14884 PrintOpponents (FILE *fp)
14886 if (gameInfo.white != NULL) {
14887 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14893 /* Find last component of program's own name, using some heuristics */
14895 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14898 int local = (strcmp(host, "localhost") == 0);
14899 while (!local && (p = strchr(prog, ';')) != NULL) {
14901 while (*p == ' ') p++;
14904 if (*prog == '"' || *prog == '\'') {
14905 q = strchr(prog + 1, *prog);
14907 q = strchr(prog, ' ');
14909 if (q == NULL) q = prog + strlen(prog);
14911 while (p >= prog && *p != '/' && *p != '\\') p--;
14913 if(p == prog && *p == '"') p++;
14915 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14916 memcpy(buf, p, q - p);
14917 buf[q - p] = NULLCHAR;
14925 TimeControlTagValue ()
14928 if (!appData.clockMode) {
14929 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14930 } else if (movesPerSession > 0) {
14931 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14932 } else if (timeIncrement == 0) {
14933 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14935 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14937 return StrSave(buf);
14943 /* This routine is used only for certain modes */
14944 VariantClass v = gameInfo.variant;
14945 ChessMove r = GameUnfinished;
14948 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14949 r = gameInfo.result;
14950 p = gameInfo.resultDetails;
14951 gameInfo.resultDetails = NULL;
14953 ClearGameInfo(&gameInfo);
14954 gameInfo.variant = v;
14956 switch (gameMode) {
14957 case MachinePlaysWhite:
14958 gameInfo.event = StrSave( appData.pgnEventHeader );
14959 gameInfo.site = StrSave(HostName());
14960 gameInfo.date = PGNDate();
14961 gameInfo.round = StrSave("-");
14962 gameInfo.white = StrSave(first.tidy);
14963 gameInfo.black = StrSave(UserName());
14964 gameInfo.timeControl = TimeControlTagValue();
14967 case MachinePlaysBlack:
14968 gameInfo.event = StrSave( appData.pgnEventHeader );
14969 gameInfo.site = StrSave(HostName());
14970 gameInfo.date = PGNDate();
14971 gameInfo.round = StrSave("-");
14972 gameInfo.white = StrSave(UserName());
14973 gameInfo.black = StrSave(first.tidy);
14974 gameInfo.timeControl = TimeControlTagValue();
14977 case TwoMachinesPlay:
14978 gameInfo.event = StrSave( appData.pgnEventHeader );
14979 gameInfo.site = StrSave(HostName());
14980 gameInfo.date = PGNDate();
14983 snprintf(buf, MSG_SIZ, "%d", roundNr);
14984 gameInfo.round = StrSave(buf);
14986 gameInfo.round = StrSave("-");
14988 if (first.twoMachinesColor[0] == 'w') {
14989 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14990 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14992 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14993 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14995 gameInfo.timeControl = TimeControlTagValue();
14999 gameInfo.event = StrSave("Edited game");
15000 gameInfo.site = StrSave(HostName());
15001 gameInfo.date = PGNDate();
15002 gameInfo.round = StrSave("-");
15003 gameInfo.white = StrSave("-");
15004 gameInfo.black = StrSave("-");
15005 gameInfo.result = r;
15006 gameInfo.resultDetails = p;
15010 gameInfo.event = StrSave("Edited position");
15011 gameInfo.site = StrSave(HostName());
15012 gameInfo.date = PGNDate();
15013 gameInfo.round = StrSave("-");
15014 gameInfo.white = StrSave("-");
15015 gameInfo.black = StrSave("-");
15018 case IcsPlayingWhite:
15019 case IcsPlayingBlack:
15024 case PlayFromGameFile:
15025 gameInfo.event = StrSave("Game from non-PGN file");
15026 gameInfo.site = StrSave(HostName());
15027 gameInfo.date = PGNDate();
15028 gameInfo.round = StrSave("-");
15029 gameInfo.white = StrSave("?");
15030 gameInfo.black = StrSave("?");
15039 ReplaceComment (int index, char *text)
15045 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15046 pvInfoList[index-1].depth == len &&
15047 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15048 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15049 while (*text == '\n') text++;
15050 len = strlen(text);
15051 while (len > 0 && text[len - 1] == '\n') len--;
15053 if (commentList[index] != NULL)
15054 free(commentList[index]);
15057 commentList[index] = NULL;
15060 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15061 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15062 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15063 commentList[index] = (char *) malloc(len + 2);
15064 strncpy(commentList[index], text, len);
15065 commentList[index][len] = '\n';
15066 commentList[index][len + 1] = NULLCHAR;
15068 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15070 commentList[index] = (char *) malloc(len + 7);
15071 safeStrCpy(commentList[index], "{\n", 3);
15072 safeStrCpy(commentList[index]+2, text, len+1);
15073 commentList[index][len+2] = NULLCHAR;
15074 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15075 strcat(commentList[index], "\n}\n");
15080 CrushCRs (char *text)
15088 if (ch == '\r') continue;
15090 } while (ch != '\0');
15094 AppendComment (int index, char *text, Boolean addBraces)
15095 /* addBraces tells if we should add {} */
15100 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15101 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15104 while (*text == '\n') text++;
15105 len = strlen(text);
15106 while (len > 0 && text[len - 1] == '\n') len--;
15107 text[len] = NULLCHAR;
15109 if (len == 0) return;
15111 if (commentList[index] != NULL) {
15112 Boolean addClosingBrace = addBraces;
15113 old = commentList[index];
15114 oldlen = strlen(old);
15115 while(commentList[index][oldlen-1] == '\n')
15116 commentList[index][--oldlen] = NULLCHAR;
15117 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15118 safeStrCpy(commentList[index], old, oldlen + len + 6);
15120 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15121 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15122 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15123 while (*text == '\n') { text++; len--; }
15124 commentList[index][--oldlen] = NULLCHAR;
15126 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15127 else strcat(commentList[index], "\n");
15128 strcat(commentList[index], text);
15129 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15130 else strcat(commentList[index], "\n");
15132 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15134 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15135 else commentList[index][0] = NULLCHAR;
15136 strcat(commentList[index], text);
15137 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15138 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15143 FindStr (char * text, char * sub_text)
15145 char * result = strstr( text, sub_text );
15147 if( result != NULL ) {
15148 result += strlen( sub_text );
15154 /* [AS] Try to extract PV info from PGN comment */
15155 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15157 GetInfoFromComment (int index, char * text)
15159 char * sep = text, *p;
15161 if( text != NULL && index > 0 ) {
15164 int time = -1, sec = 0, deci;
15165 char * s_eval = FindStr( text, "[%eval " );
15166 char * s_emt = FindStr( text, "[%emt " );
15168 if( s_eval != NULL || s_emt != NULL ) {
15172 if( s_eval != NULL ) {
15173 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15177 if( delim != ']' ) {
15182 if( s_emt != NULL ) {
15187 /* We expect something like: [+|-]nnn.nn/dd */
15190 if(*text != '{') return text; // [HGM] braces: must be normal comment
15192 sep = strchr( text, '/' );
15193 if( sep == NULL || sep < (text+4) ) {
15198 if(p[1] == '(') { // comment starts with PV
15199 p = strchr(p, ')'); // locate end of PV
15200 if(p == NULL || sep < p+5) return text;
15201 // at this point we have something like "{(.*) +0.23/6 ..."
15202 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15203 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15204 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15206 time = -1; sec = -1; deci = -1;
15207 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15208 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15209 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15210 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15214 if( score_lo < 0 || score_lo >= 100 ) {
15218 if(sec >= 0) time = 600*time + 10*sec; else
15219 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15221 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15223 /* [HGM] PV time: now locate end of PV info */
15224 while( *++sep >= '0' && *sep <= '9'); // strip depth
15226 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15228 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15230 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15231 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15242 pvInfoList[index-1].depth = depth;
15243 pvInfoList[index-1].score = score;
15244 pvInfoList[index-1].time = 10*time; // centi-sec
15245 if(*sep == '}') *sep = 0; else *--sep = '{';
15246 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15252 SendToProgram (char *message, ChessProgramState *cps)
15254 int count, outCount, error;
15257 if (cps->pr == NoProc) return;
15260 if (appData.debugMode) {
15263 fprintf(debugFP, "%ld >%-6s: %s",
15264 SubtractTimeMarks(&now, &programStartTime),
15265 cps->which, message);
15267 fprintf(serverFP, "%ld >%-6s: %s",
15268 SubtractTimeMarks(&now, &programStartTime),
15269 cps->which, message), fflush(serverFP);
15272 count = strlen(message);
15273 outCount = OutputToProcess(cps->pr, message, count, &error);
15274 if (outCount < count && !exiting
15275 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15276 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15277 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15278 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15279 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15280 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15281 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15282 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15284 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15285 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15286 gameInfo.result = res;
15288 gameInfo.resultDetails = StrSave(buf);
15290 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15291 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15296 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15300 ChessProgramState *cps = (ChessProgramState *)closure;
15302 if (isr != cps->isr) return; /* Killed intentionally */
15305 RemoveInputSource(cps->isr);
15306 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15307 _(cps->which), cps->program);
15308 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15309 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15310 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15311 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15312 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15313 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15315 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15316 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15317 gameInfo.result = res;
15319 gameInfo.resultDetails = StrSave(buf);
15321 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15322 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15324 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15325 _(cps->which), cps->program);
15326 RemoveInputSource(cps->isr);
15328 /* [AS] Program is misbehaving badly... kill it */
15329 if( count == -2 ) {
15330 DestroyChildProcess( cps->pr, 9 );
15334 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15339 if ((end_str = strchr(message, '\r')) != NULL)
15340 *end_str = NULLCHAR;
15341 if ((end_str = strchr(message, '\n')) != NULL)
15342 *end_str = NULLCHAR;
15344 if (appData.debugMode) {
15345 TimeMark now; int print = 1;
15346 char *quote = ""; char c; int i;
15348 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15349 char start = message[0];
15350 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15351 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15352 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15353 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15354 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15355 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15356 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15357 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15358 sscanf(message, "hint: %c", &c)!=1 &&
15359 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15360 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15361 print = (appData.engineComments >= 2);
15363 message[0] = start; // restore original message
15367 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15368 SubtractTimeMarks(&now, &programStartTime), cps->which,
15372 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15373 SubtractTimeMarks(&now, &programStartTime), cps->which,
15375 message), fflush(serverFP);
15379 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15380 if (appData.icsEngineAnalyze) {
15381 if (strstr(message, "whisper") != NULL ||
15382 strstr(message, "kibitz") != NULL ||
15383 strstr(message, "tellics") != NULL) return;
15386 HandleMachineMove(message, cps);
15391 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15396 if( timeControl_2 > 0 ) {
15397 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15398 tc = timeControl_2;
15401 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15402 inc /= cps->timeOdds;
15403 st /= cps->timeOdds;
15405 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15408 /* Set exact time per move, normally using st command */
15409 if (cps->stKludge) {
15410 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15412 if (seconds == 0) {
15413 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15415 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15418 snprintf(buf, MSG_SIZ, "st %d\n", st);
15421 /* Set conventional or incremental time control, using level command */
15422 if (seconds == 0) {
15423 /* Note old gnuchess bug -- minutes:seconds used to not work.
15424 Fixed in later versions, but still avoid :seconds
15425 when seconds is 0. */
15426 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15428 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15429 seconds, inc/1000.);
15432 SendToProgram(buf, cps);
15434 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15435 /* Orthogonally, limit search to given depth */
15437 if (cps->sdKludge) {
15438 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15440 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15442 SendToProgram(buf, cps);
15445 if(cps->nps >= 0) { /* [HGM] nps */
15446 if(cps->supportsNPS == FALSE)
15447 cps->nps = -1; // don't use if engine explicitly says not supported!
15449 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15450 SendToProgram(buf, cps);
15455 ChessProgramState *
15457 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15459 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15460 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15466 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15468 char message[MSG_SIZ];
15471 /* Note: this routine must be called when the clocks are stopped
15472 or when they have *just* been set or switched; otherwise
15473 it will be off by the time since the current tick started.
15475 if (machineWhite) {
15476 time = whiteTimeRemaining / 10;
15477 otime = blackTimeRemaining / 10;
15479 time = blackTimeRemaining / 10;
15480 otime = whiteTimeRemaining / 10;
15482 /* [HGM] translate opponent's time by time-odds factor */
15483 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15485 if (time <= 0) time = 1;
15486 if (otime <= 0) otime = 1;
15488 snprintf(message, MSG_SIZ, "time %ld\n", time);
15489 SendToProgram(message, cps);
15491 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15492 SendToProgram(message, cps);
15496 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15499 int len = strlen(name);
15502 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15504 sscanf(*p, "%d", &val);
15506 while (**p && **p != ' ')
15508 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15509 SendToProgram(buf, cps);
15516 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15519 int len = strlen(name);
15520 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15522 sscanf(*p, "%d", loc);
15523 while (**p && **p != ' ') (*p)++;
15524 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15525 SendToProgram(buf, cps);
15532 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15535 int len = strlen(name);
15536 if (strncmp((*p), name, len) == 0
15537 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15539 sscanf(*p, "%[^\"]", loc);
15540 while (**p && **p != '\"') (*p)++;
15541 if (**p == '\"') (*p)++;
15542 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15543 SendToProgram(buf, cps);
15550 ParseOption (Option *opt, ChessProgramState *cps)
15551 // [HGM] options: process the string that defines an engine option, and determine
15552 // name, type, default value, and allowed value range
15554 char *p, *q, buf[MSG_SIZ];
15555 int n, min = (-1)<<31, max = 1<<31, def;
15557 if(p = strstr(opt->name, " -spin ")) {
15558 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15559 if(max < min) max = min; // enforce consistency
15560 if(def < min) def = min;
15561 if(def > max) def = max;
15566 } else if((p = strstr(opt->name, " -slider "))) {
15567 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15568 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15569 if(max < min) max = min; // enforce consistency
15570 if(def < min) def = min;
15571 if(def > max) def = max;
15575 opt->type = Spin; // Slider;
15576 } else if((p = strstr(opt->name, " -string "))) {
15577 opt->textValue = p+9;
15578 opt->type = TextBox;
15579 } else if((p = strstr(opt->name, " -file "))) {
15580 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15581 opt->textValue = p+7;
15582 opt->type = FileName; // FileName;
15583 } else if((p = strstr(opt->name, " -path "))) {
15584 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15585 opt->textValue = p+7;
15586 opt->type = PathName; // PathName;
15587 } else if(p = strstr(opt->name, " -check ")) {
15588 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15589 opt->value = (def != 0);
15590 opt->type = CheckBox;
15591 } else if(p = strstr(opt->name, " -combo ")) {
15592 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15593 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15594 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15595 opt->value = n = 0;
15596 while(q = StrStr(q, " /// ")) {
15597 n++; *q = 0; // count choices, and null-terminate each of them
15599 if(*q == '*') { // remember default, which is marked with * prefix
15603 cps->comboList[cps->comboCnt++] = q;
15605 cps->comboList[cps->comboCnt++] = NULL;
15607 opt->type = ComboBox;
15608 } else if(p = strstr(opt->name, " -button")) {
15609 opt->type = Button;
15610 } else if(p = strstr(opt->name, " -save")) {
15611 opt->type = SaveButton;
15612 } else return FALSE;
15613 *p = 0; // terminate option name
15614 // now look if the command-line options define a setting for this engine option.
15615 if(cps->optionSettings && cps->optionSettings[0])
15616 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15617 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15618 snprintf(buf, MSG_SIZ, "option %s", p);
15619 if(p = strstr(buf, ",")) *p = 0;
15620 if(q = strchr(buf, '=')) switch(opt->type) {
15622 for(n=0; n<opt->max; n++)
15623 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15626 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15630 opt->value = atoi(q+1);
15635 SendToProgram(buf, cps);
15641 FeatureDone (ChessProgramState *cps, int val)
15643 DelayedEventCallback cb = GetDelayedEvent();
15644 if ((cb == InitBackEnd3 && cps == &first) ||
15645 (cb == SettingsMenuIfReady && cps == &second) ||
15646 (cb == LoadEngine) ||
15647 (cb == TwoMachinesEventIfReady)) {
15648 CancelDelayedEvent();
15649 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15651 cps->initDone = val;
15654 /* Parse feature command from engine */
15656 ParseFeatures (char *args, ChessProgramState *cps)
15664 while (*p == ' ') p++;
15665 if (*p == NULLCHAR) return;
15667 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15668 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15669 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15670 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15671 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15672 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15673 if (BoolFeature(&p, "reuse", &val, cps)) {
15674 /* Engine can disable reuse, but can't enable it if user said no */
15675 if (!val) cps->reuse = FALSE;
15678 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15679 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15680 if (gameMode == TwoMachinesPlay) {
15681 DisplayTwoMachinesTitle();
15687 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15688 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15689 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15690 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15691 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15692 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15693 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15694 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15695 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15696 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15697 if (IntFeature(&p, "done", &val, cps)) {
15698 FeatureDone(cps, val);
15701 /* Added by Tord: */
15702 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15703 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15704 /* End of additions by Tord */
15706 /* [HGM] added features: */
15707 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15708 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15709 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15710 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15711 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15712 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15713 if (StringFeature(&p, "option", buf, cps)) {
15714 FREE(cps->option[cps->nrOptions].name);
15715 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15716 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15717 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15718 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15719 SendToProgram(buf, cps);
15722 if(cps->nrOptions >= MAX_OPTIONS) {
15724 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15725 DisplayError(buf, 0);
15729 /* End of additions by HGM */
15731 /* unknown feature: complain and skip */
15733 while (*q && *q != '=') q++;
15734 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15735 SendToProgram(buf, cps);
15741 while (*p && *p != '\"') p++;
15742 if (*p == '\"') p++;
15744 while (*p && *p != ' ') p++;
15752 PeriodicUpdatesEvent (int newState)
15754 if (newState == appData.periodicUpdates)
15757 appData.periodicUpdates=newState;
15759 /* Display type changes, so update it now */
15760 // DisplayAnalysis();
15762 /* Get the ball rolling again... */
15764 AnalysisPeriodicEvent(1);
15765 StartAnalysisClock();
15770 PonderNextMoveEvent (int newState)
15772 if (newState == appData.ponderNextMove) return;
15773 if (gameMode == EditPosition) EditPositionDone(TRUE);
15775 SendToProgram("hard\n", &first);
15776 if (gameMode == TwoMachinesPlay) {
15777 SendToProgram("hard\n", &second);
15780 SendToProgram("easy\n", &first);
15781 thinkOutput[0] = NULLCHAR;
15782 if (gameMode == TwoMachinesPlay) {
15783 SendToProgram("easy\n", &second);
15786 appData.ponderNextMove = newState;
15790 NewSettingEvent (int option, int *feature, char *command, int value)
15794 if (gameMode == EditPosition) EditPositionDone(TRUE);
15795 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15796 if(feature == NULL || *feature) SendToProgram(buf, &first);
15797 if (gameMode == TwoMachinesPlay) {
15798 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15803 ShowThinkingEvent ()
15804 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15806 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15807 int newState = appData.showThinking
15808 // [HGM] thinking: other features now need thinking output as well
15809 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15811 if (oldState == newState) return;
15812 oldState = newState;
15813 if (gameMode == EditPosition) EditPositionDone(TRUE);
15815 SendToProgram("post\n", &first);
15816 if (gameMode == TwoMachinesPlay) {
15817 SendToProgram("post\n", &second);
15820 SendToProgram("nopost\n", &first);
15821 thinkOutput[0] = NULLCHAR;
15822 if (gameMode == TwoMachinesPlay) {
15823 SendToProgram("nopost\n", &second);
15826 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15830 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15832 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15833 if (pr == NoProc) return;
15834 AskQuestion(title, question, replyPrefix, pr);
15838 TypeInEvent (char firstChar)
15840 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15841 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15842 gameMode == AnalyzeMode || gameMode == EditGame ||
15843 gameMode == EditPosition || gameMode == IcsExamining ||
15844 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15845 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15846 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15847 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15848 gameMode == Training) PopUpMoveDialog(firstChar);
15852 TypeInDoneEvent (char *move)
15855 int n, fromX, fromY, toX, toY;
15857 ChessMove moveType;
15860 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15861 EditPositionPasteFEN(move);
15864 // [HGM] movenum: allow move number to be typed in any mode
15865 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15869 // undocumented kludge: allow command-line option to be typed in!
15870 // (potentially fatal, and does not implement the effect of the option.)
15871 // should only be used for options that are values on which future decisions will be made,
15872 // and definitely not on options that would be used during initialization.
15873 if(strstr(move, "!!! -") == move) {
15874 ParseArgsFromString(move+4);
15878 if (gameMode != EditGame && currentMove != forwardMostMove &&
15879 gameMode != Training) {
15880 DisplayMoveError(_("Displayed move is not current"));
15882 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15883 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15884 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15885 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15886 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15887 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15889 DisplayMoveError(_("Could not parse move"));
15895 DisplayMove (int moveNumber)
15897 char message[MSG_SIZ];
15899 char cpThinkOutput[MSG_SIZ];
15901 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15903 if (moveNumber == forwardMostMove - 1 ||
15904 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15906 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15908 if (strchr(cpThinkOutput, '\n')) {
15909 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15912 *cpThinkOutput = NULLCHAR;
15915 /* [AS] Hide thinking from human user */
15916 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15917 *cpThinkOutput = NULLCHAR;
15918 if( thinkOutput[0] != NULLCHAR ) {
15921 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15922 cpThinkOutput[i] = '.';
15924 cpThinkOutput[i] = NULLCHAR;
15925 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15929 if (moveNumber == forwardMostMove - 1 &&
15930 gameInfo.resultDetails != NULL) {
15931 if (gameInfo.resultDetails[0] == NULLCHAR) {
15932 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15934 snprintf(res, MSG_SIZ, " {%s} %s",
15935 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15941 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15942 DisplayMessage(res, cpThinkOutput);
15944 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15945 WhiteOnMove(moveNumber) ? " " : ".. ",
15946 parseList[moveNumber], res);
15947 DisplayMessage(message, cpThinkOutput);
15952 DisplayComment (int moveNumber, char *text)
15954 char title[MSG_SIZ];
15956 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15957 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15959 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15960 WhiteOnMove(moveNumber) ? " " : ".. ",
15961 parseList[moveNumber]);
15963 if (text != NULL && (appData.autoDisplayComment || commentUp))
15964 CommentPopUp(title, text);
15967 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15968 * might be busy thinking or pondering. It can be omitted if your
15969 * gnuchess is configured to stop thinking immediately on any user
15970 * input. However, that gnuchess feature depends on the FIONREAD
15971 * ioctl, which does not work properly on some flavors of Unix.
15974 Attention (ChessProgramState *cps)
15977 if (!cps->useSigint) return;
15978 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15979 switch (gameMode) {
15980 case MachinePlaysWhite:
15981 case MachinePlaysBlack:
15982 case TwoMachinesPlay:
15983 case IcsPlayingWhite:
15984 case IcsPlayingBlack:
15987 /* Skip if we know it isn't thinking */
15988 if (!cps->maybeThinking) return;
15989 if (appData.debugMode)
15990 fprintf(debugFP, "Interrupting %s\n", cps->which);
15991 InterruptChildProcess(cps->pr);
15992 cps->maybeThinking = FALSE;
15997 #endif /*ATTENTION*/
16003 if (whiteTimeRemaining <= 0) {
16006 if (appData.icsActive) {
16007 if (appData.autoCallFlag &&
16008 gameMode == IcsPlayingBlack && !blackFlag) {
16009 SendToICS(ics_prefix);
16010 SendToICS("flag\n");
16014 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16016 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16017 if (appData.autoCallFlag) {
16018 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16025 if (blackTimeRemaining <= 0) {
16028 if (appData.icsActive) {
16029 if (appData.autoCallFlag &&
16030 gameMode == IcsPlayingWhite && !whiteFlag) {
16031 SendToICS(ics_prefix);
16032 SendToICS("flag\n");
16036 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16038 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16039 if (appData.autoCallFlag) {
16040 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16051 CheckTimeControl ()
16053 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16054 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16057 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16059 if ( !WhiteOnMove(forwardMostMove) ) {
16060 /* White made time control */
16061 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16062 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16063 /* [HGM] time odds: correct new time quota for time odds! */
16064 / WhitePlayer()->timeOdds;
16065 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16067 lastBlack -= blackTimeRemaining;
16068 /* Black made time control */
16069 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16070 / WhitePlayer()->other->timeOdds;
16071 lastWhite = whiteTimeRemaining;
16076 DisplayBothClocks ()
16078 int wom = gameMode == EditPosition ?
16079 !blackPlaysFirst : WhiteOnMove(currentMove);
16080 DisplayWhiteClock(whiteTimeRemaining, wom);
16081 DisplayBlackClock(blackTimeRemaining, !wom);
16085 /* Timekeeping seems to be a portability nightmare. I think everyone
16086 has ftime(), but I'm really not sure, so I'm including some ifdefs
16087 to use other calls if you don't. Clocks will be less accurate if
16088 you have neither ftime nor gettimeofday.
16091 /* VS 2008 requires the #include outside of the function */
16092 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16093 #include <sys/timeb.h>
16096 /* Get the current time as a TimeMark */
16098 GetTimeMark (TimeMark *tm)
16100 #if HAVE_GETTIMEOFDAY
16102 struct timeval timeVal;
16103 struct timezone timeZone;
16105 gettimeofday(&timeVal, &timeZone);
16106 tm->sec = (long) timeVal.tv_sec;
16107 tm->ms = (int) (timeVal.tv_usec / 1000L);
16109 #else /*!HAVE_GETTIMEOFDAY*/
16112 // include <sys/timeb.h> / moved to just above start of function
16113 struct timeb timeB;
16116 tm->sec = (long) timeB.time;
16117 tm->ms = (int) timeB.millitm;
16119 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16120 tm->sec = (long) time(NULL);
16126 /* Return the difference in milliseconds between two
16127 time marks. We assume the difference will fit in a long!
16130 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16132 return 1000L*(tm2->sec - tm1->sec) +
16133 (long) (tm2->ms - tm1->ms);
16138 * Code to manage the game clocks.
16140 * In tournament play, black starts the clock and then white makes a move.
16141 * We give the human user a slight advantage if he is playing white---the
16142 * clocks don't run until he makes his first move, so it takes zero time.
16143 * Also, we don't account for network lag, so we could get out of sync
16144 * with GNU Chess's clock -- but then, referees are always right.
16147 static TimeMark tickStartTM;
16148 static long intendedTickLength;
16151 NextTickLength (long timeRemaining)
16153 long nominalTickLength, nextTickLength;
16155 if (timeRemaining > 0L && timeRemaining <= 10000L)
16156 nominalTickLength = 100L;
16158 nominalTickLength = 1000L;
16159 nextTickLength = timeRemaining % nominalTickLength;
16160 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16162 return nextTickLength;
16165 /* Adjust clock one minute up or down */
16167 AdjustClock (Boolean which, int dir)
16169 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16170 if(which) blackTimeRemaining += 60000*dir;
16171 else whiteTimeRemaining += 60000*dir;
16172 DisplayBothClocks();
16173 adjustedClock = TRUE;
16176 /* Stop clocks and reset to a fresh time control */
16180 (void) StopClockTimer();
16181 if (appData.icsActive) {
16182 whiteTimeRemaining = blackTimeRemaining = 0;
16183 } else if (searchTime) {
16184 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16185 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16186 } else { /* [HGM] correct new time quote for time odds */
16187 whiteTC = blackTC = fullTimeControlString;
16188 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16189 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16191 if (whiteFlag || blackFlag) {
16193 whiteFlag = blackFlag = FALSE;
16195 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16196 DisplayBothClocks();
16197 adjustedClock = FALSE;
16200 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16202 /* Decrement running clock by amount of time that has passed */
16206 long timeRemaining;
16207 long lastTickLength, fudge;
16210 if (!appData.clockMode) return;
16211 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16215 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16217 /* Fudge if we woke up a little too soon */
16218 fudge = intendedTickLength - lastTickLength;
16219 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16221 if (WhiteOnMove(forwardMostMove)) {
16222 if(whiteNPS >= 0) lastTickLength = 0;
16223 timeRemaining = whiteTimeRemaining -= lastTickLength;
16224 if(timeRemaining < 0 && !appData.icsActive) {
16225 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16226 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16227 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16228 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16231 DisplayWhiteClock(whiteTimeRemaining - fudge,
16232 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16234 if(blackNPS >= 0) lastTickLength = 0;
16235 timeRemaining = blackTimeRemaining -= lastTickLength;
16236 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16237 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16239 blackStartMove = forwardMostMove;
16240 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16243 DisplayBlackClock(blackTimeRemaining - fudge,
16244 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16246 if (CheckFlags()) return;
16248 if(twoBoards) { // count down secondary board's clocks as well
16249 activePartnerTime -= lastTickLength;
16251 if(activePartner == 'W')
16252 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16254 DisplayBlackClock(activePartnerTime, TRUE);
16259 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16260 StartClockTimer(intendedTickLength);
16262 /* if the time remaining has fallen below the alarm threshold, sound the
16263 * alarm. if the alarm has sounded and (due to a takeback or time control
16264 * with increment) the time remaining has increased to a level above the
16265 * threshold, reset the alarm so it can sound again.
16268 if (appData.icsActive && appData.icsAlarm) {
16270 /* make sure we are dealing with the user's clock */
16271 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16272 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16275 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16276 alarmSounded = FALSE;
16277 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16279 alarmSounded = TRUE;
16285 /* A player has just moved, so stop the previously running
16286 clock and (if in clock mode) start the other one.
16287 We redisplay both clocks in case we're in ICS mode, because
16288 ICS gives us an update to both clocks after every move.
16289 Note that this routine is called *after* forwardMostMove
16290 is updated, so the last fractional tick must be subtracted
16291 from the color that is *not* on move now.
16294 SwitchClocks (int newMoveNr)
16296 long lastTickLength;
16298 int flagged = FALSE;
16302 if (StopClockTimer() && appData.clockMode) {
16303 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16304 if (!WhiteOnMove(forwardMostMove)) {
16305 if(blackNPS >= 0) lastTickLength = 0;
16306 blackTimeRemaining -= lastTickLength;
16307 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16308 // if(pvInfoList[forwardMostMove].time == -1)
16309 pvInfoList[forwardMostMove].time = // use GUI time
16310 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16312 if(whiteNPS >= 0) lastTickLength = 0;
16313 whiteTimeRemaining -= lastTickLength;
16314 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16315 // if(pvInfoList[forwardMostMove].time == -1)
16316 pvInfoList[forwardMostMove].time =
16317 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16319 flagged = CheckFlags();
16321 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16322 CheckTimeControl();
16324 if (flagged || !appData.clockMode) return;
16326 switch (gameMode) {
16327 case MachinePlaysBlack:
16328 case MachinePlaysWhite:
16329 case BeginningOfGame:
16330 if (pausing) return;
16334 case PlayFromGameFile:
16342 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16343 if(WhiteOnMove(forwardMostMove))
16344 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16345 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16349 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16350 whiteTimeRemaining : blackTimeRemaining);
16351 StartClockTimer(intendedTickLength);
16355 /* Stop both clocks */
16359 long lastTickLength;
16362 if (!StopClockTimer()) return;
16363 if (!appData.clockMode) return;
16367 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16368 if (WhiteOnMove(forwardMostMove)) {
16369 if(whiteNPS >= 0) lastTickLength = 0;
16370 whiteTimeRemaining -= lastTickLength;
16371 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16373 if(blackNPS >= 0) lastTickLength = 0;
16374 blackTimeRemaining -= lastTickLength;
16375 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16380 /* Start clock of player on move. Time may have been reset, so
16381 if clock is already running, stop and restart it. */
16385 (void) StopClockTimer(); /* in case it was running already */
16386 DisplayBothClocks();
16387 if (CheckFlags()) return;
16389 if (!appData.clockMode) return;
16390 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16392 GetTimeMark(&tickStartTM);
16393 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16394 whiteTimeRemaining : blackTimeRemaining);
16396 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16397 whiteNPS = blackNPS = -1;
16398 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16399 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16400 whiteNPS = first.nps;
16401 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16402 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16403 blackNPS = first.nps;
16404 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16405 whiteNPS = second.nps;
16406 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16407 blackNPS = second.nps;
16408 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16410 StartClockTimer(intendedTickLength);
16414 TimeString (long ms)
16416 long second, minute, hour, day;
16418 static char buf[32];
16420 if (ms > 0 && ms <= 9900) {
16421 /* convert milliseconds to tenths, rounding up */
16422 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16424 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16428 /* convert milliseconds to seconds, rounding up */
16429 /* use floating point to avoid strangeness of integer division
16430 with negative dividends on many machines */
16431 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16438 day = second / (60 * 60 * 24);
16439 second = second % (60 * 60 * 24);
16440 hour = second / (60 * 60);
16441 second = second % (60 * 60);
16442 minute = second / 60;
16443 second = second % 60;
16446 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16447 sign, day, hour, minute, second);
16449 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16451 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16458 * This is necessary because some C libraries aren't ANSI C compliant yet.
16461 StrStr (char *string, char *match)
16465 length = strlen(match);
16467 for (i = strlen(string) - length; i >= 0; i--, string++)
16468 if (!strncmp(match, string, length))
16475 StrCaseStr (char *string, char *match)
16479 length = strlen(match);
16481 for (i = strlen(string) - length; i >= 0; i--, string++) {
16482 for (j = 0; j < length; j++) {
16483 if (ToLower(match[j]) != ToLower(string[j]))
16486 if (j == length) return string;
16494 StrCaseCmp (char *s1, char *s2)
16499 c1 = ToLower(*s1++);
16500 c2 = ToLower(*s2++);
16501 if (c1 > c2) return 1;
16502 if (c1 < c2) return -1;
16503 if (c1 == NULLCHAR) return 0;
16511 return isupper(c) ? tolower(c) : c;
16518 return islower(c) ? toupper(c) : c;
16520 #endif /* !_amigados */
16527 if ((ret = (char *) malloc(strlen(s) + 1)))
16529 safeStrCpy(ret, s, strlen(s)+1);
16535 StrSavePtr (char *s, char **savePtr)
16540 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16541 safeStrCpy(*savePtr, s, strlen(s)+1);
16553 clock = time((time_t *)NULL);
16554 tm = localtime(&clock);
16555 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16556 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16557 return StrSave(buf);
16562 PositionToFEN (int move, char *overrideCastling)
16564 int i, j, fromX, fromY, toX, toY;
16571 whiteToPlay = (gameMode == EditPosition) ?
16572 !blackPlaysFirst : (move % 2 == 0);
16575 /* Piece placement data */
16576 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16577 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16579 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16580 if (boards[move][i][j] == EmptySquare) {
16582 } else { ChessSquare piece = boards[move][i][j];
16583 if (emptycount > 0) {
16584 if(emptycount<10) /* [HGM] can be >= 10 */
16585 *p++ = '0' + emptycount;
16586 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16589 if(PieceToChar(piece) == '+') {
16590 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16592 piece = (ChessSquare)(DEMOTED piece);
16594 *p++ = PieceToChar(piece);
16596 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16597 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16602 if (emptycount > 0) {
16603 if(emptycount<10) /* [HGM] can be >= 10 */
16604 *p++ = '0' + emptycount;
16605 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16612 /* [HGM] print Crazyhouse or Shogi holdings */
16613 if( gameInfo.holdingsWidth ) {
16614 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16616 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16617 piece = boards[move][i][BOARD_WIDTH-1];
16618 if( piece != EmptySquare )
16619 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16620 *p++ = PieceToChar(piece);
16622 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16623 piece = boards[move][BOARD_HEIGHT-i-1][0];
16624 if( piece != EmptySquare )
16625 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16626 *p++ = PieceToChar(piece);
16629 if( q == p ) *p++ = '-';
16635 *p++ = whiteToPlay ? 'w' : 'b';
16638 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16639 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16641 if(nrCastlingRights) {
16643 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16644 /* [HGM] write directly from rights */
16645 if(boards[move][CASTLING][2] != NoRights &&
16646 boards[move][CASTLING][0] != NoRights )
16647 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16648 if(boards[move][CASTLING][2] != NoRights &&
16649 boards[move][CASTLING][1] != NoRights )
16650 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16651 if(boards[move][CASTLING][5] != NoRights &&
16652 boards[move][CASTLING][3] != NoRights )
16653 *p++ = boards[move][CASTLING][3] + AAA;
16654 if(boards[move][CASTLING][5] != NoRights &&
16655 boards[move][CASTLING][4] != NoRights )
16656 *p++ = boards[move][CASTLING][4] + AAA;
16659 /* [HGM] write true castling rights */
16660 if( nrCastlingRights == 6 ) {
16661 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16662 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16663 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16664 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16665 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16666 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16667 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16668 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16671 if (q == p) *p++ = '-'; /* No castling rights */
16675 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16676 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16677 /* En passant target square */
16678 if (move > backwardMostMove) {
16679 fromX = moveList[move - 1][0] - AAA;
16680 fromY = moveList[move - 1][1] - ONE;
16681 toX = moveList[move - 1][2] - AAA;
16682 toY = moveList[move - 1][3] - ONE;
16683 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16684 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16685 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16687 /* 2-square pawn move just happened */
16689 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16693 } else if(move == backwardMostMove) {
16694 // [HGM] perhaps we should always do it like this, and forget the above?
16695 if((signed char)boards[move][EP_STATUS] >= 0) {
16696 *p++ = boards[move][EP_STATUS] + AAA;
16697 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16708 /* [HGM] find reversible plies */
16709 { int i = 0, j=move;
16711 if (appData.debugMode) { int k;
16712 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16713 for(k=backwardMostMove; k<=forwardMostMove; k++)
16714 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16718 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16719 if( j == backwardMostMove ) i += initialRulePlies;
16720 sprintf(p, "%d ", i);
16721 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16723 /* Fullmove number */
16724 sprintf(p, "%d", (move / 2) + 1);
16726 return StrSave(buf);
16730 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16739 /* [HGM] by default clear Crazyhouse holdings, if present */
16740 if(gameInfo.holdingsWidth) {
16741 for(i=0; i<BOARD_HEIGHT; i++) {
16742 board[i][0] = EmptySquare; /* black holdings */
16743 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16744 board[i][1] = (ChessSquare) 0; /* black counts */
16745 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16749 /* Piece placement data */
16750 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16753 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16754 if (*p == '/') p++;
16755 emptycount = gameInfo.boardWidth - j;
16756 while (emptycount--)
16757 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16759 #if(BOARD_FILES >= 10)
16760 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16761 p++; emptycount=10;
16762 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16763 while (emptycount--)
16764 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16766 } else if (isdigit(*p)) {
16767 emptycount = *p++ - '0';
16768 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16769 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16770 while (emptycount--)
16771 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16772 } else if (*p == '+' || isalpha(*p)) {
16773 if (j >= gameInfo.boardWidth) return FALSE;
16775 piece = CharToPiece(*++p);
16776 if(piece == EmptySquare) return FALSE; /* unknown piece */
16777 piece = (ChessSquare) (PROMOTED piece ); p++;
16778 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16779 } else piece = CharToPiece(*p++);
16781 if(piece==EmptySquare) return FALSE; /* unknown piece */
16782 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16783 piece = (ChessSquare) (PROMOTED piece);
16784 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16787 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16793 while (*p == '/' || *p == ' ') p++;
16795 /* [HGM] look for Crazyhouse holdings here */
16796 while(*p==' ') p++;
16797 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16799 if(*p == '-' ) p++; /* empty holdings */ else {
16800 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16801 /* if we would allow FEN reading to set board size, we would */
16802 /* have to add holdings and shift the board read so far here */
16803 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16805 if((int) piece >= (int) BlackPawn ) {
16806 i = (int)piece - (int)BlackPawn;
16807 i = PieceToNumber((ChessSquare)i);
16808 if( i >= gameInfo.holdingsSize ) return FALSE;
16809 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16810 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16812 i = (int)piece - (int)WhitePawn;
16813 i = PieceToNumber((ChessSquare)i);
16814 if( i >= gameInfo.holdingsSize ) return FALSE;
16815 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16816 board[i][BOARD_WIDTH-2]++; /* black holdings */
16823 while(*p == ' ') p++;
16827 if(appData.colorNickNames) {
16828 if( c == appData.colorNickNames[0] ) c = 'w'; else
16829 if( c == appData.colorNickNames[1] ) c = 'b';
16833 *blackPlaysFirst = FALSE;
16836 *blackPlaysFirst = TRUE;
16842 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16843 /* return the extra info in global variiables */
16845 /* set defaults in case FEN is incomplete */
16846 board[EP_STATUS] = EP_UNKNOWN;
16847 for(i=0; i<nrCastlingRights; i++ ) {
16848 board[CASTLING][i] =
16849 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16850 } /* assume possible unless obviously impossible */
16851 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16852 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16853 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16854 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16855 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16856 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16857 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16858 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16861 while(*p==' ') p++;
16862 if(nrCastlingRights) {
16863 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16864 /* castling indicator present, so default becomes no castlings */
16865 for(i=0; i<nrCastlingRights; i++ ) {
16866 board[CASTLING][i] = NoRights;
16869 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16870 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16871 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16872 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16873 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16875 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16876 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16877 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16879 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16880 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16881 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16882 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16883 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16884 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16887 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16888 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16889 board[CASTLING][2] = whiteKingFile;
16892 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16893 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16894 board[CASTLING][2] = whiteKingFile;
16897 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16898 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16899 board[CASTLING][5] = blackKingFile;
16902 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16903 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16904 board[CASTLING][5] = blackKingFile;
16907 default: /* FRC castlings */
16908 if(c >= 'a') { /* black rights */
16909 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16910 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16911 if(i == BOARD_RGHT) break;
16912 board[CASTLING][5] = i;
16914 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16915 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16917 board[CASTLING][3] = c;
16919 board[CASTLING][4] = c;
16920 } else { /* white rights */
16921 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16922 if(board[0][i] == WhiteKing) break;
16923 if(i == BOARD_RGHT) break;
16924 board[CASTLING][2] = i;
16925 c -= AAA - 'a' + 'A';
16926 if(board[0][c] >= WhiteKing) break;
16928 board[CASTLING][0] = c;
16930 board[CASTLING][1] = c;
16934 for(i=0; i<nrCastlingRights; i++)
16935 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16936 if (appData.debugMode) {
16937 fprintf(debugFP, "FEN castling rights:");
16938 for(i=0; i<nrCastlingRights; i++)
16939 fprintf(debugFP, " %d", board[CASTLING][i]);
16940 fprintf(debugFP, "\n");
16943 while(*p==' ') p++;
16946 /* read e.p. field in games that know e.p. capture */
16947 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16948 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16950 p++; board[EP_STATUS] = EP_NONE;
16952 char c = *p++ - AAA;
16954 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16955 if(*p >= '0' && *p <='9') p++;
16956 board[EP_STATUS] = c;
16961 if(sscanf(p, "%d", &i) == 1) {
16962 FENrulePlies = i; /* 50-move ply counter */
16963 /* (The move number is still ignored) */
16970 EditPositionPasteFEN (char *fen)
16973 Board initial_position;
16975 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16976 DisplayError(_("Bad FEN position in clipboard"), 0);
16979 int savedBlackPlaysFirst = blackPlaysFirst;
16980 EditPositionEvent();
16981 blackPlaysFirst = savedBlackPlaysFirst;
16982 CopyBoard(boards[0], initial_position);
16983 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16984 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16985 DisplayBothClocks();
16986 DrawPosition(FALSE, boards[currentMove]);
16991 static char cseq[12] = "\\ ";
16994 set_cont_sequence (char *new_seq)
16999 // handle bad attempts to set the sequence
17001 return 0; // acceptable error - no debug
17003 len = strlen(new_seq);
17004 ret = (len > 0) && (len < sizeof(cseq));
17006 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17007 else if (appData.debugMode)
17008 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17013 reformat a source message so words don't cross the width boundary. internal
17014 newlines are not removed. returns the wrapped size (no null character unless
17015 included in source message). If dest is NULL, only calculate the size required
17016 for the dest buffer. lp argument indicats line position upon entry, and it's
17017 passed back upon exit.
17020 wrap (char *dest, char *src, int count, int width, int *lp)
17022 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17024 cseq_len = strlen(cseq);
17025 old_line = line = *lp;
17026 ansi = len = clen = 0;
17028 for (i=0; i < count; i++)
17030 if (src[i] == '\033')
17033 // if we hit the width, back up
17034 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17036 // store i & len in case the word is too long
17037 old_i = i, old_len = len;
17039 // find the end of the last word
17040 while (i && src[i] != ' ' && src[i] != '\n')
17046 // word too long? restore i & len before splitting it
17047 if ((old_i-i+clen) >= width)
17054 if (i && src[i-1] == ' ')
17057 if (src[i] != ' ' && src[i] != '\n')
17064 // now append the newline and continuation sequence
17069 strncpy(dest+len, cseq, cseq_len);
17077 dest[len] = src[i];
17081 if (src[i] == '\n')
17086 if (dest && appData.debugMode)
17088 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17089 count, width, line, len, *lp);
17090 show_bytes(debugFP, src, count);
17091 fprintf(debugFP, "\ndest: ");
17092 show_bytes(debugFP, dest, len);
17093 fprintf(debugFP, "\n");
17095 *lp = dest ? line : old_line;
17100 // [HGM] vari: routines for shelving variations
17101 Boolean modeRestore = FALSE;
17104 PushInner (int firstMove, int lastMove)
17106 int i, j, nrMoves = lastMove - firstMove;
17108 // push current tail of game on stack
17109 savedResult[storedGames] = gameInfo.result;
17110 savedDetails[storedGames] = gameInfo.resultDetails;
17111 gameInfo.resultDetails = NULL;
17112 savedFirst[storedGames] = firstMove;
17113 savedLast [storedGames] = lastMove;
17114 savedFramePtr[storedGames] = framePtr;
17115 framePtr -= nrMoves; // reserve space for the boards
17116 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17117 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17118 for(j=0; j<MOVE_LEN; j++)
17119 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17120 for(j=0; j<2*MOVE_LEN; j++)
17121 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17122 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17123 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17124 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17125 pvInfoList[firstMove+i-1].depth = 0;
17126 commentList[framePtr+i] = commentList[firstMove+i];
17127 commentList[firstMove+i] = NULL;
17131 forwardMostMove = firstMove; // truncate game so we can start variation
17135 PushTail (int firstMove, int lastMove)
17137 if(appData.icsActive) { // only in local mode
17138 forwardMostMove = currentMove; // mimic old ICS behavior
17141 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17143 PushInner(firstMove, lastMove);
17144 if(storedGames == 1) GreyRevert(FALSE);
17145 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17149 PopInner (Boolean annotate)
17152 char buf[8000], moveBuf[20];
17154 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17155 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17156 nrMoves = savedLast[storedGames] - currentMove;
17159 if(!WhiteOnMove(currentMove))
17160 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17161 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17162 for(i=currentMove; i<forwardMostMove; i++) {
17164 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17165 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17166 strcat(buf, moveBuf);
17167 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17168 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17172 for(i=1; i<=nrMoves; i++) { // copy last variation back
17173 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17174 for(j=0; j<MOVE_LEN; j++)
17175 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17176 for(j=0; j<2*MOVE_LEN; j++)
17177 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17178 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17179 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17180 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17181 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17182 commentList[currentMove+i] = commentList[framePtr+i];
17183 commentList[framePtr+i] = NULL;
17185 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17186 framePtr = savedFramePtr[storedGames];
17187 gameInfo.result = savedResult[storedGames];
17188 if(gameInfo.resultDetails != NULL) {
17189 free(gameInfo.resultDetails);
17191 gameInfo.resultDetails = savedDetails[storedGames];
17192 forwardMostMove = currentMove + nrMoves;
17196 PopTail (Boolean annotate)
17198 if(appData.icsActive) return FALSE; // only in local mode
17199 if(!storedGames) return FALSE; // sanity
17200 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17202 PopInner(annotate);
17203 if(currentMove < forwardMostMove) ForwardEvent(); else
17204 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17206 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17212 { // remove all shelved variations
17214 for(i=0; i<storedGames; i++) {
17215 if(savedDetails[i])
17216 free(savedDetails[i]);
17217 savedDetails[i] = NULL;
17219 for(i=framePtr; i<MAX_MOVES; i++) {
17220 if(commentList[i]) free(commentList[i]);
17221 commentList[i] = NULL;
17223 framePtr = MAX_MOVES-1;
17228 LoadVariation (int index, char *text)
17229 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17230 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17231 int level = 0, move;
17233 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17234 // first find outermost bracketing variation
17235 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17236 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17237 if(*p == '{') wait = '}'; else
17238 if(*p == '[') wait = ']'; else
17239 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17240 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17242 if(*p == wait) wait = NULLCHAR; // closing ]} found
17245 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17246 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17247 end[1] = NULLCHAR; // clip off comment beyond variation
17248 ToNrEvent(currentMove-1);
17249 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17250 // kludge: use ParsePV() to append variation to game
17251 move = currentMove;
17252 ParsePV(start, TRUE, TRUE);
17253 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17254 ClearPremoveHighlights();
17256 ToNrEvent(currentMove+1);