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 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7320 // [HGM] super: promotion to captured piece selected from holdings
7321 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7322 promotionChoice = TRUE;
7323 // kludge follows to temporarily execute move on display, without promoting yet
7324 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7325 boards[currentMove][toY][toX] = p;
7326 DrawPosition(FALSE, boards[currentMove]);
7327 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7328 boards[currentMove][toY][toX] = q;
7329 DisplayMessage("Click in holdings to choose piece", "");
7334 int oldMove = currentMove;
7335 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7336 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7337 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7338 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7339 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7340 DrawPosition(TRUE, boards[currentMove]);
7341 MarkTargetSquares(1);
7344 appData.animate = saveAnimate;
7345 if (appData.animate || appData.animateDragging) {
7346 /* Undo animation damage if needed */
7347 DrawPosition(FALSE, NULL);
7352 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7353 { // front-end-free part taken out of PieceMenuPopup
7354 int whichMenu; int xSqr, ySqr;
7356 if(seekGraphUp) { // [HGM] seekgraph
7357 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7358 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7362 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7363 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7364 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7365 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7366 if(action == Press) {
7367 originalFlip = flipView;
7368 flipView = !flipView; // temporarily flip board to see game from partners perspective
7369 DrawPosition(TRUE, partnerBoard);
7370 DisplayMessage(partnerStatus, "");
7372 } else if(action == Release) {
7373 flipView = originalFlip;
7374 DrawPosition(TRUE, boards[currentMove]);
7380 xSqr = EventToSquare(x, BOARD_WIDTH);
7381 ySqr = EventToSquare(y, BOARD_HEIGHT);
7382 if (action == Release) {
7383 if(pieceSweep != EmptySquare) {
7384 EditPositionMenuEvent(pieceSweep, toX, toY);
7385 pieceSweep = EmptySquare;
7386 } else UnLoadPV(); // [HGM] pv
7388 if (action != Press) return -2; // return code to be ignored
7391 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7393 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7394 if (xSqr < 0 || ySqr < 0) return -1;
7395 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7396 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7397 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7398 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7402 if(!appData.icsEngineAnalyze) return -1;
7403 case IcsPlayingWhite:
7404 case IcsPlayingBlack:
7405 if(!appData.zippyPlay) goto noZip;
7408 case MachinePlaysWhite:
7409 case MachinePlaysBlack:
7410 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7411 if (!appData.dropMenu) {
7413 return 2; // flag front-end to grab mouse events
7415 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7416 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7419 if (xSqr < 0 || ySqr < 0) return -1;
7420 if (!appData.dropMenu || appData.testLegality &&
7421 gameInfo.variant != VariantBughouse &&
7422 gameInfo.variant != VariantCrazyhouse) return -1;
7423 whichMenu = 1; // drop menu
7429 if (((*fromX = xSqr) < 0) ||
7430 ((*fromY = ySqr) < 0)) {
7431 *fromX = *fromY = -1;
7435 *fromX = BOARD_WIDTH - 1 - *fromX;
7437 *fromY = BOARD_HEIGHT - 1 - *fromY;
7443 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7445 // char * hint = lastHint;
7446 FrontEndProgramStats stats;
7448 stats.which = cps == &first ? 0 : 1;
7449 stats.depth = cpstats->depth;
7450 stats.nodes = cpstats->nodes;
7451 stats.score = cpstats->score;
7452 stats.time = cpstats->time;
7453 stats.pv = cpstats->movelist;
7454 stats.hint = lastHint;
7455 stats.an_move_index = 0;
7456 stats.an_move_count = 0;
7458 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7459 stats.hint = cpstats->move_name;
7460 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7461 stats.an_move_count = cpstats->nr_moves;
7464 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
7466 SetProgramStats( &stats );
7470 ClearEngineOutputPane (int which)
7472 static FrontEndProgramStats dummyStats;
7473 dummyStats.which = which;
7474 dummyStats.pv = "#";
7475 SetProgramStats( &dummyStats );
7478 #define MAXPLAYERS 500
7481 TourneyStandings (int display)
7483 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7484 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7485 char result, *p, *names[MAXPLAYERS];
7487 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7488 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7489 names[0] = p = strdup(appData.participants);
7490 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7492 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7494 while(result = appData.results[nr]) {
7495 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7496 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7497 wScore = bScore = 0;
7499 case '+': wScore = 2; break;
7500 case '-': bScore = 2; break;
7501 case '=': wScore = bScore = 1; break;
7503 case '*': return strdup("busy"); // tourney not finished
7511 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7512 for(w=0; w<nPlayers; w++) {
7514 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7515 ranking[w] = b; points[w] = bScore; score[b] = -2;
7517 p = malloc(nPlayers*34+1);
7518 for(w=0; w<nPlayers && w<display; w++)
7519 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7525 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7526 { // count all piece types
7528 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7529 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7530 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7533 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7534 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7535 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7536 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7537 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7538 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7543 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7545 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7546 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7548 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7549 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7550 if(myPawns == 2 && nMine == 3) // KPP
7551 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7552 if(myPawns == 1 && nMine == 2) // KP
7553 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7554 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7555 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7556 if(myPawns) return FALSE;
7557 if(pCnt[WhiteRook+side])
7558 return pCnt[BlackRook-side] ||
7559 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7560 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7561 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7562 if(pCnt[WhiteCannon+side]) {
7563 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7564 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7566 if(pCnt[WhiteKnight+side])
7567 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7572 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7574 VariantClass v = gameInfo.variant;
7576 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7577 if(v == VariantShatranj) return TRUE; // always winnable through baring
7578 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7579 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7581 if(v == VariantXiangqi) {
7582 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7584 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7585 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7586 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7587 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7588 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7589 if(stale) // we have at least one last-rank P plus perhaps C
7590 return majors // KPKX
7591 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7593 return pCnt[WhiteFerz+side] // KCAK
7594 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7595 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7596 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7598 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7599 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7601 if(nMine == 1) return FALSE; // bare King
7602 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
7603 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7604 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7605 // by now we have King + 1 piece (or multiple Bishops on the same color)
7606 if(pCnt[WhiteKnight+side])
7607 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7608 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7609 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7611 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7612 if(pCnt[WhiteAlfil+side])
7613 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7614 if(pCnt[WhiteWazir+side])
7615 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7622 CompareWithRights (Board b1, Board b2)
7625 if(!CompareBoards(b1, b2)) return FALSE;
7626 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7627 /* compare castling rights */
7628 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7629 rights++; /* King lost rights, while rook still had them */
7630 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7631 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7632 rights++; /* but at least one rook lost them */
7634 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7636 if( b1[CASTLING][5] != NoRights ) {
7637 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7644 Adjudicate (ChessProgramState *cps)
7645 { // [HGM] some adjudications useful with buggy engines
7646 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7647 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7648 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7649 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7650 int k, count = 0; static int bare = 1;
7651 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7652 Boolean canAdjudicate = !appData.icsActive;
7654 // most tests only when we understand the game, i.e. legality-checking on
7655 if( appData.testLegality )
7656 { /* [HGM] Some more adjudications for obstinate engines */
7657 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7658 static int moveCount = 6;
7660 char *reason = NULL;
7662 /* Count what is on board. */
7663 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7665 /* Some material-based adjudications that have to be made before stalemate test */
7666 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7667 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7668 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7669 if(canAdjudicate && appData.checkMates) {
7671 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7672 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7673 "Xboard adjudication: King destroyed", GE_XBOARD );
7678 /* Bare King in Shatranj (loses) or Losers (wins) */
7679 if( nrW == 1 || nrB == 1) {
7680 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7681 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7682 if(canAdjudicate && appData.checkMates) {
7684 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7685 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7686 "Xboard adjudication: Bare king", GE_XBOARD );
7690 if( gameInfo.variant == VariantShatranj && --bare < 0)
7692 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7693 if(canAdjudicate && appData.checkMates) {
7694 /* but only adjudicate if adjudication enabled */
7696 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7697 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7698 "Xboard adjudication: Bare king", GE_XBOARD );
7705 // don't wait for engine to announce game end if we can judge ourselves
7706 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7708 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7709 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7710 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7711 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7714 reason = "Xboard adjudication: 3rd check";
7715 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7725 reason = "Xboard adjudication: Stalemate";
7726 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7727 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7728 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7729 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7730 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7731 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7732 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7733 EP_CHECKMATE : EP_WINS);
7734 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7735 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7739 reason = "Xboard adjudication: Checkmate";
7740 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7744 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7746 result = GameIsDrawn; break;
7748 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7750 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7754 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7756 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7757 GameEnds( result, reason, GE_XBOARD );
7761 /* Next absolutely insufficient mating material. */
7762 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7763 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7764 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7766 /* always flag draws, for judging claims */
7767 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7769 if(canAdjudicate && appData.materialDraws) {
7770 /* but only adjudicate them if adjudication enabled */
7771 if(engineOpponent) {
7772 SendToProgram("force\n", engineOpponent); // suppress reply
7773 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7775 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7780 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7781 if(gameInfo.variant == VariantXiangqi ?
7782 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7784 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7785 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7786 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7787 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7789 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7790 { /* if the first 3 moves do not show a tactical win, declare draw */
7791 if(engineOpponent) {
7792 SendToProgram("force\n", engineOpponent); // suppress reply
7793 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7795 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7798 } else moveCount = 6;
7801 // Repetition draws and 50-move rule can be applied independently of legality testing
7803 /* Check for rep-draws */
7805 for(k = forwardMostMove-2;
7806 k>=backwardMostMove && k>=forwardMostMove-100 &&
7807 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7808 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7811 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7812 /* compare castling rights */
7813 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7814 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7815 rights++; /* King lost rights, while rook still had them */
7816 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7817 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7818 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7819 rights++; /* but at least one rook lost them */
7821 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7822 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7824 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7825 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7826 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7829 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7830 && appData.drawRepeats > 1) {
7831 /* adjudicate after user-specified nr of repeats */
7832 int result = GameIsDrawn;
7833 char *details = "XBoard adjudication: repetition draw";
7834 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7835 // [HGM] xiangqi: check for forbidden perpetuals
7836 int m, ourPerpetual = 1, hisPerpetual = 1;
7837 for(m=forwardMostMove; m>k; m-=2) {
7838 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7839 ourPerpetual = 0; // the current mover did not always check
7840 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7841 hisPerpetual = 0; // the opponent did not always check
7843 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7844 ourPerpetual, hisPerpetual);
7845 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7846 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7847 details = "Xboard adjudication: perpetual checking";
7849 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7850 break; // (or we would have caught him before). Abort repetition-checking loop.
7852 // Now check for perpetual chases
7853 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7854 hisPerpetual = PerpetualChase(k, forwardMostMove);
7855 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7856 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7857 static char resdet[MSG_SIZ];
7858 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7860 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7862 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7863 break; // Abort repetition-checking loop.
7865 // if neither of us is checking or chasing all the time, or both are, it is draw
7867 if(engineOpponent) {
7868 SendToProgram("force\n", engineOpponent); // suppress reply
7869 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7871 GameEnds( result, details, GE_XBOARD );
7874 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7875 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7879 /* Now we test for 50-move draws. Determine ply count */
7880 count = forwardMostMove;
7881 /* look for last irreversble move */
7882 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7884 /* if we hit starting position, add initial plies */
7885 if( count == backwardMostMove )
7886 count -= initialRulePlies;
7887 count = forwardMostMove - count;
7888 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7889 // adjust reversible move counter for checks in Xiangqi
7890 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7891 if(i < backwardMostMove) i = backwardMostMove;
7892 while(i <= forwardMostMove) {
7893 lastCheck = inCheck; // check evasion does not count
7894 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7895 if(inCheck || lastCheck) count--; // check does not count
7900 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7901 /* this is used to judge if draw claims are legal */
7902 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7903 if(engineOpponent) {
7904 SendToProgram("force\n", engineOpponent); // suppress reply
7905 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7907 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7911 /* if draw offer is pending, treat it as a draw claim
7912 * when draw condition present, to allow engines a way to
7913 * claim draws before making their move to avoid a race
7914 * condition occurring after their move
7916 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7918 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7919 p = "Draw claim: 50-move rule";
7920 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7921 p = "Draw claim: 3-fold repetition";
7922 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7923 p = "Draw claim: insufficient mating material";
7924 if( p != NULL && canAdjudicate) {
7925 if(engineOpponent) {
7926 SendToProgram("force\n", engineOpponent); // suppress reply
7927 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7929 GameEnds( GameIsDrawn, p, GE_XBOARD );
7934 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7935 if(engineOpponent) {
7936 SendToProgram("force\n", engineOpponent); // suppress reply
7937 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7939 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7946 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7947 { // [HGM] book: this routine intercepts moves to simulate book replies
7948 char *bookHit = NULL;
7950 //first determine if the incoming move brings opponent into his book
7951 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7952 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7953 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7954 if(bookHit != NULL && !cps->bookSuspend) {
7955 // make sure opponent is not going to reply after receiving move to book position
7956 SendToProgram("force\n", cps);
7957 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7959 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7960 // now arrange restart after book miss
7962 // after a book hit we never send 'go', and the code after the call to this routine
7963 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7964 char buf[MSG_SIZ], *move = bookHit;
7966 int fromX, fromY, toX, toY;
7970 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7971 &fromX, &fromY, &toX, &toY, &promoChar)) {
7972 (void) CoordsToAlgebraic(boards[forwardMostMove],
7973 PosFlags(forwardMostMove),
7974 fromY, fromX, toY, toX, promoChar, move);
7976 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7980 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7981 SendToProgram(buf, cps);
7982 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7983 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7984 SendToProgram("go\n", cps);
7985 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7986 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7987 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7988 SendToProgram("go\n", cps);
7989 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7991 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7995 LoadError (char *errmess, ChessProgramState *cps)
7996 { // unloads engine and switches back to -ncp mode if it was first
7997 if(cps->initDone) return FALSE;
7998 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7999 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8002 appData.noChessProgram = TRUE;
8003 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8004 gameMode = BeginningOfGame; ModeHighlight();
8007 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8008 DisplayMessage("", ""); // erase waiting message
8009 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8014 ChessProgramState *savedState;
8016 DeferredBookMove (void)
8018 if(savedState->lastPing != savedState->lastPong)
8019 ScheduleDelayedEvent(DeferredBookMove, 10);
8021 HandleMachineMove(savedMessage, savedState);
8024 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8027 HandleMachineMove (char *message, ChessProgramState *cps)
8029 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8030 char realname[MSG_SIZ];
8031 int fromX, fromY, toX, toY;
8035 int machineWhite, oldError;
8038 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8039 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8040 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8041 DisplayError(_("Invalid pairing from pairing engine"), 0);
8044 pairingReceived = 1;
8046 return; // Skim the pairing messages here.
8049 oldError = cps->userError; cps->userError = 0;
8051 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8053 * Kludge to ignore BEL characters
8055 while (*message == '\007') message++;
8058 * [HGM] engine debug message: ignore lines starting with '#' character
8060 if(cps->debug && *message == '#') return;
8063 * Look for book output
8065 if (cps == &first && bookRequested) {
8066 if (message[0] == '\t' || message[0] == ' ') {
8067 /* Part of the book output is here; append it */
8068 strcat(bookOutput, message);
8069 strcat(bookOutput, " \n");
8071 } else if (bookOutput[0] != NULLCHAR) {
8072 /* All of book output has arrived; display it */
8073 char *p = bookOutput;
8074 while (*p != NULLCHAR) {
8075 if (*p == '\t') *p = ' ';
8078 DisplayInformation(bookOutput);
8079 bookRequested = FALSE;
8080 /* Fall through to parse the current output */
8085 * Look for machine move.
8087 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8088 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8090 /* This method is only useful on engines that support ping */
8091 if (cps->lastPing != cps->lastPong) {
8092 if (gameMode == BeginningOfGame) {
8093 /* Extra move from before last new; ignore */
8094 if (appData.debugMode) {
8095 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8098 if (appData.debugMode) {
8099 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8100 cps->which, gameMode);
8103 SendToProgram("undo\n", cps);
8109 case BeginningOfGame:
8110 /* Extra move from before last reset; ignore */
8111 if (appData.debugMode) {
8112 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8119 /* Extra move after we tried to stop. The mode test is
8120 not a reliable way of detecting this problem, but it's
8121 the best we can do on engines that don't support ping.
8123 if (appData.debugMode) {
8124 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8125 cps->which, gameMode);
8127 SendToProgram("undo\n", cps);
8130 case MachinePlaysWhite:
8131 case IcsPlayingWhite:
8132 machineWhite = TRUE;
8135 case MachinePlaysBlack:
8136 case IcsPlayingBlack:
8137 machineWhite = FALSE;
8140 case TwoMachinesPlay:
8141 machineWhite = (cps->twoMachinesColor[0] == 'w');
8144 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8145 if (appData.debugMode) {
8147 "Ignoring move out of turn by %s, gameMode %d"
8148 ", forwardMost %d\n",
8149 cps->which, gameMode, forwardMostMove);
8154 if(cps->alphaRank) AlphaRank(machineMove, 4);
8155 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8156 &fromX, &fromY, &toX, &toY, &promoChar)) {
8157 /* Machine move could not be parsed; ignore it. */
8158 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8159 machineMove, _(cps->which));
8160 DisplayError(buf1, 0);
8161 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8162 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8163 if (gameMode == TwoMachinesPlay) {
8164 GameEnds(machineWhite ? BlackWins : WhiteWins,
8170 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8171 /* So we have to redo legality test with true e.p. status here, */
8172 /* to make sure an illegal e.p. capture does not slip through, */
8173 /* to cause a forfeit on a justified illegal-move complaint */
8174 /* of the opponent. */
8175 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8177 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8178 fromY, fromX, toY, toX, promoChar);
8179 if(moveType == IllegalMove) {
8180 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8181 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8182 GameEnds(machineWhite ? BlackWins : WhiteWins,
8185 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8186 /* [HGM] Kludge to handle engines that send FRC-style castling
8187 when they shouldn't (like TSCP-Gothic) */
8189 case WhiteASideCastleFR:
8190 case BlackASideCastleFR:
8192 currentMoveString[2]++;
8194 case WhiteHSideCastleFR:
8195 case BlackHSideCastleFR:
8197 currentMoveString[2]--;
8199 default: ; // nothing to do, but suppresses warning of pedantic compilers
8202 hintRequested = FALSE;
8203 lastHint[0] = NULLCHAR;
8204 bookRequested = FALSE;
8205 /* Program may be pondering now */
8206 cps->maybeThinking = TRUE;
8207 if (cps->sendTime == 2) cps->sendTime = 1;
8208 if (cps->offeredDraw) cps->offeredDraw--;
8210 /* [AS] Save move info*/
8211 pvInfoList[ forwardMostMove ].score = programStats.score;
8212 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8213 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8215 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8217 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8218 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8221 while( count < adjudicateLossPlies ) {
8222 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8225 score = -score; /* Flip score for winning side */
8228 if( score > adjudicateLossThreshold ) {
8235 if( count >= adjudicateLossPlies ) {
8236 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8238 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8239 "Xboard adjudication",
8246 if(Adjudicate(cps)) {
8247 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8248 return; // [HGM] adjudicate: for all automatic game ends
8252 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8254 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8255 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8257 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8259 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8261 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8262 char buf[3*MSG_SIZ];
8264 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8265 programStats.score / 100.,
8267 programStats.time / 100.,
8268 (unsigned int)programStats.nodes,
8269 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8270 programStats.movelist);
8272 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8277 /* [AS] Clear stats for next move */
8278 ClearProgramStats();
8279 thinkOutput[0] = NULLCHAR;
8280 hiddenThinkOutputState = 0;
8283 if (gameMode == TwoMachinesPlay) {
8284 /* [HGM] relaying draw offers moved to after reception of move */
8285 /* and interpreting offer as claim if it brings draw condition */
8286 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8287 SendToProgram("draw\n", cps->other);
8289 if (cps->other->sendTime) {
8290 SendTimeRemaining(cps->other,
8291 cps->other->twoMachinesColor[0] == 'w');
8293 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8294 if (firstMove && !bookHit) {
8296 if (cps->other->useColors) {
8297 SendToProgram(cps->other->twoMachinesColor, cps->other);
8299 SendToProgram("go\n", cps->other);
8301 cps->other->maybeThinking = TRUE;
8304 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8306 if (!pausing && appData.ringBellAfterMoves) {
8311 * Reenable menu items that were disabled while
8312 * machine was thinking
8314 if (gameMode != TwoMachinesPlay)
8315 SetUserThinkingEnables();
8317 // [HGM] book: after book hit opponent has received move and is now in force mode
8318 // force the book reply into it, and then fake that it outputted this move by jumping
8319 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8321 static char bookMove[MSG_SIZ]; // a bit generous?
8323 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8324 strcat(bookMove, bookHit);
8327 programStats.nodes = programStats.depth = programStats.time =
8328 programStats.score = programStats.got_only_move = 0;
8329 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8331 if(cps->lastPing != cps->lastPong) {
8332 savedMessage = message; // args for deferred call
8334 ScheduleDelayedEvent(DeferredBookMove, 10);
8343 /* Set special modes for chess engines. Later something general
8344 * could be added here; for now there is just one kludge feature,
8345 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8346 * when "xboard" is given as an interactive command.
8348 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8349 cps->useSigint = FALSE;
8350 cps->useSigterm = FALSE;
8352 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8353 ParseFeatures(message+8, cps);
8354 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8357 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8358 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8359 int dummy, s=6; char buf[MSG_SIZ];
8360 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8361 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8362 if(startedFromSetupPosition) return;
8363 ParseFEN(boards[0], &dummy, message+s);
8364 DrawPosition(TRUE, boards[0]);
8365 startedFromSetupPosition = TRUE;
8368 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8369 * want this, I was asked to put it in, and obliged.
8371 if (!strncmp(message, "setboard ", 9)) {
8372 Board initial_position;
8374 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8376 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8377 DisplayError(_("Bad FEN received from engine"), 0);
8381 CopyBoard(boards[0], initial_position);
8382 initialRulePlies = FENrulePlies;
8383 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8384 else gameMode = MachinePlaysBlack;
8385 DrawPosition(FALSE, boards[currentMove]);
8391 * Look for communication commands
8393 if (!strncmp(message, "telluser ", 9)) {
8394 if(message[9] == '\\' && message[10] == '\\')
8395 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8397 DisplayNote(message + 9);
8400 if (!strncmp(message, "tellusererror ", 14)) {
8402 if(message[14] == '\\' && message[15] == '\\')
8403 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8405 DisplayError(message + 14, 0);
8408 if (!strncmp(message, "tellopponent ", 13)) {
8409 if (appData.icsActive) {
8411 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8415 DisplayNote(message + 13);
8419 if (!strncmp(message, "tellothers ", 11)) {
8420 if (appData.icsActive) {
8422 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8428 if (!strncmp(message, "tellall ", 8)) {
8429 if (appData.icsActive) {
8431 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8435 DisplayNote(message + 8);
8439 if (strncmp(message, "warning", 7) == 0) {
8440 /* Undocumented feature, use tellusererror in new code */
8441 DisplayError(message, 0);
8444 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8445 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8446 strcat(realname, " query");
8447 AskQuestion(realname, buf2, buf1, cps->pr);
8450 /* Commands from the engine directly to ICS. We don't allow these to be
8451 * sent until we are logged on. Crafty kibitzes have been known to
8452 * interfere with the login process.
8455 if (!strncmp(message, "tellics ", 8)) {
8456 SendToICS(message + 8);
8460 if (!strncmp(message, "tellicsnoalias ", 15)) {
8461 SendToICS(ics_prefix);
8462 SendToICS(message + 15);
8466 /* The following are for backward compatibility only */
8467 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8468 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8469 SendToICS(ics_prefix);
8475 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8479 * If the move is illegal, cancel it and redraw the board.
8480 * Also deal with other error cases. Matching is rather loose
8481 * here to accommodate engines written before the spec.
8483 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8484 strncmp(message, "Error", 5) == 0) {
8485 if (StrStr(message, "name") ||
8486 StrStr(message, "rating") || StrStr(message, "?") ||
8487 StrStr(message, "result") || StrStr(message, "board") ||
8488 StrStr(message, "bk") || StrStr(message, "computer") ||
8489 StrStr(message, "variant") || StrStr(message, "hint") ||
8490 StrStr(message, "random") || StrStr(message, "depth") ||
8491 StrStr(message, "accepted")) {
8494 if (StrStr(message, "protover")) {
8495 /* Program is responding to input, so it's apparently done
8496 initializing, and this error message indicates it is
8497 protocol version 1. So we don't need to wait any longer
8498 for it to initialize and send feature commands. */
8499 FeatureDone(cps, 1);
8500 cps->protocolVersion = 1;
8503 cps->maybeThinking = FALSE;
8505 if (StrStr(message, "draw")) {
8506 /* Program doesn't have "draw" command */
8507 cps->sendDrawOffers = 0;
8510 if (cps->sendTime != 1 &&
8511 (StrStr(message, "time") || StrStr(message, "otim"))) {
8512 /* Program apparently doesn't have "time" or "otim" command */
8516 if (StrStr(message, "analyze")) {
8517 cps->analysisSupport = FALSE;
8518 cps->analyzing = FALSE;
8519 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8520 EditGameEvent(); // [HGM] try to preserve loaded game
8521 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8522 DisplayError(buf2, 0);
8525 if (StrStr(message, "(no matching move)st")) {
8526 /* Special kludge for GNU Chess 4 only */
8527 cps->stKludge = TRUE;
8528 SendTimeControl(cps, movesPerSession, timeControl,
8529 timeIncrement, appData.searchDepth,
8533 if (StrStr(message, "(no matching move)sd")) {
8534 /* Special kludge for GNU Chess 4 only */
8535 cps->sdKludge = TRUE;
8536 SendTimeControl(cps, movesPerSession, timeControl,
8537 timeIncrement, appData.searchDepth,
8541 if (!StrStr(message, "llegal")) {
8544 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8545 gameMode == IcsIdle) return;
8546 if (forwardMostMove <= backwardMostMove) return;
8547 if (pausing) PauseEvent();
8548 if(appData.forceIllegal) {
8549 // [HGM] illegal: machine refused move; force position after move into it
8550 SendToProgram("force\n", cps);
8551 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8552 // we have a real problem now, as SendBoard will use the a2a3 kludge
8553 // when black is to move, while there might be nothing on a2 or black
8554 // might already have the move. So send the board as if white has the move.
8555 // But first we must change the stm of the engine, as it refused the last move
8556 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8557 if(WhiteOnMove(forwardMostMove)) {
8558 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8559 SendBoard(cps, forwardMostMove); // kludgeless board
8561 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8562 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8563 SendBoard(cps, forwardMostMove+1); // kludgeless board
8565 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8566 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8567 gameMode == TwoMachinesPlay)
8568 SendToProgram("go\n", cps);
8571 if (gameMode == PlayFromGameFile) {
8572 /* Stop reading this game file */
8573 gameMode = EditGame;
8576 /* [HGM] illegal-move claim should forfeit game when Xboard */
8577 /* only passes fully legal moves */
8578 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8579 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8580 "False illegal-move claim", GE_XBOARD );
8581 return; // do not take back move we tested as valid
8583 currentMove = forwardMostMove-1;
8584 DisplayMove(currentMove-1); /* before DisplayMoveError */
8585 SwitchClocks(forwardMostMove-1); // [HGM] race
8586 DisplayBothClocks();
8587 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8588 parseList[currentMove], _(cps->which));
8589 DisplayMoveError(buf1);
8590 DrawPosition(FALSE, boards[currentMove]);
8592 SetUserThinkingEnables();
8595 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8596 /* Program has a broken "time" command that
8597 outputs a string not ending in newline.
8603 * If chess program startup fails, exit with an error message.
8604 * Attempts to recover here are futile. [HGM] Well, we try anyway
8606 if ((StrStr(message, "unknown host") != NULL)
8607 || (StrStr(message, "No remote directory") != NULL)
8608 || (StrStr(message, "not found") != NULL)
8609 || (StrStr(message, "No such file") != NULL)
8610 || (StrStr(message, "can't alloc") != NULL)
8611 || (StrStr(message, "Permission denied") != NULL)) {
8613 cps->maybeThinking = FALSE;
8614 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8615 _(cps->which), cps->program, cps->host, message);
8616 RemoveInputSource(cps->isr);
8617 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8618 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8619 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8625 * Look for hint output
8627 if (sscanf(message, "Hint: %s", buf1) == 1) {
8628 if (cps == &first && hintRequested) {
8629 hintRequested = FALSE;
8630 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8631 &fromX, &fromY, &toX, &toY, &promoChar)) {
8632 (void) CoordsToAlgebraic(boards[forwardMostMove],
8633 PosFlags(forwardMostMove),
8634 fromY, fromX, toY, toX, promoChar, buf1);
8635 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8636 DisplayInformation(buf2);
8638 /* Hint move could not be parsed!? */
8639 snprintf(buf2, sizeof(buf2),
8640 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8641 buf1, _(cps->which));
8642 DisplayError(buf2, 0);
8645 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8651 * Ignore other messages if game is not in progress
8653 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8654 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8657 * look for win, lose, draw, or draw offer
8659 if (strncmp(message, "1-0", 3) == 0) {
8660 char *p, *q, *r = "";
8661 p = strchr(message, '{');
8669 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8671 } else if (strncmp(message, "0-1", 3) == 0) {
8672 char *p, *q, *r = "";
8673 p = strchr(message, '{');
8681 /* Kludge for Arasan 4.1 bug */
8682 if (strcmp(r, "Black resigns") == 0) {
8683 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8686 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8688 } else if (strncmp(message, "1/2", 3) == 0) {
8689 char *p, *q, *r = "";
8690 p = strchr(message, '{');
8699 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8702 } else if (strncmp(message, "White resign", 12) == 0) {
8703 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8705 } else if (strncmp(message, "Black resign", 12) == 0) {
8706 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8708 } else if (strncmp(message, "White matches", 13) == 0 ||
8709 strncmp(message, "Black matches", 13) == 0 ) {
8710 /* [HGM] ignore GNUShogi noises */
8712 } else if (strncmp(message, "White", 5) == 0 &&
8713 message[5] != '(' &&
8714 StrStr(message, "Black") == NULL) {
8715 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8717 } else if (strncmp(message, "Black", 5) == 0 &&
8718 message[5] != '(') {
8719 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8721 } else if (strcmp(message, "resign") == 0 ||
8722 strcmp(message, "computer resigns") == 0) {
8724 case MachinePlaysBlack:
8725 case IcsPlayingBlack:
8726 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8728 case MachinePlaysWhite:
8729 case IcsPlayingWhite:
8730 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8732 case TwoMachinesPlay:
8733 if (cps->twoMachinesColor[0] == 'w')
8734 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8736 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8743 } else if (strncmp(message, "opponent mates", 14) == 0) {
8745 case MachinePlaysBlack:
8746 case IcsPlayingBlack:
8747 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8749 case MachinePlaysWhite:
8750 case IcsPlayingWhite:
8751 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8753 case TwoMachinesPlay:
8754 if (cps->twoMachinesColor[0] == 'w')
8755 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8757 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8764 } else if (strncmp(message, "computer mates", 14) == 0) {
8766 case MachinePlaysBlack:
8767 case IcsPlayingBlack:
8768 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8770 case MachinePlaysWhite:
8771 case IcsPlayingWhite:
8772 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8774 case TwoMachinesPlay:
8775 if (cps->twoMachinesColor[0] == 'w')
8776 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8778 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8785 } else if (strncmp(message, "checkmate", 9) == 0) {
8786 if (WhiteOnMove(forwardMostMove)) {
8787 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8789 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8792 } else if (strstr(message, "Draw") != NULL ||
8793 strstr(message, "game is a draw") != NULL) {
8794 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8796 } else if (strstr(message, "offer") != NULL &&
8797 strstr(message, "draw") != NULL) {
8799 if (appData.zippyPlay && first.initDone) {
8800 /* Relay offer to ICS */
8801 SendToICS(ics_prefix);
8802 SendToICS("draw\n");
8805 cps->offeredDraw = 2; /* valid until this engine moves twice */
8806 if (gameMode == TwoMachinesPlay) {
8807 if (cps->other->offeredDraw) {
8808 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8809 /* [HGM] in two-machine mode we delay relaying draw offer */
8810 /* until after we also have move, to see if it is really claim */
8812 } else if (gameMode == MachinePlaysWhite ||
8813 gameMode == MachinePlaysBlack) {
8814 if (userOfferedDraw) {
8815 DisplayInformation(_("Machine accepts your draw offer"));
8816 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8818 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8825 * Look for thinking output
8827 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8828 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8830 int plylev, mvleft, mvtot, curscore, time;
8831 char mvname[MOVE_LEN];
8835 int prefixHint = FALSE;
8836 mvname[0] = NULLCHAR;
8839 case MachinePlaysBlack:
8840 case IcsPlayingBlack:
8841 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8843 case MachinePlaysWhite:
8844 case IcsPlayingWhite:
8845 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8850 case IcsObserving: /* [DM] icsEngineAnalyze */
8851 if (!appData.icsEngineAnalyze) ignore = TRUE;
8853 case TwoMachinesPlay:
8854 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8864 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8866 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8867 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8869 if (plyext != ' ' && plyext != '\t') {
8873 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8874 if( cps->scoreIsAbsolute &&
8875 ( gameMode == MachinePlaysBlack ||
8876 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8877 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8878 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8879 !WhiteOnMove(currentMove)
8882 curscore = -curscore;
8885 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8887 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8890 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8891 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8892 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8893 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8894 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8895 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8897 } else DisplayError(_("failed writing PV"), 0);
8900 tempStats.depth = plylev;
8901 tempStats.nodes = nodes;
8902 tempStats.time = time;
8903 tempStats.score = curscore;
8904 tempStats.got_only_move = 0;
8906 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8909 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8910 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8911 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8912 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8913 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8914 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8915 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8916 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8919 /* Buffer overflow protection */
8920 if (pv[0] != NULLCHAR) {
8921 if (strlen(pv) >= sizeof(tempStats.movelist)
8922 && appData.debugMode) {
8924 "PV is too long; using the first %u bytes.\n",
8925 (unsigned) sizeof(tempStats.movelist) - 1);
8928 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8930 sprintf(tempStats.movelist, " no PV\n");
8933 if (tempStats.seen_stat) {
8934 tempStats.ok_to_send = 1;
8937 if (strchr(tempStats.movelist, '(') != NULL) {
8938 tempStats.line_is_book = 1;
8939 tempStats.nr_moves = 0;
8940 tempStats.moves_left = 0;
8942 tempStats.line_is_book = 0;
8945 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8946 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8948 SendProgramStatsToFrontend( cps, &tempStats );
8951 [AS] Protect the thinkOutput buffer from overflow... this
8952 is only useful if buf1 hasn't overflowed first!
8954 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8956 (gameMode == TwoMachinesPlay ?
8957 ToUpper(cps->twoMachinesColor[0]) : ' '),
8958 ((double) curscore) / 100.0,
8959 prefixHint ? lastHint : "",
8960 prefixHint ? " " : "" );
8962 if( buf1[0] != NULLCHAR ) {
8963 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8965 if( strlen(pv) > max_len ) {
8966 if( appData.debugMode) {
8967 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8969 pv[max_len+1] = '\0';
8972 strcat( thinkOutput, pv);
8975 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8976 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8977 DisplayMove(currentMove - 1);
8981 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8982 /* crafty (9.25+) says "(only move) <move>"
8983 * if there is only 1 legal move
8985 sscanf(p, "(only move) %s", buf1);
8986 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8987 sprintf(programStats.movelist, "%s (only move)", buf1);
8988 programStats.depth = 1;
8989 programStats.nr_moves = 1;
8990 programStats.moves_left = 1;
8991 programStats.nodes = 1;
8992 programStats.time = 1;
8993 programStats.got_only_move = 1;
8995 /* Not really, but we also use this member to
8996 mean "line isn't going to change" (Crafty
8997 isn't searching, so stats won't change) */
8998 programStats.line_is_book = 1;
9000 SendProgramStatsToFrontend( cps, &programStats );
9002 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9003 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9004 DisplayMove(currentMove - 1);
9007 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9008 &time, &nodes, &plylev, &mvleft,
9009 &mvtot, mvname) >= 5) {
9010 /* The stat01: line is from Crafty (9.29+) in response
9011 to the "." command */
9012 programStats.seen_stat = 1;
9013 cps->maybeThinking = TRUE;
9015 if (programStats.got_only_move || !appData.periodicUpdates)
9018 programStats.depth = plylev;
9019 programStats.time = time;
9020 programStats.nodes = nodes;
9021 programStats.moves_left = mvleft;
9022 programStats.nr_moves = mvtot;
9023 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9024 programStats.ok_to_send = 1;
9025 programStats.movelist[0] = '\0';
9027 SendProgramStatsToFrontend( cps, &programStats );
9031 } else if (strncmp(message,"++",2) == 0) {
9032 /* Crafty 9.29+ outputs this */
9033 programStats.got_fail = 2;
9036 } else if (strncmp(message,"--",2) == 0) {
9037 /* Crafty 9.29+ outputs this */
9038 programStats.got_fail = 1;
9041 } else if (thinkOutput[0] != NULLCHAR &&
9042 strncmp(message, " ", 4) == 0) {
9043 unsigned message_len;
9046 while (*p && *p == ' ') p++;
9048 message_len = strlen( p );
9050 /* [AS] Avoid buffer overflow */
9051 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9052 strcat(thinkOutput, " ");
9053 strcat(thinkOutput, p);
9056 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9057 strcat(programStats.movelist, " ");
9058 strcat(programStats.movelist, p);
9061 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9062 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9063 DisplayMove(currentMove - 1);
9071 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9072 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9074 ChessProgramStats cpstats;
9076 if (plyext != ' ' && plyext != '\t') {
9080 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9081 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9082 curscore = -curscore;
9085 cpstats.depth = plylev;
9086 cpstats.nodes = nodes;
9087 cpstats.time = time;
9088 cpstats.score = curscore;
9089 cpstats.got_only_move = 0;
9090 cpstats.movelist[0] = '\0';
9092 if (buf1[0] != NULLCHAR) {
9093 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9096 cpstats.ok_to_send = 0;
9097 cpstats.line_is_book = 0;
9098 cpstats.nr_moves = 0;
9099 cpstats.moves_left = 0;
9101 SendProgramStatsToFrontend( cps, &cpstats );
9108 /* Parse a game score from the character string "game", and
9109 record it as the history of the current game. The game
9110 score is NOT assumed to start from the standard position.
9111 The display is not updated in any way.
9114 ParseGameHistory (char *game)
9117 int fromX, fromY, toX, toY, boardIndex;
9122 if (appData.debugMode)
9123 fprintf(debugFP, "Parsing game history: %s\n", game);
9125 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9126 gameInfo.site = StrSave(appData.icsHost);
9127 gameInfo.date = PGNDate();
9128 gameInfo.round = StrSave("-");
9130 /* Parse out names of players */
9131 while (*game == ' ') game++;
9133 while (*game != ' ') *p++ = *game++;
9135 gameInfo.white = StrSave(buf);
9136 while (*game == ' ') game++;
9138 while (*game != ' ' && *game != '\n') *p++ = *game++;
9140 gameInfo.black = StrSave(buf);
9143 boardIndex = blackPlaysFirst ? 1 : 0;
9146 yyboardindex = boardIndex;
9147 moveType = (ChessMove) Myylex();
9149 case IllegalMove: /* maybe suicide chess, etc. */
9150 if (appData.debugMode) {
9151 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9152 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9153 setbuf(debugFP, NULL);
9155 case WhitePromotion:
9156 case BlackPromotion:
9157 case WhiteNonPromotion:
9158 case BlackNonPromotion:
9160 case WhiteCapturesEnPassant:
9161 case BlackCapturesEnPassant:
9162 case WhiteKingSideCastle:
9163 case WhiteQueenSideCastle:
9164 case BlackKingSideCastle:
9165 case BlackQueenSideCastle:
9166 case WhiteKingSideCastleWild:
9167 case WhiteQueenSideCastleWild:
9168 case BlackKingSideCastleWild:
9169 case BlackQueenSideCastleWild:
9171 case WhiteHSideCastleFR:
9172 case WhiteASideCastleFR:
9173 case BlackHSideCastleFR:
9174 case BlackASideCastleFR:
9176 fromX = currentMoveString[0] - AAA;
9177 fromY = currentMoveString[1] - ONE;
9178 toX = currentMoveString[2] - AAA;
9179 toY = currentMoveString[3] - ONE;
9180 promoChar = currentMoveString[4];
9184 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9185 fromX = moveType == WhiteDrop ?
9186 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9187 (int) CharToPiece(ToLower(currentMoveString[0]));
9189 toX = currentMoveString[2] - AAA;
9190 toY = currentMoveString[3] - ONE;
9191 promoChar = NULLCHAR;
9195 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9196 if (appData.debugMode) {
9197 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9198 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9199 setbuf(debugFP, NULL);
9201 DisplayError(buf, 0);
9203 case ImpossibleMove:
9205 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9206 if (appData.debugMode) {
9207 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9208 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9209 setbuf(debugFP, NULL);
9211 DisplayError(buf, 0);
9214 if (boardIndex < backwardMostMove) {
9215 /* Oops, gap. How did that happen? */
9216 DisplayError(_("Gap in move list"), 0);
9219 backwardMostMove = blackPlaysFirst ? 1 : 0;
9220 if (boardIndex > forwardMostMove) {
9221 forwardMostMove = boardIndex;
9225 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9226 strcat(parseList[boardIndex-1], " ");
9227 strcat(parseList[boardIndex-1], yy_text);
9239 case GameUnfinished:
9240 if (gameMode == IcsExamining) {
9241 if (boardIndex < backwardMostMove) {
9242 /* Oops, gap. How did that happen? */
9245 backwardMostMove = blackPlaysFirst ? 1 : 0;
9248 gameInfo.result = moveType;
9249 p = strchr(yy_text, '{');
9250 if (p == NULL) p = strchr(yy_text, '(');
9253 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9255 q = strchr(p, *p == '{' ? '}' : ')');
9256 if (q != NULL) *q = NULLCHAR;
9259 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9260 gameInfo.resultDetails = StrSave(p);
9263 if (boardIndex >= forwardMostMove &&
9264 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9265 backwardMostMove = blackPlaysFirst ? 1 : 0;
9268 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9269 fromY, fromX, toY, toX, promoChar,
9270 parseList[boardIndex]);
9271 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9272 /* currentMoveString is set as a side-effect of yylex */
9273 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9274 strcat(moveList[boardIndex], "\n");
9276 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9277 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9283 if(gameInfo.variant != VariantShogi)
9284 strcat(parseList[boardIndex - 1], "+");
9288 strcat(parseList[boardIndex - 1], "#");
9295 /* Apply a move to the given board */
9297 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9299 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9300 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9302 /* [HGM] compute & store e.p. status and castling rights for new position */
9303 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9305 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9306 oldEP = (signed char)board[EP_STATUS];
9307 board[EP_STATUS] = EP_NONE;
9309 if (fromY == DROP_RANK) {
9311 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9312 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9315 piece = board[toY][toX] = (ChessSquare) fromX;
9319 if( board[toY][toX] != EmptySquare )
9320 board[EP_STATUS] = EP_CAPTURE;
9322 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9323 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9324 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9326 if( board[fromY][fromX] == WhitePawn ) {
9327 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9328 board[EP_STATUS] = EP_PAWN_MOVE;
9330 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9331 gameInfo.variant != VariantBerolina || toX < fromX)
9332 board[EP_STATUS] = toX | berolina;
9333 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9334 gameInfo.variant != VariantBerolina || toX > fromX)
9335 board[EP_STATUS] = toX;
9338 if( board[fromY][fromX] == BlackPawn ) {
9339 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9340 board[EP_STATUS] = EP_PAWN_MOVE;
9341 if( toY-fromY== -2) {
9342 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9343 gameInfo.variant != VariantBerolina || toX < fromX)
9344 board[EP_STATUS] = toX | berolina;
9345 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9346 gameInfo.variant != VariantBerolina || toX > fromX)
9347 board[EP_STATUS] = toX;
9351 for(i=0; i<nrCastlingRights; i++) {
9352 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9353 board[CASTLING][i] == toX && castlingRank[i] == toY
9354 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9357 if(gameInfo.variant == VariantSChess) { // update virginity
9358 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9359 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9360 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9361 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9364 if (fromX == toX && fromY == toY) return;
9366 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9367 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9368 if(gameInfo.variant == VariantKnightmate)
9369 king += (int) WhiteUnicorn - (int) WhiteKing;
9371 /* Code added by Tord: */
9372 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9373 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9374 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9375 board[fromY][fromX] = EmptySquare;
9376 board[toY][toX] = EmptySquare;
9377 if((toX > fromX) != (piece == WhiteRook)) {
9378 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9380 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9382 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9383 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9384 board[fromY][fromX] = EmptySquare;
9385 board[toY][toX] = EmptySquare;
9386 if((toX > fromX) != (piece == BlackRook)) {
9387 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9389 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9391 /* End of code added by Tord */
9393 } else if (board[fromY][fromX] == king
9394 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9395 && toY == fromY && toX > fromX+1) {
9396 board[fromY][fromX] = EmptySquare;
9397 board[toY][toX] = king;
9398 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9399 board[fromY][BOARD_RGHT-1] = EmptySquare;
9400 } else if (board[fromY][fromX] == king
9401 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9402 && toY == fromY && toX < fromX-1) {
9403 board[fromY][fromX] = EmptySquare;
9404 board[toY][toX] = king;
9405 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9406 board[fromY][BOARD_LEFT] = EmptySquare;
9407 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9408 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9409 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9411 /* white pawn promotion */
9412 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9413 if(gameInfo.variant==VariantBughouse ||
9414 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9415 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9416 board[fromY][fromX] = EmptySquare;
9417 } else if ((fromY >= BOARD_HEIGHT>>1)
9419 && gameInfo.variant != VariantXiangqi
9420 && gameInfo.variant != VariantBerolina
9421 && (board[fromY][fromX] == WhitePawn)
9422 && (board[toY][toX] == EmptySquare)) {
9423 board[fromY][fromX] = EmptySquare;
9424 board[toY][toX] = WhitePawn;
9425 captured = board[toY - 1][toX];
9426 board[toY - 1][toX] = EmptySquare;
9427 } else if ((fromY == BOARD_HEIGHT-4)
9429 && gameInfo.variant == VariantBerolina
9430 && (board[fromY][fromX] == WhitePawn)
9431 && (board[toY][toX] == EmptySquare)) {
9432 board[fromY][fromX] = EmptySquare;
9433 board[toY][toX] = WhitePawn;
9434 if(oldEP & EP_BEROLIN_A) {
9435 captured = board[fromY][fromX-1];
9436 board[fromY][fromX-1] = EmptySquare;
9437 }else{ captured = board[fromY][fromX+1];
9438 board[fromY][fromX+1] = EmptySquare;
9440 } else if (board[fromY][fromX] == king
9441 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9442 && toY == fromY && toX > fromX+1) {
9443 board[fromY][fromX] = EmptySquare;
9444 board[toY][toX] = king;
9445 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9446 board[fromY][BOARD_RGHT-1] = EmptySquare;
9447 } else if (board[fromY][fromX] == king
9448 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9449 && toY == fromY && toX < fromX-1) {
9450 board[fromY][fromX] = EmptySquare;
9451 board[toY][toX] = king;
9452 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9453 board[fromY][BOARD_LEFT] = EmptySquare;
9454 } else if (fromY == 7 && fromX == 3
9455 && board[fromY][fromX] == BlackKing
9456 && toY == 7 && toX == 5) {
9457 board[fromY][fromX] = EmptySquare;
9458 board[toY][toX] = BlackKing;
9459 board[fromY][7] = EmptySquare;
9460 board[toY][4] = BlackRook;
9461 } else if (fromY == 7 && fromX == 3
9462 && board[fromY][fromX] == BlackKing
9463 && toY == 7 && toX == 1) {
9464 board[fromY][fromX] = EmptySquare;
9465 board[toY][toX] = BlackKing;
9466 board[fromY][0] = EmptySquare;
9467 board[toY][2] = BlackRook;
9468 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9469 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9470 && toY < promoRank && promoChar
9472 /* black pawn promotion */
9473 board[toY][toX] = CharToPiece(ToLower(promoChar));
9474 if(gameInfo.variant==VariantBughouse ||
9475 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9476 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9477 board[fromY][fromX] = EmptySquare;
9478 } else if ((fromY < BOARD_HEIGHT>>1)
9480 && gameInfo.variant != VariantXiangqi
9481 && gameInfo.variant != VariantBerolina
9482 && (board[fromY][fromX] == BlackPawn)
9483 && (board[toY][toX] == EmptySquare)) {
9484 board[fromY][fromX] = EmptySquare;
9485 board[toY][toX] = BlackPawn;
9486 captured = board[toY + 1][toX];
9487 board[toY + 1][toX] = EmptySquare;
9488 } else if ((fromY == 3)
9490 && gameInfo.variant == VariantBerolina
9491 && (board[fromY][fromX] == BlackPawn)
9492 && (board[toY][toX] == EmptySquare)) {
9493 board[fromY][fromX] = EmptySquare;
9494 board[toY][toX] = BlackPawn;
9495 if(oldEP & EP_BEROLIN_A) {
9496 captured = board[fromY][fromX-1];
9497 board[fromY][fromX-1] = EmptySquare;
9498 }else{ captured = board[fromY][fromX+1];
9499 board[fromY][fromX+1] = EmptySquare;
9502 board[toY][toX] = board[fromY][fromX];
9503 board[fromY][fromX] = EmptySquare;
9507 if (gameInfo.holdingsWidth != 0) {
9509 /* !!A lot more code needs to be written to support holdings */
9510 /* [HGM] OK, so I have written it. Holdings are stored in the */
9511 /* penultimate board files, so they are automaticlly stored */
9512 /* in the game history. */
9513 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9514 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9515 /* Delete from holdings, by decreasing count */
9516 /* and erasing image if necessary */
9517 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9518 if(p < (int) BlackPawn) { /* white drop */
9519 p -= (int)WhitePawn;
9520 p = PieceToNumber((ChessSquare)p);
9521 if(p >= gameInfo.holdingsSize) p = 0;
9522 if(--board[p][BOARD_WIDTH-2] <= 0)
9523 board[p][BOARD_WIDTH-1] = EmptySquare;
9524 if((int)board[p][BOARD_WIDTH-2] < 0)
9525 board[p][BOARD_WIDTH-2] = 0;
9526 } else { /* black drop */
9527 p -= (int)BlackPawn;
9528 p = PieceToNumber((ChessSquare)p);
9529 if(p >= gameInfo.holdingsSize) p = 0;
9530 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9531 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9532 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9533 board[BOARD_HEIGHT-1-p][1] = 0;
9536 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9537 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9538 /* [HGM] holdings: Add to holdings, if holdings exist */
9539 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9540 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9541 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9544 if (p >= (int) BlackPawn) {
9545 p -= (int)BlackPawn;
9546 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9547 /* in Shogi restore piece to its original first */
9548 captured = (ChessSquare) (DEMOTED captured);
9551 p = PieceToNumber((ChessSquare)p);
9552 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9553 board[p][BOARD_WIDTH-2]++;
9554 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9556 p -= (int)WhitePawn;
9557 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9558 captured = (ChessSquare) (DEMOTED captured);
9561 p = PieceToNumber((ChessSquare)p);
9562 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9563 board[BOARD_HEIGHT-1-p][1]++;
9564 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9567 } else if (gameInfo.variant == VariantAtomic) {
9568 if (captured != EmptySquare) {
9570 for (y = toY-1; y <= toY+1; y++) {
9571 for (x = toX-1; x <= toX+1; x++) {
9572 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9573 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9574 board[y][x] = EmptySquare;
9578 board[toY][toX] = EmptySquare;
9581 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9582 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9584 if(promoChar == '+') {
9585 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9586 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9587 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9588 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9589 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9590 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9591 board[toY][toX] = newPiece;
9593 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9594 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9595 // [HGM] superchess: take promotion piece out of holdings
9596 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9597 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9598 if(!--board[k][BOARD_WIDTH-2])
9599 board[k][BOARD_WIDTH-1] = EmptySquare;
9601 if(!--board[BOARD_HEIGHT-1-k][1])
9602 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9608 /* Updates forwardMostMove */
9610 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9612 // forwardMostMove++; // [HGM] bare: moved downstream
9614 (void) CoordsToAlgebraic(boards[forwardMostMove],
9615 PosFlags(forwardMostMove),
9616 fromY, fromX, toY, toX, promoChar,
9617 parseList[forwardMostMove]);
9619 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9620 int timeLeft; static int lastLoadFlag=0; int king, piece;
9621 piece = boards[forwardMostMove][fromY][fromX];
9622 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9623 if(gameInfo.variant == VariantKnightmate)
9624 king += (int) WhiteUnicorn - (int) WhiteKing;
9625 if(forwardMostMove == 0) {
9626 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9627 fprintf(serverMoves, "%s;", UserName());
9628 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9629 fprintf(serverMoves, "%s;", second.tidy);
9630 fprintf(serverMoves, "%s;", first.tidy);
9631 if(gameMode == MachinePlaysWhite)
9632 fprintf(serverMoves, "%s;", UserName());
9633 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9634 fprintf(serverMoves, "%s;", second.tidy);
9635 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9636 lastLoadFlag = loadFlag;
9638 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9639 // print castling suffix
9640 if( toY == fromY && piece == king ) {
9642 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9644 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9647 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9648 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9649 boards[forwardMostMove][toY][toX] == EmptySquare
9650 && fromX != toX && fromY != toY)
9651 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9653 if(promoChar != NULLCHAR) {
9654 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9655 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9656 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9657 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9660 char buf[MOVE_LEN*2], *p; int len;
9661 fprintf(serverMoves, "/%d/%d",
9662 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9663 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9664 else timeLeft = blackTimeRemaining/1000;
9665 fprintf(serverMoves, "/%d", timeLeft);
9666 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9667 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9668 if(p = strchr(buf, '=')) *p = NULLCHAR;
9669 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9670 fprintf(serverMoves, "/%s", buf);
9672 fflush(serverMoves);
9675 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9676 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9679 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9680 if (commentList[forwardMostMove+1] != NULL) {
9681 free(commentList[forwardMostMove+1]);
9682 commentList[forwardMostMove+1] = NULL;
9684 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9685 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9686 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9687 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9688 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9689 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9690 adjustedClock = FALSE;
9691 gameInfo.result = GameUnfinished;
9692 if (gameInfo.resultDetails != NULL) {
9693 free(gameInfo.resultDetails);
9694 gameInfo.resultDetails = NULL;
9696 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9697 moveList[forwardMostMove - 1]);
9698 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9704 if(gameInfo.variant != VariantShogi)
9705 strcat(parseList[forwardMostMove - 1], "+");
9709 strcat(parseList[forwardMostMove - 1], "#");
9715 /* Updates currentMove if not pausing */
9717 ShowMove (int fromX, int fromY, int toX, int toY)
9719 int instant = (gameMode == PlayFromGameFile) ?
9720 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9721 if(appData.noGUI) return;
9722 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9724 if (forwardMostMove == currentMove + 1) {
9725 AnimateMove(boards[forwardMostMove - 1],
9726 fromX, fromY, toX, toY);
9729 currentMove = forwardMostMove;
9732 if (instant) return;
9734 DisplayMove(currentMove - 1);
9735 DrawPosition(FALSE, boards[currentMove]);
9736 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9737 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9738 SetHighlights(fromX, fromY, toX, toY);
9741 DisplayBothClocks();
9742 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9746 SendEgtPath (ChessProgramState *cps)
9747 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9748 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9750 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9753 char c, *q = name+1, *r, *s;
9755 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9756 while(*p && *p != ',') *q++ = *p++;
9758 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9759 strcmp(name, ",nalimov:") == 0 ) {
9760 // take nalimov path from the menu-changeable option first, if it is defined
9761 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9762 SendToProgram(buf,cps); // send egtbpath command for nalimov
9764 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9765 (s = StrStr(appData.egtFormats, name)) != NULL) {
9766 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9767 s = r = StrStr(s, ":") + 1; // beginning of path info
9768 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9769 c = *r; *r = 0; // temporarily null-terminate path info
9770 *--q = 0; // strip of trailig ':' from name
9771 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9773 SendToProgram(buf,cps); // send egtbpath command for this format
9775 if(*p == ',') p++; // read away comma to position for next format name
9780 InitChessProgram (ChessProgramState *cps, int setup)
9781 /* setup needed to setup FRC opening position */
9783 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9784 if (appData.noChessProgram) return;
9785 hintRequested = FALSE;
9786 bookRequested = FALSE;
9788 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9789 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9790 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9791 if(cps->memSize) { /* [HGM] memory */
9792 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9793 SendToProgram(buf, cps);
9795 SendEgtPath(cps); /* [HGM] EGT */
9796 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9797 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9798 SendToProgram(buf, cps);
9801 SendToProgram(cps->initString, cps);
9802 if (gameInfo.variant != VariantNormal &&
9803 gameInfo.variant != VariantLoadable
9804 /* [HGM] also send variant if board size non-standard */
9805 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9807 char *v = VariantName(gameInfo.variant);
9808 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9809 /* [HGM] in protocol 1 we have to assume all variants valid */
9810 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9811 DisplayFatalError(buf, 0, 1);
9815 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9816 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9817 if( gameInfo.variant == VariantXiangqi )
9818 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9819 if( gameInfo.variant == VariantShogi )
9820 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9821 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9822 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9823 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9824 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9825 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9826 if( gameInfo.variant == VariantCourier )
9827 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9828 if( gameInfo.variant == VariantSuper )
9829 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9830 if( gameInfo.variant == VariantGreat )
9831 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9832 if( gameInfo.variant == VariantSChess )
9833 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9834 if( gameInfo.variant == VariantGrand )
9835 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9838 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9839 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9840 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9841 if(StrStr(cps->variants, b) == NULL) {
9842 // specific sized variant not known, check if general sizing allowed
9843 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9844 if(StrStr(cps->variants, "boardsize") == NULL) {
9845 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9846 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9847 DisplayFatalError(buf, 0, 1);
9850 /* [HGM] here we really should compare with the maximum supported board size */
9853 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9854 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9855 SendToProgram(buf, cps);
9857 currentlyInitializedVariant = gameInfo.variant;
9859 /* [HGM] send opening position in FRC to first engine */
9861 SendToProgram("force\n", cps);
9863 /* engine is now in force mode! Set flag to wake it up after first move. */
9864 setboardSpoiledMachineBlack = 1;
9868 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9869 SendToProgram(buf, cps);
9871 cps->maybeThinking = FALSE;
9872 cps->offeredDraw = 0;
9873 if (!appData.icsActive) {
9874 SendTimeControl(cps, movesPerSession, timeControl,
9875 timeIncrement, appData.searchDepth,
9878 if (appData.showThinking
9879 // [HGM] thinking: four options require thinking output to be sent
9880 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9882 SendToProgram("post\n", cps);
9884 SendToProgram("hard\n", cps);
9885 if (!appData.ponderNextMove) {
9886 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9887 it without being sure what state we are in first. "hard"
9888 is not a toggle, so that one is OK.
9890 SendToProgram("easy\n", cps);
9893 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9894 SendToProgram(buf, cps);
9896 cps->initDone = TRUE;
9897 ClearEngineOutputPane(cps == &second);
9902 StartChessProgram (ChessProgramState *cps)
9907 if (appData.noChessProgram) return;
9908 cps->initDone = FALSE;
9910 if (strcmp(cps->host, "localhost") == 0) {
9911 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9912 } else if (*appData.remoteShell == NULLCHAR) {
9913 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9915 if (*appData.remoteUser == NULLCHAR) {
9916 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9919 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9920 cps->host, appData.remoteUser, cps->program);
9922 err = StartChildProcess(buf, "", &cps->pr);
9926 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9927 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9928 if(cps != &first) return;
9929 appData.noChessProgram = TRUE;
9932 // DisplayFatalError(buf, err, 1);
9933 // cps->pr = NoProc;
9938 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9939 if (cps->protocolVersion > 1) {
9940 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9941 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9942 cps->comboCnt = 0; // and values of combo boxes
9943 SendToProgram(buf, cps);
9945 SendToProgram("xboard\n", cps);
9950 TwoMachinesEventIfReady P((void))
9952 static int curMess = 0;
9953 if (first.lastPing != first.lastPong) {
9954 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9955 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9958 if (second.lastPing != second.lastPong) {
9959 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9960 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9963 DisplayMessage("", ""); curMess = 0;
9969 MakeName (char *template)
9973 static char buf[MSG_SIZ];
9977 clock = time((time_t *)NULL);
9978 tm = localtime(&clock);
9980 while(*p++ = *template++) if(p[-1] == '%') {
9981 switch(*template++) {
9982 case 0: *p = 0; return buf;
9983 case 'Y': i = tm->tm_year+1900; break;
9984 case 'y': i = tm->tm_year-100; break;
9985 case 'M': i = tm->tm_mon+1; break;
9986 case 'd': i = tm->tm_mday; break;
9987 case 'h': i = tm->tm_hour; break;
9988 case 'm': i = tm->tm_min; break;
9989 case 's': i = tm->tm_sec; break;
9992 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9998 CountPlayers (char *p)
10001 while(p = strchr(p, '\n')) p++, n++; // count participants
10006 WriteTourneyFile (char *results, FILE *f)
10007 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10008 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10009 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10010 // create a file with tournament description
10011 fprintf(f, "-participants {%s}\n", appData.participants);
10012 fprintf(f, "-seedBase %d\n", appData.seedBase);
10013 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10014 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10015 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10016 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10017 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10018 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10019 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10020 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10021 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10022 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10023 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10024 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10026 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10028 fprintf(f, "-mps %d\n", appData.movesPerSession);
10029 fprintf(f, "-tc %s\n", appData.timeControl);
10030 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10032 fprintf(f, "-results \"%s\"\n", results);
10037 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10040 Substitute (char *participants, int expunge)
10042 int i, changed, changes=0, nPlayers=0;
10043 char *p, *q, *r, buf[MSG_SIZ];
10044 if(participants == NULL) return;
10045 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10046 r = p = participants; q = appData.participants;
10047 while(*p && *p == *q) {
10048 if(*p == '\n') r = p+1, nPlayers++;
10051 if(*p) { // difference
10052 while(*p && *p++ != '\n');
10053 while(*q && *q++ != '\n');
10054 changed = nPlayers;
10055 changes = 1 + (strcmp(p, q) != 0);
10057 if(changes == 1) { // a single engine mnemonic was changed
10058 q = r; while(*q) nPlayers += (*q++ == '\n');
10059 p = buf; while(*r && (*p = *r++) != '\n') p++;
10061 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10062 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10063 if(mnemonic[i]) { // The substitute is valid
10065 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10066 flock(fileno(f), LOCK_EX);
10067 ParseArgsFromFile(f);
10068 fseek(f, 0, SEEK_SET);
10069 FREE(appData.participants); appData.participants = participants;
10070 if(expunge) { // erase results of replaced engine
10071 int len = strlen(appData.results), w, b, dummy;
10072 for(i=0; i<len; i++) {
10073 Pairing(i, nPlayers, &w, &b, &dummy);
10074 if((w == changed || b == changed) && appData.results[i] == '*') {
10075 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10080 for(i=0; i<len; i++) {
10081 Pairing(i, nPlayers, &w, &b, &dummy);
10082 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10085 WriteTourneyFile(appData.results, f);
10086 fclose(f); // release lock
10089 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10091 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10092 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10093 free(participants);
10098 CheckPlayers (char *participants)
10101 char buf[MSG_SIZ], *p;
10102 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10103 while(p = strchr(participants, '\n')) {
10105 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10107 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10109 DisplayError(buf, 0);
10113 participants = p + 1;
10119 CreateTourney (char *name)
10122 if(matchMode && strcmp(name, appData.tourneyFile)) {
10123 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10125 if(name[0] == NULLCHAR) {
10126 if(appData.participants[0])
10127 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10130 f = fopen(name, "r");
10131 if(f) { // file exists
10132 ASSIGN(appData.tourneyFile, name);
10133 ParseArgsFromFile(f); // parse it
10135 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10136 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10137 DisplayError(_("Not enough participants"), 0);
10140 if(CheckPlayers(appData.participants)) return 0;
10141 ASSIGN(appData.tourneyFile, name);
10142 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10143 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10146 appData.noChessProgram = FALSE;
10147 appData.clockMode = TRUE;
10153 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10155 char buf[MSG_SIZ], *p, *q;
10156 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10157 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10158 skip = !all && group[0]; // if group requested, we start in skip mode
10159 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10160 p = names; q = buf; header = 0;
10161 while(*p && *p != '\n') *q++ = *p++;
10163 if(*p == '\n') p++;
10164 if(buf[0] == '#') {
10165 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10166 depth++; // we must be entering a new group
10167 if(all) continue; // suppress printing group headers when complete list requested
10169 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10171 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10172 if(engineList[i]) free(engineList[i]);
10173 engineList[i] = strdup(buf);
10174 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10175 if(engineMnemonic[i]) free(engineMnemonic[i]);
10176 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10178 sscanf(q + 8, "%s", buf + strlen(buf));
10181 engineMnemonic[i] = strdup(buf);
10184 engineList[i] = engineMnemonic[i] = NULL;
10188 // following implemented as macro to avoid type limitations
10189 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10192 SwapEngines (int n)
10193 { // swap settings for first engine and other engine (so far only some selected options)
10198 SWAP(chessProgram, p)
10200 SWAP(hasOwnBookUCI, h)
10201 SWAP(protocolVersion, h)
10203 SWAP(scoreIsAbsolute, h)
10208 SWAP(engOptions, p)
10209 SWAP(engInitString, p)
10210 SWAP(computerString, p)
10212 SWAP(fenOverride, p)
10214 SWAP(accumulateTC, h)
10219 GetEngineLine (char *s, int n)
10223 extern char *icsNames;
10224 if(!s || !*s) return 0;
10225 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10226 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10227 if(!mnemonic[i]) return 0;
10228 if(n == 11) return 1; // just testing if there was a match
10229 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10230 if(n == 1) SwapEngines(n);
10231 ParseArgsFromString(buf);
10232 if(n == 1) SwapEngines(n);
10233 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10234 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10235 ParseArgsFromString(buf);
10241 SetPlayer (int player, char *p)
10242 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10244 char buf[MSG_SIZ], *engineName;
10245 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10246 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10247 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10249 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10250 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10251 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10252 ParseArgsFromString(buf);
10258 char *recentEngines;
10261 RecentEngineEvent (int nr)
10264 // SwapEngines(1); // bump first to second
10265 // ReplaceEngine(&second, 1); // and load it there
10266 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10267 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10268 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10269 ReplaceEngine(&first, 0);
10270 FloatToFront(&appData.recentEngineList, command[n]);
10275 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10276 { // determine players from game number
10277 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10279 if(appData.tourneyType == 0) {
10280 roundsPerCycle = (nPlayers - 1) | 1;
10281 pairingsPerRound = nPlayers / 2;
10282 } else if(appData.tourneyType > 0) {
10283 roundsPerCycle = nPlayers - appData.tourneyType;
10284 pairingsPerRound = appData.tourneyType;
10286 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10287 gamesPerCycle = gamesPerRound * roundsPerCycle;
10288 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10289 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10290 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10291 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10292 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10293 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10295 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10296 if(appData.roundSync) *syncInterval = gamesPerRound;
10298 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10300 if(appData.tourneyType == 0) {
10301 if(curPairing == (nPlayers-1)/2 ) {
10302 *whitePlayer = curRound;
10303 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10305 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10306 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10307 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10308 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10310 } else if(appData.tourneyType > 1) {
10311 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10312 *whitePlayer = curRound + appData.tourneyType;
10313 } else if(appData.tourneyType > 0) {
10314 *whitePlayer = curPairing;
10315 *blackPlayer = curRound + appData.tourneyType;
10318 // take care of white/black alternation per round.
10319 // For cycles and games this is already taken care of by default, derived from matchGame!
10320 return curRound & 1;
10324 NextTourneyGame (int nr, int *swapColors)
10325 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10327 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10329 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10330 tf = fopen(appData.tourneyFile, "r");
10331 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10332 ParseArgsFromFile(tf); fclose(tf);
10333 InitTimeControls(); // TC might be altered from tourney file
10335 nPlayers = CountPlayers(appData.participants); // count participants
10336 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10337 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10340 p = q = appData.results;
10341 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10342 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10343 DisplayMessage(_("Waiting for other game(s)"),"");
10344 waitingForGame = TRUE;
10345 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10348 waitingForGame = FALSE;
10351 if(appData.tourneyType < 0) {
10352 if(nr>=0 && !pairingReceived) {
10354 if(pairing.pr == NoProc) {
10355 if(!appData.pairingEngine[0]) {
10356 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10359 StartChessProgram(&pairing); // starts the pairing engine
10361 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10362 SendToProgram(buf, &pairing);
10363 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10364 SendToProgram(buf, &pairing);
10365 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10367 pairingReceived = 0; // ... so we continue here
10369 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10370 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10371 matchGame = 1; roundNr = nr / syncInterval + 1;
10374 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10376 // redefine engines, engine dir, etc.
10377 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10378 if(first.pr == NoProc) {
10379 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10380 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10382 if(second.pr == NoProc) {
10384 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10385 SwapEngines(1); // and make that valid for second engine by swapping
10386 InitEngine(&second, 1);
10388 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10389 UpdateLogos(FALSE); // leave display to ModeHiglight()
10395 { // performs game initialization that does not invoke engines, and then tries to start the game
10396 int res, firstWhite, swapColors = 0;
10397 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10398 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
10400 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10401 if(strcmp(buf, currentDebugFile)) { // name has changed
10402 FILE *f = fopen(buf, "w");
10403 if(f) { // if opening the new file failed, just keep using the old one
10404 ASSIGN(currentDebugFile, buf);
10408 if(appData.serverFileName) {
10409 if(serverFP) fclose(serverFP);
10410 serverFP = fopen(appData.serverFileName, "w");
10411 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10412 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10416 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10417 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10418 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10419 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10420 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10421 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10422 Reset(FALSE, first.pr != NoProc);
10423 res = LoadGameOrPosition(matchGame); // setup game
10424 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10425 if(!res) return; // abort when bad game/pos file
10426 TwoMachinesEvent();
10430 UserAdjudicationEvent (int result)
10432 ChessMove gameResult = GameIsDrawn;
10435 gameResult = WhiteWins;
10437 else if( result < 0 ) {
10438 gameResult = BlackWins;
10441 if( gameMode == TwoMachinesPlay ) {
10442 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10447 // [HGM] save: calculate checksum of game to make games easily identifiable
10449 StringCheckSum (char *s)
10452 if(s==NULL) return 0;
10453 while(*s) i = i*259 + *s++;
10461 for(i=backwardMostMove; i<forwardMostMove; i++) {
10462 sum += pvInfoList[i].depth;
10463 sum += StringCheckSum(parseList[i]);
10464 sum += StringCheckSum(commentList[i]);
10467 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10468 return sum + StringCheckSum(commentList[i]);
10469 } // end of save patch
10472 GameEnds (ChessMove result, char *resultDetails, int whosays)
10474 GameMode nextGameMode;
10476 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10478 if(endingGame) return; /* [HGM] crash: forbid recursion */
10480 if(twoBoards) { // [HGM] dual: switch back to one board
10481 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10482 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10484 if (appData.debugMode) {
10485 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10486 result, resultDetails ? resultDetails : "(null)", whosays);
10489 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10491 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10492 /* If we are playing on ICS, the server decides when the
10493 game is over, but the engine can offer to draw, claim
10497 if (appData.zippyPlay && first.initDone) {
10498 if (result == GameIsDrawn) {
10499 /* In case draw still needs to be claimed */
10500 SendToICS(ics_prefix);
10501 SendToICS("draw\n");
10502 } else if (StrCaseStr(resultDetails, "resign")) {
10503 SendToICS(ics_prefix);
10504 SendToICS("resign\n");
10508 endingGame = 0; /* [HGM] crash */
10512 /* If we're loading the game from a file, stop */
10513 if (whosays == GE_FILE) {
10514 (void) StopLoadGameTimer();
10518 /* Cancel draw offers */
10519 first.offeredDraw = second.offeredDraw = 0;
10521 /* If this is an ICS game, only ICS can really say it's done;
10522 if not, anyone can. */
10523 isIcsGame = (gameMode == IcsPlayingWhite ||
10524 gameMode == IcsPlayingBlack ||
10525 gameMode == IcsObserving ||
10526 gameMode == IcsExamining);
10528 if (!isIcsGame || whosays == GE_ICS) {
10529 /* OK -- not an ICS game, or ICS said it was done */
10531 if (!isIcsGame && !appData.noChessProgram)
10532 SetUserThinkingEnables();
10534 /* [HGM] if a machine claims the game end we verify this claim */
10535 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10536 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10538 ChessMove trueResult = (ChessMove) -1;
10540 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10541 first.twoMachinesColor[0] :
10542 second.twoMachinesColor[0] ;
10544 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10545 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10546 /* [HGM] verify: engine mate claims accepted if they were flagged */
10547 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10549 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10550 /* [HGM] verify: engine mate claims accepted if they were flagged */
10551 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10553 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10554 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10557 // now verify win claims, but not in drop games, as we don't understand those yet
10558 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10559 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10560 (result == WhiteWins && claimer == 'w' ||
10561 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10562 if (appData.debugMode) {
10563 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10564 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10566 if(result != trueResult) {
10567 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10568 result = claimer == 'w' ? BlackWins : WhiteWins;
10569 resultDetails = buf;
10572 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10573 && (forwardMostMove <= backwardMostMove ||
10574 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10575 (claimer=='b')==(forwardMostMove&1))
10577 /* [HGM] verify: draws that were not flagged are false claims */
10578 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10579 result = claimer == 'w' ? BlackWins : WhiteWins;
10580 resultDetails = buf;
10582 /* (Claiming a loss is accepted no questions asked!) */
10584 /* [HGM] bare: don't allow bare King to win */
10585 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10586 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10587 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10588 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10589 && result != GameIsDrawn)
10590 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10591 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10592 int p = (signed char)boards[forwardMostMove][i][j] - color;
10593 if(p >= 0 && p <= (int)WhiteKing) k++;
10595 if (appData.debugMode) {
10596 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10597 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10600 result = GameIsDrawn;
10601 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10602 resultDetails = buf;
10608 if(serverMoves != NULL && !loadFlag) { char c = '=';
10609 if(result==WhiteWins) c = '+';
10610 if(result==BlackWins) c = '-';
10611 if(resultDetails != NULL)
10612 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10614 if (resultDetails != NULL) {
10615 gameInfo.result = result;
10616 gameInfo.resultDetails = StrSave(resultDetails);
10618 /* display last move only if game was not loaded from file */
10619 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10620 DisplayMove(currentMove - 1);
10622 if (forwardMostMove != 0) {
10623 if (gameMode != PlayFromGameFile && gameMode != EditGame
10624 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10626 if (*appData.saveGameFile != NULLCHAR) {
10627 SaveGameToFile(appData.saveGameFile, TRUE);
10628 } else if (appData.autoSaveGames) {
10631 if (*appData.savePositionFile != NULLCHAR) {
10632 SavePositionToFile(appData.savePositionFile);
10637 /* Tell program how game ended in case it is learning */
10638 /* [HGM] Moved this to after saving the PGN, just in case */
10639 /* engine died and we got here through time loss. In that */
10640 /* case we will get a fatal error writing the pipe, which */
10641 /* would otherwise lose us the PGN. */
10642 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10643 /* output during GameEnds should never be fatal anymore */
10644 if (gameMode == MachinePlaysWhite ||
10645 gameMode == MachinePlaysBlack ||
10646 gameMode == TwoMachinesPlay ||
10647 gameMode == IcsPlayingWhite ||
10648 gameMode == IcsPlayingBlack ||
10649 gameMode == BeginningOfGame) {
10651 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10653 if (first.pr != NoProc) {
10654 SendToProgram(buf, &first);
10656 if (second.pr != NoProc &&
10657 gameMode == TwoMachinesPlay) {
10658 SendToProgram(buf, &second);
10663 if (appData.icsActive) {
10664 if (appData.quietPlay &&
10665 (gameMode == IcsPlayingWhite ||
10666 gameMode == IcsPlayingBlack)) {
10667 SendToICS(ics_prefix);
10668 SendToICS("set shout 1\n");
10670 nextGameMode = IcsIdle;
10671 ics_user_moved = FALSE;
10672 /* clean up premove. It's ugly when the game has ended and the
10673 * premove highlights are still on the board.
10676 gotPremove = FALSE;
10677 ClearPremoveHighlights();
10678 DrawPosition(FALSE, boards[currentMove]);
10680 if (whosays == GE_ICS) {
10683 if (gameMode == IcsPlayingWhite)
10685 else if(gameMode == IcsPlayingBlack)
10686 PlayIcsLossSound();
10689 if (gameMode == IcsPlayingBlack)
10691 else if(gameMode == IcsPlayingWhite)
10692 PlayIcsLossSound();
10695 PlayIcsDrawSound();
10698 PlayIcsUnfinishedSound();
10701 } else if (gameMode == EditGame ||
10702 gameMode == PlayFromGameFile ||
10703 gameMode == AnalyzeMode ||
10704 gameMode == AnalyzeFile) {
10705 nextGameMode = gameMode;
10707 nextGameMode = EndOfGame;
10712 nextGameMode = gameMode;
10715 if (appData.noChessProgram) {
10716 gameMode = nextGameMode;
10718 endingGame = 0; /* [HGM] crash */
10723 /* Put first chess program into idle state */
10724 if (first.pr != NoProc &&
10725 (gameMode == MachinePlaysWhite ||
10726 gameMode == MachinePlaysBlack ||
10727 gameMode == TwoMachinesPlay ||
10728 gameMode == IcsPlayingWhite ||
10729 gameMode == IcsPlayingBlack ||
10730 gameMode == BeginningOfGame)) {
10731 SendToProgram("force\n", &first);
10732 if (first.usePing) {
10734 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10735 SendToProgram(buf, &first);
10738 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10739 /* Kill off first chess program */
10740 if (first.isr != NULL)
10741 RemoveInputSource(first.isr);
10744 if (first.pr != NoProc) {
10746 DoSleep( appData.delayBeforeQuit );
10747 SendToProgram("quit\n", &first);
10748 DoSleep( appData.delayAfterQuit );
10749 DestroyChildProcess(first.pr, first.useSigterm);
10753 if (second.reuse) {
10754 /* Put second chess program into idle state */
10755 if (second.pr != NoProc &&
10756 gameMode == TwoMachinesPlay) {
10757 SendToProgram("force\n", &second);
10758 if (second.usePing) {
10760 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10761 SendToProgram(buf, &second);
10764 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10765 /* Kill off second chess program */
10766 if (second.isr != NULL)
10767 RemoveInputSource(second.isr);
10770 if (second.pr != NoProc) {
10771 DoSleep( appData.delayBeforeQuit );
10772 SendToProgram("quit\n", &second);
10773 DoSleep( appData.delayAfterQuit );
10774 DestroyChildProcess(second.pr, second.useSigterm);
10776 second.pr = NoProc;
10779 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10780 char resChar = '=';
10784 if (first.twoMachinesColor[0] == 'w') {
10787 second.matchWins++;
10792 if (first.twoMachinesColor[0] == 'b') {
10795 second.matchWins++;
10798 case GameUnfinished:
10804 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10805 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10806 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10807 ReserveGame(nextGame, resChar); // sets nextGame
10808 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10809 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10810 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10812 if (nextGame <= appData.matchGames && !abortMatch) {
10813 gameMode = nextGameMode;
10814 matchGame = nextGame; // this will be overruled in tourney mode!
10815 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10816 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10817 endingGame = 0; /* [HGM] crash */
10820 gameMode = nextGameMode;
10821 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10822 first.tidy, second.tidy,
10823 first.matchWins, second.matchWins,
10824 appData.matchGames - (first.matchWins + second.matchWins));
10825 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10826 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10827 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10828 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10829 first.twoMachinesColor = "black\n";
10830 second.twoMachinesColor = "white\n";
10832 first.twoMachinesColor = "white\n";
10833 second.twoMachinesColor = "black\n";
10837 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10838 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10840 gameMode = nextGameMode;
10842 endingGame = 0; /* [HGM] crash */
10843 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10844 if(matchMode == TRUE) { // match through command line: exit with or without popup
10846 ToNrEvent(forwardMostMove);
10847 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10849 } else DisplayFatalError(buf, 0, 0);
10850 } else { // match through menu; just stop, with or without popup
10851 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10854 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10855 } else DisplayNote(buf);
10857 if(ranking) free(ranking);
10861 /* Assumes program was just initialized (initString sent).
10862 Leaves program in force mode. */
10864 FeedMovesToProgram (ChessProgramState *cps, int upto)
10868 if (appData.debugMode)
10869 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10870 startedFromSetupPosition ? "position and " : "",
10871 backwardMostMove, upto, cps->which);
10872 if(currentlyInitializedVariant != gameInfo.variant) {
10874 // [HGM] variantswitch: make engine aware of new variant
10875 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10876 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10877 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10878 SendToProgram(buf, cps);
10879 currentlyInitializedVariant = gameInfo.variant;
10881 SendToProgram("force\n", cps);
10882 if (startedFromSetupPosition) {
10883 SendBoard(cps, backwardMostMove);
10884 if (appData.debugMode) {
10885 fprintf(debugFP, "feedMoves\n");
10888 for (i = backwardMostMove; i < upto; i++) {
10889 SendMoveToProgram(i, cps);
10895 ResurrectChessProgram ()
10897 /* The chess program may have exited.
10898 If so, restart it and feed it all the moves made so far. */
10899 static int doInit = 0;
10901 if (appData.noChessProgram) return 1;
10903 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10904 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10905 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10906 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10908 if (first.pr != NoProc) return 1;
10909 StartChessProgram(&first);
10911 InitChessProgram(&first, FALSE);
10912 FeedMovesToProgram(&first, currentMove);
10914 if (!first.sendTime) {
10915 /* can't tell gnuchess what its clock should read,
10916 so we bow to its notion. */
10918 timeRemaining[0][currentMove] = whiteTimeRemaining;
10919 timeRemaining[1][currentMove] = blackTimeRemaining;
10922 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10923 appData.icsEngineAnalyze) && first.analysisSupport) {
10924 SendToProgram("analyze\n", &first);
10925 first.analyzing = TRUE;
10931 * Button procedures
10934 Reset (int redraw, int init)
10938 if (appData.debugMode) {
10939 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10940 redraw, init, gameMode);
10942 CleanupTail(); // [HGM] vari: delete any stored variations
10943 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10944 pausing = pauseExamInvalid = FALSE;
10945 startedFromSetupPosition = blackPlaysFirst = FALSE;
10947 whiteFlag = blackFlag = FALSE;
10948 userOfferedDraw = FALSE;
10949 hintRequested = bookRequested = FALSE;
10950 first.maybeThinking = FALSE;
10951 second.maybeThinking = FALSE;
10952 first.bookSuspend = FALSE; // [HGM] book
10953 second.bookSuspend = FALSE;
10954 thinkOutput[0] = NULLCHAR;
10955 lastHint[0] = NULLCHAR;
10956 ClearGameInfo(&gameInfo);
10957 gameInfo.variant = StringToVariant(appData.variant);
10958 ics_user_moved = ics_clock_paused = FALSE;
10959 ics_getting_history = H_FALSE;
10961 white_holding[0] = black_holding[0] = NULLCHAR;
10962 ClearProgramStats();
10963 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10967 flipView = appData.flipView;
10968 ClearPremoveHighlights();
10969 gotPremove = FALSE;
10970 alarmSounded = FALSE;
10972 GameEnds(EndOfFile, NULL, GE_PLAYER);
10973 if(appData.serverMovesName != NULL) {
10974 /* [HGM] prepare to make moves file for broadcasting */
10975 clock_t t = clock();
10976 if(serverMoves != NULL) fclose(serverMoves);
10977 serverMoves = fopen(appData.serverMovesName, "r");
10978 if(serverMoves != NULL) {
10979 fclose(serverMoves);
10980 /* delay 15 sec before overwriting, so all clients can see end */
10981 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10983 serverMoves = fopen(appData.serverMovesName, "w");
10987 gameMode = BeginningOfGame;
10989 if(appData.icsActive) gameInfo.variant = VariantNormal;
10990 currentMove = forwardMostMove = backwardMostMove = 0;
10991 MarkTargetSquares(1);
10992 InitPosition(redraw);
10993 for (i = 0; i < MAX_MOVES; i++) {
10994 if (commentList[i] != NULL) {
10995 free(commentList[i]);
10996 commentList[i] = NULL;
11000 timeRemaining[0][0] = whiteTimeRemaining;
11001 timeRemaining[1][0] = blackTimeRemaining;
11003 if (first.pr == NoProc) {
11004 StartChessProgram(&first);
11007 InitChessProgram(&first, startedFromSetupPosition);
11010 DisplayMessage("", "");
11011 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11012 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11013 ClearMap(); // [HGM] exclude: invalidate map
11017 AutoPlayGameLoop ()
11020 if (!AutoPlayOneMove())
11022 if (matchMode || appData.timeDelay == 0)
11024 if (appData.timeDelay < 0)
11026 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11034 ReloadGame(1); // next game
11040 int fromX, fromY, toX, toY;
11042 if (appData.debugMode) {
11043 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11046 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11049 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11050 pvInfoList[currentMove].depth = programStats.depth;
11051 pvInfoList[currentMove].score = programStats.score;
11052 pvInfoList[currentMove].time = 0;
11053 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11056 if (currentMove >= forwardMostMove) {
11057 if(gameMode == AnalyzeFile) {
11058 if(appData.loadGameIndex == -1) {
11059 GameEnds(EndOfFile, NULL, GE_FILE);
11060 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11062 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11065 // gameMode = EndOfGame;
11066 // ModeHighlight();
11068 /* [AS] Clear current move marker at the end of a game */
11069 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11074 toX = moveList[currentMove][2] - AAA;
11075 toY = moveList[currentMove][3] - ONE;
11077 if (moveList[currentMove][1] == '@') {
11078 if (appData.highlightLastMove) {
11079 SetHighlights(-1, -1, toX, toY);
11082 fromX = moveList[currentMove][0] - AAA;
11083 fromY = moveList[currentMove][1] - ONE;
11085 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11087 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11089 if (appData.highlightLastMove) {
11090 SetHighlights(fromX, fromY, toX, toY);
11093 DisplayMove(currentMove);
11094 SendMoveToProgram(currentMove++, &first);
11095 DisplayBothClocks();
11096 DrawPosition(FALSE, boards[currentMove]);
11097 // [HGM] PV info: always display, routine tests if empty
11098 DisplayComment(currentMove - 1, commentList[currentMove]);
11104 LoadGameOneMove (ChessMove readAhead)
11106 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11107 char promoChar = NULLCHAR;
11108 ChessMove moveType;
11109 char move[MSG_SIZ];
11112 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11113 gameMode != AnalyzeMode && gameMode != Training) {
11118 yyboardindex = forwardMostMove;
11119 if (readAhead != EndOfFile) {
11120 moveType = readAhead;
11122 if (gameFileFP == NULL)
11124 moveType = (ChessMove) Myylex();
11128 switch (moveType) {
11130 if (appData.debugMode)
11131 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11134 /* append the comment but don't display it */
11135 AppendComment(currentMove, p, FALSE);
11138 case WhiteCapturesEnPassant:
11139 case BlackCapturesEnPassant:
11140 case WhitePromotion:
11141 case BlackPromotion:
11142 case WhiteNonPromotion:
11143 case BlackNonPromotion:
11145 case WhiteKingSideCastle:
11146 case WhiteQueenSideCastle:
11147 case BlackKingSideCastle:
11148 case BlackQueenSideCastle:
11149 case WhiteKingSideCastleWild:
11150 case WhiteQueenSideCastleWild:
11151 case BlackKingSideCastleWild:
11152 case BlackQueenSideCastleWild:
11154 case WhiteHSideCastleFR:
11155 case WhiteASideCastleFR:
11156 case BlackHSideCastleFR:
11157 case BlackASideCastleFR:
11159 if (appData.debugMode)
11160 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11161 fromX = currentMoveString[0] - AAA;
11162 fromY = currentMoveString[1] - ONE;
11163 toX = currentMoveString[2] - AAA;
11164 toY = currentMoveString[3] - ONE;
11165 promoChar = currentMoveString[4];
11170 if (appData.debugMode)
11171 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11172 fromX = moveType == WhiteDrop ?
11173 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11174 (int) CharToPiece(ToLower(currentMoveString[0]));
11176 toX = currentMoveString[2] - AAA;
11177 toY = currentMoveString[3] - ONE;
11183 case GameUnfinished:
11184 if (appData.debugMode)
11185 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11186 p = strchr(yy_text, '{');
11187 if (p == NULL) p = strchr(yy_text, '(');
11190 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11192 q = strchr(p, *p == '{' ? '}' : ')');
11193 if (q != NULL) *q = NULLCHAR;
11196 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11197 GameEnds(moveType, p, GE_FILE);
11199 if (cmailMsgLoaded) {
11201 flipView = WhiteOnMove(currentMove);
11202 if (moveType == GameUnfinished) flipView = !flipView;
11203 if (appData.debugMode)
11204 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11209 if (appData.debugMode)
11210 fprintf(debugFP, "Parser hit end of file\n");
11211 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11217 if (WhiteOnMove(currentMove)) {
11218 GameEnds(BlackWins, "Black mates", GE_FILE);
11220 GameEnds(WhiteWins, "White mates", GE_FILE);
11224 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11230 case MoveNumberOne:
11231 if (lastLoadGameStart == GNUChessGame) {
11232 /* GNUChessGames have numbers, but they aren't move numbers */
11233 if (appData.debugMode)
11234 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11235 yy_text, (int) moveType);
11236 return LoadGameOneMove(EndOfFile); /* tail recursion */
11238 /* else fall thru */
11243 /* Reached start of next game in file */
11244 if (appData.debugMode)
11245 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11246 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11252 if (WhiteOnMove(currentMove)) {
11253 GameEnds(BlackWins, "Black mates", GE_FILE);
11255 GameEnds(WhiteWins, "White mates", GE_FILE);
11259 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11265 case PositionDiagram: /* should not happen; ignore */
11266 case ElapsedTime: /* ignore */
11267 case NAG: /* ignore */
11268 if (appData.debugMode)
11269 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11270 yy_text, (int) moveType);
11271 return LoadGameOneMove(EndOfFile); /* tail recursion */
11274 if (appData.testLegality) {
11275 if (appData.debugMode)
11276 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11277 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11278 (forwardMostMove / 2) + 1,
11279 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11280 DisplayError(move, 0);
11283 if (appData.debugMode)
11284 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11285 yy_text, currentMoveString);
11286 fromX = currentMoveString[0] - AAA;
11287 fromY = currentMoveString[1] - ONE;
11288 toX = currentMoveString[2] - AAA;
11289 toY = currentMoveString[3] - ONE;
11290 promoChar = currentMoveString[4];
11294 case AmbiguousMove:
11295 if (appData.debugMode)
11296 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11297 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11298 (forwardMostMove / 2) + 1,
11299 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11300 DisplayError(move, 0);
11305 case ImpossibleMove:
11306 if (appData.debugMode)
11307 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11308 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11309 (forwardMostMove / 2) + 1,
11310 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11311 DisplayError(move, 0);
11317 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11318 DrawPosition(FALSE, boards[currentMove]);
11319 DisplayBothClocks();
11320 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11321 DisplayComment(currentMove - 1, commentList[currentMove]);
11323 (void) StopLoadGameTimer();
11325 cmailOldMove = forwardMostMove;
11328 /* currentMoveString is set as a side-effect of yylex */
11330 thinkOutput[0] = NULLCHAR;
11331 MakeMove(fromX, fromY, toX, toY, promoChar);
11332 currentMove = forwardMostMove;
11337 /* Load the nth game from the given file */
11339 LoadGameFromFile (char *filename, int n, char *title, int useList)
11344 if (strcmp(filename, "-") == 0) {
11348 f = fopen(filename, "rb");
11350 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11351 DisplayError(buf, errno);
11355 if (fseek(f, 0, 0) == -1) {
11356 /* f is not seekable; probably a pipe */
11359 if (useList && n == 0) {
11360 int error = GameListBuild(f);
11362 DisplayError(_("Cannot build game list"), error);
11363 } else if (!ListEmpty(&gameList) &&
11364 ((ListGame *) gameList.tailPred)->number > 1) {
11365 GameListPopUp(f, title);
11372 return LoadGame(f, n, title, FALSE);
11377 MakeRegisteredMove ()
11379 int fromX, fromY, toX, toY;
11381 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11382 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11385 if (appData.debugMode)
11386 fprintf(debugFP, "Restoring %s for game %d\n",
11387 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11389 thinkOutput[0] = NULLCHAR;
11390 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11391 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11392 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11393 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11394 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11395 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11396 MakeMove(fromX, fromY, toX, toY, promoChar);
11397 ShowMove(fromX, fromY, toX, toY);
11399 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11406 if (WhiteOnMove(currentMove)) {
11407 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11409 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11414 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11421 if (WhiteOnMove(currentMove)) {
11422 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11424 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11429 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11440 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11442 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11446 if (gameNumber > nCmailGames) {
11447 DisplayError(_("No more games in this message"), 0);
11450 if (f == lastLoadGameFP) {
11451 int offset = gameNumber - lastLoadGameNumber;
11453 cmailMsg[0] = NULLCHAR;
11454 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11455 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11456 nCmailMovesRegistered--;
11458 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11459 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11460 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11463 if (! RegisterMove()) return FALSE;
11467 retVal = LoadGame(f, gameNumber, title, useList);
11469 /* Make move registered during previous look at this game, if any */
11470 MakeRegisteredMove();
11472 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11473 commentList[currentMove]
11474 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11475 DisplayComment(currentMove - 1, commentList[currentMove]);
11481 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11483 ReloadGame (int offset)
11485 int gameNumber = lastLoadGameNumber + offset;
11486 if (lastLoadGameFP == NULL) {
11487 DisplayError(_("No game has been loaded yet"), 0);
11490 if (gameNumber <= 0) {
11491 DisplayError(_("Can't back up any further"), 0);
11494 if (cmailMsgLoaded) {
11495 return CmailLoadGame(lastLoadGameFP, gameNumber,
11496 lastLoadGameTitle, lastLoadGameUseList);
11498 return LoadGame(lastLoadGameFP, gameNumber,
11499 lastLoadGameTitle, lastLoadGameUseList);
11503 int keys[EmptySquare+1];
11506 PositionMatches (Board b1, Board b2)
11509 switch(appData.searchMode) {
11510 case 1: return CompareWithRights(b1, b2);
11512 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11513 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11517 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11518 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11519 sum += keys[b1[r][f]] - keys[b2[r][f]];
11523 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11524 sum += keys[b1[r][f]] - keys[b2[r][f]];
11536 int pieceList[256], quickBoard[256];
11537 ChessSquare pieceType[256] = { EmptySquare };
11538 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11539 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11540 int soughtTotal, turn;
11541 Boolean epOK, flipSearch;
11544 unsigned char piece, to;
11547 #define DSIZE (250000)
11549 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11550 Move *moveDatabase = initialSpace;
11551 unsigned int movePtr, dataSize = DSIZE;
11554 MakePieceList (Board board, int *counts)
11556 int r, f, n=Q_PROMO, total=0;
11557 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11558 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11559 int sq = f + (r<<4);
11560 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11561 quickBoard[sq] = ++n;
11563 pieceType[n] = board[r][f];
11564 counts[board[r][f]]++;
11565 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11566 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11570 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11575 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11577 int sq = fromX + (fromY<<4);
11578 int piece = quickBoard[sq];
11579 quickBoard[sq] = 0;
11580 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11581 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11582 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11583 moveDatabase[movePtr++].piece = Q_WCASTL;
11584 quickBoard[sq] = piece;
11585 piece = quickBoard[from]; quickBoard[from] = 0;
11586 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11588 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11589 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11590 moveDatabase[movePtr++].piece = Q_BCASTL;
11591 quickBoard[sq] = piece;
11592 piece = quickBoard[from]; quickBoard[from] = 0;
11593 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11595 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11596 quickBoard[(fromY<<4)+toX] = 0;
11597 moveDatabase[movePtr].piece = Q_EP;
11598 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11599 moveDatabase[movePtr].to = sq;
11601 if(promoPiece != pieceType[piece]) {
11602 moveDatabase[movePtr++].piece = Q_PROMO;
11603 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11605 moveDatabase[movePtr].piece = piece;
11606 quickBoard[sq] = piece;
11611 PackGame (Board board)
11613 Move *newSpace = NULL;
11614 moveDatabase[movePtr].piece = 0; // terminate previous game
11615 if(movePtr > dataSize) {
11616 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11617 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11618 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11621 Move *p = moveDatabase, *q = newSpace;
11622 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11623 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11624 moveDatabase = newSpace;
11625 } else { // calloc failed, we must be out of memory. Too bad...
11626 dataSize = 0; // prevent calloc events for all subsequent games
11627 return 0; // and signal this one isn't cached
11631 MakePieceList(board, counts);
11636 QuickCompare (Board board, int *minCounts, int *maxCounts)
11637 { // compare according to search mode
11639 switch(appData.searchMode)
11641 case 1: // exact position match
11642 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11643 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11644 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11647 case 2: // can have extra material on empty squares
11648 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11649 if(board[r][f] == EmptySquare) continue;
11650 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11653 case 3: // material with exact Pawn structure
11654 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11655 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11656 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11657 } // fall through to material comparison
11658 case 4: // exact material
11659 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11661 case 6: // material range with given imbalance
11662 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11663 // fall through to range comparison
11664 case 5: // material range
11665 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11671 QuickScan (Board board, Move *move)
11672 { // reconstruct game,and compare all positions in it
11673 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11675 int piece = move->piece;
11676 int to = move->to, from = pieceList[piece];
11677 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11678 if(!piece) return -1;
11679 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11680 piece = (++move)->piece;
11681 from = pieceList[piece];
11682 counts[pieceType[piece]]--;
11683 pieceType[piece] = (ChessSquare) move->to;
11684 counts[move->to]++;
11685 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11686 counts[pieceType[quickBoard[to]]]--;
11687 quickBoard[to] = 0; total--;
11690 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11691 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11692 from = pieceList[piece]; // so this must be King
11693 quickBoard[from] = 0;
11694 pieceList[piece] = to;
11695 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11696 quickBoard[from] = 0; // rook
11697 quickBoard[to] = piece;
11698 to = move->to; piece = move->piece;
11702 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11703 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11704 quickBoard[from] = 0;
11706 quickBoard[to] = piece;
11707 pieceList[piece] = to;
11709 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11710 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11711 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11712 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11714 static int lastCounts[EmptySquare+1];
11716 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11717 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11718 } else stretch = 0;
11719 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11728 flipSearch = FALSE;
11729 CopyBoard(soughtBoard, boards[currentMove]);
11730 soughtTotal = MakePieceList(soughtBoard, maxSought);
11731 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11732 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11733 CopyBoard(reverseBoard, boards[currentMove]);
11734 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11735 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11736 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11737 reverseBoard[r][f] = piece;
11739 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11740 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11741 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11742 || (boards[currentMove][CASTLING][2] == NoRights ||
11743 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11744 && (boards[currentMove][CASTLING][5] == NoRights ||
11745 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11748 CopyBoard(flipBoard, soughtBoard);
11749 CopyBoard(rotateBoard, reverseBoard);
11750 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11751 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11752 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11755 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11756 if(appData.searchMode >= 5) {
11757 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11758 MakePieceList(soughtBoard, minSought);
11759 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11761 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11762 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11765 GameInfo dummyInfo;
11768 GameContainsPosition (FILE *f, ListGame *lg)
11770 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11771 int fromX, fromY, toX, toY;
11773 static int initDone=FALSE;
11775 // weed out games based on numerical tag comparison
11776 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11777 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11778 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11779 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11781 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11784 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11785 else CopyBoard(boards[scratch], initialPosition); // default start position
11788 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11789 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11792 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11793 fseek(f, lg->offset, 0);
11796 yyboardindex = scratch;
11797 quickFlag = plyNr+1;
11802 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11808 if(plyNr) return -1; // after we have seen moves, this is for new game
11811 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11812 case ImpossibleMove:
11813 case WhiteWins: // game ends here with these four
11816 case GameUnfinished:
11820 if(appData.testLegality) return -1;
11821 case WhiteCapturesEnPassant:
11822 case BlackCapturesEnPassant:
11823 case WhitePromotion:
11824 case BlackPromotion:
11825 case WhiteNonPromotion:
11826 case BlackNonPromotion:
11828 case WhiteKingSideCastle:
11829 case WhiteQueenSideCastle:
11830 case BlackKingSideCastle:
11831 case BlackQueenSideCastle:
11832 case WhiteKingSideCastleWild:
11833 case WhiteQueenSideCastleWild:
11834 case BlackKingSideCastleWild:
11835 case BlackQueenSideCastleWild:
11836 case WhiteHSideCastleFR:
11837 case WhiteASideCastleFR:
11838 case BlackHSideCastleFR:
11839 case BlackASideCastleFR:
11840 fromX = currentMoveString[0] - AAA;
11841 fromY = currentMoveString[1] - ONE;
11842 toX = currentMoveString[2] - AAA;
11843 toY = currentMoveString[3] - ONE;
11844 promoChar = currentMoveString[4];
11848 fromX = next == WhiteDrop ?
11849 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11850 (int) CharToPiece(ToLower(currentMoveString[0]));
11852 toX = currentMoveString[2] - AAA;
11853 toY = currentMoveString[3] - ONE;
11857 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11859 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11860 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11861 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11862 if(appData.findMirror) {
11863 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11864 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11869 /* Load the nth game from open file f */
11871 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11875 int gn = gameNumber;
11876 ListGame *lg = NULL;
11877 int numPGNTags = 0;
11879 GameMode oldGameMode;
11880 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11882 if (appData.debugMode)
11883 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11885 if (gameMode == Training )
11886 SetTrainingModeOff();
11888 oldGameMode = gameMode;
11889 if (gameMode != BeginningOfGame) {
11890 Reset(FALSE, TRUE);
11894 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11895 fclose(lastLoadGameFP);
11899 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11902 fseek(f, lg->offset, 0);
11903 GameListHighlight(gameNumber);
11904 pos = lg->position;
11908 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11909 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11911 DisplayError(_("Game number out of range"), 0);
11916 if (fseek(f, 0, 0) == -1) {
11917 if (f == lastLoadGameFP ?
11918 gameNumber == lastLoadGameNumber + 1 :
11922 DisplayError(_("Can't seek on game file"), 0);
11927 lastLoadGameFP = f;
11928 lastLoadGameNumber = gameNumber;
11929 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11930 lastLoadGameUseList = useList;
11934 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11935 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11936 lg->gameInfo.black);
11938 } else if (*title != NULLCHAR) {
11939 if (gameNumber > 1) {
11940 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11943 DisplayTitle(title);
11947 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11948 gameMode = PlayFromGameFile;
11952 currentMove = forwardMostMove = backwardMostMove = 0;
11953 CopyBoard(boards[0], initialPosition);
11957 * Skip the first gn-1 games in the file.
11958 * Also skip over anything that precedes an identifiable
11959 * start of game marker, to avoid being confused by
11960 * garbage at the start of the file. Currently
11961 * recognized start of game markers are the move number "1",
11962 * the pattern "gnuchess .* game", the pattern
11963 * "^[#;%] [^ ]* game file", and a PGN tag block.
11964 * A game that starts with one of the latter two patterns
11965 * will also have a move number 1, possibly
11966 * following a position diagram.
11967 * 5-4-02: Let's try being more lenient and allowing a game to
11968 * start with an unnumbered move. Does that break anything?
11970 cm = lastLoadGameStart = EndOfFile;
11972 yyboardindex = forwardMostMove;
11973 cm = (ChessMove) Myylex();
11976 if (cmailMsgLoaded) {
11977 nCmailGames = CMAIL_MAX_GAMES - gn;
11980 DisplayError(_("Game not found in file"), 0);
11987 lastLoadGameStart = cm;
11990 case MoveNumberOne:
11991 switch (lastLoadGameStart) {
11996 case MoveNumberOne:
11998 gn--; /* count this game */
11999 lastLoadGameStart = cm;
12008 switch (lastLoadGameStart) {
12011 case MoveNumberOne:
12013 gn--; /* count this game */
12014 lastLoadGameStart = cm;
12017 lastLoadGameStart = cm; /* game counted already */
12025 yyboardindex = forwardMostMove;
12026 cm = (ChessMove) Myylex();
12027 } while (cm == PGNTag || cm == Comment);
12034 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12035 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12036 != CMAIL_OLD_RESULT) {
12038 cmailResult[ CMAIL_MAX_GAMES
12039 - gn - 1] = CMAIL_OLD_RESULT;
12045 /* Only a NormalMove can be at the start of a game
12046 * without a position diagram. */
12047 if (lastLoadGameStart == EndOfFile ) {
12049 lastLoadGameStart = MoveNumberOne;
12058 if (appData.debugMode)
12059 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12061 if (cm == XBoardGame) {
12062 /* Skip any header junk before position diagram and/or move 1 */
12064 yyboardindex = forwardMostMove;
12065 cm = (ChessMove) Myylex();
12067 if (cm == EndOfFile ||
12068 cm == GNUChessGame || cm == XBoardGame) {
12069 /* Empty game; pretend end-of-file and handle later */
12074 if (cm == MoveNumberOne || cm == PositionDiagram ||
12075 cm == PGNTag || cm == Comment)
12078 } else if (cm == GNUChessGame) {
12079 if (gameInfo.event != NULL) {
12080 free(gameInfo.event);
12082 gameInfo.event = StrSave(yy_text);
12085 startedFromSetupPosition = FALSE;
12086 while (cm == PGNTag) {
12087 if (appData.debugMode)
12088 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12089 err = ParsePGNTag(yy_text, &gameInfo);
12090 if (!err) numPGNTags++;
12092 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12093 if(gameInfo.variant != oldVariant) {
12094 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12095 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12096 InitPosition(TRUE);
12097 oldVariant = gameInfo.variant;
12098 if (appData.debugMode)
12099 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12103 if (gameInfo.fen != NULL) {
12104 Board initial_position;
12105 startedFromSetupPosition = TRUE;
12106 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12108 DisplayError(_("Bad FEN position in file"), 0);
12111 CopyBoard(boards[0], initial_position);
12112 if (blackPlaysFirst) {
12113 currentMove = forwardMostMove = backwardMostMove = 1;
12114 CopyBoard(boards[1], initial_position);
12115 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12116 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12117 timeRemaining[0][1] = whiteTimeRemaining;
12118 timeRemaining[1][1] = blackTimeRemaining;
12119 if (commentList[0] != NULL) {
12120 commentList[1] = commentList[0];
12121 commentList[0] = NULL;
12124 currentMove = forwardMostMove = backwardMostMove = 0;
12126 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12128 initialRulePlies = FENrulePlies;
12129 for( i=0; i< nrCastlingRights; i++ )
12130 initialRights[i] = initial_position[CASTLING][i];
12132 yyboardindex = forwardMostMove;
12133 free(gameInfo.fen);
12134 gameInfo.fen = NULL;
12137 yyboardindex = forwardMostMove;
12138 cm = (ChessMove) Myylex();
12140 /* Handle comments interspersed among the tags */
12141 while (cm == Comment) {
12143 if (appData.debugMode)
12144 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12146 AppendComment(currentMove, p, FALSE);
12147 yyboardindex = forwardMostMove;
12148 cm = (ChessMove) Myylex();
12152 /* don't rely on existence of Event tag since if game was
12153 * pasted from clipboard the Event tag may not exist
12155 if (numPGNTags > 0){
12157 if (gameInfo.variant == VariantNormal) {
12158 VariantClass v = StringToVariant(gameInfo.event);
12159 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12160 if(v < VariantShogi) gameInfo.variant = v;
12163 if( appData.autoDisplayTags ) {
12164 tags = PGNTags(&gameInfo);
12165 TagsPopUp(tags, CmailMsg());
12170 /* Make something up, but don't display it now */
12175 if (cm == PositionDiagram) {
12178 Board initial_position;
12180 if (appData.debugMode)
12181 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12183 if (!startedFromSetupPosition) {
12185 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12186 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12197 initial_position[i][j++] = CharToPiece(*p);
12200 while (*p == ' ' || *p == '\t' ||
12201 *p == '\n' || *p == '\r') p++;
12203 if (strncmp(p, "black", strlen("black"))==0)
12204 blackPlaysFirst = TRUE;
12206 blackPlaysFirst = FALSE;
12207 startedFromSetupPosition = TRUE;
12209 CopyBoard(boards[0], initial_position);
12210 if (blackPlaysFirst) {
12211 currentMove = forwardMostMove = backwardMostMove = 1;
12212 CopyBoard(boards[1], initial_position);
12213 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12214 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12215 timeRemaining[0][1] = whiteTimeRemaining;
12216 timeRemaining[1][1] = blackTimeRemaining;
12217 if (commentList[0] != NULL) {
12218 commentList[1] = commentList[0];
12219 commentList[0] = NULL;
12222 currentMove = forwardMostMove = backwardMostMove = 0;
12225 yyboardindex = forwardMostMove;
12226 cm = (ChessMove) Myylex();
12229 if (first.pr == NoProc) {
12230 StartChessProgram(&first);
12232 InitChessProgram(&first, FALSE);
12233 SendToProgram("force\n", &first);
12234 if (startedFromSetupPosition) {
12235 SendBoard(&first, forwardMostMove);
12236 if (appData.debugMode) {
12237 fprintf(debugFP, "Load Game\n");
12239 DisplayBothClocks();
12242 /* [HGM] server: flag to write setup moves in broadcast file as one */
12243 loadFlag = appData.suppressLoadMoves;
12245 while (cm == Comment) {
12247 if (appData.debugMode)
12248 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12250 AppendComment(currentMove, p, FALSE);
12251 yyboardindex = forwardMostMove;
12252 cm = (ChessMove) Myylex();
12255 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12256 cm == WhiteWins || cm == BlackWins ||
12257 cm == GameIsDrawn || cm == GameUnfinished) {
12258 DisplayMessage("", _("No moves in game"));
12259 if (cmailMsgLoaded) {
12260 if (appData.debugMode)
12261 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12265 DrawPosition(FALSE, boards[currentMove]);
12266 DisplayBothClocks();
12267 gameMode = EditGame;
12274 // [HGM] PV info: routine tests if comment empty
12275 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12276 DisplayComment(currentMove - 1, commentList[currentMove]);
12278 if (!matchMode && appData.timeDelay != 0)
12279 DrawPosition(FALSE, boards[currentMove]);
12281 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12282 programStats.ok_to_send = 1;
12285 /* if the first token after the PGN tags is a move
12286 * and not move number 1, retrieve it from the parser
12288 if (cm != MoveNumberOne)
12289 LoadGameOneMove(cm);
12291 /* load the remaining moves from the file */
12292 while (LoadGameOneMove(EndOfFile)) {
12293 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12294 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12297 /* rewind to the start of the game */
12298 currentMove = backwardMostMove;
12300 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12302 if (oldGameMode == AnalyzeFile ||
12303 oldGameMode == AnalyzeMode) {
12304 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12306 AnalyzeFileEvent();
12310 if (!matchMode && pos > 0) {
12311 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12313 if (matchMode || appData.timeDelay == 0) {
12315 } else if (appData.timeDelay > 0) {
12316 AutoPlayGameLoop();
12319 if (appData.debugMode)
12320 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12322 loadFlag = 0; /* [HGM] true game starts */
12326 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12328 ReloadPosition (int offset)
12330 int positionNumber = lastLoadPositionNumber + offset;
12331 if (lastLoadPositionFP == NULL) {
12332 DisplayError(_("No position has been loaded yet"), 0);
12335 if (positionNumber <= 0) {
12336 DisplayError(_("Can't back up any further"), 0);
12339 return LoadPosition(lastLoadPositionFP, positionNumber,
12340 lastLoadPositionTitle);
12343 /* Load the nth position from the given file */
12345 LoadPositionFromFile (char *filename, int n, char *title)
12350 if (strcmp(filename, "-") == 0) {
12351 return LoadPosition(stdin, n, "stdin");
12353 f = fopen(filename, "rb");
12355 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12356 DisplayError(buf, errno);
12359 return LoadPosition(f, n, title);
12364 /* Load the nth position from the given open file, and close it */
12366 LoadPosition (FILE *f, int positionNumber, char *title)
12368 char *p, line[MSG_SIZ];
12369 Board initial_position;
12370 int i, j, fenMode, pn;
12372 if (gameMode == Training )
12373 SetTrainingModeOff();
12375 if (gameMode != BeginningOfGame) {
12376 Reset(FALSE, TRUE);
12378 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12379 fclose(lastLoadPositionFP);
12381 if (positionNumber == 0) positionNumber = 1;
12382 lastLoadPositionFP = f;
12383 lastLoadPositionNumber = positionNumber;
12384 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12385 if (first.pr == NoProc && !appData.noChessProgram) {
12386 StartChessProgram(&first);
12387 InitChessProgram(&first, FALSE);
12389 pn = positionNumber;
12390 if (positionNumber < 0) {
12391 /* Negative position number means to seek to that byte offset */
12392 if (fseek(f, -positionNumber, 0) == -1) {
12393 DisplayError(_("Can't seek on position file"), 0);
12398 if (fseek(f, 0, 0) == -1) {
12399 if (f == lastLoadPositionFP ?
12400 positionNumber == lastLoadPositionNumber + 1 :
12401 positionNumber == 1) {
12404 DisplayError(_("Can't seek on position file"), 0);
12409 /* See if this file is FEN or old-style xboard */
12410 if (fgets(line, MSG_SIZ, f) == NULL) {
12411 DisplayError(_("Position not found in file"), 0);
12414 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12415 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12418 if (fenMode || line[0] == '#') pn--;
12420 /* skip positions before number pn */
12421 if (fgets(line, MSG_SIZ, f) == NULL) {
12423 DisplayError(_("Position not found in file"), 0);
12426 if (fenMode || line[0] == '#') pn--;
12431 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12432 DisplayError(_("Bad FEN position in file"), 0);
12436 (void) fgets(line, MSG_SIZ, f);
12437 (void) fgets(line, MSG_SIZ, f);
12439 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12440 (void) fgets(line, MSG_SIZ, f);
12441 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12444 initial_position[i][j++] = CharToPiece(*p);
12448 blackPlaysFirst = FALSE;
12450 (void) fgets(line, MSG_SIZ, f);
12451 if (strncmp(line, "black", strlen("black"))==0)
12452 blackPlaysFirst = TRUE;
12455 startedFromSetupPosition = TRUE;
12457 CopyBoard(boards[0], initial_position);
12458 if (blackPlaysFirst) {
12459 currentMove = forwardMostMove = backwardMostMove = 1;
12460 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12461 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12462 CopyBoard(boards[1], initial_position);
12463 DisplayMessage("", _("Black to play"));
12465 currentMove = forwardMostMove = backwardMostMove = 0;
12466 DisplayMessage("", _("White to play"));
12468 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12469 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12470 SendToProgram("force\n", &first);
12471 SendBoard(&first, forwardMostMove);
12473 if (appData.debugMode) {
12475 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12476 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12477 fprintf(debugFP, "Load Position\n");
12480 if (positionNumber > 1) {
12481 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12482 DisplayTitle(line);
12484 DisplayTitle(title);
12486 gameMode = EditGame;
12489 timeRemaining[0][1] = whiteTimeRemaining;
12490 timeRemaining[1][1] = blackTimeRemaining;
12491 DrawPosition(FALSE, boards[currentMove]);
12498 CopyPlayerNameIntoFileName (char **dest, char *src)
12500 while (*src != NULLCHAR && *src != ',') {
12505 *(*dest)++ = *src++;
12511 DefaultFileName (char *ext)
12513 static char def[MSG_SIZ];
12516 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12518 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12520 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12522 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12529 /* Save the current game to the given file */
12531 SaveGameToFile (char *filename, int append)
12535 int result, i, t,tot=0;
12537 if (strcmp(filename, "-") == 0) {
12538 return SaveGame(stdout, 0, NULL);
12540 for(i=0; i<10; i++) { // upto 10 tries
12541 f = fopen(filename, append ? "a" : "w");
12542 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12543 if(f || errno != 13) break;
12544 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12548 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12549 DisplayError(buf, errno);
12552 safeStrCpy(buf, lastMsg, MSG_SIZ);
12553 DisplayMessage(_("Waiting for access to save file"), "");
12554 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12555 DisplayMessage(_("Saving game"), "");
12556 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12557 result = SaveGame(f, 0, NULL);
12558 DisplayMessage(buf, "");
12565 SavePart (char *str)
12567 static char buf[MSG_SIZ];
12570 p = strchr(str, ' ');
12571 if (p == NULL) return str;
12572 strncpy(buf, str, p - str);
12573 buf[p - str] = NULLCHAR;
12577 #define PGN_MAX_LINE 75
12579 #define PGN_SIDE_WHITE 0
12580 #define PGN_SIDE_BLACK 1
12583 FindFirstMoveOutOfBook (int side)
12587 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12588 int index = backwardMostMove;
12589 int has_book_hit = 0;
12591 if( (index % 2) != side ) {
12595 while( index < forwardMostMove ) {
12596 /* Check to see if engine is in book */
12597 int depth = pvInfoList[index].depth;
12598 int score = pvInfoList[index].score;
12604 else if( score == 0 && depth == 63 ) {
12605 in_book = 1; /* Zappa */
12607 else if( score == 2 && depth == 99 ) {
12608 in_book = 1; /* Abrok */
12611 has_book_hit += in_book;
12627 GetOutOfBookInfo (char * buf)
12631 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12633 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12634 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12638 if( oob[0] >= 0 || oob[1] >= 0 ) {
12639 for( i=0; i<2; i++ ) {
12643 if( i > 0 && oob[0] >= 0 ) {
12644 strcat( buf, " " );
12647 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12648 sprintf( buf+strlen(buf), "%s%.2f",
12649 pvInfoList[idx].score >= 0 ? "+" : "",
12650 pvInfoList[idx].score / 100.0 );
12656 /* Save game in PGN style and close the file */
12658 SaveGamePGN (FILE *f)
12660 int i, offset, linelen, newblock;
12663 int movelen, numlen, blank;
12664 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12666 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12668 PrintPGNTags(f, &gameInfo);
12670 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12672 if (backwardMostMove > 0 || startedFromSetupPosition) {
12673 char *fen = PositionToFEN(backwardMostMove, NULL);
12674 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12675 fprintf(f, "\n{--------------\n");
12676 PrintPosition(f, backwardMostMove);
12677 fprintf(f, "--------------}\n");
12681 /* [AS] Out of book annotation */
12682 if( appData.saveOutOfBookInfo ) {
12685 GetOutOfBookInfo( buf );
12687 if( buf[0] != '\0' ) {
12688 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12695 i = backwardMostMove;
12699 while (i < forwardMostMove) {
12700 /* Print comments preceding this move */
12701 if (commentList[i] != NULL) {
12702 if (linelen > 0) fprintf(f, "\n");
12703 fprintf(f, "%s", commentList[i]);
12708 /* Format move number */
12710 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12713 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12715 numtext[0] = NULLCHAR;
12717 numlen = strlen(numtext);
12720 /* Print move number */
12721 blank = linelen > 0 && numlen > 0;
12722 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12731 fprintf(f, "%s", numtext);
12735 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12736 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12739 blank = linelen > 0 && movelen > 0;
12740 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12749 fprintf(f, "%s", move_buffer);
12750 linelen += movelen;
12752 /* [AS] Add PV info if present */
12753 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12754 /* [HGM] add time */
12755 char buf[MSG_SIZ]; int seconds;
12757 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12763 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12766 seconds = (seconds + 4)/10; // round to full seconds
12768 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12770 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12773 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12774 pvInfoList[i].score >= 0 ? "+" : "",
12775 pvInfoList[i].score / 100.0,
12776 pvInfoList[i].depth,
12779 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12781 /* Print score/depth */
12782 blank = linelen > 0 && movelen > 0;
12783 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12792 fprintf(f, "%s", move_buffer);
12793 linelen += movelen;
12799 /* Start a new line */
12800 if (linelen > 0) fprintf(f, "\n");
12802 /* Print comments after last move */
12803 if (commentList[i] != NULL) {
12804 fprintf(f, "%s\n", commentList[i]);
12808 if (gameInfo.resultDetails != NULL &&
12809 gameInfo.resultDetails[0] != NULLCHAR) {
12810 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12811 PGNResult(gameInfo.result));
12813 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12817 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12821 /* Save game in old style and close the file */
12823 SaveGameOldStyle (FILE *f)
12828 tm = time((time_t *) NULL);
12830 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12833 if (backwardMostMove > 0 || startedFromSetupPosition) {
12834 fprintf(f, "\n[--------------\n");
12835 PrintPosition(f, backwardMostMove);
12836 fprintf(f, "--------------]\n");
12841 i = backwardMostMove;
12842 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12844 while (i < forwardMostMove) {
12845 if (commentList[i] != NULL) {
12846 fprintf(f, "[%s]\n", commentList[i]);
12849 if ((i % 2) == 1) {
12850 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12853 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12855 if (commentList[i] != NULL) {
12859 if (i >= forwardMostMove) {
12863 fprintf(f, "%s\n", parseList[i]);
12868 if (commentList[i] != NULL) {
12869 fprintf(f, "[%s]\n", commentList[i]);
12872 /* This isn't really the old style, but it's close enough */
12873 if (gameInfo.resultDetails != NULL &&
12874 gameInfo.resultDetails[0] != NULLCHAR) {
12875 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12876 gameInfo.resultDetails);
12878 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12885 /* Save the current game to open file f and close the file */
12887 SaveGame (FILE *f, int dummy, char *dummy2)
12889 if (gameMode == EditPosition) EditPositionDone(TRUE);
12890 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12891 if (appData.oldSaveStyle)
12892 return SaveGameOldStyle(f);
12894 return SaveGamePGN(f);
12897 /* Save the current position to the given file */
12899 SavePositionToFile (char *filename)
12904 if (strcmp(filename, "-") == 0) {
12905 return SavePosition(stdout, 0, NULL);
12907 f = fopen(filename, "a");
12909 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12910 DisplayError(buf, errno);
12913 safeStrCpy(buf, lastMsg, MSG_SIZ);
12914 DisplayMessage(_("Waiting for access to save file"), "");
12915 flock(fileno(f), LOCK_EX); // [HGM] lock
12916 DisplayMessage(_("Saving position"), "");
12917 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12918 SavePosition(f, 0, NULL);
12919 DisplayMessage(buf, "");
12925 /* Save the current position to the given open file and close the file */
12927 SavePosition (FILE *f, int dummy, char *dummy2)
12932 if (gameMode == EditPosition) EditPositionDone(TRUE);
12933 if (appData.oldSaveStyle) {
12934 tm = time((time_t *) NULL);
12936 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12938 fprintf(f, "[--------------\n");
12939 PrintPosition(f, currentMove);
12940 fprintf(f, "--------------]\n");
12942 fen = PositionToFEN(currentMove, NULL);
12943 fprintf(f, "%s\n", fen);
12951 ReloadCmailMsgEvent (int unregister)
12954 static char *inFilename = NULL;
12955 static char *outFilename;
12957 struct stat inbuf, outbuf;
12960 /* Any registered moves are unregistered if unregister is set, */
12961 /* i.e. invoked by the signal handler */
12963 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12964 cmailMoveRegistered[i] = FALSE;
12965 if (cmailCommentList[i] != NULL) {
12966 free(cmailCommentList[i]);
12967 cmailCommentList[i] = NULL;
12970 nCmailMovesRegistered = 0;
12973 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12974 cmailResult[i] = CMAIL_NOT_RESULT;
12978 if (inFilename == NULL) {
12979 /* Because the filenames are static they only get malloced once */
12980 /* and they never get freed */
12981 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12982 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12984 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12985 sprintf(outFilename, "%s.out", appData.cmailGameName);
12988 status = stat(outFilename, &outbuf);
12990 cmailMailedMove = FALSE;
12992 status = stat(inFilename, &inbuf);
12993 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12996 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12997 counts the games, notes how each one terminated, etc.
12999 It would be nice to remove this kludge and instead gather all
13000 the information while building the game list. (And to keep it
13001 in the game list nodes instead of having a bunch of fixed-size
13002 parallel arrays.) Note this will require getting each game's
13003 termination from the PGN tags, as the game list builder does
13004 not process the game moves. --mann
13006 cmailMsgLoaded = TRUE;
13007 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13009 /* Load first game in the file or popup game menu */
13010 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13012 #endif /* !WIN32 */
13020 char string[MSG_SIZ];
13022 if ( cmailMailedMove
13023 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13024 return TRUE; /* Allow free viewing */
13027 /* Unregister move to ensure that we don't leave RegisterMove */
13028 /* with the move registered when the conditions for registering no */
13030 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13031 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13032 nCmailMovesRegistered --;
13034 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13036 free(cmailCommentList[lastLoadGameNumber - 1]);
13037 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13041 if (cmailOldMove == -1) {
13042 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13046 if (currentMove > cmailOldMove + 1) {
13047 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13051 if (currentMove < cmailOldMove) {
13052 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13056 if (forwardMostMove > currentMove) {
13057 /* Silently truncate extra moves */
13061 if ( (currentMove == cmailOldMove + 1)
13062 || ( (currentMove == cmailOldMove)
13063 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13064 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13065 if (gameInfo.result != GameUnfinished) {
13066 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13069 if (commentList[currentMove] != NULL) {
13070 cmailCommentList[lastLoadGameNumber - 1]
13071 = StrSave(commentList[currentMove]);
13073 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13075 if (appData.debugMode)
13076 fprintf(debugFP, "Saving %s for game %d\n",
13077 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13079 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13081 f = fopen(string, "w");
13082 if (appData.oldSaveStyle) {
13083 SaveGameOldStyle(f); /* also closes the file */
13085 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13086 f = fopen(string, "w");
13087 SavePosition(f, 0, NULL); /* also closes the file */
13089 fprintf(f, "{--------------\n");
13090 PrintPosition(f, currentMove);
13091 fprintf(f, "--------------}\n\n");
13093 SaveGame(f, 0, NULL); /* also closes the file*/
13096 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13097 nCmailMovesRegistered ++;
13098 } else if (nCmailGames == 1) {
13099 DisplayError(_("You have not made a move yet"), 0);
13110 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13111 FILE *commandOutput;
13112 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13113 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13119 if (! cmailMsgLoaded) {
13120 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13124 if (nCmailGames == nCmailResults) {
13125 DisplayError(_("No unfinished games"), 0);
13129 #if CMAIL_PROHIBIT_REMAIL
13130 if (cmailMailedMove) {
13131 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);
13132 DisplayError(msg, 0);
13137 if (! (cmailMailedMove || RegisterMove())) return;
13139 if ( cmailMailedMove
13140 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13141 snprintf(string, MSG_SIZ, partCommandString,
13142 appData.debugMode ? " -v" : "", appData.cmailGameName);
13143 commandOutput = popen(string, "r");
13145 if (commandOutput == NULL) {
13146 DisplayError(_("Failed to invoke cmail"), 0);
13148 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13149 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13151 if (nBuffers > 1) {
13152 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13153 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13154 nBytes = MSG_SIZ - 1;
13156 (void) memcpy(msg, buffer, nBytes);
13158 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13160 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13161 cmailMailedMove = TRUE; /* Prevent >1 moves */
13164 for (i = 0; i < nCmailGames; i ++) {
13165 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13170 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13172 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13174 appData.cmailGameName,
13176 LoadGameFromFile(buffer, 1, buffer, FALSE);
13177 cmailMsgLoaded = FALSE;
13181 DisplayInformation(msg);
13182 pclose(commandOutput);
13185 if ((*cmailMsg) != '\0') {
13186 DisplayInformation(cmailMsg);
13191 #endif /* !WIN32 */
13200 int prependComma = 0;
13202 char string[MSG_SIZ]; /* Space for game-list */
13205 if (!cmailMsgLoaded) return "";
13207 if (cmailMailedMove) {
13208 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13210 /* Create a list of games left */
13211 snprintf(string, MSG_SIZ, "[");
13212 for (i = 0; i < nCmailGames; i ++) {
13213 if (! ( cmailMoveRegistered[i]
13214 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13215 if (prependComma) {
13216 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13218 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13222 strcat(string, number);
13225 strcat(string, "]");
13227 if (nCmailMovesRegistered + nCmailResults == 0) {
13228 switch (nCmailGames) {
13230 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13234 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13238 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13243 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13245 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13250 if (nCmailResults == nCmailGames) {
13251 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13253 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13258 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13270 if (gameMode == Training)
13271 SetTrainingModeOff();
13274 cmailMsgLoaded = FALSE;
13275 if (appData.icsActive) {
13276 SendToICS(ics_prefix);
13277 SendToICS("refresh\n");
13282 ExitEvent (int status)
13286 /* Give up on clean exit */
13290 /* Keep trying for clean exit */
13294 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13296 if (telnetISR != NULL) {
13297 RemoveInputSource(telnetISR);
13299 if (icsPR != NoProc) {
13300 DestroyChildProcess(icsPR, TRUE);
13303 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13304 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13306 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13307 /* make sure this other one finishes before killing it! */
13308 if(endingGame) { int count = 0;
13309 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13310 while(endingGame && count++ < 10) DoSleep(1);
13311 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13314 /* Kill off chess programs */
13315 if (first.pr != NoProc) {
13318 DoSleep( appData.delayBeforeQuit );
13319 SendToProgram("quit\n", &first);
13320 DoSleep( appData.delayAfterQuit );
13321 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13323 if (second.pr != NoProc) {
13324 DoSleep( appData.delayBeforeQuit );
13325 SendToProgram("quit\n", &second);
13326 DoSleep( appData.delayAfterQuit );
13327 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13329 if (first.isr != NULL) {
13330 RemoveInputSource(first.isr);
13332 if (second.isr != NULL) {
13333 RemoveInputSource(second.isr);
13336 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13337 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13339 ShutDownFrontEnd();
13346 if (appData.debugMode)
13347 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13351 if (gameMode == MachinePlaysWhite ||
13352 gameMode == MachinePlaysBlack) {
13355 DisplayBothClocks();
13357 if (gameMode == PlayFromGameFile) {
13358 if (appData.timeDelay >= 0)
13359 AutoPlayGameLoop();
13360 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13361 Reset(FALSE, TRUE);
13362 SendToICS(ics_prefix);
13363 SendToICS("refresh\n");
13364 } else if (currentMove < forwardMostMove) {
13365 ForwardInner(forwardMostMove);
13367 pauseExamInvalid = FALSE;
13369 switch (gameMode) {
13373 pauseExamForwardMostMove = forwardMostMove;
13374 pauseExamInvalid = FALSE;
13377 case IcsPlayingWhite:
13378 case IcsPlayingBlack:
13382 case PlayFromGameFile:
13383 (void) StopLoadGameTimer();
13387 case BeginningOfGame:
13388 if (appData.icsActive) return;
13389 /* else fall through */
13390 case MachinePlaysWhite:
13391 case MachinePlaysBlack:
13392 case TwoMachinesPlay:
13393 if (forwardMostMove == 0)
13394 return; /* don't pause if no one has moved */
13395 if ((gameMode == MachinePlaysWhite &&
13396 !WhiteOnMove(forwardMostMove)) ||
13397 (gameMode == MachinePlaysBlack &&
13398 WhiteOnMove(forwardMostMove))) {
13410 EditCommentEvent ()
13412 char title[MSG_SIZ];
13414 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13415 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13417 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13418 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13419 parseList[currentMove - 1]);
13422 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13429 char *tags = PGNTags(&gameInfo);
13431 EditTagsPopUp(tags, NULL);
13438 if(second.analyzing) {
13439 SendToProgram("exit\n", &second);
13440 second.analyzing = FALSE;
13442 if (second.pr == NoProc) StartChessProgram(&second);
13443 InitChessProgram(&second, FALSE);
13444 FeedMovesToProgram(&second, currentMove);
13446 SendToProgram("analyze\n", &second);
13447 second.analyzing = TRUE;
13452 AnalyzeModeEvent ()
13454 if (gameMode == AnalyzeMode) { ToggleSecond(); return; }
13455 if (appData.noChessProgram || gameMode == AnalyzeMode)
13458 if (gameMode != AnalyzeFile) {
13459 if (!appData.icsEngineAnalyze) {
13461 if (gameMode != EditGame) return;
13463 ResurrectChessProgram();
13464 SendToProgram("analyze\n", &first);
13465 first.analyzing = TRUE;
13466 /*first.maybeThinking = TRUE;*/
13467 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13468 EngineOutputPopUp();
13470 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13475 StartAnalysisClock();
13476 GetTimeMark(&lastNodeCountTime);
13481 AnalyzeFileEvent ()
13483 if (appData.noChessProgram || gameMode == AnalyzeFile)
13486 if (gameMode != AnalyzeMode) {
13488 if (gameMode != EditGame) return;
13489 ResurrectChessProgram();
13490 SendToProgram("analyze\n", &first);
13491 first.analyzing = TRUE;
13492 /*first.maybeThinking = TRUE;*/
13493 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13494 EngineOutputPopUp();
13496 gameMode = AnalyzeFile;
13501 StartAnalysisClock();
13502 GetTimeMark(&lastNodeCountTime);
13504 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13508 MachineWhiteEvent ()
13511 char *bookHit = NULL;
13513 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13517 if (gameMode == PlayFromGameFile ||
13518 gameMode == TwoMachinesPlay ||
13519 gameMode == Training ||
13520 gameMode == AnalyzeMode ||
13521 gameMode == EndOfGame)
13524 if (gameMode == EditPosition)
13525 EditPositionDone(TRUE);
13527 if (!WhiteOnMove(currentMove)) {
13528 DisplayError(_("It is not White's turn"), 0);
13532 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13535 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13536 gameMode == AnalyzeFile)
13539 ResurrectChessProgram(); /* in case it isn't running */
13540 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13541 gameMode = MachinePlaysWhite;
13544 gameMode = MachinePlaysWhite;
13548 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13550 if (first.sendName) {
13551 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13552 SendToProgram(buf, &first);
13554 if (first.sendTime) {
13555 if (first.useColors) {
13556 SendToProgram("black\n", &first); /*gnu kludge*/
13558 SendTimeRemaining(&first, TRUE);
13560 if (first.useColors) {
13561 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13563 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13564 SetMachineThinkingEnables();
13565 first.maybeThinking = TRUE;
13569 if (appData.autoFlipView && !flipView) {
13570 flipView = !flipView;
13571 DrawPosition(FALSE, NULL);
13572 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13575 if(bookHit) { // [HGM] book: simulate book reply
13576 static char bookMove[MSG_SIZ]; // a bit generous?
13578 programStats.nodes = programStats.depth = programStats.time =
13579 programStats.score = programStats.got_only_move = 0;
13580 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13582 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13583 strcat(bookMove, bookHit);
13584 HandleMachineMove(bookMove, &first);
13589 MachineBlackEvent ()
13592 char *bookHit = NULL;
13594 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13598 if (gameMode == PlayFromGameFile ||
13599 gameMode == TwoMachinesPlay ||
13600 gameMode == Training ||
13601 gameMode == AnalyzeMode ||
13602 gameMode == EndOfGame)
13605 if (gameMode == EditPosition)
13606 EditPositionDone(TRUE);
13608 if (WhiteOnMove(currentMove)) {
13609 DisplayError(_("It is not Black's turn"), 0);
13613 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13616 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13617 gameMode == AnalyzeFile)
13620 ResurrectChessProgram(); /* in case it isn't running */
13621 gameMode = MachinePlaysBlack;
13625 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13627 if (first.sendName) {
13628 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13629 SendToProgram(buf, &first);
13631 if (first.sendTime) {
13632 if (first.useColors) {
13633 SendToProgram("white\n", &first); /*gnu kludge*/
13635 SendTimeRemaining(&first, FALSE);
13637 if (first.useColors) {
13638 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13640 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13641 SetMachineThinkingEnables();
13642 first.maybeThinking = TRUE;
13645 if (appData.autoFlipView && flipView) {
13646 flipView = !flipView;
13647 DrawPosition(FALSE, NULL);
13648 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13650 if(bookHit) { // [HGM] book: simulate book reply
13651 static char bookMove[MSG_SIZ]; // a bit generous?
13653 programStats.nodes = programStats.depth = programStats.time =
13654 programStats.score = programStats.got_only_move = 0;
13655 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13657 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13658 strcat(bookMove, bookHit);
13659 HandleMachineMove(bookMove, &first);
13665 DisplayTwoMachinesTitle ()
13668 if (appData.matchGames > 0) {
13669 if(appData.tourneyFile[0]) {
13670 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13671 gameInfo.white, _("vs."), gameInfo.black,
13672 nextGame+1, appData.matchGames+1,
13673 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13675 if (first.twoMachinesColor[0] == 'w') {
13676 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13677 gameInfo.white, _("vs."), gameInfo.black,
13678 first.matchWins, second.matchWins,
13679 matchGame - 1 - (first.matchWins + second.matchWins));
13681 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13682 gameInfo.white, _("vs."), gameInfo.black,
13683 second.matchWins, first.matchWins,
13684 matchGame - 1 - (first.matchWins + second.matchWins));
13687 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13693 SettingsMenuIfReady ()
13695 if (second.lastPing != second.lastPong) {
13696 DisplayMessage("", _("Waiting for second chess program"));
13697 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13701 DisplayMessage("", "");
13702 SettingsPopUp(&second);
13706 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13709 if (cps->pr == NoProc) {
13710 StartChessProgram(cps);
13711 if (cps->protocolVersion == 1) {
13714 /* kludge: allow timeout for initial "feature" command */
13716 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13717 DisplayMessage("", buf);
13718 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13726 TwoMachinesEvent P((void))
13730 ChessProgramState *onmove;
13731 char *bookHit = NULL;
13732 static int stalling = 0;
13736 if (appData.noChessProgram) return;
13738 switch (gameMode) {
13739 case TwoMachinesPlay:
13741 case MachinePlaysWhite:
13742 case MachinePlaysBlack:
13743 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13744 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13748 case BeginningOfGame:
13749 case PlayFromGameFile:
13752 if (gameMode != EditGame) return;
13755 EditPositionDone(TRUE);
13766 // forwardMostMove = currentMove;
13767 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13769 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13771 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13772 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13773 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13777 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13778 DisplayError("second engine does not play this", 0);
13783 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13784 SendToProgram("force\n", &second);
13786 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13789 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13790 if(appData.matchPause>10000 || appData.matchPause<10)
13791 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13792 wait = SubtractTimeMarks(&now, &pauseStart);
13793 if(wait < appData.matchPause) {
13794 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13797 // we are now committed to starting the game
13799 DisplayMessage("", "");
13800 if (startedFromSetupPosition) {
13801 SendBoard(&second, backwardMostMove);
13802 if (appData.debugMode) {
13803 fprintf(debugFP, "Two Machines\n");
13806 for (i = backwardMostMove; i < forwardMostMove; i++) {
13807 SendMoveToProgram(i, &second);
13810 gameMode = TwoMachinesPlay;
13812 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13814 DisplayTwoMachinesTitle();
13816 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13821 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13822 SendToProgram(first.computerString, &first);
13823 if (first.sendName) {
13824 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13825 SendToProgram(buf, &first);
13827 SendToProgram(second.computerString, &second);
13828 if (second.sendName) {
13829 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13830 SendToProgram(buf, &second);
13834 if (!first.sendTime || !second.sendTime) {
13835 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13836 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13838 if (onmove->sendTime) {
13839 if (onmove->useColors) {
13840 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13842 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13844 if (onmove->useColors) {
13845 SendToProgram(onmove->twoMachinesColor, onmove);
13847 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13848 // SendToProgram("go\n", onmove);
13849 onmove->maybeThinking = TRUE;
13850 SetMachineThinkingEnables();
13854 if(bookHit) { // [HGM] book: simulate book reply
13855 static char bookMove[MSG_SIZ]; // a bit generous?
13857 programStats.nodes = programStats.depth = programStats.time =
13858 programStats.score = programStats.got_only_move = 0;
13859 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13861 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13862 strcat(bookMove, bookHit);
13863 savedMessage = bookMove; // args for deferred call
13864 savedState = onmove;
13865 ScheduleDelayedEvent(DeferredBookMove, 1);
13872 if (gameMode == Training) {
13873 SetTrainingModeOff();
13874 gameMode = PlayFromGameFile;
13875 DisplayMessage("", _("Training mode off"));
13877 gameMode = Training;
13878 animateTraining = appData.animate;
13880 /* make sure we are not already at the end of the game */
13881 if (currentMove < forwardMostMove) {
13882 SetTrainingModeOn();
13883 DisplayMessage("", _("Training mode on"));
13885 gameMode = PlayFromGameFile;
13886 DisplayError(_("Already at end of game"), 0);
13895 if (!appData.icsActive) return;
13896 switch (gameMode) {
13897 case IcsPlayingWhite:
13898 case IcsPlayingBlack:
13901 case BeginningOfGame:
13909 EditPositionDone(TRUE);
13922 gameMode = IcsIdle;
13932 switch (gameMode) {
13934 SetTrainingModeOff();
13936 case MachinePlaysWhite:
13937 case MachinePlaysBlack:
13938 case BeginningOfGame:
13939 SendToProgram("force\n", &first);
13940 SetUserThinkingEnables();
13942 case PlayFromGameFile:
13943 (void) StopLoadGameTimer();
13944 if (gameFileFP != NULL) {
13949 EditPositionDone(TRUE);
13954 SendToProgram("force\n", &first);
13956 case TwoMachinesPlay:
13957 GameEnds(EndOfFile, NULL, GE_PLAYER);
13958 ResurrectChessProgram();
13959 SetUserThinkingEnables();
13962 ResurrectChessProgram();
13964 case IcsPlayingBlack:
13965 case IcsPlayingWhite:
13966 DisplayError(_("Warning: You are still playing a game"), 0);
13969 DisplayError(_("Warning: You are still observing a game"), 0);
13972 DisplayError(_("Warning: You are still examining a game"), 0);
13983 first.offeredDraw = second.offeredDraw = 0;
13985 if (gameMode == PlayFromGameFile) {
13986 whiteTimeRemaining = timeRemaining[0][currentMove];
13987 blackTimeRemaining = timeRemaining[1][currentMove];
13991 if (gameMode == MachinePlaysWhite ||
13992 gameMode == MachinePlaysBlack ||
13993 gameMode == TwoMachinesPlay ||
13994 gameMode == EndOfGame) {
13995 i = forwardMostMove;
13996 while (i > currentMove) {
13997 SendToProgram("undo\n", &first);
14000 if(!adjustedClock) {
14001 whiteTimeRemaining = timeRemaining[0][currentMove];
14002 blackTimeRemaining = timeRemaining[1][currentMove];
14003 DisplayBothClocks();
14005 if (whiteFlag || blackFlag) {
14006 whiteFlag = blackFlag = 0;
14011 gameMode = EditGame;
14018 EditPositionEvent ()
14020 if (gameMode == EditPosition) {
14026 if (gameMode != EditGame) return;
14028 gameMode = EditPosition;
14031 if (currentMove > 0)
14032 CopyBoard(boards[0], boards[currentMove]);
14034 blackPlaysFirst = !WhiteOnMove(currentMove);
14036 currentMove = forwardMostMove = backwardMostMove = 0;
14037 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14039 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14045 /* [DM] icsEngineAnalyze - possible call from other functions */
14046 if (appData.icsEngineAnalyze) {
14047 appData.icsEngineAnalyze = FALSE;
14049 DisplayMessage("",_("Close ICS engine analyze..."));
14051 if (first.analysisSupport && first.analyzing) {
14052 SendToBoth("exit\n");
14053 first.analyzing = second.analyzing = FALSE;
14055 thinkOutput[0] = NULLCHAR;
14059 EditPositionDone (Boolean fakeRights)
14061 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14063 startedFromSetupPosition = TRUE;
14064 InitChessProgram(&first, FALSE);
14065 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14066 boards[0][EP_STATUS] = EP_NONE;
14067 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14068 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14069 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14070 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14071 } else boards[0][CASTLING][2] = NoRights;
14072 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14073 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14074 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14075 } else boards[0][CASTLING][5] = NoRights;
14076 if(gameInfo.variant == VariantSChess) {
14078 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14079 boards[0][VIRGIN][i] = 0;
14080 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14081 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14085 SendToProgram("force\n", &first);
14086 if (blackPlaysFirst) {
14087 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14088 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14089 currentMove = forwardMostMove = backwardMostMove = 1;
14090 CopyBoard(boards[1], boards[0]);
14092 currentMove = forwardMostMove = backwardMostMove = 0;
14094 SendBoard(&first, forwardMostMove);
14095 if (appData.debugMode) {
14096 fprintf(debugFP, "EditPosDone\n");
14099 DisplayMessage("", "");
14100 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14101 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14102 gameMode = EditGame;
14104 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14105 ClearHighlights(); /* [AS] */
14108 /* Pause for `ms' milliseconds */
14109 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14111 TimeDelay (long ms)
14118 } while (SubtractTimeMarks(&m2, &m1) < ms);
14121 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14123 SendMultiLineToICS (char *buf)
14125 char temp[MSG_SIZ+1], *p;
14132 strncpy(temp, buf, len);
14137 if (*p == '\n' || *p == '\r')
14142 strcat(temp, "\n");
14144 SendToPlayer(temp, strlen(temp));
14148 SetWhiteToPlayEvent ()
14150 if (gameMode == EditPosition) {
14151 blackPlaysFirst = FALSE;
14152 DisplayBothClocks(); /* works because currentMove is 0 */
14153 } else if (gameMode == IcsExamining) {
14154 SendToICS(ics_prefix);
14155 SendToICS("tomove white\n");
14160 SetBlackToPlayEvent ()
14162 if (gameMode == EditPosition) {
14163 blackPlaysFirst = TRUE;
14164 currentMove = 1; /* kludge */
14165 DisplayBothClocks();
14167 } else if (gameMode == IcsExamining) {
14168 SendToICS(ics_prefix);
14169 SendToICS("tomove black\n");
14174 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14177 ChessSquare piece = boards[0][y][x];
14179 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14181 switch (selection) {
14183 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14184 SendToICS(ics_prefix);
14185 SendToICS("bsetup clear\n");
14186 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14187 SendToICS(ics_prefix);
14188 SendToICS("clearboard\n");
14190 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14191 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14192 for (y = 0; y < BOARD_HEIGHT; y++) {
14193 if (gameMode == IcsExamining) {
14194 if (boards[currentMove][y][x] != EmptySquare) {
14195 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14200 boards[0][y][x] = p;
14205 if (gameMode == EditPosition) {
14206 DrawPosition(FALSE, boards[0]);
14211 SetWhiteToPlayEvent();
14215 SetBlackToPlayEvent();
14219 if (gameMode == IcsExamining) {
14220 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14221 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14224 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14225 if(x == BOARD_LEFT-2) {
14226 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14227 boards[0][y][1] = 0;
14229 if(x == BOARD_RGHT+1) {
14230 if(y >= gameInfo.holdingsSize) break;
14231 boards[0][y][BOARD_WIDTH-2] = 0;
14234 boards[0][y][x] = EmptySquare;
14235 DrawPosition(FALSE, boards[0]);
14240 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14241 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14242 selection = (ChessSquare) (PROMOTED piece);
14243 } else if(piece == EmptySquare) selection = WhiteSilver;
14244 else selection = (ChessSquare)((int)piece - 1);
14248 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14249 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14250 selection = (ChessSquare) (DEMOTED piece);
14251 } else if(piece == EmptySquare) selection = BlackSilver;
14252 else selection = (ChessSquare)((int)piece + 1);
14257 if(gameInfo.variant == VariantShatranj ||
14258 gameInfo.variant == VariantXiangqi ||
14259 gameInfo.variant == VariantCourier ||
14260 gameInfo.variant == VariantMakruk )
14261 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14266 if(gameInfo.variant == VariantXiangqi)
14267 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14268 if(gameInfo.variant == VariantKnightmate)
14269 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14272 if (gameMode == IcsExamining) {
14273 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14274 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14275 PieceToChar(selection), AAA + x, ONE + y);
14278 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14280 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14281 n = PieceToNumber(selection - BlackPawn);
14282 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14283 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14284 boards[0][BOARD_HEIGHT-1-n][1]++;
14286 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14287 n = PieceToNumber(selection);
14288 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14289 boards[0][n][BOARD_WIDTH-1] = selection;
14290 boards[0][n][BOARD_WIDTH-2]++;
14293 boards[0][y][x] = selection;
14294 DrawPosition(TRUE, boards[0]);
14296 fromX = fromY = -1;
14304 DropMenuEvent (ChessSquare selection, int x, int y)
14306 ChessMove moveType;
14308 switch (gameMode) {
14309 case IcsPlayingWhite:
14310 case MachinePlaysBlack:
14311 if (!WhiteOnMove(currentMove)) {
14312 DisplayMoveError(_("It is Black's turn"));
14315 moveType = WhiteDrop;
14317 case IcsPlayingBlack:
14318 case MachinePlaysWhite:
14319 if (WhiteOnMove(currentMove)) {
14320 DisplayMoveError(_("It is White's turn"));
14323 moveType = BlackDrop;
14326 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14332 if (moveType == BlackDrop && selection < BlackPawn) {
14333 selection = (ChessSquare) ((int) selection
14334 + (int) BlackPawn - (int) WhitePawn);
14336 if (boards[currentMove][y][x] != EmptySquare) {
14337 DisplayMoveError(_("That square is occupied"));
14341 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14347 /* Accept a pending offer of any kind from opponent */
14349 if (appData.icsActive) {
14350 SendToICS(ics_prefix);
14351 SendToICS("accept\n");
14352 } else if (cmailMsgLoaded) {
14353 if (currentMove == cmailOldMove &&
14354 commentList[cmailOldMove] != NULL &&
14355 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14356 "Black offers a draw" : "White offers a draw")) {
14358 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14359 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14361 DisplayError(_("There is no pending offer on this move"), 0);
14362 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14365 /* Not used for offers from chess program */
14372 /* Decline a pending offer of any kind from opponent */
14374 if (appData.icsActive) {
14375 SendToICS(ics_prefix);
14376 SendToICS("decline\n");
14377 } else if (cmailMsgLoaded) {
14378 if (currentMove == cmailOldMove &&
14379 commentList[cmailOldMove] != NULL &&
14380 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14381 "Black offers a draw" : "White offers a draw")) {
14383 AppendComment(cmailOldMove, "Draw declined", TRUE);
14384 DisplayComment(cmailOldMove - 1, "Draw declined");
14387 DisplayError(_("There is no pending offer on this move"), 0);
14390 /* Not used for offers from chess program */
14397 /* Issue ICS rematch command */
14398 if (appData.icsActive) {
14399 SendToICS(ics_prefix);
14400 SendToICS("rematch\n");
14407 /* Call your opponent's flag (claim a win on time) */
14408 if (appData.icsActive) {
14409 SendToICS(ics_prefix);
14410 SendToICS("flag\n");
14412 switch (gameMode) {
14415 case MachinePlaysWhite:
14418 GameEnds(GameIsDrawn, "Both players ran out of time",
14421 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14423 DisplayError(_("Your opponent is not out of time"), 0);
14426 case MachinePlaysBlack:
14429 GameEnds(GameIsDrawn, "Both players ran out of time",
14432 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14434 DisplayError(_("Your opponent is not out of time"), 0);
14442 ClockClick (int which)
14443 { // [HGM] code moved to back-end from winboard.c
14444 if(which) { // black clock
14445 if (gameMode == EditPosition || gameMode == IcsExamining) {
14446 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14447 SetBlackToPlayEvent();
14448 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14449 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14450 } else if (shiftKey) {
14451 AdjustClock(which, -1);
14452 } else if (gameMode == IcsPlayingWhite ||
14453 gameMode == MachinePlaysBlack) {
14456 } else { // white clock
14457 if (gameMode == EditPosition || gameMode == IcsExamining) {
14458 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14459 SetWhiteToPlayEvent();
14460 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14461 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14462 } else if (shiftKey) {
14463 AdjustClock(which, -1);
14464 } else if (gameMode == IcsPlayingBlack ||
14465 gameMode == MachinePlaysWhite) {
14474 /* Offer draw or accept pending draw offer from opponent */
14476 if (appData.icsActive) {
14477 /* Note: tournament rules require draw offers to be
14478 made after you make your move but before you punch
14479 your clock. Currently ICS doesn't let you do that;
14480 instead, you immediately punch your clock after making
14481 a move, but you can offer a draw at any time. */
14483 SendToICS(ics_prefix);
14484 SendToICS("draw\n");
14485 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14486 } else if (cmailMsgLoaded) {
14487 if (currentMove == cmailOldMove &&
14488 commentList[cmailOldMove] != NULL &&
14489 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14490 "Black offers a draw" : "White offers a draw")) {
14491 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14492 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14493 } else if (currentMove == cmailOldMove + 1) {
14494 char *offer = WhiteOnMove(cmailOldMove) ?
14495 "White offers a draw" : "Black offers a draw";
14496 AppendComment(currentMove, offer, TRUE);
14497 DisplayComment(currentMove - 1, offer);
14498 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14500 DisplayError(_("You must make your move before offering a draw"), 0);
14501 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14503 } else if (first.offeredDraw) {
14504 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14506 if (first.sendDrawOffers) {
14507 SendToProgram("draw\n", &first);
14508 userOfferedDraw = TRUE;
14516 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14518 if (appData.icsActive) {
14519 SendToICS(ics_prefix);
14520 SendToICS("adjourn\n");
14522 /* Currently GNU Chess doesn't offer or accept Adjourns */
14530 /* Offer Abort or accept pending Abort offer from opponent */
14532 if (appData.icsActive) {
14533 SendToICS(ics_prefix);
14534 SendToICS("abort\n");
14536 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14543 /* Resign. You can do this even if it's not your turn. */
14545 if (appData.icsActive) {
14546 SendToICS(ics_prefix);
14547 SendToICS("resign\n");
14549 switch (gameMode) {
14550 case MachinePlaysWhite:
14551 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14553 case MachinePlaysBlack:
14554 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14557 if (cmailMsgLoaded) {
14559 if (WhiteOnMove(cmailOldMove)) {
14560 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14562 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14564 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14575 StopObservingEvent ()
14577 /* Stop observing current games */
14578 SendToICS(ics_prefix);
14579 SendToICS("unobserve\n");
14583 StopExaminingEvent ()
14585 /* Stop observing current game */
14586 SendToICS(ics_prefix);
14587 SendToICS("unexamine\n");
14591 ForwardInner (int target)
14593 int limit; int oldSeekGraphUp = seekGraphUp;
14595 if (appData.debugMode)
14596 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14597 target, currentMove, forwardMostMove);
14599 if (gameMode == EditPosition)
14602 seekGraphUp = FALSE;
14603 MarkTargetSquares(1);
14605 if (gameMode == PlayFromGameFile && !pausing)
14608 if (gameMode == IcsExamining && pausing)
14609 limit = pauseExamForwardMostMove;
14611 limit = forwardMostMove;
14613 if (target > limit) target = limit;
14615 if (target > 0 && moveList[target - 1][0]) {
14616 int fromX, fromY, toX, toY;
14617 toX = moveList[target - 1][2] - AAA;
14618 toY = moveList[target - 1][3] - ONE;
14619 if (moveList[target - 1][1] == '@') {
14620 if (appData.highlightLastMove) {
14621 SetHighlights(-1, -1, toX, toY);
14624 fromX = moveList[target - 1][0] - AAA;
14625 fromY = moveList[target - 1][1] - ONE;
14626 if (target == currentMove + 1) {
14627 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14629 if (appData.highlightLastMove) {
14630 SetHighlights(fromX, fromY, toX, toY);
14634 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14635 gameMode == Training || gameMode == PlayFromGameFile ||
14636 gameMode == AnalyzeFile) {
14637 while (currentMove < target) {
14638 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14639 SendMoveToProgram(currentMove++, &first);
14642 currentMove = target;
14645 if (gameMode == EditGame || gameMode == EndOfGame) {
14646 whiteTimeRemaining = timeRemaining[0][currentMove];
14647 blackTimeRemaining = timeRemaining[1][currentMove];
14649 DisplayBothClocks();
14650 DisplayMove(currentMove - 1);
14651 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14652 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14653 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14654 DisplayComment(currentMove - 1, commentList[currentMove]);
14656 ClearMap(); // [HGM] exclude: invalidate map
14663 if (gameMode == IcsExamining && !pausing) {
14664 SendToICS(ics_prefix);
14665 SendToICS("forward\n");
14667 ForwardInner(currentMove + 1);
14674 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14675 /* to optimze, we temporarily turn off analysis mode while we feed
14676 * the remaining moves to the engine. Otherwise we get analysis output
14679 if (first.analysisSupport) {
14680 SendToProgram("exit\nforce\n", &first);
14681 first.analyzing = FALSE;
14685 if (gameMode == IcsExamining && !pausing) {
14686 SendToICS(ics_prefix);
14687 SendToICS("forward 999999\n");
14689 ForwardInner(forwardMostMove);
14692 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14693 /* we have fed all the moves, so reactivate analysis mode */
14694 SendToProgram("analyze\n", &first);
14695 first.analyzing = TRUE;
14696 /*first.maybeThinking = TRUE;*/
14697 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14702 BackwardInner (int target)
14704 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14706 if (appData.debugMode)
14707 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14708 target, currentMove, forwardMostMove);
14710 if (gameMode == EditPosition) return;
14711 seekGraphUp = FALSE;
14712 MarkTargetSquares(1);
14713 if (currentMove <= backwardMostMove) {
14715 DrawPosition(full_redraw, boards[currentMove]);
14718 if (gameMode == PlayFromGameFile && !pausing)
14721 if (moveList[target][0]) {
14722 int fromX, fromY, toX, toY;
14723 toX = moveList[target][2] - AAA;
14724 toY = moveList[target][3] - ONE;
14725 if (moveList[target][1] == '@') {
14726 if (appData.highlightLastMove) {
14727 SetHighlights(-1, -1, toX, toY);
14730 fromX = moveList[target][0] - AAA;
14731 fromY = moveList[target][1] - ONE;
14732 if (target == currentMove - 1) {
14733 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14735 if (appData.highlightLastMove) {
14736 SetHighlights(fromX, fromY, toX, toY);
14740 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14741 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14742 while (currentMove > target) {
14743 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14744 // null move cannot be undone. Reload program with move history before it.
14746 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14747 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14749 SendBoard(&first, i);
14750 if(second.analyzing) SendBoard(&second, i);
14751 for(currentMove=i; currentMove<target; currentMove++) {
14752 SendMoveToProgram(currentMove, &first);
14753 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14757 SendToBoth("undo\n");
14761 currentMove = target;
14764 if (gameMode == EditGame || gameMode == EndOfGame) {
14765 whiteTimeRemaining = timeRemaining[0][currentMove];
14766 blackTimeRemaining = timeRemaining[1][currentMove];
14768 DisplayBothClocks();
14769 DisplayMove(currentMove - 1);
14770 DrawPosition(full_redraw, boards[currentMove]);
14771 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14772 // [HGM] PV info: routine tests if comment empty
14773 DisplayComment(currentMove - 1, commentList[currentMove]);
14774 ClearMap(); // [HGM] exclude: invalidate map
14780 if (gameMode == IcsExamining && !pausing) {
14781 SendToICS(ics_prefix);
14782 SendToICS("backward\n");
14784 BackwardInner(currentMove - 1);
14791 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14792 /* to optimize, we temporarily turn off analysis mode while we undo
14793 * all the moves. Otherwise we get analysis output after each undo.
14795 if (first.analysisSupport) {
14796 SendToProgram("exit\nforce\n", &first);
14797 first.analyzing = FALSE;
14801 if (gameMode == IcsExamining && !pausing) {
14802 SendToICS(ics_prefix);
14803 SendToICS("backward 999999\n");
14805 BackwardInner(backwardMostMove);
14808 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14809 /* we have fed all the moves, so reactivate analysis mode */
14810 SendToProgram("analyze\n", &first);
14811 first.analyzing = TRUE;
14812 /*first.maybeThinking = TRUE;*/
14813 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14820 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14821 if (to >= forwardMostMove) to = forwardMostMove;
14822 if (to <= backwardMostMove) to = backwardMostMove;
14823 if (to < currentMove) {
14831 RevertEvent (Boolean annotate)
14833 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14836 if (gameMode != IcsExamining) {
14837 DisplayError(_("You are not examining a game"), 0);
14841 DisplayError(_("You can't revert while pausing"), 0);
14844 SendToICS(ics_prefix);
14845 SendToICS("revert\n");
14849 RetractMoveEvent ()
14851 switch (gameMode) {
14852 case MachinePlaysWhite:
14853 case MachinePlaysBlack:
14854 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14855 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14858 if (forwardMostMove < 2) return;
14859 currentMove = forwardMostMove = forwardMostMove - 2;
14860 whiteTimeRemaining = timeRemaining[0][currentMove];
14861 blackTimeRemaining = timeRemaining[1][currentMove];
14862 DisplayBothClocks();
14863 DisplayMove(currentMove - 1);
14864 ClearHighlights();/*!! could figure this out*/
14865 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14866 SendToProgram("remove\n", &first);
14867 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14870 case BeginningOfGame:
14874 case IcsPlayingWhite:
14875 case IcsPlayingBlack:
14876 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14877 SendToICS(ics_prefix);
14878 SendToICS("takeback 2\n");
14880 SendToICS(ics_prefix);
14881 SendToICS("takeback 1\n");
14890 ChessProgramState *cps;
14892 switch (gameMode) {
14893 case MachinePlaysWhite:
14894 if (!WhiteOnMove(forwardMostMove)) {
14895 DisplayError(_("It is your turn"), 0);
14900 case MachinePlaysBlack:
14901 if (WhiteOnMove(forwardMostMove)) {
14902 DisplayError(_("It is your turn"), 0);
14907 case TwoMachinesPlay:
14908 if (WhiteOnMove(forwardMostMove) ==
14909 (first.twoMachinesColor[0] == 'w')) {
14915 case BeginningOfGame:
14919 SendToProgram("?\n", cps);
14923 TruncateGameEvent ()
14926 if (gameMode != EditGame) return;
14933 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14934 if (forwardMostMove > currentMove) {
14935 if (gameInfo.resultDetails != NULL) {
14936 free(gameInfo.resultDetails);
14937 gameInfo.resultDetails = NULL;
14938 gameInfo.result = GameUnfinished;
14940 forwardMostMove = currentMove;
14941 HistorySet(parseList, backwardMostMove, forwardMostMove,
14949 if (appData.noChessProgram) return;
14950 switch (gameMode) {
14951 case MachinePlaysWhite:
14952 if (WhiteOnMove(forwardMostMove)) {
14953 DisplayError(_("Wait until your turn"), 0);
14957 case BeginningOfGame:
14958 case MachinePlaysBlack:
14959 if (!WhiteOnMove(forwardMostMove)) {
14960 DisplayError(_("Wait until your turn"), 0);
14965 DisplayError(_("No hint available"), 0);
14968 SendToProgram("hint\n", &first);
14969 hintRequested = TRUE;
14975 if (appData.noChessProgram) return;
14976 switch (gameMode) {
14977 case MachinePlaysWhite:
14978 if (WhiteOnMove(forwardMostMove)) {
14979 DisplayError(_("Wait until your turn"), 0);
14983 case BeginningOfGame:
14984 case MachinePlaysBlack:
14985 if (!WhiteOnMove(forwardMostMove)) {
14986 DisplayError(_("Wait until your turn"), 0);
14991 EditPositionDone(TRUE);
14993 case TwoMachinesPlay:
14998 SendToProgram("bk\n", &first);
14999 bookOutput[0] = NULLCHAR;
15000 bookRequested = TRUE;
15006 char *tags = PGNTags(&gameInfo);
15007 TagsPopUp(tags, CmailMsg());
15011 /* end button procedures */
15014 PrintPosition (FILE *fp, int move)
15018 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15019 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15020 char c = PieceToChar(boards[move][i][j]);
15021 fputc(c == 'x' ? '.' : c, fp);
15022 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15025 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15026 fprintf(fp, "white to play\n");
15028 fprintf(fp, "black to play\n");
15032 PrintOpponents (FILE *fp)
15034 if (gameInfo.white != NULL) {
15035 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15041 /* Find last component of program's own name, using some heuristics */
15043 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15046 int local = (strcmp(host, "localhost") == 0);
15047 while (!local && (p = strchr(prog, ';')) != NULL) {
15049 while (*p == ' ') p++;
15052 if (*prog == '"' || *prog == '\'') {
15053 q = strchr(prog + 1, *prog);
15055 q = strchr(prog, ' ');
15057 if (q == NULL) q = prog + strlen(prog);
15059 while (p >= prog && *p != '/' && *p != '\\') p--;
15061 if(p == prog && *p == '"') p++;
15063 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15064 memcpy(buf, p, q - p);
15065 buf[q - p] = NULLCHAR;
15073 TimeControlTagValue ()
15076 if (!appData.clockMode) {
15077 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15078 } else if (movesPerSession > 0) {
15079 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15080 } else if (timeIncrement == 0) {
15081 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15083 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15085 return StrSave(buf);
15091 /* This routine is used only for certain modes */
15092 VariantClass v = gameInfo.variant;
15093 ChessMove r = GameUnfinished;
15096 if(keepInfo) return;
15098 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15099 r = gameInfo.result;
15100 p = gameInfo.resultDetails;
15101 gameInfo.resultDetails = NULL;
15103 ClearGameInfo(&gameInfo);
15104 gameInfo.variant = v;
15106 switch (gameMode) {
15107 case MachinePlaysWhite:
15108 gameInfo.event = StrSave( appData.pgnEventHeader );
15109 gameInfo.site = StrSave(HostName());
15110 gameInfo.date = PGNDate();
15111 gameInfo.round = StrSave("-");
15112 gameInfo.white = StrSave(first.tidy);
15113 gameInfo.black = StrSave(UserName());
15114 gameInfo.timeControl = TimeControlTagValue();
15117 case MachinePlaysBlack:
15118 gameInfo.event = StrSave( appData.pgnEventHeader );
15119 gameInfo.site = StrSave(HostName());
15120 gameInfo.date = PGNDate();
15121 gameInfo.round = StrSave("-");
15122 gameInfo.white = StrSave(UserName());
15123 gameInfo.black = StrSave(first.tidy);
15124 gameInfo.timeControl = TimeControlTagValue();
15127 case TwoMachinesPlay:
15128 gameInfo.event = StrSave( appData.pgnEventHeader );
15129 gameInfo.site = StrSave(HostName());
15130 gameInfo.date = PGNDate();
15133 snprintf(buf, MSG_SIZ, "%d", roundNr);
15134 gameInfo.round = StrSave(buf);
15136 gameInfo.round = StrSave("-");
15138 if (first.twoMachinesColor[0] == 'w') {
15139 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15140 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15142 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15143 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15145 gameInfo.timeControl = TimeControlTagValue();
15149 gameInfo.event = StrSave("Edited game");
15150 gameInfo.site = StrSave(HostName());
15151 gameInfo.date = PGNDate();
15152 gameInfo.round = StrSave("-");
15153 gameInfo.white = StrSave("-");
15154 gameInfo.black = StrSave("-");
15155 gameInfo.result = r;
15156 gameInfo.resultDetails = p;
15160 gameInfo.event = StrSave("Edited position");
15161 gameInfo.site = StrSave(HostName());
15162 gameInfo.date = PGNDate();
15163 gameInfo.round = StrSave("-");
15164 gameInfo.white = StrSave("-");
15165 gameInfo.black = StrSave("-");
15168 case IcsPlayingWhite:
15169 case IcsPlayingBlack:
15174 case PlayFromGameFile:
15175 gameInfo.event = StrSave("Game from non-PGN file");
15176 gameInfo.site = StrSave(HostName());
15177 gameInfo.date = PGNDate();
15178 gameInfo.round = StrSave("-");
15179 gameInfo.white = StrSave("?");
15180 gameInfo.black = StrSave("?");
15189 ReplaceComment (int index, char *text)
15195 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15196 pvInfoList[index-1].depth == len &&
15197 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15198 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15199 while (*text == '\n') text++;
15200 len = strlen(text);
15201 while (len > 0 && text[len - 1] == '\n') len--;
15203 if (commentList[index] != NULL)
15204 free(commentList[index]);
15207 commentList[index] = NULL;
15210 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15211 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15212 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15213 commentList[index] = (char *) malloc(len + 2);
15214 strncpy(commentList[index], text, len);
15215 commentList[index][len] = '\n';
15216 commentList[index][len + 1] = NULLCHAR;
15218 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15220 commentList[index] = (char *) malloc(len + 7);
15221 safeStrCpy(commentList[index], "{\n", 3);
15222 safeStrCpy(commentList[index]+2, text, len+1);
15223 commentList[index][len+2] = NULLCHAR;
15224 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15225 strcat(commentList[index], "\n}\n");
15230 CrushCRs (char *text)
15238 if (ch == '\r') continue;
15240 } while (ch != '\0');
15244 AppendComment (int index, char *text, Boolean addBraces)
15245 /* addBraces tells if we should add {} */
15250 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15251 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15254 while (*text == '\n') text++;
15255 len = strlen(text);
15256 while (len > 0 && text[len - 1] == '\n') len--;
15257 text[len] = NULLCHAR;
15259 if (len == 0) return;
15261 if (commentList[index] != NULL) {
15262 Boolean addClosingBrace = addBraces;
15263 old = commentList[index];
15264 oldlen = strlen(old);
15265 while(commentList[index][oldlen-1] == '\n')
15266 commentList[index][--oldlen] = NULLCHAR;
15267 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15268 safeStrCpy(commentList[index], old, oldlen + len + 6);
15270 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15271 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15272 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15273 while (*text == '\n') { text++; len--; }
15274 commentList[index][--oldlen] = NULLCHAR;
15276 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15277 else strcat(commentList[index], "\n");
15278 strcat(commentList[index], text);
15279 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15280 else strcat(commentList[index], "\n");
15282 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15284 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15285 else commentList[index][0] = NULLCHAR;
15286 strcat(commentList[index], text);
15287 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15288 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15293 FindStr (char * text, char * sub_text)
15295 char * result = strstr( text, sub_text );
15297 if( result != NULL ) {
15298 result += strlen( sub_text );
15304 /* [AS] Try to extract PV info from PGN comment */
15305 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15307 GetInfoFromComment (int index, char * text)
15309 char * sep = text, *p;
15311 if( text != NULL && index > 0 ) {
15314 int time = -1, sec = 0, deci;
15315 char * s_eval = FindStr( text, "[%eval " );
15316 char * s_emt = FindStr( text, "[%emt " );
15318 if( s_eval != NULL || s_emt != NULL ) {
15322 if( s_eval != NULL ) {
15323 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15327 if( delim != ']' ) {
15332 if( s_emt != NULL ) {
15337 /* We expect something like: [+|-]nnn.nn/dd */
15340 if(*text != '{') return text; // [HGM] braces: must be normal comment
15342 sep = strchr( text, '/' );
15343 if( sep == NULL || sep < (text+4) ) {
15348 if(p[1] == '(') { // comment starts with PV
15349 p = strchr(p, ')'); // locate end of PV
15350 if(p == NULL || sep < p+5) return text;
15351 // at this point we have something like "{(.*) +0.23/6 ..."
15352 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15353 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15354 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15356 time = -1; sec = -1; deci = -1;
15357 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15358 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15359 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15360 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15364 if( score_lo < 0 || score_lo >= 100 ) {
15368 if(sec >= 0) time = 600*time + 10*sec; else
15369 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15371 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15373 /* [HGM] PV time: now locate end of PV info */
15374 while( *++sep >= '0' && *sep <= '9'); // strip depth
15376 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15378 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15380 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15381 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15392 pvInfoList[index-1].depth = depth;
15393 pvInfoList[index-1].score = score;
15394 pvInfoList[index-1].time = 10*time; // centi-sec
15395 if(*sep == '}') *sep = 0; else *--sep = '{';
15396 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15402 SendToProgram (char *message, ChessProgramState *cps)
15404 int count, outCount, error;
15407 if (cps->pr == NoProc) return;
15410 if (appData.debugMode) {
15413 fprintf(debugFP, "%ld >%-6s: %s",
15414 SubtractTimeMarks(&now, &programStartTime),
15415 cps->which, message);
15417 fprintf(serverFP, "%ld >%-6s: %s",
15418 SubtractTimeMarks(&now, &programStartTime),
15419 cps->which, message), fflush(serverFP);
15422 count = strlen(message);
15423 outCount = OutputToProcess(cps->pr, message, count, &error);
15424 if (outCount < count && !exiting
15425 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15426 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15427 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15428 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15429 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15430 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15431 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15432 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15434 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15435 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15436 gameInfo.result = res;
15438 gameInfo.resultDetails = StrSave(buf);
15440 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15441 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15446 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15450 ChessProgramState *cps = (ChessProgramState *)closure;
15452 if (isr != cps->isr) return; /* Killed intentionally */
15455 RemoveInputSource(cps->isr);
15456 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15457 _(cps->which), cps->program);
15458 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15459 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15460 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15461 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15462 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15463 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15465 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15466 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15467 gameInfo.result = res;
15469 gameInfo.resultDetails = StrSave(buf);
15471 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15472 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15474 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15475 _(cps->which), cps->program);
15476 RemoveInputSource(cps->isr);
15478 /* [AS] Program is misbehaving badly... kill it */
15479 if( count == -2 ) {
15480 DestroyChildProcess( cps->pr, 9 );
15484 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15489 if ((end_str = strchr(message, '\r')) != NULL)
15490 *end_str = NULLCHAR;
15491 if ((end_str = strchr(message, '\n')) != NULL)
15492 *end_str = NULLCHAR;
15494 if (appData.debugMode) {
15495 TimeMark now; int print = 1;
15496 char *quote = ""; char c; int i;
15498 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15499 char start = message[0];
15500 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15501 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15502 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15503 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15504 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15505 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15506 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15507 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15508 sscanf(message, "hint: %c", &c)!=1 &&
15509 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15510 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15511 print = (appData.engineComments >= 2);
15513 message[0] = start; // restore original message
15517 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15518 SubtractTimeMarks(&now, &programStartTime), cps->which,
15522 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15523 SubtractTimeMarks(&now, &programStartTime), cps->which,
15525 message), fflush(serverFP);
15529 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15530 if (appData.icsEngineAnalyze) {
15531 if (strstr(message, "whisper") != NULL ||
15532 strstr(message, "kibitz") != NULL ||
15533 strstr(message, "tellics") != NULL) return;
15536 HandleMachineMove(message, cps);
15541 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15546 if( timeControl_2 > 0 ) {
15547 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15548 tc = timeControl_2;
15551 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15552 inc /= cps->timeOdds;
15553 st /= cps->timeOdds;
15555 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15558 /* Set exact time per move, normally using st command */
15559 if (cps->stKludge) {
15560 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15562 if (seconds == 0) {
15563 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15565 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15568 snprintf(buf, MSG_SIZ, "st %d\n", st);
15571 /* Set conventional or incremental time control, using level command */
15572 if (seconds == 0) {
15573 /* Note old gnuchess bug -- minutes:seconds used to not work.
15574 Fixed in later versions, but still avoid :seconds
15575 when seconds is 0. */
15576 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15578 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15579 seconds, inc/1000.);
15582 SendToProgram(buf, cps);
15584 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15585 /* Orthogonally, limit search to given depth */
15587 if (cps->sdKludge) {
15588 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15590 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15592 SendToProgram(buf, cps);
15595 if(cps->nps >= 0) { /* [HGM] nps */
15596 if(cps->supportsNPS == FALSE)
15597 cps->nps = -1; // don't use if engine explicitly says not supported!
15599 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15600 SendToProgram(buf, cps);
15605 ChessProgramState *
15607 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15609 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15610 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15616 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15618 char message[MSG_SIZ];
15621 /* Note: this routine must be called when the clocks are stopped
15622 or when they have *just* been set or switched; otherwise
15623 it will be off by the time since the current tick started.
15625 if (machineWhite) {
15626 time = whiteTimeRemaining / 10;
15627 otime = blackTimeRemaining / 10;
15629 time = blackTimeRemaining / 10;
15630 otime = whiteTimeRemaining / 10;
15632 /* [HGM] translate opponent's time by time-odds factor */
15633 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15635 if (time <= 0) time = 1;
15636 if (otime <= 0) otime = 1;
15638 snprintf(message, MSG_SIZ, "time %ld\n", time);
15639 SendToProgram(message, cps);
15641 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15642 SendToProgram(message, cps);
15646 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15649 int len = strlen(name);
15652 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15654 sscanf(*p, "%d", &val);
15656 while (**p && **p != ' ')
15658 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15659 SendToProgram(buf, cps);
15666 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15669 int len = strlen(name);
15670 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15672 sscanf(*p, "%d", loc);
15673 while (**p && **p != ' ') (*p)++;
15674 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15675 SendToProgram(buf, cps);
15682 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15685 int len = strlen(name);
15686 if (strncmp((*p), name, len) == 0
15687 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15689 sscanf(*p, "%[^\"]", loc);
15690 while (**p && **p != '\"') (*p)++;
15691 if (**p == '\"') (*p)++;
15692 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15693 SendToProgram(buf, cps);
15700 ParseOption (Option *opt, ChessProgramState *cps)
15701 // [HGM] options: process the string that defines an engine option, and determine
15702 // name, type, default value, and allowed value range
15704 char *p, *q, buf[MSG_SIZ];
15705 int n, min = (-1)<<31, max = 1<<31, def;
15707 if(p = strstr(opt->name, " -spin ")) {
15708 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15709 if(max < min) max = min; // enforce consistency
15710 if(def < min) def = min;
15711 if(def > max) def = max;
15716 } else if((p = strstr(opt->name, " -slider "))) {
15717 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15718 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15719 if(max < min) max = min; // enforce consistency
15720 if(def < min) def = min;
15721 if(def > max) def = max;
15725 opt->type = Spin; // Slider;
15726 } else if((p = strstr(opt->name, " -string "))) {
15727 opt->textValue = p+9;
15728 opt->type = TextBox;
15729 } else if((p = strstr(opt->name, " -file "))) {
15730 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15731 opt->textValue = p+7;
15732 opt->type = FileName; // FileName;
15733 } else if((p = strstr(opt->name, " -path "))) {
15734 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15735 opt->textValue = p+7;
15736 opt->type = PathName; // PathName;
15737 } else if(p = strstr(opt->name, " -check ")) {
15738 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15739 opt->value = (def != 0);
15740 opt->type = CheckBox;
15741 } else if(p = strstr(opt->name, " -combo ")) {
15742 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15743 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15744 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15745 opt->value = n = 0;
15746 while(q = StrStr(q, " /// ")) {
15747 n++; *q = 0; // count choices, and null-terminate each of them
15749 if(*q == '*') { // remember default, which is marked with * prefix
15753 cps->comboList[cps->comboCnt++] = q;
15755 cps->comboList[cps->comboCnt++] = NULL;
15757 opt->type = ComboBox;
15758 } else if(p = strstr(opt->name, " -button")) {
15759 opt->type = Button;
15760 } else if(p = strstr(opt->name, " -save")) {
15761 opt->type = SaveButton;
15762 } else return FALSE;
15763 *p = 0; // terminate option name
15764 // now look if the command-line options define a setting for this engine option.
15765 if(cps->optionSettings && cps->optionSettings[0])
15766 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15767 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15768 snprintf(buf, MSG_SIZ, "option %s", p);
15769 if(p = strstr(buf, ",")) *p = 0;
15770 if(q = strchr(buf, '=')) switch(opt->type) {
15772 for(n=0; n<opt->max; n++)
15773 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15776 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15780 opt->value = atoi(q+1);
15785 SendToProgram(buf, cps);
15791 FeatureDone (ChessProgramState *cps, int val)
15793 DelayedEventCallback cb = GetDelayedEvent();
15794 if ((cb == InitBackEnd3 && cps == &first) ||
15795 (cb == SettingsMenuIfReady && cps == &second) ||
15796 (cb == LoadEngine) ||
15797 (cb == TwoMachinesEventIfReady)) {
15798 CancelDelayedEvent();
15799 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15801 cps->initDone = val;
15804 /* Parse feature command from engine */
15806 ParseFeatures (char *args, ChessProgramState *cps)
15814 while (*p == ' ') p++;
15815 if (*p == NULLCHAR) return;
15817 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15818 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15819 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15820 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15821 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15822 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15823 if (BoolFeature(&p, "reuse", &val, cps)) {
15824 /* Engine can disable reuse, but can't enable it if user said no */
15825 if (!val) cps->reuse = FALSE;
15828 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15829 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15830 if (gameMode == TwoMachinesPlay) {
15831 DisplayTwoMachinesTitle();
15837 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15838 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15839 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15840 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15841 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15842 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15843 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15844 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15845 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15846 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15847 if (IntFeature(&p, "done", &val, cps)) {
15848 FeatureDone(cps, val);
15851 /* Added by Tord: */
15852 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15853 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15854 /* End of additions by Tord */
15856 /* [HGM] added features: */
15857 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15858 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15859 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15860 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15861 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15862 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15863 if (StringFeature(&p, "option", buf, cps)) {
15864 FREE(cps->option[cps->nrOptions].name);
15865 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15866 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15867 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15868 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15869 SendToProgram(buf, cps);
15872 if(cps->nrOptions >= MAX_OPTIONS) {
15874 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15875 DisplayError(buf, 0);
15879 /* End of additions by HGM */
15881 /* unknown feature: complain and skip */
15883 while (*q && *q != '=') q++;
15884 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15885 SendToProgram(buf, cps);
15891 while (*p && *p != '\"') p++;
15892 if (*p == '\"') p++;
15894 while (*p && *p != ' ') p++;
15902 PeriodicUpdatesEvent (int newState)
15904 if (newState == appData.periodicUpdates)
15907 appData.periodicUpdates=newState;
15909 /* Display type changes, so update it now */
15910 // DisplayAnalysis();
15912 /* Get the ball rolling again... */
15914 AnalysisPeriodicEvent(1);
15915 StartAnalysisClock();
15920 PonderNextMoveEvent (int newState)
15922 if (newState == appData.ponderNextMove) return;
15923 if (gameMode == EditPosition) EditPositionDone(TRUE);
15925 SendToProgram("hard\n", &first);
15926 if (gameMode == TwoMachinesPlay) {
15927 SendToProgram("hard\n", &second);
15930 SendToProgram("easy\n", &first);
15931 thinkOutput[0] = NULLCHAR;
15932 if (gameMode == TwoMachinesPlay) {
15933 SendToProgram("easy\n", &second);
15936 appData.ponderNextMove = newState;
15940 NewSettingEvent (int option, int *feature, char *command, int value)
15944 if (gameMode == EditPosition) EditPositionDone(TRUE);
15945 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15946 if(feature == NULL || *feature) SendToProgram(buf, &first);
15947 if (gameMode == TwoMachinesPlay) {
15948 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15953 ShowThinkingEvent ()
15954 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15956 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15957 int newState = appData.showThinking
15958 // [HGM] thinking: other features now need thinking output as well
15959 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15961 if (oldState == newState) return;
15962 oldState = newState;
15963 if (gameMode == EditPosition) EditPositionDone(TRUE);
15965 SendToProgram("post\n", &first);
15966 if (gameMode == TwoMachinesPlay) {
15967 SendToProgram("post\n", &second);
15970 SendToProgram("nopost\n", &first);
15971 thinkOutput[0] = NULLCHAR;
15972 if (gameMode == TwoMachinesPlay) {
15973 SendToProgram("nopost\n", &second);
15976 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15980 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15982 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15983 if (pr == NoProc) return;
15984 AskQuestion(title, question, replyPrefix, pr);
15988 TypeInEvent (char firstChar)
15990 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15991 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15992 gameMode == AnalyzeMode || gameMode == EditGame ||
15993 gameMode == EditPosition || gameMode == IcsExamining ||
15994 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15995 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15996 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15997 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15998 gameMode == Training) PopUpMoveDialog(firstChar);
16002 TypeInDoneEvent (char *move)
16005 int n, fromX, fromY, toX, toY;
16007 ChessMove moveType;
16010 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16011 EditPositionPasteFEN(move);
16014 // [HGM] movenum: allow move number to be typed in any mode
16015 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16019 // undocumented kludge: allow command-line option to be typed in!
16020 // (potentially fatal, and does not implement the effect of the option.)
16021 // should only be used for options that are values on which future decisions will be made,
16022 // and definitely not on options that would be used during initialization.
16023 if(strstr(move, "!!! -") == move) {
16024 ParseArgsFromString(move+4);
16028 if (gameMode != EditGame && currentMove != forwardMostMove &&
16029 gameMode != Training) {
16030 DisplayMoveError(_("Displayed move is not current"));
16032 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16033 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16034 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16035 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16036 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16037 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16039 DisplayMoveError(_("Could not parse move"));
16045 DisplayMove (int moveNumber)
16047 char message[MSG_SIZ];
16049 char cpThinkOutput[MSG_SIZ];
16051 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16053 if (moveNumber == forwardMostMove - 1 ||
16054 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16056 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16058 if (strchr(cpThinkOutput, '\n')) {
16059 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16062 *cpThinkOutput = NULLCHAR;
16065 /* [AS] Hide thinking from human user */
16066 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16067 *cpThinkOutput = NULLCHAR;
16068 if( thinkOutput[0] != NULLCHAR ) {
16071 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16072 cpThinkOutput[i] = '.';
16074 cpThinkOutput[i] = NULLCHAR;
16075 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16079 if (moveNumber == forwardMostMove - 1 &&
16080 gameInfo.resultDetails != NULL) {
16081 if (gameInfo.resultDetails[0] == NULLCHAR) {
16082 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16084 snprintf(res, MSG_SIZ, " {%s} %s",
16085 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16091 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16092 DisplayMessage(res, cpThinkOutput);
16094 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16095 WhiteOnMove(moveNumber) ? " " : ".. ",
16096 parseList[moveNumber], res);
16097 DisplayMessage(message, cpThinkOutput);
16102 DisplayComment (int moveNumber, char *text)
16104 char title[MSG_SIZ];
16106 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16107 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16109 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16110 WhiteOnMove(moveNumber) ? " " : ".. ",
16111 parseList[moveNumber]);
16113 if (text != NULL && (appData.autoDisplayComment || commentUp))
16114 CommentPopUp(title, text);
16117 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16118 * might be busy thinking or pondering. It can be omitted if your
16119 * gnuchess is configured to stop thinking immediately on any user
16120 * input. However, that gnuchess feature depends on the FIONREAD
16121 * ioctl, which does not work properly on some flavors of Unix.
16124 Attention (ChessProgramState *cps)
16127 if (!cps->useSigint) return;
16128 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16129 switch (gameMode) {
16130 case MachinePlaysWhite:
16131 case MachinePlaysBlack:
16132 case TwoMachinesPlay:
16133 case IcsPlayingWhite:
16134 case IcsPlayingBlack:
16137 /* Skip if we know it isn't thinking */
16138 if (!cps->maybeThinking) return;
16139 if (appData.debugMode)
16140 fprintf(debugFP, "Interrupting %s\n", cps->which);
16141 InterruptChildProcess(cps->pr);
16142 cps->maybeThinking = FALSE;
16147 #endif /*ATTENTION*/
16153 if (whiteTimeRemaining <= 0) {
16156 if (appData.icsActive) {
16157 if (appData.autoCallFlag &&
16158 gameMode == IcsPlayingBlack && !blackFlag) {
16159 SendToICS(ics_prefix);
16160 SendToICS("flag\n");
16164 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16166 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16167 if (appData.autoCallFlag) {
16168 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16175 if (blackTimeRemaining <= 0) {
16178 if (appData.icsActive) {
16179 if (appData.autoCallFlag &&
16180 gameMode == IcsPlayingWhite && !whiteFlag) {
16181 SendToICS(ics_prefix);
16182 SendToICS("flag\n");
16186 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16188 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16189 if (appData.autoCallFlag) {
16190 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16201 CheckTimeControl ()
16203 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16204 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16207 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16209 if ( !WhiteOnMove(forwardMostMove) ) {
16210 /* White made time control */
16211 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16212 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16213 /* [HGM] time odds: correct new time quota for time odds! */
16214 / WhitePlayer()->timeOdds;
16215 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16217 lastBlack -= blackTimeRemaining;
16218 /* Black made time control */
16219 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16220 / WhitePlayer()->other->timeOdds;
16221 lastWhite = whiteTimeRemaining;
16226 DisplayBothClocks ()
16228 int wom = gameMode == EditPosition ?
16229 !blackPlaysFirst : WhiteOnMove(currentMove);
16230 DisplayWhiteClock(whiteTimeRemaining, wom);
16231 DisplayBlackClock(blackTimeRemaining, !wom);
16235 /* Timekeeping seems to be a portability nightmare. I think everyone
16236 has ftime(), but I'm really not sure, so I'm including some ifdefs
16237 to use other calls if you don't. Clocks will be less accurate if
16238 you have neither ftime nor gettimeofday.
16241 /* VS 2008 requires the #include outside of the function */
16242 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16243 #include <sys/timeb.h>
16246 /* Get the current time as a TimeMark */
16248 GetTimeMark (TimeMark *tm)
16250 #if HAVE_GETTIMEOFDAY
16252 struct timeval timeVal;
16253 struct timezone timeZone;
16255 gettimeofday(&timeVal, &timeZone);
16256 tm->sec = (long) timeVal.tv_sec;
16257 tm->ms = (int) (timeVal.tv_usec / 1000L);
16259 #else /*!HAVE_GETTIMEOFDAY*/
16262 // include <sys/timeb.h> / moved to just above start of function
16263 struct timeb timeB;
16266 tm->sec = (long) timeB.time;
16267 tm->ms = (int) timeB.millitm;
16269 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16270 tm->sec = (long) time(NULL);
16276 /* Return the difference in milliseconds between two
16277 time marks. We assume the difference will fit in a long!
16280 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16282 return 1000L*(tm2->sec - tm1->sec) +
16283 (long) (tm2->ms - tm1->ms);
16288 * Code to manage the game clocks.
16290 * In tournament play, black starts the clock and then white makes a move.
16291 * We give the human user a slight advantage if he is playing white---the
16292 * clocks don't run until he makes his first move, so it takes zero time.
16293 * Also, we don't account for network lag, so we could get out of sync
16294 * with GNU Chess's clock -- but then, referees are always right.
16297 static TimeMark tickStartTM;
16298 static long intendedTickLength;
16301 NextTickLength (long timeRemaining)
16303 long nominalTickLength, nextTickLength;
16305 if (timeRemaining > 0L && timeRemaining <= 10000L)
16306 nominalTickLength = 100L;
16308 nominalTickLength = 1000L;
16309 nextTickLength = timeRemaining % nominalTickLength;
16310 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16312 return nextTickLength;
16315 /* Adjust clock one minute up or down */
16317 AdjustClock (Boolean which, int dir)
16319 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16320 if(which) blackTimeRemaining += 60000*dir;
16321 else whiteTimeRemaining += 60000*dir;
16322 DisplayBothClocks();
16323 adjustedClock = TRUE;
16326 /* Stop clocks and reset to a fresh time control */
16330 (void) StopClockTimer();
16331 if (appData.icsActive) {
16332 whiteTimeRemaining = blackTimeRemaining = 0;
16333 } else if (searchTime) {
16334 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16335 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16336 } else { /* [HGM] correct new time quote for time odds */
16337 whiteTC = blackTC = fullTimeControlString;
16338 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16339 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16341 if (whiteFlag || blackFlag) {
16343 whiteFlag = blackFlag = FALSE;
16345 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16346 DisplayBothClocks();
16347 adjustedClock = FALSE;
16350 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16352 /* Decrement running clock by amount of time that has passed */
16356 long timeRemaining;
16357 long lastTickLength, fudge;
16360 if (!appData.clockMode) return;
16361 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16365 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16367 /* Fudge if we woke up a little too soon */
16368 fudge = intendedTickLength - lastTickLength;
16369 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16371 if (WhiteOnMove(forwardMostMove)) {
16372 if(whiteNPS >= 0) lastTickLength = 0;
16373 timeRemaining = whiteTimeRemaining -= lastTickLength;
16374 if(timeRemaining < 0 && !appData.icsActive) {
16375 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16376 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16377 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16378 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16381 DisplayWhiteClock(whiteTimeRemaining - fudge,
16382 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16384 if(blackNPS >= 0) lastTickLength = 0;
16385 timeRemaining = blackTimeRemaining -= lastTickLength;
16386 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16387 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16389 blackStartMove = forwardMostMove;
16390 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16393 DisplayBlackClock(blackTimeRemaining - fudge,
16394 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16396 if (CheckFlags()) return;
16398 if(twoBoards) { // count down secondary board's clocks as well
16399 activePartnerTime -= lastTickLength;
16401 if(activePartner == 'W')
16402 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16404 DisplayBlackClock(activePartnerTime, TRUE);
16409 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16410 StartClockTimer(intendedTickLength);
16412 /* if the time remaining has fallen below the alarm threshold, sound the
16413 * alarm. if the alarm has sounded and (due to a takeback or time control
16414 * with increment) the time remaining has increased to a level above the
16415 * threshold, reset the alarm so it can sound again.
16418 if (appData.icsActive && appData.icsAlarm) {
16420 /* make sure we are dealing with the user's clock */
16421 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16422 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16425 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16426 alarmSounded = FALSE;
16427 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16429 alarmSounded = TRUE;
16435 /* A player has just moved, so stop the previously running
16436 clock and (if in clock mode) start the other one.
16437 We redisplay both clocks in case we're in ICS mode, because
16438 ICS gives us an update to both clocks after every move.
16439 Note that this routine is called *after* forwardMostMove
16440 is updated, so the last fractional tick must be subtracted
16441 from the color that is *not* on move now.
16444 SwitchClocks (int newMoveNr)
16446 long lastTickLength;
16448 int flagged = FALSE;
16452 if (StopClockTimer() && appData.clockMode) {
16453 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16454 if (!WhiteOnMove(forwardMostMove)) {
16455 if(blackNPS >= 0) lastTickLength = 0;
16456 blackTimeRemaining -= lastTickLength;
16457 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16458 // if(pvInfoList[forwardMostMove].time == -1)
16459 pvInfoList[forwardMostMove].time = // use GUI time
16460 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16462 if(whiteNPS >= 0) lastTickLength = 0;
16463 whiteTimeRemaining -= lastTickLength;
16464 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16465 // if(pvInfoList[forwardMostMove].time == -1)
16466 pvInfoList[forwardMostMove].time =
16467 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16469 flagged = CheckFlags();
16471 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16472 CheckTimeControl();
16474 if (flagged || !appData.clockMode) return;
16476 switch (gameMode) {
16477 case MachinePlaysBlack:
16478 case MachinePlaysWhite:
16479 case BeginningOfGame:
16480 if (pausing) return;
16484 case PlayFromGameFile:
16492 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16493 if(WhiteOnMove(forwardMostMove))
16494 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16495 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16499 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16500 whiteTimeRemaining : blackTimeRemaining);
16501 StartClockTimer(intendedTickLength);
16505 /* Stop both clocks */
16509 long lastTickLength;
16512 if (!StopClockTimer()) return;
16513 if (!appData.clockMode) return;
16517 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16518 if (WhiteOnMove(forwardMostMove)) {
16519 if(whiteNPS >= 0) lastTickLength = 0;
16520 whiteTimeRemaining -= lastTickLength;
16521 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16523 if(blackNPS >= 0) lastTickLength = 0;
16524 blackTimeRemaining -= lastTickLength;
16525 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16530 /* Start clock of player on move. Time may have been reset, so
16531 if clock is already running, stop and restart it. */
16535 (void) StopClockTimer(); /* in case it was running already */
16536 DisplayBothClocks();
16537 if (CheckFlags()) return;
16539 if (!appData.clockMode) return;
16540 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16542 GetTimeMark(&tickStartTM);
16543 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16544 whiteTimeRemaining : blackTimeRemaining);
16546 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16547 whiteNPS = blackNPS = -1;
16548 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16549 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16550 whiteNPS = first.nps;
16551 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16552 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16553 blackNPS = first.nps;
16554 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16555 whiteNPS = second.nps;
16556 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16557 blackNPS = second.nps;
16558 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16560 StartClockTimer(intendedTickLength);
16564 TimeString (long ms)
16566 long second, minute, hour, day;
16568 static char buf[32];
16570 if (ms > 0 && ms <= 9900) {
16571 /* convert milliseconds to tenths, rounding up */
16572 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16574 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16578 /* convert milliseconds to seconds, rounding up */
16579 /* use floating point to avoid strangeness of integer division
16580 with negative dividends on many machines */
16581 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16588 day = second / (60 * 60 * 24);
16589 second = second % (60 * 60 * 24);
16590 hour = second / (60 * 60);
16591 second = second % (60 * 60);
16592 minute = second / 60;
16593 second = second % 60;
16596 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16597 sign, day, hour, minute, second);
16599 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16601 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16608 * This is necessary because some C libraries aren't ANSI C compliant yet.
16611 StrStr (char *string, char *match)
16615 length = strlen(match);
16617 for (i = strlen(string) - length; i >= 0; i--, string++)
16618 if (!strncmp(match, string, length))
16625 StrCaseStr (char *string, char *match)
16629 length = strlen(match);
16631 for (i = strlen(string) - length; i >= 0; i--, string++) {
16632 for (j = 0; j < length; j++) {
16633 if (ToLower(match[j]) != ToLower(string[j]))
16636 if (j == length) return string;
16644 StrCaseCmp (char *s1, char *s2)
16649 c1 = ToLower(*s1++);
16650 c2 = ToLower(*s2++);
16651 if (c1 > c2) return 1;
16652 if (c1 < c2) return -1;
16653 if (c1 == NULLCHAR) return 0;
16661 return isupper(c) ? tolower(c) : c;
16668 return islower(c) ? toupper(c) : c;
16670 #endif /* !_amigados */
16677 if ((ret = (char *) malloc(strlen(s) + 1)))
16679 safeStrCpy(ret, s, strlen(s)+1);
16685 StrSavePtr (char *s, char **savePtr)
16690 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16691 safeStrCpy(*savePtr, s, strlen(s)+1);
16703 clock = time((time_t *)NULL);
16704 tm = localtime(&clock);
16705 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16706 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16707 return StrSave(buf);
16712 PositionToFEN (int move, char *overrideCastling)
16714 int i, j, fromX, fromY, toX, toY;
16721 whiteToPlay = (gameMode == EditPosition) ?
16722 !blackPlaysFirst : (move % 2 == 0);
16725 /* Piece placement data */
16726 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16727 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16729 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16730 if (boards[move][i][j] == EmptySquare) {
16732 } else { ChessSquare piece = boards[move][i][j];
16733 if (emptycount > 0) {
16734 if(emptycount<10) /* [HGM] can be >= 10 */
16735 *p++ = '0' + emptycount;
16736 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16739 if(PieceToChar(piece) == '+') {
16740 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16742 piece = (ChessSquare)(DEMOTED piece);
16744 *p++ = PieceToChar(piece);
16746 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16747 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16752 if (emptycount > 0) {
16753 if(emptycount<10) /* [HGM] can be >= 10 */
16754 *p++ = '0' + emptycount;
16755 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16762 /* [HGM] print Crazyhouse or Shogi holdings */
16763 if( gameInfo.holdingsWidth ) {
16764 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16766 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16767 piece = boards[move][i][BOARD_WIDTH-1];
16768 if( piece != EmptySquare )
16769 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16770 *p++ = PieceToChar(piece);
16772 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16773 piece = boards[move][BOARD_HEIGHT-i-1][0];
16774 if( piece != EmptySquare )
16775 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16776 *p++ = PieceToChar(piece);
16779 if( q == p ) *p++ = '-';
16785 *p++ = whiteToPlay ? 'w' : 'b';
16788 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16789 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16791 if(nrCastlingRights) {
16793 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16794 /* [HGM] write directly from rights */
16795 if(boards[move][CASTLING][2] != NoRights &&
16796 boards[move][CASTLING][0] != NoRights )
16797 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16798 if(boards[move][CASTLING][2] != NoRights &&
16799 boards[move][CASTLING][1] != NoRights )
16800 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16801 if(boards[move][CASTLING][5] != NoRights &&
16802 boards[move][CASTLING][3] != NoRights )
16803 *p++ = boards[move][CASTLING][3] + AAA;
16804 if(boards[move][CASTLING][5] != NoRights &&
16805 boards[move][CASTLING][4] != NoRights )
16806 *p++ = boards[move][CASTLING][4] + AAA;
16809 /* [HGM] write true castling rights */
16810 if( nrCastlingRights == 6 ) {
16812 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16813 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16814 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16815 boards[move][CASTLING][2] != NoRights );
16816 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16817 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16818 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16819 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16820 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16824 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16825 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16826 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16827 boards[move][CASTLING][5] != NoRights );
16828 if(gameInfo.variant == VariantSChess) {
16829 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16830 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16831 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16832 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16837 if (q == p) *p++ = '-'; /* No castling rights */
16841 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16842 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16843 /* En passant target square */
16844 if (move > backwardMostMove) {
16845 fromX = moveList[move - 1][0] - AAA;
16846 fromY = moveList[move - 1][1] - ONE;
16847 toX = moveList[move - 1][2] - AAA;
16848 toY = moveList[move - 1][3] - ONE;
16849 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16850 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16851 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16853 /* 2-square pawn move just happened */
16855 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16859 } else if(move == backwardMostMove) {
16860 // [HGM] perhaps we should always do it like this, and forget the above?
16861 if((signed char)boards[move][EP_STATUS] >= 0) {
16862 *p++ = boards[move][EP_STATUS] + AAA;
16863 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16874 /* [HGM] find reversible plies */
16875 { int i = 0, j=move;
16877 if (appData.debugMode) { int k;
16878 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16879 for(k=backwardMostMove; k<=forwardMostMove; k++)
16880 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16884 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16885 if( j == backwardMostMove ) i += initialRulePlies;
16886 sprintf(p, "%d ", i);
16887 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16889 /* Fullmove number */
16890 sprintf(p, "%d", (move / 2) + 1);
16892 return StrSave(buf);
16896 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16900 int emptycount, virgin[BOARD_FILES];
16905 /* [HGM] by default clear Crazyhouse holdings, if present */
16906 if(gameInfo.holdingsWidth) {
16907 for(i=0; i<BOARD_HEIGHT; i++) {
16908 board[i][0] = EmptySquare; /* black holdings */
16909 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16910 board[i][1] = (ChessSquare) 0; /* black counts */
16911 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16915 /* Piece placement data */
16916 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16919 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16920 if (*p == '/') p++;
16921 emptycount = gameInfo.boardWidth - j;
16922 while (emptycount--)
16923 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16925 #if(BOARD_FILES >= 10)
16926 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16927 p++; emptycount=10;
16928 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16929 while (emptycount--)
16930 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16932 } else if (isdigit(*p)) {
16933 emptycount = *p++ - '0';
16934 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16935 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16936 while (emptycount--)
16937 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16938 } else if (*p == '+' || isalpha(*p)) {
16939 if (j >= gameInfo.boardWidth) return FALSE;
16941 piece = CharToPiece(*++p);
16942 if(piece == EmptySquare) return FALSE; /* unknown piece */
16943 piece = (ChessSquare) (PROMOTED piece ); p++;
16944 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16945 } else piece = CharToPiece(*p++);
16947 if(piece==EmptySquare) return FALSE; /* unknown piece */
16948 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16949 piece = (ChessSquare) (PROMOTED piece);
16950 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16953 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16959 while (*p == '/' || *p == ' ') p++;
16961 /* [HGM] look for Crazyhouse holdings here */
16962 while(*p==' ') p++;
16963 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16965 if(*p == '-' ) p++; /* empty holdings */ else {
16966 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16967 /* if we would allow FEN reading to set board size, we would */
16968 /* have to add holdings and shift the board read so far here */
16969 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16971 if((int) piece >= (int) BlackPawn ) {
16972 i = (int)piece - (int)BlackPawn;
16973 i = PieceToNumber((ChessSquare)i);
16974 if( i >= gameInfo.holdingsSize ) return FALSE;
16975 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16976 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16978 i = (int)piece - (int)WhitePawn;
16979 i = PieceToNumber((ChessSquare)i);
16980 if( i >= gameInfo.holdingsSize ) return FALSE;
16981 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16982 board[i][BOARD_WIDTH-2]++; /* black holdings */
16989 while(*p == ' ') p++;
16993 if(appData.colorNickNames) {
16994 if( c == appData.colorNickNames[0] ) c = 'w'; else
16995 if( c == appData.colorNickNames[1] ) c = 'b';
16999 *blackPlaysFirst = FALSE;
17002 *blackPlaysFirst = TRUE;
17008 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17009 /* return the extra info in global variiables */
17011 /* set defaults in case FEN is incomplete */
17012 board[EP_STATUS] = EP_UNKNOWN;
17013 for(i=0; i<nrCastlingRights; i++ ) {
17014 board[CASTLING][i] =
17015 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17016 } /* assume possible unless obviously impossible */
17017 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17018 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17019 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17020 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17021 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17022 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17023 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17024 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17027 while(*p==' ') p++;
17028 if(nrCastlingRights) {
17029 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17030 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17031 /* castling indicator present, so default becomes no castlings */
17032 for(i=0; i<nrCastlingRights; i++ ) {
17033 board[CASTLING][i] = NoRights;
17036 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17037 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17038 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17039 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17040 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17042 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17043 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17044 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17046 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17047 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17048 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17049 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17050 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17051 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17054 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17055 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17056 board[CASTLING][2] = whiteKingFile;
17057 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17058 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17061 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17062 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17063 board[CASTLING][2] = whiteKingFile;
17064 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17065 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17068 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17069 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17070 board[CASTLING][5] = blackKingFile;
17071 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17072 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17075 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17076 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17077 board[CASTLING][5] = blackKingFile;
17078 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17079 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17082 default: /* FRC castlings */
17083 if(c >= 'a') { /* black rights */
17084 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17085 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17086 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17087 if(i == BOARD_RGHT) break;
17088 board[CASTLING][5] = i;
17090 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17091 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17093 board[CASTLING][3] = c;
17095 board[CASTLING][4] = c;
17096 } else { /* white rights */
17097 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17098 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17099 if(board[0][i] == WhiteKing) break;
17100 if(i == BOARD_RGHT) break;
17101 board[CASTLING][2] = i;
17102 c -= AAA - 'a' + 'A';
17103 if(board[0][c] >= WhiteKing) break;
17105 board[CASTLING][0] = c;
17107 board[CASTLING][1] = c;
17111 for(i=0; i<nrCastlingRights; i++)
17112 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17113 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17114 if (appData.debugMode) {
17115 fprintf(debugFP, "FEN castling rights:");
17116 for(i=0; i<nrCastlingRights; i++)
17117 fprintf(debugFP, " %d", board[CASTLING][i]);
17118 fprintf(debugFP, "\n");
17121 while(*p==' ') p++;
17124 /* read e.p. field in games that know e.p. capture */
17125 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17126 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17128 p++; board[EP_STATUS] = EP_NONE;
17130 char c = *p++ - AAA;
17132 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17133 if(*p >= '0' && *p <='9') p++;
17134 board[EP_STATUS] = c;
17139 if(sscanf(p, "%d", &i) == 1) {
17140 FENrulePlies = i; /* 50-move ply counter */
17141 /* (The move number is still ignored) */
17148 EditPositionPasteFEN (char *fen)
17151 Board initial_position;
17153 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17154 DisplayError(_("Bad FEN position in clipboard"), 0);
17157 int savedBlackPlaysFirst = blackPlaysFirst;
17158 EditPositionEvent();
17159 blackPlaysFirst = savedBlackPlaysFirst;
17160 CopyBoard(boards[0], initial_position);
17161 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17162 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17163 DisplayBothClocks();
17164 DrawPosition(FALSE, boards[currentMove]);
17169 static char cseq[12] = "\\ ";
17172 set_cont_sequence (char *new_seq)
17177 // handle bad attempts to set the sequence
17179 return 0; // acceptable error - no debug
17181 len = strlen(new_seq);
17182 ret = (len > 0) && (len < sizeof(cseq));
17184 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17185 else if (appData.debugMode)
17186 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17191 reformat a source message so words don't cross the width boundary. internal
17192 newlines are not removed. returns the wrapped size (no null character unless
17193 included in source message). If dest is NULL, only calculate the size required
17194 for the dest buffer. lp argument indicats line position upon entry, and it's
17195 passed back upon exit.
17198 wrap (char *dest, char *src, int count, int width, int *lp)
17200 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17202 cseq_len = strlen(cseq);
17203 old_line = line = *lp;
17204 ansi = len = clen = 0;
17206 for (i=0; i < count; i++)
17208 if (src[i] == '\033')
17211 // if we hit the width, back up
17212 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17214 // store i & len in case the word is too long
17215 old_i = i, old_len = len;
17217 // find the end of the last word
17218 while (i && src[i] != ' ' && src[i] != '\n')
17224 // word too long? restore i & len before splitting it
17225 if ((old_i-i+clen) >= width)
17232 if (i && src[i-1] == ' ')
17235 if (src[i] != ' ' && src[i] != '\n')
17242 // now append the newline and continuation sequence
17247 strncpy(dest+len, cseq, cseq_len);
17255 dest[len] = src[i];
17259 if (src[i] == '\n')
17264 if (dest && appData.debugMode)
17266 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17267 count, width, line, len, *lp);
17268 show_bytes(debugFP, src, count);
17269 fprintf(debugFP, "\ndest: ");
17270 show_bytes(debugFP, dest, len);
17271 fprintf(debugFP, "\n");
17273 *lp = dest ? line : old_line;
17278 // [HGM] vari: routines for shelving variations
17279 Boolean modeRestore = FALSE;
17282 PushInner (int firstMove, int lastMove)
17284 int i, j, nrMoves = lastMove - firstMove;
17286 // push current tail of game on stack
17287 savedResult[storedGames] = gameInfo.result;
17288 savedDetails[storedGames] = gameInfo.resultDetails;
17289 gameInfo.resultDetails = NULL;
17290 savedFirst[storedGames] = firstMove;
17291 savedLast [storedGames] = lastMove;
17292 savedFramePtr[storedGames] = framePtr;
17293 framePtr -= nrMoves; // reserve space for the boards
17294 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17295 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17296 for(j=0; j<MOVE_LEN; j++)
17297 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17298 for(j=0; j<2*MOVE_LEN; j++)
17299 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17300 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17301 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17302 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17303 pvInfoList[firstMove+i-1].depth = 0;
17304 commentList[framePtr+i] = commentList[firstMove+i];
17305 commentList[firstMove+i] = NULL;
17309 forwardMostMove = firstMove; // truncate game so we can start variation
17313 PushTail (int firstMove, int lastMove)
17315 if(appData.icsActive) { // only in local mode
17316 forwardMostMove = currentMove; // mimic old ICS behavior
17319 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17321 PushInner(firstMove, lastMove);
17322 if(storedGames == 1) GreyRevert(FALSE);
17323 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17327 PopInner (Boolean annotate)
17330 char buf[8000], moveBuf[20];
17332 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17333 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17334 nrMoves = savedLast[storedGames] - currentMove;
17337 if(!WhiteOnMove(currentMove))
17338 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17339 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17340 for(i=currentMove; i<forwardMostMove; i++) {
17342 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17343 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17344 strcat(buf, moveBuf);
17345 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17346 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17350 for(i=1; i<=nrMoves; i++) { // copy last variation back
17351 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17352 for(j=0; j<MOVE_LEN; j++)
17353 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17354 for(j=0; j<2*MOVE_LEN; j++)
17355 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17356 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17357 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17358 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17359 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17360 commentList[currentMove+i] = commentList[framePtr+i];
17361 commentList[framePtr+i] = NULL;
17363 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17364 framePtr = savedFramePtr[storedGames];
17365 gameInfo.result = savedResult[storedGames];
17366 if(gameInfo.resultDetails != NULL) {
17367 free(gameInfo.resultDetails);
17369 gameInfo.resultDetails = savedDetails[storedGames];
17370 forwardMostMove = currentMove + nrMoves;
17374 PopTail (Boolean annotate)
17376 if(appData.icsActive) return FALSE; // only in local mode
17377 if(!storedGames) return FALSE; // sanity
17378 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17380 PopInner(annotate);
17381 if(currentMove < forwardMostMove) ForwardEvent(); else
17382 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17384 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17390 { // remove all shelved variations
17392 for(i=0; i<storedGames; i++) {
17393 if(savedDetails[i])
17394 free(savedDetails[i]);
17395 savedDetails[i] = NULL;
17397 for(i=framePtr; i<MAX_MOVES; i++) {
17398 if(commentList[i]) free(commentList[i]);
17399 commentList[i] = NULL;
17401 framePtr = MAX_MOVES-1;
17406 LoadVariation (int index, char *text)
17407 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17408 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17409 int level = 0, move;
17411 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17412 // first find outermost bracketing variation
17413 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17414 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17415 if(*p == '{') wait = '}'; else
17416 if(*p == '[') wait = ']'; else
17417 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17418 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17420 if(*p == wait) wait = NULLCHAR; // closing ]} found
17423 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17424 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17425 end[1] = NULLCHAR; // clip off comment beyond variation
17426 ToNrEvent(currentMove-1);
17427 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17428 // kludge: use ParsePV() to append variation to game
17429 move = currentMove;
17430 ParsePV(start, TRUE, TRUE);
17431 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17432 ClearPremoveHighlights();
17434 ToNrEvent(currentMove+1);