2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void SendToICS P((char *s));
156 void SendToICSDelayed P((char *s, long msdelay));
157 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
158 void HandleMachineMove P((char *message, ChessProgramState *cps));
159 int AutoPlayOneMove P((void));
160 int LoadGameOneMove P((ChessMove readAhead));
161 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
162 int LoadPositionFromFile P((char *filename, int n, char *title));
163 int SavePositionToFile P((char *filename));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 int ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 int RegisterMove P((void));
199 void MakeRegisteredMove P((void));
200 void TruncateGame P((void));
201 int looking_at P((char *, int *, char *));
202 void CopyPlayerNameIntoFileName P((char **, char *));
203 char *SavePart P((char *));
204 int SaveGameOldStyle P((FILE *));
205 int SaveGamePGN P((FILE *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps, int setup));
215 void OutputKibitz(int window, char *text);
216 int PerpetualChase(int first, int last);
217 int EngineOutputIsUp();
218 void InitDrawingSizes(int x, int y);
219 void NextMatchGame P((void));
220 int NextTourneyGame P((int nr, int *swap));
221 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
222 FILE *WriteTourneyFile P((char *results, FILE *f));
223 void DisplayTwoMachinesTitle P(());
224 static void ExcludeClick P((int index));
225 void ToggleSecond P((void));
228 extern void ConsoleCreate();
231 ChessProgramState *WhitePlayer();
232 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
233 int VerifyDisplayMode P(());
235 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
236 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
237 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
238 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
239 void ics_update_width P((int new_width));
240 extern char installDir[MSG_SIZ];
241 VariantClass startVariant; /* [HGM] nicks: initial variant */
244 extern int tinyLayout, smallLayout;
245 ChessProgramStats programStats;
246 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
248 static int exiting = 0; /* [HGM] moved to top */
249 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
250 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
251 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
252 int partnerHighlight[2];
253 Boolean partnerBoardValid = 0;
254 char partnerStatus[MSG_SIZ];
256 Boolean originalFlip;
257 Boolean twoBoards = 0;
258 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
259 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
260 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
261 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
262 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
263 int opponentKibitzes;
264 int lastSavedGame; /* [HGM] save: ID of game */
265 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
266 extern int chatCount;
268 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
269 char lastMsg[MSG_SIZ];
270 ChessSquare pieceSweep = EmptySquare;
271 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
272 int promoDefaultAltered;
273 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
275 /* States for ics_getting_history */
277 #define H_REQUESTED 1
278 #define H_GOT_REQ_HEADER 2
279 #define H_GOT_UNREQ_HEADER 3
280 #define H_GETTING_MOVES 4
281 #define H_GOT_UNWANTED_HEADER 5
283 /* whosays values for GameEnds */
292 /* Maximum number of games in a cmail message */
293 #define CMAIL_MAX_GAMES 20
295 /* Different types of move when calling RegisterMove */
297 #define CMAIL_RESIGN 1
299 #define CMAIL_ACCEPT 3
301 /* Different types of result to remember for each game */
302 #define CMAIL_NOT_RESULT 0
303 #define CMAIL_OLD_RESULT 1
304 #define CMAIL_NEW_RESULT 2
306 /* Telnet protocol constants */
317 safeStrCpy (char *dst, const char *src, size_t count)
320 assert( dst != NULL );
321 assert( src != NULL );
324 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
325 if( i == count && dst[count-1] != NULLCHAR)
327 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
328 if(appData.debugMode)
329 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
335 /* Some compiler can't cast u64 to double
336 * This function do the job for us:
338 * We use the highest bit for cast, this only
339 * works if the highest bit is not
340 * in use (This should not happen)
342 * We used this for all compiler
345 u64ToDouble (u64 value)
348 u64 tmp = value & u64Const(0x7fffffffffffffff);
349 r = (double)(s64)tmp;
350 if (value & u64Const(0x8000000000000000))
351 r += 9.2233720368547758080e18; /* 2^63 */
355 /* Fake up flags for now, as we aren't keeping track of castling
356 availability yet. [HGM] Change of logic: the flag now only
357 indicates the type of castlings allowed by the rule of the game.
358 The actual rights themselves are maintained in the array
359 castlingRights, as part of the game history, and are not probed
365 int flags = F_ALL_CASTLE_OK;
366 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
367 switch (gameInfo.variant) {
369 flags &= ~F_ALL_CASTLE_OK;
370 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
371 flags |= F_IGNORE_CHECK;
373 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
376 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
378 case VariantKriegspiel:
379 flags |= F_KRIEGSPIEL_CAPTURE;
381 case VariantCapaRandom:
382 case VariantFischeRandom:
383 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
384 case VariantNoCastle:
385 case VariantShatranj:
389 flags &= ~F_ALL_CASTLE_OK;
397 FILE *gameFileFP, *debugFP, *serverFP;
398 char *currentDebugFile; // [HGM] debug split: to remember name
401 [AS] Note: sometimes, the sscanf() function is used to parse the input
402 into a fixed-size buffer. Because of this, we must be prepared to
403 receive strings as long as the size of the input buffer, which is currently
404 set to 4K for Windows and 8K for the rest.
405 So, we must either allocate sufficiently large buffers here, or
406 reduce the size of the input buffer in the input reading part.
409 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
410 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
411 char thinkOutput1[MSG_SIZ*10];
413 ChessProgramState first, second, pairing;
415 /* premove variables */
418 int premoveFromX = 0;
419 int premoveFromY = 0;
420 int premovePromoChar = 0;
422 Boolean alarmSounded;
423 /* end premove variables */
425 char *ics_prefix = "$";
426 enum ICS_TYPE ics_type = ICS_GENERIC;
428 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
429 int pauseExamForwardMostMove = 0;
430 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
431 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
432 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
433 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
434 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
435 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
436 int whiteFlag = FALSE, blackFlag = FALSE;
437 int userOfferedDraw = FALSE;
438 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
439 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
440 int cmailMoveType[CMAIL_MAX_GAMES];
441 long ics_clock_paused = 0;
442 ProcRef icsPR = NoProc, cmailPR = NoProc;
443 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
444 GameMode gameMode = BeginningOfGame;
445 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
446 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
447 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
448 int hiddenThinkOutputState = 0; /* [AS] */
449 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
450 int adjudicateLossPlies = 6;
451 char white_holding[64], black_holding[64];
452 TimeMark lastNodeCountTime;
453 long lastNodeCount=0;
454 int shiftKey, controlKey; // [HGM] set by mouse handler
456 int have_sent_ICS_logon = 0;
458 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
459 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
460 Boolean adjustedClock;
461 long timeControl_2; /* [AS] Allow separate time controls */
462 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
463 long timeRemaining[2][MAX_MOVES];
464 int matchGame = 0, nextGame = 0, roundNr = 0;
465 Boolean waitingForGame = FALSE;
466 TimeMark programStartTime, pauseStart;
467 char ics_handle[MSG_SIZ];
468 int have_set_title = 0;
470 /* animateTraining preserves the state of appData.animate
471 * when Training mode is activated. This allows the
472 * response to be animated when appData.animate == TRUE and
473 * appData.animateDragging == TRUE.
475 Boolean animateTraining;
481 Board boards[MAX_MOVES];
482 /* [HGM] Following 7 needed for accurate legality tests: */
483 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
484 signed char initialRights[BOARD_FILES];
485 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
486 int initialRulePlies, FENrulePlies;
487 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
489 Boolean shuffleOpenings;
490 int mute; // mute all sounds
492 // [HGM] vari: next 12 to save and restore variations
493 #define MAX_VARIATIONS 10
494 int framePtr = MAX_MOVES-1; // points to free stack entry
496 int savedFirst[MAX_VARIATIONS];
497 int savedLast[MAX_VARIATIONS];
498 int savedFramePtr[MAX_VARIATIONS];
499 char *savedDetails[MAX_VARIATIONS];
500 ChessMove savedResult[MAX_VARIATIONS];
502 void PushTail P((int firstMove, int lastMove));
503 Boolean PopTail P((Boolean annotate));
504 void PushInner P((int firstMove, int lastMove));
505 void PopInner P((Boolean annotate));
506 void CleanupTail P((void));
508 ChessSquare FIDEArray[2][BOARD_FILES] = {
509 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
510 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
511 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
512 BlackKing, BlackBishop, BlackKnight, BlackRook }
515 ChessSquare twoKingsArray[2][BOARD_FILES] = {
516 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
517 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
518 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
519 BlackKing, BlackKing, BlackKnight, BlackRook }
522 ChessSquare KnightmateArray[2][BOARD_FILES] = {
523 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
524 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
525 { BlackRook, BlackMan, BlackBishop, BlackQueen,
526 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
529 ChessSquare SpartanArray[2][BOARD_FILES] = {
530 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
531 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
532 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
533 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
536 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
537 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
538 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
539 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
540 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
543 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
544 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
545 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
547 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
550 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
551 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
552 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackMan, BlackFerz,
554 BlackKing, BlackMan, BlackKnight, BlackRook }
558 #if (BOARD_FILES>=10)
559 ChessSquare ShogiArray[2][BOARD_FILES] = {
560 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
561 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
562 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
563 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
566 ChessSquare XiangqiArray[2][BOARD_FILES] = {
567 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
568 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
569 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
570 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
573 ChessSquare CapablancaArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
575 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
576 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
577 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
580 ChessSquare GreatArray[2][BOARD_FILES] = {
581 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
582 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
583 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
584 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
587 ChessSquare JanusArray[2][BOARD_FILES] = {
588 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
589 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
590 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
591 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
594 ChessSquare GrandArray[2][BOARD_FILES] = {
595 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
596 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
597 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
598 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
602 ChessSquare GothicArray[2][BOARD_FILES] = {
603 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
604 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
605 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
606 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
609 #define GothicArray CapablancaArray
613 ChessSquare FalconArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
615 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
617 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
620 #define FalconArray CapablancaArray
623 #else // !(BOARD_FILES>=10)
624 #define XiangqiPosition FIDEArray
625 #define CapablancaArray FIDEArray
626 #define GothicArray FIDEArray
627 #define GreatArray FIDEArray
628 #endif // !(BOARD_FILES>=10)
630 #if (BOARD_FILES>=12)
631 ChessSquare CourierArray[2][BOARD_FILES] = {
632 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
633 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
634 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
635 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
637 #else // !(BOARD_FILES>=12)
638 #define CourierArray CapablancaArray
639 #endif // !(BOARD_FILES>=12)
642 Board initialPosition;
645 /* Convert str to a rating. Checks for special cases of "----",
647 "++++", etc. Also strips ()'s */
649 string_to_rating (char *str)
651 while(*str && !isdigit(*str)) ++str;
653 return 0; /* One of the special "no rating" cases */
661 /* Init programStats */
662 programStats.movelist[0] = 0;
663 programStats.depth = 0;
664 programStats.nr_moves = 0;
665 programStats.moves_left = 0;
666 programStats.nodes = 0;
667 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
668 programStats.score = 0;
669 programStats.got_only_move = 0;
670 programStats.got_fail = 0;
671 programStats.line_is_book = 0;
676 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
677 if (appData.firstPlaysBlack) {
678 first.twoMachinesColor = "black\n";
679 second.twoMachinesColor = "white\n";
681 first.twoMachinesColor = "white\n";
682 second.twoMachinesColor = "black\n";
685 first.other = &second;
686 second.other = &first;
689 if(appData.timeOddsMode) {
690 norm = appData.timeOdds[0];
691 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
693 first.timeOdds = appData.timeOdds[0]/norm;
694 second.timeOdds = appData.timeOdds[1]/norm;
697 if(programVersion) free(programVersion);
698 if (appData.noChessProgram) {
699 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
700 sprintf(programVersion, "%s", PACKAGE_STRING);
702 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
703 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
704 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
709 UnloadEngine (ChessProgramState *cps)
711 /* Kill off first chess program */
712 if (cps->isr != NULL)
713 RemoveInputSource(cps->isr);
716 if (cps->pr != NoProc) {
718 DoSleep( appData.delayBeforeQuit );
719 SendToProgram("quit\n", cps);
720 DoSleep( appData.delayAfterQuit );
721 DestroyChildProcess(cps->pr, cps->useSigterm);
724 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
728 ClearOptions (ChessProgramState *cps)
731 cps->nrOptions = cps->comboCnt = 0;
732 for(i=0; i<MAX_OPTIONS; i++) {
733 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
734 cps->option[i].textValue = 0;
738 char *engineNames[] = {
739 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
740 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
742 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
743 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
748 InitEngine (ChessProgramState *cps, int n)
749 { // [HGM] all engine initialiation put in a function that does one engine
753 cps->which = engineNames[n];
754 cps->maybeThinking = FALSE;
758 cps->sendDrawOffers = 1;
760 cps->program = appData.chessProgram[n];
761 cps->host = appData.host[n];
762 cps->dir = appData.directory[n];
763 cps->initString = appData.engInitString[n];
764 cps->computerString = appData.computerString[n];
765 cps->useSigint = TRUE;
766 cps->useSigterm = TRUE;
767 cps->reuse = appData.reuse[n];
768 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
769 cps->useSetboard = FALSE;
771 cps->usePing = FALSE;
774 cps->usePlayother = FALSE;
775 cps->useColors = TRUE;
776 cps->useUsermove = FALSE;
777 cps->sendICS = FALSE;
778 cps->sendName = appData.icsActive;
779 cps->sdKludge = FALSE;
780 cps->stKludge = FALSE;
781 TidyProgramName(cps->program, cps->host, cps->tidy);
783 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
784 cps->analysisSupport = 2; /* detect */
785 cps->analyzing = FALSE;
786 cps->initDone = FALSE;
788 /* New features added by Tord: */
789 cps->useFEN960 = FALSE;
790 cps->useOOCastle = TRUE;
791 /* End of new features added by Tord. */
792 cps->fenOverride = appData.fenOverride[n];
794 /* [HGM] time odds: set factor for each machine */
795 cps->timeOdds = appData.timeOdds[n];
797 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
798 cps->accumulateTC = appData.accumulateTC[n];
799 cps->maxNrOfSessions = 1;
804 cps->supportsNPS = UNKNOWN;
805 cps->memSize = FALSE;
806 cps->maxCores = FALSE;
807 cps->egtFormats[0] = NULLCHAR;
810 cps->optionSettings = appData.engOptions[n];
812 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
813 cps->isUCI = appData.isUCI[n]; /* [AS] */
814 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
816 if (appData.protocolVersion[n] > PROTOVER
817 || appData.protocolVersion[n] < 1)
822 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
823 appData.protocolVersion[n]);
824 if( (len >= MSG_SIZ) && appData.debugMode )
825 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
827 DisplayFatalError(buf, 0, 2);
831 cps->protocolVersion = appData.protocolVersion[n];
834 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
835 ParseFeatures(appData.featureDefaults, cps);
838 ChessProgramState *savCps;
844 if(WaitForEngine(savCps, LoadEngine)) return;
845 CommonEngineInit(); // recalculate time odds
846 if(gameInfo.variant != StringToVariant(appData.variant)) {
847 // we changed variant when loading the engine; this forces us to reset
848 Reset(TRUE, savCps != &first);
849 EditGameEvent(); // for consistency with other path, as Reset changes mode
851 InitChessProgram(savCps, FALSE);
852 SendToProgram("force\n", savCps);
853 DisplayMessage("", "");
854 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
855 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
861 ReplaceEngine (ChessProgramState *cps, int n)
865 appData.noChessProgram = FALSE;
866 appData.clockMode = TRUE;
869 if(n) return; // only startup first engine immediately; second can wait
870 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
874 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
875 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
877 static char resetOptions[] =
878 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
879 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
880 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
881 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
884 FloatToFront(char **list, char *engineLine)
886 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
888 if(appData.recentEngines <= 0) return;
889 TidyProgramName(engineLine, "localhost", tidy+1);
890 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
891 strncpy(buf+1, *list, MSG_SIZ-50);
892 if(p = strstr(buf, tidy)) { // tidy name appears in list
893 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
894 while(*p++ = *++q); // squeeze out
896 strcat(tidy, buf+1); // put list behind tidy name
897 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
898 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
899 ASSIGN(*list, tidy+1);
902 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
905 Load (ChessProgramState *cps, int i)
907 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
908 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
909 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
910 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
911 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
912 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
913 appData.firstProtocolVersion = PROTOVER;
914 ParseArgsFromString(buf);
916 ReplaceEngine(cps, i);
917 FloatToFront(&appData.recentEngineList, engineLine);
921 while(q = strchr(p, SLASH)) p = q+1;
922 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
923 if(engineDir[0] != NULLCHAR) {
924 ASSIGN(appData.directory[i], engineDir); p = engineName;
925 } else if(p != engineName) { // derive directory from engine path, when not given
927 ASSIGN(appData.directory[i], engineName);
929 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
930 } else { ASSIGN(appData.directory[i], "."); }
932 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
933 snprintf(command, MSG_SIZ, "%s %s", p, params);
936 ASSIGN(appData.chessProgram[i], p);
937 appData.isUCI[i] = isUCI;
938 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
939 appData.hasOwnBookUCI[i] = hasBook;
940 if(!nickName[0]) useNick = FALSE;
941 if(useNick) ASSIGN(appData.pgnName[i], nickName);
945 q = firstChessProgramNames;
946 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
947 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
948 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
949 quote, p, quote, appData.directory[i],
950 useNick ? " -fn \"" : "",
951 useNick ? nickName : "",
953 v1 ? " -firstProtocolVersion 1" : "",
954 hasBook ? "" : " -fNoOwnBookUCI",
955 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
956 storeVariant ? " -variant " : "",
957 storeVariant ? VariantName(gameInfo.variant) : "");
958 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
959 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
960 if(insert != q) insert[-1] = NULLCHAR;
961 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
963 FloatToFront(&appData.recentEngineList, buf);
965 ReplaceEngine(cps, i);
971 int matched, min, sec;
973 * Parse timeControl resource
975 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
976 appData.movesPerSession)) {
978 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
979 DisplayFatalError(buf, 0, 2);
983 * Parse searchTime resource
985 if (*appData.searchTime != NULLCHAR) {
986 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
988 searchTime = min * 60;
989 } else if (matched == 2) {
990 searchTime = min * 60 + sec;
993 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
994 DisplayFatalError(buf, 0, 2);
1003 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1004 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1006 GetTimeMark(&programStartTime);
1007 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1008 appData.seedBase = random() + (random()<<15);
1009 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1011 ClearProgramStats();
1012 programStats.ok_to_send = 1;
1013 programStats.seen_stat = 0;
1016 * Initialize game list
1022 * Internet chess server status
1024 if (appData.icsActive) {
1025 appData.matchMode = FALSE;
1026 appData.matchGames = 0;
1028 appData.noChessProgram = !appData.zippyPlay;
1030 appData.zippyPlay = FALSE;
1031 appData.zippyTalk = FALSE;
1032 appData.noChessProgram = TRUE;
1034 if (*appData.icsHelper != NULLCHAR) {
1035 appData.useTelnet = TRUE;
1036 appData.telnetProgram = appData.icsHelper;
1039 appData.zippyTalk = appData.zippyPlay = FALSE;
1042 /* [AS] Initialize pv info list [HGM] and game state */
1046 for( i=0; i<=framePtr; i++ ) {
1047 pvInfoList[i].depth = -1;
1048 boards[i][EP_STATUS] = EP_NONE;
1049 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1055 /* [AS] Adjudication threshold */
1056 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1058 InitEngine(&first, 0);
1059 InitEngine(&second, 1);
1062 pairing.which = "pairing"; // pairing engine
1063 pairing.pr = NoProc;
1065 pairing.program = appData.pairingEngine;
1066 pairing.host = "localhost";
1069 if (appData.icsActive) {
1070 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1071 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1072 appData.clockMode = FALSE;
1073 first.sendTime = second.sendTime = 0;
1077 /* Override some settings from environment variables, for backward
1078 compatibility. Unfortunately it's not feasible to have the env
1079 vars just set defaults, at least in xboard. Ugh.
1081 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1086 if (!appData.icsActive) {
1090 /* Check for variants that are supported only in ICS mode,
1091 or not at all. Some that are accepted here nevertheless
1092 have bugs; see comments below.
1094 VariantClass variant = StringToVariant(appData.variant);
1096 case VariantBughouse: /* need four players and two boards */
1097 case VariantKriegspiel: /* need to hide pieces and move details */
1098 /* case VariantFischeRandom: (Fabien: moved below) */
1099 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1100 if( (len >= MSG_SIZ) && appData.debugMode )
1101 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1103 DisplayFatalError(buf, 0, 2);
1106 case VariantUnknown:
1107 case VariantLoadable:
1117 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1118 if( (len >= MSG_SIZ) && appData.debugMode )
1119 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1121 DisplayFatalError(buf, 0, 2);
1124 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1125 case VariantFairy: /* [HGM] TestLegality definitely off! */
1126 case VariantGothic: /* [HGM] should work */
1127 case VariantCapablanca: /* [HGM] should work */
1128 case VariantCourier: /* [HGM] initial forced moves not implemented */
1129 case VariantShogi: /* [HGM] could still mate with pawn drop */
1130 case VariantKnightmate: /* [HGM] should work */
1131 case VariantCylinder: /* [HGM] untested */
1132 case VariantFalcon: /* [HGM] untested */
1133 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1134 offboard interposition not understood */
1135 case VariantNormal: /* definitely works! */
1136 case VariantWildCastle: /* pieces not automatically shuffled */
1137 case VariantNoCastle: /* pieces not automatically shuffled */
1138 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1139 case VariantLosers: /* should work except for win condition,
1140 and doesn't know captures are mandatory */
1141 case VariantSuicide: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantGiveaway: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantTwoKings: /* should work */
1146 case VariantAtomic: /* should work except for win condition */
1147 case Variant3Check: /* should work except for win condition */
1148 case VariantShatranj: /* should work except for all win conditions */
1149 case VariantMakruk: /* should work except for draw countdown */
1150 case VariantBerolina: /* might work if TestLegality is off */
1151 case VariantCapaRandom: /* should work */
1152 case VariantJanus: /* should work */
1153 case VariantSuper: /* experimental */
1154 case VariantGreat: /* experimental, requires legality testing to be off */
1155 case VariantSChess: /* S-Chess, should work */
1156 case VariantGrand: /* should work */
1157 case VariantSpartan: /* should work */
1165 NextIntegerFromString (char ** str, long * value)
1170 while( *s == ' ' || *s == '\t' ) {
1176 if( *s >= '0' && *s <= '9' ) {
1177 while( *s >= '0' && *s <= '9' ) {
1178 *value = *value * 10 + (*s - '0');
1191 NextTimeControlFromString (char ** str, long * value)
1194 int result = NextIntegerFromString( str, &temp );
1197 *value = temp * 60; /* Minutes */
1198 if( **str == ':' ) {
1200 result = NextIntegerFromString( str, &temp );
1201 *value += temp; /* Seconds */
1209 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1210 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1211 int result = -1, type = 0; long temp, temp2;
1213 if(**str != ':') return -1; // old params remain in force!
1215 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1216 if( NextIntegerFromString( str, &temp ) ) return -1;
1217 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1220 /* time only: incremental or sudden-death time control */
1221 if(**str == '+') { /* increment follows; read it */
1223 if(**str == '!') type = *(*str)++; // Bronstein TC
1224 if(result = NextIntegerFromString( str, &temp2)) return -1;
1225 *inc = temp2 * 1000;
1226 if(**str == '.') { // read fraction of increment
1227 char *start = ++(*str);
1228 if(result = NextIntegerFromString( str, &temp2)) return -1;
1230 while(start++ < *str) temp2 /= 10;
1234 *moves = 0; *tc = temp * 1000; *incType = type;
1238 (*str)++; /* classical time control */
1239 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1251 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1252 { /* [HGM] get time to add from the multi-session time-control string */
1253 int incType, moves=1; /* kludge to force reading of first session */
1254 long time, increment;
1257 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1259 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1260 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1261 if(movenr == -1) return time; /* last move before new session */
1262 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1263 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1264 if(!moves) return increment; /* current session is incremental */
1265 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1266 } while(movenr >= -1); /* try again for next session */
1268 return 0; // no new time quota on this move
1272 ParseTimeControl (char *tc, float ti, int mps)
1276 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1279 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1280 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1281 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1285 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1287 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1290 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1292 snprintf(buf, MSG_SIZ, ":%s", mytc);
1294 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1296 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1301 /* Parse second time control */
1304 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1312 timeControl_2 = tc2 * 1000;
1322 timeControl = tc1 * 1000;
1325 timeIncrement = ti * 1000; /* convert to ms */
1326 movesPerSession = 0;
1329 movesPerSession = mps;
1337 if (appData.debugMode) {
1338 fprintf(debugFP, "%s\n", programVersion);
1340 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1342 set_cont_sequence(appData.wrapContSeq);
1343 if (appData.matchGames > 0) {
1344 appData.matchMode = TRUE;
1345 } else if (appData.matchMode) {
1346 appData.matchGames = 1;
1348 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1349 appData.matchGames = appData.sameColorGames;
1350 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1351 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1352 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1355 if (appData.noChessProgram || first.protocolVersion == 1) {
1358 /* kludge: allow timeout for initial "feature" commands */
1360 DisplayMessage("", _("Starting chess program"));
1361 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1366 CalculateIndex (int index, int gameNr)
1367 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1369 if(index > 0) return index; // fixed nmber
1370 if(index == 0) return 1;
1371 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1372 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1377 LoadGameOrPosition (int gameNr)
1378 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1379 if (*appData.loadGameFile != NULLCHAR) {
1380 if (!LoadGameFromFile(appData.loadGameFile,
1381 CalculateIndex(appData.loadGameIndex, gameNr),
1382 appData.loadGameFile, FALSE)) {
1383 DisplayFatalError(_("Bad game file"), 0, 1);
1386 } else if (*appData.loadPositionFile != NULLCHAR) {
1387 if (!LoadPositionFromFile(appData.loadPositionFile,
1388 CalculateIndex(appData.loadPositionIndex, gameNr),
1389 appData.loadPositionFile)) {
1390 DisplayFatalError(_("Bad position file"), 0, 1);
1398 ReserveGame (int gameNr, char resChar)
1400 FILE *tf = fopen(appData.tourneyFile, "r+");
1401 char *p, *q, c, buf[MSG_SIZ];
1402 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1403 safeStrCpy(buf, lastMsg, MSG_SIZ);
1404 DisplayMessage(_("Pick new game"), "");
1405 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1406 ParseArgsFromFile(tf);
1407 p = q = appData.results;
1408 if(appData.debugMode) {
1409 char *r = appData.participants;
1410 fprintf(debugFP, "results = '%s'\n", p);
1411 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1412 fprintf(debugFP, "\n");
1414 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1416 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1417 safeStrCpy(q, p, strlen(p) + 2);
1418 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1419 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1420 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1421 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1424 fseek(tf, -(strlen(p)+4), SEEK_END);
1426 if(c != '"') // depending on DOS or Unix line endings we can be one off
1427 fseek(tf, -(strlen(p)+2), SEEK_END);
1428 else fseek(tf, -(strlen(p)+3), SEEK_END);
1429 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1430 DisplayMessage(buf, "");
1431 free(p); appData.results = q;
1432 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1433 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1434 int round = appData.defaultMatchGames * appData.tourneyType;
1435 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1436 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1437 UnloadEngine(&first); // next game belongs to other pairing;
1438 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1440 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1444 MatchEvent (int mode)
1445 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1447 if(matchMode) { // already in match mode: switch it off
1449 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1452 // if(gameMode != BeginningOfGame) {
1453 // DisplayError(_("You can only start a match from the initial position."), 0);
1457 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1458 /* Set up machine vs. machine match */
1460 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1461 if(appData.tourneyFile[0]) {
1463 if(nextGame > appData.matchGames) {
1465 if(strchr(appData.results, '*') == NULL) {
1467 appData.tourneyCycles++;
1468 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1470 NextTourneyGame(-1, &dummy);
1472 if(nextGame <= appData.matchGames) {
1473 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1475 ScheduleDelayedEvent(NextMatchGame, 10000);
1480 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1481 DisplayError(buf, 0);
1482 appData.tourneyFile[0] = 0;
1486 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1487 DisplayFatalError(_("Can't have a match with no chess programs"),
1492 matchGame = roundNr = 1;
1493 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1497 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1500 InitBackEnd3 P((void))
1502 GameMode initialMode;
1506 InitChessProgram(&first, startedFromSetupPosition);
1508 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1509 free(programVersion);
1510 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1511 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1512 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1515 if (appData.icsActive) {
1517 /* [DM] Make a console window if needed [HGM] merged ifs */
1523 if (*appData.icsCommPort != NULLCHAR)
1524 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1525 appData.icsCommPort);
1527 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1528 appData.icsHost, appData.icsPort);
1530 if( (len >= MSG_SIZ) && appData.debugMode )
1531 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1533 DisplayFatalError(buf, err, 1);
1538 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1540 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1541 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1542 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1543 } else if (appData.noChessProgram) {
1549 if (*appData.cmailGameName != NULLCHAR) {
1551 OpenLoopback(&cmailPR);
1553 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1557 DisplayMessage("", "");
1558 if (StrCaseCmp(appData.initialMode, "") == 0) {
1559 initialMode = BeginningOfGame;
1560 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1561 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1562 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1563 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1566 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1567 initialMode = TwoMachinesPlay;
1568 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1569 initialMode = AnalyzeFile;
1570 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1571 initialMode = AnalyzeMode;
1572 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1573 initialMode = MachinePlaysWhite;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1575 initialMode = MachinePlaysBlack;
1576 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1577 initialMode = EditGame;
1578 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1579 initialMode = EditPosition;
1580 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1581 initialMode = Training;
1583 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1584 if( (len >= MSG_SIZ) && appData.debugMode )
1585 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1587 DisplayFatalError(buf, 0, 2);
1591 if (appData.matchMode) {
1592 if(appData.tourneyFile[0]) { // start tourney from command line
1594 if(f = fopen(appData.tourneyFile, "r")) {
1595 ParseArgsFromFile(f); // make sure tourney parmeters re known
1597 appData.clockMode = TRUE;
1599 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1602 } else if (*appData.cmailGameName != NULLCHAR) {
1603 /* Set up cmail mode */
1604 ReloadCmailMsgEvent(TRUE);
1606 /* Set up other modes */
1607 if (initialMode == AnalyzeFile) {
1608 if (*appData.loadGameFile == NULLCHAR) {
1609 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1613 if (*appData.loadGameFile != NULLCHAR) {
1614 (void) LoadGameFromFile(appData.loadGameFile,
1615 appData.loadGameIndex,
1616 appData.loadGameFile, TRUE);
1617 } else if (*appData.loadPositionFile != NULLCHAR) {
1618 (void) LoadPositionFromFile(appData.loadPositionFile,
1619 appData.loadPositionIndex,
1620 appData.loadPositionFile);
1621 /* [HGM] try to make self-starting even after FEN load */
1622 /* to allow automatic setup of fairy variants with wtm */
1623 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1624 gameMode = BeginningOfGame;
1625 setboardSpoiledMachineBlack = 1;
1627 /* [HGM] loadPos: make that every new game uses the setup */
1628 /* from file as long as we do not switch variant */
1629 if(!blackPlaysFirst) {
1630 startedFromPositionFile = TRUE;
1631 CopyBoard(filePosition, boards[0]);
1634 if (initialMode == AnalyzeMode) {
1635 if (appData.noChessProgram) {
1636 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1639 if (appData.icsActive) {
1640 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1644 } else if (initialMode == AnalyzeFile) {
1645 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1646 ShowThinkingEvent();
1648 AnalysisPeriodicEvent(1);
1649 } else if (initialMode == MachinePlaysWhite) {
1650 if (appData.noChessProgram) {
1651 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1655 if (appData.icsActive) {
1656 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1660 MachineWhiteEvent();
1661 } else if (initialMode == MachinePlaysBlack) {
1662 if (appData.noChessProgram) {
1663 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1667 if (appData.icsActive) {
1668 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1672 MachineBlackEvent();
1673 } else if (initialMode == TwoMachinesPlay) {
1674 if (appData.noChessProgram) {
1675 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1679 if (appData.icsActive) {
1680 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1685 } else if (initialMode == EditGame) {
1687 } else if (initialMode == EditPosition) {
1688 EditPositionEvent();
1689 } else if (initialMode == Training) {
1690 if (*appData.loadGameFile == NULLCHAR) {
1691 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1700 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1702 DisplayBook(current+1);
1704 MoveHistorySet( movelist, first, last, current, pvInfoList );
1706 EvalGraphSet( first, last, current, pvInfoList );
1708 MakeEngineOutputTitle();
1712 * Establish will establish a contact to a remote host.port.
1713 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1714 * used to talk to the host.
1715 * Returns 0 if okay, error code if not.
1722 if (*appData.icsCommPort != NULLCHAR) {
1723 /* Talk to the host through a serial comm port */
1724 return OpenCommPort(appData.icsCommPort, &icsPR);
1726 } else if (*appData.gateway != NULLCHAR) {
1727 if (*appData.remoteShell == NULLCHAR) {
1728 /* Use the rcmd protocol to run telnet program on a gateway host */
1729 snprintf(buf, sizeof(buf), "%s %s %s",
1730 appData.telnetProgram, appData.icsHost, appData.icsPort);
1731 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1734 /* Use the rsh program to run telnet program on a gateway host */
1735 if (*appData.remoteUser == NULLCHAR) {
1736 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1737 appData.gateway, appData.telnetProgram,
1738 appData.icsHost, appData.icsPort);
1740 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1741 appData.remoteShell, appData.gateway,
1742 appData.remoteUser, appData.telnetProgram,
1743 appData.icsHost, appData.icsPort);
1745 return StartChildProcess(buf, "", &icsPR);
1748 } else if (appData.useTelnet) {
1749 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1752 /* TCP socket interface differs somewhat between
1753 Unix and NT; handle details in the front end.
1755 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1760 EscapeExpand (char *p, char *q)
1761 { // [HGM] initstring: routine to shape up string arguments
1762 while(*p++ = *q++) if(p[-1] == '\\')
1764 case 'n': p[-1] = '\n'; break;
1765 case 'r': p[-1] = '\r'; break;
1766 case 't': p[-1] = '\t'; break;
1767 case '\\': p[-1] = '\\'; break;
1768 case 0: *p = 0; return;
1769 default: p[-1] = q[-1]; break;
1774 show_bytes (FILE *fp, char *buf, int count)
1777 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1778 fprintf(fp, "\\%03o", *buf & 0xff);
1787 /* Returns an errno value */
1789 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1791 char buf[8192], *p, *q, *buflim;
1792 int left, newcount, outcount;
1794 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1795 *appData.gateway != NULLCHAR) {
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, message, count);
1799 fprintf(debugFP, "\n");
1801 return OutputToProcess(pr, message, count, outError);
1804 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1811 if (appData.debugMode) {
1812 fprintf(debugFP, ">ICS: ");
1813 show_bytes(debugFP, buf, newcount);
1814 fprintf(debugFP, "\n");
1816 outcount = OutputToProcess(pr, buf, newcount, outError);
1817 if (outcount < newcount) return -1; /* to be sure */
1824 } else if (((unsigned char) *p) == TN_IAC) {
1825 *q++ = (char) TN_IAC;
1832 if (appData.debugMode) {
1833 fprintf(debugFP, ">ICS: ");
1834 show_bytes(debugFP, buf, newcount);
1835 fprintf(debugFP, "\n");
1837 outcount = OutputToProcess(pr, buf, newcount, outError);
1838 if (outcount < newcount) return -1; /* to be sure */
1843 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1845 int outError, outCount;
1846 static int gotEof = 0;
1848 /* Pass data read from player on to ICS */
1851 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1852 if (outCount < count) {
1853 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1855 } else if (count < 0) {
1856 RemoveInputSource(isr);
1857 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1858 } else if (gotEof++ > 0) {
1859 RemoveInputSource(isr);
1860 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1866 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1867 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1868 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1869 SendToICS("date\n");
1870 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1873 /* added routine for printf style output to ics */
1875 ics_printf (char *format, ...)
1877 char buffer[MSG_SIZ];
1880 va_start(args, format);
1881 vsnprintf(buffer, sizeof(buffer), format, args);
1882 buffer[sizeof(buffer)-1] = '\0';
1890 int count, outCount, outError;
1892 if (icsPR == NoProc) return;
1895 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1896 if (outCount < count) {
1897 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1901 /* This is used for sending logon scripts to the ICS. Sending
1902 without a delay causes problems when using timestamp on ICC
1903 (at least on my machine). */
1905 SendToICSDelayed (char *s, long msdelay)
1907 int count, outCount, outError;
1909 if (icsPR == NoProc) return;
1912 if (appData.debugMode) {
1913 fprintf(debugFP, ">ICS: ");
1914 show_bytes(debugFP, s, count);
1915 fprintf(debugFP, "\n");
1917 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1919 if (outCount < count) {
1920 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1925 /* Remove all highlighting escape sequences in s
1926 Also deletes any suffix starting with '('
1929 StripHighlightAndTitle (char *s)
1931 static char retbuf[MSG_SIZ];
1934 while (*s != NULLCHAR) {
1935 while (*s == '\033') {
1936 while (*s != NULLCHAR && !isalpha(*s)) s++;
1937 if (*s != NULLCHAR) s++;
1939 while (*s != NULLCHAR && *s != '\033') {
1940 if (*s == '(' || *s == '[') {
1951 /* Remove all highlighting escape sequences in s */
1953 StripHighlight (char *s)
1955 static char retbuf[MSG_SIZ];
1958 while (*s != NULLCHAR) {
1959 while (*s == '\033') {
1960 while (*s != NULLCHAR && !isalpha(*s)) s++;
1961 if (*s != NULLCHAR) s++;
1963 while (*s != NULLCHAR && *s != '\033') {
1971 char *variantNames[] = VARIANT_NAMES;
1973 VariantName (VariantClass v)
1975 return variantNames[v];
1979 /* Identify a variant from the strings the chess servers use or the
1980 PGN Variant tag names we use. */
1982 StringToVariant (char *e)
1986 VariantClass v = VariantNormal;
1987 int i, found = FALSE;
1993 /* [HGM] skip over optional board-size prefixes */
1994 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1995 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1996 while( *e++ != '_');
1999 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2003 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2004 if (StrCaseStr(e, variantNames[i])) {
2005 v = (VariantClass) i;
2012 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2013 || StrCaseStr(e, "wild/fr")
2014 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2015 v = VariantFischeRandom;
2016 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2017 (i = 1, p = StrCaseStr(e, "w"))) {
2019 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2026 case 0: /* FICS only, actually */
2028 /* Castling legal even if K starts on d-file */
2029 v = VariantWildCastle;
2034 /* Castling illegal even if K & R happen to start in
2035 normal positions. */
2036 v = VariantNoCastle;
2049 /* Castling legal iff K & R start in normal positions */
2055 /* Special wilds for position setup; unclear what to do here */
2056 v = VariantLoadable;
2059 /* Bizarre ICC game */
2060 v = VariantTwoKings;
2063 v = VariantKriegspiel;
2069 v = VariantFischeRandom;
2072 v = VariantCrazyhouse;
2075 v = VariantBughouse;
2081 /* Not quite the same as FICS suicide! */
2082 v = VariantGiveaway;
2088 v = VariantShatranj;
2091 /* Temporary names for future ICC types. The name *will* change in
2092 the next xboard/WinBoard release after ICC defines it. */
2130 v = VariantCapablanca;
2133 v = VariantKnightmate;
2139 v = VariantCylinder;
2145 v = VariantCapaRandom;
2148 v = VariantBerolina;
2160 /* Found "wild" or "w" in the string but no number;
2161 must assume it's normal chess. */
2165 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2166 if( (len >= MSG_SIZ) && appData.debugMode )
2167 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2169 DisplayError(buf, 0);
2175 if (appData.debugMode) {
2176 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2177 e, wnum, VariantName(v));
2182 static int leftover_start = 0, leftover_len = 0;
2183 char star_match[STAR_MATCH_N][MSG_SIZ];
2185 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2186 advance *index beyond it, and set leftover_start to the new value of
2187 *index; else return FALSE. If pattern contains the character '*', it
2188 matches any sequence of characters not containing '\r', '\n', or the
2189 character following the '*' (if any), and the matched sequence(s) are
2190 copied into star_match.
2193 looking_at ( char *buf, int *index, char *pattern)
2195 char *bufp = &buf[*index], *patternp = pattern;
2197 char *matchp = star_match[0];
2200 if (*patternp == NULLCHAR) {
2201 *index = leftover_start = bufp - buf;
2205 if (*bufp == NULLCHAR) return FALSE;
2206 if (*patternp == '*') {
2207 if (*bufp == *(patternp + 1)) {
2209 matchp = star_match[++star_count];
2213 } else if (*bufp == '\n' || *bufp == '\r') {
2215 if (*patternp == NULLCHAR)
2220 *matchp++ = *bufp++;
2224 if (*patternp != *bufp) return FALSE;
2231 SendToPlayer (char *data, int length)
2233 int error, outCount;
2234 outCount = OutputToProcess(NoProc, data, length, &error);
2235 if (outCount < length) {
2236 DisplayFatalError(_("Error writing to display"), error, 1);
2241 PackHolding (char packed[], char *holding)
2251 switch (runlength) {
2262 sprintf(q, "%d", runlength);
2274 /* Telnet protocol requests from the front end */
2276 TelnetRequest (unsigned char ddww, unsigned char option)
2278 unsigned char msg[3];
2279 int outCount, outError;
2281 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2283 if (appData.debugMode) {
2284 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2300 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2309 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2312 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2317 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2319 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2326 if (!appData.icsActive) return;
2327 TelnetRequest(TN_DO, TN_ECHO);
2333 if (!appData.icsActive) return;
2334 TelnetRequest(TN_DONT, TN_ECHO);
2338 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2340 /* put the holdings sent to us by the server on the board holdings area */
2341 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2345 if(gameInfo.holdingsWidth < 2) return;
2346 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2347 return; // prevent overwriting by pre-board holdings
2349 if( (int)lowestPiece >= BlackPawn ) {
2352 holdingsStartRow = BOARD_HEIGHT-1;
2355 holdingsColumn = BOARD_WIDTH-1;
2356 countsColumn = BOARD_WIDTH-2;
2357 holdingsStartRow = 0;
2361 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2362 board[i][holdingsColumn] = EmptySquare;
2363 board[i][countsColumn] = (ChessSquare) 0;
2365 while( (p=*holdings++) != NULLCHAR ) {
2366 piece = CharToPiece( ToUpper(p) );
2367 if(piece == EmptySquare) continue;
2368 /*j = (int) piece - (int) WhitePawn;*/
2369 j = PieceToNumber(piece);
2370 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2371 if(j < 0) continue; /* should not happen */
2372 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2373 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2374 board[holdingsStartRow+j*direction][countsColumn]++;
2380 VariantSwitch (Board board, VariantClass newVariant)
2382 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2383 static Board oldBoard;
2385 startedFromPositionFile = FALSE;
2386 if(gameInfo.variant == newVariant) return;
2388 /* [HGM] This routine is called each time an assignment is made to
2389 * gameInfo.variant during a game, to make sure the board sizes
2390 * are set to match the new variant. If that means adding or deleting
2391 * holdings, we shift the playing board accordingly
2392 * This kludge is needed because in ICS observe mode, we get boards
2393 * of an ongoing game without knowing the variant, and learn about the
2394 * latter only later. This can be because of the move list we requested,
2395 * in which case the game history is refilled from the beginning anyway,
2396 * but also when receiving holdings of a crazyhouse game. In the latter
2397 * case we want to add those holdings to the already received position.
2401 if (appData.debugMode) {
2402 fprintf(debugFP, "Switch board from %s to %s\n",
2403 VariantName(gameInfo.variant), VariantName(newVariant));
2404 setbuf(debugFP, NULL);
2406 shuffleOpenings = 0; /* [HGM] shuffle */
2407 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2411 newWidth = 9; newHeight = 9;
2412 gameInfo.holdingsSize = 7;
2413 case VariantBughouse:
2414 case VariantCrazyhouse:
2415 newHoldingsWidth = 2; break;
2419 newHoldingsWidth = 2;
2420 gameInfo.holdingsSize = 8;
2423 case VariantCapablanca:
2424 case VariantCapaRandom:
2427 newHoldingsWidth = gameInfo.holdingsSize = 0;
2430 if(newWidth != gameInfo.boardWidth ||
2431 newHeight != gameInfo.boardHeight ||
2432 newHoldingsWidth != gameInfo.holdingsWidth ) {
2434 /* shift position to new playing area, if needed */
2435 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2440 for(i=0; i<newHeight; i++) {
2441 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2442 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2444 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2445 for(i=0; i<BOARD_HEIGHT; i++)
2446 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2447 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2450 board[HOLDINGS_SET] = 0;
2451 gameInfo.boardWidth = newWidth;
2452 gameInfo.boardHeight = newHeight;
2453 gameInfo.holdingsWidth = newHoldingsWidth;
2454 gameInfo.variant = newVariant;
2455 InitDrawingSizes(-2, 0);
2456 } else gameInfo.variant = newVariant;
2457 CopyBoard(oldBoard, board); // remember correctly formatted board
2458 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2459 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2462 static int loggedOn = FALSE;
2464 /*-- Game start info cache: --*/
2466 char gs_kind[MSG_SIZ];
2467 static char player1Name[128] = "";
2468 static char player2Name[128] = "";
2469 static char cont_seq[] = "\n\\ ";
2470 static int player1Rating = -1;
2471 static int player2Rating = -1;
2472 /*----------------------------*/
2474 ColorClass curColor = ColorNormal;
2475 int suppressKibitz = 0;
2478 Boolean soughtPending = FALSE;
2479 Boolean seekGraphUp;
2480 #define MAX_SEEK_ADS 200
2482 char *seekAdList[MAX_SEEK_ADS];
2483 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2484 float tcList[MAX_SEEK_ADS];
2485 char colorList[MAX_SEEK_ADS];
2486 int nrOfSeekAds = 0;
2487 int minRating = 1010, maxRating = 2800;
2488 int hMargin = 10, vMargin = 20, h, w;
2489 extern int squareSize, lineGap;
2494 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2495 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2496 if(r < minRating+100 && r >=0 ) r = minRating+100;
2497 if(r > maxRating) r = maxRating;
2498 if(tc < 1.f) tc = 1.f;
2499 if(tc > 95.f) tc = 95.f;
2500 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2501 y = ((double)r - minRating)/(maxRating - minRating)
2502 * (h-vMargin-squareSize/8-1) + vMargin;
2503 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2504 if(strstr(seekAdList[i], " u ")) color = 1;
2505 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2506 !strstr(seekAdList[i], "bullet") &&
2507 !strstr(seekAdList[i], "blitz") &&
2508 !strstr(seekAdList[i], "standard") ) color = 2;
2509 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2510 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2514 PlotSingleSeekAd (int i)
2522 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2524 char buf[MSG_SIZ], *ext = "";
2525 VariantClass v = StringToVariant(type);
2526 if(strstr(type, "wild")) {
2527 ext = type + 4; // append wild number
2528 if(v == VariantFischeRandom) type = "chess960"; else
2529 if(v == VariantLoadable) type = "setup"; else
2530 type = VariantName(v);
2532 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2533 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2534 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2535 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2536 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2537 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2538 seekNrList[nrOfSeekAds] = nr;
2539 zList[nrOfSeekAds] = 0;
2540 seekAdList[nrOfSeekAds++] = StrSave(buf);
2541 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2546 EraseSeekDot (int i)
2548 int x = xList[i], y = yList[i], d=squareSize/4, k;
2549 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2550 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2551 // now replot every dot that overlapped
2552 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2553 int xx = xList[k], yy = yList[k];
2554 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2555 DrawSeekDot(xx, yy, colorList[k]);
2560 RemoveSeekAd (int nr)
2563 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2565 if(seekAdList[i]) free(seekAdList[i]);
2566 seekAdList[i] = seekAdList[--nrOfSeekAds];
2567 seekNrList[i] = seekNrList[nrOfSeekAds];
2568 ratingList[i] = ratingList[nrOfSeekAds];
2569 colorList[i] = colorList[nrOfSeekAds];
2570 tcList[i] = tcList[nrOfSeekAds];
2571 xList[i] = xList[nrOfSeekAds];
2572 yList[i] = yList[nrOfSeekAds];
2573 zList[i] = zList[nrOfSeekAds];
2574 seekAdList[nrOfSeekAds] = NULL;
2580 MatchSoughtLine (char *line)
2582 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2583 int nr, base, inc, u=0; char dummy;
2585 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2586 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2588 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2589 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2590 // match: compact and save the line
2591 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2601 if(!seekGraphUp) return FALSE;
2602 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2603 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2606 DrawSeekBackground(0, 0, w, h);
2607 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2608 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2609 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2610 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2612 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2615 snprintf(buf, MSG_SIZ, "%d", i);
2616 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2619 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2620 for(i=1; i<100; i+=(i<10?1:5)) {
2621 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2622 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2623 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2625 snprintf(buf, MSG_SIZ, "%d", i);
2626 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2629 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2635 SeekGraphClick (ClickType click, int x, int y, int moving)
2637 static int lastDown = 0, displayed = 0, lastSecond;
2638 if(y < 0) return FALSE;
2639 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2640 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2641 if(!seekGraphUp) return FALSE;
2642 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2643 DrawPosition(TRUE, NULL);
2646 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2647 if(click == Release || moving) return FALSE;
2649 soughtPending = TRUE;
2650 SendToICS(ics_prefix);
2651 SendToICS("sought\n"); // should this be "sought all"?
2652 } else { // issue challenge based on clicked ad
2653 int dist = 10000; int i, closest = 0, second = 0;
2654 for(i=0; i<nrOfSeekAds; i++) {
2655 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2656 if(d < dist) { dist = d; closest = i; }
2657 second += (d - zList[i] < 120); // count in-range ads
2658 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2662 second = (second > 1);
2663 if(displayed != closest || second != lastSecond) {
2664 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2665 lastSecond = second; displayed = closest;
2667 if(click == Press) {
2668 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2671 } // on press 'hit', only show info
2672 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2673 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2674 SendToICS(ics_prefix);
2676 return TRUE; // let incoming board of started game pop down the graph
2677 } else if(click == Release) { // release 'miss' is ignored
2678 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2679 if(moving == 2) { // right up-click
2680 nrOfSeekAds = 0; // refresh graph
2681 soughtPending = TRUE;
2682 SendToICS(ics_prefix);
2683 SendToICS("sought\n"); // should this be "sought all"?
2686 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2687 // press miss or release hit 'pop down' seek graph
2688 seekGraphUp = FALSE;
2689 DrawPosition(TRUE, NULL);
2695 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2697 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2698 #define STARTED_NONE 0
2699 #define STARTED_MOVES 1
2700 #define STARTED_BOARD 2
2701 #define STARTED_OBSERVE 3
2702 #define STARTED_HOLDINGS 4
2703 #define STARTED_CHATTER 5
2704 #define STARTED_COMMENT 6
2705 #define STARTED_MOVES_NOHIDE 7
2707 static int started = STARTED_NONE;
2708 static char parse[20000];
2709 static int parse_pos = 0;
2710 static char buf[BUF_SIZE + 1];
2711 static int firstTime = TRUE, intfSet = FALSE;
2712 static ColorClass prevColor = ColorNormal;
2713 static int savingComment = FALSE;
2714 static int cmatch = 0; // continuation sequence match
2721 int backup; /* [DM] For zippy color lines */
2723 char talker[MSG_SIZ]; // [HGM] chat
2726 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2728 if (appData.debugMode) {
2730 fprintf(debugFP, "<ICS: ");
2731 show_bytes(debugFP, data, count);
2732 fprintf(debugFP, "\n");
2736 if (appData.debugMode) { int f = forwardMostMove;
2737 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2738 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2739 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2742 /* If last read ended with a partial line that we couldn't parse,
2743 prepend it to the new read and try again. */
2744 if (leftover_len > 0) {
2745 for (i=0; i<leftover_len; i++)
2746 buf[i] = buf[leftover_start + i];
2749 /* copy new characters into the buffer */
2750 bp = buf + leftover_len;
2751 buf_len=leftover_len;
2752 for (i=0; i<count; i++)
2755 if (data[i] == '\r')
2758 // join lines split by ICS?
2759 if (!appData.noJoin)
2762 Joining just consists of finding matches against the
2763 continuation sequence, and discarding that sequence
2764 if found instead of copying it. So, until a match
2765 fails, there's nothing to do since it might be the
2766 complete sequence, and thus, something we don't want
2769 if (data[i] == cont_seq[cmatch])
2772 if (cmatch == strlen(cont_seq))
2774 cmatch = 0; // complete match. just reset the counter
2777 it's possible for the ICS to not include the space
2778 at the end of the last word, making our [correct]
2779 join operation fuse two separate words. the server
2780 does this when the space occurs at the width setting.
2782 if (!buf_len || buf[buf_len-1] != ' ')
2793 match failed, so we have to copy what matched before
2794 falling through and copying this character. In reality,
2795 this will only ever be just the newline character, but
2796 it doesn't hurt to be precise.
2798 strncpy(bp, cont_seq, cmatch);
2810 buf[buf_len] = NULLCHAR;
2811 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2816 while (i < buf_len) {
2817 /* Deal with part of the TELNET option negotiation
2818 protocol. We refuse to do anything beyond the
2819 defaults, except that we allow the WILL ECHO option,
2820 which ICS uses to turn off password echoing when we are
2821 directly connected to it. We reject this option
2822 if localLineEditing mode is on (always on in xboard)
2823 and we are talking to port 23, which might be a real
2824 telnet server that will try to keep WILL ECHO on permanently.
2826 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2827 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2828 unsigned char option;
2830 switch ((unsigned char) buf[++i]) {
2832 if (appData.debugMode)
2833 fprintf(debugFP, "\n<WILL ");
2834 switch (option = (unsigned char) buf[++i]) {
2836 if (appData.debugMode)
2837 fprintf(debugFP, "ECHO ");
2838 /* Reply only if this is a change, according
2839 to the protocol rules. */
2840 if (remoteEchoOption) break;
2841 if (appData.localLineEditing &&
2842 atoi(appData.icsPort) == TN_PORT) {
2843 TelnetRequest(TN_DONT, TN_ECHO);
2846 TelnetRequest(TN_DO, TN_ECHO);
2847 remoteEchoOption = TRUE;
2851 if (appData.debugMode)
2852 fprintf(debugFP, "%d ", option);
2853 /* Whatever this is, we don't want it. */
2854 TelnetRequest(TN_DONT, option);
2859 if (appData.debugMode)
2860 fprintf(debugFP, "\n<WONT ");
2861 switch (option = (unsigned char) buf[++i]) {
2863 if (appData.debugMode)
2864 fprintf(debugFP, "ECHO ");
2865 /* Reply only if this is a change, according
2866 to the protocol rules. */
2867 if (!remoteEchoOption) break;
2869 TelnetRequest(TN_DONT, TN_ECHO);
2870 remoteEchoOption = FALSE;
2873 if (appData.debugMode)
2874 fprintf(debugFP, "%d ", (unsigned char) option);
2875 /* Whatever this is, it must already be turned
2876 off, because we never agree to turn on
2877 anything non-default, so according to the
2878 protocol rules, we don't reply. */
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DO ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 /* Whatever this is, we refuse to do it. */
2888 if (appData.debugMode)
2889 fprintf(debugFP, "%d ", option);
2890 TelnetRequest(TN_WONT, option);
2895 if (appData.debugMode)
2896 fprintf(debugFP, "\n<DONT ");
2897 switch (option = (unsigned char) buf[++i]) {
2899 if (appData.debugMode)
2900 fprintf(debugFP, "%d ", option);
2901 /* Whatever this is, we are already not doing
2902 it, because we never agree to do anything
2903 non-default, so according to the protocol
2904 rules, we don't reply. */
2909 if (appData.debugMode)
2910 fprintf(debugFP, "\n<IAC ");
2911 /* Doubled IAC; pass it through */
2915 if (appData.debugMode)
2916 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2917 /* Drop all other telnet commands on the floor */
2920 if (oldi > next_out)
2921 SendToPlayer(&buf[next_out], oldi - next_out);
2927 /* OK, this at least will *usually* work */
2928 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2932 if (loggedOn && !intfSet) {
2933 if (ics_type == ICS_ICC) {
2934 snprintf(str, MSG_SIZ,
2935 "/set-quietly interface %s\n/set-quietly style 12\n",
2937 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2938 strcat(str, "/set-2 51 1\n/set seek 1\n");
2939 } else if (ics_type == ICS_CHESSNET) {
2940 snprintf(str, MSG_SIZ, "/style 12\n");
2942 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2943 strcat(str, programVersion);
2944 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2945 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2946 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2948 strcat(str, "$iset nohighlight 1\n");
2950 strcat(str, "$iset lock 1\n$style 12\n");
2953 NotifyFrontendLogin();
2957 if (started == STARTED_COMMENT) {
2958 /* Accumulate characters in comment */
2959 parse[parse_pos++] = buf[i];
2960 if (buf[i] == '\n') {
2961 parse[parse_pos] = NULLCHAR;
2962 if(chattingPartner>=0) {
2964 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2965 OutputChatMessage(chattingPartner, mess);
2966 chattingPartner = -1;
2967 next_out = i+1; // [HGM] suppress printing in ICS window
2969 if(!suppressKibitz) // [HGM] kibitz
2970 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2971 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2972 int nrDigit = 0, nrAlph = 0, j;
2973 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2974 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2975 parse[parse_pos] = NULLCHAR;
2976 // try to be smart: if it does not look like search info, it should go to
2977 // ICS interaction window after all, not to engine-output window.
2978 for(j=0; j<parse_pos; j++) { // count letters and digits
2979 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2980 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2981 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2983 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2984 int depth=0; float score;
2985 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2986 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2987 pvInfoList[forwardMostMove-1].depth = depth;
2988 pvInfoList[forwardMostMove-1].score = 100*score;
2990 OutputKibitz(suppressKibitz, parse);
2993 if(gameMode == IcsObserving) // restore original ICS messages
2994 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2996 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2997 SendToPlayer(tmp, strlen(tmp));
2999 next_out = i+1; // [HGM] suppress printing in ICS window
3001 started = STARTED_NONE;
3003 /* Don't match patterns against characters in comment */
3008 if (started == STARTED_CHATTER) {
3009 if (buf[i] != '\n') {
3010 /* Don't match patterns against characters in chatter */
3014 started = STARTED_NONE;
3015 if(suppressKibitz) next_out = i+1;
3018 /* Kludge to deal with rcmd protocol */
3019 if (firstTime && looking_at(buf, &i, "\001*")) {
3020 DisplayFatalError(&buf[1], 0, 1);
3026 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3029 if (appData.debugMode)
3030 fprintf(debugFP, "ics_type %d\n", ics_type);
3033 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3034 ics_type = ICS_FICS;
3036 if (appData.debugMode)
3037 fprintf(debugFP, "ics_type %d\n", ics_type);
3040 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3041 ics_type = ICS_CHESSNET;
3043 if (appData.debugMode)
3044 fprintf(debugFP, "ics_type %d\n", ics_type);
3049 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3050 looking_at(buf, &i, "Logging you in as \"*\"") ||
3051 looking_at(buf, &i, "will be \"*\""))) {
3052 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3056 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3058 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3059 DisplayIcsInteractionTitle(buf);
3060 have_set_title = TRUE;
3063 /* skip finger notes */
3064 if (started == STARTED_NONE &&
3065 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3066 (buf[i] == '1' && buf[i+1] == '0')) &&
3067 buf[i+2] == ':' && buf[i+3] == ' ') {
3068 started = STARTED_CHATTER;
3074 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3075 if(appData.seekGraph) {
3076 if(soughtPending && MatchSoughtLine(buf+i)) {
3077 i = strstr(buf+i, "rated") - buf;
3078 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3079 next_out = leftover_start = i;
3080 started = STARTED_CHATTER;
3081 suppressKibitz = TRUE;
3084 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3085 && looking_at(buf, &i, "* ads displayed")) {
3086 soughtPending = FALSE;
3091 if(appData.autoRefresh) {
3092 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3093 int s = (ics_type == ICS_ICC); // ICC format differs
3095 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3096 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3099 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3100 next_out = i; // suppress
3103 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3104 char *p = star_match[0];
3106 if(seekGraphUp) RemoveSeekAd(atoi(p));
3107 while(*p && *p++ != ' '); // next
3109 looking_at(buf, &i, "*% "); // eat prompt
3110 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3117 /* skip formula vars */
3118 if (started == STARTED_NONE &&
3119 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3120 started = STARTED_CHATTER;
3125 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3126 if (appData.autoKibitz && started == STARTED_NONE &&
3127 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3128 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3129 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3130 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3131 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3132 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3133 suppressKibitz = TRUE;
3134 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3136 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3137 && (gameMode == IcsPlayingWhite)) ||
3138 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3139 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3140 started = STARTED_CHATTER; // own kibitz we simply discard
3142 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3143 parse_pos = 0; parse[0] = NULLCHAR;
3144 savingComment = TRUE;
3145 suppressKibitz = gameMode != IcsObserving ? 2 :
3146 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3150 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3151 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3152 && atoi(star_match[0])) {
3153 // suppress the acknowledgements of our own autoKibitz
3155 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3156 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3157 SendToPlayer(star_match[0], strlen(star_match[0]));
3158 if(looking_at(buf, &i, "*% ")) // eat prompt
3159 suppressKibitz = FALSE;
3163 } // [HGM] kibitz: end of patch
3165 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3167 // [HGM] chat: intercept tells by users for which we have an open chat window
3169 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3170 looking_at(buf, &i, "* whispers:") ||
3171 looking_at(buf, &i, "* kibitzes:") ||
3172 looking_at(buf, &i, "* shouts:") ||
3173 looking_at(buf, &i, "* c-shouts:") ||
3174 looking_at(buf, &i, "--> * ") ||
3175 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3176 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3177 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3178 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3180 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3181 chattingPartner = -1;
3183 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3184 for(p=0; p<MAX_CHAT; p++) {
3185 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3186 talker[0] = '['; strcat(talker, "] ");
3187 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3188 chattingPartner = p; break;
3191 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3192 for(p=0; p<MAX_CHAT; p++) {
3193 if(!strcmp("kibitzes", chatPartner[p])) {
3194 talker[0] = '['; strcat(talker, "] ");
3195 chattingPartner = p; break;
3198 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3199 for(p=0; p<MAX_CHAT; p++) {
3200 if(!strcmp("whispers", chatPartner[p])) {
3201 talker[0] = '['; strcat(talker, "] ");
3202 chattingPartner = p; break;
3205 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3206 if(buf[i-8] == '-' && buf[i-3] == 't')
3207 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3208 if(!strcmp("c-shouts", chatPartner[p])) {
3209 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3210 chattingPartner = p; break;
3213 if(chattingPartner < 0)
3214 for(p=0; p<MAX_CHAT; p++) {
3215 if(!strcmp("shouts", chatPartner[p])) {
3216 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3217 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3218 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3219 chattingPartner = p; break;
3223 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3224 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3225 talker[0] = 0; Colorize(ColorTell, FALSE);
3226 chattingPartner = p; break;
3228 if(chattingPartner<0) i = oldi; else {
3229 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3230 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3231 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3232 started = STARTED_COMMENT;
3233 parse_pos = 0; parse[0] = NULLCHAR;
3234 savingComment = 3 + chattingPartner; // counts as TRUE
3235 suppressKibitz = TRUE;
3238 } // [HGM] chat: end of patch
3241 if (appData.zippyTalk || appData.zippyPlay) {
3242 /* [DM] Backup address for color zippy lines */
3244 if (loggedOn == TRUE)
3245 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3246 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3248 } // [DM] 'else { ' deleted
3250 /* Regular tells and says */
3251 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3252 looking_at(buf, &i, "* (your partner) tells you: ") ||
3253 looking_at(buf, &i, "* says: ") ||
3254 /* Don't color "message" or "messages" output */
3255 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3256 looking_at(buf, &i, "*. * at *:*: ") ||
3257 looking_at(buf, &i, "--* (*:*): ") ||
3258 /* Message notifications (same color as tells) */
3259 looking_at(buf, &i, "* has left a message ") ||
3260 looking_at(buf, &i, "* just sent you a message:\n") ||
3261 /* Whispers and kibitzes */
3262 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3263 looking_at(buf, &i, "* kibitzes: ") ||
3265 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3267 if (tkind == 1 && strchr(star_match[0], ':')) {
3268 /* Avoid "tells you:" spoofs in channels */
3271 if (star_match[0][0] == NULLCHAR ||
3272 strchr(star_match[0], ' ') ||
3273 (tkind == 3 && strchr(star_match[1], ' '))) {
3274 /* Reject bogus matches */
3277 if (appData.colorize) {
3278 if (oldi > next_out) {
3279 SendToPlayer(&buf[next_out], oldi - next_out);
3284 Colorize(ColorTell, FALSE);
3285 curColor = ColorTell;
3288 Colorize(ColorKibitz, FALSE);
3289 curColor = ColorKibitz;
3292 p = strrchr(star_match[1], '(');
3299 Colorize(ColorChannel1, FALSE);
3300 curColor = ColorChannel1;
3302 Colorize(ColorChannel, FALSE);
3303 curColor = ColorChannel;
3307 curColor = ColorNormal;
3311 if (started == STARTED_NONE && appData.autoComment &&
3312 (gameMode == IcsObserving ||
3313 gameMode == IcsPlayingWhite ||
3314 gameMode == IcsPlayingBlack)) {
3315 parse_pos = i - oldi;
3316 memcpy(parse, &buf[oldi], parse_pos);
3317 parse[parse_pos] = NULLCHAR;
3318 started = STARTED_COMMENT;
3319 savingComment = TRUE;
3321 started = STARTED_CHATTER;
3322 savingComment = FALSE;
3329 if (looking_at(buf, &i, "* s-shouts: ") ||
3330 looking_at(buf, &i, "* c-shouts: ")) {
3331 if (appData.colorize) {
3332 if (oldi > next_out) {
3333 SendToPlayer(&buf[next_out], oldi - next_out);
3336 Colorize(ColorSShout, FALSE);
3337 curColor = ColorSShout;
3340 started = STARTED_CHATTER;
3344 if (looking_at(buf, &i, "--->")) {
3349 if (looking_at(buf, &i, "* shouts: ") ||
3350 looking_at(buf, &i, "--> ")) {
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3356 Colorize(ColorShout, FALSE);
3357 curColor = ColorShout;
3360 started = STARTED_CHATTER;
3364 if (looking_at( buf, &i, "Challenge:")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorChallenge, FALSE);
3371 curColor = ColorChallenge;
3377 if (looking_at(buf, &i, "* offers you") ||
3378 looking_at(buf, &i, "* offers to be") ||
3379 looking_at(buf, &i, "* would like to") ||
3380 looking_at(buf, &i, "* requests to") ||
3381 looking_at(buf, &i, "Your opponent offers") ||
3382 looking_at(buf, &i, "Your opponent requests")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorRequest, FALSE);
3390 curColor = ColorRequest;
3395 if (looking_at(buf, &i, "* (*) seeking")) {
3396 if (appData.colorize) {
3397 if (oldi > next_out) {
3398 SendToPlayer(&buf[next_out], oldi - next_out);
3401 Colorize(ColorSeek, FALSE);
3402 curColor = ColorSeek;
3407 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3409 if (looking_at(buf, &i, "\\ ")) {
3410 if (prevColor != ColorNormal) {
3411 if (oldi > next_out) {
3412 SendToPlayer(&buf[next_out], oldi - next_out);
3415 Colorize(prevColor, TRUE);
3416 curColor = prevColor;
3418 if (savingComment) {
3419 parse_pos = i - oldi;
3420 memcpy(parse, &buf[oldi], parse_pos);
3421 parse[parse_pos] = NULLCHAR;
3422 started = STARTED_COMMENT;
3423 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3424 chattingPartner = savingComment - 3; // kludge to remember the box
3426 started = STARTED_CHATTER;
3431 if (looking_at(buf, &i, "Black Strength :") ||
3432 looking_at(buf, &i, "<<< style 10 board >>>") ||
3433 looking_at(buf, &i, "<10>") ||
3434 looking_at(buf, &i, "#@#")) {
3435 /* Wrong board style */
3437 SendToICS(ics_prefix);
3438 SendToICS("set style 12\n");
3439 SendToICS(ics_prefix);
3440 SendToICS("refresh\n");
3444 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3446 have_sent_ICS_logon = 1;
3450 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3451 (looking_at(buf, &i, "\n<12> ") ||
3452 looking_at(buf, &i, "<12> "))) {
3454 if (oldi > next_out) {
3455 SendToPlayer(&buf[next_out], oldi - next_out);
3458 started = STARTED_BOARD;
3463 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3464 looking_at(buf, &i, "<b1> ")) {
3465 if (oldi > next_out) {
3466 SendToPlayer(&buf[next_out], oldi - next_out);
3469 started = STARTED_HOLDINGS;
3474 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3476 /* Header for a move list -- first line */
3478 switch (ics_getting_history) {
3482 case BeginningOfGame:
3483 /* User typed "moves" or "oldmoves" while we
3484 were idle. Pretend we asked for these
3485 moves and soak them up so user can step
3486 through them and/or save them.
3489 gameMode = IcsObserving;
3492 ics_getting_history = H_GOT_UNREQ_HEADER;
3494 case EditGame: /*?*/
3495 case EditPosition: /*?*/
3496 /* Should above feature work in these modes too? */
3497 /* For now it doesn't */
3498 ics_getting_history = H_GOT_UNWANTED_HEADER;
3501 ics_getting_history = H_GOT_UNWANTED_HEADER;
3506 /* Is this the right one? */
3507 if (gameInfo.white && gameInfo.black &&
3508 strcmp(gameInfo.white, star_match[0]) == 0 &&
3509 strcmp(gameInfo.black, star_match[2]) == 0) {
3511 ics_getting_history = H_GOT_REQ_HEADER;
3514 case H_GOT_REQ_HEADER:
3515 case H_GOT_UNREQ_HEADER:
3516 case H_GOT_UNWANTED_HEADER:
3517 case H_GETTING_MOVES:
3518 /* Should not happen */
3519 DisplayError(_("Error gathering move list: two headers"), 0);
3520 ics_getting_history = H_FALSE;
3524 /* Save player ratings into gameInfo if needed */
3525 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3526 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3527 (gameInfo.whiteRating == -1 ||
3528 gameInfo.blackRating == -1)) {
3530 gameInfo.whiteRating = string_to_rating(star_match[1]);
3531 gameInfo.blackRating = string_to_rating(star_match[3]);
3532 if (appData.debugMode)
3533 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3534 gameInfo.whiteRating, gameInfo.blackRating);
3539 if (looking_at(buf, &i,
3540 "* * match, initial time: * minute*, increment: * second")) {
3541 /* Header for a move list -- second line */
3542 /* Initial board will follow if this is a wild game */
3543 if (gameInfo.event != NULL) free(gameInfo.event);
3544 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3545 gameInfo.event = StrSave(str);
3546 /* [HGM] we switched variant. Translate boards if needed. */
3547 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3551 if (looking_at(buf, &i, "Move ")) {
3552 /* Beginning of a move list */
3553 switch (ics_getting_history) {
3555 /* Normally should not happen */
3556 /* Maybe user hit reset while we were parsing */
3559 /* Happens if we are ignoring a move list that is not
3560 * the one we just requested. Common if the user
3561 * tries to observe two games without turning off
3564 case H_GETTING_MOVES:
3565 /* Should not happen */
3566 DisplayError(_("Error gathering move list: nested"), 0);
3567 ics_getting_history = H_FALSE;
3569 case H_GOT_REQ_HEADER:
3570 ics_getting_history = H_GETTING_MOVES;
3571 started = STARTED_MOVES;
3573 if (oldi > next_out) {
3574 SendToPlayer(&buf[next_out], oldi - next_out);
3577 case H_GOT_UNREQ_HEADER:
3578 ics_getting_history = H_GETTING_MOVES;
3579 started = STARTED_MOVES_NOHIDE;
3582 case H_GOT_UNWANTED_HEADER:
3583 ics_getting_history = H_FALSE;
3589 if (looking_at(buf, &i, "% ") ||
3590 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3591 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3592 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3593 soughtPending = FALSE;
3597 if(suppressKibitz) next_out = i;
3598 savingComment = FALSE;
3602 case STARTED_MOVES_NOHIDE:
3603 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3604 parse[parse_pos + i - oldi] = NULLCHAR;
3605 ParseGameHistory(parse);
3607 if (appData.zippyPlay && first.initDone) {
3608 FeedMovesToProgram(&first, forwardMostMove);
3609 if (gameMode == IcsPlayingWhite) {
3610 if (WhiteOnMove(forwardMostMove)) {
3611 if (first.sendTime) {
3612 if (first.useColors) {
3613 SendToProgram("black\n", &first);
3615 SendTimeRemaining(&first, TRUE);
3617 if (first.useColors) {
3618 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3620 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3621 first.maybeThinking = TRUE;
3623 if (first.usePlayother) {
3624 if (first.sendTime) {
3625 SendTimeRemaining(&first, TRUE);
3627 SendToProgram("playother\n", &first);
3633 } else if (gameMode == IcsPlayingBlack) {
3634 if (!WhiteOnMove(forwardMostMove)) {
3635 if (first.sendTime) {
3636 if (first.useColors) {
3637 SendToProgram("white\n", &first);
3639 SendTimeRemaining(&first, FALSE);
3641 if (first.useColors) {
3642 SendToProgram("black\n", &first);
3644 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3645 first.maybeThinking = TRUE;
3647 if (first.usePlayother) {
3648 if (first.sendTime) {
3649 SendTimeRemaining(&first, FALSE);
3651 SendToProgram("playother\n", &first);
3660 if (gameMode == IcsObserving && ics_gamenum == -1) {
3661 /* Moves came from oldmoves or moves command
3662 while we weren't doing anything else.
3664 currentMove = forwardMostMove;
3665 ClearHighlights();/*!!could figure this out*/
3666 flipView = appData.flipView;
3667 DrawPosition(TRUE, boards[currentMove]);
3668 DisplayBothClocks();
3669 snprintf(str, MSG_SIZ, "%s %s %s",
3670 gameInfo.white, _("vs."), gameInfo.black);
3674 /* Moves were history of an active game */
3675 if (gameInfo.resultDetails != NULL) {
3676 free(gameInfo.resultDetails);
3677 gameInfo.resultDetails = NULL;
3680 HistorySet(parseList, backwardMostMove,
3681 forwardMostMove, currentMove-1);
3682 DisplayMove(currentMove - 1);
3683 if (started == STARTED_MOVES) next_out = i;
3684 started = STARTED_NONE;
3685 ics_getting_history = H_FALSE;
3688 case STARTED_OBSERVE:
3689 started = STARTED_NONE;
3690 SendToICS(ics_prefix);
3691 SendToICS("refresh\n");
3697 if(bookHit) { // [HGM] book: simulate book reply
3698 static char bookMove[MSG_SIZ]; // a bit generous?
3700 programStats.nodes = programStats.depth = programStats.time =
3701 programStats.score = programStats.got_only_move = 0;
3702 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3704 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3705 strcat(bookMove, bookHit);
3706 HandleMachineMove(bookMove, &first);
3711 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3712 started == STARTED_HOLDINGS ||
3713 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3714 /* Accumulate characters in move list or board */
3715 parse[parse_pos++] = buf[i];
3718 /* Start of game messages. Mostly we detect start of game
3719 when the first board image arrives. On some versions
3720 of the ICS, though, we need to do a "refresh" after starting
3721 to observe in order to get the current board right away. */
3722 if (looking_at(buf, &i, "Adding game * to observation list")) {
3723 started = STARTED_OBSERVE;
3727 /* Handle auto-observe */
3728 if (appData.autoObserve &&
3729 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3730 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3732 /* Choose the player that was highlighted, if any. */
3733 if (star_match[0][0] == '\033' ||
3734 star_match[1][0] != '\033') {
3735 player = star_match[0];
3737 player = star_match[2];
3739 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3740 ics_prefix, StripHighlightAndTitle(player));
3743 /* Save ratings from notify string */
3744 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3745 player1Rating = string_to_rating(star_match[1]);
3746 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3747 player2Rating = string_to_rating(star_match[3]);
3749 if (appData.debugMode)
3751 "Ratings from 'Game notification:' %s %d, %s %d\n",
3752 player1Name, player1Rating,
3753 player2Name, player2Rating);
3758 /* Deal with automatic examine mode after a game,
3759 and with IcsObserving -> IcsExamining transition */
3760 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3761 looking_at(buf, &i, "has made you an examiner of game *")) {
3763 int gamenum = atoi(star_match[0]);
3764 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3765 gamenum == ics_gamenum) {
3766 /* We were already playing or observing this game;
3767 no need to refetch history */
3768 gameMode = IcsExamining;
3770 pauseExamForwardMostMove = forwardMostMove;
3771 } else if (currentMove < forwardMostMove) {
3772 ForwardInner(forwardMostMove);
3775 /* I don't think this case really can happen */
3776 SendToICS(ics_prefix);
3777 SendToICS("refresh\n");
3782 /* Error messages */
3783 // if (ics_user_moved) {
3784 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3785 if (looking_at(buf, &i, "Illegal move") ||
3786 looking_at(buf, &i, "Not a legal move") ||
3787 looking_at(buf, &i, "Your king is in check") ||
3788 looking_at(buf, &i, "It isn't your turn") ||
3789 looking_at(buf, &i, "It is not your move")) {
3791 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3792 currentMove = forwardMostMove-1;
3793 DisplayMove(currentMove - 1); /* before DMError */
3794 DrawPosition(FALSE, boards[currentMove]);
3795 SwitchClocks(forwardMostMove-1); // [HGM] race
3796 DisplayBothClocks();
3798 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3804 if (looking_at(buf, &i, "still have time") ||
3805 looking_at(buf, &i, "not out of time") ||
3806 looking_at(buf, &i, "either player is out of time") ||
3807 looking_at(buf, &i, "has timeseal; checking")) {
3808 /* We must have called his flag a little too soon */
3809 whiteFlag = blackFlag = FALSE;
3813 if (looking_at(buf, &i, "added * seconds to") ||
3814 looking_at(buf, &i, "seconds were added to")) {
3815 /* Update the clocks */
3816 SendToICS(ics_prefix);
3817 SendToICS("refresh\n");
3821 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3822 ics_clock_paused = TRUE;
3827 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3828 ics_clock_paused = FALSE;
3833 /* Grab player ratings from the Creating: message.
3834 Note we have to check for the special case when
3835 the ICS inserts things like [white] or [black]. */
3836 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3837 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3839 0 player 1 name (not necessarily white)
3841 2 empty, white, or black (IGNORED)
3842 3 player 2 name (not necessarily black)
3845 The names/ratings are sorted out when the game
3846 actually starts (below).
3848 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3849 player1Rating = string_to_rating(star_match[1]);
3850 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3851 player2Rating = string_to_rating(star_match[4]);
3853 if (appData.debugMode)
3855 "Ratings from 'Creating:' %s %d, %s %d\n",
3856 player1Name, player1Rating,
3857 player2Name, player2Rating);
3862 /* Improved generic start/end-of-game messages */
3863 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3864 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3865 /* If tkind == 0: */
3866 /* star_match[0] is the game number */
3867 /* [1] is the white player's name */
3868 /* [2] is the black player's name */
3869 /* For end-of-game: */
3870 /* [3] is the reason for the game end */
3871 /* [4] is a PGN end game-token, preceded by " " */
3872 /* For start-of-game: */
3873 /* [3] begins with "Creating" or "Continuing" */
3874 /* [4] is " *" or empty (don't care). */
3875 int gamenum = atoi(star_match[0]);
3876 char *whitename, *blackname, *why, *endtoken;
3877 ChessMove endtype = EndOfFile;
3880 whitename = star_match[1];
3881 blackname = star_match[2];
3882 why = star_match[3];
3883 endtoken = star_match[4];
3885 whitename = star_match[1];
3886 blackname = star_match[3];
3887 why = star_match[5];
3888 endtoken = star_match[6];
3891 /* Game start messages */
3892 if (strncmp(why, "Creating ", 9) == 0 ||
3893 strncmp(why, "Continuing ", 11) == 0) {
3894 gs_gamenum = gamenum;
3895 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3896 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3897 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3899 if (appData.zippyPlay) {
3900 ZippyGameStart(whitename, blackname);
3903 partnerBoardValid = FALSE; // [HGM] bughouse
3907 /* Game end messages */
3908 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3909 ics_gamenum != gamenum) {
3912 while (endtoken[0] == ' ') endtoken++;
3913 switch (endtoken[0]) {
3916 endtype = GameUnfinished;
3919 endtype = BlackWins;
3922 if (endtoken[1] == '/')
3923 endtype = GameIsDrawn;
3925 endtype = WhiteWins;
3928 GameEnds(endtype, why, GE_ICS);
3930 if (appData.zippyPlay && first.initDone) {
3931 ZippyGameEnd(endtype, why);
3932 if (first.pr == NoProc) {
3933 /* Start the next process early so that we'll
3934 be ready for the next challenge */
3935 StartChessProgram(&first);
3937 /* Send "new" early, in case this command takes
3938 a long time to finish, so that we'll be ready
3939 for the next challenge. */
3940 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3944 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3948 if (looking_at(buf, &i, "Removing game * from observation") ||
3949 looking_at(buf, &i, "no longer observing game *") ||
3950 looking_at(buf, &i, "Game * (*) has no examiners")) {
3951 if (gameMode == IcsObserving &&
3952 atoi(star_match[0]) == ics_gamenum)
3954 /* icsEngineAnalyze */
3955 if (appData.icsEngineAnalyze) {
3962 ics_user_moved = FALSE;
3967 if (looking_at(buf, &i, "no longer examining game *")) {
3968 if (gameMode == IcsExamining &&
3969 atoi(star_match[0]) == ics_gamenum)
3973 ics_user_moved = FALSE;
3978 /* Advance leftover_start past any newlines we find,
3979 so only partial lines can get reparsed */
3980 if (looking_at(buf, &i, "\n")) {
3981 prevColor = curColor;
3982 if (curColor != ColorNormal) {
3983 if (oldi > next_out) {
3984 SendToPlayer(&buf[next_out], oldi - next_out);
3987 Colorize(ColorNormal, FALSE);
3988 curColor = ColorNormal;
3990 if (started == STARTED_BOARD) {
3991 started = STARTED_NONE;
3992 parse[parse_pos] = NULLCHAR;
3993 ParseBoard12(parse);
3996 /* Send premove here */
3997 if (appData.premove) {
3999 if (currentMove == 0 &&
4000 gameMode == IcsPlayingWhite &&
4001 appData.premoveWhite) {
4002 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4003 if (appData.debugMode)
4004 fprintf(debugFP, "Sending premove:\n");
4006 } else if (currentMove == 1 &&
4007 gameMode == IcsPlayingBlack &&
4008 appData.premoveBlack) {
4009 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4010 if (appData.debugMode)
4011 fprintf(debugFP, "Sending premove:\n");
4013 } else if (gotPremove) {
4015 ClearPremoveHighlights();
4016 if (appData.debugMode)
4017 fprintf(debugFP, "Sending premove:\n");
4018 UserMoveEvent(premoveFromX, premoveFromY,
4019 premoveToX, premoveToY,
4024 /* Usually suppress following prompt */
4025 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4026 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4027 if (looking_at(buf, &i, "*% ")) {
4028 savingComment = FALSE;
4033 } else if (started == STARTED_HOLDINGS) {
4035 char new_piece[MSG_SIZ];
4036 started = STARTED_NONE;
4037 parse[parse_pos] = NULLCHAR;
4038 if (appData.debugMode)
4039 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4040 parse, currentMove);
4041 if (sscanf(parse, " game %d", &gamenum) == 1) {
4042 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4043 if (gameInfo.variant == VariantNormal) {
4044 /* [HGM] We seem to switch variant during a game!
4045 * Presumably no holdings were displayed, so we have
4046 * to move the position two files to the right to
4047 * create room for them!
4049 VariantClass newVariant;
4050 switch(gameInfo.boardWidth) { // base guess on board width
4051 case 9: newVariant = VariantShogi; break;
4052 case 10: newVariant = VariantGreat; break;
4053 default: newVariant = VariantCrazyhouse; break;
4055 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4056 /* Get a move list just to see the header, which
4057 will tell us whether this is really bug or zh */
4058 if (ics_getting_history == H_FALSE) {
4059 ics_getting_history = H_REQUESTED;
4060 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4064 new_piece[0] = NULLCHAR;
4065 sscanf(parse, "game %d white [%s black [%s <- %s",
4066 &gamenum, white_holding, black_holding,
4068 white_holding[strlen(white_holding)-1] = NULLCHAR;
4069 black_holding[strlen(black_holding)-1] = NULLCHAR;
4070 /* [HGM] copy holdings to board holdings area */
4071 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4072 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4073 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4075 if (appData.zippyPlay && first.initDone) {
4076 ZippyHoldings(white_holding, black_holding,
4080 if (tinyLayout || smallLayout) {
4081 char wh[16], bh[16];
4082 PackHolding(wh, white_holding);
4083 PackHolding(bh, black_holding);
4084 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4085 gameInfo.white, gameInfo.black);
4087 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4088 gameInfo.white, white_holding, _("vs."),
4089 gameInfo.black, black_holding);
4091 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4092 DrawPosition(FALSE, boards[currentMove]);
4094 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4095 sscanf(parse, "game %d white [%s black [%s <- %s",
4096 &gamenum, white_holding, black_holding,
4098 white_holding[strlen(white_holding)-1] = NULLCHAR;
4099 black_holding[strlen(black_holding)-1] = NULLCHAR;
4100 /* [HGM] copy holdings to partner-board holdings area */
4101 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4102 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4103 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4104 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4105 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4108 /* Suppress following prompt */
4109 if (looking_at(buf, &i, "*% ")) {
4110 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4111 savingComment = FALSE;
4119 i++; /* skip unparsed character and loop back */
4122 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4123 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4124 // SendToPlayer(&buf[next_out], i - next_out);
4125 started != STARTED_HOLDINGS && leftover_start > next_out) {
4126 SendToPlayer(&buf[next_out], leftover_start - next_out);
4130 leftover_len = buf_len - leftover_start;
4131 /* if buffer ends with something we couldn't parse,
4132 reparse it after appending the next read */
4134 } else if (count == 0) {
4135 RemoveInputSource(isr);
4136 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4138 DisplayFatalError(_("Error reading from ICS"), error, 1);
4143 /* Board style 12 looks like this:
4145 <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
4147 * The "<12> " is stripped before it gets to this routine. The two
4148 * trailing 0's (flip state and clock ticking) are later addition, and
4149 * some chess servers may not have them, or may have only the first.
4150 * Additional trailing fields may be added in the future.
4153 #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"
4155 #define RELATION_OBSERVING_PLAYED 0
4156 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4157 #define RELATION_PLAYING_MYMOVE 1
4158 #define RELATION_PLAYING_NOTMYMOVE -1
4159 #define RELATION_EXAMINING 2
4160 #define RELATION_ISOLATED_BOARD -3
4161 #define RELATION_STARTING_POSITION -4 /* FICS only */
4164 ParseBoard12 (char *string)
4166 GameMode newGameMode;
4167 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4168 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4169 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4170 char to_play, board_chars[200];
4171 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4172 char black[32], white[32];
4174 int prevMove = currentMove;
4177 int fromX, fromY, toX, toY;
4179 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4180 char *bookHit = NULL; // [HGM] book
4181 Boolean weird = FALSE, reqFlag = FALSE;
4183 fromX = fromY = toX = toY = -1;
4187 if (appData.debugMode)
4188 fprintf(debugFP, _("Parsing board: %s\n"), string);
4190 move_str[0] = NULLCHAR;
4191 elapsed_time[0] = NULLCHAR;
4192 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4194 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4195 if(string[i] == ' ') { ranks++; files = 0; }
4197 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4200 for(j = 0; j <i; j++) board_chars[j] = string[j];
4201 board_chars[i] = '\0';
4204 n = sscanf(string, PATTERN, &to_play, &double_push,
4205 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4206 &gamenum, white, black, &relation, &basetime, &increment,
4207 &white_stren, &black_stren, &white_time, &black_time,
4208 &moveNum, str, elapsed_time, move_str, &ics_flip,
4212 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4213 DisplayError(str, 0);
4217 /* Convert the move number to internal form */
4218 moveNum = (moveNum - 1) * 2;
4219 if (to_play == 'B') moveNum++;
4220 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4221 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4227 case RELATION_OBSERVING_PLAYED:
4228 case RELATION_OBSERVING_STATIC:
4229 if (gamenum == -1) {
4230 /* Old ICC buglet */
4231 relation = RELATION_OBSERVING_STATIC;
4233 newGameMode = IcsObserving;
4235 case RELATION_PLAYING_MYMOVE:
4236 case RELATION_PLAYING_NOTMYMOVE:
4238 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4239 IcsPlayingWhite : IcsPlayingBlack;
4240 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4242 case RELATION_EXAMINING:
4243 newGameMode = IcsExamining;
4245 case RELATION_ISOLATED_BOARD:
4247 /* Just display this board. If user was doing something else,
4248 we will forget about it until the next board comes. */
4249 newGameMode = IcsIdle;
4251 case RELATION_STARTING_POSITION:
4252 newGameMode = gameMode;
4256 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4257 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4258 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4259 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4260 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4261 static int lastBgGame = -1;
4263 for (k = 0; k < ranks; k++) {
4264 for (j = 0; j < files; j++)
4265 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4266 if(gameInfo.holdingsWidth > 1) {
4267 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4268 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4271 CopyBoard(partnerBoard, board);
4272 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4273 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4274 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4275 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4276 if(toSqr = strchr(str, '-')) {
4277 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4278 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4279 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4280 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4281 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4282 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4284 DisplayWhiteClock(white_time*fac, to_play == 'W');
4285 DisplayBlackClock(black_time*fac, to_play != 'W');
4286 activePartner = to_play;
4287 if(gamenum != lastBgGame) {
4289 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4292 lastBgGame = gamenum;
4293 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4294 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4295 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4296 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4297 DisplayMessage(partnerStatus, "");
4298 partnerBoardValid = TRUE;
4302 if(appData.dualBoard && appData.bgObserve) {
4303 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4304 SendToICS(ics_prefix), SendToICS("pobserve\n");
4305 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4307 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4312 /* Modify behavior for initial board display on move listing
4315 switch (ics_getting_history) {
4319 case H_GOT_REQ_HEADER:
4320 case H_GOT_UNREQ_HEADER:
4321 /* This is the initial position of the current game */
4322 gamenum = ics_gamenum;
4323 moveNum = 0; /* old ICS bug workaround */
4324 if (to_play == 'B') {
4325 startedFromSetupPosition = TRUE;
4326 blackPlaysFirst = TRUE;
4328 if (forwardMostMove == 0) forwardMostMove = 1;
4329 if (backwardMostMove == 0) backwardMostMove = 1;
4330 if (currentMove == 0) currentMove = 1;
4332 newGameMode = gameMode;
4333 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4335 case H_GOT_UNWANTED_HEADER:
4336 /* This is an initial board that we don't want */
4338 case H_GETTING_MOVES:
4339 /* Should not happen */
4340 DisplayError(_("Error gathering move list: extra board"), 0);
4341 ics_getting_history = H_FALSE;
4345 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4346 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4347 weird && (int)gameInfo.variant < (int)VariantShogi) {
4348 /* [HGM] We seem to have switched variant unexpectedly
4349 * Try to guess new variant from board size
4351 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4352 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4353 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4354 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4355 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4356 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4357 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4358 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4359 /* Get a move list just to see the header, which
4360 will tell us whether this is really bug or zh */
4361 if (ics_getting_history == H_FALSE) {
4362 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4363 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4368 /* Take action if this is the first board of a new game, or of a
4369 different game than is currently being displayed. */
4370 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4371 relation == RELATION_ISOLATED_BOARD) {
4373 /* Forget the old game and get the history (if any) of the new one */
4374 if (gameMode != BeginningOfGame) {
4378 if (appData.autoRaiseBoard) BoardToTop();
4380 if (gamenum == -1) {
4381 newGameMode = IcsIdle;
4382 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4383 appData.getMoveList && !reqFlag) {
4384 /* Need to get game history */
4385 ics_getting_history = H_REQUESTED;
4386 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4390 /* Initially flip the board to have black on the bottom if playing
4391 black or if the ICS flip flag is set, but let the user change
4392 it with the Flip View button. */
4393 flipView = appData.autoFlipView ?
4394 (newGameMode == IcsPlayingBlack) || ics_flip :
4397 /* Done with values from previous mode; copy in new ones */
4398 gameMode = newGameMode;
4400 ics_gamenum = gamenum;
4401 if (gamenum == gs_gamenum) {
4402 int klen = strlen(gs_kind);
4403 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4404 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4405 gameInfo.event = StrSave(str);
4407 gameInfo.event = StrSave("ICS game");
4409 gameInfo.site = StrSave(appData.icsHost);
4410 gameInfo.date = PGNDate();
4411 gameInfo.round = StrSave("-");
4412 gameInfo.white = StrSave(white);
4413 gameInfo.black = StrSave(black);
4414 timeControl = basetime * 60 * 1000;
4416 timeIncrement = increment * 1000;
4417 movesPerSession = 0;
4418 gameInfo.timeControl = TimeControlTagValue();
4419 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4420 if (appData.debugMode) {
4421 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4422 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4423 setbuf(debugFP, NULL);
4426 gameInfo.outOfBook = NULL;
4428 /* Do we have the ratings? */
4429 if (strcmp(player1Name, white) == 0 &&
4430 strcmp(player2Name, black) == 0) {
4431 if (appData.debugMode)
4432 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4433 player1Rating, player2Rating);
4434 gameInfo.whiteRating = player1Rating;
4435 gameInfo.blackRating = player2Rating;
4436 } else if (strcmp(player2Name, white) == 0 &&
4437 strcmp(player1Name, black) == 0) {
4438 if (appData.debugMode)
4439 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4440 player2Rating, player1Rating);
4441 gameInfo.whiteRating = player2Rating;
4442 gameInfo.blackRating = player1Rating;
4444 player1Name[0] = player2Name[0] = NULLCHAR;
4446 /* Silence shouts if requested */
4447 if (appData.quietPlay &&
4448 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4449 SendToICS(ics_prefix);
4450 SendToICS("set shout 0\n");
4454 /* Deal with midgame name changes */
4456 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4457 if (gameInfo.white) free(gameInfo.white);
4458 gameInfo.white = StrSave(white);
4460 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4461 if (gameInfo.black) free(gameInfo.black);
4462 gameInfo.black = StrSave(black);
4466 /* Throw away game result if anything actually changes in examine mode */
4467 if (gameMode == IcsExamining && !newGame) {
4468 gameInfo.result = GameUnfinished;
4469 if (gameInfo.resultDetails != NULL) {
4470 free(gameInfo.resultDetails);
4471 gameInfo.resultDetails = NULL;
4475 /* In pausing && IcsExamining mode, we ignore boards coming
4476 in if they are in a different variation than we are. */
4477 if (pauseExamInvalid) return;
4478 if (pausing && gameMode == IcsExamining) {
4479 if (moveNum <= pauseExamForwardMostMove) {
4480 pauseExamInvalid = TRUE;
4481 forwardMostMove = pauseExamForwardMostMove;
4486 if (appData.debugMode) {
4487 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4489 /* Parse the board */
4490 for (k = 0; k < ranks; k++) {
4491 for (j = 0; j < files; j++)
4492 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4493 if(gameInfo.holdingsWidth > 1) {
4494 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4495 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4498 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4499 board[5][BOARD_RGHT+1] = WhiteAngel;
4500 board[6][BOARD_RGHT+1] = WhiteMarshall;
4501 board[1][0] = BlackMarshall;
4502 board[2][0] = BlackAngel;
4503 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4505 CopyBoard(boards[moveNum], board);
4506 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4508 startedFromSetupPosition =
4509 !CompareBoards(board, initialPosition);
4510 if(startedFromSetupPosition)
4511 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4514 /* [HGM] Set castling rights. Take the outermost Rooks,
4515 to make it also work for FRC opening positions. Note that board12
4516 is really defective for later FRC positions, as it has no way to
4517 indicate which Rook can castle if they are on the same side of King.
4518 For the initial position we grant rights to the outermost Rooks,
4519 and remember thos rights, and we then copy them on positions
4520 later in an FRC game. This means WB might not recognize castlings with
4521 Rooks that have moved back to their original position as illegal,
4522 but in ICS mode that is not its job anyway.
4524 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4525 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4527 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4528 if(board[0][i] == WhiteRook) j = i;
4529 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4530 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4531 if(board[0][i] == WhiteRook) j = i;
4532 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4533 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4534 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4535 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4536 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4537 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4538 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4540 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4541 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4542 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4543 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4544 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4545 if(board[BOARD_HEIGHT-1][k] == bKing)
4546 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4547 if(gameInfo.variant == VariantTwoKings) {
4548 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4549 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4550 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4553 r = boards[moveNum][CASTLING][0] = initialRights[0];
4554 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4555 r = boards[moveNum][CASTLING][1] = initialRights[1];
4556 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4557 r = boards[moveNum][CASTLING][3] = initialRights[3];
4558 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4559 r = boards[moveNum][CASTLING][4] = initialRights[4];
4560 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4561 /* wildcastle kludge: always assume King has rights */
4562 r = boards[moveNum][CASTLING][2] = initialRights[2];
4563 r = boards[moveNum][CASTLING][5] = initialRights[5];
4565 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4566 boards[moveNum][EP_STATUS] = EP_NONE;
4567 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4568 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4569 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4572 if (ics_getting_history == H_GOT_REQ_HEADER ||
4573 ics_getting_history == H_GOT_UNREQ_HEADER) {
4574 /* This was an initial position from a move list, not
4575 the current position */
4579 /* Update currentMove and known move number limits */
4580 newMove = newGame || moveNum > forwardMostMove;
4583 forwardMostMove = backwardMostMove = currentMove = moveNum;
4584 if (gameMode == IcsExamining && moveNum == 0) {
4585 /* Workaround for ICS limitation: we are not told the wild
4586 type when starting to examine a game. But if we ask for
4587 the move list, the move list header will tell us */
4588 ics_getting_history = H_REQUESTED;
4589 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4592 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4593 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4595 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4596 /* [HGM] applied this also to an engine that is silently watching */
4597 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4598 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4599 gameInfo.variant == currentlyInitializedVariant) {
4600 takeback = forwardMostMove - moveNum;
4601 for (i = 0; i < takeback; i++) {
4602 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4603 SendToProgram("undo\n", &first);
4608 forwardMostMove = moveNum;
4609 if (!pausing || currentMove > forwardMostMove)
4610 currentMove = forwardMostMove;
4612 /* New part of history that is not contiguous with old part */
4613 if (pausing && gameMode == IcsExamining) {
4614 pauseExamInvalid = TRUE;
4615 forwardMostMove = pauseExamForwardMostMove;
4618 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4620 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4621 // [HGM] when we will receive the move list we now request, it will be
4622 // fed to the engine from the first move on. So if the engine is not
4623 // in the initial position now, bring it there.
4624 InitChessProgram(&first, 0);
4627 ics_getting_history = H_REQUESTED;
4628 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4631 forwardMostMove = backwardMostMove = currentMove = moveNum;
4634 /* Update the clocks */
4635 if (strchr(elapsed_time, '.')) {
4637 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4638 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4640 /* Time is in seconds */
4641 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4642 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4647 if (appData.zippyPlay && newGame &&
4648 gameMode != IcsObserving && gameMode != IcsIdle &&
4649 gameMode != IcsExamining)
4650 ZippyFirstBoard(moveNum, basetime, increment);
4653 /* Put the move on the move list, first converting
4654 to canonical algebraic form. */
4656 if (appData.debugMode) {
4657 if (appData.debugMode) { int f = forwardMostMove;
4658 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4659 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4660 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4662 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4663 fprintf(debugFP, "moveNum = %d\n", moveNum);
4664 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4665 setbuf(debugFP, NULL);
4667 if (moveNum <= backwardMostMove) {
4668 /* We don't know what the board looked like before
4670 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4671 strcat(parseList[moveNum - 1], " ");
4672 strcat(parseList[moveNum - 1], elapsed_time);
4673 moveList[moveNum - 1][0] = NULLCHAR;
4674 } else if (strcmp(move_str, "none") == 0) {
4675 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4676 /* Again, we don't know what the board looked like;
4677 this is really the start of the game. */
4678 parseList[moveNum - 1][0] = NULLCHAR;
4679 moveList[moveNum - 1][0] = NULLCHAR;
4680 backwardMostMove = moveNum;
4681 startedFromSetupPosition = TRUE;
4682 fromX = fromY = toX = toY = -1;
4684 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4685 // So we parse the long-algebraic move string in stead of the SAN move
4686 int valid; char buf[MSG_SIZ], *prom;
4688 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4689 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4690 // str looks something like "Q/a1-a2"; kill the slash
4692 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4693 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4694 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4695 strcat(buf, prom); // long move lacks promo specification!
4696 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4697 if(appData.debugMode)
4698 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4699 safeStrCpy(move_str, buf, MSG_SIZ);
4701 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4702 &fromX, &fromY, &toX, &toY, &promoChar)
4703 || ParseOneMove(buf, moveNum - 1, &moveType,
4704 &fromX, &fromY, &toX, &toY, &promoChar);
4705 // end of long SAN patch
4707 (void) CoordsToAlgebraic(boards[moveNum - 1],
4708 PosFlags(moveNum - 1),
4709 fromY, fromX, toY, toX, promoChar,
4710 parseList[moveNum-1]);
4711 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4717 if(gameInfo.variant != VariantShogi)
4718 strcat(parseList[moveNum - 1], "+");
4721 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4722 strcat(parseList[moveNum - 1], "#");
4725 strcat(parseList[moveNum - 1], " ");
4726 strcat(parseList[moveNum - 1], elapsed_time);
4727 /* currentMoveString is set as a side-effect of ParseOneMove */
4728 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4729 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4730 strcat(moveList[moveNum - 1], "\n");
4732 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4733 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4734 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4735 ChessSquare old, new = boards[moveNum][k][j];
4736 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4737 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4738 if(old == new) continue;
4739 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4740 else if(new == WhiteWazir || new == BlackWazir) {
4741 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4742 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4743 else boards[moveNum][k][j] = old; // preserve type of Gold
4744 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4745 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4748 /* Move from ICS was illegal!? Punt. */
4749 if (appData.debugMode) {
4750 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4751 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4753 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4754 strcat(parseList[moveNum - 1], " ");
4755 strcat(parseList[moveNum - 1], elapsed_time);
4756 moveList[moveNum - 1][0] = NULLCHAR;
4757 fromX = fromY = toX = toY = -1;
4760 if (appData.debugMode) {
4761 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4762 setbuf(debugFP, NULL);
4766 /* Send move to chess program (BEFORE animating it). */
4767 if (appData.zippyPlay && !newGame && newMove &&
4768 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4770 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4771 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4772 if (moveList[moveNum - 1][0] == NULLCHAR) {
4773 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4775 DisplayError(str, 0);
4777 if (first.sendTime) {
4778 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4780 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4781 if (firstMove && !bookHit) {
4783 if (first.useColors) {
4784 SendToProgram(gameMode == IcsPlayingWhite ?
4786 "black\ngo\n", &first);
4788 SendToProgram("go\n", &first);
4790 first.maybeThinking = TRUE;
4793 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4794 if (moveList[moveNum - 1][0] == NULLCHAR) {
4795 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4796 DisplayError(str, 0);
4798 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4799 SendMoveToProgram(moveNum - 1, &first);
4806 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4807 /* If move comes from a remote source, animate it. If it
4808 isn't remote, it will have already been animated. */
4809 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4810 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4812 if (!pausing && appData.highlightLastMove) {
4813 SetHighlights(fromX, fromY, toX, toY);
4817 /* Start the clocks */
4818 whiteFlag = blackFlag = FALSE;
4819 appData.clockMode = !(basetime == 0 && increment == 0);
4821 ics_clock_paused = TRUE;
4823 } else if (ticking == 1) {
4824 ics_clock_paused = FALSE;
4826 if (gameMode == IcsIdle ||
4827 relation == RELATION_OBSERVING_STATIC ||
4828 relation == RELATION_EXAMINING ||
4830 DisplayBothClocks();
4834 /* Display opponents and material strengths */
4835 if (gameInfo.variant != VariantBughouse &&
4836 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4837 if (tinyLayout || smallLayout) {
4838 if(gameInfo.variant == VariantNormal)
4839 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4840 gameInfo.white, white_stren, gameInfo.black, black_stren,
4841 basetime, increment);
4843 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4844 gameInfo.white, white_stren, gameInfo.black, black_stren,
4845 basetime, increment, (int) gameInfo.variant);
4847 if(gameInfo.variant == VariantNormal)
4848 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4849 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4850 basetime, increment);
4852 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4853 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4854 basetime, increment, VariantName(gameInfo.variant));
4857 if (appData.debugMode) {
4858 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4863 /* Display the board */
4864 if (!pausing && !appData.noGUI) {
4866 if (appData.premove)
4868 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4869 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4870 ClearPremoveHighlights();
4872 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4873 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4874 DrawPosition(j, boards[currentMove]);
4876 DisplayMove(moveNum - 1);
4877 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4878 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4879 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4880 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4884 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4886 if(bookHit) { // [HGM] book: simulate book reply
4887 static char bookMove[MSG_SIZ]; // a bit generous?
4889 programStats.nodes = programStats.depth = programStats.time =
4890 programStats.score = programStats.got_only_move = 0;
4891 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4893 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4894 strcat(bookMove, bookHit);
4895 HandleMachineMove(bookMove, &first);
4904 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4905 ics_getting_history = H_REQUESTED;
4906 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4912 SendToBoth (char *msg)
4913 { // to make it easy to keep two engines in step in dual analysis
4914 SendToProgram(msg, &first);
4915 if(second.analyzing) SendToProgram(msg, &second);
4919 AnalysisPeriodicEvent (int force)
4921 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4922 && !force) || !appData.periodicUpdates)
4925 /* Send . command to Crafty to collect stats */
4928 /* Don't send another until we get a response (this makes
4929 us stop sending to old Crafty's which don't understand
4930 the "." command (sending illegal cmds resets node count & time,
4931 which looks bad)) */
4932 programStats.ok_to_send = 0;
4936 ics_update_width (int new_width)
4938 ics_printf("set width %d\n", new_width);
4942 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4946 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4947 // null move in variant where engine does not understand it (for analysis purposes)
4948 SendBoard(cps, moveNum + 1); // send position after move in stead.
4951 if (cps->useUsermove) {
4952 SendToProgram("usermove ", cps);
4956 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4957 int len = space - parseList[moveNum];
4958 memcpy(buf, parseList[moveNum], len);
4960 buf[len] = NULLCHAR;
4962 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4964 SendToProgram(buf, cps);
4966 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4967 AlphaRank(moveList[moveNum], 4);
4968 SendToProgram(moveList[moveNum], cps);
4969 AlphaRank(moveList[moveNum], 4); // and back
4971 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4972 * the engine. It would be nice to have a better way to identify castle
4974 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4975 && cps->useOOCastle) {
4976 int fromX = moveList[moveNum][0] - AAA;
4977 int fromY = moveList[moveNum][1] - ONE;
4978 int toX = moveList[moveNum][2] - AAA;
4979 int toY = moveList[moveNum][3] - ONE;
4980 if((boards[moveNum][fromY][fromX] == WhiteKing
4981 && boards[moveNum][toY][toX] == WhiteRook)
4982 || (boards[moveNum][fromY][fromX] == BlackKing
4983 && boards[moveNum][toY][toX] == BlackRook)) {
4984 if(toX > fromX) SendToProgram("O-O\n", cps);
4985 else SendToProgram("O-O-O\n", cps);
4987 else SendToProgram(moveList[moveNum], cps);
4989 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4990 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4991 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4992 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4993 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4995 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4996 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4997 SendToProgram(buf, cps);
4999 else SendToProgram(moveList[moveNum], cps);
5000 /* End of additions by Tord */
5003 /* [HGM] setting up the opening has brought engine in force mode! */
5004 /* Send 'go' if we are in a mode where machine should play. */
5005 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5006 (gameMode == TwoMachinesPlay ||
5008 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5010 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5011 SendToProgram("go\n", cps);
5012 if (appData.debugMode) {
5013 fprintf(debugFP, "(extra)\n");
5016 setboardSpoiledMachineBlack = 0;
5020 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5022 char user_move[MSG_SIZ];
5025 if(gameInfo.variant == VariantSChess && promoChar) {
5026 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5027 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5028 } else suffix[0] = NULLCHAR;
5032 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5033 (int)moveType, fromX, fromY, toX, toY);
5034 DisplayError(user_move + strlen("say "), 0);
5036 case WhiteKingSideCastle:
5037 case BlackKingSideCastle:
5038 case WhiteQueenSideCastleWild:
5039 case BlackQueenSideCastleWild:
5041 case WhiteHSideCastleFR:
5042 case BlackHSideCastleFR:
5044 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5046 case WhiteQueenSideCastle:
5047 case BlackQueenSideCastle:
5048 case WhiteKingSideCastleWild:
5049 case BlackKingSideCastleWild:
5051 case WhiteASideCastleFR:
5052 case BlackASideCastleFR:
5054 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5056 case WhiteNonPromotion:
5057 case BlackNonPromotion:
5058 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5060 case WhitePromotion:
5061 case BlackPromotion:
5062 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5063 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5064 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5065 PieceToChar(WhiteFerz));
5066 else if(gameInfo.variant == VariantGreat)
5067 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5068 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5069 PieceToChar(WhiteMan));
5071 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5072 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5078 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5079 ToUpper(PieceToChar((ChessSquare) fromX)),
5080 AAA + toX, ONE + toY);
5082 case IllegalMove: /* could be a variant we don't quite understand */
5083 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5085 case WhiteCapturesEnPassant:
5086 case BlackCapturesEnPassant:
5087 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5091 SendToICS(user_move);
5092 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5093 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5098 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5099 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5100 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5101 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5102 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5105 if(gameMode != IcsExamining) { // is this ever not the case?
5106 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5108 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5109 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5110 } else { // on FICS we must first go to general examine mode
5111 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5113 if(gameInfo.variant != VariantNormal) {
5114 // try figure out wild number, as xboard names are not always valid on ICS
5115 for(i=1; i<=36; i++) {
5116 snprintf(buf, MSG_SIZ, "wild/%d", i);
5117 if(StringToVariant(buf) == gameInfo.variant) break;
5119 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5120 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5121 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5122 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5123 SendToICS(ics_prefix);
5125 if(startedFromSetupPosition || backwardMostMove != 0) {
5126 fen = PositionToFEN(backwardMostMove, NULL);
5127 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5128 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5130 } else { // FICS: everything has to set by separate bsetup commands
5131 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5132 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5134 if(!WhiteOnMove(backwardMostMove)) {
5135 SendToICS("bsetup tomove black\n");
5137 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5138 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5140 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5141 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5143 i = boards[backwardMostMove][EP_STATUS];
5144 if(i >= 0) { // set e.p.
5145 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5151 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5152 SendToICS("bsetup done\n"); // switch to normal examining.
5154 for(i = backwardMostMove; i<last; i++) {
5156 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5157 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5158 int len = strlen(moveList[i]);
5159 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5160 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5164 SendToICS(ics_prefix);
5165 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5169 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5171 if (rf == DROP_RANK) {
5172 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5173 sprintf(move, "%c@%c%c\n",
5174 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5176 if (promoChar == 'x' || promoChar == NULLCHAR) {
5177 sprintf(move, "%c%c%c%c\n",
5178 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5180 sprintf(move, "%c%c%c%c%c\n",
5181 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5187 ProcessICSInitScript (FILE *f)
5191 while (fgets(buf, MSG_SIZ, f)) {
5192 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5199 static int lastX, lastY, selectFlag, dragging;
5204 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5205 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5206 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5207 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5208 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5209 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5212 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5213 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5214 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5215 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5216 if(!step) step = -1;
5217 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5218 appData.testLegality && (promoSweep == king ||
5219 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5221 int victim = boards[currentMove][toY][toX];
5222 boards[currentMove][toY][toX] = promoSweep;
5223 DrawPosition(FALSE, boards[currentMove]);
5224 boards[currentMove][toY][toX] = victim;
5226 ChangeDragPiece(promoSweep);
5230 PromoScroll (int x, int y)
5234 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5235 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5236 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5237 if(!step) return FALSE;
5238 lastX = x; lastY = y;
5239 if((promoSweep < BlackPawn) == flipView) step = -step;
5240 if(step > 0) selectFlag = 1;
5241 if(!selectFlag) Sweep(step);
5246 NextPiece (int step)
5248 ChessSquare piece = boards[currentMove][toY][toX];
5251 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5252 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5253 if(!step) step = -1;
5254 } while(PieceToChar(pieceSweep) == '.');
5255 boards[currentMove][toY][toX] = pieceSweep;
5256 DrawPosition(FALSE, boards[currentMove]);
5257 boards[currentMove][toY][toX] = piece;
5259 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5261 AlphaRank (char *move, int n)
5263 // char *p = move, c; int x, y;
5265 if (appData.debugMode) {
5266 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5270 move[2]>='0' && move[2]<='9' &&
5271 move[3]>='a' && move[3]<='x' ) {
5273 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5274 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5276 if(move[0]>='0' && move[0]<='9' &&
5277 move[1]>='a' && move[1]<='x' &&
5278 move[2]>='0' && move[2]<='9' &&
5279 move[3]>='a' && move[3]<='x' ) {
5280 /* input move, Shogi -> normal */
5281 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5282 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5283 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5284 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5287 move[3]>='0' && move[3]<='9' &&
5288 move[2]>='a' && move[2]<='x' ) {
5290 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5291 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5294 move[0]>='a' && move[0]<='x' &&
5295 move[3]>='0' && move[3]<='9' &&
5296 move[2]>='a' && move[2]<='x' ) {
5297 /* output move, normal -> Shogi */
5298 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5299 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5300 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5301 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5302 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5304 if (appData.debugMode) {
5305 fprintf(debugFP, " out = '%s'\n", move);
5309 char yy_textstr[8000];
5311 /* Parser for moves from gnuchess, ICS, or user typein box */
5313 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5315 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5317 switch (*moveType) {
5318 case WhitePromotion:
5319 case BlackPromotion:
5320 case WhiteNonPromotion:
5321 case BlackNonPromotion:
5323 case WhiteCapturesEnPassant:
5324 case BlackCapturesEnPassant:
5325 case WhiteKingSideCastle:
5326 case WhiteQueenSideCastle:
5327 case BlackKingSideCastle:
5328 case BlackQueenSideCastle:
5329 case WhiteKingSideCastleWild:
5330 case WhiteQueenSideCastleWild:
5331 case BlackKingSideCastleWild:
5332 case BlackQueenSideCastleWild:
5333 /* Code added by Tord: */
5334 case WhiteHSideCastleFR:
5335 case WhiteASideCastleFR:
5336 case BlackHSideCastleFR:
5337 case BlackASideCastleFR:
5338 /* End of code added by Tord */
5339 case IllegalMove: /* bug or odd chess variant */
5340 *fromX = currentMoveString[0] - AAA;
5341 *fromY = currentMoveString[1] - ONE;
5342 *toX = currentMoveString[2] - AAA;
5343 *toY = currentMoveString[3] - ONE;
5344 *promoChar = currentMoveString[4];
5345 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5346 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5347 if (appData.debugMode) {
5348 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5350 *fromX = *fromY = *toX = *toY = 0;
5353 if (appData.testLegality) {
5354 return (*moveType != IllegalMove);
5356 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5357 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5362 *fromX = *moveType == WhiteDrop ?
5363 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5364 (int) CharToPiece(ToLower(currentMoveString[0]));
5366 *toX = currentMoveString[2] - AAA;
5367 *toY = currentMoveString[3] - ONE;
5368 *promoChar = NULLCHAR;
5372 case ImpossibleMove:
5382 if (appData.debugMode) {
5383 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5386 *fromX = *fromY = *toX = *toY = 0;
5387 *promoChar = NULLCHAR;
5392 Boolean pushed = FALSE;
5393 char *lastParseAttempt;
5396 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5397 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5398 int fromX, fromY, toX, toY; char promoChar;
5403 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5404 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5407 endPV = forwardMostMove;
5409 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5410 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5411 lastParseAttempt = pv;
5412 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5413 if(!valid && nr == 0 &&
5414 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5415 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5416 // Hande case where played move is different from leading PV move
5417 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5418 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5419 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5420 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5421 endPV += 2; // if position different, keep this
5422 moveList[endPV-1][0] = fromX + AAA;
5423 moveList[endPV-1][1] = fromY + ONE;
5424 moveList[endPV-1][2] = toX + AAA;
5425 moveList[endPV-1][3] = toY + ONE;
5426 parseList[endPV-1][0] = NULLCHAR;
5427 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5430 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5431 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5432 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5433 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5434 valid++; // allow comments in PV
5438 if(endPV+1 > framePtr) break; // no space, truncate
5441 CopyBoard(boards[endPV], boards[endPV-1]);
5442 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5443 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5444 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5445 CoordsToAlgebraic(boards[endPV - 1],
5446 PosFlags(endPV - 1),
5447 fromY, fromX, toY, toX, promoChar,
5448 parseList[endPV - 1]);
5450 if(atEnd == 2) return; // used hidden, for PV conversion
5451 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5452 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5453 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5454 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5455 DrawPosition(TRUE, boards[currentMove]);
5459 MultiPV (ChessProgramState *cps)
5460 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5462 for(i=0; i<cps->nrOptions; i++)
5463 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5469 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5471 int startPV, multi, lineStart, origIndex = index;
5472 char *p, buf2[MSG_SIZ];
5473 ChessProgramState *cps = (pane ? &second : &first);
5475 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5476 lastX = x; lastY = y;
5477 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5478 lineStart = startPV = index;
5479 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5480 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5482 do{ while(buf[index] && buf[index] != '\n') index++;
5483 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5485 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5486 int n = cps->option[multi].value;
5487 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5488 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5489 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5490 cps->option[multi].value = n;
5493 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5494 ExcludeClick(origIndex - lineStart);
5497 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5498 *start = startPV; *end = index-1;
5505 static char buf[10*MSG_SIZ];
5506 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5508 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5509 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5510 for(i = forwardMostMove; i<endPV; i++){
5511 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5512 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5515 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5516 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5522 LoadPV (int x, int y)
5523 { // called on right mouse click to load PV
5524 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5525 lastX = x; lastY = y;
5526 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5533 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5534 if(endPV < 0) return;
5535 if(appData.autoCopyPV) CopyFENToClipboard();
5537 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5538 Boolean saveAnimate = appData.animate;
5540 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5541 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5542 } else storedGames--; // abandon shelved tail of original game
5545 forwardMostMove = currentMove;
5546 currentMove = oldFMM;
5547 appData.animate = FALSE;
5548 ToNrEvent(forwardMostMove);
5549 appData.animate = saveAnimate;
5551 currentMove = forwardMostMove;
5552 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5553 ClearPremoveHighlights();
5554 DrawPosition(TRUE, boards[currentMove]);
5558 MovePV (int x, int y, int h)
5559 { // step through PV based on mouse coordinates (called on mouse move)
5560 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5562 // we must somehow check if right button is still down (might be released off board!)
5563 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5564 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5565 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5567 lastX = x; lastY = y;
5569 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5570 if(endPV < 0) return;
5571 if(y < margin) step = 1; else
5572 if(y > h - margin) step = -1;
5573 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5574 currentMove += step;
5575 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5576 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5577 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5578 DrawPosition(FALSE, boards[currentMove]);
5582 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5583 // All positions will have equal probability, but the current method will not provide a unique
5584 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5590 int piecesLeft[(int)BlackPawn];
5591 int seed, nrOfShuffles;
5594 GetPositionNumber ()
5595 { // sets global variable seed
5598 seed = appData.defaultFrcPosition;
5599 if(seed < 0) { // randomize based on time for negative FRC position numbers
5600 for(i=0; i<50; i++) seed += random();
5601 seed = random() ^ random() >> 8 ^ random() << 8;
5602 if(seed<0) seed = -seed;
5607 put (Board board, int pieceType, int rank, int n, int shade)
5608 // put the piece on the (n-1)-th empty squares of the given shade
5612 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5613 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5614 board[rank][i] = (ChessSquare) pieceType;
5615 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5617 piecesLeft[pieceType]--;
5626 AddOnePiece (Board board, int pieceType, int rank, int shade)
5627 // calculate where the next piece goes, (any empty square), and put it there
5631 i = seed % squaresLeft[shade];
5632 nrOfShuffles *= squaresLeft[shade];
5633 seed /= squaresLeft[shade];
5634 put(board, pieceType, rank, i, shade);
5638 AddTwoPieces (Board board, int pieceType, int rank)
5639 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5641 int i, n=squaresLeft[ANY], j=n-1, k;
5643 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5644 i = seed % k; // pick one
5647 while(i >= j) i -= j--;
5648 j = n - 1 - j; i += j;
5649 put(board, pieceType, rank, j, ANY);
5650 put(board, pieceType, rank, i, ANY);
5654 SetUpShuffle (Board board, int number)
5658 GetPositionNumber(); nrOfShuffles = 1;
5660 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5661 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5662 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5664 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5666 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5667 p = (int) board[0][i];
5668 if(p < (int) BlackPawn) piecesLeft[p] ++;
5669 board[0][i] = EmptySquare;
5672 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5673 // shuffles restricted to allow normal castling put KRR first
5674 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5675 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5676 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5677 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5678 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5679 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5680 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5681 put(board, WhiteRook, 0, 0, ANY);
5682 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5685 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5686 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5687 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5688 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5689 while(piecesLeft[p] >= 2) {
5690 AddOnePiece(board, p, 0, LITE);
5691 AddOnePiece(board, p, 0, DARK);
5693 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5696 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5697 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5698 // but we leave King and Rooks for last, to possibly obey FRC restriction
5699 if(p == (int)WhiteRook) continue;
5700 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5701 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5704 // now everything is placed, except perhaps King (Unicorn) and Rooks
5706 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5707 // Last King gets castling rights
5708 while(piecesLeft[(int)WhiteUnicorn]) {
5709 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5710 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5713 while(piecesLeft[(int)WhiteKing]) {
5714 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5715 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5720 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5721 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5724 // Only Rooks can be left; simply place them all
5725 while(piecesLeft[(int)WhiteRook]) {
5726 i = put(board, WhiteRook, 0, 0, ANY);
5727 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5730 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5732 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5735 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5736 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5739 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5743 SetCharTable (char *table, const char * map)
5744 /* [HGM] moved here from winboard.c because of its general usefulness */
5745 /* Basically a safe strcpy that uses the last character as King */
5747 int result = FALSE; int NrPieces;
5749 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5750 && NrPieces >= 12 && !(NrPieces&1)) {
5751 int i; /* [HGM] Accept even length from 12 to 34 */
5753 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5754 for( i=0; i<NrPieces/2-1; i++ ) {
5756 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5758 table[(int) WhiteKing] = map[NrPieces/2-1];
5759 table[(int) BlackKing] = map[NrPieces-1];
5768 Prelude (Board board)
5769 { // [HGM] superchess: random selection of exo-pieces
5770 int i, j, k; ChessSquare p;
5771 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5773 GetPositionNumber(); // use FRC position number
5775 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5776 SetCharTable(pieceToChar, appData.pieceToCharTable);
5777 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5778 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5781 j = seed%4; seed /= 4;
5782 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5783 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5784 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5785 j = seed%3 + (seed%3 >= j); seed /= 3;
5786 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5787 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5788 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5789 j = seed%3; seed /= 3;
5790 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5791 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5792 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5793 j = seed%2 + (seed%2 >= j); seed /= 2;
5794 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5795 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5796 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5797 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5798 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5799 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5800 put(board, exoPieces[0], 0, 0, ANY);
5801 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5805 InitPosition (int redraw)
5807 ChessSquare (* pieces)[BOARD_FILES];
5808 int i, j, pawnRow, overrule,
5809 oldx = gameInfo.boardWidth,
5810 oldy = gameInfo.boardHeight,
5811 oldh = gameInfo.holdingsWidth;
5814 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5816 /* [AS] Initialize pv info list [HGM] and game status */
5818 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5819 pvInfoList[i].depth = 0;
5820 boards[i][EP_STATUS] = EP_NONE;
5821 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5824 initialRulePlies = 0; /* 50-move counter start */
5826 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5827 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5831 /* [HGM] logic here is completely changed. In stead of full positions */
5832 /* the initialized data only consist of the two backranks. The switch */
5833 /* selects which one we will use, which is than copied to the Board */
5834 /* initialPosition, which for the rest is initialized by Pawns and */
5835 /* empty squares. This initial position is then copied to boards[0], */
5836 /* possibly after shuffling, so that it remains available. */
5838 gameInfo.holdingsWidth = 0; /* default board sizes */
5839 gameInfo.boardWidth = 8;
5840 gameInfo.boardHeight = 8;
5841 gameInfo.holdingsSize = 0;
5842 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5843 for(i=0; i<BOARD_FILES-2; i++)
5844 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5845 initialPosition[EP_STATUS] = EP_NONE;
5846 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5847 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5848 SetCharTable(pieceNickName, appData.pieceNickNames);
5849 else SetCharTable(pieceNickName, "............");
5852 switch (gameInfo.variant) {
5853 case VariantFischeRandom:
5854 shuffleOpenings = TRUE;
5857 case VariantShatranj:
5858 pieces = ShatranjArray;
5859 nrCastlingRights = 0;
5860 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5863 pieces = makrukArray;
5864 nrCastlingRights = 0;
5865 startedFromSetupPosition = TRUE;
5866 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5868 case VariantTwoKings:
5869 pieces = twoKingsArray;
5872 pieces = GrandArray;
5873 nrCastlingRights = 0;
5874 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5875 gameInfo.boardWidth = 10;
5876 gameInfo.boardHeight = 10;
5877 gameInfo.holdingsSize = 7;
5879 case VariantCapaRandom:
5880 shuffleOpenings = TRUE;
5881 case VariantCapablanca:
5882 pieces = CapablancaArray;
5883 gameInfo.boardWidth = 10;
5884 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5887 pieces = GothicArray;
5888 gameInfo.boardWidth = 10;
5889 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5892 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5893 gameInfo.holdingsSize = 7;
5894 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5897 pieces = JanusArray;
5898 gameInfo.boardWidth = 10;
5899 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5900 nrCastlingRights = 6;
5901 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5902 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5903 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5904 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5905 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5906 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5909 pieces = FalconArray;
5910 gameInfo.boardWidth = 10;
5911 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5913 case VariantXiangqi:
5914 pieces = XiangqiArray;
5915 gameInfo.boardWidth = 9;
5916 gameInfo.boardHeight = 10;
5917 nrCastlingRights = 0;
5918 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5921 pieces = ShogiArray;
5922 gameInfo.boardWidth = 9;
5923 gameInfo.boardHeight = 9;
5924 gameInfo.holdingsSize = 7;
5925 nrCastlingRights = 0;
5926 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5928 case VariantCourier:
5929 pieces = CourierArray;
5930 gameInfo.boardWidth = 12;
5931 nrCastlingRights = 0;
5932 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5934 case VariantKnightmate:
5935 pieces = KnightmateArray;
5936 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5938 case VariantSpartan:
5939 pieces = SpartanArray;
5940 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5943 pieces = fairyArray;
5944 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5947 pieces = GreatArray;
5948 gameInfo.boardWidth = 10;
5949 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5950 gameInfo.holdingsSize = 8;
5954 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5955 gameInfo.holdingsSize = 8;
5956 startedFromSetupPosition = TRUE;
5958 case VariantCrazyhouse:
5959 case VariantBughouse:
5961 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5962 gameInfo.holdingsSize = 5;
5964 case VariantWildCastle:
5966 /* !!?shuffle with kings guaranteed to be on d or e file */
5967 shuffleOpenings = 1;
5969 case VariantNoCastle:
5971 nrCastlingRights = 0;
5972 /* !!?unconstrained back-rank shuffle */
5973 shuffleOpenings = 1;
5978 if(appData.NrFiles >= 0) {
5979 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5980 gameInfo.boardWidth = appData.NrFiles;
5982 if(appData.NrRanks >= 0) {
5983 gameInfo.boardHeight = appData.NrRanks;
5985 if(appData.holdingsSize >= 0) {
5986 i = appData.holdingsSize;
5987 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5988 gameInfo.holdingsSize = i;
5990 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5991 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5992 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5994 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5995 if(pawnRow < 1) pawnRow = 1;
5996 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5998 /* User pieceToChar list overrules defaults */
5999 if(appData.pieceToCharTable != NULL)
6000 SetCharTable(pieceToChar, appData.pieceToCharTable);
6002 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6004 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6005 s = (ChessSquare) 0; /* account holding counts in guard band */
6006 for( i=0; i<BOARD_HEIGHT; i++ )
6007 initialPosition[i][j] = s;
6009 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6010 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6011 initialPosition[pawnRow][j] = WhitePawn;
6012 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6013 if(gameInfo.variant == VariantXiangqi) {
6015 initialPosition[pawnRow][j] =
6016 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6017 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6018 initialPosition[2][j] = WhiteCannon;
6019 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6023 if(gameInfo.variant == VariantGrand) {
6024 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6025 initialPosition[0][j] = WhiteRook;
6026 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6029 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6031 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6034 initialPosition[1][j] = WhiteBishop;
6035 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6037 initialPosition[1][j] = WhiteRook;
6038 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6041 if( nrCastlingRights == -1) {
6042 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6043 /* This sets default castling rights from none to normal corners */
6044 /* Variants with other castling rights must set them themselves above */
6045 nrCastlingRights = 6;
6047 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6048 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6049 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6050 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6051 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6052 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6055 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6056 if(gameInfo.variant == VariantGreat) { // promotion commoners
6057 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6058 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6059 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6060 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6062 if( gameInfo.variant == VariantSChess ) {
6063 initialPosition[1][0] = BlackMarshall;
6064 initialPosition[2][0] = BlackAngel;
6065 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6066 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6067 initialPosition[1][1] = initialPosition[2][1] =
6068 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6070 if (appData.debugMode) {
6071 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6073 if(shuffleOpenings) {
6074 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6075 startedFromSetupPosition = TRUE;
6077 if(startedFromPositionFile) {
6078 /* [HGM] loadPos: use PositionFile for every new game */
6079 CopyBoard(initialPosition, filePosition);
6080 for(i=0; i<nrCastlingRights; i++)
6081 initialRights[i] = filePosition[CASTLING][i];
6082 startedFromSetupPosition = TRUE;
6085 CopyBoard(boards[0], initialPosition);
6087 if(oldx != gameInfo.boardWidth ||
6088 oldy != gameInfo.boardHeight ||
6089 oldv != gameInfo.variant ||
6090 oldh != gameInfo.holdingsWidth
6092 InitDrawingSizes(-2 ,0);
6094 oldv = gameInfo.variant;
6096 DrawPosition(TRUE, boards[currentMove]);
6100 SendBoard (ChessProgramState *cps, int moveNum)
6102 char message[MSG_SIZ];
6104 if (cps->useSetboard) {
6105 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6106 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6107 SendToProgram(message, cps);
6112 int i, j, left=0, right=BOARD_WIDTH;
6113 /* Kludge to set black to move, avoiding the troublesome and now
6114 * deprecated "black" command.
6116 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6117 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6119 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6121 SendToProgram("edit\n", cps);
6122 SendToProgram("#\n", cps);
6123 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6124 bp = &boards[moveNum][i][left];
6125 for (j = left; j < right; j++, bp++) {
6126 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6127 if ((int) *bp < (int) BlackPawn) {
6128 if(j == BOARD_RGHT+1)
6129 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6130 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
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("c\n", cps);
6146 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6147 bp = &boards[moveNum][i][left];
6148 for (j = left; j < right; j++, bp++) {
6149 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6150 if (((int) *bp != (int) EmptySquare)
6151 && ((int) *bp >= (int) BlackPawn)) {
6152 if(j == BOARD_LEFT-2)
6153 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6154 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6156 if(message[0] == '+' || message[0] == '~') {
6157 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6158 PieceToChar((ChessSquare)(DEMOTED *bp)),
6161 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6162 message[1] = BOARD_RGHT - 1 - j + '1';
6163 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6165 SendToProgram(message, cps);
6170 SendToProgram(".\n", cps);
6172 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6175 char exclusionHeader[MSG_SIZ];
6176 int exCnt, excludePtr;
6177 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6178 static Exclusion excluTab[200];
6179 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6185 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6186 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6192 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6193 excludePtr = 24; exCnt = 0;
6198 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6199 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6200 char buf[2*MOVE_LEN], *p;
6201 Exclusion *e = excluTab;
6203 for(i=0; i<exCnt; i++)
6204 if(e[i].ff == fromX && e[i].fr == fromY &&
6205 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6206 if(i == exCnt) { // was not in exclude list; add it
6207 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6208 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6209 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6212 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6213 excludePtr++; e[i].mark = excludePtr++;
6214 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6217 exclusionHeader[e[i].mark] = state;
6221 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6222 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6226 if((signed char)promoChar == -1) { // kludge to indicate best move
6227 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6228 return 1; // if unparsable, abort
6230 // update exclusion map (resolving toggle by consulting existing state)
6231 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6233 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6234 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6235 excludeMap[k] |= 1<<j;
6236 else excludeMap[k] &= ~(1<<j);
6238 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6240 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6241 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6243 return (state == '+');
6247 ExcludeClick (int index)
6250 Exclusion *e = excluTab;
6251 if(index < 25) { // none, best or tail clicked
6252 if(index < 13) { // none: include all
6253 WriteMap(0); // clear map
6254 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6255 SendToBoth("include all\n"); // and inform engine
6256 } else if(index > 18) { // tail
6257 if(exclusionHeader[19] == '-') { // tail was excluded
6258 SendToBoth("include all\n");
6259 WriteMap(0); // clear map completely
6260 // now re-exclude selected moves
6261 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6262 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6263 } else { // tail was included or in mixed state
6264 SendToBoth("exclude all\n");
6265 WriteMap(0xFF); // fill map completely
6266 // now re-include selected moves
6267 j = 0; // count them
6268 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6269 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6270 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6273 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6276 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6277 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6278 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6285 DefaultPromoChoice (int white)
6288 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6289 result = WhiteFerz; // no choice
6290 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6291 result= WhiteKing; // in Suicide Q is the last thing we want
6292 else if(gameInfo.variant == VariantSpartan)
6293 result = white ? WhiteQueen : WhiteAngel;
6294 else result = WhiteQueen;
6295 if(!white) result = WHITE_TO_BLACK result;
6299 static int autoQueen; // [HGM] oneclick
6302 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6304 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6305 /* [HGM] add Shogi promotions */
6306 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6311 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6312 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6314 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6315 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6318 piece = boards[currentMove][fromY][fromX];
6319 if(gameInfo.variant == VariantShogi) {
6320 promotionZoneSize = BOARD_HEIGHT/3;
6321 highestPromotingPiece = (int)WhiteFerz;
6322 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6323 promotionZoneSize = 3;
6326 // Treat Lance as Pawn when it is not representing Amazon
6327 if(gameInfo.variant != VariantSuper) {
6328 if(piece == WhiteLance) piece = WhitePawn; else
6329 if(piece == BlackLance) piece = BlackPawn;
6332 // next weed out all moves that do not touch the promotion zone at all
6333 if((int)piece >= BlackPawn) {
6334 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6336 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6338 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6339 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6342 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6344 // weed out mandatory Shogi promotions
6345 if(gameInfo.variant == VariantShogi) {
6346 if(piece >= BlackPawn) {
6347 if(toY == 0 && piece == BlackPawn ||
6348 toY == 0 && piece == BlackQueen ||
6349 toY <= 1 && piece == BlackKnight) {
6354 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6355 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6356 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6363 // weed out obviously illegal Pawn moves
6364 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6365 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6366 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6367 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6368 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6369 // note we are not allowed to test for valid (non-)capture, due to premove
6372 // we either have a choice what to promote to, or (in Shogi) whether to promote
6373 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6374 *promoChoice = PieceToChar(BlackFerz); // no choice
6377 // no sense asking what we must promote to if it is going to explode...
6378 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6379 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6382 // give caller the default choice even if we will not make it
6383 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6384 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6385 if( sweepSelect && gameInfo.variant != VariantGreat
6386 && gameInfo.variant != VariantGrand
6387 && gameInfo.variant != VariantSuper) return FALSE;
6388 if(autoQueen) return FALSE; // predetermined
6390 // suppress promotion popup on illegal moves that are not premoves
6391 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6392 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6393 if(appData.testLegality && !premove) {
6394 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6395 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6396 if(moveType != WhitePromotion && moveType != BlackPromotion)
6404 InPalace (int row, int column)
6405 { /* [HGM] for Xiangqi */
6406 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6407 column < (BOARD_WIDTH + 4)/2 &&
6408 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6413 PieceForSquare (int x, int y)
6415 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6418 return boards[currentMove][y][x];
6422 OKToStartUserMove (int x, int y)
6424 ChessSquare from_piece;
6427 if (matchMode) return FALSE;
6428 if (gameMode == EditPosition) return TRUE;
6430 if (x >= 0 && y >= 0)
6431 from_piece = boards[currentMove][y][x];
6433 from_piece = EmptySquare;
6435 if (from_piece == EmptySquare) return FALSE;
6437 white_piece = (int)from_piece >= (int)WhitePawn &&
6438 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6442 case TwoMachinesPlay:
6450 case MachinePlaysWhite:
6451 case IcsPlayingBlack:
6452 if (appData.zippyPlay) return FALSE;
6454 DisplayMoveError(_("You are playing Black"));
6459 case MachinePlaysBlack:
6460 case IcsPlayingWhite:
6461 if (appData.zippyPlay) return FALSE;
6463 DisplayMoveError(_("You are playing White"));
6468 case PlayFromGameFile:
6469 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6471 if (!white_piece && WhiteOnMove(currentMove)) {
6472 DisplayMoveError(_("It is White's turn"));
6475 if (white_piece && !WhiteOnMove(currentMove)) {
6476 DisplayMoveError(_("It is Black's turn"));
6479 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6480 /* Editing correspondence game history */
6481 /* Could disallow this or prompt for confirmation */
6486 case BeginningOfGame:
6487 if (appData.icsActive) return FALSE;
6488 if (!appData.noChessProgram) {
6490 DisplayMoveError(_("You are playing White"));
6497 if (!white_piece && WhiteOnMove(currentMove)) {
6498 DisplayMoveError(_("It is White's turn"));
6501 if (white_piece && !WhiteOnMove(currentMove)) {
6502 DisplayMoveError(_("It is Black's turn"));
6511 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6512 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6513 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6514 && gameMode != AnalyzeFile && gameMode != Training) {
6515 DisplayMoveError(_("Displayed position is not current"));
6522 OnlyMove (int *x, int *y, Boolean captures)
6524 DisambiguateClosure cl;
6525 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6527 case MachinePlaysBlack:
6528 case IcsPlayingWhite:
6529 case BeginningOfGame:
6530 if(!WhiteOnMove(currentMove)) return FALSE;
6532 case MachinePlaysWhite:
6533 case IcsPlayingBlack:
6534 if(WhiteOnMove(currentMove)) return FALSE;
6541 cl.pieceIn = EmptySquare;
6546 cl.promoCharIn = NULLCHAR;
6547 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6548 if( cl.kind == NormalMove ||
6549 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6550 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6551 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6558 if(cl.kind != ImpossibleMove) return FALSE;
6559 cl.pieceIn = EmptySquare;
6564 cl.promoCharIn = NULLCHAR;
6565 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6566 if( cl.kind == NormalMove ||
6567 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6568 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6569 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6574 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6580 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6581 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6582 int lastLoadGameUseList = FALSE;
6583 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6584 ChessMove lastLoadGameStart = EndOfFile;
6588 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6592 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6594 /* Check if the user is playing in turn. This is complicated because we
6595 let the user "pick up" a piece before it is his turn. So the piece he
6596 tried to pick up may have been captured by the time he puts it down!
6597 Therefore we use the color the user is supposed to be playing in this
6598 test, not the color of the piece that is currently on the starting
6599 square---except in EditGame mode, where the user is playing both
6600 sides; fortunately there the capture race can't happen. (It can
6601 now happen in IcsExamining mode, but that's just too bad. The user
6602 will get a somewhat confusing message in that case.)
6607 case TwoMachinesPlay:
6611 /* We switched into a game mode where moves are not accepted,
6612 perhaps while the mouse button was down. */
6615 case MachinePlaysWhite:
6616 /* User is moving for Black */
6617 if (WhiteOnMove(currentMove)) {
6618 DisplayMoveError(_("It is White's turn"));
6623 case MachinePlaysBlack:
6624 /* User is moving for White */
6625 if (!WhiteOnMove(currentMove)) {
6626 DisplayMoveError(_("It is Black's turn"));
6631 case PlayFromGameFile:
6632 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6635 case BeginningOfGame:
6638 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6639 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6640 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6641 /* User is moving for Black */
6642 if (WhiteOnMove(currentMove)) {
6643 DisplayMoveError(_("It is White's turn"));
6647 /* User is moving for White */
6648 if (!WhiteOnMove(currentMove)) {
6649 DisplayMoveError(_("It is Black's turn"));
6655 case IcsPlayingBlack:
6656 /* User is moving for Black */
6657 if (WhiteOnMove(currentMove)) {
6658 if (!appData.premove) {
6659 DisplayMoveError(_("It is White's turn"));
6660 } else if (toX >= 0 && toY >= 0) {
6663 premoveFromX = fromX;
6664 premoveFromY = fromY;
6665 premovePromoChar = promoChar;
6667 if (appData.debugMode)
6668 fprintf(debugFP, "Got premove: fromX %d,"
6669 "fromY %d, toX %d, toY %d\n",
6670 fromX, fromY, toX, toY);
6676 case IcsPlayingWhite:
6677 /* User is moving for White */
6678 if (!WhiteOnMove(currentMove)) {
6679 if (!appData.premove) {
6680 DisplayMoveError(_("It is Black's turn"));
6681 } else if (toX >= 0 && toY >= 0) {
6684 premoveFromX = fromX;
6685 premoveFromY = fromY;
6686 premovePromoChar = promoChar;
6688 if (appData.debugMode)
6689 fprintf(debugFP, "Got premove: fromX %d,"
6690 "fromY %d, toX %d, toY %d\n",
6691 fromX, fromY, toX, toY);
6701 /* EditPosition, empty square, or different color piece;
6702 click-click move is possible */
6703 if (toX == -2 || toY == -2) {
6704 boards[0][fromY][fromX] = EmptySquare;
6705 DrawPosition(FALSE, boards[currentMove]);
6707 } else if (toX >= 0 && toY >= 0) {
6708 boards[0][toY][toX] = boards[0][fromY][fromX];
6709 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6710 if(boards[0][fromY][0] != EmptySquare) {
6711 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6712 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6715 if(fromX == BOARD_RGHT+1) {
6716 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6717 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6718 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6721 boards[0][fromY][fromX] = gatingPiece;
6722 DrawPosition(FALSE, boards[currentMove]);
6728 if(toX < 0 || toY < 0) return;
6729 pup = boards[currentMove][toY][toX];
6731 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6732 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6733 if( pup != EmptySquare ) return;
6734 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6735 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6736 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6737 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6738 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6739 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6740 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6744 /* [HGM] always test for legality, to get promotion info */
6745 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6746 fromY, fromX, toY, toX, promoChar);
6748 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6750 /* [HGM] but possibly ignore an IllegalMove result */
6751 if (appData.testLegality) {
6752 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6753 DisplayMoveError(_("Illegal move"));
6758 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6759 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6760 ClearPremoveHighlights(); // was included
6761 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6765 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6768 /* Common tail of UserMoveEvent and DropMenuEvent */
6770 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6774 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6775 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6776 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6777 if(WhiteOnMove(currentMove)) {
6778 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6780 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6784 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6785 move type in caller when we know the move is a legal promotion */
6786 if(moveType == NormalMove && promoChar)
6787 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6789 /* [HGM] <popupFix> The following if has been moved here from
6790 UserMoveEvent(). Because it seemed to belong here (why not allow
6791 piece drops in training games?), and because it can only be
6792 performed after it is known to what we promote. */
6793 if (gameMode == Training) {
6794 /* compare the move played on the board to the next move in the
6795 * game. If they match, display the move and the opponent's response.
6796 * If they don't match, display an error message.
6800 CopyBoard(testBoard, boards[currentMove]);
6801 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6803 if (CompareBoards(testBoard, boards[currentMove+1])) {
6804 ForwardInner(currentMove+1);
6806 /* Autoplay the opponent's response.
6807 * if appData.animate was TRUE when Training mode was entered,
6808 * the response will be animated.
6810 saveAnimate = appData.animate;
6811 appData.animate = animateTraining;
6812 ForwardInner(currentMove+1);
6813 appData.animate = saveAnimate;
6815 /* check for the end of the game */
6816 if (currentMove >= forwardMostMove) {
6817 gameMode = PlayFromGameFile;
6819 SetTrainingModeOff();
6820 DisplayInformation(_("End of game"));
6823 DisplayError(_("Incorrect move"), 0);
6828 /* Ok, now we know that the move is good, so we can kill
6829 the previous line in Analysis Mode */
6830 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6831 && currentMove < forwardMostMove) {
6832 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6833 else forwardMostMove = currentMove;
6838 /* If we need the chess program but it's dead, restart it */
6839 ResurrectChessProgram();
6841 /* A user move restarts a paused game*/
6845 thinkOutput[0] = NULLCHAR;
6847 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6849 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6850 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6854 if (gameMode == BeginningOfGame) {
6855 if (appData.noChessProgram) {
6856 gameMode = EditGame;
6860 gameMode = MachinePlaysBlack;
6863 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6865 if (first.sendName) {
6866 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6867 SendToProgram(buf, &first);
6874 /* Relay move to ICS or chess engine */
6875 if (appData.icsActive) {
6876 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6877 gameMode == IcsExamining) {
6878 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6879 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6881 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6883 // also send plain move, in case ICS does not understand atomic claims
6884 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6888 if (first.sendTime && (gameMode == BeginningOfGame ||
6889 gameMode == MachinePlaysWhite ||
6890 gameMode == MachinePlaysBlack)) {
6891 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6893 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6894 // [HGM] book: if program might be playing, let it use book
6895 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6896 first.maybeThinking = TRUE;
6897 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6898 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6899 SendBoard(&first, currentMove+1);
6900 if(second.analyzing) {
6901 if(!second.useSetboard) SendToProgram("undo\n", &second);
6902 SendBoard(&second, currentMove+1);
6905 SendMoveToProgram(forwardMostMove-1, &first);
6906 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6908 if (currentMove == cmailOldMove + 1) {
6909 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6913 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6917 if(appData.testLegality)
6918 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6924 if (WhiteOnMove(currentMove)) {
6925 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6927 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6931 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6936 case MachinePlaysBlack:
6937 case MachinePlaysWhite:
6938 /* disable certain menu options while machine is thinking */
6939 SetMachineThinkingEnables();
6946 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6947 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6949 if(bookHit) { // [HGM] book: simulate book reply
6950 static char bookMove[MSG_SIZ]; // a bit generous?
6952 programStats.nodes = programStats.depth = programStats.time =
6953 programStats.score = programStats.got_only_move = 0;
6954 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6956 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6957 strcat(bookMove, bookHit);
6958 HandleMachineMove(bookMove, &first);
6964 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6966 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6967 Markers *m = (Markers *) closure;
6968 if(rf == fromY && ff == fromX)
6969 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6970 || kind == WhiteCapturesEnPassant
6971 || kind == BlackCapturesEnPassant);
6972 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6976 MarkTargetSquares (int clear)
6979 if(clear) // no reason to ever suppress clearing
6980 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6981 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6982 !appData.testLegality || gameMode == EditPosition) return;
6985 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6986 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6987 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6989 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6992 DrawPosition(FALSE, NULL);
6996 Explode (Board board, int fromX, int fromY, int toX, int toY)
6998 if(gameInfo.variant == VariantAtomic &&
6999 (board[toY][toX] != EmptySquare || // capture?
7000 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7001 board[fromY][fromX] == BlackPawn )
7003 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7009 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7012 CanPromote (ChessSquare piece, int y)
7014 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7015 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7016 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7017 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7018 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7019 gameInfo.variant == VariantMakruk) return FALSE;
7020 return (piece == BlackPawn && y == 1 ||
7021 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7022 piece == BlackLance && y == 1 ||
7023 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7027 LeftClick (ClickType clickType, int xPix, int yPix)
7030 Boolean saveAnimate;
7031 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7032 char promoChoice = NULLCHAR;
7034 static TimeMark lastClickTime, prevClickTime;
7036 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7038 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7040 if (clickType == Press) ErrorPopDown();
7042 x = EventToSquare(xPix, BOARD_WIDTH);
7043 y = EventToSquare(yPix, BOARD_HEIGHT);
7044 if (!flipView && y >= 0) {
7045 y = BOARD_HEIGHT - 1 - y;
7047 if (flipView && x >= 0) {
7048 x = BOARD_WIDTH - 1 - x;
7051 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7052 defaultPromoChoice = promoSweep;
7053 promoSweep = EmptySquare; // terminate sweep
7054 promoDefaultAltered = TRUE;
7055 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7058 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7059 if(clickType == Release) return; // ignore upclick of click-click destination
7060 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7061 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7062 if(gameInfo.holdingsWidth &&
7063 (WhiteOnMove(currentMove)
7064 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7065 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7066 // click in right holdings, for determining promotion piece
7067 ChessSquare p = boards[currentMove][y][x];
7068 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7069 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7070 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7071 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7076 DrawPosition(FALSE, boards[currentMove]);
7080 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7081 if(clickType == Press
7082 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7083 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7084 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7087 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7088 // could be static click on premove from-square: abort premove
7090 ClearPremoveHighlights();
7093 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7094 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7096 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7097 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7098 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7099 defaultPromoChoice = DefaultPromoChoice(side);
7102 autoQueen = appData.alwaysPromoteToQueen;
7106 gatingPiece = EmptySquare;
7107 if (clickType != Press) {
7108 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7109 DragPieceEnd(xPix, yPix); dragging = 0;
7110 DrawPosition(FALSE, NULL);
7114 doubleClick = FALSE;
7115 if(gameMode == AnalyzeMode && pausing && first.excludeMoves) { // use pause state to exclude moves
7116 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7118 fromX = x; fromY = y; toX = toY = -1;
7119 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7120 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7121 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7123 if (OKToStartUserMove(fromX, fromY)) {
7125 MarkTargetSquares(0);
7126 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7127 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7128 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7129 promoSweep = defaultPromoChoice;
7130 selectFlag = 0; lastX = xPix; lastY = yPix;
7131 Sweep(0); // Pawn that is going to promote: preview promotion piece
7132 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7134 if (appData.highlightDragging) {
7135 SetHighlights(fromX, fromY, -1, -1);
7139 } else fromX = fromY = -1;
7145 if (clickType == Press && gameMode != EditPosition) {
7150 // ignore off-board to clicks
7151 if(y < 0 || x < 0) return;
7153 /* Check if clicking again on the same color piece */
7154 fromP = boards[currentMove][fromY][fromX];
7155 toP = boards[currentMove][y][x];
7156 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7157 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7158 WhitePawn <= toP && toP <= WhiteKing &&
7159 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7160 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7161 (BlackPawn <= fromP && fromP <= BlackKing &&
7162 BlackPawn <= toP && toP <= BlackKing &&
7163 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7164 !(fromP == BlackKing && toP == BlackRook && frc))) {
7165 /* Clicked again on same color piece -- changed his mind */
7166 second = (x == fromX && y == fromY);
7167 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7168 second = FALSE; // first double-click rather than scond click
7169 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7171 promoDefaultAltered = FALSE;
7172 MarkTargetSquares(1);
7173 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7174 if (appData.highlightDragging) {
7175 SetHighlights(x, y, -1, -1);
7179 if (OKToStartUserMove(x, y)) {
7180 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7181 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7182 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7183 gatingPiece = boards[currentMove][fromY][fromX];
7184 else gatingPiece = doubleClick ? fromP : EmptySquare;
7186 fromY = y; dragging = 1;
7187 MarkTargetSquares(0);
7188 DragPieceBegin(xPix, yPix, FALSE);
7189 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7190 promoSweep = defaultPromoChoice;
7191 selectFlag = 0; lastX = xPix; lastY = yPix;
7192 Sweep(0); // Pawn that is going to promote: preview promotion piece
7196 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7199 // ignore clicks on holdings
7200 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7203 if (clickType == Release && x == fromX && y == fromY) {
7204 DragPieceEnd(xPix, yPix); dragging = 0;
7206 // a deferred attempt to click-click move an empty square on top of a piece
7207 boards[currentMove][y][x] = EmptySquare;
7209 DrawPosition(FALSE, boards[currentMove]);
7210 fromX = fromY = -1; clearFlag = 0;
7213 if (appData.animateDragging) {
7214 /* Undo animation damage if any */
7215 DrawPosition(FALSE, NULL);
7217 if (second || sweepSelecting) {
7218 /* Second up/down in same square; just abort move */
7219 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7220 second = sweepSelecting = 0;
7222 gatingPiece = EmptySquare;
7225 ClearPremoveHighlights();
7227 /* First upclick in same square; start click-click mode */
7228 SetHighlights(x, y, -1, -1);
7235 /* we now have a different from- and (possibly off-board) to-square */
7236 /* Completed move */
7237 if(!sweepSelecting) {
7240 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7242 saveAnimate = appData.animate;
7243 if (clickType == Press) {
7244 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7245 // must be Edit Position mode with empty-square selected
7246 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7247 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7250 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7251 if(appData.sweepSelect) {
7252 ChessSquare piece = boards[currentMove][fromY][fromX];
7253 promoSweep = defaultPromoChoice;
7254 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7255 selectFlag = 0; lastX = xPix; lastY = yPix;
7256 Sweep(0); // Pawn that is going to promote: preview promotion piece
7258 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7259 MarkTargetSquares(1);
7261 return; // promo popup appears on up-click
7263 /* Finish clickclick move */
7264 if (appData.animate || appData.highlightLastMove) {
7265 SetHighlights(fromX, fromY, toX, toY);
7271 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7272 /* Finish drag move */
7273 if (appData.highlightLastMove) {
7274 SetHighlights(fromX, fromY, toX, toY);
7279 DragPieceEnd(xPix, yPix); dragging = 0;
7280 /* Don't animate move and drag both */
7281 appData.animate = FALSE;
7284 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7285 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7286 ChessSquare piece = boards[currentMove][fromY][fromX];
7287 if(gameMode == EditPosition && piece != EmptySquare &&
7288 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7291 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7292 n = PieceToNumber(piece - (int)BlackPawn);
7293 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7294 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7295 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7297 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7298 n = PieceToNumber(piece);
7299 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7300 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7301 boards[currentMove][n][BOARD_WIDTH-2]++;
7303 boards[currentMove][fromY][fromX] = EmptySquare;
7307 MarkTargetSquares(1);
7308 DrawPosition(TRUE, boards[currentMove]);
7312 // off-board moves should not be highlighted
7313 if(x < 0 || y < 0) ClearHighlights();
7315 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7317 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7318 SetHighlights(fromX, fromY, toX, toY);
7319 MarkTargetSquares(1);
7320 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7321 // [HGM] super: promotion to captured piece selected from holdings
7322 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7323 promotionChoice = TRUE;
7324 // kludge follows to temporarily execute move on display, without promoting yet
7325 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7326 boards[currentMove][toY][toX] = p;
7327 DrawPosition(FALSE, boards[currentMove]);
7328 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7329 boards[currentMove][toY][toX] = q;
7330 DisplayMessage("Click in holdings to choose piece", "");
7335 int oldMove = currentMove;
7336 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7337 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7338 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7339 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7340 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7341 DrawPosition(TRUE, boards[currentMove]);
7342 MarkTargetSquares(1);
7345 appData.animate = saveAnimate;
7346 if (appData.animate || appData.animateDragging) {
7347 /* Undo animation damage if needed */
7348 DrawPosition(FALSE, NULL);
7353 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7354 { // front-end-free part taken out of PieceMenuPopup
7355 int whichMenu; int xSqr, ySqr;
7357 if(seekGraphUp) { // [HGM] seekgraph
7358 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7359 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7363 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7364 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7365 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7366 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7367 if(action == Press) {
7368 originalFlip = flipView;
7369 flipView = !flipView; // temporarily flip board to see game from partners perspective
7370 DrawPosition(TRUE, partnerBoard);
7371 DisplayMessage(partnerStatus, "");
7373 } else if(action == Release) {
7374 flipView = originalFlip;
7375 DrawPosition(TRUE, boards[currentMove]);
7381 xSqr = EventToSquare(x, BOARD_WIDTH);
7382 ySqr = EventToSquare(y, BOARD_HEIGHT);
7383 if (action == Release) {
7384 if(pieceSweep != EmptySquare) {
7385 EditPositionMenuEvent(pieceSweep, toX, toY);
7386 pieceSweep = EmptySquare;
7387 } else UnLoadPV(); // [HGM] pv
7389 if (action != Press) return -2; // return code to be ignored
7392 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7394 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7395 if (xSqr < 0 || ySqr < 0) return -1;
7396 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7397 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7398 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7399 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7403 if(!appData.icsEngineAnalyze) return -1;
7404 case IcsPlayingWhite:
7405 case IcsPlayingBlack:
7406 if(!appData.zippyPlay) goto noZip;
7409 case MachinePlaysWhite:
7410 case MachinePlaysBlack:
7411 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7412 if (!appData.dropMenu) {
7414 return 2; // flag front-end to grab mouse events
7416 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7417 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7420 if (xSqr < 0 || ySqr < 0) return -1;
7421 if (!appData.dropMenu || appData.testLegality &&
7422 gameInfo.variant != VariantBughouse &&
7423 gameInfo.variant != VariantCrazyhouse) return -1;
7424 whichMenu = 1; // drop menu
7430 if (((*fromX = xSqr) < 0) ||
7431 ((*fromY = ySqr) < 0)) {
7432 *fromX = *fromY = -1;
7436 *fromX = BOARD_WIDTH - 1 - *fromX;
7438 *fromY = BOARD_HEIGHT - 1 - *fromY;
7444 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7446 // char * hint = lastHint;
7447 FrontEndProgramStats stats;
7449 stats.which = cps == &first ? 0 : 1;
7450 stats.depth = cpstats->depth;
7451 stats.nodes = cpstats->nodes;
7452 stats.score = cpstats->score;
7453 stats.time = cpstats->time;
7454 stats.pv = cpstats->movelist;
7455 stats.hint = lastHint;
7456 stats.an_move_index = 0;
7457 stats.an_move_count = 0;
7459 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7460 stats.hint = cpstats->move_name;
7461 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7462 stats.an_move_count = cpstats->nr_moves;
7465 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
7467 SetProgramStats( &stats );
7471 ClearEngineOutputPane (int which)
7473 static FrontEndProgramStats dummyStats;
7474 dummyStats.which = which;
7475 dummyStats.pv = "#";
7476 SetProgramStats( &dummyStats );
7479 #define MAXPLAYERS 500
7482 TourneyStandings (int display)
7484 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7485 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7486 char result, *p, *names[MAXPLAYERS];
7488 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7489 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7490 names[0] = p = strdup(appData.participants);
7491 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7493 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7495 while(result = appData.results[nr]) {
7496 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7497 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7498 wScore = bScore = 0;
7500 case '+': wScore = 2; break;
7501 case '-': bScore = 2; break;
7502 case '=': wScore = bScore = 1; break;
7504 case '*': return strdup("busy"); // tourney not finished
7512 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7513 for(w=0; w<nPlayers; w++) {
7515 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7516 ranking[w] = b; points[w] = bScore; score[b] = -2;
7518 p = malloc(nPlayers*34+1);
7519 for(w=0; w<nPlayers && w<display; w++)
7520 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7526 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7527 { // count all piece types
7529 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7530 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7531 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7534 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7535 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7536 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7537 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7538 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7539 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7544 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7546 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7547 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7549 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7550 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7551 if(myPawns == 2 && nMine == 3) // KPP
7552 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7553 if(myPawns == 1 && nMine == 2) // KP
7554 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7555 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7556 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7557 if(myPawns) return FALSE;
7558 if(pCnt[WhiteRook+side])
7559 return pCnt[BlackRook-side] ||
7560 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7561 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7562 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7563 if(pCnt[WhiteCannon+side]) {
7564 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7565 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7567 if(pCnt[WhiteKnight+side])
7568 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7573 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7575 VariantClass v = gameInfo.variant;
7577 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7578 if(v == VariantShatranj) return TRUE; // always winnable through baring
7579 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7580 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7582 if(v == VariantXiangqi) {
7583 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7585 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7586 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7587 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7588 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7589 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7590 if(stale) // we have at least one last-rank P plus perhaps C
7591 return majors // KPKX
7592 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7594 return pCnt[WhiteFerz+side] // KCAK
7595 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7596 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7597 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7599 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7600 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7602 if(nMine == 1) return FALSE; // bare King
7603 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
7604 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7605 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7606 // by now we have King + 1 piece (or multiple Bishops on the same color)
7607 if(pCnt[WhiteKnight+side])
7608 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7609 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7610 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7612 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7613 if(pCnt[WhiteAlfil+side])
7614 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7615 if(pCnt[WhiteWazir+side])
7616 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7623 CompareWithRights (Board b1, Board b2)
7626 if(!CompareBoards(b1, b2)) return FALSE;
7627 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7628 /* compare castling rights */
7629 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7630 rights++; /* King lost rights, while rook still had them */
7631 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7632 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7633 rights++; /* but at least one rook lost them */
7635 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7637 if( b1[CASTLING][5] != NoRights ) {
7638 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7645 Adjudicate (ChessProgramState *cps)
7646 { // [HGM] some adjudications useful with buggy engines
7647 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7648 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7649 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7650 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7651 int k, count = 0; static int bare = 1;
7652 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7653 Boolean canAdjudicate = !appData.icsActive;
7655 // most tests only when we understand the game, i.e. legality-checking on
7656 if( appData.testLegality )
7657 { /* [HGM] Some more adjudications for obstinate engines */
7658 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7659 static int moveCount = 6;
7661 char *reason = NULL;
7663 /* Count what is on board. */
7664 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7666 /* Some material-based adjudications that have to be made before stalemate test */
7667 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7668 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7669 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7670 if(canAdjudicate && appData.checkMates) {
7672 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7673 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7674 "Xboard adjudication: King destroyed", GE_XBOARD );
7679 /* Bare King in Shatranj (loses) or Losers (wins) */
7680 if( nrW == 1 || nrB == 1) {
7681 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7682 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7683 if(canAdjudicate && appData.checkMates) {
7685 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7686 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7687 "Xboard adjudication: Bare king", GE_XBOARD );
7691 if( gameInfo.variant == VariantShatranj && --bare < 0)
7693 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7694 if(canAdjudicate && appData.checkMates) {
7695 /* but only adjudicate if adjudication enabled */
7697 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7698 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7699 "Xboard adjudication: Bare king", GE_XBOARD );
7706 // don't wait for engine to announce game end if we can judge ourselves
7707 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7709 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7710 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7711 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7712 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7715 reason = "Xboard adjudication: 3rd check";
7716 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7726 reason = "Xboard adjudication: Stalemate";
7727 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7728 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7729 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7730 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7731 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7732 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7733 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7734 EP_CHECKMATE : EP_WINS);
7735 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7736 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7740 reason = "Xboard adjudication: Checkmate";
7741 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7745 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7747 result = GameIsDrawn; break;
7749 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7751 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7755 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7757 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7758 GameEnds( result, reason, GE_XBOARD );
7762 /* Next absolutely insufficient mating material. */
7763 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7764 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7765 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7767 /* always flag draws, for judging claims */
7768 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7770 if(canAdjudicate && appData.materialDraws) {
7771 /* but only adjudicate them if adjudication enabled */
7772 if(engineOpponent) {
7773 SendToProgram("force\n", engineOpponent); // suppress reply
7774 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7776 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7781 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7782 if(gameInfo.variant == VariantXiangqi ?
7783 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7785 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7786 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7787 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7788 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7790 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7791 { /* if the first 3 moves do not show a tactical win, declare draw */
7792 if(engineOpponent) {
7793 SendToProgram("force\n", engineOpponent); // suppress reply
7794 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7796 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7799 } else moveCount = 6;
7802 // Repetition draws and 50-move rule can be applied independently of legality testing
7804 /* Check for rep-draws */
7806 for(k = forwardMostMove-2;
7807 k>=backwardMostMove && k>=forwardMostMove-100 &&
7808 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7809 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7812 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7813 /* compare castling rights */
7814 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7815 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7816 rights++; /* King lost rights, while rook still had them */
7817 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7818 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7819 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7820 rights++; /* but at least one rook lost them */
7822 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7823 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7825 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7826 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7827 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7830 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7831 && appData.drawRepeats > 1) {
7832 /* adjudicate after user-specified nr of repeats */
7833 int result = GameIsDrawn;
7834 char *details = "XBoard adjudication: repetition draw";
7835 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7836 // [HGM] xiangqi: check for forbidden perpetuals
7837 int m, ourPerpetual = 1, hisPerpetual = 1;
7838 for(m=forwardMostMove; m>k; m-=2) {
7839 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7840 ourPerpetual = 0; // the current mover did not always check
7841 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7842 hisPerpetual = 0; // the opponent did not always check
7844 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7845 ourPerpetual, hisPerpetual);
7846 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7847 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7848 details = "Xboard adjudication: perpetual checking";
7850 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7851 break; // (or we would have caught him before). Abort repetition-checking loop.
7853 // Now check for perpetual chases
7854 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7855 hisPerpetual = PerpetualChase(k, forwardMostMove);
7856 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7857 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7858 static char resdet[MSG_SIZ];
7859 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7861 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7863 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7864 break; // Abort repetition-checking loop.
7866 // if neither of us is checking or chasing all the time, or both are, it is draw
7868 if(engineOpponent) {
7869 SendToProgram("force\n", engineOpponent); // suppress reply
7870 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7872 GameEnds( result, details, GE_XBOARD );
7875 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7876 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7880 /* Now we test for 50-move draws. Determine ply count */
7881 count = forwardMostMove;
7882 /* look for last irreversble move */
7883 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7885 /* if we hit starting position, add initial plies */
7886 if( count == backwardMostMove )
7887 count -= initialRulePlies;
7888 count = forwardMostMove - count;
7889 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7890 // adjust reversible move counter for checks in Xiangqi
7891 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7892 if(i < backwardMostMove) i = backwardMostMove;
7893 while(i <= forwardMostMove) {
7894 lastCheck = inCheck; // check evasion does not count
7895 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7896 if(inCheck || lastCheck) count--; // check does not count
7901 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7902 /* this is used to judge if draw claims are legal */
7903 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7904 if(engineOpponent) {
7905 SendToProgram("force\n", engineOpponent); // suppress reply
7906 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7908 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7912 /* if draw offer is pending, treat it as a draw claim
7913 * when draw condition present, to allow engines a way to
7914 * claim draws before making their move to avoid a race
7915 * condition occurring after their move
7917 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7919 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7920 p = "Draw claim: 50-move rule";
7921 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7922 p = "Draw claim: 3-fold repetition";
7923 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7924 p = "Draw claim: insufficient mating material";
7925 if( p != NULL && canAdjudicate) {
7926 if(engineOpponent) {
7927 SendToProgram("force\n", engineOpponent); // suppress reply
7928 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7930 GameEnds( GameIsDrawn, p, GE_XBOARD );
7935 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7936 if(engineOpponent) {
7937 SendToProgram("force\n", engineOpponent); // suppress reply
7938 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7940 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7947 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7948 { // [HGM] book: this routine intercepts moves to simulate book replies
7949 char *bookHit = NULL;
7951 //first determine if the incoming move brings opponent into his book
7952 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7953 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7954 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7955 if(bookHit != NULL && !cps->bookSuspend) {
7956 // make sure opponent is not going to reply after receiving move to book position
7957 SendToProgram("force\n", cps);
7958 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7960 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7961 // now arrange restart after book miss
7963 // after a book hit we never send 'go', and the code after the call to this routine
7964 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7965 char buf[MSG_SIZ], *move = bookHit;
7967 int fromX, fromY, toX, toY;
7971 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7972 &fromX, &fromY, &toX, &toY, &promoChar)) {
7973 (void) CoordsToAlgebraic(boards[forwardMostMove],
7974 PosFlags(forwardMostMove),
7975 fromY, fromX, toY, toX, promoChar, move);
7977 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7981 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7982 SendToProgram(buf, cps);
7983 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7984 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7985 SendToProgram("go\n", cps);
7986 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7987 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7988 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7989 SendToProgram("go\n", cps);
7990 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7992 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7996 LoadError (char *errmess, ChessProgramState *cps)
7997 { // unloads engine and switches back to -ncp mode if it was first
7998 if(cps->initDone) return FALSE;
7999 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8000 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8003 appData.noChessProgram = TRUE;
8004 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8005 gameMode = BeginningOfGame; ModeHighlight();
8008 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8009 DisplayMessage("", ""); // erase waiting message
8010 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8015 ChessProgramState *savedState;
8017 DeferredBookMove (void)
8019 if(savedState->lastPing != savedState->lastPong)
8020 ScheduleDelayedEvent(DeferredBookMove, 10);
8022 HandleMachineMove(savedMessage, savedState);
8025 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8028 HandleMachineMove (char *message, ChessProgramState *cps)
8030 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8031 char realname[MSG_SIZ];
8032 int fromX, fromY, toX, toY;
8036 int machineWhite, oldError;
8039 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8040 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8041 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8042 DisplayError(_("Invalid pairing from pairing engine"), 0);
8045 pairingReceived = 1;
8047 return; // Skim the pairing messages here.
8050 oldError = cps->userError; cps->userError = 0;
8052 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8054 * Kludge to ignore BEL characters
8056 while (*message == '\007') message++;
8059 * [HGM] engine debug message: ignore lines starting with '#' character
8061 if(cps->debug && *message == '#') return;
8064 * Look for book output
8066 if (cps == &first && bookRequested) {
8067 if (message[0] == '\t' || message[0] == ' ') {
8068 /* Part of the book output is here; append it */
8069 strcat(bookOutput, message);
8070 strcat(bookOutput, " \n");
8072 } else if (bookOutput[0] != NULLCHAR) {
8073 /* All of book output has arrived; display it */
8074 char *p = bookOutput;
8075 while (*p != NULLCHAR) {
8076 if (*p == '\t') *p = ' ';
8079 DisplayInformation(bookOutput);
8080 bookRequested = FALSE;
8081 /* Fall through to parse the current output */
8086 * Look for machine move.
8088 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8089 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8091 /* This method is only useful on engines that support ping */
8092 if (cps->lastPing != cps->lastPong) {
8093 if (gameMode == BeginningOfGame) {
8094 /* Extra move from before last new; ignore */
8095 if (appData.debugMode) {
8096 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8099 if (appData.debugMode) {
8100 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8101 cps->which, gameMode);
8104 SendToProgram("undo\n", cps);
8110 case BeginningOfGame:
8111 /* Extra move from before last reset; ignore */
8112 if (appData.debugMode) {
8113 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8120 /* Extra move after we tried to stop. The mode test is
8121 not a reliable way of detecting this problem, but it's
8122 the best we can do on engines that don't support ping.
8124 if (appData.debugMode) {
8125 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8126 cps->which, gameMode);
8128 SendToProgram("undo\n", cps);
8131 case MachinePlaysWhite:
8132 case IcsPlayingWhite:
8133 machineWhite = TRUE;
8136 case MachinePlaysBlack:
8137 case IcsPlayingBlack:
8138 machineWhite = FALSE;
8141 case TwoMachinesPlay:
8142 machineWhite = (cps->twoMachinesColor[0] == 'w');
8145 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8146 if (appData.debugMode) {
8148 "Ignoring move out of turn by %s, gameMode %d"
8149 ", forwardMost %d\n",
8150 cps->which, gameMode, forwardMostMove);
8155 if(cps->alphaRank) AlphaRank(machineMove, 4);
8156 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8157 &fromX, &fromY, &toX, &toY, &promoChar)) {
8158 /* Machine move could not be parsed; ignore it. */
8159 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8160 machineMove, _(cps->which));
8161 DisplayError(buf1, 0);
8162 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8163 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8164 if (gameMode == TwoMachinesPlay) {
8165 GameEnds(machineWhite ? BlackWins : WhiteWins,
8171 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8172 /* So we have to redo legality test with true e.p. status here, */
8173 /* to make sure an illegal e.p. capture does not slip through, */
8174 /* to cause a forfeit on a justified illegal-move complaint */
8175 /* of the opponent. */
8176 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8178 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8179 fromY, fromX, toY, toX, promoChar);
8180 if(moveType == IllegalMove) {
8181 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8182 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8183 GameEnds(machineWhite ? BlackWins : WhiteWins,
8186 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8187 /* [HGM] Kludge to handle engines that send FRC-style castling
8188 when they shouldn't (like TSCP-Gothic) */
8190 case WhiteASideCastleFR:
8191 case BlackASideCastleFR:
8193 currentMoveString[2]++;
8195 case WhiteHSideCastleFR:
8196 case BlackHSideCastleFR:
8198 currentMoveString[2]--;
8200 default: ; // nothing to do, but suppresses warning of pedantic compilers
8203 hintRequested = FALSE;
8204 lastHint[0] = NULLCHAR;
8205 bookRequested = FALSE;
8206 /* Program may be pondering now */
8207 cps->maybeThinking = TRUE;
8208 if (cps->sendTime == 2) cps->sendTime = 1;
8209 if (cps->offeredDraw) cps->offeredDraw--;
8211 /* [AS] Save move info*/
8212 pvInfoList[ forwardMostMove ].score = programStats.score;
8213 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8214 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8216 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8218 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8219 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8222 while( count < adjudicateLossPlies ) {
8223 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8226 score = -score; /* Flip score for winning side */
8229 if( score > adjudicateLossThreshold ) {
8236 if( count >= adjudicateLossPlies ) {
8237 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8239 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8240 "Xboard adjudication",
8247 if(Adjudicate(cps)) {
8248 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8249 return; // [HGM] adjudicate: for all automatic game ends
8253 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8255 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8256 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8258 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8260 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8262 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8263 char buf[3*MSG_SIZ];
8265 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8266 programStats.score / 100.,
8268 programStats.time / 100.,
8269 (unsigned int)programStats.nodes,
8270 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8271 programStats.movelist);
8273 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8278 /* [AS] Clear stats for next move */
8279 ClearProgramStats();
8280 thinkOutput[0] = NULLCHAR;
8281 hiddenThinkOutputState = 0;
8284 if (gameMode == TwoMachinesPlay) {
8285 /* [HGM] relaying draw offers moved to after reception of move */
8286 /* and interpreting offer as claim if it brings draw condition */
8287 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8288 SendToProgram("draw\n", cps->other);
8290 if (cps->other->sendTime) {
8291 SendTimeRemaining(cps->other,
8292 cps->other->twoMachinesColor[0] == 'w');
8294 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8295 if (firstMove && !bookHit) {
8297 if (cps->other->useColors) {
8298 SendToProgram(cps->other->twoMachinesColor, cps->other);
8300 SendToProgram("go\n", cps->other);
8302 cps->other->maybeThinking = TRUE;
8305 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8307 if (!pausing && appData.ringBellAfterMoves) {
8312 * Reenable menu items that were disabled while
8313 * machine was thinking
8315 if (gameMode != TwoMachinesPlay)
8316 SetUserThinkingEnables();
8318 // [HGM] book: after book hit opponent has received move and is now in force mode
8319 // force the book reply into it, and then fake that it outputted this move by jumping
8320 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8322 static char bookMove[MSG_SIZ]; // a bit generous?
8324 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8325 strcat(bookMove, bookHit);
8328 programStats.nodes = programStats.depth = programStats.time =
8329 programStats.score = programStats.got_only_move = 0;
8330 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8332 if(cps->lastPing != cps->lastPong) {
8333 savedMessage = message; // args for deferred call
8335 ScheduleDelayedEvent(DeferredBookMove, 10);
8344 /* Set special modes for chess engines. Later something general
8345 * could be added here; for now there is just one kludge feature,
8346 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8347 * when "xboard" is given as an interactive command.
8349 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8350 cps->useSigint = FALSE;
8351 cps->useSigterm = FALSE;
8353 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8354 ParseFeatures(message+8, cps);
8355 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8358 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8359 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8360 int dummy, s=6; char buf[MSG_SIZ];
8361 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8362 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8363 if(startedFromSetupPosition) return;
8364 ParseFEN(boards[0], &dummy, message+s);
8365 DrawPosition(TRUE, boards[0]);
8366 startedFromSetupPosition = TRUE;
8369 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8370 * want this, I was asked to put it in, and obliged.
8372 if (!strncmp(message, "setboard ", 9)) {
8373 Board initial_position;
8375 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8377 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8378 DisplayError(_("Bad FEN received from engine"), 0);
8382 CopyBoard(boards[0], initial_position);
8383 initialRulePlies = FENrulePlies;
8384 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8385 else gameMode = MachinePlaysBlack;
8386 DrawPosition(FALSE, boards[currentMove]);
8392 * Look for communication commands
8394 if (!strncmp(message, "telluser ", 9)) {
8395 if(message[9] == '\\' && message[10] == '\\')
8396 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8398 DisplayNote(message + 9);
8401 if (!strncmp(message, "tellusererror ", 14)) {
8403 if(message[14] == '\\' && message[15] == '\\')
8404 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8406 DisplayError(message + 14, 0);
8409 if (!strncmp(message, "tellopponent ", 13)) {
8410 if (appData.icsActive) {
8412 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8416 DisplayNote(message + 13);
8420 if (!strncmp(message, "tellothers ", 11)) {
8421 if (appData.icsActive) {
8423 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8429 if (!strncmp(message, "tellall ", 8)) {
8430 if (appData.icsActive) {
8432 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8436 DisplayNote(message + 8);
8440 if (strncmp(message, "warning", 7) == 0) {
8441 /* Undocumented feature, use tellusererror in new code */
8442 DisplayError(message, 0);
8445 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8446 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8447 strcat(realname, " query");
8448 AskQuestion(realname, buf2, buf1, cps->pr);
8451 /* Commands from the engine directly to ICS. We don't allow these to be
8452 * sent until we are logged on. Crafty kibitzes have been known to
8453 * interfere with the login process.
8456 if (!strncmp(message, "tellics ", 8)) {
8457 SendToICS(message + 8);
8461 if (!strncmp(message, "tellicsnoalias ", 15)) {
8462 SendToICS(ics_prefix);
8463 SendToICS(message + 15);
8467 /* The following are for backward compatibility only */
8468 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8469 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8470 SendToICS(ics_prefix);
8476 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8480 * If the move is illegal, cancel it and redraw the board.
8481 * Also deal with other error cases. Matching is rather loose
8482 * here to accommodate engines written before the spec.
8484 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8485 strncmp(message, "Error", 5) == 0) {
8486 if (StrStr(message, "name") ||
8487 StrStr(message, "rating") || StrStr(message, "?") ||
8488 StrStr(message, "result") || StrStr(message, "board") ||
8489 StrStr(message, "bk") || StrStr(message, "computer") ||
8490 StrStr(message, "variant") || StrStr(message, "hint") ||
8491 StrStr(message, "random") || StrStr(message, "depth") ||
8492 StrStr(message, "accepted")) {
8495 if (StrStr(message, "protover")) {
8496 /* Program is responding to input, so it's apparently done
8497 initializing, and this error message indicates it is
8498 protocol version 1. So we don't need to wait any longer
8499 for it to initialize and send feature commands. */
8500 FeatureDone(cps, 1);
8501 cps->protocolVersion = 1;
8504 cps->maybeThinking = FALSE;
8506 if (StrStr(message, "draw")) {
8507 /* Program doesn't have "draw" command */
8508 cps->sendDrawOffers = 0;
8511 if (cps->sendTime != 1 &&
8512 (StrStr(message, "time") || StrStr(message, "otim"))) {
8513 /* Program apparently doesn't have "time" or "otim" command */
8517 if (StrStr(message, "analyze")) {
8518 cps->analysisSupport = FALSE;
8519 cps->analyzing = FALSE;
8520 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8521 EditGameEvent(); // [HGM] try to preserve loaded game
8522 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8523 DisplayError(buf2, 0);
8526 if (StrStr(message, "(no matching move)st")) {
8527 /* Special kludge for GNU Chess 4 only */
8528 cps->stKludge = TRUE;
8529 SendTimeControl(cps, movesPerSession, timeControl,
8530 timeIncrement, appData.searchDepth,
8534 if (StrStr(message, "(no matching move)sd")) {
8535 /* Special kludge for GNU Chess 4 only */
8536 cps->sdKludge = TRUE;
8537 SendTimeControl(cps, movesPerSession, timeControl,
8538 timeIncrement, appData.searchDepth,
8542 if (!StrStr(message, "llegal")) {
8545 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8546 gameMode == IcsIdle) return;
8547 if (forwardMostMove <= backwardMostMove) return;
8548 if (pausing) PauseEvent();
8549 if(appData.forceIllegal) {
8550 // [HGM] illegal: machine refused move; force position after move into it
8551 SendToProgram("force\n", cps);
8552 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8553 // we have a real problem now, as SendBoard will use the a2a3 kludge
8554 // when black is to move, while there might be nothing on a2 or black
8555 // might already have the move. So send the board as if white has the move.
8556 // But first we must change the stm of the engine, as it refused the last move
8557 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8558 if(WhiteOnMove(forwardMostMove)) {
8559 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8560 SendBoard(cps, forwardMostMove); // kludgeless board
8562 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8563 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8564 SendBoard(cps, forwardMostMove+1); // kludgeless board
8566 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8567 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8568 gameMode == TwoMachinesPlay)
8569 SendToProgram("go\n", cps);
8572 if (gameMode == PlayFromGameFile) {
8573 /* Stop reading this game file */
8574 gameMode = EditGame;
8577 /* [HGM] illegal-move claim should forfeit game when Xboard */
8578 /* only passes fully legal moves */
8579 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8580 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8581 "False illegal-move claim", GE_XBOARD );
8582 return; // do not take back move we tested as valid
8584 currentMove = forwardMostMove-1;
8585 DisplayMove(currentMove-1); /* before DisplayMoveError */
8586 SwitchClocks(forwardMostMove-1); // [HGM] race
8587 DisplayBothClocks();
8588 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8589 parseList[currentMove], _(cps->which));
8590 DisplayMoveError(buf1);
8591 DrawPosition(FALSE, boards[currentMove]);
8593 SetUserThinkingEnables();
8596 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8597 /* Program has a broken "time" command that
8598 outputs a string not ending in newline.
8604 * If chess program startup fails, exit with an error message.
8605 * Attempts to recover here are futile. [HGM] Well, we try anyway
8607 if ((StrStr(message, "unknown host") != NULL)
8608 || (StrStr(message, "No remote directory") != NULL)
8609 || (StrStr(message, "not found") != NULL)
8610 || (StrStr(message, "No such file") != NULL)
8611 || (StrStr(message, "can't alloc") != NULL)
8612 || (StrStr(message, "Permission denied") != NULL)) {
8614 cps->maybeThinking = FALSE;
8615 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8616 _(cps->which), cps->program, cps->host, message);
8617 RemoveInputSource(cps->isr);
8618 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8619 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8620 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8626 * Look for hint output
8628 if (sscanf(message, "Hint: %s", buf1) == 1) {
8629 if (cps == &first && hintRequested) {
8630 hintRequested = FALSE;
8631 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8632 &fromX, &fromY, &toX, &toY, &promoChar)) {
8633 (void) CoordsToAlgebraic(boards[forwardMostMove],
8634 PosFlags(forwardMostMove),
8635 fromY, fromX, toY, toX, promoChar, buf1);
8636 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8637 DisplayInformation(buf2);
8639 /* Hint move could not be parsed!? */
8640 snprintf(buf2, sizeof(buf2),
8641 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8642 buf1, _(cps->which));
8643 DisplayError(buf2, 0);
8646 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8652 * Ignore other messages if game is not in progress
8654 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8655 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8658 * look for win, lose, draw, or draw offer
8660 if (strncmp(message, "1-0", 3) == 0) {
8661 char *p, *q, *r = "";
8662 p = strchr(message, '{');
8670 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8672 } else if (strncmp(message, "0-1", 3) == 0) {
8673 char *p, *q, *r = "";
8674 p = strchr(message, '{');
8682 /* Kludge for Arasan 4.1 bug */
8683 if (strcmp(r, "Black resigns") == 0) {
8684 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8687 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8689 } else if (strncmp(message, "1/2", 3) == 0) {
8690 char *p, *q, *r = "";
8691 p = strchr(message, '{');
8700 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8703 } else if (strncmp(message, "White resign", 12) == 0) {
8704 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8706 } else if (strncmp(message, "Black resign", 12) == 0) {
8707 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8709 } else if (strncmp(message, "White matches", 13) == 0 ||
8710 strncmp(message, "Black matches", 13) == 0 ) {
8711 /* [HGM] ignore GNUShogi noises */
8713 } else if (strncmp(message, "White", 5) == 0 &&
8714 message[5] != '(' &&
8715 StrStr(message, "Black") == NULL) {
8716 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8718 } else if (strncmp(message, "Black", 5) == 0 &&
8719 message[5] != '(') {
8720 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8722 } else if (strcmp(message, "resign") == 0 ||
8723 strcmp(message, "computer resigns") == 0) {
8725 case MachinePlaysBlack:
8726 case IcsPlayingBlack:
8727 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8729 case MachinePlaysWhite:
8730 case IcsPlayingWhite:
8731 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8733 case TwoMachinesPlay:
8734 if (cps->twoMachinesColor[0] == 'w')
8735 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8737 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8744 } else if (strncmp(message, "opponent mates", 14) == 0) {
8746 case MachinePlaysBlack:
8747 case IcsPlayingBlack:
8748 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8750 case MachinePlaysWhite:
8751 case IcsPlayingWhite:
8752 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8754 case TwoMachinesPlay:
8755 if (cps->twoMachinesColor[0] == 'w')
8756 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8758 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8765 } else if (strncmp(message, "computer mates", 14) == 0) {
8767 case MachinePlaysBlack:
8768 case IcsPlayingBlack:
8769 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8771 case MachinePlaysWhite:
8772 case IcsPlayingWhite:
8773 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8775 case TwoMachinesPlay:
8776 if (cps->twoMachinesColor[0] == 'w')
8777 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8779 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8786 } else if (strncmp(message, "checkmate", 9) == 0) {
8787 if (WhiteOnMove(forwardMostMove)) {
8788 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8790 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8793 } else if (strstr(message, "Draw") != NULL ||
8794 strstr(message, "game is a draw") != NULL) {
8795 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8797 } else if (strstr(message, "offer") != NULL &&
8798 strstr(message, "draw") != NULL) {
8800 if (appData.zippyPlay && first.initDone) {
8801 /* Relay offer to ICS */
8802 SendToICS(ics_prefix);
8803 SendToICS("draw\n");
8806 cps->offeredDraw = 2; /* valid until this engine moves twice */
8807 if (gameMode == TwoMachinesPlay) {
8808 if (cps->other->offeredDraw) {
8809 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8810 /* [HGM] in two-machine mode we delay relaying draw offer */
8811 /* until after we also have move, to see if it is really claim */
8813 } else if (gameMode == MachinePlaysWhite ||
8814 gameMode == MachinePlaysBlack) {
8815 if (userOfferedDraw) {
8816 DisplayInformation(_("Machine accepts your draw offer"));
8817 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8819 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8826 * Look for thinking output
8828 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8829 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8831 int plylev, mvleft, mvtot, curscore, time;
8832 char mvname[MOVE_LEN];
8836 int prefixHint = FALSE;
8837 mvname[0] = NULLCHAR;
8840 case MachinePlaysBlack:
8841 case IcsPlayingBlack:
8842 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8844 case MachinePlaysWhite:
8845 case IcsPlayingWhite:
8846 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8851 case IcsObserving: /* [DM] icsEngineAnalyze */
8852 if (!appData.icsEngineAnalyze) ignore = TRUE;
8854 case TwoMachinesPlay:
8855 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8865 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8867 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8868 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8870 if (plyext != ' ' && plyext != '\t') {
8874 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8875 if( cps->scoreIsAbsolute &&
8876 ( gameMode == MachinePlaysBlack ||
8877 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8878 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8879 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8880 !WhiteOnMove(currentMove)
8883 curscore = -curscore;
8886 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8888 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8891 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8892 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8893 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8894 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8895 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8896 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8898 } else DisplayError(_("failed writing PV"), 0);
8901 tempStats.depth = plylev;
8902 tempStats.nodes = nodes;
8903 tempStats.time = time;
8904 tempStats.score = curscore;
8905 tempStats.got_only_move = 0;
8907 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8910 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8911 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8912 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8913 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8914 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8915 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8916 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8917 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8920 /* Buffer overflow protection */
8921 if (pv[0] != NULLCHAR) {
8922 if (strlen(pv) >= sizeof(tempStats.movelist)
8923 && appData.debugMode) {
8925 "PV is too long; using the first %u bytes.\n",
8926 (unsigned) sizeof(tempStats.movelist) - 1);
8929 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8931 sprintf(tempStats.movelist, " no PV\n");
8934 if (tempStats.seen_stat) {
8935 tempStats.ok_to_send = 1;
8938 if (strchr(tempStats.movelist, '(') != NULL) {
8939 tempStats.line_is_book = 1;
8940 tempStats.nr_moves = 0;
8941 tempStats.moves_left = 0;
8943 tempStats.line_is_book = 0;
8946 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8947 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8949 SendProgramStatsToFrontend( cps, &tempStats );
8952 [AS] Protect the thinkOutput buffer from overflow... this
8953 is only useful if buf1 hasn't overflowed first!
8955 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8957 (gameMode == TwoMachinesPlay ?
8958 ToUpper(cps->twoMachinesColor[0]) : ' '),
8959 ((double) curscore) / 100.0,
8960 prefixHint ? lastHint : "",
8961 prefixHint ? " " : "" );
8963 if( buf1[0] != NULLCHAR ) {
8964 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8966 if( strlen(pv) > max_len ) {
8967 if( appData.debugMode) {
8968 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8970 pv[max_len+1] = '\0';
8973 strcat( thinkOutput, pv);
8976 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8977 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8978 DisplayMove(currentMove - 1);
8982 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8983 /* crafty (9.25+) says "(only move) <move>"
8984 * if there is only 1 legal move
8986 sscanf(p, "(only move) %s", buf1);
8987 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8988 sprintf(programStats.movelist, "%s (only move)", buf1);
8989 programStats.depth = 1;
8990 programStats.nr_moves = 1;
8991 programStats.moves_left = 1;
8992 programStats.nodes = 1;
8993 programStats.time = 1;
8994 programStats.got_only_move = 1;
8996 /* Not really, but we also use this member to
8997 mean "line isn't going to change" (Crafty
8998 isn't searching, so stats won't change) */
8999 programStats.line_is_book = 1;
9001 SendProgramStatsToFrontend( cps, &programStats );
9003 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9004 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9005 DisplayMove(currentMove - 1);
9008 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9009 &time, &nodes, &plylev, &mvleft,
9010 &mvtot, mvname) >= 5) {
9011 /* The stat01: line is from Crafty (9.29+) in response
9012 to the "." command */
9013 programStats.seen_stat = 1;
9014 cps->maybeThinking = TRUE;
9016 if (programStats.got_only_move || !appData.periodicUpdates)
9019 programStats.depth = plylev;
9020 programStats.time = time;
9021 programStats.nodes = nodes;
9022 programStats.moves_left = mvleft;
9023 programStats.nr_moves = mvtot;
9024 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9025 programStats.ok_to_send = 1;
9026 programStats.movelist[0] = '\0';
9028 SendProgramStatsToFrontend( cps, &programStats );
9032 } else if (strncmp(message,"++",2) == 0) {
9033 /* Crafty 9.29+ outputs this */
9034 programStats.got_fail = 2;
9037 } else if (strncmp(message,"--",2) == 0) {
9038 /* Crafty 9.29+ outputs this */
9039 programStats.got_fail = 1;
9042 } else if (thinkOutput[0] != NULLCHAR &&
9043 strncmp(message, " ", 4) == 0) {
9044 unsigned message_len;
9047 while (*p && *p == ' ') p++;
9049 message_len = strlen( p );
9051 /* [AS] Avoid buffer overflow */
9052 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9053 strcat(thinkOutput, " ");
9054 strcat(thinkOutput, p);
9057 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9058 strcat(programStats.movelist, " ");
9059 strcat(programStats.movelist, p);
9062 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9063 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9064 DisplayMove(currentMove - 1);
9072 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9073 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9075 ChessProgramStats cpstats;
9077 if (plyext != ' ' && plyext != '\t') {
9081 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9082 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9083 curscore = -curscore;
9086 cpstats.depth = plylev;
9087 cpstats.nodes = nodes;
9088 cpstats.time = time;
9089 cpstats.score = curscore;
9090 cpstats.got_only_move = 0;
9091 cpstats.movelist[0] = '\0';
9093 if (buf1[0] != NULLCHAR) {
9094 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9097 cpstats.ok_to_send = 0;
9098 cpstats.line_is_book = 0;
9099 cpstats.nr_moves = 0;
9100 cpstats.moves_left = 0;
9102 SendProgramStatsToFrontend( cps, &cpstats );
9109 /* Parse a game score from the character string "game", and
9110 record it as the history of the current game. The game
9111 score is NOT assumed to start from the standard position.
9112 The display is not updated in any way.
9115 ParseGameHistory (char *game)
9118 int fromX, fromY, toX, toY, boardIndex;
9123 if (appData.debugMode)
9124 fprintf(debugFP, "Parsing game history: %s\n", game);
9126 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9127 gameInfo.site = StrSave(appData.icsHost);
9128 gameInfo.date = PGNDate();
9129 gameInfo.round = StrSave("-");
9131 /* Parse out names of players */
9132 while (*game == ' ') game++;
9134 while (*game != ' ') *p++ = *game++;
9136 gameInfo.white = StrSave(buf);
9137 while (*game == ' ') game++;
9139 while (*game != ' ' && *game != '\n') *p++ = *game++;
9141 gameInfo.black = StrSave(buf);
9144 boardIndex = blackPlaysFirst ? 1 : 0;
9147 yyboardindex = boardIndex;
9148 moveType = (ChessMove) Myylex();
9150 case IllegalMove: /* maybe suicide chess, etc. */
9151 if (appData.debugMode) {
9152 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9153 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9154 setbuf(debugFP, NULL);
9156 case WhitePromotion:
9157 case BlackPromotion:
9158 case WhiteNonPromotion:
9159 case BlackNonPromotion:
9161 case WhiteCapturesEnPassant:
9162 case BlackCapturesEnPassant:
9163 case WhiteKingSideCastle:
9164 case WhiteQueenSideCastle:
9165 case BlackKingSideCastle:
9166 case BlackQueenSideCastle:
9167 case WhiteKingSideCastleWild:
9168 case WhiteQueenSideCastleWild:
9169 case BlackKingSideCastleWild:
9170 case BlackQueenSideCastleWild:
9172 case WhiteHSideCastleFR:
9173 case WhiteASideCastleFR:
9174 case BlackHSideCastleFR:
9175 case BlackASideCastleFR:
9177 fromX = currentMoveString[0] - AAA;
9178 fromY = currentMoveString[1] - ONE;
9179 toX = currentMoveString[2] - AAA;
9180 toY = currentMoveString[3] - ONE;
9181 promoChar = currentMoveString[4];
9185 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9186 fromX = moveType == WhiteDrop ?
9187 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9188 (int) CharToPiece(ToLower(currentMoveString[0]));
9190 toX = currentMoveString[2] - AAA;
9191 toY = currentMoveString[3] - ONE;
9192 promoChar = NULLCHAR;
9196 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9197 if (appData.debugMode) {
9198 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9199 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9200 setbuf(debugFP, NULL);
9202 DisplayError(buf, 0);
9204 case ImpossibleMove:
9206 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9207 if (appData.debugMode) {
9208 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9209 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9210 setbuf(debugFP, NULL);
9212 DisplayError(buf, 0);
9215 if (boardIndex < backwardMostMove) {
9216 /* Oops, gap. How did that happen? */
9217 DisplayError(_("Gap in move list"), 0);
9220 backwardMostMove = blackPlaysFirst ? 1 : 0;
9221 if (boardIndex > forwardMostMove) {
9222 forwardMostMove = boardIndex;
9226 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9227 strcat(parseList[boardIndex-1], " ");
9228 strcat(parseList[boardIndex-1], yy_text);
9240 case GameUnfinished:
9241 if (gameMode == IcsExamining) {
9242 if (boardIndex < backwardMostMove) {
9243 /* Oops, gap. How did that happen? */
9246 backwardMostMove = blackPlaysFirst ? 1 : 0;
9249 gameInfo.result = moveType;
9250 p = strchr(yy_text, '{');
9251 if (p == NULL) p = strchr(yy_text, '(');
9254 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9256 q = strchr(p, *p == '{' ? '}' : ')');
9257 if (q != NULL) *q = NULLCHAR;
9260 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9261 gameInfo.resultDetails = StrSave(p);
9264 if (boardIndex >= forwardMostMove &&
9265 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9266 backwardMostMove = blackPlaysFirst ? 1 : 0;
9269 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9270 fromY, fromX, toY, toX, promoChar,
9271 parseList[boardIndex]);
9272 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9273 /* currentMoveString is set as a side-effect of yylex */
9274 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9275 strcat(moveList[boardIndex], "\n");
9277 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9278 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9284 if(gameInfo.variant != VariantShogi)
9285 strcat(parseList[boardIndex - 1], "+");
9289 strcat(parseList[boardIndex - 1], "#");
9296 /* Apply a move to the given board */
9298 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9300 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9301 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9303 /* [HGM] compute & store e.p. status and castling rights for new position */
9304 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9306 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9307 oldEP = (signed char)board[EP_STATUS];
9308 board[EP_STATUS] = EP_NONE;
9310 if (fromY == DROP_RANK) {
9312 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9313 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9316 piece = board[toY][toX] = (ChessSquare) fromX;
9320 if( board[toY][toX] != EmptySquare )
9321 board[EP_STATUS] = EP_CAPTURE;
9323 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9324 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9325 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9327 if( board[fromY][fromX] == WhitePawn ) {
9328 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9329 board[EP_STATUS] = EP_PAWN_MOVE;
9331 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9332 gameInfo.variant != VariantBerolina || toX < fromX)
9333 board[EP_STATUS] = toX | berolina;
9334 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9335 gameInfo.variant != VariantBerolina || toX > fromX)
9336 board[EP_STATUS] = toX;
9339 if( board[fromY][fromX] == BlackPawn ) {
9340 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9341 board[EP_STATUS] = EP_PAWN_MOVE;
9342 if( toY-fromY== -2) {
9343 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9344 gameInfo.variant != VariantBerolina || toX < fromX)
9345 board[EP_STATUS] = toX | berolina;
9346 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9347 gameInfo.variant != VariantBerolina || toX > fromX)
9348 board[EP_STATUS] = toX;
9352 for(i=0; i<nrCastlingRights; i++) {
9353 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9354 board[CASTLING][i] == toX && castlingRank[i] == toY
9355 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9358 if(gameInfo.variant == VariantSChess) { // update virginity
9359 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9360 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9361 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9362 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9365 if (fromX == toX && fromY == toY) return;
9367 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9368 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9369 if(gameInfo.variant == VariantKnightmate)
9370 king += (int) WhiteUnicorn - (int) WhiteKing;
9372 /* Code added by Tord: */
9373 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9374 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9375 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9376 board[fromY][fromX] = EmptySquare;
9377 board[toY][toX] = EmptySquare;
9378 if((toX > fromX) != (piece == WhiteRook)) {
9379 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9381 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9383 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9384 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9385 board[fromY][fromX] = EmptySquare;
9386 board[toY][toX] = EmptySquare;
9387 if((toX > fromX) != (piece == BlackRook)) {
9388 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9390 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9392 /* End of code added by Tord */
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 ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9409 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9410 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9412 /* white pawn promotion */
9413 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9414 if(gameInfo.variant==VariantBughouse ||
9415 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9416 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9417 board[fromY][fromX] = EmptySquare;
9418 } else if ((fromY >= BOARD_HEIGHT>>1)
9420 && gameInfo.variant != VariantXiangqi
9421 && gameInfo.variant != VariantBerolina
9422 && (board[fromY][fromX] == WhitePawn)
9423 && (board[toY][toX] == EmptySquare)) {
9424 board[fromY][fromX] = EmptySquare;
9425 board[toY][toX] = WhitePawn;
9426 captured = board[toY - 1][toX];
9427 board[toY - 1][toX] = EmptySquare;
9428 } else if ((fromY == BOARD_HEIGHT-4)
9430 && gameInfo.variant == VariantBerolina
9431 && (board[fromY][fromX] == WhitePawn)
9432 && (board[toY][toX] == EmptySquare)) {
9433 board[fromY][fromX] = EmptySquare;
9434 board[toY][toX] = WhitePawn;
9435 if(oldEP & EP_BEROLIN_A) {
9436 captured = board[fromY][fromX-1];
9437 board[fromY][fromX-1] = EmptySquare;
9438 }else{ captured = board[fromY][fromX+1];
9439 board[fromY][fromX+1] = EmptySquare;
9441 } else if (board[fromY][fromX] == king
9442 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9443 && toY == fromY && toX > fromX+1) {
9444 board[fromY][fromX] = EmptySquare;
9445 board[toY][toX] = king;
9446 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9447 board[fromY][BOARD_RGHT-1] = EmptySquare;
9448 } else if (board[fromY][fromX] == king
9449 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9450 && toY == fromY && toX < fromX-1) {
9451 board[fromY][fromX] = EmptySquare;
9452 board[toY][toX] = king;
9453 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9454 board[fromY][BOARD_LEFT] = EmptySquare;
9455 } else if (fromY == 7 && fromX == 3
9456 && board[fromY][fromX] == BlackKing
9457 && toY == 7 && toX == 5) {
9458 board[fromY][fromX] = EmptySquare;
9459 board[toY][toX] = BlackKing;
9460 board[fromY][7] = EmptySquare;
9461 board[toY][4] = BlackRook;
9462 } else if (fromY == 7 && fromX == 3
9463 && board[fromY][fromX] == BlackKing
9464 && toY == 7 && toX == 1) {
9465 board[fromY][fromX] = EmptySquare;
9466 board[toY][toX] = BlackKing;
9467 board[fromY][0] = EmptySquare;
9468 board[toY][2] = BlackRook;
9469 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9470 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9471 && toY < promoRank && promoChar
9473 /* black pawn promotion */
9474 board[toY][toX] = CharToPiece(ToLower(promoChar));
9475 if(gameInfo.variant==VariantBughouse ||
9476 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9477 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9478 board[fromY][fromX] = EmptySquare;
9479 } else if ((fromY < BOARD_HEIGHT>>1)
9481 && gameInfo.variant != VariantXiangqi
9482 && gameInfo.variant != VariantBerolina
9483 && (board[fromY][fromX] == BlackPawn)
9484 && (board[toY][toX] == EmptySquare)) {
9485 board[fromY][fromX] = EmptySquare;
9486 board[toY][toX] = BlackPawn;
9487 captured = board[toY + 1][toX];
9488 board[toY + 1][toX] = EmptySquare;
9489 } else if ((fromY == 3)
9491 && gameInfo.variant == VariantBerolina
9492 && (board[fromY][fromX] == BlackPawn)
9493 && (board[toY][toX] == EmptySquare)) {
9494 board[fromY][fromX] = EmptySquare;
9495 board[toY][toX] = BlackPawn;
9496 if(oldEP & EP_BEROLIN_A) {
9497 captured = board[fromY][fromX-1];
9498 board[fromY][fromX-1] = EmptySquare;
9499 }else{ captured = board[fromY][fromX+1];
9500 board[fromY][fromX+1] = EmptySquare;
9503 board[toY][toX] = board[fromY][fromX];
9504 board[fromY][fromX] = EmptySquare;
9508 if (gameInfo.holdingsWidth != 0) {
9510 /* !!A lot more code needs to be written to support holdings */
9511 /* [HGM] OK, so I have written it. Holdings are stored in the */
9512 /* penultimate board files, so they are automaticlly stored */
9513 /* in the game history. */
9514 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9515 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9516 /* Delete from holdings, by decreasing count */
9517 /* and erasing image if necessary */
9518 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9519 if(p < (int) BlackPawn) { /* white drop */
9520 p -= (int)WhitePawn;
9521 p = PieceToNumber((ChessSquare)p);
9522 if(p >= gameInfo.holdingsSize) p = 0;
9523 if(--board[p][BOARD_WIDTH-2] <= 0)
9524 board[p][BOARD_WIDTH-1] = EmptySquare;
9525 if((int)board[p][BOARD_WIDTH-2] < 0)
9526 board[p][BOARD_WIDTH-2] = 0;
9527 } else { /* black drop */
9528 p -= (int)BlackPawn;
9529 p = PieceToNumber((ChessSquare)p);
9530 if(p >= gameInfo.holdingsSize) p = 0;
9531 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9532 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9533 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9534 board[BOARD_HEIGHT-1-p][1] = 0;
9537 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9538 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9539 /* [HGM] holdings: Add to holdings, if holdings exist */
9540 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9541 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9542 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9545 if (p >= (int) BlackPawn) {
9546 p -= (int)BlackPawn;
9547 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9548 /* in Shogi restore piece to its original first */
9549 captured = (ChessSquare) (DEMOTED captured);
9552 p = PieceToNumber((ChessSquare)p);
9553 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9554 board[p][BOARD_WIDTH-2]++;
9555 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9557 p -= (int)WhitePawn;
9558 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9559 captured = (ChessSquare) (DEMOTED captured);
9562 p = PieceToNumber((ChessSquare)p);
9563 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9564 board[BOARD_HEIGHT-1-p][1]++;
9565 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9568 } else if (gameInfo.variant == VariantAtomic) {
9569 if (captured != EmptySquare) {
9571 for (y = toY-1; y <= toY+1; y++) {
9572 for (x = toX-1; x <= toX+1; x++) {
9573 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9574 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9575 board[y][x] = EmptySquare;
9579 board[toY][toX] = EmptySquare;
9582 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9583 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9585 if(promoChar == '+') {
9586 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9587 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9588 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9589 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9590 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9591 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9592 board[toY][toX] = newPiece;
9594 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9595 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9596 // [HGM] superchess: take promotion piece out of holdings
9597 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9598 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9599 if(!--board[k][BOARD_WIDTH-2])
9600 board[k][BOARD_WIDTH-1] = EmptySquare;
9602 if(!--board[BOARD_HEIGHT-1-k][1])
9603 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9609 /* Updates forwardMostMove */
9611 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9613 // forwardMostMove++; // [HGM] bare: moved downstream
9615 (void) CoordsToAlgebraic(boards[forwardMostMove],
9616 PosFlags(forwardMostMove),
9617 fromY, fromX, toY, toX, promoChar,
9618 parseList[forwardMostMove]);
9620 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9621 int timeLeft; static int lastLoadFlag=0; int king, piece;
9622 piece = boards[forwardMostMove][fromY][fromX];
9623 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9624 if(gameInfo.variant == VariantKnightmate)
9625 king += (int) WhiteUnicorn - (int) WhiteKing;
9626 if(forwardMostMove == 0) {
9627 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9628 fprintf(serverMoves, "%s;", UserName());
9629 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9630 fprintf(serverMoves, "%s;", second.tidy);
9631 fprintf(serverMoves, "%s;", first.tidy);
9632 if(gameMode == MachinePlaysWhite)
9633 fprintf(serverMoves, "%s;", UserName());
9634 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9635 fprintf(serverMoves, "%s;", second.tidy);
9636 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9637 lastLoadFlag = loadFlag;
9639 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9640 // print castling suffix
9641 if( toY == fromY && piece == king ) {
9643 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9645 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9648 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9649 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9650 boards[forwardMostMove][toY][toX] == EmptySquare
9651 && fromX != toX && fromY != toY)
9652 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9654 if(promoChar != NULLCHAR) {
9655 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9656 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9657 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9658 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9661 char buf[MOVE_LEN*2], *p; int len;
9662 fprintf(serverMoves, "/%d/%d",
9663 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9664 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9665 else timeLeft = blackTimeRemaining/1000;
9666 fprintf(serverMoves, "/%d", timeLeft);
9667 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9668 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9669 if(p = strchr(buf, '=')) *p = NULLCHAR;
9670 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9671 fprintf(serverMoves, "/%s", buf);
9673 fflush(serverMoves);
9676 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9677 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9680 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9681 if (commentList[forwardMostMove+1] != NULL) {
9682 free(commentList[forwardMostMove+1]);
9683 commentList[forwardMostMove+1] = NULL;
9685 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9686 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9687 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9688 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9689 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9690 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9691 adjustedClock = FALSE;
9692 gameInfo.result = GameUnfinished;
9693 if (gameInfo.resultDetails != NULL) {
9694 free(gameInfo.resultDetails);
9695 gameInfo.resultDetails = NULL;
9697 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9698 moveList[forwardMostMove - 1]);
9699 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9705 if(gameInfo.variant != VariantShogi)
9706 strcat(parseList[forwardMostMove - 1], "+");
9710 strcat(parseList[forwardMostMove - 1], "#");
9716 /* Updates currentMove if not pausing */
9718 ShowMove (int fromX, int fromY, int toX, int toY)
9720 int instant = (gameMode == PlayFromGameFile) ?
9721 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9722 if(appData.noGUI) return;
9723 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9725 if (forwardMostMove == currentMove + 1) {
9726 AnimateMove(boards[forwardMostMove - 1],
9727 fromX, fromY, toX, toY);
9730 currentMove = forwardMostMove;
9733 if (instant) return;
9735 DisplayMove(currentMove - 1);
9736 DrawPosition(FALSE, boards[currentMove]);
9737 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9738 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9739 SetHighlights(fromX, fromY, toX, toY);
9742 DisplayBothClocks();
9743 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9747 SendEgtPath (ChessProgramState *cps)
9748 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9749 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9751 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9754 char c, *q = name+1, *r, *s;
9756 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9757 while(*p && *p != ',') *q++ = *p++;
9759 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9760 strcmp(name, ",nalimov:") == 0 ) {
9761 // take nalimov path from the menu-changeable option first, if it is defined
9762 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9763 SendToProgram(buf,cps); // send egtbpath command for nalimov
9765 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9766 (s = StrStr(appData.egtFormats, name)) != NULL) {
9767 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9768 s = r = StrStr(s, ":") + 1; // beginning of path info
9769 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9770 c = *r; *r = 0; // temporarily null-terminate path info
9771 *--q = 0; // strip of trailig ':' from name
9772 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9774 SendToProgram(buf,cps); // send egtbpath command for this format
9776 if(*p == ',') p++; // read away comma to position for next format name
9781 InitChessProgram (ChessProgramState *cps, int setup)
9782 /* setup needed to setup FRC opening position */
9784 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9785 if (appData.noChessProgram) return;
9786 hintRequested = FALSE;
9787 bookRequested = FALSE;
9789 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9790 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9791 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9792 if(cps->memSize) { /* [HGM] memory */
9793 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9794 SendToProgram(buf, cps);
9796 SendEgtPath(cps); /* [HGM] EGT */
9797 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9798 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9799 SendToProgram(buf, cps);
9802 SendToProgram(cps->initString, cps);
9803 if (gameInfo.variant != VariantNormal &&
9804 gameInfo.variant != VariantLoadable
9805 /* [HGM] also send variant if board size non-standard */
9806 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9808 char *v = VariantName(gameInfo.variant);
9809 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9810 /* [HGM] in protocol 1 we have to assume all variants valid */
9811 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9812 DisplayFatalError(buf, 0, 1);
9816 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9817 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9818 if( gameInfo.variant == VariantXiangqi )
9819 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9820 if( gameInfo.variant == VariantShogi )
9821 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9822 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9823 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9824 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9825 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9826 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9827 if( gameInfo.variant == VariantCourier )
9828 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9829 if( gameInfo.variant == VariantSuper )
9830 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9831 if( gameInfo.variant == VariantGreat )
9832 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9833 if( gameInfo.variant == VariantSChess )
9834 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9835 if( gameInfo.variant == VariantGrand )
9836 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9839 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9840 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9841 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9842 if(StrStr(cps->variants, b) == NULL) {
9843 // specific sized variant not known, check if general sizing allowed
9844 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9845 if(StrStr(cps->variants, "boardsize") == NULL) {
9846 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9847 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9848 DisplayFatalError(buf, 0, 1);
9851 /* [HGM] here we really should compare with the maximum supported board size */
9854 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9855 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9856 SendToProgram(buf, cps);
9858 currentlyInitializedVariant = gameInfo.variant;
9860 /* [HGM] send opening position in FRC to first engine */
9862 SendToProgram("force\n", cps);
9864 /* engine is now in force mode! Set flag to wake it up after first move. */
9865 setboardSpoiledMachineBlack = 1;
9869 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9870 SendToProgram(buf, cps);
9872 cps->maybeThinking = FALSE;
9873 cps->offeredDraw = 0;
9874 if (!appData.icsActive) {
9875 SendTimeControl(cps, movesPerSession, timeControl,
9876 timeIncrement, appData.searchDepth,
9879 if (appData.showThinking
9880 // [HGM] thinking: four options require thinking output to be sent
9881 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9883 SendToProgram("post\n", cps);
9885 SendToProgram("hard\n", cps);
9886 if (!appData.ponderNextMove) {
9887 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9888 it without being sure what state we are in first. "hard"
9889 is not a toggle, so that one is OK.
9891 SendToProgram("easy\n", cps);
9894 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9895 SendToProgram(buf, cps);
9897 cps->initDone = TRUE;
9898 ClearEngineOutputPane(cps == &second);
9903 StartChessProgram (ChessProgramState *cps)
9908 if (appData.noChessProgram) return;
9909 cps->initDone = FALSE;
9911 if (strcmp(cps->host, "localhost") == 0) {
9912 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9913 } else if (*appData.remoteShell == NULLCHAR) {
9914 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9916 if (*appData.remoteUser == NULLCHAR) {
9917 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9920 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9921 cps->host, appData.remoteUser, cps->program);
9923 err = StartChildProcess(buf, "", &cps->pr);
9927 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9928 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9929 if(cps != &first) return;
9930 appData.noChessProgram = TRUE;
9933 // DisplayFatalError(buf, err, 1);
9934 // cps->pr = NoProc;
9939 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9940 if (cps->protocolVersion > 1) {
9941 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9942 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9943 cps->comboCnt = 0; // and values of combo boxes
9944 SendToProgram(buf, cps);
9946 SendToProgram("xboard\n", cps);
9951 TwoMachinesEventIfReady P((void))
9953 static int curMess = 0;
9954 if (first.lastPing != first.lastPong) {
9955 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9956 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9959 if (second.lastPing != second.lastPong) {
9960 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9961 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9964 DisplayMessage("", ""); curMess = 0;
9970 MakeName (char *template)
9974 static char buf[MSG_SIZ];
9978 clock = time((time_t *)NULL);
9979 tm = localtime(&clock);
9981 while(*p++ = *template++) if(p[-1] == '%') {
9982 switch(*template++) {
9983 case 0: *p = 0; return buf;
9984 case 'Y': i = tm->tm_year+1900; break;
9985 case 'y': i = tm->tm_year-100; break;
9986 case 'M': i = tm->tm_mon+1; break;
9987 case 'd': i = tm->tm_mday; break;
9988 case 'h': i = tm->tm_hour; break;
9989 case 'm': i = tm->tm_min; break;
9990 case 's': i = tm->tm_sec; break;
9993 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9999 CountPlayers (char *p)
10002 while(p = strchr(p, '\n')) p++, n++; // count participants
10007 WriteTourneyFile (char *results, FILE *f)
10008 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10009 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10010 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10011 // create a file with tournament description
10012 fprintf(f, "-participants {%s}\n", appData.participants);
10013 fprintf(f, "-seedBase %d\n", appData.seedBase);
10014 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10015 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10016 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10017 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10018 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10019 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10020 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10021 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10022 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10023 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10024 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10025 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10027 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10029 fprintf(f, "-mps %d\n", appData.movesPerSession);
10030 fprintf(f, "-tc %s\n", appData.timeControl);
10031 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10033 fprintf(f, "-results \"%s\"\n", results);
10038 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10041 Substitute (char *participants, int expunge)
10043 int i, changed, changes=0, nPlayers=0;
10044 char *p, *q, *r, buf[MSG_SIZ];
10045 if(participants == NULL) return;
10046 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10047 r = p = participants; q = appData.participants;
10048 while(*p && *p == *q) {
10049 if(*p == '\n') r = p+1, nPlayers++;
10052 if(*p) { // difference
10053 while(*p && *p++ != '\n');
10054 while(*q && *q++ != '\n');
10055 changed = nPlayers;
10056 changes = 1 + (strcmp(p, q) != 0);
10058 if(changes == 1) { // a single engine mnemonic was changed
10059 q = r; while(*q) nPlayers += (*q++ == '\n');
10060 p = buf; while(*r && (*p = *r++) != '\n') p++;
10062 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10063 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10064 if(mnemonic[i]) { // The substitute is valid
10066 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10067 flock(fileno(f), LOCK_EX);
10068 ParseArgsFromFile(f);
10069 fseek(f, 0, SEEK_SET);
10070 FREE(appData.participants); appData.participants = participants;
10071 if(expunge) { // erase results of replaced engine
10072 int len = strlen(appData.results), w, b, dummy;
10073 for(i=0; i<len; i++) {
10074 Pairing(i, nPlayers, &w, &b, &dummy);
10075 if((w == changed || b == changed) && appData.results[i] == '*') {
10076 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10081 for(i=0; i<len; i++) {
10082 Pairing(i, nPlayers, &w, &b, &dummy);
10083 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10086 WriteTourneyFile(appData.results, f);
10087 fclose(f); // release lock
10090 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10092 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10093 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10094 free(participants);
10099 CheckPlayers (char *participants)
10102 char buf[MSG_SIZ], *p;
10103 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10104 while(p = strchr(participants, '\n')) {
10106 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10108 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10110 DisplayError(buf, 0);
10114 participants = p + 1;
10120 CreateTourney (char *name)
10123 if(matchMode && strcmp(name, appData.tourneyFile)) {
10124 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10126 if(name[0] == NULLCHAR) {
10127 if(appData.participants[0])
10128 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10131 f = fopen(name, "r");
10132 if(f) { // file exists
10133 ASSIGN(appData.tourneyFile, name);
10134 ParseArgsFromFile(f); // parse it
10136 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10137 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10138 DisplayError(_("Not enough participants"), 0);
10141 if(CheckPlayers(appData.participants)) return 0;
10142 ASSIGN(appData.tourneyFile, name);
10143 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10144 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10147 appData.noChessProgram = FALSE;
10148 appData.clockMode = TRUE;
10154 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10156 char buf[MSG_SIZ], *p, *q;
10157 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10158 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10159 skip = !all && group[0]; // if group requested, we start in skip mode
10160 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10161 p = names; q = buf; header = 0;
10162 while(*p && *p != '\n') *q++ = *p++;
10164 if(*p == '\n') p++;
10165 if(buf[0] == '#') {
10166 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10167 depth++; // we must be entering a new group
10168 if(all) continue; // suppress printing group headers when complete list requested
10170 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10172 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10173 if(engineList[i]) free(engineList[i]);
10174 engineList[i] = strdup(buf);
10175 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10176 if(engineMnemonic[i]) free(engineMnemonic[i]);
10177 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10179 sscanf(q + 8, "%s", buf + strlen(buf));
10182 engineMnemonic[i] = strdup(buf);
10185 engineList[i] = engineMnemonic[i] = NULL;
10189 // following implemented as macro to avoid type limitations
10190 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10193 SwapEngines (int n)
10194 { // swap settings for first engine and other engine (so far only some selected options)
10199 SWAP(chessProgram, p)
10201 SWAP(hasOwnBookUCI, h)
10202 SWAP(protocolVersion, h)
10204 SWAP(scoreIsAbsolute, h)
10209 SWAP(engOptions, p)
10210 SWAP(engInitString, p)
10211 SWAP(computerString, p)
10213 SWAP(fenOverride, p)
10215 SWAP(accumulateTC, h)
10220 GetEngineLine (char *s, int n)
10224 extern char *icsNames;
10225 if(!s || !*s) return 0;
10226 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10227 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10228 if(!mnemonic[i]) return 0;
10229 if(n == 11) return 1; // just testing if there was a match
10230 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10231 if(n == 1) SwapEngines(n);
10232 ParseArgsFromString(buf);
10233 if(n == 1) SwapEngines(n);
10234 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10235 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10236 ParseArgsFromString(buf);
10242 SetPlayer (int player, char *p)
10243 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10245 char buf[MSG_SIZ], *engineName;
10246 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10247 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10248 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10250 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10251 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10252 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10253 ParseArgsFromString(buf);
10259 char *recentEngines;
10262 RecentEngineEvent (int nr)
10265 // SwapEngines(1); // bump first to second
10266 // ReplaceEngine(&second, 1); // and load it there
10267 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10268 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10269 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10270 ReplaceEngine(&first, 0);
10271 FloatToFront(&appData.recentEngineList, command[n]);
10276 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10277 { // determine players from game number
10278 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10280 if(appData.tourneyType == 0) {
10281 roundsPerCycle = (nPlayers - 1) | 1;
10282 pairingsPerRound = nPlayers / 2;
10283 } else if(appData.tourneyType > 0) {
10284 roundsPerCycle = nPlayers - appData.tourneyType;
10285 pairingsPerRound = appData.tourneyType;
10287 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10288 gamesPerCycle = gamesPerRound * roundsPerCycle;
10289 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10290 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10291 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10292 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10293 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10294 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10296 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10297 if(appData.roundSync) *syncInterval = gamesPerRound;
10299 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10301 if(appData.tourneyType == 0) {
10302 if(curPairing == (nPlayers-1)/2 ) {
10303 *whitePlayer = curRound;
10304 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10306 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10307 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10308 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10309 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10311 } else if(appData.tourneyType > 1) {
10312 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10313 *whitePlayer = curRound + appData.tourneyType;
10314 } else if(appData.tourneyType > 0) {
10315 *whitePlayer = curPairing;
10316 *blackPlayer = curRound + appData.tourneyType;
10319 // take care of white/black alternation per round.
10320 // For cycles and games this is already taken care of by default, derived from matchGame!
10321 return curRound & 1;
10325 NextTourneyGame (int nr, int *swapColors)
10326 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10328 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10330 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10331 tf = fopen(appData.tourneyFile, "r");
10332 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10333 ParseArgsFromFile(tf); fclose(tf);
10334 InitTimeControls(); // TC might be altered from tourney file
10336 nPlayers = CountPlayers(appData.participants); // count participants
10337 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10338 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10341 p = q = appData.results;
10342 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10343 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10344 DisplayMessage(_("Waiting for other game(s)"),"");
10345 waitingForGame = TRUE;
10346 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10349 waitingForGame = FALSE;
10352 if(appData.tourneyType < 0) {
10353 if(nr>=0 && !pairingReceived) {
10355 if(pairing.pr == NoProc) {
10356 if(!appData.pairingEngine[0]) {
10357 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10360 StartChessProgram(&pairing); // starts the pairing engine
10362 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10363 SendToProgram(buf, &pairing);
10364 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10365 SendToProgram(buf, &pairing);
10366 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10368 pairingReceived = 0; // ... so we continue here
10370 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10371 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10372 matchGame = 1; roundNr = nr / syncInterval + 1;
10375 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10377 // redefine engines, engine dir, etc.
10378 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10379 if(first.pr == NoProc) {
10380 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10381 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10383 if(second.pr == NoProc) {
10385 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10386 SwapEngines(1); // and make that valid for second engine by swapping
10387 InitEngine(&second, 1);
10389 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10390 UpdateLogos(FALSE); // leave display to ModeHiglight()
10396 { // performs game initialization that does not invoke engines, and then tries to start the game
10397 int res, firstWhite, swapColors = 0;
10398 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10399 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
10401 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10402 if(strcmp(buf, currentDebugFile)) { // name has changed
10403 FILE *f = fopen(buf, "w");
10404 if(f) { // if opening the new file failed, just keep using the old one
10405 ASSIGN(currentDebugFile, buf);
10409 if(appData.serverFileName) {
10410 if(serverFP) fclose(serverFP);
10411 serverFP = fopen(appData.serverFileName, "w");
10412 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10413 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10417 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10418 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10419 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10420 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10421 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10422 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10423 Reset(FALSE, first.pr != NoProc);
10424 res = LoadGameOrPosition(matchGame); // setup game
10425 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10426 if(!res) return; // abort when bad game/pos file
10427 TwoMachinesEvent();
10431 UserAdjudicationEvent (int result)
10433 ChessMove gameResult = GameIsDrawn;
10436 gameResult = WhiteWins;
10438 else if( result < 0 ) {
10439 gameResult = BlackWins;
10442 if( gameMode == TwoMachinesPlay ) {
10443 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10448 // [HGM] save: calculate checksum of game to make games easily identifiable
10450 StringCheckSum (char *s)
10453 if(s==NULL) return 0;
10454 while(*s) i = i*259 + *s++;
10462 for(i=backwardMostMove; i<forwardMostMove; i++) {
10463 sum += pvInfoList[i].depth;
10464 sum += StringCheckSum(parseList[i]);
10465 sum += StringCheckSum(commentList[i]);
10468 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10469 return sum + StringCheckSum(commentList[i]);
10470 } // end of save patch
10473 GameEnds (ChessMove result, char *resultDetails, int whosays)
10475 GameMode nextGameMode;
10477 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10479 if(endingGame) return; /* [HGM] crash: forbid recursion */
10481 if(twoBoards) { // [HGM] dual: switch back to one board
10482 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10483 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10485 if (appData.debugMode) {
10486 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10487 result, resultDetails ? resultDetails : "(null)", whosays);
10490 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10492 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10493 /* If we are playing on ICS, the server decides when the
10494 game is over, but the engine can offer to draw, claim
10498 if (appData.zippyPlay && first.initDone) {
10499 if (result == GameIsDrawn) {
10500 /* In case draw still needs to be claimed */
10501 SendToICS(ics_prefix);
10502 SendToICS("draw\n");
10503 } else if (StrCaseStr(resultDetails, "resign")) {
10504 SendToICS(ics_prefix);
10505 SendToICS("resign\n");
10509 endingGame = 0; /* [HGM] crash */
10513 /* If we're loading the game from a file, stop */
10514 if (whosays == GE_FILE) {
10515 (void) StopLoadGameTimer();
10519 /* Cancel draw offers */
10520 first.offeredDraw = second.offeredDraw = 0;
10522 /* If this is an ICS game, only ICS can really say it's done;
10523 if not, anyone can. */
10524 isIcsGame = (gameMode == IcsPlayingWhite ||
10525 gameMode == IcsPlayingBlack ||
10526 gameMode == IcsObserving ||
10527 gameMode == IcsExamining);
10529 if (!isIcsGame || whosays == GE_ICS) {
10530 /* OK -- not an ICS game, or ICS said it was done */
10532 if (!isIcsGame && !appData.noChessProgram)
10533 SetUserThinkingEnables();
10535 /* [HGM] if a machine claims the game end we verify this claim */
10536 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10537 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10539 ChessMove trueResult = (ChessMove) -1;
10541 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10542 first.twoMachinesColor[0] :
10543 second.twoMachinesColor[0] ;
10545 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10546 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10547 /* [HGM] verify: engine mate claims accepted if they were flagged */
10548 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10550 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10551 /* [HGM] verify: engine mate claims accepted if they were flagged */
10552 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10554 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10555 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10558 // now verify win claims, but not in drop games, as we don't understand those yet
10559 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10560 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10561 (result == WhiteWins && claimer == 'w' ||
10562 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10563 if (appData.debugMode) {
10564 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10565 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10567 if(result != trueResult) {
10568 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10569 result = claimer == 'w' ? BlackWins : WhiteWins;
10570 resultDetails = buf;
10573 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10574 && (forwardMostMove <= backwardMostMove ||
10575 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10576 (claimer=='b')==(forwardMostMove&1))
10578 /* [HGM] verify: draws that were not flagged are false claims */
10579 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10580 result = claimer == 'w' ? BlackWins : WhiteWins;
10581 resultDetails = buf;
10583 /* (Claiming a loss is accepted no questions asked!) */
10585 /* [HGM] bare: don't allow bare King to win */
10586 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10587 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10588 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10589 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10590 && result != GameIsDrawn)
10591 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10592 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10593 int p = (signed char)boards[forwardMostMove][i][j] - color;
10594 if(p >= 0 && p <= (int)WhiteKing) k++;
10596 if (appData.debugMode) {
10597 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10598 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10601 result = GameIsDrawn;
10602 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10603 resultDetails = buf;
10609 if(serverMoves != NULL && !loadFlag) { char c = '=';
10610 if(result==WhiteWins) c = '+';
10611 if(result==BlackWins) c = '-';
10612 if(resultDetails != NULL)
10613 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10615 if (resultDetails != NULL) {
10616 gameInfo.result = result;
10617 gameInfo.resultDetails = StrSave(resultDetails);
10619 /* display last move only if game was not loaded from file */
10620 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10621 DisplayMove(currentMove - 1);
10623 if (forwardMostMove != 0) {
10624 if (gameMode != PlayFromGameFile && gameMode != EditGame
10625 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10627 if (*appData.saveGameFile != NULLCHAR) {
10628 SaveGameToFile(appData.saveGameFile, TRUE);
10629 } else if (appData.autoSaveGames) {
10632 if (*appData.savePositionFile != NULLCHAR) {
10633 SavePositionToFile(appData.savePositionFile);
10638 /* Tell program how game ended in case it is learning */
10639 /* [HGM] Moved this to after saving the PGN, just in case */
10640 /* engine died and we got here through time loss. In that */
10641 /* case we will get a fatal error writing the pipe, which */
10642 /* would otherwise lose us the PGN. */
10643 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10644 /* output during GameEnds should never be fatal anymore */
10645 if (gameMode == MachinePlaysWhite ||
10646 gameMode == MachinePlaysBlack ||
10647 gameMode == TwoMachinesPlay ||
10648 gameMode == IcsPlayingWhite ||
10649 gameMode == IcsPlayingBlack ||
10650 gameMode == BeginningOfGame) {
10652 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10654 if (first.pr != NoProc) {
10655 SendToProgram(buf, &first);
10657 if (second.pr != NoProc &&
10658 gameMode == TwoMachinesPlay) {
10659 SendToProgram(buf, &second);
10664 if (appData.icsActive) {
10665 if (appData.quietPlay &&
10666 (gameMode == IcsPlayingWhite ||
10667 gameMode == IcsPlayingBlack)) {
10668 SendToICS(ics_prefix);
10669 SendToICS("set shout 1\n");
10671 nextGameMode = IcsIdle;
10672 ics_user_moved = FALSE;
10673 /* clean up premove. It's ugly when the game has ended and the
10674 * premove highlights are still on the board.
10677 gotPremove = FALSE;
10678 ClearPremoveHighlights();
10679 DrawPosition(FALSE, boards[currentMove]);
10681 if (whosays == GE_ICS) {
10684 if (gameMode == IcsPlayingWhite)
10686 else if(gameMode == IcsPlayingBlack)
10687 PlayIcsLossSound();
10690 if (gameMode == IcsPlayingBlack)
10692 else if(gameMode == IcsPlayingWhite)
10693 PlayIcsLossSound();
10696 PlayIcsDrawSound();
10699 PlayIcsUnfinishedSound();
10702 } else if (gameMode == EditGame ||
10703 gameMode == PlayFromGameFile ||
10704 gameMode == AnalyzeMode ||
10705 gameMode == AnalyzeFile) {
10706 nextGameMode = gameMode;
10708 nextGameMode = EndOfGame;
10713 nextGameMode = gameMode;
10716 if (appData.noChessProgram) {
10717 gameMode = nextGameMode;
10719 endingGame = 0; /* [HGM] crash */
10724 /* Put first chess program into idle state */
10725 if (first.pr != NoProc &&
10726 (gameMode == MachinePlaysWhite ||
10727 gameMode == MachinePlaysBlack ||
10728 gameMode == TwoMachinesPlay ||
10729 gameMode == IcsPlayingWhite ||
10730 gameMode == IcsPlayingBlack ||
10731 gameMode == BeginningOfGame)) {
10732 SendToProgram("force\n", &first);
10733 if (first.usePing) {
10735 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10736 SendToProgram(buf, &first);
10739 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10740 /* Kill off first chess program */
10741 if (first.isr != NULL)
10742 RemoveInputSource(first.isr);
10745 if (first.pr != NoProc) {
10747 DoSleep( appData.delayBeforeQuit );
10748 SendToProgram("quit\n", &first);
10749 DoSleep( appData.delayAfterQuit );
10750 DestroyChildProcess(first.pr, first.useSigterm);
10754 if (second.reuse) {
10755 /* Put second chess program into idle state */
10756 if (second.pr != NoProc &&
10757 gameMode == TwoMachinesPlay) {
10758 SendToProgram("force\n", &second);
10759 if (second.usePing) {
10761 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10762 SendToProgram(buf, &second);
10765 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10766 /* Kill off second chess program */
10767 if (second.isr != NULL)
10768 RemoveInputSource(second.isr);
10771 if (second.pr != NoProc) {
10772 DoSleep( appData.delayBeforeQuit );
10773 SendToProgram("quit\n", &second);
10774 DoSleep( appData.delayAfterQuit );
10775 DestroyChildProcess(second.pr, second.useSigterm);
10777 second.pr = NoProc;
10780 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10781 char resChar = '=';
10785 if (first.twoMachinesColor[0] == 'w') {
10788 second.matchWins++;
10793 if (first.twoMachinesColor[0] == 'b') {
10796 second.matchWins++;
10799 case GameUnfinished:
10805 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10806 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10807 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10808 ReserveGame(nextGame, resChar); // sets nextGame
10809 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10810 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10811 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10813 if (nextGame <= appData.matchGames && !abortMatch) {
10814 gameMode = nextGameMode;
10815 matchGame = nextGame; // this will be overruled in tourney mode!
10816 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10817 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10818 endingGame = 0; /* [HGM] crash */
10821 gameMode = nextGameMode;
10822 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10823 first.tidy, second.tidy,
10824 first.matchWins, second.matchWins,
10825 appData.matchGames - (first.matchWins + second.matchWins));
10826 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10827 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10828 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10829 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10830 first.twoMachinesColor = "black\n";
10831 second.twoMachinesColor = "white\n";
10833 first.twoMachinesColor = "white\n";
10834 second.twoMachinesColor = "black\n";
10838 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10839 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10841 gameMode = nextGameMode;
10843 endingGame = 0; /* [HGM] crash */
10844 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10845 if(matchMode == TRUE) { // match through command line: exit with or without popup
10847 ToNrEvent(forwardMostMove);
10848 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10850 } else DisplayFatalError(buf, 0, 0);
10851 } else { // match through menu; just stop, with or without popup
10852 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10855 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10856 } else DisplayNote(buf);
10858 if(ranking) free(ranking);
10862 /* Assumes program was just initialized (initString sent).
10863 Leaves program in force mode. */
10865 FeedMovesToProgram (ChessProgramState *cps, int upto)
10869 if (appData.debugMode)
10870 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10871 startedFromSetupPosition ? "position and " : "",
10872 backwardMostMove, upto, cps->which);
10873 if(currentlyInitializedVariant != gameInfo.variant) {
10875 // [HGM] variantswitch: make engine aware of new variant
10876 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10877 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10878 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10879 SendToProgram(buf, cps);
10880 currentlyInitializedVariant = gameInfo.variant;
10882 SendToProgram("force\n", cps);
10883 if (startedFromSetupPosition) {
10884 SendBoard(cps, backwardMostMove);
10885 if (appData.debugMode) {
10886 fprintf(debugFP, "feedMoves\n");
10889 for (i = backwardMostMove; i < upto; i++) {
10890 SendMoveToProgram(i, cps);
10896 ResurrectChessProgram ()
10898 /* The chess program may have exited.
10899 If so, restart it and feed it all the moves made so far. */
10900 static int doInit = 0;
10902 if (appData.noChessProgram) return 1;
10904 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10905 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10906 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10907 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10909 if (first.pr != NoProc) return 1;
10910 StartChessProgram(&first);
10912 InitChessProgram(&first, FALSE);
10913 FeedMovesToProgram(&first, currentMove);
10915 if (!first.sendTime) {
10916 /* can't tell gnuchess what its clock should read,
10917 so we bow to its notion. */
10919 timeRemaining[0][currentMove] = whiteTimeRemaining;
10920 timeRemaining[1][currentMove] = blackTimeRemaining;
10923 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10924 appData.icsEngineAnalyze) && first.analysisSupport) {
10925 SendToProgram("analyze\n", &first);
10926 first.analyzing = TRUE;
10932 * Button procedures
10935 Reset (int redraw, int init)
10939 if (appData.debugMode) {
10940 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10941 redraw, init, gameMode);
10943 CleanupTail(); // [HGM] vari: delete any stored variations
10944 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10945 pausing = pauseExamInvalid = FALSE;
10946 startedFromSetupPosition = blackPlaysFirst = FALSE;
10948 whiteFlag = blackFlag = FALSE;
10949 userOfferedDraw = FALSE;
10950 hintRequested = bookRequested = FALSE;
10951 first.maybeThinking = FALSE;
10952 second.maybeThinking = FALSE;
10953 first.bookSuspend = FALSE; // [HGM] book
10954 second.bookSuspend = FALSE;
10955 thinkOutput[0] = NULLCHAR;
10956 lastHint[0] = NULLCHAR;
10957 ClearGameInfo(&gameInfo);
10958 gameInfo.variant = StringToVariant(appData.variant);
10959 ics_user_moved = ics_clock_paused = FALSE;
10960 ics_getting_history = H_FALSE;
10962 white_holding[0] = black_holding[0] = NULLCHAR;
10963 ClearProgramStats();
10964 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10968 flipView = appData.flipView;
10969 ClearPremoveHighlights();
10970 gotPremove = FALSE;
10971 alarmSounded = FALSE;
10973 GameEnds(EndOfFile, NULL, GE_PLAYER);
10974 if(appData.serverMovesName != NULL) {
10975 /* [HGM] prepare to make moves file for broadcasting */
10976 clock_t t = clock();
10977 if(serverMoves != NULL) fclose(serverMoves);
10978 serverMoves = fopen(appData.serverMovesName, "r");
10979 if(serverMoves != NULL) {
10980 fclose(serverMoves);
10981 /* delay 15 sec before overwriting, so all clients can see end */
10982 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10984 serverMoves = fopen(appData.serverMovesName, "w");
10988 gameMode = BeginningOfGame;
10990 if(appData.icsActive) gameInfo.variant = VariantNormal;
10991 currentMove = forwardMostMove = backwardMostMove = 0;
10992 MarkTargetSquares(1);
10993 InitPosition(redraw);
10994 for (i = 0; i < MAX_MOVES; i++) {
10995 if (commentList[i] != NULL) {
10996 free(commentList[i]);
10997 commentList[i] = NULL;
11001 timeRemaining[0][0] = whiteTimeRemaining;
11002 timeRemaining[1][0] = blackTimeRemaining;
11004 if (first.pr == NoProc) {
11005 StartChessProgram(&first);
11008 InitChessProgram(&first, startedFromSetupPosition);
11011 DisplayMessage("", "");
11012 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11013 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11014 ClearMap(); // [HGM] exclude: invalidate map
11018 AutoPlayGameLoop ()
11021 if (!AutoPlayOneMove())
11023 if (matchMode || appData.timeDelay == 0)
11025 if (appData.timeDelay < 0)
11027 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11035 ReloadGame(1); // next game
11041 int fromX, fromY, toX, toY;
11043 if (appData.debugMode) {
11044 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11047 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11050 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11051 pvInfoList[currentMove].depth = programStats.depth;
11052 pvInfoList[currentMove].score = programStats.score;
11053 pvInfoList[currentMove].time = 0;
11054 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11057 if (currentMove >= forwardMostMove) {
11058 if(gameMode == AnalyzeFile) {
11059 if(appData.loadGameIndex == -1) {
11060 GameEnds(EndOfFile, NULL, GE_FILE);
11061 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11063 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11066 // gameMode = EndOfGame;
11067 // ModeHighlight();
11069 /* [AS] Clear current move marker at the end of a game */
11070 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11075 toX = moveList[currentMove][2] - AAA;
11076 toY = moveList[currentMove][3] - ONE;
11078 if (moveList[currentMove][1] == '@') {
11079 if (appData.highlightLastMove) {
11080 SetHighlights(-1, -1, toX, toY);
11083 fromX = moveList[currentMove][0] - AAA;
11084 fromY = moveList[currentMove][1] - ONE;
11086 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11088 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11090 if (appData.highlightLastMove) {
11091 SetHighlights(fromX, fromY, toX, toY);
11094 DisplayMove(currentMove);
11095 SendMoveToProgram(currentMove++, &first);
11096 DisplayBothClocks();
11097 DrawPosition(FALSE, boards[currentMove]);
11098 // [HGM] PV info: always display, routine tests if empty
11099 DisplayComment(currentMove - 1, commentList[currentMove]);
11105 LoadGameOneMove (ChessMove readAhead)
11107 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11108 char promoChar = NULLCHAR;
11109 ChessMove moveType;
11110 char move[MSG_SIZ];
11113 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11114 gameMode != AnalyzeMode && gameMode != Training) {
11119 yyboardindex = forwardMostMove;
11120 if (readAhead != EndOfFile) {
11121 moveType = readAhead;
11123 if (gameFileFP == NULL)
11125 moveType = (ChessMove) Myylex();
11129 switch (moveType) {
11131 if (appData.debugMode)
11132 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11135 /* append the comment but don't display it */
11136 AppendComment(currentMove, p, FALSE);
11139 case WhiteCapturesEnPassant:
11140 case BlackCapturesEnPassant:
11141 case WhitePromotion:
11142 case BlackPromotion:
11143 case WhiteNonPromotion:
11144 case BlackNonPromotion:
11146 case WhiteKingSideCastle:
11147 case WhiteQueenSideCastle:
11148 case BlackKingSideCastle:
11149 case BlackQueenSideCastle:
11150 case WhiteKingSideCastleWild:
11151 case WhiteQueenSideCastleWild:
11152 case BlackKingSideCastleWild:
11153 case BlackQueenSideCastleWild:
11155 case WhiteHSideCastleFR:
11156 case WhiteASideCastleFR:
11157 case BlackHSideCastleFR:
11158 case BlackASideCastleFR:
11160 if (appData.debugMode)
11161 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11162 fromX = currentMoveString[0] - AAA;
11163 fromY = currentMoveString[1] - ONE;
11164 toX = currentMoveString[2] - AAA;
11165 toY = currentMoveString[3] - ONE;
11166 promoChar = currentMoveString[4];
11171 if (appData.debugMode)
11172 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11173 fromX = moveType == WhiteDrop ?
11174 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11175 (int) CharToPiece(ToLower(currentMoveString[0]));
11177 toX = currentMoveString[2] - AAA;
11178 toY = currentMoveString[3] - ONE;
11184 case GameUnfinished:
11185 if (appData.debugMode)
11186 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11187 p = strchr(yy_text, '{');
11188 if (p == NULL) p = strchr(yy_text, '(');
11191 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11193 q = strchr(p, *p == '{' ? '}' : ')');
11194 if (q != NULL) *q = NULLCHAR;
11197 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11198 GameEnds(moveType, p, GE_FILE);
11200 if (cmailMsgLoaded) {
11202 flipView = WhiteOnMove(currentMove);
11203 if (moveType == GameUnfinished) flipView = !flipView;
11204 if (appData.debugMode)
11205 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11210 if (appData.debugMode)
11211 fprintf(debugFP, "Parser hit end of file\n");
11212 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11218 if (WhiteOnMove(currentMove)) {
11219 GameEnds(BlackWins, "Black mates", GE_FILE);
11221 GameEnds(WhiteWins, "White mates", GE_FILE);
11225 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11231 case MoveNumberOne:
11232 if (lastLoadGameStart == GNUChessGame) {
11233 /* GNUChessGames have numbers, but they aren't move numbers */
11234 if (appData.debugMode)
11235 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11236 yy_text, (int) moveType);
11237 return LoadGameOneMove(EndOfFile); /* tail recursion */
11239 /* else fall thru */
11244 /* Reached start of next game in file */
11245 if (appData.debugMode)
11246 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11247 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11253 if (WhiteOnMove(currentMove)) {
11254 GameEnds(BlackWins, "Black mates", GE_FILE);
11256 GameEnds(WhiteWins, "White mates", GE_FILE);
11260 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11266 case PositionDiagram: /* should not happen; ignore */
11267 case ElapsedTime: /* ignore */
11268 case NAG: /* ignore */
11269 if (appData.debugMode)
11270 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11271 yy_text, (int) moveType);
11272 return LoadGameOneMove(EndOfFile); /* tail recursion */
11275 if (appData.testLegality) {
11276 if (appData.debugMode)
11277 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11278 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11279 (forwardMostMove / 2) + 1,
11280 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11281 DisplayError(move, 0);
11284 if (appData.debugMode)
11285 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11286 yy_text, currentMoveString);
11287 fromX = currentMoveString[0] - AAA;
11288 fromY = currentMoveString[1] - ONE;
11289 toX = currentMoveString[2] - AAA;
11290 toY = currentMoveString[3] - ONE;
11291 promoChar = currentMoveString[4];
11295 case AmbiguousMove:
11296 if (appData.debugMode)
11297 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11298 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11299 (forwardMostMove / 2) + 1,
11300 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11301 DisplayError(move, 0);
11306 case ImpossibleMove:
11307 if (appData.debugMode)
11308 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11309 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11310 (forwardMostMove / 2) + 1,
11311 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11312 DisplayError(move, 0);
11318 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11319 DrawPosition(FALSE, boards[currentMove]);
11320 DisplayBothClocks();
11321 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11322 DisplayComment(currentMove - 1, commentList[currentMove]);
11324 (void) StopLoadGameTimer();
11326 cmailOldMove = forwardMostMove;
11329 /* currentMoveString is set as a side-effect of yylex */
11331 thinkOutput[0] = NULLCHAR;
11332 MakeMove(fromX, fromY, toX, toY, promoChar);
11333 currentMove = forwardMostMove;
11338 /* Load the nth game from the given file */
11340 LoadGameFromFile (char *filename, int n, char *title, int useList)
11345 if (strcmp(filename, "-") == 0) {
11349 f = fopen(filename, "rb");
11351 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11352 DisplayError(buf, errno);
11356 if (fseek(f, 0, 0) == -1) {
11357 /* f is not seekable; probably a pipe */
11360 if (useList && n == 0) {
11361 int error = GameListBuild(f);
11363 DisplayError(_("Cannot build game list"), error);
11364 } else if (!ListEmpty(&gameList) &&
11365 ((ListGame *) gameList.tailPred)->number > 1) {
11366 GameListPopUp(f, title);
11373 return LoadGame(f, n, title, FALSE);
11378 MakeRegisteredMove ()
11380 int fromX, fromY, toX, toY;
11382 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11383 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11386 if (appData.debugMode)
11387 fprintf(debugFP, "Restoring %s for game %d\n",
11388 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11390 thinkOutput[0] = NULLCHAR;
11391 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11392 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11393 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11394 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11395 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11396 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11397 MakeMove(fromX, fromY, toX, toY, promoChar);
11398 ShowMove(fromX, fromY, toX, toY);
11400 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11407 if (WhiteOnMove(currentMove)) {
11408 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11410 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11415 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11422 if (WhiteOnMove(currentMove)) {
11423 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11425 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11430 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11441 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11443 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11447 if (gameNumber > nCmailGames) {
11448 DisplayError(_("No more games in this message"), 0);
11451 if (f == lastLoadGameFP) {
11452 int offset = gameNumber - lastLoadGameNumber;
11454 cmailMsg[0] = NULLCHAR;
11455 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11456 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11457 nCmailMovesRegistered--;
11459 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11460 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11461 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11464 if (! RegisterMove()) return FALSE;
11468 retVal = LoadGame(f, gameNumber, title, useList);
11470 /* Make move registered during previous look at this game, if any */
11471 MakeRegisteredMove();
11473 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11474 commentList[currentMove]
11475 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11476 DisplayComment(currentMove - 1, commentList[currentMove]);
11482 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11484 ReloadGame (int offset)
11486 int gameNumber = lastLoadGameNumber + offset;
11487 if (lastLoadGameFP == NULL) {
11488 DisplayError(_("No game has been loaded yet"), 0);
11491 if (gameNumber <= 0) {
11492 DisplayError(_("Can't back up any further"), 0);
11495 if (cmailMsgLoaded) {
11496 return CmailLoadGame(lastLoadGameFP, gameNumber,
11497 lastLoadGameTitle, lastLoadGameUseList);
11499 return LoadGame(lastLoadGameFP, gameNumber,
11500 lastLoadGameTitle, lastLoadGameUseList);
11504 int keys[EmptySquare+1];
11507 PositionMatches (Board b1, Board b2)
11510 switch(appData.searchMode) {
11511 case 1: return CompareWithRights(b1, b2);
11513 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11514 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11518 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11519 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11520 sum += keys[b1[r][f]] - keys[b2[r][f]];
11524 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11525 sum += keys[b1[r][f]] - keys[b2[r][f]];
11537 int pieceList[256], quickBoard[256];
11538 ChessSquare pieceType[256] = { EmptySquare };
11539 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11540 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11541 int soughtTotal, turn;
11542 Boolean epOK, flipSearch;
11545 unsigned char piece, to;
11548 #define DSIZE (250000)
11550 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11551 Move *moveDatabase = initialSpace;
11552 unsigned int movePtr, dataSize = DSIZE;
11555 MakePieceList (Board board, int *counts)
11557 int r, f, n=Q_PROMO, total=0;
11558 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11559 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11560 int sq = f + (r<<4);
11561 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11562 quickBoard[sq] = ++n;
11564 pieceType[n] = board[r][f];
11565 counts[board[r][f]]++;
11566 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11567 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11571 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11576 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11578 int sq = fromX + (fromY<<4);
11579 int piece = quickBoard[sq];
11580 quickBoard[sq] = 0;
11581 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11582 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11583 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11584 moveDatabase[movePtr++].piece = Q_WCASTL;
11585 quickBoard[sq] = piece;
11586 piece = quickBoard[from]; quickBoard[from] = 0;
11587 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11589 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11590 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11591 moveDatabase[movePtr++].piece = Q_BCASTL;
11592 quickBoard[sq] = piece;
11593 piece = quickBoard[from]; quickBoard[from] = 0;
11594 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11596 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11597 quickBoard[(fromY<<4)+toX] = 0;
11598 moveDatabase[movePtr].piece = Q_EP;
11599 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11600 moveDatabase[movePtr].to = sq;
11602 if(promoPiece != pieceType[piece]) {
11603 moveDatabase[movePtr++].piece = Q_PROMO;
11604 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11606 moveDatabase[movePtr].piece = piece;
11607 quickBoard[sq] = piece;
11612 PackGame (Board board)
11614 Move *newSpace = NULL;
11615 moveDatabase[movePtr].piece = 0; // terminate previous game
11616 if(movePtr > dataSize) {
11617 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11618 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11619 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11622 Move *p = moveDatabase, *q = newSpace;
11623 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11624 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11625 moveDatabase = newSpace;
11626 } else { // calloc failed, we must be out of memory. Too bad...
11627 dataSize = 0; // prevent calloc events for all subsequent games
11628 return 0; // and signal this one isn't cached
11632 MakePieceList(board, counts);
11637 QuickCompare (Board board, int *minCounts, int *maxCounts)
11638 { // compare according to search mode
11640 switch(appData.searchMode)
11642 case 1: // exact position match
11643 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11644 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11645 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11648 case 2: // can have extra material on empty squares
11649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11650 if(board[r][f] == EmptySquare) continue;
11651 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11654 case 3: // material with exact Pawn structure
11655 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11656 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11657 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11658 } // fall through to material comparison
11659 case 4: // exact material
11660 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11662 case 6: // material range with given imbalance
11663 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11664 // fall through to range comparison
11665 case 5: // material range
11666 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11672 QuickScan (Board board, Move *move)
11673 { // reconstruct game,and compare all positions in it
11674 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11676 int piece = move->piece;
11677 int to = move->to, from = pieceList[piece];
11678 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11679 if(!piece) return -1;
11680 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11681 piece = (++move)->piece;
11682 from = pieceList[piece];
11683 counts[pieceType[piece]]--;
11684 pieceType[piece] = (ChessSquare) move->to;
11685 counts[move->to]++;
11686 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11687 counts[pieceType[quickBoard[to]]]--;
11688 quickBoard[to] = 0; total--;
11691 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11692 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11693 from = pieceList[piece]; // so this must be King
11694 quickBoard[from] = 0;
11695 pieceList[piece] = to;
11696 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11697 quickBoard[from] = 0; // rook
11698 quickBoard[to] = piece;
11699 to = move->to; piece = move->piece;
11703 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11704 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11705 quickBoard[from] = 0;
11707 quickBoard[to] = piece;
11708 pieceList[piece] = to;
11710 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11711 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11712 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11713 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11715 static int lastCounts[EmptySquare+1];
11717 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11718 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11719 } else stretch = 0;
11720 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11729 flipSearch = FALSE;
11730 CopyBoard(soughtBoard, boards[currentMove]);
11731 soughtTotal = MakePieceList(soughtBoard, maxSought);
11732 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11733 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11734 CopyBoard(reverseBoard, boards[currentMove]);
11735 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11736 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11737 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11738 reverseBoard[r][f] = piece;
11740 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11741 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11742 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11743 || (boards[currentMove][CASTLING][2] == NoRights ||
11744 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11745 && (boards[currentMove][CASTLING][5] == NoRights ||
11746 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11749 CopyBoard(flipBoard, soughtBoard);
11750 CopyBoard(rotateBoard, reverseBoard);
11751 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11752 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11753 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11756 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11757 if(appData.searchMode >= 5) {
11758 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11759 MakePieceList(soughtBoard, minSought);
11760 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11762 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11763 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11766 GameInfo dummyInfo;
11769 GameContainsPosition (FILE *f, ListGame *lg)
11771 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11772 int fromX, fromY, toX, toY;
11774 static int initDone=FALSE;
11776 // weed out games based on numerical tag comparison
11777 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11778 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11779 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11780 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11782 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11785 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11786 else CopyBoard(boards[scratch], initialPosition); // default start position
11789 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11790 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11793 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11794 fseek(f, lg->offset, 0);
11797 yyboardindex = scratch;
11798 quickFlag = plyNr+1;
11803 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11809 if(plyNr) return -1; // after we have seen moves, this is for new game
11812 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11813 case ImpossibleMove:
11814 case WhiteWins: // game ends here with these four
11817 case GameUnfinished:
11821 if(appData.testLegality) return -1;
11822 case WhiteCapturesEnPassant:
11823 case BlackCapturesEnPassant:
11824 case WhitePromotion:
11825 case BlackPromotion:
11826 case WhiteNonPromotion:
11827 case BlackNonPromotion:
11829 case WhiteKingSideCastle:
11830 case WhiteQueenSideCastle:
11831 case BlackKingSideCastle:
11832 case BlackQueenSideCastle:
11833 case WhiteKingSideCastleWild:
11834 case WhiteQueenSideCastleWild:
11835 case BlackKingSideCastleWild:
11836 case BlackQueenSideCastleWild:
11837 case WhiteHSideCastleFR:
11838 case WhiteASideCastleFR:
11839 case BlackHSideCastleFR:
11840 case BlackASideCastleFR:
11841 fromX = currentMoveString[0] - AAA;
11842 fromY = currentMoveString[1] - ONE;
11843 toX = currentMoveString[2] - AAA;
11844 toY = currentMoveString[3] - ONE;
11845 promoChar = currentMoveString[4];
11849 fromX = next == WhiteDrop ?
11850 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11851 (int) CharToPiece(ToLower(currentMoveString[0]));
11853 toX = currentMoveString[2] - AAA;
11854 toY = currentMoveString[3] - ONE;
11858 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11860 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11861 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11862 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11863 if(appData.findMirror) {
11864 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11865 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11870 /* Load the nth game from open file f */
11872 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11876 int gn = gameNumber;
11877 ListGame *lg = NULL;
11878 int numPGNTags = 0;
11880 GameMode oldGameMode;
11881 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11883 if (appData.debugMode)
11884 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11886 if (gameMode == Training )
11887 SetTrainingModeOff();
11889 oldGameMode = gameMode;
11890 if (gameMode != BeginningOfGame) {
11891 Reset(FALSE, TRUE);
11895 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11896 fclose(lastLoadGameFP);
11900 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11903 fseek(f, lg->offset, 0);
11904 GameListHighlight(gameNumber);
11905 pos = lg->position;
11909 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11910 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11912 DisplayError(_("Game number out of range"), 0);
11917 if (fseek(f, 0, 0) == -1) {
11918 if (f == lastLoadGameFP ?
11919 gameNumber == lastLoadGameNumber + 1 :
11923 DisplayError(_("Can't seek on game file"), 0);
11928 lastLoadGameFP = f;
11929 lastLoadGameNumber = gameNumber;
11930 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11931 lastLoadGameUseList = useList;
11935 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11936 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11937 lg->gameInfo.black);
11939 } else if (*title != NULLCHAR) {
11940 if (gameNumber > 1) {
11941 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11944 DisplayTitle(title);
11948 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11949 gameMode = PlayFromGameFile;
11953 currentMove = forwardMostMove = backwardMostMove = 0;
11954 CopyBoard(boards[0], initialPosition);
11958 * Skip the first gn-1 games in the file.
11959 * Also skip over anything that precedes an identifiable
11960 * start of game marker, to avoid being confused by
11961 * garbage at the start of the file. Currently
11962 * recognized start of game markers are the move number "1",
11963 * the pattern "gnuchess .* game", the pattern
11964 * "^[#;%] [^ ]* game file", and a PGN tag block.
11965 * A game that starts with one of the latter two patterns
11966 * will also have a move number 1, possibly
11967 * following a position diagram.
11968 * 5-4-02: Let's try being more lenient and allowing a game to
11969 * start with an unnumbered move. Does that break anything?
11971 cm = lastLoadGameStart = EndOfFile;
11973 yyboardindex = forwardMostMove;
11974 cm = (ChessMove) Myylex();
11977 if (cmailMsgLoaded) {
11978 nCmailGames = CMAIL_MAX_GAMES - gn;
11981 DisplayError(_("Game not found in file"), 0);
11988 lastLoadGameStart = cm;
11991 case MoveNumberOne:
11992 switch (lastLoadGameStart) {
11997 case MoveNumberOne:
11999 gn--; /* count this game */
12000 lastLoadGameStart = cm;
12009 switch (lastLoadGameStart) {
12012 case MoveNumberOne:
12014 gn--; /* count this game */
12015 lastLoadGameStart = cm;
12018 lastLoadGameStart = cm; /* game counted already */
12026 yyboardindex = forwardMostMove;
12027 cm = (ChessMove) Myylex();
12028 } while (cm == PGNTag || cm == Comment);
12035 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12036 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12037 != CMAIL_OLD_RESULT) {
12039 cmailResult[ CMAIL_MAX_GAMES
12040 - gn - 1] = CMAIL_OLD_RESULT;
12046 /* Only a NormalMove can be at the start of a game
12047 * without a position diagram. */
12048 if (lastLoadGameStart == EndOfFile ) {
12050 lastLoadGameStart = MoveNumberOne;
12059 if (appData.debugMode)
12060 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12062 if (cm == XBoardGame) {
12063 /* Skip any header junk before position diagram and/or move 1 */
12065 yyboardindex = forwardMostMove;
12066 cm = (ChessMove) Myylex();
12068 if (cm == EndOfFile ||
12069 cm == GNUChessGame || cm == XBoardGame) {
12070 /* Empty game; pretend end-of-file and handle later */
12075 if (cm == MoveNumberOne || cm == PositionDiagram ||
12076 cm == PGNTag || cm == Comment)
12079 } else if (cm == GNUChessGame) {
12080 if (gameInfo.event != NULL) {
12081 free(gameInfo.event);
12083 gameInfo.event = StrSave(yy_text);
12086 startedFromSetupPosition = FALSE;
12087 while (cm == PGNTag) {
12088 if (appData.debugMode)
12089 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12090 err = ParsePGNTag(yy_text, &gameInfo);
12091 if (!err) numPGNTags++;
12093 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12094 if(gameInfo.variant != oldVariant) {
12095 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12096 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12097 InitPosition(TRUE);
12098 oldVariant = gameInfo.variant;
12099 if (appData.debugMode)
12100 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12104 if (gameInfo.fen != NULL) {
12105 Board initial_position;
12106 startedFromSetupPosition = TRUE;
12107 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12109 DisplayError(_("Bad FEN position in file"), 0);
12112 CopyBoard(boards[0], initial_position);
12113 if (blackPlaysFirst) {
12114 currentMove = forwardMostMove = backwardMostMove = 1;
12115 CopyBoard(boards[1], initial_position);
12116 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12117 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12118 timeRemaining[0][1] = whiteTimeRemaining;
12119 timeRemaining[1][1] = blackTimeRemaining;
12120 if (commentList[0] != NULL) {
12121 commentList[1] = commentList[0];
12122 commentList[0] = NULL;
12125 currentMove = forwardMostMove = backwardMostMove = 0;
12127 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12129 initialRulePlies = FENrulePlies;
12130 for( i=0; i< nrCastlingRights; i++ )
12131 initialRights[i] = initial_position[CASTLING][i];
12133 yyboardindex = forwardMostMove;
12134 free(gameInfo.fen);
12135 gameInfo.fen = NULL;
12138 yyboardindex = forwardMostMove;
12139 cm = (ChessMove) Myylex();
12141 /* Handle comments interspersed among the tags */
12142 while (cm == Comment) {
12144 if (appData.debugMode)
12145 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12147 AppendComment(currentMove, p, FALSE);
12148 yyboardindex = forwardMostMove;
12149 cm = (ChessMove) Myylex();
12153 /* don't rely on existence of Event tag since if game was
12154 * pasted from clipboard the Event tag may not exist
12156 if (numPGNTags > 0){
12158 if (gameInfo.variant == VariantNormal) {
12159 VariantClass v = StringToVariant(gameInfo.event);
12160 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12161 if(v < VariantShogi) gameInfo.variant = v;
12164 if( appData.autoDisplayTags ) {
12165 tags = PGNTags(&gameInfo);
12166 TagsPopUp(tags, CmailMsg());
12171 /* Make something up, but don't display it now */
12176 if (cm == PositionDiagram) {
12179 Board initial_position;
12181 if (appData.debugMode)
12182 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12184 if (!startedFromSetupPosition) {
12186 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12187 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12198 initial_position[i][j++] = CharToPiece(*p);
12201 while (*p == ' ' || *p == '\t' ||
12202 *p == '\n' || *p == '\r') p++;
12204 if (strncmp(p, "black", strlen("black"))==0)
12205 blackPlaysFirst = TRUE;
12207 blackPlaysFirst = FALSE;
12208 startedFromSetupPosition = TRUE;
12210 CopyBoard(boards[0], initial_position);
12211 if (blackPlaysFirst) {
12212 currentMove = forwardMostMove = backwardMostMove = 1;
12213 CopyBoard(boards[1], initial_position);
12214 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12215 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12216 timeRemaining[0][1] = whiteTimeRemaining;
12217 timeRemaining[1][1] = blackTimeRemaining;
12218 if (commentList[0] != NULL) {
12219 commentList[1] = commentList[0];
12220 commentList[0] = NULL;
12223 currentMove = forwardMostMove = backwardMostMove = 0;
12226 yyboardindex = forwardMostMove;
12227 cm = (ChessMove) Myylex();
12230 if (first.pr == NoProc) {
12231 StartChessProgram(&first);
12233 InitChessProgram(&first, FALSE);
12234 SendToProgram("force\n", &first);
12235 if (startedFromSetupPosition) {
12236 SendBoard(&first, forwardMostMove);
12237 if (appData.debugMode) {
12238 fprintf(debugFP, "Load Game\n");
12240 DisplayBothClocks();
12243 /* [HGM] server: flag to write setup moves in broadcast file as one */
12244 loadFlag = appData.suppressLoadMoves;
12246 while (cm == Comment) {
12248 if (appData.debugMode)
12249 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12251 AppendComment(currentMove, p, FALSE);
12252 yyboardindex = forwardMostMove;
12253 cm = (ChessMove) Myylex();
12256 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12257 cm == WhiteWins || cm == BlackWins ||
12258 cm == GameIsDrawn || cm == GameUnfinished) {
12259 DisplayMessage("", _("No moves in game"));
12260 if (cmailMsgLoaded) {
12261 if (appData.debugMode)
12262 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12266 DrawPosition(FALSE, boards[currentMove]);
12267 DisplayBothClocks();
12268 gameMode = EditGame;
12275 // [HGM] PV info: routine tests if comment empty
12276 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12277 DisplayComment(currentMove - 1, commentList[currentMove]);
12279 if (!matchMode && appData.timeDelay != 0)
12280 DrawPosition(FALSE, boards[currentMove]);
12282 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12283 programStats.ok_to_send = 1;
12286 /* if the first token after the PGN tags is a move
12287 * and not move number 1, retrieve it from the parser
12289 if (cm != MoveNumberOne)
12290 LoadGameOneMove(cm);
12292 /* load the remaining moves from the file */
12293 while (LoadGameOneMove(EndOfFile)) {
12294 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12295 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12298 /* rewind to the start of the game */
12299 currentMove = backwardMostMove;
12301 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12303 if (oldGameMode == AnalyzeFile ||
12304 oldGameMode == AnalyzeMode) {
12305 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12307 AnalyzeFileEvent();
12311 if (!matchMode && pos > 0) {
12312 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12314 if (matchMode || appData.timeDelay == 0) {
12316 } else if (appData.timeDelay > 0) {
12317 AutoPlayGameLoop();
12320 if (appData.debugMode)
12321 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12323 loadFlag = 0; /* [HGM] true game starts */
12327 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12329 ReloadPosition (int offset)
12331 int positionNumber = lastLoadPositionNumber + offset;
12332 if (lastLoadPositionFP == NULL) {
12333 DisplayError(_("No position has been loaded yet"), 0);
12336 if (positionNumber <= 0) {
12337 DisplayError(_("Can't back up any further"), 0);
12340 return LoadPosition(lastLoadPositionFP, positionNumber,
12341 lastLoadPositionTitle);
12344 /* Load the nth position from the given file */
12346 LoadPositionFromFile (char *filename, int n, char *title)
12351 if (strcmp(filename, "-") == 0) {
12352 return LoadPosition(stdin, n, "stdin");
12354 f = fopen(filename, "rb");
12356 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12357 DisplayError(buf, errno);
12360 return LoadPosition(f, n, title);
12365 /* Load the nth position from the given open file, and close it */
12367 LoadPosition (FILE *f, int positionNumber, char *title)
12369 char *p, line[MSG_SIZ];
12370 Board initial_position;
12371 int i, j, fenMode, pn;
12373 if (gameMode == Training )
12374 SetTrainingModeOff();
12376 if (gameMode != BeginningOfGame) {
12377 Reset(FALSE, TRUE);
12379 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12380 fclose(lastLoadPositionFP);
12382 if (positionNumber == 0) positionNumber = 1;
12383 lastLoadPositionFP = f;
12384 lastLoadPositionNumber = positionNumber;
12385 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12386 if (first.pr == NoProc && !appData.noChessProgram) {
12387 StartChessProgram(&first);
12388 InitChessProgram(&first, FALSE);
12390 pn = positionNumber;
12391 if (positionNumber < 0) {
12392 /* Negative position number means to seek to that byte offset */
12393 if (fseek(f, -positionNumber, 0) == -1) {
12394 DisplayError(_("Can't seek on position file"), 0);
12399 if (fseek(f, 0, 0) == -1) {
12400 if (f == lastLoadPositionFP ?
12401 positionNumber == lastLoadPositionNumber + 1 :
12402 positionNumber == 1) {
12405 DisplayError(_("Can't seek on position file"), 0);
12410 /* See if this file is FEN or old-style xboard */
12411 if (fgets(line, MSG_SIZ, f) == NULL) {
12412 DisplayError(_("Position not found in file"), 0);
12415 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12416 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12419 if (fenMode || line[0] == '#') pn--;
12421 /* skip positions before number pn */
12422 if (fgets(line, MSG_SIZ, f) == NULL) {
12424 DisplayError(_("Position not found in file"), 0);
12427 if (fenMode || line[0] == '#') pn--;
12432 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12433 DisplayError(_("Bad FEN position in file"), 0);
12437 (void) fgets(line, MSG_SIZ, f);
12438 (void) fgets(line, MSG_SIZ, f);
12440 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12441 (void) fgets(line, MSG_SIZ, f);
12442 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12445 initial_position[i][j++] = CharToPiece(*p);
12449 blackPlaysFirst = FALSE;
12451 (void) fgets(line, MSG_SIZ, f);
12452 if (strncmp(line, "black", strlen("black"))==0)
12453 blackPlaysFirst = TRUE;
12456 startedFromSetupPosition = TRUE;
12458 CopyBoard(boards[0], initial_position);
12459 if (blackPlaysFirst) {
12460 currentMove = forwardMostMove = backwardMostMove = 1;
12461 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12462 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12463 CopyBoard(boards[1], initial_position);
12464 DisplayMessage("", _("Black to play"));
12466 currentMove = forwardMostMove = backwardMostMove = 0;
12467 DisplayMessage("", _("White to play"));
12469 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12470 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12471 SendToProgram("force\n", &first);
12472 SendBoard(&first, forwardMostMove);
12474 if (appData.debugMode) {
12476 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12477 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12478 fprintf(debugFP, "Load Position\n");
12481 if (positionNumber > 1) {
12482 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12483 DisplayTitle(line);
12485 DisplayTitle(title);
12487 gameMode = EditGame;
12490 timeRemaining[0][1] = whiteTimeRemaining;
12491 timeRemaining[1][1] = blackTimeRemaining;
12492 DrawPosition(FALSE, boards[currentMove]);
12499 CopyPlayerNameIntoFileName (char **dest, char *src)
12501 while (*src != NULLCHAR && *src != ',') {
12506 *(*dest)++ = *src++;
12512 DefaultFileName (char *ext)
12514 static char def[MSG_SIZ];
12517 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12519 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12521 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12523 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12530 /* Save the current game to the given file */
12532 SaveGameToFile (char *filename, int append)
12536 int result, i, t,tot=0;
12538 if (strcmp(filename, "-") == 0) {
12539 return SaveGame(stdout, 0, NULL);
12541 for(i=0; i<10; i++) { // upto 10 tries
12542 f = fopen(filename, append ? "a" : "w");
12543 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12544 if(f || errno != 13) break;
12545 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12549 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12550 DisplayError(buf, errno);
12553 safeStrCpy(buf, lastMsg, MSG_SIZ);
12554 DisplayMessage(_("Waiting for access to save file"), "");
12555 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12556 DisplayMessage(_("Saving game"), "");
12557 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12558 result = SaveGame(f, 0, NULL);
12559 DisplayMessage(buf, "");
12566 SavePart (char *str)
12568 static char buf[MSG_SIZ];
12571 p = strchr(str, ' ');
12572 if (p == NULL) return str;
12573 strncpy(buf, str, p - str);
12574 buf[p - str] = NULLCHAR;
12578 #define PGN_MAX_LINE 75
12580 #define PGN_SIDE_WHITE 0
12581 #define PGN_SIDE_BLACK 1
12584 FindFirstMoveOutOfBook (int side)
12588 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12589 int index = backwardMostMove;
12590 int has_book_hit = 0;
12592 if( (index % 2) != side ) {
12596 while( index < forwardMostMove ) {
12597 /* Check to see if engine is in book */
12598 int depth = pvInfoList[index].depth;
12599 int score = pvInfoList[index].score;
12605 else if( score == 0 && depth == 63 ) {
12606 in_book = 1; /* Zappa */
12608 else if( score == 2 && depth == 99 ) {
12609 in_book = 1; /* Abrok */
12612 has_book_hit += in_book;
12628 GetOutOfBookInfo (char * buf)
12632 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12634 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12635 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12639 if( oob[0] >= 0 || oob[1] >= 0 ) {
12640 for( i=0; i<2; i++ ) {
12644 if( i > 0 && oob[0] >= 0 ) {
12645 strcat( buf, " " );
12648 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12649 sprintf( buf+strlen(buf), "%s%.2f",
12650 pvInfoList[idx].score >= 0 ? "+" : "",
12651 pvInfoList[idx].score / 100.0 );
12657 /* Save game in PGN style and close the file */
12659 SaveGamePGN (FILE *f)
12661 int i, offset, linelen, newblock;
12664 int movelen, numlen, blank;
12665 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12667 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12669 PrintPGNTags(f, &gameInfo);
12671 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12673 if (backwardMostMove > 0 || startedFromSetupPosition) {
12674 char *fen = PositionToFEN(backwardMostMove, NULL);
12675 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12676 fprintf(f, "\n{--------------\n");
12677 PrintPosition(f, backwardMostMove);
12678 fprintf(f, "--------------}\n");
12682 /* [AS] Out of book annotation */
12683 if( appData.saveOutOfBookInfo ) {
12686 GetOutOfBookInfo( buf );
12688 if( buf[0] != '\0' ) {
12689 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12696 i = backwardMostMove;
12700 while (i < forwardMostMove) {
12701 /* Print comments preceding this move */
12702 if (commentList[i] != NULL) {
12703 if (linelen > 0) fprintf(f, "\n");
12704 fprintf(f, "%s", commentList[i]);
12709 /* Format move number */
12711 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12714 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12716 numtext[0] = NULLCHAR;
12718 numlen = strlen(numtext);
12721 /* Print move number */
12722 blank = linelen > 0 && numlen > 0;
12723 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12732 fprintf(f, "%s", numtext);
12736 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12737 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12740 blank = linelen > 0 && movelen > 0;
12741 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12750 fprintf(f, "%s", move_buffer);
12751 linelen += movelen;
12753 /* [AS] Add PV info if present */
12754 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12755 /* [HGM] add time */
12756 char buf[MSG_SIZ]; int seconds;
12758 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12764 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12767 seconds = (seconds + 4)/10; // round to full seconds
12769 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12771 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12774 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12775 pvInfoList[i].score >= 0 ? "+" : "",
12776 pvInfoList[i].score / 100.0,
12777 pvInfoList[i].depth,
12780 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12782 /* Print score/depth */
12783 blank = linelen > 0 && movelen > 0;
12784 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12793 fprintf(f, "%s", move_buffer);
12794 linelen += movelen;
12800 /* Start a new line */
12801 if (linelen > 0) fprintf(f, "\n");
12803 /* Print comments after last move */
12804 if (commentList[i] != NULL) {
12805 fprintf(f, "%s\n", commentList[i]);
12809 if (gameInfo.resultDetails != NULL &&
12810 gameInfo.resultDetails[0] != NULLCHAR) {
12811 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12812 PGNResult(gameInfo.result));
12814 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12818 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12822 /* Save game in old style and close the file */
12824 SaveGameOldStyle (FILE *f)
12829 tm = time((time_t *) NULL);
12831 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12834 if (backwardMostMove > 0 || startedFromSetupPosition) {
12835 fprintf(f, "\n[--------------\n");
12836 PrintPosition(f, backwardMostMove);
12837 fprintf(f, "--------------]\n");
12842 i = backwardMostMove;
12843 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12845 while (i < forwardMostMove) {
12846 if (commentList[i] != NULL) {
12847 fprintf(f, "[%s]\n", commentList[i]);
12850 if ((i % 2) == 1) {
12851 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12854 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12856 if (commentList[i] != NULL) {
12860 if (i >= forwardMostMove) {
12864 fprintf(f, "%s\n", parseList[i]);
12869 if (commentList[i] != NULL) {
12870 fprintf(f, "[%s]\n", commentList[i]);
12873 /* This isn't really the old style, but it's close enough */
12874 if (gameInfo.resultDetails != NULL &&
12875 gameInfo.resultDetails[0] != NULLCHAR) {
12876 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12877 gameInfo.resultDetails);
12879 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12886 /* Save the current game to open file f and close the file */
12888 SaveGame (FILE *f, int dummy, char *dummy2)
12890 if (gameMode == EditPosition) EditPositionDone(TRUE);
12891 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12892 if (appData.oldSaveStyle)
12893 return SaveGameOldStyle(f);
12895 return SaveGamePGN(f);
12898 /* Save the current position to the given file */
12900 SavePositionToFile (char *filename)
12905 if (strcmp(filename, "-") == 0) {
12906 return SavePosition(stdout, 0, NULL);
12908 f = fopen(filename, "a");
12910 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12911 DisplayError(buf, errno);
12914 safeStrCpy(buf, lastMsg, MSG_SIZ);
12915 DisplayMessage(_("Waiting for access to save file"), "");
12916 flock(fileno(f), LOCK_EX); // [HGM] lock
12917 DisplayMessage(_("Saving position"), "");
12918 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12919 SavePosition(f, 0, NULL);
12920 DisplayMessage(buf, "");
12926 /* Save the current position to the given open file and close the file */
12928 SavePosition (FILE *f, int dummy, char *dummy2)
12933 if (gameMode == EditPosition) EditPositionDone(TRUE);
12934 if (appData.oldSaveStyle) {
12935 tm = time((time_t *) NULL);
12937 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12939 fprintf(f, "[--------------\n");
12940 PrintPosition(f, currentMove);
12941 fprintf(f, "--------------]\n");
12943 fen = PositionToFEN(currentMove, NULL);
12944 fprintf(f, "%s\n", fen);
12952 ReloadCmailMsgEvent (int unregister)
12955 static char *inFilename = NULL;
12956 static char *outFilename;
12958 struct stat inbuf, outbuf;
12961 /* Any registered moves are unregistered if unregister is set, */
12962 /* i.e. invoked by the signal handler */
12964 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12965 cmailMoveRegistered[i] = FALSE;
12966 if (cmailCommentList[i] != NULL) {
12967 free(cmailCommentList[i]);
12968 cmailCommentList[i] = NULL;
12971 nCmailMovesRegistered = 0;
12974 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12975 cmailResult[i] = CMAIL_NOT_RESULT;
12979 if (inFilename == NULL) {
12980 /* Because the filenames are static they only get malloced once */
12981 /* and they never get freed */
12982 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12983 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12985 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12986 sprintf(outFilename, "%s.out", appData.cmailGameName);
12989 status = stat(outFilename, &outbuf);
12991 cmailMailedMove = FALSE;
12993 status = stat(inFilename, &inbuf);
12994 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12997 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12998 counts the games, notes how each one terminated, etc.
13000 It would be nice to remove this kludge and instead gather all
13001 the information while building the game list. (And to keep it
13002 in the game list nodes instead of having a bunch of fixed-size
13003 parallel arrays.) Note this will require getting each game's
13004 termination from the PGN tags, as the game list builder does
13005 not process the game moves. --mann
13007 cmailMsgLoaded = TRUE;
13008 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13010 /* Load first game in the file or popup game menu */
13011 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13013 #endif /* !WIN32 */
13021 char string[MSG_SIZ];
13023 if ( cmailMailedMove
13024 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13025 return TRUE; /* Allow free viewing */
13028 /* Unregister move to ensure that we don't leave RegisterMove */
13029 /* with the move registered when the conditions for registering no */
13031 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13032 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13033 nCmailMovesRegistered --;
13035 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13037 free(cmailCommentList[lastLoadGameNumber - 1]);
13038 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13042 if (cmailOldMove == -1) {
13043 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13047 if (currentMove > cmailOldMove + 1) {
13048 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13052 if (currentMove < cmailOldMove) {
13053 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13057 if (forwardMostMove > currentMove) {
13058 /* Silently truncate extra moves */
13062 if ( (currentMove == cmailOldMove + 1)
13063 || ( (currentMove == cmailOldMove)
13064 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13065 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13066 if (gameInfo.result != GameUnfinished) {
13067 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13070 if (commentList[currentMove] != NULL) {
13071 cmailCommentList[lastLoadGameNumber - 1]
13072 = StrSave(commentList[currentMove]);
13074 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13076 if (appData.debugMode)
13077 fprintf(debugFP, "Saving %s for game %d\n",
13078 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13080 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13082 f = fopen(string, "w");
13083 if (appData.oldSaveStyle) {
13084 SaveGameOldStyle(f); /* also closes the file */
13086 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13087 f = fopen(string, "w");
13088 SavePosition(f, 0, NULL); /* also closes the file */
13090 fprintf(f, "{--------------\n");
13091 PrintPosition(f, currentMove);
13092 fprintf(f, "--------------}\n\n");
13094 SaveGame(f, 0, NULL); /* also closes the file*/
13097 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13098 nCmailMovesRegistered ++;
13099 } else if (nCmailGames == 1) {
13100 DisplayError(_("You have not made a move yet"), 0);
13111 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13112 FILE *commandOutput;
13113 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13114 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13120 if (! cmailMsgLoaded) {
13121 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13125 if (nCmailGames == nCmailResults) {
13126 DisplayError(_("No unfinished games"), 0);
13130 #if CMAIL_PROHIBIT_REMAIL
13131 if (cmailMailedMove) {
13132 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);
13133 DisplayError(msg, 0);
13138 if (! (cmailMailedMove || RegisterMove())) return;
13140 if ( cmailMailedMove
13141 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13142 snprintf(string, MSG_SIZ, partCommandString,
13143 appData.debugMode ? " -v" : "", appData.cmailGameName);
13144 commandOutput = popen(string, "r");
13146 if (commandOutput == NULL) {
13147 DisplayError(_("Failed to invoke cmail"), 0);
13149 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13150 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13152 if (nBuffers > 1) {
13153 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13154 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13155 nBytes = MSG_SIZ - 1;
13157 (void) memcpy(msg, buffer, nBytes);
13159 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13161 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13162 cmailMailedMove = TRUE; /* Prevent >1 moves */
13165 for (i = 0; i < nCmailGames; i ++) {
13166 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13171 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13173 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13175 appData.cmailGameName,
13177 LoadGameFromFile(buffer, 1, buffer, FALSE);
13178 cmailMsgLoaded = FALSE;
13182 DisplayInformation(msg);
13183 pclose(commandOutput);
13186 if ((*cmailMsg) != '\0') {
13187 DisplayInformation(cmailMsg);
13192 #endif /* !WIN32 */
13201 int prependComma = 0;
13203 char string[MSG_SIZ]; /* Space for game-list */
13206 if (!cmailMsgLoaded) return "";
13208 if (cmailMailedMove) {
13209 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13211 /* Create a list of games left */
13212 snprintf(string, MSG_SIZ, "[");
13213 for (i = 0; i < nCmailGames; i ++) {
13214 if (! ( cmailMoveRegistered[i]
13215 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13216 if (prependComma) {
13217 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13219 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13223 strcat(string, number);
13226 strcat(string, "]");
13228 if (nCmailMovesRegistered + nCmailResults == 0) {
13229 switch (nCmailGames) {
13231 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13235 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13239 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13244 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13246 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13251 if (nCmailResults == nCmailGames) {
13252 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13254 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13259 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13271 if (gameMode == Training)
13272 SetTrainingModeOff();
13275 cmailMsgLoaded = FALSE;
13276 if (appData.icsActive) {
13277 SendToICS(ics_prefix);
13278 SendToICS("refresh\n");
13283 ExitEvent (int status)
13287 /* Give up on clean exit */
13291 /* Keep trying for clean exit */
13295 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13297 if (telnetISR != NULL) {
13298 RemoveInputSource(telnetISR);
13300 if (icsPR != NoProc) {
13301 DestroyChildProcess(icsPR, TRUE);
13304 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13305 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13307 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13308 /* make sure this other one finishes before killing it! */
13309 if(endingGame) { int count = 0;
13310 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13311 while(endingGame && count++ < 10) DoSleep(1);
13312 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13315 /* Kill off chess programs */
13316 if (first.pr != NoProc) {
13319 DoSleep( appData.delayBeforeQuit );
13320 SendToProgram("quit\n", &first);
13321 DoSleep( appData.delayAfterQuit );
13322 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13324 if (second.pr != NoProc) {
13325 DoSleep( appData.delayBeforeQuit );
13326 SendToProgram("quit\n", &second);
13327 DoSleep( appData.delayAfterQuit );
13328 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13330 if (first.isr != NULL) {
13331 RemoveInputSource(first.isr);
13333 if (second.isr != NULL) {
13334 RemoveInputSource(second.isr);
13337 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13338 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13340 ShutDownFrontEnd();
13347 if (appData.debugMode)
13348 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13352 if (gameMode == MachinePlaysWhite ||
13353 gameMode == MachinePlaysBlack) {
13356 DisplayBothClocks();
13358 if (gameMode == PlayFromGameFile) {
13359 if (appData.timeDelay >= 0)
13360 AutoPlayGameLoop();
13361 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13362 Reset(FALSE, TRUE);
13363 SendToICS(ics_prefix);
13364 SendToICS("refresh\n");
13365 } else if (currentMove < forwardMostMove) {
13366 ForwardInner(forwardMostMove);
13368 pauseExamInvalid = FALSE;
13370 switch (gameMode) {
13374 pauseExamForwardMostMove = forwardMostMove;
13375 pauseExamInvalid = FALSE;
13378 case IcsPlayingWhite:
13379 case IcsPlayingBlack:
13383 case PlayFromGameFile:
13384 (void) StopLoadGameTimer();
13388 case BeginningOfGame:
13389 if (appData.icsActive) return;
13390 /* else fall through */
13391 case MachinePlaysWhite:
13392 case MachinePlaysBlack:
13393 case TwoMachinesPlay:
13394 if (forwardMostMove == 0)
13395 return; /* don't pause if no one has moved */
13396 if ((gameMode == MachinePlaysWhite &&
13397 !WhiteOnMove(forwardMostMove)) ||
13398 (gameMode == MachinePlaysBlack &&
13399 WhiteOnMove(forwardMostMove))) {
13411 EditCommentEvent ()
13413 char title[MSG_SIZ];
13415 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13416 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13418 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13419 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13420 parseList[currentMove - 1]);
13423 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13430 char *tags = PGNTags(&gameInfo);
13432 EditTagsPopUp(tags, NULL);
13439 if(second.analyzing) {
13440 SendToProgram("exit\n", &second);
13441 second.analyzing = FALSE;
13443 if (second.pr == NoProc) StartChessProgram(&second);
13444 InitChessProgram(&second, FALSE);
13445 FeedMovesToProgram(&second, currentMove);
13447 SendToProgram("analyze\n", &second);
13448 second.analyzing = TRUE;
13453 AnalyzeModeEvent ()
13455 if (gameMode == AnalyzeMode) { ToggleSecond(); return; }
13456 if (appData.noChessProgram || gameMode == AnalyzeMode)
13459 if (gameMode != AnalyzeFile) {
13460 if (!appData.icsEngineAnalyze) {
13462 if (gameMode != EditGame) return;
13464 ResurrectChessProgram();
13465 SendToProgram("analyze\n", &first);
13466 first.analyzing = TRUE;
13467 /*first.maybeThinking = TRUE;*/
13468 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13469 EngineOutputPopUp();
13471 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13476 StartAnalysisClock();
13477 GetTimeMark(&lastNodeCountTime);
13482 AnalyzeFileEvent ()
13484 if (appData.noChessProgram || gameMode == AnalyzeFile)
13487 if (gameMode != AnalyzeMode) {
13489 if (gameMode != EditGame) return;
13490 ResurrectChessProgram();
13491 SendToProgram("analyze\n", &first);
13492 first.analyzing = TRUE;
13493 /*first.maybeThinking = TRUE;*/
13494 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13495 EngineOutputPopUp();
13497 gameMode = AnalyzeFile;
13502 StartAnalysisClock();
13503 GetTimeMark(&lastNodeCountTime);
13505 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13509 MachineWhiteEvent ()
13512 char *bookHit = NULL;
13514 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13518 if (gameMode == PlayFromGameFile ||
13519 gameMode == TwoMachinesPlay ||
13520 gameMode == Training ||
13521 gameMode == AnalyzeMode ||
13522 gameMode == EndOfGame)
13525 if (gameMode == EditPosition)
13526 EditPositionDone(TRUE);
13528 if (!WhiteOnMove(currentMove)) {
13529 DisplayError(_("It is not White's turn"), 0);
13533 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13536 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13537 gameMode == AnalyzeFile)
13540 ResurrectChessProgram(); /* in case it isn't running */
13541 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13542 gameMode = MachinePlaysWhite;
13545 gameMode = MachinePlaysWhite;
13549 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13551 if (first.sendName) {
13552 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13553 SendToProgram(buf, &first);
13555 if (first.sendTime) {
13556 if (first.useColors) {
13557 SendToProgram("black\n", &first); /*gnu kludge*/
13559 SendTimeRemaining(&first, TRUE);
13561 if (first.useColors) {
13562 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13564 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13565 SetMachineThinkingEnables();
13566 first.maybeThinking = TRUE;
13570 if (appData.autoFlipView && !flipView) {
13571 flipView = !flipView;
13572 DrawPosition(FALSE, NULL);
13573 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13576 if(bookHit) { // [HGM] book: simulate book reply
13577 static char bookMove[MSG_SIZ]; // a bit generous?
13579 programStats.nodes = programStats.depth = programStats.time =
13580 programStats.score = programStats.got_only_move = 0;
13581 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13583 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13584 strcat(bookMove, bookHit);
13585 HandleMachineMove(bookMove, &first);
13590 MachineBlackEvent ()
13593 char *bookHit = NULL;
13595 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13599 if (gameMode == PlayFromGameFile ||
13600 gameMode == TwoMachinesPlay ||
13601 gameMode == Training ||
13602 gameMode == AnalyzeMode ||
13603 gameMode == EndOfGame)
13606 if (gameMode == EditPosition)
13607 EditPositionDone(TRUE);
13609 if (WhiteOnMove(currentMove)) {
13610 DisplayError(_("It is not Black's turn"), 0);
13614 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13617 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13618 gameMode == AnalyzeFile)
13621 ResurrectChessProgram(); /* in case it isn't running */
13622 gameMode = MachinePlaysBlack;
13626 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13628 if (first.sendName) {
13629 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13630 SendToProgram(buf, &first);
13632 if (first.sendTime) {
13633 if (first.useColors) {
13634 SendToProgram("white\n", &first); /*gnu kludge*/
13636 SendTimeRemaining(&first, FALSE);
13638 if (first.useColors) {
13639 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13641 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13642 SetMachineThinkingEnables();
13643 first.maybeThinking = TRUE;
13646 if (appData.autoFlipView && flipView) {
13647 flipView = !flipView;
13648 DrawPosition(FALSE, NULL);
13649 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13651 if(bookHit) { // [HGM] book: simulate book reply
13652 static char bookMove[MSG_SIZ]; // a bit generous?
13654 programStats.nodes = programStats.depth = programStats.time =
13655 programStats.score = programStats.got_only_move = 0;
13656 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13658 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13659 strcat(bookMove, bookHit);
13660 HandleMachineMove(bookMove, &first);
13666 DisplayTwoMachinesTitle ()
13669 if (appData.matchGames > 0) {
13670 if(appData.tourneyFile[0]) {
13671 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13672 gameInfo.white, _("vs."), gameInfo.black,
13673 nextGame+1, appData.matchGames+1,
13674 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13676 if (first.twoMachinesColor[0] == 'w') {
13677 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13678 gameInfo.white, _("vs."), gameInfo.black,
13679 first.matchWins, second.matchWins,
13680 matchGame - 1 - (first.matchWins + second.matchWins));
13682 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13683 gameInfo.white, _("vs."), gameInfo.black,
13684 second.matchWins, first.matchWins,
13685 matchGame - 1 - (first.matchWins + second.matchWins));
13688 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13694 SettingsMenuIfReady ()
13696 if (second.lastPing != second.lastPong) {
13697 DisplayMessage("", _("Waiting for second chess program"));
13698 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13702 DisplayMessage("", "");
13703 SettingsPopUp(&second);
13707 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13710 if (cps->pr == NoProc) {
13711 StartChessProgram(cps);
13712 if (cps->protocolVersion == 1) {
13715 /* kludge: allow timeout for initial "feature" command */
13717 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13718 DisplayMessage("", buf);
13719 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13727 TwoMachinesEvent P((void))
13731 ChessProgramState *onmove;
13732 char *bookHit = NULL;
13733 static int stalling = 0;
13737 if (appData.noChessProgram) return;
13739 switch (gameMode) {
13740 case TwoMachinesPlay:
13742 case MachinePlaysWhite:
13743 case MachinePlaysBlack:
13744 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13745 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13749 case BeginningOfGame:
13750 case PlayFromGameFile:
13753 if (gameMode != EditGame) return;
13756 EditPositionDone(TRUE);
13767 // forwardMostMove = currentMove;
13768 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13770 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13772 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13773 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13774 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13778 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13779 DisplayError("second engine does not play this", 0);
13784 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13785 SendToProgram("force\n", &second);
13787 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13790 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13791 if(appData.matchPause>10000 || appData.matchPause<10)
13792 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13793 wait = SubtractTimeMarks(&now, &pauseStart);
13794 if(wait < appData.matchPause) {
13795 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13798 // we are now committed to starting the game
13800 DisplayMessage("", "");
13801 if (startedFromSetupPosition) {
13802 SendBoard(&second, backwardMostMove);
13803 if (appData.debugMode) {
13804 fprintf(debugFP, "Two Machines\n");
13807 for (i = backwardMostMove; i < forwardMostMove; i++) {
13808 SendMoveToProgram(i, &second);
13811 gameMode = TwoMachinesPlay;
13813 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13815 DisplayTwoMachinesTitle();
13817 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13822 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13823 SendToProgram(first.computerString, &first);
13824 if (first.sendName) {
13825 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13826 SendToProgram(buf, &first);
13828 SendToProgram(second.computerString, &second);
13829 if (second.sendName) {
13830 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13831 SendToProgram(buf, &second);
13835 if (!first.sendTime || !second.sendTime) {
13836 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13837 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13839 if (onmove->sendTime) {
13840 if (onmove->useColors) {
13841 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13843 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13845 if (onmove->useColors) {
13846 SendToProgram(onmove->twoMachinesColor, onmove);
13848 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13849 // SendToProgram("go\n", onmove);
13850 onmove->maybeThinking = TRUE;
13851 SetMachineThinkingEnables();
13855 if(bookHit) { // [HGM] book: simulate book reply
13856 static char bookMove[MSG_SIZ]; // a bit generous?
13858 programStats.nodes = programStats.depth = programStats.time =
13859 programStats.score = programStats.got_only_move = 0;
13860 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13862 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13863 strcat(bookMove, bookHit);
13864 savedMessage = bookMove; // args for deferred call
13865 savedState = onmove;
13866 ScheduleDelayedEvent(DeferredBookMove, 1);
13873 if (gameMode == Training) {
13874 SetTrainingModeOff();
13875 gameMode = PlayFromGameFile;
13876 DisplayMessage("", _("Training mode off"));
13878 gameMode = Training;
13879 animateTraining = appData.animate;
13881 /* make sure we are not already at the end of the game */
13882 if (currentMove < forwardMostMove) {
13883 SetTrainingModeOn();
13884 DisplayMessage("", _("Training mode on"));
13886 gameMode = PlayFromGameFile;
13887 DisplayError(_("Already at end of game"), 0);
13896 if (!appData.icsActive) return;
13897 switch (gameMode) {
13898 case IcsPlayingWhite:
13899 case IcsPlayingBlack:
13902 case BeginningOfGame:
13910 EditPositionDone(TRUE);
13923 gameMode = IcsIdle;
13933 switch (gameMode) {
13935 SetTrainingModeOff();
13937 case MachinePlaysWhite:
13938 case MachinePlaysBlack:
13939 case BeginningOfGame:
13940 SendToProgram("force\n", &first);
13941 SetUserThinkingEnables();
13943 case PlayFromGameFile:
13944 (void) StopLoadGameTimer();
13945 if (gameFileFP != NULL) {
13950 EditPositionDone(TRUE);
13955 SendToProgram("force\n", &first);
13957 case TwoMachinesPlay:
13958 GameEnds(EndOfFile, NULL, GE_PLAYER);
13959 ResurrectChessProgram();
13960 SetUserThinkingEnables();
13963 ResurrectChessProgram();
13965 case IcsPlayingBlack:
13966 case IcsPlayingWhite:
13967 DisplayError(_("Warning: You are still playing a game"), 0);
13970 DisplayError(_("Warning: You are still observing a game"), 0);
13973 DisplayError(_("Warning: You are still examining a game"), 0);
13984 first.offeredDraw = second.offeredDraw = 0;
13986 if (gameMode == PlayFromGameFile) {
13987 whiteTimeRemaining = timeRemaining[0][currentMove];
13988 blackTimeRemaining = timeRemaining[1][currentMove];
13992 if (gameMode == MachinePlaysWhite ||
13993 gameMode == MachinePlaysBlack ||
13994 gameMode == TwoMachinesPlay ||
13995 gameMode == EndOfGame) {
13996 i = forwardMostMove;
13997 while (i > currentMove) {
13998 SendToProgram("undo\n", &first);
14001 if(!adjustedClock) {
14002 whiteTimeRemaining = timeRemaining[0][currentMove];
14003 blackTimeRemaining = timeRemaining[1][currentMove];
14004 DisplayBothClocks();
14006 if (whiteFlag || blackFlag) {
14007 whiteFlag = blackFlag = 0;
14012 gameMode = EditGame;
14019 EditPositionEvent ()
14021 if (gameMode == EditPosition) {
14027 if (gameMode != EditGame) return;
14029 gameMode = EditPosition;
14032 if (currentMove > 0)
14033 CopyBoard(boards[0], boards[currentMove]);
14035 blackPlaysFirst = !WhiteOnMove(currentMove);
14037 currentMove = forwardMostMove = backwardMostMove = 0;
14038 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14040 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14046 /* [DM] icsEngineAnalyze - possible call from other functions */
14047 if (appData.icsEngineAnalyze) {
14048 appData.icsEngineAnalyze = FALSE;
14050 DisplayMessage("",_("Close ICS engine analyze..."));
14052 if (first.analysisSupport && first.analyzing) {
14053 SendToBoth("exit\n");
14054 first.analyzing = second.analyzing = FALSE;
14056 thinkOutput[0] = NULLCHAR;
14060 EditPositionDone (Boolean fakeRights)
14062 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14064 startedFromSetupPosition = TRUE;
14065 InitChessProgram(&first, FALSE);
14066 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14067 boards[0][EP_STATUS] = EP_NONE;
14068 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14069 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14070 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14071 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14072 } else boards[0][CASTLING][2] = NoRights;
14073 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14074 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14075 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14076 } else boards[0][CASTLING][5] = NoRights;
14077 if(gameInfo.variant == VariantSChess) {
14079 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14080 boards[0][VIRGIN][i] = 0;
14081 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14082 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14086 SendToProgram("force\n", &first);
14087 if (blackPlaysFirst) {
14088 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14089 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14090 currentMove = forwardMostMove = backwardMostMove = 1;
14091 CopyBoard(boards[1], boards[0]);
14093 currentMove = forwardMostMove = backwardMostMove = 0;
14095 SendBoard(&first, forwardMostMove);
14096 if (appData.debugMode) {
14097 fprintf(debugFP, "EditPosDone\n");
14100 DisplayMessage("", "");
14101 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14102 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14103 gameMode = EditGame;
14105 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14106 ClearHighlights(); /* [AS] */
14109 /* Pause for `ms' milliseconds */
14110 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14112 TimeDelay (long ms)
14119 } while (SubtractTimeMarks(&m2, &m1) < ms);
14122 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14124 SendMultiLineToICS (char *buf)
14126 char temp[MSG_SIZ+1], *p;
14133 strncpy(temp, buf, len);
14138 if (*p == '\n' || *p == '\r')
14143 strcat(temp, "\n");
14145 SendToPlayer(temp, strlen(temp));
14149 SetWhiteToPlayEvent ()
14151 if (gameMode == EditPosition) {
14152 blackPlaysFirst = FALSE;
14153 DisplayBothClocks(); /* works because currentMove is 0 */
14154 } else if (gameMode == IcsExamining) {
14155 SendToICS(ics_prefix);
14156 SendToICS("tomove white\n");
14161 SetBlackToPlayEvent ()
14163 if (gameMode == EditPosition) {
14164 blackPlaysFirst = TRUE;
14165 currentMove = 1; /* kludge */
14166 DisplayBothClocks();
14168 } else if (gameMode == IcsExamining) {
14169 SendToICS(ics_prefix);
14170 SendToICS("tomove black\n");
14175 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14178 ChessSquare piece = boards[0][y][x];
14180 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14182 switch (selection) {
14184 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14185 SendToICS(ics_prefix);
14186 SendToICS("bsetup clear\n");
14187 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14188 SendToICS(ics_prefix);
14189 SendToICS("clearboard\n");
14191 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14192 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14193 for (y = 0; y < BOARD_HEIGHT; y++) {
14194 if (gameMode == IcsExamining) {
14195 if (boards[currentMove][y][x] != EmptySquare) {
14196 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14201 boards[0][y][x] = p;
14206 if (gameMode == EditPosition) {
14207 DrawPosition(FALSE, boards[0]);
14212 SetWhiteToPlayEvent();
14216 SetBlackToPlayEvent();
14220 if (gameMode == IcsExamining) {
14221 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14222 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14225 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14226 if(x == BOARD_LEFT-2) {
14227 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14228 boards[0][y][1] = 0;
14230 if(x == BOARD_RGHT+1) {
14231 if(y >= gameInfo.holdingsSize) break;
14232 boards[0][y][BOARD_WIDTH-2] = 0;
14235 boards[0][y][x] = EmptySquare;
14236 DrawPosition(FALSE, boards[0]);
14241 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14242 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14243 selection = (ChessSquare) (PROMOTED piece);
14244 } else if(piece == EmptySquare) selection = WhiteSilver;
14245 else selection = (ChessSquare)((int)piece - 1);
14249 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14250 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14251 selection = (ChessSquare) (DEMOTED piece);
14252 } else if(piece == EmptySquare) selection = BlackSilver;
14253 else selection = (ChessSquare)((int)piece + 1);
14258 if(gameInfo.variant == VariantShatranj ||
14259 gameInfo.variant == VariantXiangqi ||
14260 gameInfo.variant == VariantCourier ||
14261 gameInfo.variant == VariantMakruk )
14262 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14267 if(gameInfo.variant == VariantXiangqi)
14268 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14269 if(gameInfo.variant == VariantKnightmate)
14270 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14273 if (gameMode == IcsExamining) {
14274 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14275 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14276 PieceToChar(selection), AAA + x, ONE + y);
14279 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14281 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14282 n = PieceToNumber(selection - BlackPawn);
14283 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14284 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14285 boards[0][BOARD_HEIGHT-1-n][1]++;
14287 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14288 n = PieceToNumber(selection);
14289 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14290 boards[0][n][BOARD_WIDTH-1] = selection;
14291 boards[0][n][BOARD_WIDTH-2]++;
14294 boards[0][y][x] = selection;
14295 DrawPosition(TRUE, boards[0]);
14297 fromX = fromY = -1;
14305 DropMenuEvent (ChessSquare selection, int x, int y)
14307 ChessMove moveType;
14309 switch (gameMode) {
14310 case IcsPlayingWhite:
14311 case MachinePlaysBlack:
14312 if (!WhiteOnMove(currentMove)) {
14313 DisplayMoveError(_("It is Black's turn"));
14316 moveType = WhiteDrop;
14318 case IcsPlayingBlack:
14319 case MachinePlaysWhite:
14320 if (WhiteOnMove(currentMove)) {
14321 DisplayMoveError(_("It is White's turn"));
14324 moveType = BlackDrop;
14327 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14333 if (moveType == BlackDrop && selection < BlackPawn) {
14334 selection = (ChessSquare) ((int) selection
14335 + (int) BlackPawn - (int) WhitePawn);
14337 if (boards[currentMove][y][x] != EmptySquare) {
14338 DisplayMoveError(_("That square is occupied"));
14342 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14348 /* Accept a pending offer of any kind from opponent */
14350 if (appData.icsActive) {
14351 SendToICS(ics_prefix);
14352 SendToICS("accept\n");
14353 } else if (cmailMsgLoaded) {
14354 if (currentMove == cmailOldMove &&
14355 commentList[cmailOldMove] != NULL &&
14356 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14357 "Black offers a draw" : "White offers a draw")) {
14359 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14360 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14362 DisplayError(_("There is no pending offer on this move"), 0);
14363 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14366 /* Not used for offers from chess program */
14373 /* Decline a pending offer of any kind from opponent */
14375 if (appData.icsActive) {
14376 SendToICS(ics_prefix);
14377 SendToICS("decline\n");
14378 } else if (cmailMsgLoaded) {
14379 if (currentMove == cmailOldMove &&
14380 commentList[cmailOldMove] != NULL &&
14381 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14382 "Black offers a draw" : "White offers a draw")) {
14384 AppendComment(cmailOldMove, "Draw declined", TRUE);
14385 DisplayComment(cmailOldMove - 1, "Draw declined");
14388 DisplayError(_("There is no pending offer on this move"), 0);
14391 /* Not used for offers from chess program */
14398 /* Issue ICS rematch command */
14399 if (appData.icsActive) {
14400 SendToICS(ics_prefix);
14401 SendToICS("rematch\n");
14408 /* Call your opponent's flag (claim a win on time) */
14409 if (appData.icsActive) {
14410 SendToICS(ics_prefix);
14411 SendToICS("flag\n");
14413 switch (gameMode) {
14416 case MachinePlaysWhite:
14419 GameEnds(GameIsDrawn, "Both players ran out of time",
14422 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14424 DisplayError(_("Your opponent is not out of time"), 0);
14427 case MachinePlaysBlack:
14430 GameEnds(GameIsDrawn, "Both players ran out of time",
14433 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14435 DisplayError(_("Your opponent is not out of time"), 0);
14443 ClockClick (int which)
14444 { // [HGM] code moved to back-end from winboard.c
14445 if(which) { // black clock
14446 if (gameMode == EditPosition || gameMode == IcsExamining) {
14447 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14448 SetBlackToPlayEvent();
14449 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14450 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14451 } else if (shiftKey) {
14452 AdjustClock(which, -1);
14453 } else if (gameMode == IcsPlayingWhite ||
14454 gameMode == MachinePlaysBlack) {
14457 } else { // white clock
14458 if (gameMode == EditPosition || gameMode == IcsExamining) {
14459 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14460 SetWhiteToPlayEvent();
14461 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14462 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14463 } else if (shiftKey) {
14464 AdjustClock(which, -1);
14465 } else if (gameMode == IcsPlayingBlack ||
14466 gameMode == MachinePlaysWhite) {
14475 /* Offer draw or accept pending draw offer from opponent */
14477 if (appData.icsActive) {
14478 /* Note: tournament rules require draw offers to be
14479 made after you make your move but before you punch
14480 your clock. Currently ICS doesn't let you do that;
14481 instead, you immediately punch your clock after making
14482 a move, but you can offer a draw at any time. */
14484 SendToICS(ics_prefix);
14485 SendToICS("draw\n");
14486 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14487 } else if (cmailMsgLoaded) {
14488 if (currentMove == cmailOldMove &&
14489 commentList[cmailOldMove] != NULL &&
14490 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14491 "Black offers a draw" : "White offers a draw")) {
14492 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14493 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14494 } else if (currentMove == cmailOldMove + 1) {
14495 char *offer = WhiteOnMove(cmailOldMove) ?
14496 "White offers a draw" : "Black offers a draw";
14497 AppendComment(currentMove, offer, TRUE);
14498 DisplayComment(currentMove - 1, offer);
14499 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14501 DisplayError(_("You must make your move before offering a draw"), 0);
14502 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14504 } else if (first.offeredDraw) {
14505 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14507 if (first.sendDrawOffers) {
14508 SendToProgram("draw\n", &first);
14509 userOfferedDraw = TRUE;
14517 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14519 if (appData.icsActive) {
14520 SendToICS(ics_prefix);
14521 SendToICS("adjourn\n");
14523 /* Currently GNU Chess doesn't offer or accept Adjourns */
14531 /* Offer Abort or accept pending Abort offer from opponent */
14533 if (appData.icsActive) {
14534 SendToICS(ics_prefix);
14535 SendToICS("abort\n");
14537 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14544 /* Resign. You can do this even if it's not your turn. */
14546 if (appData.icsActive) {
14547 SendToICS(ics_prefix);
14548 SendToICS("resign\n");
14550 switch (gameMode) {
14551 case MachinePlaysWhite:
14552 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14554 case MachinePlaysBlack:
14555 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14558 if (cmailMsgLoaded) {
14560 if (WhiteOnMove(cmailOldMove)) {
14561 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14563 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14565 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14576 StopObservingEvent ()
14578 /* Stop observing current games */
14579 SendToICS(ics_prefix);
14580 SendToICS("unobserve\n");
14584 StopExaminingEvent ()
14586 /* Stop observing current game */
14587 SendToICS(ics_prefix);
14588 SendToICS("unexamine\n");
14592 ForwardInner (int target)
14594 int limit; int oldSeekGraphUp = seekGraphUp;
14596 if (appData.debugMode)
14597 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14598 target, currentMove, forwardMostMove);
14600 if (gameMode == EditPosition)
14603 seekGraphUp = FALSE;
14604 MarkTargetSquares(1);
14606 if (gameMode == PlayFromGameFile && !pausing)
14609 if (gameMode == IcsExamining && pausing)
14610 limit = pauseExamForwardMostMove;
14612 limit = forwardMostMove;
14614 if (target > limit) target = limit;
14616 if (target > 0 && moveList[target - 1][0]) {
14617 int fromX, fromY, toX, toY;
14618 toX = moveList[target - 1][2] - AAA;
14619 toY = moveList[target - 1][3] - ONE;
14620 if (moveList[target - 1][1] == '@') {
14621 if (appData.highlightLastMove) {
14622 SetHighlights(-1, -1, toX, toY);
14625 fromX = moveList[target - 1][0] - AAA;
14626 fromY = moveList[target - 1][1] - ONE;
14627 if (target == currentMove + 1) {
14628 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14630 if (appData.highlightLastMove) {
14631 SetHighlights(fromX, fromY, toX, toY);
14635 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14636 gameMode == Training || gameMode == PlayFromGameFile ||
14637 gameMode == AnalyzeFile) {
14638 while (currentMove < target) {
14639 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14640 SendMoveToProgram(currentMove++, &first);
14643 currentMove = target;
14646 if (gameMode == EditGame || gameMode == EndOfGame) {
14647 whiteTimeRemaining = timeRemaining[0][currentMove];
14648 blackTimeRemaining = timeRemaining[1][currentMove];
14650 DisplayBothClocks();
14651 DisplayMove(currentMove - 1);
14652 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14653 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14654 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14655 DisplayComment(currentMove - 1, commentList[currentMove]);
14657 ClearMap(); // [HGM] exclude: invalidate map
14664 if (gameMode == IcsExamining && !pausing) {
14665 SendToICS(ics_prefix);
14666 SendToICS("forward\n");
14668 ForwardInner(currentMove + 1);
14675 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14676 /* to optimze, we temporarily turn off analysis mode while we feed
14677 * the remaining moves to the engine. Otherwise we get analysis output
14680 if (first.analysisSupport) {
14681 SendToProgram("exit\nforce\n", &first);
14682 first.analyzing = FALSE;
14686 if (gameMode == IcsExamining && !pausing) {
14687 SendToICS(ics_prefix);
14688 SendToICS("forward 999999\n");
14690 ForwardInner(forwardMostMove);
14693 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14694 /* we have fed all the moves, so reactivate analysis mode */
14695 SendToProgram("analyze\n", &first);
14696 first.analyzing = TRUE;
14697 /*first.maybeThinking = TRUE;*/
14698 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14703 BackwardInner (int target)
14705 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14707 if (appData.debugMode)
14708 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14709 target, currentMove, forwardMostMove);
14711 if (gameMode == EditPosition) return;
14712 seekGraphUp = FALSE;
14713 MarkTargetSquares(1);
14714 if (currentMove <= backwardMostMove) {
14716 DrawPosition(full_redraw, boards[currentMove]);
14719 if (gameMode == PlayFromGameFile && !pausing)
14722 if (moveList[target][0]) {
14723 int fromX, fromY, toX, toY;
14724 toX = moveList[target][2] - AAA;
14725 toY = moveList[target][3] - ONE;
14726 if (moveList[target][1] == '@') {
14727 if (appData.highlightLastMove) {
14728 SetHighlights(-1, -1, toX, toY);
14731 fromX = moveList[target][0] - AAA;
14732 fromY = moveList[target][1] - ONE;
14733 if (target == currentMove - 1) {
14734 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14736 if (appData.highlightLastMove) {
14737 SetHighlights(fromX, fromY, toX, toY);
14741 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14742 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14743 while (currentMove > target) {
14744 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14745 // null move cannot be undone. Reload program with move history before it.
14747 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14748 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14750 SendBoard(&first, i);
14751 if(second.analyzing) SendBoard(&second, i);
14752 for(currentMove=i; currentMove<target; currentMove++) {
14753 SendMoveToProgram(currentMove, &first);
14754 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14758 SendToBoth("undo\n");
14762 currentMove = target;
14765 if (gameMode == EditGame || gameMode == EndOfGame) {
14766 whiteTimeRemaining = timeRemaining[0][currentMove];
14767 blackTimeRemaining = timeRemaining[1][currentMove];
14769 DisplayBothClocks();
14770 DisplayMove(currentMove - 1);
14771 DrawPosition(full_redraw, boards[currentMove]);
14772 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14773 // [HGM] PV info: routine tests if comment empty
14774 DisplayComment(currentMove - 1, commentList[currentMove]);
14775 ClearMap(); // [HGM] exclude: invalidate map
14781 if (gameMode == IcsExamining && !pausing) {
14782 SendToICS(ics_prefix);
14783 SendToICS("backward\n");
14785 BackwardInner(currentMove - 1);
14792 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14793 /* to optimize, we temporarily turn off analysis mode while we undo
14794 * all the moves. Otherwise we get analysis output after each undo.
14796 if (first.analysisSupport) {
14797 SendToProgram("exit\nforce\n", &first);
14798 first.analyzing = FALSE;
14802 if (gameMode == IcsExamining && !pausing) {
14803 SendToICS(ics_prefix);
14804 SendToICS("backward 999999\n");
14806 BackwardInner(backwardMostMove);
14809 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14810 /* we have fed all the moves, so reactivate analysis mode */
14811 SendToProgram("analyze\n", &first);
14812 first.analyzing = TRUE;
14813 /*first.maybeThinking = TRUE;*/
14814 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14821 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14822 if (to >= forwardMostMove) to = forwardMostMove;
14823 if (to <= backwardMostMove) to = backwardMostMove;
14824 if (to < currentMove) {
14832 RevertEvent (Boolean annotate)
14834 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14837 if (gameMode != IcsExamining) {
14838 DisplayError(_("You are not examining a game"), 0);
14842 DisplayError(_("You can't revert while pausing"), 0);
14845 SendToICS(ics_prefix);
14846 SendToICS("revert\n");
14850 RetractMoveEvent ()
14852 switch (gameMode) {
14853 case MachinePlaysWhite:
14854 case MachinePlaysBlack:
14855 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14856 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14859 if (forwardMostMove < 2) return;
14860 currentMove = forwardMostMove = forwardMostMove - 2;
14861 whiteTimeRemaining = timeRemaining[0][currentMove];
14862 blackTimeRemaining = timeRemaining[1][currentMove];
14863 DisplayBothClocks();
14864 DisplayMove(currentMove - 1);
14865 ClearHighlights();/*!! could figure this out*/
14866 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14867 SendToProgram("remove\n", &first);
14868 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14871 case BeginningOfGame:
14875 case IcsPlayingWhite:
14876 case IcsPlayingBlack:
14877 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14878 SendToICS(ics_prefix);
14879 SendToICS("takeback 2\n");
14881 SendToICS(ics_prefix);
14882 SendToICS("takeback 1\n");
14891 ChessProgramState *cps;
14893 switch (gameMode) {
14894 case MachinePlaysWhite:
14895 if (!WhiteOnMove(forwardMostMove)) {
14896 DisplayError(_("It is your turn"), 0);
14901 case MachinePlaysBlack:
14902 if (WhiteOnMove(forwardMostMove)) {
14903 DisplayError(_("It is your turn"), 0);
14908 case TwoMachinesPlay:
14909 if (WhiteOnMove(forwardMostMove) ==
14910 (first.twoMachinesColor[0] == 'w')) {
14916 case BeginningOfGame:
14920 SendToProgram("?\n", cps);
14924 TruncateGameEvent ()
14927 if (gameMode != EditGame) return;
14934 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14935 if (forwardMostMove > currentMove) {
14936 if (gameInfo.resultDetails != NULL) {
14937 free(gameInfo.resultDetails);
14938 gameInfo.resultDetails = NULL;
14939 gameInfo.result = GameUnfinished;
14941 forwardMostMove = currentMove;
14942 HistorySet(parseList, backwardMostMove, forwardMostMove,
14950 if (appData.noChessProgram) return;
14951 switch (gameMode) {
14952 case MachinePlaysWhite:
14953 if (WhiteOnMove(forwardMostMove)) {
14954 DisplayError(_("Wait until your turn"), 0);
14958 case BeginningOfGame:
14959 case MachinePlaysBlack:
14960 if (!WhiteOnMove(forwardMostMove)) {
14961 DisplayError(_("Wait until your turn"), 0);
14966 DisplayError(_("No hint available"), 0);
14969 SendToProgram("hint\n", &first);
14970 hintRequested = TRUE;
14976 if (appData.noChessProgram) return;
14977 switch (gameMode) {
14978 case MachinePlaysWhite:
14979 if (WhiteOnMove(forwardMostMove)) {
14980 DisplayError(_("Wait until your turn"), 0);
14984 case BeginningOfGame:
14985 case MachinePlaysBlack:
14986 if (!WhiteOnMove(forwardMostMove)) {
14987 DisplayError(_("Wait until your turn"), 0);
14992 EditPositionDone(TRUE);
14994 case TwoMachinesPlay:
14999 SendToProgram("bk\n", &first);
15000 bookOutput[0] = NULLCHAR;
15001 bookRequested = TRUE;
15007 char *tags = PGNTags(&gameInfo);
15008 TagsPopUp(tags, CmailMsg());
15012 /* end button procedures */
15015 PrintPosition (FILE *fp, int move)
15019 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15020 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15021 char c = PieceToChar(boards[move][i][j]);
15022 fputc(c == 'x' ? '.' : c, fp);
15023 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15026 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15027 fprintf(fp, "white to play\n");
15029 fprintf(fp, "black to play\n");
15033 PrintOpponents (FILE *fp)
15035 if (gameInfo.white != NULL) {
15036 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15042 /* Find last component of program's own name, using some heuristics */
15044 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15047 int local = (strcmp(host, "localhost") == 0);
15048 while (!local && (p = strchr(prog, ';')) != NULL) {
15050 while (*p == ' ') p++;
15053 if (*prog == '"' || *prog == '\'') {
15054 q = strchr(prog + 1, *prog);
15056 q = strchr(prog, ' ');
15058 if (q == NULL) q = prog + strlen(prog);
15060 while (p >= prog && *p != '/' && *p != '\\') p--;
15062 if(p == prog && *p == '"') p++;
15064 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15065 memcpy(buf, p, q - p);
15066 buf[q - p] = NULLCHAR;
15074 TimeControlTagValue ()
15077 if (!appData.clockMode) {
15078 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15079 } else if (movesPerSession > 0) {
15080 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15081 } else if (timeIncrement == 0) {
15082 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15084 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15086 return StrSave(buf);
15092 /* This routine is used only for certain modes */
15093 VariantClass v = gameInfo.variant;
15094 ChessMove r = GameUnfinished;
15097 if(keepInfo) return;
15099 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15100 r = gameInfo.result;
15101 p = gameInfo.resultDetails;
15102 gameInfo.resultDetails = NULL;
15104 ClearGameInfo(&gameInfo);
15105 gameInfo.variant = v;
15107 switch (gameMode) {
15108 case MachinePlaysWhite:
15109 gameInfo.event = StrSave( appData.pgnEventHeader );
15110 gameInfo.site = StrSave(HostName());
15111 gameInfo.date = PGNDate();
15112 gameInfo.round = StrSave("-");
15113 gameInfo.white = StrSave(first.tidy);
15114 gameInfo.black = StrSave(UserName());
15115 gameInfo.timeControl = TimeControlTagValue();
15118 case MachinePlaysBlack:
15119 gameInfo.event = StrSave( appData.pgnEventHeader );
15120 gameInfo.site = StrSave(HostName());
15121 gameInfo.date = PGNDate();
15122 gameInfo.round = StrSave("-");
15123 gameInfo.white = StrSave(UserName());
15124 gameInfo.black = StrSave(first.tidy);
15125 gameInfo.timeControl = TimeControlTagValue();
15128 case TwoMachinesPlay:
15129 gameInfo.event = StrSave( appData.pgnEventHeader );
15130 gameInfo.site = StrSave(HostName());
15131 gameInfo.date = PGNDate();
15134 snprintf(buf, MSG_SIZ, "%d", roundNr);
15135 gameInfo.round = StrSave(buf);
15137 gameInfo.round = StrSave("-");
15139 if (first.twoMachinesColor[0] == 'w') {
15140 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15141 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15143 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15144 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15146 gameInfo.timeControl = TimeControlTagValue();
15150 gameInfo.event = StrSave("Edited game");
15151 gameInfo.site = StrSave(HostName());
15152 gameInfo.date = PGNDate();
15153 gameInfo.round = StrSave("-");
15154 gameInfo.white = StrSave("-");
15155 gameInfo.black = StrSave("-");
15156 gameInfo.result = r;
15157 gameInfo.resultDetails = p;
15161 gameInfo.event = StrSave("Edited position");
15162 gameInfo.site = StrSave(HostName());
15163 gameInfo.date = PGNDate();
15164 gameInfo.round = StrSave("-");
15165 gameInfo.white = StrSave("-");
15166 gameInfo.black = StrSave("-");
15169 case IcsPlayingWhite:
15170 case IcsPlayingBlack:
15175 case PlayFromGameFile:
15176 gameInfo.event = StrSave("Game from non-PGN file");
15177 gameInfo.site = StrSave(HostName());
15178 gameInfo.date = PGNDate();
15179 gameInfo.round = StrSave("-");
15180 gameInfo.white = StrSave("?");
15181 gameInfo.black = StrSave("?");
15190 ReplaceComment (int index, char *text)
15196 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15197 pvInfoList[index-1].depth == len &&
15198 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15199 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15200 while (*text == '\n') text++;
15201 len = strlen(text);
15202 while (len > 0 && text[len - 1] == '\n') len--;
15204 if (commentList[index] != NULL)
15205 free(commentList[index]);
15208 commentList[index] = NULL;
15211 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15212 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15213 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15214 commentList[index] = (char *) malloc(len + 2);
15215 strncpy(commentList[index], text, len);
15216 commentList[index][len] = '\n';
15217 commentList[index][len + 1] = NULLCHAR;
15219 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15221 commentList[index] = (char *) malloc(len + 7);
15222 safeStrCpy(commentList[index], "{\n", 3);
15223 safeStrCpy(commentList[index]+2, text, len+1);
15224 commentList[index][len+2] = NULLCHAR;
15225 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15226 strcat(commentList[index], "\n}\n");
15231 CrushCRs (char *text)
15239 if (ch == '\r') continue;
15241 } while (ch != '\0');
15245 AppendComment (int index, char *text, Boolean addBraces)
15246 /* addBraces tells if we should add {} */
15251 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15252 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15255 while (*text == '\n') text++;
15256 len = strlen(text);
15257 while (len > 0 && text[len - 1] == '\n') len--;
15258 text[len] = NULLCHAR;
15260 if (len == 0) return;
15262 if (commentList[index] != NULL) {
15263 Boolean addClosingBrace = addBraces;
15264 old = commentList[index];
15265 oldlen = strlen(old);
15266 while(commentList[index][oldlen-1] == '\n')
15267 commentList[index][--oldlen] = NULLCHAR;
15268 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15269 safeStrCpy(commentList[index], old, oldlen + len + 6);
15271 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15272 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15273 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15274 while (*text == '\n') { text++; len--; }
15275 commentList[index][--oldlen] = NULLCHAR;
15277 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15278 else strcat(commentList[index], "\n");
15279 strcat(commentList[index], text);
15280 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15281 else strcat(commentList[index], "\n");
15283 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15285 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15286 else commentList[index][0] = NULLCHAR;
15287 strcat(commentList[index], text);
15288 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15289 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15294 FindStr (char * text, char * sub_text)
15296 char * result = strstr( text, sub_text );
15298 if( result != NULL ) {
15299 result += strlen( sub_text );
15305 /* [AS] Try to extract PV info from PGN comment */
15306 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15308 GetInfoFromComment (int index, char * text)
15310 char * sep = text, *p;
15312 if( text != NULL && index > 0 ) {
15315 int time = -1, sec = 0, deci;
15316 char * s_eval = FindStr( text, "[%eval " );
15317 char * s_emt = FindStr( text, "[%emt " );
15319 if( s_eval != NULL || s_emt != NULL ) {
15323 if( s_eval != NULL ) {
15324 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15328 if( delim != ']' ) {
15333 if( s_emt != NULL ) {
15338 /* We expect something like: [+|-]nnn.nn/dd */
15341 if(*text != '{') return text; // [HGM] braces: must be normal comment
15343 sep = strchr( text, '/' );
15344 if( sep == NULL || sep < (text+4) ) {
15349 if(p[1] == '(') { // comment starts with PV
15350 p = strchr(p, ')'); // locate end of PV
15351 if(p == NULL || sep < p+5) return text;
15352 // at this point we have something like "{(.*) +0.23/6 ..."
15353 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15354 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15355 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15357 time = -1; sec = -1; deci = -1;
15358 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15359 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15360 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15361 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15365 if( score_lo < 0 || score_lo >= 100 ) {
15369 if(sec >= 0) time = 600*time + 10*sec; else
15370 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15372 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15374 /* [HGM] PV time: now locate end of PV info */
15375 while( *++sep >= '0' && *sep <= '9'); // strip depth
15377 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15379 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15381 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15382 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15393 pvInfoList[index-1].depth = depth;
15394 pvInfoList[index-1].score = score;
15395 pvInfoList[index-1].time = 10*time; // centi-sec
15396 if(*sep == '}') *sep = 0; else *--sep = '{';
15397 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15403 SendToProgram (char *message, ChessProgramState *cps)
15405 int count, outCount, error;
15408 if (cps->pr == NoProc) return;
15411 if (appData.debugMode) {
15414 fprintf(debugFP, "%ld >%-6s: %s",
15415 SubtractTimeMarks(&now, &programStartTime),
15416 cps->which, message);
15418 fprintf(serverFP, "%ld >%-6s: %s",
15419 SubtractTimeMarks(&now, &programStartTime),
15420 cps->which, message), fflush(serverFP);
15423 count = strlen(message);
15424 outCount = OutputToProcess(cps->pr, message, count, &error);
15425 if (outCount < count && !exiting
15426 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15427 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15428 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15429 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15430 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15431 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15432 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15433 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15435 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15436 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15437 gameInfo.result = res;
15439 gameInfo.resultDetails = StrSave(buf);
15441 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15442 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15447 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15451 ChessProgramState *cps = (ChessProgramState *)closure;
15453 if (isr != cps->isr) return; /* Killed intentionally */
15456 RemoveInputSource(cps->isr);
15457 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15458 _(cps->which), cps->program);
15459 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15460 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15461 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15462 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15463 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15464 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15466 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15467 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15468 gameInfo.result = res;
15470 gameInfo.resultDetails = StrSave(buf);
15472 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15473 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15475 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15476 _(cps->which), cps->program);
15477 RemoveInputSource(cps->isr);
15479 /* [AS] Program is misbehaving badly... kill it */
15480 if( count == -2 ) {
15481 DestroyChildProcess( cps->pr, 9 );
15485 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15490 if ((end_str = strchr(message, '\r')) != NULL)
15491 *end_str = NULLCHAR;
15492 if ((end_str = strchr(message, '\n')) != NULL)
15493 *end_str = NULLCHAR;
15495 if (appData.debugMode) {
15496 TimeMark now; int print = 1;
15497 char *quote = ""; char c; int i;
15499 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15500 char start = message[0];
15501 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15502 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15503 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15504 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15505 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15506 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15507 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15508 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15509 sscanf(message, "hint: %c", &c)!=1 &&
15510 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15511 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15512 print = (appData.engineComments >= 2);
15514 message[0] = start; // restore original message
15518 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15519 SubtractTimeMarks(&now, &programStartTime), cps->which,
15523 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15524 SubtractTimeMarks(&now, &programStartTime), cps->which,
15526 message), fflush(serverFP);
15530 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15531 if (appData.icsEngineAnalyze) {
15532 if (strstr(message, "whisper") != NULL ||
15533 strstr(message, "kibitz") != NULL ||
15534 strstr(message, "tellics") != NULL) return;
15537 HandleMachineMove(message, cps);
15542 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15547 if( timeControl_2 > 0 ) {
15548 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15549 tc = timeControl_2;
15552 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15553 inc /= cps->timeOdds;
15554 st /= cps->timeOdds;
15556 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15559 /* Set exact time per move, normally using st command */
15560 if (cps->stKludge) {
15561 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15563 if (seconds == 0) {
15564 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15566 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15569 snprintf(buf, MSG_SIZ, "st %d\n", st);
15572 /* Set conventional or incremental time control, using level command */
15573 if (seconds == 0) {
15574 /* Note old gnuchess bug -- minutes:seconds used to not work.
15575 Fixed in later versions, but still avoid :seconds
15576 when seconds is 0. */
15577 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15579 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15580 seconds, inc/1000.);
15583 SendToProgram(buf, cps);
15585 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15586 /* Orthogonally, limit search to given depth */
15588 if (cps->sdKludge) {
15589 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15591 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15593 SendToProgram(buf, cps);
15596 if(cps->nps >= 0) { /* [HGM] nps */
15597 if(cps->supportsNPS == FALSE)
15598 cps->nps = -1; // don't use if engine explicitly says not supported!
15600 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15601 SendToProgram(buf, cps);
15606 ChessProgramState *
15608 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15610 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15611 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15617 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15619 char message[MSG_SIZ];
15622 /* Note: this routine must be called when the clocks are stopped
15623 or when they have *just* been set or switched; otherwise
15624 it will be off by the time since the current tick started.
15626 if (machineWhite) {
15627 time = whiteTimeRemaining / 10;
15628 otime = blackTimeRemaining / 10;
15630 time = blackTimeRemaining / 10;
15631 otime = whiteTimeRemaining / 10;
15633 /* [HGM] translate opponent's time by time-odds factor */
15634 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15636 if (time <= 0) time = 1;
15637 if (otime <= 0) otime = 1;
15639 snprintf(message, MSG_SIZ, "time %ld\n", time);
15640 SendToProgram(message, cps);
15642 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15643 SendToProgram(message, cps);
15647 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15650 int len = strlen(name);
15653 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15655 sscanf(*p, "%d", &val);
15657 while (**p && **p != ' ')
15659 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15660 SendToProgram(buf, cps);
15667 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15670 int len = strlen(name);
15671 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15673 sscanf(*p, "%d", loc);
15674 while (**p && **p != ' ') (*p)++;
15675 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15676 SendToProgram(buf, cps);
15683 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15686 int len = strlen(name);
15687 if (strncmp((*p), name, len) == 0
15688 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15690 sscanf(*p, "%[^\"]", loc);
15691 while (**p && **p != '\"') (*p)++;
15692 if (**p == '\"') (*p)++;
15693 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15694 SendToProgram(buf, cps);
15701 ParseOption (Option *opt, ChessProgramState *cps)
15702 // [HGM] options: process the string that defines an engine option, and determine
15703 // name, type, default value, and allowed value range
15705 char *p, *q, buf[MSG_SIZ];
15706 int n, min = (-1)<<31, max = 1<<31, def;
15708 if(p = strstr(opt->name, " -spin ")) {
15709 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15710 if(max < min) max = min; // enforce consistency
15711 if(def < min) def = min;
15712 if(def > max) def = max;
15717 } else if((p = strstr(opt->name, " -slider "))) {
15718 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15719 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15720 if(max < min) max = min; // enforce consistency
15721 if(def < min) def = min;
15722 if(def > max) def = max;
15726 opt->type = Spin; // Slider;
15727 } else if((p = strstr(opt->name, " -string "))) {
15728 opt->textValue = p+9;
15729 opt->type = TextBox;
15730 } else if((p = strstr(opt->name, " -file "))) {
15731 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15732 opt->textValue = p+7;
15733 opt->type = FileName; // FileName;
15734 } else if((p = strstr(opt->name, " -path "))) {
15735 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15736 opt->textValue = p+7;
15737 opt->type = PathName; // PathName;
15738 } else if(p = strstr(opt->name, " -check ")) {
15739 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15740 opt->value = (def != 0);
15741 opt->type = CheckBox;
15742 } else if(p = strstr(opt->name, " -combo ")) {
15743 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15744 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15745 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15746 opt->value = n = 0;
15747 while(q = StrStr(q, " /// ")) {
15748 n++; *q = 0; // count choices, and null-terminate each of them
15750 if(*q == '*') { // remember default, which is marked with * prefix
15754 cps->comboList[cps->comboCnt++] = q;
15756 cps->comboList[cps->comboCnt++] = NULL;
15758 opt->type = ComboBox;
15759 } else if(p = strstr(opt->name, " -button")) {
15760 opt->type = Button;
15761 } else if(p = strstr(opt->name, " -save")) {
15762 opt->type = SaveButton;
15763 } else return FALSE;
15764 *p = 0; // terminate option name
15765 // now look if the command-line options define a setting for this engine option.
15766 if(cps->optionSettings && cps->optionSettings[0])
15767 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15768 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15769 snprintf(buf, MSG_SIZ, "option %s", p);
15770 if(p = strstr(buf, ",")) *p = 0;
15771 if(q = strchr(buf, '=')) switch(opt->type) {
15773 for(n=0; n<opt->max; n++)
15774 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15777 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15781 opt->value = atoi(q+1);
15786 SendToProgram(buf, cps);
15792 FeatureDone (ChessProgramState *cps, int val)
15794 DelayedEventCallback cb = GetDelayedEvent();
15795 if ((cb == InitBackEnd3 && cps == &first) ||
15796 (cb == SettingsMenuIfReady && cps == &second) ||
15797 (cb == LoadEngine) ||
15798 (cb == TwoMachinesEventIfReady)) {
15799 CancelDelayedEvent();
15800 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15802 cps->initDone = val;
15805 /* Parse feature command from engine */
15807 ParseFeatures (char *args, ChessProgramState *cps)
15815 while (*p == ' ') p++;
15816 if (*p == NULLCHAR) return;
15818 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15819 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15820 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15821 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15822 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15823 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15824 if (BoolFeature(&p, "reuse", &val, cps)) {
15825 /* Engine can disable reuse, but can't enable it if user said no */
15826 if (!val) cps->reuse = FALSE;
15829 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15830 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15831 if (gameMode == TwoMachinesPlay) {
15832 DisplayTwoMachinesTitle();
15838 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15839 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15840 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15841 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15842 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15843 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15844 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15845 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15846 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15847 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15848 if (IntFeature(&p, "done", &val, cps)) {
15849 FeatureDone(cps, val);
15852 /* Added by Tord: */
15853 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15854 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15855 /* End of additions by Tord */
15857 /* [HGM] added features: */
15858 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15859 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15860 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15861 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15862 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15863 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15864 if (StringFeature(&p, "option", buf, cps)) {
15865 FREE(cps->option[cps->nrOptions].name);
15866 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15867 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15868 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15869 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15870 SendToProgram(buf, cps);
15873 if(cps->nrOptions >= MAX_OPTIONS) {
15875 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15876 DisplayError(buf, 0);
15880 /* End of additions by HGM */
15882 /* unknown feature: complain and skip */
15884 while (*q && *q != '=') q++;
15885 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15886 SendToProgram(buf, cps);
15892 while (*p && *p != '\"') p++;
15893 if (*p == '\"') p++;
15895 while (*p && *p != ' ') p++;
15903 PeriodicUpdatesEvent (int newState)
15905 if (newState == appData.periodicUpdates)
15908 appData.periodicUpdates=newState;
15910 /* Display type changes, so update it now */
15911 // DisplayAnalysis();
15913 /* Get the ball rolling again... */
15915 AnalysisPeriodicEvent(1);
15916 StartAnalysisClock();
15921 PonderNextMoveEvent (int newState)
15923 if (newState == appData.ponderNextMove) return;
15924 if (gameMode == EditPosition) EditPositionDone(TRUE);
15926 SendToProgram("hard\n", &first);
15927 if (gameMode == TwoMachinesPlay) {
15928 SendToProgram("hard\n", &second);
15931 SendToProgram("easy\n", &first);
15932 thinkOutput[0] = NULLCHAR;
15933 if (gameMode == TwoMachinesPlay) {
15934 SendToProgram("easy\n", &second);
15937 appData.ponderNextMove = newState;
15941 NewSettingEvent (int option, int *feature, char *command, int value)
15945 if (gameMode == EditPosition) EditPositionDone(TRUE);
15946 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15947 if(feature == NULL || *feature) SendToProgram(buf, &first);
15948 if (gameMode == TwoMachinesPlay) {
15949 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15954 ShowThinkingEvent ()
15955 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15957 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15958 int newState = appData.showThinking
15959 // [HGM] thinking: other features now need thinking output as well
15960 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15962 if (oldState == newState) return;
15963 oldState = newState;
15964 if (gameMode == EditPosition) EditPositionDone(TRUE);
15966 SendToProgram("post\n", &first);
15967 if (gameMode == TwoMachinesPlay) {
15968 SendToProgram("post\n", &second);
15971 SendToProgram("nopost\n", &first);
15972 thinkOutput[0] = NULLCHAR;
15973 if (gameMode == TwoMachinesPlay) {
15974 SendToProgram("nopost\n", &second);
15977 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15981 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15983 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15984 if (pr == NoProc) return;
15985 AskQuestion(title, question, replyPrefix, pr);
15989 TypeInEvent (char firstChar)
15991 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15992 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15993 gameMode == AnalyzeMode || gameMode == EditGame ||
15994 gameMode == EditPosition || gameMode == IcsExamining ||
15995 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15996 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15997 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15998 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15999 gameMode == Training) PopUpMoveDialog(firstChar);
16003 TypeInDoneEvent (char *move)
16006 int n, fromX, fromY, toX, toY;
16008 ChessMove moveType;
16011 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16012 EditPositionPasteFEN(move);
16015 // [HGM] movenum: allow move number to be typed in any mode
16016 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16020 // undocumented kludge: allow command-line option to be typed in!
16021 // (potentially fatal, and does not implement the effect of the option.)
16022 // should only be used for options that are values on which future decisions will be made,
16023 // and definitely not on options that would be used during initialization.
16024 if(strstr(move, "!!! -") == move) {
16025 ParseArgsFromString(move+4);
16029 if (gameMode != EditGame && currentMove != forwardMostMove &&
16030 gameMode != Training) {
16031 DisplayMoveError(_("Displayed move is not current"));
16033 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16034 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16035 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16036 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16037 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16038 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16040 DisplayMoveError(_("Could not parse move"));
16046 DisplayMove (int moveNumber)
16048 char message[MSG_SIZ];
16050 char cpThinkOutput[MSG_SIZ];
16052 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16054 if (moveNumber == forwardMostMove - 1 ||
16055 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16057 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16059 if (strchr(cpThinkOutput, '\n')) {
16060 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16063 *cpThinkOutput = NULLCHAR;
16066 /* [AS] Hide thinking from human user */
16067 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16068 *cpThinkOutput = NULLCHAR;
16069 if( thinkOutput[0] != NULLCHAR ) {
16072 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16073 cpThinkOutput[i] = '.';
16075 cpThinkOutput[i] = NULLCHAR;
16076 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16080 if (moveNumber == forwardMostMove - 1 &&
16081 gameInfo.resultDetails != NULL) {
16082 if (gameInfo.resultDetails[0] == NULLCHAR) {
16083 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16085 snprintf(res, MSG_SIZ, " {%s} %s",
16086 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16092 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16093 DisplayMessage(res, cpThinkOutput);
16095 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16096 WhiteOnMove(moveNumber) ? " " : ".. ",
16097 parseList[moveNumber], res);
16098 DisplayMessage(message, cpThinkOutput);
16103 DisplayComment (int moveNumber, char *text)
16105 char title[MSG_SIZ];
16107 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16108 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16110 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16111 WhiteOnMove(moveNumber) ? " " : ".. ",
16112 parseList[moveNumber]);
16114 if (text != NULL && (appData.autoDisplayComment || commentUp))
16115 CommentPopUp(title, text);
16118 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16119 * might be busy thinking or pondering. It can be omitted if your
16120 * gnuchess is configured to stop thinking immediately on any user
16121 * input. However, that gnuchess feature depends on the FIONREAD
16122 * ioctl, which does not work properly on some flavors of Unix.
16125 Attention (ChessProgramState *cps)
16128 if (!cps->useSigint) return;
16129 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16130 switch (gameMode) {
16131 case MachinePlaysWhite:
16132 case MachinePlaysBlack:
16133 case TwoMachinesPlay:
16134 case IcsPlayingWhite:
16135 case IcsPlayingBlack:
16138 /* Skip if we know it isn't thinking */
16139 if (!cps->maybeThinking) return;
16140 if (appData.debugMode)
16141 fprintf(debugFP, "Interrupting %s\n", cps->which);
16142 InterruptChildProcess(cps->pr);
16143 cps->maybeThinking = FALSE;
16148 #endif /*ATTENTION*/
16154 if (whiteTimeRemaining <= 0) {
16157 if (appData.icsActive) {
16158 if (appData.autoCallFlag &&
16159 gameMode == IcsPlayingBlack && !blackFlag) {
16160 SendToICS(ics_prefix);
16161 SendToICS("flag\n");
16165 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16167 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16168 if (appData.autoCallFlag) {
16169 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16176 if (blackTimeRemaining <= 0) {
16179 if (appData.icsActive) {
16180 if (appData.autoCallFlag &&
16181 gameMode == IcsPlayingWhite && !whiteFlag) {
16182 SendToICS(ics_prefix);
16183 SendToICS("flag\n");
16187 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16189 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16190 if (appData.autoCallFlag) {
16191 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16202 CheckTimeControl ()
16204 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16205 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16208 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16210 if ( !WhiteOnMove(forwardMostMove) ) {
16211 /* White made time control */
16212 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16213 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16214 /* [HGM] time odds: correct new time quota for time odds! */
16215 / WhitePlayer()->timeOdds;
16216 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16218 lastBlack -= blackTimeRemaining;
16219 /* Black made time control */
16220 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16221 / WhitePlayer()->other->timeOdds;
16222 lastWhite = whiteTimeRemaining;
16227 DisplayBothClocks ()
16229 int wom = gameMode == EditPosition ?
16230 !blackPlaysFirst : WhiteOnMove(currentMove);
16231 DisplayWhiteClock(whiteTimeRemaining, wom);
16232 DisplayBlackClock(blackTimeRemaining, !wom);
16236 /* Timekeeping seems to be a portability nightmare. I think everyone
16237 has ftime(), but I'm really not sure, so I'm including some ifdefs
16238 to use other calls if you don't. Clocks will be less accurate if
16239 you have neither ftime nor gettimeofday.
16242 /* VS 2008 requires the #include outside of the function */
16243 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16244 #include <sys/timeb.h>
16247 /* Get the current time as a TimeMark */
16249 GetTimeMark (TimeMark *tm)
16251 #if HAVE_GETTIMEOFDAY
16253 struct timeval timeVal;
16254 struct timezone timeZone;
16256 gettimeofday(&timeVal, &timeZone);
16257 tm->sec = (long) timeVal.tv_sec;
16258 tm->ms = (int) (timeVal.tv_usec / 1000L);
16260 #else /*!HAVE_GETTIMEOFDAY*/
16263 // include <sys/timeb.h> / moved to just above start of function
16264 struct timeb timeB;
16267 tm->sec = (long) timeB.time;
16268 tm->ms = (int) timeB.millitm;
16270 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16271 tm->sec = (long) time(NULL);
16277 /* Return the difference in milliseconds between two
16278 time marks. We assume the difference will fit in a long!
16281 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16283 return 1000L*(tm2->sec - tm1->sec) +
16284 (long) (tm2->ms - tm1->ms);
16289 * Code to manage the game clocks.
16291 * In tournament play, black starts the clock and then white makes a move.
16292 * We give the human user a slight advantage if he is playing white---the
16293 * clocks don't run until he makes his first move, so it takes zero time.
16294 * Also, we don't account for network lag, so we could get out of sync
16295 * with GNU Chess's clock -- but then, referees are always right.
16298 static TimeMark tickStartTM;
16299 static long intendedTickLength;
16302 NextTickLength (long timeRemaining)
16304 long nominalTickLength, nextTickLength;
16306 if (timeRemaining > 0L && timeRemaining <= 10000L)
16307 nominalTickLength = 100L;
16309 nominalTickLength = 1000L;
16310 nextTickLength = timeRemaining % nominalTickLength;
16311 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16313 return nextTickLength;
16316 /* Adjust clock one minute up or down */
16318 AdjustClock (Boolean which, int dir)
16320 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16321 if(which) blackTimeRemaining += 60000*dir;
16322 else whiteTimeRemaining += 60000*dir;
16323 DisplayBothClocks();
16324 adjustedClock = TRUE;
16327 /* Stop clocks and reset to a fresh time control */
16331 (void) StopClockTimer();
16332 if (appData.icsActive) {
16333 whiteTimeRemaining = blackTimeRemaining = 0;
16334 } else if (searchTime) {
16335 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16336 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16337 } else { /* [HGM] correct new time quote for time odds */
16338 whiteTC = blackTC = fullTimeControlString;
16339 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16340 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16342 if (whiteFlag || blackFlag) {
16344 whiteFlag = blackFlag = FALSE;
16346 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16347 DisplayBothClocks();
16348 adjustedClock = FALSE;
16351 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16353 /* Decrement running clock by amount of time that has passed */
16357 long timeRemaining;
16358 long lastTickLength, fudge;
16361 if (!appData.clockMode) return;
16362 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16366 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16368 /* Fudge if we woke up a little too soon */
16369 fudge = intendedTickLength - lastTickLength;
16370 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16372 if (WhiteOnMove(forwardMostMove)) {
16373 if(whiteNPS >= 0) lastTickLength = 0;
16374 timeRemaining = whiteTimeRemaining -= lastTickLength;
16375 if(timeRemaining < 0 && !appData.icsActive) {
16376 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16377 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16378 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16379 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16382 DisplayWhiteClock(whiteTimeRemaining - fudge,
16383 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16385 if(blackNPS >= 0) lastTickLength = 0;
16386 timeRemaining = blackTimeRemaining -= lastTickLength;
16387 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16388 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16390 blackStartMove = forwardMostMove;
16391 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16394 DisplayBlackClock(blackTimeRemaining - fudge,
16395 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16397 if (CheckFlags()) return;
16399 if(twoBoards) { // count down secondary board's clocks as well
16400 activePartnerTime -= lastTickLength;
16402 if(activePartner == 'W')
16403 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16405 DisplayBlackClock(activePartnerTime, TRUE);
16410 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16411 StartClockTimer(intendedTickLength);
16413 /* if the time remaining has fallen below the alarm threshold, sound the
16414 * alarm. if the alarm has sounded and (due to a takeback or time control
16415 * with increment) the time remaining has increased to a level above the
16416 * threshold, reset the alarm so it can sound again.
16419 if (appData.icsActive && appData.icsAlarm) {
16421 /* make sure we are dealing with the user's clock */
16422 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16423 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16426 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16427 alarmSounded = FALSE;
16428 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16430 alarmSounded = TRUE;
16436 /* A player has just moved, so stop the previously running
16437 clock and (if in clock mode) start the other one.
16438 We redisplay both clocks in case we're in ICS mode, because
16439 ICS gives us an update to both clocks after every move.
16440 Note that this routine is called *after* forwardMostMove
16441 is updated, so the last fractional tick must be subtracted
16442 from the color that is *not* on move now.
16445 SwitchClocks (int newMoveNr)
16447 long lastTickLength;
16449 int flagged = FALSE;
16453 if (StopClockTimer() && appData.clockMode) {
16454 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16455 if (!WhiteOnMove(forwardMostMove)) {
16456 if(blackNPS >= 0) lastTickLength = 0;
16457 blackTimeRemaining -= lastTickLength;
16458 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16459 // if(pvInfoList[forwardMostMove].time == -1)
16460 pvInfoList[forwardMostMove].time = // use GUI time
16461 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16463 if(whiteNPS >= 0) lastTickLength = 0;
16464 whiteTimeRemaining -= lastTickLength;
16465 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16466 // if(pvInfoList[forwardMostMove].time == -1)
16467 pvInfoList[forwardMostMove].time =
16468 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16470 flagged = CheckFlags();
16472 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16473 CheckTimeControl();
16475 if (flagged || !appData.clockMode) return;
16477 switch (gameMode) {
16478 case MachinePlaysBlack:
16479 case MachinePlaysWhite:
16480 case BeginningOfGame:
16481 if (pausing) return;
16485 case PlayFromGameFile:
16493 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16494 if(WhiteOnMove(forwardMostMove))
16495 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16496 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16500 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16501 whiteTimeRemaining : blackTimeRemaining);
16502 StartClockTimer(intendedTickLength);
16506 /* Stop both clocks */
16510 long lastTickLength;
16513 if (!StopClockTimer()) return;
16514 if (!appData.clockMode) return;
16518 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16519 if (WhiteOnMove(forwardMostMove)) {
16520 if(whiteNPS >= 0) lastTickLength = 0;
16521 whiteTimeRemaining -= lastTickLength;
16522 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16524 if(blackNPS >= 0) lastTickLength = 0;
16525 blackTimeRemaining -= lastTickLength;
16526 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16531 /* Start clock of player on move. Time may have been reset, so
16532 if clock is already running, stop and restart it. */
16536 (void) StopClockTimer(); /* in case it was running already */
16537 DisplayBothClocks();
16538 if (CheckFlags()) return;
16540 if (!appData.clockMode) return;
16541 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16543 GetTimeMark(&tickStartTM);
16544 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16545 whiteTimeRemaining : blackTimeRemaining);
16547 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16548 whiteNPS = blackNPS = -1;
16549 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16550 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16551 whiteNPS = first.nps;
16552 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16553 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16554 blackNPS = first.nps;
16555 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16556 whiteNPS = second.nps;
16557 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16558 blackNPS = second.nps;
16559 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16561 StartClockTimer(intendedTickLength);
16565 TimeString (long ms)
16567 long second, minute, hour, day;
16569 static char buf[32];
16571 if (ms > 0 && ms <= 9900) {
16572 /* convert milliseconds to tenths, rounding up */
16573 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16575 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16579 /* convert milliseconds to seconds, rounding up */
16580 /* use floating point to avoid strangeness of integer division
16581 with negative dividends on many machines */
16582 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16589 day = second / (60 * 60 * 24);
16590 second = second % (60 * 60 * 24);
16591 hour = second / (60 * 60);
16592 second = second % (60 * 60);
16593 minute = second / 60;
16594 second = second % 60;
16597 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16598 sign, day, hour, minute, second);
16600 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16602 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16609 * This is necessary because some C libraries aren't ANSI C compliant yet.
16612 StrStr (char *string, char *match)
16616 length = strlen(match);
16618 for (i = strlen(string) - length; i >= 0; i--, string++)
16619 if (!strncmp(match, string, length))
16626 StrCaseStr (char *string, char *match)
16630 length = strlen(match);
16632 for (i = strlen(string) - length; i >= 0; i--, string++) {
16633 for (j = 0; j < length; j++) {
16634 if (ToLower(match[j]) != ToLower(string[j]))
16637 if (j == length) return string;
16645 StrCaseCmp (char *s1, char *s2)
16650 c1 = ToLower(*s1++);
16651 c2 = ToLower(*s2++);
16652 if (c1 > c2) return 1;
16653 if (c1 < c2) return -1;
16654 if (c1 == NULLCHAR) return 0;
16662 return isupper(c) ? tolower(c) : c;
16669 return islower(c) ? toupper(c) : c;
16671 #endif /* !_amigados */
16678 if ((ret = (char *) malloc(strlen(s) + 1)))
16680 safeStrCpy(ret, s, strlen(s)+1);
16686 StrSavePtr (char *s, char **savePtr)
16691 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16692 safeStrCpy(*savePtr, s, strlen(s)+1);
16704 clock = time((time_t *)NULL);
16705 tm = localtime(&clock);
16706 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16707 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16708 return StrSave(buf);
16713 PositionToFEN (int move, char *overrideCastling)
16715 int i, j, fromX, fromY, toX, toY;
16722 whiteToPlay = (gameMode == EditPosition) ?
16723 !blackPlaysFirst : (move % 2 == 0);
16726 /* Piece placement data */
16727 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16728 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16730 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16731 if (boards[move][i][j] == EmptySquare) {
16733 } else { ChessSquare piece = boards[move][i][j];
16734 if (emptycount > 0) {
16735 if(emptycount<10) /* [HGM] can be >= 10 */
16736 *p++ = '0' + emptycount;
16737 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16740 if(PieceToChar(piece) == '+') {
16741 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16743 piece = (ChessSquare)(DEMOTED piece);
16745 *p++ = PieceToChar(piece);
16747 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16748 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16753 if (emptycount > 0) {
16754 if(emptycount<10) /* [HGM] can be >= 10 */
16755 *p++ = '0' + emptycount;
16756 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16763 /* [HGM] print Crazyhouse or Shogi holdings */
16764 if( gameInfo.holdingsWidth ) {
16765 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16767 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16768 piece = boards[move][i][BOARD_WIDTH-1];
16769 if( piece != EmptySquare )
16770 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16771 *p++ = PieceToChar(piece);
16773 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16774 piece = boards[move][BOARD_HEIGHT-i-1][0];
16775 if( piece != EmptySquare )
16776 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16777 *p++ = PieceToChar(piece);
16780 if( q == p ) *p++ = '-';
16786 *p++ = whiteToPlay ? 'w' : 'b';
16789 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16790 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16792 if(nrCastlingRights) {
16794 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16795 /* [HGM] write directly from rights */
16796 if(boards[move][CASTLING][2] != NoRights &&
16797 boards[move][CASTLING][0] != NoRights )
16798 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16799 if(boards[move][CASTLING][2] != NoRights &&
16800 boards[move][CASTLING][1] != NoRights )
16801 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16802 if(boards[move][CASTLING][5] != NoRights &&
16803 boards[move][CASTLING][3] != NoRights )
16804 *p++ = boards[move][CASTLING][3] + AAA;
16805 if(boards[move][CASTLING][5] != NoRights &&
16806 boards[move][CASTLING][4] != NoRights )
16807 *p++ = boards[move][CASTLING][4] + AAA;
16810 /* [HGM] write true castling rights */
16811 if( nrCastlingRights == 6 ) {
16813 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16814 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16815 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16816 boards[move][CASTLING][2] != NoRights );
16817 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16818 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16819 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16820 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16821 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16825 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16826 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16827 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16828 boards[move][CASTLING][5] != NoRights );
16829 if(gameInfo.variant == VariantSChess) {
16830 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16831 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16832 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16833 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16838 if (q == p) *p++ = '-'; /* No castling rights */
16842 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16843 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16844 /* En passant target square */
16845 if (move > backwardMostMove) {
16846 fromX = moveList[move - 1][0] - AAA;
16847 fromY = moveList[move - 1][1] - ONE;
16848 toX = moveList[move - 1][2] - AAA;
16849 toY = moveList[move - 1][3] - ONE;
16850 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16851 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16852 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16854 /* 2-square pawn move just happened */
16856 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16860 } else if(move == backwardMostMove) {
16861 // [HGM] perhaps we should always do it like this, and forget the above?
16862 if((signed char)boards[move][EP_STATUS] >= 0) {
16863 *p++ = boards[move][EP_STATUS] + AAA;
16864 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16875 /* [HGM] find reversible plies */
16876 { int i = 0, j=move;
16878 if (appData.debugMode) { int k;
16879 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16880 for(k=backwardMostMove; k<=forwardMostMove; k++)
16881 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16885 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16886 if( j == backwardMostMove ) i += initialRulePlies;
16887 sprintf(p, "%d ", i);
16888 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16890 /* Fullmove number */
16891 sprintf(p, "%d", (move / 2) + 1);
16893 return StrSave(buf);
16897 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16901 int emptycount, virgin[BOARD_FILES];
16906 /* [HGM] by default clear Crazyhouse holdings, if present */
16907 if(gameInfo.holdingsWidth) {
16908 for(i=0; i<BOARD_HEIGHT; i++) {
16909 board[i][0] = EmptySquare; /* black holdings */
16910 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16911 board[i][1] = (ChessSquare) 0; /* black counts */
16912 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16916 /* Piece placement data */
16917 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16920 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16921 if (*p == '/') p++;
16922 emptycount = gameInfo.boardWidth - j;
16923 while (emptycount--)
16924 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16926 #if(BOARD_FILES >= 10)
16927 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16928 p++; emptycount=10;
16929 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16930 while (emptycount--)
16931 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16933 } else if (isdigit(*p)) {
16934 emptycount = *p++ - '0';
16935 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16936 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16937 while (emptycount--)
16938 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16939 } else if (*p == '+' || isalpha(*p)) {
16940 if (j >= gameInfo.boardWidth) return FALSE;
16942 piece = CharToPiece(*++p);
16943 if(piece == EmptySquare) return FALSE; /* unknown piece */
16944 piece = (ChessSquare) (PROMOTED piece ); p++;
16945 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16946 } else piece = CharToPiece(*p++);
16948 if(piece==EmptySquare) return FALSE; /* unknown piece */
16949 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16950 piece = (ChessSquare) (PROMOTED piece);
16951 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16954 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16960 while (*p == '/' || *p == ' ') p++;
16962 /* [HGM] look for Crazyhouse holdings here */
16963 while(*p==' ') p++;
16964 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16966 if(*p == '-' ) p++; /* empty holdings */ else {
16967 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16968 /* if we would allow FEN reading to set board size, we would */
16969 /* have to add holdings and shift the board read so far here */
16970 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16972 if((int) piece >= (int) BlackPawn ) {
16973 i = (int)piece - (int)BlackPawn;
16974 i = PieceToNumber((ChessSquare)i);
16975 if( i >= gameInfo.holdingsSize ) return FALSE;
16976 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16977 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16979 i = (int)piece - (int)WhitePawn;
16980 i = PieceToNumber((ChessSquare)i);
16981 if( i >= gameInfo.holdingsSize ) return FALSE;
16982 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16983 board[i][BOARD_WIDTH-2]++; /* black holdings */
16990 while(*p == ' ') p++;
16994 if(appData.colorNickNames) {
16995 if( c == appData.colorNickNames[0] ) c = 'w'; else
16996 if( c == appData.colorNickNames[1] ) c = 'b';
17000 *blackPlaysFirst = FALSE;
17003 *blackPlaysFirst = TRUE;
17009 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17010 /* return the extra info in global variiables */
17012 /* set defaults in case FEN is incomplete */
17013 board[EP_STATUS] = EP_UNKNOWN;
17014 for(i=0; i<nrCastlingRights; i++ ) {
17015 board[CASTLING][i] =
17016 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17017 } /* assume possible unless obviously impossible */
17018 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17019 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17020 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17021 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17022 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17023 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17024 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17025 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17028 while(*p==' ') p++;
17029 if(nrCastlingRights) {
17030 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17031 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17032 /* castling indicator present, so default becomes no castlings */
17033 for(i=0; i<nrCastlingRights; i++ ) {
17034 board[CASTLING][i] = NoRights;
17037 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17038 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17039 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17040 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17041 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17043 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17044 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17045 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17047 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17048 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17049 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17050 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17051 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17052 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17055 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17056 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17057 board[CASTLING][2] = whiteKingFile;
17058 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17059 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17062 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17063 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17064 board[CASTLING][2] = whiteKingFile;
17065 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17066 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17069 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17070 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17071 board[CASTLING][5] = blackKingFile;
17072 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17073 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17076 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17077 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17078 board[CASTLING][5] = blackKingFile;
17079 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17080 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17083 default: /* FRC castlings */
17084 if(c >= 'a') { /* black rights */
17085 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17086 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17087 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17088 if(i == BOARD_RGHT) break;
17089 board[CASTLING][5] = i;
17091 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17092 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17094 board[CASTLING][3] = c;
17096 board[CASTLING][4] = c;
17097 } else { /* white rights */
17098 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17099 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17100 if(board[0][i] == WhiteKing) break;
17101 if(i == BOARD_RGHT) break;
17102 board[CASTLING][2] = i;
17103 c -= AAA - 'a' + 'A';
17104 if(board[0][c] >= WhiteKing) break;
17106 board[CASTLING][0] = c;
17108 board[CASTLING][1] = c;
17112 for(i=0; i<nrCastlingRights; i++)
17113 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17114 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17115 if (appData.debugMode) {
17116 fprintf(debugFP, "FEN castling rights:");
17117 for(i=0; i<nrCastlingRights; i++)
17118 fprintf(debugFP, " %d", board[CASTLING][i]);
17119 fprintf(debugFP, "\n");
17122 while(*p==' ') p++;
17125 /* read e.p. field in games that know e.p. capture */
17126 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17127 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17129 p++; board[EP_STATUS] = EP_NONE;
17131 char c = *p++ - AAA;
17133 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17134 if(*p >= '0' && *p <='9') p++;
17135 board[EP_STATUS] = c;
17140 if(sscanf(p, "%d", &i) == 1) {
17141 FENrulePlies = i; /* 50-move ply counter */
17142 /* (The move number is still ignored) */
17149 EditPositionPasteFEN (char *fen)
17152 Board initial_position;
17154 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17155 DisplayError(_("Bad FEN position in clipboard"), 0);
17158 int savedBlackPlaysFirst = blackPlaysFirst;
17159 EditPositionEvent();
17160 blackPlaysFirst = savedBlackPlaysFirst;
17161 CopyBoard(boards[0], initial_position);
17162 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17163 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17164 DisplayBothClocks();
17165 DrawPosition(FALSE, boards[currentMove]);
17170 static char cseq[12] = "\\ ";
17173 set_cont_sequence (char *new_seq)
17178 // handle bad attempts to set the sequence
17180 return 0; // acceptable error - no debug
17182 len = strlen(new_seq);
17183 ret = (len > 0) && (len < sizeof(cseq));
17185 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17186 else if (appData.debugMode)
17187 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17192 reformat a source message so words don't cross the width boundary. internal
17193 newlines are not removed. returns the wrapped size (no null character unless
17194 included in source message). If dest is NULL, only calculate the size required
17195 for the dest buffer. lp argument indicats line position upon entry, and it's
17196 passed back upon exit.
17199 wrap (char *dest, char *src, int count, int width, int *lp)
17201 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17203 cseq_len = strlen(cseq);
17204 old_line = line = *lp;
17205 ansi = len = clen = 0;
17207 for (i=0; i < count; i++)
17209 if (src[i] == '\033')
17212 // if we hit the width, back up
17213 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17215 // store i & len in case the word is too long
17216 old_i = i, old_len = len;
17218 // find the end of the last word
17219 while (i && src[i] != ' ' && src[i] != '\n')
17225 // word too long? restore i & len before splitting it
17226 if ((old_i-i+clen) >= width)
17233 if (i && src[i-1] == ' ')
17236 if (src[i] != ' ' && src[i] != '\n')
17243 // now append the newline and continuation sequence
17248 strncpy(dest+len, cseq, cseq_len);
17256 dest[len] = src[i];
17260 if (src[i] == '\n')
17265 if (dest && appData.debugMode)
17267 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17268 count, width, line, len, *lp);
17269 show_bytes(debugFP, src, count);
17270 fprintf(debugFP, "\ndest: ");
17271 show_bytes(debugFP, dest, len);
17272 fprintf(debugFP, "\n");
17274 *lp = dest ? line : old_line;
17279 // [HGM] vari: routines for shelving variations
17280 Boolean modeRestore = FALSE;
17283 PushInner (int firstMove, int lastMove)
17285 int i, j, nrMoves = lastMove - firstMove;
17287 // push current tail of game on stack
17288 savedResult[storedGames] = gameInfo.result;
17289 savedDetails[storedGames] = gameInfo.resultDetails;
17290 gameInfo.resultDetails = NULL;
17291 savedFirst[storedGames] = firstMove;
17292 savedLast [storedGames] = lastMove;
17293 savedFramePtr[storedGames] = framePtr;
17294 framePtr -= nrMoves; // reserve space for the boards
17295 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17296 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17297 for(j=0; j<MOVE_LEN; j++)
17298 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17299 for(j=0; j<2*MOVE_LEN; j++)
17300 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17301 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17302 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17303 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17304 pvInfoList[firstMove+i-1].depth = 0;
17305 commentList[framePtr+i] = commentList[firstMove+i];
17306 commentList[firstMove+i] = NULL;
17310 forwardMostMove = firstMove; // truncate game so we can start variation
17314 PushTail (int firstMove, int lastMove)
17316 if(appData.icsActive) { // only in local mode
17317 forwardMostMove = currentMove; // mimic old ICS behavior
17320 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17322 PushInner(firstMove, lastMove);
17323 if(storedGames == 1) GreyRevert(FALSE);
17324 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17328 PopInner (Boolean annotate)
17331 char buf[8000], moveBuf[20];
17333 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17334 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17335 nrMoves = savedLast[storedGames] - currentMove;
17338 if(!WhiteOnMove(currentMove))
17339 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17340 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17341 for(i=currentMove; i<forwardMostMove; i++) {
17343 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17344 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17345 strcat(buf, moveBuf);
17346 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17347 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17351 for(i=1; i<=nrMoves; i++) { // copy last variation back
17352 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17353 for(j=0; j<MOVE_LEN; j++)
17354 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17355 for(j=0; j<2*MOVE_LEN; j++)
17356 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17357 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17358 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17359 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17360 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17361 commentList[currentMove+i] = commentList[framePtr+i];
17362 commentList[framePtr+i] = NULL;
17364 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17365 framePtr = savedFramePtr[storedGames];
17366 gameInfo.result = savedResult[storedGames];
17367 if(gameInfo.resultDetails != NULL) {
17368 free(gameInfo.resultDetails);
17370 gameInfo.resultDetails = savedDetails[storedGames];
17371 forwardMostMove = currentMove + nrMoves;
17375 PopTail (Boolean annotate)
17377 if(appData.icsActive) return FALSE; // only in local mode
17378 if(!storedGames) return FALSE; // sanity
17379 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17381 PopInner(annotate);
17382 if(currentMove < forwardMostMove) ForwardEvent(); else
17383 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17385 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17391 { // remove all shelved variations
17393 for(i=0; i<storedGames; i++) {
17394 if(savedDetails[i])
17395 free(savedDetails[i]);
17396 savedDetails[i] = NULL;
17398 for(i=framePtr; i<MAX_MOVES; i++) {
17399 if(commentList[i]) free(commentList[i]);
17400 commentList[i] = NULL;
17402 framePtr = MAX_MOVES-1;
17407 LoadVariation (int index, char *text)
17408 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17409 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17410 int level = 0, move;
17412 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17413 // first find outermost bracketing variation
17414 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17415 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17416 if(*p == '{') wait = '}'; else
17417 if(*p == '[') wait = ']'; else
17418 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17419 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17421 if(*p == wait) wait = NULLCHAR; // closing ]} found
17424 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17425 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17426 end[1] = NULLCHAR; // clip off comment beyond variation
17427 ToNrEvent(currentMove-1);
17428 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17429 // kludge: use ParsePV() to append variation to game
17430 move = currentMove;
17431 ParsePV(start, TRUE, TRUE);
17432 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17433 ClearPremoveHighlights();
17435 ToNrEvent(currentMove+1);